implement in-game popups

1 files changed, 24 insertions, 0 deletions

diff --git a/lib/nes/app/ui/screen-confirm-quit.hh b/lib/nes/app/ui/screen-confirm-quit.hh
new file mode 100644
index 0000000..c176f4b
--- /dev/null
+++ b/lib/nes/app/ui/screen-confirm-quit.hh
@@ -0,0 +1,24 @@
+#pragma once
+
+#include "nes/app/ui/screen.hh"
+
+namespace nes::app
+{
+	class input_device_keyboard;
+
+	/// A popup asking the user if they really want to quit the game.
+	class screen_confirm_quit final : public screen
+	{
+		input_device_keyboard& keyboard_;
+		bool confirm_{ false };
+
+	public:
+		explicit screen_confirm_quit(input_device_keyboard&);
+
+		auto get_confirm() const -> bool { return confirm_; }
+		auto set_confirm(bool const v) -> void { confirm_ = v; }
+
+		auto render(renderer&) -> void override;
+		auto process_events() -> action override;
+	};
+} // namespace nes::app
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