Middle mouse click/drag moves scrollbar directly to the mouse position.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@2642 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

CHANGES

@@ -1,5 +1,8 @@
 CHANGES IN FLTK 1.1.0
 
+	- Clicking/dragging the middle mouse button in a
+	  scrollbar now moves directly to that scroll position,
+	  matching the behavior of other toolkits.
 	- Added some more range checking to the Fl_Text_Display
 	  widget.
 	- The editor demo did not correctly update the style

src/Fl_Scrollbar.cxx

@@ -1,5 +1,5 @@
 //
-// "$Id: Fl_Scrollbar.cxx,v 1.7.2.14.2.11 2002/09/04 20:33:18 easysw Exp $"
+// "$Id: Fl_Scrollbar.cxx,v 1.7.2.14.2.12 2002/09/28 12:04:12 easysw Exp $"
 //
 // Scroll bar widget for the Fast Light Tool Kit (FLTK).
 //
@@ -93,7 +93,8 @@ int Fl_Scrollbar::handle(int event) {
     if (val >= 1.0) sliderx = ww-S;
     else if (val <= 0.0) sliderx = 0;
     else sliderx = int(val*(ww-S)+.5);
-    if (relx < sliderx) area = 5;
+    if (Fl::event_button() == FL_MIDDLE_MOUSE) area = 8;
+    else if (relx < sliderx) area = 5;
     else if (relx >= sliderx+S) area = 6;
     else area = 8;
   }
@@ -248,5 +249,5 @@ Fl_Scrollbar::Fl_Scrollbar(int X, int Y, int W, int H, const char* L)
 }
 
 //
-// End of "$Id: Fl_Scrollbar.cxx,v 1.7.2.14.2.11 2002/09/04 20:33:18 easysw Exp $".
+// End of "$Id: Fl_Scrollbar.cxx,v 1.7.2.14.2.12 2002/09/28 12:04:12 easysw Exp $".
 //