Class AsyncTextInput

src/AsyncDialog.cpp:162–278

}

struct AsyncTextInput : OpaqueWidget
{
	static const constexpr float margin = 10;
	static const constexpr float buttonWidth = 100;

	AsyncTextInput(const char* const message, const char* const text, const std::function<void(char* newText)> action)
	{
		box.size = math::Vec(400, 80);

		SequentialLayout* const layout = new SequentialLayout;
		layout->box.pos = math::Vec(0, 0);
		layout->box.size = box.size;
		layout->orientation = SequentialLayout::VERTICAL_ORIENTATION;
		layout->margin = math::Vec(margin, margin);
		layout->spacing = math::Vec(margin, margin);
		layout->wrap = false;
		addChild(layout);

		SequentialLayout* const contentLayout = new SequentialLayout;
		contentLayout->box.size.x = box.size.x - 2*margin;
		contentLayout->box.size.y = box.size.y / 2 - margin;
		contentLayout->spacing = math::Vec(margin, margin);
		layout->addChild(contentLayout);

		SequentialLayout* const buttonLayout = new SequentialLayout;
		buttonLayout->alignment = SequentialLayout::CENTER_ALIGNMENT;
		buttonLayout->box.size.x = box.size.x - 2*margin;
		buttonLayout->box.size.y = box.size.y / 2 - margin;
		buttonLayout->spacing = math::Vec(margin, margin);
		layout->addChild(buttonLayout);

		Label* label;
		if (message != nullptr)
		{
			label = new Label;
			nvgFontSize(APP->window->vg, 14);
			label->box.size.x = std::min(bndLabelWidth(APP->window->vg, -1, message) + margin,
			                             box.size.x / 2 - margin);
			label->box.size.y = contentLayout->box.size.y;
			label->fontSize = 14;
			label->text = message;
			contentLayout->addChild(label);
		}
		else
		{
			label = nullptr;
		}

		struct AsyncTextField : TextField {
			AsyncTextInput* dialog;
			std::function<void(char*)> action;
			void onSelectKey(const SelectKeyEvent& e) override {
				if (e.key == GLFW_KEY_ENTER || e.key == GLFW_KEY_KP_ENTER)
				{
					e.consume(this);
					action(strdup(text.c_str()));
					dialog->getParent()->requestDelete();
					return;