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Make XYToWindow a screen function

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This allows DDXen to override the window picking to account for
native windows not seen by the X server.  The bulk of the picking logic
is exposed as a new helper function, miSpriteTrace().  This function
completes the sprite trace filled out by the caller, and can be set up
to start the search from a given toplevel window.

v2: Leave existing XYToWindow API in place for API compatibility

Signed-off-by: Keith Packard <keithp@keithp.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
This commit is contained in:
Keith Packard 2014-03-31 23:55:25 -07:00 • committed by Kristian Høgsberg
commit 73698d41e4
6 changed files with 79 additions and 43 deletions
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4
mi/mi.h
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@ -507,6 +507,10 @@ extern _X_EXPORT void miMarkUnrealizedWindow(WindowPtr /*pChild */ ,
extern _X_EXPORT void miSegregateChildren(WindowPtr pWin, RegionPtr pReg,
int depth);
extern _X_EXPORT WindowPtr miSpriteTrace(SpritePtr pSprite, int x, int y);
extern _X_EXPORT WindowPtr miXYToWindow(ScreenPtr pScreen, SpritePtr pSprite, int x, int y);
/* mizerarc.c */
extern _X_EXPORT void miZeroPolyArc(DrawablePtr /*pDraw */ ,