Mixer: Avoid unecessary redraws (hidden widgets, when mixer strips are added). Also, draw fonts of inactive widgets in dimmed color.

FL/Fl_DialX.C

@@ -25,6 +25,7 @@ void
 Fl_DialX::draw ( void )
 {
     int X,Y,S;
+    int act = active_r();
 
     {
     int ox, oy, ww, hh, side;
@@ -68,17 +69,26 @@ Fl_DialX::draw ( void )
     fl_line_style( FL_SOLID, S / 12 );
         
     /* background arc */
-    fl_color( fl_darker( color() ) );
+
+    Fl_Color c = fl_darker( color() ); 
+    if ( !act )
+        c = fl_inactive( c ); 
+    
+    fl_color( c );
     fl_arc( X, Y, S, S, 270 - angle1(), 270 - angle2() );
         
     /* foreground arc */
-    fl_color( selection_color() );
+    c =  selection_color();
-    fl_arc( X, Y, S, S, 270 - angle1(), 270 - angle  );
 
+    if ( !act )
+        c = fl_inactive( c );
+
+    fl_color(c);
+    fl_arc( X, Y, S, S, 270 - angle1(), 270 - angle  );
 
     fl_line_style( FL_SOLID, 0 );
  
-    if ( active_r() )
+    if ( act )
     {
         int W = OS;
         int H = OS;

FL/Fl_SliderX.C

@@ -24,6 +24,8 @@
 void
 Fl_SliderX::draw ( int X, int Y, int W, int H)
 {
+    int act = active_r();
+
     if (damage()&FL_DAMAGE_ALL) draw_box();
     
     double val;
@@ -70,21 +72,29 @@ Fl_SliderX::draw ( int X, int Y, int W, int H)
       fl_push_clip(X, Y, W, H);
       draw_box();
       fl_pop_clip();
-      
-      Fl_Color black = active_r() ? FL_BLACK : FL_INACTIVE_COLOR;
   }
   //draw_bg(X, Y, W, H);
 
   fl_line_style( FL_SOLID, hh/6 );
   
-  fl_color( fl_darker(color()) );
+  Fl_Color c = fl_darker(color());
+
+  if ( !act )
+      c = fl_inactive(c);
+
+  fl_color(c);
 
   if ( horizontal() )
       fl_line ( X + S/2, Y + hh/2, X + W - S/2, Y + hh/2 );
   else
       fl_line ( X + hh/2, Y + S/2, X + hh/2, Y + H - S/2 );
 
-  fl_color( selection_color() );
+  c = selection_color();
+
+  if ( !act )
+      c = fl_inactive(c);
+
+  fl_color( c );
 
   if ( horizontal() )
       fl_line ( X + S/2, ysl, xsl + S/2, ysl );
@@ -93,18 +103,21 @@ Fl_SliderX::draw ( int X, int Y, int W, int H)
   
   fl_line_style( FL_SOLID, 0 );
 
-  fl_push_matrix();
+  if ( act )
-  if ( horizontal() )
+  {
-      fl_translate( xsl + (hh/2), ysl);
+      fl_push_matrix();
-  else
+      if ( horizontal() )
-      fl_translate( xsl, ysl + (hh/2) );
+          fl_translate( xsl + (hh/2), ysl);
+      else
+          fl_translate( xsl, ysl + (hh/2) );
       
-  fl_color( fl_color_add_alpha( FL_WHITE, 127 ));
+      fl_color( fl_color_add_alpha( FL_WHITE, 127 ));
-  fl_begin_polygon(); fl_circle(0.0,0.0, hh/3); fl_end_polygon();
+      fl_begin_polygon(); fl_circle(0.0,0.0, hh/3); fl_end_polygon();
-  fl_color( FL_WHITE );
+      fl_color( FL_WHITE );
-  fl_begin_polygon(); fl_circle(0.0,0.0, hh/6); fl_end_polygon();
+      fl_begin_polygon(); fl_circle(0.0,0.0, hh/6); fl_end_polygon();
       
-  fl_pop_matrix();
+      fl_pop_matrix();
+  }
   
   draw_label(xsl, ysl, wsl, hsl);
 

mixer/src/Mixer.C

@@ -459,7 +459,7 @@ Mixer::load_project_settings ( void )
 {
     reset_project_settings();
 
