#include "vncview.h"
-#include <QMessageBox>
-#include <QInputDialog>
-#define KMessageBox QMessageBox
-#define error(parent, message, caption) \
-critical(parent, caption, message)
-
-#include <QApplication>
-#include <QBitmap>
-#include <QCheckBox>
-#include <QDialog>
-#include <QImage>
-#include <QHBoxLayout>
-#include <QVBoxLayout>
-#include <QPainter>
-#include <QMouseEvent>
-#include <QPushButton>
-#include <QEvent>
-#include <QSettings>
-#include <QTime>
-#include <QTimer>
+//for mouse button masks
+#include "rfb/rfbproto.h"
+
+#include <QtGui>
// Definition of key modifier mask constants
#define KMOD_Control_L 0x08
#define KMOD_Shift_L 0x10
-VncView::VncView(QWidget *parent, const KUrl &url, RemoteView::Quality quality)
- : RemoteView(parent),
- m_initDone(false),
- m_buttonMask(0),
- cursor_x(0),
- cursor_y(0),
- m_repaint(false),
- m_quitFlag(false),
- m_firstPasswordTry(true),
- m_dontSendClipboard(false),
- m_horizontalFactor(1.0),
- m_verticalFactor(1.0),
- m_forceLocalCursor(false),
- force_full_repaint(false),
- quality(quality)
+//local cursor width/height in px, should be an odd number
+const int CURSOR_SIZE = 7;
+
+//in miliseconds
+const int TAP_PRESS_TIME = 180;
+const int DOUBLE_TAP_UP_TIME = 500;
+
+
+VncView::VncView(QWidget *parent, const KUrl &url, RemoteView::Quality quality, int listen_port)
+ : RemoteView(parent),
+ m_initDone(false),
+ m_buttonMask(0),
+ cursor_x(0),
+ 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_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)));
+ //don't miss early connection failures
+ connect(&vncThread, SIGNAL(finished()), this, SLOT(startQuitting()));
+
m_clipboard = QApplication::clipboard();
connect(m_clipboard, SIGNAL(selectionChanged()), this, SLOT(clipboardSelectionChanged()));
connect(m_clipboard, SIGNAL(dataChanged()), this, SLOT(clipboardDataChanged()));
startQuitting();
}
-void VncView::forceFullRepaint()
-{
- force_full_repaint = true;
- repaint();
-}
-
bool VncView::eventFilter(QObject *obj, QEvent *event)
{
if (m_viewOnly) {
event->type() == QEvent::MouseButtonPress ||
event->type() == QEvent::MouseButtonRelease ||
event->type() == QEvent::Wheel ||
- event->type() == QEvent::MouseMove)
+ event->type() == QEvent::MouseMove) {
+
+ event->ignore();
return true;
+ }
}
+
return RemoteView::eventFilter(obj, event);
}
-QSize VncView::framebufferSize()
+QSize VncView::framebufferSize() const
{
return m_frame.size();
}
return size();
}
-void VncView::scaleResize(int w, int h)
-{
- RemoteView::scaleResize(w, h);
-
- kDebug(5011) << "scaleResize(): " <<w << h;
- if (m_scale) {
- m_verticalFactor = (qreal) h / m_frame.height();
- m_horizontalFactor = (qreal) w / m_frame.width();
-
- m_verticalFactor = m_horizontalFactor = qMin(m_verticalFactor, m_horizontalFactor);
-
- const qreal newW = m_frame.width() * m_horizontalFactor;
- const qreal newH = m_frame.height() * m_verticalFactor;
- /*
- setMaximumSize(newW, newH); //This is a hack to force Qt to center the view in the scroll area
- //also causes the widget's size to flicker
- */
- resize(newW, newH);
- }
-}
-
-
void VncView::startQuitting()
{
- kDebug(5011) << "about to quit";
+ if(isQuitting())
+ return;
- const bool connected = status() == RemoteView::Connected;
+ kDebug(5011) << "about to quit";
setStatus(Disconnecting);
m_quitFlag = true;
- if (connected) {
- vncThread.stop();
- }
-
- vncThread.quit();
-
- const bool quitSuccess = vncThread.wait(500);
-
- kDebug(5011) << "startQuitting(): Quit VNC thread success:" << quitSuccess;
+ vncThread.stop();
+ const bool quitSuccess = vncThread.wait(700);
+ if(!quitSuccess) {
+ //happens when 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);
+ }
setStatus(Disconnected);
}
-bool VncView::isQuitting()
+bool VncView::isQuitting() const
{
return m_quitFlag;
}
{
vncThread.setHost(m_host);
vncThread.setPort(m_port);
-
+ vncThread.setListenPort(listen_port); //if port is != 0, thread will listen for connections
vncThread.setQuality(quality);
// set local cursor on by default because low quality mostly means slow internet connection
return;
}
- QSettings settings;
