Sha256: da2164ed03c2860ca8cd9ae8b80058cf424367b27fd34a97e413e10767619f4a
Contents?: true
Size: 882 Bytes
Versions: 43
Compression:
Stored size: 882 Bytes
Contents
def scroll_effect(target, options={})
proc_name = options[:proc_name] || "scroll-effect"
target.delete_post_draw_proc_by_name(proc_name)
return if options[:uninstall]
idle_id = nil
effected = false
slided_x = nil
target.add_around_draw_proc(proc_name) do |canvas, x, y, w, h, simulation,
next_proc|
canvas.save_context do
if !simulation and !effected
slided_x ||= w
slided_x = [slided_x - (w / 10), 0].max
canvas.translate_context(slided_x, 0)
idle_id ||= Gtk.idle_add do
continue = !slided_x.zero?
unless continue
idle_id = nil
slided_x = nil
effected = true
end
canvas.activate("Redraw")
continue
end
end
next_proc.call(canvas, x, y, w, h, simulation)
end
end
end
Version data entries
43 entries across 43 versions & 1 rubygems