Attempt to improve mouse cloning

.gitmodules

@@ -8,6 +8,7 @@
 [submodule "modules/sombrero"]
 	path = modules/sombrero
 	url = https://github.com/wheaney/sombrero.git
+	branch = breezy_sbs
 [submodule "ui/modules/PyXRLinuxDriverIPC"]
 	path = ui/modules/PyXRLinuxDriverIPC
 	url = https://github.com/wheaney/PyXRLinuxDriverIPC.git

gnome/bin/dev/use_local_extension.sh

@@ -6,6 +6,7 @@ SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
 if [ -z "$XDG_DATA_HOME" ]; then
   XDG_DATA_HOME="$USER_HOME/.local/share"
 fi
+DATA_DIR="$XDG_DATA_HOME/breezy_gnome"
 
 # if $XDG_DATA_HOME/gnome-shell/extensions/breezydesktop@xronlinux.com exists
 extension_path="$XDG_DATA_HOME/gnome-shell/extensions/breezydesktop@xronlinux.com"
@@ -18,3 +19,11 @@ fi
 cp -rL $SCRIPT_DIR/../../src $extension_path
 
 glib-compile-schemas $extension_path/schemas
+
+pushd $extension_path
+GNOME_MANIFEST_LINE=$(find -L . -type f ! -name "*.compiled" -exec sha256sum {} \; | sort | sha256sum | sed 's/ .*//')
+popd
+
+pushd $DATA_DIR
+echo -e "$GNOME_MANIFEST_LINE breezydesktop@xronlinux.com" > manifest
+popd

gnome/src/cursormanager.js

@@ -6,8 +6,9 @@ import Globals from './globals.js';
 
 // Taken from https://github.com/jkitching/soft-brightness-plus
 export class CursorManager {
-    constructor(mainActor) {
+    constructor(mainActor, refreshRate) {
         this._mainActor = mainActor;
+        this._refreshRate = refreshRate;
 
         this._changeHookFn = null;
 
@@ -26,7 +27,6 @@ export class CursorManager {
         this._cursorWatch = null;
         this._cursorChangedConnection = null;
         this._cursorVisibilityChangedConnection = null;
-        this._cursorPositionInvalidatedConnection = null;
     }
 
     enable() {
@@ -130,10 +130,9 @@ export class CursorManager {
                 this._mainActor.add_actor(this._cursorActor);
             }
             this._cursorChangedConnection = this._cursorTracker.connect('cursor-changed', this._updateMouseSprite.bind(this));
-            this._cursorVisibilityChangedConnection = this._cursorTracker.connect('visibility-changed', this._updateMouseSprite.bind(this));
+            this._cursorVisibilityChangedConnection = this._cursorTracker.connect('visibility-changed', this._handleVisibilityChanged.bind(this));
-            this._cursorPositionInvalidatedConnection = this._cursorTracker.connect('position-invalidated', this._updateMouseSprite.bind(this));
 
-            const interval = 1000 / 250;
+            const interval = 1000 / this._refreshRate;
             this._cursorWatch = this._cursorWatcher.addWatch(interval, this._updateMousePosition.bind(this));
 
             const [x, y] = global.get_pointer();
@@ -164,14 +163,15 @@ export class CursorManager {
             this._cursorWatch.remove();
             this._cursorWatch = null;
 
+            if (this._cursorChangedConnection) {
                 this._cursorTracker.disconnect(this._cursorChangedConnection);
                 this._cursorChangedConnection = null;
+            }
 
+            if (this._cursorVisibilityChangedConnection) {
                 this._cursorTracker.disconnect(this._cursorVisibilityChangedConnection);
                 this._cursorVisibilityChangedConnection = null;
-
+            }
-            this._cursorTracker.disconnect(this._cursorPositionInvalidatedConnection);
-            this._cursorPositionInvalidatedConnection = null;
 
             if (Clutter.Container === undefined) {
                 this._mainActor.remove_child(this._cursorActor);
@@ -180,10 +180,6 @@ export class CursorManager {
             }
         }
 
