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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 | ||
7dcf23b1 | 23 | import qt_compat |
356719e0 | 24 | |
7dcf23b1 SH |
25 | QtCore = qt_compat.import_module('QtCore') |
26 | QtGui = qt_compat.import_module('QtGui') | |
27 | ||
28 | ||
29 | class InputLineEdit(QtGui.QLineEdit): | |
30 | """Input line.""" | |
31 | ||
32 | bufferSwitchPrev = qt_compat.Signal() | |
33 | bufferSwitchNext = qt_compat.Signal() | |
34 | textSent = qt_compat.Signal(str) | |
35 | ||
36 | def __init__(self, scroll_widget): | |
37 | QtGui.QLineEdit.__init__(self) | |
38 | self.scroll_widget = scroll_widget | |
39 | self._history = [] | |
40 | self._history_index = -1 | |
41 | self.returnPressed.connect(self._input_return_pressed) | |
42 | ||
43 | def keyPressEvent(self, event): | |
44 | key = event.key() | |
45 | modifiers = event.modifiers() | |
46 | bar = self.scroll_widget.verticalScrollBar() | |
77df9d06 SH |
47 | if modifiers == QtCore.Qt.ControlModifier: |
48 | if key == QtCore.Qt.Key_PageUp: | |
49 | self.bufferSwitchPrev.emit() | |
50 | elif key == QtCore.Qt.Key_PageDown: | |
51 | self.bufferSwitchNext.emit() | |
52 | else: | |
53 | QtGui.QLineEdit.keyPressEvent(self, event) | |
54 | elif modifiers == QtCore.Qt.AltModifier: | |
55 | if key in (QtCore.Qt.Key_Left, QtCore.Qt.Key_Up): | |
56 | self.bufferSwitchPrev.emit() | |
57 | elif key in (QtCore.Qt.Key_Right, QtCore.Qt.Key_Down): | |
58 | self.bufferSwitchNext.emit() | |
59 | elif key == QtCore.Qt.Key_PageUp: | |
60 | bar.setValue(bar.value() - (bar.pageStep() / 10)) | |
61 | elif key == QtCore.Qt.Key_PageDown: | |
62 | bar.setValue(bar.value() + (bar.pageStep() / 10)) | |
63 | elif key == QtCore.Qt.Key_Home: | |
64 | bar.setValue(bar.minimum()) | |
65 | elif key == QtCore.Qt.Key_End: | |
66 | bar.setValue(bar.maximum()) | |
67 | else: | |
68 | QtGui.QLineEdit.keyPressEvent(self, event) | |
7dcf23b1 SH |
69 | elif key == QtCore.Qt.Key_PageUp: |
70 | bar.setValue(bar.value() - bar.pageStep()) | |
71 | elif key == QtCore.Qt.Key_PageDown: | |
72 | bar.setValue(bar.value() + bar.pageStep()) | |
7dcf23b1 SH |
73 | elif key == QtCore.Qt.Key_Up: |
74 | self._history_navigate(-1) | |
75 | elif key == QtCore.Qt.Key_Down: | |
76 | self._history_navigate(1) | |
77 | else: | |
78 | QtGui.QLineEdit.keyPressEvent(self, event) | |
79 | ||
80 | def _input_return_pressed(self): | |
e09c80ab | 81 | self._history.append(self.text().encode('utf-8')) |
7dcf23b1 SH |
82 | self._history_index = len(self._history) |
83 | self.textSent.emit(self.text()) | |
84 | self.clear() | |
85 | ||
86 | def _history_navigate(self, direction): | |
87 | if self._history: | |
88 | self._history_index += direction | |
89 | if self._history_index < 0: | |
90 | self._history_index = 0 | |
91 | return | |
92 | if self._history_index > len(self._history) - 1: | |
93 | self._history_index = len(self._history) | |
94 | self.clear() | |
95 | return | |
96 | self.setText(self._history[self._history_index]) |