macOS: Fix progress bar on dock icon doubling speed with every indeterminate progress state without an intervening clear

Fixes #9114

docs/changelog.rst

@@ -166,6 +166,8 @@ Detailed list of changes
 
 - macOS: Handle dropping of file promises into kitty in addition to file paths (:pull:`9084`)
 
+- macOS: Fix indeterminate progress bar displayed on dock icon increasing speed when indeterminate progress is set without being cleared first (:iss:`9114`)
+
 0.43.1 [2025-10-01]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

kitty/cocoa_window.m

@@ -1315,8 +1315,10 @@ cocoa_show_progress_bar_on_dock_icon(PyObject *self UNUSED, PyObject *args) {
         [dock_pbar setFraction:percent/100.];
         [dock_pbar setIndeterminate:NO];
     } else if (percent > 100) {
-        [dock_pbar setIndeterminate:YES];
-        tick_dock_pbar();
+        if (![dock_pbar isIndeterminate]) {
+            [dock_pbar setIndeterminate:YES];
+            tick_dock_pbar();
+        }
     }
     [dock_pbar setFrameSize:NSMakeSize(dockTile.size.width - 20, 20)];
     [dock_pbar setFrameOrigin:NSMakePoint(10, -2)];

kitty/window.py

@@ -691,10 +691,10 @@ class Window:
         self.last_focused_at = 0.
         self.is_focused: bool = False
         self.progress = Progress()
+        self.clear_progress_timer: int = 0
         self.last_resized_at = 0.
         self.started_at = monotonic()
         self.created_at = time_ns()
-        self.clear_progress_timer: int = 0
         self.current_remote_data: list[str] = []
         self.current_mouse_event_button = 0
         self.current_clipboard_read_ask: bool | None = None