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-rw-r--r--raphodo/rotatedpushbutton.py175
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diff --git a/raphodo/rotatedpushbutton.py b/raphodo/rotatedpushbutton.py
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+# Copyright (C) 2015-2016 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/>.
+
+__author__ = 'Damon Lynch'
+__copyright__ = "Copyright 2015-2016, Damon Lynch"
+
+from enum import IntEnum
+
+from PyQt5.QtGui import (QColor, QPalette)
+from PyQt5.QtWidgets import (QPushButton, QStylePainter, QStyle, QStyleOptionButton, QHBoxLayout)
+
+class VerticalRotation(IntEnum):
+ left_side = 270
+ right_side = 90
+
+class FlatButton:
+ _padding = 'padding-left: {padding_side}px; padding-right: {padding_side}px; padding-top: ' \
+ '{padding_top}px; padding-bottom: {padding_bottom}px;'.format(
+ padding_top=6, padding_side=7, padding_bottom=6)
+
+ def setFlatStyle(self, button: QPushButton,
+ darker_if_checked: bool=True,
+ padding: str='',
+ color: QColor=None,
+ text_color: QColor=None) -> None:
+ if color is None:
+ color = QPalette().color(QPalette.Background)
+ default_color = color.name(QColor.HexRgb)
+
+ if darker_if_checked:
+ checked_color = color.darker(125).name(QColor.HexRgb)
+ else:
+ checked_color = default_color
+
+ hover_color = color.darker(110).name(QColor.HexRgb)
+
+ if not padding:
+ padding = self._padding
+
+ if text_color is not None:
+ text = 'color: {};'.format(text_color.name(QColor.HexRgb))
+ else:
+ text = ''
+
+ # outline:none is used to remove the rectangle that appears on a
+ # button when the button has focus
+ # http://stackoverflow.com/questions/17280056/qt-css-decoration-on-focus
+ stylesheet = """
+ QPushButton { background-color: %s;
+ border: 0px;
+ outline: none;
+ %s
+ %s}
+ QPushButton:checked { background-color: %s; border: none; }
+ QPushButton:hover{ background-color: %s; border-style: inset; }
+ """ % (default_color, padding, text, checked_color, hover_color) #
+
+ button.setStyleSheet(stylesheet)
+
+ def setHighlightedFlatStyle(self, button: QPushButton) -> None:
+ palette = QPalette()
+ color = palette.color(palette.Highlight)
+ text_color = palette.color(palette.HighlightedText)
+ self.setFlatStyle(button, color=color, text_color=text_color, darker_if_checked=False)
+
+class RotatedButton(QPushButton, FlatButton):
+ leftSide = 270.0
+ rightSide = 90.0
+
+ def __init__(self, text: str,
+ rotation: float,
+ flat: bool=True,
+ use_highlight_color=False,
+ checkable: bool=True,
+ parent=None) -> None:
+ """
+ A push button to show in the left or right side of a window
+ :param text: text to display
+ :param rotation: whether on the left or right side of the window
+ :param flat: if True, set style to flat style
+ :param use_highlight_color: if True, the button's color should be the palette's color
+ for highlighting selected items. Takes effect only when using a flat is also True.
+ :param checkable: if the button is checkable or not
+ :param parent: optional parent widget
+ """
+
+ super().__init__(text, parent)
+ self.buttonRotation = rotation
+ if flat:
+ # Use only the stylesheet to give the appearance of being flat.
+ # Don't mix and match stylesheet and non-stylesheet options for widgets.
+ # http://stackoverflow.com/questions/34654545/qt-flat-qpushbutton-background-color-doesnt-work
+ if use_highlight_color:
+ self.setHighlightedFlatStyle(self)
+ else:
+ self.setFlatStyle(self)
+ self.setCheckable(checkable)
+
+ def paintEvent(self, event):
+ painter = QStylePainter(self)
+ painter.rotate(self.buttonRotation)
+ if self.buttonRotation == VerticalRotation.left_side:
+ painter.translate(-1 * self.height(), 0)
+ elif self.buttonRotation == VerticalRotation.right_side:
+ painter.translate(0, -1 * self.width())
+ painter.drawControl(QStyle.CE_PushButton, self.getSyleOptions())
+
+ def setRotation(self, rotation: float):
+ self.buttonRotation = rotation
+
+ def sizeHint(self):
+ size = super().sizeHint()
+ size.transpose()
+ return size
+
+ def getSyleOptions(self) -> QStyleOptionButton:
+ options = QStyleOptionButton()
+ options.initFrom(self)
+ size = options.rect.size()
+ size.transpose()
+ options.rect.setSize(size)
+
+ try:
+ options.features = QStyleOptionButton.None_
+ except AttributeError:
+ # Allow for bug in PyQt 5.4
+ options.features = getattr(QStyleOptionButton, 'None')
+ if self.isFlat():
+ options.features |= QStyleOptionButton.Flat
+ if self.menu():
+ options.features |= QStyleOptionButton.HasMenu
+ if self.autoDefault() or self.isDefault():
+ options.features |= QStyleOptionButton.AutoDefaultButton
+ if self.isDefault():
+ options.features |= QStyleOptionButton.DefaultButton
+ if self.isDown() or (self.menu() and self.menu().isVisible()):
+ options.state |= QStyle.State_Sunken
+ if self.isChecked():
+ options.state |= QStyle.State_On
+ if not self.isFlat() and not self.isDown():
+ options.state |= QStyle.State_Raised
+
+ options.text = self.text()
+ options.icon = self.icon()
+ options.iconSize = self.iconSize()
+ return options
+
+ def setHighlighted(self, highlighted: bool) -> None:
+ if highlighted:
+ self.setHighlightedFlatStyle(self)
+ else:
+ self.setFlatStyle(self)
+ self.update()
+
+
+
+
+
+
+