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# Conflicts:
#	imgui.cpp
This commit is contained in:
omar 2018-07-08 13:08:16 +02:00
commit 6277781e83
80 changed files with 2706 additions and 2541 deletions
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14
CHANGELOG.txt
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@ -33,16 +33,29 @@ HOW TO UPDATE?
VERSION 1.63 WIP (IN PROGRESS) VERSION 1.63 WIP (IN PROGRESS)
----------------------------------------------------------------------- -----------------------------------------------------------------------
Breaking Changes:
- Removed per-window ImGuiWindowFlags_ResizeFromAnySide beta flag in favor `io.OptResizeWindowsFromEdges=true` to enable the feature globally. (#1495)
The feature is not currently enabled by default because it is not satisfying enough.
Other Changes: Other Changes:
- ArrowButton: Fixed to honor PushButtonRepeat() setting (and internals' ImGuiItemFlags_ButtonRepeat). - ArrowButton: Fixed to honor PushButtonRepeat() setting (and internals' ImGuiItemFlags_ButtonRepeat).
- ArrowButton: Setup current line text baseline so that ArrowButton() + SameLine() + Text() are aligned properly. - ArrowButton: Setup current line text baseline so that ArrowButton() + SameLine() + Text() are aligned properly.
- Window: Allow menu windows from ignoring the style.WindowMinSize values so short menus are not padded. (#1909) - Window: Allow menu windows from ignoring the style.WindowMinSize values so short menus are not padded. (#1909)
- Window: Added global io.OptResizeWindowsFromEdges option to enable resizing windows from their edges and from the lower-left corner. (#1495)
- Drag and Drop: Fixed an incorrect assert when dropping a source that is submitted after the target (bug introduced with 1.62 changes
related to the addition of IsItemDeactivated()). (#1875, #143)
- Misc: Added ImGuiMouseCursor_Hand cursor enum + corresponding software cursor. (#1913, 1914) [@aiekick, @ocornut] - Misc: Added ImGuiMouseCursor_Hand cursor enum + corresponding software cursor. (#1913, 1914) [@aiekick, @ocornut]
- Misc: Tweaked software mouse cursor offset to match the offset of the corresponding Windows 10 cursors. - Misc: Tweaked software mouse cursor offset to match the offset of the corresponding Windows 10 cursors.
- Fixed a include build issue for Cygwin in non-POSIX (Win32) mode. (#1917, #1319, #276) - Fixed a include build issue for Cygwin in non-POSIX (Win32) mode. (#1917, #1319, #276)
- Examples: Metal: Added Metal rendering backend. (#1929, #1873) [@warrenm]
- Examples: OSX: Added early raw OSX platform backend. (#1873) [@pagghiu, @itamago, @ocornut]
- Examples: Added mac OSX & iOS + Metal example in example_apple_metal/. (#1929, #1873) [@warrenm]
- Examples: Added mac OSX + OpenGL2 example in example_apple_opengl2/. (#1873)
- Examples: Win32, Glfw, SDL: Added support for the ImGuiMouseCursor_Hand cursor. - Examples: Win32, Glfw, SDL: Added support for the ImGuiMouseCursor_Hand cursor.
----------------------------------------------------------------------- -----------------------------------------------------------------------
VERSION 1.62 (Released 2018-06-22) VERSION 1.62 (Released 2018-06-22)
----------------------------------------------------------------------- -----------------------------------------------------------------------
@ -92,6 +105,7 @@ Other Changes:
- SliderFloat(): When using keyboard/gamepad and a zero precision format string (e.g. "%.0f"), always step in integer units. (#1866) - SliderFloat(): When using keyboard/gamepad and a zero precision format string (e.g. "%.0f"), always step in integer units. (#1866)
- ImFontConfig: Added GlyphMinAdvanceX/GlyphMaxAdvanceX settings useful to make a font appears monospaced, particularly useful for icon fonts. (#1869) - ImFontConfig: Added GlyphMinAdvanceX/GlyphMaxAdvanceX settings useful to make a font appears monospaced, particularly useful for icon fonts. (#1869)
- ImFontAtlas: Added GetGlyphRangesChineseSimplifiedCommon() helper that returns a list of ~2500 most common Simplified Chinese characters. (#1859) [@JX-Master, @ocornut] - ImFontAtlas: Added GetGlyphRangesChineseSimplifiedCommon() helper that returns a list of ~2500 most common Simplified Chinese characters. (#1859) [@JX-Master, @ocornut]
- Examples: OSX: Added imgui_impl_osx.mm binding to be used along with e.g. imgui_impl_opengl2.cpp. (#281, #1870) [@pagghiu, @itamago, @ocornut]
- Examples: GLFW: Made it possible to Shutdown/Init the backend again (by reseting the time storage properly). (#1827) [@ice1000] - Examples: GLFW: Made it possible to Shutdown/Init the backend again (by reseting the time storage properly). (#1827) [@ice1000]
- Examples: Win32: Fixed handling of mouse wheel messages to support sub-unit scrolling messages (typically sent by track-pads). (#1874) [@zx64] - Examples: Win32: Fixed handling of mouse wheel messages to support sub-unit scrolling messages (typically sent by track-pads). (#1874) [@zx64]
- Examples: SDL+Vulkan: Added SDL+Vulkan example. - Examples: SDL+Vulkan: Added SDL+Vulkan example.

12
README.md
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@ -108,7 +108,7 @@ Integrating Dear ImGui within your custom engine is a matter of 1) wiring mouse/
_NB: those third-party bindings may be more or less maintained, more or less close to the original API (as people who create language bindings sometimes haven't used the C++ API themselves.. for the good reason that they aren't C++ users). Dear ImGui was designed with C++ in mind and some of the subtleties may be lost in translation with other languages. If your language supports it, I would suggest replicating the function overloading and default parameters used in the original, else the API may be harder to use. In doubt, please check the original C++ version first!_ _NB: those third-party bindings may be more or less maintained, more or less close to the original API (as people who create language bindings sometimes haven't used the C++ API themselves.. for the good reason that they aren't C++ users). Dear ImGui was designed with C++ in mind and some of the subtleties may be lost in translation with other languages. If your language supports it, I would suggest replicating the function overloading and default parameters used in the original, else the API may be harder to use. In doubt, please check the original C++ version first!_
Languages: (third-party bindings) Languages: (third-party bindings)
- C: [cimgui](https://github.com/Extrawurst/cimgui) and [#1879](https://github.com/ocornut/imgui/issues/1879) - C: [cimgui](https://github.com/Extrawurst/cimgui) or [sonoro1234's cimgui](https://github.com/sonoro1234/cimgui) (more recent update), also see [#1879](https://github.com/ocornut/imgui/issues/1879)
- C#/.Net: [ImGui.NET](https://github.com/mellinoe/ImGui.NET) - C#/.Net: [ImGui.NET](https://github.com/mellinoe/ImGui.NET)
- ChaiScript: [imgui-chaiscript](https://github.com/JuJuBoSc/imgui-chaiscript) - ChaiScript: [imgui-chaiscript](https://github.com/JuJuBoSc/imgui-chaiscript)
- D: [DerelictImgui](https://github.com/Extrawurst/DerelictImgui) - D: [DerelictImgui](https://github.com/Extrawurst/DerelictImgui)
@ -125,10 +125,9 @@ Languages: (third-party bindings)
- Swift [swift-imgui](https://github.com/mnmly/Swift-imgui) - Swift [swift-imgui](https://github.com/mnmly/Swift-imgui)
Frameworks: Frameworks:
- Renderers: DirectX 9, DirectX 10, DirectX 11, DirectX 12, OpenGL2, OpenGL3+, Vulkan: [examples/](https://github.com/ocornut/imgui/tree/master/examples) - Renderers: DirectX 9, DirectX 10, DirectX 11, DirectX 12, Metal, OpenGL2, OpenGL3+, Vulkan: [examples/](https://github.com/ocornut/imgui/tree/master/examples)
- Platform: GLFW, SDL, Win32, Freeglut: [examples/](https://github.com/ocornut/imgui/tree/master/examples) - Platform: GLFW, SDL, Win32, OSX, Freeglut: [examples/](https://github.com/ocornut/imgui/tree/master/examples)
- Framework: Allegro 5, Marmalade: [examples/](https://github.com/ocornut/imgui/tree/master/examples) - Framework: Allegro 5, Marmalade: [examples/](https://github.com/ocornut/imgui/tree/master/examples)
- Unmerged Branch: OSX platform without GLFW/SDL: [#1873](https://github.com/ocornut/imgui/tree/osx)
- Unmerged PR: SDL2 + OpenGLES + Emscripten: [#336](https://github.com/ocornut/imgui/pull/336) - Unmerged PR: SDL2 + OpenGLES + Emscripten: [#336](https://github.com/ocornut/imgui/pull/336)
- Unmerged PR: Native Win32 and OSX: [#281](https://github.com/ocornut/imgui/pull/281) - Unmerged PR: Native Win32 and OSX: [#281](https://github.com/ocornut/imgui/pull/281)
- Unmerged PR: Android: [#421](https://github.com/ocornut/imgui/pull/421) - Unmerged PR: Android: [#421](https://github.com/ocornut/imgui/pull/421)
@ -170,6 +169,7 @@ User screenshots:
<br>[Gallery Part 4](https://github.com/ocornut/imgui/issues/973) (Jan 2017 to Aug 2017) <br>[Gallery Part 4](https://github.com/ocornut/imgui/issues/973) (Jan 2017 to Aug 2017)
<br>[Gallery Part 5](https://github.com/ocornut/imgui/issues/1269) (Aug 2017 to Feb 2018) <br>[Gallery Part 5](https://github.com/ocornut/imgui/issues/1269) (Aug 2017 to Feb 2018)
<br>[Gallery Part 6](https://github.com/ocornut/imgui/issues/1607) (Feb 2018 onward) <br>[Gallery Part 6](https://github.com/ocornut/imgui/issues/1607) (Feb 2018 onward)
<br>[Gallery Part 6](https://github.com/ocornut/imgui/issues/1902) (June 2018 onward)
<br>Also see the [Mega screenshots](https://github.com/ocornut/imgui/issues/1273) for an idea of the available features. <br>Also see the [Mega screenshots](https://github.com/ocornut/imgui/issues/1273) for an idea of the available features.
Various tools Various tools
@ -316,10 +316,10 @@ Double-chocolate sponsors:
- DotEmu - DotEmu
Salty caramel supporters: Salty caramel supporters:
- Jetha Chan, Wild Sheep Studio, Pastagames, Mārtiņš Možeiko, Daniel Collin, Recognition Robotics, Chris Genova, ikrima, Glenn Fiedler, Geoffrey Evans, Dakko Dakko, Mercury Labs, Singularity Demo Group, Mischa Alff, Sebastien Ronsse, Lionel Landwerlin, Nikolay Ivanov, Ron Gilbert, Brandon Townsend, Nikhil Deshpande, Cort Stratton, drudru. - Jetha Chan, Wild Sheep Studio, Pastagames, Mārtiņš Možeiko, Daniel Collin, Recognition Robotics, Chris Genova, ikrima, Glenn Fiedler, Geoffrey Evans, Dakko Dakko, Mercury Labs, Singularity Demo Group, Mischa Alff, Sebastien Ronsse, Lionel Landwerlin, Nikolay Ivanov, Ron Gilbert, Brandon Townsend, Nikhil Deshpande, Cort Stratton, drudru, Harfang 3D, Supercell.
Caramel supporters: Caramel supporters:
- Michel Courtine, César Leblic, Dale Kim, Alex Evans, Rui Figueira, Paul Patrashcu, Jerome Lanquetot, Ctrl Alt Ninja, Paul Fleming, Neil Henning, Stephan Dilly, Neil Blakey-Milner, Aleksei, NeiloGD, Justin Paver, FiniteSol, Vincent Pancaldi, James Billot, Robin Hübner, furrtek, Eric, Simon Barratt, Game Atelier, Julian Bosch, Simon Lundmark, Vincent Hamm, Farhan Wali, Jeff Roberts, Matt Reyer, Colin Riley, Victor Martins, Josh Simmons, Garrett Hoofman, Sergio Gonzales, Andrew Berridge, Roy Eltham, Game Preservation Society, Kit framework, Josh Faust, Martin Donlon, Quinton, Felix, Andrew Belt, Codecat, Cort Stratton, Claudio Canepa, Doug McNabb, Emmanuel Julien, Guillaume Chereau, Jeffrey Slutter, Jeremiah Deckard, r-lyeh, Roger Clark, Nekith, Joshua Fisher, Malte Hoffmann, Mustafa Karaalioglu, Merlyn Morgan-Graham, Per Vognsen, Fabian Giesen, Jan Staubach, Matt Hargett, John Shearer, Jesse Chounard, kingcoopa, Miloš Tošić, Jonas Bernemann, Johan Andersson, Nathan Hartman, Michael Labbe, Tomasz Golebiowski, Louis Schnellbach, Felipe Alfonso, Jimmy Andrews, Bojan Endrovski, Robin Berg Pettersen, Rachel Crawford, Edsel Malasig, Andrew Johnson, Sean Hunter, Jordan Mellow, Nefarius Software Solutions, Laura Wieme, Robert Nix, Mick Honey. - Michel Courtine, César Leblic, Dale Kim, Alex Evans, Rui Figueira, Paul Patrashcu, Jerome Lanquetot, Ctrl Alt Ninja, Paul Fleming, Neil Henning, Stephan Dilly, Neil Blakey-Milner, Aleksei, NeiloGD, Justin Paver, FiniteSol, Vincent Pancaldi, James Billot, Robin Hübner, furrtek, Eric, Simon Barratt, Game Atelier, Julian Bosch, Simon Lundmark, Vincent Hamm, Farhan Wali, Jeff Roberts, Matt Reyer, Colin Riley, Victor Martins, Josh Simmons, Garrett Hoofman, Sergio Gonzales, Andrew Berridge, Roy Eltham, Game Preservation Society, Kit framework, Josh Faust, Martin Donlon, Quinton, Felix, Andrew Belt, Codecat, Cort Stratton, Claudio Canepa, Doug McNabb, Emmanuel Julien, Guillaume Chereau, Jeffrey Slutter, Jeremiah Deckard, r-lyeh, Roger Clark, Nekith, Joshua Fisher, Malte Hoffmann, Mustafa Karaalioglu, Merlyn Morgan-Graham, Per Vognsen, Fabian Giesen, Jan Staubach, Matt Hargett, John Shearer, Jesse Chounard, kingcoopa, Miloš Tošić, Jonas Bernemann, Johan Andersson, Nathan Hartman, Michael Labbe, Tomasz Golebiowski, Louis Schnellbach, Felipe Alfonso, Jimmy Andrews, Bojan Endrovski, Robin Berg Pettersen, Rachel Crawford, Edsel Malasig, Andrew Johnson, Sean Hunter, Jordan Mellow, Nefarius Software Solutions, Laura Wieme, Robert Nix, Mick Honey, Astrofra, Jonas Lehmann, Steven Kah Hien Wong, Bartosz Bielecki.
And other supporters; thanks! And other supporters; thanks!
(Please contact me or PR if you would like to be added or removed from this list) (Please contact me or PR if you would like to be added or removed from this list)

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examples/.gitignore vendored
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@ -21,6 +21,10 @@ build/*
project.xcworkspace project.xcworkspace
xcuserdata xcuserdata
## Emscripten output
*.out.js
*.out.wasm
## Unix executables ## Unix executables
example_glfw_opengl2/example_glfw_opengl2 example_glfw_opengl2/example_glfw_opengl2
example_glfw_opengl3/example_glfw_opengl3 example_glfw_opengl3/example_glfw_opengl3

24
examples/README.txt
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@ -101,11 +101,13 @@ Most the example bindings are split in 2 parts:
from improvements and fixes related to viewports and platform windows without extra work on your side. from improvements and fixes related to viewports and platform windows without extra work on your side.
See 'ImGuiPlatformIO' for details. See 'ImGuiPlatformIO' for details.
List of Platforms Bindings in this repository: List of Platforms Bindings in this repository:
imgui_impl_glfw.cpp ; GLFW (Windows, macOS, Linux, etc.) http://www.glfw.org/ imgui_impl_glfw.cpp ; GLFW (Windows, macOS, Linux, etc.) http://www.glfw.org/
imgui_impl_osx.mm ; macOS native API
imgui_impl_sdl.cpp ; SDL2 (Windows, macOS, Linux, iOS, Android) https://www.libsdl.org imgui_impl_sdl.cpp ; SDL2 (Windows, macOS, Linux, iOS, Android) https://www.libsdl.org
imgui_impl_win32.cpp ; Windows native API (Windows) imgui_impl_win32.cpp ; Win32 native API (Windows)
imgui_impl_freeglut.cpp ; FreeGLUT (if you really miss the 90's) imgui_impl_freeglut.cpp ; FreeGLUT (if you really miss the 90's)
List of Renderer Bindings in this repository: List of Renderer Bindings in this repository:
@ -114,6 +116,7 @@ List of Renderer Bindings in this repository:
imgui_impl_dx10.cpp ; DirectX10 imgui_impl_dx10.cpp ; DirectX10
imgui_impl_dx11.cpp ; DirectX11 imgui_impl_dx11.cpp ; DirectX11
imgui_impl_dx12.cpp ; DirectX12 imgui_impl_dx12.cpp ; DirectX12
imgui_impl_metal.mm ; Metal (with ObjC)
imgui_impl_opengl2.cpp ; OpenGL2 (legacy, fixed pipeline <- don't use with modern OpenGL context) imgui_impl_opengl2.cpp ; OpenGL2 (legacy, fixed pipeline <- don't use with modern OpenGL context)
imgui_impl_opengl3.cpp ; OpenGL3 (modern programmable pipeline) imgui_impl_opengl3.cpp ; OpenGL3 (modern programmable pipeline)
imgui_impl_vulkan.cpp ; Vulkan imgui_impl_vulkan.cpp ; Vulkan
@ -144,6 +147,7 @@ Building:
- Makefiles for Linux/OSX - Makefiles for Linux/OSX
- Batch files for Visual Studio 2008+ - Batch files for Visual Studio 2008+
- A .sln project file for Visual Studio 2010+ - A .sln project file for Visual Studio 2010+
- Xcode project files for the Apple examples
Please let me know if they don't work with your setup! Please let me know if they don't work with your setup!
You can probably just import the imgui_impl_xxx.cpp/.h files into your own codebase or compile those You can probably just import the imgui_impl_xxx.cpp/.h files into your own codebase or compile those
directly with a command-line compiler. directly with a command-line compiler.
@ -166,6 +170,17 @@ example_win32_directx12/
This is quite long and tedious, because: DirectX12. This is quite long and tedious, because: DirectX12.
= main.cpp + imgui_impl_win32.cpp + imgui_impl_dx12.cpp = main.cpp + imgui_impl_win32.cpp + imgui_impl_dx12.cpp
example_apple_metal/
OSX & iOS + Metal.
It is based on the "cross-platform" game template provided with Xcode as of Xcode 9.
(NB: you may still want to use GLFW or SDL which will also support Windows, Linux along with OSX.)
= game template + imgui_impl_osx.mm + imgui_impl_metal.mm
example_apple_opengl2/
OSX + OpenGL2.
(NB: you may still want to use GLFW or SDL which will also support Windows, Linux along with OSX.)
= main.mm + imgui_impl_osx.mm + imgui_impl_opengl2.cpp
example_glfw_opengl2/ example_glfw_opengl2/
**DO NOT USE OPENGL2 CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** **DO NOT USE OPENGL2 CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)**
**Prefer using OPENGL3 code (with gl3w/glew/glad, you can replace the OpenGL function loader)** **Prefer using OPENGL3 code (with gl3w/glew/glad, you can replace the OpenGL function loader)**
@ -208,13 +223,6 @@ example_sdl_vulkan/
This is quite long and tedious, because: Vulkan. This is quite long and tedious, because: Vulkan.
= main.cpp + imgui_impl_sdl.cpp + imgui_impl_vulkan.cpp = main.cpp + imgui_impl_sdl.cpp + imgui_impl_vulkan.cpp
example_apple/
OSX & iOS example + OpenGL2.
THIS EXAMPLE HAS NOT BEEN MAINTAINED PROPERLY AND NEEDS A MAINTAINER.
Consider using the example_glfw_opengl3/ instead.
On iOS, Using Synergy to access keyboard/mouse data from server computer.
Synergy keyboard integration is rather hacky.
example_allegro5/ example_allegro5/
Allegro 5 example. Allegro 5 example.
= main.cpp + imgui_impl_allegro5.cpp = main.cpp + imgui_impl_allegro5.cpp

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examples/example_apple/.gitignore vendored
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@ -1,3 +0,0 @@
.DS_Store
imguiex.xcodeproj/project.xcworkspace/
imguiex.xcodeproj/xcuserdata/

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examples/example_apple/README.md
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@ -1,43 +0,0 @@
# iOS / OSX example
## Introduction
THIS EXAMPLE HAS NOT BEEN MAINTAINED PROPERLY AND NEEDS A MAINTAINER.
This example is the default XCode "OpenGL" example code, modified to support ImGui and [Synergy](http://synergy-project.org/) to share mouse/keyboard on an iOS device.
It is a rather complex and messy example because of all of the faff required to get an XCode/iOS application running. Refer to the regular OpenGL examples if you want to learn about integrating ImGui. **The code in example_glfw_opengl3/ should also work on OS X and is much simpler.** This is an integration for iOS with Synergy.
Synergy (remote keyboard/mouse) is not required, but it's pretty hard to use ImGui without it. Synergy includes a "uSynergy" library that allows embedding a synergy client, this is what is used here. ImGui supports "TouchPadding", and this is enabled when Synergy is not active.
## How to Use on iOS
* In Synergy, go to Preferences, and uncheck "Use SSL encryption"
* Run the example app.
* Tap the "servername" button in the corner
* Enter the name or the IP of your synergy host
* If you had previously connected to a server, you may need to kill and re-start the app.
## How to Build on OSX
* Make sure you have install `brew`, if not, please refer to [Homebrew Website](http://brew.sh)
* Run the command: `brew install glfw3`
* Double click `imguiex.xcodeproj` and select `imguiex-osx` scheme
* Click `Run` button
## Notes and TODOs
Things that would be nice but I didn't get around to doing:
* iOS software keyboard not supported for text inputs
* iOS hardware (bluetooth) keyboards not supported
* Graceful disconnect/reconnect from uSynergy.
* Copy/Paste not well-supported
## C++ on iOS / OSX
ImGui is a c++ library. If you want to include it directly, rename your Obj-C file to have the ".mm" extension.
Alternatively, you can wrap your debug code in a C interface, this is what I am demonstrating here with the "debug_hud.h" interface. Either approach works, use whatever you prefer.
In my case, most of my game code is already in C++ so it's not really an issue and I can use ImGui directly.

