C++学习（三二一）GUIEventAdapter::MOVE与GUIEventAdapter::DRAG区别

Posted 2021-08-24 hankern

MOVE没有鼠标左键按下移动，DRAG鼠标左键按下移动

osgGA/GUIEventAdapter
class OSGGA_EXPORT GUIEventAdapter : public Event
{
        enum EventType {
            NONE                = 0,
            PUSH                = 1<<0,
            RELEASE             = 1<<1,
            DOUBLECLICK         = 1<<2,
            DRAG                = 1<<3,
            MOVE                = 1<<4,
            KEYDOWN             = 1<<5,
            KEYUP               = 1<<6,
            FRAME               = 1<<7,
            RESIZE              = 1<<8,
            SCROLL              = 1<<9,
            PEN_PRESSURE        = 1<<10,
            PEN_ORIENTATION     = 1<<11,
            PEN_PROXIMITY_ENTER = 1<<12,
            PEN_PROXIMITY_LEAVE = 1<<13,
            CLOSE_WINDOW        = 1<<14,
            QUIT_APPLICATION    = 1<<15,
            USER                = 1<<16
        };
}