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XQuartz: RandR: Capture the display when switching modes with RandR

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This will prevent native windows from resizing as we change resolutions.

Signed-off-by: Jeremy Huddleston <jeremyhu@apple.com>
This commit is contained in:
Jeremy Huddleston 2011-02-08 11:37:52 -08:00
commit 13578b852b
5 changed files with 23 additions and 0 deletions
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13
hw/xquartz/quartzRandR.c
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@ -346,6 +346,14 @@ static int QuartzRandRRegisterModeCallback (ScreenPtr pScreen,
static Bool QuartzRandRSetMode(ScreenPtr pScreen, QuartzModeInfoPtr pMode, BOOL doRegister) {
QuartzScreenPtr pQuartzScreen = QUARTZ_PRIV(pScreen);
CGDirectDisplayID screenId = pQuartzScreen->displayIDs[0];
Bool captureDisplay = (pMode->refresh != FAKE_REFRESH_FULLSCREEN && pMode->refresh != FAKE_REFRESH_ROOTLESS);
if(XQuartzShieldingWindowLevel == 0 && captureDisplay) {
CGCaptureAllDisplays();
XQuartzShieldingWindowLevel = CGShieldingWindowLevel(); // 2147483630
DEBUG_LOG("Display captured. ShieldWindowID: %u, Shield level: %d\n",
CGShieldingWindowID(screenId), XQuartzShieldingWindowLevel);
}
if (pQuartzScreen->currentMode.ref && CFEqual(pMode->ref, pQuartzScreen->currentMode.ref)) {
DEBUG_LOG("Requested RandR resolution matches current CG mode\n");
@ -369,6 +377,11 @@ static Bool QuartzRandRSetMode(ScreenPtr pScreen, QuartzModeInfoPtr pMode, BOOL
pQuartzScreen->currentMode = *pMode;
CFRetain(pQuartzScreen->currentMode.ref);
if(XQuartzShieldingWindowLevel != 0 && !captureDisplay) {
CGReleaseAllDisplays();
XQuartzShieldingWindowLevel = 0;
}
return TRUE;
}