mirror of
https://github.com/Drezil/imgui.git
synced 2024-12-22 15:46:35 +00:00
Merge branch 'master' into 2016-02-colorpicker
This commit is contained in:
commit
a4012fd5b2
74
imgui.cpp
74
imgui.cpp
@ -16,6 +16,8 @@
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- MISSION STATEMENT
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- MISSION STATEMENT
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- END-USER GUIDE
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- END-USER GUIDE
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- PROGRAMMER GUIDE (read me!)
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- PROGRAMMER GUIDE (read me!)
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- Read first
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- Getting started with integrating imgui in your code/engine
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- API BREAKING CHANGES (read me when you update!)
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- API BREAKING CHANGES (read me when you update!)
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- FREQUENTLY ASKED QUESTIONS (FAQ), TIPS
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- FREQUENTLY ASKED QUESTIONS (FAQ), TIPS
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- How can I help?
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- How can I help?
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@ -50,22 +52,21 @@
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Designed for developers and content-creators, not the typical end-user! Some of the weaknesses includes:
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Designed for developers and content-creators, not the typical end-user! Some of the weaknesses includes:
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- doesn't look fancy, doesn't animate
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- doesn't look fancy, doesn't animate
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- limited layout features, intricate layouts are typically crafted in code
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- limited layout features, intricate layouts are typically crafted in code
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- occasionally uses statically sized buffers for string manipulations - won't crash, but some very long pieces of text may be clipped. functions like ImGui::TextUnformatted() don't have such restriction.
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END-USER GUIDE
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END-USER GUIDE
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==============
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==============
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- double-click title bar to collapse window
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- Double-click title bar to collapse window
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- click upper right corner to close a window, available when 'bool* p_open' is passed to ImGui::Begin()
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- Click upper right corner to close a window, available when 'bool* p_open' is passed to ImGui::Begin()
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- click and drag on lower right corner to resize window
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- Click and drag on lower right corner to resize window
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- click and drag on any empty space to move window
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- Click and drag on any empty space to move window
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- double-click/double-tap on lower right corner grip to auto-fit to content
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- Double-click/double-tap on lower right corner grip to auto-fit to content
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- TAB/SHIFT+TAB to cycle through keyboard editable fields
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- TAB/SHIFT+TAB to cycle through keyboard editable fields
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- use mouse wheel to scroll
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- Use mouse wheel to scroll
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- use CTRL+mouse wheel to zoom window contents (if IO.FontAllowScaling is true)
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- Use CTRL+mouse wheel to zoom window contents (if io.FontAllowScaling is true)
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- CTRL+Click on a slider or drag box to input value as text
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- CTRL+Click on a slider or drag box to input value as text
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- text editor:
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- Text editor:
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- Hold SHIFT or use mouse to select text.
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- Hold SHIFT or use mouse to select text.
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- CTRL+Left/Right to word jump
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- CTRL+Left/Right to word jump
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- CTRL+Shift+Left/Right to select words
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- CTRL+Shift+Left/Right to select words
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@ -74,32 +75,36 @@
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- CTRL+Z,CTRL+Y to undo/redo
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- CTRL+Z,CTRL+Y to undo/redo
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- ESCAPE to revert text to its original value
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- ESCAPE to revert text to its original value
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- You can apply arithmetic operators +,*,/ on numerical values. Use +- to subtract (because - would set a negative value!)
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- You can apply arithmetic operators +,*,/ on numerical values. Use +- to subtract (because - would set a negative value!)
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- Controls are automatically adjusted for OSX to match standard OSX text editing operations.
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PROGRAMMER GUIDE
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PROGRAMMER GUIDE
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================
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================
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- read the FAQ below this section!
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READ FIRST
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- your code creates the UI, if your code doesn't run the UI is gone! == very dynamic UI, no construction/destructions steps, less data retention on your side, no state duplication, less sync, less bugs.
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- call and read ImGui::ShowTestWindow() for demo code demonstrating most features.
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- see examples/ folder for standalone sample applications. Prefer reading examples/opengl2_example/ first as it is the simplest.
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you may be able to grab and copy a ready made imgui_impl_*** file from the examples/.
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- customization: PushStyleColor()/PushStyleVar() or the style editor to tweak the look of the interface (e.g. if you want a more compact UI or a different color scheme).
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- getting started:
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- Read the FAQ below this section!
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- init: call ImGui::GetIO() to retrieve the ImGuiIO structure and fill the fields marked 'Settings'.
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- Your code creates the UI, if your code doesn't run the UI is gone! == very dynamic UI, no construction/destructions steps, less data retention on your side, no state duplication, less sync, less bugs.
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- init: call io.Fonts->GetTexDataAsRGBA32(...) and load the font texture pixels into graphics memory.
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- Call and read ImGui::ShowTestWindow() for demo code demonstrating most features.
