chore: test

* wip

* define config entries: width/height/resizable/detachable

* chore: window size

* fix: add default values for ViewExtensionUiSettings fields

* chore: open

* chore: add window size set

* wip

* chore: window size

* define config entries: width/height/resizable/detachable

* chore: open

* fix: add default values for ViewExtensionUiSettings fields

* chore: add window size set

* chore: up

* fix: consle error

* chore: up

* chore: up

* chore: up

* chore: up

* refactor: update

* fix: page error about install

* chore: up

* chore: ci error

* docs: update release notes

* style: adjust styles

---------

Co-authored-by: rain9 <15911122312@163.com>
Co-authored-by: ayang <473033518@qq.com>

.gitignore

@@ -29,4 +29,4 @@ web.md
 *.sw?
 .env
 
-.trae
+.trae

docs/content.en/docs/release-notes/_index.md

@@ -13,6 +13,7 @@ Information about release notes of Coco App is provided here.
 
 ### 🚀 Features
 
+- feat: resizable extension UI #1009
 - feat: add open button to launch installed extension #1013
 
 ### 🐛 Bug fix

src-tauri/Cargo.lock

@@ -1184,6 +1184,7 @@ dependencies = [
  "scraper",
  "semver",
  "serde",
+ "serde-inline-default",
  "serde_json",
  "serde_plain",
  "snafu",
@@ -6308,6 +6309,17 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-inline-default"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92d48532bc0781ac622a5fea0f16502d3b4f1af0fcebe56d618120969f35d315"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.111",
+]
+
 [[package]]
 name = "serde-untagged"
 version = "0.1.9"

src-tauri/Cargo.toml

@@ -122,6 +122,7 @@ actix-web = "4.11.0"
 tauri-plugin-clipboard-manager = "2"
 tauri-plugin-zustand = "1"
 snafu = "0.8.9"
+serde-inline-default = "1.0.0"
 
 [dev-dependencies]
 tempfile = "3.23.0"

src-tauri/Info.plist

@@ -36,6 +36,8 @@
   <string>Coco AI needs access to your microphone for voice input and audio recording features.</string>
   <key>NSCameraUsageDescription</key>
   <string>Coco AI requires camera access for scanning documents and capturing images.</string>
+  <key>NSCameraUseContinuityCameraDeviceType</key>
+  <true/>
   <key>NSSpeechRecognitionUsageDescription</key>
   <string>Coco AI uses speech recognition to convert your voice into text for a hands-free experience.</string>
   <key>NSAppleEventsUsageDescription</key>
@@ -43,4 +45,4 @@
   <key>NSAccessibility</key>
   <true/>
 </dict>
-</plist>
+</plist>

src-tauri/capabilities/default.json

@@ -31,6 +31,11 @@
     "core:window:deny-internal-toggle-maximize",
     "core:window:allow-set-shadow",
     "core:window:allow-set-position",
+    "core:window:allow-set-theme",
+    "core:window:allow-unminimize",
+    "core:window:allow-set-fullscreen",
+    "core:window:allow-set-resizable",
+    "core:window:allow-maximize",
     "core:app:allow-set-app-theme",
     "shell:default",
     "http:default",
@@ -65,12 +70,10 @@
     "fs-pro:default",
     "macos-permissions:default",
     "screenshots:default",
-    "core:window:allow-set-theme",
     "process:default",
     "updater:default",
     "windows-version:default",
     "log:default",
-    "opener:default",
-    "core:window:allow-unminimize"
+    "opener:default"
   ]
 }

src-tauri/src/extension/mod.rs

@@ -152,14 +152,31 @@ pub struct Extension {
 }
 
 /// Settings that control the built-in UI Components
+#[serde_inline_default::serde_inline_default]
 #[derive(Debug, Deserialize, Serialize, Clone, PartialEq)]
 pub(crate) struct ViewExtensionUISettings {
     /// Show the search bar
+    #[serde_inline_default(true)]
     search_bar: bool,
     /// Show the filter bar
+    #[serde_inline_default(true)]
     filter_bar: bool,
     /// Show the footer
+    #[serde_inline_default(true)]
     footer: bool,
+    /// The recommended width of the window for this extension
+    width: Option<u32>,
+    /// The recommended heigh of the window for this extension
+    height: Option<u32>,
+    /// Is the extension window's size adjustable?
+    #[serde_inline_default(false)]
+    resizable: bool,
+    /// Detch the extension window from Coco's main window.
+    ///
+    /// If true, user can click the detach button to open this
+    /// extension in a seprate window.
+    #[serde_inline_default(false)]
+    detachable: bool,
 }
 
 /// Bundle ID uniquely identifies an extension.

src-tauri/src/selection_monitor.rs

@@ -14,8 +14,8 @@ use once_cell::sync::Lazy;
 use std::sync::Mutex;
 use std::sync::atomic::{AtomicBool, Ordering};
 
-/// Global toggle: selection monitoring disabled for this release.
-static SELECTION_ENABLED: AtomicBool = AtomicBool::new(false);
+/// Global toggle: selection monitoring enabled by default.
+static SELECTION_ENABLED: AtomicBool = AtomicBool::new(true);
 
 /// Ensure we only start the monitor thread once. Allows delayed start after
 /// Accessibility permission is granted post-launch.
@@ -281,12 +281,19 @@ pub fn start_selection_monitor(app_handle: tauri::AppHandle) {
         let mut stable_text = String::new();
         let mut stable_count = 0;
         let mut empty_count = 0;
+        let mut loop_idx: u64 = 0;
 
         loop {
+            loop_idx = loop_idx.wrapping_add(1);
+            let verbose = loop_idx % 50 == 0; // Log roughly every 1.5s (30ms * 50)
+
             std::thread::sleep(Duration::from_millis(30));
 
             // If disabled: do not read AX / do not show popup; hide if currently visible.
             if !is_selection_enabled() {
+                if verbose {
+                    println!("[SelectionMonitor] Disabled");
+                }
                 if popup_visible {
                     let _ = app_handle.emit("selection-detected", "");
                     popup_visible = false;
@@ -301,6 +308,13 @@ pub fn start_selection_monitor(app_handle: tauri::AppHandle) {
             // system-wide focused element belongs to this process.
             let front_is_me = is_frontmost_app_me() || is_focused_element_me();
 
+            if verbose {
+                println!(
+                    "[SelectionMonitor] Loop heartbeat. front_is_me={}",
+                    front_is_me
+                );
+            }
+
             // When Coco is frontmost, disable detection but do NOT hide the popup.
             // Users may be clicking the popup; we must keep it visible.
             if front_is_me {
@@ -313,9 +327,16 @@ pub fn start_selection_monitor(app_handle: tauri::AppHandle) {
             // Lightweight retries to smooth out transient AX focus instability.
             let selected_text = {
                 // Up to 2 retries, 35ms apart.
-                read_selected_text_with_retries(2, 35)
+                read_selected_text_with_retries(2, 35, verbose)
             };
 
+            if verbose {
+                println!(
+                    "[SelectionMonitor] read_selected_text result: {:?}",
+                    selected_text
+                );
+            }
+
             match selected_text {
                 Some(text) if !text.is_empty() => {
                     empty_count = 0;
@@ -425,6 +446,7 @@ fn ensure_accessibility_permission(app_handle: &tauri::AppHandle) -> bool {
     }
 
     // Still not trusted — notify frontend and deep-link to settings.
+    println!("[SelectionMonitor] Accessibility permission NOT granted. Opening System Settings...");
     let _ = app_handle.emit("selection-permission-required", true);
     log::debug!(target: "coco_lib::selection_monitor", "selection-permission-required emitted");
 
@@ -563,12 +585,16 @@ fn is_focused_element_me() -> bool {
 /// Read the selected text of the frontmost application (without using the clipboard).
 /// macOS only. Returns `None` when the frontmost app is Coco to avoid false empties.
 #[cfg(target_os = "macos")]
-fn read_selected_text() -> Option<String> {
+fn read_selected_text(verbose: bool) -> Option<String> {
     use objc2_app_kit::NSWorkspace;
     use objc2_application_services::{AXError, AXUIElement};
     use objc2_core_foundation::{CFRetained, CFString, CFType};
     use std::ptr::NonNull;
 
+    if verbose {
+        println!("[SelectionMonitor] read_selected_text: Attempting to read...");
+    }
+
     // Prefer system-wide focused element; if unavailable, fall back to app/window focused element.
     let mut focused_ui_ptr: *const CFType = std::ptr::null();
     let focused_attr = CFString::from_static_str("AXFocusedUIElement");
@@ -583,12 +609,23 @@ fn read_selected_text() -> Option<String> {
                 .copy_attribute_value(&focused_attr, NonNull::new(&mut focused_ui_ptr).unwrap())
         };
         if err != AXError::Success {
+            if verbose {
+                println!(
+                    "[SelectionMonitor] Failed to get AXFocusedUIElement from system wide element: {:?}",
+                    err
+                );
+            }
             focused_ui_ptr = std::ptr::null();
         }
+    } else if verbose {
+        println!("[SelectionMonitor] AXUIElementCreateSystemWide returned null");
     }
 
     // Fallback to the frontmost app's focused/window element.
     if focused_ui_ptr.is_null() {
+        if verbose {
+            println!("[SelectionMonitor] System-wide focus not found, trying frontmost app...");
+        }
         let workspace = unsafe { NSWorkspace::sharedWorkspace() };
         let frontmost_app = unsafe { workspace.frontmostApplication() }?;
         let pid = unsafe { frontmost_app.processIdentifier() };
@@ -596,6 +633,9 @@ fn read_selected_text() -> Option<String> {
         // Skip if frontmost is Coco (this process).
         let my_pid = std::process::id() as i32;
         if pid == my_pid {
+            if verbose {
+                println!("[SelectionMonitor] Frontmost app is Coco, skipping.");
+            }
             return None;
         }
 
@@ -605,6 +645,12 @@ fn read_selected_text() -> Option<String> {
                 .copy_attribute_value(&focused_attr, NonNull::new(&mut focused_ui_ptr).unwrap())
         };
         if err != AXError::Success || focused_ui_ptr.is_null() {
+            if verbose {
+                println!(
+                    "[SelectionMonitor] Failed to get AXFocusedUIElement from app (pid={}), trying AXFocusedWindow...",
+                    pid
+                );
+            }
             // Try `AXFocusedWindow` as a lightweight fallback.
             let mut focused_window_ptr: *const CFType = std::ptr::null();
             let focused_window_attr = CFString::from_static_str("AXFocusedWindow");
@@ -615,9 +661,41 @@ fn read_selected_text() -> Option<String> {
                 )
             };
             if w_err != AXError::Success || focused_window_ptr.is_null() {
+                if verbose {
+                    println!(
+                        "[SelectionMonitor] Failed to get AXFocusedWindow from app (pid={})",
+                        pid
+                    );
+                }
                 return None;
             }
             focused_ui_ptr = focused_window_ptr;
+            let focused_window_elem: CFRetained<AXUIElement> = unsafe {
+                CFRetained::from_raw(
+                    NonNull::new(focused_window_ptr.cast::<AXUIElement>().cast_mut()).unwrap(),
+                )
+            };
+            let mut inner_focused_ptr: *const CFType = std::ptr::null();
+            let w_focused_err = unsafe {
+                focused_window_elem.copy_attribute_value(
+                    &focused_attr,
+                    NonNull::new(&mut inner_focused_ptr).unwrap(),
+                )
+            };
+            if w_focused_err == AXError::Success && !inner_focused_ptr.is_null() {
+                if verbose {
+                    println!(
+                        "[SelectionMonitor] Resolved AXFocusedUIElement via AXFocusedWindow (pid={})",
+                        pid
+                    );
+                }
+                focused_ui_ptr = inner_focused_ptr;
+            } else if verbose {
+                println!(
+                    "[SelectionMonitor] Failed to get AXFocusedUIElement from focused window (pid={}), err={:?}",
+                    pid, w_focused_err
+                );
+            }
         }
     }
 
@@ -635,6 +713,12 @@ fn read_selected_text() -> Option<String> {
         )
     };
     if err != AXError::Success || selected_text_ptr.is_null() {
+        if verbose {
+            println!(
+                "[SelectionMonitor] Failed to get AXSelectedText (err={:?})",
+                err
+            );
+        }
         return None;
     }
 
@@ -643,27 +727,40 @@ fn read_selected_text() -> Option<String> {
         CFRetained::from_raw(NonNull::new(selected_text_ptr.cast::<CFString>().cast_mut()).unwrap())
     };
 
-    Some(selected_cfstr.to_string())
+    let s = selected_cfstr.to_string();
+    if verbose {
+        println!("[SelectionMonitor] Success! Found text length: {}", s.len());
+    }
+    Some(s)
 }
 
 /// Read selected text with lightweight retries to handle transient AX focus instability.
 #[cfg(target_os = "macos")]
-fn read_selected_text_with_retries(retries: u32, delay_ms: u64) -> Option<String> {
+fn read_selected_text_with_retries(retries: u32, delay_ms: u64, verbose: bool) -> Option<String> {
     use std::thread;
     use std::time::Duration;
     for attempt in 0..=retries {
-        if let Some(text) = read_selected_text() {
+        if let Some(text) = read_selected_text(verbose) {
             if !text.is_empty() {
                 if attempt > 0 {
-                    // log::info!(
-                    //     "read_selected_text: 第{}次重试成功，获取到选中文本",
-                    //     attempt
-                    // );
+                    log::info!(
+                        "read_selected_text: 第{}次重试成功，获取到选中文本",
+                        attempt
+                    );
+                    if verbose {
+                        println!("[SelectionMonitor] Retry success on attempt {}", attempt);
+                    }
                 }
                 return Some(text);
             }
         }
         if attempt < retries {
+            if verbose {
+                println!(
+                    "[SelectionMonitor] Attempt {} failed/empty, retrying...",
+                    attempt
+                );
+            }
             thread::sleep(Duration::from_millis(delay_ms));
         }
     }

src-tauri/src/setup/mac.rs

@@ -32,7 +32,7 @@ pub fn platform(
     let panel = main_window.to_panel::<NsPanel>().unwrap();
 
     // set level
-    panel.set_level(PanelLevel::Utility.value());
+    panel.set_level(PanelLevel::Dock.value());
 
     // Do not steal focus from other windows
     panel.set_style_mask(StyleMask::empty().nonactivating_panel().into());

src-tauri/tauri.conf.json

@@ -20,7 +20,7 @@
         "width": 680,
         "decorations": false,
         "minimizable": false,
-        "maximizable": false,
+        "maximizable": true,
         "skipTaskbar": true,
         "resizable": false,
         "acceptFirstMouse": true,

src/components/Common/ErrorNotification/index.tsx

@@ -57,13 +57,13 @@ const ErrorNotification = ({
       >
         <div className="flex items-center">
           {visibleError.type === "error" && (
-            <AlertCircle className="w-5 h-5 text-red-500 mr-2" />
+            <AlertCircle className="size-5 shrink-0 text-red-500 mr-2" />
           )}
           {visibleError.type === "warning" && (
-            <AlertTriangle className="w-5 h-5 text-yellow-500 mr-2" />
+            <AlertTriangle className="size-5 shrink-0 text-yellow-500 mr-2" />
           )}
           {visibleError.type === "info" && (
-            <Info className="w-5 h-5 text-blue-500 mr-2" />
+            <Info className="size-5 shrink-0 text-blue-500 mr-2" />
           )}
 
           <span className="text-sm text-gray-700 dark:text-gray-200">
@@ -78,7 +78,7 @@ const ErrorNotification = ({
         </div>
 
         <X
-          className="w-5 h-5 ml-4 cursor-pointer text-gray-400 hover:text-gray-600"
+          className="size-5 shrink-0 ml-4 cursor-pointer text-gray-400 hover:text-gray-600"
           onClick={() => removeError(visibleError.id)}
         />
       </div>

src/components/Search/AssistantManager.tsx

@@ -1,5 +1,6 @@
 import { useCallback, useRef, useMemo, useState, useEffect } from "react";
 import { cloneDeep, isEmpty } from "lodash-es";
+import { useKeyPress } from "ahooks";
 
 import { useSearchStore } from "@/stores/searchStore";
 import { useExtensionsStore } from "@/stores/extensionsStore";
@@ -8,7 +9,6 @@ import { Get } from "@/api/axiosRequest";
 import type { Assistant } from "@/types/chat";
 import { useAppStore } from "@/stores/appStore";
 import { canNavigateBack, navigateBack } from "@/utils";
-import { useKeyPress } from "ahooks";
 import { useShortcutsStore } from "@/stores/shortcutsStore";
 
 interface AssistantManagerProps {
@@ -167,7 +167,7 @@ export function useAssistantManager({
     const { selectedSearchContent, visibleExtensionStore } =
       useSearchStore.getState();
 
-    console.log("selectedSearchContent", selectedSearchContent);
+    // console.log("selectedSearchContent", selectedSearchContent);
 
     const { id, type, category } = selectedSearchContent ?? {};
 

src/components/Search/ExtensionDetail.tsx

@@ -118,7 +118,7 @@ const ExtensionDetail: FC<ExtensionDetailProps> = (props) => {
                   </div>
                   <div className="flex items-center gap-1">
                     <FolderDown className="size-4" />
-                    <span>{selectedExtension.stats.installs}</span>
+                    <span>{selectedExtension.stats?.installs ?? 0}</span>
                   </div>
                 </div>
               </div>

src/components/Search/ExtensionStore.tsx

@@ -348,7 +348,7 @@ const ExtensionStore = ({
 
                     <div className="flex items-center gap-1 text-[#999]">
                       <FolderDown className="size-4" />
-                      <span>{stats.installs}</span>
+                      <span>{stats?.installs ?? 0}</span>
                     </div>
                   </div>
                 </div>

src/components/Search/InputControls.tsx

@@ -14,7 +14,7 @@ import { useShortcutsStore } from "@/stores/shortcutsStore";
 import { useAppStore } from "@/stores/appStore";
 import { useSearchStore } from "@/stores/searchStore";
 import { useExtensionsStore } from "@/stores/extensionsStore";
-import { parseSearchQuery, SearchQuery } from "@/utils";
+import { parseSearchQuery, SearchQuery, canNavigateBack } from "@/utils";
 import InputUpload from "./InputUpload";
 import Copyright from "../Common/Copyright";
 
@@ -283,7 +283,7 @@ const InputControls = ({
         </div>
       )}
 
-      {isChatPage || hasModules?.length !== 2 ? null : (
+      {isChatPage || hasModules?.length !== 2 || canNavigateBack() ? null : (
         <div className="relative w-16 flex justify-end items-center">
           <div className="absolute right-[52px] -top-2 z-10">
             <VisibleKey

src/components/Search/ViewExtension.tsx

@@ -1,19 +1,47 @@
 import React from "react";
-import { useState, useEffect, useMemo } from "react";
+import { useState, useEffect, useMemo, useRef, useCallback } from "react";
+import { useTranslation } from "react-i18next";
+import { Maximize2, Minimize2, Focus } from "lucide-react";
 
 import { useSearchStore } from "@/stores/searchStore";
 import {
   ExtensionFileSystemPermission,
   FileSystemAccess,
+  ViewExtensionUISettings,
 } from "../Settings/Extensions";
 import platformAdapter from "@/utils/platformAdapter";
 import { useShortcutsStore } from "@/stores/shortcutsStore";
+import { isMac } from "@/utils/platform";
+import { useAppStore } from "@/stores/appStore";
 
 const ViewExtension: React.FC = () => {
   const { viewExtensionOpened } = useSearchStore();
+
+  const isTauri = useAppStore((state) => state.isTauri);
+  
   // Complete list of the backend APIs, grouped by their category.
   const [apis, setApis] = useState<Map<string, string[]> | null>(null);
   const { setModifierKeyPressed } = useShortcutsStore();
+  const { t } = useTranslation();
+  const [isFullscreen, setIsFullscreen] = useState(false);
+  const prevWindowRef = useRef<{
+    width: number;
+    height: number;
+    resizable: boolean;
+    x: number;
+    y: number;
+  } | null>(null);
+  const fullscreenPrevRef = useRef<{
+    width: number;
+    height: number;
+    resizable: boolean;
+    x: number;
+    y: number;
+  } | null>(null);
+  const iframeRef = useRef<HTMLIFrameElement | null>(null);
+  const DEFAULT_VIEW_WIDTH = 1200;
+  const DEFAULT_VIEW_HEIGHT = 900;
+  const [scale, setScale] = useState(1);
 
   if (viewExtensionOpened == null) {
     // When this view gets loaded, this state should not be NULL.
@@ -156,7 +184,6 @@ const ViewExtension: React.FC = () => {
       }
     };
     window.addEventListener("message", messageHandler);
-    console.info("Coco extension API listener is up");
 
     return () => {
       window.removeEventListener("message", messageHandler);
@@ -164,15 +191,233 @@ const ViewExtension: React.FC = () => {
   }, [reversedApis, permission]); // Add apiPermissions as dependency
 
   const fileUrl = viewExtensionOpened[2];
+  const ui: ViewExtensionUISettings | undefined = useMemo(() => {
+    return viewExtensionOpened[4] as ViewExtensionUISettings | undefined;
+  }, [viewExtensionOpened]);
+  const resizable = ui?.resizable;
+
+  const baseWidth = useMemo(() => {
+    return ui && typeof ui?.width === "number" ? ui.width : DEFAULT_VIEW_WIDTH;
+  }, [ui]);
+  const baseHeight = useMemo(() => {
+    return ui && typeof ui?.height === "number" ? ui.height : DEFAULT_VIEW_HEIGHT;
+  }, [ui]);
+
+  const recomputeScale = useCallback(async () => {
+    const size = await platformAdapter.getWindowSize();
+    const nextScale = Math.min(size.width / baseWidth, size.height / baseHeight);
+    setScale(Math.max(nextScale, 0.1));
+  }, [baseWidth, baseHeight]);
+
+  const applyFullscreen = useCallback(
+    async (next: boolean) => {
+      if (next) {
+        const size = await platformAdapter.getWindowSize();
+        const resizable = await platformAdapter.isWindowResizable();
+        const pos = await platformAdapter.getWindowPosition();
+        fullscreenPrevRef.current = {
+          width: size.width,
+          height: size.height,
+          resizable,
+          x: pos.x,
+          y: pos.y,
+        };
+
+        if (isMac && isTauri) {
+          const monitor = await platformAdapter.getMonitorFromCursor();
+
+          if (!monitor) return;
+          const window = await platformAdapter.getCurrentWebviewWindow();
+          const factor = await window.scaleFactor();
+
+          const { size, position } = monitor;
+
+          const { width, height } = size.toLogical(factor);
+          const { x, y } = position.toLogical(factor);
+
+          await platformAdapter.setWindowSize(width, height);
+          await platformAdapter.setWindowPosition(x, y);
+          await platformAdapter.setWindowResizable(true);
+          await recomputeScale();
+        } else {
+          await platformAdapter.setWindowFullscreen(true);
+          await recomputeScale();
+        }
+      } else {
+        if (!isMac) {
+          await platformAdapter.setWindowFullscreen(false);
+        }
+        const nextWidth =
+          ui && typeof ui.width === "number" ? ui.width : DEFAULT_VIEW_WIDTH;
+        const nextHeight =
+          ui && typeof ui.height === "number" ? ui.height : DEFAULT_VIEW_HEIGHT;
+        const nextResizable =
+          ui && typeof ui.resizable === "boolean" ? ui.resizable : true;
+        await platformAdapter.setWindowSize(nextWidth, nextHeight);
+        await platformAdapter.setWindowResizable(nextResizable);
+        await platformAdapter.centerOnCurrentMonitor();
+        await recomputeScale();
+        setTimeout(() => {
+          iframeRef.current?.focus();
+          try {
+            iframeRef.current?.contentWindow?.focus();
+          } catch {}
+        }, 0);
+      }
+    },
+    [ui, recomputeScale]
+  );
+
+  useEffect(() => {
+    const applyWindowSettings = async () => {
+      if (viewExtensionOpened != null) {
+        const size = await platformAdapter.getWindowSize();
+        const resizable = await platformAdapter.isWindowResizable();
+        const pos = await platformAdapter.getWindowPosition();
+        prevWindowRef.current = {
+          width: size.width,
+          height: size.height,
+          resizable,
+          x: pos.x,
+          y: pos.y,
+        };
+
+        const nextWidth =
+          ui && typeof ui.width === "number" ? ui.width : DEFAULT_VIEW_WIDTH;
+        const nextHeight =
+          ui && typeof ui.height === "number" ? ui.height : DEFAULT_VIEW_HEIGHT;
+        const nextResizable =
+          ui && typeof ui.resizable === "boolean" ? ui.resizable : true;
+
+        await platformAdapter.setWindowSize(nextWidth, nextHeight);
+        await platformAdapter.setWindowResizable(nextResizable);
+        await platformAdapter.centerOnCurrentMonitor();
+        await recomputeScale();
+        setTimeout(() => {
+          iframeRef.current?.focus();
+          try {
+            iframeRef.current?.contentWindow?.focus();
+          } catch {}
+        }, 0);
+      } else {
+        if (prevWindowRef.current) {
+          const prev = prevWindowRef.current;
+          await platformAdapter.setWindowSize(prev.width, prev.height);
+          await platformAdapter.setWindowResizable(prev.resizable);
+          await platformAdapter.centerOnCurrentMonitor();
+          prevWindowRef.current = null;
+          await recomputeScale();
+          setTimeout(() => {
+            iframeRef.current?.focus();
+          }, 0);
+        }
+      }
+    };
+
+    applyWindowSettings();
+    return () => {
+      if (prevWindowRef.current) {
+        const prev = prevWindowRef.current;
+        platformAdapter.setWindowSize(prev.width, prev.height);
+        platformAdapter.setWindowResizable(prev.resizable);
+        platformAdapter.centerOnCurrentMonitor();
+        prevWindowRef.current = null;
+      }
+    };
+  }, [viewExtensionOpened]);
+  useEffect(() => {
+    const handleKeyDown = (e: KeyboardEvent) => {
+      if (e.key === "Escape" && isFullscreen) {
+        applyFullscreen(false);
+        setIsFullscreen(false);
+      }
+    };
+    window.addEventListener("keydown", handleKeyDown, { capture: true });
+    return () => {
+      window.removeEventListener("keydown", handleKeyDown, {
+        capture: true,
+      } as any);
+    };
+  }, [isFullscreen, applyFullscreen]);
 
   return (
-    <iframe
-      src={fileUrl}
-      className="w-full h-full border-0"
-      onLoad={(event) => {
-        event.currentTarget.focus();
-      }}
-    />
+    <div className="relative w-full h-full">
+      {isFullscreen && <div className="absolute inset-0 pointer-events-none" />}
+      {resizable && (
+        <button
+          aria-label={
+            isFullscreen
+              ? t("viewExtension.fullscreen.exit")
+              : t("viewExtension.fullscreen.enter")
+          }
+          className="absolute top-2 right-2 z-10 rounded-md bg-black/40 text-white p-2 hover:bg-black/60 focus:outline-none"
+          onClick={async () => {
+            const next = !isFullscreen;
+            await applyFullscreen(next);
+            setIsFullscreen(next);
+            if (next) {
+              iframeRef.current?.focus();
+              try {
+                iframeRef.current?.contentWindow?.focus();
+              } catch {}
+            }
+          }}
+        >
+          {isFullscreen ? (
+            <Minimize2 className="size-4" />
+          ) : (
+            <Maximize2 className="size-4" />
+          )}
+        </button>
+      )}
+      {/* Focus helper button */}
+      <button
+        aria-label={t("viewExtension.focus")}
+        className="absolute top-2 right-12 z-10 rounded-md bg-black/40 text-white p-2 hover:bg-black/60 focus:outline-none"
+        onClick={() => {
+          iframeRef.current?.focus();
+          try {
+            iframeRef.current?.contentWindow?.focus();
+          } catch {}
+        }}
+      >
+        <Focus className="size-4"/>
+      </button>
+      <div
+        className="w-full h-full flex items-center justify-center"
+        onMouseDownCapture={() => {
+          iframeRef.current?.focus();
+        }}
+        onPointerDown={() => {
+          iframeRef.current?.focus();
+        }}
+        onClickCapture={() => {
+          iframeRef.current?.focus();
+        }}
+      >
+        <iframe
+          ref={iframeRef}
+          src={fileUrl}
+          className="border-0"
+          style={{
+            width: `${baseWidth}px`,
+            height: `${baseHeight}px`,
+            transform: `scale(${scale})`,
+            transformOrigin: "center center",
+            outline: "none",
+          }}
+          allow="fullscreen; pointer-lock; gamepad"
+          allowFullScreen
+          tabIndex={-1}
+          onLoad={(event) => {
+            event.currentTarget.focus();
+            try {
+              iframeRef.current?.contentWindow?.focus();
+            } catch {}
+          }}
+        />
+      </div>
+    </div>
   );
 };
 

src/components/SearchChat/index.tsx

@@ -110,9 +110,13 @@ function SearchChat({
   let collapseWindowTimer = useRef<ReturnType<typeof setTimeout>>();
 
   const setWindowSize = useCallback(() => {
+    const { viewExtensionOpened } = useSearchStore.getState();
     if (collapseWindowTimer.current) {
       clearTimeout(collapseWindowTimer.current);
     }
+    if (viewExtensionOpened != null) {
+      return;
+    }
 
     const width = 680;
     let height = WINDOW_CENTER_BASELINE_HEIGHT;
@@ -177,6 +181,28 @@ function SearchChat({
     onFocus: debouncedSetWindowSize,
   });
 
+  useEffect(() => {
+    const unlisten = platformAdapter.listenEvent(
+      "refresh-window-size",
+      () => {
+        debouncedSetWindowSize();
+      }
+    );
+    return () => {
+      unlisten
+        .then((fn) => {
+          try {
+            typeof fn === "function" && fn();
+          } catch {
+            // ignore
+          }
+        })
+        .catch(() => {
+          // ignore
+        });
+    };
+  }, [debouncedSetWindowSize]);
+
   useEffect(() => {
     dispatch({
       type: "SET_SEARCH_ACTIVE",
@@ -386,7 +412,7 @@ function SearchChat({
     <div
       data-tauri-drag-region={isTauri}
       className={clsx(
-        "m-auto overflow-hidden relative bg-no-repeat flex flex-col",
+        "m-auto overflow-hidden relative bg-no-repeat flex flex-col bg-cover",
         [
           isTransitioned
             ? "bg-bottom bg-[url('/assets/chat_bg_light.png')] dark:bg-[url('/assets/chat_bg_dark.png')]"
@@ -401,7 +427,6 @@ function SearchChat({
         }
       )}
       style={{
-        backgroundSize: "auto 590px",
         opacity: blurred ? blurOpacity / 100 : normalOpacity / 100,
       }}
     >

src/components/Settings/Extensions/index.tsx

@@ -75,6 +75,10 @@ export interface ViewExtensionUISettings {
   search_bar: boolean;
   filter_bar: boolean;
   footer: boolean;
+  width: number | null;
+  height: number | null;
+  resizable: boolean;
+  detachable: boolean;
 }
 
 export interface Extension {

src/hooks/useEscape.ts

@@ -11,6 +11,9 @@ const useEscape = () => {
   const setVisibleContextMenu = useSearchStore((state) => {
     return state.setVisibleContextMenu;
   });
+  const viewExtensionOpened = useSearchStore((state) => {
+    return state.viewExtensionOpened;
+  });
 
   useKeyPress("esc", (event) => {
     event.preventDefault();
@@ -33,6 +36,9 @@ const useEscape = () => {
       return closeHistoryPanel();
     }
 
+    if (viewExtensionOpened != null) {
+      return;
+    }
     platformAdapter.hideWindow();
   });
 };

src/hooks/useTray.ts

@@ -18,7 +18,7 @@ export const useTray = () => {
   const showCocoShortcuts = useAppStore((state) => state.showCocoShortcuts);
 
   const selectionEnabled = useSelectionStore((state) => state.selectionEnabled);
-  // const setSelectionEnabled = useSelectionStore((state) => state.setSelectionEnabled);
+  const setSelectionEnabled = useSelectionStore((state) => state.setSelectionEnabled);
 
   useUpdateEffect(() => {
     if (showCocoShortcuts.length === 0) return;
@@ -65,18 +65,18 @@ export const useTray = () => {
 
     itemPromises.push(PredefinedMenuItem.new({ item: "Separator" }));
 
-    // if (isMac) {
-    //   itemPromises.push(
-    //     MenuItem.new({
-    //       text: selectionEnabled
-    //         ? t("tray.selectionDisable")
-    //         : t("tray.selectionEnable"),
-    //       action: async () => {
-    //         setSelectionEnabled(!selectionEnabled);
-    //       },
-    //     })
-    //   );
-    // }
+    if (isMac) {
+      itemPromises.push(
+        MenuItem.new({
+          text: selectionEnabled
+            ? t("tray.selectionDisable")
+            : t("tray.selectionEnable"),
+          action: async () => {
+            setSelectionEnabled(!selectionEnabled);
+          },
+        })
+      );
+    }
 
     itemPromises.push(
       MenuItem.new({

src/locales/en/translation.json

@@ -626,9 +626,16 @@
     },
     "deleteDialog": {
       "title": "Uninstall",
-      "description": "This will remove all the data and commands associated with this extension."
+      "description": "This will delete all data and commands related to the extension."
     }
   },
+  "viewExtension": {
+    "fullscreen": {
+      "enter": "Enter Full Screen",
+      "exit": "Exit Full Screen"
+    },
+    "focus": "Focus"
+  },
   "deleteDialog": {
     "button": {
       "cancel": "Cancel",

src/locales/zh/translation.json

@@ -628,6 +628,13 @@
       "description": "这将删除与该扩展相关的所有数据和命令。"
     }
   },
+  "viewExtension": {
+    "fullscreen": {
+      "enter": "进入全屏",
+      "exit": "退出全屏"
+    },
+    "focus": "聚焦"
+  },
   "deleteDialog": {
     "button": {
       "cancel": "取消",

src/routes/outlet.tsx

@@ -18,7 +18,7 @@ import { useExtensionsStore } from "@/stores/extensionsStore";
 import { useSelectionStore, startSelectionStorePersistence } from "@/stores/selectionStore";
 import { useServers } from "@/hooks/useServers";
 import { useDeepLinkManager } from "@/hooks/useDeepLinkManager";
-// import { useSelectionWindow } from "@/hooks/useSelectionWindow";
+import { useSelectionWindow } from "@/hooks/useSelectionWindow";
 
 export default function LayoutOutlet() {
   const location = useLocation();
@@ -128,7 +128,7 @@ export default function LayoutOutlet() {
   });
 
   // --- Selection window ---
-  // useSelectionWindow();
+  useSelectionWindow();
 
   return (
     <>

src/stores/selectionStore.ts

@@ -33,7 +33,7 @@ export const useSelectionStore = create<SelectionStore>((set) => ({
   setIconsOnly: (iconsOnly) => set({ iconsOnly }),
   toolbarConfig: [],
   setToolbarConfig: (toolbarConfig) => set({ toolbarConfig }),
-  selectionEnabled: false,
+  selectionEnabled: true,
   setSelectionEnabled: (selectionEnabled) => set({ selectionEnabled }),
 }));
 

src/types/platform.ts

@@ -12,6 +12,7 @@ import { ViewExtensionOpened } from "@/stores/searchStore";
 export interface EventPayloads {
   "theme-changed": string;
   "tauri://focus": void;
+  "refresh-window-size": void;
   "endpoint-changed": {
     endpoint: string;
     endpoint_http: string;

src/utils/index.ts

@@ -258,7 +258,9 @@ export const navigateBack = () => {
   }
 
   if (viewExtensionOpened) {
-    return setViewExtensionOpened(void 0);
+    setViewExtensionOpened(void 0);
+    platformAdapter.emitEvent("refresh-window-size");
+    return;
   }
 
   setSourceData(void 0);

src/utils/tauriAdapter.ts

@@ -16,8 +16,16 @@ import { useAppearanceStore } from "@/stores/appearanceStore";
 import { copyToClipboard, dispatchEvent, OpenURLWithBrowser } from ".";
 import { useAppStore } from "@/stores/appStore";
 import { unrequitable } from "@/utils";
-import { WebviewWindow } from "@tauri-apps/api/webviewWindow";
-import { Theme } from "@tauri-apps/api/window";
+import {
+  getCurrentWebviewWindow,
+  WebviewWindow,
+} from "@tauri-apps/api/webviewWindow";
+import {
+  cursorPosition,
+  Monitor,
+  monitorFromPoint,
+  Theme,
+} from "@tauri-apps/api/window";
 
 export interface TauriPlatformAdapter extends BasePlatformAdapter {
   openFileDialog: (
@@ -30,13 +38,65 @@ export interface TauriPlatformAdapter extends BasePlatformAdapter {
   getWindowTheme: () => Promise<Theme | null>;
   setWindowTheme: (theme: Theme | null) => Promise<void>;
   getAllWindows: () => Promise<WebviewWindow[]>;
+  setWindowResizable: (resizable: boolean) => Promise<void>;
+  isWindowResizable: () => Promise<boolean>;
+  getWindowSize: () => Promise<{ width: number; height: number }>;
+  setWindowFullscreen: (enable: boolean) => Promise<void>;
+  isWindowMaximized: () => Promise<boolean>;
+  setWindowMaximized: (enable: boolean) => Promise<void>;
+  getWindowPosition: () => Promise<{ x: number; y: number }>;
+  setWindowPosition: (x: number, y: number) => Promise<void>;
+  centerWindow: () => Promise<void>;
+  getMonitorFromCursor: () => Promise<Monitor | null>;
+  centerOnCurrentMonitor: () => Promise<unknown>;
 }
 
 // Create Tauri adapter functions
 export const createTauriAdapter = (): TauriPlatformAdapter => {
   return {
     async setWindowSize(width, height) {
-      return windowWrapper.setSize(width, height);
+      return windowWrapper.setLogicalSize(width, height);
+    },
+    async getWindowSize() {
+      return windowWrapper.getLogicalSize();
+    },
+    async setWindowResizable(resizable) {
+      return windowWrapper.setResizable(resizable);
+    },
+    async isWindowResizable() {
+      return windowWrapper.isResizable();
+    },
+    async setWindowFullscreen(enable) {
+      return windowWrapper.setFullscreen(enable);
+    },
+    async isWindowMaximized() {
+      return windowWrapper.isMaximized();
+    },
+    async setWindowMaximized(enable) {
+      return windowWrapper.setMaximized(enable);
+    },
+    async getWindowPosition() {
+      return windowWrapper.getLogicalPosition();
+    },
+    async setWindowPosition(x, y) {
+      return windowWrapper.setLogicalPosition(x, y);
+    },
+    async centerWindow() {
+      return windowWrapper.center();
+    },
+
+    async getMonitorFromCursor() {
+      const appWindow = getCurrentWebviewWindow();
+      const factor = await appWindow.scaleFactor();
+
+      const point = await cursorPosition();
+      const { x, y } = point.toLogical(factor);
+
+      return monitorFromPoint(x, y);
+    },
+
+    async centerOnCurrentMonitor() {
+      return windowWrapper.centerOnMonitor();
     },
 
