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Examples: Bring code of example_apple_metal and example_apple_opengl2 closer to each other. (#1873, #3543)

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rokups 2020-11-12 13:47:31 +02:00 committed by ocornut
parent 0aeb978e61
commit 88f4c1321a
2 changed files with 239 additions and 290 deletions
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326
examples/example_apple_metal/main.mm
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@ -15,26 +15,28 @@
#include "imgui.h"
#include "imgui_impl_metal.h"
#if TARGET_OS_OSX
#include "imgui_impl_osx.h"
@interface ViewController : NSViewController
@interface AppViewController : NSViewController
@end
#else
@interface ViewController : UIViewController
@interface AppViewController : UIViewController
@end
#endif
@interface ViewController () <MTKViewDelegate>
@interface AppViewController () <MTKViewDelegate>
@property (nonatomic, readonly) MTKView *mtkView;
@property (nonatomic, strong) id <MTLDevice> device;
@property (nonatomic, strong) id <MTLCommandQueue> commandQueue;
@end
@implementation ViewController
//-----------------------------------------------------------------------------------
// AppViewController
//-----------------------------------------------------------------------------------
- (instancetype)initWithNibName:(nullable NSString *)nibNameOrNil bundle:(nullable NSBundle *)nibBundleOrNil
@implementation AppViewController
-(instancetype)initWithNibName:(nullable NSString *)nibNameOrNil bundle:(nullable NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
@ -80,17 +82,17 @@
return self;
}
- (MTKView *)mtkView
-(MTKView *)mtkView
{
return (MTKView *)self.view;
}
- (void)loadView
-(void)loadView
{
self.view = [[MTKView alloc] initWithFrame:CGRectMake(0, 0, 1200, 720)];
}
- (void)viewDidLoad
-(void)viewDidLoad
{
[super viewDidLoad];
@ -110,7 +112,7 @@
// we receive events for all controls, not just Dear 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.
// To match the behavior of other backends, we pass every event down to the OS.
NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged | NSEventTypeScrollWheel;
NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged;
[NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^NSEvent * _Nullable(NSEvent *event)
{
ImGui_ImplOSX_HandleEvent(event, self.view);
@ -122,53 +124,120 @@
#endif
}
#pragma mark - Interaction
-(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];
MTLRenderPassDescriptor* renderPassDescriptor = view.currentRenderPassDescriptor;
if (renderPassDescriptor == nil)
{
[commandBuffer commit];
return;
}
// Start the Dear ImGui frame
ImGui_ImplMetal_NewFrame(renderPassDescriptor);
#if TARGET_OS_OSX
ImGui_ImplOSX_NewFrame(view);
#endif
ImGui::NewFrame();
// Our state (make them static = more or less global) as a convenience to keep the example terse.
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 the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
if (show_demo_window)
ImGui::ShowDemoWindow(&show_demo_window);
// 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window.
{
static float f = 0.0f;
static int counter = 0;
ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it.
ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too)
ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state
ImGui::Checkbox("Another Window", &show_another_window);
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
if (ImGui::Button("Button")) // Buttons return true when clicked (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);
ImGui::End();
}
// 3. Show another simple window.
if (show_another_window)
{
ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
ImGui::Text("Hello from another window!");
if (ImGui::Button("Close Me"))
show_another_window = false;
ImGui::End();
}
// Rendering
ImGui::Render();
ImDrawData* draw_data = ImGui::GetDrawData();
renderPassDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w);
id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor];
[renderEncoder pushDebugGroup:@"Dear ImGui rendering"];
ImGui_ImplMetal_RenderDrawData(draw_data, commandBuffer, renderEncoder);
[renderEncoder popDebugGroup];
[renderEncoder endEncoding];
// Present
[commandBuffer presentDrawable:view.currentDrawable];
[commandBuffer commit];
}
-(void)mtkView:(MTKView*)view drawableSizeWillChange:(CGSize)size
{
}
//-----------------------------------------------------------------------------------
// Input processing
//-----------------------------------------------------------------------------------
#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)rightMouseDown:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)otherMouseDown:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)mouseUp:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)rightMouseUp:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)otherMouseUp:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)mouseDragged:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)rightMouseDragged:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)otherMouseDragged:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
- (void)scrollWheel:(NSEvent *)event {
ImGui_ImplOSX_HandleEvent(event, self.view);
}
// Forward Mouse/Keyboard events to Dear ImGui OSX backend.
