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169 lines
3.5 KiB
169 lines
3.5 KiB
//========= 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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