set_show_start_title_buttons
Description:
Sets whether to show title buttons at the start of this.
See [property@HeaderBar:show-end-title-buttons] for the other side.
Which buttons are actually shown and where is determined by the [property@HeaderBar:decoration-layout] property, and by the state of the window (e.g. a close button will not be shown if the window can't be closed).
Parameters:
| this |
a header bar |
| setting |
`TRUE` to show standard title buttons |