blob: 46ff3c8c51e280f5ee96dd8e57851871b9f01272 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
|
# SPDX-FileCopyrightText: Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# SPDX-License-Identifier: GPL-3.0-or-later
"""Code for :undo --window."""
import collections
import dataclasses
from typing import MutableSequence, cast, TYPE_CHECKING
from qutebrowser.qt.core import QObject, QByteArray
from qutebrowser.config import config
from qutebrowser.mainwindow import mainwindow
from qutebrowser.misc import objects
if TYPE_CHECKING:
from qutebrowser.mainwindow import tabbedbrowser
instance = cast('WindowUndoManager', None)
@dataclasses.dataclass
class _WindowUndoEntry:
"""Information needed for :undo -w."""
geometry: QByteArray
tab_stack: 'tabbedbrowser.UndoStackType'
class WindowUndoManager(QObject):
"""Manager which saves/restores windows."""
def __init__(self, parent=None):
super().__init__(parent)
self._undos: MutableSequence[_WindowUndoEntry] = collections.deque()
objects.qapp.window_closing.connect(self._on_window_closing)
config.instance.changed.connect(self._on_config_changed)
@config.change_filter('tabs.undo_stack_size')
def _on_config_changed(self):
self._update_undo_stack_size()
def _on_window_closing(self, window):
if window.tabbed_browser.is_private:
return
self._undos.append(_WindowUndoEntry(
geometry=window.saveGeometry(),
tab_stack=window.tabbed_browser.undo_stack,
))
def _update_undo_stack_size(self):
newsize = config.instance.get('tabs.undo_stack_size')
if newsize < 0:
newsize = None
self._undos = collections.deque(self._undos, maxlen=newsize)
def undo_last_window_close(self):
"""Restore the last window to be closed.
It will have the same tab and undo stack as when it was closed.
"""
entry = self._undos.pop()
window = mainwindow.MainWindow(
private=False,
geometry=entry.geometry,
)
window.tabbed_browser.undo_stack = entry.tab_stack
window.tabbed_browser.undo()
window.show()
def init():
global instance
instance = WindowUndoManager(parent=objects.qapp)
|
