Add desktop file

data/meson.build

+desktopconf = configuration_data()
+desktopconf.set('bindir', bindir)
+
+desktop_files = [
+  'sm.puri.Virtboard.desktop',
+]
+foreach desktop_file : desktop_files
+  i18n.merge_file('desktop',
+    input: configure_file(
+      input: desktop_file + '.in.in',
+      output: desktop_file + '.in',
+      configuration: desktopconf
+    ),
+    output: desktop_file,
+    po_dir: '../po',
+    install: true,
+    install_dir: desktopdir,
+    type: 'desktop'
+  )
+endforeach

data/sm.puri.Virtboard.desktop.in.in

+[Desktop Entry]
+Type=Application
+Name=Virtual keyboard
+Comment=Basic virtual keyboard
+Exec=@bindir@/virtboard
+Categories=GNOME;Core;
+OnlyShowIn=GNOME;
+NoDisplay=true
+X-GNOME-Autostart-Phase=Panel
+X-GNOME-Provides=inputmethod
+X-GNOME-Autostart-Notify=true
+X-GNOME-AutoRestart=true

meson.build

@@ -87,3 +87,11 @@ add_global_arguments('-DDATADIR=""', language : 'c')
 executable(
 	'virtboard', sources, dependencies: [png, math, pixman, wayland_cursor, wayland_client, wayland_protos, xkbcommon, cairo], install: true,
 )
+
+prefix = get_option('prefix')
+bindir = join_paths(prefix, get_option('bindir'))
+datadir = join_paths(prefix, get_option('datadir'))
+desktopdir = join_paths(datadir, 'applications')
+i18n  = import('i18n')
+
+subdir('data')