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Cocoa: Fix modifier keys getting lost due to global system shortcuts

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In normal situations modifier key release triggers flagsChanged with
the corresponding keyCode for that modifier key. If the user does a
global system shortcut such as screenshoting with cmd+ctrl+shift+4
then we will see the keyDown for the cmd+ctrl+shift but no keyUp or
flagsChanged after the screenshot is complete. This will leave
window->keys in the wrong state: the modifier keys will be stuck in
GLFW_PRESS until they are individually pressed and released again or
window focus changes.

When the screenshot chord is finished we _do_ get a flagsChanged event
but with the keyCode for "a" (which is weird) but the modifiers are
valid so we simply just emit each of their states and let _glfwInputKey
handle de-duplicating the event if needed.
This commit is contained in:
Max Thrun 2023-11-06 22:17:37 -08:00
parent 3eaf1255b2
commit 89aea6bb95
1 changed files with 9 additions and 0 deletions
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9
src/cocoa_window.m
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@ -586,6 +586,15 @@ static const NSRange kEmptyRange = { NSNotFound, 0 };
action = GLFW_RELEASE;
_glfwInputKey(window, key, [event keyCode], action, mods);
_glfwInputKey(window, GLFW_KEY_LEFT_SHIFT , _glfw.ns.scancodes[GLFW_KEY_LEFT_SHIFT ], mods & GLFW_MOD_SHIFT ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_LEFT_CONTROL , _glfw.ns.scancodes[GLFW_KEY_LEFT_CONTROL ], mods & GLFW_MOD_CONTROL ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_LEFT_ALT , _glfw.ns.scancodes[GLFW_KEY_LEFT_ALT ], mods & GLFW_MOD_ALT ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_LEFT_SUPER , _glfw.ns.scancodes[GLFW_KEY_LEFT_SUPER ], mods & GLFW_MOD_SUPER ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_SHIFT , _glfw.ns.scancodes[GLFW_KEY_RIGHT_SHIFT ], mods & GLFW_MOD_SHIFT ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_CONTROL, _glfw.ns.scancodes[GLFW_KEY_RIGHT_CONTROL], mods & GLFW_MOD_CONTROL ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_ALT , _glfw.ns.scancodes[GLFW_KEY_RIGHT_ALT ], mods & GLFW_MOD_ALT ? GLFW_PRESS : GLFW_RELEASE, mods);
_glfwInputKey(window, GLFW_KEY_RIGHT_SUPER , _glfw.ns.scancodes[GLFW_KEY_RIGHT_SUPER ], mods & GLFW_MOD_SUPER ? GLFW_PRESS : GLFW_RELEASE, mods);
}
- (void)keyUp:(NSEvent *)event