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examples/example_apple/imguiex-ios/AppDelegate.h
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@ -1,13 +0,0 @@
//
// AppDelegate.h
// imguiex
#import <UIKit/UIKit.h>
@interface AppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@end

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examples/example_apple/imguiex-ios/AppDelegate.m
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@ -1,41 +0,0 @@
//
// AppDelegate.m
// imguiex
#import "AppDelegate.h"
@interface AppDelegate ()
@end
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
return YES;
}
- (void)applicationWillResignActive:(UIApplication *)application {
// Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
// Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game.
}
- (void)applicationDidEnterBackground:(UIApplication *)application {
// Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later.
// If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits.
}
- (void)applicationWillEnterForeground:(UIApplication *)application {
// Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background.
}
- (void)applicationDidBecomeActive:(UIApplication *)application {
// Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
}
- (void)applicationWillTerminate:(UIApplication *)application {
// Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:.
}
@end

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examples/example_apple/imguiex-ios/Base.lproj/LaunchScreen.xib
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@ -1,32 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="3.0" toolsVersion="7706" systemVersion="14D136" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES">
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7703"/>
<capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
</dependencies>
<objects>
<placeholder placeholderIdentifier="IBFilesOwner" id="-1" userLabel="File's Owner"/>
<placeholder placeholderIdentifier="IBFirstResponder" id="-2" customClass="UIResponder"/>
<view contentMode="scaleToFill" id="iN0-l3-epB">
<rect key="frame" x="0.0" y="0.0" width="480" height="480"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<subviews>
<label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="imguiex" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="kId-c2-rCX">
<rect key="frame" x="20" y="140" width="441" height="43"/>
<fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
<color key="textColor" cocoaTouchSystemColor="darkTextColor"/>
<nil key="highlightedColor"/>
</label>
</subviews>
<color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
<constraints>
<constraint firstItem="kId-c2-rCX" firstAttribute="centerY" secondItem="iN0-l3-epB" secondAttribute="bottom" multiplier="1/3" constant="1" id="5cJ-9S-tgC"/>
<constraint firstAttribute="centerX" secondItem="kId-c2-rCX" secondAttribute="centerX" id="Koa-jz-hwk"/>
<constraint firstItem="kId-c2-rCX" firstAttribute="leading" secondItem="iN0-l3-epB" secondAttribute="leading" constant="20" symbolic="YES" id="fvb-Df-36g"/>
</constraints>
<nil key="simulatedStatusBarMetrics"/>
<freeformSimulatedSizeMetrics key="simulatedDestinationMetrics"/>
<point key="canvasLocation" x="548" y="455"/>
</view>
</objects>
</document>

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examples/example_apple/imguiex-ios/Base.lproj/Main.storyboard
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@ -1,44 +0,0 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="7706" systemVersion="14D136" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" initialViewController="BV1-FR-VrT">
<dependencies>
<plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7703"/>
<capability name="Constraints to layout margins" minToolsVersion="6.0"/>
</dependencies>
<scenes>
<!--Game View Controller-->
<scene sceneID="tXr-a1-R10">
<objects>
<viewController id="BV1-FR-VrT" customClass="GameViewController" sceneMemberID="viewController">
<layoutGuides>
<viewControllerLayoutGuide type="top" id="8aa-yV-Osq"/>
<viewControllerLayoutGuide type="bottom" id="qHh-Mt-9TT"/>
</layoutGuides>
<view key="view" contentMode="scaleToFill" id="3se-qz-xqx" customClass="GLKView">
<rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
<autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
<subviews>
<button opaque="NO" contentMode="scaleToFill" misplaced="YES" contentHorizontalAlignment="left" contentVerticalAlignment="center" buttonType="roundedRect" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="piS-r7-VWh">
<rect key="frame" x="16" y="550" width="136" height="30"/>
<state key="normal" title="servername">
<color key="titleShadowColor" white="0.5" alpha="1" colorSpace="calibratedWhite"/>
</state>
<connections>
<action selector="onServernameTapped:" destination="BV1-FR-VrT" eventType="touchUpInside" id="9sO-yv-0be"/>
</connections>
</button>
</subviews>
<color key="backgroundColor" white="0.0" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
<constraints>
<constraint firstItem="qHh-Mt-9TT" firstAttribute="top" secondItem="piS-r7-VWh" secondAttribute="bottom" constant="20" id="JxW-fj-qni"/>
<constraint firstItem="piS-r7-VWh" firstAttribute="leading" secondItem="3se-qz-xqx" secondAttribute="leadingMargin" constant="20" id="w5q-gx-tJj"/>
</constraints>
</view>
<connections>
<outlet property="btnServername" destination="piS-r7-VWh" id="9iV-ef-l6M"/>
</connections>
</viewController>
<placeholder placeholderIdentifier="IBFirstResponder" id="SZV-WD-TEh" sceneMemberID="firstResponder"/>
</objects>
</scene>
</scenes>
</document>

12
examples/example_apple/imguiex-ios/GameViewController.h
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@ -1,12 +0,0 @@
//
// GameViewController.h
// imguiex
// This is the OpenGL Example template from XCode, modified to support ImGui
#import <UIKit/UIKit.h>
#import <GLKit/GLKit.h>
@interface GameViewController : GLKViewController
@end

472
examples/example_apple/imguiex-ios/GameViewController.m
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@ -1,472 +0,0 @@
//
// GameViewController.m
// imguiex
//
#import "GameViewController.h"
#import <OpenGLES/ES2/glext.h>
#import "imgui_impl_ios.h"
#import "debug_hud.h"
#define BUFFER_OFFSET(i) ((char *)NULL + (i))
#define SERVERNAME_KEY @"ServerName"
#define SERVERNAME_ALERT_TAG 10
// Uniform index.
enum
{
UNIFORM_MODELVIEWPROJECTION_MATRIX,
UNIFORM_NORMAL_MATRIX,
UNIFORM_DIFFUSE_COLOR,
UNIFORM_COUNT_
};
static GLint uniforms[UNIFORM_COUNT_];
// Attribute index.
enum
{
ATTRIB_VERTEX,
ATTRIB_NORMAL,
ATTRIB_COUNT_
};
static const GLfloat gCubeVertexData[216] =
{
// Data layout for each line below is:
// pos x/y/z, normal x/y/z,
0.5f, -0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
0.5f, -0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
0.5f, 0.5f, -0.5f, 1.0f, 0.0f, 0.0f,
0.5f, 0.5f, 0.5f, 1.0f, 0.0f, 0.0f,
0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, -0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, 0.5f, 0.0f, 1.0f, 0.0f,
-0.5f, 0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, 0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, -0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, 0.5f, -1.0f, 0.0f, 0.0f,
-0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
-0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
-0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
0.5f, -0.5f, -0.5f, 0.0f, -1.0f, 0.0f,
0.5f, -0.5f, 0.5f, 0.0f, -1.0f, 0.0f,
0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
-0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
-0.5f, 0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
-0.5f, -0.5f, 0.5f, 0.0f, 0.0f, 1.0f,
0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
-0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
-0.5f, -0.5f, -0.5f, 0.0f, 0.0f, -1.0f,
-0.5f, 0.5f, -0.5f, 0.0f, 0.0f, -1.0f
};
@interface GameViewController () <UIAlertViewDelegate>
{
GLuint _program;
GLKMatrix4 _modelViewProjectionMatrix;
GLKMatrix3 _normalMatrix;
float _rotation;
GLuint _vertexArray;
GLuint _vertexBuffer;
DebugHUD _hud;
}
@property (strong, nonatomic) EAGLContext* context;
@property (strong, nonatomic) GLKBaseEffect* effect;
@property (strong, nonatomic) ImGuiHelper* imgui;
@property (weak, nonatomic) IBOutlet UIButton* btnServername;
@property (strong, nonatomic) NSString* serverName;
- (IBAction)onServernameTapped:(id)sender;
- (void)setupGL;
- (void)tearDownGL;
- (BOOL)loadShaders;
- (BOOL)compileShader:(GLuint*)shader type:(GLenum)type file:(NSString*)file;
- (BOOL)linkProgram:(GLuint)prog;
- (BOOL)validateProgram:(GLuint)prog;
@end
@implementation GameViewController
- (void)viewDidLoad
{
[super viewDidLoad];
self.context = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
if (!self.context)
NSLog(@"Failed to create ES context");
GLKView *view = (GLKView *)self.view;
view.context = self.context;
view.drawableDepthFormat = GLKViewDrawableDepthFormat24;
[self.btnServername setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[self setupGL];
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
self.serverName = [userDefaults objectForKey: SERVERNAME_KEY ];
self.imgui = [[ImGuiHelper alloc] initWithView:self.view ];
if (self.serverName)
{
[self.btnServername setTitle:self.serverName forState:UIControlStateNormal];
[self.imgui connectServer: self.serverName ];
}
DebugHUD_InitDefaults(&_hud);
}
- (void)dealloc
{
[self tearDownGL];
if ([EAGLContext currentContext] == self.context)
[EAGLContext setCurrentContext:nil];
}
- (void)didReceiveMemoryWarning
{
[super didReceiveMemoryWarning];
if ([self isViewLoaded] && ([[self view] window] == nil))
{
self.view = nil;
[self tearDownGL];
if ([EAGLContext currentContext] == self.context)
[EAGLContext setCurrentContext:nil];
self.context = nil;
}
// Dispose of any resources that can be recreated.
}
- (BOOL)prefersStatusBarHidden
{
return YES;
}
- (IBAction)onServernameTapped:(id)sender
{
UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Set Server" message:@"Enter server name or IP for uSynergy" delegate:self cancelButtonTitle:@"OK" otherButtonTitles:@"Cancel", nil ];
alert.alertViewStyle = UIAlertViewStylePlainTextInput;
alert.tag = SERVERNAME_ALERT_TAG; // cheezy way to tell which alert view we're responding to
[alert show];
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
if ((buttonIndex==0) && (alertView.tag == SERVERNAME_ALERT_TAG))
{
// This is really janky. I usually just hardcode the servername since I'm building it anyway.
// If you want to properly handle updating the server, you'll want to tear down and recreate
// the usynergy stuff in connectServer
BOOL serverNameWasSet = self.serverName.length > 0;
NSString *serverName = [[alertView textFieldAtIndex:0] text];
if ([serverName length] > 0)
{
self.serverName = serverName;
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
[userDefaults setObject:serverName forKey:SERVERNAME_KEY ];
[userDefaults synchronize];
[self.btnServername setTitle:self.serverName forState:UIControlStateNormal];
// If we hadn't previously connected, try now
if (!serverNameWasSet)
{
[self.imgui connectServer:self.serverName];
}
else
{
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Servername Updated"
message:@"Restart the app to connect the server"
delegate:nil cancelButtonTitle:@"OK" otherButtonTitles: nil];
[alert show];
}
}
}
}
- (void)setupGL
{
[EAGLContext setCurrentContext:self.context];
[self loadShaders];
self.effect = [[GLKBaseEffect alloc] init];
self.effect.light0.enabled = GL_TRUE;
self.effect.light0.diffuseColor = GLKVector4Make(1.0f, 0.4f, 0.4f, 1.0f);
glEnable(GL_DEPTH_TEST);
glGenVertexArraysOES(1, &_vertexArray);
glBindVertexArrayOES(_vertexArray);
glGenBuffers(1, &_vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, _vertexBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(gCubeVertexData), gCubeVertexData, GL_STATIC_DRAW);
glEnableVertexAttribArray(GLKVertexAttribPosition);
glVertexAttribPointer(GLKVertexAttribPosition, 3, GL_FLOAT, GL_FALSE, 24, BUFFER_OFFSET(0));
glEnableVertexAttribArray(GLKVertexAttribNormal);
glVertexAttribPointer(GLKVertexAttribNormal, 3, GL_FLOAT, GL_FALSE, 24, BUFFER_OFFSET(12));
glBindVertexArrayOES(0);
}
- (void)tearDownGL
{
[EAGLContext setCurrentContext:self.context];
glDeleteBuffers(1, &_vertexBuffer);
glDeleteVertexArraysOES(1, &_vertexArray);
self.effect = nil;
if (_program)
{
glDeleteProgram(_program);
_program = 0;
}
}
#pragma mark - GLKView and GLKViewController delegate methods
- (void)update
{
float aspect = fabs(self.view.bounds.size.width / self.view.bounds.size.height);
GLKMatrix4 projectionMatrix = GLKMatrix4MakePerspective(GLKMathDegreesToRadians(65.0f), aspect, 0.1f, 100.0f);
self.effect.transform.projectionMatrix = projectionMatrix;
GLKMatrix4 baseModelViewMatrix = GLKMatrix4MakeTranslation(0.0f, 0.0f, -4.0f);
baseModelViewMatrix = GLKMatrix4Rotate(baseModelViewMatrix, _rotation, 0.0f, 1.0f, 0.0f);
// Compute the model view matrix for the object rendered with GLKit
GLKMatrix4 modelViewMatrix = GLKMatrix4MakeTranslation(0.0f, 0.0f, -1.5f);
modelViewMatrix = GLKMatrix4Rotate(modelViewMatrix, _rotation, 1.0f, 1.0f, 1.0f);
modelViewMatrix = GLKMatrix4Multiply(baseModelViewMatrix, modelViewMatrix);
self.effect.transform.modelviewMatrix = modelViewMatrix;
// Compute the model view matrix for the object rendered with ES2
modelViewMatrix = GLKMatrix4MakeTranslation(0.0f, 0.0f, 1.5f);
modelViewMatrix = GLKMatrix4Rotate(modelViewMatrix, _rotation, 1.0f, 1.0f, 1.0f);
modelViewMatrix = GLKMatrix4Multiply(baseModelViewMatrix, modelViewMatrix);
_normalMatrix = GLKMatrix3InvertAndTranspose(GLKMatrix4GetMatrix3(modelViewMatrix), NULL);
_modelViewProjectionMatrix = GLKMatrix4Multiply(projectionMatrix, modelViewMatrix);
_rotation += self.timeSinceLastUpdate * (_hud.rotation_speed * (M_PI / 180.0));
}
- (void)glkView:(GLKView *)view drawInRect:(CGRect)rect
{
// Start the dear imgui frame
[self.imgui newFrame];
// Create some UI elements
DebugHUD_DoInterface( &_hud );
// Render
glClearColor(0.65f, 0.65f, 0.65f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glBindVertexArrayOES(_vertexArray);
// Render the object with GLKit
[self.effect prepareToDraw];
glDrawArrays(GL_TRIANGLES, 0, 36);
// Render the object again with ES2
glUseProgram(_program);
glUniformMatrix4fv(uniforms[UNIFORM_MODELVIEWPROJECTION_MATRIX], 1, 0, _modelViewProjectionMatrix.m);
glUniformMatrix3fv(uniforms[UNIFORM_NORMAL_MATRIX], 1, 0, _normalMatrix.m);
glUniform3f(uniforms[UNIFORM_DIFFUSE_COLOR], _hud.cubeColor1[0], _hud.cubeColor1[1], _hud.cubeColor1[2] );
glDrawArrays(GL_TRIANGLES, 0, 36);
self.effect.light0.diffuseColor = GLKVector4Make( _hud.cubeColor2[0], _hud.cubeColor2[1], _hud.cubeColor2[2], 1.0f);
// Render dear imgui as the last thing in the frame if possible
[self.imgui render];
}
#pragma mark - OpenGL ES 2 shader compilation
- (BOOL)loadShaders
{
GLuint vertShader, fragShader;
NSString *vertShaderPathname, *fragShaderPathname;
// Create shader program.
_program = glCreateProgram();
// Create and compile vertex shader.
vertShaderPathname = [[NSBundle mainBundle] pathForResource:@"Shader" ofType:@"vsh"];
if (![self compileShader:&vertShader type:GL_VERTEX_SHADER file:vertShaderPathname]) {
NSLog(@"Failed to compile vertex shader");
return NO;
}
// Create and compile fragment shader.
fragShaderPathname = [[NSBundle mainBundle] pathForResource:@"Shader" ofType:@"fsh"];
if (![self compileShader:&fragShader type:GL_FRAGMENT_SHADER file:fragShaderPathname]) {
NSLog(@"Failed to compile fragment shader");
return NO;
}
// Attach vertex shader to program.
glAttachShader(_program, vertShader);
// Attach fragment shader to program.
glAttachShader(_program, fragShader);
// Bind attribute locations.
// This needs to be done prior to linking.
glBindAttribLocation(_program, GLKVertexAttribPosition, "position");
glBindAttribLocation(_program, GLKVertexAttribNormal, "normal");
// Link program.
if (![self linkProgram:_program])
{
NSLog(@"Failed to link program: %d", _program);
if (vertShader) {
glDeleteShader(vertShader);
vertShader = 0;
}
if (fragShader) {
glDeleteShader(fragShader);
fragShader = 0;
}
if (_program) {
glDeleteProgram(_program);
_program = 0;
}
return NO;
}
// Get uniform locations.
uniforms[UNIFORM_MODELVIEWPROJECTION_MATRIX] = glGetUniformLocation(_program, "modelViewProjectionMatrix");
uniforms[UNIFORM_NORMAL_MATRIX] = glGetUniformLocation(_program, "normalMatrix");
uniforms[UNIFORM_DIFFUSE_COLOR] = glGetUniformLocation(_program, "diffuseColor");
// Release vertex and fragment shaders.
if (vertShader)
{
glDetachShader(_program, vertShader);
glDeleteShader(vertShader);
}
if (fragShader)
{
glDetachShader(_program, fragShader);
glDeleteShader(fragShader);
}
return YES;
}
- (BOOL)compileShader:(GLuint *)shader type:(GLenum)type file:(NSString *)file
{
GLint status;
const GLchar *source;
source = (GLchar *)[[NSString stringWithContentsOfFile:file encoding:NSUTF8StringEncoding error:nil] UTF8String];
if (!source)
{
NSLog(@"Failed to load vertex shader");
return NO;
}
*shader = glCreateShader(type);
glShaderSource(*shader, 1, &source, NULL);
glCompileShader(*shader);
#if defined(DEBUG)
GLint logLength;
glGetShaderiv(*shader, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength);
glGetShaderInfoLog(*shader, logLength, &logLength, log);
NSLog(@"Shader compile log:\n%s", log);
free(log);
}
#endif
glGetShaderiv(*shader, GL_COMPILE_STATUS, &status);
if (status == 0)
{
glDeleteShader(*shader);
return NO;
}
return YES;
}
- (BOOL)linkProgram:(GLuint)prog
{
GLint status;
glLinkProgram(prog);
#if defined(DEBUG)
GLint logLength;
glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0)
{
GLchar *log = (GLchar *)malloc(logLength);
glGetProgramInfoLog(prog, logLength, &logLength, log);
NSLog(@"Program link log:\n%s", log);
free(log);
}
#endif
glGetProgramiv(prog, GL_LINK_STATUS, &status);
if (status == 0)
return NO;
return YES;
}
- (BOOL)validateProgram:(GLuint)prog
{
GLint logLength, status;
glValidateProgram(prog);
glGetProgramiv(prog, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength);
glGetProgramInfoLog(prog, logLength, &logLength, log);
NSLog(@"Program validate log:\n%s", log);
free(log);
}
glGetProgramiv(prog, GL_VALIDATE_STATUS, &status);
if (status == 0)
return NO;
return YES;
}
@end

77
examples/example_apple/imguiex-ios/Images.xcassets/AppIcon.appiconset/Contents.json
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@ -1,77 +0,0 @@
{
"images" : [
{
"idiom" : "iphone",
"size" : "29x29",
"scale" : "2x"
},
{
"idiom" : "iphone",
"size" : "29x29",
"scale" : "3x"
},
{
"idiom" : "iphone",
"size" : "40x40",
"scale" : "2x"
},
{
"idiom" : "iphone",
"size" : "40x40",
"scale" : "3x"
},
{
"size" : "60x60",
"idiom" : "iphone",
"filename" : "icon_imgui_60@2x~iphone.png",
"scale" : "2x"
},
{
"size" : "60x60",
"idiom" : "iphone",
"filename" : "icon_imgui_60@3x~iphone.png",
"scale" : "3x"
},
{
"idiom" : "ipad",
"size" : "29x29",
"scale" : "1x"
},
{
"idiom" : "ipad",
"size" : "29x29",
"scale" : "2x"
},
{
"idiom" : "ipad",
"size" : "40x40",
"scale" : "1x"
},
{
"idiom" : "ipad",
"size" : "40x40",
"scale" : "2x"
},
{
"size" : "76x76",
"idiom" : "ipad",
"filename" : "icon_imgui_76~ipad.png",
"scale" : "1x"
},
{
"size" : "76x76",
"idiom" : "ipad",
"filename" : "icon_imgui_76@2x~ipad.png",
"scale" : "2x"
},
{
"idiom" : "ipad",
"size" : "83.5x83.5",
"scale" : "2x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

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10
examples/example_apple/imguiex-ios/Shaders/Shader.fsh
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//
// Shader.fsh
// imguiex
varying lowp vec4 colorVarying;
void main()
{
gl_FragColor = colorVarying;
}

25
examples/example_apple/imguiex-ios/Shaders/Shader.vsh
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//
// Shader.vsh
// imguiex
attribute vec4 position;
attribute vec3 normal;
varying lowp vec4 colorVarying;
uniform vec3 diffuseColor;
uniform mat4 modelViewProjectionMatrix;
uniform mat3 normalMatrix;
void main()
{
vec3 eyeNormal = normalize(normalMatrix * normal);
vec3 lightPosition = vec3(0.0, 0.0, 1.0);
float nDotVP = max(0.0, dot(eyeNormal, normalize(lightPosition)));
vec3 colorLit = diffuseColor * nDotVP;
colorVarying = vec4( colorLit.x, colorLit.y, colorLit.z, 1.0 );
gl_Position = modelViewProjectionMatrix * position;
}

