- Added alignment and initial mode options to keyboard pack file

- More functionality to VirtualKeyboard class, including handling mouse clicks

svn-id: r32907

6 files changed, 198 insertions, 30 deletions

diff --git a/common/imageMap.cpp b/common/imageMap.cpp
index 7c8498ea06..4646123754 100644
--- a/common/imageMap.cpp
+++ b/common/imageMap.cpp
@@ -35,7 +35,7 @@ void ImageMap::addPolygonMapArea(const Polygon& poly, const String& target) {
 	areas.push_back(MapArea(poly, target));
 }
 
-MapArea *ImageMap::findMapArea(int x, int y) {
+MapArea *ImageMap::findMapArea(int16 x, int16 y) {
 	Array<MapArea>::iterator it;
 	for (it = areas.begin(); it != areas.end(); it++) {
 		if (it->contains(x, y))
diff --git a/common/imageMap.h b/common/imageMap.h
index 4edf511825..b6a1ad36f4 100644
--- a/common/imageMap.h
+++ b/common/imageMap.h
@@ -49,7 +49,7 @@ public:
 		return _shape->contains(x, y);
 	}
 
-	const String& getTarget() { return _target; }
+	String getTarget() { return _target; }
 
 protected:
 	/* shape defining the MapArea's boundary */
@@ -66,7 +66,7 @@ public:
 	void addRectMapArea(const Rect& rect, const String& target);
 	void addPolygonMapArea(const Polygon& poly, const String& target);
 
-	MapArea *findMapArea(int x, int y);
+	MapArea *findMapArea(int16 x, int16 y);
 
 protected:
 	Array<MapArea> areas;
diff --git a/gui/virtualKeyboard.cpp b/gui/virtualKeyboard.cpp
index a47f890ce5..02c28bf4a2 100644
--- a/gui/virtualKeyboard.cpp
+++ b/gui/virtualKeyboard.cpp
@@ -31,19 +31,34 @@
 
 namespace GUI {
 
-VirtualKeyboard::VirtualKeyboard() {
+VirtualKeyboard::VirtualKeyboard() : _currentMode(0) {
 	assert(g_system);
 	_system = g_system;
 
 	_parser = new VirtualKeyboardParser(this);
-
 }
 
 VirtualKeyboard::~VirtualKeyboard() {
+	// TODO: clean up event data pointers
+	delete _parser;
+}
+
+void VirtualKeyboard::reset() {
+	// TODO: clean up event data pointers
+	_modes.clear();
+	_initialMode = _currentMode = 0;
+	_pos.x = _pos.y = 0;
+	_hAlignment = kAlignCentre;
+	_vAlignment = kAlignBottom;
+	_keyQueue.clear();
+	_displaying = false;
 
 }
 
 bool VirtualKeyboard::loadKeyboardPack(Common::String packName) {
+	// reset to default settings
+	reset();
+
 	if (ConfMan.hasKey("extrapath"))
 		Common::File::addDefaultDirectoryRecursive(ConfMan.get("extrapath"));
 
@@ -84,19 +99,105 @@ bool VirtualKeyboard::loadKeyboardPack(Common::String packName) {
 		return false;
 	}
 
-	return _parser->parse();
+	if (!_parser->parse())
+		return false;
+
+	if (!_initialMode)
+		warning("Initial mode of keyboard pack not defined");
+
+	ModeMap::iterator it;
+	for (it = _modes.begin(); it != _modes.end(); it++) {
+		// if no image then it means layout tag for the 
+		// required resolution was missing from the mode tag.
+		if (!it->_value.image) {
+			warning("'%s' layout missing from '%s' mode", it->_value.resolution, it->_value.name);
+			return false;
+		}
+	}
+
+	reposition();
+
+	return true;
 }
 
-void VirtualKeyboard::show() {
+void VirtualKeyboard::reposition()
+{
+	// calculate keyboard co-ordinates
+	int16 scrW = _system->getOverlayWidth(), scrH = _system->getOverlayHeight();
+	int16 keyW = _currentMode->image->w, keyH = _currentMode->image->h;
+	if (scrW != keyW) {
+		switch (_hAlignment) {
+		case kAlignCentre:
+			_pos.x = (scrW - keyW) / 2;
+			break;
+		case kAlignRight:
+			_pos.x = scrW - keyW;
+			break;
+		}
+	}
+	if (scrH != keyH) {
+		switch (_vAlignment) {
+		case kAlignMiddle:
+			_pos.y = (scrH - keyH) / 2;
+			break;
+		case kAlignBottom:
+			_pos.y = scrH - keyH;
+			break;
+		}
+	}
+}
+
+void VirtualKeyboard::processClick(int16 x, int16 y)
+{
+	x -= _pos.x;
+	y -= _pos.y;
+	if (x < 0 || x > _currentMode->image->w) return;
+	if (y < 0 || y > _currentMode->image->h) return;
+
+	Common::MapArea *area = _currentMode->imageMap.findMapArea(x, y);
+	if (!area) return;
+	if (!_currentMode->events.contains(area->getTarget())) return;
+	Event evt = _currentMode->events[area->getTarget()];
+	
+	switch (evt.type) {
+	case kEventKey:
+		// add virtual keypress to queue
+		_keyQueue.push_back(*(Common::KeyState*)evt.data);
+		break;
+	case kEventSwitchMode:
+		// switch to new mode
+		switchMode(*(Common::String *)evt.data);
+		break;
+	case kEventClose:
+		// close virtual keyboard
+		_displaying = false;
+		break;
+	}
+}
 
+void VirtualKeyboard::switchMode(const Common::String& newMode) {
+	if (!_modes.contains(newMode)) return;
+	_currentMode = &_modes[newMode];
+	reposition();
+	draw();
+}
+
+void VirtualKeyboard::show() {
+	_displaying = true;
+	runLoop();
 }
 
 void VirtualKeyboard::runLoop() {
 
+	while (_displaying) {
+
+	}
 }
 
 void VirtualKeyboard::draw() {
-
+	_system->copyRectToOverlay((OverlayColor*)_currentMode->image->pixels, 
+		_currentMode->image->pitch, _pos.x, _pos.y, 
+		_currentMode->image->w, _currentMode->image->h);
 }
 
 } // end of namespace GUI
diff --git a/gui/virtualKeyboard.h b/gui/virtualKeyboard.h
index 7885f2cc17..914949aad3 100644
--- a/gui/virtualKeyboard.h
+++ b/gui/virtualKeyboard.h
@@ -31,6 +31,7 @@ class OSystem;
 #include "common/hashmap.h"
 #include "common/hash-str.h"
 #include "common/imagemap.h"
+#include "common/keyboard.h"
 #include "common/str.h"
 #include "graphics/surface.h"
 
@@ -46,6 +47,7 @@ private:
 	enum EventType {
 		kEventKey,
 		kEventSwitchMode,
+		kEventClose,
 
 		kEventMax
 	};
@@ -65,6 +67,21 @@ private:
 		Graphics::Surface *image;
 		Common::ImageMap   imageMap;
 		EventMap           events;
+		Mode() : image(0) {}
+	};
+	
+	typedef Common::HashMap<Common::String, Mode, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> ModeMap;
+
+	enum HorizontalAlignment {
+		kAlignLeft,
+		kAlignCentre,
+		kAlignRight
+	};
+
+	enum VerticalAlignment {
+		kAlignTop,
+		kAlignMiddle,
+		kAlignBottom
 	};
 
 public:
@@ -80,10 +97,26 @@ private:
 	friend class VirtualKeyboardParser;
 	VirtualKeyboardParser *_parser;
 
+	// TODO : sort order of all this stuff
+	void reset();
+	void reposition();
+	void switchMode(const Common::String& newMode);
+	void processClick(int16 x, int16 y);
 	void runLoop();
 	void draw();
 
