fix missing terminator in uic_copy_groups newapi

fix UiList binding copy and missing GTK table setselection method newapi

fix treeview contextmenu (GTK) newapi

implement list/table contextmenu (GTK) newapi

implement image viewer context menus (GTK) newapi

add menu builder API newapi

add public function for getting the UiContext UCX mempool newapi

(0) -300 -100 -30 -10 -7 +7 +10 tip

mercurial