Fix Tools menu items not disabling alongside tool buttons

include/mainwindow.h

@@ -231,24 +231,18 @@ private slots:
     void on_actionBetter_Cursors_triggered();
     void on_actionPlayer_View_Rectangle_triggered();
     void on_actionCursor_Tile_Outline_triggered();
-    void on_actionPencil_triggered();
-    void on_actionPointer_triggered();
-    void on_actionFlood_Fill_triggered();
-    void on_actionEyedropper_triggered();
-    void on_actionMove_triggered();
-    void on_actionMap_Shift_triggered();
 
     void tryAddEventTab(QWidget * tab);
     void displayEventTabs();
     void updateSelectedEvents();
     void updateEvents();
 
-    void on_toolButton_Paint_clicked();
-    void on_toolButton_Select_clicked();
-    void on_toolButton_Fill_clicked();
-    void on_toolButton_Dropper_clicked();
-    void on_toolButton_Move_clicked();
-    void on_toolButton_Shift_clicked();
+    void activatePaintTool();
+    void activateSelectTool();
+    void activateFillTool();
+    void activatePickTool();
+    void activateMoveTool();
+    void activateShiftTool();
 
     void onOpenMapListContextMenu(const QPoint &point);
     void currentMetatilesSelectionChanged();
@@ -429,6 +423,7 @@ private:
     void initLogStatusBar();
     void initCustomUI();
     void initExtraSignals();
+    void connectToolButtons();
     void initEditor();
     void initMiscHeapObjects();
     void initMapList();

include/ui/eventfilters.h

@@ -17,15 +17,22 @@ public slots:
 };
 
 
-/// Emits a signal when a window gets activated / regains focus
-class ActiveWindowFilter : public QObject {
+/// Emits a signal when the given event or events occur
+class EventSignaler : public QObject {
     Q_OBJECT
 public:
-    ActiveWindowFilter(QObject *parent) : QObject(parent) {}
-    virtual ~ActiveWindowFilter() {}
+    EventSignaler(const QSet<QEvent::Type>& types, QObject *parent) : QObject(parent), m_types(types) {}
+    EventSignaler(QEvent::Type type, QObject *parent) : EventSignaler(QSet<QEvent::Type>{type}, parent) {}
+    virtual ~EventSignaler() {}
+
+    void addEventType(QEvent::Type type) { m_types.insert(type); }
+    void removeEventType(QEvent::Type type) { m_types.remove(type); }
+
     bool eventFilter(QObject *obj, QEvent *event) override;
 signals:
-    void activated();
+    void triggered();
+private:
+    QSet<QEvent::Type> m_types;
 };