FileBrowser: added file type VstPluginFile

Added file type VstPluginFile in order to allow loading DLL files by
an according plugin directly from file browser.
(cherry picked from commit e0d352dc2c)

include/file_browser.h

@@ -1,7 +1,7 @@
 /*
  * file_browser.h - include file for fileBrowser
  *
- * Copyright (c) 2004-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
+ * Copyright (c) 2004-2009 Tobias Doerffel <tobydox/at/users.sourceforge.net>
  * 
  * This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
  *
@@ -178,6 +178,7 @@ public:
 		PatchFile,
 		MidiFile,
 		FlpFile,
+		VstPluginFile,
 		UnknownFile,
 		NumFileTypes
 	} ;

src/gui/file_browser.cpp

@@ -435,8 +435,9 @@ void fileBrowserTreeWidget::mousePressEvent( QMouseEvent * _me )
 			m_previewPlayHandle = s;
 			delete tf;
 		}
-		else if( f->handling() == fileItem::LoadAsPreset ||
-				f->handling() == fileItem::LoadByPlugin )
+		else if( f->type() != fileItem::VstPluginFile &&
+				( f->handling() == fileItem::LoadAsPreset ||
+				f->handling() == fileItem::LoadByPlugin ) )
 		{
 			m_previewPlayHandle =
 				new presetPreviewPlayHandle( f->fullName(),
@@ -499,6 +500,14 @@ void fileBrowserTreeWidget::mouseMoveEvent( QMouseEvent * _me )
 									this );
 					break;
 
+				case fileItem::VstPluginFile:
+					new stringPairDrag( "vstplugin",
+								f->fullName(),
+							embed::getIconPixmap(
+								"sample_file" ),
+									this );
+					break;
+
 				default:
 					break;
 			}
@@ -992,6 +1001,11 @@ void fileItem::determineFileType( void )
 		m_type = FlpFile;
 		m_handling = ImportAsProject;
 	}
+	else if( ext == "dll" )
+	{
+		m_type = VstPluginFile;
+		m_handling = LoadByPlugin;
+	}
 	else
 	{
 		m_type = UnknownFile;