Don't fail if instrument definitions cannot be found. Use C Major as default mapping.

TODO

@@ -5,6 +5,7 @@
 
 ; General
 
+* show playback progress on playlist.
 * per phrase tempo setting? Perhaps a percentage of global tempo?
 * add channel field to event list widget (but channel bits in pattern
    event lists are currently meaningless.)

canvas.C

@@ -89,24 +89,13 @@ Canvas::handle_event_change ( void )
 }
 
 /** change grid to /g/, returns TRUE if new grid size differs from old */
-bool
+void
 Canvas::grid ( Grid *g )
 {
-    bool r = false;
-
-    if ( m.grid )
-    {
-    }
-
     m.grid = g;
 
     if ( ! g )
-        return false;
-
-    if ( m.vp )
-        if ( m.vp->w != g->viewport.w ||
-             m.vp->h != g->viewport.h )
-            r = true;
+        return;
 
     m.vp = &g->viewport;
 
@@ -114,11 +103,11 @@ Canvas::grid ( Grid *g )
     DEBUG( "viewport: %s", s );
     free( s );
 
-    m.mapping_drawn = m.ruler_drawn = false;
+    m.ruler_drawn = false;
 
     resize_grid();
 
-    _update_row_mapping();
+    changed_mapping();
 
     m.shape = m.grid->draw_shape();
 
@@ -129,8 +118,6 @@ Canvas::grid ( Grid *g )
 
     signal_draw();
     signal_settings_change();
-
-    return r;
 }
 
 /** keep row compaction tables up-to-date */

canvas.H

@@ -124,7 +124,7 @@ public:
 
     void handle_event_change ( void );
     void set ( int x, int y );
-    bool grid ( Grid *g );
+    void grid ( Grid *g );
     void changed_mapping ( void );
     Grid * grid ( void );
     void resize ( void );

gui/ui.fl

@@ -636,18 +636,18 @@ if ( 0 == strncmp( picked, "Scale", strlen( "Scale" ) ) )
 	pattern_c->changed_mapping();
 
 	pattern_key_combo->activate();
-}}
+}} open selected
                 xywh {609 734 30 24} labeltype NO_LABEL
                 code0 {update_mapping_menu();}
               } {
-                Submenu mapping_instrument_menu {
-                  label Instrument open
-                  xywh {10 10 74 25}
-                } {}
                 Submenu mapping_scale_menu {
                   label Scale open
                   xywh {25 25 74 25}
                 } {}
+                Submenu mapping_instrument_menu {
+                  label Instrument open
+                  xywh {10 10 74 25}
+                } {}
               }
               Fl_Choice pattern_key_combo {
                 label {&Key}
@@ -1058,8 +1058,7 @@ if ( g->notes() )
 else
 	pattern_notes_buffer->text( strdup( "" ) );} {}
   }
-  Function {update_phrase_widgets()} {open
-  } {
+  Function {update_phrase_widgets()} {} {
     code {phrase *g = (phrase *)phrase_c->grid();
 
 if ( ! g )
@@ -1075,8 +1074,7 @@ if ( g->notes() )
 else
 	phrase_notes_buffer->text( strdup( "" ) );} {}
   }
-  Function {update_sequence_widgets()} {open
-  } {
+  Function {update_sequence_widgets()} {} {
     code {if ( playlist->notes() )
 	sequence_notes_buffer->text( playlist->notes() );
 else
@@ -1121,17 +1119,22 @@ o->value( val );
 
 free( s );} {}
   }
-  Function {update_mapping_menu()} {} {
+  Function {update_mapping_menu()} {open
+  } {
     code {char **sa = Instrument::listing();
 
-for ( int i = 0; sa[i]; i++ )
+if ( sa )
 {
+
+	for ( int i = 0; sa[i]; i++ )
+	{
 		char pat[512];
 		snprintf( pat, 512, "Instrument/%s", sa[i] );
 		mapping_menu->add( pat, 0, 0, 0, 0 );
 		free( sa[i] );
+	}
+	free( sa );
 }
-free( sa );
 
 sa = Scale::listing();
 for ( int i = 0; sa[i]; i++ )
@@ -1151,7 +1154,7 @@ free( sa );} {}
 if ( phrase_c->grid() )
 	ui->update_phrase_widgets();} {}
   }
-  Function {find_numeric_menu_item( const Fl_Menu_Item *menu, int n )} {open return_type {static int}
+  Function {find_numeric_menu_item( const Fl_Menu_Item *menu, int n )} {return_type {static int}
   } {
     code {for ( unsigned int i = 0; menu[i].text; i++ )
 {
@@ -1161,7 +1164,7 @@ if ( phrase_c->grid() )
 
 return 0;} {}
   }
-  Function {save_dialog( const char *name )} {open return_type void
+  Function {save_dialog( const char *name )} {return_type void
   } {
     code {if ( ! name )
 {
@@ -1183,7 +1186,7 @@ return 0;} {}
 if ( ! save_song( name ) )
 	fl_alert( "Could not save song" );} {}
   }
-  Function {show_help_dialog( const char *file )} {open return_type void
+  Function {show_help_dialog( const char *file )} {return_type void
   } {
     code {char pat[256];
 
@@ -1198,10 +1201,9 @@ help->load( pat );
 help->show();
 
 // FIXME: need to delete it somehow.
-//  help->show(1, argv);} {selected
+//  help->show(1, argv);} {}
   }
-  }
-  Function {maybe_save_song()} {open return_type bool
+  Function {maybe_save_song()} {return_type bool
   } {
     code {if ( song.dirty )
 {
@@ -1222,7 +1224,7 @@ help->show();
 
 return true;} {}
   }
-  Function {switch_to_pattern( int n )} {open return_type void
+  Function {switch_to_pattern( int n )} {return_type void
   } {
     code {pattern *p = pattern::pattern_by_number( n );
 

pattern.C

@@ -53,7 +53,8 @@ pattern::pattern ( void )
 
     d->length = x_to_ts( _bpb * _ppqn * _bars );
 
-    mapping.open( Mapping::INSTRUMENT, "Default" );
+//    mapping.open( Mapping::INSTRUMENT, "Default" );
+    mapping.open( Mapping::SCALE, "Major" );
 
     _add();