- settings.beginGroup("hosts");
- QString password = settings.value(QString("%1/password").arg(m_host), "").toString();
- //check for saved password
- if(m_firstPasswordTry and !password.isEmpty()) {
- kDebug(5011) << "Trying saved password";
- m_firstPasswordTry = false;
- vncThread.setPassword(password);
- return;
- }
- m_firstPasswordTry = false;
-
- //build dialog
- QDialog dialog(this);
- dialog.setWindowTitle(tr("Password required"));
-
- QLineEdit passwordbox;
- passwordbox.setEchoMode(QLineEdit::Password);
- passwordbox.setText(password);
- QCheckBox save_password(tr("Save Password"));
- save_password.setChecked(!password.isEmpty()); //offer to overwrite saved password
- QPushButton ok_button(tr("Done"));
- ok_button.setMaximumWidth(100);
- connect(&ok_button, SIGNAL(clicked()),
- &dialog, SLOT(accept()));
-
- QHBoxLayout layout1;
- QVBoxLayout layout2;
- layout2.addWidget(&passwordbox);
- layout2.addWidget(&save_password);
- layout1.addLayout(&layout2);
- layout1.addWidget(&ok_button);
- dialog.setLayout(&layout1);
-
- if(dialog.exec()) { //dialog accepted
- password = passwordbox.text();
-
- if(save_password.isChecked()) {
- kDebug(5011) << "Saving password for host '" << m_host << "'";
-
- settings.setValue(QString("%1/password").arg(m_host), password);
- settings.sync();
- }
-
- vncThread.setPassword(password);
- } else {
- startQuitting();
- }
+ QSettings settings;
+ settings.beginGroup("hosts");
+
+ //check for saved password
+ QString password = settings.value(QString("%1/password").arg(m_host), "").toString();
+ if(m_firstPasswordTry and !password.isEmpty()) {
+ kDebug(5011) << "Trying saved password";
+ m_firstPasswordTry = false;
+ vncThread.setPassword(password);
+ return;
+ }
+ m_firstPasswordTry = false;
+
+ //build dialog
+ QDialog dialog(this);
+ dialog.setWindowTitle(tr("Password required"));
+
+ QLineEdit passwordbox;
+ passwordbox.setEchoMode(QLineEdit::Password);
+ passwordbox.setText(password);
+ QCheckBox save_password(tr("Save Password"));
+ save_password.setChecked(!password.isEmpty()); //offer to overwrite saved password
+ QPushButton ok_button(tr("Done"));
+ ok_button.setMaximumWidth(100);
+ connect(&ok_button, SIGNAL(clicked()),
+ &dialog, SLOT(accept()));
+
+ QHBoxLayout layout1;
+ QVBoxLayout layout2;
+ layout2.addWidget(&passwordbox);
+ if(!m_host.isEmpty()) //don't save incoming connections
+ layout2.addWidget(&save_password);
+ layout1.addLayout(&layout2);
+ layout1.addWidget(&ok_button);
+ dialog.setLayout(&layout1);
+
+ if(dialog.exec()) { //dialog accepted
+ password = passwordbox.text();
+
+ if(!m_host.isEmpty() and save_password.isChecked()) {
+ kDebug(5011) << "Saving password for host '" << m_host << "'";
+
+ settings.setValue(QString("%1/password").arg(m_host), password);
+ settings.sync();
+ }
+
+ vncThread.setPassword(password);
+ } else {
+ vncThread.setPassword(QString()); //null string to exit
+ }
}
void VncView::outputErrorMessage(const QString &message)
{
- kDebug(5011) << message;
-
if (message == "INTERNAL:APPLE_VNC_COMPATIBILTY") {
setCursor(localDotCursor());
m_forceLocalCursor = true;
return;
}
- startQuitting();
-
emit errorMessage(i18n("VNC failure"), message);
+
+ startQuitting();
}
void VncView::updateImage(int x, int y, int w, int h)
{
- if(!QApplication::focusWidget()) { //no focus, we're probably minimized
- return;
- }
- //kDebug(5011) << "got update" << width() << height();
- static unsigned int frames = 0;
- static unsigned int updates = 0;
- static QTime time = QTime::currentTime();
- updates++;
- if(updates % 100 == 0)
- kDebug(5011) << "u/s: " << updates/double(time.elapsed()) * 1000.0;
-if(x == 0 and y == 0) {
- frames++;
- if(frames % 100 == 0)
- kDebug(5011) << "f/s: " << frames/double(time.elapsed()) * 1000.0;
-}
+#ifdef Q_WS_MAEMO_5
+ //don't update if window is out of focus / display is off
+ if(!QApplication::focusWidget() || display_off) {
+ return;
+ }
+#endif
+
+ //kDebug(5011) << "got update" << width() << height();
m_x = x;
m_y = y;
if (m_horizontalFactor != 1.0 || m_verticalFactor != 1.0) {
// If the view is scaled, grow the update rectangle to avoid artifacts