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- every frame:
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- Customization: PushStyleColor()/PushStyleVar() or the style editor to tweak the look of the interface (e.g. if you want a more compact UI or a different color scheme).
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GETTING STARTED WITH INTEGRATING IMGUI IN YOUR CODE/ENGINE
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- See examples/ folder for standalone sample applications. Prefer reading examples/opengl_example/ first as it is the simplest.
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You may be able to grab and copy a ready made imgui_impl_*** file from the examples/.
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- Init: call ImGui::GetIO() to retrieve the ImGuiIO structure and fill the fields marked 'Settings'.
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- Init: call io.Fonts->GetTexDataAsRGBA32(...) and load the font texture pixels into graphics memory.
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- Every frame:
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1/ in your mainloop or right after you got your keyboard/mouse info, call ImGui::GetIO() and fill the fields marked 'Input'
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1/ in your mainloop or right after you got your keyboard/mouse info, call ImGui::GetIO() and fill the fields marked 'Input'
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2/ call ImGui::NewFrame() as early as you can!
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2/ call ImGui::NewFrame() as early as you can!
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3/ use any ImGui function you want between NewFrame() and Render()
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3/ use any ImGui function you want between NewFrame() and Render()
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4/ call ImGui::Render() as late as you can to end the frame and finalize render data. it will call your RenderDrawListFn handler that you set in the IO structure.
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4/ call ImGui::Render() as late as you can to end the frame and finalize render data. it will call your RenderDrawListFn handler that you set in the IO structure.
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(if you don't need to render, you still need to call Render() and ignore the callback, or call EndFrame() instead. if you call neither some aspects of windows focusing/moving will appear broken.)
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(if you don't need to render, you still need to call Render() and ignore the callback, or call EndFrame() instead. if you call neither some aspects of windows focusing/moving will appear broken.)
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- all rendering information are stored into command-lists until ImGui::Render() is called.
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- All rendering information are stored into command-lists until ImGui::Render() is called.
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- ImGui never touches or know about your GPU state. the only function that knows about GPU is the RenderDrawListFn handler that you provide.
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- ImGui never touches or knows about your GPU state. the only function that knows about GPU is the RenderDrawListFn handler that you provide.
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- effectively it means you can create widgets at any time in your code, regardless of considerations of being in "update" vs "render" phases of your own application.
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- Effectively it means you can create widgets at any time in your code, regardless of considerations of being in "update" vs "render" phases of your own application.
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- refer to the examples applications in the examples/ folder for instruction on how to setup your code.
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- Refer to the examples applications in the examples/ folder for instruction on how to setup your code.
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- a typical application skeleton may be:
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- A typical application skeleton may be:
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// Application init
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// Application init
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ImGuiIO& io = ImGui::GetIO();
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ImGuiIO& io = ImGui::GetIO();
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io.RenderDrawListsFn = my_render_function; // Setup a render function, or set to NULL and call GetDrawData() after Render() to access the render data.
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io.RenderDrawListsFn = my_render_function; // Setup a render function, or set to NULL and call GetDrawData() after Render() to access the render data.
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// TODO: Fill others settings of the io structure
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// TODO: Fill others settings of the io structure
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// Load texture atlas
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// Load texture atlas (there is a default font so you don't need to care about choosing a font yet)
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// There is a default font so you don't need to care about choosing a font yet
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unsigned char* pixels;
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unsigned char* pixels;
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int width, height;
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int width, height;
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io.Fonts->GetTexDataAsRGBA32(pixels, &width, &height);
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io.Fonts->GetTexDataAsRGBA32(pixels, &width, &height);
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@ -146,6 +150,7 @@
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mouse inputs from the rest of your application. Read the FAQ below for more information about those flags.
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mouse inputs from the rest of your application. Read the FAQ below for more information about those flags.
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API BREAKING CHANGES
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API BREAKING CHANGES
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====================
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====================
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@ -272,7 +277,7 @@
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Q: How can I help?
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Q: How can I help?
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A: - If you are experienced enough with ImGui and with C/C++, look at the todo list and see how you want/can help!
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A: - If you are experienced enough with ImGui and with C/C++, look at the todo list and see how you want/can help!
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- Become a Patron/donate. Convince your company to become a Patron or provide serious funding for development time.
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- Become a Patron/donate! Convince your company to become a Patron or provide serious funding for development time! See http://www.patreon.com/imgui
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Q: How do I update to a newer version of ImGui?
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Q: How do I update to a newer version of ImGui?
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A: Overwrite the following files:
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A: Overwrite the following files:
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@ -493,9 +498,9 @@
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- window/tooltip: allow to set the width of a tooltip to allow TextWrapped() etc. while keeping the height automatic.
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- window/tooltip: allow to set the width of a tooltip to allow TextWrapped() etc. while keeping the height automatic.
