Checking for inputs on the main document as well as the frame. Fix for #2422

src/canvas/index.js

@@ -552,8 +552,12 @@ export default () => {
      */
     isInputFocused() {
       const doc = this.getDocument();
+      const frame = this.getFrameEl();
       const toIgnore = ['body', ...this.getConfig().notTextable];
-      const focused = doc && doc.activeElement;
+      const docActive = frame && document.activeElement === frame;
+      const focused = docActive
+        ? doc && doc.activeElement
+        : document.activeElement;
 
       return focused && !toIgnore.some(item => focused.matches(item));
     },

src/canvas/view/CanvasView.js

@@ -92,7 +92,11 @@ export default Backbone.View.extend({
     const { em } = this;
     const key = getKeyChar(ev);
 
-    if (key === ' ' && em.getZoomDecimal() !== 1) {
+    if (
+      key === ' ' &&
+      em.getZoomDecimal() !== 1 &&
+      !em.get('Canvas').isInputFocused()
+    ) {
       this.preventDefault(ev);
       em.get('Editor').runCommand('core:canvas-move');
     }