forked from openlp/openlp
92 lines
4.3 KiB
Python
92 lines
4.3 KiB
Python
# -*- coding: utf-8 -*-
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# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
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###############################################################################
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# OpenLP - Open Source Lyrics Projection #
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# --------------------------------------------------------------------------- #
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# Copyright (c) 2008-2014 Raoul Snyman #
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# Portions copyright (c) 2008-2014 Tim Bentley, Gerald Britton, Jonathan #
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# Corwin, Samuel Findlay, Michael Gorven, Scott Guerrieri, Matthias Hub, #
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# Meinert Jordan, Armin Köhler, Erik Lundin, Edwin Lunando, Brian T. Meyer. #
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# Joshua Miller, Stevan Pettit, Andreas Preikschat, Mattias Põldaru, #
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# Christian Richter, Philip Ridout, Simon Scudder, Jeffrey Smith, #
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# Maikel Stuivenberg, Martin Thompson, Jon Tibble, Dave Warnock, #
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# Frode Woldsund, Martin Zibricky, Patrick Zimmermann #
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# --------------------------------------------------------------------------- #
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# This program is free software; you can redistribute it and/or modify it #
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# under the terms of the GNU General Public License as published by the Free #
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# Software Foundation; version 2 of the License. #
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# #
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# This program is distributed in the hope that it will be useful, but WITHOUT #
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
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# more details. #
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# #
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# You should have received a copy of the GNU General Public License along #
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# with this program; if not, write to the Free Software Foundation, Inc., 59 #
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# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
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###############################################################################
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"""
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The :mod:`~openlp.core.lib.historycombobox` module contains the HistoryComboBox widget
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"""
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from PyQt4 import QtCore, QtGui
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class HistoryComboBox(QtGui.QComboBox):
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"""
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The :class:`~openlp.core.lib.historycombobox.HistoryComboBox` widget emulates the QLineEdit ``returnPressed`` signal
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for when the :kbd:`Enter` or :kbd:`Return` keys are pressed, and saves anything that is typed into the edit box into
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its list.
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"""
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returnPressed = QtCore.pyqtSignal()
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def __init__(self, parent=None):
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"""
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Initialise the combo box, setting duplicates to False and the insert policy to insert items at the top.
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:param parent: The parent widget
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"""
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super().__init__(parent)
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self.setDuplicatesEnabled(False)
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self.setEditable(True)
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self.setSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Preferred)
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self.setInsertPolicy(QtGui.QComboBox.InsertAtTop)
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def keyPressEvent(self, event):
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"""
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Override the inherited keyPressEvent method to emit the ``returnPressed`` signal and to save the current text to
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the dropdown list.
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:param event: The keyboard event
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"""
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# Handle Enter and Return ourselves
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if event.key() == QtCore.Qt.Key_Enter or event.key() == QtCore.Qt.Key_Return:
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# Emit the returnPressed signal
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self.returnPressed.emit()
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# Save the current text to the dropdown list
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if self.currentText() and self.findText(self.currentText()) == -1:
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self.insertItem(0, self.currentText())
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# Let the parent handle any keypress events
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super().keyPressEvent(event)
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def focusOutEvent(self, event):
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"""
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Override the inherited focusOutEvent to save the current text to the dropdown list.
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:param event: The focus event
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"""
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# Save the current text to the dropdown list
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if self.currentText() and self.findText(self.currentText()) == -1:
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self.insertItem(0, self.currentText())
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# Let the parent handle any keypress events
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super().focusOutEvent(event)
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def getItems(self):
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"""
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Get all the items from the history
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:return: A list of strings
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"""
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return [self.itemText(i) for i in range(self.count())]
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