Added pushEvent to EventManager (from cpage88's branch) and changed VirtualKeyboard so that it uses this method to feed key presses its resulting key press events.

svn-id: r32977

9 files changed, 155 insertions, 60 deletions

diff --git a/backends/common/virtual-keyboard-parser.cpp b/backends/common/virtual-keyboard-parser.cpp
index f282ecd85d..26da9f465a 100644
--- a/backends/common/virtual-keyboard-parser.cpp
+++ b/backends/common/virtual-keyboard-parser.cpp
@@ -153,7 +153,7 @@ bool VirtualKeyboardParser::parserCallback_Mode() {
 	Common::String resolutions = modeNode->values["resolutions"];
 	Common::StringTokenizer tok (resolutions, " ,");
 
-	uint16 scrW = _keyboard->_screenWidth, scrH = _keyboard->_screenHeight;
+	uint16 scrW = g_system->getOverlayWidth(), scrH = g_system->getOverlayHeight();
 	uint32 diff = 0xFFFFFFFF;
 	Common::String newResolution;
 	for (Common::String res = tok.nextToken(); res.size() > 0; res = tok.nextToken()) {
diff --git a/backends/common/virtual-keyboard.cpp b/backends/common/virtual-keyboard.cpp
index 5ddf5c00d2..0259bed5b9 100644
--- a/backends/common/virtual-keyboard.cpp
+++ b/backends/common/virtual-keyboard.cpp
@@ -39,17 +39,18 @@ VirtualKeyboard::VirtualKeyboard() : _currentMode(0), _keyDown(0) {
 
 	_parser = new VirtualKeyboardParser(this);
 	_loaded = _displaying = _drag = false;
-	_screenWidth = _system->getOverlayWidth();
-	_screenHeight = _system->getOverlayHeight();
+	_lastScreenChanged = _system->getScreenChangeID();
 }
 
 VirtualKeyboard::~VirtualKeyboard() {
 	// TODO: clean up event data pointers
+	deleteEventData();
 	delete _parser;
 }
 
 void VirtualKeyboard::reset() {
 	// TODO: clean up event data pointers
+	deleteEventData();
 	_modes.clear();
 	_initialMode = _currentMode = 0;
 	_kbdBound.left = _kbdBound.top
@@ -60,8 +61,17 @@ void VirtualKeyboard::reset() {
 	_keyDown = 0;
 	_displaying = _drag = false;
 	_firstRun = true;
-	_screenWidth = _system->getOverlayWidth();
-	_screenHeight = _system->getOverlayHeight();
+	_lastScreenChanged = _system->getScreenChangeID();
+}
+
+void VirtualKeyboard::deleteEventData() {
+	ModeMap::iterator it_m;
+	EventMap::iterator it_e;
+	for (it_m = _modes.begin(); it_m != _modes.end(); it_m++) {
+		EventMap *evt = &(it_m->_value.events);
+		for (it_e = evt->begin(); it_e != evt->end(); it_e++)
+			delete it_e->_value.data;
+	}
 }
 
 bool VirtualKeyboard::loadKeyboardPack(Common::String packName) {
@@ -116,31 +126,32 @@ bool VirtualKeyboard::loadKeyboardPack(Common::String packName) {
 
