From 11d695d50a852d9593061cd6d135ca6788f72a9f Mon Sep 17 00:00:00 2001
From: Lncvrt <lncvrtreal@gmail.com>
Date: Sun, 27 Sep 2026 18:38:05 -0700
Subject: [PATCH] Allow enabling or disabling custom decorations on windows

---
 src-tauri/src/lib.rs              | 23 +++++---
 src-tauri/tauri.windows.conf.json |  4 +-
 src/app/main/game/page.tsx        |  3 +-
 src/app/main/layout.tsx           | 15 ++++-
 src/app/main/library/page.tsx     |  5 +-
 src/app/main/settings/page.tsx    | 92 ++++++++++++++++++++++++-------
 src/app/update/layout.tsx         |  9 +--
 src/components/Sidebar.tsx        | 55 +++++++++---------
 src/providers/GlobalProvider.tsx  |  1 +
 9 files changed, 139 insertions(+), 68 deletions(-)

diff --git a/src-tauri/src/lib.rs b/src-tauri/src/lib.rs
index 7f13f27..a65ba6b 100644
--- a/src-tauri/src/lib.rs
+++ b/src-tauri/src/lib.rs
@@ -674,6 +674,19 @@ fn remove_stale_executable(app: AppHandle, version: String, executable: String)
     }
 }
 
+#[allow(unused)]
+#[tauri::command]
+fn enable_custom_decorations_windows(app: AppHandle) {
+    #[cfg(target_os = "windows")]
+    {
+        use tauri_plugin_decorum::WebviewWindowExt;
+
+        let window = app.get_webview_window("main").unwrap();
+        window.set_decorations(false);
+        let _ = window.create_overlay_titlebar();
+    }
+}
+
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     #[allow(unused)]
@@ -714,7 +727,8 @@ pub fn run() {
             cancel_download,
             move_game_data,
             open_game_folder,
-            remove_stale_executable
+            remove_stale_executable,
+            enable_custom_decorations_windows
         ])
         .setup(|app| {
             let custom_dir = app
@@ -745,13 +759,6 @@ pub fn run() {
                 }
             });
 
-            #[cfg(target_os = "windows")]
-            {
-                use tauri_plugin_decorum::WebviewWindowExt;
-                if let Err(e) = window.create_overlay_titlebar() {
-                    eprintln!("Failed to create overlay titlebar: {:?}", e);
-                }
-            }
             #[cfg(not(debug_assertions))]
             {
                 use tauri_plugin_cli::CliExt;
diff --git a/src-tauri/tauri.windows.conf.json b/src-tauri/tauri.windows.conf.json
index e205c93..efbb2ab 100644
--- a/src-tauri/tauri.windows.conf.json
+++ b/src-tauri/tauri.windows.conf.json
@@ -18,9 +18,7 @@
         "width": 1000,
         "height": 532,
         "minWidth": 1000,
-        "minHeight": 532,
-        "decorations": false,
-        "shadow": true
+        "minHeight": 532
       }
     ],
     "security": {
diff --git a/src/app/main/game/page.tsx b/src/app/main/game/page.tsx
index fec8d7c..cd45e56 100644
--- a/src/app/main/game/page.tsx
+++ b/src/app/main/game/page.tsx
@@ -30,6 +30,7 @@ export default function GamePage () {
     needsRevisionUpdate,
     launchGame,
     developerMode,
+    useNativeDecorations,
     theme,
     accountSession,
     accountId,
@@ -187,7 +188,7 @@ export default function GamePage () {
       </div>
       <div
         className={`main-container main-flex ${
-          platform() == 'windows'
+          platform() == 'windows' && !useNativeDecorations
             ? 'h-[calc(100vh-116px)]'
             : 'h-[calc(100vh-84px)]'
         }`}
diff --git a/src/app/main/layout.tsx b/src/app/main/layout.tsx
index c7468b7..5ca8b53 100644
--- a/src/app/main/layout.tsx
+++ b/src/app/main/layout.tsx
@@ -93,6 +93,8 @@ export default function RootLayout ({
   const [theme, setTheme] = useState<string>('dark')
   const [customDataLocation, setCustomDataLocation] = useState<string>('')
   const [developerMode, setDeveloperMode] = useState<boolean>(false)
+  const [useNativeDecorations, setUseNativeDecorations] =
+    useState<boolean>(false)
 
   const [versionsList, setVersionsList] = useState<Record<string, number>>({})
   const [modsList, setModsList] = useState<
@@ -765,6 +767,13 @@ export default function RootLayout ({
         await requestPermission()
       }
 
