set_sidebar_width_fraction
Description:
Sets the preferred sidebar width as a fraction of the total width of this.
The preferred width is additionally limited by [property@NavigationSplitView:min-sidebar-width] and [ property@NavigationSplitView:max-sidebar-width].
The sidebar widget can be allocated with larger width if its own minimum width exceeds the preferred width.
Parameters:
| this |
a navigation split view |
| fraction |
the preferred width fraction |