text-wrapping + fix

src/graphics/ui/elements/TextBox.cpp

@@ -101,11 +101,19 @@ void TextBox::drawBackground(const GfxContext* pctx, Assets* assets) {
         batch->setColor(glm::vec4(1, 1, 1, 0.1f));
         glm::vec2 lcoord = label->calcPos();
         lcoord.y -= 2;
+
         uint line = label->getLineByTextIndex(caret);
-        int lineY = label->getLineYOffset(line);
-        int lineHeight = font->getLineHeight() * label->getLineInterval();
-        batch->rect(lcoord.x, lcoord.y+lineY, label->getSize().x, 1);
-        batch->rect(lcoord.x, lcoord.y+lineY+lineHeight-2, label->getSize().x, 1);
+        while (label->isFakeLine(line)) {
+            line--;
+        }
+        batch->setColor(glm::vec4(1, 1, 1, 0.05f));
+        do {
+            int lineY = label->getLineYOffset(line);
+            int lineHeight = font->getLineHeight() * label->getLineInterval();
+
+            batch->rect(lcoord.x, lcoord.y+lineY, label->getSize().x, lineHeight);
+            line++;
+        } while (line < label->getLinesNumber() && label->isFakeLine(line));
     }
 
     label->setColor(glm::vec4(input.empty() ? 0.5f : 1.0f));
@@ -225,6 +233,14 @@ void TextBox::setMultiline(bool multiline) {
 bool TextBox::isMultiline() const {
     return multiline;
 }
+   
+void TextBox::setTextWrapping(bool flag) {
+    label->setTextWrapping(flag);
+}
+
+bool TextBox::isTextWrapping() const {
+    return label->isTextWrapping();
+}
 
 void TextBox::setEditable(bool editable) {
     this->editable = editable;