+      if (
+        platform() == 'windows' &&
+        !(settingsLocal.get<boolean>('useNativeDecorations') ?? false)
+      ) {
+        invoke('enable_custom_decorations_windows')
+      }
+
       setLoading(false)
     })()
   }, [])
@@ -839,6 +848,9 @@ export default function RootLayout ({
       setCustomDataLocation(v ?? '')
     )
     watchSettings<boolean>('developerMode', v => setDeveloperMode(v ?? false))
+    watchSettings<boolean>('useNativeDecorations', v =>
+      setUseNativeDecorations(v ?? false)
+    )
 
     watchVersions<Record<string, number>>('list', v => setVersionsList(v ?? {}))
     watchVersions<Record<string, Record<string, number>>>('mods', v =>
@@ -902,6 +914,7 @@ export default function RootLayout ({
                 theme,
                 customDataLocation,
                 developerMode,
+                useNativeDecorations,
                 versionsList,
                 modsList,
                 launchesList,
@@ -923,7 +936,7 @@ export default function RootLayout ({
                 }}
               >
                 <Sidebar />
-                {platformName == 'windows' && (
+                {platformName == 'windows' && !useNativeDecorations && (
                   <div className='relative z-2 ml-59.75 w-[calc(100vw-239px)] border-b border-b-(--col3) h-8.25 bg-(--col1)' />
                 )}
                 <div className='relative z-0'>
diff --git a/src/app/main/library/page.tsx b/src/app/main/library/page.tsx
index cc09bc2..537dbb6 100644
--- a/src/app/main/library/page.tsx
+++ b/src/app/main/library/page.tsx
@@ -23,7 +23,8 @@ export default function LibraryPage () {
     setSelectedGame,
     setCategory,
     setManagingGame,
-    developerMode
+    developerMode,
+    useNativeDecorations
   } = useGlobal()
 
   const router = useRouter()
@@ -59,7 +60,7 @@ export default function LibraryPage () {
       </div>
       <div
         className={`main-container main-flex ${
-          platform() == 'windows'
+          platform() == 'windows' && !useNativeDecorations
             ? 'h-[calc(100vh-116px)]'
             : 'h-[calc(100vh-84px)]'
         }`}
diff --git a/src/app/main/settings/page.tsx b/src/app/main/settings/page.tsx
index 8025f35..3d5737b 100644
--- a/src/app/main/settings/page.tsx
+++ b/src/app/main/settings/page.tsx
@@ -4,7 +4,7 @@ import { Setting } from '@/components/Setting'
 import { useGlobal } from '@/providers/GlobalProvider'
 import { copyToClipboard } from '@/lib/clipboard'
 import { platform } from '@tauri-apps/plugin-os'
-import { confirm, message, open } from '@tauri-apps/plugin-dialog'
+import { ask, confirm, message, open } from '@tauri-apps/plugin-dialog'
 import { invoke } from '@tauri-apps/api/core'
 import Dropdown from '@/components/Dropdown'
 import { WebviewWindow } from '@tauri-apps/api/webviewWindow'
@@ -12,7 +12,7 @@ import { exit, relaunch } from '@tauri-apps/plugin-process'
 import { BaseDirectory, exists, readDir, remove } from '@tauri-apps/plugin-fs'
 import { openPath } from '@tauri-apps/plugin-opener'
 import { appLocalDataDir } from '@tauri-apps/api/path'
-import { getCurrentWindow } from '@tauri-apps/api/window'
+import { getCurrentWindow, LogicalSize } from '@tauri-apps/api/window'
 
 export default function SettingsPage () {
   const {
@@ -24,6 +24,7 @@ export default function SettingsPage () {
     linuxUseWine,
     linuxWineCommand,
     theme,
+    useNativeDecorations,
     customDataLocation,
     downloadProgress
   } = useGlobal()
@@ -33,25 +34,76 @@ export default function SettingsPage () {
       <p className='text-3xl ml-4 mt-4'>Settings</p>
       <div className='flex flex-row p-4 gap-4'>
         <div className='bg-(--col1) border border-(--col3) rounded-lg p-4 w-fit h-fit'>
-          <Setting
-            label='Use wine if needed'
-            value={linuxUseWine}
-            onChange={async () => {
-              await settings?.set('linuxUseWine', !linuxUseWine)
-            }}
-            className={platform() == 'linux' ? '' : 'hidden'}
-          />
-          {platform() == 'linux' && linuxUseWine && (
+          {platform() == 'linux' && (
             <>
-              <p>Wine Command:</p>
-              <input
-                type='text'
-                value={linuxWineCommand}
-                onChange={async e =>
-                  await settings?.set('linuxWineCommand', e.target.value)
-                }
-                className='input-field my-1'
-              ></input>
+              <Setting
+                label='Use wine if needed'
+                value={linuxUseWine}
+                onChange={async () => {
+                  await settings?.set('linuxUseWine', !linuxUseWine)
+                }}
+              />
+              {linuxUseWine && (
+                <>
+                  <p>Wine Command:</p>
+                  <input
+                    type='text'
+                    value={linuxWineCommand}
+                    onChange={async e =>
+                      await settings?.set('linuxWineCommand', e.target.value)
+                    }
+                    className='input-field my-1'
+                  ></input>
+                </>
+              )}
+            </>
+          )}
+          {platform() == 'windows' && (
+            <>
+              <Setting
+                label='Use native window decorations'
+                value={useNativeDecorations}
+                onChange={async () => {
+                  if (useNativeDecorations) {
+                    invoke('enable_custom_decorations_windows')
+
+                    const appWindow = getCurrentWindow()
+                    const size = await appWindow.innerSize()
+                    const newHeight = size.height - 32
+                    await appWindow.setSize(
+                      new LogicalSize(size.width, newHeight)
+                    )
+
+                    await settings?.set(
+                      'useNativeDecorations',
+                      !useNativeDecorations
+                    )
+                  } else {
+                    if (
+                      !(await ask(
+                        'Turning this off will require a launcher restart. If you have active downloads, you may want to wait before doing this.',
+                        'Are you sure?'
+                      ))
+                    ) {
+                      return
+                    }
+                    const appWindow = getCurrentWindow()
+                    appWindow.setDecorations(true)
+
+                    const size = await appWindow.innerSize()
+                    const newHeight = size.height + 32
+                    await appWindow.setSize(
+                      new LogicalSize(size.width, newHeight)
+                    )
+
+                    await settings?.set(
+                      'useNativeDecorations',
+                      !useNativeDecorations
+                    )
+                    await relaunch()
+                  }
+                }}
+              />
             </>
           )}
           <Setting
diff --git a/src/app/update/layout.tsx b/src/app/update/layout.tsx
index 9ed5ff7..71916db 100644
--- a/src/app/update/layout.tsx
+++ b/src/app/update/layout.tsx
@@ -24,14 +24,7 @@ export default function RootLayout ({
     <>
       <html lang='en' className={roboto.className}>
         <body className='dark-theme'>
-          {platformName == 'windows' && (
-            <div className='relative z-2 w-screen border-b border-b-(--col3) h-8.25 bg-(--col1)' />
-          )}
-          <div
-            className={`w-screen ${
-              platformName == 'windows' ? 'h-[calc(100vh-64px)]' : 'h-screen'
-            } flex items-center justify-center`}
-          >
+          <div className='w-screen h-screen flex items-center justify-center'>
             {children}
           </div>
         </body>
diff --git a/src/components/Sidebar.tsx b/src/components/Sidebar.tsx
index e46ca79..6197b53 100644
--- a/src/components/Sidebar.tsx
+++ b/src/components/Sidebar.tsx
@@ -44,6 +44,7 @@ export default function Sidebar () {
     setManagingGame,
     settings,
     developerMode,
+    useNativeDecorations,
     accountName,
     accountAdmin,
     sidebarShowGames
@@ -71,32 +72,36 @@ export default function Sidebar () {
           }}
         />
       )}
-      <div
-        className={
-          'flex items-center h-10 w-60 ' +
-          (platform() == 'windows' ? 'pl-1 pt-1' : 'pl-2 pt-2') +
-          (platform() == 'macos'
-            ? // ? Number(version().split('.')[0]) >= 26
-              // ? ' mt-6'
-              ' mt-5'
-            : '')
-        }
-        onMouseDown={async e => {
-          if (platform() != 'macos') return
-          if (e.buttons === 1) {
-            if (e.detail === 2) {
-              await getCurrentWindow().toggleMaximize()
-            } else {
-              await getCurrentWindow().startDragging()
-            }
+      {!(platform() == 'windows' && useNativeDecorations) && (
+        <div
+          className={
+            'flex items-center h-10 w-60 ' +
+            (platform() == 'windows' ? 'pl-1 pt-1' : 'pl-2 pt-2') +
+            (platform() == 'macos'
+              ? // ? Number(version().split('.')[0]) >= 26
+                // ? ' mt-6'
+                ' mt-5'
+              : '')
           }
-        }}
-      >
-        <Image draggable={false} src={Icon} width={36} height={36} alt='' />
-        <p className={`ml-1 text-[16px] whitespace-nowrap ${lexend.className}`}>
-          Lncvrt Games Launcher
-        </p>
-      </div>
+          onMouseDown={async e => {
+            if (platform() != 'macos') return
+            if (e.buttons === 1) {
+              if (e.detail === 2) {
+                await getCurrentWindow().toggleMaximize()
+              } else {
+                await getCurrentWindow().startDragging()
+              }
+            }
+          }}
+        >
+          <Image draggable={false} src={Icon} width={36} height={36} alt='' />
+          <p
+            className={`ml-1 text-[16px] whitespace-nowrap ${lexend.className}`}
+          >
+            Lncvrt Games Launcher
+          </p>
+        </div>
+      )}
       <nav className='nav-links overflow-auto'>
         <Link
           draggable={false}
diff --git a/src/providers/GlobalProvider.tsx b/src/providers/GlobalProvider.tsx
index ce1d529..60cf352 100644
--- a/src/providers/GlobalProvider.tsx
+++ b/src/providers/GlobalProvider.tsx
@@ -60,6 +60,7 @@ type GlobalCtxType = {
   theme: string
   customDataLocation: string
   developerMode: boolean
+  useNativeDecorations: boolean
   versionsList: Record<string, number>
   modsList: Record<string, Record<string, number>>
   launchesList: Record<string, Record<string, number>>