-        if (this._cursorTracker.set_keep_focus_while_hidden) {
-            this._cursorTracker.set_keep_focus_while_hidden(false);
-        }
-
         if (this._cursorUnfocusInhibited) {
             Globals.logger.log_debug('uninhibit_unfocus');
             this._cursorSeat.uninhibit_unfocus();
@@ -209,8 +205,6 @@ export class CursorManager {
             translation_x: -xHot,
             translation_y: -yHot,
         });
-        this._mainActor.set_child_above_sibling(this._cursorActor, null);
-        this._cursorTrackerSetPointerVisibleBound(false);
 
         // some other processes are uninhibiting when they shouldn't, so we need to re-inhibit here
         if (!this._cursorSeat.is_unfocus_inhibited() && this._cursorUnfocusInhibited) {
@@ -218,4 +212,12 @@ export class CursorManager {
             this._cursorSeat.inhibit_unfocus();
         }
     }
+
+    _handleVisibilityChanged() {
+        this._cursorTrackerSetPointerVisibleBound(false);
+    }
+
+    handleStageChildAdded() {
+        this._mainActor.set_child_above_sibling(this._cursorActor, null);
+    }
 }

gnome/src/extension.js

@@ -40,8 +40,12 @@ export default class BreezyDesktopExtension extends Extension {
         this._distance_binding = null;
         this._distance_connection = null;
         this._follow_threshold_connection = null;
+        this._widescreen_mode_connection = null;
         this._start_binding = null;
         this._end_binding = null;
+        this._stage_child_connection = null;
+        this._curved_display_binding = null;
+        this._display_size_binding = null;
 
         if (!Globals.logger) {
             Globals.logger = new Logger({
@@ -153,7 +157,7 @@ export default class BreezyDesktopExtension extends Extension {
             this._is_effect_running = true;
 
             try {
-                this._cursor_manager = new CursorManager(Main.layoutManager.uiGroup);
+                this._cursor_manager = new CursorManager(Main.layoutManager.uiGroup, this._refresh_rate);
                 this._cursor_manager.enable();
 
                 this._overlay = new St.Bin({ style: 'background-color: rgba(0, 0, 0, 1);'});
@@ -186,12 +190,21 @@ export default class BreezyDesktopExtension extends Extension {
 
                 this._update_display_distance(this.settings);
                 this._update_follow_threshold(this.settings);
+                this._update_widescreen_mode(this.settings);
 
                 this._distance_binding = this.settings.bind('display-distance', this._xr_effect, 'display-distance', Gio.SettingsBindFlags.DEFAULT)
                 this._distance_connection = this.settings.connect('changed::display-distance', this._update_display_distance.bind(this))
                 this._follow_threshold_connection = this.settings.connect('changed::follow-threshold', this._update_follow_threshold.bind(this))
+                this._widescreen_mode_connection = this.settings.connect('changed::widescreen-mode', this._update_widescreen_mode.bind(this))
                 this._start_binding = this.settings.bind('toggle-display-distance-start', this._xr_effect, 'toggle-display-distance-start', Gio.SettingsBindFlags.DEFAULT)
                 this._end_binding = this.settings.bind('toggle-display-distance-end', this._xr_effect, 'toggle-display-distance-end', Gio.SettingsBindFlags.DEFAULT)
+                this._curved_display_binding = this.settings.bind('curved-display', this._xr_effect, 'curved-display', Gio.SettingsBindFlags.DEFAULT)
+                this._display_size_binding = this.settings.bind('widescreen-display-size', this._xr_effect, 'widescreen-display-size', Gio.SettingsBindFlags.DEFAULT)
+                if (Clutter.Container === undefined) {
+                    this._stage_child_connection = global.stage.connect('child-added', this._cursor_manager.handleStageChildAdded);
+                } else {
+                    this._stage_child_connection = global.stage.connect('actor-added', this._cursor_manager.handleStageChildAdded);
+                }
 
                 this._overlay.add_effect_with_name('xr-desktop', this._xr_effect);
                 Meta.disable_unredirect_for_display(global.display);
@@ -258,6 +271,12 @@ export default class BreezyDesktopExtension extends Extension {
         if (value !== undefined) this._write_control('breezy_desktop_follow_threshold', value);
     }
 
+    _update_widescreen_mode(settings, event) {
+        const value = settings.get_boolean('widescreen-mode');
+        Globals.logger.log_debug(`BreezyDesktopExtension _update_widescreen_mode ${value}`);
+        if (value !== undefined) this._write_control('sbs_mode', value ? 'enable' : 'disable');
+    }
+
     _recenter_display() {
         Globals.logger.log_debug('BreezyDesktopExtension _recenter_display');
         this._write_control('recenter_screen', 'true');
@@ -299,6 +318,10 @@ export default class BreezyDesktopExtension extends Extension {
                 this.settings.disconnect(this._follow_threshold_connection);
                 this._follow_threshold_connection = null;
             }
+            if (this._widescreen_mode_connection) {
+                this.settings.disconnect(this._widescreen_mode_connection);
+                this._widescreen_mode_connection = null;
+            }
             if (this._start_binding) {
                 this.settings.unbind(this._start_binding);
                 this._start_binding = null;
@@ -307,6 +330,18 @@ export default class BreezyDesktopExtension extends Extension {
                 this.settings.unbind(this._end_binding);
                 this._end_binding = null;
             }
+            if (this._curved_display_binding) {
+                this.settings.unbind(this._curved_display_binding);
+                this._curved_display_binding = null;
+            }
+            if (this._display_size_binding) {
+                this.settings.unbind(this._display_size_binding);
+                this._display_size_binding = null;
+            }
+            if (this._stage_child_connection) {
+                global.stage.disconnect(this._stage_child_connection);
+                this._stage_child_connection = null;
+            }
             if (this._xr_effect) {
                 this._xr_effect.cleanup();
                 this._xr_effect = null;

gnome/src/xrEffect.js

@@ -50,20 +50,20 @@ const shaderUniformLocations = {
     'imu_quat_data': null,
     'look_ahead_cfg': null,
     'look_ahead_ms': null,
-    'stage_aspect_ratio': null,
-    'display_aspect_ratio': null,
     'trim_width_percent': null,
     'trim_height_percent': null,
-    'display_zoom': null,
+    'display_size': null,
     'display_north_offset': null,
     'lens_distance_ratio': null,
     'sbs_enabled': null,
     'sbs_content': null,
+    'sbs_mode_stretched': null,
     'custom_banner_enabled': null,
     'half_fov_z_rads': null,
     'half_fov_y_rads': null,
-    'screen_distance': null,
+    'source_resolution': null,
-    'display_res': null
+    'display_resolution': null,
+    'curved_display': null
 };
 
 function setUniformFloat(effect, locationName, dataViewInfo, value) {
@@ -119,22 +119,19 @@ function setIntermittentUniformVariables() {
         const imuData = dataViewFloatArray(dataView, IMU_QUAT_DATA);
         const imuResetState = validKeepalive && imuData[0] === 0.0 && imuData[1] === 0.0 && imuData[2] === 0.0 && imuData[3] === 1.0;
         const enabled = dataViewUint8(dataView, ENABLED) !== 0 && version === DATA_LAYOUT_VERSION && validKeepalive;
+        const displayRes = dataViewUintArray(dataView, DISPLAY_RES);
 
         if (enabled) {
-            const displayRes = dataViewUintArray(dataView, DISPLAY_RES);
             const displayFov = dataViewFloat(dataView, DISPLAY_FOV);
-            const lensDistanceRatio = dataViewFloat(dataView, LENS_DISTANCE_RATIO);
 
             // compute these values once, they only change when the XR device changes
             const displayAspectRatio = displayRes[0] / displayRes[1];
-            const stageAspectRatio = this.target_monitor.width / this.target_monitor.height;
+            const diagToVertRatio = Math.sqrt(Math.pow(displayAspectRatio, 2) + 1);
-            const diagToVertRatio = Math.sqrt(Math.pow(stageAspectRatio, 2) + 1);
             const halfFovZRads = degreeToRadian(displayFov / diagToVertRatio) / 2;
-            const halfFovYRads = halfFovZRads * stageAspectRatio;
+            const halfFovYRads = halfFovZRads * displayAspectRatio;
-            const screenDistance = 1.0 - lensDistanceRatio;
 
             // our overlay doesn't quite cover the full screen texture, which allows us to see some of the real desktop
-            // underneath, so we trim two pixels around the entire edge of the texture
+            // underneath, so we trim three pixels around the entire edge of the texture
             const trimWidthPercent = 3.0 / this.target_monitor.width;
             const trimHeightPercent = 3.0 / this.target_monitor.height;
             
@@ -143,26 +140,23 @@ function setIntermittentUniformVariables() {
             transferUniformFloat(this, 'lens_distance_ratio', dataView, LENS_DISTANCE_RATIO);
 
             // computed values with no dataViewInfo, so we set these manually
-            setSingleFloat(this, 'stage_aspect_ratio', stageAspectRatio);
-            setSingleFloat(this, 'display_aspect_ratio', displayAspectRatio);
             setSingleFloat(this, 'trim_width_percent', trimWidthPercent);
             setSingleFloat(this, 'trim_height_percent', trimHeightPercent);
             setSingleFloat(this, 'half_fov_z_rads', halfFovZRads);
             setSingleFloat(this, 'half_fov_y_rads', halfFovYRads);
-            setSingleFloat(this, 'screen_distance', screenDistance);
+            setSingleFloat(this, 'curved_display', this.curved_display ? 1.0 : 0.0);
-
-            // TOOD - drive from settings
-            setSingleFloat(this, 'display_zoom', 1.0);
         }
 
         // these variables are always in play, even if enabled is false
         setSingleFloat(this, 'enabled', enabled ? 1.0 : 0.0);
         setSingleFloat(this, 'show_banner', imuResetState ? 1.0 : 0.0);
-        setSingleFloat(this, 'sbs_content', 0.0); // TOOD - drive from settings
+        setSingleFloat(this, 'sbs_content', 0.0); // TODO - drive from settings
+        setSingleFloat(this, 'sbs_mode_stretched', 1.0); // content always fills the whole display
         setSingleFloat(this, 'sbs_enabled', dataViewUint8(dataView, SBS_ENABLED) !== 0 ? 1.0 : 0.0);
         setSingleFloat(this, 'custom_banner_enabled', dataViewUint8(dataView, CUSTOM_BANNER_ENABLED) !== 0 ? 1.0 : 0.0);
 
-        this.set_uniform_float(shaderUniformLocations['display_res'], 2, [this.target_monitor.width, this.target_monitor.height]);
+        this.set_uniform_float(shaderUniformLocations['display_resolution'], 2, displayRes);
+        this.set_uniform_float(shaderUniformLocations['source_resolution'], 2, [this.target_monitor.width, this.target_monitor.height]);
     } else if (dataView.byteLength !== 0) {
         Globals.logger.log(`ERROR: Invalid dataView.byteLength: ${dataView.byteLength} !== ${DATA_VIEW_LENGTH}`)
     }
@@ -208,6 +202,22 @@ export const XREffect = GObject.registerClass({
             0.2, 
             2.5, 
             1.05
+        ),
+        'curved-display': GObject.ParamSpec.boolean(
+            'curved-display',
+            'Curved Display',
+            'Whether the display is curved',
+            GObject.ParamFlags.READWRITE,
+            false
+        ),
+        'widescreen-display-size': GObject.ParamSpec.double(
+            'widescreen-display-size',
+            'Widescreen display size',
+            'Size of the display when in widescreen/SBS mode',
+            GObject.ParamFlags.READWRITE,
+            0.2,
+            2.5,
+            1.0
         )
     }
 }, class XREffect extends Shell.GLSLEffect {
@@ -295,6 +305,7 @@ export const XREffect = GObject.registerClass({
                 setSingleFloat(this, 'display_north_offset', this.display_distance);
                 setSingleFloat(this, 'look_ahead_ms', lookAheadMS(this._dataView));
                 setUniformMatrix(this, 'imu_quat_data', 4, this._dataView, IMU_QUAT_DATA);
+                setSingleFloat(this, 'display_size', this.widescreen_display_size);
             } else if (this._dataView.byteLength !== 0) {
                 Globals.logger.log(`ERROR: Invalid dataView.byteLength: ${this._dataView.byteLength} !== ${DATA_VIEW_LENGTH}`)
             }

modules/sombrero

@@ -1 +1 @@
-Subproject commit 26ece497d36bbe2a7445ea2f4e1cce31c35daa3a
+Subproject commit 3f712c2aeffcae41d238e146acc97c145ab9647b

ui/data/com.xronlinux.BreezyDesktop.gschema.xml

@@ -64,6 +64,33 @@
         End distance when using the "toggle display distance" shortcut.
       </description>
     </key>
+    <key name="widescreen-mode" type="b">
+      <default>
+        false
+      </default>
+      <summary>Widescreen mode</summary>
+      <description>
+        Enable widescreen/SBS mode
+      </description>
+    </key>
+    <key name="widescreen-display-size" type="d">
+      <default>
+        1.0
+      </default>
+      <summary>Widescreen display size</summary>
+      <description>
+        The size of the display when in widescreen/SBS mode
+      </description>
+    </key>
+    <key name="curved-display" type="b">
+      <default>
+        false
+      </default>
+      <summary>Curved display</summary>
+      <description>
+        Enable curved display mode
+      </description>
+    </key>
     <key name="developer-mode" type="b">
       <default>
         false

ui/src/connecteddevice.py

@@ -10,13 +10,21 @@ from .xrdriveripc import XRDriverIPC
 class ConnectedDevice(Gtk.Box):
     __gtype_name__ = "ConnectedDevice"
 
+    device_label = Gtk.Template.Child()
     effect_enable_switch = Gtk.Template.Child()
+    display_distance_row = Gtk.Template.Child()
     display_distance_scale = Gtk.Template.Child()
     display_distance_adjustment = Gtk.Template.Child()
     follow_threshold_scale = Gtk.Template.Child()
     follow_threshold_adjustment = Gtk.Template.Child()
     follow_mode_switch = Gtk.Template.Child()
-    device_label = Gtk.Template.Child()
+    widescreen_mode_switch = Gtk.Template.Child()
+    widescreen_display_distance_row = Gtk.Template.Child()
+    widescreen_display_distance_scale = Gtk.Template.Child()
+    widescreen_display_distance_adjustment = Gtk.Template.Child()
+    widescreen_display_size_scale = Gtk.Template.Child()
+    widescreen_display_size_adjustment = Gtk.Template.Child()
+    curved_display_switch = Gtk.Template.Child()
     set_toggle_display_distance_start_button = Gtk.Template.Child()
     set_toggle_display_distance_end_button = Gtk.Template.Child()
     reassign_recenter_display_shortcut_button = Gtk.Template.Child()
@@ -33,6 +41,10 @@ class ConnectedDevice(Gtk.Box):
             self.display_distance_scale,
             self.follow_mode_switch,
             self.follow_threshold_scale,
+            self.widescreen_mode_switch,
+            self.widescreen_display_distance_scale,
+            self.widescreen_display_size_scale,
+            self.curved_display_switch,
             self.set_toggle_display_distance_start_button,
             self.set_toggle_display_distance_end_button,
             self.reassign_recenter_display_shortcut_button,
@@ -45,7 +57,11 @@ class ConnectedDevice(Gtk.Box):
         self.extensions_manager = ExtensionsManager.get_instance()
 
         self.settings.bind('display-distance', self.display_distance_adjustment, 'value', Gio.SettingsBindFlags.DEFAULT)
+        self.settings.bind('display-distance', self.widescreen_display_distance_adjustment, 'value', Gio.SettingsBindFlags.DEFAULT)
         self.settings.bind('follow-threshold', self.follow_threshold_adjustment, 'value', Gio.SettingsBindFlags.DEFAULT)
+        self.settings.bind('widescreen-mode', self.widescreen_mode_switch, 'active', Gio.SettingsBindFlags.DEFAULT)
+        self.settings.bind('widescreen-display-size', self.widescreen_display_size_adjustment, 'value', Gio.SettingsBindFlags.DEFAULT)
+        self.settings.bind('curved-display', self.curved_display_switch, 'active', Gio.SettingsBindFlags.DEFAULT)
 
         bind_shortcut_settings(self.get_parent(), [
             [self.reassign_recenter_display_shortcut_button, self.recenter_display_shortcut_label],
@@ -65,6 +81,8 @@ class ConnectedDevice(Gtk.Box):
         self.follow_mode_switch.set_active(self.state_manager.follow_mode)
         self.follow_mode_switch.connect('notify::active', self._refresh_follow_mode)
 
