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7dcf23b1 SH |
1 | # -*- coding: utf-8 -*- |
2 | # | |
e836cfb0 SH |
3 | # input.py - input line for chat and debug window |
4 | # | |
8335009d | 5 | # Copyright (C) 2011-2021 Sébastien Helleu <flashcode@flashtux.org> |
7dcf23b1 SH |
6 | # |
7 | # This file is part of QWeeChat, a Qt remote GUI for WeeChat. | |
8 | # | |
9 | # QWeeChat is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
11 | # the Free Software Foundation; either version 3 of the License, or | |
12 | # (at your option) any later version. | |
13 | # | |
14 | # QWeeChat is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | # | |
19 | # You should have received a copy of the GNU General Public License | |
20 | # along with QWeeChat. If not, see <http://www.gnu.org/licenses/>. | |
21 | # | |
22 | ||
1f27a20e | 23 | from PySide6 import QtCore |
8e15c19f | 24 | from PySide6 import QtWidgets |
7dcf23b1 SH |
25 | |
26 | ||
8e15c19f | 27 | class InputLineEdit(QtWidgets.QLineEdit): |
7dcf23b1 SH |
28 | """Input line.""" |
29 | ||
1f27a20e AR |
30 | bufferSwitchPrev = QtCore.Signal() |
31 | bufferSwitchNext = QtCore.Signal() | |
32 | textSent = QtCore.Signal(str) | |
7dcf23b1 SH |
33 | |
34 | def __init__(self, scroll_widget): | |
1f27a20e | 35 | super().__init__(scroll_widget) |
7dcf23b1 SH |
36 | self.scroll_widget = scroll_widget |
37 | self._history = [] | |
38 | self._history_index = -1 | |
39 | self.returnPressed.connect(self._input_return_pressed) | |
40 | ||
41 | def keyPressEvent(self, event): | |
42 | key = event.key() | |
43 | modifiers = event.modifiers() | |
44 | bar = self.scroll_widget.verticalScrollBar() | |
77df9d06 SH |
45 | if modifiers == QtCore.Qt.ControlModifier: |
46 | if key == QtCore.Qt.Key_PageUp: | |
47 | self.bufferSwitchPrev.emit() | |
48 | elif key == QtCore.Qt.Key_PageDown: | |
49 | self.bufferSwitchNext.emit() | |
50 | else: | |
8e15c19f | 51 | QtWidgets.QLineEdit.keyPressEvent(self, event) |
77df9d06 SH |
52 | elif modifiers == QtCore.Qt.AltModifier: |
53 | if key in (QtCore.Qt.Key_Left, QtCore.Qt.Key_Up): | |
54 | self.bufferSwitchPrev.emit() | |
55 | elif key in (QtCore.Qt.Key_Right, QtCore.Qt.Key_Down): | |
56 | self.bufferSwitchNext.emit() | |
57 | elif key == QtCore.Qt.Key_PageUp: | |
58 | bar.setValue(bar.value() - (bar.pageStep() / 10)) | |
59 | elif key == QtCore.Qt.Key_PageDown: | |
60 | bar.setValue(bar.value() + (bar.pageStep() / 10)) | |
61 | elif key == QtCore.Qt.Key_Home: | |
62 | bar.setValue(bar.minimum()) | |
63 | elif key == QtCore.Qt.Key_End: | |
64 | bar.setValue(bar.maximum()) | |
65 | else: | |
8e15c19f | 66 | QtWidgets.QLineEdit.keyPressEvent(self, event) |
7dcf23b1 SH |
67 | elif key == QtCore.Qt.Key_PageUp: |
68 | bar.setValue(bar.value() - bar.pageStep()) | |
69 | elif key == QtCore.Qt.Key_PageDown: | |
70 | bar.setValue(bar.value() + bar.pageStep()) | |
7dcf23b1 SH |
71 | elif key == QtCore.Qt.Key_Up: |
72 | self._history_navigate(-1) | |
73 | elif key == QtCore.Qt.Key_Down: | |
74 | self._history_navigate(1) | |
75 | else: | |
8e15c19f | 76 | QtWidgets.QLineEdit.keyPressEvent(self, event) |
7dcf23b1 SH |
77 | |
78 | def _input_return_pressed(self): | |
e7b0dbce | 79 | self._history.append(self.text()) |
7dcf23b1 SH |
80 | self._history_index = len(self._history) |
81 | self.textSent.emit(self.text()) | |
82 | self.clear() | |
83 | ||
84 | def _history_navigate(self, direction): | |
85 | if self._history: | |
86 | self._history_index += direction | |
87 | if self._history_index < 0: | |
88 | self._history_index = 0 | |
89 | return | |
90 | if self._history_index > len(self._history) - 1: | |
91 | self._history_index = len(self._history) | |
92 | self.clear() | |
93 | return | |
94 | self.setText(self._history[self._history_index]) |