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Examples: example_apple_opengl2: Fix keys remaining stuck in pressed state when using shortcuts with CMD. (#4253)

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Fix follows event capture scheme of example_apple_metal, where this issue is not present.
This commit is contained in:
rokups 2021-06-25 11:43:30 +03:00 committed by ocornut
parent e534c56485
commit 30224fdde0
2 changed files with 11 additions and 4 deletions
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2
docs/CHANGELOG.txt
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@ -60,6 +60,8 @@ Other Changes:
- Backends: OpenGL3: Handle GL_CLIP_ORIGIN on <4.5 contexts if "GL_ARB_clip_control" extension is detected. (#4170, #3998)
- Backends: OpenGL3: Destroy vertex/fragment shader objects right after they are linked into main shader. (#4244) [@Crowbarous]
- Backends: OSX: Added a fix for shortcuts using CTRL key instead of CMD key. (#4253) [@rokups]
- Examples: OSX+OpenGL2: Fix event forwarding (fix key remaining stuck when using shortcuts with Cmd/Super key).
Other OSX examples were not affected. (#4253, #1873) [@rokups]
- Examples: Updated all .vcxproj to VS2015 (toolset v140) to facilitate usage with vcpkg.
- Examples: SDL2: Accomodate for vcpkg install having headers in SDL2/SDL.h vs SDL.h.

13
examples/example_apple_opengl2/main.mm
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@ -140,9 +140,6 @@
}
// Forward Mouse/Keyboard events to Dear ImGui OSX backend.
-(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)rightMouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)otherMouseDown:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
@ -155,7 +152,6 @@
-(void)mouseDragged:(NSEvent *)event { ImGui_ImplOSX_HandleEvent(event, self); }
-(void)rightMouseDragged:(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
@ -243,6 +239,15 @@
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();