From d4fb6127fc6daaf300a21cd03d8e6db2da883f0b Mon Sep 17 00:00:00 2001
From: Henrique Santiago <henrique_santiago93@hotmail.com>
Date: Tue, 5 Feb 2013 19:08:32 -0200
Subject: [PATCH] Add blink effect

---
 data/images/ui/button_top_blink.png | Bin 0 -> 462 bytes
 data/styles/20-topmenu.otui         |   5 ++++-
 modules/corelib/globals.lua         |   4 ++--
 modules/corelib/ui/effects.lua      |  30 ++++++++++++++++++++++++++++
 4 files changed, 36 insertions(+), 3 deletions(-)
 create mode 100644 data/images/ui/button_top_blink.png

diff --git a/data/images/ui/button_top_blink.png b/data/images/ui/button_top_blink.png
new file mode 100644
index 0000000000000000000000000000000000000000..9a669278a81b71467ad28a959e71407bc09cbe18
GIT binary patch
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diff --git a/data/styles/20-topmenu.otui b/data/styles/20-topmenu.otui
index 26db4951..5c6e24c7 100644
--- a/data/styles/20-topmenu.otui
+++ b/data/styles/20-topmenu.otui
@@ -6,6 +6,9 @@ TopButton < UIButton
   image-color: #ffffffff
   icon-color: #ffffffff
 
+  $on:
+    image-source: /images/ui/button_top_blink
+
   $hover !disabled:
     image-color: #ffffff99
     image-clip: 26 0 26 26
@@ -46,4 +49,4 @@ TopMenuPanel < Panel
 TopMenuFrameCounterLabel < FrameCounterLabel
   color: white
   margin-top: 4
-  margin-left: 5
\ No newline at end of file
+  margin-left: 5
diff --git a/modules/corelib/globals.lua b/modules/corelib/globals.lua
index 52882794..cdbd161d 100644
--- a/modules/corelib/globals.lua
+++ b/modules/corelib/globals.lua
@@ -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
diff --git a/modules/corelib/ui/effects.lua b/modules/corelib/ui/effects.lua
index ff77f61d..16325b5e 100644
--- a/modules/corelib/ui/effects.lua
+++ b/modules/corelib/ui/effects.lua
@@ -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