- int x_extrapixels = 1.0/m_horizontalFactor+1;
- int y_extrapixels = 1.0/m_verticalFactor+1;
+ int x_extrapixels = 1.0/m_horizontalFactor + 1;
+ int y_extrapixels = 1.0/m_verticalFactor + 1;
m_x-=x_extrapixels;
m_y-=y_extrapixels;
m_frame = vncThread.image();
- if (!m_initDone) {
- setAttribute(Qt::WA_StaticContents);
- setAttribute(Qt::WA_OpaquePaintEvent);
+ if (!m_initDone) { //TODO this seems an odd place for initialization
+ setAttribute(Qt::WA_NoSystemBackground);
installEventFilter(this);
setCursor(((m_dotCursorState == CursorOn) || m_forceLocalCursor) ? localDotCursor() : Qt::BlankCursor);
setMouseTracking(true); // get mouse events even when there is no mousebutton pressed
setFocusPolicy(Qt::WheelFocus);
setStatus(Connected);
-// emit framebufferSizeChanged(m_frame.width(), m_frame.height());
emit connected();
-
- if (m_scale) {
- if (parentWidget())
- scaleResize(parentWidget()->width(), parentWidget()->height());
- else
- scaleResize(width(), height());
- }
-
- m_initDone = true;
+ resize(width(), height());
+
+ m_initDone = true;
}
- static QSize old_frame_size = QSize();
+ static QSize old_frame_size = QSize();
if ((y == 0 && x == 0) && (m_frame.size() != old_frame_size)) {
- old_frame_size = m_frame.size();
+ old_frame_size = m_frame.size();
kDebug(5011) << "Updating framebuffer size";
- if (m_scale) {
- //setMaximumSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
- if (parentWidget())
- scaleResize(parentWidget()->width(), parentWidget()->height());
- } else {
- kDebug(5011) << "Resizing: " << m_frame.width() << m_frame.height();
- resize(m_frame.width(), m_frame.height());
- //setMaximumSize(m_frame.width(), m_frame.height()); //This is a hack to force Qt to center the view in the scroll area
- //setMinimumSize(m_frame.width(), m_frame.height());
- }
+ setZoomLevel();
+ useFastTransformations(false);
+
emit framebufferSizeChanged(m_frame.width(), m_frame.height());
}
- m_repaint = true;
- repaint(qRound(m_x * m_horizontalFactor), qRound(m_y * m_verticalFactor), qRound(m_w * m_horizontalFactor), qRound(m_h * m_verticalFactor));
- m_repaint = false;
+ update(qRound(m_x * m_horizontalFactor), qRound(m_y * m_verticalFactor), qRound(m_w * m_horizontalFactor), qRound(m_h * m_verticalFactor));
}
void VncView::setViewOnly(bool viewOnly)
m_dontSendClipboard = viewOnly;
- if (viewOnly)
+ if (viewOnly) {
+ showDotCursor(CursorOff);
setCursor(Qt::ArrowCursor);
- else
+ } else {
setCursor(m_dotCursorState == CursorOn ? localDotCursor() : Qt::BlankCursor);
+ }
}
void VncView::showDotCursor(DotCursorState state)
setCursor(state == CursorOn ? localDotCursor() : Qt::BlankCursor);
}
-void VncView::enableScaling(bool scale)
+//level should be in [0, 100]
+void VncView::setZoomLevel(int level)
{
- RemoteView::enableScaling(scale);
+ Q_ASSERT(parentWidget() != 0);
- if (scale) {
- //setMaximumSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
- //setMinimumSize(1, 1);
- if (parentWidget())
- scaleResize(parentWidget()->width(), parentWidget()->height());
- else
- scaleResize(width(), height());
+ if(level == -1) { //handle resize
+ resize(m_frame.width()*m_horizontalFactor, m_frame.height()*m_verticalFactor);
+ return;
+ }
+
+ double magnification;
+ if(level == 100) {
+ magnification = 2.0;
+ } else if(level >= 90) {
+ magnification = 1.0;
} else {
- m_verticalFactor = 1.0;
- m_horizontalFactor = 1.0;
+ const double min_horiz_magnification = double(parentWidget()->width())/m_frame.width();
+ const double min_vert_magnification = double(parentWidget()->height())/m_frame.height();
+ const double fit_screen_magnification = qMin(min_horiz_magnification, min_vert_magnification);
- //setMaximumSize(m_frame.width(), m_frame.height()); //This is a hack to force Qt to center the view in the scroll area
- //setMinimumSize(m_frame.width(), m_frame.height());
- resize(m_frame.width(), m_frame.height());
+ //level=90 => magnification=1.0, level=0 => magnification=fit_screen_magnification
+ magnification = (level)/90.0*(1.0 - fit_screen_magnification) + fit_screen_magnification;
}
+
+ //remote display smaller than local (or NAN)?
