Update input text when value is changed externally

Author: felipemanga

src/gui/controllers/Input.cpp

@@ -23,10 +23,11 @@ class Input : public ui::Controller {
  Property<String> allowRegex{this, "allow", ""};
  Property<String> text{this, "text", ""};
  Property<String> spanId{this, "span", "value"};
+ Property<String> value{this, "value", "", &Input::changeValue};
  ui::Node* span = nullptr;
 
- Property<String> state{this, "state", "enabled", &Input::changeState};
- void changeState() {
+ void changeValue() {
+  node()->set("text", *value);
  }
 
  void attach() override {
@@ -136,7 +137,7 @@ class Input : public ui::Controller {
  offset += insert.size();
  }
  node()->set("text", Font::toString(entities, false));
- node()->set("value", Font::toString(entities, true));
+ node()->set("value", *value = Font::toString(entities, true));
  }
 
  void eventHandler(const ui::TextEvent& event) {
@@ -187,7 +188,7 @@ class Input : public ui::Controller {
  }
  if (changed) {
  node()->set("text", Font::toString(entities, false));
- node()->set("value", Font::toString(entities, true));
+ node()->set("value", *value = Font::toString(entities, true));
  node()->processEvent(ui::Changed{node()});
  }
  } else if (keyName == "RIGHT") {