Release v0.3 — more improvements

faststack/faststack/app.py

@@ -313,6 +313,7 @@ def set_theme(self, theme_index):
         theme = 'dark' if theme_index == 0 else 'light'
         config.set('core', 'theme', theme)
         config.save()
+        self.ui_state.themeChanged.emit()
 
     def get_default_directory(self):
         return config.get('core', 'default_directory')
@@ -361,9 +362,13 @@ def main(image_dir: Optional[Path] = typer.Argument(None, help="Directory of ima
     if image_dir is None:
         image_dir_str = config.get('core', 'default_directory')
         if not image_dir_str:
-            log.error("No image directory provided and no default directory set in the settings.")
-            # In a real app, we might open a dialog here to ask for a directory.
-            sys.exit(1)
+            log.warning("No image directory provided and no default directory set. Opening directory selection dialog.")
+            from PySide6.QtWidgets import QFileDialog
+            selected_dir = QFileDialog.getExistingDirectory(None, "Select Image Directory")
+            if not selected_dir:
+                log.error("No image directory selected. Exiting.")
+                sys.exit(1)
+            image_dir_str = selected_dir
         image_dir = Path(image_dir_str)
 
     if not image_dir.is_dir():

faststack/faststack/qml/Main.qml

@@ -12,14 +12,21 @@ ApplicationWindow {
     flags: Qt.FramelessWindowHint
     title: "FastStack"
 
-    property bool isDarkTheme: true
+    property bool isDarkTheme: uiState.get_theme() === 0
     property color currentBackgroundColor: isDarkTheme ? "#000000" : "white"
     property color currentTextColor: isDarkTheme ? "white" : "black"
 
     background: Rectangle { color: root.currentBackgroundColor }
 
     function toggleTheme() {
-        isDarkTheme = !isDarkTheme
+        uiState.set_theme(isDarkTheme ? 1 : 0) // 0 for dark, 1 for light
+    }
+
+    Connections {
+        target: uiState
+        function onThemeChanged() {
+            root.isDarkTheme = uiState.get_theme() === 0
+        }
     }
 
     // Expose the Python UIState object to QML

faststack/faststack/ui/provider.py

@@ -56,6 +56,7 @@ class UIState(QObject):
     imageCountChanged = Signal()
     currentImageSourceChanged = Signal()
     metadataChanged = Signal()
+    themeChanged = Signal()
 
     def __init__(self, app_controller):
         super().__init__()