feat: gezinme oklari (hover), ayarlar penceresi (zaman/isme gore siralama), yazdirma (printing paketi), title hover saydamligi; .deb guncellendi

lib/services/image_manager.dart

@@ -12,10 +12,12 @@ class ImageManager extends ChangeNotifier {
 
   final List<String> _images = [];
   int _currentIndex = 0;
+  bool _sortByName = false;
 
   List<String> get images => List.unmodifiable(_images);
   int get currentIndex => _currentIndex;
   int get imageCount => _images.length;
+  bool get sortByName => _sortByName;
 
   String get currentImagePath {
     if (_images.isEmpty) return '';
@@ -48,6 +50,9 @@ class ImageManager extends ChangeNotifier {
       } catch (_) {}
     }
     entries.sort((a, b) {
+      if (_sortByName) {
+        return a.$1.toLowerCase().compareTo(b.$1.toLowerCase());
+      }
       final byDate = b.$2.compareTo(a.$2);
       return byDate != 0 ? byDate : a.$1.compareTo(b.$1);
     });
@@ -69,6 +74,16 @@ class ImageManager extends ChangeNotifier {
     notifyListeners();
   }
 
+  void setSortByName(bool value) {
+    if (_sortByName == value) return;
+    _sortByName = value;
+    if (_images.isNotEmpty) {
+      setGalleryFromPaths([_images[_currentIndex]]);
+    } else {
+      notifyListeners();
+    }
+  }
+
   void setCurrentIndex(int index) {
     if (index < 0 || index >= _images.length) return;
     _currentIndex = index;