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engines/ultima/ultima4/controllers/alpha_action_controller.h

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+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ULTIMA4_CONTROLLERS_ALPHA_ACTION_CONTROLLER_H
+#define ULTIMA4_CONTROLLERS_ALPHA_ACTION_CONTROLLER_H
+
+#include "ultima/ultima4/controllers/controller.h"
+#include "ultima/ultima4/events/event_handler.h"
+
+namespace Ultima {
+namespace Ultima4 {
+
+/**
+ * A controller to handle input for commands requiring a letter
+ * argument in the range 'a' - lastValidLetter.
+ */
+class AlphaActionController : public WaitableController<int> {
+private:
+	char _lastValidLetter;
+	Common::String _prompt;
+public:
+	AlphaActionController(char letter, const Common::String &p) :
+		WaitableController<int>(-1), _lastValidLetter(letter), _prompt(p) {}
+
+	bool keyPressed(int key) override;
+	void keybinder(KeybindingAction action) override;
+
+	static int get(char lastValidLetter, const Common::String &prompt, EventHandler *eh = nullptr);
+};
+
+} // End of namespace Ultima4
+} // End of namespace Ultima
+
+#endif