Mouse Show/Hide feature (#56)

* Mouse Show/Hide feature

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Mouse Hide/Show Fix

Applied requested changes for PR

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jérome Eertmans <jeertmans@icloud.com>

manim_slides/config.py

@@ -41,6 +41,7 @@ class Config(BaseModel):
     REVERSE: Key = Key(ids=[Qt.Key_V], name="REVERSE")
     REWIND: Key = Key(ids=[Qt.Key_R], name="REWIND")
     PLAY_PAUSE: Key = Key(ids=[Qt.Key_Space], name="PLAY / PAUSE")
+    HIDE_MOUSE: Key = Key(ids=[Qt.Key_H], name="HIDE / SHOW MOUSE")
 
     @root_validator
     def ids_are_unique_across_keys(cls, values):

manim_slides/present.py

@@ -284,7 +284,7 @@ class Display(QThread):
     def __init__(
         self,
         presentations,
-        config,
+        config: Config = Config(),
         start_paused=False,
         skip_all=False,
         record_to=None,
@@ -517,6 +517,7 @@ class App(QWidget):
     def __init__(
         self,
         *args,
+        config: Config = Config(),
         fullscreen: bool = False,
         resolution: Tuple[int, int] = (1980, 1080),
         hide_mouse: bool = False,
@@ -528,8 +529,9 @@ class App(QWidget):
         self.setWindowTitle(WINDOW_NAME)
         self.display_width, self.display_height = resolution
         self.aspect_ratio = aspect_ratio
-
-        if hide_mouse:
+        self.hide_mouse = hide_mouse
+        self.config = config
+        if self.hide_mouse:
             self.setCursor(Qt.BlankCursor)
 
         self.label = QLabel(self)
@@ -541,7 +543,7 @@ class App(QWidget):
         self.label.setMinimumSize(1, 1)
 
         # create the video capture thread
-        self.thread = Display(*args, **kwargs)
+        self.thread = Display(*args, config=config, **kwargs)
         # create the info dialog
         self.info = Info()
         self.info.show()
@@ -562,7 +564,15 @@ class App(QWidget):
         self.thread.start()
 
     def keyPressEvent(self, event):
+
         key = event.key()
+        if self.config.HIDE_MOUSE.match(key):
+            if self.hide_mouse:
+                self.setCursor(Qt.ArrowCursor)
+                self.hide_mouse = False
+            else:
+                self.setCursor(Qt.BlankCursor)
+                self.hide_mouse = True
         # We send key to be handled by video display
         self.send_key_signal.emit(key)
         event.accept()