-    if ( Project::open() )
+//    if ( Project::open() )
 	((Fl_Menu_Settings*)menubar)->load( menubar->find_item( "&Project/Se&ttings" ), "options" );
 
     update_menu();
@@ -481,6 +481,7 @@ Mixer::Mixer ( int X, int Y, int W, int H, const char *L ) :
 //    fl_tooltip_docked = 1;
 
     _rows = 1;
+    _strip_height = 0;
     box( FL_FLAT_BOX );
     labelsize( 96 );
     { Fl_Group *o = new Fl_Group( X, Y, W, 24 );
@@ -540,6 +541,7 @@ Mixer::Mixer ( int X, int Y, int W, int H, const char *L ) :
             Fl_Flowpack *o = mixer_strips = new Fl_Flowpack( X, Y + 24, W, H - ( 18*2 + 24 ));
 //            label( "Non-Mixer" );
             align( (Fl_Align)(FL_ALIGN_CENTER | FL_ALIGN_INSIDE) );
+            o->flow( false );
             o->box( FL_FLAT_BOX );
             o->type( Fl_Pack::HORIZONTAL );
             o->hspacing( 2 );
@@ -731,6 +733,8 @@ Mixer::insert ( Mixer_Strip *ms, Mixer_Strip *before )
 {
 //    mixer_strips->remove( ms );
     mixer_strips->insert( *ms, before );
+
+//    scroll->redraw();
 }
 void
 Mixer::insert ( Mixer_Strip *ms, int i )
@@ -747,6 +751,9 @@ Mixer::move_left ( Mixer_Strip *ms )
 
     if ( i > 0 )
         insert( ms, i - 1 );
+
+    /* FIXME: do better */
+    mixer_strips->redraw();
 }
 
 void
@@ -756,6 +763,9 @@ Mixer::move_right ( Mixer_Strip *ms )
 
     if ( i < mixer_strips->children() - 1 )
         insert( ms, i + 2 );
+
+    /* FIXME: do better */
+    mixer_strips->redraw();
 }
 
 void Mixer::remove ( Mixer_Strip *ms )
@@ -793,27 +803,29 @@ Mixer::rows ( int ideal_rows )
 
     int actual_rows = 1;
 
-    if ( ideal_rows > 1 )
+    /* calculate how many rows will actually fit */
+    int can_fit = scroll->h() / ( Mixer_Strip::min_h() );
+    
+    actual_rows = can_fit > 0 ? can_fit : 1;
+    
+    if ( actual_rows > ideal_rows )
+        actual_rows = ideal_rows;
+    
+    /* calculate strip height */
+    if ( actual_rows > 1 )
     {
-        sh = (scroll->h() / ideal_rows ) - (mixer_strips->vspacing() * (ideal_rows - 1));
+        sh = ( scroll->h() / (float)actual_rows ) - ( mixer_strips->vspacing() * ( actual_rows - 2 ));
-        mixer_strips->flow( true );
+        mixer_strips->flow(true);
-
-	if ( sh < Mixer_Strip::min_h() )
-	  {
-	    int can_fit = ( scroll->h() - 18 ) / Mixer_Strip::min_h();
-
-            actual_rows = can_fit > 0 ? can_fit : 1;
-	  }
-        else
-            actual_rows = ideal_rows;
     }
     else
         actual_rows = 1;
 
     if ( 1 == actual_rows )
     {
-        sh = (scroll->h() - 18);
+      sh = (scroll->h() - 18);
-        mixer_strips->flow(false);
+      mixer_strips->flow( false );
+
+      actual_rows = 1;
     }
 
     int tw = 0;
@@ -1049,8 +1061,6 @@ Mixer::command_load ( const char *path, const char *display_name )
     if ( display_name )
         Project::name( display_name );
     
-    load_project_settings();
-
     load_translations();
 
     update_menu();

mixer/src/Mixer_Strip.C

@@ -745,6 +745,8 @@ Mixer_Strip::handle ( int m )
             if ( dragging == this && ! Fl::event_is_click() )
             {
                 mixer->insert( this, mixer->event_inside() );
+                /* FIXME: do better! */
+                mixer->redraw();
                 dragging = NULL;
                 return 1;
             }

mixer/src/Module.C

@@ -616,6 +616,9 @@ Module::draw_box ( int tx, int ty, int tw, int th )
 
     c = active() && ! bypass() ? c : FL_GRAY;
 
+    if ( ! active_r() )
+        c = fl_inactive( c );
+
     int spacing = w() / instances();
     for ( int i = instances(); i--; )
     {