diff options
| -rw-r--r-- | src/main/python/utils/graphics.py | 51 |
1 files changed, 49 insertions, 2 deletions
diff --git a/src/main/python/utils/graphics.py b/src/main/python/utils/graphics.py index 80eb5e7..a33ecc0 100644 --- a/src/main/python/utils/graphics.py +++ b/src/main/python/utils/graphics.py @@ -1,4 +1,6 @@ +from PyQt5.QtCore import Qt, QRectF, QPointF from PyQt5.QtCore import Qt, QPointF, pyqtSignal +from PyQt5.QtWidgets import QGraphicsScene, QApplication from PyQt5.QtGui import QPen, QKeySequence, QTransform, QCursor from PyQt5.QtWidgets import QGraphicsView, QGraphicsScene, QGraphicsProxyWidget, QGraphicsItem, QUndoStack, QAction, QUndoView @@ -124,8 +126,53 @@ class CustomScene(QGraphicsScene): def addItemPlus(self, item): # extended add item method, so that a corresponding undo action is also pushed self.undoStack.push(addCommand(item, self)) - + def mousePressEvent(self, event): + bdsp = event.buttonDownScenePos(Qt.LeftButton) # Get click position + point = QPointF(bdsp.x(), bdsp.y()) # Create a QPointF from click position + itemList = self.items(point) # Get items at the specified point + if itemList: + item = itemList[0] # Select the first item in the list + if event.button() == Qt.LeftButton: + modifiers = QApplication.keyboardModifiers() + if modifiers == Qt.ControlModifier: + # Ctrl key is pressed, add item to the moving items list + if item not in self.movingItems: + self.movingItems.append(item) + self.oldPositions[item] = item.pos() + else: + # Ctrl key is not pressed, clear the moving items list and selection + self.movingItems.clear() + self.clearSelection() + item.setSelected(True) + + return super(CustomScene, self).mousePressEvent(event) + + def mouseReleaseEvent(self, event): + if event.button() == Qt.LeftButton: + for item in self.movingItems: + if self.oldPositions[item] != item.pos(): + # Item position has changed, emit itemMoved signal + self.itemMoved.emit(item, self.oldPositions[item]) + self.movingItems.clear() # Clear the moving items list + self.oldPositions.clear() # Clear the old positions dictionary + + return super(CustomScene, self).mouseReleaseEvent(event) + + def mouseMoveEvent(self, mouseEvent): + if self.movingItems: + # Move all selected items together + for item in self.movingItems: + newPos = item.pos() + mouseEvent.scenePos() - mouseEvent.lastScenePos() + item.setPos(newPos) + + item = self.itemAt(mouseEvent.scenePos().x(), mouseEvent.scenePos().y(), QTransform()) + if isinstance(item, shapes.SizeGripItem): + item.parentItem().showLineGripItem() + + return super(CustomScene, self).mouseMoveEvent(mouseEvent) + + """def mousePressEvent(self, event): # overloaded mouse press event to check if an item was moved bdsp = event.buttonDownScenePos(Qt.LeftButton) #get click pos point = QPointF(bdsp.x(), bdsp.y()) #create a Qpoint from click pos @@ -150,7 +197,7 @@ class CustomScene(QGraphicsScene): QTransform()) if isinstance(item,shapes.SizeGripItem): item.parentItem().showLineGripItem() - super(CustomScene,self).mouseMoveEvent(mouseEvent) + super(CustomScene,self).mouseMoveEvent(mouseEvent)""" def reInsertLines(self): currentIndex = self.undoStack.index() |