feat(gtk): prefer dark theme (#1965)

Author: b00f

.github/releasers/windows/gtk-win-bundler.py

@@ -140,10 +140,9 @@ def copy_gtk_resources(self) -> None:
         Path(settings_file).parent.mkdir(parents=True, exist_ok=True)
         with open(settings_file, 'w') as f:
             f.write("[Settings]\n")
-            f.write("gtk-theme-name=Adwaita\n")
-            f.write("gtk-icon-theme-name=Adwaita\n")
+            f.write("gtk-theme-name=Windows10\n")
             f.write("gtk-font-name=Segoe UI 9\n")
-            f.write("gtk-application-prefer-dark-theme=false\n")
+            f.write("gtk-application-prefer-dark-theme=true\n")
         print("  Created settings.ini")
 
     def copy_gtk_executables(self, target_exe_dir: Path) -> None:

.github/workflows/releaser.yml

@@ -172,6 +172,8 @@ jobs:
             mingw-w64-x86_64-glib2
             mingw-w64-x86_64-gcc
             mingw-w64-x86_64-pkg-config
+            mingw-w64-x86_64-adwaita-icon-theme
+            mingw-w64-x86_64-hicolor-icon-theme
 
       - name: Get Version
         id: get_version

cmd/gtk/main.go

@@ -56,6 +56,12 @@ func main() {
 	app, err := gtk.ApplicationNew(appID, glib.APPLICATION_NON_UNIQUE)
 	fatalErrorCheck(err)
 
+	settings, err := gtk.SettingsGetDefault()
+	fatalErrorCheck(err)
+
+	err = settings.Object.Set("gtk-application-prefer-dark-theme", true)
+	fatalErrorCheck(err)
+
 	workingDir, err := filepath.Abs(*workingDirOpt)
 	if err != nil {
 		terminal.PrintErrorMsgf("Aborted! %v", err)