鼠标事件接口。
actionKey | 如果按下了特定于平台的操作键,则返回 true。此键在 macOS 上是 Cmd,在所有其他平台上是 Ctrl。 |
altKey | 如果按下 Alt 键,则返回 true。 |
button | 用于指示所按下鼠标键的整数:0 表示左键,1 表示右键,2 表示中键。 |
clickCount | 按下按键的次数。 |
commandKey | 如果按下 Windows/Command 键,则返回 true。 |
ctrlKey | 如果按下 Ctrl 键,则返回 true。 |
localMousePosition | 当前目标坐标系中的鼠标位置。 |
modifiers | 标志集,用于保存所按修改键(Alt、Ctrl、Shift、Windows/Command)。 |
mouseDelta | 上次鼠标事件与这次鼠标事件之间的鼠标位置差别。 |
mousePosition | 面板坐标系中的鼠标位置。 |
pressedButtons | 用于描述当前已按键的位掩码。 |
shiftKey | 如果按下 Shift 键,则返回 true。 |
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