feat(desktop): add native Wayland toggle on Linux (#11971)

Co-authored-by: Brendan Allan <git@brendonovich.dev>

packages/app/src/components/settings-general.tsx

@@ -1,8 +1,10 @@
-import { Component, createMemo, type JSX } from "solid-js"
+import { Component, Show, createEffect, createMemo, createResource, type JSX } from "solid-js"
 import { createStore } from "solid-js/store"
 import { Button } from "@opencode-ai/ui/button"
+import { Icon } from "@opencode-ai/ui/icon"
 import { Select } from "@opencode-ai/ui/select"
 import { Switch } from "@opencode-ai/ui/switch"
+import { Tooltip } from "@opencode-ai/ui/tooltip"
 import { useTheme, type ColorScheme } from "@opencode-ai/ui/theme"
 import { showToast } from "@opencode-ai/ui/toast"
 import { useLanguage } from "@/context/language"
@@ -40,6 +42,8 @@ export const SettingsGeneral: Component = () => {
     checking: false,
   })
 
+  const linux = createMemo(() => platform.platform === "desktop" && platform.os === "linux")
+
   const check = () => {
     if (!platform.checkUpdate) return
     setStore("checking", true)
@@ -410,13 +414,49 @@ export const SettingsGeneral: Component = () => {
             </SettingsRow>
           </div>
         </div>
+
+        <Show when={linux()}>
+          {(_) => {
+            const [valueResource, actions] = createResource(() => platform.getDisplayBackend?.())
+            const value = () => (valueResource.state === "pending" ? undefined : valueResource.latest)
+
+            const onChange = (checked: boolean) =>
+              platform.setDisplayBackend?.(checked ? "wayland" : "auto").finally(() => actions.refetch())
+
+            return (
+              <div class="flex flex-col gap-1">
+                <h3 class="text-14-medium text-text-strong pb-2">{language.t("settings.general.section.display")}</h3>
+
+                <div class="bg-surface-raised-base px-4 rounded-lg">
+                  <SettingsRow
+                    title={
+                      <div class="flex items-center gap-2">
+                        <span>{language.t("settings.general.row.wayland.title")}</span>
+                        <Tooltip value={language.t("settings.general.row.wayland.tooltip")} placement="top">
+                          <span class="text-text-weak">
+                            <Icon name="help" size="small" />
+                          </span>
+                        </Tooltip>
+                      </div>
+                    }
+                    description={language.t("settings.general.row.wayland.description")}
+                  >
+                    <div data-action="settings-wayland">
+                      <Switch checked={value() === "wayland"} onChange={onChange} />
+                    </div>
+                  </SettingsRow>
+                </div>
+              </div>
+            )
+          }}
+        </Show>
       </div>
     </div>
   )
 }
 
 interface SettingsRowProps {
-  title: string
+  title: string | JSX.Element
   description: string | JSX.Element
   children: JSX.Element
 }

packages/app/src/context/platform.tsx

@@ -57,6 +57,12 @@ export type Platform = {
   /** Set the default server URL to use on app startup (platform-specific) */
   setDefaultServerUrl?(url: string | null): Promise<void> | void
 
+  /** Get the preferred display backend (desktop only) */
+  getDisplayBackend?(): Promise<DisplayBackend | null> | DisplayBackend | null
+
+  /** Set the preferred display backend (desktop only) */
+  setDisplayBackend?(backend: DisplayBackend): Promise<void>
+
   /** Parse markdown to HTML using native parser (desktop only, returns unprocessed code blocks) */
   parseMarkdown?(markdown: string): Promise<string>
 
@@ -70,6 +76,8 @@ export type Platform = {
   readClipboardImage?(): Promise<File | null>
 }
 
+export type DisplayBackend = "auto" | "wayland"
+
 export const { use: usePlatform, provider: PlatformProvider } = createSimpleContext({
   name: "Platform",
   init: (props: { value: Platform }) => {

packages/app/src/i18n/en.ts

@@ -588,6 +588,7 @@ export const dict = {
   "settings.general.section.notifications": "System notifications",
   "settings.general.section.updates": "Updates",
   "settings.general.section.sounds": "Sound effects",
+  "settings.general.section.display": "Display",
 
   "settings.general.row.language.title": "Language",
   "settings.general.row.language.description": "Change the display language for OpenCode",
@@ -598,6 +599,11 @@ export const dict = {
   "settings.general.row.font.title": "Font",
   "settings.general.row.font.description": "Customise the mono font used in code blocks",
 
+  "settings.general.row.wayland.title": "Use native Wayland",
+  "settings.general.row.wayland.description": "Disable X11 fallback on Wayland. Requires restart.",
+  "settings.general.row.wayland.tooltip":
+    "On Linux with mixed refresh-rate monitors, native Wayland can be more stable.",
+
   "settings.general.row.releaseNotes.title": "Release notes",
   "settings.general.row.releaseNotes.description": "Show What's New popups after updates",
 

packages/app/src/index.ts

@@ -1,3 +1,3 @@
-export { PlatformProvider, type Platform } from "./context/platform"
+export { PlatformProvider, type Platform, type DisplayBackend } from "./context/platform"
 export { AppBaseProviders, AppInterface } from "./app"
 export { useCommand } from "./context/command"