Merge pull request #71 from Alexhuszagh/branchless

Add example of branchless indicators.
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Alexander Huszagh 2022-11-18 16:50:50 -06:00 committed by GitHub
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branchless
==========
This contains an example widget for a `QTreeView` where the branch indicators are hidden. In order to add these branchless indicators to your project, copy this directory into the [extension](/extension) folder, and then configure with (adding any additional resources or styles as you see fit):
```bash
python configure.py --extensions=branchless --resource custom.qrc
```
## Example
<p align="center"><b>Dark</b></p>
<figure>
<img
alt="Breeze Dark theme using branchless indicators for Windows"
src="/assets/breeze_dark_branchless.png"
title="BreezeDarkBranchless"
/>
</figure>
<p align="center"><b>Light</b></p>
<figure>
<img
alt="Breeze Light theme using branchless indicators for Windows"
src="/assets/breeze_light_branchless.png"
title="BreezeLightBranchless"
/>
</figure>

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#!/usr/bin/env python
#
# The MIT License (MIT)
#
# Copyright (c) <2022-Present> <Alex Huszagh>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
import os
import sys
HOME = os.path.dirname(os.path.realpath(__file__))
sys.path.insert(0, os.path.dirname(HOME))
import widgets
import shared
parser = shared.create_parser()
args, unknown = shared.parse_args(parser)
QtCore, QtGui, QtWidgets = shared.import_qt(args)
compat = shared.get_compat_definitions(args)
ICON_MAP = shared.get_icon_map(args, compat)
def set_stylesheet(args, app, compat):
'''Set the application stylesheet.'''
if args.stylesheet != 'native':
resource_format = shared.get_resources(args)
qt_path = shared.get_stylesheet(resource_format)
ext_path = os.path.join(HOME, 'stylesheet.qss.in')
stylesheet = shared.read_qtext_file(qt_path, compat)
stylesheet += '\n' + open(ext_path, 'r').read()
app.setStyleSheet(stylesheet)
def get_treeviews(parent, depth=1000):
for child in parent.children():
if isinstance(child, QtWidgets.QTreeView):
yield child
elif depth > 0:
yield from get_treeviews(child, depth - 1)
def main():
'Application entry point'
# this is mostly a hack to get simplify using the same UI but with
# minimal additions to modify the stylesheet
app, window = shared.setup_app(args, unknown, compat)
# setup ui
ui = widgets.Ui()
ui.setup(window)
ui.bt_delay_popup.addActions([
ui.actionAction,
ui.actionAction_C
])
ui.bt_instant_popup.addActions([
ui.actionAction,
ui.actionAction_C
])
ui.bt_menu_button_popup.addActions([
ui.actionAction,
ui.actionAction_C
])
window.setWindowTitle('Sample BreezeStyleSheets application.')
# Add event triggers
ui.actionAction.triggered.connect(ui.about)
ui.actionAction_C.triggered.connect(ui.critical)
# tabify dock widgets to show bug #6
window.tabifyDockWidget(ui.dockWidget1, ui.dockWidget2)
# add object names to all the widgets so we don't have to recreate a UI
for tree in get_treeviews(window):
tree.setObjectName("branchless")
set_stylesheet(args, app, compat)
return shared.exec_app(args, app, window, compat)
if __name__ == '__main__':
sys.exit(main())

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/**
* BRANCHLESS QTREEVIEW STYLESHEET
* -------------------------------
*/
/**
* We disable all the border images for the branch indicators, while
* keeping the images for the branch closed/open and hover variants
* the default.
*/
QTreeView[objectName="branchless"]::branch:has-siblings
{
border-image: none;
image: none;
}
QTreeView[objectName="branchless"]::branch:!has-siblings
{
border-image: none;
image: none;
}
QTreeView[objectName="branchless"]::branch:has-siblings:adjoins-item
{
border-image: none;
}
QTreeView[objectName="branchless"]::branch:!has-children:!has-siblings:adjoins-item
{
border-image: none;
}
QTreeView[objectName="branchless"]::branch:has-children:!has-siblings:closed,
QTreeView[objectName="branchless"]::branch:open:has-children:!has-siblings
{
border-image: none;
}
QTreeView[objectName="branchless"]::branch:closed:has-children:has-siblings,
QTreeView[objectName="branchless"]::branch:open:has-children:has-siblings
{
border-image: none;
}

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@ -912,16 +912,19 @@ def setup_app(args, unknown, compat, style_class=None, window_class=None):
return app, window return app, window
def read_qtext_file(path, compat):
file = compat.QtCore.QFile(path)
file.open(compat.ReadOnly | compat.Text)
stream = compat.QtCore.QTextStream(file)
return stream.readAll()
def set_stylesheet(args, app, compat): def set_stylesheet(args, app, compat):
'''Set the application stylesheet.''' '''Set the application stylesheet.'''
if args.stylesheet != 'native': if args.stylesheet != 'native':
resource_format = get_resources(args) resource_format = get_resources(args)
stylesheet = get_stylesheet(resource_format) stylesheet = get_stylesheet(resource_format)
file = compat.QtCore.QFile(stylesheet) app.setStyleSheet(read_qtext_file(stylesheet, compat))
file.open(compat.ReadOnly | compat.Text)
stream = compat.QtCore.QTextStream(file)
app.setStyleSheet(stream.readAll())
def exec_app(args, app, window, compat): def exec_app(args, app, window, compat):
'''Show and execute the Qt application.''' '''Show and execute the Qt application.'''