fix: ok tuşları + buton hover/siyah border + çift tıklama cover

lib/shortcuts/app_shortcuts.dart

@@ -11,48 +11,50 @@ class AppShortcuts extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return CallbackShortcuts(
+    return Focus(
-      bindings: {
+      autofocus: true,
-        // Navigate images
+      onKeyEvent: (node, event) {
-        const SingleActivator(LogicalKeyboardKey.arrowLeft): () {
+        if (event is KeyDownEvent) {
-          ImageManager.instance.previousImage();
+          switch (event.logicalKey) {
-        },
+            case LogicalKeyboardKey.arrowLeft:
-        const SingleActivator(LogicalKeyboardKey.arrowRight): () {
+              ImageManager.instance.previousImage();
-          ImageManager.instance.nextImage();
+              return KeyEventResult.handled;
-        },
+            case LogicalKeyboardKey.arrowRight:
-
+              ImageManager.instance.nextImage();
-        // Open file dialog
+              return KeyEventResult.handled;
-        const SingleActivator(
+            case LogicalKeyboardKey.escape:
-          LogicalKeyboardKey.keyO,
+              windowManager.isFullScreen().then((isFullscreen) {
-          control: true,
+                if (isFullscreen) windowManager.setFullScreen(false);
-        ): () {
+              });
-          FileHandler.openFileDialog();
+              return KeyEventResult.handled;
-        },
-
-        // Fullscreen toggle
-        const SingleActivator(LogicalKeyboardKey.f11): () async {
-          final isFullscreen = await windowManager.isFullScreen();
-          await windowManager.setFullScreen(!isFullscreen);
-        },
-
-        // Exit fullscreen
-        const SingleActivator(LogicalKeyboardKey.escape): () async {
-          final isFullscreen = await windowManager.isFullScreen();
-          if (isFullscreen) {
-            await windowManager.setFullScreen(false);
           }
-        },
+        }
-
+        return KeyEventResult.ignored;
-        // Quit
-        const SingleActivator(
-          LogicalKeyboardKey.keyQ,
-          control: true,
-        ): () {
-          windowManager.close();
-        },
       },
-      child: Focus(
+      child: CallbackShortcuts(
-        autofocus: true,
+        bindings: {
+          // Open file dialog
+          const SingleActivator(
+            LogicalKeyboardKey.keyO,
+            control: true,
+          ): () {
+            FileHandler.openFileDialog();
+          },
+
+          // Fullscreen toggle
+          const SingleActivator(LogicalKeyboardKey.f11): () async {
+            final isFullscreen = await windowManager.isFullScreen();
+            await windowManager.setFullScreen(!isFullscreen);
+          },
+
+          // Quit
+          const SingleActivator(
+            LogicalKeyboardKey.keyQ,
+            control: true,
+          ): () {
+            windowManager.close();
+          },
+        },
         child: child,
       ),
     );

lib/widgets/custom_title_bar.dart

@@ -41,22 +41,45 @@ class CustomTitleBar extends StatelessWidget {
   }
 }
 
-class _BarButton extends StatelessWidget {
+class _BarButton extends StatefulWidget {
   final IconData icon;
   final VoidCallback onTap;
 
   const _BarButton({required this.icon, required this.onTap});
 
+  @override
+  State<_BarButton> createState() => _BarButtonState();
+}
+
+class _BarButtonState extends State<_BarButton> {
+  bool _hovered = false;
+
   @override
   Widget build(BuildContext context) {
     return GestureDetector(
-      onTap: onTap,
+      onTap: widget.onTap,
       child: MouseRegion(
         cursor: SystemMouseCursors.click,
-        child: SizedBox(
+        onEnter: (_) => setState(() => _hovered = true),
+        onExit: (_) => setState(() => _hovered = false),
+        child: Container(
           width: 36,
           height: 28,
-          child: Icon(icon, color: Colors.white54, size: 16),
+          decoration: BoxDecoration(
+            border: Border.all(
+              color: Colors.black54,
+              width: 1,
+            ),
+            color: _hovered ? Colors.red.withValues(alpha: 0.7) : Colors.transparent,
+            borderRadius: const BorderRadius.only(
+              topRight: Radius.circular(4),
+            ),
+          ),
+          child: Icon(
+            widget.icon,
+            color: Colors.white,
+            size: 14,
+          ),
         ),
       ),
     );

lib/widgets/image_canvas.dart

@@ -112,28 +112,47 @@ class _ImageCanvasState extends State<ImageCanvas> {
               maxScale: 10.0,
               panEnabled: true,
               scaleEnabled: false,
-              child: Center(
+              child: _isFilled
-                child: Image.file(
+                  ? SizedBox.expand(
-                  File(widget.filePath),
+                      child: Image.file(
-                  fit: _isFilled ? BoxFit.cover : BoxFit.contain,
+                        File(widget.filePath),
-                  filterQuality: FilterQuality.high,
+                        fit: BoxFit.cover,
-                  errorBuilder: (context, error, stackTrace) {
+                        filterQuality: FilterQuality.high,
-                    return const Center(
+                        errorBuilder: (context, error, stackTrace) {
-                      child: Column(
+                          return const Center(
-                        mainAxisSize: MainAxisSize.min,
+                            child: Column(
-                        children: [
+                              mainAxisSize: MainAxisSize.min,
-                          Icon(Icons.broken_image, size: 48, color: Colors.white38),
+                              children: [
-                          SizedBox(height: 8),
+                                Icon(Icons.broken_image, size: 48, color: Colors.white38),
-                          Text(
+                                SizedBox(height: 8),
-                            'Resim yüklenemedi',
+                                Text('Resim yüklenemedi',
-                            style: TextStyle(color: Colors.white38),
+                                    style: TextStyle(color: Colors.white38)),
-                          ),
+                              ],
-                        ],
+                            ),
+                          );
+                        },
                       ),
-                    );
+                    )
-                  },
+                  : Center(
-                ),
+                      child: Image.file(
-              ),
+                        File(widget.filePath),
+                        fit: BoxFit.contain,
+                        filterQuality: FilterQuality.high,
+                        errorBuilder: (context, error, stackTrace) {
+                          return const Center(
+                            child: Column(
+                              mainAxisSize: MainAxisSize.min,
+                              children: [
+                                Icon(Icons.broken_image, size: 48, color: Colors.white38),
+                                SizedBox(height: 8),
+                                Text('Resim yüklenemedi',
+                                    style: TextStyle(color: Colors.white38)),
+                              ],
+                            ),
+                          );
+                        },
+                      ),
+                    ),
             ),
           ),
         );