feat(cli): added separate option for info window screen (#389)

Closes #388.

CHANGELOG.md

@@ -16,6 +16,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Added audio output to `manim-slides present`.
   [#382](https://github.com/jeertmans/manim-slides/pull/382)
 
+(unreleased-changed)=
+### Changed
+
+- Added `--info-window-screen` option and change `--screen-number`
+  to not move the info window.
+  [#389](https://github.com/jeertmans/manim-slides/pull/389)
+
 (v5.1.3)=
 ## [v5.1.3](https://github.com/jeertmans/manim-slides/compare/v5.1.2...v5.1.3)
 

manim_slides/present/__init__.py

@@ -242,6 +242,14 @@ def start_at_callback(
     is_flag=True,
     help="Hide info window.",
 )
+@click.option(
+    "--info-window-screen",
+    "info_window_screen_number",
+    metavar="NUMBER",
+    type=int,
+    default=None,
+    help="Put info window on the given screen (a.k.a. display).",
+)
 @click.help_option("-h", "--help")
 @verbosity_option
 def present(
@@ -261,6 +269,7 @@ def present(
     playback_rate: float,
     next_terminates_loop: bool,
     hide_info_window: bool,
+    info_window_screen_number: Optional[int],
 ) -> None:
     """
     Present SCENE(s), one at a time, in order.
@@ -295,32 +304,40 @@ def present(
 
     warn_if_non_desirable_pyside6_version()
 
+    from qtpy.QtCore import Qt
+    from qtpy.QtGui import QScreen
+
     from ..qt_utils import qapp
+    from .player import Player
 
     app = qapp()
     app.setApplicationName("Manim Slides")
 
-    if screen_number is not None:
+    def get_screen(number: int) -> Optional[QScreen]:
         try:
-            screen = app.screens()[screen_number]
+            return app.screens()[number]
         except IndexError:
             logger.error(
-                f"Invalid screen number {screen_number}, "
+                f"Invalid screen number {number}, "
                 f"allowed values are from 0 to {len(app.screens())-1} (incl.)"
             )
-            screen = None
+            return None
+
+    if screen_number is not None:
+        screen = get_screen(screen_number)
     else:
         screen = None
 
-    from qtpy.QtCore import Qt
+    if info_window_screen_number is not None:
+        info_window_screen = get_screen(info_window_screen_number)
+    else:
+        info_window_screen = None
 
     aspect_ratio_modes = {
         "keep": Qt.KeepAspectRatio,
         "ignore": Qt.IgnoreAspectRatio,
     }
 
-    from .player import Player
-
     player = Player(
         config,
         presentation_configs,
@@ -336,6 +353,7 @@ def present(
         playback_rate=playback_rate,
         next_terminates_loop=next_terminates_loop,
         hide_info_window=hide_info_window,
+        info_window_screen=info_window_screen,
     )
 
     player.show()

manim_slides/present/player.py

@@ -183,6 +183,7 @@ class Player(QMainWindow):  # type: ignore[misc]
         playback_rate: float = 1.0,
         next_terminates_loop: bool = False,
         hide_info_window: bool = False,
+        info_window_screen: Optional[QScreen] = None,
     ):
         super().__init__()
 
@@ -240,7 +241,9 @@ class Player(QMainWindow):  # type: ignore[misc]
         self.slide_changed.connect(self.slide_changed_callback)
 
         self.info = Info(
-            full_screen=full_screen, aspect_ratio_mode=aspect_ratio_mode, screen=screen
+            full_screen=full_screen,
+            aspect_ratio_mode=aspect_ratio_mode,
+            screen=info_window_screen,
         )
         self.info.close_event.connect(self.closeEvent)
         self.info.key_press_event.connect(self.keyPressEvent)