Class AsyncDialog

src/AsyncDialog.cpp:36–138

using namespace rack::widget;

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

	SequentialLayout* layout;
	SequentialLayout* contentLayout;
	SequentialLayout* buttonLayout;
	Label* label;

	AsyncDialog(const char* const message)
	{
		setup(message);

		struct AsyncDismissButton : Button {
			AsyncDialog* dialog;
			void onAction(const ActionEvent& e) override {
				dialog->getParent()->requestDelete();
			}
		};
		AsyncDismissButton* const dismissButton = new AsyncDismissButton;
		dismissButton->box.size.x = buttonWidth;
		dismissButton->text = "Dismiss";
		dismissButton->dialog = this;
		buttonLayout->addChild(dismissButton);
	}

	AsyncDialog(const char* const message, const std::function<void()> action)
	{
		setup(message);

		struct AsyncCancelButton : Button {
			AsyncDialog* dialog;
			void onAction(const ActionEvent& e) override {
				dialog->getParent()->requestDelete();
			}
		};
		AsyncCancelButton* const cancelButton = new AsyncCancelButton;
		cancelButton->box.size.x = buttonWidth;
		cancelButton->text = "Cancel";
		cancelButton->dialog = this;
		buttonLayout->addChild(cancelButton);

		struct AsyncOkButton : Button {
			AsyncDialog* dialog;
			std::function<void()> action;
			void onAction(const ActionEvent& e) override {
				action();
				dialog->getParent()->requestDelete();
			}
		};
		AsyncOkButton* const okButton = new AsyncOkButton;
		okButton->box.size.x = buttonWidth;
		okButton->text = "Ok";
		okButton->dialog = this;
		okButton->action = action;
		buttonLayout->addChild(okButton);
	}