 void VirtualKeyboard::setDefaultPosition()
 {
+	int16 scrW = _system->getOverlayWidth(), scrH = _system->getOverlayHeight(); 
 	int16 kbdW = _kbdBound.width(), kbdH = _kbdBound.height();
 	int16 posX = 0, posY = 0;
-	if (_screenWidth != kbdW) {
+	if (scrW != kbdW) {
 		switch (_hAlignment) {
 		case kAlignLeft:
 			posX = 0;
 			break;
 		case kAlignCentre:
-			posX = (_screenWidth - kbdW) / 2;
+			posX = (scrW - kbdW) / 2;
 			break;
 		case kAlignRight:
-			posX = _screenWidth - kbdW;
+			posX = scrW - kbdW;
 			break;
 		}
 	}
-	if (_screenHeight != kbdH) {
+	if (scrH != kbdH) {
 		switch (_vAlignment) {
 		case kAlignTop:
 			posY = 0;
 			break;
 		case kAlignMiddle:
-			posY = (_screenHeight - kbdH) / 2;
+			posY = (scrH - kbdH) / 2;
 			break;
 		case kAlignBottom:
-			posY = _screenHeight - kbdH;
+			posY = scrH - kbdH;
 			break;
 		}
 	}
@@ -185,7 +196,7 @@ void VirtualKeyboard::processClick(const Common::String& area) {
 	switch (evt.type) {
 	case kEventKey:
 		// add virtual keypress to queue
-		_keyQueue.push_back(*(Common::KeyState*)evt.data);
+		_keyQueue.push(*(Common::KeyState*)evt.data);
 		break;
 	case kEventSwitchMode:
 		// switch to new mode
@@ -218,28 +229,31 @@ void VirtualKeyboard::show() {
 		warning("Keyboard not loaded therefore can't be shown");
 		return;
 	}
-	if (_screenWidth != _system->getOverlayWidth() || _screenHeight != _system->getOverlayHeight()) {
-		_screenWidth = _system->getOverlayWidth();
-		_screenHeight = _system->getOverlayHeight();
-		if (!checkModeResolutions()) return;
-	}
+	if (_lastScreenChanged != _system->getScreenChangeID())
+		screenChanged();
 	switchMode(_initialMode);
 	_displaying = true;
 	if (_firstRun) {
 		_firstRun = false;
 		setDefaultPosition();
 	}
+	_system->showOverlay();
 	runLoop();
+	_system->hideOverlay();
 }
 
 void VirtualKeyboard::hide() {
 	_displaying = false;
 }
 
+void VirtualKeyboard::screenChanged() {
+	_lastScreenChanged = _system->getScreenChangeID();
+	if (!checkModeResolutions())
+		_displaying = false;
+}
+
 void VirtualKeyboard::runLoop() {
 	Common::EventManager *eventMan = _system->getEventManager();
-	
-	_system->showOverlay();
 
 	while (_displaying) {
 		if (_needRedraw) redraw();
@@ -274,10 +288,7 @@ void VirtualKeyboard::runLoop() {
 				}
 				break;
 			case Common::EVENT_SCREEN_CHANGED:
-				_screenWidth = _system->getOverlayWidth();
-				_screenHeight = _system->getOverlayHeight();
-				if (!checkModeResolutions())
-					_displaying = false;
+				screenChanged();
 				break;
 			case Common::EVENT_QUIT:
 				_system->quit();
@@ -286,11 +297,20 @@ void VirtualKeyboard::runLoop() {
 				break;
 			}
 			// TODO - remove this line ?
-			if (!_displaying) break;
+			//if (!_displaying) break;
 		}
 	}
-	// clear keyboard from overlay
-	_system->hideOverlay();
+
+	// push keydown & keyup events into the event manager
+	Common::Event evt;
+	evt.synthetic = false;
+	while (!_keyQueue.empty()) {
+		evt.kbd = _keyQueue.pop();
+		evt.type = Common::EVENT_KEYDOWN;
+		eventMan->pushEvent(evt);
+		evt.type = Common::EVENT_KEYUP;
+		eventMan->pushEvent(evt);
+	}
 }
 
 void VirtualKeyboard::redraw() {
@@ -300,8 +320,8 @@ void VirtualKeyboard::redraw() {
 
 	_system->clearOverlay();
 	_system->grabOverlay((OverlayColor*)surf.pixels, surf.w);
-
 	surf.blit(_currentMode->image, _kbdBound.left, _kbdBound.top, _system->RGBToColor(0xff, 0, 0xff));
+
 	_system->copyRectToOverlay((OverlayColor*)surf.pixels, surf.w, 0, 0, surf.w, surf.h);
 
 	surf.free();
@@ -309,22 +329,4 @@ void VirtualKeyboard::redraw() {
 	_needRedraw = false;
 }
 
