def mouseReleaseEvent(self, ev):
point = self.mapToScene(ev.pos())
if self.widgetSelectionRect:
self.widgetSelectionRect.hide()
self.scene().removeItem(self.widgetSelectionRect)
self.widgetSelectionRect = None
# if we are moving a widget
if self.bWidgetDragging:
validPos = True
for item in self.getSelectedWidgets():
items = self.scene().collidingItems(item)
validPos = validPos and (self.findItemTypeCount(
items, orngCanvasItems.CanvasWidget) == 0)
for item in self.getSelectedWidgets():
if not validPos:
item.restorePosition()
item.updateTooltip()
item.setAllLinesFinished(True)
orngHistory.logChangeWidgetPosition(
self.doc.schemaID, id(item),
(item.widgetInfo.category, item.widgetInfo.name), item.x(),
item.y())
# if we are drawing line
elif self.tempLine:
# show again the empty input/output boxes
for widget in self.doc.widgets:
widget.resetLeftRightEdges()
start = self.tempLine.startWidget or self.tempLine.widget
end = self.tempLine.endWidget or self.tempLine.widget
self.tempLine.remove()
self.tempLine = None
# we must check if we have really connected some output to input
if start and end and start != end:
self.doc.addLine(start, end)
else:
state = [
self.doc.widgets[i].widgetInfo.name
for i in range(min(len(self.doc.widgets), 5))
]
predictedWidgets = orngHistory.predictWidgets(state, 20)
if start:
orngTabs.categoriesPopup.updatePredictedWidgets(
predictedWidgets, 'inputClasses',
start.widgetInfo.outputClasses)
orngTabs.categoriesPopup.updateWidgetsByInputs(
start.widgetInfo)
else:
orngTabs.categoriesPopup.updatePredictedWidgets(
predictedWidgets, 'outputClasses',
end.widgetInfo.inputClasses)
orngTabs.categoriesPopup.updateWidgesByOutputs(
end.widgetInfo)
newCoords = QPoint(ev.globalPos())
orngTabs.categoriesPopup.updateMenu()
action = orngTabs.categoriesPopup.exec_(
newCoords -
QPoint(0, orngTabs.categoriesPopup.categoriesYOffset))
if action and hasattr(action, "widgetInfo"):
xOff = -48 * bool(end)
newWidget = self.doc.addWidget(action.widgetInfo,
point.x() + xOff,
point.y() - 24)
if newWidget != None:
self.doc.addLine(start or newWidget, end or newWidget)
elif ev.button() == Qt.RightButton:
activeItem = self.scene().itemAt(point)
diff = self.mouseDownPosition - point
if not activeItem and (
diff.x()**2 + diff.y()**2
) < 25: # if no active widgets and we pressed and released mouse at approx same position
newCoords = QPoint(ev.globalPos())
orngTabs.categoriesPopup.showAllWidgets()
state = [
self.doc.widgets[i].widgetInfo.name
for i in range(min(len(self.doc.widgets), 5))
]
predictedWidgets = orngHistory.predictWidgets(state, 20)
orngTabs.categoriesPopup.updatePredictedWidgets(
predictedWidgets, 'inputClasses')
orngTabs.categoriesPopup.updateMenu()
height = sum([
orngTabs.categoriesPopup.actionGeometry(action).height()
for action in orngTabs.categoriesPopup.actions()
])
action = orngTabs.categoriesPopup.exec_(
newCoords -
QPoint(0, orngTabs.categoriesPopup.categoriesYOffset))
if action and hasattr(action, "widgetInfo"):
newWidget = self.doc.addWidget(action.widgetInfo,
point.x(), point.y())
self.scene().update()
self.bWidgetDragging = False
return QGraphicsView.mouseReleaseEvent(self, ev)
def mouseReleaseEvent(self, ev):
point = self.mapToScene(ev.pos())
if self.widgetSelectionRect:
self.widgetSelectionRect.hide()
self.scene().removeItem(self.widgetSelectionRect)
self.widgetSelectionRect = None
# if we are moving a widget
if self.bWidgetDragging:
