def mousePressEvent( self, event ):
# handle an internal move
# start a drag event
if event.button() == Qt.LeftButton and self.dragDropRect().contains(event.pos()):
# create the pixmap
pixmap = QPixmap.grabWidget(self, self.rect())
# create the mimedata
mimeData = QMimeData()
mimeData.setText('ItemTitle::%s' % (self.title()))
# create the drag
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(event.pos())
if not drag.exec_():
self._accordianWidget.emitItemDragFailed(self)
event.accept()
# determine if the expand/collapse should occur
elif event.button() == Qt.LeftButton and self.expandCollapseRect().contains(event.pos()):
self._clicked = True
event.accept()
else:
event.ignore()
def _drag_pixmap(self, item, items):
"""
Internal function that shows the pixmap for the given item during drag operation
:param item: LibraryItem
:param items: list(LibraryItem)
:return: QPixmap
"""
rect = self.visualRect(self.index_from_item(item))
pixmap = QPixmap()
pixmap = pixmap.grabWidget(self, rect)
if len(items) > 1:
custom_width = 35
custom_padding = 5
custom_text = str(len(items))
custom_x = pixmap.rect().center().x() - float(custom_width * 0.5)
custom_y = pixmap.rect().top() + custom_padding
custom_rect = QRect(custom_x, custom_y, custom_width, custom_width)
painter = QPainter(pixmap)
painter.setRenderHint(QPainter.Antialiasing)
painter.setPen(Qt.NoPen)
painter.setBrush(self.viewer().background_selected_color())
painter.drawEllipse(custom_rect.center(),
float(custom_width * 0.5),
float(custom_width * 0.5))
font = QFont('Serif', 12, QFont.Light)
painter.setFont(font)
painter.setPen(self.viewer().text_selected_color())
painter.drawText(custom_rect, Qt.AlignCenter, str(custom_text))
return pixmap
def mousePressEvent(self, event):
"""
Override the behaviour when the mouse is pressed
"""
self._drag_initiated = False
self._drag_dropped_pos = QPoint()
if event.button() == Qt.LeftButton and event.modifiers(
) == Qt.ControlModifier:
self._drag_start_pos = event.pos()
# Get mouse position and store the area rectangle of the selected tab
pos = event.pos()
self._select_tab_index = self.tabAt(pos)
rect = self.tabRect(self._select_tab_index)
# Store a pixmap of the selected tab and a pixmap of the close hand cursor image
# After that we draw the tab and also the hand cursor in the middle of the tab
pixmap = QPixmap.grabWidget(self, rect)
painter = QPainter(pixmap)
cursor_pm = QPixmap(':/icons/close_hand_cursor.png')
cursor_pos = QPoint(*map(lambda x, y: (x - y) * 0.5,
rect.size().toTuple(),
cursor_pm.size().toTuple()))
painter.drawPixmap(cursor_pos, cursor_pm)
painter.end()
# Update cursor
cursor = QCursor(pixmap)
self.setCursor(cursor)
super(TearOffTabBar, self).mousePressEvent(event)
def mouseMoveEvent(self, event):
"""
Override the behaviour when the mouse is moved
Doing this we avoid that the tab is moved when tearing off the tab
"""
if self._select_tab_index < -1:
pass
else:
if event.modifiers() == Qt.ControlModifier:
self.setCursor(Qt.OpenHandCursor)
else:
self.setCursor(Qt.ArrowCursor)
if not event.buttons() == Qt.LeftButton:
return
if not self._drag_start_pos.isNull() and (
event.pos() - self._drag_start_pos
).manhattanLength() < QApplication.startDragDistance():
self._drag_initiated = True
if (event.buttons() == Qt.LeftButton
) and self._drag_initiated and not self.geometry().contains(
event.pos()):
finish_move_event = QMouseEvent(QEvent.MouseMove, event.pos(),
Qt.NoButton, Qt.NoButton,
Qt.NoModifier)
super(TearOffTabBar, self).mouseMoveEvent(finish_move_event)
drag = QDrag(self)
mime_data = QMimeData()
mime_data.setData('action', 'application/tab-detach')
drag.setMimeData(mime_data)
rect = self.tabRect(self.tabAt(event.pos()))
pixmap_big = QPixmap.grabWidget(
self.parentWidget().currentWidget()).scaled(
640, 480, Qt.KeepAspectRatio)
drag.setPixmap(pixmap_big)
drag.setDragCursor(QPixmap(), Qt.LinkAction)
dragged = drag.exec_(Qt.MoveAction)
if dragged == Qt.IgnoreAction:
# moved outside of tab widget
event.accept()
self.tabDetached.emit(self.tabAt(self._drag_start_pos),
QCursor.pos())
elif dragged == Qt.MoveAction:
# moved inside of tab widget
if not self._drag_dropped_pos.isNull():
event.accept()
self.tabMoved.emit(self.tabAt(self._drag_start_pos),
self.tabAt(self._drag_dropped_pos))
self._drag_dropped_pos = QPoint()
else:
super(TearOffTabBar, self).mouseMoveEvent(event)
def mousePressEvent(self, event):
if self.dragDropMode() and event.button() == Qt.LeftButton and self.dragDropRect().contains(event.pos()):
pixmap = QPixmap.grabWidget(self, self.rect())
mimeData = QMimeData()
mimeData.setText('ItemTitle::%s' % self.title())
drag = QDrag(self)
drag.setMimeData(mimeData)
drag.setPixmap(pixmap)
drag.setHotSpot(event.pos())
if not drag.exec_():
self._expanderWidget.emitItemDragFailed(self)
event.accept()
elif event.button() == Qt.LeftButton and self.expandCollapseRect().contains(event.pos()):
self._clicked = True
event.accept()
else:
event.ignore()
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton and self.get_drag_drop_rect().contains(event.pos()):
pixmap = QPixmap.grabWidget(self, self.rect())
mime_data = QMimeData()
mime_data.setText('ItemTitle::{}'.format(self.title()))
drag = QDrag(self)
drag.setMimeData(mime_data)
drag.setPixmap(pixmap)
drag.setHotSpot(event.pos())
if not drag.exec_():
self._accordion_widget.emit_item_drag_failed(self)
event.accept()
# Check if the expand/collapse should happen
elif event.button() == Qt.LeftButton and self.expand_collapse_rect().contains(event.pos()):
self._clicked = True
event.accept()
else:
event.ignore()