     async hideWindow() {

src/utils/webAdapter.ts

@@ -12,6 +12,14 @@ export interface WebPlatformAdapter extends BasePlatformAdapter {
   getWindowTheme: () => Promise<string>;
   setWindowTheme: (theme: string | null) => Promise<void>;
   getAllWindows: () => Promise<any[]>;
+  setWindowResizable: (resizable: boolean) => Promise<void>;
+  isWindowResizable: () => Promise<boolean>;
+  getWindowSize: () => Promise<{ width: number; height: number }>;
+  setWindowFullscreen: (enable: boolean) => Promise<void>;
+  getMonitorFromCursor: () => Promise<any>;
+  centerOnCurrentMonitor: () => Promise<void>;
+  getWindowPosition: () => Promise<{ x: number; y: number }>;
+  setWindowPosition: (x: number, y: number) => Promise<void>;
 }
 
 // Create Web adapter functions
@@ -35,6 +43,46 @@ export const createWebAdapter = (): WebPlatformAdapter => {
       console.log(`Web mode simulated window resize: ${width}x${height}`);
       // No actual operation needed in web environment
     },
+    async getWindowSize() {
+      return { width: window.innerWidth, height: window.innerHeight };
+    },
+    async setWindowResizable(resizable) {
+      console.log("Web mode simulated set window resizable:", resizable);
+    },
+    async isWindowResizable() {
+      return true;
+    },
+    async setWindowFullscreen(enable) {
+      console.log("Web mode simulated fullscreen:", enable);
+    },
+    async getMonitorFromCursor() {
+      return {
+        size: {
+          toLogical: (factor: number) => ({
+            width: window.innerWidth / factor,
+            height: window.innerHeight / factor,
+          }),
+        },
+        position: {
+          toLogical: (factor: number) => ({
+            x: window.screenX / factor,
+            y: window.screenY / factor,
+          }),
+        },
+      };
+    },
+    async centerOnCurrentMonitor() {
+      // Not applicable in web mode
+      return;
+    },
+
+    async getWindowPosition() {
+      return { x: window.screenX, y: window.screenY };
+    },
+
+    async setWindowPosition(x, y) {
+      console.log(`Web mode simulated set window position: ${x}, ${y}`);
+    },
 
     async hideWindow() {
       console.log("Web mode simulated window hide");
@@ -277,4 +325,4 @@ export const createWebAdapter = (): WebPlatformAdapter => {
       return Promise.resolve();
     },
   };
-};
+};

src/utils/wrappers/tauriWrappers.ts

@@ -1,5 +1,6 @@
 import * as commands from "@/commands";
 import { WINDOW_CENTER_BASELINE_HEIGHT } from "@/constants";
+import platformAdapter from "../platformAdapter";
 
 // Window operations
 export const windowWrapper = {
@@ -10,7 +11,7 @@ export const windowWrapper = {
     return getCurrentWebviewWindow();
   },
 
-  async setSize(width: number, height: number) {
+  async setLogicalSize(width: number, height: number) {
     const { LogicalSize } = await import("@tauri-apps/api/dpi");
     const window = await this.getCurrentWebviewWindow();
     if (window) {
@@ -20,6 +21,95 @@ export const windowWrapper = {
       }
     }
   },
+  async getLogicalSize() {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      const size = await window.innerSize();
+      const scale = await window.scaleFactor();
+      return {
+        width: Math.round(size.width / scale),
+        height: Math.round(size.height / scale),
+      };
+    }
+    return { width: 0, height: 0 };
+  },
+  async setResizable(resizable: boolean) {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      return window.setResizable(resizable);
+    }
+  },
+  async isResizable() {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      return window.isResizable();
+    }
+    return false;
+  },
+  async setFullscreen(enable: boolean) {
+    const { getCurrentWindow } = await import("@tauri-apps/api/window");
+    const win = getCurrentWindow();
+    return win.setFullscreen(enable);
+  },
+  async center() {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      return window.center();
+    }
+  },
+
+  async setLogicalPosition(x: number, y: number) {
+    const { LogicalPosition } = await import("@tauri-apps/api/dpi");
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      return window.setPosition(new LogicalPosition(x, y));
+    }
+  },
+  async getLogicalPosition() {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      const pos = await window.outerPosition();
+      const scale = await window.scaleFactor();
+      return { x: Math.round(pos.x / scale), y: Math.round(pos.y / scale) };
+    }
+    return { x: 0, y: 0 };
+  },
+  async centerOnMonitor() {
+    const { PhysicalPosition } = await import("@tauri-apps/api/dpi");
+
+    const monitor = await platformAdapter.getMonitorFromCursor();
+
+    if (!monitor) return;
+
+    const window = await this.getCurrentWebviewWindow();
+
+    const { x: monitorX, y: monitorY } = monitor.position;
+    const { width: monitorWidth, height: monitorHeight } = monitor.size;
+
+    const windowSize = await window.innerSize();
+
+    const x = monitorX + (monitorWidth - windowSize.width) / 2;
+    const y = monitorY + (monitorHeight - windowSize.height) / 2;
+
+    return window.setPosition(new PhysicalPosition(x, y));
+  },
+  async isMaximized() {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      return window.isMaximized();
+    }
+    return false;
+  },
+  async setMaximized(enable: boolean) {
+    const window = await this.getCurrentWebviewWindow();
+    if (window) {
+      if (enable) {
+        return window.maximize();
+      } else {
+        return window.unmaximize();
+      }
+    }
+  },
 };
 
 // Event handling