73
examples/example_apple/imguiex-ios/debug_hud.cpp
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//
// debug_hud.cpp
// imguiex
#include <stdio.h>
#include "debug_hud.h"
#include "imgui.h"
void DebugHUD_InitDefaults( DebugHUD *hud )
{
hud->show_demo_window = true;
hud->show_another_window = true;
hud->rotation_speed = 15.0f;
hud->cubeColor1[0] = 0.4f;
hud->cubeColor1[1] = 0.4f;
hud->cubeColor1[2] = 1.0f;
hud->cubeColor1[3] = 1.0f;
hud->cubeColor2[0] = 1.0f;
hud->cubeColor2[1] = 0.4f;
hud->cubeColor2[2] = 0.4f;
hud->cubeColor2[3] = 1.0f;
hud->clearColor[0] = 0.45f;
hud->clearColor[1] = 0.55f;
hud->clearColor[2] = 0.60f;
hud->clearColor[3] = 1.00f;
}
void DebugHUD_DoInterface(DebugHUD *hud)
{
// 1. Show a simple window.
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug".
{
static float f = 0.0f;
static int counter = 0;
ImGui::Text("Hello, world!"); // Display some text (you can use a format string too)
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
ImGui::ColorEdit3("clear color", hud->clearColor); // Edit 3 floats representing a color
ImGui::Checkbox("Demo Window", &hud->show_demo_window); // Edit bools storing our windows open/close state
ImGui::Checkbox("Another Window", &hud->show_another_window);
if (ImGui::Button("Button")) // Buttons return true when clicked (NB: most widgets return true when edited/activated)
counter++;
ImGui::SameLine();
ImGui::Text("counter = %d", counter);
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
}
// 2. Show another simple window. In most cases you will use an explicit Begin/End pair to name your windows.
if (hud->show_another_window)
{
ImGui::Begin("Another Window", &hud->show_another_window);
ImGui::Text("Hello from another window!");
ImGui::ColorEdit3("Cube 1 Color", hud->cubeColor1);
ImGui::ColorEdit3("Cube 2 Color", hud->cubeColor2);
ImGui::SliderFloat("Rotation Speed", &hud->rotation_speed, 0.0f, 200.0f);
if (ImGui::Button("Close Me"))
hud->show_another_window = false;
ImGui::End();
}
// 3. Show the ImGui demo window. Most of the sample code is in ImGui::ShowDemoWindow(). Read its code to learn more about Dear ImGui!
if (hud->show_demo_window)
{
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver); // Normally user code doesn't need/want to call this because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
ImGui::ShowDemoWindow(&hud->show_demo_window);
}
}

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examples/example_apple/imguiex-ios/debug_hud.h
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//
// debug_hud.h
// imguiex
#pragma once
typedef struct DebugHUD
{
bool show_demo_window;
bool show_another_window;
float rotation_speed;
float cubeColor1[4];
float cubeColor2[4];
float clearColor[4];
} DebugHUD;
#if __cplusplus
extern "C" {
#endif
void DebugHUD_InitDefaults(DebugHUD *hud);
void DebugHUD_DoInterface(DebugHUD *hud);
#if __cplusplus
}
#endif

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examples/example_apple/imguiex-ios/imgui_ex_icon.png
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examples/example_apple/imguiex-ios/imgui_impl_ios.h
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// ImGui iOS+OpenGL+Synergy binding
// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
// Providing a standalone iOS application with Synergy integration makes this sample more verbose than others. It also hasn't been tested as much.
// Refer to other examples to get an easier understanding of how to integrate ImGui into your existing application.
// by Joel Davis (joeld42@gmail.com)
#pragma once
#include <Foundation/Foundation.h>
#include <UIKit/UIKit.h>
@interface ImGuiHelper : NSObject
- (id) initWithView: (UIView *)view;
- (void)connectServer: (NSString*)serverName;
- (void)render;
- (void)newFrame;
@end

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examples/example_apple/imguiex-ios/imgui_impl_ios.mm
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// ImGui iOS+OpenGL+Synergy binding
// In this binding, ImTextureID is used to store an OpenGL 'GLuint' texture identifier. Read the FAQ about ImTextureID in imgui.cpp.
// Providing a standalone iOS application with Synergy integration makes this sample more verbose than others. It also hasn't been tested as much.
// Refer to other examples to get an easier understanding of how to integrate ImGui into your existing application.
// TODO:
// - Clipboard is not supported.
#import <OpenGLES/ES3/gl.h>
#import <OpenGLES/ES3/glext.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#include "imgui_impl_ios.h"
#include "imgui.h"
#include "uSynergy.h"
// From Carbon HIToolbox/Events.h
// FIXME: Keyboard mapping is hacked in because Synergy doesn't give us character but only keycode which aren't really portable if you consider keyboard locale. See https://github.com/ocornut/imgui/pull/247
enum {
kVK_ANSI_A = 0x00,
kVK_ANSI_S = 0x01,
kVK_ANSI_D = 0x02,
kVK_ANSI_F = 0x03,
kVK_ANSI_H = 0x04,
kVK_ANSI_G = 0x05,
kVK_ANSI_Z = 0x06,
kVK_ANSI_X = 0x07,
kVK_ANSI_C = 0x08,
kVK_ANSI_V = 0x09,
kVK_ANSI_B = 0x0B,
kVK_ANSI_Q = 0x0C,
kVK_ANSI_W = 0x0D,
kVK_ANSI_E = 0x0E,
kVK_ANSI_R = 0x0F,
kVK_ANSI_Y = 0x10,
kVK_ANSI_T = 0x11,
kVK_ANSI_1 = 0x12,
kVK_ANSI_2 = 0x13,
kVK_ANSI_3 = 0x14,
kVK_ANSI_4 = 0x15,
kVK_ANSI_6 = 0x16,
kVK_ANSI_5 = 0x17,
kVK_ANSI_Equal = 0x18,
kVK_ANSI_9 = 0x19,
kVK_ANSI_7 = 0x1A,
kVK_ANSI_Minus = 0x1B,
kVK_ANSI_8 = 0x1C,
kVK_ANSI_0 = 0x1D,
kVK_ANSI_RightBracket = 0x1E,
kVK_ANSI_O = 0x1F,
kVK_ANSI_U = 0x20,
kVK_ANSI_LeftBracket = 0x21,
kVK_ANSI_I = 0x22,
kVK_ANSI_P = 0x23,
kVK_ANSI_L = 0x25,
kVK_ANSI_J = 0x26,
kVK_ANSI_Quote = 0x27,
kVK_ANSI_K = 0x28,
kVK_ANSI_Semicolon = 0x29,
kVK_ANSI_Backslash = 0x2A,
kVK_ANSI_Comma = 0x2B,
kVK_ANSI_Slash = 0x2C,
kVK_ANSI_N = 0x2D,
kVK_ANSI_M = 0x2E,
kVK_ANSI_Period = 0x2F,
kVK_ANSI_Grave = 0x32,
kVK_ANSI_KeypadDecimal = 0x41,
kVK_ANSI_KeypadMultiply = 0x43,
kVK_ANSI_KeypadPlus = 0x45,
kVK_ANSI_KeypadClear = 0x47,
kVK_ANSI_KeypadDivide = 0x4B,
kVK_ANSI_KeypadEnter = 0x4C,
kVK_ANSI_KeypadMinus = 0x4E,
kVK_ANSI_KeypadEquals = 0x51,
kVK_ANSI_Keypad0 = 0x52,
kVK_ANSI_Keypad1 = 0x53,
kVK_ANSI_Keypad2 = 0x54,
kVK_ANSI_Keypad3 = 0x55,
kVK_ANSI_Keypad4 = 0x56,
kVK_ANSI_Keypad5 = 0x57,
kVK_ANSI_Keypad6 = 0x58,
kVK_ANSI_Keypad7 = 0x59,
kVK_ANSI_Keypad8 = 0x5B,
kVK_ANSI_Keypad9 = 0x5C
};
/* keycodes for keys that are independent of keyboard layout*/
enum {
kVK_Return = 0x24,
kVK_Tab = 0x30,
kVK_Space = 0x31,
kVK_Delete = 0x33,
kVK_Escape = 0x35,
kVK_Command = 0x37,
kVK_Shift = 0x38,
kVK_CapsLock = 0x39,
kVK_Option = 0x3A,
kVK_Control = 0x3B,
kVK_RightShift = 0x3C,
kVK_RightOption = 0x3D,
kVK_RightControl = 0x3E,
kVK_Function = 0x3F,
kVK_F17 = 0x40,
kVK_VolumeUp = 0x48,
kVK_VolumeDown = 0x49,
kVK_Mute = 0x4A,
kVK_F18 = 0x4F,
kVK_F19 = 0x50,
kVK_F20 = 0x5A,
kVK_F5 = 0x60,
kVK_F6 = 0x61,
kVK_F7 = 0x62,
kVK_F3 = 0x63,
kVK_F8 = 0x64,
kVK_F9 = 0x65,
kVK_F11 = 0x67,
kVK_F13 = 0x69,
kVK_F16 = 0x6A,
kVK_F14 = 0x6B,
kVK_F10 = 0x6D,
kVK_F12 = 0x6F,
kVK_F15 = 0x71,
kVK_Help = 0x72,
kVK_Home = 0x73,
kVK_PageUp = 0x74,
kVK_ForwardDelete = 0x75,
kVK_F4 = 0x76,
kVK_End = 0x77,
kVK_F2 = 0x78,
kVK_PageDown = 0x79,
kVK_F1 = 0x7A,
kVK_LeftArrow = 0x7B,
kVK_RightArrow = 0x7C,
kVK_DownArrow = 0x7D,
kVK_UpArrow = 0x7E
};
static char g_keycodeCharUnshifted[256] = {};
static char g_keycodeCharShifted[256] = {};
//static double g_Time = 0.0f;
static bool g_MousePressed[3] = { false, false, false };
static float g_mouseWheelX = 0.0f;
static float g_mouseWheelY = 0.0f;
static GLuint g_FontTexture = 0;
static int g_ShaderHandle = 0, g_VertHandle = 0, g_FragHandle = 0;
static int g_AttribLocationTex = 0, g_AttribLocationProjMtx = 0;
static int g_AttribLocationPosition = 0, g_AttribLocationUV = 0, g_AttribLocationColor = 0;
static size_t g_VboSize = 0;
static unsigned int g_VboHandle = 0, g_VaoHandle = 0;
static float g_displayScale;
static int usynergy_sockfd;
static bool g_synergyPtrActive = false;
static uint16_t g_mousePosX = 0;
static uint16_t g_mousePosY = 0;
static void ImGui_ImplIOS_RenderDrawLists (ImDrawData *draw_data);
bool ImGui_ImplIOS_CreateDeviceObjects();
static NSString *g_serverName;
uSynergyBool ImGui_ConnectFunc(uSynergyCookie cookie)
{
// NOTE: You need to turn off "Use SSL Encryption" in Synergy preferences, since
// uSynergy does not support SSL.
NSLog( @"Connect Func!");
struct addrinfo hints, *res;
// first, load up address structs with getaddrinfo():
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC; // use IPv4 or IPv6, whichever
hints.ai_socktype = SOCK_STREAM;
// get server address
getaddrinfo([g_serverName UTF8String], "24800", &hints, &res);
if (!res)
{
NSLog( @"Could not find server: %@", g_serverName );
return USYNERGY_FALSE;
}
// make a socket:
usynergy_sockfd = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
// connect it to the address and port we passed in to getaddrinfo():
int ret = connect(usynergy_sockfd, res->ai_addr, res->ai_addrlen);
if (!ret) {
NSLog( @"Connect succeeded...");
} else {
NSLog( @"Connect failed, %d", ret );
}
return USYNERGY_TRUE;
}
uSynergyBool ImGui_SendFunc(uSynergyCookie cookie, const uint8_t *buffer, int length)
{
// NSLog( @"Send Func" );
send( usynergy_sockfd, buffer, length, 0 );
return USYNERGY_TRUE;
}
uSynergyBool ImGui_RecvFunc(uSynergyCookie cookie, uint8_t *buffer, int maxLength, int* outLength)
{
*outLength = (int)recv( usynergy_sockfd, buffer, maxLength, 0 );
return USYNERGY_TRUE;
}
void ImGui_SleepFunc(uSynergyCookie cookie, int timeMs)
{
usleep( timeMs * 1000 );
}
uint32_t ImGui_GetTimeFunc()
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (int32_t)((tv.tv_sec) * 1000 + (tv.tv_usec) / 1000);
}
void ImGui_TraceFunc(uSynergyCookie cookie, const char *text)
{
puts(text);
}
void ImGui_ScreenActiveCallback(uSynergyCookie cookie, uSynergyBool active)
{
g_synergyPtrActive = active;
// printf( "Synergy: screen activate %s\n", active?"YES":"NO" );
}
void ImGui_MouseCallback(uSynergyCookie cookie, uint16_t x, uint16_t y, int16_t wheelX, int16_t wheelY,
uSynergyBool buttonLeft, uSynergyBool buttonRight, uSynergyBool buttonMiddle)
{
// printf("Synergy: mouse callback %d %d -- wheel %d %d\n", x, y, wheelX, wheelY );
uSynergyContext *ctx = (uSynergyContext*)cookie;
g_mousePosX = x;
g_mousePosY = y;
g_mouseWheelX = wheelX;
g_mouseWheelY = wheelY;
g_MousePressed[0] = buttonLeft;
g_MousePressed[1] = buttonMiddle;
g_MousePressed[2] = buttonRight;
ctx->m_mouseWheelX = 0;
ctx->m_mouseWheelY = 0;
}
void ImGui_KeyboardCallback(uSynergyCookie cookie, uint16_t key,
uint16_t modifiers, uSynergyBool down, uSynergyBool repeat)
{
int scanCode = key-1;
// printf("Synergy: keyboard callback: 0x%02X (%s)", scanCode, down?"true":"false");
ImGuiIO& io = ImGui::GetIO();
io.KeysDown[key] = down;
io.KeyShift = (modifiers & USYNERGY_MODIFIER_SHIFT);
io.KeyCtrl = (modifiers & USYNERGY_MODIFIER_CTRL);
io.KeyAlt = (modifiers & USYNERGY_MODIFIER_ALT);
io.KeySuper = (modifiers & USYNERGY_MODIFIER_WIN);
// Add this as keyboard input
if ((down) && (key) && (scanCode<256) && !(modifiers & USYNERGY_MODIFIER_CTRL))
{
// If this key maps to a character input, apply it
int charForKeycode = (modifiers & USYNERGY_MODIFIER_SHIFT) ? g_keycodeCharShifted[scanCode] : g_keycodeCharUnshifted[scanCode];
io.AddInputCharacter((unsigned short)charForKeycode);
}
}
void ImGui_JoystickCallback(uSynergyCookie cookie, uint8_t joyNum, uint16_t buttons, int8_t leftStickX, int8_t leftStickY, int8_t rightStickX, int8_t rightStickY)
{
printf("Synergy: joystick callback TODO\n");
}
void ImGui_ClipboardCallback(uSynergyCookie cookie, enum uSynergyClipboardFormat format, const uint8_t *data, uint32_t size)
{
printf("Synergy: clipboard callback TODO\n" );
}
@interface ImGuiHelper ()
{
BOOL _mouseDown;
BOOL _mouseTapped;
CGPoint _touchPos;
uSynergyContext _synergyCtx;
dispatch_queue_t _synergyQueue;
}
@property (nonatomic, weak) UIView *view;
@property (nonatomic, strong) NSString *serverName;
@end
@implementation ImGuiHelper
- (id) initWithView: (UIView *)view
{
self = [super init];
if (self)
{
self.view = view;
[self setupImGuiHooks];
}
return self;
}
- (void)setupKeymaps
{
// The keyboard mapping is a big headache. I tried for a while to find a better way to do this,
// but this was the best I could come up with. There are some device independent API's available
// to convert scan codes to unicode characters, but these are only available on mac and not
// on iOS as far as I can tell (it's part of Carbon). I didn't see any better way to do
// this or any way to get the character codes out of usynergy.
g_keycodeCharUnshifted[ kVK_ANSI_A ]='a';
g_keycodeCharUnshifted[ kVK_ANSI_S ]='s';
g_keycodeCharUnshifted[ kVK_ANSI_D ]='d';
g_keycodeCharUnshifted[ kVK_ANSI_F ]='f';
g_keycodeCharUnshifted[ kVK_ANSI_H ]='h';
g_keycodeCharUnshifted[ kVK_ANSI_G ]='g';
g_keycodeCharUnshifted[ kVK_ANSI_Z ]='z';
g_keycodeCharUnshifted[ kVK_ANSI_X ]='x';
g_keycodeCharUnshifted[ kVK_ANSI_C ]='c';
g_keycodeCharUnshifted[ kVK_ANSI_V ]='v';
g_keycodeCharUnshifted[ kVK_ANSI_B ]='b';
g_keycodeCharUnshifted[ kVK_ANSI_Q ]='q';
g_keycodeCharUnshifted[ kVK_ANSI_W ]='w';
g_keycodeCharUnshifted[ kVK_ANSI_E ]='e';
g_keycodeCharUnshifted[ kVK_ANSI_R ]='r';
g_keycodeCharUnshifted[ kVK_ANSI_Y ]='y';
g_keycodeCharUnshifted[ kVK_ANSI_T ]='t';
g_keycodeCharUnshifted[ kVK_ANSI_1 ]='1';
g_keycodeCharUnshifted[ kVK_ANSI_2 ]='2';
g_keycodeCharUnshifted[ kVK_ANSI_3 ]='3';
g_keycodeCharUnshifted[ kVK_ANSI_4 ]='4';
g_keycodeCharUnshifted[ kVK_ANSI_6 ]='6';
g_keycodeCharUnshifted[ kVK_ANSI_5 ]='5';
g_keycodeCharUnshifted[ kVK_ANSI_Equal ]='=';
g_keycodeCharUnshifted[ kVK_ANSI_9 ]='9';
g_keycodeCharUnshifted[ kVK_ANSI_7 ]='7';
g_keycodeCharUnshifted[ kVK_ANSI_Minus ]='-';
g_keycodeCharUnshifted[ kVK_ANSI_8 ]='8';
g_keycodeCharUnshifted[ kVK_ANSI_0 ]='0';
g_keycodeCharUnshifted[ kVK_ANSI_RightBracket ]=']';
g_keycodeCharUnshifted[ kVK_ANSI_O ]='o';
g_keycodeCharUnshifted[ kVK_ANSI_U ]='u';
g_keycodeCharUnshifted[ kVK_ANSI_LeftBracket ]='[';
g_keycodeCharUnshifted[ kVK_ANSI_I ]='i';
g_keycodeCharUnshifted[ kVK_ANSI_P ]='p';
g_keycodeCharUnshifted[ kVK_ANSI_L ]='l';
g_keycodeCharUnshifted[ kVK_ANSI_J ]='j';
g_keycodeCharUnshifted[ kVK_ANSI_Quote ]='\'';
g_keycodeCharUnshifted[ kVK_ANSI_K ]='k';
g_keycodeCharUnshifted[ kVK_ANSI_Semicolon ]=';';
g_keycodeCharUnshifted[ kVK_ANSI_Backslash ]='\\';
g_keycodeCharUnshifted[ kVK_ANSI_Comma ]=',';
g_keycodeCharUnshifted[ kVK_ANSI_Slash ]='/';
g_keycodeCharUnshifted[ kVK_ANSI_N ]='n';
g_keycodeCharUnshifted[ kVK_ANSI_M ]='m';
g_keycodeCharUnshifted[ kVK_ANSI_Period ]='.';
g_keycodeCharUnshifted[ kVK_ANSI_Grave ]='`';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadDecimal ]='.';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadMultiply ]='*';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadPlus ]='+';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadDivide ]='/';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadEnter ]='\n';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadMinus ]='-';
g_keycodeCharUnshifted[ kVK_ANSI_KeypadEquals ]='=';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad0 ]='0';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad1 ]='1';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad2 ]='2';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad3 ]='3';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad4 ]='4';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad5 ]='5';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad6 ]='6';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad7 ]='7';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad8 ]='8';
g_keycodeCharUnshifted[ kVK_ANSI_Keypad9 ]='9';
g_keycodeCharUnshifted[ kVK_Space ]=' ';
g_keycodeCharShifted[ kVK_ANSI_A ]='A';
g_keycodeCharShifted[ kVK_ANSI_S ]='S';
g_keycodeCharShifted[ kVK_ANSI_D ]='D';
g_keycodeCharShifted[ kVK_ANSI_F ]='F';
g_keycodeCharShifted[ kVK_ANSI_H ]='H';
g_keycodeCharShifted[ kVK_ANSI_G ]='G';
g_keycodeCharShifted[ kVK_ANSI_Z ]='Z';
g_keycodeCharShifted[ kVK_ANSI_X ]='X';
g_keycodeCharShifted[ kVK_ANSI_C ]='C';
g_keycodeCharShifted[ kVK_ANSI_V ]='V';
g_keycodeCharShifted[ kVK_ANSI_B ]='B';
g_keycodeCharShifted[ kVK_ANSI_Q ]='Q';
g_keycodeCharShifted[ kVK_ANSI_W ]='W';
g_keycodeCharShifted[ kVK_ANSI_E ]='E';
g_keycodeCharShifted[ kVK_ANSI_R ]='R';
g_keycodeCharShifted[ kVK_ANSI_Y ]='Y';
g_keycodeCharShifted[ kVK_ANSI_T ]='T';
g_keycodeCharShifted[ kVK_ANSI_1 ]='!';
g_keycodeCharShifted[ kVK_ANSI_2 ]='@';
g_keycodeCharShifted[ kVK_ANSI_3 ]='#';
g_keycodeCharShifted[ kVK_ANSI_4 ]='$';
g_keycodeCharShifted[ kVK_ANSI_6 ]='^';
g_keycodeCharShifted[ kVK_ANSI_5 ]='%';
g_keycodeCharShifted[ kVK_ANSI_Equal ]='+';
g_keycodeCharShifted[ kVK_ANSI_9 ]='(';
g_keycodeCharShifted[ kVK_ANSI_7 ]='&';
g_keycodeCharShifted[ kVK_ANSI_Minus ]='_';
g_keycodeCharShifted[ kVK_ANSI_8 ]='*';
g_keycodeCharShifted[ kVK_ANSI_0 ]=')';
g_keycodeCharShifted[ kVK_ANSI_RightBracket ]='}';
g_keycodeCharShifted[ kVK_ANSI_O ]='O';
g_keycodeCharShifted[ kVK_ANSI_U ]='U';
g_keycodeCharShifted[ kVK_ANSI_LeftBracket ]='{';
g_keycodeCharShifted[ kVK_ANSI_I ]='I';
g_keycodeCharShifted[ kVK_ANSI_P ]='P';
g_keycodeCharShifted[ kVK_ANSI_L ]='L';
g_keycodeCharShifted[ kVK_ANSI_J ]='J';
g_keycodeCharShifted[ kVK_ANSI_Quote ]='\"';
g_keycodeCharShifted[ kVK_ANSI_K ]='K';
g_keycodeCharShifted[ kVK_ANSI_Semicolon ]=':';
g_keycodeCharShifted[ kVK_ANSI_Backslash ]='|';
g_keycodeCharShifted[ kVK_ANSI_Comma ]='<';
g_keycodeCharShifted[ kVK_ANSI_Slash ]='?';
g_keycodeCharShifted[ kVK_ANSI_N ]='N';
g_keycodeCharShifted[ kVK_ANSI_M ]='M';
g_keycodeCharShifted[ kVK_ANSI_Period ]='>';
g_keycodeCharShifted[ kVK_ANSI_Grave ]='~';
g_keycodeCharShifted[ kVK_ANSI_KeypadDecimal ]='.';
g_keycodeCharShifted[ kVK_ANSI_KeypadMultiply ]='*';
g_keycodeCharShifted[ kVK_ANSI_KeypadPlus ]='+';
g_keycodeCharShifted[ kVK_ANSI_KeypadDivide ]='/';
g_keycodeCharShifted[ kVK_ANSI_KeypadEnter ]='\n';
g_keycodeCharShifted[ kVK_ANSI_KeypadMinus ]='-';
g_keycodeCharShifted[ kVK_ANSI_KeypadEquals ]='=';
g_keycodeCharShifted[ kVK_ANSI_Keypad0 ]='0';
g_keycodeCharShifted[ kVK_ANSI_Keypad1 ]='1';
g_keycodeCharShifted[ kVK_ANSI_Keypad2 ]='2';
g_keycodeCharShifted[ kVK_ANSI_Keypad3 ]='3';
g_keycodeCharShifted[ kVK_ANSI_Keypad4 ]='4';
g_keycodeCharShifted[ kVK_ANSI_Keypad5 ]='5';
g_keycodeCharShifted[ kVK_ANSI_Keypad6 ]='6';
g_keycodeCharShifted[ kVK_ANSI_Keypad7 ]='7';
g_keycodeCharShifted[ kVK_ANSI_Keypad8 ]='8';
g_keycodeCharShifted[ kVK_ANSI_Keypad9 ]='9';
g_keycodeCharShifted[ kVK_Space ]=' ';
}
- (void)setupImGuiHooks
{
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
[self setupKeymaps];
// Account for retina display for glScissor
g_displayScale = [[UIScreen mainScreen] scale];
ImGuiStyle& style = ImGui::GetStyle();
style.TouchExtraPadding = ImVec2( 4.0, 4.0 );
io.RenderDrawListsFn = ImGui_ImplIOS_RenderDrawLists;
UIPanGestureRecognizer *panRecognizer = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(viewDidPan:) ];
[self.view addGestureRecognizer:panRecognizer];
UITapGestureRecognizer *tapRecoginzer = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector( viewDidTap:)];
[self.view addGestureRecognizer:tapRecoginzer];
// Fill out the Synergy key map
// (for some reason synergy scan codes are off by 1)
io.KeyMap[ImGuiKey_Tab] = kVK_Tab+1;
io.KeyMap[ImGuiKey_LeftArrow] = kVK_LeftArrow+1;
io.KeyMap[ImGuiKey_RightArrow] = kVK_RightArrow+1;
io.KeyMap[ImGuiKey_UpArrow] = kVK_UpArrow+1;
io.KeyMap[ImGuiKey_DownArrow] = kVK_DownArrow+1;
io.KeyMap[ImGuiKey_Home] = kVK_Home+1;
io.KeyMap[ImGuiKey_End] = kVK_End+1;
io.KeyMap[ImGuiKey_Insert] = kVK_Help+1;
io.KeyMap[ImGuiKey_Delete] = kVK_ForwardDelete+1;
io.KeyMap[ImGuiKey_Backspace] = kVK_Delete+1;
io.KeyMap[ImGuiKey_Space] = kVK_Space+1;
io.KeyMap[ImGuiKey_Enter] = kVK_Return+1;
io.KeyMap[ImGuiKey_Escape] = kVK_Escape+1;
io.KeyMap[ImGuiKey_A] = kVK_ANSI_A+1;
io.KeyMap[ImGuiKey_C] = kVK_ANSI_C+1;
io.KeyMap[ImGuiKey_V] = kVK_ANSI_V+1;
io.KeyMap[ImGuiKey_X] = kVK_ANSI_X+1;
io.KeyMap[ImGuiKey_Y] = kVK_ANSI_Y+1;
io.KeyMap[ImGuiKey_Z] = kVK_ANSI_Z+1;
}
- (void)connectServer: (NSString*)serverName
{
self.serverName = serverName;
g_serverName = serverName;
// Init synergy
NSString *bundleName = [[[NSBundle mainBundle] infoDictionary] objectForKey:(NSString*)kCFBundleNameKey];
uSynergyInit( &_synergyCtx );
_synergyCtx.m_clientName = strdup( [bundleName UTF8String] );
_synergyCtx.m_clientWidth = self.view.bounds.size.width;
_synergyCtx.m_clientHeight = self.view.bounds.size.height;
_synergyCtx.m_connectFunc = ImGui_ConnectFunc;
_synergyCtx.m_sendFunc = ImGui_SendFunc;
_synergyCtx.m_receiveFunc = ImGui_RecvFunc;
_synergyCtx.m_sleepFunc = ImGui_SleepFunc;
_synergyCtx.m_traceFunc = ImGui_TraceFunc;
_synergyCtx.m_getTimeFunc = ImGui_GetTimeFunc;
_synergyCtx.m_traceFunc = ImGui_TraceFunc;
_synergyCtx.m_screenActiveCallback = ImGui_ScreenActiveCallback;
_synergyCtx.m_mouseCallback = ImGui_MouseCallback;
_synergyCtx.m_keyboardCallback = ImGui_KeyboardCallback;
_synergyCtx.m_cookie = (uSynergyCookie)&_synergyCtx;
// Create a background thread for synergy
_synergyQueue = dispatch_queue_create( "imgui-usynergy", NULL );
dispatch_async( _synergyQueue, ^{
while (1)
uSynergyUpdate(&_synergyCtx);
});
}
- (void)viewDidPan: (UIPanGestureRecognizer *)recognizer
{
if ((recognizer.state == UIGestureRecognizerStateBegan) ||
(recognizer.state == UIGestureRecognizerStateChanged))
{
_mouseDown = YES;
_touchPos = [recognizer locationInView:self.view];
}
else
{
_mouseDown = NO;
_touchPos = CGPointMake( -1, -1 );
}
}
- (void)viewDidTap: (UITapGestureRecognizer*)recognizer
{
_touchPos = [recognizer locationInView:self.view];
_mouseTapped = YES;
}
- (void)render
{
ImGui::Render();
}
- (void)newFrame
{
ImGuiIO& io = ImGui::GetIO();
ImGuiStyle& style = ImGui::GetStyle();
if (!g_FontTexture)
ImGui_ImplIOS_CreateDeviceObjects();
io.DisplaySize = ImVec2(_view.bounds.size.width, _view.bounds.size.height);
io.MouseDrawCursor = g_synergyPtrActive;
if (g_synergyPtrActive)
{
style.TouchExtraPadding = ImVec2(0.0, 0.0);
io.MousePos = ImVec2(g_mousePosX, g_mousePosY);
for (int i=0; i < 3; i++)
io.MouseDown[i] = g_MousePressed[i];
// This is an arbitrary scaling factor that works for me. Not sure what units these mousewheel values from synergy are supposed to be in.
io.MouseWheel = g_mouseWheelY / 500.0;
io.MouseWheelH = g_mouseWheelX / 500.0;
}
else
{
// Synergy not active, use touch events
style.TouchExtraPadding = ImVec2(4.0, 4.0);
io.MousePos = ImVec2(_touchPos.x, _touchPos.y);
if ((_mouseDown) || (_mouseTapped))
{
io.MouseDown[0] = true;
_mouseTapped = NO;
}
else
{
io.MouseDown[0] = false;
}
}
ImGui::NewFrame();
}
@end
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
// If text or lines are blurry when integrating ImGui in your engine:
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
// NOTE: this is copied pretty much entirely from the example_glfw_opengl3, with only minor changes for ES
static void ImGui_ImplIOS_RenderDrawLists (ImDrawData *draw_data)
{
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled
// FIXME: Backport changes from imgui_impl_glfw_gl3.cpp
GLint last_program, last_texture;
glGetIntegerv(GL_CURRENT_PROGRAM, &last_program);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
glEnable(GL_BLEND);
glBlendEquation(GL_FUNC_ADD);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glActiveTexture(GL_TEXTURE0);
// Setup orthographic projection matrix
const float width = ImGui::GetIO().DisplaySize.x;
const float height = ImGui::GetIO().DisplaySize.y;
const float ortho_projection[4][4] =
{
{ 2.0f/width, 0.0f, 0.0f, 0.0f },
{ 0.0f, 2.0f/-height, 0.0f, 0.0f },
{ 0.0f, 0.0f, -1.0f, 0.0f },
{ -1.0f, 1.0f, 0.0f, 1.0f },
};
glUseProgram(g_ShaderHandle);
glUniform1i(g_AttribLocationTex, 0);
glUniformMatrix4fv(g_AttribLocationProjMtx, 1, GL_FALSE, &ortho_projection[0][0]);
glBindVertexArray(g_VaoHandle);
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
ImDrawList* cmd_list = draw_data->CmdLists[n];
ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
const int needed_vtx_size = cmd_list->VtxBuffer.Size * sizeof(ImDrawVert);
if (g_VboSize < needed_vtx_size)
{
// Grow our buffer if needed
g_VboSize = needed_vtx_size + 2000 * sizeof(ImDrawVert);
glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)g_VboSize, NULL, GL_STREAM_DRAW);
}
unsigned char* vtx_data = (unsigned char*)glMapBufferRange(GL_ARRAY_BUFFER, 0, needed_vtx_size, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
if (!vtx_data)
continue;
memcpy(vtx_data, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
glUnmapBuffer(GL_ARRAY_BUFFER);
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
{
pcmd->UserCallback(cmd_list, pcmd);
}
else
{
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId);
glScissor((int)(pcmd->ClipRect.x * g_displayScale),
(int)((height - pcmd->ClipRect.w) * g_displayScale),
(int)((pcmd->ClipRect.z - pcmd->ClipRect.x) * g_displayScale),
(int)((pcmd->ClipRect.w - pcmd->ClipRect.y) * g_displayScale));
glDrawElements( GL_TRIANGLES, (GLsizei)pcmd->ElemCount, GL_UNSIGNED_SHORT, idx_buffer );
}
idx_buffer += pcmd->ElemCount;
}
}
// Restore modified state
glBindVertexArray(0);
glBindBuffer( GL_ARRAY_BUFFER, 0);
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glUseProgram(last_program);
glDisable(GL_SCISSOR_TEST);
glBindTexture(GL_TEXTURE_2D, last_texture);
}
void ImGui_ImplIOS_CreateFontsTexture()
{
// Build texture atlas
ImGuiIO& io = ImGui::GetIO();
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); // Load as RGBA 32-bits for OpenGL3 demo because it is more likely to be compatible with user's existing shader.
// Upload texture to graphics system
GLint last_texture;
glGetIntegerv(GL_TEXTURE_BINDING_2D, &last_texture);
glGenTextures(1, &g_FontTexture);
glBindTexture(GL_TEXTURE_2D, g_FontTexture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
// Store our identifier
io.Fonts->TexID = (void *)(intptr_t)g_FontTexture;
// Restore state
glBindTexture(GL_TEXTURE_2D, last_texture);
}
bool ImGui_ImplIOS_CreateDeviceObjects()
{
const GLchar *vertex_shader =
"uniform mat4 ProjMtx;\n"
"attribute highp vec2 Position;\n"
"attribute highp vec2 UV;\n"
"attribute highp vec4 Color;\n"
"varying vec2 Frag_UV;\n"
"varying vec4 Frag_Color;\n"
"void main()\n"
"{\n"
" Frag_UV = UV;\n"
" Frag_Color = Color;\n"
" gl_Position = ProjMtx * vec4(Position.xy,0,1);\n"
"}\n";
const GLchar* fragment_shader =
"uniform sampler2D Texture;\n"
"varying highp vec2 Frag_UV;\n"
"varying highp vec4 Frag_Color;\n"
"void main()\n"
"{\n"
" gl_FragColor = Frag_Color * texture2D( Texture, Frag_UV.st);\n"
"}\n";
g_ShaderHandle = glCreateProgram();
g_VertHandle = glCreateShader(GL_VERTEX_SHADER);
g_FragHandle = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(g_VertHandle, 1, &vertex_shader, 0);
glShaderSource(g_FragHandle, 1, &fragment_shader, 0);
glCompileShader(g_VertHandle);
#if defined(DEBUG)
GLint logLength;
glGetShaderiv( g_VertHandle, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength);
glGetShaderInfoLog(g_VertHandle, logLength, &logLength, log);
NSLog(@"VERTEX Shader compile log:\n%s", log);
free(log);
}
#endif
glCompileShader(g_FragHandle);
#if defined(DEBUG)
glGetShaderiv( g_FragHandle, GL_INFO_LOG_LENGTH, &logLength);
if (logLength > 0) {
GLchar *log = (GLchar *)malloc(logLength);
glGetShaderInfoLog(g_FragHandle, logLength, &logLength, log);
NSLog(@"FRAGMENT Shader compile log:\n%s", log);
free(log);
}
#endif
glAttachShader(g_ShaderHandle, g_VertHandle);
glAttachShader(g_ShaderHandle, g_FragHandle);
glLinkProgram(g_ShaderHandle);
g_AttribLocationTex = glGetUniformLocation(g_ShaderHandle, "Texture");
g_AttribLocationProjMtx = glGetUniformLocation(g_ShaderHandle, "ProjMtx");
g_AttribLocationPosition = glGetAttribLocation(g_ShaderHandle, "Position");
g_AttribLocationUV = glGetAttribLocation(g_ShaderHandle, "UV");
g_AttribLocationColor = glGetAttribLocation(g_ShaderHandle, "Color");
glGenBuffers(1, &g_VboHandle);
glGenVertexArrays(1, &g_VaoHandle);
glBindVertexArray(g_VaoHandle);
glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
glEnableVertexAttribArray(g_AttribLocationPosition);
glEnableVertexAttribArray(g_AttribLocationUV);
glEnableVertexAttribArray(g_AttribLocationColor);
glVertexAttribPointer(g_AttribLocationPosition, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, pos));
glVertexAttribPointer(g_AttribLocationUV, 2, GL_FLOAT, GL_FALSE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, uv));
glVertexAttribPointer(g_AttribLocationColor, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(ImDrawVert), (GLvoid*)IM_OFFSETOF(ImDrawVert, col));
glBindVertexArray(0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
ImGui_ImplIOS_CreateFontsTexture();
return true;
}

