fix gtk3 sourcelist styling newapi

fix glib version check that resulted in build failures with older gtk/glib versions newapi

add sourcelist widget (GTK) newapi

add sidebar implementation (GTK) newapi

add sidebar (libadwaita) newapi

fix grid colspan/rowspan newapi

(0) -300 -100 -30 -10 -6 +6 +10 +30 +100 +300 tip

mercurial