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

Conflicts:
	mixer/src/Mixer.C

FL/Fl_Sometimes_Input.H

@@ -52,7 +52,11 @@ public:
             else
             {
                 fl_draw_box( up_box(), x(), y(), w(), h(), color() );
-                fl_color( fl_contrast( textcolor(), color() ) );
+
+                Fl_Color c = fl_contrast( textcolor(), color() );
+
+                fl_color( active_r() ? c : fl_inactive( c ) );
+
                 fl_font( textfont(), textsize() );
                 fl_draw( value(), x(), y(), w(), h(), (Fl_Align)(FL_ALIGN_CENTER | FL_ALIGN_CLIP) );
             }

mixer/src/Controller_Module.C

@@ -566,6 +566,7 @@ Controller_Module::handle_control_changed ( Port *p )
         pan->point( 0 )->azimuth( control_output[0].control_value() );
         pan->point( 0 )->elevation( control_output[1].control_value() );
 
+        if ( visible_r() )
             pan->redraw();
     }
     else

mixer/src/DPM.H

@@ -84,7 +84,7 @@ public:
     void pixels_per_segment ( int v ) { _pixels_per_segment = v; }
 
     float dim ( void ) const { return _dim; }
-    void dim ( float v ) { _dim = v; redraw(); }
+    void dim ( float v ) { _dim = v; if ( visible_r() ) redraw(); }
 
     static
     void

mixer/src/Meter.H

@@ -83,6 +83,7 @@ public:
 
     virtual void value ( float v )
         {
+            if ( visible_r() )
                 damage( FL_DAMAGE_USER1 );
 
             _value = v;

mixer/src/Mixer.C

@@ -422,7 +422,7 @@ 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();
@@ -491,6 +491,7 @@ 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 - 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 );
@@ -563,13 +564,12 @@ void Mixer::add ( Mixer_Strip *ms )
 
     mixer_strips->add( ms );
 
+    ms->size( ms->w(), _strip_height );
+   ms->redraw();
    ms->take_focus();
-
-    rows( _rows );
-
-//    scroll->redraw();
 }
 
+
 void
 Mixer::quit ( void )
 {
@@ -582,10 +582,10 @@ Mixer::quit ( void )
 void
 Mixer::insert ( Mixer_Strip *ms, Mixer_Strip *before )
 {
-    mixer_strips->remove( ms );
+//    mixer_strips->remove( ms );
     mixer_strips->insert( *ms, before );
 
-    scroll->redraw();
+//    scroll->redraw();
 }
 void
 Mixer::insert ( Mixer_Strip *ms, int i )
@@ -646,31 +646,26 @@ Mixer::rows ( int ideal_rows )
 {
     int sh;
 
-    int actual_rows = 1;
+    int actual_rows;
 
-    if ( ideal_rows > 1 )
-    {
-        sh = (scroll->h() / ideal_rows ) - (mixer_strips->vspacing() * (ideal_rows - 1));
-        mixer_strips->flow( true );
-
-	if ( sh < Mixer_Strip::min_h() )
-	  {
-	    int can_fit = ( scroll->h() - 18 ) / Mixer_Strip::min_h();
+    /* calculate how many rows will actually fit */
+    int can_fit = scroll->h() / ( 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 )
+    if ( actual_rows > ideal_rows )
+        actual_rows = ideal_rows;
+    
+    /* calculate strip height */
+    if ( actual_rows > 1 )
+    {
+        sh = ( scroll->h() / (float)actual_rows ) - ( mixer_strips->vspacing() * ( actual_rows - 2 ));
+        mixer_strips->flow(true);
+    }
+    else
     {
         sh = (scroll->h() - 18);
         mixer_strips->flow(false);
-
-      actual_rows = 1;
     }
 
     int tw = 0;
@@ -691,7 +686,11 @@ Mixer::rows ( int ideal_rows )
 
     _rows = ideal_rows;
     
+    if ( _strip_height != sh );
+    {
         scroll->redraw();
+        _strip_height = sh;
+    }
 }
 
 /** retrun a pointer to the track named /name/, or NULL if no track is named /name/ */
@@ -851,6 +850,10 @@ Mixer::command_load ( const char *path, const char *display_name )
 {
     mixer->deactivate();
 
+    chdir( path );
+
+    load_project_settings();
+
     if ( Project::open( path ) )
     {
         // fl_alert( "Error opening project specified on commandline: %s", Project::errstr( err ) );

mixer/src/Mixer.H

@@ -47,6 +47,7 @@ private:
     float _update_interval;
 
     int _rows;
+    int _strip_height;
 
     Fl_Color system_colors[3];
 

mixer/src/Mixer_Strip.C

@@ -518,7 +518,7 @@ Mixer_Strip::init ( )
 
     size( 96, h() );
 
-    redraw();
+//    redraw();
 
     //  _chain->configure_ports();
 }
@@ -526,15 +526,10 @@ Mixer_Strip::init ( )
 void
 Mixer_Strip::draw ( void )
 {
-    if ( !fl_not_clipped( x(), y(), w(), h() ) )
-        return;
-
      /* don't bother drawing anything else, all we're doing is drawing the focus. */
-    if ( damage() & FL_DAMAGE_ALL ||
-         damage() & FL_DAMAGE_CHILD )
+    if ( damage() & ~FL_DAMAGE_USER1 )
         Fl_Group::draw();
     
-
     fl_color(  Fl::focus() == this ? Fl_Group::selection_color() : FL_BLACK ); 
     fl_rect( x(), y(), w(), h() );
 }

mixer/src/Mixer_Strip.H

@@ -53,7 +53,7 @@ class Mixer_Strip : public Fl_Group, public Loggable {
 
 public:
 
-    static int min_h ( void ) { return 336; }
+    static int min_h ( void ) { return 333; }
 
     Mixer_Strip( const char *strip_name );
     Mixer_Strip();                                              /* for log create */

mixer/src/Module.C

@@ -577,7 +577,9 @@ Module::draw_label ( int tx, int ty, int tw, int th )
 
     const char *lp = label();
 
-    fl_color( fl_contrast( FL_FOREGROUND_COLOR, bypass() ? FL_BLACK : color() ) );
+    Fl_Color c = fl_contrast( FL_FOREGROUND_COLOR, bypass() ? FL_BLACK : color() );
+
+    fl_color( active_r() ? c : fl_inactive(c) );
 
     fl_font( FL_HELVETICA, 12 );