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