New method Fl_Spinner::wrap(int) to set wrap mode at bounds (STR #3365).

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12190 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

1 files changed, 16 insertions, 9 deletions

diff --git a/src/Fl_Spinner.cxx b/src/Fl_Spinner.cxx
index b9b08efa8..220ac1698 100644
--- a/src/Fl_Spinner.cxx
+++ b/src/Fl_Spinner.cxx
@@ -31,7 +31,7 @@
   change the value.
 */
 
-void  Fl_Spinner::sb_cb(Fl_Widget *w, Fl_Spinner *sb) {
+void Fl_Spinner::sb_cb(Fl_Widget *w, Fl_Spinner *sb) {
   double v;				// New value
 
   if (w == &(sb->input_)) {
@@ -48,18 +48,24 @@ void  Fl_Spinner::sb_cb(Fl_Widget *w, Fl_Spinner *sb) {
   } else if (w == &(sb->up_button_)) {
     // Up button pressed...
     v = sb->value_ + sb->step_;
-
-    if (v > sb->maximum_) sb->value_ = sb->minimum_;
-    else sb->value_ = v;
-
+    if (v > sb->maximum_) {
+      if (sb->wrap_)
+	v = sb->minimum_;
+      else
+	v = sb->maximum_;
+    }
+    sb->value_ = v;
     sb->update();
   } else if (w == &(sb->down_button_)) {
     // Down button pressed...
     v = sb->value_ - sb->step_;
-
-    if (v < sb->minimum_) sb->value_ = sb->maximum_;
-    else sb->value_ = v;
-
+    if (v < sb->minimum_) {
+      if (sb->wrap_)
+	v = sb->maximum_;
+      else
+	v = sb->minimum_;
+    }
+    sb->value_ = v;
     sb->update();
   }
 
@@ -110,6 +116,7 @@ Fl_Spinner::Fl_Spinner(int X, int Y, int W, int H, const char *L)
   minimum_ = 1.0;
   maximum_ = 100.0;
   step_    = 1.0;
+  wrap_    = 1;
   format_  = "%g";
 
   align(FL_ALIGN_LEFT);