170 lines
3.5 KiB
C++
170 lines
3.5 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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//=============================================================================
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#include "clipboardmanager.h"
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#include "datamodel.h"
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#include "tier1/KeyValues.h"
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#ifndef _LINUX
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#define USE_WINDOWS_CLIPBOARD
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#endif
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#if defined( USE_WINDOWS_CLIPBOARD )
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#include <windows.h>
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#endif
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CClipboardManager::CClipboardManager( ) :
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m_pfnCleanup( NULL )
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{
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}
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CClipboardManager::~CClipboardManager()
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{
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EmptyClipboard( false );
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}
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void CClipboardManager::EmptyClipboard( bool bClearWindowsClipboard )
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{
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// Call optional cleanup function if there is one...
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if ( m_pfnCleanup )
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{
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m_pfnCleanup->ReleaseClipboardData( m_Data );
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}
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int c = m_Data.Count();
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for ( int i = 0; i < c; ++i )
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{
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m_Data[ i ]->deleteThis();
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}
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m_Data.RemoveAll();
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m_pfnCleanup = NULL;
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#if defined( USE_WINDOWS_CLIPBOARD )
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if ( bClearWindowsClipboard )
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{
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if ( ::OpenClipboard( ::GetDesktopWindow() ) )
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{
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::EmptyClipboard();
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::CloseClipboard();
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}
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}
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#endif
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}
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void CClipboardManager::SetClipboardData( CUtlVector< KeyValues * >& data, IClipboardCleanup *pfnOptionalCleanuFunction )
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{
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EmptyClipboard( true );
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m_Data = data;
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m_pfnCleanup = pfnOptionalCleanuFunction;
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#if defined( USE_WINDOWS_CLIPBOARD )
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if ( m_Data.Count() >= 0 )
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{
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// Only stick the first item's data into the clipboard
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char const *text = m_Data[ 0 ]->GetString( "text", "" );
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if ( text && text[ 0 ] )
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{
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int textLen = Q_strlen( text );
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if ( ::OpenClipboard( ::GetDesktopWindow() ) )
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{
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HANDLE hmem = ::GlobalAlloc(GMEM_MOVEABLE, textLen + 1);
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if (hmem)
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{
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void *ptr = ::GlobalLock( hmem );
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if ( ptr )
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{
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Q_memset( ptr, 0, textLen + 1 );
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Q_memcpy( ptr, text, textLen );
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::GlobalUnlock( hmem );
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::SetClipboardData( CF_TEXT, hmem );
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}
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}
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::CloseClipboard();
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}
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}
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}
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#endif
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}
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void CClipboardManager::AddToClipboardData( KeyValues *add )
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{
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m_Data.AddToTail( add );
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#if defined( USE_WINDOWS_CLIPBOARD )
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if ( m_Data.Count() >= 0 )
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{
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// Only stick the first item's data into the clipboard
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char const *text = m_Data[ 0 ]->GetString( "text", "" );
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if ( text && text[ 0 ] )
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{
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int textLen = Q_strlen( text );
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if ( ::OpenClipboard( ::GetDesktopWindow() ) )
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{
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::EmptyClipboard();
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HANDLE hmem = ::GlobalAlloc(GMEM_MOVEABLE, textLen + 1);
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if (hmem)
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{
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void *ptr = ::GlobalLock( hmem );
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if ( ptr )
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{
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Q_memset( ptr, 0, textLen + 1 );
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Q_memcpy( ptr, text, textLen );
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::GlobalUnlock( hmem );
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::SetClipboardData( CF_TEXT, hmem );
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}
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}
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::CloseClipboard();
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}
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}
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}
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#endif
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}
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void CClipboardManager::GetClipboardData( CUtlVector< KeyValues * >& data )
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{
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data.RemoveAll();
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data = m_Data;
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#if defined( USE_WINDOWS_CLIPBOARD )
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if ( data.Count() == 0 )
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{
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// See if windows has some text since we didn't have any internally
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if ( ::OpenClipboard( ::GetDesktopWindow() ) )
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{
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HANDLE hmem = ::GetClipboardData( CF_TEXT );
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if ( hmem )
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{
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int len = GlobalSize( hmem );
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if ( len > 0 )
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{
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void *ptr = GlobalLock(hmem);
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if ( ptr )
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{
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char buf[ 8192 ];
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len = min( len, 8191 );
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Q_memcpy( buf, ( char * )ptr, len );
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buf[ 8191 ] = 0;
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GlobalUnlock(hmem);
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KeyValues *newData = new KeyValues( "ClipBoard", "text", buf );
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data.AddToTail( newData );
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}
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}
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}
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::CloseClipboard();
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}
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}
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#endif
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}
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bool CClipboardManager::HasClipboardData() const
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{
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return m_Data.Count() > 0 ? true : false;
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}
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