21 lines
764 B
Diff
21 lines
764 B
Diff
diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
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--- a/widget/gtk/nsWindow.cpp
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+++ b/widget/gtk/nsWindow.cpp
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@@ -1593,7 +1593,14 @@
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// Get anchor rectangle
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LayoutDeviceIntRect anchorRect(0, 0, 0, 0);
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nsMenuPopupFrame* popupFrame = GetMenuPopupFrame(GetFrame());
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- int32_t p2a = AppUnitsPerCSSPixel() / gfxPlatformGtk::GetFontScaleFactor();
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+
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+ int32_t p2a;
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+ double devPixelsPerCSSPixel = StaticPrefs::layout_css_devPixelsPerPx();
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+ if (devPixelsPerCSSPixel > 0.0) {
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+ p2a = AppUnitsPerCSSPixel() / devPixelsPerCSSPixel * GdkScaleFactor();
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+ } else {
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+ p2a = AppUnitsPerCSSPixel() / gfxPlatformGtk::GetFontScaleFactor();
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+ }
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if (popupFrame) {
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#ifdef MOZ_WAYLAND
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anchorRect = LayoutDeviceIntRect::FromAppUnitsToOutside(
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