Mixer: Make spatializer view options song global.

mixer/src/Panner.C

@@ -32,6 +32,8 @@
 /* 2D Panner widget. Supports various multichannel configurations. */
 
 Panner::Point *Panner::drag;
+int Panner::_range_mode = 1;
+int Panner::_projection_mode = 0;
 
 Panner::Panner ( int X, int Y, int W, int H, const char *L ) :
     Fl_Group( X, Y, W, H, L )
@@ -51,7 +53,8 @@ Panner::Panner ( int X, int Y, int W, int H, const char *L ) :
         o->add("5 Meters",0,0,&ranges[1]);
         o->add("10 Meters",0,0,&ranges[2]);
         o->add("15 Meters",0,0,&ranges[3]);
-        o->value(1);
+        o->value(_range_mode);
+        o->callback( cb_mode, this );
     }
 
     { Fl_Choice *o = _projection_choice = new Fl_Choice(X + W - 75,Y + H - 18,75,18,"Projection:");
@@ -62,7 +65,8 @@ Panner::Panner ( int X, int Y, int W, int H, const char *L ) :
         o->align(FL_ALIGN_LEFT);
         o->add("Spherical");
         o->add("Planar");
-        o->value(0);
+        o->value(_projection_mode);
+        o->callback( cb_mode, this );
     }
                   
     end();
@@ -89,12 +93,29 @@ static int find_numeric_menu_item( const Fl_Menu_Item *menu, int n )
     return -1;
 }
 
+void
+Panner::cb_mode ( Fl_Widget *w, void *v )
+{
+    ((Panner*)v)->cb_mode( w );
+}
+
+void
+Panner::cb_mode ( Fl_Widget *w )
+{
+    if ( w == _range_choice )
+        _range_mode = _range_choice->value();
+    else if ( w == _projection_choice )
+        _projection_mode = _projection_choice->value();
+}
+
 void
 Panner::range ( float v )
 {
     int i = find_numeric_menu_item( _range_choice->menu(), v );
     
     _range_choice->value( i );
+
+    _range_mode = i;
 }
 
 /** set X, Y, W, and H to the bounding box of point /p/ in screen coords */
@@ -435,6 +456,8 @@ Panner::handle ( int m )
     {
         case FL_ENTER:
         case FL_LEAVE:
+            _projection_choice->value(_projection_mode);
+            _range_choice->value(_range_mode);
             redraw();
             return 1;
         case FL_PUSH:

mixer/src/Panner.H

@@ -36,6 +36,9 @@ class Panner : public Fl_Group
     Fl_Image *_bg_image[2]; 
     void draw_grid( int,int,int,int);
     void draw_the_box( int, int, int, int );
+    
+    static int _range_mode;
+    static int _projection_mode;
 
 public:
 
@@ -168,8 +171,9 @@ private:
     void project_polar ( const Point *p, float *X, float *Y, float *S ) const;
     void project_ortho ( const Point *p, float *X, float *Y, float *S ) const;
 
-    int _projection;
-    
+    static void cb_mode ( Fl_Widget *w, void *v );
+    void cb_mode ( Fl_Widget *w );
+            
 protected:
 
     virtual void draw ( void );
@@ -179,12 +183,12 @@ public:
 
     enum { POLAR, ORTHO };
     
-    int projection ( void ) const { return _projection_choice->value(); }
-    void projection ( int v ) { _projection_choice->value(v); }
+    int projection ( void ) const { return _projection_mode; }
+    void projection ( int v ) { _projection_choice->value(v); _projection_mode = v; }
 
     Panner ( int X, int Y, int W, int H, const char *L = 0 );
 
-    float range ( void ) const { return *((int*)_range_choice->mvalue()->user_data()); }
+    float range ( void ) const { return *((int*)_range_choice->menu()[_range_mode].user_data()); }
     void range ( float v );
 
     void clear_points ( void ) { _points.clear(); }