eumandy/eugtk/examples/test56.ex

45 lines
1.1 KiB
Elixir
Raw Normal View History

2016-11-25 00:33:18 -07:00
------------------------------------------------------------------
--# GtkVolumeButton
------------------------------------------------------------------
include GtkEngine.e
constant docs = `
<b><u>GtkVolumeButton</u></b>
Pop-up slider to change sound volume. Shows a speaker icon
which varies its appearance corresponding to the volume setting.
This demo is <i>not</i> connected to the computer's sound system,
so will not actually change the volume.
`
constant win = create(GtkWindow,
"size=300x100,border_width=10,position=1,keep above=1,$destroy=Quit")
constant panel = create(GtkBox,"orientation=VERTICAL")
add(win,panel)
constant img = create(GtkImage,"thumbnails/emblem-sound.png")
add(panel,img)
constant lbl = create(GtkLabel,{
{"markup",docs}})
add(panel,lbl)
constant btnbox = create(GtkButtonBox)
add(panel,btnbox)
constant btn = create(GtkVolumeButton,"size=6,value=.5,$value-changed=Update")
add(btnbox,btn)
show_all(win)
main()
------------------------------------------------
global function Update()
------------------------------------------------
printf(1,"%2.2f\n",get(btn,"value"))
return 1
end function