validPos = True
for item in self.getSelectedWidgets():
items = self.scene().collidingItems(item)
validPos = validPos and (self.findItemTypeCount(items, orngCanvasItems.CanvasWidget) == 0)
for item in self.getSelectedWidgets():
if not validPos:
item.restorePosition()
item.updateTooltip()
item.setAllLinesFinished(True)
orngHistory.logChangeWidgetPosition(self.doc.schemaID, id(item), (item.widgetInfo.category, item.widgetInfo.name), item.x(), item.y())
# if we are drawing line
elif self.tempLine:
# show again the empty input/output boxes
for widget in self.doc.widgets:
widget.resetLeftRightEdges()
start = self.tempLine.startWidget or self.tempLine.widget
end = self.tempLine.endWidget or self.tempLine.widget
# self.tempLine.hide()
self.tempLine.remove()
self.tempLine = None
# we must check if we have really connected some output to input
if start and end and start != end:
if self.doc.signalManager.signalProcessingInProgress: # TODO: Remove this check when signal manager handles out of sync signals
QMessageBox.information( self, "Orange Canvas", "Unable to connect widgets while signal processing is in progress. Please wait.")
else:
self.doc.addLine(start, end)
else:
state = [self.doc.widgets[i].widgetInfo.name for i in range(min(len(self.doc.widgets), 5))]
predictedWidgets = orngHistory.predictWidgets(state, 20)
if start:
orngTabs.categoriesPopup.updatePredictedWidgets(predictedWidgets, 'inputClasses', start.widgetInfo.outputClasses)
orngTabs.categoriesPopup.updateWidgetsByInputs(start.widgetInfo)
else:
orngTabs.categoriesPopup.updatePredictedWidgets(predictedWidgets, 'outputClasses', end.widgetInfo.inputClasses)
orngTabs.categoriesPopup.updateWidgesByOutputs(end.widgetInfo)
newCoords = QPoint(ev.globalPos())
orngTabs.categoriesPopup.updateMenu()
action = orngTabs.categoriesPopup.exec_(newCoords- QPoint(0, orngTabs.categoriesPopup.categoriesYOffset))
if action and hasattr(action, "widgetInfo"):
xOff = -48 * bool(end)
newWidget = self.doc.addWidget(action.widgetInfo, point.x()+xOff, point.y()-24)
if newWidget != None:
if self.doc.signalManager.signalProcessingInProgress:
QMessageBox.information( self, "Orange Canvas", "Unable to connect widgets while signal processing is in progress. Please wait.")
else:
self.doc.addLine(start or newWidget, end or newWidget)
elif ev.button() == Qt.RightButton:
activeItem = self.scene().itemAt(point)
diff = self.mouseDownPosition - point
if not activeItem and (diff.x()**2 + diff.y()**2) < 25: # if no active widgets and we pressed and released mouse at approx same position
newCoords = QPoint(ev.globalPos())
orngTabs.categoriesPopup.showAllWidgets()
state = [self.doc.widgets[i].widgetInfo.name for i in range(min(len(self.doc.widgets), 5))]
predictedWidgets = orngHistory.predictWidgets(state, 20)
orngTabs.categoriesPopup.updatePredictedWidgets(predictedWidgets, 'inputClasses')
orngTabs.categoriesPopup.updateMenu()
height = sum([orngTabs.categoriesPopup.actionGeometry(action).height() for action in orngTabs.categoriesPopup.actions()])
action = orngTabs.categoriesPopup.exec_(newCoords - QPoint(0, orngTabs.categoriesPopup.categoriesYOffset))
if action and hasattr(action, "widgetInfo"):
newWidget = self.doc.addWidget(action.widgetInfo, point.x(), point.y())
self.scene().update()
self.bWidgetDragging = False
# self.doc.canvasDlg.widgetPopup.setEnabled(len(self.getSelectedWidgets()) == 1)
return QGraphicsView.mouseReleaseEvent(self, ev)