15
examples/example_apple/imguiex-osx/AppDelegate.h
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@ -1,15 +0,0 @@
//
// AppDelegate.h
// imguiex-osx
//
// Created by James Chen on 4/5/16.
// Copyright © 2016 Joel Davis. All rights reserved.
//
#import <Cocoa/Cocoa.h>
@interface AppDelegate : NSObject <NSApplicationDelegate>
@end

26
examples/example_apple/imguiex-osx/AppDelegate.m
View File

@ -1,26 +0,0 @@
//
// AppDelegate.m
// imguiex-osx
//
// Created by James Chen on 4/5/16.
// Copyright © 2016 Joel Davis. All rights reserved.
//
#import "AppDelegate.h"
@interface AppDelegate ()
@property (weak) IBOutlet NSWindow *window;
@end
@implementation AppDelegate
- (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
// Insert code here to initialize your application
}
- (void)applicationWillTerminate:(NSNotification *)aNotification {
// Insert code here to tear down your application
}
@end

64
examples/example_apple/imguiex-osx/Assets.xcassets/AppIcon.appiconset/Contents.json
View File

@ -1,64 +0,0 @@
{
"images" : [
{
"idiom" : "mac",
"size" : "16x16",
"scale" : "1x"
},
{
"idiom" : "mac",
"size" : "16x16",
"scale" : "2x"
},
{
"idiom" : "mac",
"size" : "32x32",
"scale" : "1x"
},
{
"idiom" : "mac",
"size" : "32x32",
"scale" : "2x"
},
{
"idiom" : "mac",
"size" : "128x128",
"scale" : "1x"
},
{
"idiom" : "mac",
"size" : "128x128",
"scale" : "2x"
},
{
"idiom" : "mac",
"size" : "256x256",
"scale" : "1x"
},
{
"idiom" : "mac",
"size" : "256x256",
"scale" : "2x"
},
{
"idiom" : "mac",
"size" : "512x512",
"scale" : "1x"
},
{
"size" : "512x512",
"idiom" : "mac",
"filename" : "icon_imgui_180x180.png",
"scale" : "2x"
},
{
"idiom" : "mac",
"size" : "512x512",
"scale" : "2x"
}
],
"info" : {
"version" : 1,
"author" : "xcode"
}
}

BIN
examples/example_apple/imguiex-osx/Assets.xcassets/AppIcon.appiconset/icon_imgui_180x180.png
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6
examples/example_apple/imguiex-osx/Assets.xcassets/Contents.json
View File

@ -1,6 +0,0 @@
{
"info" : {
"version" : 1,
"author" : "xcode"
}
}

13
examples/example_apple/imguiex-osx/main.m
View File

@ -1,13 +0,0 @@
//
// main.m
// imguiex-osx
//
// Created by James Chen on 4/5/16.
// Copyright © 2016 Joel Davis. All rights reserved.
//
#import <Cocoa/Cocoa.h>
int main(int argc, const char * argv[]) {
return NSApplicationMain(argc, argv);
}

544
examples/example_apple/imguiex.xcodeproj/project.pbxproj
View File

@ -1,544 +0,0 @@
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8
examples/example_apple_metal/README.md Normal file
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@ -0,0 +1,8 @@
# iOS / OSX Metal example
## Introduction
This example shows how to integrate Dear ImGui with Metal. It is based on the "cross-platform" game template provided with Xcode as of Xcode 9.
(NB: you may still want to use GLFW or SDL which will also support Windows, Linux along with OSX.)

19
examples/example_apple_metal/Shared/AppDelegate.h Normal file
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#import <TargetConditionals.h>
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
@interface AppDelegate : UIResponder <UIApplicationDelegate>
@property (strong, nonatomic) UIWindow *window;
@end
#else
#import <Cocoa/Cocoa.h>
@interface AppDelegate : NSObject <NSApplicationDelegate>
@end
#endif

12
examples/example_apple_metal/Shared/AppDelegate.m Normal file
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@ -0,0 +1,12 @@
#import "AppDelegate.h"
@implementation AppDelegate
#if TARGET_OS_OSX
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender {
return YES;
}
#endif
@end

9
examples/example_apple_metal/Shared/Renderer.h Normal file
View File

@ -0,0 +1,9 @@
#import <MetalKit/MetalKit.h>
@interface Renderer : NSObject <MTKViewDelegate>
-(nonnull instancetype)initWithView:(nonnull MTKView *)view;
@end

132
examples/example_apple_metal/Shared/Renderer.mm Normal file
View File

@ -0,0 +1,132 @@
#import "Renderer.h"
#import <Metal/Metal.h>
#include "imgui.h"
#include "imgui_impl_metal.h"
#if TARGET_OS_OSX
#include "imgui_impl_osx.h"
#endif
@interface Renderer ()
@property (nonatomic, strong) id <MTLDevice> device;
@property (nonatomic, strong) id <MTLCommandQueue> commandQueue;
@end
@implementation Renderer
-(nonnull instancetype)initWithView:(nonnull MTKView *)view;
{
self = [super init];
if(self)
{
_device = view.device;
_commandQueue = [_device newCommandQueue];
IMGUI_CHECKVERSION();
ImGui::CreateContext();
(void)ImGui::GetIO();
ImGui_ImplMetal_Init(_device);
ImGui::StyleColorsDark();
}
return self;
}
- (void)drawInMTKView:(MTKView *)view
{
ImGuiIO &io = ImGui::GetIO();
io.DisplaySize.x = view.bounds.size.width;
io.DisplaySize.y = view.bounds.size.height;
#if TARGET_OS_OSX
CGFloat framebufferScale = view.window.screen.backingScaleFactor ?: NSScreen.mainScreen.backingScaleFactor;
#else
CGFloat framebufferScale = view.window.screen.scale ?: UIScreen.mainScreen.scale;
#endif
io.DisplayFramebufferScale = ImVec2(framebufferScale, framebufferScale);
io.DeltaTime = 1 / float(view.preferredFramesPerSecond ?: 60);
id<MTLCommandBuffer> commandBuffer = [self.commandQueue commandBuffer];
static bool show_demo_window = true;
static bool show_another_window = false;
static float clear_color[4] = { 0.28f, 0.36f, 0.5f, 1.0f };
MTLRenderPassDescriptor *renderPassDescriptor = view.currentRenderPassDescriptor;
if(renderPassDescriptor != nil)
{
renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color[0], clear_color[1], clear_color[2], clear_color[3]);
// Here, you could do additional rendering work, including other passes as necessary.
id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor];
[renderEncoder pushDebugGroup:@"Draw ImGui"];
ImGui_ImplMetal_NewFrame(renderPassDescriptor);
#if TARGET_OS_OSX
ImGui_ImplOSX_NewFrame(view);
#endif
ImGui::NewFrame();
{
static float f = 0.0f;
static int counter = 0;
ImGui::Text("Hello, world!"); // Display some text (you can use a format string too)
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our windows open/close state
ImGui::Checkbox("Another Window", &show_another_window);
if (ImGui::Button("Button")) // Buttons return true when clicked (NB: most widgets return true when edited/activated)
counter++;
ImGui::SameLine();
ImGui::Text("counter = %d", counter);
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
}
// 2. Show another simple window. In most cases you will use an explicit Begin/End pair to name your windows.
if (show_another_window)
{
ImGui::Begin("Another Window", &show_another_window);
ImGui::Text("Hello from another window!");
if (ImGui::Button("Close Me"))
show_another_window = false;
ImGui::End();
}
// 3. Show the ImGui demo window. Most of the sample code is in ImGui::ShowDemoWindow(). Read its code to learn more about Dear ImGui!
if (show_demo_window)
{
// Normally user code doesn't need/want to call this because positions are saved in .ini file anyway.
// Here we just want to make the demo initial state a bit more friendly!
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver);
ImGui::ShowDemoWindow(&show_demo_window);
}
ImGui::Render();
ImDrawData *drawData = ImGui::GetDrawData();
ImGui_ImplMetal_RenderDrawData(drawData, commandBuffer, renderEncoder);
[renderEncoder popDebugGroup];
[renderEncoder endEncoding];
[commandBuffer presentDrawable:view.currentDrawable];
}
[commandBuffer commit];
}
- (void)mtkView:(MTKView *)view drawableSizeWillChange:(CGSize)size
{
}
@end

20
examples/example_apple_metal/Shared/ViewController.h Normal file
View File

@ -0,0 +1,20 @@
#import <Metal/Metal.h>
#import <MetalKit/MetalKit.h>
#import "Renderer.h"
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
@interface ViewController : UIViewController
@end
#else
#import <Cocoa/Cocoa.h>
@interface ViewController : NSViewController
@end
#endif

