****************************************************************************/
#include "vncview.h"
+#include "vncclientthread.h"
//for mouse button masks
#include "rfb/rfbproto.h"
VncView::VncView(QWidget *parent, const KUrl &url, RemoteView::Quality quality, int listen_port)
: RemoteView(parent),
+ m_vncThread(new VncClientThread()),
m_initDone(false),
m_buttonMask(0),
- cursor_x(0),
- cursor_y(0),
+ m_cursor_x(0),
+ m_cursor_y(0),
m_quitFlag(false),
m_firstPasswordTry(true),
m_dontSendClipboard(false),
m_horizontalFactor(1.0),
m_verticalFactor(1.0),
m_forceLocalCursor(false),
- quality(quality),
- listen_port(listen_port),
- transformation_mode(Qt::FastTransformation),
- display_off(false)
+ m_quality(quality),
+ m_listen_port(listen_port),
+ m_transformation_mode(Qt::FastTransformation),
+ m_display_off(false)
{
m_url = url;
m_host = url.host();
m_port = url.port();
//BlockingQueuedConnection can cause deadlocks when exiting, handled in startQuitting()
- connect(&vncThread, SIGNAL(imageUpdated(int, int, int, int)), this, SLOT(updateImage(int, int, int, int)), Qt::BlockingQueuedConnection);
- connect(&vncThread, SIGNAL(gotCut(const QString&)), this, SLOT(setCut(const QString&)), Qt::BlockingQueuedConnection);
- connect(&vncThread, SIGNAL(passwordRequest()), this, SLOT(requestPassword()), Qt::BlockingQueuedConnection);
- connect(&vncThread, SIGNAL(outputErrorMessage(QString)), this, SLOT(outputErrorMessage(QString)));
+ connect(m_vncThread, SIGNAL(imageUpdated(int, int, int, int)), this, SLOT(updateImage(int, int, int, int)), Qt::BlockingQueuedConnection);
+ connect(m_vncThread, SIGNAL(gotCut(const QString&)), this, SLOT(setCut(const QString&)), Qt::BlockingQueuedConnection);
+ connect(m_vncThread, SIGNAL(passwordRequest()), this, SLOT(requestPassword()), Qt::BlockingQueuedConnection);
+ connect(m_vncThread, SIGNAL(outputErrorMessage(QString)), this, SLOT(outputErrorMessage(QString)));
//don't miss early connection failures
- connect(&vncThread, SIGNAL(finished()), this, SLOT(startQuitting()));
+ connect(m_vncThread, SIGNAL(finished()), this, SLOT(startQuitting()));
m_clipboard = QApplication::clipboard();
connect(m_clipboard, SIGNAL(selectionChanged()), this, SLOT(clipboardSelectionChanged()));
unpressModifiers();
// Disconnect all signals so that we don't get any more callbacks from the client thread
- vncThread.disconnect();
+ m_vncThread->disconnect();
startQuitting();
+
+ delete m_vncThread;
}
bool VncView::eventFilter(QObject *obj, QEvent *event)
return RemoteView::eventFilter(obj, event);
}
-QSize VncView::framebufferSize()
+QSize VncView::framebufferSize() const
{
return m_frame.size();
}
m_quitFlag = true;
- vncThread.stop();
+ m_vncThread->stop();
- const bool quitSuccess = vncThread.wait(700);
+ const bool quitSuccess = m_vncThread->wait(700);
if(!quitSuccess) {
- //happens when vncThread wants to call a slot via BlockingQueuedConnection,
+ //happens when m_vncThread wants to call a slot via BlockingQueuedConnection,
//needs an event loop in this thread so execution continues after 'emit'
QEventLoop loop;
if(!loop.processEvents())
kDebug(5011) << "BUG: deadlocked, but no events to deliver?";
- vncThread.wait(700);
+ m_vncThread->wait(700);
}
setStatus(Disconnected);
}
-bool VncView::isQuitting()
+bool VncView::isQuitting() const
{
return m_quitFlag;
}
bool VncView::start()
{
- vncThread.setHost(m_host);
- vncThread.setPort(m_port);
- vncThread.setListenPort(listen_port); //if port is != 0, thread will listen for connections
- vncThread.setQuality(quality);
+ m_vncThread->setHost(m_host);
+ m_vncThread->setPort(m_port);
+ m_vncThread->setListenPort(m_listen_port); //if port is != 0, thread will listen for connections
+ m_vncThread->setQuality(m_quality);
// set local cursor on by default because low quality mostly means slow internet connection
- if (quality == RemoteView::Low) {