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- window: increase minimum size of a window with menus or fix the menu rendering so that it doesn't look odd.
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- window: increase minimum size of a window with menus or fix the menu rendering so that it doesn't look odd.
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- draw-list: maintaining bounding box per command would allow to merge draw command when clipping isn't relied on (typical non-scrolling window or non-overflowing column would merge with previous command).
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- draw-list: maintaining bounding box per command would allow to merge draw command when clipping isn't relied on (typical non-scrolling window or non-overflowing column would merge with previous command).
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!- scrolling: allow immediately effective change of scroll if we haven't appended items yet
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!- scrolling: allow immediately effective change of scroll after Begin() if we haven't appended items yet
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- splitter/separator: formalize the splitter idiom into an official api (we want to handle n-way split) (#319)
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- splitter/separator: formalize the splitter idiom into an official api (we want to handle n-way split) (#319)
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- widgets: display mode: widget-label, label-widget (aligned on column or using fixed size), label-newline-tab-widget etc.
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- widgets: display mode: widget-label, label-widget (aligned on column or using fixed size), label-newline-tab-widget etc. (#395)
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- widgets: clean up widgets internal toward exposing everything.
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- widgets: clean up widgets internal toward exposing everything.
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- widgets: add disabled and read-only modes (#211)
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- widgets: add disabled and read-only modes (#211)
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- main: considering adding an Init() function? some constructs are awkward in the implementation because of the lack of them.
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- main: considering adding an Init() function? some constructs are awkward in the implementation because of the lack of them.
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@ -577,13 +582,14 @@
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- textwrapped: figure out better way to use TextWrapped() in an always auto-resize context (tooltip, etc.) (#249)
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- textwrapped: figure out better way to use TextWrapped() in an always auto-resize context (tooltip, etc.) (#249)
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- settings: write more decent code to allow saving/loading new fields
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- settings: write more decent code to allow saving/loading new fields
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- settings: api for per-tool simple persistent data (bool,int,float,columns sizes,etc.) in .ini file
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- settings: api for per-tool simple persistent data (bool,int,float,columns sizes,etc.) in .ini file
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- stb: add defines to disable stb implementations
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- style: add window shadows.
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- style: add window shadows.
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- style/optimization: store rounded corners in texture to use 1 quad per corner (filled and wireframe) to lower the cost of rounding.
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- style/optimization: store rounded corners in texture to use 1 quad per corner (filled and wireframe) to lower the cost of rounding.
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- style: color-box not always square?
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- style: color-box not always square?
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- style: a concept of "compact style" that the end-user can easily rely on (e.g. PushStyleCompact()?) that maps to other settings? avoid implementing duplicate helpers such as SmallCheckbox(), etc.
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- style: a concept of "compact style" that the end-user can easily rely on (e.g. PushStyleCompact()?) that maps to other settings? avoid implementing duplicate helpers such as SmallCheckbox(), etc.
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- style: try to make PushStyleVar() more robust to incorrect parameters (to be more friendly to edit & continues situation).
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- style: try to make PushStyleVar() more robust to incorrect parameters (to be more friendly to edit & continues situation).
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- style: global scale setting.
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- style: global scale setting.
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- style: WindowPadding needs to be EVEN needs the 0.5 multiplier probably have a subtle effect on clip rectangle
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- style: WindowPadding needs to be EVEN as the 0.5 multiplier used on this value probably have a subtle effect on clip rectangle
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- text: simple markup language for color change?
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- text: simple markup language for color change?
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- font: dynamic font atlas to avoid baking huge ranges into bitmap and make scaling easier.
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- font: dynamic font atlas to avoid baking huge ranges into bitmap and make scaling easier.
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- font: small opt: for monospace font (like the defalt one) we can trim IndexXAdvance as long as trailing value is == FallbackXAdvance
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- font: small opt: for monospace font (like the defalt one) we can trim IndexXAdvance as long as trailing value is == FallbackXAdvance
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- log: let user copy any window content to clipboard easily (CTRL+C on windows? while moving it? context menu?). code is commented because it fails with multiple Begin/End pairs.
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- log: let user copy any window content to clipboard easily (CTRL+C on windows? while moving it? context menu?). code is commented because it fails with multiple Begin/End pairs.
