From 1b77346dedcef11a41fc3a7c77bb26dc7735f613 Mon Sep 17 00:00:00 2001
From: Tobias Doerffel <tobias.doerffel@gmail.com>
Date: Tue, 14 Apr 2009 00:00:29 +0200
Subject: [PATCH] VeSTige: added support for d'n'd DLL files onto VeSTige
 instrument

This commit allows the user to drag'n'drop DLL files onto VeSTige
instrument. Furthermore VeSTige now registers itself as handler for
loading DLL files.
---
 plugins/vestige/vestige.cpp | 52 ++++++++++++++++++++++++++++++++++---
 plugins/vestige/vestige.h   |  6 +++--
 2 files changed, 52 insertions(+), 6 deletions(-)

diff --git a/plugins/vestige/vestige.cpp b/plugins/vestige/vestige.cpp
index 6241b7e83..85f48e8c5 100644
--- a/plugins/vestige/vestige.cpp
+++ b/plugins/vestige/vestige.cpp
@@ -25,6 +25,7 @@
 
 #include "vestige.h"
 
+#include <QtGui/QDropEvent>
 #include <QtGui/QFileDialog>
 #include <QtGui/QMessageBox>
 #include <QtGui/QPainter>
@@ -37,6 +38,7 @@
 #include "instrument_track.h"
 #include "vst_plugin.h"
 #include "pixmap_button.h"
+#include "string_pair_drag.h"
 #include "text_float.h"
 #include "tooltip.h"
 
@@ -57,7 +59,7 @@ plugin::descriptor vestige_plugin_descriptor =
 	0x0100,
 	plugin::Instrument,
 	new pluginPixmapLoader( "logo" ),
-	NULL,
+	"dll",
 	NULL
 } ;
 
@@ -252,7 +254,7 @@ vestigeInstrumentView::vestigeInstrumentView( instrument * _instrument,
 	}
 
 	m_openPluginButton = new pixmapButton( this, "" );
-	m_openPluginButton->setCheckable( FALSE );
+	m_openPluginButton->setCheckable( false );
 	m_openPluginButton->setCursor( Qt::PointingHandCursor );
 	m_openPluginButton->move( 218, 79 );
 	m_openPluginButton->setActiveGraphic( PLUGIN_NAME::getIconPixmap(
@@ -285,6 +287,8 @@ vestigeInstrumentView::vestigeInstrumentView( instrument * _instrument,
 	note_off_all_btn->setFont( pointSize<8>( note_off_all_btn->font() ) );
 	connect( note_off_all_btn, SIGNAL( clicked() ), this,
 							SLOT( noteOffAll() ) );
+
+	setAcceptDrops( true );
 }
 
 
@@ -391,6 +395,46 @@ void vestigeInstrumentView::noteOffAll( void )
 
 
 
+void vestigeInstrumentView::dragEnterEvent( QDragEnterEvent * _dee )
+{
+	if( _dee->mimeData()->hasFormat( stringPairDrag::mimeType() ) )
+	{
+		QString txt = _dee->mimeData()->data(
+						stringPairDrag::mimeType() );
+		if( txt.section( ':', 0, 0 ) == "vstplugin" )
+		{
+			_dee->acceptProposedAction();
+		}
+		else
+		{
+			_dee->ignore();
+		}
+	}
+	else
+	{
+		_dee->ignore();
+	}
+}
+
+
+
+
+void vestigeInstrumentView::dropEvent( QDropEvent * _de )
+{
+	QString type = stringPairDrag::decodeKey( _de );
+	QString value = stringPairDrag::decodeValue( _de );
+	if( type == "vstplugin" )
+	{
+		m_vi->loadFile( value );
+		_de->accept();
+		return;
+	}
+	_de->ignore();
+}
+
+
+
+
 void vestigeInstrumentView::paintEvent( QPaintEvent * )
 {
 	QPainter p( this );
@@ -403,7 +447,7 @@ void vestigeInstrumentView::paintEvent( QPaintEvent * )
 					:
 				tr( "No VST-plugin loaded" );
 	QFont f = p.font();
-	f.setBold( TRUE );
+	f.setBold( true );
 	p.setFont( pointSize<10>( f ) );
 	p.setPen( QColor( 32, 160, 54 ) );
 
@@ -413,7 +457,7 @@ void vestigeInstrumentView::paintEvent( QPaintEvent * )
 	if( m_vi->m_plugin != NULL )
 	{
 		p.setPen( QColor( 251, 41, 8 ) );
-		f.setBold( FALSE );
+		f.setBold( false );
 		p.setFont( pointSize<8>( f ) );
 		p.drawText( 10, 114, tr( "by" ) + " " +
 					m_vi->m_plugin->vendorString() );
diff --git a/plugins/vestige/vestige.h b/plugins/vestige/vestige.h
index 05d034d44..75d6ed5b3 100644
--- a/plugins/vestige/vestige.h
+++ b/plugins/vestige/vestige.h
@@ -1,7 +1,7 @@
 /*
  * vestige.h - instrument VeSTige for hosting VST-plugins
  *
- * Copyright (c) 2005-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * Copyright (c) 2005-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
  * 
  * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
  *
@@ -98,11 +98,13 @@ public:
 
 protected slots:
 	void openPlugin( void );
-	void noteOffAll( void );
 	void toggleGUI( void );
+	void noteOffAll( void );
 
 
 protected:
+	virtual void dragEnterEvent( QDragEnterEvent * _dee );
+	virtual void dropEvent( QDropEvent * _de );
 	virtual void paintEvent( QPaintEvent * _pe );