Remove some deprecations and fix compile warnings

README.md

@@ -21,7 +21,7 @@ You'll need the following dependencies:
 * libgtk-3-dev (>= 3.10.0)
 * libmutter-10-dev (>= 42.0) | libmutter-dev (>= 3.18.3)
 * libxml2-utils
-* valac (>= 0.28.0)
+* valac (>= 0.46.0)
 
 Run `meson build` to configure the build environment. Change to the build directory and run `ninja` to build
 

data/meson.build

@@ -12,7 +12,7 @@ install_data(
 i18n.merge_file(
     input: 'gala.appdata.xml.in',
     output: meson.project_name() + '.appdata.xml',
-    po_dir: join_paths(meson.source_root(), 'po'),
+    po_dir: join_paths(meson.global_source_root(), 'po'),
     type: 'xml',
     install: true,
     install_dir: join_paths(get_option('datadir'), 'metainfo'),
@@ -21,7 +21,7 @@ i18n.merge_file(
 i18n.merge_file(
     input: 'gala-multitaskingview.desktop.in',
     output: 'gala-multitaskingview.desktop',
-    po_dir: join_paths(meson.source_root (), 'po'),
+    po_dir: join_paths(meson.global_source_root (), 'po'),
     type: 'desktop',
     install: true,
     install_dir: join_paths(data_dir, 'applications')
@@ -30,7 +30,7 @@ i18n.merge_file(
 i18n.merge_file(
     input: 'gala-other.desktop.in',
     output: 'gala-other.desktop',
-    po_dir: join_paths(meson.source_root (), 'po'),
+    po_dir: join_paths(meson.global_source_root (), 'po'),
     type: 'desktop',
     install: true,
     install_dir: join_paths(data_dir, 'applications')
@@ -42,7 +42,7 @@ if get_option('systemd')
     dep_systemd = dependency('systemd', required: true)
     systemd_userunitdir = get_option('systemduserunitdir')
     if systemd_userunitdir == ''
-        systemd_userunitdir = dep_systemd.get_pkgconfig_variable('systemduserunitdir', define_variable: ['prefix', get_option('prefix')])
+        systemd_userunitdir = dep_systemd.get_variable('systemduserunitdir', pkgconfig_define: ['prefix', get_option('prefix')])
     endif
 
     bindir = join_paths(get_option('prefix'), get_option('bindir'))

docs/meson.build

@@ -23,7 +23,7 @@ basic_command = [
     '--pkg', 'config',
     vala_flags,
     '--vapidir=' + join_paths(meson.build_root(), 'lib'),
-    '--vapidir=' + join_paths(meson.source_root(), 'vapi'),
+    '--vapidir=' + join_paths(meson.global_source_root(), 'vapi'),
     '--doclet=html',
     '--use-svg-images'
 ]

lib/DragDropAction.vala

@@ -366,6 +366,8 @@ namespace Gala {
                         return true;
                     }
 
+                    break;
+                default:
                     break;
             }
 

lib/Utils.vala

@@ -151,7 +151,7 @@ namespace Gala {
             // Construct a new "application-default-icon" and store it in the cache
             try {
                 var icon = Gtk.IconTheme.get_default ().load_icon_for_scale ("application-default-icon", icon_size, scale, 0);
-                unknown_icon_cache.add (new CachedIcon () { icon = icon, icon_size = icon_size, scale = scale });
+                unknown_icon_cache.add (CachedIcon () { icon = icon, icon_size = icon_size, scale = scale });
                 return icon;
             } catch (Error e) {
                 var icon = new Gdk.Pixbuf (Gdk.Colorspace.RGB, true, 8, icon_size * scale, icon_size * scale);
@@ -227,7 +227,7 @@ namespace Gala {
 
                 try {
                     var pixbuf = icon_info.load_icon ();
-                    icon_cache.@set (desktop, new CachedIcon () { icon = pixbuf, icon_size = icon_size, scale = scale });
+                    icon_cache.@set (desktop, CachedIcon () { icon = pixbuf, icon_size = icon_size, scale = scale });
                     return pixbuf;
                 } catch (Error e) {
                     return null;
@@ -237,7 +237,7 @@ namespace Gala {
                 var size_with_scale = icon_size * scale;
                 try {
                     var pixbuf = new Gdk.Pixbuf.from_stream_at_scale (file.read (), size_with_scale, size_with_scale, true);
-                    icon_cache.@set (desktop, new CachedIcon () { icon = pixbuf, icon_size = icon_size, scale = scale });
+                    icon_cache.@set (desktop, CachedIcon () { icon = pixbuf, icon_size = icon_size, scale = scale });
                     return pixbuf;
                 } catch (Error e) {
                     return null;

lib/meson.build

@@ -16,8 +16,8 @@ gala_lib_sources = files(
 
 gala_resources = gnome.compile_resources(
     'gala-resources',
-    join_paths(meson.source_root(), 'data', 'gala.gresource.xml'),
-    source_dir: join_paths(meson.source_root(), 'data'),
+    join_paths(meson.global_source_root(), 'data', 'gala.gresource.xml'),
+    source_dir: join_paths(meson.global_source_root(), 'data'),
     c_name: 'gala',
 )
 

meson.build

@@ -1,7 +1,7 @@
 project('gala',
     'c', 'vala',
     version: '7.0.0',
-    meson_version: '>= 0.50.0',
+    meson_version: '>= 0.58.0',
     license: 'GPL3',
 )
 
