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Add blink effect

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This commit is contained in:
Henrique Santiago
2013-02-05 19:08:32 -02:00
parent 637b6ceca2
commit d4fb6127fc
4 changed files with 36 additions and 3 deletions
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4
modules/corelib/globals.lua
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@@ -25,8 +25,8 @@ function addEvent(callback, front)
return event
end
function cycleEvent(callback, front)
local event = g_dispatcher.cycleEvent(callback, front)
function cycleEvent(callback, interval)
local event = g_dispatcher.cycleEvent(callback, interval)
-- must hold a reference to the callback, otherwise it would be collected
event._callback = callback
return event

30
modules/corelib/ui/effects.lua
View File

@@ -35,3 +35,33 @@ function g_effects.cancelFade(widget)
removeEvent(widget.fadeEvent)
widget.fadeEvent = nil
end
function g_effects.startBlink(widget, duration, interval, clickCancel)
duration = duration or 0 -- until stop is called
interval = interval or 500
clickCancel = clickCancel or true
removeEvent(widget.blinkEvent)
removeEvent(widget.blinkStopEvent)
widget.blinkEvent = cycleEvent(function()
widget:setOn(not widget:isOn())
end, interval)
if duration > 0 then
widget.blinkStopEvent = scheduleEvent(function()
g_effects.stopBlink(widget)
end, duration)
end
connect(widget, { onClick = g_effects.stopBlink })
end
function g_effects.stopBlink(widget)
disconnect(widget, { onClick = g_effects.stopBlink })
removeEvent(widget.blinkEvent)
removeEvent(widget.blinkStopEvent)
widget.blinkEvent = nil
widget.blinkStopEvent = nil
widget:setOn(false)
end