add B/S keybinds to popout, refactor toggle_save

KEYBINDS.md

@@ -33,6 +33,8 @@
 | `,` / `.` | Seek 3s (video) |
 | `Space` | Play / pause (video) |
 | Scroll wheel | Volume up / down (video) |
+| `B` / `F` | Toggle bookmark on selected post |
+| `S` | Toggle save to library (Unfiled) |
 | `F11` | Toggle fullscreen / windowed |
 | `Ctrl+H` | Hide / show UI |
 | `Ctrl+P` | Privacy screen |

booru_viewer/gui/main_window.py

@@ -1075,11 +1075,7 @@ class BooruApp(QMainWindow):
                 self._post_actions.toggle_bookmark(idx)
                 return
         if key == Qt.Key.Key_S and self._preview._current_post:
-            post = self._preview._current_post
-            if self._post_actions.is_post_saved(post.id):
-                self._post_actions.unsave_from_preview()
-            else:
-                self._post_actions.save_from_preview("")
+            self._post_actions.toggle_save_from_preview()
             return
         elif key == Qt.Key.Key_I:
             self._toggle_info()

booru_viewer/gui/popout/window.py

@@ -113,6 +113,7 @@ class FullscreenPreview(QMainWindow):
     # Unfiled (root of saved_dir).
     save_to_folder = Signal(str)
     unsave_requested = Signal()
+    toggle_save_requested = Signal()
     blacklist_tag_requested = Signal(str)  # tag name
     blacklist_post_requested = Signal()
     open_in_default = Signal()
@@ -1366,6 +1367,12 @@ class FullscreenPreview(QMainWindow):
             elif key in (Qt.Key.Key_Down, Qt.Key.Key_J):
                 self._dispatch_and_apply(NavigateRequested(direction=self._grid_cols))
                 return True
+            elif key in (Qt.Key.Key_B, Qt.Key.Key_F):
+                self.bookmark_requested.emit()
+                return True
+            elif key == Qt.Key.Key_S:
+                self.toggle_save_requested.emit()
+                return True
             elif key == Qt.Key.Key_F11:
                 self._dispatch_and_apply(FullscreenToggled())
                 return True

booru_viewer/gui/popout_controller.py

@@ -97,6 +97,7 @@ class PopoutController:
         self._fullscreen_window.set_folders_callback(library_folders)
         self._fullscreen_window.save_to_folder.connect(self._app._post_actions.save_from_preview)
         self._fullscreen_window.unsave_requested.connect(self._app._post_actions.unsave_from_preview)
+        self._fullscreen_window.toggle_save_requested.connect(self._app._post_actions.toggle_save_from_preview)
         if show_actions:
             self._fullscreen_window.bookmark_requested.connect(self._app._post_actions.bookmark_from_preview)
             self._fullscreen_window.set_bookmark_folders_callback(self._app._db.get_folders)

booru_viewer/gui/post_actions.py

@@ -159,6 +159,16 @@ class PostActionsController:
             target = folder if folder else None
             self.save_to_library(post, target)
 
+    def toggle_save_from_preview(self) -> None:
+        """Toggle library save: unsave if already saved, save to Unfiled otherwise."""
+        post, _ = self.get_preview_post()
+        if not post:
+            return
+        if self.is_post_saved(post.id):
+            self.unsave_from_preview()
+        else:
+            self.save_from_preview("")
+
     def unsave_from_preview(self) -> None:
         post, idx = self.get_preview_post()
         if not post: