Add curated XKB option presets

config/dot/quickshell/modules/settings/ShortcutsPage.qml

@@ -21,6 +21,25 @@ SettingsPage {
     // when nothing is being captured. Held here rather than per row so that
     // starting a new capture cancels any other.
     property string capturingChord: ""
+    readonly property string storedXkbOptions: String(DesktopPreferences.get("keyboardOptions") ?? "")
+
+    function xkbOptions(): var {
+        return root.storedXkbOptions
+            .split(",")
+            .map(option => option.trim())
+            .filter(option => option !== "");
+    }
+
+    function currentXkbOption(prefix: string): string {
+        return root.xkbOptions().find(option => option.indexOf(prefix) === 0) ?? "";
+    }
+
+    function setXkbOption(prefix: string, option: string): void {
+        const options = root.xkbOptions().filter(option => option.indexOf(prefix) !== 0);
+        if (option !== "")
+            options.push(option);
+        SystemSettings.commitPreference("keyboardOptions", options.join(","));
+    }
 
     title: "Input & Shortcuts"
     lede: "The Forge mental model, carried forward into native tiling."
@@ -35,6 +54,52 @@ SettingsPage {
         // they are real controls.
         TextEntryRow { setting: "keyboardLayout"; placeholder: "us" }
         TextEntryRow { setting: "keyboardVariant"; placeholder: "none" }
+
+        ChoiceGrid {
+            width: parent.width
+            label: "Caps Lock"
+            detail: "Keep it conventional, or turn a prime keyboard position into Escape or Control"
+            current: root.currentXkbOption("caps:")
+            options: [
+                { value: "", label: "Standard" },
+                { value: "caps:escape_shifted_capslock", label: "Esc · Shift for Caps" },
+                { value: "caps:escape", label: "Escape" },
+                { value: "caps:ctrl_modifier", label: "Control" }
+            ]
+            onPicked: value => root.setXkbOption("caps:", value)
+        }
+
+        ChoiceGrid {
+            width: parent.width
+            label: "Compose key"
+            detail: "Type accented characters and symbols with memorable key sequences"
+            current: root.currentXkbOption("compose:")
+            options: [
+                { value: "", label: "Off" },
+                { value: "compose:ralt", label: "Right Alt" },
+                { value: "compose:rwin", label: "Right Super" },
+                { value: "compose:menu", label: "Menu" }
+            ]
+            onPicked: value => root.setXkbOption("compose:", value)
+        }
+
+        ChoiceGrid {
+            width: parent.width
+            label: "Layout switching"
+            detail: "Used when Keyboard layout contains more than one comma-separated layout"
+            current: root.currentXkbOption("grp:")
+            options: [
+                { value: "", label: "Off" },
+                { value: "grp:win_space_toggle", label: "Super + Space" },
+                { value: "grp:alt_shift_toggle", label: "Alt + Shift" },
+                { value: "grp:ctrl_shift_toggle", label: "Ctrl + Shift" },
+                { value: "grp:caps_toggle", label: "Caps Lock" }
+            ]
+            onPicked: value => root.setXkbOption("grp:", value)
+        }
+
+        // Presets preserve every option outside their own category. The raw
+        // value remains visible for less common xkeyboard-config features.
         TextEntryRow { setting: "keyboardOptions"; placeholder: "compose:ralt" }
         SliderRow { setting: "keyRepeatDelay" }
         SliderRow { setting: "keyRepeatRate" }