+ if(magnification < 0 or magnification != magnification)
+ magnification = 1.0;
+
+ m_verticalFactor = m_horizontalFactor = magnification;
+ resize(m_frame.width()*magnification, m_frame.height()*magnification);
}
void VncView::setCut(const QString &text)
void VncView::paintEvent(QPaintEvent *event)
{
- //kDebug(5011) << "paint event: x: " << m_x << ", y: " << m_y << ", w: " << m_w << ", h: " << m_h;
if (m_frame.isNull() || m_frame.format() == QImage::Format_Invalid) {
- kDebug(5011) << "no valid image to paint";
+ //no valid image to paint
RemoteView::paintEvent(event);
return;
}
event->accept();
+ //split update region into smaller non-intersecting rectangles and only paint those
QPainter painter(this);
-
- if (m_repaint and !force_full_repaint) {
-// kDebug(5011) << "normal repaint";
- painter.drawImage(QRect(qRound(m_x*m_horizontalFactor), qRound(m_y*m_verticalFactor),
- qRound(m_w*m_horizontalFactor), qRound(m_h*m_verticalFactor)),
- m_frame.copy(m_x, m_y, m_w, m_h).scaled(qRound(m_w*m_horizontalFactor),
- qRound(m_h*m_verticalFactor),
- Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
- } else {
- //kDebug(5011) << "resize repaint";
- QRect rect = event->rect();
- if (!force_full_repaint and (rect.width() != width() || rect.height() != height())) {
- // kDebug(5011) << "Partial repaint";
- const int sx = rect.x()/m_horizontalFactor;
- const int sy = rect.y()/m_verticalFactor;
- const int sw = rect.width()/m_horizontalFactor;
- const int sh = rect.height()/m_verticalFactor;
- painter.drawImage(rect,
- m_frame.copy(sx, sy, sw, sh).scaled(rect.width(), rect.height(),
- Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
- } else {
- kDebug(5011) << "Full repaint" << width() << height() << m_frame.width() << m_frame.height();
- painter.drawImage(QRect(0, 0, width(), height()),
- m_frame.scaled(m_frame.width() * m_horizontalFactor, m_frame.height() * m_verticalFactor,
- Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
- force_full_repaint = false;
+ 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);
+ const int sh = qRound(update_rect.height()/m_verticalFactor);
- //draw local cursor ourselves, normal mouse pointer doesn't deal with scrolling
- if((m_dotCursorState == CursorOn) || m_forceLocalCursor) {
- const uchar bits[] = { 0xff, 0x8e, 0x8e, 0x8e, 0xff };
- const bool little_endian = (Q_BYTE_ORDER == Q_LITTLE_ENDIAN);
- const QBitmap cursorBitmap = QBitmap::fromData(QSize(5,5), bits , little_endian?QImage::Format_Mono:QImage::Format_MonoLSB);
+ //kDebug(5011) << "Partial repaint, widget x,y,w,h:" << update_rect.x() << update_rect.y() << update_rect.width() << update_rect.height() << "orig: " << sx << sy << sw << sh;
+ painter.drawImage(update_rect,
+ m_frame.copy(sx, sy, sw, sh)
+ .scaled(update_rect.size(), Qt::IgnoreAspectRatio, transformation_mode));
+ }
+
+ //draw local cursor ourselves, normal mouse pointer doesn't deal with scrolling
+ if((m_dotCursorState == CursorOn) || m_forceLocalCursor) {
#if QT_VERSION >= 0x040500
- painter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
+ painter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
#endif
-
- painter.drawPixmap(cursor_x-2, cursor_y-2, cursorBitmap);
- //TODO update position of last cursor_x/y to avoid artifacts
- }
+ //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);
+ }
RemoteView::paintEvent(event);
}
void VncView::resizeEvent(QResizeEvent *event)
{
RemoteView::resizeEvent(event);
- scaleResize(event->size().width(), event->size().height());
- forceFullRepaint();
+ update();
}
bool VncView::event(QEvent *event)
switch (event->type()) {
case QEvent::KeyPress:
case QEvent::KeyRelease:
-// kDebug(5011) << "keyEvent";
keyEventHandler(static_cast<QKeyEvent*>(event));
return true;
