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comparison CSP2/CSP2_env/env-d9b9114564458d9d-741b3de822f2aaca6c6caa4325c4afce/lib/python3.8/idlelib/window.py @ 68:5028fdace37b

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planemo upload commit 2e9511a184a1ca667c7be0c6321a36dc4e3d116d
author jpayne
date Tue, 18 Mar 2025 16:23:26 -0400
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67:0e9998148a16 68:5028fdace37b
1 from tkinter import Toplevel, TclError
2 import sys
3
4
5 class WindowList:
6
7 def __init__(self):
8 self.dict = {}
9 self.callbacks = []
10
11 def add(self, window):
12 window.after_idle(self.call_callbacks)
13 self.dict[str(window)] = window
14
15 def delete(self, window):
16 try:
17 del self.dict[str(window)]
18 except KeyError:
19 # Sometimes, destroy() is called twice
20 pass
21 self.call_callbacks()
22
23 def add_windows_to_menu(self, menu):
24 list = []
25 for key in self.dict:
26 window = self.dict[key]
27 try:
28 title = window.get_title()
29 except TclError:
30 continue
31 list.append((title, key, window))
32 list.sort()
33 for title, key, window in list:
34 menu.add_command(label=title, command=window.wakeup)
35
36 def register_callback(self, callback):
37 self.callbacks.append(callback)
38
39 def unregister_callback(self, callback):
40 try:
41 self.callbacks.remove(callback)
42 except ValueError:
43 pass
44
45 def call_callbacks(self):
46 for callback in self.callbacks:
47 try:
48 callback()
49 except:
50 t, v, tb = sys.exc_info()
51 print("warning: callback failed in WindowList", t, ":", v)
52
53
54 registry = WindowList()
55
56 add_windows_to_menu = registry.add_windows_to_menu
57 register_callback = registry.register_callback
58 unregister_callback = registry.unregister_callback
59
60
61 class ListedToplevel(Toplevel):
62
63 def __init__(self, master, **kw):
64 Toplevel.__init__(self, master, kw)
65 registry.add(self)
66 self.focused_widget = self
67
68 def destroy(self):
69 registry.delete(self)
70 Toplevel.destroy(self)
71 # If this is Idle's last window then quit the mainloop
72 # (Needed for clean exit on Windows 98)
73 if not registry.dict:
74 self.quit()
75
76 def update_windowlist_registry(self, window):
77 registry.call_callbacks()
78
79 def get_title(self):
80 # Subclass can override
81 return self.wm_title()
82
83 def wakeup(self):
84 try:
85 if self.wm_state() == "iconic":
86 self.wm_withdraw()
87 self.wm_deiconify()
88 self.tkraise()
89 self.focused_widget.focus_set()
90 except TclError:
91 # This can happen when the Window menu was torn off.
92 # Simply ignore it.
93 pass
94
95
96 if __name__ == "__main__":
97 from unittest import main
98 main('idlelib.idle_test.test_window', verbosity=2)