static unsigned int SpinControlWidth(txt_spincontrol_t *spincontrol)
{
unsigned int minw, maxw;
switch (spincontrol->type)
{
case TXT_SPINCONTROL_FLOAT:
minw = FloatWidth(spincontrol->min.f, spincontrol->step.f);
maxw = FloatWidth(spincontrol->max.f, spincontrol->step.f);
break;
default:
case TXT_SPINCONTROL_INT:
minw = IntWidth(spincontrol->min.i);
maxw = IntWidth(spincontrol->max.i);
break;
}
// Choose the wider of the two values. Add one so that there is always
// space for the cursor when editing.
if (minw > maxw)
{
return minw;
}
else
{
return maxw;
}
}
void TextFormat::SetCoordFormat(size_t maxFrames, double min, double step,
int default_width, int default_precision)
{
int col_precision = default_precision;
// Determine maximum coordinate.
double maxCoord = (step * (double)maxFrames) + min;
// Determine character width necessary to hold largest coordinate.
int col_width = DigitWidth( (long int)maxCoord );
// Check if the precision is enough to support the step size.
if (step < 1.0) {
int prec_exp_width = FloatWidth( step );
if (prec_exp_width > col_precision)
col_precision = prec_exp_width;
}
// If the width for the column plus the characters needed for precision
// (plus 1 for decimal point) would be greated than default_width, increment
// the column width by (precision+1).
if (col_precision != 0) {
int precision_width = col_width + col_precision + 1;
if (precision_width > default_width) col_width = precision_width;
}
// Default width for column is at least default_width.
if (col_width < default_width) col_width = default_width;
// Set column data format string, left-aligned (no leading space).
type_ = DOUBLE;
width_ = col_width;
precision_ = col_precision;
align_ = RIGHT;
SetFormatString();
}
