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utils/hlfaceposer/choreowidget.h

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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