Tree:onHover(x, y, buttons) event


This event is fired when the user moves the mouse pointer over the Tree.

Parameters

x

The horizontal position of the mouse in the Tree area (zero means the left border of the widget).

y

The vertical position of the mouse in the Tree area (zero means the top border of the widget).

buttons

A table which fields indicates if mouse buttons or special keys have been pressed during the move :

  • "left": true if left mouse button is pressed, false otherwise
  • "right": true if right mouse button is pressed, false otherwise
  • "middle": true if middle mouse button is pressed, false otherwise
  • "control": true if the CONTROL key is pressed, false otherwise
  • "shift": true if the SHIFT mouse button is pressed, false otherwise

Return value

The event returns no value.

Example

local ui = require "ui" -- creates a simple window local win = ui.Window("Tree:onLeave() event sample", 320, 200) local tree = ui.Tree(win, {"TreeItem 1", "TreeItem 2", "TreeItem 3"}, 100, 10) -- Tree:onHover event function tree:onHover() win:status("You are hovering the Tree Widget") end -- Tree:onLeave event function tree:onLeave() win:status("The Tree Widget is no longer hovered") end win:status("") ui.run(win):wait()