def mouseMoveEvent(self, e):
if self.leftMouseButtonPressed:
x_move = e.pos().x() - self.xOnWidget
y_move = e.pos().y() - self.yOnWidget
self.xAxis = self.x() + x_move
self.yAxis = self.y() + y_move
self.setPos( QPointF( self.xAxis, self.yAxis ) )
# xMin is left border (scene-coord = 0) an yMax is top border (scene-coord = 0)
min = self.mapToScene( CST.toCcsCoord( self, self.xMin, self.yMax ) )
max = self.mapToScene( CST.toCcsCoord( self, self.xMax, self.yMin ) )
if min.x() < 0:
self.xMin += 1
self.xMax += 1
if max.x() > self.width:
self.xMin -= 1
self.xMax -= 1
if min.y() < 0:
self.yMin -= 1
self.yMax -= 1
#~ print "bumm"
if max.y() > self.height:
self.yMin += 1
self.yMax += 1
# reset Rect to allow for infinite moves
self.Rect = QRectF(
self.xMin - self.xAxis - 100,
self.yMin - self.yAxis - 100,
self.width + 200,
self.height + 200
)
def paint(self, painter, option, widget=None):
ordinateColor = QPen( QColor(255, 0, 0 ) )
normalLineCol = QPen( QColor(0, 0, 255 ) )
for i in range ( self.xMin-1 , self.xMax+2 ):
if i == 0:
painter.setPen( ordinateColor )
else:
painter.setPen( normalLineCol )
#~ if i == 0:
painter.drawLine(
CST.toCcsCoord( self, i,self.yMin-1 ),
CST.toCcsCoord( self, i,self.yMax+1 )
)
tickCoord = CST.toCcsCoord(self, i, 0)
tickCoord += CST.toCcsCoord(self, self.tickXOffset, self.tickYOffset)
painter.drawText(
tickCoord,
QString.number(i)
)
for i in range (self.yMin-1, self.yMax+2):
#~ for i in self.yRange :
#~ print i
if i == 0:
painter.setPen(ordinateColor)
else:
painter.setPen(normalLineCol)
#~ if i == 0:
painter.drawLine(
CST.toCcsCoord( self, self.xMin-1,i ),
CST.toCcsCoord( self, self.xMax+1,i )
)
tickCoord = CST.toCcsCoord(self, 0,i)
tickCoord += CST.toCcsCoord(self, self.tickXOffset, self.tickYOffset)
painter.drawText(
tickCoord,
QString.number(i)
)