fix: Vala 0.56.11 vapi change & GTK 4.12 deprecation (#447)

* fix: Vala 0.56.11 vapi change  & GTK 4.12 deprication

* fix(ci): remove vala sdk

it has to be added back on 45 but for now it messes up the vala versions

build-aux/dev.geopjr.Tuba.Devel.json

@@ -3,11 +3,6 @@
  "runtime": "org.gnome.Platform",
  "runtime-version": "44",
  "sdk": "org.gnome.Sdk",
- "sdk-extensions" : ["org.freedesktop.Sdk.Extension.vala"],
- "build-options" : {
- "prepend-path" : "/usr/lib/sdk/vala/bin/",
- "prepend-ld-library-path" : "/usr/lib/sdk/vala/lib"
- },
  "command": "dev.geopjr.Tuba",
  "finish-args": [
  "--device=dri",

meson.build

@@ -79,6 +79,14 @@ if libgtk_dep.version().version_compare('>=4.10.0')
  add_project_arguments(['--define=GTK_4_10'], language: 'vala')
 endif
 
+if libgtk_dep.version().version_compare('>=4.12.0')
+ add_project_arguments(['--define=GTK_4_12'], language: 'vala')
+endif
+
+if meson.get_compiler('vala').version().version_compare('>=0.56.11')
+ add_project_arguments(['--define=VALAC_05611'], language: 'vala')
+endif
+
 if libspelling.found ()
  add_project_arguments(['--define=LIBSPELLING'], language: 'vala')
 endif

src/Widgets/VoteBox.vala

@@ -72,7 +72,17 @@ public class Tuba.Widgets.VoteBox: Box {
  var percentage = poll.votes_count > 0 ? ((double)p.votes_count / poll.votes_count) * 100 : 0.0;
 
  var provider = new Gtk.CssProvider ();
- provider.load_from_data (generate_css_style ((int) percentage).data);
+
+ #if GTK_4_12
+ provider.load_from_string (generate_css_style ((int) percentage));
+ #else
+ #if VALAC_05611
+ provider.load_from_data (generate_css_style ((int) percentage), -1);
+ #else
+ provider.load_from_data (generate_css_style ((int) percentage).data);
+ #endif
+ #endif
+
  row.get_style_context ().add_provider (provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
  row.add_css_class (@"ttl-poll-$((int) percentage)");