On Saturday, October 4, 2014 3:35:33 PM UTC+5:30, Sachin Tiwari wrote:
> Hi
>
>
>
> I want to drag and drop push multiple push buttons but its working for only
> for last button. And I want to connect them by a wire.
>
>
>
> Please help.
>
>
>
> import sys
>
> from PyQt4 import QtGui, QtCore
>
>
>
>
>
> class Button(QtGui.QPushButton):
>
> def mouseMoveEvent(self, e):
>
> if e.buttons() != QtCore.Qt.RightButton:
>
> return
>
>
>
> mimeData = QtCore.QMimeData()
>
> mimeData.setText('%d,%d' % (e.x(), e.y()))
>
>
>
> pixmap = QtGui.QPixmap.grabWidget(self)
>
>
>
> painter = QtGui.QPainter(pixmap)
>
> painter.setCompositionMode(painter.CompositionMode_DestinationIn)
>
> painter.fillRect(pixmap.rect(), QtGui.QColor(0, 0, 0, 127))
>
> painter.end()
>
>
>
> drag = QtGui.QDrag(self)
>
> drag.setMimeData(mimeData)
>
> drag.setPixmap(pixmap)
>
> drag.setHotSpot(e.pos())
>
> if drag.exec_(QtCore.Qt.CopyAction & QtCore.Qt.MoveAction) ==
> QtCore.Qt.MoveAction:
>
> print 'moved'
>
> else:
>
> print 'copied'
>
>
>
> def mousePressEvent(self, e):
>
> QtGui.QPushButton.mousePressEvent(self, e)
>
> if e.button() == QtCore.Qt.LeftButton:
>
> print 'press'
>
>
>
>
>
>
>
> class Example(QtGui.QWidget):
>
> def __init__(self):
>
> super(Example, self).__init__()
>
> self.initUI()
>
>
>
>
>
> def initUI(self):
>
> self.setAcceptDrops(True)
>
>
>
> button = Button('Button', self)
>
> button1 = Button('Button1', self)
>
> button.move(100, 65)
>
> button1.move(200, 65)
>
>
>
> self.buttons = [button]
>
>
>
> self.setWindowTitle('Copy or Move')
>
> self.setGeometry(300, 300, 280, 150)
>
>
>
>
>
> def dragEnterEvent(self, e):
>
> e.accept()
>
>
>
>
>
> def dropEvent(self, e):
>
> mime = e.mimeData().text()
>
> x, y = map(int, mime.split(','))
>
>
>
> if e.keyboardModifiers() & QtCore.Qt.ShiftModifier:
>
> button = Button('Button', self)
>
> button1 = Button('Button1', self)
>
> button.move(e.pos()-QtCore.QPoint(x, y))
>
> button1.move(e.pos()-QtCore.QPoint(x, y))
>
> button.show()
>
> button1.show()
>
> self.buttons.append(button)
>
> self.buttons.append(button1)
>
> e.setDropAction(QtCore.Qt.CopyAction)
>
> else:
>
> e.source().move(e.pos()-QtCore.QPoint(x, y))
>
> e.setDropAction(QtCore.Qt.MoveAction)
>
> e.accept()
>
>
>
>
>
> if __name__ == '__main__':
>
> app = QtGui.QApplication(sys.argv)
>
> ex = Example()
>
> ex.show()
Change this line,
if drag.exec_(QtCore.Qt.CopyAction | QtCore.Qt.MoveAction) ==
QtCore.Qt.MoveAction:
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