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engines/stark/ui/screen.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 STARK_UI_SCREEN_H
+#define STARK_UI_SCREEN_H
+
+#include "common/array.h"
+#include "common/rect.h"
+
+#include "engines/stark/ui/window.h"
+
+namespace Stark {
+
+/**
+ * Screens are individual pages of the user interface
+ */
+class Screen {
+public:
+	enum Name {
+		kScreenMainMenu,
+		kScreenGame,
+		kScreenFMV,
+		kScreenDiaryIndex,
+		kScreenSettingsMenu,
+		kScreenSaveMenu,
+		kScreenLoadMenu,
+		kScreenFMVMenu,
+		kScreenDiaryPages,
+		kScreenDialog
+	};
+
+	explicit Screen(Name name) : _name(name) {};
+	virtual ~Screen() {};
+
+	/** Obtain the name of the screen */
+	Name getName() const { return _name; }
+
+	/** The screen is being made active, prepare it to be drawn */
+	virtual void open() {}
+
+	/** The screen is no longer active, release resources to free memory */
+	virtual void close() {}
+
+	/** Draw the screen */
+	virtual void render() = 0;
+
+	/** Called once per game loop when the screen is active. */
+	virtual void handleGameLoop() {}
+
+	/** Called when the screen resolution changes */
+	virtual void onScreenChanged() {}
+
+	virtual void handleMouseMove() = 0;
+	virtual void handleClick() = 0;
+	virtual void handleRightClick() = 0;
+	virtual void handleDoubleClick() = 0;
+
+private:
+	Name _name;
+};
+
+class SingleWindowScreen : public Screen, public Window {
+public:
+	SingleWindowScreen(Name name, Gfx::Driver *gfx, Cursor *cursor) :
+			Screen(name), Window(gfx, cursor) {}
+
+	void handleGameLoop() override { Window::handleGameLoop(); }
+	void render() override { Window::render(); }
+
+	void handleMouseMove() override { Window::handleMouseMove(); }
+	void handleClick() override { Window::handleClick(); }
+	void handleRightClick() override { Window::handleRightClick(); }
+	void handleDoubleClick() override { Window::handleDoubleClick(); }
+};
+
+} // End of namespace Stark
+
+ #endif // STARK_UI_SCREEN_H