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- filters: set a current filter that tree node can automatically query to hide themselves
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- filters: set a current filter that tree node can automatically query to hide themselves
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- filters: handle wildcards (with implicit leading/trailing *), regexps
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- filters: handle wildcards (with implicit leading/trailing *), regexps
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- filters: fuzzy matches (may use code at blog.forrestthewoods.com/4cffeed33fdb)
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- shortcuts: add a shortcut api, e.g. parse "&Save" and/or "Save (CTRL+S)", pass in to widgets or provide simple ways to use (button=activate, input=focus)
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- shortcuts: add a shortcut api, e.g. parse "&Save" and/or "Save (CTRL+S)", pass in to widgets or provide simple ways to use (button=activate, input=focus)
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!- keyboard: tooltip & combo boxes are messing up / not honoring keyboard tabbing
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!- keyboard: tooltip & combo boxes are messing up / not honoring keyboard tabbing
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- keyboard: full keyboard navigation and focus. (#323)
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- keyboard: full keyboard navigation and focus. (#323)
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@ -5336,7 +5343,7 @@ float ImGui::GetScrollY()
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float ImGui::GetScrollMaxX()
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float ImGui::GetScrollMaxX()
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{
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{
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ImGuiWindow* window = GetCurrentWindowRead();
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ImGuiWindow* window = GetCurrentWindowRead();
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return ImMax(0.0f, window->SizeContents.x - (window->SizeFull.x - window->ScrollbarSizes.x) + 50);
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return ImMax(0.0f, window->SizeContents.x - (window->SizeFull.x - window->ScrollbarSizes.x));
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}
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}
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float ImGui::GetScrollMaxY()
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float ImGui::GetScrollMaxY()
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@ -6479,6 +6486,7 @@ static bool DataTypeApplyOpFromText(const char* buf, const char* initial_value_b
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}
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}
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// Create text input in place of a slider (when CTRL+Clicking on slider)
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// Create text input in place of a slider (when CTRL+Clicking on slider)
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// FIXME: Logic is messy and confusing.
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bool ImGui::InputScalarAsWidgetReplacement(const ImRect& aabb, const char* label, ImGuiDataType data_type, void* data_ptr, ImGuiID id, int decimal_precision)
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bool ImGui::InputScalarAsWidgetReplacement(const ImRect& aabb, const char* label, ImGuiDataType data_type, void* data_ptr, ImGuiID id, int decimal_precision)
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{
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{
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ImGuiContext& g = *GImGui;
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ImGuiContext& g = *GImGui;
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@ -6492,9 +6500,8 @@ bool ImGui::InputScalarAsWidgetReplacement(const ImRect& aabb, const char* label
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char buf[32];
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char buf[32];
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DataTypeFormatString(data_type, data_ptr, decimal_precision, buf, IM_ARRAYSIZE(buf));
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DataTypeFormatString(data_type, data_ptr, decimal_precision, buf, IM_ARRAYSIZE(buf));
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bool text_value_changed = InputTextEx(label, buf, IM_ARRAYSIZE(buf), aabb.GetSize(), ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_AutoSelectAll);
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bool text_value_changed = InputTextEx(label, buf, IM_ARRAYSIZE(buf), aabb.GetSize(), ImGuiInputTextFlags_CharsDecimal | ImGuiInputTextFlags_AutoSelectAll);
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if (g.ScalarAsInputTextId == 0)
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if (g.ScalarAsInputTextId == 0) // First frame we started displaying the InputText widget
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{
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{
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// First frame
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IM_ASSERT(g.ActiveId == id); // InputText ID expected to match the Slider ID (else we'd need to store them both, which is also possible)
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IM_ASSERT(g.ActiveId == id); // InputText ID expected to match the Slider ID (else we'd need to store them both, which is also possible)
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g.ScalarAsInputTextId = g.ActiveId;
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g.ScalarAsInputTextId = g.ActiveId;
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SetHoveredID(id);
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SetHoveredID(id);
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@ -10410,6 +10417,7 @@ void ImGui::ShowMetricsWindow(bool* p_open)
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ImGui::Text("HoveredRootWindow: '%s'", g.HoveredRootWindow ? g.HoveredRootWindow->Name : "NULL");
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ImGui::Text("HoveredRootWindow: '%s'", g.HoveredRootWindow ? g.HoveredRootWindow->Name : "NULL");
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ImGui::Text("HoveredID: 0x%08X/0x%08X", g.HoveredId, g.HoveredIdPreviousFrame); // Data is "in-flight" so depending on when the Metrics window is called we may see current frame information or not
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ImGui::Text("HoveredID: 0x%08X/0x%08X", g.HoveredId, g.HoveredIdPreviousFrame); // Data is "in-flight" so depending on when the Metrics window is called we may see current frame information or not
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ImGui::Text("ActiveID: 0x%08X/0x%08X", g.ActiveId, g.ActiveIdPreviousFrame);
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ImGui::Text("ActiveID: 0x%08X/0x%08X", g.ActiveId, g.ActiveIdPreviousFrame);
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ImGui::Text("ActiveIdWindow: '%s", g.ActiveIdWindow ? g.ActiveIdWindow->Name : "NULL");
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ImGui::TreePop();
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ImGui::TreePop();
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}
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}
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}
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}
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Loading…
Reference in New Issue
Block a user