fix using generator.next() to next(generator)
remove call to deprecated get_pointer()
remove old line
GObject -> GLib
use Gtk.Grid instead of deprecated Gtk.Table in tooltips
render_icon -> render_icon_pixbuf
GObject -> GLib
Fix roster resizing in one window mode
fix var name
GObject -> GLib
fix textbuffer get_text
fix buttons popup menu
GObject -> GLib
move formattings button tooltip to the code to make it more precise. Fixes #7389
use correct function to set tooltip
don't cycle through blobk nicknames when autocompletting nicks. Fixes #7398
don't allow to browse non-MUC server in join groupchat dialog.
remove useless function
restore key bindings in textview
modify_fg/bg/font -> override_*