diff options
Diffstat (limited to 'documentation/Fl_Valuator.html')
| -rw-r--r-- | documentation/Fl_Valuator.html | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/documentation/Fl_Valuator.html b/documentation/Fl_Valuator.html index b2dc188b0..dc8dcefa5 100644 --- a/documentation/Fl_Valuator.html +++ b/documentation/Fl_Valuator.html @@ -97,11 +97,22 @@ turned off by <TT>value(x)</TT> and just before doing a callback <H4><A name=Fl_Valuator.format>int Fl_Valuator::format(char *buffer)</A></H4> +<P>Uses internal rules to format the fields numerical value into +the character array pointed to by the passed parameter.</P> + +<P>The actual format used depends on the current step value. If +the step value has been set to zero then a %g format is used. +If the step value is non-zero, then a %.*f format is used, +where the precision is calculated to show sufficient digits +for the current step value. An integer step value, such as 1 +or 1.0, gives a precision of 0, so the formatted value will +appear as an integer.</P> + <P>This method is used by the <TT>Fl_Value_...</TT> group of widgets to format the current value into a text string. The return value is the length of the formatted text. -The text itself is returned in <i>buffer</i>. -<i>buffer</i> should have space for up to 128 bytes.</P> +The formatted value is written into in <i>buffer</i>. +<i>buffer</i> should have space for at least 128 bytes.</P> <P>You may override this function to create your own text formatting.</P> |