-bool VirtualKeyboard::pollEvent(Common::Event &event) {
-	if (_displaying || (_keyQueue.empty() && !_keyDown))
-		return false;
-
-	event.synthetic = false; // ???
-	if (_keyDown) {
-		event.type = Common::EVENT_KEYUP;
-		event.kbd = *_keyDown;
-		_keyQueue.remove_at(0);
-		_keyDown = 0;
-	} else {
-		_keyDown = _keyQueue.begin();
-		event.type = Common::EVENT_KEYDOWN;
-		event.kbd = *_keyDown;
-	}
-	return true;
-}
-
 } // end of namespace GUI
diff --git a/backends/common/virtual-keyboard.h b/backends/common/virtual-keyboard.h
index b98511d464..fe5029558d 100644
--- a/backends/common/virtual-keyboard.h
+++ b/backends/common/virtual-keyboard.h
@@ -33,6 +33,7 @@ class OSystem;
 #include "common/hash-str.h"
 #include "common/image-map.h"
 #include "common/keyboard.h"
+#include "common/queue.h"
 #include "common/str.h"
 #include "graphics/surface.h"
 
@@ -97,13 +98,6 @@ public:
 		return _loaded;
 	}
 
-	/**
-	  * Get the next virtual key event in the event queue.
-	  * @param event	point to an Event struct, which will be filled with the event data.
-	  * @return true if an event was retrieved.
-	  */
-	bool pollEvent(Common::Event &event);
-
 protected:
 	OSystem	*_system;
 
@@ -114,6 +108,8 @@ protected:
 
 	// TODO : sort order of all this stuff
 	void reset();
+	void deleteEventData();
+	void screenChanged();
 	bool checkModeResolutions();
 	void setDefaultPosition();
 	void move(int16 x, int16 y);
@@ -133,7 +129,7 @@ protected:
 	Mode *_initialMode;
 	Mode *_currentMode;
 
-	int16 _screenWidth, _screenHeight;
+	int _lastScreenChanged;
 	Common::Rect _kbdBound;
 
 	HorizontalAlignment  _hAlignment;
@@ -143,7 +139,7 @@ protected:
 	Common::Point _dragPoint;
 	bool _drag;
 
-	Common::Array<Common::KeyState> _keyQueue;
+	Common::Queue<Common::KeyState> _keyQueue;
 	Common::KeyState *_keyDown;
 
 };
diff --git a/backends/events/default/default-events.cpp b/backends/events/default/default-events.cpp
index edb8f662e8..d06edaec1b 100644
--- a/backends/events/default/default-events.cpp
+++ b/backends/events/default/default-events.cpp
@@ -31,6 +31,7 @@
 
 #include "engines/engine.h"
 #include "gui/message.h"
+#include "gui/newgui.h"
 
 #define RECORD_SIGNATURE 0x54455354
 #define RECORD_VERSION 1
@@ -196,6 +197,7 @@ DefaultEventManager::DefaultEventManager(OSystem *boss) :
 }
 
 DefaultEventManager::~DefaultEventManager() {
+	delete _vk;
 	_boss->lockMutex(_timeMutex);
 	_boss->lockMutex(_recorderMutex);
 	_recordMode = kPassthrough;
@@ -351,10 +353,11 @@ bool DefaultEventManager::pollEvent(Common::Event &event) {
 	uint32 time = _boss->getMillis();
 	bool result;
 
-	// poll virtual keyboard
-	result = _vk->pollEvent(event);
-	// if no vk event, then poll backend
-	if (!result) result = _boss->pollEvent(event);
+	if (!_artificialEventQueue.empty()) {
+		event = _artificialEventQueue.pop();
+		result = true;
+	} else 	
+		result = _boss->pollEvent(event);
 
 	if (_recordMode != kPassthrough)  {
 
@@ -390,16 +393,17 @@ bool DefaultEventManager::pollEvent(Common::Event &event) {
 			_keyRepeatTime = time + kKeyRepeatInitialDelay;
 #endif
 
-			// quick hack to show/hide keyboard
+			// HACK to show/hide keyboard (keyboard is not shown if gui is active)
 			if (event.kbd.keycode == Common::KEYCODE_F6 && event.kbd.flags == 0) {
 				if (_vk->isDisplaying()) {
 					_vk->hide();
-				} else {
+				} else if (!g_gui.isActive()) {
 					if (!_vk->isLoaded()) _vk->loadKeyboardPack("test");
 					bool isPaused = (g_engine) ? g_engine->isPaused() : true;
 					if (!isPaused) g_engine->pauseEngine(true);
 					_vk->show();
 					if (!isPaused) g_engine->pauseEngine(false);
+					result = false;
 				}
 			}
 
