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https://github.com/python/cpython.git
synced 2026-07-30 05:36:27 -04:00
Serhiy StorchakaandGitHub
4e16b8d4ee
Set the WM_CLASS of IDLE's long-lived windows (window-list windows and the stack viewers) to "Idle" instead of the default "Toplevel", so that window managers group and label them correctly.
103 lines
2.8 KiB
Python
103 lines
2.8 KiB
Python
from tkinter import Toplevel, TclError
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import sys
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class WindowList:
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def __init__(self):
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self.dict = {}
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self.callbacks = []
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def add(self, window):
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window.after_idle(self.call_callbacks)
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self.dict[str(window)] = window
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def delete(self, window):
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try:
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del self.dict[str(window)]
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except KeyError:
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# Sometimes, destroy() is called twice
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pass
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self.call_callbacks()
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def add_windows_to_menu(self, menu):
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list = []
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for key in self.dict:
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window = self.dict[key]
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try:
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title = window.get_title()
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except TclError:
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continue
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list.append((title, key, window))
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list.sort()
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for title, key, window in list:
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menu.add_command(label=title, command=window.wakeup)
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def register_callback(self, callback):
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self.callbacks.append(callback)
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def unregister_callback(self, callback):
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try:
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self.callbacks.remove(callback)
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except ValueError:
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pass
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def call_callbacks(self):
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for callback in self.callbacks:
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try:
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callback()
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except:
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t, v, tb = sys.exc_info()
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print("warning: callback failed in WindowList", t, ":", v)
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registry = WindowList()
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add_windows_to_menu = registry.add_windows_to_menu
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register_callback = registry.register_callback
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unregister_callback = registry.unregister_callback
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class ListedToplevel(Toplevel):
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def __init__(self, master, **kw):
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# Set the WM_CLASS property so that X11 window managers group and
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# label IDLE's windows under 'Idle' instead of the default
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# 'Toplevel' (gh-66331). It matches the class name passed to Tk().
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kw.setdefault('class_', 'Idle')
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Toplevel.__init__(self, master, kw)
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registry.add(self)
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self.focused_widget = self
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def destroy(self):
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registry.delete(self)
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Toplevel.destroy(self)
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# If this is Idle's last window then quit the mainloop
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# (Needed for clean exit on Windows 98)
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if not registry.dict:
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self.quit()
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def update_windowlist_registry(self, window):
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registry.call_callbacks()
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def get_title(self):
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# Subclass can override
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return self.wm_title()
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def wakeup(self):
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try:
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if self.wm_state() == "iconic":
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self.wm_withdraw()
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self.wm_deiconify()
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self.tkraise()
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self.focused_widget.focus_set()
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except TclError:
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# This can happen when the Window menu was torn off.
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# Simply ignore it.
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pass
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if __name__ == "__main__":
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from unittest import main
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main('idlelib.idle_test.test_window', verbosity=2)
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