diff --git a/package.json b/package.json
index b1f029ca..d9f20166 100644
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
     "fs-ext": "^2.0.0",
     "mobx": "^6.6.0",
     "mobx-react": "^7.5.0",
+    "node-fetch": "^3.2.10",
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
     "sprintf-js": "^1.1.2",
diff --git a/src/emain.ts b/src/emain.ts
index 05579dd6..fe80c36a 100644
--- a/src/emain.ts
+++ b/src/emain.ts
@@ -1,7 +1,10 @@
 import * as electron from "electron";
-import {acquireSCElectronLock} from "./base";
 import * as path from "path";
 import * as fs from "fs";
+import fetch from "node-fetch";
+import {debounce} from "throttle-debounce";
+import {acquireSCElectronLock} from "./base";
+import {handleJsonFetchResponse} from "./util";
 
 let app = electron.app;
 app.setName("ScriptHaus");
@@ -75,10 +78,13 @@ function createRemotesWindow() {
     win.webContents.on("will-navigate", shNavHandler);
 }
 
-function createMainWindow(size : {width : number, height : number}) {
+function createMainWindow(clientData) {
+    let bounds = calcBounds(clientData);
     let win = new electron.BrowserWindow({
-        width: size.width,
-        height: size.height,
+        x: bounds.x,
+        y: bounds.y,
+        width: bounds.width,
+        height: bounds.height,
         webPreferences: {
             preload: path.join(__dirname, "../src/preload.js"),
         },
@@ -144,34 +150,64 @@ function createMainWindow(size : {width : number, height : number}) {
         }
     });
     win.webContents.on("will-navigate", shNavHandler);
+    win.on("resized", debounce(400, mainResizeHandler));
+    win.on("moved", debounce(400, mainResizeHandler));
     return win;
 }
 
-function calcSize() {
-    let primaryDisplay = electron.screen.getPrimaryDisplay();
-    let size = {width: 1800, height: 1200};
-    if (primaryDisplay.size.width - 100 < size.width) {
-        size.width = primaryDisplay.size.width - 100;
+function mainResizeHandler(e) {
+    let win = e.sender;
+    if (win == null || win.isDestroyed() || win.fullScreen) {
+        return;
     }
-    if (primaryDisplay.size.height - 100 < size.height) {
-        size.height = primaryDisplay.size.height - 100;
+    let bounds = win.getBounds();
+    console.log("resize/move", win.getBounds());
+    let winSize = {width: bounds.width, height: bounds.height, top: bounds.y, left: bounds.x};
+    let url = "http://localhost:8080/api/set-winsize";
+    fetch(url, {method: "post", body: JSON.stringify(winSize)}).then((resp) => handleJsonFetchResponse(url, resp)).catch((err) => {
+        console.log("error setting winsize", err)
+    });
+}
+
+function calcBounds(clientData) {
+    let primaryDisplay = electron.screen.getPrimaryDisplay();
+    let size = {x: 50, y: 50, width: primaryDisplay.width-150, height: primaryDisplay.height-150};
+    if (clientData != null && clientData.winsize != null && clientData.winsize.width > 0) {
+        let cwinSize = clientData.winsize;
+        if (cwinSize.width > 0) {
+            size.width = cwinSize.width;
+        }
+        if (cwinSize.height > 0) {
+            size.height = cwinSize.height;
+        }
+        if (cwinSize.top >= 0) {
+            size.y = cwinSize.top;
+        }
+        if (cwinSize.left >= 0) {
+            size.x = cwinSize.left;
+        }
+    }
+    if (size.width < 300) {
+        size.width = 300;
+    }
+    if (size.height < 300) {
+        size.height = 300;
+    }
+    if (primaryDisplay.size.width < size.width) {
+        size.width = primaryDisplay.size.width;
+    }
+    if (primaryDisplay.size.height < size.height) {
+        size.height = primaryDisplay.size.height;
+    }
+    if (primaryDisplay.size.width < size.x + size.width) {
+        size.x = primaryDisplay.size.width - size.width;
+    }
+    if (primaryDisplay.size.hgiehg < size.y + size.height) {
+        size.y = primaryDisplay.size.height - size.height;
     }
     return size;
 }
 
-// primary display { width: 1680, height: 1050 }
-app.whenReady().then(() => {
-    let size = calcSize();
-    MainWindow = createMainWindow(size);
-
-    app.on('activate', () => {
-        if (electron.BrowserWindow.getAllWindows().length === 0) {
-            let size = calcSize();
-            createMainWindow(size);
-        }
-    })
-});
-
 app.on('window-all-closed', () => {
     if (process.platform !== 'darwin') app.quit()
 });
@@ -188,11 +224,43 @@ function getContextMenu() : any {
     return menu;
 }
 
+function getClientData() {
+    let url = "http://localhost:8080/api/get-client-data";
+    return fetch(url).then((resp) => handleJsonFetchResponse(url, resp)).then((data) => {
+        if (data == null) {
+            return null;
+        }
+        return data.data;
+    }).catch((err) => {
+        console.log("error getting client-data", err);
+        return null;
+    });
+}
+
 electron.ipcMain.on("context-screen", (event, {screenId}, {x, y}) => {
     console.log("context-screen", screenId);
     let menu = getContextMenu();
     menu.popup({x, y});
 });
 
+async function createMainWindowWrap() {
+    let clientData = await getClientData();
+    MainWindow = createMainWindow(clientData);
+    if (clientData && clientData.winsize.fullscreen) {
+        MainWindow.setFullScreen(true);
+    }
+}
 
