如果能结合鼠标左键拖拽就更完美了。

Doesn't work with touch screens. Even with a mouse you still need to click first.

I tried 7-8 other addons but only this works in Xubuntu OS.

Very good WebExtensions replacement for FireGestures add-on. It does same things and some more (i.e. more Chords gestures).

best reactions addon for mouse gestures