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Refactor cursor mode paths
This is the refactoring part of adding GLFW_CURSOR_CAPTURED, separated out to help keep 3.3-stable similar to the main branch. Related to #58.
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@ -452,6 +452,8 @@ typedef struct _GLFWlibraryWin32
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double restoreCursorPosX, restoreCursorPosY;
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// The window whose disabled cursor mode is active
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_GLFWwindow* disabledCursorWindow;
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// The window the cursor is captured in
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_GLFWwindow* capturedCursorWindow;
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RAWINPUT* rawInput;
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int rawInputSize;
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UINT mouseTrailSize;
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@ -249,20 +249,24 @@ static void updateCursorImage(_GLFWwindow* window)
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SetCursor(NULL);
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}
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// Updates the cursor clip rect
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// Sets the cursor clip rect to the window content area
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//
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static void updateClipRect(_GLFWwindow* window)
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static void captureCursor(_GLFWwindow* window)
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{
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if (window)
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{
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RECT clipRect;
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GetClientRect(window->win32.handle, &clipRect);
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ClientToScreen(window->win32.handle, (POINT*) &clipRect.left);
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ClientToScreen(window->win32.handle, (POINT*) &clipRect.right);
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ClipCursor(&clipRect);
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}
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else
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ClipCursor(NULL);
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RECT clipRect;
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GetClientRect(window->win32.handle, &clipRect);
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ClientToScreen(window->win32.handle, (POINT*) &clipRect.left);
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ClientToScreen(window->win32.handle, (POINT*) &clipRect.right);
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ClipCursor(&clipRect);
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_glfw.win32.capturedCursorWindow = window;
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}
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// Disabled clip cursor
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//
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static void releaseCursor(void)
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{
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ClipCursor(NULL);
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_glfw.win32.capturedCursorWindow = NULL;
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}
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// Enables WM_INPUT messages for the mouse for the specified window
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@ -301,7 +305,7 @@ static void disableCursor(_GLFWwindow* window)
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&_glfw.win32.restoreCursorPosY);
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updateCursorImage(window);
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_glfwCenterCursorInContentArea(window);
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updateClipRect(window);
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captureCursor(window);
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if (window->rawMouseMotion)
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enableRawMouseMotion(window);
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@ -315,7 +319,7 @@ static void enableCursor(_GLFWwindow* window)
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disableRawMouseMotion(window);
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_glfw.win32.disabledCursorWindow = NULL;
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updateClipRect(NULL);
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releaseCursor();
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_glfwSetCursorPosWin32(window,
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_glfw.win32.restoreCursorPosX,
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_glfw.win32.restoreCursorPosY);
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@ -1004,8 +1008,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
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(window->win32.maximized &&
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wParam != SIZE_RESTORED);
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if (_glfw.win32.disabledCursorWindow == window)
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updateClipRect(window);
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if (_glfw.win32.capturedCursorWindow == window)
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captureCursor(window);
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if (window->win32.iconified != iconified)
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_glfwInputWindowIconify(window, iconified);
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@ -1040,8 +1044,8 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM l
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case WM_MOVE:
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{
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if (_glfw.win32.disabledCursorWindow == window)
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updateClipRect(window);
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if (_glfw.win32.capturedCursorWindow == window)
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captureCursor(window);
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// NOTE: This cannot use LOWORD/HIWORD recommended by MSDN, as
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// those macros do not handle negative window positions correctly
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@ -1495,7 +1499,10 @@ void _glfwDestroyWindowWin32(_GLFWwindow* window)
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window->context.destroy(window);
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if (_glfw.win32.disabledCursorWindow == window)
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_glfw.win32.disabledCursorWindow = NULL;
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enableCursor(window);
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if (_glfw.win32.capturedCursorWindow == window)
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releaseCursor();
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if (window->win32.handle)
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{
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@ -2142,14 +2149,40 @@ void _glfwSetCursorPosWin32(_GLFWwindow* window, double xpos, double ypos)
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void _glfwSetCursorModeWin32(_GLFWwindow* window, int mode)
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{
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if (mode == GLFW_CURSOR_DISABLED)
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if (_glfwWindowFocusedWin32(window))
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{
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if (_glfwWindowFocusedWin32(window))
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disableCursor(window);
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if (mode == GLFW_CURSOR_DISABLED)
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{
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_glfwGetCursorPosWin32(window,
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&_glfw.win32.restoreCursorPosX,
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&_glfw.win32.restoreCursorPosY);
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_glfwCenterCursorInContentArea(window);
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if (window->rawMouseMotion)
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enableRawMouseMotion(window);
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}
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else if (_glfw.win32.disabledCursorWindow == window)
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{
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if (window->rawMouseMotion)
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disableRawMouseMotion(window);
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}
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if (mode == GLFW_CURSOR_DISABLED)
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captureCursor(window);
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else
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releaseCursor();
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if (mode == GLFW_CURSOR_DISABLED)
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_glfw.win32.disabledCursorWindow = window;
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else if (_glfw.win32.disabledCursorWindow == window)
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{
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_glfw.win32.disabledCursorWindow = NULL;
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_glfwSetCursorPosWin32(window,
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_glfw.win32.restoreCursorPosX,
