uivonim.diff

diff --git a/src/windows/window-manager.ts b/src/windows/window-manager.ts
index be87fe9..8e5538b 100644
--- a/src/windows/window-manager.ts
+++ b/src/windows/window-manager.ts
@@ -32,7 +32,16 @@ const getWindowById = (windowId: number) => {
 const getInstanceWindows = (id = instances.current) =>
   [...windows.values()].filter((win) => win.id.startsWith(`i${id}`))
 
+let webglTimeout: any;
+
 const refreshWebGLGrid = () => {
+  if (webglTimeout)
+    clearTimeout(webglTimeout)
+  webglTimeout = setTimeout(refreshWebGLGridImplementation, 15)
+}
+
+const refreshWebGLGridImplementation = () => {
+  webglTimeout = undefined
   webgl.clearAll()
   getInstanceWindows().forEach((w) => w.redrawFromGridBuffer())
 }
diff --git a/src/windows/window.ts b/src/windows/window.ts
index 0649a1d..ecf9cf3 100644
--- a/src/windows/window.ts
+++ b/src/windows/window.ts
@@ -161,6 +161,8 @@ export default () => {
   container.appendChild(nameplate.element)
   container.appendChild(content)
 
+  const dimensions = new WeakMap()
+
   const api = {
     get id() {
       return wininfo.id
@@ -278,7 +280,15 @@ export default () => {
   }
 
   api.refreshLayout = () => {
-    const { top, left, width, height } = content.getBoundingClientRect()
+    let rect
+    if (dimensions.has(content)) {
+      rect = dimensions.get(content)
+    }
+    else {
+      rect = content.getBoundingClientRect()
+      dimensions.set(content, rect)
+    }
+    const { top, left, width, height } = rect
 
     const x = left
     const y = top - titleSpecs.height