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#!/usr/bin/env python3
# Qtvcp widget
#
# Copyright (c) 2017 Chris Morley <chrisinnanaimo@hotmail.com>
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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.
# This is an extension of action buttons to show a round button image.
# Action buttons are used to control linuxcnc behavior by pressing.
# By making the button 'checkable' in the designer editor,
# the button will toggle.
# In the designer editor, it is possible to select what the button will do.
###############################################################################
from PyQt5 import QtGui, QtCore
from qtvcp.widgets.action_button import ActionButton
class RoundButton(ActionButton):
def __init__(self, parent=None):
super(RoundButton, self).__init__(parent)
self.setCheckable(True)
self.setWindowFlags(QtCore.Qt.FramelessWindowHint)
self.pixmap = QtGui.QPixmap()
self.false_pixmap = QtGui.QPixmap()
self.clip_region = QtGui.QRegion(QtCore.QRect(5, 5, self.width()-10, self.height()-10), QtGui.QRegion.Ellipse)
def action(self, state):
super(RoundButton, self).action(state)
self.setMask(self.clip_region)
def resizeEvent(self, event):
self.clip_region = QtGui.QRegion(QtCore.QRect(5, 5, self.width()-10, self.height()-10), QtGui.QRegion.Ellipse)
self.setMask(self.clip_region)
def paintEvent(self, event):
p = QtGui.QPainter(self)
if self.isChecked():
if not self.pixmap.isNull():
p.drawPixmap(event.rect(), self.pixmap)
return
else:
if not self.false_pixmap.isNull():
p.drawPixmap(event.rect(), self.false_pixmap)
return
super(RoundButton, self).paintEvent(event)
#########################################################################
# This is how designer can interact with our widget properties.
# designer will show the pyqtProperty properties in the editor
# it will use the get set and reset calls to do those actions
#########################################################################
def setImagePath(self, data):
self.pixmap = data
def getImagePath(self):
return self.pixmap
def resetImagePath(self):
self.pixmap
def setFalseImagePath(self, data):
self.false_pixmap = data
def getFalseImagePath(self):
return self.false_pixmap
def resetFalseImagePath(self):
self.false_pixmap
image_path = QtCore.pyqtProperty(QtGui.QPixmap, getImagePath, setImagePath, resetImagePath)
false_image_path = QtCore.pyqtProperty(QtGui.QPixmap, getFalseImagePath, setFalseImagePath, resetFalseImagePath)
# for testing without editor:
def main():
import sys
from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv)
widget = RoundButton()
widget.show()
sys.exit(app.exec_())
if __name__ == "__main__":
main()
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