def mouseReleaseEvent(self, event):
""" Stop mouse pan or zoom mode (apply zoom if valid).
"""
QGraphicsView.mouseReleaseEvent(self, event)
scenePos = self.mapToScene(event.pos())
if event.button() == Qt.LeftButton:
self.setDragMode(QGraphicsView.NoDrag)
self.leftMouseButtonReleased.emit(scenePos.x(), scenePos.y())
def mouseReleaseEvent(self, mouse_event): # QMouseEvent QGraphicsView.mouseReleaseEvent(self, mouse_event) if mouse_event.button() == Qt.LeftButton: self.setDragMode(QGraphicsView.NoDrag) elif mouse_event.button() == Qt.RightButton: self.setDragMode(QGraphicsView.NoDrag) now = time.time() delta = now - self.last_release_time self.last_release_time = now if delta < 0.3: # fast double click self.resetTransform() # Reset to original size (reset scale matrix) return # Maybe a selection selection = self.scene.selectionArea().boundingRect() self.scene.setSelectionArea(QPainterPath()) if selection.isValid(): self.fitInView(selection, Qt.KeepAspectRatio)
def mouseReleaseEvent(self, event):
# there might be a proxy widget meant to receive the event instead of the flow
QGraphicsView.mouseReleaseEvent(self, event)
if self.ignore_mouse_event or \
(event.button() == Qt.LeftButton and not self.left_mouse_pressed_in_flow):
self.ignore_mouse_event = False
return
elif event.button() == Qt.MidButton:
self.panning = False
# connection dropped over specific gate
if self.dragging_connection and self.itemAt(event.pos()) and \
find_type_in_object(self.itemAt(event.pos()), PortInstanceGate):
self.connect_gates__cmd(self.gate_selected,
self.itemAt(event.pos()))
# connection dropped over NodeInstance - auto connect
elif self.dragging_connection and find_type_in_objects(
self.items(event.pos()), NodeInstance):
# find node instance
ni_under_drop = None
for item in self.items(event.pos()):
if find_type_in_object(item, NodeInstance):
ni_under_drop = item
break
# connect
self.try_conn_gate_and_ni(self.gate_selected, ni_under_drop)
# connection dropped somewhere else - show node choice widget
elif self.dragging_connection:
self.auto_connection_gate = self.gate_selected
self.show_node_choice_widget(event.pos())
self.left_mouse_pressed_in_flow = False
self.dragging_connection = False
self.gate_selected = None
self.viewport().repaint()
def mouseReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
self.mouse_pressed = False
QGraphicsView.mouseReleaseEvent(self, event)
