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tools/toolutils/recentfilelist.cpp

@@ -0,0 +1,157 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Core Movie Maker UI API
+//
+//=============================================================================
+
+#include "toolutils/recentfilelist.h"
+#include "vgui_controls/menu.h"
+#include "iregistry.h"
+#include "tier1/KeyValues.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+
+
+//-----------------------------------------------------------------------------
+// Adds a file to the list of recent files
+//-----------------------------------------------------------------------------
+void CRecentFileList::Add( const char *pFileName, const char *pFileFormat )
+{
+	RecentFileInfo_t info;
+	info.m_pFileName = pFileName;
+	int idx = m_RecentFiles.Find( info );
+	if ( idx != m_RecentFiles.InvalidIndex() )
+	{
+		// Remove from current slot so it gets added to head (most recent) below...
+		m_RecentFiles.Remove( idx );
+	}
+
+	while ( m_RecentFiles.Count() >= MAX_RECENT_FILES )
+	{
+		// Oldest is at last slot
+		m_RecentFiles.Remove( m_RecentFiles.Count() - 1 );
+	}
+
+	int i = m_RecentFiles.AddToHead( );
+	m_RecentFiles[i].m_pFileName = pFileName;
+	m_RecentFiles[i].m_pFileFormat = pFileFormat;
+}
+
+
+//-----------------------------------------------------------------------------
+// Removes all files from the list
+//-----------------------------------------------------------------------------
+void CRecentFileList::Clear()
+{
+	m_RecentFiles.RemoveAll();
+}
+
+
+//-----------------------------------------------------------------------------
+// Returns true if there's no files in the file list
+//-----------------------------------------------------------------------------
+bool CRecentFileList::IsEmpty() const
+{
+	return m_RecentFiles.Count() == 0;
+}
+
+	
+//-----------------------------------------------------------------------------
+// Gets the file in a particular slot
+//-----------------------------------------------------------------------------
+const char *CRecentFileList::GetFile( int slot ) const
+{
+	if ( slot < 0 || slot >= m_RecentFiles.Count() )
+		return NULL;
+
+	return m_RecentFiles[slot].m_pFileName;
+}
+
+
+//-----------------------------------------------------------------------------
+// Gets the file in a particular slot
+//-----------------------------------------------------------------------------
+const char *CRecentFileList::GetFileFormat( int slot ) const
+{
+	if ( slot < 0 || slot >= m_RecentFiles.Count() )
+		return NULL;
+
+	return m_RecentFiles[slot].m_pFileFormat;
+}
+
+
+//-----------------------------------------------------------------------------
+// Loads the file list from the registry 
+//-----------------------------------------------------------------------------
+void CRecentFileList::LoadFromRegistry( const char *pToolKeyName )
+{
+	Clear();
+
+	// Iterate in reverse order so most recent files goes to top
+	for ( int i = MAX_RECENT_FILES; i >= 0; --i )
+	{
+		char sz[ 128 ];
+		char szType[ 128 ];
+		Q_snprintf( sz, sizeof( sz ), "%s\\history%02i", pToolKeyName, i ); 
+		Q_snprintf( szType, sizeof( szType ), "%s\\history_fileformat%02i", pToolKeyName, i ); 
+		
+		// NOTE: Can't call registry->ReadString twice in a row!
+		char pFileName[MAX_PATH];
+		Q_strncpy( pFileName, registry->ReadString( sz, "" ), sizeof(pFileName) );
+		if ( pFileName && pFileName[ 0 ] )
+		{
+			const char *valType = registry->ReadString( szType, "" );
+			const char *pFormat = (valType && valType[0]) ? valType : "dmx";
+			Add( pFileName, pFormat );
+		}
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Saves file list into the registry 
+//-----------------------------------------------------------------------------
+void CRecentFileList::SaveToRegistry( const char *pToolKeyName ) const
+{
+	char sz[ 128 ];
+
+	int i, c;
+	c = m_RecentFiles.Count();
+	for ( i = 0 ; i < c; ++i )
+	{
+		Q_snprintf( sz, sizeof( sz ), "%s\\history%02i", pToolKeyName, i ); 
+		registry->WriteString( sz, m_RecentFiles[i].m_pFileName );
+
+		Q_snprintf( sz, sizeof( sz ), "%s\\history_fileformat%02i", pToolKeyName, i ); 
+		registry->WriteString( sz, m_RecentFiles[i].m_pFileFormat );
+	}
+
+	// Clear out all other registry settings
+	for ( ; i < MAX_RECENT_FILES; ++i )
+	{
+		Q_snprintf( sz, sizeof( sz ), "%s\\history%02i", pToolKeyName, i ); 
+		registry->WriteString( sz, "" );
+
+		Q_snprintf( sz, sizeof( sz ), "%s\\history_fileformat%02i", pToolKeyName, i ); 
+		registry->WriteString( sz, "" );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Adds the list of files to a particular menu 
+//-----------------------------------------------------------------------------
+void CRecentFileList::AddToMenu( vgui::Menu *menu, vgui::Panel *pActionTarget, const char *pCommandName ) const
+{
+	int i, c;
+	c = m_RecentFiles.Count();
+	for ( i = 0 ; i < c; ++i )
+	{
+		char sz[ 32 ];
+		Q_snprintf( sz, sizeof( sz ), "%s%02i", pCommandName, i );
+		char const *fn = m_RecentFiles[i].m_pFileName;
+		menu->AddMenuItem( fn, new KeyValues( "Command", "command", sz ), pActionTarget );
+	}
+}