-	Common::HashMap<Common::String, Mode, Common::IgnoreCase_Hash, Common::IgnoreCase_EqualTo> _modes;
+	bool _displaying;
+
+	ModeMap _modes;
+	Mode *_initialMode;
+	Mode *_currentMode;
+
+	Common::Point _pos;
+	HorizontalAlignment  _hAlignment;
+	VerticalAlignment    _vAlignment;
+
+	Common::Array<Common::KeyState> _keyQueue;
+
 };
 
 
diff --git a/gui/virtualKeyboardParser.cpp b/gui/virtualKeyboardParser.cpp
index ca4a9c521a..93b670e7c9 100644
--- a/gui/virtualKeyboardParser.cpp
+++ b/gui/virtualKeyboardParser.cpp
@@ -59,9 +59,33 @@ bool VirtualKeyboardParser::parserCallback_Keyboard() {
 
 	if (_kbdParsed)
 		return parserError("Only a single keyboard element is allowed");
-
 	_kbdParsed = true;
 
+	if (!kbdNode->values.contains("initial_mode"))
+		return parserError("Keyboard element must contain initial_mode attribute");
+
+	_initialModeName = kbdNode->values["initial_mode"];
+
+	if (kbdNode->values.contains("h_align")) {
+		Common::String h = kbdNode->values["h_align"];
+		if (h == "left")
+			_keyboard->_hAlignment = VirtualKeyboard::kAlignLeft;
+		else if (h == "centre" || h == "center")
+			_keyboard->_hAlignment = VirtualKeyboard::kAlignCentre;
+		else if (h == "right")
+			_keyboard->_hAlignment = VirtualKeyboard::kAlignRight;
+	}
+
+	if (kbdNode->values.contains("v_align")) {
+		Common::String v = kbdNode->values["h_align"];
+		if (v == "top")
+			_keyboard->_vAlignment = VirtualKeyboard::kAlignTop;
+		else if (v == "middle" || v == "center")
+			_keyboard->_vAlignment = VirtualKeyboard::kAlignMiddle;
+		else if (v == "bottom")
+			_keyboard->_vAlignment = VirtualKeyboard::kAlignBottom;
+	}
+
 	return true;
 }
 
@@ -81,10 +105,16 @@ bool VirtualKeyboardParser::parserCallback_Mode() {
 	if (_keyboard->_modes.contains(name))
 		return parserError("Mode '%s' has already been defined", name);
 
+	// create new mode
 	VirtualKeyboard::Mode mode;
 	mode.name = name;
 	_keyboard->_modes[name] = mode;
-	_currentMode = &(_keyboard->_modes[name]);
+	_mode = &(_keyboard->_modes[name]);
+	
+	// if this is the keyboard's initial mode
+	// then set it to be the current mode
+	if (name == _initialModeName)
+		_keyboard->_initialMode = _mode;
 
 	Common::String resolutions = modeNode->values["resolutions"];
 	Common::StringTokenizer tok(resolutions, " ,");
@@ -98,19 +128,19 @@ bool VirtualKeyboardParser::parserCallback_Mode() {
 			parserError("Invalid resolution specification");
 		} else {
 			if (resX == scrX && resY == scrY) {
-				_currentMode->resolution = res;
+				_mode->resolution = res;
 				break;
 			} else if (resX < scrX && resY < scrY) {
 				uint16 newDiff = (scrX - resX) + (scrY - resY);
 				if (newDiff < diff) {
 					diff = newDiff;
-					_currentMode->resolution = res;
+					_mode->resolution = res;
 				}
 			}
 		}
 	}
 
-	if (_currentMode->resolution.empty())
+	if (_mode->resolution.empty())
 		return parserError("No acceptable resolution was found");
 
 	return true;
@@ -127,10 +157,10 @@ bool VirtualKeyboardParser::parserCallback_Event() {
 	if (!evtNode->values.contains("name") || !evtNode->values.contains("type"))
 		return parserError("Event element must contain name and type attributes");
 
-	assert(_currentMode);
+	assert(_mode);
 
