Causes the given text
to appear next to the progress bar.
If text
is null and [[email protected]:show-text] is
true, the current value of [[email protected]:fraction] will be displayed as a percentage.
If text
is non-null and [[email protected]:show-text] is
true, the text will be displayed. In this case, it will not display the progress percentage. If
text
is the empty string, the progress bar will still be styled and sized suitably for containing text, as long as [
[email protected]:show-text] is true.
this |
a `GtkProgressBar` |
text |
a UTF-8 string |