remove old Qt code

remove enum forward declarations

re-enable qt5 toolkit option

implement first toolkit functions (WIN32)

fix win32 build

add LIB_PREFIX to the build system

prepare buildsystem for win32

implement ui_set_visible for gtk4

(0) -300 -100 -30 -10 -8 +8 +10 +30 +100 +300 tip

mercurial