Which buttons are actually shown and where is determined by the gtk.header_bar.HeaderBar.decorationLayout property, and by the state of the window (e.g. a close button will not be shown if the window can't be closed).
HeaderBar.showTitleButtons
bool showTitleButtons() @propertyGet showTitleButtons property.
Returns
Whether to show title buttons like close, minimize, maximize.
void showTitleButtons(bool propval) @propertySet showTitleButtons property.
Parameters
propval | Whether to show title buttons like close, minimize, maximize. Which buttons are actually shown and where is determined by the gtk.header_bar.HeaderBar.decorationLayout property, and by the state of the window (e.g. a close button will not be shown if the window can't be closed). |