def itemChange(self, change,value):
"""
Enforce that the hadle stays in the region of the scene
"""
if change==QGraphicsRectItem.ItemPositionChange:
newPos=value.toPointF() #new position in rectangle coordinates
nPosScene=self.parentItem().mapToScene(newPos)
rect=self.parentItem().scene().sceneRect()
if not rect.contains(nPosScene):
nPosScene.setX(min(rect.right(), max(nPosScene.x(),rect.left())))
nPosScene.setY(min(rect.bottom(), max(nPosScene.y(), rect.top())))
return self.parentItem().mapFromScene(nPosScene)
return QGraphicsRectItem.itemChange(self, change,value)
def itemChange(self, change, value):
"""
Enforce that the hadle stays in the region of the scene
"""
if change == QGraphicsRectItem.ItemPositionChange:
newPos = value.toPointF() #new position in rectangle coordinates
nPosScene = self.parentItem().mapToScene(newPos)
rect = self.parentItem().scene().sceneRect()
if not rect.contains(nPosScene):
nPosScene.setX(
min(rect.right(), max(nPosScene.x(), rect.left())))
nPosScene.setY(
min(rect.bottom(), max(nPosScene.y(), rect.top())))
return self.parentItem().mapFromScene(nPosScene)
return QGraphicsRectItem.itemChange(self, change, value)
def itemChange(self, change,value):
if change==QGraphicsRectItem.ItemPositionChange:
newPos=value.toPointF()
rect = self.scene().sceneRect()
# if not rect.contains(newPos):
# newPos.setX(min(rect.right(), max(newPos.x(), rect.left())))
# newPos.setY(min(rect.bottom(), max(newPos.y(), rect.top())))
# return newPos
#
#if not rect.contains(newPos2):
# newPos.setX(min(rect.right()-self.width, max(newPos.x()-self.width, rect.left())));
# newPos.setY(min(rect.bottom()-self.height, max(newPos.y()-self.height, rect.top())));
# return newPos
if not rect.contains(value.toRectF()) :
newPos.setX(min(rect.right()-self.width, max(newPos.x(), rect.left())));
newPos.setY(min(rect.bottom()-self.height, max(newPos.y(), rect.top())));
return newPos
return QGraphicsRectItem.itemChange(self, change,value)
def itemChange(self, change, value):
if change == QGraphicsRectItem.ItemPositionChange:
newPos = value.toPointF() #new position in scene coordinates
rect = self.scene().sceneRect()
topLeftRectCoords = self.rect().topLeft()
bottomRightRectCoords = self.rect().bottomRight()
ntl = topLeftRectCoords + newPos
nbr = bottomRightRectCoords + newPos
if not rect.contains(ntl) or not rect.contains(nbr):
ntl.setX(
min(rect.right() - self.rect().width(),
max(ntl.x(), rect.left())))
ntl.setY(
min(rect.bottom() - self.rect().height(),
max(ntl.y(), rect.top())))
return ntl - topLeftRectCoords
return QGraphicsRectItem.itemChange(self, change, value)
def itemChange(self, change,value):
if change==QGraphicsRectItem.ItemPositionChange:
newPos=value.toPointF() #new position in scene coordinates
rect=self.scene().sceneRect()
topLeftRectCoords=self.rect().topLeft()
bottomRightRectCoords=self.rect().bottomRight()
ntl=topLeftRectCoords+newPos
nbr=bottomRightRectCoords+newPos
if not rect.contains(ntl) or not rect.contains(nbr):
ntl.setX(min(rect.right()-self.rect().width(), max(ntl.x(),rect.left())))
ntl.setY(min(rect.bottom()-self.rect().height(), max(ntl.y(), rect.top())));
return ntl-topLeftRectCoords
return QGraphicsRectItem.itemChange(self, change,value)
def itemChange(self, change, value):
if change == QGraphicsRectItem.ItemPositionChange:
newPos = value.toPointF()
rect = self.scene().sceneRect()
# if not rect.contains(newPos):
# newPos.setX(min(rect.right(), max(newPos.x(), rect.left())))
# newPos.setY(min(rect.bottom(), max(newPos.y(), rect.top())))
# return newPos
#
#if not rect.contains(newPos2):
# newPos.setX(min(rect.right()-self.width, max(newPos.x()-self.width, rect.left())));
# newPos.setY(min(rect.bottom()-self.height, max(newPos.y()-self.height, rect.top())));
# return newPos
if not rect.contains(value.toRectF()):
newPos.setX(
min(rect.right() - self.width, max(newPos.x(),
rect.left())))
newPos.setY(
min(rect.bottom() - self.height,
max(newPos.y(), rect.top())))
return newPos
return QGraphicsRectItem.itemChange(self, change, value)
def itemChange(self, change, value):
#print '%s.itemChange' % (self.__class__.__name__), ' change: %d, value:' % change, value
valnew = QGraphicsRectItem.itemChange(self, change, value)
if change == self.ItemSelectedHasChanged:
self.set_control_points_visible(visible=self.isSelected())
return valnew
def itemChange(self, change, value):
# print change, value
return QGraphicsRectItem.itemChange(self, change, value)
