Picture:onHover(x, y) event
This event is fired when the user moves the mouse pointer over the Picture.
Parameters
x
The horizontal position of the mouse in the Picture area (zero means the left border of the widget).
y
The vertical position of the mouse in the Picture area (zero means the top border of the widget).
Return value
The event returns no value.Example
local ui = require "ui"
-- create a simple window
local win = ui.Window("Picture:onHover() sample", 340, 200)
local picture = ui.Picture(win, "examples/LuaRT.png", -74)
local factor = 1
local delta = 0
function picture:onHover()
delta = -0.01
factor = factor - 0.01
end
function picture:onLeave()
delta = 0.01
factor = factor + 0.01
end
win:show()
repeat
ui.update()
if factor > 0 and factor < 1 then
factor = factor + delta
picture:resize(factor)
picture:center()
end
until win.visible == false