Rename a lot of files

* about_dialog -> AboutDialog
* bb_editor -> BBEditor
* export_project_dialog -> ExportProjectDialog
* setup_dialog -> SetupDialog
* string_pair_drag -> StringPairDrag

src/gui/StringPairDrag.cpp

@@ -0,0 +1,123 @@
+/*
+ * StringPairDrag.cpp - class stringPairDrag which provides general support
+ *                        for drag'n'drop of string-pairs and which is the base
+ *                        for all drag'n'drop-actions within LMMS
+ *
+ * Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ *
+ * This file is part of LMMS - http://lmms.io
+ *
+ * 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 (see COPYING); if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301 USA.
+ *
+ */
+
+
+#include <QMimeData>
+#include <QDragEnterEvent>
+#include <QDropEvent>
+
+
+#include "StringPairDrag.h"
+#include "Engine.h"
+#include "MainWindow.h"
+
+
+stringPairDrag::stringPairDrag( const QString & _key, const QString & _value,
+					const QPixmap & _icon, QWidget * _w ) :
+	QDrag( _w )
+{
+	if( _icon.isNull() && _w )
+	{
+		setPixmap( QPixmap::grabWidget( _w ).scaled(
+						64, 64,
+						Qt::KeepAspectRatio,
+						Qt::SmoothTransformation ) );
+	}
+	else
+	{
+		setPixmap( _icon );
+	}
+	QString txt = _key + ":" + _value;
+	QMimeData * m = new QMimeData();
+	m->setData( mimeType(), txt.toLatin1() );
+	setMimeData( m );
+	start( Qt::IgnoreAction );
+}
+
+
+
+
+stringPairDrag::~stringPairDrag()
+{
+	// during a drag, we might have lost key-press-events, so reset
+	// modifiers of main-win
+	if( Engine::mainWindow() )
+	{
+		Engine::mainWindow()->clearKeyModifiers();
+	}
+}
+
+
+
+
+bool stringPairDrag::processDragEnterEvent( QDragEnterEvent * _dee,
+						const QString & _allowed_keys )
+{
+	if( !_dee->mimeData()->hasFormat( mimeType() ) )
+	{
+		return( false );
+	}
+	QString txt = _dee->mimeData()->data( mimeType() );
+	if( _allowed_keys.split( ',' ).contains( txt.section( ':', 0, 0 ) ) )
+	{
+		_dee->acceptProposedAction();
+		return( true );
+	}
+	_dee->ignore();
+	return( false );
+}
+
+
+
+
+QString stringPairDrag::decodeMimeKey( const QMimeData * mimeData )
+{
+	return( QString( mimeData->data( mimeType() ) ).section( ':', 0, 0 ) );
+}
+
+
+
+
+QString stringPairDrag::decodeMimeValue( const QMimeData * mimeData )
+{
+	return( QString( mimeData->data( mimeType() ) ).section( ':', 1, -1 ) );
+}
+
+
+
+
+QString stringPairDrag::decodeKey( QDropEvent * _de )
+{
+	return decodeMimeKey( _de->mimeData() );
+}
+
+
+
+
+QString stringPairDrag::decodeValue( QDropEvent * _de )
+{
+	return decodeMimeValue( _de->mimeData() );
+}