// Other events are registered via addLocalMonitorForEventsMatchingMask()
-(void)mouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)rightMouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)otherMouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)mouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)rightMouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)otherMouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)mouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)mouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)rightMouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)rightMouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)otherMouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)otherMouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
-(void)scrollWheel:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self.view); }
#else
@ -177,7 +246,7 @@
// 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
-(void)updateIOWithTouchEvent:(UIEvent *)event
{
UITouch *anyTouch = event.allTouches.anyObject;
CGPoint touchLocation = [anyTouch locationInView:self.view];
@ -196,127 +265,18 @@
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];
}
-(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
#pragma mark - MTKViewDelegate
- (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];
// Our state (make them static = more or less global) as a convenience to keep the example terse.
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[3], clear_color[1] * clear_color[3], clear_color[2] * clear_color[3], clear_color[3]);
// Here, you could do additional rendering work, including other passes as necessary.
id <MTLRenderCommandEncoder> renderEncoder = [commandBuffer renderCommandEncoderWithDescriptor:renderPassDescriptor];
[renderEncoder pushDebugGroup:@"ImGui demo"];
// Start the Dear ImGui frame
ImGui_ImplMetal_NewFrame(renderPassDescriptor);
#if TARGET_OS_OSX
ImGui_ImplOSX_NewFrame(view);
#endif
ImGui::NewFrame();
// 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!).
if (show_demo_window)
ImGui::ShowDemoWindow(&show_demo_window);
// 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window.
{
static float f = 0.0f;
static int counter = 0;
ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it.
ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too)
ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state
ImGui::Checkbox("Another Window", &show_another_window);
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
if (ImGui::Button("Button")) // Buttons return true when clicked (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);
ImGui::End();
}
// 3. Show another simple window.
if (show_another_window)
{
ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked)
ImGui::Text("Hello from another window!");
if (ImGui::Button("Close Me"))
show_another_window = false;
ImGui::End();
}
// Rendering
ImGui::Render();
ImDrawData* draw_data = ImGui::GetDrawData();
ImGui_ImplMetal_RenderDrawData(draw_data, commandBuffer, renderEncoder);
[renderEncoder popDebugGroup];
[renderEncoder endEncoding];
[commandBuffer presentDrawable:view.currentDrawable];
}
[commandBuffer commit];
}
- (void)mtkView:(MTKView*)view drawableSizeWillChange:(CGSize)size
{
}
@end
#pragma mark - Application Delegate
//-----------------------------------------------------------------------------------
// AppDelegate
//-----------------------------------------------------------------------------------
#if TARGET_OS_OSX
@ -326,11 +286,16 @@
@implementation AppDelegate
- (instancetype)init
-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender
{
return YES;
}
-(instancetype)init
{
if (self = [super init])
{
NSViewController *rootViewController = [[ViewController alloc] initWithNibName:nil bundle:nil];
NSViewController *rootViewController = [[AppViewController alloc] initWithNibName:nil bundle:nil];
self.window = [[NSWindow alloc] initWithContentRect:NSZeroRect
styleMask:NSWindowStyleMaskTitled | NSWindowStyleMaskClosable | NSWindowStyleMaskResizable | NSWindowStyleMaskMiniaturizable
backing:NSBackingStoreBuffered
@ -343,11 +308,6 @@
return self;
}
- (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)sender
{
return YES;
}
@end
#else
@ -358,10 +318,10 @@
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application
-(BOOL)application:(UIApplication *)application
didFinishLaunchingWithOptions:(NSDictionary<UIApplicationLaunchOptionsKey,id> *)launchOptions
{
UIViewController *rootViewController = [[ViewController alloc] init];
UIViewController *rootViewController = [[AppViewController alloc] init];
self.window = [[UIWindow alloc] initWithFrame:UIScreen.mainScreen.bounds];
self.window.rootViewController = rootViewController;
[self.window makeKeyAndVisible];
@ -372,7 +332,9 @@
#endif
#pragma mark - main()
//-----------------------------------------------------------------------------------
// Application main() function
//-----------------------------------------------------------------------------------
#if TARGET_OS_OSX

203
examples/example_apple_opengl2/main.mm
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@ -2,30 +2,25 @@
// If you are new to Dear ImGui, read documentation from the docs/ folder + read the top of imgui.cpp.