+        self.widescreen_mode_switch.connect('notify::active', self._refresh_widescreen_mode)
+
         self.effect_enable_switch.set_active(self._is_config_enabled(self.ipc.retrieve_config()) and self.extensions_manager.is_enabled())
         self.effect_enable_switch.connect('notify::active', self._refresh_inputs_for_enabled_state)
 
@@ -84,6 +102,13 @@ class ConnectedDevice(Gtk.Box):
     def _is_config_enabled(self, config):
         return config.get('disabled') == False and 'breezy_desktop' in config.get('external_mode', [])
 
+    def _refresh_widescreen_mode(self, switch, param):
+        widescreen_mode_enabled = switch.get_active()
+        self.widescreen_display_distance_row.set_visible(widescreen_mode_enabled)
+        self.display_distance_row.set_visible(not widescreen_mode_enabled)
+        for widget in [self.widescreen_display_distance_scale, self.widescreen_display_size_scale]:
+            widget.set_sensitive(widescreen_mode_enabled)
+    
     def _refresh_inputs_for_enabled_state(self, switch, param):
         requesting_enabled = switch.get_active()
         self.extensions_manager.set_property('breezy-enabled', requesting_enabled)
@@ -98,7 +123,9 @@ class ConnectedDevice(Gtk.Box):
         for widget in self.all_enabled_state_inputs:
             widget.set_sensitive(requesting_enabled)
         
-        if requesting_enabled: self._refresh_follow_mode(self.follow_mode_switch, None)
+        if requesting_enabled: 
+            self._refresh_follow_mode(self.follow_mode_switch, None)
+            self._refresh_widescreen_mode(self.widescreen_mode_switch, None)
 
     def _refresh_follow_mode(self, switch, param):
         self.follow_threshold_scale.set_sensitive(switch.get_active())
@@ -121,6 +148,7 @@ class ConnectedDevice(Gtk.Box):
         self.state_manager.unbind_property('follow-mode', self.follow_mode_switch, 'active')
         self.settings.unbind('display-distance', self.display_distance_adjustment, 'value')
         self.settings.unbind('follow-threshold', self.follow_threshold_adjustment, 'value')
+        self.settings.unbind('widescreen-mode', self.widescreen_mode_switch, 'active')
         self.extensions_manager.unbind_property('breezy-enabled', self.effect_enable_switch, 'active')
 
 def reload_display_distance_toggle_button(widget):

