Implement first version of basic input event support

1 files changed, 234 insertions, 12 deletions

diff --git a/src/gui/frame.cpp b/src/gui/frame.cpp
index cb79643..96ea26c 100644
--- a/src/gui/frame.cpp
+++ b/src/gui/frame.cpp
@@ -18,11 +18,14 @@
 # -----------------------------------------------------------------------------
 */
 
+#include <src/input/inputEvent.h>
 #include "frame.h"
 #include <src/gui/mainWindow.h>
 #include <iostream>
 #include <QPixmap>
 
+#define MOUSE_MOTION_SEND_INTERVAL 100 /* msecs */
+
 Frame::Frame(const QString & text, QWidget * parent) :
         QLabel(parent), _clientVNCThread(0)
 {
@@ -51,10 +54,25 @@ Frame::Frame(const QString & text, QWidget * parent) :
 	button_lock      = createToolButton(tr("Lock this client"), QIcon(":/lock"),SLOT(setLock()));
 	//button_unlock    = createToolButton(tr("Unlock this client"), QIcon(":/lock"),SLOT(setLock()));
 	button_dozent    = createToolButton(tr("Set as Superclient"), QIcon(":/dozent2"),SLOT(setDozent()));
+	button_control   = createToolButton(tr("Enable Remote Control"), QIcon(":/remotecontrol"), SLOT(remoteControlClicked()));
+	button_control->setCheckable(true);
+	button_control_all = createToolButton(tr("Remote Control All Clients"), QIcon(":/remotecontrolall"), SLOT(remoteControlAllClicked()));
+	button_control_all->setCheckable(true);
 
 	connect(this, SIGNAL(clicked()), this, SLOT(slotClicked()));
 	ip = "";
 	setToolButtonListVisible(false);
+
+	_remoteControlEnabled = false;
+	_remoteControlToAll = false;
+
+	_mouseMotionEventTimer = new QTimer(this);
+	_mouseMotionEventTimer->setInterval(MOUSE_MOTION_SEND_INTERVAL);
+	_mouseMotionEventTimer->setSingleShot(false);
+	connect(_mouseMotionEventTimer, SIGNAL(timeout()), this, SLOT(sendMouseMotionEvent()));
+
+	_mousePositionChanged = true;
+
 }
 
 Frame::~Frame()
@@ -216,23 +234,45 @@ void Frame::slotClicked()
 
 void Frame::mousePressEvent(QMouseEvent* event)
 {
-	emit clicked();
-	if (event->button() == Qt::RightButton)
-		{
-			/*if (!_dummy)
-				DelDummy->setDisabled(true);
-			menu->exec(QCursor::pos());*/
-		}
-		else
-		{
+	if(!_remoteControlEnabled)
+	{
+		emit clicked();
+		if (event->button() == Qt::RightButton)
+			{
+				/*if (!_dummy)
+					DelDummy->setDisabled(true);
+				menu->exec(QCursor::pos());*/
+			}
+			else
+			{
 
-		}
-	QLabel::mousePressEvent(event);
+			}
+		QLabel::mousePressEvent(event);
+	}
+	else
+	{
+		event->accept();
+		ConsoleLog writeLine("Captured remote control mousePressEvent");
+
+		updateMousePosition(event);
+		sendInputEvent(InputEvent::mousePressRelease(event));
+	}
 }
 
 void Frame::mouseReleaseEvent ( QMouseEvent * event )
 {
-	QLabel::mouseReleaseEvent(event);
+	if(!_remoteControlEnabled)
+	{
+		QLabel::mouseReleaseEvent(event);
+	}
+	else
+	{
+		event->accept();
+		ConsoleLog writeLine("Captured remote control mouseReleaseEvent");
+
+		updateMousePosition(event);
+		sendInputEvent(InputEvent::mousePressRelease(event));
+	}
 }
 
