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, 25 insertions, 0 deletions

diff --git a/FL/Fl_Spinner.H b/FL/Fl_Spinner.H
index 107bebb3b..bac216e70 100644
--- a/FL/Fl_Spinner.H
+++ b/FL/Fl_Spinner.H
@@ -43,6 +43,7 @@ class FL_EXPORT Fl_Spinner : public Fl_Group {
   double	maximum_;		// Maximum value
   double	step_;			// Amount to add/subtract for up/down
   const char	*format_;		// Format string for input field
+  int		wrap_;			// wrap around at bounds (1/0)
 
 private:
 
@@ -96,6 +97,30 @@ public:
   */
   double step() const { return (step_); }
 
+  /** Sets whether the spinner wraps around at upper and lower bounds.
+
+    If wrap mode is on (default) the spinner value is set to the minimum()
+    or maximum() when the value exceeds the upper or lower bounds, resp.,
+    if the value was changed by one of the buttons.
+
+    If wrap mode is off, the spinner value stops at the upper and lower bounds.
+    \see minimum(), maximum()
+
+    \note This does not apply to the input field. The input value is always
+	  clipped to the allowed range as if wrap mode was off.
+
+    \param[in] set non-zero sets wrap mode, zero resets wrap mode
+
+    \since 1.4.0
+  */
+  void wrap(int set) { wrap_ = set ? 1 : 0; }
+
+  /** Gets the wrap mode of the Fl_Spinner widget.
+    \see void wrap(int)
+    \since 1.4.0
+  */
+  int wrap() const { return wrap_; }
+
   /** Gets the color of the text in the input field. */
   Fl_Color textcolor() const { return (input_.textcolor()); }