+ if (m_quality == RemoteView::Low) {
showDotCursor(RemoteView::CursorOn);
}
setStatus(Connecting);
- vncThread.start();
+ m_vncThread->start();
return true;
}
setStatus(Authenticating);
if (!m_url.password().isNull()) {
- vncThread.setPassword(m_url.password());
+ m_vncThread->setPassword(m_url.password());
return;
}
if(m_firstPasswordTry and !password.isEmpty()) {
kDebug(5011) << "Trying saved password";
m_firstPasswordTry = false;
- vncThread.setPassword(password);
+ m_vncThread->setPassword(password);
return;
}
m_firstPasswordTry = false;
settings.sync();
}
- vncThread.setPassword(password);
+ m_vncThread->setPassword(password);
} else {
- vncThread.setPassword(QString()); //null string to exit
+ m_vncThread->setPassword(QString()); //null string to exit
}
}
return;
}
- startQuitting();
-
emit errorMessage(i18n("VNC failure"), message);
+
+ startQuitting();
}
void VncView::updateImage(int x, int y, int w, int h)
m_h+=2*y_extrapixels;
}
- m_frame = vncThread.image();
+ m_frame = m_vncThread->image();
if (!m_initDone) { //TODO this seems an odd place for initialization
setAttribute(Qt::WA_NoSystemBackground);
magnification = (level)/90.0*(1.0 - fit_screen_magnification) + fit_screen_magnification;
}
- if(magnification < 0 //remote display smaller than local?
- or magnification != magnification) //nan
+ //remote display smaller than local (or NAN)?
+ if(magnification < 0 or magnification != magnification)
magnification = 1.0;
- m_verticalFactor = m_horizontalFactor = magnification;
+ m_verticalFactor = m_horizontalFactor = magnification;
resize(m_frame.width()*magnification, m_frame.height()*magnification);
}
//split update region into smaller non-intersecting rectangles and only paint those
QPainter painter(this);
- foreach(const QRect& update_rect, event->region().rects()) {
+ foreach(QRect update_rect, event->region().rects()) {
+ if(m_horizontalFactor == 2.0 and m_verticalFactor == 2.0) {
+ //grow client side updates to multiples of 2 to avoid artifacts
+ update_rect.adjust(
+ -update_rect.x()%2,
+ -update_rect.y()%2,
+ 0, 0);
+ update_rect.adjust(0, 0,
+ (update_rect.x()+update_rect.width())%2,
+ (update_rect.y()+update_rect.height())%2);
+ }
const int sx = qRound(update_rect.x()/m_horizontalFactor);
const int sy = qRound(update_rect.y()/m_verticalFactor);
const int sw = qRound(update_rect.width()/m_horizontalFactor);
painter.drawImage(update_rect,
m_frame.copy(sx, sy, sw, sh)
- .scaled(update_rect.size(), Qt::IgnoreAspectRatio, transformation_mode));
+ .scaled(update_rect.size(), Qt::IgnoreAspectRatio, m_transformation_mode));
}
//draw local cursor ourselves, normal mouse pointer doesn't deal with scrolling
painter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
#endif
//rectangle size includes 1px pen width
- painter.drawRect(cursor_x*m_horizontalFactor - CURSOR_SIZE/2, cursor_y*m_verticalFactor - CURSOR_SIZE/2, CURSOR_SIZE-1, CURSOR_SIZE-1);
+ painter.drawRect(m_cursor_x*m_horizontalFactor - CURSOR_SIZE/2, m_cursor_y*m_verticalFactor - CURSOR_SIZE/2, CURSOR_SIZE-1, CURSOR_SIZE-1);
}
RemoteView::paintEvent(event);
if(!e) { //flush held taps
if(tap_detected) {
m_buttonMask |= rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
m_buttonMask &= ~rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
tap_detected = false;
} else if(double_tap_detected and press_time.elapsed() > TAP_PRESS_TIME) { //got tap + another press -> tap & drag
m_buttonMask |= rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
double_tap_detected = false;
tap_drag_detected = true;
}
return;
}
- cursor_x = qRound(e->x()/m_horizontalFactor);
- cursor_y = qRound(e->y()/m_verticalFactor);
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask); // plain move event
+ m_cursor_x = qRound(e->x()/m_horizontalFactor);
+ m_cursor_y = qRound(e->y()/m_verticalFactor);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask); // plain move event
- if(!disable_tapping and e->button() == Qt::LeftButton) { //implement touchpad-like input for left button
+ if(!m_disable_tapping and e->button() == Qt::LeftButton) { //implement touchpad-like input for left button
if(e->type() == QEvent::MouseButtonPress or e->type() == QEvent::MouseButtonDblClick) {
press_time.start();
if(tap_detected and up_time.elapsed() < DOUBLE_TAP_UP_TIME) {
} else if(e->type() == QEvent::MouseButtonRelease) {
if(tap_drag_detected) { //end tap & drag
m_buttonMask &= ~rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
tap_drag_detected = false;
} else if(double_tap_detected) { //double click
double_tap_detected = false;
m_buttonMask |= rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
m_buttonMask &= ~rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
m_buttonMask |= rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
m_buttonMask &= ~rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
} else if(press_time.elapsed() < TAP_PRESS_TIME) { //tap
up_time.start();
tap_detected = true;
if (e->button() & Qt::RightButton)
m_buttonMask &= ~rfbButton3Mask;
}
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
}
//prevent local cursor artifacts
- static int old_cursor_x = cursor_x;
- static int old_cursor_y = cursor_y;
+ static int old_cursor_x = m_cursor_x;
+ static int old_cursor_y = m_cursor_y;
if(((m_dotCursorState == CursorOn) || m_forceLocalCursor)
- and (cursor_x != old_cursor_x or cursor_y != old_cursor_y)) {
+ and (m_cursor_x != old_cursor_x or m_cursor_y != old_cursor_y)) {
//clear last position
update(old_cursor_x*m_horizontalFactor - CURSOR_SIZE/2, old_cursor_y*m_verticalFactor - CURSOR_SIZE/2, CURSOR_SIZE, CURSOR_SIZE);
//and refresh new one
- update(cursor_x*m_horizontalFactor - CURSOR_SIZE/2, cursor_y*m_verticalFactor - CURSOR_SIZE/2, CURSOR_SIZE, CURSOR_SIZE);
+ update(m_cursor_x*m_horizontalFactor - CURSOR_SIZE/2, m_cursor_y*m_verticalFactor - CURSOR_SIZE/2, CURSOR_SIZE, CURSOR_SIZE);
- old_cursor_x = cursor_x;
- old_cursor_y = cursor_y;
+ old_cursor_x = m_cursor_x;
+ old_cursor_y = m_cursor_y;
}
}
const int x = qRound(event->x() / m_horizontalFactor);
const int y = qRound(event->y() / m_verticalFactor);
- vncThread.mouseEvent(x, y, m_buttonMask | eb);
- vncThread.mouseEvent(x, y, m_buttonMask);
+ m_vncThread->mouseEvent(x, y, m_buttonMask | eb);
+ m_vncThread->mouseEvent(x, y, m_buttonMask);
}
void VncView::keyEventHandler(QKeyEvent *e)
return;
}
-// parts of this code are based on http://italc.sourcearchive.com/documentation/1.0.9.1/vncview_8cpp-source.html
+ // parts of this code are based on http://italc.sourcearchive.com/documentation/1.0.9.1/vncview_8cpp-source.html
rfbKeySym k = e->nativeVirtualKey();
+
// we do not handle Key_Backtab separately as the Shift-modifier
// is already enabled
if (e->key() == Qt::Key_Backtab) {
int current_zoom = -1;
if(e->key() == Qt::Key_F8)
- current_zoom = left_zoom;
+ current_zoom = m_left_zoom;
else if(e->key() == Qt::Key_F7)
- current_zoom = right_zoom;
+ current_zoom = m_right_zoom;
else if (k) {
- // kDebug(5011) << "got '" << e->text() << "'.";
- vncThread.keyEvent(k, pressed);
+ kDebug(5011) << "Key pressed: '" << e->text() << "', nativeVirtualKey: " << k;
+ m_vncThread->keyEvent(k, pressed);
} else {
kDebug(5011) << "nativeVirtualKey() for '" << e->text() << "' failed.";
return;
m_buttonMask |= rfbButton1Mask;
else
m_buttonMask &= ~rfbButton1Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
} else if(current_zoom == 1) { //right click
if(pressed)
m_buttonMask |= rfbButton3Mask;
else
m_buttonMask &= ~rfbButton3Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
} else if(current_zoom == 2) { //middle click
if(pressed)
m_buttonMask |= rfbButton2Mask;
else
m_buttonMask &= ~rfbButton2Mask;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
