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Bug 574778 - Fix win widget's ConstrainPosition so that it supports full screen windows properly. r=robarnold.

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This commit is contained in:
Jim Mathies 2010-07-19 23:19:48 -05:00
parent 1efbdf7b98
commit 5d328c410f
1 changed files with 14 additions and 2 deletions
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16
widget/src/windows/nsWindow.cpp
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@ -1611,7 +1611,13 @@ NS_METHOD nsWindow::ConstrainPosition(PRBool aAllowSlop,
screenmgr->ScreenForRect(*aX, *aY, width, height,
getter_AddRefs(screen));
if (screen) {
screen->GetAvailRect(&left, &top, &width, &height);
if (mSizeMode != nsSizeMode_Fullscreen) {
// For normalized windows, use the desktop work area.
screen->GetAvailRect(&left, &top, &width, &height);
} else {
// For full screen windows, use the desktop.
screen->GetRect(&left, &top, &width, &height);
}
screenRect.left = left;
screenRect.right = left+width;
screenRect.top = top;
@ -1623,7 +1629,13 @@ NS_METHOD nsWindow::ConstrainPosition(PRBool aAllowSlop,
HDC dc = ::GetDC(mWnd);
if (dc) {
if (::GetDeviceCaps(dc, TECHNOLOGY) == DT_RASDISPLAY) {
::SystemParametersInfo(SPI_GETWORKAREA, 0, &screenRect, 0);
if (mSizeMode != nsSizeMode_Fullscreen) {
::SystemParametersInfo(SPI_GETWORKAREA, 0, &screenRect, 0);
} else {
screenRect.left = screenRect.top = 0;
screenRect.right = GetSystemMetrics(SM_CXFULLSCREEN);
screenRect.bottom = GetSystemMetrics(SM_CYFULLSCREEN);
}
doConstrain = PR_TRUE;
}
::ReleaseDC(mWnd, dc);