summaryrefslogtreecommitdiffstats
path: root/src/gui/kernel/qwidget.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/kernel/qwidget.cpp')
-rw-r--r--src/gui/kernel/qwidget.cpp43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index 1e9b1d9..2f6ec6b 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -118,6 +118,10 @@
#include "private/qgraphicssystem_p.h"
#include "private/qgesturemanager_p.h"
+#ifdef QT_KEYPAD_NAVIGATION
+#include "qtabwidget.h" // Needed in inTabWidget()
+#endif // QT_KEYPAD_NAVIGATION
+
// widget/widget data creation count
//#define QWIDGET_EXTRA_DEBUG
//#define ALIEN_DEBUG
@@ -11641,6 +11645,45 @@ QWidget *QWidgetPrivate::widgetInNavigationDirection(Direction direction)
}
return targetWidget;
}
+
+/*!
+ \internal
+
+ Tells us if it there is currently a reachable widget by keypad navigation in
+ a certain \a orientation.
+ If no navigation is possible, occuring key events in that \a orientation may
+ be used to interact with the value in the focussed widget, even though it
+ currently has not the editFocus.
+
+ \sa QWidgetPrivate::widgetInNavigationDirection(), QWidget::hasEditFocus()
+*/
+bool QWidgetPrivate::canKeypadNavigate(Qt::Orientation orientation)
+{
+ return orientation == Qt::Horizontal?
+ (QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionEast)
+ || QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionWest))
+ :(QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionNorth)
+ || QWidgetPrivate::widgetInNavigationDirection(QWidgetPrivate::DirectionSouth));
+}
+/*!
+ \internal
+
+ Checks, if the \a widget is inside a QTabWidget. If is is inside
+ one, left/right key events will be used to switch between tabs in keypad
+ navigation. If there is no QTabWidget, the horizontal key events can be used
+to
+ interact with the value in the focussed widget, even though it currently has
+ not the editFocus.
+
+ \sa QWidget::hasEditFocus()
+*/
+bool QWidgetPrivate::inTabWidget(QWidget *widget)
+{
+ for (QWidget *tabWidget = widget; tabWidget; tabWidget = tabWidget->parentWidget())
+ if (qobject_cast<const QTabWidget*>(tabWidget))
+ return true;
+ return false;
+}
#endif
/*!