fix: Ctrl+Shift+Q onKeyEvent ile, pkill dogru calisiyor

lib/shortcuts/app_shortcuts.dart

@@ -16,6 +16,15 @@ class AppShortcuts extends StatelessWidget {
       autofocus: true,
       onKeyEvent: (node, event) {
         if (event is KeyDownEvent) {
+          final ctrl = HardwareKeyboard.instance.isControlPressed;
+          final shift = HardwareKeyboard.instance.isShiftPressed;
+
+          // Ctrl+Shift+Q: tüm pencereleri kapat
+          if (ctrl && shift && event.logicalKey == LogicalKeyboardKey.keyQ) {
+            Process.runSync('pkill', ['imajviewer']);
+            return KeyEventResult.handled;
+          }
+
           switch (event.logicalKey) {
             case LogicalKeyboardKey.arrowLeft:
               ImageManager.instance.previousImage();
@@ -50,14 +59,6 @@ class AppShortcuts extends StatelessWidget {
           ): () {
             windowManager.close();
           },
-          // Tüm imajviewer pencerelerini kapat
-          const SingleActivator(
-            LogicalKeyboardKey.keyQ,
-            control: true,
-            shift: true,
-          ): () {
-            Process.run('pkill', ['imajviewer']);
-          },
         },
         child: child,
       ),