CWE-ou-minkata/Sources/Plasma/FeatureLib/pfGameGUIMgr/pfGUIDraggableMod.cpp

/*==LICENSE==*

CyanWorlds.com Engine - MMOG client, server and tools
Copyright (C) 2011  Cyan Worlds, Inc.

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 or by snail mail at:
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*==LICENSE==*/
//////////////////////////////////////////////////////////////////////////////
//                                                                          //
//  pfGUIDraggableMod Definition                                            //
//                                                                          //
//////////////////////////////////////////////////////////////////////////////

#include "hsTypes.h"
#include "pfGUIDraggableMod.h"
#include "pfGameGUIMgr.h"

#include "pnMessage/plRefMsg.h"
#include "pfMessage/pfGameGUIMsg.h"
#include "plMessage/plAnimCmdMsg.h"
#include "plAvatar/plAGModifier.h"
#include "plInputCore/plInputInterface.h"
#include "plgDispatch.h"
#include "hsResMgr.h"


//// Constructor/Destructor //////////////////////////////////////////////////

pfGUIDraggableMod::pfGUIDraggableMod()
{
    SetFlag( kWantsInterest );
    fDragging = false;
}

pfGUIDraggableMod::~pfGUIDraggableMod()
{
}

//// IEval ///////////////////////////////////////////////////////////////////

hsBool  pfGUIDraggableMod::IEval( double secs, hsScalar del, UInt32 dirty )
{
    return pfGUIControlMod::IEval( secs, del, dirty );
}

//// MsgReceive //////////////////////////////////////////////////////////////

hsBool  pfGUIDraggableMod::MsgReceive( plMessage *msg )
{
    return pfGUIControlMod::MsgReceive( msg );
}

//// Read/Write //////////////////////////////////////////////////////////////

void    pfGUIDraggableMod::Read( hsStream *s, hsResMgr *mgr )
{
    pfGUIControlMod::Read(s, mgr);
}

void    pfGUIDraggableMod::Write( hsStream *s, hsResMgr *mgr )
{
    pfGUIControlMod::Write( s, mgr );
}

//// UpdateBounds ////////////////////////////////////////////////////////////

void    pfGUIDraggableMod::UpdateBounds( hsMatrix44 *invXformMatrix, hsBool force )
{
    pfGUIControlMod::UpdateBounds( invXformMatrix, force );
    fBoundsValid = false;
}

//// HandleMouseDown/Up //////////////////////////////////////////////////////

void    pfGUIDraggableMod::HandleMouseDown( hsPoint3 &mousePt, UInt8 modifiers )
{
    if( !fDragging )
    {
        fLastMousePt = mousePt;
        fOrigCenter = fScreenCenter;

        fDragging = true;
        fDragOffset = fScreenCenter - mousePt;

        SetObjectCenter( mousePt.fX + fDragOffset.fX, mousePt.fY + fDragOffset.fY );

        HandleExtendedEvent( kStartingDrag );
    }
}

void    pfGUIDraggableMod::HandleMouseUp( hsPoint3 &mousePt, UInt8 modifiers )
{
    if( fDragging )
    {
        fLastMousePt = mousePt;
        fDragging = false;
        SetObjectCenter( mousePt.fX + fDragOffset.fX, mousePt.fY + fDragOffset.fY );

        DoSomething();

        if( HasFlag( kAlwaysSnapBackToStart ) )
            SetObjectCenter( fOrigCenter.fX, fOrigCenter.fY );
    }
}

void    pfGUIDraggableMod::HandleMouseDrag( hsPoint3 &mousePt, UInt8 modifiers )
{
    if( fDragging )
    {
        fLastMousePt = mousePt;

        SetObjectCenter( mousePt.fX + fDragOffset.fX, mousePt.fY + fDragOffset.fY );

        if( HasFlag( kReportDragging ) )
            HandleExtendedEvent( kDragging );
    }
}

//// IGetDesiredCursor ///////////////////////////////////////////////////////

UInt32      pfGUIDraggableMod::IGetDesiredCursor( void ) const
{
    // if we are anchored, then no cursors that say we can move
    if( fDragging )
    {
        if( HasFlag( kHideCursorWhileDragging ) )
            return plInputInterface::kCursorHidden;

        return plInputInterface::kCursor4WayDragging;
    }

    return plInputInterface::kCursor4WayDraggable;
}

void    pfGUIDraggableMod::StopDragging( hsBool cancel )
{
    if( fDragging )
    {
        fDragging = false;
        if( cancel )
            HandleExtendedEvent( kCancelled );

        if( HasFlag( kAlwaysSnapBackToStart ) )
            SetObjectCenter( fOrigCenter.fX, fOrigCenter.fY );
    }
}