// Read online: https://github.com/ocornut/imgui/tree/master/docs
#include "imgui.h"
#include "../../backends/imgui_impl_osx.h"
#include "../../backends/imgui_impl_opengl2.h"
#include <stdio.h>
#import <Cocoa/Cocoa.h>
#import <OpenGL/gl.h>
#import <OpenGL/glu.h>
#include "imgui.h"
#include "imgui_impl_opengl2.h"
#include "imgui_impl_osx.h"
//-----------------------------------------------------------------------------------
// ImGuiExampleView
// AppView
//-----------------------------------------------------------------------------------
@interface ImGuiExampleView : NSOpenGLView
@interface AppView : NSOpenGLView
{
NSTimer* animationTimer;
}
@end
@implementation ImGuiExampleView
-(void)animationTimerFired:(NSTimer*)timer
{
[self setNeedsDisplay:YES];
}
@implementation AppView
-(void)prepareOpenGL
{
@ -39,11 +34,54 @@
#endif
}
-(void)initialize
{
// Some events do not raise callbacks of AppView in some circumstances (for example when CMD key is held down).
// This monitor taps into global event stream and captures these events.
NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged;
[NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^NSEvent * _Nullable(NSEvent *event)
{
ImGui_ImplOSX_HandleEvent(event, self);
return event;
}];
// Setup Dear ImGui context
// FIXME: This example doesn't have proper cleanup...
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Dear ImGui style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();
// Setup Platform/Renderer backends
ImGui_ImplOSX_Init();
ImGui_ImplOpenGL2_Init();
// 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 'docs/FONTS.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);
}
-(void)updateAndDrawDemoView
{
// Start the Dear ImGui frame
ImGui_ImplOpenGL2_NewFrame();
ImGui_ImplOSX_NewFrame(self);
ImGui_ImplOpenGL2_NewFrame();
ImGui_ImplOSX_NewFrame(self);
ImGui::NewFrame();
// Our state (make them static = more or less global) as a convenience to keep the example terse.
@ -88,18 +126,18 @@
ImGui::End();
}
// Rendering
ImGui::Render();
[[self openGLContext] makeCurrentContext];
// Rendering
ImGui::Render();
ImDrawData* draw_data = ImGui::GetDrawData();
[[self openGLContext] makeCurrentContext];
GLsizei width = (GLsizei)(draw_data->DisplaySize.x * draw_data->FramebufferScale.x);
GLsizei height = (GLsizei)(draw_data->DisplaySize.y * draw_data->FramebufferScale.y);
glViewport(0, 0, width, height);
glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w);
glClear(GL_COLOR_BUFFER_BIT);
ImGui_ImplOpenGL2_RenderDrawData(draw_data);
ImGui_ImplOpenGL2_RenderDrawData(draw_data);
// Present
[[self openGLContext] flushBuffer];
@ -108,38 +146,20 @@
animationTimer = [NSTimer scheduledTimerWithTimeInterval:0.017 target:self selector:@selector(animationTimerFired:) userInfo:nil repeats:YES];
}
-(void)reshape
{
[[self openGLContext] update];
[self updateAndDrawDemoView];
}
-(void)reshape { [[self openGLContext] update]; [self updateAndDrawDemoView]; }
-(void)drawRect:(NSRect)bounds { [self updateAndDrawDemoView]; }
-(void)animationTimerFired:(NSTimer*)timer { [self setNeedsDisplay:YES]; }
-(BOOL)acceptsFirstResponder { return (YES); }
-(BOOL)becomeFirstResponder { return (YES); }
-(BOOL)resignFirstResponder { return (YES); }
-(void)dealloc { animationTimer = nil; }
-(void)drawRect:(NSRect)bounds
{
[self updateAndDrawDemoView];
}
-(BOOL)acceptsFirstResponder
{
return (YES);
}
-(BOOL)becomeFirstResponder
{
return (YES);
}
-(BOOL)resignFirstResponder
{
return (YES);
}
-(void)dealloc
{
animationTimer = nil;
}
//-----------------------------------------------------------------------------------
// Input processing
//-----------------------------------------------------------------------------------
// Forward Mouse/Keyboard events to Dear ImGui OSX backend.