 QToolButton* Frame::createToolButton(const QString &toolTip, const QIcon &icon, const char *member)
@@ -330,3 +370,185 @@ void Frame::setDozent()
 		getConFrame()->setDozent(true);
 	}
 }
+
+void Frame::remoteControlClicked()
+{
+	if(_remoteControlEnabled)
+	{
+		setMouseTracking(false);
+		_mouseMotionEventTimer->stop();
+		button_control->setToolTip(tr("Enable Remote Control"));
+		_remoteControlEnabled = false;
+		button_control->setChecked(false);
+		releaseKeyboard();
+	}
+	else
+	{
+		button_control->setToolTip(tr("Disable Remote Control"));
+		_remoteControlEnabled = true;
+		button_control->setChecked(true);
+		_mouseMotionEventTimer->start();
+		setMouseTracking(true);
+		if(_mouseOver)
+			grabKeyboard();
+	}
+}
+
+void Frame::remoteControlAllClicked()
+{
+	if(_remoteControlToAll)
+	{
+		button_control_all->setToolTip(tr("Remote Control only this Client"));
+		button_control_all->setChecked(false);
+		_remoteControlToAll = false;
+	}
+	else
+	{
+		button_control_all->setToolTip(tr("Remote Control All Clients"));
+		button_control_all->setChecked(true);
+		_remoteControlToAll = true;
+	}
+}
+
+
+
+void Frame::sendMouseMotionEvent()
+{
+	InputEvent evt = InputEvent::mouseMotion(_lastRecordedMousePosition.x(), _lastRecordedMousePosition.y());
+
+	if(!_mousePositionChanged)
+		return;
+
+	_mousePositionChanged = false;
+	sendInputEvent(evt);
+}
+
+void Frame::sendInputEvent(InputEvent const& evt)
+{
+	QString str;
+	eventToString(evt, str);
+	std::string evtStr = evt.toString();
+	PVSMsg msg(PVSCOMMAND, "INPUTEVENT", str);
+
+	if(_remoteControlEnabled)
+	{
+		if(_remoteControlToAll)
+		{
+			ConsoleLog writeLine(QString("sendInputEvent(%1) to one").arg(evtStr.c_str()));
+			PVSConnectionManager::getManager()->getServer()->sendToAll(msg);
+		}
+		else
+		{
+			ConsoleLog writeLine(QString("sendInputEvent(%1) to all").arg(evtStr.c_str()));
+			_cFrame->getConnection()->sendMessage(msg);
+		}
+	}
+	else
+	{
+		ConsoleLog writeLine("sendMouseMotionEvent() disabled");
+	}
+}
+
+void Frame::mouseMoveEvent(QMouseEvent* event)
+{
+	QPoint newPosition = rescalePosition(event->posF());
+	if(newPosition != _lastRecordedMousePosition) {
+		_lastRecordedMousePosition = newPosition;
+		_mousePositionChanged = true;
+		ConsoleLog writeLine(QString("Mouse moved to (%1,%2)").arg(_lastRecordedMousePosition.x()).arg(_lastRecordedMousePosition.y()));
+	}
+}
+
+QPoint Frame::rescalePosition(QPointF guipos)
+{
+	QSize s = size();
+	QSize t = _clientVNCThread->getSize();
+	qreal px, py;
+	px = guipos.x() * t.width() / (qreal)s.width();
+	py = guipos.y() * t.height() / (qreal)s.height();
+	return QPoint((int)px, (int)py);
+}
+
+void Frame::updateMousePosition(QMouseEvent* event)
+{
+	QPoint oldPosition = _lastRecordedMousePosition;
+	_lastRecordedMousePosition = rescalePosition(event->posF());
+	_mousePositionChanged = oldPosition != _lastRecordedMousePosition;
+	sendMouseMotionEvent();
+}
+
+void Frame::enterEvent(QEvent* event)
+{
+	_mouseOver = true;
+	if(_remoteControlEnabled)
+	{
+		grabKeyboard();
+	}
+}
+
+void Frame::leaveEvent(QEvent* event)
+{
+	_mouseOver = false;
+	if(_remoteControlEnabled)
+	{
+		releaseKeyboard();
+	}
+}
+
+void Frame::keyPressEvent(QKeyEvent* event)
+{
+	if(_remoteControlEnabled)
+	{
+		// The action of the keyboard may depend on the position of the pointer
+		sendMouseMotionEvent();
+		InputEvent evt = InputEvent::keyboardPress(event);
+		sendInputEvent(evt);
+	}
+	else
+	{
+		QLabel::keyPressEvent(event);
+	}
+}
+
+void Frame::keyReleaseEvent(QKeyEvent* event)
+{
+	if(_remoteControlEnabled)
+	{
+		// The action of the keyboard may depend on the position of the pointer
+		sendMouseMotionEvent();
+		InputEvent evt = InputEvent::keyboardRelease(event);
+		sendInputEvent(evt);
+	}
+	else
+	{
+		QLabel::keyReleaseEvent(event);
+	}
+}
+
+bool Frame::event(QEvent* event)
+{
+	if(_remoteControlEnabled)
+	{
+		bool recognized;
+		switch(event->type())
+		{
+		case QEvent::ShortcutOverride:
+			recognized = true;
+			event->accept();
+			break;
+		case QEvent::KeyPress:
+			recognized = true;
+			keyPressEvent(static_cast<QKeyEvent*>(event));
+			break;
+		case QEvent::KeyRelease:
+			recognized = true;
+			keyReleaseEvent(static_cast<QKeyEvent*>(event));
+			break;
+		default:
+			recognized = false;
+		}
+		if(recognized && event->isAccepted())
+			return true;
+	}
+	return QLabel::event(event);
+}