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fix StaticPopup being tainted by UIFrameFade usage (#29)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| local _, namespace = ... | ||
| local tinsert = _G.table.insert | ||
| local tremove = _G.table.remove | ||
|
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||
| --[[ | ||
| Copy paste of UIFrameFade from FrameXML/UIParent.lua. | ||
| Blizzard's version causes UI taint so this is a temp work around. (see issue #29) | ||
| ]] | ||
|
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| local FADEFRAMES = {}; | ||
|
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| -- Frame fading and flashing -- | ||
|
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| local frameFadeManager = CreateFrame("FRAME"); | ||
|
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| -- Function that actually performs the alpha change | ||
| --[[ | ||
| Fading frame attribute listing | ||
| ============================================================ | ||
| frame.timeToFade [Num] Time it takes to fade the frame in or out | ||
| frame.mode ["IN", "OUT"] Fade mode | ||
| frame.finishedFunc [func()] Function that is called when fading is finished | ||
| frame.finishedArg1 [ANYTHING] Argument to the finishedFunc | ||
| frame.finishedArg2 [ANYTHING] Argument to the finishedFunc | ||
| frame.finishedArg3 [ANYTHING] Argument to the finishedFunc | ||
| frame.finishedArg4 [ANYTHING] Argument to the finishedFunc | ||
| frame.fadeHoldTime [Num] Time to hold the faded state | ||
| ]] | ||
|
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||
| local function UIFrameFade_OnUpdate(self, elapsed) | ||
| local index = 1; | ||
| local frame, fadeInfo; | ||
| while FADEFRAMES[index] do | ||
| frame = FADEFRAMES[index]; | ||
| fadeInfo = FADEFRAMES[index].fadeInfo; | ||
| -- Reset the timer if there isn't one, this is just an internal counter | ||
| if ( not fadeInfo.fadeTimer ) then | ||
| fadeInfo.fadeTimer = 0; | ||
| end | ||
| fadeInfo.fadeTimer = fadeInfo.fadeTimer + elapsed; | ||
|
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| -- If the fadeTimer is less then the desired fade time then set the alpha otherwise hold the fade state, call the finished function, or just finish the fade | ||
| if ( fadeInfo.fadeTimer < fadeInfo.timeToFade ) then | ||
| if ( fadeInfo.mode == "IN" ) then | ||
| frame:SetAlpha((fadeInfo.fadeTimer / fadeInfo.timeToFade) * (fadeInfo.endAlpha - fadeInfo.startAlpha) + fadeInfo.startAlpha); | ||
| elseif ( fadeInfo.mode == "OUT" ) then | ||
| frame:SetAlpha(((fadeInfo.timeToFade - fadeInfo.fadeTimer) / fadeInfo.timeToFade) * (fadeInfo.startAlpha - fadeInfo.endAlpha) + fadeInfo.endAlpha); | ||
| end | ||
| else | ||
| frame:SetAlpha(fadeInfo.endAlpha); | ||
| -- If there is a fadeHoldTime then wait until its passed to continue on | ||
| if ( fadeInfo.fadeHoldTime and fadeInfo.fadeHoldTime > 0 ) then | ||
| fadeInfo.fadeHoldTime = fadeInfo.fadeHoldTime - elapsed; | ||
| else | ||
| -- Complete the fade and call the finished function if there is one | ||
| namespace:UIFrameFadeRemoveFrame(frame); | ||
| if ( fadeInfo.finishedFunc ) then | ||
| fadeInfo.finishedFunc(fadeInfo.finishedArg1, fadeInfo.finishedArg2, fadeInfo.finishedArg3, fadeInfo.finishedArg4); | ||
| fadeInfo.finishedFunc = nil; | ||
| end | ||
| end | ||
| end | ||
|
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| index = index + 1; | ||
| end | ||
|
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| if ( #FADEFRAMES == 0 ) then | ||
| self:SetScript("OnUpdate", nil); | ||
| end | ||
| end | ||
|
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| -- Generic fade function | ||
| function namespace:UIFrameFade(frame, fadeInfo) | ||
| if (not frame) then | ||
| return; | ||
| end | ||
| if ( not fadeInfo.mode ) then | ||
| fadeInfo.mode = "IN"; | ||
| end | ||
| --local alpha; | ||
| if ( fadeInfo.mode == "IN" ) then | ||
| if ( not fadeInfo.startAlpha ) then | ||
| fadeInfo.startAlpha = 0; | ||
| end | ||
| if ( not fadeInfo.endAlpha ) then | ||
| fadeInfo.endAlpha = 1.0; | ||
| end | ||
| --alpha = 0; | ||
| elseif ( fadeInfo.mode == "OUT" ) then | ||
| if ( not fadeInfo.startAlpha ) then | ||
| fadeInfo.startAlpha = 1.0; | ||
| end | ||
| if ( not fadeInfo.endAlpha ) then | ||
| fadeInfo.endAlpha = 0; | ||
| end | ||
| --alpha = 1.0; | ||
| end | ||
| frame:SetAlpha(fadeInfo.startAlpha); | ||
|
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| frame.fadeInfo = fadeInfo; | ||
| frame:Show(); | ||
|
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| local index = 1; | ||
| while FADEFRAMES[index] do | ||
| -- If frame is already set to fade then return | ||
| if ( FADEFRAMES[index] == frame ) then | ||
| return; | ||
| end | ||
| index = index + 1; | ||
| end | ||
| tinsert(FADEFRAMES, frame); | ||
| frameFadeManager:SetScript("OnUpdate", UIFrameFade_OnUpdate); | ||
| end | ||
|
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| -- Convenience function to do a simple fade out | ||
| function namespace:UIFrameFadeOut(frame, timeToFade, startAlpha, endAlpha) | ||
| local fadeInfo = {}; | ||
| fadeInfo.mode = "OUT"; | ||
| fadeInfo.timeToFade = timeToFade; | ||
| fadeInfo.startAlpha = startAlpha; | ||
| fadeInfo.endAlpha = endAlpha; | ||
| namespace:UIFrameFade(frame, fadeInfo); | ||
| end | ||
|
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| function namespace:UIFrameFadeRemoveFrame(frame) | ||
| local index = 1; | ||
| while FADEFRAMES[index] do | ||
| if ( frame == FADEFRAMES[index] ) then | ||
| tremove(FADEFRAMES, index); | ||
| else | ||
| index = index + 1; | ||
| end | ||
| end | ||
| end |