Do not count background processes by default for confirm_os_window_close

Fixes #8358

kitty/options/definition.py

@@ -1236,9 +1236,7 @@ Specify your preference as a string of characters.
 '''
     )
 
-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 @@ also applies to requests to quit the entire application (all OS windows, via the
 :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/parse.py

@@ -10,7 +10,7 @@ from kitty.conf.utils import (
 from kitty.options.utils import (
     action_alias, active_tab_title_template, allow_hyperlinks, bell_on_tab, box_drawing_scale,
     clear_all_mouse_actions, clear_all_shortcuts, clipboard_control, clone_source_strategies,
-    config_or_absolute_path, copy_on_select, cursor_blink_interval, cursor_text_color,
+    config_or_absolute_path, confirm_close, copy_on_select, cursor_blink_interval, cursor_text_color,
     cursor_trail_decay, deprecated_adjust_line_height, deprecated_hide_window_decorations_aliases,
     deprecated_macos_show_window_title_in_menubar_alias, deprecated_send_text, disable_ligatures,
     edge_width, env, filter_notification, font_features, hide_window_decorations, macos_option_as_alt,
@@ -906,7 +906,7 @@ class Parser:
         ans['command_on_bell'] = to_cmdline(val)
 
     def confirm_os_window_close(self, val: str, ans: dict[str, typing.Any]) -> None:
-        ans['confirm_os_window_close'] = int(val)
+        ans['confirm_os_window_close'] = confirm_close(val)
 
     def copy_on_select(self, val: str, ans: dict[str, typing.Any]) -> None:
         ans['copy_on_select'] = copy_on_select(val)

kitty/options/types.py

@@ -506,7 +506,7 @@ class Options:
     clone_source_strategies: frozenset[str] = frozenset({'conda', 'env_var', 'path', 'venv'})
     close_on_child_death: bool = False
     command_on_bell: list[str] = ['none']
-    confirm_os_window_close: int = -1
+    confirm_os_window_close: tuple[int, bool] = (-1, False)
     copy_on_select: str = ''
     cursor: kitty.fast_data_types.Color | None = Color(204, 204, 204)
     cursor_beam_thickness: float = 1.5

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), ''