-Updated tooltips: needs some UI work, but backend working fine

src/avtk/avtk_clip_selector.h

@@ -36,6 +36,8 @@
 #include "../eventhandler.hxx"
 
 
+extern void luppp_tooltip(std::string s);
+
 namespace Avtk
 {
 
@@ -383,6 +385,9 @@ class ClipSelector : public Fl_Button
           return 1;
         case FL_ENTER:
           mouseOver = true;
+          // push help string to UI tooltip area
+          luppp_tooltip( "Clip selector" );
+          
           redraw();
           return 1;
         case FL_LEAVE:

src/avtk/avtk_volume.h

@@ -28,6 +28,8 @@
 #include <valarray>
 #include <string>
 
+extern void luppp_tooltip(std::string s);
+
 namespace Avtk
 {
   
@@ -206,6 +208,10 @@ class Volume : public Fl_Slider
             }
           }
           return 1;
+        case FL_ENTER:
+          // push help string to UI tooltip area
+          luppp_tooltip( "Volume" );
+          return 1;
         case FL_RELEASE:
           if (highlight) {
             highlight = 0;

src/gui.cxx

@@ -55,7 +55,10 @@ Gui::Gui() :
   Avtk::Image* headerImage = new Avtk::Image(0,0,1110,36,"header.png");
   headerImage->setPixbuf( header.pixel_data, 4 );
   
-  //tooltipLabel = new Fl_Box(100, 20, 200, 20, "tooltips go here");
+  tooltipLabel = new Fl_Box(90, 15, 200, 20, "");
+  tooltipLabel->labelcolor( FL_LIGHT2 );
+  tooltipLabel->color( FL_DARK2 );
+  
   
   int i = 0;
   for (; i < NTRACKS; i++ )