displays: add monitor config include prompt

data/ui/displays-view.blp

@@ -7,6 +7,19 @@ template $TunerDisplaysDisplaysView : Adw.PreferencesPage {
     title: _("Displays");
     icon-name: "video-display-symbolic";
 
+    Adw.PreferencesGroup config_include_group {
+        Adw.ActionRow config_include_row {
+            visible: false;
+            title: _("Monitor configuration is not connected");
+
+            [suffix]
+            Button config_include_button {
+                valign: center;
+                label: _("Connect");
+            }
+        }
+    }
+
     Adw.PreferencesGroup status_group {}
 
     Adw.PreferencesGroup layout_group {}

po/ru.po

@@ -2,7 +2,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: tuner-displays\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-05-31 21:48+0300\n"
+"POT-Creation-Date: 2026-06-15 11:58+0300\n"
 "PO-Revision-Date: 2026-05-28 00:00+0000\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: Russian\n"
@@ -15,7 +15,17 @@ msgstr ""
 msgid "Displays"
 msgstr "Мониторы"
 
-#: data/ui/displays-view.blp:15
+#: data/ui/displays-view.blp:13 src/backends/hyprland-backend.vala:40
+#: src/backends/hyprland-backend.vala:55 src/backends/niri-backend.vala:46
+#: src/backends/niri-backend.vala:61
+msgid "Monitor configuration is not connected"
+msgstr "Конфигурация мониторов не подключена"
+
+#: data/ui/displays-view.blp:18
+msgid "Connect"
+msgstr "Подключить"
+
+#: data/ui/displays-view.blp:28
 msgid "Details"
 msgstr "Параметры"
 
@@ -55,11 +65,27 @@ msgstr "Нет включённых мониторов для зеркалиро
 msgid "No common mirror mode is available"
 msgstr "Нет общего режима для зеркалирования"
 
-#: src/backends/hyprland-backend.vala:39
+#: src/backends/hyprland-backend.vala:41
+msgid "Hyprland configuration file was not found."
+msgstr "Файл конфигурации Hyprland не найден."
+
+#: src/backends/hyprland-backend.vala:56
+msgid "Add monitors.conf to the Hyprland configuration."
+msgstr "Добавьте monitors.conf в конфигурацию Hyprland."
+
+#: src/backends/hyprland-backend.vala:80
 msgid "hyprctl monitors all returned non-array JSON"
 msgstr "hyprctl monitors all вернул JSON не в виде массива"
 
-#: src/backends/niri-backend.vala:44
+#: src/backends/niri-backend.vala:47
+msgid "niri configuration file was not found."
+msgstr "Файл конфигурации niri не найден."
+
+#: src/backends/niri-backend.vala:62
+msgid "Add monitor.kdl to the niri configuration."
+msgstr "Добавьте monitor.kdl в конфигурацию niri."
+
+#: src/backends/niri-backend.vala:85
 msgid "niri msg outputs returned non-object JSON"
 msgstr "niri msg outputs вернул JSON не в виде объекта"
 
@@ -67,73 +93,77 @@ msgstr "niri msg outputs вернул JSON не в виде объекта"
 msgid "Built-in Display"
 msgstr "Встроенный дисплей"
 
-#: src/ui/displays-view.vala:68
+#: src/ui/displays-view.vala:72
 msgid "Failed to load monitors"
 msgstr "Не удалось загрузить мониторы"
 
-#: src/ui/displays-view.vala:77
+#: src/ui/displays-view.vala:81
 msgid "Monitor settings applied"
 msgstr "Настройки мониторов применены"
 
-#: src/ui/displays-view.vala:160
+#: src/ui/displays-view.vala:165
 msgid "Read-only backend"
 msgstr "Режим только для чтения"
 
-#: src/ui/displays-view.vala:161
+#: src/ui/displays-view.vala:166
 msgid "Applying monitor layouts is not supported by this backend."
 msgstr "Применение раскладок мониторов не поддерживается этим бэкендом."
 
-#: src/ui/displays-view.vala:171
+#: src/ui/displays-view.vala:189
+msgid "Monitor configuration connected"
+msgstr "Конфигурация мониторов подключена"
+
+#: src/ui/displays-view.vala:201
 msgid "Mirror Displays"
 msgstr "Зеркалировать мониторы"
 
-#: src/ui/displays-view.vala:231 src/ui/monitor-settings-content.vala:88
+#: src/ui/displays-view.vala:261 src/ui/monitor-settings-content.vala:88
 #: src/ui/monitor-settings-content.vala:127
 msgid "Resolution"
 msgstr "Разрешение"
 
-#: src/ui/displays-view.vala:277 src/ui/monitor-settings-content.vala:265
+#: src/ui/displays-view.vala:307 src/ui/monitor-settings-content.vala:265
 #: src/ui/monitor-settings-content.vala:291
 msgid "Scale"
 msgstr "Масштаб"
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "Normal"
 msgstr "Обычный"
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "90 degrees"
 msgstr "90 градусов"
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "180 degrees"
 msgstr "180 градусов"
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "270 degrees"
 msgstr "270 градусов"
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped"
 msgstr "Отражённый"
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped 90 degrees"
 msgstr "Отражённый 90 градусов"
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped 180 degrees"
 msgstr "Отражённый 180 градусов"
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped 270 degrees"
 msgstr "Отражённый 270 градусов"
 
-#: src/ui/displays-view.vala:302 src/ui/monitor-settings-content.vala:315
+#: src/ui/displays-view.vala:332 src/ui/monitor-settings-content.vala:315
 msgid "Rotation"
 msgstr "Поворот"
 
-#: src/ui/displays-view.vala:335
+#: src/ui/displays-view.vala:365
 msgid "Primary Display"
 msgstr "Основной дисплей"
 

po/tuner-displays.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: tuner-displays\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-05-31 21:48+0300\n"
+"POT-Creation-Date: 2026-06-15 11:58+0300\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -21,7 +21,17 @@ msgstr ""
 msgid "Displays"
 msgstr ""
 
-#: data/ui/displays-view.blp:15
+#: data/ui/displays-view.blp:13 src/backends/hyprland-backend.vala:40
+#: src/backends/hyprland-backend.vala:55 src/backends/niri-backend.vala:46
+#: src/backends/niri-backend.vala:61
+msgid "Monitor configuration is not connected"
+msgstr ""
+
+#: data/ui/displays-view.blp:18
+msgid "Connect"
+msgstr ""
+
+#: data/ui/displays-view.blp:28
 msgid "Details"
 msgstr ""
 
@@ -61,11 +71,27 @@ msgstr ""
 msgid "No common mirror mode is available"
 msgstr ""
 
-#: src/backends/hyprland-backend.vala:39
+#: src/backends/hyprland-backend.vala:41
+msgid "Hyprland configuration file was not found."
+msgstr ""
+
+#: src/backends/hyprland-backend.vala:56
+msgid "Add monitors.conf to the Hyprland configuration."
+msgstr ""
+
+#: src/backends/hyprland-backend.vala:80
 msgid "hyprctl monitors all returned non-array JSON"
 msgstr ""
 
-#: src/backends/niri-backend.vala:44
+#: src/backends/niri-backend.vala:47
+msgid "niri configuration file was not found."
+msgstr ""
+
+#: src/backends/niri-backend.vala:62
+msgid "Add monitor.kdl to the niri configuration."
+msgstr ""
+
+#: src/backends/niri-backend.vala:85
 msgid "niri msg outputs returned non-object JSON"
 msgstr ""
 
@@ -73,73 +99,77 @@ msgstr ""
 msgid "Built-in Display"
 msgstr ""
 
-#: src/ui/displays-view.vala:68
+#: src/ui/displays-view.vala:72
 msgid "Failed to load monitors"
 msgstr ""
 
-#: src/ui/displays-view.vala:77
+#: src/ui/displays-view.vala:81
 msgid "Monitor settings applied"
 msgstr ""
 
-#: src/ui/displays-view.vala:160
+#: src/ui/displays-view.vala:165
 msgid "Read-only backend"
 msgstr ""
 
-#: src/ui/displays-view.vala:161
+#: src/ui/displays-view.vala:166
 msgid "Applying monitor layouts is not supported by this backend."
 msgstr ""
 
-#: src/ui/displays-view.vala:171
+#: src/ui/displays-view.vala:189
+msgid "Monitor configuration connected"
+msgstr ""
+
+#: src/ui/displays-view.vala:201
 msgid "Mirror Displays"
 msgstr ""
 
-#: src/ui/displays-view.vala:231 src/ui/monitor-settings-content.vala:88
+#: src/ui/displays-view.vala:261 src/ui/monitor-settings-content.vala:88
 #: src/ui/monitor-settings-content.vala:127
 msgid "Resolution"
 msgstr ""
 
-#: src/ui/displays-view.vala:277 src/ui/monitor-settings-content.vala:265
+#: src/ui/displays-view.vala:307 src/ui/monitor-settings-content.vala:265
 #: src/ui/monitor-settings-content.vala:291
 msgid "Scale"
 msgstr ""
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "Normal"
 msgstr ""
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "90 degrees"
 msgstr ""
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "180 degrees"
 msgstr ""
 
-#: src/ui/displays-view.vala:295 src/ui/monitor-settings-content.vala:308
+#: src/ui/displays-view.vala:325 src/ui/monitor-settings-content.vala:308
 msgid "270 degrees"
 msgstr ""
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped"
 msgstr ""
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped 90 degrees"
 msgstr ""
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped 180 degrees"
 msgstr ""
 
-#: src/ui/displays-view.vala:296 src/ui/monitor-settings-content.vala:309
+#: src/ui/displays-view.vala:326 src/ui/monitor-settings-content.vala:309
 msgid "Flipped 270 degrees"
 msgstr ""
 
-#: src/ui/displays-view.vala:302 src/ui/monitor-settings-content.vala:315
+#: src/ui/displays-view.vala:332 src/ui/monitor-settings-content.vala:315
 msgid "Rotation"
 msgstr ""
 
-#: src/ui/displays-view.vala:335
+#: src/ui/displays-view.vala:365
 msgid "Primary Display"
 msgstr ""
 

src/backends/display-backend.vala

@@ -7,7 +7,23 @@ namespace TunerDisplays {
         APPLY_FAILED
     }
 
+    public enum ConfigIncludeState {
+        NOT_NEEDED,
+        INCLUDED,
+        NOT_INCLUDED,
+        MISSING_MAIN_CONFIG,
+        UNSUPPORTED
+    }
+
+    public class ConfigIncludeInfo : Object {
+        public ConfigIncludeState state { get; set; default = ConfigIncludeState.NOT_NEEDED; }
+        public string title { get; set; default = ""; }
+        public string subtitle { get; set; default = ""; }
+    }
+
     public abstract class DisplayBackend : Object {
+        protected delegate bool ConfigIncludeMatcher(string content);
+
         public abstract string id { get; }
         public abstract string title { owned get; }
         public abstract bool can_apply { get; }
@@ -33,6 +49,14 @@ namespace TunerDisplays {
         public abstract Gee.ArrayList<MonitorConfig> load() throws Error;
         public abstract void apply(Gee.ArrayList<MonitorConfig> monitors) throws Error;
 
+        public virtual ConfigIncludeInfo config_include_info() {
+            return new ConfigIncludeInfo();
+        }
+
+        public virtual void include_monitor_config() throws Error {
+            throw new BackendError.UNSUPPORTED("Including monitor config is not supported by this backend");
+        }
+
         protected static Json.Node backend_parse_json(string text) throws Error {
             var parser = new Json.Parser();
             parser.load_from_data(text);
@@ -78,6 +102,86 @@ namespace TunerDisplays {
             return value.replace("\\", "\\\\").replace("\"", "\\\"");
         }
 
+        protected static void backend_include_config_file(
+            string main_path,
+            string included_path,
+            string include_line,
+            string comment_prefix,
+            ConfigIncludeMatcher matcher
+        ) throws Error {
+            backend_ensure_config_file(included_path);
+
+            string content = "";
+            if (FileUtils.test(main_path, FileTest.EXISTS))
+                FileUtils.get_contents(main_path, out content);
+
+            if (matcher(content))
+                return;
+
+            string updated;
+            if (backend_uncomment_config_include(content, comment_prefix, matcher, out updated)) {
+                FileUtils.set_contents(main_path, updated);
+                return;
+            }
+
+            var separator = content == "" || content.has_suffix("\n") ? "" : "\n";
+            FileUtils.set_contents(main_path, content + separator + include_line);
+        }
+
+        private static void backend_ensure_config_file(string path) throws Error {
+            DirUtils.create_with_parents(Path.get_dirname(path), 0755);
+            if (!FileUtils.test(path, FileTest.EXISTS))
+                FileUtils.set_contents(path, "");
+        }
+
+        private static bool backend_uncomment_config_include(
+            string content,
+            string comment_prefix,
+            ConfigIncludeMatcher matcher,
+            out string updated
+        ) {
+            var builder = new StringBuilder();
+            var lines = content.split("\n");
+            var changed = false;
+
+            for (var i = 0; i < lines.length; i++) {
+                var line = lines[i];
+                if (!changed && backend_uncomment_config_line(line, comment_prefix, matcher, out line))
+                    changed = true;
+
+                if (i > 0)
+                    builder.append_c('\n');
+                builder.append(line);
+            }
+
+            updated = builder.str;
+            return changed;
+        }
+
+        private static bool backend_uncomment_config_line(
+            string line,
+            string comment_prefix,
+            ConfigIncludeMatcher matcher,
+            out string uncommented
+        ) {
+            uncommented = line;
+
+            var comment = line.index_of(comment_prefix);
+            if (comment < 0 || line.substring(0, comment).strip() != "")
+                return false;
+
+            var prefix = line.substring(0, comment);
+            var candidate = line.substring(comment + comment_prefix.length);
+            if (candidate.has_prefix(" "))
+                candidate = candidate.substring(1);
+
+            if (!matcher(candidate))
+                return false;
+
+            uncommented = prefix + candidate;
+            return true;
+        }
+
         public static DisplayBackend create_for_session() {
             var desktop = (Environment.get_variable("XDG_CURRENT_DESKTOP") ?? "").down();
             var session = (Environment.get_variable("XDG_SESSION_DESKTOP") ?? "").down();

src/backends/hyprland-backend.vala

@@ -29,6 +29,41 @@ namespace TunerDisplays {
         public override bool supports_color_management { get { return true; } }
         public override bool supports_hdr_metadata { get { return true; } }
 
+        public override ConfigIncludeInfo config_include_info() {
+            var main_path = main_config_path();
+            if (!FileUtils.test(main_path, FileTest.EXISTS)) {
+                return new ConfigIncludeInfo() {
+                    state = ConfigIncludeState.MISSING_MAIN_CONFIG,
+                    title = _("Monitor configuration is not connected"),
+                    subtitle = _("Hyprland configuration file was not found.")
+                };
+            }
+
+            try {
+                string content;
+                if (FileUtils.get_contents(main_path, out content) && hyprland_config_includes_monitor_config(content))
+                    return new ConfigIncludeInfo() { state = ConfigIncludeState.INCLUDED };
+            } catch (Error err) {
+                warning("Failed to check Hyprland monitor config include: %s", err.message);
+            }
+
+            return new ConfigIncludeInfo() {
+                state = ConfigIncludeState.NOT_INCLUDED,
+                title = _("Monitor configuration is not connected"),
+                subtitle = _("Add monitors.conf to the Hyprland configuration.")
+            };
+        }
+
+        public override void include_monitor_config() throws Error {
+            backend_include_config_file(
+                main_config_path(),
+                monitors_path(),
+                "source = ~/.config/hypr/monitors.conf\n",
+                "#",
+                hyprland_config_includes_monitor_config
+            );
+        }
+
         public override Gee.ArrayList<MonitorConfig> load() throws Error {
             var monitors = new Gee.ArrayList<MonitorConfig>();
             var active = read_active_names();
@@ -316,6 +351,33 @@ namespace TunerDisplays {
             return Path.build_filename(Environment.get_user_config_dir(), "hypr", "monitors.conf");
         }
 
+        private static string main_config_path() {
+            return Path.build_filename(Environment.get_user_config_dir(), "hypr", "hyprland.conf");
+        }
+
+        private static bool hyprland_config_includes_monitor_config(string content) {
+            foreach (var line in content.split("\n")) {
+                var trimmed = strip_hyprland_comment(line).strip();
+                if (!trimmed.has_prefix("source"))
+                    continue;
+
+                var equals = trimmed.index_of("=");
+                if (equals < 0)
+                    continue;
+
+                var path = trimmed.substring(equals + 1).strip();
+                if (path == "~/.config/hypr/monitors.conf" || path == monitors_path())
+                    return true;
+            }
+
+            return false;
+        }
+
+        private static string strip_hyprland_comment(string line) {
+            var index = line.index_of("#");
+            return index >= 0 ? line.substring(0, index) : line;
+        }
+
         private static DisplayMode? parse_mode(string value) {
             var cleaned = value.replace("Hz", "");
             var parts = cleaned.split("@");

src/backends/niri-backend.vala

@@ -35,6 +35,41 @@ namespace TunerDisplays {
         public override bool supports_backdrop_color { get { return true; } }
         public override bool supports_hot_corners { get { return true; } }
 
+        public override ConfigIncludeInfo config_include_info() {
+            var main_path = main_config_path();
+            if (!FileUtils.test(main_path, FileTest.EXISTS)) {
+                return new ConfigIncludeInfo() {
+                    state = ConfigIncludeState.MISSING_MAIN_CONFIG,
+                    title = _("Monitor configuration is not connected"),
+                    subtitle = _("niri configuration file was not found.")
+                };
+            }
+
+            try {
+                string content;
+                if (FileUtils.get_contents(main_path, out content) && niri_config_includes_monitor_config(content))
+                    return new ConfigIncludeInfo() { state = ConfigIncludeState.INCLUDED };
+            } catch (Error err) {
+                warning("Failed to check niri monitor config include: %s", err.message);
+            }
+
+            return new ConfigIncludeInfo() {
+                state = ConfigIncludeState.NOT_INCLUDED,
+                title = _("Monitor configuration is not connected"),
+                subtitle = _("Add monitor.kdl to the niri configuration.")
+            };
+        }
+
+        public override void include_monitor_config() throws Error {
+            backend_include_config_file(
+                main_config_path(),
+                monitors_path(),
+                "include \"monitor.kdl\"\n",
+                "//",
+                niri_config_includes_monitor_config
+            );
+        }
+
         public override Gee.ArrayList<MonitorConfig> load() throws Error {
             var monitors = new Gee.ArrayList<MonitorConfig>();
             var saved = read_saved_monitors();
@@ -273,6 +308,28 @@ namespace TunerDisplays {
             return Path.build_filename(Environment.get_user_config_dir(), "niri", "monitor.kdl");
         }
 
+        private static string main_config_path() {
+            return Path.build_filename(Environment.get_user_config_dir(), "niri", "config.kdl");
+        }
+
+        private static bool niri_config_includes_monitor_config(string content) {
+            foreach (var line in content.split("\n")) {
+                var trimmed = strip_comment(line).strip();
+                if (!trimmed.has_prefix("include "))
+                    continue;
+
+                var path = parse_quoted(trimmed);
+                if (path == "monitor.kdl"
+                    || path == "./monitor.kdl"
+                    || path == "~/.config/niri/monitor.kdl"
+                    || path == monitors_path()) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
         private static void append_hot_corners(StringBuilder builder, string value) {
             if (value == "")
                 return;

src/meson.build

@@ -12,6 +12,7 @@ sources = files(
     'backends/niri-backend.vala',
     'core/display-model.vala',
     'core/shell-command.vala',
+    'ui/config-include-validator.vala',
     'ui/displays-view.vala',
     'ui/monitor-layout.vala',
     'ui/monitor-row.vala',

