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-rw-r--r--src/gui/kernel/qguiapplication.cpp11
1 files changed, 8 insertions, 3 deletions
diff --git a/src/gui/kernel/qguiapplication.cpp b/src/gui/kernel/qguiapplication.cpp
index f88f6dc01a..49a05c48dd 100644
--- a/src/gui/kernel/qguiapplication.cpp
+++ b/src/gui/kernel/qguiapplication.cpp
@@ -165,7 +165,7 @@ int QGuiApplicationPrivate::mouse_double_click_distance = -1;
QWindow *QGuiApplicationPrivate::currentMousePressWindow = 0;
-static Qt::LayoutDirection layout_direction = Qt::LeftToRight;
+static Qt::LayoutDirection layout_direction = Qt::LayoutDirectionAuto;
static bool force_reverse = false;
QGuiApplicationPrivate *QGuiApplicationPrivate::self = 0;
@@ -1305,7 +1305,6 @@ void QGuiApplicationPrivate::init()
pluginList << argv[i];
} else if (arg == "-reverse") {
force_reverse = true;
- QGuiApplication::setLayoutDirection(Qt::RightToLeft);
#ifdef Q_OS_MAC
} else if (arg.startsWith("-psn_")) {
// eat "-psn_xxxx" on Mac, which is passed when starting an app from Finder.
@@ -1429,6 +1428,9 @@ void QGuiApplicationPrivate::init()
#else
Q_UNUSED(loadTestability);
#endif // QT_NO_LIBRARY
+
+ if (layout_direction == Qt::LayoutDirectionAuto || force_reverse)
+ QGuiApplication::setLayoutDirection(qt_detectRTLLanguage() ? Qt::RightToLeft : Qt::LeftToRight);
}
extern void qt_cleanupFontDatabase();
@@ -3300,7 +3302,10 @@ void QGuiApplication::setLayoutDirection(Qt::LayoutDirection direction)
Qt::LayoutDirection QGuiApplication::layoutDirection()
{
- return layout_direction;
+ // layout_direction is only ever Qt::LayoutDirectionAuto if setLayoutDirection
+ // was never called, or called with Qt::LayoutDirectionAuto (which is a no-op).
+ // In that case we return the default LeftToRight.
+ return layout_direction == Qt::LayoutDirectionAuto ? Qt::LeftToRight : layout_direction;
}
/*!