Add Fl_Sometimes_Input widget and use it for Track names.

FL/Fl_Sometimes_Input.H

@@ -0,0 +1,111 @@
+
+/*******************************************************************************/
+/* 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.  */
+/*******************************************************************************/
+
+
+
+/* Just like an Fl_Input, except that when not being edited it
+ * displays just like a label. */
+
+class Fl_Sometimes_Input : public Fl_Input
+{
+
+    bool _editing;
+
+public:
+
+    Fl_Sometimes_Input ( int X, int Y, int W, int H, const char *L=0 )
+        : Fl_Input( X, Y, W, H, L )
+        {
+            _editing = false;
+        }
+
+    virtual void
+    draw ( void )
+        {
+            if ( _editing )
+                Fl_Input::draw();
+            else
+            {
+                fl_color( FL_WHITE /* textcolor() */ );
+                fl_font( textfont(), textsize() );
+                fl_draw( value(), x(), y(), w(), h(), FL_ALIGN_CENTER );
+            }
+        }
+
+    virtual int
+    handle ( int m )
+        {
+            int r = Fl_Input::handle( m );
+
+            switch ( m )
+            {
+                case FL_FOCUS:
+                    _editing = true;
+                    redraw();
+                    return 1;
+                case FL_PUSH:
+                    _editing = true;
+                    redraw();
+                    return r;
+                case FL_UNFOCUS:
+                    _editing = false;
+                    {
+                        /* lame, but we have to find the next parent
+                         * with a box in order to clear the background
+                         * properly */
+
+                        Fl_Group *g = parent();
+
+                        for ( ; g; g = g->parent() )
+                        {
+                            switch ( g->box() )
+                            {
+                                case FL_NO_BOX:
+                                case FL_UP_FRAME:
+                                case FL_DOWN_FRAME:
+                                case FL_THIN_UP_FRAME:
+                                case FL_THIN_DOWN_FRAME:
+                                case FL_ENGRAVED_FRAME:
+                                case FL_EMBOSSED_FRAME:
+//                                case FL_SHADOW_FRAME:
+//                                case FL_PLASTIC_UP_FRAME:
+//                                case FL_PLASTIC_DOWN_FRAME:
+//                                case FL_ROUNDED_FRAME:
+//                                case FL_OVAL_FRAME:
+                                    continue;
+                                default:
+                                    break;
+                            }
+                            break;
+                        }
+
+                        if ( g )
+                        {
+                            printf( "damaging parent\n" );
+                            g->damage( FL_DAMAGE_EXPOSE, x(), y(), w(), h() );
+                        }
+                    }
+                    redraw();
+                    return r;
+                default:
+                    return r;
+            }
+        }
+
+};

Timeline/Track.C

@@ -27,6 +27,8 @@
 
 #include "Port.H"
 
+#include "../FL/Fl_Sometimes_Input.H"
+
 void
 Track::cb_input_field ( Fl_Widget *w, void *v )
 {
@@ -116,7 +118,7 @@ Track::init ( void )
         Fl_Group *o = new Fl_Group( 2, 2, 149, 70 );
         o->color( ( Fl_Color ) 53 );
         {
-            Fl_Input *o = name_field = new Fl_Input( 2, 2, 144, 24 );
+            Fl_Input *o = name_field = new Fl_Sometimes_Input( 2, 2, 144, 24 );
             o->color( ( Fl_Color ) 33 );
             o->labeltype( FL_NO_LABEL );
             o->labelcolor( FL_GRAY0 );
@@ -124,7 +126,7 @@ Track::init ( void )
 
             o->callback( cb_input_field, (void*)this );
 
-            o->hide();
+//            o->hide();
         }
 
         {
@@ -360,12 +362,13 @@ Track::draw ( void )
     else
         Fl_Group::draw();
 
-    if ( ! name_field->visible() )
-    {
-        fl_color( FL_WHITE );
-        fl_font( FL_HELVETICA, 14 );
-        fl_draw( name_field->value(), name_field->x(), name_field->y(), name_field->w(), name_field->h(), FL_ALIGN_CENTER );
-    }
+/*     if ( ! name_field->visible() ) */
+/*     { */
+/*         fl_color( FL_WHITE ); */
+/*         fl_font( FL_HELVETICA, 14 ); */
+/*         fl_draw( name_field->value(), name_field->x(), name_field->y(), name_field->w(), name_field->h(), FL_ALIGN_CENTER ); */
+/*     } */
+
 }
 
 int