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Bug 1274368 - Draw resizer as RTL for elements with vertical-rl writing mode. r=dholbert

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This commit is contained in:
Jonathan Kew
2016-05-21 13:59:25 +01:00
parent 2b2b52b6ca
commit b87792ac80
1 changed files with 8 additions and 1 deletions
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9
widget/gtk/nsNativeThemeGTK.cpp
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@@ -1095,7 +1095,14 @@ nsNativeThemeGTK::DrawWidgetBackground(nsRenderingContext* aContext,
{
GtkWidgetState state;
WidgetNodeType gtkWidgetType;
GtkTextDirection direction = GetTextDirection(aFrame);
// For resizer drawing, we want IsFrameRTL, which treats vertical-rl modes
// as right-to-left (in addition to horizontal text with direction=RTL),
// rather than just considering the text direction.
// This will make resizers on vertically-oriented elements render properly.
GtkTextDirection direction =
aWidgetType == NS_THEME_RESIZER
? (IsFrameRTL(aFrame) ? GTK_TEXT_DIR_RTL : GTK_TEXT_DIR_LTR)
: GetTextDirection(aFrame);
gint flags;
if (!GetGtkWidgetAndState(aWidgetType, aFrame, gtkWidgetType, &state,
&flags))