forked from openlp/openlp
85 lines
3.8 KiB
Python
85 lines
3.8 KiB
Python
# -*- coding: utf-8 -*-
|
|
# vim: autoindent shiftwidth=4 expandtab textwidth=120 tabstop=4 softtabstop=4
|
|
|
|
###############################################################################
|
|
# OpenLP - Open Source Lyrics Projection #
|
|
# --------------------------------------------------------------------------- #
|
|
# Copyright (c) 2008-2017 OpenLP Developers #
|
|
# --------------------------------------------------------------------------- #
|
|
# This program is free software; you can redistribute it and/or modify it #
|
|
# under the terms of the GNU General Public License as published by the Free #
|
|
# Software Foundation; version 2 of the License. #
|
|
# #
|
|
# This program is distributed in the hope that it will be useful, but WITHOUT #
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or #
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for #
|
|
# more details. #
|
|
# #
|
|
# You should have received a copy of the GNU General Public License along #
|
|
# with this program; if not, write to the Free Software Foundation, Inc., 59 #
|
|
# Temple Place, Suite 330, Boston, MA 02111-1307 USA #
|
|
###############################################################################
|
|
"""
|
|
The :mod:`~openlp.core.common.historycombobox` module contains the HistoryComboBox widget
|
|
"""
|
|
|
|
from PyQt5 import QtCore, QtWidgets
|
|
|
|
|
|
class HistoryComboBox(QtWidgets.QComboBox):
|
|
"""
|
|
The :class:`~openlp.core.common.historycombobox.HistoryComboBox` widget emulates the QLineEdit ``returnPressed``
|
|
signal for when the :kbd:`Enter` or :kbd:`Return` keys are pressed, and saves anything that is typed into the edit
|
|
box into its list.
|
|
"""
|
|
returnPressed = QtCore.pyqtSignal()
|
|
|
|
def __init__(self, parent=None):
|
|
"""
|
|
Initialise the combo box, setting duplicates to False and the insert policy to insert items at the top.
|
|
|
|
:param parent: The parent widget
|
|
"""
|
|
super().__init__(parent)
|
|
self.setDuplicatesEnabled(False)
|
|
self.setEditable(True)
|
|
self.setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Preferred)
|
|
self.setInsertPolicy(QtWidgets.QComboBox.InsertAtTop)
|
|
|
|
def keyPressEvent(self, event):
|
|
"""
|
|
Override the inherited keyPressEvent method to emit the ``returnPressed`` signal and to save the current text to
|
|
the dropdown list.
|
|
|
|
:param event: The keyboard event
|
|
"""
|
|
# Handle Enter and Return ourselves
|
|
if event.key() == QtCore.Qt.Key_Enter or event.key() == QtCore.Qt.Key_Return:
|
|
# Emit the returnPressed signal
|
|
self.returnPressed.emit()
|
|
# Save the current text to the dropdown list
|
|
if self.currentText() and self.findText(self.currentText()) == -1:
|
|
self.insertItem(0, self.currentText())
|
|
# Let the parent handle any keypress events
|
|
super().keyPressEvent(event)
|
|
|
|
def focusOutEvent(self, event):
|
|
"""
|
|
Override the inherited focusOutEvent to save the current text to the dropdown list.
|
|
|
|
:param event: The focus event
|
|
"""
|
|
# Save the current text to the dropdown list
|
|
if self.currentText() and self.findText(self.currentText()) == -1:
|
|
self.insertItem(0, self.currentText())
|
|
# Let the parent handle any keypress events
|
|
super().focusOutEvent(event)
|
|
|
|
def getItems(self):
|
|
"""
|
|
Get all the items from the history
|
|
|
|
:return: A list of strings
|
|
"""
|
|
return [self.itemText(i) for i in range(self.count())]
|