Provides information about a mouse event. 更多...
导入语句: | import QtQuick 2.2 |
The position of the mouse can be found via the x and y properties. The button that caused the event is available via the button 特性。
另请参阅 MouseArea .
x : real |
y : real |
These properties hold the coordinates of the position supplied by the mouse event.
accepted : bool |
设置 accepted to true prevents the mouse event from being propagated to items below this item.
Generally, if the item acts on the mouse event then it should be accepted so that items lower in the stacking order do not also respond to the same event.
button : enumeration |
This property holds the button that caused the event. It can be one of:
buttons : int |
This property holds the mouse buttons pressed when the event was generated. For mouse move events, this is all buttons that are pressed down. For mouse press and double click events this includes the button that caused the event. For mouse release events this excludes the button that caused the event.
It contains a bitwise combination of:
[since 5.11] flags : int |
This property holds the flags that provide additional information about the mouse event.
该特性在 Qt 5.11 引入。
modifiers : int |
This property holds the keyboard modifier flags that existed immediately before the event occurred.
It contains a bitwise combination of:
For example, to react to a Shift key + Left mouse button click:
MouseArea { onClicked: (mouse)=> { if ((mouse.button == Qt.LeftButton) && (mouse.modifiers & Qt.ShiftModifier)) doSomething(); } }
wasHeld : bool |
This property is true if the mouse button has been held pressed longer than the threshold (800ms).