Do not emit repeated key_down and key_up events (#94)

Author: SpicyRicecaker

rendercanvas/glfw.py

@@ -625,7 +625,9 @@ def _on_key(self, window, key, scancode, action, mods):
             "key": keyname,
             "modifiers": tuple(self._key_modifiers),
         }
-        self.submit_event(ev)
+
+        if not action == glfw.REPEAT:
+            self.submit_event(ev)
 
     def _on_char(self, window, char):
         # Undocumented char event to make imgui work, see https://github.com/pygfx/wgpu-py/issues/530

rendercanvas/qt.py

@@ -478,7 +478,9 @@ def _key_event(self, event_type, event):
             "key": KEY_MAP.get(event.key(), event.text()),
             "modifiers": modifiers,
         }
-        self.submit_event(ev)
+
+        if not event.isAutoRepeat():
+            self.submit_event(ev)
 
     def _char_input_event(self, char_str):
         ev = {

rendercanvas/wx.py

@@ -422,7 +422,9 @@ def _key_event(self, event_type: str, event: wx.KeyEvent, char_str: Optional[str
             "key": KEY_MAP.get(event.GetKeyCode(), char_str),
             "modifiers": modifiers,
         }
-        self.submit_event(ev)
+
+        if not event.IsAutoRepeat():
+            self.submit_event(ev)
 
     def _char_input_event(self, char_str: Optional[str]):
         if char_str is None: