Initial import of knmap 2.1 sources

1 files changed, 194 insertions, 0 deletions

diff --git a/src/scanstack.cpp b/src/scanstack.cpp
new file mode 100644
index 0000000..7a49900
--- /dev/null
+++ b/src/scanstack.cpp
@@ -0,0 +1,194 @@
+/***************************************************************************
+ *                                                                         *
+ *   Copyright (C) 2005, 2006 by Kevin Gilbert                             *
+ *   kev.gilbert@cdu.edu.au                                                *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ *                                                                         *
+ ***************************************************************************/
+
+#include <qdict.h>
+
+#include <kdebug.h>
+#include <klocale.h>
+
+#include "htmlwidget.h"
+#include "scanstack.h"
+#include "scanwidget.h"
+
+//	constructor
+//	===========
+
+ScanStack::ScanStack( QWidget* parent, const char* name )
+: QWidgetStack( parent, name ),
+  m_dictSize( 29 ),
+  m_firstScanWidget( NULL ),
+  m_widgetId( 1 )
+{	m_scanWidgetDict = new QDict<ScanWidget>( m_dictSize );
+	m_scanWidgetDict->setAutoDelete( true );
+}
+
+//	appendAndRaiseWidget
+//	====================
+
+void ScanStack::appendAndRaiseWidget( ScanWidget* scanWidget )
+{	addWidget( scanWidget, m_widgetId );
+	raiseWidget( m_widgetId );
+	m_widgetId++;
+
+	if( m_firstScanWidget == NULL )
+		m_firstScanWidget = scanWidget;
+
+	ushort index = m_scanWidgetDict->count( );
+
+	if( index == m_dictSize )
+	{	m_dictSize *= 2;		// yes - i know it's supposed to be prime!
+		m_scanWidgetDict->resize( m_dictSize );
+	}
+
+	m_scanWidgetDict->insert( QString::number( index ), scanWidget );
+}
+
+//	appendHTMLWidget
+//	================
+
+void ScanStack::appendHTMLWidget( HTMLWidget* htmlWidget )
+{	ASSERT( m_widgetId == 1 );
+	addWidget( (QWidget*) htmlWidget, m_widgetId++ );
+}
+
+//	findScanWidget
+//	==============
+
+short ScanStack::findScanWidget( const ScanWidget* scanWidget )
+{	ushort i;
+
+	for( resetScanWidgets( i ); moreScanWidgets( i ); nextScanWidget( i ))
+		if( scanWidget == currentScanWidget( i ))
+			return i;
+
+	return -1;
+}
+
+//	indexOfVisibleScanWidget
+//	========================
+
+short ScanStack::indexOfVisibleScanWidget( )
+{	ushort i;
+
+	for( resetScanWidgets( i ); moreScanWidgets( i ); nextScanWidget( i ))
+		if( isVisibleWidget( currentScanWidget( i )))
+			break;
+
+	if( !moreScanWidgets( i ))
+	{	ASSERT( false );
+		return -1;
+	}
+
+	return i;
+}
+
+//	makeScanWidgetVisible
+//	=====================
+
+ScanWidget* ScanStack::makeScanWidgetVisible( const ushort index )
+{	ScanWidget* current = scanWidget( index );
+
+	if( current == NULL )
+		ASSERT( false );
+	else
+	{	current->ignoreTabChanges( true );
+		raiseWidget( current );
+		current->ignoreTabChanges( false );
+	}
+
+	return current;
+}
+
+//	moveScanWidget
+//	==============
+
+ScanWidget* ScanStack::moveScanWidget( const ushort fromIndex )
+{	short toIndex = indexOfVisibleScanWidget( );
+
+	if( toIndex < 0 )
+		return NULL;
+
+	ScanWidget* scanWidget = m_scanWidgetDict->take( QString::number( fromIndex ));
+
+	if( fromIndex < toIndex )
+		for( ushort index = fromIndex + 1; index <= toIndex; index++ )
+		{	ScanWidget* scanWidget = m_scanWidgetDict->take( QString::number( index ));
+			m_scanWidgetDict->insert( QString::number( index - 1 ), scanWidget );
+		}
+	else
+		for( short index = fromIndex - 1; index >= toIndex; index-- )
+		{	ScanWidget* scanWidget = m_scanWidgetDict->take( QString::number( index ));
+			m_scanWidgetDict->insert( QString::number( index + 1 ), scanWidget );
+		}
+
+	m_scanWidgetDict->insert( QString::number( toIndex ), scanWidget );
+	return scanWidget;
+}
+
+//	removeScanWidget
+//	================
+
+void ScanStack::removeScanWidget( ScanWidget* scanWidgetToRemove )
+{	ushort n = m_scanWidgetDict->count( );
+
+	if( n == 1 )
+		return;
+
+	short index = findScanWidget( scanWidgetToRemove );
+
+	if( index < 0 )
+	{	ASSERT( false );
+		return;
+	}
+
+	m_scanWidgetDict->remove( QString::number( index ));
+
+	for( ushort i = index + 1; i < n; i++ )
+	{	ScanWidget* scanWidget = m_scanWidgetDict->take( QString::number( i ));
+		m_scanWidgetDict->insert( QString::number( i - 1 ), scanWidget );
+	}
+
+	if( index >=short( m_scanWidgetDict->count( )))
+		index = m_scanWidgetDict->count( ) - 1;
+
+	ScanWidget* newVisibleWidget = scanWidget( index );
+	newVisibleWidget->ignoreTabChanges( true );
+	raiseWidget( newVisibleWidget );
+	newVisibleWidget->ignoreTabChanges( false );
+}
+
+//	visibleWidget
+//	=============
+
+ScanWidget* ScanStack::visibleWidget( )
+{	return (ScanWidget*) QWidgetStack::visibleWidget( );
+}
+
+//	wrapText
+//	========
+
+void ScanStack::wrapText( const bool wrap )
+{	ushort i;
+
+	for( resetScanWidgets( i ); moreScanWidgets( i ); nextScanWidget( i ))
+		currentScanWidget( i )->wrapText( wrap );
+}