Depend on GTK4 and libadwaita

This breaks the build. Next commits will port each widget to
GTK4.

meson.build

@@ -163,10 +163,9 @@ gsettings_desktop_schemas_dep = dependency('gsettings-desktop-schemas', version:
 libedataserver_dep = dependency('libedataserver-1.2', version: '>= 3.17.1')
 libecal_dep = dependency('libecal-2.0', version: '>= 3.33.2')
 libsoup_dep = dependency('libsoup-2.4')
-libdazzle_dep = dependency('libdazzle-1.0', version: '>= 3.33.1')
-libhandy_dep = dependency('libhandy-1', version: '>= 1.5.0')
+libadwaita_dep = dependency('libadwaita-1', version: '>= 1.0.0')
 glib_dep = dependency('glib-2.0', version: '>= 2.67.5')
-gtk_dep = dependency('gtk+-3.0', version: '>= 3.22.20')
+gtk_dep = dependency('gtk4', version: '>= 4.6.0')
 gio_dep = dependency('gio-2.0', version: '>= 2.58.0')
 gweather_dep = dependency('gweather4')
 geoclue_dep = dependency('libgeoclue-2.0', version: '>=2.4')

src/meson.build

@@ -1,14 +1,13 @@
 src_inc = include_directories('.')
 
 gcal_deps = [
+  libadwaita_dep,
   gsettings_desktop_schemas_dep,
   #libedataserverui_dep,
   libedataserver_dep,
   libecal_dep,
-  libdazzle_dep,
   libsoup_dep,
   libical_dep,
-  libhandy_dep,
   glib_dep,
   gtk_dep,
   gio_dep,