fix gtk3 build newapi

make gtk4 port compilable newapi

port button, text to gtk4 newapi

port container to gtk4 newapi

add more gtk4 porting (incomplete) newapi

update gtk icons newapi

fix build newapi

initial gtk4 porting, incomplete newapi

add gtk4 option to the build system newapi

implement ui_list_getselection (GTK) newapi

(0) -100 -10 +10 tip

mercurial