dix: add a few auxiliary functions for the updated focus model.
SetFocusIn and SetFocusOut, including the static array to keep all focus windows. Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
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@ -55,6 +55,7 @@
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*/
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static WindowPtr PointerWindows[MAXDEVICES];
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static WindowPtr FocusWindows[MAXDEVICES];
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/**
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* Return TRUE if @win has a pointer within its boundaries, excluding child
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@ -72,6 +73,17 @@ HasPointer(WindowPtr win)
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return FALSE;
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}
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static BOOL
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HasFocus(WindowPtr win)
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{
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int i;
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for (i = 0; i < MAXDEVICES; i++)
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if (FocusWindows[i] == win)
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return TRUE;
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return FALSE;
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}
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/**
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* Search for the first window below @win that has a pointer directly within
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* it's boundaries (excluding boundaries of its own descendants).
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@ -92,6 +104,28 @@ FirstPointerChild(WindowPtr win)
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return NULL;
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}
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/**
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* Search for the first window below @win that has a pointer directly within
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* it's boundaries (excluding boundaries of its own descendants).
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*
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* @return The child window that has the pointer within its boundaries or
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* NULL.
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*/
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static WindowPtr
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FirstFocusChild(WindowPtr win)
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{
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int i;
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for (i = 0; i < MAXDEVICES; i++)
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{
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if (FocusWindows[i] && FocusWindows[i] != PointerRootWin &&
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IsParent(win, FocusWindows[i]))
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return FocusWindows[i];
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}
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return NULL;
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}
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/**
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* Set the presence flag for @dev to mark that it is now in @win.
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@ -111,6 +145,26 @@ LeaveWindow(DeviceIntPtr dev, WindowPtr win, int mode)
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PointerWindows[dev->id] = NULL;
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}
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/**
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* Set the presence flag for @dev to mark that it is now in @win.
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*/
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void
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SetFocusIn(DeviceIntPtr dev, WindowPtr win)
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{
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FocusWindows[dev->id] = win;
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}
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/**
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* Unset the presence flag for @dev to mark that it is not in @win anymore.
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*/
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void
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SetFocusOut(DeviceIntPtr dev, WindowPtr win)
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{
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FocusWindows[dev->id] = NULL;
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}
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/**
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* @return The window that is the first ancestor of both a and b.
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