- break;
+
case QEvent::MouseButtonDblClick:
case QEvent::MouseButtonPress:
case QEvent::MouseButtonRelease:
case QEvent::MouseMove:
-// kDebug(5011) << "mouseEvent";
mouseEventHandler(static_cast<QMouseEvent*>(event));
return true;
- break;
+
case QEvent::Wheel:
-// kDebug(5011) << "wheelEvent";
wheelEventHandler(static_cast<QWheelEvent*>(event));
return true;
- break;
+
case QEvent::WindowActivate: //input panel may have been closed, prevent IM from interfering with hardware keyboard
- setAttribute(Qt::WA_InputMethodEnabled, false);
- //fall through
+ setAttribute(Qt::WA_InputMethodEnabled, false);
+ //fall through
default:
return RemoteView::event(event);
}
//call with e == 0 to flush held events
void VncView::mouseEventHandler(QMouseEvent *e)
{
- static bool tap_detected = false;
- static bool double_tap_detected = false;
- static bool tap_drag_detected = false;
- static QTime press_time;
- static QTime up_time; //used for double clicks/tap&drag, for time after first tap
-
- const int TAP_PRESS_TIME = 180;
- const int DOUBLE_TAP_UP_TIME = 500;
-
- if(!e) { //flush held taps
- if(tap_detected) {
- m_buttonMask |= 0x01;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- m_buttonMask &= 0xfe;
- vncThread.mouseEvent(cursor_x, 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 |= 0x01;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- double_tap_detected = false;
- tap_drag_detected = true;
- }
-
- return;
- }
-
- if(e->x() < 0 or e->y() < 0) { //QScrollArea tends to send invalid events sometimes...
- e->ignore();
- 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
-
- if(disable_tapping) { //only move cursor
- e->ignore();
- return;
- }
-
- if(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) {
- tap_detected = false;
- double_tap_detected = true;
-
- QTimer::singleShot(TAP_PRESS_TIME, this, SLOT(mouseEventHandler()));
- }
- } else if(e->type() == QEvent::MouseButtonRelease) {
- if(tap_drag_detected) {
- m_buttonMask &= 0xfe;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- tap_drag_detected = false;
- } else if(double_tap_detected) { //double click
- double_tap_detected = false;
-
- m_buttonMask |= 0x01;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- m_buttonMask &= 0xfe;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- m_buttonMask |= 0x01;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- m_buttonMask &= 0xfe;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(press_time.elapsed() < TAP_PRESS_TIME) { //tap
- up_time.start();
- tap_detected = true;
- QTimer::singleShot(DOUBLE_TAP_UP_TIME, this, SLOT(mouseEventHandler()));
- }
-
- }
- } else { //middle or right button, send directly
- if ((e->type() == QEvent::MouseButtonPress)) {
- if (e->button() & Qt::MidButton)
- m_buttonMask |= 0x02;
- if (e->button() & Qt::RightButton)
- m_buttonMask |= 0x04;
- } else if (e->type() == QEvent::MouseButtonRelease) {
- if (e->button() & Qt::MidButton)
- m_buttonMask &= 0xfd;
- if (e->button() & Qt::RightButton)
- m_buttonMask &= 0xfb;
- }
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- }
+ static bool tap_detected = false;
+ static bool double_tap_detected = false;
+ static bool tap_drag_detected = false;
+ static QTime press_time;
+ static QTime up_time; //used for double clicks/tap&drag, for time after first tap
+
+
+ if(!e) { //flush held taps
+ if(tap_detected) {
+ m_buttonMask |= rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_buttonMask &= ~rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, 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);
+ double_tap_detected = false;
+ tap_drag_detected = true;
+ }
+
+ return;
+ }
+
+ if(e->x() < 0 or e->y() < 0) { //QScrollArea tends to send invalid events sometimes...
