refactor: remove platform-specific tauri conf

Merge windows back to main tauri config. The reason I separated them was
because I need decoration: true on mac and false on windows and linux.
Now I use tauri rust API to set decorations to false for win and linux.

apps/desktop/src-tauri/src/setup/window.rs

@@ -55,11 +55,17 @@ impl<R: Runtime> WindowExt for WebviewWindow<R> {
 pub fn setup_window<R: Runtime>(app: &AppHandle<R>) {
     #[cfg(target_os = "macos")]
     {
-        app.get_webview_window("main")
+        let main_win = app.get_webview_window("main").unwrap();
-            .unwrap()
+        main_win.set_transparent_titlebar(true, true);
-            .set_transparent_titlebar(true, true);
+        let splashscreen_win = app.get_webview_window("splashscreen").unwrap();
-        app.get_webview_window("splashscreen")
+        splashscreen_win.set_transparent_titlebar(true, true);
-            .unwrap()
+    }
-            .set_transparent_titlebar(true, true);
+    #[cfg(not(target_os = "macos"))]
+    {
+        // on linux or windows, set decorations to false
+        let main_win = app.get_webview_window("main").unwrap();
+        main_win
+            .set_decorations(false)
+            .expect("Failed to set decorations");
     }
 }

apps/desktop/src-tauri/tauri.conf.json

@@ -13,7 +13,23 @@
 		"macOSPrivateApi": true,
 		"security": {
 			"csp": null
-		}
+		},
+		"windows": [
+			{
+				"hiddenTitle": true,
+				"url": "/app",
+				"title": "Kunkun",
+				"width": 800,
+				"visible": false,
+				"height": 600,
+				"decorations": true
+			},
+			{
+				"url": "/splashscreen",
+				"visible": false,
+				"label": "splashscreen"
+			}
+		]
 	},
 	"bundle": {
 		"createUpdaterArtifacts": true,

apps/desktop/src-tauri/tauri.linux.conf.json

@@ -1,22 +0,0 @@
-{
-	"identifier": "sh.kunkun.desktop",
-	"app": {
-		"windows": [
-			{
-				"hiddenTitle": true,
-				"url": "/app",
-				"title": "Kunkun",
-				"width": 800,
-				"height": 600,
-				"visible": false,
-				"decorations": false
-			},
-			{
-				"url": "/splashscreen",
-				"label": "splashscreen",
-				"visible": false,
-				"decorations": false
-			}
-		]
-	}
-}

apps/desktop/src-tauri/tauri.macos.conf.json

@@ -1,20 +0,0 @@
-{
-	"identifier": "sh.kunkun.desktop",
-	"app": {
-		"windows": [
-			{
-				"hiddenTitle": true,
-				"url": "/app",
-				"title": "Kunkun",
-				"width": 800,
-				"visible": false,
-				"height": 600
-			},
-			{
-				"url": "/splashscreen",
-				"visible": false,
-				"label": "splashscreen"
-			}
-		]
-	}
-}

apps/desktop/src-tauri/tauri.windows.conf.json

@@ -1,22 +0,0 @@
-{
-	"identifier": "sh.kunkun.desktop",
-	"app": {
-		"windows": [
-			{
-				"hiddenTitle": true,
-				"url": "/app",
-				"title": "Kunkun",
-				"width": 800,
-				"height": 600,
-				"visible": false,
-				"decorations": false
-			},
-			{
-				"url": "/splashscreen",
-				"label": "splashscreen",
-				"visible": false,
-				"decorations": false
-			}
-		]
-	}
-}