@@ -466,4 +470,8 @@ bool DefaultEventManager::pollEvent(Common::Event &event) {
 	return result;
 }
 
+void DefaultEventManager::pushEvent(Common::Event event) {
+	_artificialEventQueue.push(event);
+}
+
 #endif // !defined(DISABLE_DEFAULT_EVENTMANAGER)
diff --git a/backends/events/default/default-events.h b/backends/events/default/default-events.h
index 4472b1115f..e836160188 100644
--- a/backends/events/default/default-events.h
+++ b/backends/events/default/default-events.h
@@ -27,6 +27,7 @@
 #define BACKEND_EVENTS_DEFAULT_H
 
 #include "common/events.h"
+#include "common/queue.h"
 #include "common/savefile.h"
 #include "backends/common/virtual-keyboard.h"
 
@@ -47,6 +48,8 @@ class DefaultEventManager : public Common::EventManager {
 
 	Common::VirtualKeyboard *_vk;
 
+	Common::Queue<Common::Event> _artificialEventQueue;
+
 	Common::Point _mousePos;
 	int _buttonState;
 	int _modifierState;
@@ -110,6 +113,7 @@ public:
 	~DefaultEventManager();
 
 	virtual bool pollEvent(Common::Event &event);
+	virtual void pushEvent(Common::Event event);
 	virtual void registerRandomSource(Common::RandomSource &rnd, const char *name);
 	virtual void processMillis(uint32 &millis);
 
diff --git a/common/events.h b/common/events.h
index d0cb740692..3e77824110 100644
--- a/common/events.h
+++ b/common/events.h
@@ -142,6 +142,11 @@ public:
 	 */
 	virtual bool pollEvent(Common::Event &event) = 0;
 
+	/**
+	 * Pushes a "fake" event into the event queue
+	 */
+	virtual void pushEvent(Common::Event event) = 0;
+
 	/** Register random source so it can be serialized in game test purposes **/
 	virtual void registerRandomSource(Common::RandomSource &rnd, const char *name) = 0;
 
diff --git a/common/list.h b/common/list.h
index c4e7b47644..0372d217b7 100644
--- a/common/list.h
+++ b/common/list.h
@@ -209,6 +209,11 @@ public:
 				++i;
 	}
 
+	void pop_front() {
+		iterator i = begin();
+		i = erase(i);
+	}
+
 
 	List<t_T> &operator=(const List<t_T> &list) {
 		if (this != &list) {
diff --git a/common/queue.h b/common/queue.h
new file mode 100644
index 0000000000..cb29c59058
--- /dev/null
+++ b/common/queue.h
@@ -0,0 +1,71 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef COMMON_QUEUE_H
+#define COMMON_QUEUE_H
+
+#include "common/scummsys.h"
+#include "common/list.h"
+
+namespace Common {
+
+/**
+ * Variable size Queue class, implemented using our Array class.
+ */
+template<class T>
+class Queue {
+protected:
+	List<T>		_queue;
+public:
+	Queue<T>() {}
+	Queue<T>(const List<T> &queueContent) : _queue(queueContent) {}
+
+	bool empty() const {
+		return _queue.empty();
+	}
+	void clear() {
+		_queue.clear();
+	}
+	void push(const T &x) {
+		_queue.push_back(x);
+	}
+	T back() const {
+		return _queue.reverse_begin().operator*();
+	}
+	T front() const {
+		return _queue.begin().operator*();
+	}
+	T pop() {
+		T tmp = front();
+		_queue.pop_front();
+		return tmp;
+	}
+	int size() const {
+		return _queue.size();
+	}
+};
+
+} // End of namespace Common
+
+#endif
diff --git a/dists/msvc8/scummvm.vcproj b/dists/msvc8/scummvm.vcproj
index 8f7f42f9e4..638946334c 100644
--- a/dists/msvc8/scummvm.vcproj
+++ b/dists/msvc8/scummvm.vcproj
@@ -399,6 +399,10 @@
 				>
 			</File>
 			<File
+				RelativePath="..\..\common\queue.h"
+				>
+			</File>
+			<File
 				RelativePath="..\..\common\rect.h"
 				>
 			</File>