ui/src/gtk/connected-device.ui

@@ -38,7 +38,7 @@
           </object>
         </child>
         <child>
-          <object class="AdwActionRow">
+          <object class="AdwActionRow" id="display_distance_row">
             <property name="title" translatable="true">Display distance</property>
             <child>
               <object class="GtkScale" id="display_distance_scale">
@@ -100,6 +100,93 @@
             </child>
           </object>
         </child>
+        <child>
+          <object class="AdwActionRow">
+            <property name="title" translatable="true">Curved display</property>
+            <property name="subtitle" translatable="true">Switch between flat and curved displays</property>
+            <property name="valign">2</property>
+            <child>
+              <object class="GtkSwitch" id="curved_display_switch">
+                <property name="valign">3</property>
+              </object>
+            </child>
+          </object>
+        </child>
+      </object>
+    </child><child>
+      <object class="AdwPreferencesGroup">
+        <property name="title" translatable="true">Widescreen</property>
+        <property name="description" translatable="true">Widescreen mode switches your glasses into side-by-side mode and doubles the width of the display</property>
+        <child>
+          <object class="AdwActionRow">
+            <property name="title" translatable="true">Enable widescreen</property>
+            <property name="subtitle" translatable="true">Switches your glasses into side-by-side mode</property>
+            <property name="valign">2</property>
+            <child>
+              <object class="GtkSwitch" id="widescreen_mode_switch">
+                <property name="valign">3</property>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="AdwActionRow" id="widescreen_display_distance_row">
+            <property name="title" translatable="true">Display distance</property>
+            <property name="subtitle" translatable="true">Move the screen closer or further using SBS depth</property>
+            <child>
+              <object class="GtkScale" id="widescreen_display_distance_scale">
+                <property name="valign">3</property>
+                <property name="draw-value">true</property>
+                <property name="value-pos">0</property>
+                <property name="digits">2</property>
+                <property name="width-request">350</property>
+                <property name="has-origin">false</property>
+                <property name="adjustment">
+                  <object class="GtkAdjustment" id="widescreen_display_distance_adjustment">
+                    <property name="lower">0.2</property>
+                    <property name="upper">2.5</property>
+                    <property name="step-increment">0.01</property>
+                    <property name="value">1.05</property>
+                  </object>
+                </property>
+                <marks>
+                  <mark value="0.2" position="bottom"></mark>
+                  <mark value="1.0" position="bottom"></mark>
+                  <mark value="2.5" position="bottom"></mark>
+                </marks>
+              </object>
+            </child>
+          </object>
+        </child>
+        <child>
+          <object class="AdwActionRow">
+            <property name="title" translatable="true">Display size</property>
+            <property name="subtitle" translatable="true">Combine with display distance to achieve a comfortable level of depth and size</property>
+            <child>
+              <object class="GtkScale" id="widescreen_display_size_scale">
+                <property name="valign">3</property>
+                <property name="draw-value">true</property>
+                <property name="value-pos">0</property>
+                <property name="digits">2</property>
+                <property name="width-request">350</property>
+                <property name="has-origin">false</property>
+                <property name="adjustment">
+                  <object class="GtkAdjustment" id="widescreen_display_size_adjustment">
+                    <property name="lower">0.2</property>
+                    <property name="upper">2.5</property>
+                    <property name="step-increment">0.01</property>
+                    <property name="value">1.0</property>
+                  </object>
+                </property>
+                <marks>
+                  <mark value="0.2" position="bottom"></mark>
+                  <mark value="1.0" position="bottom"></mark>
+                  <mark value="2.5" position="bottom"></mark>
+                </marks>
+              </object>
+            </child>
+          </object>
+        </child>
       </object>
     </child>
     <child>

ui/src/statemanager.py

@@ -22,6 +22,7 @@ class StateManager(GObject.GObject):
     __gproperties__ = {
         'follow-mode': (bool, 'Follow Mode', 'Whether the follow mode is enabled', False, GObject.ParamFlags.READWRITE),
         'follow-threshold': (float, 'Follow Threshold', 'The follow threshold', 1.0, 45.0, 15.0, GObject.ParamFlags.READWRITE),
+        'widescreen-mode': (bool, 'Widescreen Mode', 'Whether widescreen mode is enabled', False, GObject.ParamFlags.READWRITE),
         'license-action-needed': (bool, 'License Action Needed', 'Whether the license needs attention', False, GObject.ParamFlags.READWRITE),
         'license-present': (bool, 'License Present', 'Whether a license is present', False, GObject.ParamFlags.READWRITE),
         'enabled-features-list': (object, 'Enabled Features List', 'A list of the enabled features', GObject.ParamFlags.READWRITE),
@@ -94,12 +95,15 @@ class StateManager(GObject.GObject):
             self.set_property('license-present', False)
 
         self.set_property('follow-mode', self.state.get('breezy_desktop_smooth_follow_enabled'))
+        self.set_property('widescreen-mode', self.state.get('sbs_mode_enabled') == 'true')
 
         if self.running: threading.Timer(1.0, self._refresh_state).start()
 
     def do_set_property(self, prop, value):
         if prop.name == 'follow-mode':
             self.follow_mode = value
+        if prop.name == 'widescreen-mode':
+            self.widescreen_mode = value
         if prop.name == 'license-action-needed':
             self.license_action_needed = value
         if prop.name == 'license-present':
@@ -110,6 +114,8 @@ class StateManager(GObject.GObject):
     def do_get_property(self, prop):
         if prop.name == 'follow-mode':
             return self.follow_mode
+        if prop.name == 'widescreen-mode':
+            return self.widescreen_mode
         if prop.name == 'license-action-needed':
             return self.license_action_needed
         if prop.name == 'license-present':