* improved concept for file types supported by certain plugins

* various small improvements for an even better ZynAddSubFX integration



git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1520 0778d3d1-df1d-0410-868b-ea421aaaa00d

include/file_browser.h

@@ -174,6 +174,7 @@ public:
 	{
 		ProjectFile,
 		PresetFile,
+		SpecialPresetFile,
 		SampleFile,
 		MidiFile,
 		FlpFile,

include/instrument.h

@@ -62,7 +62,9 @@ public:
 	// to be implemented by actual plugin
 	virtual void playNote( notePlayHandle * _note_to_play,
 					bool _try_parallelizing,
-					sampleFrame * _working_buf ) = 0;
+					sampleFrame * _working_buf )
+	{
+	}
 
 	// needed for deleting plugin-specific-data of a note - plugin has to
 	// cast void-ptr so that the plugin-data is deleted properly

include/instrument_track.h

@@ -90,6 +90,11 @@ public:
 		return( m_instrument );
 	}
 
+	inline instrument * getInstrument( void )
+	{
+		return( m_instrument );
+	}
+
 	void deleteNotePluginData( notePlayHandle * _n );
 
 	// name-stuff

include/plugin.h

@@ -72,6 +72,12 @@ public:
 		int version;
 		PluginTypes type;
 		const pixmapLoader * logo;
+		const char * supportedFileTypes;
+		inline bool supportsFileType( const QString & _ext ) const
+		{
+			return( QString( supportedFileTypes ).
+						split( ',' ).contains( _ext ) );
+		}
 		class EXPORT subPluginFeatures
 		{
 		public:
@@ -128,12 +134,6 @@ public:
 			{
 			}
 
-			virtual const QStringList & supportedExtensions( void )
-			{
-				static QStringList no_extensions;
-				return( no_extensions );
-			}
-
 
 		protected:
 			const plugin::PluginTypes m_type;

include/preset_preview_play_handle.h

@@ -37,7 +37,8 @@ class previewTrackContainer;
 class presetPreviewPlayHandle : public playHandle
 {
 public:
-	presetPreviewPlayHandle( const QString & _preset_file );
+	presetPreviewPlayHandle( const QString & _preset_file,
+						bool _special_preset = false );
 	virtual ~presetPreviewPlayHandle();
 
 	virtual void play( bool _try_parallelizing,