globalshortcuts: send mouse events to kglobalacceld

This is needed so that kglobalacceld can correctly handle modifier-only
shortcuts.

src/globalshortcuts.cpp

@@ -236,11 +236,27 @@ bool match(QList<GlobalShortcut> &shortcuts, Args... args)
 // TODO(C++20): use ranges for a nicer way of filtering by shortcut type
 bool GlobalShortcutsManager::processPointerPressed(Qt::KeyboardModifiers mods, Qt::MouseButtons pointerButtons)
 {
+    // currently only used to better support modifier only shortcuts
+    // modifier-only shortcuts are not triggered if a pointer button is pressed
+    if (m_kglobalAccelInterface) {
+        QMetaObject::invokeMethod(m_kglobalAccelInterface,
+                                  "checkPointerPressed",
+                                  Qt::DirectConnection,
+                                  Q_ARG(Qt::MouseButtons, pointerButtons));
+    }
     return match<PointerButtonShortcut>(m_shortcuts, mods, pointerButtons);
 }
 
 bool GlobalShortcutsManager::processAxis(Qt::KeyboardModifiers mods, PointerAxisDirection axis)
 {
+    // currently only used to better support modifier only shortcuts
+    // modifier-only shortcuts are not triggered if a pointer axis is used
+    if (m_kglobalAccelInterface) {
+        QMetaObject::invokeMethod(m_kglobalAccelInterface,
+                                  "checkAxisTriggered",
+                                  Qt::DirectConnection,
+                                  Q_ARG(int, axis));
+    }
     return match<PointerAxisShortcut>(m_shortcuts, mods, axis);
 }
 

src/plugins/kglobalaccel/kglobalaccel_plugin.cpp

@@ -52,4 +52,14 @@ bool KGlobalAccelImpl::checkKeyReleased(int keyQt)
     return keyReleased(keyQt);
 }
 
+bool KGlobalAccelImpl::checkPointerPressed(Qt::MouseButtons buttons)
+{
+    return pointerPressed(buttons);
+}
+
+bool KGlobalAccelImpl::checkAxisTriggered(int axis)
+{
+    return axisTriggered(axis);
+}
+
 #include "moc_kglobalaccel_plugin.cpp"

src/plugins/kglobalaccel/kglobalaccel_plugin.h

@@ -28,6 +28,8 @@ public:
 public Q_SLOTS:
     bool checkKeyPressed(int keyQt);
     bool checkKeyReleased(int keyQt);
+    bool checkPointerPressed(Qt::MouseButtons buttons);
+    bool checkAxisTriggered(int axis);
 
 private:
     bool m_shuttingDown = false;