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An example code to make rounded window on Qt
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# coding=utf-8 | |
""" | |
""" | |
__author__ = 'Alisue <lambdalisue@hashnote.net>' | |
try: | |
from PySide import QtCore | |
from PySide import QtGui | |
except ImportError: | |
from PyQt4 import QtCore | |
from PyQt4 import QtGui | |
def hex2QColor(c): | |
"""Convert Hex color to QColor""" | |
r=int(c[0:2],16) | |
g=int(c[2:4],16) | |
b=int(c[4:6],16) | |
return QtGui.QColor(r,g,b) | |
class RoundedWindow(QtGui.QWidget): | |
def __init__(self, parent=None): | |
super(RoundedWindow, self).__init__(parent) | |
# make the window frameless | |
self.setWindowFlags(QtCore.Qt.FramelessWindowHint) | |
self.setAttribute(QtCore.Qt.WA_TranslucentBackground) | |
self.backgroundColor = hex2QColor("efefef") | |
self.foregroundColor = hex2QColor("333333") | |
self.borderRadius = 5 | |
self.draggable = True | |
self.dragging_threshould = 5 | |
self.__mousePressPos = None | |
self.__mouseMovePos = None | |
layout = QtGui.QVBoxLayout(self) | |
layout.setContentsMargins(0, 0, 0, 0) | |
layout.setSpacing(0) | |
layout.addWidget(QtGui.QSizeGrip(self), 0, | |
QtCore.Qt.AlignBottom | QtCore.Qt.AlignRight) | |
self.setMinimumSize(320, 240) | |
def paintEvent(self, event): | |
# get current window size | |
s = self.size() | |
qp = QtGui.QPainter() | |
qp.begin(self) | |
qp.setRenderHint(QtGui.QPainter.Antialiasing, True) | |
qp.setPen(self.foregroundColor) | |
qp.setBrush(self.backgroundColor) | |
qp.drawRoundedRect(0, 0, s.width(), s.height(), | |
self.borderRadius, self.borderRadius) | |
qp.end() | |
def mousePressEvent(self, event): | |
if self.draggable and event.button() == QtCore.Qt.LeftButton: | |
self.__mousePressPos = event.globalPos() # global | |
self.__mouseMovePos = event.globalPos() - self.pos() # local | |
super(RoundedWindow, self).mousePressEvent(event) | |
def mouseMoveEvent(self, event): | |
if self.draggable and event.buttons() & QtCore.Qt.LeftButton: | |
globalPos = event.globalPos() | |
moved = globalPos - self.__mousePressPos | |
if moved.manhattanLength() > self.dragging_threshould: | |
# move when user drag window more than dragging_threshould | |
diff = globalPos - self.__mouseMovePos | |
self.move(diff) | |
self.__mouseMovePos = globalPos - self.pos() | |
super(RoundedWindow, self).mouseMoveEvent(event) | |
def mouseReleaseEvent(self, event): | |
if self.__mousePressPos is not None: | |
if event.button() == QtCore.Qt.LeftButton: | |
moved = event.globalPos() - self.__mousePressPos | |
if moved.manhattanLength() > self.dragging_threshould: | |
# do not call click event or so on | |
event.ignore() | |
self.__mousePressPos = None | |
super(RoundedWindow, self).mouseReleaseEvent(event) | |
# close event | |
if event.button() == QtCore.Qt.RightButton: | |
QtGui.qApp.exit() | |
if __name__ == '__main__': | |
import sys | |
app = QtGui.QApplication(sys.argv) | |
main = RoundedWindow() | |
main.show() | |
sys.exit(app.exec_()) |
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