1 files changed, 152 insertions, 0 deletions
diff --git a/engines/lab/interface.cpp b/engines/lab/interface.cpp
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+++ b/engines/lab/interface.cpp
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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.
+ *
+ */
+
+#include "common/events.h"
+
+#include "lab/lab.h"
+
+#include "lab/dispman.h"
+#include "lab/eventman.h"
+#include "lab/image.h"
+#include "lab/utils.h"
+
+namespace Lab {
+
+Button *EventManager::createButton(uint16 x, uint16 y, uint16 id, Common::KeyCode key, Image *image, Image *altImage) {
+	Button *button = new Button();
+
+	if (button) {
+		button->_x = _vm->_utils->vgaScaleX(x);
+		button->_y = y;
+		button->_buttonId = id;
+		button->_keyEquiv = key;
+		button->_image = image;
+		button->_altImage = altImage;
+		button->_isEnabled = true;
+
+		return button;
+	} else
+		return nullptr;
+}
+
+void EventManager::freeButtonList(ButtonList *buttonList) {
+	for (ButtonList::iterator buttonIter = buttonList->begin(); buttonIter != buttonList->end(); ++buttonIter) {
+		Button *button = *buttonIter;
+		delete button->_image;
+		delete button->_altImage;
+		delete button;
+	}
+
+	buttonList->clear();
+}
+
+void EventManager::drawButtonList(ButtonList *buttonList) {
+	for (ButtonList::iterator button = buttonList->begin(); button != buttonList->end(); ++button) {
+		toggleButton((*button), 1, true);
+
+		if (!(*button)->_isEnabled)
+			toggleButton((*button), 1, false);
+	}
+}
+
+void EventManager::toggleButton(Button *button, uint16 disabledPenColor, bool enable) {
+	if (!enable)
+		_vm->_graphics->checkerBoardEffect(disabledPenColor, button->_x, button->_y, button->_x + button->_image->_width - 1, button->_y + button->_image->_height - 1);
+	else
+		button->_image->drawImage(button->_x, button->_y);
+
+	button->_isEnabled = enable;
+}
+
+Button *EventManager::checkNumButtonHit(ButtonList *buttonList, Common::KeyCode key) {
+	uint16 gkey = key - '0';
+
+	if (!buttonList)
+		return nullptr;
+
+	for (ButtonList::iterator buttonItr = buttonList->begin(); buttonItr != buttonList->end(); ++buttonItr) {
+		Button *button = *buttonItr;
+		if (!button->_isEnabled)
+			continue;
+
+		if ((gkey - 1 == button->_buttonId) || (gkey == 0 && button->_buttonId == 9) || (button->_keyEquiv != Common::KEYCODE_INVALID && key == button->_keyEquiv)) {
+			button->_altImage->drawImage(button->_x, button->_y);
+			_vm->_system->delayMillis(80);
+			button->_image->drawImage(button->_x, button->_y);
+			return button;
+		}
+	}
+
+	return nullptr;
+}
+
+IntuiMessage *EventManager::getMsg() {
+	static IntuiMessage message;
+
+	updateMouse();
+	processInput();
+
+	if (_lastButtonHit) {
+		updateMouse();
+		message._msgClass = kMessageButtonUp;
+		message._code = _lastButtonHit->_buttonId;
+		message._qualifier = _keyPressed.flags;
+		_lastButtonHit = nullptr;
+		return &message;
+	} else if (_leftClick || _rightClick) {
+		message._msgClass = (_leftClick) ? kMessageLeftClick : kMessageRightClick;
+		message._qualifier = 0;
+		message._mouse = _mousePos;
+		if (!_vm->_isHiRes)
+			message._mouse.x /= 2;
+		_leftClick = _rightClick = false;
+		return &message;
+	} else if (_keyPressed.keycode != Common::KEYCODE_INVALID) {
+		Button *curButton = checkNumButtonHit(_screenButtonList, _keyPressed.keycode);
+
+		if (curButton) {
+			message._msgClass = kMessageButtonUp;
+			message._code = curButton->_buttonId;
+		} else {
+			message._msgClass = kMessageRawKey;
+			message._code = _keyPressed.keycode;
+		}
+
+		message._qualifier = _keyPressed.flags;
+		message._mouse = _mousePos;
+
+		_keyPressed.keycode = Common::KEYCODE_INVALID;
+
+		return &message;
+	} else
+		return nullptr;
+}
+
+} // End of namespace Lab