130
examples/example_apple_metal/Shared/ViewController.mm Normal file
View File

@ -0,0 +1,130 @@
#import "ViewController.h"
#import "Renderer.h"
#include "imgui.h"
#if TARGET_OS_OSX
#include "imgui_impl_osx.h"
#endif
@interface ViewController ()
@property (nonatomic, readonly) MTKView *mtkView;
@property (nonatomic, strong) Renderer *renderer;
@end
@implementation ViewController
- (MTKView *)mtkView {
return (MTKView *)self.view;
}
- (void)viewDidLoad
{
[super viewDidLoad];
self.mtkView.device = MTLCreateSystemDefaultDevice();
if (!self.mtkView.device) {
NSLog(@"Metal is not supported");
abort();
}
self.renderer = [[Renderer alloc] initWithView:self.mtkView];
[self.renderer mtkView:self.mtkView drawableSizeWillChange:self.mtkView.bounds.size];
self.mtkView.delegate = self.renderer;
#if TARGET_OS_OSX
// Add a tracking area in order to receive mouse events whenever the mouse is within the bounds of our view
NSTrackingArea *trackingArea = [[NSTrackingArea alloc] initWithRect:NSZeroRect
options:NSTrackingMouseMoved | NSTrackingInVisibleRect | NSTrackingActiveAlways
owner:self
userInfo:nil];
[self.view addTrackingArea:trackingArea];
// If we want to receive key events, we either need to be in the responder chain of the key view,
// or else we can install a local monitor. The consequence of this heavy-handed approach is that
// we receive events for all controls, not just ImGui widgets. If we had native controls in our
// window, we'd want to be much more careful than just ingesting the complete event stream, though
// we do make an effort to be good citizens by passing along events when ImGui doesn't want to capture.
NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged | NSEventTypeScrollWheel;
[NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^NSEvent * _Nullable(NSEvent *event) {
BOOL wantsCapture = ImGui_ImplOSX_HandleEvent(event, self.view);
if (event.type == NSEventTypeKeyDown && wantsCapture) {
return nil;
} else {
return event;
}
}];
ImGui_ImplOSX_Init();
#endif
}
#if TARGET_OS_OSX
- (void)mouseMoved:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)mouseDown:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)mouseUp:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)mouseDragged:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)scrollWheel:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
#elif TARGET_OS_IOS
// This touch mapping is super cheesy/hacky. We treat any touch on the screen
// as if it were a depressed left mouse button, and we don't bother handling
// multitouch correctly at all. This causes the "cursor" to behave very erratically
// when there are multiple active touches. But for demo purposes, single-touch
// interaction actually works surprisingly well.
- (void)updateIOWithTouchEvent:(UIEvent *)event {
UITouch *anyTouch = event.allTouches.anyObject;
CGPoint touchLocation = [anyTouch locationInView:self.view];
ImGuiIO &io = ImGui::GetIO();
io.MousePos = ImVec2(touchLocation.x, touchLocation.y);
BOOL hasActiveTouch = NO;
for (UITouch *touch in event.allTouches) {
if (touch.phase != UITouchPhaseEnded && touch.phase != UITouchPhaseCancelled) {
hasActiveTouch = YES;
break;
}
}
io.MouseDown[0] = hasActiveTouch;
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
[self updateIOWithTouchEvent:event];
}
- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
[self updateIOWithTouchEvent:event];
}
- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
[self updateIOWithTouchEvent:event];
}
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
[self updateIOWithTouchEvent:event];
}
#endif
@end

18
examples/example_apple/imguiex-ios/main.m → examples/example_apple_metal/Shared/main.m
View File

@ -1,7 +1,7 @@
//
// main.m #import <TargetConditionals.h>
// imguiex
// #if TARGET_OS_IPHONE
#import <UIKit/UIKit.h> #import <UIKit/UIKit.h>
#import "AppDelegate.h" #import "AppDelegate.h"
@ -11,3 +11,13 @@ int main(int argc, char * argv[]) {
return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class])); return UIApplicationMain(argc, argv, nil, NSStringFromClass([AppDelegate class]));
} }
} }
#else
#import <Cocoa/Cocoa.h>
int main(int argc, const char * argv[]) {
return NSApplicationMain(argc, argv);
}
#endif

541
examples/example_apple_metal/example_apple_metal.xcodeproj/project.pbxproj Normal file
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@ -0,0 +1,541 @@
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28
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12
examples/example_apple/imguiex-ios/Info.plist → examples/example_apple_metal/iOS/Info-iOS.plist
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@ -3,21 +3,19 @@
<plist version="1.0"> <plist version="1.0">
<dict> <dict>
<key>CFBundleDevelopmentRegion</key> <key>CFBundleDevelopmentRegion</key>
<string>en</string> <string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key> <key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string> <string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key> <key>CFBundleIdentifier</key>
<string>org.imgui.example.$(PRODUCT_NAME:rfc1034identifier)</string> <string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key> <key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string> <string>6.0</string>
<key>CFBundleName</key> <key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string> <string>imgui</string>
<key>CFBundlePackageType</key> <key>CFBundlePackageType</key>
<string>APPL</string> <string>APPL</string>
<key>CFBundleShortVersionString</key> <key>CFBundleShortVersionString</key>
<string>1.0</string> <string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key> <key>CFBundleVersion</key>
<string>1</string> <string>1</string>
<key>LSRequiresIPhoneOS</key> <key>LSRequiresIPhoneOS</key>
@ -29,7 +27,10 @@
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<key>UIStatusBarHidden</key> <key>UIStatusBarHidden</key>
<true/> <true/>
<key>UISupportedInterfaceOrientations</key> <key>UISupportedInterfaceOrientations</key>
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<string>UIInterfaceOrientationLandscapeRight</string> <string>UIInterfaceOrientationLandscapeRight</string>
<string>UIInterfaceOrientationPortraitUpsideDown</string>
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<key>UISupportedInterfaceOrientations~ipad</key> <key>UISupportedInterfaceOrientations~ipad</key>
<array> <array>

29
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<menuItem title="Minimize" keyEquivalent="m" id="OY7-WF-poV">
<connections>
<action selector="performMiniaturize:" target="Ady-hI-5gd" id="VwT-WD-YPe"/>
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<menuItem title="Zoom" id="R4o-n2-Eq4">
<modifierMask key="keyEquivalentModifierMask"/>
<connections>
<action selector="performZoom:" target="Ady-hI-5gd" id="DIl-cC-cCs"/>
</connections>
</menuItem>
</items>
</menu>
</menuItem>
</items>
</menu>
<connections>
<outlet property="delegate" destination="Voe-Tx-rLC" id="PrD-fu-P6m"/>
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</application>
<customObject id="Voe-Tx-rLC" customClass="AppDelegate"/>
<customObject id="YLy-65-1bz" customClass="NSFontManager"/>
<customObject id="Ady-hI-5gd" userLabel="First Responder" customClass="NSResponder" sceneMemberID="firstResponder"/>
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<point key="canvasLocation" x="75" y="0.0"/>
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<!--Window Controller-->
<scene sceneID="R2V-B0-nI4">
<objects>
<windowController id="B8D-0N-5wS" sceneMemberID="viewController">
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<windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
<windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
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<connections>
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</connections>
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<connections>
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</document>

12
examples/example_apple/imguiex-osx/Info.plist → examples/example_apple_metal/macOS/Info-macOS.plist
View File

@ -3,7 +3,7 @@
<plist version="1.0"> <plist version="1.0">
<dict> <dict>
<key>CFBundleDevelopmentRegion</key> <key>CFBundleDevelopmentRegion</key>
<string>en</string> <string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleExecutable</key> <key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string> <string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIconFile</key> <key>CFBundleIconFile</key>
@ -13,21 +13,19 @@
<key>CFBundleInfoDictionaryVersion</key> <key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string> <string>6.0</string>
<key>CFBundleName</key> <key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string> <string>imgui</string>
<key>CFBundlePackageType</key> <key>CFBundlePackageType</key>
<string>APPL</string> <string>APPL</string>
<key>CFBundleShortVersionString</key> <key>CFBundleShortVersionString</key>
<string>1.0</string> <string>1.0</string>
<key>CFBundleSignature</key>
<string>????</string>
<key>CFBundleVersion</key> <key>CFBundleVersion</key>
<string>1</string> <string>1</string>
<key>LSMinimumSystemVersion</key> <key>LSMinimumSystemVersion</key>
<string>$(MACOSX_DEPLOYMENT_TARGET)</string> <string>$(MACOSX_DEPLOYMENT_TARGET)</string>
<key>NSHumanReadableCopyright</key> <key>NSHumanReadableCopyright</key>
<string>Copyright © 2016 Joel Davis. All rights reserved.</string> <string>Copyright © 2018 Warren Moore. All rights reserved.</string>
<key>NSMainNibFile</key> <key>NSMainStoryboardFile</key>
<string>MainMenu</string> <string>Main</string>
<key>NSPrincipalClass</key> <key>NSPrincipalClass</key>
<string>NSApplication</string> <string>NSApplication</string>
</dict> </dict>

325
examples/example_apple_opengl2/example_apple_opengl2.xcodeproj/project.pbxproj Normal file
View File

@ -0,0 +1,325 @@
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280
examples/example_apple_opengl2/main.mm Normal file
View File

@ -0,0 +1,280 @@
// ImGui - standalone example application for OSX + OpenGL2, using legacy fixed pipeline
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
#include "imgui.h"
#include "../imgui_impl_osx.h"
#include "../imgui_impl_opengl2.h"
#include <stdio.h>
#import <Cocoa/Cocoa.h>
#import <OpenGL/gl.h>
#import <OpenGL/glu.h>
//-----------------------------------------------------------------------------------
// ImGuiExampleView
//-----------------------------------------------------------------------------------
@interface ImGuiExampleView : NSOpenGLView
{
NSTimer* animationTimer;
}
@end
@implementation ImGuiExampleView
-(void)animationTimerFired:(NSTimer*)timer
{
[self setNeedsDisplay:YES];
}
-(void)prepareOpenGL
{
[super prepareOpenGL];
#ifndef DEBUG
GLint swapInterval = 1;
[[self openGLContext] setValues:&swapInterval forParameter:NSOpenGLCPSwapInterval];
if (swapInterval == 0)
NSLog(@"Error: Cannot set swap interval.");
#endif
}
-(void)updateAndDrawDemoView
{
ImGui_ImplOpenGL2_NewFrame();
ImGui_ImplOSX_NewFrame(self);
ImGui::NewFrame();
// Global data for the demo
static bool show_demo_window = true;
static bool show_another_window = false;
static ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
// 1. Show a simple window.
// Tip: if we don't call ImGui::Begin()/ImGui::End() the widgets automatically appears in a window called "Debug".
{
static float f = 0.0f;
static int counter = 0;
ImGui::Text("Hello, world!"); // Display some text (you can use a format string too)
ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our windows open/close state
ImGui::Checkbox("Another Window", &show_another_window);
if (ImGui::Button("Button")) // Buttons return true when clicked (NB: most widgets return true when edited/activated)
counter++;
ImGui::SameLine();
ImGui::Text("counter = %d", counter);
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
}
// 2. Show another simple window. In most cases you will use an explicit Begin/End pair to name your windows.
if (show_another_window)
{
ImGui::Begin("Another Window", &show_another_window);
ImGui::Text("Hello from another window!");
if (ImGui::Button("Close Me"))
show_another_window = false;
ImGui::End();
}
// 3. Show the ImGui demo window. Most of the sample code is in ImGui::ShowDemoWindow(). Read its code to learn more about Dear ImGui!
if (show_demo_window)
{
ImGui::SetNextWindowPos(ImVec2(650, 20), ImGuiCond_FirstUseEver); // Normally user code doesn't need/want to call this because positions are saved in .ini file anyway. Here we just want to make the demo initial state a bit more friendly!
ImGui::ShowDemoWindow(&show_demo_window);
}
// Rendering
ImGui::Render();
[[self openGLContext] makeCurrentContext];
ImGuiIO& io = ImGui::GetIO();
GLsizei width = (GLsizei)(io.DisplaySize.x * io.DisplayFramebufferScale.x);
GLsizei height = (GLsizei)(io.DisplaySize.y * io.DisplayFramebufferScale.y);
glViewport(0, 0, width, height);
glClearColor(clear_color.x, clear_color.y, clear_color.z, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui_ImplOpenGL2_RenderDrawData(ImGui::GetDrawData());
// Present
[[self openGLContext] flushBuffer];
if (!animationTimer)
animationTimer = [NSTimer scheduledTimerWithTimeInterval:0.017 target:self selector:@selector(animationTimerFired:) userInfo:nil repeats:YES];
}
-(void)reshape
{
[[self openGLContext] update];
[self updateAndDrawDemoView];
}
-(void)drawRect:(NSRect)bounds
{
[self updateAndDrawDemoView];
}
-(BOOL)acceptsFirstResponder
{
return (YES);
}
-(BOOL)becomeFirstResponder
{
return (YES);
}
-(BOOL)resignFirstResponder
{
return (YES);
}
// Flip coordinate system upside down on Y
-(BOOL)isFlipped
{
return (YES);
}
-(void)dealloc
{
animationTimer = nil;
}
// Forward Mouse/Keyboard events to dear imgui OSX back-end. It returns true when imgui is expecting to use the event.
-(void)keyUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)keyDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)flagsChanged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)mouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)mouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)scrollWheel:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
@end
//-----------------------------------------------------------------------------------
// ImGuiExampleAppDelegate
//-----------------------------------------------------------------------------------
@interface ImGuiExampleAppDelegate : NSObject <NSApplicationDelegate>
@property (nonatomic, readonly) NSWindow* window;
@end
@implementation ImGuiExampleAppDelegate
@synthesize window = _window;
-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
{
return YES;
}
-(NSWindow*)window
{
if (_window != nil)
return (_window);
NSRect viewRect = NSMakeRect(100.0, 100.0, 100.0 + 1280.0, 100 + 720.0);
_window = [[NSWindow alloc] initWithContentRect:viewRect styleMask:NSWindowStyleMaskTitled|NSWindowStyleMaskMiniaturizable|NSWindowStyleMaskResizable|NSWindowStyleMaskClosable backing:NSBackingStoreBuffered defer:YES];
[_window setTitle:@"ImGui OSX+OpenGL2 Example"];
[_window setOpaque:YES];
[_window makeKeyAndOrderFront:NSApp];
return (_window);
}
-(void)setupMenu
{
NSMenu* mainMenuBar = [[NSMenu alloc] init];
NSMenu* appMenu;
NSMenuItem* menuItem;
appMenu = [[NSMenu alloc] initWithTitle:@"ImGui OSX+OpenGL2 Example"];
menuItem = [appMenu addItemWithTitle:@"Quit ImGui OSX+OpenGL2 Example" action:@selector(terminate:) keyEquivalent:@"q"];
[menuItem setKeyEquivalentModifierMask:NSEventModifierFlagCommand];
menuItem = [[NSMenuItem alloc] init];
[menuItem setSubmenu:appMenu];
[mainMenuBar addItem:menuItem];
appMenu = nil;
[NSApp setMainMenu:mainMenuBar];
}
-(void)dealloc
{
_window = nil;
}
-(void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
// Make the application a foreground application (else it won't receive keyboard events)
ProcessSerialNumber psn = {0, kCurrentProcess};
TransformProcessType(&psn, kProcessTransformToForegroundApplication);
// Menu
[self setupMenu];
NSOpenGLPixelFormatAttribute attrs[] =
{
NSOpenGLPFADoubleBuffer,
NSOpenGLPFADepthSize, 32,
0
};
NSOpenGLPixelFormat* format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];
ImGuiExampleView* view = [[ImGuiExampleView alloc] initWithFrame:self.window.frame pixelFormat:format];
format = nil;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
[view setWantsBestResolutionOpenGLSurface:YES];
#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
[self.window setContentView:view];
if ([view openGLContext] == nil)
NSLog(@"No OpenGL Context!");
// Setup Dear ImGui binding
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
ImGui_ImplOSX_Init();
ImGui_ImplOpenGL2_Init();
// Setup style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();
// Load Fonts
// - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them.
// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
// - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
// - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call.
// - Read 'misc/fonts/README.txt' for more instructions and details.
// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
//io.Fonts->AddFontDefault();
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
//IM_ASSERT(font != NULL);
}
@end
int main(int argc, const char* argv[])
{
@autoreleasepool
{
NSApp = [NSApplication sharedApplication];
ImGuiExampleAppDelegate* delegate = [[ImGuiExampleAppDelegate alloc] init];
[[NSApplication sharedApplication] setDelegate:delegate];
[NSApp run];
}
return NSApplicationMain(argc, argv);
}

5
examples/imgui_impl_allegro5.cpp
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@ -10,9 +10,8 @@
// [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert the format of vertices. // [ ] Renderer: The renderer is suboptimal as we need to unindex our buffers and convert the format of vertices.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. // https://github.com/ocornut/imgui, Original Allegro 5 code by @birthggd
// https://github.com/ocornut/imgui, Original code by @birthggd
// CHANGELOG // CHANGELOG
// (minor and older changes stripped away, please see git history for details) // (minor and older changes stripped away, please see git history for details)

5
examples/imgui_impl_allegro5.h
View File

@ -9,9 +9,8 @@
// [ ] Platform: Missing clipboard support via al_set_clipboard_text/al_clipboard_has_text. // [ ] Platform: Missing clipboard support via al_set_clipboard_text/al_clipboard_has_text.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp. // https://github.com/ocornut/imgui, Original Allegro 5 code by @birthggd
// https://github.com/ocornut/imgui, Original code by @birthggd
#pragma once #pragma once

3
examples/imgui_impl_dx10.cpp
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@ -6,8 +6,7 @@
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_dx10.h
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@ -6,8 +6,7 @@
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
struct ID3D10Device; struct ID3D10Device;

3
examples/imgui_impl_dx11.cpp
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@ -6,8 +6,7 @@
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_dx11.h
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@ -6,8 +6,7 @@
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
struct ID3D11Device; struct ID3D11Device;

3
examples/imgui_impl_dx12.cpp
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@ -7,8 +7,7 @@
// [ ] 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)). See github.com/ocornut/imgui/pull/301 // [ ] 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)). See github.com/ocornut/imgui/pull/301
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_dx12.h
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@ -7,8 +7,7 @@
// [ ] 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)). See github.com/ocornut/imgui/pull/301 // [ ] 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*)). See github.com/ocornut/imgui/pull/301
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
enum DXGI_FORMAT; enum DXGI_FORMAT;

3
examples/imgui_impl_dx9.cpp
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@ -5,8 +5,7 @@
// [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_dx9.h
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@ -5,8 +5,7 @@
// [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'LPDIRECT3DTEXTURE9' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
struct IDirect3DDevice9; struct IDirect3DDevice9;

3
examples/imgui_impl_freeglut.cpp
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@ -5,8 +5,7 @@
// [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I // [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_freeglut.h
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@ -5,8 +5,7 @@
// [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I // [ ] Platform: GLUT is unable to distinguish e.g. Backspace from CTRL+H or TAB from CTRL+I
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
IMGUI_IMPL_API bool ImGui_ImplFreeGLUT_Init(); IMGUI_IMPL_API bool ImGui_ImplFreeGLUT_Init();

3
examples/imgui_impl_glfw.cpp
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@ -10,8 +10,7 @@
// [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_glfw.h
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@ -10,8 +10,7 @@
// [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Platform: Multi-viewport support (multiple windows). Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// About GLSL version: // About GLSL version:

7
examples/imgui_impl_marmalade.cpp
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@ -1,16 +1,13 @@
// ImGui Renderer + Platform Binding for: Marmalade + IwGx // ImGui Renderer + Platform Binding for: Marmalade + IwGx
// Marmalade code: Copyright (C) 2015 by Giovanni Zito (this file is part of ImGui)
// Implemented features: // Implemented features:
// [X] Renderer: User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// Copyright (C) 2015 by Giovanni Zito
// This file is part of ImGui
// CHANGELOG // CHANGELOG
// (minor and older changes stripped away, please see git history for details) // (minor and older changes stripped away, please see git history for details)
// 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself. // 2018-02-16: Misc: Obsoleted the io.RenderDrawListsFn callback and exposed ImGui_Marmalade_RenderDrawData() in the .h file so you can call it yourself.

