Add setter for property QStyleHints::showShortcutsInContextMenus

Add a tri-state setter logic similar to the other properties.

Fixes: QTBUG-71471
Change-Id: Iddb5be18a037634a53ad8725bddb91c12fb33fed
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>

2 files changed, 20 insertions, 2 deletions

diff --git a/src/gui/kernel/qstylehints.cpp b/src/gui/kernel/qstylehints.cpp
index b00e6fb0fd..9b5b7a6f1e 100644
--- a/src/gui/kernel/qstylehints.cpp
+++ b/src/gui/kernel/qstylehints.cpp
@@ -77,6 +77,7 @@ public:
     int m_cursorFlashTime = -1;
     int m_tabFocusBehavior = -1;
     int m_uiEffects = -1;
+    int m_showShortcutsInContextMenus = -1;
     int m_wheelScrollLines = -1;
     int m_mouseQuickSelectionThreshold = -1;
 };
@@ -358,10 +359,25 @@ bool QStyleHints::showIsMaximized() const
     \since 5.10
     \brief \c true if the platform normally shows shortcut key sequences in
     context menus, otherwise \c false.
+
+    Since Qt 5.13, the setShowShortcutsInContextMenus() function can be used to
+    override the platform default.
 */
 bool QStyleHints::showShortcutsInContextMenus() const
 {
-    return themeableHint(QPlatformTheme::ShowShortcutsInContextMenus, QPlatformIntegration::ShowShortcutsInContextMenus).toBool();
+    Q_D(const QStyleHints);
+    return d->m_showShortcutsInContextMenus >= 0
+        ? d->m_showShortcutsInContextMenus != 0
+        : themeableHint(QPlatformTheme::ShowShortcutsInContextMenus, QPlatformIntegration::ShowShortcutsInContextMenus).toBool();
+}
+
+void QStyleHints::setShowShortcutsInContextMenus(bool s)
+{
+    Q_D(QStyleHints);
+    if (s != showShortcutsInContextMenus()) {
+        d->m_showShortcutsInContextMenus = s ? 1 : 0;
+        emit showShortcutsInContextMenusChanged(s);
+    }
 }
 
 /*!
diff --git a/src/gui/kernel/qstylehints.h b/src/gui/kernel/qstylehints.h
index 7b0683e9b1..9091db9624 100644
--- a/src/gui/kernel/qstylehints.h
+++ b/src/gui/kernel/qstylehints.h
@@ -64,7 +64,7 @@ class Q_GUI_EXPORT QStyleHints : public QObject
     Q_PROPERTY(bool setFocusOnTouchRelease READ setFocusOnTouchRelease STORED false CONSTANT FINAL)
     Q_PROPERTY(bool showIsFullScreen READ showIsFullScreen STORED false CONSTANT FINAL)
     Q_PROPERTY(bool showIsMaximized READ showIsMaximized STORED false CONSTANT FINAL)
-    Q_PROPERTY(bool showShortcutsInContextMenus READ showShortcutsInContextMenus STORED false CONSTANT FINAL)
+    Q_PROPERTY(bool showShortcutsInContextMenus READ showShortcutsInContextMenus WRITE setShowShortcutsInContextMenus NOTIFY showShortcutsInContextMenusChanged FINAL)
     Q_PROPERTY(int startDragDistance READ startDragDistance NOTIFY startDragDistanceChanged FINAL)
     Q_PROPERTY(int startDragTime READ startDragTime NOTIFY startDragTimeChanged FINAL)
     Q_PROPERTY(int startDragVelocity READ startDragVelocity STORED false CONSTANT FINAL)
@@ -93,6 +93,7 @@ public:
     bool showIsFullScreen() const;
     bool showIsMaximized() const;
     bool showShortcutsInContextMenus() const;
+    void setShowShortcutsInContextMenus(bool showShortcutsInContextMenus);
     int passwordMaskDelay() const;
     QChar passwordMaskCharacter() const;
     qreal fontSmoothingGamma() const;
@@ -117,6 +118,7 @@ Q_SIGNALS:
     void startDragTimeChanged(int startDragTime);
     void tabFocusBehaviorChanged(Qt::TabFocusBehavior tabFocusBehavior);
     void useHoverEffectsChanged(bool useHoverEffects);
+    void showShortcutsInContextMenusChanged(bool);
     void wheelScrollLinesChanged(int scrollLines);
     void mouseQuickSelectionThresholdChanged(int threshold);