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utils/hlfaceposer/mxexpressiontray.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#if !defined( MXEXPRESSIONTRAY_H )
+#define MXEXPRESSIONTRAY_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define IDC_TRAYSCROLL				1001
+#define IDC_CONTEXT_NEWEXP			1002
+#define IDC_CONTEXT_EDITEXP			1003
+#define IDC_CONTEXT_SAVEEXP			1004
+#define IDC_CONTEXT_DELETEXP		1005
+#define IDC_CONTEXT_REVERT			1012
+#define IDC_AB						1014
+#define IDC_THUMBNAIL_INCREASE		1015
+#define IDC_THUMBNAIL_DECREASE		1016
+#define IDC_CONTEXT_CREATEBITMAP	1017
+
+#define COLOR_TRAYBACKGROUND		RGB( 240, 240, 220 )
+
+class ControlPanel;
+class FlexPanel;
+class mxScrollbar;
+class mxCheckBox;
+class CChoreoView;
+class CExpression;
+class CExpClass;
+class mxButton;
+class CChoreoWidgetDrawHelper;
+
+#include "faceposertoolwindow.h"
+#include "mxbitmaptools.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+class mxExpressionTray : public mxWindow, public IFacePoserToolWindow
+{
+public:
+						mxExpressionTray( mxWindow *parent, int id = 0 );
+	virtual				~mxExpressionTray ( void );
+
+	virtual void		redraw ();
+	virtual bool		PaintBackground( void );
+
+	virtual int			handleEvent (mxEvent *event);
+
+	void				ThumbnailIncrease( void );
+	void				ThumbnailDecrease( void );
+	void				RestoreThumbnailSize( void );
+
+	void				AB( void );
+
+	void				Select( int exp, bool deselect = true );
+	void				Deselect( void );
+	int					CountSelected( void );
+
+	void				SetCellSize( int cellsize );
+
+	void				ReloadBitmaps( void );
+	virtual void		OnModelChanged();
+
+private: // Data structures
+
+	typedef void (mxExpressionTray::*ETMEMBERFUNC)( int cell );
+
+	class mxETButton
+	{
+	public:
+		mxETButton					*next;
+		char						m_szName[ 32 ];
+		bool						m_bActive;
+		RECT						m_rc;
+		char						m_szToolTip[ 128 ];
+		mxbitmapdata_t				*m_pImage;
+
+		ETMEMBERFUNC				m_fnCallback;
+	};
+
+private: // Methods
+	void				ChangeWeightOfExpressionInGroup( CExpClass *active, CExpression *exp, CExpression *group );
+	int					GetCellUnderPosition( int x, int y );
+
+	bool				ComputeRect( int cell, int& rcx, int& rcy, int& rcw, int& rch );
+	int					ComputePixelsNeeded( void );
+
+	void				RepositionSlider();
+	void				SetClickedCell( int cell );
+	void				ShowRightClickMenu( int mx, int my );
+
+	void				DrawThumbNail( CExpClass *active, CExpression *current, CChoreoWidgetDrawHelper& helper, 
+							int rcx, int rcy, int rcw, int rch, int c, int selected, bool updateselection );
+
+	void				DrawDirtyFlag( CChoreoWidgetDrawHelper& helper, CExpression *current, int rcx, int rcy, int rcw, int rch );
+	void				DrawExpressionFocusRect( CChoreoWidgetDrawHelper& helper, int x, int y, int w, int h, COLORREF clr );
+	void				DrawExpressionDescription( CChoreoWidgetDrawHelper& helper, int x, int y, int w, int h, const char *expressionname, const char *description );
+
+	void				CreateButtons( void );
+	void				DeleteAllButtons( void );
+	void				AddButton( const char *name, const char *tooltip, const char *bitmap, 
+							ETMEMBERFUNC pfnCallback, bool active, int x, int y, int w, int h );
+	mxETButton			*GetItemUnderCursor( int x, int y );
+	void				DrawButton( CChoreoWidgetDrawHelper& helper, int cell, mxETButton *btn );
+	void				ActivateButton( const char *name, bool active );
+	mxETButton			*FindButton( const char *name );
+	
+	void				ET_Undo( int cell );
+	void				ET_Redo( int cell );
+
+	void				DrawFocusRect( void );
+
+private: // Data
+
+	mxETButton			*m_pButtons;
+
+	mxScrollbar			*slScrollbar;
+
+	int					m_nTopOffset;
+
+	int					m_nLastNumExpressions;
+
+	int					m_nGranularity;
+
+	// For A/B
+	int					m_nPrevCell;
+	int					m_nCurCell;
+
+	// For context menu
+	int					m_nClickedCell;
+
+	// Formatting
+	int					m_nButtonSquare;
+
+	int					m_nGap;
+	int					m_nDescriptionHeight;
+	int					m_nSnapshotWidth;
+	int					m_nSnapshotHeight;
+
+	// For detecting that the slider thumbs need to be recomputed
+	int					m_nPreviousExpressionCount;
+
+	bool				m_bDragging;
+	RECT				m_rcFocus;
+	RECT				m_rcOrig;
+	int					m_nDragCell;
+	int					m_nXStart;
+	int					m_nYStart;
+
+	mxButton			*m_pABButton;
+	mxButton			*m_pThumbnailIncreaseButton;
+	mxButton			*m_pThumbnailDecreaseButton;
+};
+
+extern mxExpressionTray *g_pExpressionTrayTool;
+
+#endif // MXEXPRESSIONTRAY_H