1 files changed, 129 insertions, 0 deletions
diff --git a/backends/common/keymapper.cpp b/backends/common/keymapper.cpp
new file mode 100644
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+++ b/backends/common/keymapper.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.
+*
+* $URL$
+* $Id$
+*
+*/
+
+#include "backends/common/keymapper.h"
+#include "backends/common/keymap-manager.h"
+#include "common/config-manager.h"
+namespace Common {
+
+Keymapper::Keymapper(EventManager *evtMgr) {
+	_eventMan = evtMgr;
+	_keymapMan = new KeymapManager();
+	_currentMap = 0;
+}
+
+void Keymapper::registerHardwareKeySet(HardwareKeySet *keys) {
+	_keymapMan->registerHardwareKeySet(keys);
+}
+
+void Keymapper::addGlobalKeyMap(const String& name, Keymap *keymap) {
+	_keymapMan->registerGlobalKeymap(name, keymap);
+}
+
+void Keymapper::addGameKeyMap(const String& name, Keymap *keymap) {
+	if (_gameId.size() == 0) {
+		initGame();
+		if (_gameId.size() == 0)
+			return;
+	}
+	_keymapMan->registerGameKeymap(name, keymap);
+}
+
+void Keymapper::initGame() {
+	if (ConfMan.getActiveDomain() == 0)
+		error("Call to Keymapper::initGame when no game loaded");
+
+	if (_gameId.size() > 0)
+		cleanupGame();
+	_gameId = ConfMan.getActiveDomainName();
+}
+
+void Keymapper::cleanupGame() {
+	_keymapMan->unregisterAllGameKeymaps();
+	_gameId.clear();
+}
+
+
+bool Keymapper::switchKeymap(const String& name) {
+	Keymap *new_map = _keymapMan->getKeymap(name);
+	if (!new_map) {
+		warning("Keymap '%s' not registered", name.c_str());
+		return false;
+	}
+	_currentMap = new_map;
+	return true;
+}
+
+bool Keymapper::mapKeyDown(const KeyState& key) {
+	return mapKey(key, true);
+}
+
+bool Keymapper::mapKeyUp(const KeyState& key) {
+	return mapKey(key, false);
+}
+
+bool Keymapper::mapKey(const KeyState& key, bool isKeyDown) {
+	if (!_currentMap) return false;
+	UserAction *action = _currentMap->getMappedAction(key);
+	if (!action) return false;
+	List<Event>::iterator it;
+	for (it = action->events.begin(); it != action->events.end(); it++) {
+		Event evt = *it;
+		bool pushEvent = true;
+		switch (evt.type) {
+		case EVENT_KEYDOWN:
+			if (!isKeyDown) evt.type = EVENT_KEYUP;
+			break;
+		case EVENT_KEYUP:
+			if (isKeyDown) evt.type = EVENT_KEYDOWN;
+			break;
+		case EVENT_LBUTTONDOWN:
+			if (!isKeyDown) evt.type = EVENT_LBUTTONUP;
+			break;
+		case EVENT_LBUTTONUP:
+			if (isKeyDown) evt.type = EVENT_LBUTTONDOWN;
+			break;
+		case EVENT_RBUTTONDOWN:
+			if (!isKeyDown) evt.type = EVENT_RBUTTONUP;
+			break;
+		case EVENT_RBUTTONUP:
+			if (isKeyDown) evt.type = EVENT_RBUTTONDOWN;
+			break;
+		case EVENT_MBUTTONDOWN:
+			if (!isKeyDown) evt.type = EVENT_MBUTTONUP;
+			break;
+		case EVENT_MBUTTONUP:
+			if (isKeyDown) evt.type = EVENT_MBUTTONDOWN;
+			break;
+		default:
+			// don't deliver other events on key up
+			if (!isKeyDown) pushEvent = false;
+		}
+		if (pushEvent) _eventMan->pushEvent(evt);
+	}
+	return true;
+}
+
+} // end of namespace Common