Add new Fl_Flip_Button class.

Fl_Flip_Button.H

@@ -0,0 +1,66 @@
+
+/*******************************************************************************/
+/* Copyright (C) 2008 Jonathan Moore Liles                                     */
+/*                                                                             */
+/* This program is free software; you can redistribute it and/or modify it     */
+/* under the terms of the GNU General Public License as published by the       */
+/* Free Software Foundation; either version 2 of the License, or (at your      */
+/* option) any later version.                                                  */
+/*                                                                             */
+/* This program is distributed in the hope that it will be useful, but WITHOUT */
+/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       */
+/* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for   */
+/* more details.                                                               */
+/*                                                                             */
+/* You should have received a copy of the GNU General Public License along     */
+/* with This program; see the file COPYING.  If not,write to the Free Software */
+/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+/*******************************************************************************/
+
+/* Simple extension of Fl_Button to support different lables for the
+ * two button states. Simpler than using a an Fl_Choice when all you
+ * need is two states. Set the label to "foo/bar" for "foo" to be the
+ * off label and "bar" the on. Obviously you should make sure that
+ * each label will fit. */
+
+#include <FL/Fl_Button.H>
+
+#include <stdlib.h>
+#include <stdio.h>
+
+class Fl_Flip_Button : public Fl_Button
+{
+
+    char *_off;
+    char *_on;
+
+public:
+
+    Fl_Flip_Button ( int X, int Y, int W, int H, const char *L = 0 ) :
+        Fl_Button( X, Y, W, H, 0 )
+        {
+            sscanf( L, "%a[^/]/%as", &_off, &_on );
+
+            type( FL_TOGGLE_BUTTON );
+        }
+
+    virtual ~Fl_Flip_Button ( ) { }
+
+protected:
+
+    virtual void
+    draw ( void )
+        {
+            if ( value() )
+            {
+                if ( label() != _on )
+                    label( _on );
+            }
+            else
+                if ( label() != _off )
+                    label( _off );
+
+            draw_box( box(), x(), y(), w(), h(), value() ? selection_color() : color() );
+            draw_label();
+        }
+};

Mixer_Strip.fl

@@ -8,6 +8,9 @@ decl {\#include "DPM.H"} {public global
 decl {\#include "Fl_Scalepack.H"} {public global
 } 
 
+decl {\#include "Fl_Flip_Button.H"} {public global
+} 
+
 widget_class Mixer_Strip {open
   xywh {1051 42 124 816} type Double box UP_FRAME color 32 selection_color 63 resizable
   code0 {size( 120, h() );} visible
@@ -36,37 +39,42 @@ widget_class Mixer_Strip {open
       private xywh {82 143 35 25} type Toggle
     }
   }
+  Fl_Button {} {
+    label {output/input} selected
+    xywh {52 182 59 25} type Toggle box ROUNDED_BOX color 106 selection_color 65 align 64
+    class Fl_Flip_Button
+  }
   Fl_Group {} {open
-    xywh {13 178 104 509} resizable
+    xywh {8 208 103 471} resizable
   } {
     Fl_Value_Slider gain {
       label Gain
       callback {// parent()->parent()->damage( FL_DAMAGE_ALL, x(), y(), w(), h() );}
-      xywh {14 195 33 471} type {Vert Knob} color 32 selection_color 1 minimum 1.5 maximum 0 step 0.01 value 1 textsize 14
+      xywh {9 208 33 448} type {Vert Knob} color 32 selection_color 1 minimum 1.5 maximum 0 step 0.01 value 1 textsize 14
     }
     Fl_Pack meters_pack {
-      label meters open selected
-      xywh {57 189 59 490} type HORIZONTAL
+      label meters open
+      xywh {52 208 59 471} type HORIZONTAL labeltype NO_LABEL align 0
       class Fl_Scalepack
     } {
       Fl_Box meter {
         label DPM
-        xywh {57 193 28 484} box ROUNDED_BOX selection_color 88
+        xywh {52 208 28 459} box ROUNDED_BOX selection_color 88
         class DPM
       }
       Fl_Box {} {
         label DPM
-        xywh {86 193 30 484} box ROUNDED_BOX selection_color 88
+        xywh {81 208 30 459} box ROUNDED_BOX selection_color 88
         class DPM
       }
       Fl_Box {} {
         label DPM
-        xywh {96 203 20 476} box ROUNDED_BOX selection_color 88
+        xywh {91 208 20 461} box ROUNDED_BOX selection_color 88
         class DPM
       }
       Fl_Box {} {
         label DPM
-        xywh {106 213 20 476} box ROUNDED_BOX selection_color 88
+        xywh {101 208 10 471} box ROUNDED_BOX selection_color 88
         class DPM
       }
     }