Add contentBounds property on Windows (#187)

Sources/windows/main.cc

@@ -181,10 +181,13 @@ Napi::Value getWindowInformation(const HWND &hwnd, const Napi::CallbackInfo &inf
 		return env.Null();
 	}
 
-	RECT lpRect;
-	BOOL rectResult = GetWindowRect(hwnd, &lpRect);
+	RECT lpWinRect;
+	BOOL rectWinResult = GetWindowRect(hwnd, &lpWinRect);
 
-	if (rectResult == 0) {
+	RECT lpClientRect;
+	BOOL rectClientResult = GetClientRect(hwnd, &lpClientRect);
+
+	if (rectWinResult == 0 || rectClientResult == 0 ) {
 		return env.Null();
 	}
 
@@ -194,12 +197,26 @@ Napi::Value getWindowInformation(const HWND &hwnd, const Napi::CallbackInfo &inf
 	owner.Set(Napi::String::New(env, "path"), ownerInfo.path);
 	owner.Set(Napi::String::New(env, "name"), ownerInfo.name);
 
+	// bounds window
 	Napi::Object bounds = Napi::Object::New(env);
 
-	bounds.Set(Napi::String::New(env, "x"), lpRect.left);
-	bounds.Set(Napi::String::New(env, "y"), lpRect.top);
-	bounds.Set(Napi::String::New(env, "width"), lpRect.right - lpRect.left);
-	bounds.Set(Napi::String::New(env, "height"), lpRect.bottom - lpRect.top);
+	bounds.Set(Napi::String::New(env, "x"), lpWinRect.left);
+	bounds.Set(Napi::String::New(env, "y"), lpWinRect.top);
+	bounds.Set(Napi::String::New(env, "width"), lpWinRect.right - lpWinRect.left);
+	bounds.Set(Napi::String::New(env, "height"), lpWinRect.bottom - lpWinRect.top);
+
+	// bounds content
+	POINT rectTopLeft = {lpClientRect.left, lpClientRect.top};
+	ClientToScreen(hwnd, &rectTopLeft);
+	POINT rectBottomRight = {lpClientRect.right, lpClientRect.bottom};
+	ClientToScreen(hwnd, &rectBottomRight);
+
+	Napi::Object contentBounds = Napi::Object::New(env);
+
+	contentBounds.Set(Napi::String::New(env, "x"), rectTopLeft.x);
+	contentBounds.Set(Napi::String::New(env, "y"), rectTopLeft.y);
+	contentBounds.Set(Napi::String::New(env, "width"), rectBottomRight.x - rectTopLeft.x);
+	contentBounds.Set(Napi::String::New(env, "height"), rectBottomRight.y - rectTopLeft.y);
 
 	Napi::Object activeWinObj = Napi::Object::New(env);
 
@@ -208,6 +225,7 @@ Napi::Value getWindowInformation(const HWND &hwnd, const Napi::CallbackInfo &inf
 	activeWinObj.Set(Napi::String::New(env, "title"), getWindowTitle(hwnd));
 	activeWinObj.Set(Napi::String::New(env, "owner"), owner);
 	activeWinObj.Set(Napi::String::New(env, "bounds"), bounds);
+	activeWinObj.Set(Napi::String::New(env, "contentBounds"), contentBounds);
 	activeWinObj.Set(Napi::String::New(env, "memoryUsage"), memoryCounter.WorkingSetSize);
 
 	return activeWinObj;

index.d.ts

@@ -95,6 +95,16 @@ export type LinuxResult = {
 
 export type WindowsResult = {
 	platform: 'windows';
+
+	/**
+	Window content position and size, which excludes the title bar, menu bar, and frame.
+	*/
+	contentBounds: {
+		x: number;
+		y: number;
+		width: number;
+		height: number;
+	};
 } & BaseResult;
 
 export type Result = MacOSResult | LinuxResult | WindowsResult;

index.test-d.ts

@@ -39,9 +39,11 @@ if (result) {
 		expectType<string | undefined>(result.url);
 	} else if (result.platform === 'linux') {
 		expectType<LinuxResult>(result);
-		expectError(result.owner.bundleId);
 	} else {
 		expectType<WindowsResult>(result);
-		expectError(result.owner.bundleId);
+		expectType<number>(result.contentBounds.x);
+		expectType<number>(result.contentBounds.y);
+		expectType<number>(result.contentBounds.width);
+		expectType<number>(result.contentBounds.height);
 	}
 }

readme.md

@@ -80,6 +80,11 @@ Returns a `Promise<object>` with the result, or `Promise<undefined>` if there is
 	- `y` *(number)*
 	- `width` *(number)*
 	- `height` *(number)*
+- `contentBounds` *(Object)* - Window content position and size, which excludes the title bar, menu bar, and frame *(Windows only)*
+	- `x` *(number)*
+	- `y` *(number)*
+	- `width` *(number)*
+	- `height` *(number)*
 - `owner` *(Object)* - App that owns the window
 	- `name` *(string)* - Name of the app
 	- `processId` *(number)* - Process identifier