129 lines
4.3 KiB
Ucode
129 lines
4.3 KiB
Ucode
/**********************************************************************
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Filename : GFxClikWidget.uc
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Content : Unreal Scaleform GFx integration
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Copyright : (c) 2006-2007 Scaleform Corp. All Rights Reserved.
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Portions of the integration code is from Epic Games as identified by Perforce annotations.
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Copyright 2010 Epic Games, Inc. All rights reserved.
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Notes :
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Licensees may use this file in accordance with the valid Scaleform
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Commercial License Agreement provided with the software.
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This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING
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THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR ANY PURPOSE.
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**********************************************************************/
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class GFxClikWidget extends GFxObject;
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// Common event data from CLIK components. You can add or remove members from this struct depending on
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// which properties you use. If you don't need Target, remove it as storing it performs memory allocation.
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`if(`__TW_)
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var GFxObject AddedListener;
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`endif
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struct EventData
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{
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var GFxObject _this;
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var GFxObject target;
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var string type;
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var int data;
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var int mouseIndex;
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var int button;
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var int index;
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var int lastIndex;
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};
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delegate EventListener(EventData data);
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/**
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* Adds an event listener to the EventDispatcher for events on CLIK widgets. To add an event, pass in the name of the CLIK event, prefaced with "CLIK_" (e.g. 'CLIK_press')
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* For a full list of valid CLIK events, see EventTypes.as in the CLIK widget source.
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*/
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function AddEventListener(name type, delegate<EventListener> listener, bool useCapture=false, int listenerPriority=0, bool useWeakReference=false)
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{
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local GFxObject o, funcobj;
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local string TypeString;
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TypeString = GetEventStringFromTypename(type);
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if( TypeString != "" )
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{
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o = Outer.CreateObject("Object");
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SetListener(o,TypeString,listener);
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if (GetAVMVersion() == 2)
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{
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funcobj = o.GetObject(TypeString);
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AS3AddEventListener(TypeString, funcobj, useCapture, listenerPriority, useWeakReference);
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}
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else
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ASAddEventListener(TypeString,o,TypeString);
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}
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}
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/**
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* This function removes any pre-existing listeners and adds a new one to the CLIK widget
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*/
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`if(`__TW_)
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function AddAS3EventListener(name type, delegate<EventListener> listener, bool useCapture=false, int listenerPriority=0, bool useWeakReference=false)
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{
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local GFxObject o, funcobj;
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local string TypeString;
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TypeString = GetEventStringFromTypename(type);
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if( TypeString != "" )
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{
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if (AddedListener != none)
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{
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AS3RemoveEventListener(TypeString, AddedListener, useCapture);
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}
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o = Outer.CreateObject("Object");
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SetListener(o,TypeString,listener);
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funcobj = o.GetObject(TypeString);
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AS3AddEventListener(TypeString, funcobj, useCapture, listenerPriority, useWeakReference);
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AddedListener = funcobj;
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}
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}
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`endif
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function RemoveAllEventListeners(string event)
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{
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ASRemoveAllEventListeners(event);
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}
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/** Checks for a "CLIK_" prefix to the name (to avoid name collisions), and returns the string equivalent with the prefix removed. If prefix isn't found, errors and returns a null string */
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private final function string GetEventStringFromTypename(name Typename)
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{
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local string Typestring;
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Typestring = string(Typename);
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// Check for the "CLIK_" prefix on the name, to make sure it's in our "namespace"
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if( InStr(Typestring, "CLIK_") >= 0 )
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{
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return Split(Typestring, "CLIK_", TRUE);
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}
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else
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{
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`log("Improper CLIK callback name! All callback names must start with CLIK_ (e.g. 'CLIK_press')");
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return "";
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}
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}
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private function SetListener(GFxObject o, string member, delegate<EventListener> listener) { ActionScriptSetFunctionOn(o,member); }
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private function ASAddEventListener(string type, GFxObject o, string func) { ActionScriptVoid("addEventListener"); }
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private function AS3AddEventListener(string type, GFxObject o, bool useCapture=false, int listenerPriority=0, bool useWeakReference=true) { ActionScriptVoid("addEventListener"); }
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private function ASRemoveAllEventListeners(string event) { ActionScriptVoid("removeAllEventListeners"); }
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`if(`__TW_)
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private function AS3RemoveEventListener(string type, GFxObject o, bool useCapture=false){ ActionScriptVoid("removeEventListener");}
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`endif
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