WIP

frontend/src/app/render_wasm/api/texts.cljs

@@ -141,6 +141,7 @@
           heap (mem/get-heap-u8)]
       (.set heap (js/Uint8Array. buffer) metadata-offset)))
 
+  (prn "set_shape_text_content")
   (h/call wasm/internal-module "_set_shape_text_content"))
 
 (def ^:private emoji-pattern #"[\uD83C-\uDBFF][\uDC00-\uDFFF]|[\u2600-\u27BF]")

frontend/text-editor/src/editor/controllers/SelectionController.js

@@ -1382,13 +1382,10 @@ export class SelectionController extends EventTarget {
    */
   insertParagraph() {
     if (this.isParagraphEnd) {
-      console.log('a')
       return this.insertParagraphAfter();
     } else if (this.isParagraphStart) {
-      console.log('b')
       return this.insertParagraphBefore();
     }
-    console.log('c')
     return this.splitParagraph();
   }
 
@@ -1402,16 +1399,18 @@ export class SelectionController extends EventTarget {
 
     this.removeSelected();
 
-    const newParagraph = splitParagraph(
-      currentParagraph,
-      currentInline,
-      this.focusOffset,
-    );
-    currentParagraph.after(newParagraph);
-
-    this.#mutations.update(currentParagraph);
-    this.#mutations.add(newParagraph);
-
+    if (currentParagraph && currentInline) {
+      const newParagraph = splitParagraph(
+        currentParagraph,
+        currentInline,
+        this.focusOffset,
+      );
+      currentParagraph.after(newParagraph);
+      this.#mutations.update(currentParagraph);
+      this.#mutations.add(newParagraph);
+    } else {
+      console.log(this.#focusNode)
+    }
     // FIXME: Missing collapse?
   }
 

render-wasm/src/render/text.rs

@@ -53,6 +53,7 @@ pub fn render(
                 continue;
             }
 
+            // Performs the text layout.
             skia_paragraph.layout(shape.bounds().width());
 
             let paragraph_height = skia_paragraph.height();

render-wasm/src/wasm/text.rs

@@ -11,6 +11,7 @@ pub extern "C" fn clear_shape_text() {
     });
 }
 
+// TODO: We should modify text content in a smarter way.
 #[no_mangle]
 pub extern "C" fn set_shape_text_content() {
     let bytes = mem::bytes();