src/ui/config-include-validator.vala

+namespace TunerDisplays {
+
+    public class ConfigIncludeBinding : Tuner.Binding {
+        private DisplayBackend backend;
+
+        public ConfigIncludeBinding(DisplayBackend backend) {
+            this.backend = backend;
+        }
+
+        public ConfigIncludeInfo info() {
+            return backend.config_include_info();
+        }
+
+        public void connect_config() throws Error {
+            backend.include_monitor_config();
+            emit_changed();
+        }
+
+        public override Type expected_type { get { return typeof(bool); } }
+
+        public override bool get_value(ref Value value) {
+            value = info().state == ConfigIncludeState.NOT_INCLUDED;
+            return true;
+        }
+
+        public override void set_value(Value value) {
+        }
+    }
+
+    public class ConfigIncludeValidator : Tuner.Validator {
+
+        public override void apply(Tuner.Binding binding, Gtk.Widget native_widget) {
+            var include_binding = binding as ConfigIncludeBinding;
+            var row = native_widget as Adw.ActionRow;
+            if (include_binding == null || row == null)
+                return;
+
+            update(include_binding, row);
+            include_binding.changed.connect(() => update(include_binding, row));
+        }
+
+        private static void update(ConfigIncludeBinding binding, Adw.ActionRow row) {
+            var info = binding.info();
+            var visible = info.state == ConfigIncludeState.NOT_INCLUDED
+                || info.state == ConfigIncludeState.MISSING_MAIN_CONFIG;
+
+            row.visible = visible;
+            var group = row.get_ancestor(typeof(Adw.PreferencesGroup));
+            if (group != null)
+                group.visible = visible;
+
+            if (!visible)
+                return;
+
+            row.title = info.title;
+            row.subtitle = info.subtitle;
+        }
+    }
+}

src/ui/displays-view.vala

@@ -11,8 +11,11 @@ namespace TunerDisplays {
         private MonitorSettingsContent? single_monitor_content;
         private MonitorLayout layout;
         private Adw.PreferencesRow layout_row;
+        private ConfigIncludeBinding config_include_binding;
         private DBusConnection? session_bus;
         private uint monitors_changed_id;
+        [GtkChild] private unowned Adw.ActionRow config_include_row;
+        [GtkChild] private unowned Gtk.Button config_include_button;
         [GtkChild] private unowned Adw.PreferencesGroup monitors_group;
         [GtkChild] private unowned Adw.PreferencesGroup layout_group;
         [GtkChild] private unowned Adw.PreferencesGroup status_group;
@@ -23,6 +26,7 @@ namespace TunerDisplays {
 
         construct {
             backend = DisplayBackend.create_for_session();
+            config_include_binding = new ConfigIncludeBinding(backend);
 
             layout_row = new Adw.PreferencesRow() {
                 activatable = false,
@@ -40,6 +44,9 @@ namespace TunerDisplays {
             layout.layout_changed.connect(sync_rows);
             layout_row.child = layout;
             layout_group.add(layout_row);
+            config_include_button.clicked.connect(connect_monitor_config);
+            new ConfigIncludeValidator().apply(config_include_binding, config_include_row);
+            config_include_binding.changed.connect(sync_config_include_button);
 
             subscribe_monitor_changes();
             reload();
@@ -133,6 +140,7 @@ namespace TunerDisplays {
             clear_status_rows();
             clear_mirror_settings_rows();
             clear_single_monitor_settings();
+            config_include_binding.emit_changed();
             sync_layout_visibility();
             sync_group_visibility();
 
@@ -163,6 +171,20 @@ namespace TunerDisplays {
             }
         }
 
+        private void sync_config_include_button() {
+            config_include_button.visible = config_include_binding.info().state == ConfigIncludeState.NOT_INCLUDED;
+        }
+
+        private void connect_monitor_config() {
+            try {
+                config_include_binding.connect_config();
+                Tuner.toast(_("Monitor configuration connected"));
+                reload();
+            } catch (Error err) {
+                Tuner.toast(err.message);
+            }
+        }
+
         private void add_gnome_mirror_row() {
             if (!backend.supports_global_mirroring || monitors.size <= 1)
                 return;