Method ShaderEditor

visage_widgets/shader_editor.cpp:194–232

  }

  ShaderEditor::ShaderEditor() {
    addChild(&editor_);
    addChild(&error_);
    addChild(&status_);
    editor_.setMultiLine(true);
    editor_.setMargin(15, 10);
    editor_.setFont(Font(16, fonts::DroidSansMono_ttf));
    editor_.setJustification(Font::kTopLeft);
    editor_.setDefaultText("No shader set");

    editor_.onTextChange() += [this] {
      if (shader_.data) {
        std::string text = editor_.text().toUtf8();
        auto callback = [this](const std::string& error) {
          error_.setText(error);
          status_.redraw();
          redraw();
        };
        compiler_.compile(shader_, text, callback);
      }
    };

    error_.setMultiLine(true);
    error_.setMargin(15, 10);
    error_.setFont(Font(16, fonts::DroidSansMono_ttf));
    error_.setJustification(Font::kTopLeft);
    error_.setActive(false);

    status_.onDraw() = [this](Canvas& canvas) {
      if (error_.text().isEmpty()) {
        canvas.setColor(0xff66ff66);
        canvas.svg(icons::check_circle_svg, 0.0f, 0.0f, status_.width(), status_.height());
      }
      else {
        canvas.setColor(0xffff6666);
        canvas.svg(icons::x_circle_svg, 0, 0, status_.width(), status_.height());
      }
    };
  }

  void ShaderEditor::draw(Canvas& canvas) {
    canvas.setColor(0xff222222);