diff options
Diffstat (limited to 'examples/widgets/itemviews/stardelegate/stareditor.py')
| -rw-r--r-- | examples/widgets/itemviews/stardelegate/stareditor.py | 80 |
1 files changed, 21 insertions, 59 deletions
diff --git a/examples/widgets/itemviews/stardelegate/stareditor.py b/examples/widgets/itemviews/stardelegate/stareditor.py index 820aba8bf..296afa950 100644 --- a/examples/widgets/itemviews/stardelegate/stareditor.py +++ b/examples/widgets/itemviews/stardelegate/stareditor.py @@ -1,100 +1,62 @@ +# Copyright (C) 2010 Hans-Peter Jansen <hpj@urpla.net> +# Copyright (C) 2011 Arun Srinivasan <rulfzid@gmail.com> +# Copyright (C) 2022 The Qt Company Ltd. +# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause -############################################################################# -## -## Copyright (C) 2010 Hans-Peter Jansen <hpj@urpla.net> -## Copyright (C) 2011 Arun Srinivasan <rulfzid@gmail.com> -## Copyright (C) 2016 The Qt Company Ltd. -## Contact: http://www.qt.io/licensing/ -## -## This file is part of the Qt for Python examples of the Qt Toolkit. -## -## $QT_BEGIN_LICENSE:BSD$ -## You may use this file under the terms of the BSD license as follows: -## -## "Redistribution and use in source and binary forms, with or without -## modification, are permitted provided that the following conditions are -## met: -## * Redistributions of source code must retain the above copyright -## notice, this list of conditions and the following disclaimer. -## * Redistributions in binary form must reproduce the above copyright -## notice, this list of conditions and the following disclaimer in -## the documentation and/or other materials provided with the -## distribution. -## * Neither the name of The Qt Company Ltd nor the names of its -## contributors may be used to endorse or promote products derived -## from this software without specific prior written permission. -## -## -## THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -## "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -## LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -## A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -## OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -## DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -## THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -## (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -## OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -## -## $QT_END_LICENSE$ -## -############################################################################# - -from PySide2.QtWidgets import (QWidget) -from PySide2.QtGui import (QPainter) -from PySide2.QtCore import Signal +from PySide6.QtWidgets import (QWidget) +from PySide6.QtGui import (QPainter) +from PySide6.QtCore import Signal from starrating import StarRating + class StarEditor(QWidget): """ The custom editor for editing StarRatings. """ # A signal to tell the delegate when we've finished editing. - editingFinished = Signal() + editing_finished = Signal() def __init__(self, parent=None): """ Initialize the editor object, making sure we can watch mouse events. """ - super(StarEditor, self).__init__(parent) + super().__init__(parent) self.setMouseTracking(True) self.setAutoFillBackground(True) - self.starRating = StarRating() + self.star_rating = StarRating() def sizeHint(self): """ Tell the caller how big we are. """ - return self.starRating.sizeHint() + return self.star_rating.sizeHint() def paintEvent(self, event): """ Paint the editor, offloading the work to the StarRating class. """ - painter = QPainter(self) - self.starRating.paint(painter, self.rect(), self.palette(), isEditable=True) + with QPainter(self) as painter: + self.star_rating.paint(painter, self.rect(), self.palette(), isEditable=True) def mouseMoveEvent(self, event): """ As the mouse moves inside the editor, track the position and update the editor to display as many stars as necessary. """ - star = self.starAtPosition(event.x()) + star = self.star_at_position(event.x()) - if (star != self.starRating.starCount) and (star != -1): - self.starRating.starCount = star + if (star != self.star_rating.star_count) and (star != -1): + self.star_rating.star_count = star self.update() def mouseReleaseEvent(self, event): """ Once the user has clicked his/her chosen star rating, tell the delegate we're done editing. """ - self.editingFinished.emit() + self.editing_finished.emit() - def starAtPosition(self, x): + def star_at_position(self, x): """ Calculate which star the user's mouse cursor is currently hovering over. """ - star = (x / (self.starRating.sizeHint().width() / - self.starRating.maxStarCount)) + 1 - if (star <= 0) or (star > self.starRating.maxStarCount): + star = (x / (self.star_rating.sizeHint().width() / self.star_rating.MAX_STAR_COUNT)) + 1 + if (star <= 0) or (star > self.star_rating.MAX_STAR_COUNT): return -1 return star |