Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

154 lines
2.9 KiB

5 years ago
//=========== Copyright Valve Corporation, All rights reserved. ===============//
//
// Purpose:
//=============================================================================//
#ifndef PANELPTR_H
#define PANELPTR_H
#ifdef _WIN32
#pragma once
#endif
#include "panelhandle.h"
#include "../iuiengine.h"
#include "../iuipanelclient.h"
#include "panorama/panoramacxx.h"
#include "generichash.h"
namespace panorama
{
class CPanel2D;
//
// Safe pointer to a panel
//
template < class T >
class CPanelPtr
{
public:
CPanelPtr() { Clear(); }
CPanelPtr( const CPanelPtr &rhs ) { *this = rhs; }
CPanelPtr( const IUIPanel *pPanel ) { Set( pPanel ); }
CPanelPtr( const IUIPanelClient *pPanel ) { Set( pPanel ? pPanel->UIPanel() : (IUIPanel*)NULL ); }
CPanelPtr< T > &operator=( const CPanelPtr< T > &ptr ) { m_handle = ptr.m_handle; return *this; }
T *operator=( T *pPanel ) { Set( pPanel ); return pPanel; }
void Clear()
{
m_handle = PanelHandle_t::InvalidHandle();
}
void Set( const IUIPanel *pPanel )
{
if( pPanel )
m_handle = UIEngine()->GetPanelHandle( pPanel );
else
Clear();
}
void Set( const IUIPanelClient *pPanel )
{
if( pPanel )
m_handle = UIEngine()->GetPanelHandle( pPanel->UIPanel() );
else
Clear();
}
T * Get() const
{
if ( m_handle == PanelHandle_t::InvalidHandle() )
return NULL;
// allow us to be called to return NULL pointers early
if( UIEngine() == NULL )
{
return NULL;
}
if( panorama_is_base_of< IUIPanel, T >::value )
{
T* pPanel = (T *)UIEngine()->GetPanelPtr( m_handle );
if ( pPanel )
{
return pPanel;
}
else
{
m_handle = PanelHandle_t::InvalidHandle();
return NULL;
}
}
else
{
IUIPanel *pPanel = UIEngine()->GetPanelPtr( m_handle );
if( pPanel )
return (T*)(pPanel->ClientPtr());
else
{
m_handle = PanelHandle_t::InvalidHandle();
return NULL;
}
}
}
T *operator->() const
{
return Get();
}
template < class U >
bool operator==( const CPanelPtr< U > &rhs ) const
{
return ( m_handle == rhs.GetPanelHandle() );
}
template < class U >
bool operator!=( const CPanelPtr< U > &rhs ) const
{
return !operator==( rhs );
}
template < class U >
bool operator<( const CPanelPtr< U > &rhs) const
{
return m_handle < rhs.m_handle;
}
uint64 GetHandleAsUInt64() const
{
uint64 val = 0;
val = ((uint64)m_handle.m_unSerialNumber)<<32 | m_handle.m_iPanelIndex;
return val;
}
void SetFromUInt64( uint64 ulValue )
{
m_handle.m_unSerialNumber = ulValue>>32;
m_handle.m_iPanelIndex = 0xFFFFFFFF & ulValue;
}
const PanelHandle_t &GetPanelHandle() const { return m_handle; }
bool BPreviouslySet() { return ( m_handle != PanelHandle_t::InvalidHandle() ); }
private:
mutable PanelHandle_t m_handle;
};
template< class T >
inline uint32 HashItem( const CPanelPtr<T> &item )
{
#if defined( SOURCE2_PANORAMA )
return ::HashItem( item );
#else
return HashItemAsBytes( item );
#endif
}
} // namespace panorama
#endif // PANELPTR_H