Privacy screen hides slideshow and pauses video, update keybinds

- Ctrl+P now hides slideshow window and pauses all video playback
- Slideshow restored when privacy screen is toggled off
- README keybinds: arrow keys + hjkl for preview navigation

README.md

@@ -154,9 +154,9 @@ Categories=Graphics;
 |-----|--------|
 | Scroll wheel | Zoom |
 | Middle click / `0` | Reset view |
-| Left / Right | Previous / next post |
+| Arrow keys / `h`/`j`/`k`/`l` | Navigate posts |
 | `,` / `.` | Seek 5s back / forward (video) |
-| `Space` | Play / pause (video) |
+| `Space` | Play / pause (video, hover to activate) |
 | Right click | Context menu (bookmark, save, slideshow) |
 
 ### Slideshow

booru_viewer/gui/app.py

@@ -1609,8 +1609,18 @@ class BooruApp(QMainWindow):
             self._privacy_overlay.raise_()
             self._privacy_overlay.show()
             self.setWindowTitle("booru-viewer")
+            # Pause preview video
+            if self._preview._stack.currentIndex() == 1:
+                self._preview._video_player._player.pause()
+            # Hide and pause slideshow
+            if self._fullscreen_window and self._fullscreen_window.isVisible():
+                if self._fullscreen_window._stack.currentIndex() == 1:
+                    self._fullscreen_window._video._player.pause()
+                self._fullscreen_window.hide()
         else:
             self._privacy_overlay.hide()
+            if self._fullscreen_window:
+                self._fullscreen_window.show()
 
     def resizeEvent(self, event) -> None:
         super().resizeEvent(event)