persiitent styles

dreader/application.py

@@ -706,6 +706,64 @@ class EbookReader:
             'font_scale': self.base_font_scale
         }
 
+    # ===== Settings Persistence =====
+
+    def get_current_settings(self) -> Dict[str, Any]:
+        """
+        Get current rendering settings.
+
+        Returns:
+            Dictionary with all current settings
+        """
+        return {
+            'font_scale': self.base_font_scale,
+            'line_spacing': self.page_style.line_spacing if self.manager else 5,
+            'inter_block_spacing': self.page_style.inter_block_spacing if self.manager else 15,
+            'word_spacing': self.page_style.word_spacing if self.manager else 0
+        }
+
+    def apply_settings(self, settings: Dict[str, Any]) -> bool:
+        """
+        Apply rendering settings from a settings dictionary.
+
+        This should be called after loading a book to restore user preferences.
+
+        Args:
+            settings: Dictionary with settings (font_scale, line_spacing, etc.)
+
+        Returns:
+            True if settings applied successfully, False otherwise
+        """
+        if not self.manager:
+            return False
+
+        try:
+            # Apply font scale
+            font_scale = settings.get('font_scale', 1.0)
+            if font_scale != self.base_font_scale:
+                self.set_font_size(font_scale)
+
+            # Apply line spacing
+            line_spacing = settings.get('line_spacing', 5)
+            if line_spacing != self.page_style.line_spacing:
+                self.set_line_spacing(line_spacing)
+
+            # Apply inter-block spacing
+            inter_block_spacing = settings.get('inter_block_spacing', 15)
+            if inter_block_spacing != self.page_style.inter_block_spacing:
+                self.set_inter_block_spacing(inter_block_spacing)
+
+            # Apply word spacing
+            word_spacing = settings.get('word_spacing', 0)
+            if word_spacing != self.page_style.word_spacing:
+                self.set_word_spacing(word_spacing)
+
+            return True
+
+        except Exception as e:
+            print(f"Error applying settings: {e}")
+            return False
+
     # ===== Gesture Handling =====
     # All business logic for touch input is handled here
 
@@ -1066,6 +1124,16 @@ class EbookReader:
                         "word_spacing": self.page_style.word_spacing
                     })
 
+                # Parse "action:command" format for other actions
+                elif link_target.startswith("action:"):
+                    action = link_target.split(":", 1)[1]
+
+                    if action == "back_to_library":
+                        # Close the overlay first
+                        self.close_overlay()
+                        # Return a special action for the application to handle
+                        return GestureResponse(ActionType.BACK_TO_LIBRARY, {})
+
             # Not a setting control, close overlay
             self.close_overlay()
             return GestureResponse(ActionType.OVERLAY_CLOSED, {})