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_glfw.win32.restoreCursorPosY);
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}
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}
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else if (_glfw.win32.disabledCursorWindow == window)
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enableCursor(window);
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else if (cursorInContentArea(window))
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if (cursorInContentArea(window))
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updateCursorImage(window);
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}
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@ -2556,7 +2556,8 @@ void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
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if (!window->wl.lockedPointer)
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lockPointer(window);
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}
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else
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else if (window->cursorMode == GLFW_CURSOR_NORMAL ||
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window->cursorMode == GLFW_CURSOR_HIDDEN)
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{
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if (window->wl.lockedPointer)
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unlockPointer(window);
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@ -2597,8 +2598,11 @@ void _glfwSetCursorWayland(_GLFWwindow* window, _GLFWcursor* cursor)
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setCursorImage(window, &cursorWayland);
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}
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}
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else
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else if (window->cursorMode == GLFW_CURSOR_HIDDEN ||
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window->cursorMode == GLFW_CURSOR_DISABLED)
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{
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wl_pointer_set_cursor(_glfw.wl.pointer, _glfw.wl.pointerEnterSerial, NULL, 0, 0);
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}
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}
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static void dataSourceHandleTarget(void* userData,
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@ -470,6 +470,25 @@ static void updateCursorImage(_GLFWwindow* window)
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}
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}
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// Grabs the cursor and confines it to the window
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//
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static void captureCursor(_GLFWwindow* window)
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{
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XGrabPointer(_glfw.x11.display, window->x11.handle, True,
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ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
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GrabModeAsync, GrabModeAsync,
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window->x11.handle,
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None,
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CurrentTime);
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}
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// Ungrabs the cursor
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//
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static void releaseCursor(void)
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{
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XUngrabPointer(_glfw.x11.display, CurrentTime);
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}
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// Enable XI2 raw mouse motion events
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//
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static void enableRawMouseMotion(_GLFWwindow* window)
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@ -512,12 +531,7 @@ static void disableCursor(_GLFWwindow* window)
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&_glfw.x11.restoreCursorPosY);
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updateCursorImage(window);
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_glfwCenterCursorInContentArea(window);
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XGrabPointer(_glfw.x11.display, window->x11.handle, True,
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ButtonPressMask | ButtonReleaseMask | PointerMotionMask,
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GrabModeAsync, GrabModeAsync,
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window->x11.handle,
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_glfw.x11.hiddenCursorHandle,
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CurrentTime);
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captureCursor(window);
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}
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// Exit disabled cursor mode for the specified window
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@ -528,7 +542,7 @@ static void enableCursor(_GLFWwindow* window)
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disableRawMouseMotion(window);
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_glfw.x11.disabledCursorWindow = NULL;
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XUngrabPointer(_glfw.x11.display, CurrentTime);
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releaseCursor();
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_glfwSetCursorPosX11(window,
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_glfw.x11.restoreCursorPosX,
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_glfw.x11.restoreCursorPosY);
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@ -1986,7 +2000,7 @@ GLFWbool _glfwCreateWindowX11(_GLFWwindow* window,
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void _glfwDestroyWindowX11(_GLFWwindow* window)
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{
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if (_glfw.x11.disabledCursorWindow == window)
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_glfw.x11.disabledCursorWindow = NULL;
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enableCursor(window);
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if (window->monitor)
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releaseMonitor(window);
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@ -2800,16 +2814,40 @@ void _glfwSetCursorPosX11(_GLFWwindow* window, double x, double y)
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void _glfwSetCursorModeX11(_GLFWwindow* window, int mode)
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{
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if (mode == GLFW_CURSOR_DISABLED)
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if (_glfwWindowFocusedX11(window))
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{
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if (_glfwWindowFocusedX11(window))
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disableCursor(window);
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}
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else if (_glfw.x11.disabledCursorWindow == window)
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enableCursor(window);
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else
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updateCursorImage(window);
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if (mode == GLFW_CURSOR_DISABLED)
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{
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_glfwGetCursorPosX11(window,
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&_glfw.x11.restoreCursorPosX,
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&_glfw.x11.restoreCursorPosY);
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_glfwCenterCursorInContentArea(window);
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if (window->rawMouseMotion)
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enableRawMouseMotion(window);
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}
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else if (_glfw.x11.disabledCursorWindow == window)
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{
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if (window->rawMouseMotion)
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disableRawMouseMotion(window);
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}
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if (mode == GLFW_CURSOR_DISABLED)
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captureCursor(window);
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else
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releaseCursor();
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if (mode == GLFW_CURSOR_DISABLED)
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_glfw.x11.disabledCursorWindow = window;
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else if (_glfw.x11.disabledCursorWindow == window)
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{
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_glfw.x11.disabledCursorWindow = NULL;
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_glfwSetCursorPosX11(window,
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_glfw.x11.restoreCursorPosX,
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_glfw.x11.restoreCursorPosY);
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}
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}
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updateCursorImage(window);
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XFlush(_glfw.x11.display);
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}
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