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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#ifndef CHOREOWIDGET_H
#define CHOREOWIDGET_H
#ifdef _WIN32
#pragma once
#endif
#include <mxtk/mx.h>
class CChoreoView;
class CChoreoScene;
class CChoreoWidgetDrawHelper;
//-----------------------------------------------------------------------------
// Purpose: CChoreoWidgets are mxWindows that we show in the Choreography view area
// so that we can manipulate them with the mouse. The widgets follow the scene
// hierarchy of actors/channels/events, without having to hang off of the underlying
// data. They are just for the UI.
//-----------------------------------------------------------------------------
class CChoreoWidget
{
public:
// memory handling, uses calloc so members are zero'd out on instantiation
void *operator new( size_t stAllocateBlock );
void operator delete( void *pMem );
CChoreoWidget( CChoreoWidget *parent );
virtual ~CChoreoWidget( void );
// All widgets implement these pure virtuals
// Called to force a widget to create its children based on the scene data
virtual void Create( void ) = 0;
// Force widget to redo layout of self and any children
virtual void Layout( RECT& rc ) = 0;
// Redraw the widget
virtual void redraw( CChoreoWidgetDrawHelper& drawHelper ) = 0;
// Don't overdraw background
virtual bool PaintBackground( void ) { return false; };
// Determine height to reserver for widget ( Actors can be expanded or collapsed, e.g. )
virtual int GetItemHeight( void );
virtual void LocalToScreen( int& mx, int& my );
virtual bool IsSelected( void );
virtual void SetSelected( bool selected );
virtual void setBounds( int x, int y, int w, int h );
virtual int x( void );
virtual int y( void );
virtual int w( void );
virtual int h( void );
virtual CChoreoWidget *getParent( void );
virtual void setVisible( bool visible );
virtual bool getVisible( void );
virtual void getBounds( RECT& bounds );
virtual RECT &getBounds( void );
// Globally accessible scene and view pointers
static CChoreoScene *m_pScene;
static CChoreoView *m_pView;
private:
bool m_bSelected;
bool m_bVisible;
RECT m_rcBounds;
protected:
CChoreoWidget *m_pParent;
};
#endif // CHOREOWIDGET_H
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