VirtualKeyboardParser mostly completed - needs to be tested

svn-id: r32900

5 files changed, 378 insertions, 56 deletions

diff --git a/gui/Copy of virtualKeyboard.cpp b/gui/Copy of virtualKeyboard.cpp
new file mode 100644
index 0000000000..b90f87edb9
--- /dev/null
+++ b/gui/Copy of virtualKeyboard.cpp
@@ -0,0 +1,102 @@
+/* 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/virtualKeyboard.h"
+#include "gui/virtualKeyboardParser.h"
+#include "common/config-manager.h"
+#include "graphics/imageman.h"
+#include "common/unzip.h"
+
+namespace GUI {
+
+VirtualKeyboard::VirtualKeyboard() {
+	assert(g_system);
+	_system = g_system;
+
+	_parser = new VirtualKeyboardParser(this);
+
+}
+
+VirtualKeyboard::~VirtualKeyboard() {
+
+}
+
+bool VirtualKeyboard::loadKeyboardPack(Common::String packName) {
+	if (ConfMan.hasKey("extrapath"))
+		Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
+
+	if (Common::File::exists(packName + ".xml")) {
+		// uncompressed keyboard pack
+		if (!_parser->loadFile(packName + ".xml"))
+			return false;
+		
+	} else if (Common::File::exists(packName + ".zip")) {
+		// compressed keyboard pack
+#ifdef USE_ZLIB
+		unzFile zipFile = unzOpen((packName + ".zip").c_str());
+		if (zipFile && unzLocateFile(zipFile, (packName + ".xml").c_str(), 2) == UNZ_OK) {
+			unz_file_info fileInfo;
+			unzOpenCurrentFile(zipFile);
+			unzGetCurrentFileInfo(zipFile, &fileInfo, NULL, 0, NULL, 0, NULL, 0);
+			byte *buffer = new byte[fileInfo.uncompressed_size+1];
+			assert(buffer);
+			memset(buffer, 0, (fileInfo.uncompressed_size+1)*sizeof(uint8));
+			unzReadCurrentFile(zipFile, buffer, fileInfo.uncompressed_size);
+			unzCloseCurrentFile(zipFile);
+			if (!_parser->loadBuffer(buffer, true)) {
+				unzClose(zipFile);
+				return false;
+			}
+		} else {
+			unzClose(zipFile);
+			return false;
+		}
+		unzClose(zipFile);
+
+		ImageMan.addArchive(packName + ".zip");
+#else
+		return false;
+#endif
+	} else {
+		warning("Keyboard pack not found");
+		return false;
+	}
+
+	return _parser->parse();
+}
+
+void VirtualKeyboard::show() {
+
+}
+
+void VirtualKeyboard::runLoop() {
+
+}
+
+void VirtualKeyboard::draw() {
+
+}
+
+} // end of namespace GUI
diff --git a/gui/virtualKeyboard.h b/gui/Copy of virtualKeyboard.h
index a26f01222b..ad426d4efd 100644
--- a/gui/virtualKeyboard.h
+++ b/gui/Copy of virtualKeyboard.h
@@ -28,6 +28,8 @@
 
 class OSystem;
 
+#include "common/hashmap.h"
+#include "common/hash-str.h"
 #include "common/imagemap.h"
 #include "common/singleton.h"
 #include "common/str.h"
@@ -35,25 +37,54 @@ class OSystem;
 
 namespace GUI {
 
+class VirtualKeyboardParser;
+
+
+
 class VirtualKeyboard : public Common::Singleton<VirtualKeyboard> {
+private:
+	/** Type of key event */
+	enum EventType {
+		kEventKey,
+		kEventSwitchMode,
+
+		kEventMax
+	};
+
+	struct Event {
+		Common::String name;
+		EventType type;
+		void *data;
+	};
+	
+	typedef Common::HashMap<Common::String, Event, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> EventMap; 
+
+	struct Mode {
+		Common::String     name;
+		Common::String     resolution;
+		Common::String     bitmapName;
+		Graphics::Surface *image;
+		Common::ImageMap   imageMap;
+		EventMap           events;
+	};
 
 public:
-
 	VirtualKeyboard();
 	virtual ~VirtualKeyboard();
 
+	bool loadKeyboardPack(Common::String packName);
 	void show();
 
 private:
 	OSystem	*_system;
+	
+	friend class VirtualKeyboardParser;
+	VirtualKeyboardParser *_parser;
 
 	void runLoop();
 	void draw();
 
-	Common::String *_stateNames;
-	const Graphics::Surface **_images;
-	Common::ImageMap *_imageMaps;
-
+	Common::HashMap<Common::String, Mode, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _modes;
 };
 
 
diff --git a/gui/virtualKeyboard.cpp b/gui/virtualKeyboard.cpp
deleted file mode 100644
index b3f61dbf43..0000000000
--- a/gui/virtualKeyboard.cpp
+++ /dev/null
@@ -1,50 +0,0 @@
-/* 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/virtualKeyboard.h"
-
-namespace GUI {
-
-VirtualKeyboard::VirtualKeyboard() {
-
-}
-
-VirtualKeyboard::~VirtualKeyboard() {
-
-}
-
-void VirtualKeyboard::show() {
-
-}
-
-void VirtualKeyboard::runLoop() {
-
-}
-
-void VirtualKeyboard::draw() {
-
-}
-
-} // end of namespace GUI
diff --git a/gui/virtualKeyboardParser.cpp b/gui/virtualKeyboardParser.cpp
index 40a681bee7..a3aa61c866 100644
--- a/gui/virtualKeyboardParser.cpp
+++ b/gui/virtualKeyboardParser.cpp
@@ -25,14 +25,238 @@
 
 #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) {
-	return false;
+	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();
+	uint16 diff = 0xFFFF;
+
+	for (Common::String res = tok.nextToken(); res.size() > 0; res = tok.nextToken()) {
+		uint16 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") {
+		int16 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()) {
+			int16 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
diff --git a/gui/virtualKeyboardParser.h b/gui/virtualKeyboardParser.h
index 54bc398bd0..b5ed59877f 100644
--- a/gui/virtualKeyboardParser.h
+++ b/gui/virtualKeyboardParser.h
@@ -41,7 +41,22 @@ public:
 
 protected:
 	VirtualKeyboard *_keyboard;
+	VirtualKeyboard::Mode *_currentMode;
+
+	bool _kbdParsed;
+
 	bool keyCallback(Common::String keyName);
+	void cleanup() {
+		_currentMode = 0;
+		_kbdParsed = false;
+	}
+
+	bool parserCallback_Keyboard();
+	bool parserCallback_Mode();
+	bool parserCallback_Event();
+	bool parserCallback_Layout();
+	bool parserCallback_Map();
+	bool parserCallback_Area();
 
 	Common::HashMap<Common::String, ParserCallback, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _callbacks;
 };