Qt忽略QItemSelectionModel中的右键单击
是否仍然可以检测QItemSelectionModel中单击的鼠标按钮 我想阻止鼠标右键单击以更改选择 我使用的是QTreeWidget,所以如果有一种方法可以屏蔽整个内容,那就太好了,但是右键单击仍然用于上下文菜单,所以我没有继续这种思路 仍然在尝试。。。我偶然发现了这一点,但我无法运行该函数: 这意味着一个简单的覆盖,但这在Python中不起作用Qt忽略QItemSelectionModel中的右键单击,qt,mouseevent,qtreeview,qtreewidget,selectionmodel,Qt,Mouseevent,Qtreeview,Qtreewidget,Selectionmodel,是否仍然可以检测QItemSelectionModel中单击的鼠标按钮 我想阻止鼠标右键单击以更改选择 我使用的是QTreeWidget,所以如果有一种方法可以屏蔽整个内容,那就太好了,但是右键单击仍然用于上下文菜单,所以我没有继续这种思路 仍然在尝试。。。我偶然发现了这一点,但我无法运行该函数: 这意味着一个简单的覆盖,但这在Python中不起作用 def mousePressEvent(self, mouse_event): super(MyTreeWidget, self).mou
def mousePressEvent(self, mouse_event):
super(MyTreeWidget, self).mousePressEvent(mouse_event)
print "here %s" % event.type()
这感觉像是另一种解决方法,但我已经成功了。在本例中,SelectionModel也是一个事件过滤器,用于从QTreeWidget的viewport()获取鼠标单击事件 另见:
from PyQt4.QtGui import QItemSelectionModel
from PyQt4.QtCore import QEvent
from PyQt4.QtCore import Qt
# In the widget class ('tree' is the QTreeWidget)...
# In __init___ ...
self.selection_model = CustomSelectionModel(self.tree.model())
self.tree.viewport().installEventFilter(self.selection_model)
# In the selection model...
class CustomSelectionModel(QItemSelectionModel):
def __init__(self, model):
super(CustomSelectionModel, self).__init__(model)
self.is_rmb_pressed = False
def eventFilter(self, event):
if event.type() == QEvent.MouseButtonRelease:
self.is_rmb_pressed = False
elif event.type() == QEvent.MouseButtonPress:
if event.button() == Qt.RightButton:
self.is_rmb_pressed = True
else:
self.is_rmb_pressed = False
def select(self, selection, selectionFlags):
# Do nothing if the right mouse button is pressed
if self.is_rmb_pressed:
return
# Fall through. Select as normal
super(CustomSelectionModel, self).select(selection, selectionFlags)