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# Copyright (C) 2016-2017 Damon Lynch <damonlynch@gmail.com>
# This file is part of Rapid Photo Downloader.
#
# Rapid Photo Downloader 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, either version 3 of the License, or
# (at your option) any later version.
#
# Rapid Photo Downloader 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 Rapid Photo Downloader. If not,
# see <http://www.gnu.org/licenses/>.
"""
Combo box with a chevron selector
"""
__author__ = 'Damon Lynch'
__copyright__ = "Copyright 2011-2017, Damon Lynch"
from PyQt5.QtWidgets import QStyledItemDelegate, QComboBox, QLabel, QSizePolicy
from PyQt5.QtGui import QFontMetrics, QFont
from PyQt5.QtCore import Qt
import raphodo.qrc_resources as qrc_resources
class ChevronCombo(QComboBox):
"""
Combo box with a chevron selector
"""
def __init__(self, in_panel: bool=False, parent=None) -> None:
"""
:param in_panel: if True, widget color set to background color,
else set to window color
"""
super().__init__(parent)
if in_panel:
color = 'background'
else:
color = 'window'
style = """
QComboBox {
border: 0px;
padding: 1px 3px 1px 3px;
background-color: palette(%(color)s);
selection-background-color: palette(highlight);
color: palette(window-text);
}
QComboBox:on { /* shift the text when the popup opens */
padding-top: 3px;
padding-left: 4px;
}
QComboBox::drop-down {
subcontrol-origin: padding;
subcontrol-position: top right;
width: %(width)dpx;
border: 0px;
}
QComboBox::down-arrow {
image: url(:/chevron-down.svg);
width: %(width)dpx;
}
QComboBox QAbstractItemView {
outline: none;
border: 1px solid palette(shadow);
background-color: palette(%(color)s);
selection-background-color: palette(highlight);
selection-color: palette(highlighted-text);
color: palette(window-text)
}
QComboBox QAbstractItemView::item {
padding: 3px;
}
""" % dict(width=int(QFontMetrics(QFont()).height() * (2 / 3)), color=color)
self.label_style = """
QLabel {border-color: palette(%(color)s); border-width: 1px; border-style: solid;}
""" % dict(color=color)
self.setStyleSheet(style)
# Delegate overrides default delegate for the Combobox, which is
# pretty ugly whenever a style sheet color is applied.
# See http://stackoverflow.com/questions/13308341/qcombobox-abstractitemviewitem?rq=1
self.setItemDelegate(QStyledItemDelegate())
self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Maximum)
def makeLabel(self, text: str) -> QLabel:
label = QLabel(text)
# Add an invisible border to make the label vertically align with the comboboxes
# Otherwise it's off by 1px
# TODO perhaps come up with a better way to solve this alignment problem
label.setStyleSheet(self.label_style)
label.setAlignment(Qt.AlignBottom)
label.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Maximum)
return label
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