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author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-07-06 22:55:18 +0200 |
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committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2017-07-06 22:55:18 +0200 |
commit | 14f84dc139317de4cfc02ff36c2ad799b060dbaf (patch) | |
tree | 5163e8e596302e570a2e39c62d7a9df0e1490e28 /raphodo/toggleview.py | |
parent | 18afe3e2ebdb10bbc542d79280344d9adf923d2f (diff) | |
parent | 083849161f075878e4175cd03cb7afa83d64e7f5 (diff) |
Updated version 0.9.0 from 'upstream/0.9.0'
with Debian dir 04f2bb3e026e2a983dcac5cdcc35c9dd8f6b91ab
Diffstat (limited to 'raphodo/toggleview.py')
-rw-r--r-- | raphodo/toggleview.py | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/raphodo/toggleview.py b/raphodo/toggleview.py new file mode 100644 index 0000000..e1f6ea3 --- /dev/null +++ b/raphodo/toggleview.py @@ -0,0 +1,123 @@ +# Copyright (C) 2016 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/>. + +""" +Widget containing Header with Toggle Switch, and contains widget that appears or +disappears depending on the toggle switch's state. + +Portions modeled on Canonical's QExpander, which is an 'Expander widget +similar to the GtkExpander', Copyright 2012 Canonical Ltd +""" + +__author__ = 'Damon Lynch' +__copyright__ = "Copyright 2016, Damon Lynch" + +from typing import Optional +from PyQt5.QtCore import pyqtSignal, pyqtSlot, QSize +from PyQt5.QtGui import QColor, QPalette +from PyQt5.QtWidgets import (QHBoxLayout, QLabel, QSizePolicy, QVBoxLayout, + QWidget) + +from raphodo.toggleswitch import QToggleSwitch +from raphodo.panelview import QPanelView +from raphodo.viewutils import QFramedWidget + + +class BlankWidget(QFramedWidget): + def __init__(self, parent=None): + super().__init__(parent) + palette = QPalette() + palette.setColor(QPalette.Window, palette.color(palette.Base)) + self.setAutoFillBackground(True) + self.setPalette(palette) + + +class QToggleView(QPanelView): + """ + A header bar with tooggle switch over a widget that is switched on/off. + """ + + valueChanged = pyqtSignal(bool) + + def __init__(self, label: str, + display_alternate: bool, + toggleToolTip: Optional[str], + headerColor: Optional[QColor]=None, + headerFontColor: Optional[QColor]=None, + on: bool=True, + parent: QWidget=None) -> None: + + super().__init__(label=label, headerColor=headerColor, headerFontColor=headerFontColor, + parent=parent) + # Override base class definition: + self.headerLayout.setContentsMargins(5, 0, 5, 0) + + if display_alternate: + self.alternateWidget = BlankWidget() + layout = self.layout() # type: QVBoxLayout + layout.addWidget(self.alternateWidget) + else: + self.alternateWidget = None + + + self.toggleSwitch = QToggleSwitch(background=headerColor, parent=self) + self.toggleSwitch.valueChanged.connect(self.toggled) + if toggleToolTip: + self.toggleSwitch.setToolTip(toggleToolTip) + self.addHeaderWidget(self.toggleSwitch) + self.toggleSwitch.setOn(on) + + def addWidget(self, widget: QWidget) -> None: + super().addWidget(widget) + self.toggled(0) + + def on(self) -> bool: + """Return if widget is expanded.""" + + return self.toggleSwitch.on() + + def setOn(self, isOn: bool) -> None: + """Expand the widget or not.""" + + self.toggleSwitch.setOn(isOn) + + @pyqtSlot(int) + def toggled(self, value: int) -> None: + if self.content is not None: + self.content.setVisible(self.on()) + if self.alternateWidget is not None: + self.alternateWidget.setVisible(not self.on()) + + self.valueChanged.emit(self.on()) + + def minimumSize(self) -> QSize: + size = super().minimumSize() + width = size.width() + height = self.minimumHeight() + return QSize(width, height) + + def minimumHeight(self) -> int: + if not self.toggleSwitch.on(): + return self.header.height() + else: + return super().minimumSize().height() + + + + + |