Sets whether to show title buttons at the start of self.
See propertyHeaderBar:show-end-title-buttons for the other side.
Which buttons are actually shown and where is determined by the
propertyHeaderBar: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).
Sets whether to show title buttons at the start of self.
See propertyHeaderBar:show-end-title-buttons for the other side.
Which buttons are actually shown and where is determined by the propertyHeaderBar: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).