} else if(current_zoom == 3 and pressed) { //wheel up
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask | rfbWheelUpMask);
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask | rfbWheelUpMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
} else if(current_zoom == 4 and pressed) { //wheel down
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask | rfbWheelDownMask);
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask | rfbWheelDownMask);
+ m_vncThread->mouseEvent(m_cursor_x, m_cursor_y, m_buttonMask);
} else if(current_zoom == 5) { //page up
- vncThread.keyEvent(0xff55, pressed);
+ m_vncThread->keyEvent(0xff55, pressed);
} else if(current_zoom == 6) { //page down
- vncThread.keyEvent(0xff56, pressed);
+ m_vncThread->keyEvent(0xff56, pressed);
}
}
const QList<unsigned int> keys = m_mods.keys();
QList<unsigned int>::const_iterator it = keys.constBegin();
while (it != keys.end()) {
- vncThread.keyEvent(*it, false);
- it++;
+ m_vncThread->keyEvent(*it, false);
+ ++it;
}
m_mods.clear();
}
const QString text = m_clipboard->text(QClipboard::Selection);
- vncThread.clientCut(text);
+ m_vncThread->clientCut(text);
}
void VncView::clipboardDataChanged()
const QString text = m_clipboard->text(QClipboard::Clipboard);
- vncThread.clientCut(text);
+ m_vncThread->clientCut(text);
}
//fake key events
k = 0xff67;
break;
case Qt::Key_Meta:
- case Qt::MetaModifier:
k = XK_Super_L;
break;
case Qt::Key_Alt:
- case Qt::AltModifier:
k = XK_Alt_L;
break;
case Qt::Key_Control:
- case Qt::ControlModifier:
k = XK_Control_L;
break;
default:
if (k == XK_Shift_L || k == XK_Control_L || k == XK_Meta_L || k == XK_Alt_L || k == XK_Super_L) {
if (m_mods.contains(k)) { //release
m_mods.remove(k);
- vncThread.keyEvent(k, false);
+ m_vncThread->keyEvent(k, false);
} else { //press
m_mods[k] = true;
- vncThread.keyEvent(k, true);
+ m_vncThread->keyEvent(k, true);
}
} else { //normal key
- vncThread.keyEvent(k, true);
- vncThread.keyEvent(k, false);
+ m_vncThread->keyEvent(k, true);
+ m_vncThread->keyEvent(k, false);
}
}
Q_ASSERT(keys.count() <= 1); //we can only handle a single combination
//to get at individual key presses, we split 'keys' into its components
- QList<int> key_list;
+ QList<Qt::Key> key_list;
int pos = 0;
while(true) {
QString k = keys.toString().section('+', pos, pos);
} else if(k == "Meta") {
key_list.append(Qt::Key_Meta);
} else {
- key_list.append(QKeySequence(k)[0]);
+ key_list.append((Qt::Key)QKeySequence(k)[0]);
}
pos++;
}
for(int i = 0; i < key_list.count(); i++)
- sendKey(Qt::Key(key_list.at(i)));
+ sendKey(key_list.at(i));
//release modifiers (everything before final key)
for(int i = key_list.count()-2; i >= 0; i--)
- sendKey(Qt::Key(key_list.at(i)));
+ sendKey(key_list.at(i));
}
void VncView::reloadSettings()
{
QSettings settings;
- left_zoom = settings.value("left_zoom", 0).toInt();
- right_zoom = settings.value("right_zoom", 1).toInt();
- disable_tapping = settings.value("disable_tapping", false).toBool();
+ m_left_zoom = settings.value("left_zoom", 0).toInt();
+ m_right_zoom = settings.value("right_zoom", 1).toInt();
+ m_disable_tapping = settings.value("disable_tapping", false).toBool();
bool always_show_local_cursor = settings.value("always_show_local_cursor", false).toBool();
- if(always_show_local_cursor)
- showDotCursor(CursorOn);
+ showDotCursor(always_show_local_cursor?CursorOn:CursorOff);
enableScaling(true);
}
kDebug(5011) << "unhandled key";
continue;
}
- vncThread.keyEvent(k, true);
- vncThread.keyEvent(k, false);
+ m_vncThread->keyEvent(k, true);
+ m_vncThread->keyEvent(k, false);
}
}
void VncView::useFastTransformations(bool enabled)
{
if(enabled or zoomFactor() >= 1.0) {
- transformation_mode = Qt::FastTransformation;
+ m_transformation_mode = Qt::FastTransformation;
} else {
- transformation_mode = Qt::SmoothTransformation;
+ m_transformation_mode = Qt::SmoothTransformation;
update();
}
}