An excellent and welcome addition! On Fri, Dec 31, 2010 at 6:00 PM, Thomas Paviot <tpav...@gmail.com> wrote:
> Hi Goran, > > Thanks for this insightful post. > > I committed changes so that multi selection is possible ( > http://code.google.com/p/pythonocc/source/detail?r=1116) and the zoom area > (Shift+RMB)/multiselection(Shift+LMB) with qt backend ( > http://code.google.com/p/pythonocc/source/detail?r=1117) (note that I > moved the drawing stuff to the paintEvent method of the QtWidget class). > > I don't manage to get the rectangle displayed while moving the mouse > pointer (although zoom and multi selection are ok). Is it a MacOS specific > bug or is it the same for you under Debian? > > Thomas > > 2010/12/30 Goran Lukic <goranl...@gmail.com> > > Hello Community, >> >> I try to implement Zoom Window and Select Area using Mouse+SHIFT but this >> code from >> class qtviewer3d doesn't work for me. >> >> So, I changed the following code: >> # Draw rect >> def DrawBox( self , event): >> tolerance = 2 >> pt = point( event.pos() ) >> dx = pt.x - self.dragStartPos.x >> dy = pt.y - self.dragStartPos.y >> if abs( dx ) <= tolerance and abs( dy ) <= tolerance: >> return >> >> painter = QtGui.QPainter() >> painter.begin(self) >> painter.setPen(QtGui.QPen(QtGui.QColor(255,255,255), 1, >> QtCore.Qt.DotLine, QtCore.Qt.RoundCap, >> QtCore.Qt.RoundJoin)) >> rect = QtCore.QRect(self.dragStartPos.x, self.dragStartPos.y, dx, >> dy ) >> self._drawbox = [self.dragStartPos.x, self.dragStartPos.y , dx, dy] >> painter.drawRect( rect ) >> self.repaint() >> painter.end() >> >> # and mouse release event >> def mouseReleaseEvent( self, event ): >> self.setCursor( self.crossNormalBitmapCursor ) >> pt = point(event.pos()) >> #print 'mouse release event' >> if event.button() == QtCore.Qt.LeftButton: >> pt = point(event.pos()) >> self.repaint() >> if self._select_area: >> [Xmin, Ymin, dx, dy] = self._drawbox >> selected_shapes = >> self._display.Select(Xmin,Ymin,Xmin+dx,Ymin+dy) >> self._select_area = False >> >> elif self._display.Select(pt.x,pt.y): >> selected_shape = self._display.GetSelectedShape() >> print selected_shape,selected_shape.ShapeType() >> >> # This part comes here !!! >> elif event.button() == QtCore.Qt.RightButton: >> if self._zoom_area: >> [Xmin, Ymin, dx, dy] = self._drawbox >> self._display.ZoomArea(Xmin, Ymin, Xmin+dx, Ymin+dy) >> self._zoom_area = False >> >> # and I set following Attribute >> #self.setAttribute(QtCore.Qt.WA_PaintOutsidePaintEvent) >> class qtViewer3d( qtBaseViewer ): >> def __init__( self, *kargs ): >> qtBaseViewer.__init__( self, *kargs ) >> self._drawbox = False >> self._zoom_area = False >> self._select_area = False >> self._inited = False >> self._leftisdown = False >> self._middleisdown = False >> self._rightisdown = False >> self._selection = None >> self._drawtext = True >> # Very Important >> self.setAttribute(QtCore.Qt.WA_PaintOutsidePaintEvent) >> >> >> So, for now it works Zoom Window if I use RMB+SHIFT, >> but Select Area (LMB+SHIFT) still not working. >> >> hier is output from console: >> Traceback (most recent call last): >> File "", line 656, in mouseReleaseEvent >> selected_shapes = self._display.Select(Xmin,Ymin,Xmin+dx,Ymin+dy) >> TypeError: Select() takes exactly 3 arguments (5 given) >> Traceback (most recent call last): >> File " ", line 655, in mouseReleaseEvent >> [Xmin, Ymin, dx, dy] = self._drawbox >> TypeError: 'bool' object is not iterable >> >> I do not know how to fix this error. >> >> I am using Debian GNU/Linux "squeeze". >> >> _______________________________________________ >> Pythonocc-users mailing list >> Pythonocc-users@gna.org >> https://mail.gna.org/listinfo/pythonocc-users >> > > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users > >
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