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97 lines
2.7 KiB
Python
97 lines
2.7 KiB
Python
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# ~/.config/kitty/mywatcher.py
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from kitty.tabs import TabManager
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from typing import Any
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from kitty.boss import Boss
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from kitty.window import Window
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# from pprint import pprint
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# Kitty currently ships with Python 3.12, but os.ptsname was added in 3.13.
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import ctypes
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libc = ctypes.CDLL("libc.so.6")
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libc.ptsname.restype = ctypes.c_char_p
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updating = False
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def get_title(window: Window, title: str) -> str:
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vt = "n/a"
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try:
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vt = window.user_vars["vt"]
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except KeyError:
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pass
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ptsname = libc.ptsname(window.child.child_fd).decode()
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ptsname = ptsname.removeprefix("/dev/")
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return f"{title} [{vt} {ptsname}]"
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def on_title_change(boss: Boss, window: Window, data: dict[str, Any]) -> None:
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# pprint(("title change", "window", window, "data", data))
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tm = boss.active_tab_manager_with_dispatch
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if tm is not None:
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update_title(boss, window, tm)
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def on_tab_bar_dirty(boss: Boss, window: Window, data: dict[str, Any]) -> None:
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# called when any changes happen to the tab bar, such a new tabs being
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# created, tab titles changing, tabs moving, etc. Useful to display the
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# tab bar externally to kitty. This is called even if the tab bar is
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# hidden. Note that this is called only in *global watchers*, that is
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# watchers defined in kitty.conf or using the --watcher command line
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# flag. data contains tab_manager which is the object responsible for
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# managing all tabs in a single OS Window.
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# return get_title(window, data["title"])
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tm = data["tab_manager"]
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update_title(boss, window, tm)
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def update_title(boss: Boss, window: Window, tm: TabManager) -> None:
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# pprint(("update title", "window", window))
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global updating
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if updating:
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# pprint("already updating, skipping")
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return
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tab = tm.active_tab
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if tab is None:
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return
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title = get_title(window, window.child_title)
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if title != tab.effective_title:
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updating = True
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# pprint(
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# (
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# "title",
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# title,
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# "tab.effective title",
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# tab.effective_title,
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# "window.title",
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# window.title,
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# "window.child_title",
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# window.child_title,
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# )
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# )
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window.set_title(title)
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updating = False
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else:
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pass
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# pprint(
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# (
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# "no update",
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# "title",
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# title,
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# "tab.effective title",
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# tab.effective_title,
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# "window.title",
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# window.title,
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# "window.child_title",
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# window.child_title,
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# )
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# )
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return
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