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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 "gui/virtualKeyboardParser.h"
#include "common/keyboard.h"
#include "graphics/imageman.h"
#include "common/util.h"
namespace GUI {
VirtualKeyboardParser::VirtualKeyboardParser(VirtualKeyboard *kbd) : XMLParser() {
_keyboard = kbd;
_callbacks["keyboard"] = &VirtualKeyboardParser::parserCallback_Keyboard;
_callbacks["mode"] = &VirtualKeyboardParser::parserCallback_Mode;
_callbacks["event"] = &VirtualKeyboardParser::parserCallback_Event;
_callbacks["layout"] = &VirtualKeyboardParser::parserCallback_Layout;
_callbacks["map"] = &VirtualKeyboardParser::parserCallback_Map;
_callbacks["area"] = &VirtualKeyboardParser::parserCallback_Area;
}
bool VirtualKeyboardParser::keyCallback(Common::String keyName) {
if (!_callbacks.contains(_activeKey.top()->name))
return parserError("%s is not a valid key name.", keyName.c_str());
return (this->*(_callbacks[_activeKey.top()->name]))();
}
bool VirtualKeyboardParser::parserCallback_Keyboard() {
ParserNode *kbdNode = getActiveNode();
assert(kbdNode->name == "keyboard");
if (getParentNode(kbdNode) != 0)
return parserError("Keyboard element must be root");
if (_kbdParsed)
return parserError("Only a single keyboard element is allowed");
_kbdParsed = true;
return true;
}
bool VirtualKeyboardParser::parserCallback_Mode() {
ParserNode *modeNode = getActiveNode();
assert(modeNode->name == "mode");
if (getParentNode(modeNode) == 0 || getParentNode(modeNode)->name != "keyboard")
return parserError("Mode element must be child of keyboard element");
if (!modeNode->values.contains("name") || !modeNode->values.contains("resolutions"))
return parserError("Mode element must contain name and resolutions attributes");
Common::String name = modeNode->values["name"];
if (_keyboard->_modes.contains(name))
return parserError("Mode '%s' has already been defined", name);
VirtualKeyboard::Mode mode;
mode.name = name;
_keyboard->_modes[name] = mode;
_currentMode = &(_keyboard->_modes[name]);
Common::String resolutions = modeNode->values["resolutions"];
Common::StringTokenizer tok(resolutions, " ,");
uint16 scrX = g_system->getOverlayWidth(), scrY = g_system->getOverlayHeight();
uint32 diff = 0xFFFFFFFF;
for (Common::String res = tok.nextToken(); res.size() > 0; res = tok.nextToken()) {
int resX, resY;
if (sscanf(res.c_str(), "%dx%d", &resX, &resY) != 2) {
parserError("Invalid resolution specification");
} else {
if (resX == scrX && resY == scrY) {
_currentMode->resolution = res;
break;
} else if (resX < scrX && resY < scrY) {
uint16 newDiff = (scrX - resX) + (scrY - resY);
if (newDiff < diff) {
diff = newDiff;
_currentMode->resolution = res;
}
}
}
}
if (_currentMode->resolution.empty())
return parserError("No acceptable resolution was found");
return true;
}
bool VirtualKeyboardParser::parserCallback_Event() {
ParserNode *evtNode = getActiveNode();
assert(evtNode->name == "event");
if (getParentNode(evtNode) == 0 || getParentNode(evtNode)->name != "mode")
return parserError("Event element must be child of mode element");
if (!evtNode->values.contains("name") || !evtNode->values.contains("type"))
return parserError("Event element must contain name and type attributes");
assert(_currentMode);
Common::String name = evtNode->values["name"];
if (_currentMode->events.contains(name))
return parserError("Event '%s' has already been defined", name);
VirtualKeyboard::Event evt;
evt.name = name;
Common::String type = evtNode->values["type"];
if (type == "key") {
if (!evtNode->values.contains("code") || !evtNode->values.contains("ascii"))
return parserError("Key event element must contain code and ascii attributes");
evt.type = VirtualKeyboard::kEventKey;
