On Thu, Dec 18, 2014 at 4:31 AM, Daiki Ueno <u...@gnu.org> wrote: > Hello, > > I'm trying to replace my application's own sidebar implementation (based > on GtkListBox/GtkStack) with GtkSidebar, to take advantage of the > standard CSS theme[1]. Currently I have a small obstacle to this > migration. > > To reduce the startup time, the application delays populating a page > widget in GtkStack until the first time it is displayed, and it > sometimes takes time. So, until the page widget becomes ready, the > application shows a placeholder page with a spinner. > > The actual interaction is: > > 1. a user clicks "Punctuation" tab for the first time > 2. the application starts loading Unicode punctuation characters in > a background thread; if it takes long, a placeholder page is shown > 3. the "Punctuation" page is shown > > So, my question is, is there any easy way to inject the phase 2 into the > page transition of GtkSidebar?
One way to do it would be to use a nested stack - the outer stack switches from the spinner to your current stack. How long can it really take to load a page of Unicode characters, though ? Not like you're downloading them from the farthest corner of the web... _______________________________________________ gtk-devel-list mailing list gtk-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-devel-list