+ e->ignore();
+ 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
+
+ if(!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) {
+ tap_detected = false;
+ double_tap_detected = true;
+
+ QTimer::singleShot(TAP_PRESS_TIME, this, SLOT(mouseEventHandler()));
+ }
+ } else if(e->type() == QEvent::MouseButtonRelease) {
+ if(tap_drag_detected) { //end tap & drag
+ m_buttonMask &= ~rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, 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_buttonMask &= ~rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_buttonMask |= rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ m_buttonMask &= ~rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ } else if(press_time.elapsed() < TAP_PRESS_TIME) { //tap
+ up_time.start();
+ tap_detected = true;
+ QTimer::singleShot(DOUBLE_TAP_UP_TIME, this, SLOT(mouseEventHandler()));
+ }
+
+ }
+ } else { //middle or right button, send directly
+ if ((e->type() == QEvent::MouseButtonPress)) {
+ if (e->button() & Qt::MidButton)
+ m_buttonMask |= rfbButton2Mask;
+ if (e->button() & Qt::RightButton)
+ m_buttonMask |= rfbButton3Mask;
+ } else if (e->type() == QEvent::MouseButtonRelease) {
+ if (e->button() & Qt::MidButton)
+ m_buttonMask &= ~rfbButton2Mask;
+ if (e->button() & Qt::RightButton)
+ m_buttonMask &= ~rfbButton3Mask;
+ }
+ vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
+ }
+
+ //prevent local cursor artifacts
+ static int old_cursor_x = cursor_x;
+ static int old_cursor_y = cursor_y;
+ if(((m_dotCursorState == CursorOn) || m_forceLocalCursor)
+ and (cursor_x != old_cursor_x or 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);
+
+ old_cursor_x = cursor_x;
+ old_cursor_y = cursor_y;
+ }
}
void VncView::wheelEventHandler(QWheelEvent *event)
{
int eb = 0;
if (event->delta() < 0)
- eb |= 0x10;
+ eb |= rfbWheelDownMask;
else
- eb |= 0x8;
+ eb |= rfbWheelUpMask;
const int x = qRound(event->x() / m_horizontalFactor);
const int y = qRound(event->y() / m_verticalFactor);
- vncThread.mouseEvent(x, y, eb | m_buttonMask);
+ vncThread.mouseEvent(x, y, m_buttonMask | eb);
vncThread.mouseEvent(x, y, m_buttonMask);
}
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) {
//don't send ISO_Level3_Shift (would break things like Win+0-9)
//also enable IM so symbol key works
if(k == 0xfe03) {
- setAttribute(Qt::WA_InputMethodEnabled, pressed);
- e->ignore();
- return;
+ setAttribute(Qt::WA_InputMethodEnabled, pressed);
+ e->ignore();
+ return;
}
#endif
}
- int current_zoom = -1;
- if(e->key() == Qt::Key_F8)
- current_zoom = left_zoom;
- else if(e->key() == Qt::Key_F7)
- current_zoom = right_zoom;
- else if (k) {
- // kDebug(5011) << "got '" << e->text() << "'.";
- vncThread.keyEvent(k, pressed);
- } else {
- kDebug(5011) << "nativeVirtualKey() for '" << e->text() << "' failed.";
- return;
- }
-
- if(current_zoom == -1)
- return;
-
- //handle zoom buttons
- if(current_zoom == 0) { //left click
- if(pressed)
- m_buttonMask |= 0x01;
- else
- m_buttonMask &= 0xfe;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(current_zoom == 1) { //right click
- if(pressed)
- m_buttonMask |= 0x04;
- else
- m_buttonMask &= 0xfb;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(current_zoom == 2) { //middle click
- if(pressed)
- m_buttonMask |= 0x02;
- else
- m_buttonMask &= 0xfd;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(current_zoom == 3 and pressed) { //wheel up
- int eb = 0x8;
- vncThread.mouseEvent(cursor_x, cursor_y, eb | m_buttonMask);
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(current_zoom == 4 and pressed) { //wheel down
- int eb = 0x10;
