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engines/mutationofjb/guiscreen.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 MUTATIONOFJB_GUISCREEN_H
+#define MUTATIONOFJB_GUISCREEN_H
+
+#include "common/array.h"
+
+namespace Common {
+struct Event;
+}
+
+namespace Graphics {
+class Screen;
+}
+
+namespace MutationOfJB {
+
+class Game;
+class Widget;
+
+/**
+ * Base class for GUI screens.
+ *
+ * GUI screen is a collection of widgets.
+ */
+class GuiScreen {
+public:
+
+	GuiScreen(Game &game, Graphics::Screen *screen);
+	virtual ~GuiScreen();
+	Game &getGame();
+
+	/**
+	 * Marks all visible widgets as dirty (needs redraw).
+	 */
+	void markDirty();
+
+	/**
+	 * Lets all visible widgets handle core events.
+	 *
+	 * @param event ScummVM event.
+	 */
+	virtual void handleEvent(const Common::Event &event);
+
+	/**
+	 * Updates all visible widgets.
+	 */
+	void update();
+
+	/**
+	 * Adds a widget to the GUI screen.
+	 * The GUI screen will own the widget.
+	 *
+	 * @param widget Widget to add.
+	 */
+	void addWidget(Widget *widget);
+
+protected:
+	typedef Common::Array<Widget *> Widgets;
+
+	Game &_game;
+	Graphics::Screen *_screen;
+
+	const Widgets &getWidgets() const;
+
+private:
+	Widgets _widgets;
+};
+
+}
+
+#endif