@@ -14,7 +14,7 @@ cc = meson.get_compiler('c')
 
 gala_version = meson.project_version()
 
-vala_version_required = '0.28.0'
+vala_version_required = '0.46.0'
 vala = meson.get_compiler('vala')
 if not vala.version().version_compare('>= @0@'.format(vala_version_required))
     error('Valac >= @0@ required!'.format(vala_version_required))
@@ -132,7 +132,7 @@ if mutter_dep.length() == 0
     error ('No supported mutter library found!')
 endif
 
-mutter_typelib_dir = libmutter_dep.get_pkgconfig_variable('typelibdir')
+mutter_typelib_dir = libmutter_dep.get_variable('typelibdir')
 
 if get_option('systemd')
     vala_flags += ['--define', 'WITH_SYSTEMD']

src/AccentColor/AccentColorManager.vala

@@ -146,12 +146,12 @@ public class Gala.AccentColorManager : Object {
             path = Filename.from_uri (picture_uri);
             metadata = new GExiv2.Metadata ();
             metadata.open_path (path);
+
+            return metadata.try_get_tag_string (TAG_ACCENT_COLOR);
         } catch (Error e) {
             warning ("Error parsing exif metadata of \"%s\": %s", path, e.message);
             return null;
         }
-
-        return metadata.get_tag_string (TAG_ACCENT_COLOR);
     }
 
     private NamedColor? get_accent_color (ColorExtractor color_extractor) {

src/Main.vala

@@ -50,15 +50,15 @@ namespace Gala {
         act.sa_mask = empty_mask;
         act.sa_flags = 0;
 
-        if (Posix.sigaction (Posix.SIGPIPE, act, null) < 0) {
+        if (Posix.sigaction (Posix.Signal.PIPE, act, null) < 0) {
             warning ("Failed to register SIGPIPE handler: %s", GLib.strerror (GLib.errno));
         }
 
-        if (Posix.sigaction (Posix.SIGXFSZ, act, null) < 0) {
+        if (Posix.sigaction (Posix.Signal.XFSZ, act, null) < 0) {
             warning ("Failed to register SIGXFSZ handler: %s", GLib.strerror (GLib.errno));
         }
 
-        GLib.Unix.signal_add (Posix.SIGTERM, () => {
+        GLib.Unix.signal_add (Posix.Signal.TERM, () => {
             ctx.terminate ();
             return GLib.Source.REMOVE;
         });

src/PluginManager.vala

@@ -86,7 +86,7 @@ namespace Gala {
 
         private bool load_module (string plugin_name) {
             var path = Module.build_path (plugin_dir.get_path (), plugin_name);
-            var module = Module.open (path, ModuleFlags.BIND_LOCAL);
+            var module = Module.open (path, ModuleFlags.LOCAL);
             if (module == null) {
                 warning (Module.error ());
                 return false;
@@ -170,6 +170,8 @@ namespace Gala {
                     }
                     window_switcher_provider = name;
                     return true;
+                default:
+                    break;
             }
 
             return true;

src/ScreenshotManager.vala

@@ -353,24 +353,28 @@ namespace Gala {
                 paint_flags |= Clutter.PaintFlag.FORCE_CURSORS;
             }
 
-            if (GLib.ByteOrder.HOST == GLib.ByteOrder.LITTLE_ENDIAN) {
-                wm.stage.paint_to_buffer (
-                    {x, y, width, height},
-                    scale,
-                    image.get_data (),
-                    image.get_stride (),
-                    Cogl.PixelFormat.BGRA_8888_PRE,
-                    paint_flags
-                );
-            } else {
-                wm.stage.paint_to_buffer (
-                    {x, y, width, height},
-                    scale,
-                    image.get_data (),
-                    image.get_stride (),
-                    Cogl.PixelFormat.ARGB_8888_PRE,
-                    paint_flags
-                );
+            try {
+                if (GLib.ByteOrder.HOST == GLib.ByteOrder.LITTLE_ENDIAN) {
+                    wm.stage.paint_to_buffer (
+                        {x, y, width, height},
+                        scale,
+                        image.get_data (),
+                        image.get_stride (),
+                        Cogl.PixelFormat.BGRA_8888_PRE,
+                        paint_flags
+                    );
+                } else {
+                    wm.stage.paint_to_buffer (
+                        {x, y, width, height},
+                        scale,
+                        image.get_data (),
+                        image.get_stride (),
+                        Cogl.PixelFormat.ARGB_8888_PRE,
+                        paint_flags
+                    );
+                }
+            } catch (Error e) {
+                warning (e.message);
             }
             return image;
         }

src/Widgets/WindowCloneContainer.vala

@@ -277,6 +277,8 @@ namespace Gala {
                                 closest = (WindowClone) window;
                         }
                         break;
+                    default:
+                        break;
                 }
             }
 

src/Widgets/WindowSwitcher.vala

@@ -128,7 +128,7 @@ namespace Gala {
             container.motion_event.connect (container_motion_event);
 
             var rgba = InternalUtils.get_theme_accent_color ();
-            var accent_color = new Clutter.Color ();
+            var accent_color = Clutter.Color ();
             accent_color.init (
                 (uint8) (rgba.red * 255),
                 (uint8) (rgba.green * 255),

src/WindowTracker.vala

@@ -5,7 +5,6 @@
  */
 
 public class Gala.WindowTracker : GLib.Object {
-    private Gala.App? focused_app = null;
     private GLib.HashTable<unowned Meta.Window, Gala.App> window_to_app;
 
     public signal void windows_changed ();