- vncThread.mouseEvent(cursor_x, cursor_y, eb | m_buttonMask);
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(current_zoom == 5) { //page up
- vncThread.keyEvent(0xff55, pressed);
- } else if(current_zoom == 6) { //page down
- vncThread.keyEvent(0xff56, pressed);
- }
+ int current_zoom = -1;
+ if(e->key() == Qt::Key_F8)
+ current_zoom = left_zoom;
+ else if(e->key() == Qt::Key_F7)
+ current_zoom = right_zoom;
+ else if (k) {
+ //kDebug(5011) << "got '" << e->text() << "', nativeVirtualKey: " << k;
+ vncThread.keyEvent(k, pressed);
+ } else {
+ kDebug(5011) << "nativeVirtualKey() for '" << e->text() << "' failed.";
+ return;
+ }
+
+ if(current_zoom == -1)
+ return;
+
+ //handle zoom buttons
+ if(current_zoom == 0) { //left click
+ if(pressed)
+ m_buttonMask |= rfbButton1Mask;
+ else
+ m_buttonMask &= ~rfbButton1Mask;
+ vncThread.mouseEvent(cursor_x, 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);
+ } else if(current_zoom == 2) { //middle click
+ if(pressed)
+ m_buttonMask |= rfbButton2Mask;
+ else
+ m_buttonMask &= ~rfbButton2Mask;
+ vncThread.mouseEvent(cursor_x, 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);
+ } 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);
+ } else if(current_zoom == 5) { //page up
+ vncThread.keyEvent(0xff55, pressed);
+ } else if(current_zoom == 6) { //page down
+ vncThread.keyEvent(0xff56, pressed);
+ }
}
void VncView::unpressModifiers()
void VncView::clipboardSelectionChanged()
{
- //kDebug(5011);
-
if (m_status != Connected)
return;
void VncView::clipboardDataChanged()
{
- //kDebug(5011);
-
if (m_status != Connected)
return;
//fake key events
void VncView::sendKey(Qt::Key key)
{
- //convert Qt::Key into x11 keysym
- int k = 0;
- switch(key) {
- case Qt::Key_Escape:
- k = 0xff1b;
- break;
- case Qt::Key_Tab:
- k = 0xff09;
- break;
- case Qt::Key_PageUp:
- k = 0xff55;
- break;
- case Qt::Key_PageDown:
- k = 0xff56;
- break;
- case Qt::Key_Return:
- k = 0xff0d;
- break;
- case Qt::Key_Insert:
- k = 0xff63;
- break;
- case Qt::Key_Delete:
- k = 0xffff;
- break;
- case Qt::Key_Home:
- k = 0xff50;
- break;
- case Qt::Key_End:
- k = 0xff57;
- break;
- case Qt::Key_Backspace:
- k = 0xff08;
- break;
- case Qt::Key_F1:
- case Qt::Key_F2:
- case Qt::Key_F3:
- case Qt::Key_F4:
- case Qt::Key_F5:
- case Qt::Key_F6:
- case Qt::Key_F7:
- case Qt::Key_F8:
- case Qt::Key_F9:
- case Qt::Key_F10:
- case Qt::Key_F11:
- case Qt::Key_F12:
- k = 0xffbe + int(key - Qt::Key_F1);
- 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:
- kDebug(5011) << "sendKey(): Unhandled Qt::Key value " << key;
- return;
- }
-
- 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);
- } else { //press
- m_mods[k] = true;
- vncThread.keyEvent(k, true);
- }
- } else { //normal key
- vncThread.keyEvent(k, true);
- vncThread.keyEvent(k, false);
- }
+ //convert Qt::Key into x11 keysym
+ int k = 0;
+ switch(key) {
+ case Qt::Key_Escape:
+ k = 0xff1b;
+ break;
+ case Qt::Key_Tab:
+ k = 0xff09;
+ break;
+ case Qt::Key_PageUp:
+ k = 0xff55;
+ break;
+ case Qt::Key_PageDown:
+ k = 0xff56;
+ break;
+ case Qt::Key_Return:
+ k = 0xff0d;
+ break;
+ case Qt::Key_Insert:
+ k = 0xff63;
+ break;
+ case Qt::Key_Delete:
+ k = 0xffff;
+ break;
+ case Qt::Key_Home:
+ k = 0xff50;
+ break;
+ case Qt::Key_End:
+ k = 0xff57;
+ break;
+ case Qt::Key_Backspace:
+ k = 0xff08;
+ break;
+ case Qt::Key_F1:
+ case Qt::Key_F2:
+ case Qt::Key_F3:
+ case Qt::Key_F4:
+ case Qt::Key_F5:
+ case Qt::Key_F6:
+ case Qt::Key_F7:
+ case Qt::Key_F8:
+ case Qt::Key_F9:
+ case Qt::Key_F10:
+ case Qt::Key_F11:
+ case Qt::Key_F12:
+ k = 0xffbe + int(key - Qt::Key_F1);
+ break;
+ case Qt::Key_Pause:
+ k = 0xff13;
