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Bug 1245442 - Backout cset 9bde73f95ead (part 9 from bug 890156) for breaking the minimize/maximize/close buttons when a window is maximized on a monitor with non-system DPI. r=emk

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This commit is contained in:
Jonathan Kew 2016-03-01 12:08:35 +00:00
parent b5be33e28b
commit 981fc99698
1 changed files with 0 additions and 12 deletions
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12
widget/windows/nsWindow.cpp
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@ -2326,18 +2326,6 @@ nsWindow::UpdateNonClientMargins(int32_t aSizeMode, bool aReflowWindow)
// maximized. If we try to mess with the frame sizes by setting these
// offsets to positive values, our client area will fall off the screen.
mNonClientOffset.top = mCaptionHeight;
// Adjust for the case where the window is maximized on a screen with DPI
// different from the primary monitor; this seems to be linked to Windows'
// failure to scale the non-client area the same as the client area.
// Any modifications here need to be tested for both high- and low-dpi
// secondary displays, and for windows both with and without the titlebar
// and/or menubar displayed.
double ourScale = WinUtils::LogToPhysFactor(mWnd);
double primaryScale =
WinUtils::LogToPhysFactor(WinUtils::GetPrimaryMonitor());
mNonClientOffset.top +=
NSToIntRound(mVertResizeMargin * (ourScale - primaryScale));
mNonClientOffset.bottom = 0;
mNonClientOffset.left = 0;
mNonClientOffset.right = 0;