97 lines
3.6 KiB
Python
97 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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#
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# input.py - input line for chat and debug window
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#
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# Copyright (C) 2011-2022 Sébastien Helleu <flashcode@flashtux.org>
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#
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# This file is part of QWeeChat, a Qt remote GUI for WeeChat.
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#
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# QWeeChat is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# QWeeChat is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with QWeeChat. If not, see <http://www.gnu.org/licenses/>.
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#
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"""Input line for chat and debug window."""
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from PyQt5 import QtCore, QtWidgets
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from PyQt5.QtCore import pyqtSignal
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Signal = pyqtSignal
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class InputLineEdit(QtWidgets.QLineEdit):
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"""Input line."""
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bufferSwitchPrev = Signal()
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bufferSwitchNext = Signal()
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textSent = Signal(str)
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def __init__(self, scroll_widget):
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super().__init__()
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self.scroll_widget = scroll_widget
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self._history = []
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self._history_index = -1
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self.returnPressed.connect(self._input_return_pressed)
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def keyPressEvent(self, event):
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key = event.key()
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modifiers = event.modifiers()
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scroll = self.scroll_widget.verticalScrollBar()
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if modifiers == QtCore.Qt.ControlModifier:
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if key == QtCore.Qt.Key_PageUp:
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self.bufferSwitchPrev.emit()
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elif key == QtCore.Qt.Key_PageDown:
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self.bufferSwitchNext.emit()
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else:
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QtWidgets.QLineEdit.keyPressEvent(self, event)
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elif modifiers == QtCore.Qt.AltModifier:
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if key in (QtCore.Qt.Key_Left, QtCore.Qt.Key_Up):
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self.bufferSwitchPrev.emit()
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elif key in (QtCore.Qt.Key_Right, QtCore.Qt.Key_Down):
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self.bufferSwitchNext.emit()
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elif key == QtCore.Qt.Key_PageUp:
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scroll.setValue(scroll.value() - (scroll.pageStep() / 10))
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elif key == QtCore.Qt.Key_PageDown:
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scroll.setValue(scroll.value() + (scroll.pageStep() / 10))
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elif key == QtCore.Qt.Key_Home:
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scroll.setValue(scroll.minimum())
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elif key == QtCore.Qt.Key_End:
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scroll.setValue(scroll.maximum())
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else:
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QtWidgets.QLineEdit.keyPressEvent(self, event)
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elif key == QtCore.Qt.Key_PageUp:
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scroll.setValue(scroll.value() - scroll.pageStep())
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elif key == QtCore.Qt.Key_PageDown:
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scroll.setValue(scroll.value() + scroll.pageStep())
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elif key == QtCore.Qt.Key_Up:
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self._history_navigate(-1)
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elif key == QtCore.Qt.Key_Down:
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self._history_navigate(1)
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else:
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QtWidgets.QLineEdit.keyPressEvent(self, event)
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def _input_return_pressed(self):
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self._history.append(self.text())
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self._history_index = len(self._history)
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self.textSent.emit(self.text())
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self.clear()
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def _history_navigate(self, direction):
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if self._history:
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self._history_index += direction
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if self._history_index < 0:
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self._history_index = 0
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return
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if self._history_index > len(self._history) - 1:
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self._history_index = len(self._history)
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self.clear()
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return
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self.setText(self._history[self._history_index])
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