Common::KeyCode code = (Common::KeyCode)atoi(evtNode->values["code"].c_str());
uint16 ascii = atoi(evtNode->values["ascii"].c_str());
byte flags = 0;
if (evtNode->values.contains("flags")) {
Common::StringTokenizer tok(evtNode->values["flags"], ", ");
for (Common::String fl = tok.nextToken(); !fl.empty(); fl = tok.nextToken()) {
if (fl == "ctrl" || fl == "control")
flags &= Common::KBD_CTRL;
else if (fl == "alt")
flags &= Common::KBD_ALT;
else if (fl == "shift")
flags &= Common::KBD_SHIFT;
}
}
evt.data = new Common::KeyState(code, ascii, flags);
} else if (type == "switch_mode") {
if (!evtNode->values.contains("mode"))
return parserError("Switch mode event element must contain mode attribute");
evt.type = VirtualKeyboard::kEventSwitchMode;
evt.data = new Common::String(evtNode->values["mode"]);
} else
return parserError("Event type '%s' not known", type);
_currentMode->events[name] = evt;
return true;
}
bool VirtualKeyboardParser::parserCallback_Layout() {
ParserNode *layoutNode = getActiveNode();
assert(layoutNode->name == "layout");
if (getParentNode(layoutNode) == 0 || getParentNode(layoutNode)->name != "mode")
return parserError("Layout element must be child of mode element");
if (!layoutNode->values.contains("resolution") || !layoutNode->values.contains("bitmap"))
return parserError("Layout element must contain resolution and bitmap attributes");
assert(!_currentMode->resolution.empty());
Common::String res = layoutNode->values["resolution"];
if (res != _currentMode->resolution) {
layoutNode->ignore = true;
return true;
}
_currentMode->bitmapName = layoutNode->values["bitmap"];
if (!ImageMan.registerSurface(_currentMode->bitmapName, 0))
return parserError("Error loading bitmap '%s'", _currentMode->bitmapName.c_str());
_currentMode->image = ImageMan.getSurface(_currentMode->bitmapName);
if (!_currentMode->image)
return parserError("Error loading bitmap '%s'", _currentMode->bitmapName.c_str());
return true;
}
bool VirtualKeyboardParser::parserCallback_Map() {
ParserNode *mapNode = getActiveNode();
assert(mapNode->name == "map");
if (getParentNode(mapNode) == 0 || getParentNode(mapNode)->name != "layout")
return parserError("Map element must be child of layout element");
return true;
}
bool VirtualKeyboardParser::parserCallback_Area() {
ParserNode *areaNode = getActiveNode();
assert(areaNode->name == "area");
if (getParentNode(areaNode) == 0 || getParentNode(areaNode)->name != "map")
return parserError("Area element must be child of map element");
if (!areaNode->values.contains("shape") || !areaNode->values.contains("coords") || !areaNode->values.contains("target"))
return parserError("Area element must contain shape, coords and target attributes");
Common::String shape = areaNode->values["shape"];
if (shape == "rect") {
int x1, y1, x2, y2;
if (!parseIntegerKey(areaNode->values["coords"].c_str(), 4, &x1, &y1, &x2, &y2))
return parserError("Invalid coords for rect area");
Common::Rect rect(x1, y1, x2, y2);
_currentMode->imageMap.addRectMapArea(rect, areaNode->values["target"]);
} else if (shape == "poly") {
Common::StringTokenizer tok (areaNode->values["coords"], ", ");
Common::Polygon poly;
for (Common::String st = tok.nextToken(); !st.empty(); st = tok.nextToken()) {
int x, y;
if (sscanf(st.c_str(), "%d", &x) != 1)
return parserError("Invalid coords for polygon area");
st = tok.nextToken();
if (sscanf(st.c_str(), "%d", &y) != 1)
return parserError("Invalid coords for polygon area");
poly.addPoint(x, y);
}
if (poly.getPointCount() < 3)
return parserError("Invalid coords for polygon area");
_currentMode->imageMap.addPolygonMapArea(poly, areaNode->values["target"]);
} else
return parserError("Area shape '%s' not known", shape);
return true;
}
} // end of namespace GUI
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