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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 2
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+/*
+ * This code is based on Labyrinth of Time code with assistance of
+ *
+ * Copyright (c) 1993 Terra Nova Development
+ * Copyright (c) 2004 The Wyrmkeep Entertainment Co.
+ *
+ */
+
+#ifndef LAB_EVENTMAN_H
+#define LAB_EVENTMAN_H
+
+#include "common/events.h"
+
+namespace Lab {
+
+class LabEngine;
+class Image;
+
+struct IntuiMessage {
+ MessageClass _msgClass;
+ uint16 _code; // KeyCode or Button Id
+ uint16 _qualifier;
+ Common::Point _mouse;
+};
+
+struct Button {
+ uint16 _x, _y, _buttonId;
+ Common::KeyCode _keyEquiv; // the key which activates this button
+ bool _isEnabled;
+ Image *_image, *_altImage;
+};
+
+typedef Common::List<Button *> ButtonList;
+
+class EventManager {
+private:
+ LabEngine *_vm;
+
+ bool _leftClick;
+ bool _rightClick;
+
+ Button *_hitButton;
+ Button *_lastButtonHit;
+ ButtonList *_screenButtonList;
+ Common::Point _mousePos;
+ Common::KeyState _keyPressed;
+
+private:
+ /**
+ * Checks whether or not the cords fall within one of the buttons in a list
+ * of buttons.
+ */
+ Button *checkButtonHit(ButtonList *buttonList, Common::Point pos);
+
+ /**
+ * Checks whether or not the coords fall within one of the buttons in a list
+ * of buttons.
+ */
+ Button *checkNumButtonHit(ButtonList *buttonList, Common::KeyCode key);
+
+public:
+ EventManager (LabEngine *vm);
+
+ void attachButtonList(ButtonList *buttonList);
+ Button *createButton(uint16 x, uint16 y, uint16 id, Common::KeyCode key, Image *image, Image *altImage);
+ void toggleButton(Button *button, uint16 penColor, bool enable);
+
+ /**
+ * Draws a button list to the screen.
+ */
+ void drawButtonList(ButtonList *buttonList);
+ void freeButtonList(ButtonList *buttonList);
+ Button *getButton(uint16 id);
+
+ IntuiMessage *getMsg();
+
+ /**
+ * Initializes the mouse.
+ */
+ void initMouse();
+
+ /**
+ * Shows the mouse.
+ */
+ void mouseShow();
+
+ /**
+ * Hides the mouse.
+ */
+ void mouseHide();
+ void processInput();
+
+ /**
+ * Moves the mouse to new co-ordinates.
+ */
+ void setMousePos(Common::Point pos);
+ void updateMouse();
+ Common::Point updateAndGetMousePos();
+
+ /**
+ * Simulates an event for the game main loop, when a game is
+ * loaded or when the user teleports to a scene
+ */
+ void simulateEvent();
+};
+
+} // End of namespace Lab
+
+#endif // LAB_EVENTMAN_H