XQuartz: Constrain the pointer to the updated display bounds on display reconfigure.

http://xquartz.macosforge.org/trac/ticket/346

1 files changed, 11 insertions, 2 deletions

diff --git a/hw/xquartz/quartz.c b/hw/xquartz/quartz.c
index 3c0420580..59107be84 100644
--- a/hw/xquartz/quartz.c
+++ b/hw/xquartz/quartz.c
@@ -241,6 +241,7 @@ void QuartzUpdateScreens(void) {
     WindowPtr pRoot;
     int x, y, width, height, sx, sy;
     xEvent e;
+    BoxRec bounds;
     
     if (noPseudoramiXExtension || screenInfo.numScreens != 1)
     {
@@ -277,8 +278,16 @@ void QuartzUpdateScreens(void) {
     //pScreen->PaintWindowBackground (pRoot, &pRoot->borderClip,  PW_BACKGROUND);
     miPaintWindow(pRoot, &pRoot->borderClip,  PW_BACKGROUND);
 
-//  TODO: This is a noop in 1.6 and nuked in master... we may need to do something else now to handle it
-//    DefineInitialRootWindow(pRoot);
+    /* <rdar://problem/7770779> pointer events are clipped to old display region after display reconfiguration
+     * http://xquartz.macosforge.org/trac/ticket/346
+     */
+    bounds.x1 = 0;
+    bounds.x2 = width;
+    bounds.y1 = 0;
+    bounds.y2 = height;
+    pScreen->ConstrainCursor(inputInfo.pointer, pScreen, &bounds);
+    inputInfo.pointer->spriteInfo->sprite->physLimits = bounds;
+    inputInfo.pointer->spriteInfo->sprite->hotLimits = bounds;
 
     DEBUG_LOG("Root Window: %dx%d @ (%d, %d) darwinMainScreen (%d, %d) xy (%d, %d) dixScreenOrigins (%d, %d)\n", width, height, x - sx, y - sy, darwinMainScreenX, darwinMainScreenY, x, y, dixScreenOrigins[pScreen->myNum].x, dixScreenOrigins[pScreen->myNum].y);