+ break;
+ case Qt::Key_Print:
+ k = 0xff61;
+ break;
+ case Qt::Key_Menu:
+ k = 0xff67;
+ break;
+ case Qt::Key_Meta:
+ k = XK_Super_L;
+ break;
+ case Qt::Key_Alt:
+ k = XK_Alt_L;
+ break;
+ case Qt::Key_Control:
+ k = XK_Control_L;
+ break;
+ default:
+ kDebug(5011) << "sendKey(): Unhandled Qt::Key value " << key;
+ return;
+ }
+
+ 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);
+ } else { //press
+ m_mods[k] = true;
+ vncThread.keyEvent(k, true);
+ }
+ } else { //normal key
+ vncThread.keyEvent(k, true);
+ vncThread.keyEvent(k, false);
+ }
}
void VncView::sendKeySequence(QKeySequence keys)
{
- 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;
- for(int i = 0; ; i++) {
- QString k = keys.toString().section('+', i, i);
- if(k.isEmpty())
- break;
- //kDebug(5011) << "found key: " << k;
- if(k == "Alt") {
- key_list.append(Qt::Key_Alt);
- } else if(k == "Ctrl") {
- key_list.append(Qt::Key_Control);
- } else if(k == "Meta") {
- key_list.append(Qt::Key_Meta);
- } else {
- key_list.append(QKeySequence(k)[0]);
- }
- }
-
- for(int i = 0; i < key_list.count(); i++)
- sendKey(Qt::Key(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)));
+ 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<Qt::Key> key_list;
+ int pos = 0;
+ while(true) {
+ QString k = keys.toString().section('+', pos, pos);
+ if(k.isEmpty())
+ break;
+
+ //kDebug(5011) << "found key: " << k;
+ if(k == "Alt") {
+ key_list.append(Qt::Key_Alt);
+ } else if(k == "Ctrl") {
+ key_list.append(Qt::Key_Control);
+ } else if(k == "Meta") {
+ key_list.append(Qt::Key_Meta);
+ } else {
+ key_list.append((Qt::Key)QKeySequence(k)[0]);
+ }
+
+ pos++;
+ }
+
+ for(int i = 0; i < key_list.count(); i++)
+ sendKey(key_list.at(i));
+
+ //release modifiers (everything before final key)
+ for(int i = key_list.count()-2; i >= 0; 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();
+ 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();
+
+ bool always_show_local_cursor = settings.value("always_show_local_cursor", false).toBool();
+ showDotCursor(always_show_local_cursor?CursorOn:CursorOff);
+
+ enableScaling(true);
}
//convert commitString into keyevents
void VncView::inputMethodEvent(QInputMethodEvent *event)
{
- //TODO handle replacements
- //NOTE for the return key to work Qt needs to enable multiline input, which only works for Q(Plain)TextEdit
+ //TODO handle replacements
+ //NOTE for the return key to work Qt needs to enable multiline input, which only works for Q(Plain)TextEdit
- //kDebug(5011) << event->commitString() << "|" << event->preeditString() << "|" << event->replacementLength() << "|" << event->replacementStart();
- QString letters = event->commitString();
- for(int i = 0; i < letters.length(); i++) {
- char k = letters.at(i).toLatin1(); //works with all 'normal' keys, not umlauts.
- if(!k) {
- kDebug(5011) << "unhandled key";
- continue;
- }
- vncThread.keyEvent(k, true);
- vncThread.keyEvent(k, false);
- }
+ //kDebug(5011) << event->commitString() << "|" << event->preeditString() << "|" << event->replacementLength() << "|" << event->replacementStart();
+ QString letters = event->commitString();
+ for(int i = 0; i < letters.length(); i++) {
+ char k = letters.at(i).toLatin1();
+ if(!k) {
+ kDebug(5011) << "unhandled key";
+ continue;
+ }
+ vncThread.keyEvent(k, true);
+ vncThread.keyEvent(k, false);
+ }
}
-
-#include "moc_vncview.cpp"
+void VncView::useFastTransformations(bool enabled)
+{
+ if(enabled or zoomFactor() >= 1.0) {
+ transformation_mode = Qt::FastTransformation;
+ } else {
+ transformation_mode = Qt::SmoothTransformation;
+ update();
+ }
+}
projects / presencevnc / blobdiff