 
+// ====== MAIN ====== //
+
+(async () => {
+    await app.whenReady();
+    await createMainWindowWrap();
+    app.on('activate', () => {
+        if (electron.BrowserWindow.getAllWindows().length === 0) {
+            createMainWindowWrap().then();
+        }
+    })
+})();
+
diff --git a/yarn.lock b/yarn.lock
index 8da1ad25..f185c7a1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2633,6 +2633,11 @@ csstype@^3.0.2:
   resolved "https://registry.yarnpkg.com/csstype/-/csstype-3.1.0.tgz#4ddcac3718d787cf9df0d1b7d15033925c8f29f2"
   integrity sha512-uX1KG+x9h5hIJsaKR9xHUeUraxf8IODOwq9JLNPq6BwB04a/xgpq3rcx47l5BZu5zBPlgD342tdke3Hom/nJRA==
 
+data-uri-to-buffer@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/data-uri-to-buffer/-/data-uri-to-buffer-4.0.0.tgz#b5db46aea50f6176428ac05b73be39a57701a64b"
+  integrity sha512-Vr3mLBA8qWmcuschSLAOogKgQ/Jwxulv3RNE4FXnYWRGujzrRWQI4m12fQqRkwX06C0KanhLr4hK+GydchZsaA==
+
 dayjs@^1.11.3:
   version "1.11.5"
   resolved "https://registry.yarnpkg.com/dayjs/-/dayjs-1.11.5.tgz#00e8cc627f231f9499c19b38af49f56dc0ac5e93"
@@ -3162,6 +3167,14 @@ fd-slicer@~1.1.0:
   dependencies:
     pend "~1.2.0"
 
+fetch-blob@^3.1.2, fetch-blob@^3.1.4:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/fetch-blob/-/fetch-blob-3.2.0.tgz#f09b8d4bbd45adc6f0c20b7e787e793e309dcce9"
+  integrity sha512-7yAQpD2UMJzLi1Dqv7qFYnPbaPx7ZfFK6PiIxQ4PfkGPyNyl2Ugx+a/umUonmKqjhM4DnfbMvdX6otXq83soQQ==
+  dependencies:
+    node-domexception "^1.0.0"
+    web-streams-polyfill "^3.0.3"
+
 figures@^3.0.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/figures/-/figures-3.2.0.tgz#625c18bd293c604dc4a8ddb2febf0c88341746af"
@@ -3248,6 +3261,13 @@ follow-redirects@^1.0.0:
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.15.1.tgz#0ca6a452306c9b276e4d3127483e29575e207ad5"
   integrity sha512-yLAMQs+k0b2m7cVxpS1VKJVvoz7SS9Td1zss3XRwXj+ZDH00RJgnuLx7E44wx02kQLrdM3aOOy+FpzS7+8OizA==
 
+formdata-polyfill@^4.0.10:
+  version "4.0.10"
+  resolved "https://registry.yarnpkg.com/formdata-polyfill/-/formdata-polyfill-4.0.10.tgz#24807c31c9d402e002ab3d8c720144ceb8848423"
+  integrity sha512-buewHzMvYL29jdeQTVILecSaZKnt/RJWjoZCF5OW60Z67/GmSLBkOFM7qh1PI3zFNtJbaZL5eQu1vLfazOwj4g==
+  dependencies:
+    fetch-blob "^3.1.2"
+
 forwarded@0.2.0:
   version "0.2.0"
   resolved "https://registry.yarnpkg.com/forwarded/-/forwarded-0.2.0.tgz#2269936428aad4c15c7ebe9779a84bf0b2a81811"
@@ -4594,6 +4614,11 @@ node-api-version@^0.1.4:
   dependencies:
     semver "^7.3.5"
 
+node-domexception@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/node-domexception/-/node-domexception-1.0.0.tgz#6888db46a1f71c0b76b3f7555016b63fe64766e5"
+  integrity sha512-/jKZoMpw0F8GRwl4/eLROPA3cfcXtLApP0QzLmUT/HuPCZWyB7IY9ZrMeKw2O/nFIqPQB3PVM9aYm0F312AXDQ==
+
 node-fetch@^2.6.7:
   version "2.6.7"
   resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.7.tgz#24de9fba827e3b4ae44dc8b20256a379160052ad"
@@ -4601,6 +4626,15 @@ node-fetch@^2.6.7:
   dependencies:
     whatwg-url "^5.0.0"
 
+node-fetch@^3.2.10:
+  version "3.2.10"
+  resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-3.2.10.tgz#e8347f94b54ae18b57c9c049ef641cef398a85c8"
+  integrity sha512-MhuzNwdURnZ1Cp4XTazr69K0BTizsBroX7Zx3UgDSVcZYKF/6p0CBe4EUb/hLqmzVhl0UpYfgRljQ4yxE+iCxA==
+  dependencies:
+    data-uri-to-buffer "^4.0.0"
+    fetch-blob "^3.1.4"
+    formdata-polyfill "^4.0.10"
+
 node-forge@^1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/node-forge/-/node-forge-1.3.1.tgz#be8da2af243b2417d5f646a770663a92b7e9ded3"
@@ -6159,6 +6193,11 @@ wcwidth@^1.0.1:
   dependencies:
     defaults "^1.0.3"
 
+web-streams-polyfill@^3.0.3:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/web-streams-polyfill/-/web-streams-polyfill-3.2.1.tgz#71c2718c52b45fd49dbeee88634b3a60ceab42a6"
+  integrity sha512-e0MO3wdXWKrLbL0DgGnUV7WHVuw9OUvL4hjgnPkIeEvESk74gAITi5G606JtZPp39cd8HA9VQzCIvA49LpPN5Q==
+
 webidl-conversions@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz#24534275e2a7bc6be7bc86611cc16ae0a5654871"