3
examples/imgui_impl_marmalade.h
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@ -4,8 +4,7 @@
// [X] Renderer: User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'CIwTexture*' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// Copyright (C) 2015 by Giovanni Zito // Copyright (C) 2015 by Giovanni Zito

27
examples/imgui_impl_metal.h Normal file
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@ -0,0 +1,27 @@
// ImGui Renderer for: Metal
// This needs to be used along with a Platform Binding (e.g. OSX)
// Implemented features:
// [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// Missing features:
// [ ] Renderer: Multi-viewport / platform windows.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui
@class MTLRenderPassDescriptor;
@protocol MTLDevice, MTLCommandBuffer, MTLRenderCommandEncoder;
IMGUI_IMPL_API bool ImGui_ImplMetal_Init(id<MTLDevice> device);
IMGUI_IMPL_API void ImGui_ImplMetal_Shutdown();
IMGUI_IMPL_API void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor *renderPassDescriptor);
IMGUI_IMPL_API void ImGui_ImplMetal_RenderDrawData(ImDrawData* draw_data,
id<MTLCommandBuffer> commandBuffer,
id<MTLRenderCommandEncoder> commandEncoder);
// Called by Init/NewFrame/Shutdown
IMGUI_IMPL_API bool ImGui_ImplMetal_CreateFontsTexture(id<MTLDevice> device);
IMGUI_IMPL_API void ImGui_ImplMetal_DestroyFontsTexture();
IMGUI_IMPL_API bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device);
IMGUI_IMPL_API void ImGui_ImplMetal_DestroyDeviceObjects();

519
examples/imgui_impl_metal.mm Normal file
View File

@ -0,0 +1,519 @@
// ImGui Renderer for: Metal
// This needs to be used along with a Platform Binding (e.g. OSX)
// Implemented features:
// [X] Renderer: User texture binding. Use 'MTLTexture' as ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// Missing features:
// [ ] Renderer: Multi-viewport / platform windows.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2018-07-05: Metal: Added new Metal backend implementation.
#include "imgui.h"
#include "imgui_impl_metal.h"
#import <Metal/Metal.h>
#import <QuartzCore/CAMetalLayer.h>
#import <simd/simd.h>
#pragma mark - Support classes
// A wrapper around a MTLBuffer object that knows the last time it was reused
@interface MetalBuffer : NSObject
@property (nonatomic, strong) id<MTLBuffer> buffer;
@property (nonatomic, assign) NSTimeInterval lastReuseTime;
- (instancetype)initWithBuffer:(id<MTLBuffer>)buffer;
@end
// An object that encapsulates the data necessary to uniquely identify a
// render pipeline state. These are used as cache keys.
@interface FramebufferDescriptor : NSObject<NSCopying>
@property (nonatomic, assign) unsigned long sampleCount;
@property (nonatomic, assign) MTLPixelFormat colorPixelFormat;
@property (nonatomic, assign) MTLPixelFormat depthPixelFormat;
@property (nonatomic, assign) MTLPixelFormat stencilPixelFormat;
- (instancetype)initWithRenderPassDescriptor:(MTLRenderPassDescriptor *)renderPassDescriptor;
@end
// A singleton that stores long-lived objects that are needed by the Metal
// renderer backend. Stores the render pipeline state cache and the default
// font texture, and manages the reusable buffer cache.
@interface MetalContext : NSObject
@property (nonatomic, strong) id<MTLDepthStencilState> depthStencilState;
@property (nonatomic, strong) FramebufferDescriptor *framebufferDescriptor; // framebuffer descriptor for current frame; transient
@property (nonatomic, strong) NSMutableDictionary *renderPipelineStateCache; // pipeline cache; keyed on framebuffer descriptors
@property (nonatomic, strong, nullable) id<MTLTexture> fontTexture;
@property (nonatomic, strong) NSMutableArray<MetalBuffer *> *bufferCache;
@property (nonatomic, assign) NSTimeInterval lastBufferCachePurge;
- (void)makeDeviceObjectsWithDevice:(id<MTLDevice>)device;
- (void)makeFontTextureWithDevice:(id<MTLDevice>)device;
- (MetalBuffer *)dequeueReusableBufferOfLength:(NSUInteger)length device:(id<MTLDevice>)device;
- (void)enqueueReusableBuffer:(MetalBuffer *)buffer;
- (id<MTLRenderPipelineState>)renderPipelineStateForFrameAndDevice:(id<MTLDevice>)device;
- (void)emptyRenderPipelineStateCache;
- (void)renderDrawData:(ImDrawData *)drawData
commandBuffer:(id<MTLCommandBuffer>)commandBuffer
commandEncoder:(id<MTLRenderCommandEncoder>)commandEncoder;
@end
static MetalContext *g_sharedMetalContext = nil;
#pragma mark - ImGui API implementation
bool ImGui_ImplMetal_Init(id<MTLDevice> device)
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
g_sharedMetalContext = [[MetalContext alloc] init];
});
ImGui_ImplMetal_CreateDeviceObjects(device);
return true;
}
void ImGui_ImplMetal_Shutdown()
{
ImGui_ImplMetal_DestroyDeviceObjects();
}
void ImGui_ImplMetal_NewFrame(MTLRenderPassDescriptor *renderPassDescriptor)
{
IM_ASSERT(g_sharedMetalContext != nil && "No Metal context. Did you call ImGui_ImplMetal_Init?");
g_sharedMetalContext.framebufferDescriptor = [[FramebufferDescriptor alloc] initWithRenderPassDescriptor:renderPassDescriptor];
}
// Metal Render function.
void ImGui_ImplMetal_RenderDrawData(ImDrawData* draw_data, id<MTLCommandBuffer> commandBuffer, id<MTLRenderCommandEncoder> commandEncoder)
{
[g_sharedMetalContext renderDrawData:draw_data commandBuffer:commandBuffer commandEncoder:commandEncoder];
}
bool ImGui_ImplMetal_CreateFontsTexture(id<MTLDevice> device)
{
[g_sharedMetalContext makeFontTextureWithDevice:device];
ImGuiIO& io = ImGui::GetIO();
io.Fonts->TexID = (__bridge void *)g_sharedMetalContext.fontTexture;
return (g_sharedMetalContext.fontTexture != nil);
}
void ImGui_ImplMetal_DestroyFontsTexture()
{
ImGuiIO& io = ImGui::GetIO();
g_sharedMetalContext.fontTexture = nil;
io.Fonts->TexID = nullptr;
}
bool ImGui_ImplMetal_CreateDeviceObjects(id<MTLDevice> device)
{
[g_sharedMetalContext makeDeviceObjectsWithDevice:device];
ImGui_ImplMetal_CreateFontsTexture(device);
return true;
}
void ImGui_ImplMetal_DestroyDeviceObjects()
{
ImGui_ImplMetal_DestroyFontsTexture();
[g_sharedMetalContext emptyRenderPipelineStateCache];
}
#pragma mark - MetalBuffer implementation
@implementation MetalBuffer
- (instancetype)initWithBuffer:(id<MTLBuffer>)buffer
{
if ((self = [super init]))
{
_buffer = buffer;
_lastReuseTime = [NSDate date].timeIntervalSince1970;
}
return self;
}
@end
#pragma mark - FramebufferDescriptor implementation
@implementation FramebufferDescriptor
- (instancetype)initWithRenderPassDescriptor:(MTLRenderPassDescriptor *)renderPassDescriptor
{
if ((self = [super init]))
{
_sampleCount = renderPassDescriptor.colorAttachments[0].texture.sampleCount;
_colorPixelFormat = renderPassDescriptor.colorAttachments[0].texture.pixelFormat;
_depthPixelFormat = renderPassDescriptor.depthAttachment.texture.pixelFormat;
_stencilPixelFormat = renderPassDescriptor.stencilAttachment.texture.pixelFormat;
}
return self;
}
- (nonnull id)copyWithZone:(nullable NSZone *)zone
{
FramebufferDescriptor *copy = [[FramebufferDescriptor allocWithZone:zone] init];
copy.sampleCount = self.sampleCount;
copy.colorPixelFormat = self.colorPixelFormat;
copy.depthPixelFormat = self.depthPixelFormat;
copy.stencilPixelFormat = self.stencilPixelFormat;
return copy;
}
- (NSUInteger)hash
{
NSUInteger sc = _sampleCount & 0x3;
NSUInteger cf = _colorPixelFormat & 0x3FF;
NSUInteger df = _depthPixelFormat & 0x3FF;
NSUInteger sf = _stencilPixelFormat & 0x3FF;
NSUInteger hash = (sf << 22) | (df << 12) | (cf << 2) | sc;
return hash;
}
- (BOOL)isEqual:(id)object
{
FramebufferDescriptor *other = object;
if (![other isKindOfClass:[FramebufferDescriptor class]])
return NO;
return other.sampleCount == self.sampleCount &&
other.colorPixelFormat == self.colorPixelFormat &&
other.depthPixelFormat == self.depthPixelFormat &&
other.stencilPixelFormat == self.stencilPixelFormat;
}
@end
#pragma mark - MetalContext implementation
@implementation MetalContext
- (instancetype)init {
if ((self = [super init]))
{
_renderPipelineStateCache = [NSMutableDictionary dictionary];
_bufferCache = [NSMutableArray array];
_lastBufferCachePurge = [NSDate date].timeIntervalSince1970;
}
return self;
}
- (void)makeDeviceObjectsWithDevice:(id<MTLDevice>)device
{
MTLDepthStencilDescriptor *depthStencilDescriptor = [[MTLDepthStencilDescriptor alloc] init];
depthStencilDescriptor.depthWriteEnabled = NO;
depthStencilDescriptor.depthCompareFunction = MTLCompareFunctionAlways;
self.depthStencilState = [device newDepthStencilStateWithDescriptor:depthStencilDescriptor];
}
// We are retrieving and uploading the font atlas as a 4-channels RGBA texture here.
// In theory we could call GetTexDataAsAlpha8() and upload a 1-channel texture to save on memory access bandwidth.
// However, using a shader designed for 1-channel texture would make it less obvious to use the ImTextureID facility to render users own textures.
// You can make that change in your implementation.
- (void)makeFontTextureWithDevice:(id<MTLDevice>)device
{
ImGuiIO &io = ImGui::GetIO();
unsigned char* pixels;
int width, height;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
MTLTextureDescriptor *textureDescriptor = [MTLTextureDescriptor texture2DDescriptorWithPixelFormat:MTLPixelFormatRGBA8Unorm
width:width
height:height
mipmapped:NO];
textureDescriptor.usage = MTLTextureUsageShaderRead;
#if TARGET_OS_OSX
textureDescriptor.storageMode = MTLStorageModeManaged;
#else
textureDescriptor.storageMode = MTLStorageModeShared;
#endif
id <MTLTexture> texture = [device newTextureWithDescriptor:textureDescriptor];
[texture replaceRegion:MTLRegionMake2D(0, 0, width, height) mipmapLevel:0 withBytes:pixels bytesPerRow:width * 4];
self.fontTexture = texture;
}
- (MetalBuffer *)dequeueReusableBufferOfLength:(NSUInteger)length device:(id<MTLDevice>)device
{
NSTimeInterval now = [NSDate date].timeIntervalSince1970;
// Purge old buffers that haven't been useful for a while
if (now - self.lastBufferCachePurge > 1.0)
{
NSMutableArray *survivors = [NSMutableArray array];
for (MetalBuffer *candidate in self.bufferCache)
{
if (candidate.lastReuseTime > self.lastBufferCachePurge)
{
[survivors addObject:candidate];
}
}
self.bufferCache = [survivors mutableCopy];
self.lastBufferCachePurge = now;
}
// See if we have a buffer we can reuse
MetalBuffer *bestCandidate = nil;
for (MetalBuffer *candidate in self.bufferCache)
if (candidate.buffer.length >= length && (bestCandidate == nil || bestCandidate.lastReuseTime > candidate.lastReuseTime))
bestCandidate = candidate;
if (bestCandidate != nil)
{
[self.bufferCache removeObject:bestCandidate];
bestCandidate.lastReuseTime = now;
return bestCandidate;
}
// No luck; make a new buffer
id<MTLBuffer> backing = [device newBufferWithLength:length options:MTLResourceStorageModeShared];
return [[MetalBuffer alloc] initWithBuffer:backing];
}
- (void)enqueueReusableBuffer:(MetalBuffer *)buffer
{
[self.bufferCache addObject:buffer];
}
- (_Nullable id<MTLRenderPipelineState>)renderPipelineStateForFrameAndDevice:(id<MTLDevice>)device
{
// Try to retrieve a render pipeline state that is compatible with the framebuffer config for this frame
// Thie hit rate for this cache should be very near 100%.
id<MTLRenderPipelineState> renderPipelineState = self.renderPipelineStateCache[self.framebufferDescriptor];
if (renderPipelineState == nil)
{
// No luck; make a new render pipeline state
renderPipelineState = [self _renderPipelineStateForFramebufferDescriptor:self.framebufferDescriptor device:device];
// Cache render pipeline state for later reuse
self.renderPipelineStateCache[self.framebufferDescriptor] = renderPipelineState;
}
return renderPipelineState;
}
- (id<MTLRenderPipelineState>)_renderPipelineStateForFramebufferDescriptor:(FramebufferDescriptor *)descriptor device:(id<MTLDevice>)device
{
NSError *error = nil;
NSString *shaderSource = @""
"#include <metal_stdlib>\n"
"using namespace metal;\n"
"\n"
"struct Uniforms {\n"
" float4x4 projectionMatrix;\n"
"};\n"
"\n"
"struct VertexIn {\n"
" float2 position [[attribute(0)]];\n"
" float2 texCoords [[attribute(1)]];\n"
" uchar4 color [[attribute(2)]];\n"
"};\n"
"\n"
"struct VertexOut {\n"
" float4 position [[position]];\n"
" float2 texCoords;\n"
" float4 color;\n"
"};\n"
"\n"
"vertex VertexOut vertex_main(VertexIn in [[stage_in]],\n"
" constant Uniforms &uniforms [[buffer(1)]]) {\n"
" VertexOut out;\n"
" out.position = uniforms.projectionMatrix * float4(in.position, 0, 1);\n"
" out.texCoords = in.texCoords;\n"
" out.color = float4(in.color) / float4(255.0);\n"
" return out;\n"
"}\n"
"\n"
"fragment half4 fragment_main(VertexOut in [[stage_in]],\n"
" texture2d<half, access::sample> texture [[texture(0)]]) {\n"
" constexpr sampler linearSampler(coord::normalized, min_filter::linear, mag_filter::linear, mip_filter::linear);\n"
" half4 texColor = texture.sample(linearSampler, in.texCoords);\n"
" return half4(in.color) * texColor;\n"
"}\n";
id<MTLLibrary> library = [device newLibraryWithSource:shaderSource options:nil error:&error];
if (library == nil)
{
NSLog(@"Error: failed to create Metal library: %@", error);
return nil;
}
id<MTLFunction> vertexFunction = [library newFunctionWithName:@"vertex_main"];
id<MTLFunction> fragmentFunction = [library newFunctionWithName:@"fragment_main"];
if (vertexFunction == nil || fragmentFunction == nil)
{
NSLog(@"Error: failed to find Metal shader functions in library: %@", error);
return nil;
}
MTLVertexDescriptor *vertexDescriptor = [MTLVertexDescriptor vertexDescriptor];
vertexDescriptor.attributes[0].offset = IM_OFFSETOF(ImDrawVert, pos);
vertexDescriptor.attributes[0].format = MTLVertexFormatFloat2; // position
vertexDescriptor.attributes[0].bufferIndex = 0;
vertexDescriptor.attributes[1].offset = IM_OFFSETOF(ImDrawVert, uv);
vertexDescriptor.attributes[1].format = MTLVertexFormatFloat2; // texCoords
vertexDescriptor.attributes[1].bufferIndex = 0;
vertexDescriptor.attributes[2].offset = IM_OFFSETOF(ImDrawVert, col);
vertexDescriptor.attributes[2].format = MTLVertexFormatUChar4; // color
vertexDescriptor.attributes[2].bufferIndex = 0;
vertexDescriptor.layouts[0].stepRate = 1;
vertexDescriptor.layouts[0].stepFunction = MTLVertexStepFunctionPerVertex;
vertexDescriptor.layouts[0].stride = sizeof(ImDrawVert);
MTLRenderPipelineDescriptor *pipelineDescriptor = [[MTLRenderPipelineDescriptor alloc] init];
pipelineDescriptor.vertexFunction = vertexFunction;
pipelineDescriptor.fragmentFunction = fragmentFunction;
pipelineDescriptor.vertexDescriptor = vertexDescriptor;
pipelineDescriptor.sampleCount = self.framebufferDescriptor.sampleCount;
pipelineDescriptor.colorAttachments[0].pixelFormat = self.framebufferDescriptor.colorPixelFormat;
pipelineDescriptor.colorAttachments[0].blendingEnabled = YES;
pipelineDescriptor.colorAttachments[0].rgbBlendOperation = MTLBlendOperationAdd;
pipelineDescriptor.colorAttachments[0].alphaBlendOperation = MTLBlendOperationAdd;
pipelineDescriptor.colorAttachments[0].sourceRGBBlendFactor = MTLBlendFactorSourceAlpha;
pipelineDescriptor.colorAttachments[0].sourceAlphaBlendFactor = MTLBlendFactorSourceAlpha;
pipelineDescriptor.colorAttachments[0].destinationRGBBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
pipelineDescriptor.colorAttachments[0].destinationAlphaBlendFactor = MTLBlendFactorOneMinusSourceAlpha;
pipelineDescriptor.depthAttachmentPixelFormat = self.framebufferDescriptor.depthPixelFormat;
pipelineDescriptor.stencilAttachmentPixelFormat = self.framebufferDescriptor.stencilPixelFormat;
id<MTLRenderPipelineState> renderPipelineState = [device newRenderPipelineStateWithDescriptor:pipelineDescriptor error:&error];
if (error != nil)
{
NSLog(@"Error: failed to create Metal pipeline state: %@", error);
}
return renderPipelineState;
}
- (void)emptyRenderPipelineStateCache
{
[self.renderPipelineStateCache removeAllObjects];
}
- (void)renderDrawData:(ImDrawData *)drawData
commandBuffer:(id<MTLCommandBuffer>)commandBuffer
commandEncoder:(id<MTLRenderCommandEncoder>)commandEncoder
{
// Avoid rendering when minimized, scale coordinates for retina displays (screen coordinates != framebuffer coordinates)
ImGuiIO &io = ImGui::GetIO();
int fb_width = (int)(drawData->DisplaySize.x * io.DisplayFramebufferScale.x);
int fb_height = (int)(drawData->DisplaySize.y * io.DisplayFramebufferScale.y);
if (fb_width <= 0 || fb_height <= 0 || drawData->CmdListsCount == 0)
return;
drawData->ScaleClipRects(io.DisplayFramebufferScale);
[commandEncoder setCullMode:MTLCullModeNone];
[commandEncoder setDepthStencilState:g_sharedMetalContext.depthStencilState];
// Setup viewport, orthographic projection matrix
// Our visible imgui space lies from draw_data->DisplayPps (top left) to
// draw_data->DisplayPos+data_data->DisplaySize (bottom right). DisplayMin is typically (0,0) for single viewport apps.
MTLViewport viewport =
{
.originX = 0.0,
.originY = 0.0,
.width = double(fb_width),
.height = double(fb_height),
.znear = 0.0,
.zfar = 1.0
};
[commandEncoder setViewport:viewport];
float L = drawData->DisplayPos.x;
float R = drawData->DisplayPos.x + drawData->DisplaySize.x;
float T = drawData->DisplayPos.y;
float B = drawData->DisplayPos.y + drawData->DisplaySize.y;
float N = viewport.znear;
float F = viewport.zfar;
const float ortho_projection[4][4] =
{
{ 2.0f/(R-L), 0.0f, 0.0f, 0.0f },
{ 0.0f, 2.0f/(T-B), 0.0f, 0.0f },
{ 0.0f, 0.0f, 1/(F-N), 0.0f },
{ (R+L)/(L-R), (T+B)/(B-T), N/(F-N), 1.0f },
};
[commandEncoder setVertexBytes:&ortho_projection length:sizeof(ortho_projection) atIndex:1];
size_t vertexBufferLength = 0;
size_t indexBufferLength = 0;
for (int n = 0; n < drawData->CmdListsCount; n++)
{
const ImDrawList* cmd_list = drawData->CmdLists[n];
vertexBufferLength += cmd_list->VtxBuffer.Size * sizeof(ImDrawVert);
indexBufferLength += cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx);
}
MetalBuffer *vertexBuffer = [self dequeueReusableBufferOfLength:vertexBufferLength device:commandBuffer.device];
MetalBuffer *indexBuffer = [self dequeueReusableBufferOfLength:indexBufferLength device:commandBuffer.device];
id<MTLRenderPipelineState> renderPipelineState = [self renderPipelineStateForFrameAndDevice:commandBuffer.device];
[commandEncoder setRenderPipelineState:renderPipelineState];
[commandEncoder setVertexBuffer:vertexBuffer.buffer offset:0 atIndex:0];
size_t vertexBufferOffset = 0;
size_t indexBufferOffset = 0;
ImVec2 pos = drawData->DisplayPos;
for (int n = 0; n < drawData->CmdListsCount; n++)
{
const ImDrawList* cmd_list = drawData->CmdLists[n];
ImDrawIdx idx_buffer_offset = 0;
memcpy((char *)vertexBuffer.buffer.contents + vertexBufferOffset, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
memcpy((char *)indexBuffer.buffer.contents + indexBufferOffset, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
[commandEncoder setVertexBufferOffset:vertexBufferOffset atIndex:0];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
{
// User callback (registered via ImDrawList::AddCallback)
pcmd->UserCallback(cmd_list, pcmd);
}
else
{
ImVec4 clip_rect = ImVec4(pcmd->ClipRect.x - pos.x, pcmd->ClipRect.y - pos.y, pcmd->ClipRect.z - pos.x, pcmd->ClipRect.w - pos.y);
if (clip_rect.x < fb_width && clip_rect.y < fb_height && clip_rect.z >= 0.0f && clip_rect.w >= 0.0f)
{
// Apply scissor/clipping rectangle
MTLScissorRect scissorRect = { .x = NSUInteger(clip_rect.x),
.y = NSUInteger(clip_rect.y),
.width = NSUInteger(clip_rect.z - clip_rect.x),
.height = NSUInteger(clip_rect.w - clip_rect.y) };
[commandEncoder setScissorRect:scissorRect];
// Bind texture, Draw
if (pcmd->TextureId != NULL)
[commandEncoder setFragmentTexture:(__bridge id<MTLTexture>)(pcmd->TextureId) atIndex:0];
[commandEncoder drawIndexedPrimitives:MTLPrimitiveTypeTriangle
indexCount:pcmd->ElemCount
indexType:sizeof(ImDrawIdx) == 2 ? MTLIndexTypeUInt16 : MTLIndexTypeUInt32
indexBuffer:indexBuffer.buffer
indexBufferOffset:indexBufferOffset + idx_buffer_offset];
}
}
idx_buffer_offset += pcmd->ElemCount * sizeof(ImDrawIdx);
}
vertexBufferOffset += cmd_list->VtxBuffer.Size * sizeof(ImDrawVert);
indexBufferOffset += cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx);
}
__weak id weakSelf = self;
[commandBuffer addCompletedHandler:^(id<MTLCommandBuffer>)
{
dispatch_async(dispatch_get_main_queue(), ^{
[weakSelf enqueueReusableBuffer:vertexBuffer];
[weakSelf enqueueReusableBuffer:indexBuffer];
});
}];
}
@end

4
examples/imgui_impl_opengl2.cpp
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@ -5,6 +5,10 @@
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui
// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** // **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)**
// **Prefer using the code in imgui_impl_opengl3.cpp** // **Prefer using the code in imgui_impl_opengl3.cpp**
// This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read. // This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read.

4
examples/imgui_impl_opengl2.h
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@ -5,6 +5,10 @@
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui
// **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)** // **DO NOT USE THIS CODE IF YOUR CODE/ENGINE IS USING MODERN OPENGL (SHADERS, VBO, VAO, etc.)**
// **Prefer using the code in imgui_impl_opengl3.cpp** // **Prefer using the code in imgui_impl_opengl3.cpp**
// This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read. // This code is mostly provided as a reference to learn how ImGui integration works, because it is shorter to read.

4
examples/imgui_impl_opengl3.cpp
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@ -6,6 +6,10 @@
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG
// (minor and older changes stripped away, please see git history for details) // (minor and older changes stripped away, please see git history for details)
// 2018-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface. // 2018-XX-XX: Platform: Added support for multiple windows via the ImGuiPlatformIO interface.

4
examples/imgui_impl_opengl3.h
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@ -6,6 +6,10 @@
// [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp. // [X] Renderer: User texture binding. Use 'GLuint' OpenGL texture identifier as void*/ImTextureID. Read the FAQ about ImTextureID in imgui.cpp.
// [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'. // [X] Renderer: Multi-viewport support. Enable with 'io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable'.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui
// About GLSL version: // About GLSL version:
// The 'glsl_version' initialization parameter defaults to "#version 150" if NULL. // The 'glsl_version' initialization parameter defaults to "#version 150" if NULL.
// Only override if your GL version doesn't handle this GLSL version. Keep NULL if unsure! // Only override if your GL version doesn't handle this GLSL version. Keep NULL if unsure!