// Other events are registered via addLocalMonitorForEventsMatchingMask()
-(void)mouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)rightMouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)otherMouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
@ -147,23 +167,24 @@
-(void)rightMouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)otherMouseUp:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)mouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)rightMouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)otherMouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)mouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)rightMouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)rightMouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)otherMouseMoved:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)otherMouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)scrollWheel:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
@end
//-----------------------------------------------------------------------------------
// ImGuiExampleAppDelegate
// AppDelegate
//-----------------------------------------------------------------------------------
@interface ImGuiExampleAppDelegate : NSObject <NSApplicationDelegate>
@interface AppDelegate : NSObject <NSApplicationDelegate>
@property (nonatomic, readonly) NSWindow* window;
@end
@implementation ImGuiExampleAppDelegate
@implementation AppDelegate
@synthesize window = _window;
-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)theApplication
@ -189,7 +210,7 @@
-(void)setupMenu
{
NSMenu* mainMenuBar = [[NSMenu alloc] init];
NSMenu* mainMenuBar = [[NSMenu alloc] init];
NSMenu* appMenu;
NSMenuItem* menuItem;
@ -213,11 +234,11 @@
-(void)applicationDidFinishLaunching:(NSNotification *)aNotification
{
// Make the application a foreground application (else it won't receive keyboard events)
ProcessSerialNumber psn = {0, kCurrentProcess};
TransformProcessType(&psn, kProcessTransformToForegroundApplication);
// Make the application a foreground application (else it won't receive keyboard events)
ProcessSerialNumber psn = {0, kCurrentProcess};
TransformProcessType(&psn, kProcessTransformToForegroundApplication);
// Menu
// Menu
[self setupMenu];
NSOpenGLPixelFormatAttribute attrs[] =
@ -228,7 +249,7 @@
};
NSOpenGLPixelFormat* format = [[NSOpenGLPixelFormat alloc] initWithAttributes:attrs];
ImGuiExampleView* view = [[ImGuiExampleView alloc] initWithFrame:self.window.frame pixelFormat:format];
AppView* view = [[AppView alloc] initWithFrame:self.window.frame pixelFormat:format];
format = nil;
#if MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
if (floor(NSAppKitVersionNumber) > NSAppKitVersionNumber10_6)
@ -239,57 +260,23 @@
if ([view openGLContext] == nil)
NSLog(@"No OpenGL Context!");
// Some events do not raise callbacks of ImGuiExampleView in some circumstances (for example when CMD key is held down).
// This monitor taps into global event stream and captures these events.
NSEventMask eventMask = NSEventMaskKeyDown | NSEventMaskKeyUp | NSEventMaskFlagsChanged | NSEventTypeScrollWheel;
[NSEvent addLocalMonitorForEventsMatchingMask:eventMask handler:^NSEvent * _Nullable(NSEvent *event)
{
ImGui_ImplOSX_HandleEvent(event, view);
return event;
}];
// Setup Dear ImGui context
// FIXME: This example doesn't have proper cleanup...
IMGUI_CHECKVERSION();
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO(); (void)io;
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
// Setup Dear ImGui style
ImGui::StyleColorsDark();
//ImGui::StyleColorsClassic();
// Setup Platform/Renderer backends
ImGui_ImplOSX_Init();
ImGui_ImplOpenGL2_Init();
// 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 'docs/FONTS.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);
[view initialize];
}
@end
//-----------------------------------------------------------------------------------
// Application main() function
//-----------------------------------------------------------------------------------
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);
@autoreleasepool
{
NSApp = [NSApplication sharedApplication];
AppDelegate* delegate = [[AppDelegate alloc] init];
[[NSApplication sharedApplication] setDelegate:delegate];
[NSApp run];
}
return NSApplicationMain(argc, argv);
}