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X11: Add IPC helper window
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@ -630,6 +630,20 @@ static Cursor createHiddenCursor(void)
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return _glfwCreateCursorX11(&image, 0, 0);
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}
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// Create a helper window for IPC
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//
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static Window createHelperWindow(void)
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{
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XSetWindowAttributes wa;
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wa.event_mask = PropertyChangeMask;
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return XCreateWindow(_glfw.x11.display, _glfw.x11.root,
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0, 0, 1, 1, 0, 0,
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InputOnly,
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DefaultVisual(_glfw.x11.display, _glfw.x11.screen),
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CWEventMask, &wa);
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}
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// X error handler
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//
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static int errorHandler(Display *display, XErrorEvent* event)
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@ -741,12 +755,12 @@ int _glfwPlatformInit(void)
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_glfw.x11.screen = DefaultScreen(_glfw.x11.display);
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_glfw.x11.root = RootWindow(_glfw.x11.display, _glfw.x11.screen);
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_glfw.x11.context = XUniqueContext();
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_glfw.x11.helperWindowHandle = createHelperWindow();
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_glfw.x11.hiddenCursorHandle = createHiddenCursor();
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if (!initExtensions())
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return GLFW_FALSE;
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_glfw.x11.hiddenCursorHandle = createHiddenCursor();
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if (XSupportsLocale())
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{
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XSetLocaleModifiers("");
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@ -781,6 +795,12 @@ void _glfwPlatformTerminate(void)
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_glfw.x11.x11xcb.handle = NULL;
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}
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if (_glfw.x11.helperWindowHandle)
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{
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XDestroyWindow(_glfw.x11.display, _glfw.x11.helperWindowHandle);
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_glfw.x11.helperWindowHandle = None;
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}
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if (_glfw.x11.hiddenCursorHandle)
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{
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XFreeCursor(_glfw.x11.display, _glfw.x11.hiddenCursorHandle);
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@ -136,6 +136,8 @@ typedef struct _GLFWlibraryX11
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int screen;
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Window root;
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// Helper window for IPC
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Window helperWindowHandle;
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// Invisible cursor for hidden cursor mode
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Cursor hiddenCursorHandle;
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// Context for mapping window XIDs to _GLFWwindow pointers
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