Port to GtkSourceView 4

Author: leigh123linux

nemo-preview/debian/control

@@ -19,7 +19,7 @@ Build-Depends: debhelper (>= 11),
                libglib2.0-dev (>= 2.37.3),
                libgstreamer1.0-dev,
                libgtk-3-dev (>= 3.5.12),
-               libgtksourceview-3.0-dev,
+               libgtksourceview-4-dev,
                libmusicbrainz5-dev,
                libwebkit2gtk-4.0-dev,
                gnome-common
@@ -35,7 +35,7 @@ Depends: cjs,
          gstreamer1.0-plugins-good,
          libfreetype6,
          libgirepository-1.0-1,
-         libgtksourceview-3.0-1,
+         libgtksourceview-4-0,
          libmusicbrainz5-2,
          libpango-1.0-0,
          nemo

nemo-preview/meson.build

@@ -19,7 +19,7 @@ gstreamer_base_dep = dependency('gstreamer-base-1.0')
 gstreamer_pbutils_dep = dependency('gstreamer-pbutils-1.0')
 gstreamer_tag_dep = dependency('gstreamer-tag-1.0')
 gtk_dep = dependency('gtk+-3.0', version: '>=3.5.12')
-gtksourceview_dep = dependency('gtksourceview-3.0')
+gtksourceview_dep = dependency('gtksourceview-4', version: '>=4.0.3')
 introspection_dep = dependency('gobject-introspection-1.0', version: '>=0.9.2')
 musicbrainz_dep = dependency('libmusicbrainz5')
 webkit_dep = dependency('webkit2gtk-4.0')

nemo-preview/src/js/viewers/text.js

@@ -25,7 +25,7 @@
  *
  */
 
-imports.gi.versions.GtkSource = '3.0';
+imports.gi.versions.GtkSource = '4';
 
 const GtkClutter = imports.gi.GtkClutter;
 const Gtk = imports.gi.Gtk;

nemo-preview/src/libnemo-preview/meson.build

@@ -63,7 +63,7 @@ gnome.generate_gir(
     'GstTag-1.0',
     'GdkPixbuf-2.0',
     'Gtk-3.0',
-    'GtkSource-3.0',
+    'GtkSource-4',
     'XreaderDocument-1.5',
   ],
   install: true,