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POround edges corner on a QWidget in PyQt
 

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  1. POround edges corner on a QWidget in PyQt
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    <p>I have made a greadient QWidget in PyQt4 but instead of sharp edges I want to have round edges, is it possible to do in pyqt ?</p> <pre><code>from PyQt4 import QtGui, QtCore import sys class ControlBar(QtGui.QWidget): """ docstring for ControlBar""" def __init__(self, parent=None): super(ControlBar, self).__init__(parent) self.resize(440, 100) self.setWindowFlags(QtCore.Qt.FramelessWindowHint) self.setWindowTitle("QLinearGradient Vertical Gradient ") self.setAttribute(QtCore.Qt.WA_TranslucentBackground) self.buildUi() def mousePressEvent(self, event): self.offset = event.pos() def mouseMoveEvent(self, event): try: x=event.globalX() y=event.globalY() x_w = self.offset.x() y_w = self.offset.y() self.move(x-x_w, y-y_w) except: pass def paintEvent(self, ev): painter = QtGui.QPainter(self) gradient = QtGui.QLinearGradient(QtCore.QRectF(self.rect()).topLeft(),QtCore.QRectF(self.rect()).bottomLeft()) gradient.setColorAt(0.0, QtCore.Qt.black) gradient.setColorAt(0.4, QtCore.Qt.gray) gradient.setColorAt(0.7, QtCore.Qt.black) painter.setBrush(gradient) painter.drawRoundedRect(0, 0, 440, 100, 20.0, 20.0) def buildUi(self): self.hoelayout = QtGui.QHBoxLayout() self.openBtn = RoundEdgeButton("Hello") self.backBtn = RoundEdgeButton() self.pausBtn = RoundEdgeButton() self.nextBtn = RoundEdgeButton() self.hoelayout.addStretch(1) self.hoelayout.addWidget(self.openBtn) self.hoelayout.addStretch(1) self.hoelayout.addWidget(self.backBtn) self.hoelayout.addStretch(1) self.hoelayout.addWidget(self.pausBtn) self.hoelayout.addStretch(1) self.hoelayout.addWidget(self.nextBtn) self.hoelayout.addStretch(1) self.setLayout(self.hoelayout) class RoundEdgeButton(QtGui.QPushButton): """ docstring for RoundEdgeButton""" def __init__(self,text=None, parent=None): super(RoundEdgeButton, self).__init__(parent) if text: self.setText(text) def paintEvent(self, ev): btnPaint = QtGui.QPainter(self) btnGradient = QtGui.QLinearGradient(QtCore.QRectF(self.rect()).topLeft(), QtCore.QRectF(self.rect()).bottomLeft()) btnGradient.setColorAt(0.8, QtCore.Qt.black) btnGradient.setColorAt(0.1, QtCore.Qt.gray) btnGradient.setColorAt(0.8, QtCore.Qt.black) btnPaint.setBrush(btnGradient) btnPaint.drawRoundedRect(self.rect(), 100.0, 100.0) if __name__ == '__main__': app = QtGui.QApplication(sys.argv) win = ControlBar() win.show() win.raise_() sys.exit(app.exec_()) </code></pre> <p>Here is how it looks like now</p> <p><img src="https://i.stack.imgur.com/ZSop1.png" alt="Squished buttons wanted round"></p>
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    1. USCiasto piekarz
    1. USCiasto piekarz
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      1. VTUpMod
    2. VO
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    1. COI've updated the answer for semi-transparent buttons
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      1. POround edges corner on a QWidget in PyQt
      1. USAlvaro Fuentes
    2. COChange `btnPaint.drawRoundedRect(0, 0, 50, 50, 100.0, 100.0)` for `btnPaint.drawRoundedRect(self.rect(), 100.0, 100.0)`
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      1. POround edges corner on a QWidget in PyQt
      1. USAlvaro Fuentes
    3. COwe are missing something, why would they get squished in the middle to form oval, I understand rect() is QRect(0, 0 , 75, 32) but changing this value entering manually to drawRoundedRect enlarges the button but it still gets cut at the middle...
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      1. POround edges corner on a QWidget in PyQt
      1. USCiasto piekarz
 

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