diff --git a/kitty/mouse.c b/kitty/mouse.c
index e4b340916..c6880c846 100644
--- a/kitty/mouse.c
+++ b/kitty/mouse.c
@@ -122,6 +122,16 @@ encode_mouse_scroll(Window *w, bool upwards, int mods) {
 
 // }}}
 
+static void
+dispatch_mouse_event(Window *w, int button, int count, int modifiers) {
+    if (w->render_data.screen && PyCallable_Check(w->render_data.screen->callbacks)) {
+        PyObject *callback_ret = PyObject_CallMethod(w->render_data.screen->callbacks, "on_mouse_event", "{si si si}",
+            "button", button, "count", count, "modifiers", modifiers);
+        if (callback_ret == NULL) PyErr_Print();
+        else Py_DECREF(callback_ret);
+    }
+}
+
 static inline unsigned int
 window_left(Window *w) {
     return w->geometry.left - w->padding.left;
diff --git a/kitty/typing.py b/kitty/typing.py
index f0f235fcc..1c8346a0a 100644
--- a/kitty/typing.py
+++ b/kitty/typing.py
@@ -21,3 +21,4 @@ EdgeLiteral = str
 PowerlineStyle = str
 MatchType = str
 Protocol = object
+MouseEvent = dict
diff --git a/kitty/typing.pyi b/kitty/typing.pyi
index 08e4b1fba..5d88a7fdb 100644
--- a/kitty/typing.pyi
+++ b/kitty/typing.pyi
@@ -41,19 +41,27 @@ from .window import Window as WindowType
 
 EdgeLiteral = Literal['left', 'top', 'right', 'bottom']
 MatchType = Literal['mime', 'ext', 'protocol', 'file', 'path', 'url', 'fragment_matches']
+PowerlineStyle = Literal['angled', 'slanted', 'round']
 GRT_a = Literal['t', 'T', 'q', 'p', 'd', 'f', 'a']
 GRT_f = Literal[24, 32, 100]
 GRT_t = Literal['d', 'f', 't', 's']
 GRT_o = Literal['z']
 GRT_m = Literal[0, 1]
 GRT_d = Literal['a', 'A', 'c', 'C', 'i', 'I', 'p', 'P', 'q', 'Q', 'x', 'X', 'y', 'Y', 'z', 'Z', 'f', 'F']
+
+
+class WindowSystemMouseEvent(TypedDict):
+    button: int
+    count: int
+    mods: int
+
+
 __all__ = (
     'EdgeLiteral', 'MatchType', 'GRT_a', 'GRT_f', 'GRT_t', 'GRT_o', 'GRT_m', 'GRT_d',
     'GraphicsCommandType', 'HandlerType', 'AbstractEventLoop', 'AddressFamily', 'Socket', 'CompletedProcess',
     'PopenType', 'Protocol', 'TypedDict', 'MarkType', 'ImageManagerType', 'Debug', 'LoopType', 'MouseEvent',
     'TermManagerType', 'KittensKeyActionType', 'BossType', 'ChildType', 'BadLineType',
-    'KeyActionType', 'KeyMap', 'KittyCommonOpts', 'SequenceMap', 'CoreTextFont',
-    'FontConfigPattern', 'ScreenType', 'StartupCtx', 'KeyEventType', 'LayoutType',
+    'KeyActionType', 'KeyMap', 'KittyCommonOpts', 'SequenceMap', 'CoreTextFont', 'WindowSystemMouseEvent',
+    'FontConfigPattern', 'ScreenType', 'StartupCtx', 'KeyEventType', 'LayoutType', 'PowerlineStyle',
     'RemoteCommandType', 'SessionType', 'SessionTab', 'SpecialWindowInstance', 'TabType', 'ScreenSize', 'WindowType'
 )
-PowerlineStyle = Literal['angled', 'slanted', 'round']