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examples/imgui_impl_osx.h Normal file
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@ -0,0 +1,16 @@
// ImGui Platform Binding for: OSX / Cocoa
// This needs to be used along with a Renderer (e.g. OpenGL2, OpenGL3, Vulkan, Metal..)
// [BETA] Beta bindings, not well tested. If you want a portable application, prefer using the Glfw or SDL platform bindings on Mac.
// Issues:
// [ ] Platform: Keys are all generally very broken. Best using [event keycode] and not [event characters]..
// [ ] Platform: Mouse cursor shapes and visibility are not supported (see end of https://github.com/glfw/glfw/issues/427)
// [ ] Platform: Multi-viewport / platform windows.
@class NSEvent;
@class NSView;
IMGUI_API bool ImGui_ImplOSX_Init();
IMGUI_API void ImGui_ImplOSX_Shutdown();
IMGUI_API void ImGui_ImplOSX_NewFrame(NSView *_Nonnull view);
IMGUI_API bool ImGui_ImplOSX_HandleEvent(NSEvent *_Nonnull event, NSView *_Nullable view);

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examples/imgui_impl_osx.mm Normal file
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@ -0,0 +1,239 @@
// ImGui Platform Binding for: OSX / Cocoa
// This needs to be used along with a Renderer (e.g. OpenGL2, OpenGL3, Vulkan, Metal..)
// [BETA] Beta bindings, not well tested. If you want a portable application, prefer using the Glfw or SDL platform bindings on Mac.
// Issues:
// [ ] Platform: Keys are all generally very broken. Best using [event keycode] and not [event characters]..
// [ ] Platform: Mouse cursor shapes and visibility are not supported (see end of https://github.com/glfw/glfw/issues/427)
// [ ] Platform: Multi-viewport / platform windows.
#include "imgui.h"
#include "imgui_impl_osx.h"
#import <Cocoa/Cocoa.h>
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2018-07-07: Initial version.
// Data
static clock_t g_Time = 0;
// Functions
bool ImGui_ImplOSX_Init()
{
ImGuiIO& io = ImGui::GetIO();
// Setup back-end capabilities flags
//io.BackendFlags |= ImGuiBackendFlags_HasMouseCursors; // We can honor GetMouseCursor() values (optional)
//io.BackendFlags |= ImGuiBackendFlags_HasSetMousePos; // We can honor io.WantSetMousePos requests (optional, rarely used)
//io.BackendFlags |= ImGuiBackendFlags_PlatformHasViewports; // We can create multi-viewports on the Platform side (optional)
//io.BackendFlags |= ImGuiBackendFlags_HasMouseHoveredViewport; // We can set io.MouseHoveredViewport correctly (optional, not easy)
// Keyboard mapping. ImGui will use those indices to peek into the io.KeyDown[] array.
const int offset_for_function_keys = 256 - 0xF700;
io.KeyMap[ImGuiKey_Tab] = '\t';
io.KeyMap[ImGuiKey_LeftArrow] = NSLeftArrowFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_RightArrow] = NSRightArrowFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_UpArrow] = NSUpArrowFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_DownArrow] = NSDownArrowFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_PageUp] = NSPageUpFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_PageDown] = NSPageDownFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_Home] = NSHomeFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_End] = NSEndFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_Insert] = NSInsertFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_Delete] = NSDeleteFunctionKey + offset_for_function_keys;
io.KeyMap[ImGuiKey_Backspace] = 127;
io.KeyMap[ImGuiKey_Space] = 32;
io.KeyMap[ImGuiKey_Enter] = 13;
io.KeyMap[ImGuiKey_Escape] = 27;
io.KeyMap[ImGuiKey_A] = 'A';
io.KeyMap[ImGuiKey_C] = 'C';
io.KeyMap[ImGuiKey_V] = 'V';
io.KeyMap[ImGuiKey_X] = 'X';
io.KeyMap[ImGuiKey_Y] = 'Y';
io.KeyMap[ImGuiKey_Z] = 'Z';
io.SetClipboardTextFn = [](void*, const char* str) -> void
{
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
[pasteboard declareTypes:[NSArray arrayWithObject:NSPasteboardTypeString] owner:nil];
[pasteboard setString:[NSString stringWithUTF8String:str] forType:NSPasteboardTypeString];
};
io.GetClipboardTextFn = [](void*) -> const char*
{
NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
NSString* available = [pasteboard availableTypeFromArray: [NSArray arrayWithObject:NSPasteboardTypeString]];
if (![available isEqualToString:NSPasteboardTypeString])
return NULL;
NSString* string = [pasteboard stringForType:NSPasteboardTypeString];
if (string == nil)
return NULL;
const char* string_c = (const char*)[string UTF8String];
size_t string_len = strlen(string_c);
static ImVector<char> s_clipboard;
s_clipboard.resize((int)string_len + 1);
strcpy(s_clipboard.Data, string_c);
return s_clipboard.Data;
};
return true;
}
void ImGui_ImplOSX_Shutdown()
{
}
void ImGui_ImplOSX_NewFrame(NSView* view)
{
// Setup display size
ImGuiIO& io = ImGui::GetIO();
const float dpi = [view.window backingScaleFactor];
io.DisplaySize = ImVec2((float)view.bounds.size.width, (float)view.bounds.size.height);
io.DisplayFramebufferScale = ImVec2(dpi, dpi);
// Setup time step
if (g_Time == 0)
g_Time = clock();
clock_t current_time = clock();
io.DeltaTime = (double)(current_time - g_Time) / CLOCKS_PER_SEC;
g_Time = current_time;
}
static int mapCharacterToKey(int c)
{
if (c >= 'a' && c <= 'z')
return c - 'a' + 'A';
if (c == 25) // SHIFT+TAB -> TAB
return 9;
if (c >= 0 && c < 256)
return c;
if (c >= 0xF700 && c < 0xF700 + 256)
return c - 0xF700 + 256;
return -1;
}
static void resetKeys()
{
ImGuiIO& io = ImGui::GetIO();
for (int n = 0; n < IM_ARRAYSIZE(io.KeysDown); n++)
io.KeysDown[n] = false;
}
bool ImGui_ImplOSX_HandleEvent(NSEvent* event, NSView* view)
{
ImGuiIO& io = ImGui::GetIO();
if (event.type == NSEventTypeLeftMouseDown || event.type == NSEventTypeRightMouseDown || event.type == NSEventTypeOtherMouseDown)
{
int button = (int)[event buttonNumber];
if (button >= 0 && button < IM_ARRAYSIZE(io.MouseDown))
io.MouseDown[button] = true;
return io.WantCaptureMouse;
}
if (event.type == NSEventTypeLeftMouseUp || event.type == NSEventTypeRightMouseUp || event.type == NSEventTypeOtherMouseUp)
{
int button = (int)[event buttonNumber];
if (button >= 0 && button < IM_ARRAYSIZE(io.MouseDown))
io.MouseDown[button] = false;
return io.WantCaptureMouse;
}
if (event.type == NSEventTypeMouseMoved || event.type == NSEventTypeLeftMouseDragged)
{
NSPoint mousePoint = event.locationInWindow;
mousePoint = [view convertPoint:mousePoint fromView:nil];
mousePoint = NSMakePoint(mousePoint.x, view.bounds.size.height - mousePoint.y);
io.MousePos = ImVec2(mousePoint.x, mousePoint.y);
}
if (event.type == NSEventTypeScrollWheel)
{
double wheel_dx = 0.0;
double wheel_dy = 0.0;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
{
wheel_dx = [event scrollingDeltaX];
wheel_dy = [event scrollingDeltaY];
if ([event hasPreciseScrollingDeltas])
{
wheel_dx *= 0.1;
wheel_dy *= 0.1;
}
}
else
#endif /*MAC_OS_X_VERSION_MAX_ALLOWED*/
{
wheel_dx = [event deltaX];
wheel_dy = [event deltaY];
}
if (fabs(wheel_dx) > 0.0)
io.MouseWheelH += wheel_dx * 0.1f;
if (fabs(wheel_dy) > 0.0)
io.MouseWheel += wheel_dy * 0.1f;
return io.WantCaptureMouse;
}
// FIXME: All the key handling is wrong and broken. Refer to GLFW's cocoa_init.mm and cocoa_window.mm.
if (event.type == NSEventTypeKeyDown)
{
NSString* str = [event characters];
int len = (int)[str length];
for (int i = 0; i < len; i++)
{
int c = [str characterAtIndex:i];
if (c < 0xF700 && !io.KeyCtrl)
io.AddInputCharacter(c);
// We must reset in case we're pressing a sequence of special keys while keeping the command pressed
int key = mapCharacterToKey(c);
if (key != -1 && key < 256 && !io.KeyCtrl)
resetKeys();
if (key != -1)
io.KeysDown[key] = true;
}
return io.WantCaptureKeyboard;
}
if (event.type == NSEventTypeKeyUp)
{
NSString* str = [event characters];
int len = (int)[str length];
for (int i = 0; i < len; i++)
{
int c = [str characterAtIndex:i];
int key = mapCharacterToKey(c);
if (key != -1)
io.KeysDown[key] = false;
}
return io.WantCaptureKeyboard;
}
if (event.type == NSEventTypeFlagsChanged)
{
ImGuiIO& io = ImGui::GetIO();
unsigned int flags = [event modifierFlags] & NSEventModifierFlagDeviceIndependentFlagsMask;
bool oldKeyCtrl = io.KeyCtrl;
bool oldKeyShift = io.KeyShift;
bool oldKeyAlt = io.KeyAlt;
bool oldKeySuper = io.KeySuper;
io.KeyCtrl = flags & NSEventModifierFlagControl;
io.KeyShift = flags & NSEventModifierFlagShift;
io.KeyAlt = flags & NSEventModifierFlagOption;
io.KeySuper = flags & NSEventModifierFlagCommand;
// We must reset them as we will not receive any keyUp event if they where pressed with a modifier
if ((oldKeyShift && !io.KeyShift) || (oldKeyCtrl && !io.KeyCtrl) || (oldKeyAlt && !io.KeyAlt) || (oldKeySuper && !io.KeySuper))
resetKeys();
return io.WantCaptureKeyboard;
}
return false;
}

3
examples/imgui_impl_sdl.cpp
View File

@ -11,8 +11,7 @@
// [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME. // [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_sdl.h
View File

@ -11,8 +11,7 @@
// [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME. // [ ] Platform: SDL2 handling of IME under Windows appears to be broken and it explicitly disable the regular Windows IME. You can restore Windows IME by compiling SDL with SDL_DISABLE_WINDOWS_IME.
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 4 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXXX_NewFrame(), ImGui::Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
struct SDL_Window; struct SDL_Window;

3
examples/imgui_impl_vulkan.cpp
View File

@ -6,8 +6,7 @@
// [ ] Renderer: User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 // [ ] Renderer: User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
// CHANGELOG // CHANGELOG

3
examples/imgui_impl_vulkan.h
View File

@ -6,8 +6,7 @@
// [ ] Renderer: User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914 // [ ] Renderer: User texture binding. Changes of ImTextureID aren't supported by this binding! See https://github.com/ocornut/imgui/pull/914
// You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this. // You can copy and use unmodified imgui_impl_* files in your project. See main.cpp for an example of using this.
// If you use this binding you'll need to call 5 functions: ImGui_ImplXXXX_Init(), ImGui_ImplXXX_CreateFontsTexture(), ImGui_ImplXXXX_NewFrame(), ImGui_ImplXXXX_Render() and ImGui_ImplXXXX_Shutdown(). // If you are new to dear imgui, read examples/README.txt and read the documentation at the top of imgui.cpp.
// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
// https://github.com/ocornut/imgui // https://github.com/ocornut/imgui
#include <vulkan/vulkan.h> #include <vulkan/vulkan.h>

