Do not count background processes by default for confirm_os_window_close

Fixes #8358

docs/changelog.rst

@@ -94,6 +94,11 @@ consumption to do the same tasks.
 Detailed list of changes
 -------------------------------------
 
+0.40.1 [future]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+- Do not count background processes by default for :opt:`confirm_os_window_close` (:iss:`8358`)
+
 0.40.0 [2025-03-08]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

kitty/boss.py

@@ -962,14 +962,15 @@ def close_window(self) -> None:
     def close_windows_with_confirmation_msg(self, windows: Iterable[Window], active_window: Window | None) -> tuple[str, int]:
         num_running_programs = 0
         num_background_programs = 0
+        count_background = get_options().confirm_os_window_close[1]
         running_program = background_program = ''
         windows = sorted(windows, key=lambda w: 0 if w is active_window else 1)
         with cached_process_data():
             for window in windows:
                 if window.has_running_program:
                     num_running_programs += 1
                     running_program = running_program or (window.child.foreground_cmdline or [''])[0]
-                elif bp := window.child.background_processes:
+                elif count_background and (bp := window.child.background_processes):
                     num_background_programs += len(bp)
                     for q in bp:
                         background_program = background_program or (q['cmdline'] or [''])[0]
@@ -1141,7 +1142,7 @@ def on_popup_overlay_removal(wid: int, boss: Boss) -> None:
 
     def confirm_tab_close(self, tab: Tab) -> None:
         msg, num_active_windows = self.close_windows_with_confirmation_msg(tab, tab.active_window)
-        x = get_options().confirm_os_window_close
+        x = get_options().confirm_os_window_close[0]
         num = num_active_windows if x < 0 else len(tab)
         needs_confirmation = x != 0 and num >= abs(x)
         if not needs_confirmation:
@@ -1777,7 +1778,7 @@ def confirm_os_window_close(self, os_window_id: int) -> None:
         for tab in tm:
             windows += list(tab)
         msg, num_active_windows = self.close_windows_with_confirmation_msg(windows, active_window)
-        q = get_options().confirm_os_window_close
+        q = get_options().confirm_os_window_close[0]
         num = num_active_windows if q < 0 else len(windows)
         needs_confirmation = tm is not None and q != 0 and num >= abs(q)
         if not needs_confirmation:
@@ -1820,7 +1821,7 @@ def quit(self, *args: Any) -> None:
                 windows += list(qt)
         active_window = self.active_window
         msg, num_active_windows = self.close_windows_with_confirmation_msg(windows, active_window)
-        x = get_options().confirm_os_window_close
+        x = get_options().confirm_os_window_close[0]
         num = num_active_windows if x < 0 else len(windows)
         needs_confirmation = x != 0 and num >= abs(x)
         if not needs_confirmation:

kitty/options/definition.py

@@ -1236,9 +1236,7 @@
 '''
     )
 
-opt('confirm_os_window_close', '-1',
-    option_type='int',
-    long_text='''
+opt('confirm_os_window_close', '-1', option_type='confirm_close', long_text='''
 Ask for confirmation when closing an OS window or a tab with at least this
 number of kitty windows in it by window manager (e.g. clicking the window close
 button or pressing the operating system shortcut to close windows) or by the
@@ -1247,10 +1245,11 @@
 :ac:`quit` action). Negative values are converted to positive ones, however,
 with :opt:`shell_integration` enabled, using negative values means windows
 sitting at a shell prompt are not counted, only windows where some command is
-currently running or is running in the background. Note that if you want confirmation
-when closing individual windows, you can map the :ac:`close_window_with_confirmation` action.
-'''
-    )
+currently running. You can also have backgrounded jobs prevent closing,
+by adding :code:`count-background` ot the setting, for example: :code:`-1 count-background`.
+Note that if you want confirmation when closing individual windows,
+you can map the :ac:`close_window_with_confirmation` action.
+''')
 egr()  # }}}
 
 

kitty/options/utils.py

@@ -1007,6 +1007,13 @@ def shell_integration(x: str) -> frozenset[str]:
     return q
 
 
+def confirm_close(x: str) -> tuple[int, bool]:
+    parts = x.split(maxsplit=1)
+    num = int(parts[0])
+    allow_background = len(parts) > 1 and parts[1] == 'count-background'
+    return num, allow_background
+
+
 def underline_exclusion(x: str) -> tuple[float, Literal['', 'px', 'pt']]:
     try:
         return float(x), ''