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List: pykde
Subject: Re: [PyQt] Pyqt, repainting on a customize widget.
From: Entity Reborn <entityreborn () gmail ! com>
Date: 2011-03-26 18:44:46
Message-ID: 1628072433242001343 () unknownmsgid
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You need to import QtCore. Also, it's QApplication, not Qapplication.
On Mar 26, 2011, at 11:41 AM, jp984 <jp984@costarricense.cr> wrote:
>
> this is what i get when i try:
> QtCore.Qapplication.ProcessEvents()
> global name 'QtCore' is not defined
>
>
> jp984 wrote:
> >
> > Hello there.
> >
> > Im learning pyqt using "rapid gui programing with pyqt" book, Im making a
> > change on the chapter's 11 exercise solution given by the book. I want the
> > widget to change the focus on each rectangle automatically every half of a
> > second. So i replace the mouse and key event handlers for a method to do
> > the work.
> >
> > It looks .update() method doest work properly,the widget shows the widget
> > at the initial state and then it isn't updated can any of you guys give
> > me a hint:
> >
> > The move method does change the focus on each rectangle (x,y)the grid.
> >
> > this is the code:
> >
> >
> > class CountersWidget(QWidget):
> >
> > def __init__(self, parent=None):
> > super(CountersWidget, self).__init__(parent)
> > self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding,
> > QSizePolicy.Expanding))
> > self.grid = [[BLANK] * 3 for i in range(3)]
> > self.selected = [0, 0]
> > self.setMinimumSize(self.minimumSizeHint())
> >
> >
> > def sizeHint(self):
> > return QSize(200, 200)
> >
> >
> > def minimumSizeHint(self):
> > return QSize(100, 100)
> >
> > def move(self):
> > if self.selected[0] == 2:
> > self.selected=([0,self.selected[1]+1] if not
> > self.selected[1]==2
> > else [0,0])
> > else:
> > self.selected = [self.selected[0]+1, self.selected[1]]
> > x, y = self.selected
> > cell= self.grid[x][y]
> > print (self.selected)
> > self.grid[x][y]=cell
> > self.update()
> > self.emit(SIGNAL("movido"))
> >
> > def delay(self):
> > time.sleep(0.5)
> > self.emit(SIGNAL("delay"))
> >
> >
> > def paintEvent(self, event=None):
> > painter = QPainter(self)
> > painter.setRenderHint(QPainter.Antialiasing, True)
> > xOffset = self.width() / 3
> > yOffset = self.height() / 3
> > for x in range(3):
> > for y in range(3):
> > cell = self.grid[x][y]
> > rect = (QRectF(x * xOffset, y * yOffset,
> > xOffset, yOffset).adjusted(0.5, 0.5, -0.5, -0.5))
> > color = None
> >
> > if [x, y] == self.selected:
> > painter.setPen(QPen(Qt.blue, 3))
> > else:
> > painter.setPen(Qt.black)
> > painter.drawRect(rect)
> > QTimer.singleShot(0,self.delay)
> >
> > if __name__ == "__main__":
> > import sys
> > app = QApplication(sys.argv)
> > form = CountersWidget()
> > form.setWindowTitle("Counters")
> > form.show()
> > app.exec_()
> >
> >
> >
>
> --
> View this message in context: \
> http://old.nabble.com/Pyqt%2C-repainting-on-a-customize-widget.-tp31140528p31246967.html
> Sent from the PyQt mailing list archive at Nabble.com.
>
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