206
imgui.cpp
View File

@ -120,34 +120,73 @@
- Refer to the bindings and demo applications in the examples/ folder for instruction on how to setup your code. - Refer to the bindings and demo applications in the examples/ folder for instruction on how to setup your code.
THIS IS HOW A SIMPLE APPLICATION MAY LOOK LIKE THIS IS HOW A SIMPLE APPLICATION MAY LOOK LIKE
EXHIBIT 1: USING THE EXAMPLE BINDINGS (imgui_impl_XXX.cpp files from the examples/ folder)
// Application init // Application init: create a dear imgui context, setup some options, load fonts
// Create a context
ImGui::CreateContext(); ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); ImGuiIO& io = ImGui::GetIO();
// TODO: Set optional io.ConfigFlags values, e.g. 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard' to enable keyboard controls
// TODO: Fill optional settings of the io structure later. // TODO: Fill optional settings of the io structure later.
// TODO: Load fonts if you don't want to use the default font. // TODO: Load TTF/OTF fonts if you don't want to use the default font.
// Initialize helper Platform and Renderer bindings (here we are using imgui_impl_win32 and imgui_impl_dx11)
ImGui_ImplWin32_Init(hwnd);
ImGui_ImplDX11_Init(g_pd3dDevice, g_pd3dDeviceContext);
// Application main loop
while (true)
{
// Feed inputs to dear imgui, start new frame
ImGui_ImplDX11_NewFrame();
ImGui_ImplWin32_NewFrame();
ImGui::NewFrame();
// Any application code here
ImGui::Text("Hello, world!");
// Render dear imgui into screen
ImGui::Render();
ImGui_ImplDX11_RenderDrawData(ImGui::GetDrawData());
g_pSwapChain->Present(1, 0);
}
// Shutdown
ImGui_ImplDX11_Shutdown();
ImGui_ImplWin32_Shutdown();
ImGui::DestroyContext();
THIS IS HOW A SIMPLE APPLICATION MAY LOOK LIKE
EXHIBIT 2: IMPLEMENTING CUSTOM BINDING / CUSTOM ENGINE
// Application init: create a dear imgui context, setup some options, load fonts
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
// TODO: Set optional io.ConfigFlags values, e.g. 'io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard' to enable keyboard controls
// TODO: Fill optional settings of the io structure later.
// TODO: Load TTF/OTF fonts if you don't want to use the default font.
// Build and load the texture atlas into a texture // Build and load the texture atlas into a texture
unsigned char* pixels = NULL; // (In the examples/ app this is usually done within the ImGui_ImplXXX_Init() function from one of the demo Renderer)
int width, height; int width, height;
unsigned char* pixels = NULL;
io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height); io.Fonts->GetTexDataAsRGBA32(&pixels, &width, &height);
// At this point you've got the texture data and you need to upload that your your graphic system: // At this point you've got the texture data and you need to upload that your your graphic system:
// After we have created the texture, store its pointer/identifier (_in whichever format your engine uses_) in 'io.Fonts->TexID'.
// This will be passed back to your via the renderer. Basically ImTextureID == void*. Read FAQ below for details about ImTextureID.
MyTexture* texture = MyEngine::CreateTextureFromMemoryPixels(pixels, width, height, TEXTURE_TYPE_RGBA32) MyTexture* texture = MyEngine::CreateTextureFromMemoryPixels(pixels, width, height, TEXTURE_TYPE_RGBA32)
// Store your texture pointer/identifier (in whatever formatyour engine uses) in 'io.Fonts->TexID'.
// This will be passed back to your via the renderer. Read FAQ for details about ImTextureID.
io.Fonts->TexID = (void*)texture; io.Fonts->TexID = (void*)texture;
// Application main loop // Application main loop
while (true) while (true)
{ {
// Setup low-level inputs (e.g. on Win32, GetKeyboardState(), or write to those fields from your Windows message loop handlers, etc.) // Setup low-level inputs, e.g. on Win32: calling GetKeyboardState(), or write to those fields from your Windows message handlers, etc.
ImGuiIO& io = ImGui::GetIO(); // (In the examples/ app this is usually done within the ImGui_ImplXXX_NewFrame() function from one of the demo Platform bindings)
io.DeltaTime = 1.0f/60.0f; io.DeltaTime = 1.0f/60.0f; // set the time elapsed since the previous frame (in seconds)
io.DisplaySize.x = 1920.0f; io.DisplaySize.x = 1920.0f; // set the current display width
io.DisplaySize.y = 1280.0f; io.DisplaySize.y = 1280.0f; // set the current display height here
io.MousePos = my_mouse_pos; io.MousePos = my_mouse_pos; // set the mouse position
io.MouseDown[0] = my_mouse_buttons[0]; io.MouseDown[0] = my_mouse_buttons[0]; // set the mouse button states
io.MouseDown[1] = my_mouse_buttons[1]; io.MouseDown[1] = my_mouse_buttons[1];
// Call NewFrame(), after this point you can use ImGui::* functions anytime // Call NewFrame(), after this point you can use ImGui::* functions anytime
@ -163,7 +202,8 @@
// (You want to try calling EndFrame/Render as late as you can, to be able to use imgui in your own game rendering code) // (You want to try calling EndFrame/Render as late as you can, to be able to use imgui in your own game rendering code)
ImGui::EndFrame(); ImGui::EndFrame();
ImGui::Render(); ImGui::Render();
MyImGuiRenderFunction(ImGui::GetDrawData()); ImDrawData* draw_data = ImGui::GetDrawData();
MyImGuiRenderFunction(draw_data);
SwapBuffers(); SwapBuffers();
} }
@ -276,7 +316,7 @@
- 2018/XX/XX (1.XX) - Moved IME support functions from io.ImeSetInputScreenPosFn, io.ImeWindowHandle to the PlatformIO api. - 2018/XX/XX (1.XX) - Moved IME support functions from io.ImeSetInputScreenPosFn, io.ImeWindowHandle to the PlatformIO api.
- 2018/XX/XX (1.XX) - removed io.DisplayVisibleMin, io.DisplayVisibleMax settings (it was used to clip within the DisplayMin..DisplayMax range, I don't know of anyone using it) - 2018/XX/XX (1.XX) - removed io.DisplayVisibleMin, io.DisplayVisibleMax settings (it was used to clip within the DisplayMin..DisplayMax range, I don't know of anyone using it)
- 2018/07/06 (1.63) - removed per-window ImGuiWindowFlags_ResizeFromAnySide beta flag in favor of a global io.OptResizeWindowsFromEdges to enable the feature.
- 2018/06/06 (1.62) - renamed GetGlyphRangesChinese() to GetGlyphRangesChineseFull() to distinguish other variants and discourage using the full set. - 2018/06/06 (1.62) - renamed GetGlyphRangesChinese() to GetGlyphRangesChineseFull() to distinguish other variants and discourage using the full set.
- 2018/06/06 (1.62) - TreeNodeEx()/TreeNodeBehavior(): the ImGuiTreeNodeFlags_CollapsingHeader helper now include the ImGuiTreeNodeFlags_NoTreePushOnOpen flag. See Changelog for details. - 2018/06/06 (1.62) - TreeNodeEx()/TreeNodeBehavior(): the ImGuiTreeNodeFlags_CollapsingHeader helper now include the ImGuiTreeNodeFlags_NoTreePushOnOpen flag. See Changelog for details.
- 2018/05/03 (1.61) - DragInt(): the default compile-time format string has been changed from "%.0f" to "%d", as we are not using integers internally any more. - 2018/05/03 (1.61) - DragInt(): the default compile-time format string has been changed from "%.0f" to "%d", as we are not using integers internally any more.
@ -857,6 +897,8 @@ static bool DataTypeApplyOpFromText(const char* buf, const char* ini
namespace ImGui namespace ImGui
{ {
static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags);
static void NavUpdate(); static void NavUpdate();
static void NavUpdateWindowing(); static void NavUpdateWindowing();
static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, const ImGuiID id); static void NavProcessItem(ImGuiWindow* window, const ImRect& nav_bb, const ImGuiID id);
@ -2274,7 +2316,7 @@ void ImGui::MarkItemValueChanged(ImGuiID id)
// ActiveId might have been released by the time we call this (as in the typical press/release button behavior) but still need need to fill the data. // ActiveId might have been released by the time we call this (as in the typical press/release button behavior) but still need need to fill the data.
(void)id; // Avoid unused variable warnings when asserts are compiled out. (void)id; // Avoid unused variable warnings when asserts are compiled out.
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
IM_ASSERT(g.ActiveId == id || g.ActiveId == 0); IM_ASSERT(g.ActiveId == id || g.ActiveId == 0 || g.DragDropActive);
g.ActiveIdValueChanged = true; g.ActiveIdValueChanged = true;
} }
@ -4113,11 +4155,15 @@ void ImGui::NewFrame()
for (int n = 0; n < ImGuiKey_COUNT; n++) for (int n = 0; n < ImGuiKey_COUNT; n++)
IM_ASSERT(g.IO.KeyMap[n] >= -1 && g.IO.KeyMap[n] < IM_ARRAYSIZE(g.IO.KeysDown) && "io.KeyMap[] contains an out of bound value (need to be 0..512, or -1 for unmapped key)"); IM_ASSERT(g.IO.KeyMap[n] >= -1 && g.IO.KeyMap[n] < IM_ARRAYSIZE(g.IO.KeysDown) && "io.KeyMap[] contains an out of bound value (need to be 0..512, or -1 for unmapped key)");
// Perform simple check for required key mapping (we intentionally do NOT check all keys to not pressure user into setting up everything, but Space is required and was only recently added in 1.60 WIP) // Perform simple check: required key mapping (we intentionally do NOT check all keys to not pressure user into setting up everything, but Space is required and was only recently added in 1.60 WIP)
if (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard) if (g.IO.ConfigFlags & ImGuiConfigFlags_NavEnableKeyboard)
IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation."); IM_ASSERT(g.IO.KeyMap[ImGuiKey_Space] != -1 && "ImGuiKey_Space is not mapped, required for keyboard navigation.");
// Perform simple checks for multi-viewport and platform windows support // Perform simple check: the beta io.OptResizeWindowsFromEdges option requires back-end to honor mouse cursor changes and set the ImGuiBackendFlags_HasMouseCursors flag accordingly.
if (g.IO.OptResizeWindowsFromEdges && !(g.IO.BackendFlags & ImGuiBackendFlags_HasMouseCursors))
g.IO.OptResizeWindowsFromEdges = false;
// Perform simple checks: multi-viewport and platform windows support
if (g.IO.ConfigFlags & ImGuiConfigFlags_ViewportsEnable) if (g.IO.ConfigFlags & ImGuiConfigFlags_ViewportsEnable)
{ {
if ((g.IO.BackendFlags & ImGuiBackendFlags_PlatformHasViewports) && (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasViewports)) if ((g.IO.BackendFlags & ImGuiBackendFlags_PlatformHasViewports) && (g.IO.BackendFlags & ImGuiBackendFlags_RendererHasViewports))
@ -6060,45 +6106,47 @@ bool ImGui::BeginPopupContextVoid(const char* str_id, int mouse_button)
return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings); return BeginPopupEx(id, ImGuiWindowFlags_AlwaysAutoResize|ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoSavedSettings);
} }
static bool BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags extra_flags) static bool ImGui::BeginChildEx(const char* name, ImGuiID id, const ImVec2& size_arg, bool border, ImGuiWindowFlags flags)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
ImGuiWindow* parent_window = ImGui::GetCurrentWindow(); ImGuiWindow* parent_window = g.CurrentWindow;
ImGuiWindowFlags flags = ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
flags |= ImGuiWindowFlags_NoTitleBar|ImGuiWindowFlags_NoResize|ImGuiWindowFlags_NoSavedSettings|ImGuiWindowFlags_ChildWindow;
flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove); // Inherit the NoMove flag flags |= (parent_window->Flags & ImGuiWindowFlags_NoMove); // Inherit the NoMove flag
const ImVec2 content_avail = ImGui::GetContentRegionAvail(); // Size
const ImVec2 content_avail = GetContentRegionAvail();
ImVec2 size = ImFloor(size_arg); ImVec2 size = ImFloor(size_arg);
const int auto_fit_axises = ((size.x == 0.0f) ? (1 << ImGuiAxis_X) : 0x00) | ((size.y == 0.0f) ? (1 << ImGuiAxis_Y) : 0x00); const int auto_fit_axises = ((size.x == 0.0f) ? (1 << ImGuiAxis_X) : 0x00) | ((size.y == 0.0f) ? (1 << ImGuiAxis_Y) : 0x00);
if (size.x <= 0.0f) if (size.x <= 0.0f)
size.x = ImMax(content_avail.x + size.x, 4.0f); // Arbitrary minimum child size (0.0f causing too much issues) size.x = ImMax(content_avail.x + size.x, 4.0f); // Arbitrary minimum child size (0.0f causing too much issues)
if (size.y <= 0.0f) if (size.y <= 0.0f)
size.y = ImMax(content_avail.y + size.y, 4.0f); size.y = ImMax(content_avail.y + size.y, 4.0f);
SetNextWindowSize(size);
const float backup_border_size = g.Style.ChildBorderSize; // Name
if (!border)
g.Style.ChildBorderSize = 0.0f;
flags |= extra_flags;
char title[256]; char title[256];
if (name) if (name)
ImFormatString(title, IM_ARRAYSIZE(title), "%s/%s", parent_window->Name, name); ImFormatString(title, IM_ARRAYSIZE(title), "%s/%s", parent_window->Name, name);
else else
ImFormatString(title, IM_ARRAYSIZE(title), "%s/%08X", parent_window->Name, id); ImFormatString(title, IM_ARRAYSIZE(title), "%s/%08X", parent_window->Name, id);
ImGui::SetNextWindowSize(size); const float backup_border_size = g.Style.ChildBorderSize;
bool ret = ImGui::Begin(title, NULL, flags); if (!border)
ImGuiWindow* child_window = ImGui::GetCurrentWindow(); g.Style.ChildBorderSize = 0.0f;
child_window->ChildId = id; bool ret = Begin(title, NULL, flags);
child_window->AutoFitChildAxises = auto_fit_axises;
g.Style.ChildBorderSize = backup_border_size; g.Style.ChildBorderSize = backup_border_size;
ImGuiWindow* child_window = g.CurrentWindow;
child_window->ChildId = id;
child_window->AutoFitChildAxises = auto_fit_axises;
// Process navigation-in immediately so NavInit can run on first frame // Process navigation-in immediately so NavInit can run on first frame
if (!(flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayerActiveMask != 0 || child_window->DC.NavHasScroll) && g.NavActivateId == id) if (g.NavActivateId == id && !(flags & ImGuiWindowFlags_NavFlattened) && (child_window->DC.NavLayerActiveMask != 0 || child_window->DC.NavHasScroll))
{ {
ImGui::FocusWindow(child_window); FocusWindow(child_window);
ImGui::NavInitWindow(child_window, false); NavInitWindow(child_window, false);
ImGui::SetActiveID(id+1, child_window); // Steal ActiveId with a dummy id so that key-press won't activate child item SetActiveID(id+1, child_window); // Steal ActiveId with a dummy id so that key-press won't activate child item
g.ActiveIdSource = ImGuiInputSource_Nav; g.ActiveIdSource = ImGuiInputSource_Nav;
} }
@ -6443,8 +6491,10 @@ static ImVec2 CalcSizeAutoFit(ImGuiWindow* window, const ImVec2& size_contents)
else else
{ {
// Maximum window size is determined by the viewport size or monitor size // Maximum window size is determined by the viewport size or monitor size
ImVec2 size_min(0.0f, 0.0f); const bool is_popup = (window->Flags & ImGuiWindowFlags_Popup) != 0 && (window->Flags & ImGuiWindowFlags_AlwaysAutoResize) != 0;
if (!(window->Flags & ImGuiWindowFlags_ChildMenu)) const bool is_menu = (window->Flags & ImGuiWindowFlags_ChildMenu) != 0;
ImVec2 size_min(1.0f, 1.0f);
if (!is_popup && !is_menu)
size_min = style.WindowMinSize; size_min = style.WindowMinSize;
ImVec2 avail_size = window->Viewport->Size; ImVec2 avail_size = window->Viewport->Size;
if (window->ViewportOwned) if (window->ViewportOwned)
@ -6703,7 +6753,7 @@ static void ImGui::UpdateManualResize(ImGuiWindow* window, const ImVec2& size_au
if ((flags & ImGuiWindowFlags_NoResize) || (flags & ImGuiWindowFlags_AlwaysAutoResize) || window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0) if ((flags & ImGuiWindowFlags_NoResize) || (flags & ImGuiWindowFlags_AlwaysAutoResize) || window->AutoFitFramesX > 0 || window->AutoFitFramesY > 0)
return; return;
const int resize_border_count = (flags & ImGuiWindowFlags_ResizeFromAnySide) ? 4 : 0; const int resize_border_count = g.IO.OptResizeWindowsFromEdges ? 4 : 0;
const float grip_draw_size = (float)(int)ImMax(g.FontSize * 1.35f, window->WindowRounding + 1.0f + g.FontSize * 0.2f); const float grip_draw_size = (float)(int)ImMax(g.FontSize * 1.35f, window->WindowRounding + 1.0f + g.FontSize * 0.2f);
const float grip_hover_size = (float)(int)(grip_draw_size * 0.75f); const float grip_hover_size = (float)(int)(grip_draw_size * 0.75f);
@ -7183,7 +7233,7 @@ bool ImGui::Begin(const char* name, bool* p_open, ImGuiWindowFlags flags)
// Handle manual resize: Resize Grips, Borders, Gamepad // Handle manual resize: Resize Grips, Borders, Gamepad
int border_held = -1; int border_held = -1;
ImU32 resize_grip_col[4] = { 0 }; ImU32 resize_grip_col[4] = { 0 };
const int resize_grip_count = (flags & ImGuiWindowFlags_ResizeFromAnySide) ? 2 : 1; // 4 const int resize_grip_count = g.IO.OptResizeWindowsFromEdges ? 2 : 1; // 4
const float grip_draw_size = (float)(int)ImMax(g.FontSize * 1.35f, window->WindowRounding + 1.0f + g.FontSize * 0.2f); const float grip_draw_size = (float)(int)ImMax(g.FontSize * 1.35f, window->WindowRounding + 1.0f + g.FontSize * 0.2f);
if (!window->Collapsed) if (!window->Collapsed)
UpdateManualResize(window, size_auto_fit, &border_held, resize_grip_count, &resize_grip_col[0]); UpdateManualResize(window, size_auto_fit, &border_held, resize_grip_count, &resize_grip_col[0]);
@ -12288,23 +12338,51 @@ void ImGui::EndCombo()
EndPopup(); EndPopup();
} }
// Getter for the old Combo() API: const char*[]
static bool Items_ArrayGetter(void* data, int idx, const char** out_text)
{
const char* const* items = (const char* const*)data;
if (out_text)
*out_text = items[idx];
return true;
}
// Getter for the old Combo() API: "item1\0item2\0item3\0"
static bool Items_SingleStringGetter(void* data, int idx, const char** out_text)
{
// FIXME-OPT: we could pre-compute the indices to fasten this. But only 1 active combo means the waste is limited.
const char* items_separated_by_zeros = (const char*)data;
int items_count = 0;
const char* p = items_separated_by_zeros;
while (*p)
{
if (idx == items_count)
break;
p += strlen(p) + 1;
items_count++;
}
if (!*p)
return false;
if (out_text)
*out_text = p;
return true;
}
// Old API, prefer using BeginCombo() nowadays if you can. // Old API, prefer using BeginCombo() nowadays if you can.
bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(void*, int, const char**), void* data, int items_count, int popup_max_height_in_items) bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(void*, int, const char**), void* data, int items_count, int popup_max_height_in_items)
{ {
ImGuiContext& g = *GImGui; ImGuiContext& g = *GImGui;
const char* preview_text = NULL; // Call the getter to obtain the preview string which is a parameter to BeginCombo()
const char* preview_value = NULL;
if (*current_item >= 0 && *current_item < items_count) if (*current_item >= 0 && *current_item < items_count)
items_getter(data, *current_item, &preview_text); items_getter(data, *current_item, &preview_value);
// The old Combo() API exposed "popup_max_height_in_items". The new more general BeginCombo() API doesn't, so we emulate it here. // The old Combo() API exposed "popup_max_height_in_items". The new more general BeginCombo() API doesn't have/need it, but we emulate it here.
if (popup_max_height_in_items != -1 && !g.NextWindowData.SizeConstraintCond) if (popup_max_height_in_items != -1 && !g.NextWindowData.SizeConstraintCond)
{ SetNextWindowSizeConstraints(ImVec2(0,0), ImVec2(FLT_MAX, CalcMaxPopupHeightFromItemCount(popup_max_height_in_items)));
float popup_max_height = CalcMaxPopupHeightFromItemCount(popup_max_height_in_items);
SetNextWindowSizeConstraints(ImVec2(0,0), ImVec2(FLT_MAX, popup_max_height));
}
if (!BeginCombo(label, preview_text, 0)) if (!BeginCombo(label, preview_value, ImGuiComboFlags_None))
return false; return false;
// Display items // Display items
@ -12331,34 +12409,6 @@ bool ImGui::Combo(const char* label, int* current_item, bool (*items_getter)(voi
return value_changed; return value_changed;
} }
static bool Items_ArrayGetter(void* data, int idx, const char** out_text)
{
const char* const* items = (const char* const*)data;
if (out_text)
*out_text = items[idx];
return true;
}
static bool Items_SingleStringGetter(void* data, int idx, const char** out_text)
{
// FIXME-OPT: we could pre-compute the indices to fasten this. But only 1 active combo means the waste is limited.
const char* items_separated_by_zeros = (const char*)data;
int items_count = 0;
const char* p = items_separated_by_zeros;
while (*p)
{
if (idx == items_count)
break;
p += strlen(p) + 1;
items_count++;
}
if (!*p)
return false;
if (out_text)
*out_text = p;
return true;
}
// Combo box helper allowing to pass an array of strings. // Combo box helper allowing to pass an array of strings.
bool ImGui::Combo(const char* label, int* current_item, const char* const items[], int items_count, int height_in_items) bool ImGui::Combo(const char* label, int* current_item, const char* const items[], int items_count, int height_in_items)
{ {
@ -12366,7 +12416,7 @@ bool ImGui::Combo(const char* label, int* current_item, const char* const items[
return value_changed; return value_changed;
} }
// Combo box helper allowing to pass all items in a single string. // Combo box helper allowing to pass all items in a single string literal holding multiple zero-terminated items "item1\0item2\0"
bool ImGui::Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int height_in_items) bool ImGui::Combo(const char* label, int* current_item, const char* items_separated_by_zeros, int height_in_items)
{ {
int items_count = 0; int items_count = 0;
@ -12381,7 +12431,7 @@ bool ImGui::Combo(const char* label, int* current_item, const char* items_separa
} }
// Tip: pass an empty label (e.g. "##dummy") then you can use the space to draw other text or image. // Tip: pass an empty label (e.g. "##dummy") then you can use the space to draw other text or image.
// But you need to make sure the ID is unique, e.g. enclose calls in PushID/PopID. // But you need to make sure the ID is unique, e.g. enclose calls in PushID/PopID or use ##unique_id.
bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags flags, const ImVec2& size_arg) bool ImGui::Selectable(const char* label, bool selected, ImGuiSelectableFlags flags, const ImVec2& size_arg)
{ {
ImGuiWindow* window = GetCurrentWindow(); ImGuiWindow* window = GetCurrentWindow();

11
imgui.h
View File

@ -346,7 +346,7 @@ namespace ImGui
IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses IMGUI_API void Bullet(); // draw a small circle and keep the cursor on the same line. advance cursor x position by GetTreeNodeToLabelSpacing(), same distance that TreeNode() uses
// Widgets: Combo Box // Widgets: Combo Box
// The new BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it. // The new BeginCombo()/EndCombo() api allows you to manage your contents and selection state however you want it, by creating e.g. Selectable() items.
// The old Combo() api are helpers over BeginCombo()/EndCombo() which are kept available for convenience purpose. // The old Combo() api are helpers over BeginCombo()/EndCombo() which are kept available for convenience purpose.
IMGUI_API bool BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0); IMGUI_API bool BeginCombo(const char* label, const char* preview_value, ImGuiComboFlags flags = 0);
IMGUI_API void EndCombo(); // only call EndCombo() if BeginCombo() returns true! IMGUI_API void EndCombo(); // only call EndCombo() if BeginCombo() returns true!
@ -612,7 +612,6 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_NoScrollWithMouse = 1 << 4, // Disable user vertically scrolling with mouse wheel. On child window, mouse wheel will be forwarded to the parent unless NoScrollbar is also set. ImGuiWindowFlags_NoScrollWithMouse = 1 << 4, // Disable user vertically scrolling with mouse wheel. On child window, mouse wheel will be forwarded to the parent unless NoScrollbar is also set.
ImGuiWindowFlags_NoCollapse = 1 << 5, // Disable user collapsing window by double-clicking on it ImGuiWindowFlags_NoCollapse = 1 << 5, // Disable user collapsing window by double-clicking on it
ImGuiWindowFlags_AlwaysAutoResize = 1 << 6, // Resize every window to its content every frame ImGuiWindowFlags_AlwaysAutoResize = 1 << 6, // Resize every window to its content every frame
//ImGuiWindowFlags_ShowBorders = 1 << 7, // Show borders around windows and items (OBSOLETE! Use e.g. style.FrameBorderSize=1.0f to enable borders).
ImGuiWindowFlags_NoSavedSettings = 1 << 8, // Never load/save settings in .ini file ImGuiWindowFlags_NoSavedSettings = 1 << 8, // Never load/save settings in .ini file
ImGuiWindowFlags_NoInputs = 1 << 9, // Disable catching mouse or keyboard inputs, hovering test with pass through. ImGuiWindowFlags_NoInputs = 1 << 9, // Disable catching mouse or keyboard inputs, hovering test with pass through.
ImGuiWindowFlags_MenuBar = 1 << 10, // Has a menu-bar ImGuiWindowFlags_MenuBar = 1 << 10, // Has a menu-bar
@ -622,7 +621,6 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_AlwaysVerticalScrollbar= 1 << 14, // Always show vertical scrollbar (even if ContentSize.y < Size.y) ImGuiWindowFlags_AlwaysVerticalScrollbar= 1 << 14, // Always show vertical scrollbar (even if ContentSize.y < Size.y)
ImGuiWindowFlags_AlwaysHorizontalScrollbar=1<< 15, // Always show horizontal scrollbar (even if ContentSize.x < Size.x) ImGuiWindowFlags_AlwaysHorizontalScrollbar=1<< 15, // Always show horizontal scrollbar (even if ContentSize.x < Size.x)
ImGuiWindowFlags_AlwaysUseWindowPadding = 1 << 16, // Ensure child windows without border uses style.WindowPadding (ignored by default for non-bordered child windows, because more convenient) ImGuiWindowFlags_AlwaysUseWindowPadding = 1 << 16, // Ensure child windows without border uses style.WindowPadding (ignored by default for non-bordered child windows, because more convenient)
ImGuiWindowFlags_ResizeFromAnySide = 1 << 17, // [BETA] Enable resize from any corners and borders. Your back-end needs to honor the different values of io.MouseCursor set by imgui.
ImGuiWindowFlags_NoNavInputs = 1 << 18, // No gamepad/keyboard navigation within the window ImGuiWindowFlags_NoNavInputs = 1 << 18, // No gamepad/keyboard navigation within the window
ImGuiWindowFlags_NoNavFocus = 1 << 19, // No focusing toward this window with gamepad/keyboard navigation (e.g. skipped by CTRL+TAB) ImGuiWindowFlags_NoNavFocus = 1 << 19, // No focusing toward this window with gamepad/keyboard navigation (e.g. skipped by CTRL+TAB)
ImGuiWindowFlags_NoNav = ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus, ImGuiWindowFlags_NoNav = ImGuiWindowFlags_NoNavInputs | ImGuiWindowFlags_NoNavFocus,
@ -634,6 +632,10 @@ enum ImGuiWindowFlags_
ImGuiWindowFlags_Popup = 1 << 26, // Don't use! For internal use by BeginPopup() ImGuiWindowFlags_Popup = 1 << 26, // Don't use! For internal use by BeginPopup()
ImGuiWindowFlags_Modal = 1 << 27, // Don't use! For internal use by BeginPopupModal() ImGuiWindowFlags_Modal = 1 << 27, // Don't use! For internal use by BeginPopupModal()
ImGuiWindowFlags_ChildMenu = 1 << 28 // Don't use! For internal use by BeginMenu() ImGuiWindowFlags_ChildMenu = 1 << 28 // Don't use! For internal use by BeginMenu()
// [Obsolete]
//ImGuiWindowFlags_ShowBorders = 1 << 7, // --> Set style.FrameBorderSize=1.0f / style.WindowBorderSize=1.0f to enable borders around windows and items
//ImGuiWindowFlags_ResizeFromAnySide = 1 << 17, // --> Set io.OptResizeWindowsFromEdges and make sure mouse cursors are supported by back-end (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors)
}; };
// Flags for ImGui::InputText() // Flags for ImGui::InputText()
@ -1106,9 +1108,10 @@ struct ImGuiIO
ImFont* FontDefault; // = NULL // Font to use on NewFrame(). Use NULL to uses Fonts->Fonts[0]. ImFont* FontDefault; // = NULL // Font to use on NewFrame(). Use NULL to uses Fonts->Fonts[0].
ImVec2 DisplayFramebufferScale; // = (1.0f,1.0f) // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui. ImVec2 DisplayFramebufferScale; // = (1.0f,1.0f) // For retina display or other situations where window coordinates are different from framebuffer coordinates. User storage only, presently not used by ImGui.
// Advanced/subtle behaviors // Miscellaneous options
bool OptMacOSXBehaviors; // = defined(__APPLE__) // OS X style: Text editing cursor movement using Alt instead of Ctrl, Shortcuts using Cmd/Super instead of Ctrl, Line/Text Start and End using Cmd+Arrows instead of Home/End, Double click selects by word instead of selecting whole text, Multi-selection in lists uses Cmd/Super instead of Ctrl bool OptMacOSXBehaviors; // = defined(__APPLE__) // OS X style: Text editing cursor movement using Alt instead of Ctrl, Shortcuts using Cmd/Super instead of Ctrl, Line/Text Start and End using Cmd+Arrows instead of Home/End, Double click selects by word instead of selecting whole text, Multi-selection in lists uses Cmd/Super instead of Ctrl
bool OptCursorBlink; // = true // Enable blinking cursor, for users who consider it annoying. bool OptCursorBlink; // = true // Enable blinking cursor, for users who consider it annoying.
bool OptResizeWindowsFromEdges;// = false // [BETA] Enable resizing of windows from their edges and from the lower-left corner. This requires (io.BackendFlags & ImGuiBackendFlags_HasMouseCursors) because it needs mouse cursor feedback. (This used to be the ImGuiWindowFlags_ResizeFromAnySide flag)
//------------------------------------------------------------------ //------------------------------------------------------------------
// Settings (User Functions) // Settings (User Functions)

17
imgui_draw.cpp
View File

@ -1267,23 +1267,6 @@ void ImGui::ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDra
} }
} }
// Scan and shade backward from the end of given vertices. Assume vertices are text only (= vert_start..vert_end going left to right) so we can break as soon as we are out the gradient bounds.
void ImGui::ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert* vert_start, ImDrawVert* vert_end, float gradient_p0_x, float gradient_p1_x)
{
float gradient_extent_x = gradient_p1_x - gradient_p0_x;
float gradient_inv_length2 = 1.0f / (gradient_extent_x * gradient_extent_x);
int full_alpha_count = 0;
for (ImDrawVert* vert = vert_end - 1; vert >= vert_start; vert--)
{
float d = (vert->pos.x - gradient_p0_x) * (gradient_extent_x);
float alpha_mul = 1.0f - ImClamp(d * gradient_inv_length2, 0.0f, 1.0f);
if (alpha_mul >= 1.0f && ++full_alpha_count > 2)
return; // Early out
int a = (int)(((vert->col >> IM_COL32_A_SHIFT) & 0xFF) * alpha_mul);
vert->col = (vert->col & ~IM_COL32_A_MASK) | (a << IM_COL32_A_SHIFT);
}
}
// Distribute UV over (a, b) rectangle // Distribute UV over (a, b) rectangle
void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp) void ImGui::ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp)
{ {

1
imgui_internal.h
View File

@ -1240,7 +1240,6 @@ namespace ImGui
// Shade functions (write over already created vertices) // Shade functions (write over already created vertices)
IMGUI_API void ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDrawVert* vert_end, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1); IMGUI_API void ShadeVertsLinearColorGradientKeepAlpha(ImDrawVert* vert_start, ImDrawVert* vert_end, ImVec2 gradient_p0, ImVec2 gradient_p1, ImU32 col0, ImU32 col1);
IMGUI_API void ShadeVertsLinearAlphaGradientForLeftToRightText(ImDrawVert* vert_start, ImDrawVert* vert_end, float gradient_p0_x, float gradient_p1_x);
IMGUI_API void ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp); IMGUI_API void ShadeVertsLinearUV(ImDrawVert* vert_start, ImDrawVert* vert_end, const ImVec2& a, const ImVec2& b, const ImVec2& uv_a, const ImVec2& uv_b, bool clamp);
} // namespace ImGui } // namespace ImGui