source-engine-2018-hl2_src/public/panorama/layout/panel2dfactory.h
FluorescentCIAAfricanAmerican 3bf9df6b27 1
2020-04-22 12:56:21 -04:00

111 lines
4.3 KiB
C++

//=========== Copyright Valve Corporation, All rights reserved. ===============//
//
// Purpose:
//=============================================================================//
#ifndef PANEL2DFACTORY_H
#define PANEL2DFACTORY_H
#ifdef _WIN32
#pragma once
#endif
#include "utlsymbol.h"
#include "tier1/utlrbtree.h"
#include "panorama/panoramasymbol.h"
namespace panorama
{
class IUIPanel;
class IUIPanelClient;
class IUIEngine;
class CPanel2DFactory;
#ifdef DBGFLAG_VALIDATE
void ValidatePanel2DFactory( CValidator &validator );
#endif
void RegisterPanelFactoriesWithEngine( IUIEngine *pEngine );
//-----------------------------------------------------------------------------
// Purpose: Used by DECLARE_PANEL2D_FACTORY macro to create a linked list of instancing functions
//-----------------------------------------------------------------------------
typedef panorama::IUIPanelClient *(*PANEL2DCREATEFUNC)(const char *pchName, panorama::IUIPanel *parent);
typedef CPanoramaSymbol( *PANELSYMBOLFUNC )();
class CPanel2DFactory
{
public:
CPanel2DFactory( CPanoramaSymbol *pSym, char const *pchLayoutName, PANEL2DCREATEFUNC func, void *pChrisBoydBS, PANELSYMBOLFUNC symParentFunc );
static bool BRegisteredLocalName( CUtlSymbol symName );
CPanoramaSymbol BaseClassSymbol() { return m_funcSymParent(); }
private:
friend class CUIEngine;
IUIPanelClient *CreatePanelInternal( const char *pchID, panorama::IUIPanel *parent );
PANELSYMBOLFUNC m_funcSymParent;
PANEL2DCREATEFUNC m_funcCreate;
};
// This is the macro which implements creation of each type of panel. It creates a function which instances an object of the specified type
// It them hooks that function up to the helper list so that objects can create the elements by name, with no header file dependency, etc.
// Params: className = name of class to create
// layoutName = name used in the layout file
#define REGISTER_PANEL2D_FACTORY( className, layoutName ) \
panorama::CPanoramaSymbol className::m_symbol; \
static panorama::IUIPanelClient *Create_##layoutName( const char *pchID, panorama::IUIPanel *parent ) \
{ \
return new className( ToPanel2D(parent), pchID ); \
}; \
namespace panorama { className *g_##layoutName##LinkerHack = NULL; } \
panorama::CPanel2DFactory g_##layoutName##_Helper( &className::m_symbol, #layoutName, Create_##layoutName, panorama::g_##layoutName##LinkerHack, &className::BaseClass::GetPanelSymbol );
// Can be used to register a name so it can be used as a top level panel in XML, but can't be created through a layout file
#define REGISTER_PANEL2D( className, layoutName ) \
panorama::CPanoramaSymbol className::m_symbol; \
namespace panorama { className *g_##layoutName##LinkerHack = NULL; } \
panorama::CPanel2DFactory g_##layoutName##_Helper( &className::m_symbol, #layoutName, NULL, panorama::g_##layoutName##LinkerHack, &className::BaseClass::GetPanelSymbol );
// Can be used to reserve a panel name w/o a panel class
#define REGISTER_PANEL_NAME( layoutName ) \
panorama::CPanoramaSymbol k_symPanel##layoutName; \
panorama::CPanoramaSymbol Get_##layoutName##_Symbol() { return k_symPanel##layoutName; } \
panorama::CPanel2DFactory g_##layoutName##_Helper( &k_symPanel##layoutName, #layoutName, NULL, NULL, &Get_##layoutName##_Symbol );
#define DECLARE_PANEL2D( className, baseClassName ) \
public: \
typedef baseClassName BaseClass; \
typedef className ThisClass; \
static panorama::CPanoramaSymbol m_symbol; \
\
static panorama::CPanoramaSymbol GetPanelSymbol() { return className::m_symbol; } \
virtual panorama::CPanoramaSymbol GetPanelType() const { return className::m_symbol; } \
private:
#define DECLARE_PANEL2D_NO_BASE( className ) \
public: \
typedef className ThisClass; \
typedef className BaseClass; \
static panorama::CPanoramaSymbol m_symbol; \
\
static panorama::CPanoramaSymbol GetPanelSymbol() { return className::m_symbol; } \
virtual panorama::CPanoramaSymbol GetPanelType() const { return className::m_symbol; } \
private:
} // namespace panorama
inline uint32 HashItem( const panorama::CPanoramaSymbol &item )
{
return ::HashItem( (UtlSymId_t)item );
}
#endif // PANEL2DFACTORY_H