def dropEvent(self, event):
"""
Protected method to handle drop events.
@param event reference to the drop event (QDropEvent)
"""
mimeData = event.mimeData()
oldID = long(mimeData.data("tabbar-id"))
fromIndex = mimeData.data("source-index").toInt()[0]
toIndex = self.tabAt(event.pos())
if oldID != id(self):
parentID = long(mimeData.data("tabwidget-id"))
if event.proposedAction() == Qt.MoveAction:
self.emit(SIGNAL("tabRelocateRequested(long, int, int)"),
parentID, fromIndex, toIndex)
event.acceptProposedAction()
elif event.proposedAction() == Qt.CopyAction:
self.emit(SIGNAL("tabCopyRequested(long, int, int)"),
parentID, fromIndex, toIndex)
event.acceptProposedAction()
else:
if fromIndex != toIndex:
if event.proposedAction() == Qt.MoveAction:
self.emit(SIGNAL("tabMoveRequested(int, int)"), fromIndex, toIndex)
event.acceptProposedAction()
elif event.proposedAction() == Qt.CopyAction:
self.emit(SIGNAL("tabCopyRequested(int, int)"), fromIndex, toIndex)
event.acceptProposedAction()
E4WheelTabBar.dropEvent(self, event)
def mousePressEvent(self, event):
"""
Protected method to handle mouse press events.
@param event reference to the mouse press event (QMouseEvent)
"""
if event.button() == Qt.LeftButton:
self.__dragStartPos = QPoint(event.pos())
E4WheelTabBar.mousePressEvent(self, event)
def __init__(self, parent = None):
"""
Constructor
@param parent reference to the parent widget (QWidget)
"""
E4WheelTabBar.__init__(self, parent)
self.setAcceptDrops(True)
self.__dragStartPos = QPoint()
def dragEnterEvent(self, event):
"""
Protected method to handle drag enter events.
@param event reference to the drag enter event (QDragEnterEvent)
"""
mimeData = event.mimeData()
formats = mimeData.formats()
if formats.contains("action") and \
mimeData.data("action") == "tab-reordering" and \
formats.contains("tabbar-id") and \
formats.contains("source-index") and \
formats.contains("tabwidget-id"):
event.acceptProposedAction()
E4WheelTabBar.dragEnterEvent(self, event)
def mouseMoveEvent(self, event):
"""
Protected method to handle mouse move events.
@param event reference to the mouse move event (QMouseEvent)
"""
if event.buttons() == Qt.MouseButtons(Qt.LeftButton) and \
(event.pos() - self.__dragStartPos).manhattanLength() > \
QApplication.startDragDistance():
drag = QDrag(self)
mimeData = QMimeData()
index = self.tabAt(event.pos())
mimeData.setText(self.tabText(index))
mimeData.setData("action", "tab-reordering")
mimeData.setData("tabbar-id", str(id(self)))
mimeData.setData("source-index",
QByteArray.number(self.tabAt(self.__dragStartPos)))
mimeData.setData("tabwidget-id", str(id(self.parentWidget())))
drag.setMimeData(mimeData)
if event.modifiers() == Qt.KeyboardModifiers(Qt.ShiftModifier):
drag.exec_(Qt.DropActions(Qt.CopyAction))
elif event.modifiers() == Qt.KeyboardModifiers(Qt.NoModifier):
drag.exec_(Qt.DropActions(Qt.MoveAction))
E4WheelTabBar.mouseMoveEvent(self, event)