 	Common::String name = evtNode->values["name"];
-	if (_currentMode->events.contains(name))
+	if (_mode->events.contains(name))
 		return parserError("Event '%s' has already been defined", name);
 
 	VirtualKeyboard::Event evt;
@@ -170,7 +200,7 @@ bool VirtualKeyboardParser::parserCallback_Event() {
 	} else
 		return parserError("Event type '%s' not known", type);
 
-	_currentMode->events[name] = evt;
+	_mode->events[name] = evt;
 
 	return true;
 }
@@ -186,24 +216,24 @@ bool VirtualKeyboardParser::parserCallback_Layout() {
 	if (!layoutNode->values.contains("resolution") || !layoutNode->values.contains("bitmap"))
 		return parserError("Layout element must contain resolution and bitmap attributes");
 
-	assert(!_currentMode->resolution.empty());
+	assert(!_mode->resolution.empty());
 
 	Common::String res = layoutNode->values["resolution"];
 
-	if (res != _currentMode->resolution) {
+	if (res != _mode->resolution) {
 		layoutNode->ignore = true;
 		return true;
 	}
 
-	_currentMode->bitmapName = layoutNode->values["bitmap"];
+	_mode->bitmapName = layoutNode->values["bitmap"];
 
 	
-	if (!ImageMan.registerSurface(_currentMode->bitmapName, 0))
-		return parserError("Error loading bitmap '%s'", _currentMode->bitmapName.c_str());
+	if (!ImageMan.registerSurface(_mode->bitmapName, 0))
+		return parserError("Error loading bitmap '%s'", _mode->bitmapName.c_str());
 
-	_currentMode->image = ImageMan.getSurface(_currentMode->bitmapName);
-	if (!_currentMode->image)
-		return parserError("Error loading bitmap '%s'", _currentMode->bitmapName.c_str());
+	_mode->image = ImageMan.getSurface(_mode->bitmapName);
+	if (!_mode->image)
+		return parserError("Error loading bitmap '%s'", _mode->bitmapName.c_str());
 
 	return true;
 }
@@ -237,7 +267,7 @@ bool VirtualKeyboardParser::parserCallback_Area() {
 			return parserError("Invalid coords for rect area");
 
 		Common::Rect rect(x1, y1, x2, y2);
-		_currentMode->imageMap.addRectMapArea(rect, areaNode->values["target"]);
+		_mode->imageMap.addRectMapArea(rect, areaNode->values["target"]);
 	} else if (shape == "poly") {
 		Common::StringTokenizer tok (areaNode->values["coords"], ", ");
 		Common::Polygon poly;
@@ -252,7 +282,7 @@ bool VirtualKeyboardParser::parserCallback_Area() {
 		}
 		if (poly.getPointCount() < 3)
 			return parserError("Invalid coords for polygon area");
-		_currentMode->imageMap.addPolygonMapArea(poly, areaNode->values["target"]);
+		_mode->imageMap.addPolygonMapArea(poly, areaNode->values["target"]);
 	} else
 		return parserError("Area shape '%s' not known", shape);
 
diff --git a/gui/virtualKeyboardParser.h b/gui/virtualKeyboardParser.h
index b5ed59877f..6ac8e57612 100644
--- a/gui/virtualKeyboardParser.h
+++ b/gui/virtualKeyboardParser.h
@@ -41,14 +41,18 @@ public:
 
 protected:
 	VirtualKeyboard *_keyboard;
-	VirtualKeyboard::Mode *_currentMode;
 
+	/** internal state variables of parser */
+	VirtualKeyboard::Mode *_mode; // pointer to mode currently being parsed
+	bool _modeParsed;
+	Common::String _initialModeName;  // name of initial keyboard mode
 	bool _kbdParsed;
 
 	bool keyCallback(Common::String keyName);
 	void cleanup() {
-		_currentMode = 0;
-		_kbdParsed = false;
+		_mode = 0;
+		_kbdParsed = _modeParsed = false;
+		_initialModeName.clear();
 	}
 
 	bool parserCallback_Keyboard();