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>
+
// Definition of key modifier mask constants
#define KMOD_Alt_R 0x01
#define KMOD_Alt_L 0x02
m_repaint(false),
m_quitFlag(false),
m_firstPasswordTry(true),
- m_authenticaionCanceled(false),
m_dontSendClipboard(false),
m_horizontalFactor(1.0),
m_verticalFactor(1.0),
m_clipboard = QApplication::clipboard();
connect(m_clipboard, SIGNAL(selectionChanged()), this, SLOT(clipboardSelectionChanged()));
connect(m_clipboard, SIGNAL(dataChanged()), this, SLOT(clipboardDataChanged()));
+
+ reloadSettings();
}
VncView::~VncView()
unpressModifiers();
// Disconnect all signals so that we don't get any more callbacks from the client thread
- disconnect(&vncThread, SIGNAL(imageUpdated(int, int, int, int)), this, SLOT(updateImage(int, int, int, int)));
- disconnect(&vncThread, SIGNAL(gotCut(const QString&)), this, SLOT(setCut(const QString&)));
- disconnect(&vncThread, SIGNAL(passwordRequest()), this, SLOT(requestPassword()));
- disconnect(&vncThread, SIGNAL(outputErrorMessage(QString)), this, SLOT(outputErrorMessage(QString)));
+ vncThread.disconnect();
startQuitting();
}
}
}
-void VncView::updateConfiguration()
-{
- RemoteView::updateConfiguration();
-
- // Update the scaling mode in case KeepAspectRatio changed
- if(parentWidget())
- scaleResize(parentWidget()->width(), parentWidget()->height());
- else
- scaleResize(width(), height());
-}
void VncView::startQuitting()
{
const bool quitSuccess = vncThread.wait(500);
- kDebug(5011) << "Quit VNC thread success:" << quitSuccess;
+ kDebug(5011) << "startQuitting(): Quit VNC thread success:" << quitSuccess;
setStatus(Disconnected);
}
{
kDebug(5011) << "request password";
- if (m_authenticaionCanceled) {
- startQuitting();
- return;
- }
-
setStatus(Authenticating);
if (!m_url.password().isNull()) {
return;
}
- bool ok;
- QString password = QInputDialog::getText(this, //krazy:exclude=qclasses
- tr("Password required"),
- tr("Please enter the password for the remote desktop:"),
- QLineEdit::Password, QString(), &ok);
- m_firstPasswordTry = false;
- if (ok)
- vncThread.setPassword(password);
- else
- m_authenticaionCanceled = true;
+ 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();
+ }
}
void VncView::outputErrorMessage(const QString &message)
void VncView::updateImage(int x, int y, int w, int h)
{
-// kDebug(5011) << "got update" << width() << height();
+ 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;
+}
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
- m_x-=1;
- m_y-=1;
- m_w+=2;
- m_h+=2;
+ 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_w+=2*x_extrapixels;
+ m_h+=2*y_extrapixels;
}
m_frame = vncThread.image();
void VncView::paintEvent(QPaintEvent *event)
{
-// kDebug(5011) << "paint event: x: " << m_x << ", y: " << m_y << ", w: " << m_w << ", h: " << m_h;
+ //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";
RemoteView::paintEvent(event);
QPainter painter(this);
- if (m_repaint) {
+ 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)),
qRound(m_h*m_verticalFactor),
Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
} else {
- kDebug(5011) << "resize repaint";
+ //kDebug(5011) << "resize repaint";
QRect rect = event->rect();
if (!force_full_repaint and (rect.width() != width() || rect.height() != height())) {
- kDebug(5011) << "Partial repaint";
+ // 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;
}
}
+ //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);
+
+ painter.setCompositionMode(QPainter::RasterOp_SourceXorDestination);
+ painter.drawPixmap(cursor_x-2, cursor_y-2, cursorBitmap);
+ //TODO update position of last cursor_x/y to avoid artifacts
+ }
+
RemoteView::paintEvent(event);
}
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
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 tap_drag_detected = false;
static QTime press_time;
static QTime up_time; //used for double clicks/tap&drag, for time after first tap
-static QTime foo;
+
+ const int TAP_PRESS_TIME = 180;
+ const int DOUBLE_TAP_UP_TIME = 500;
if(!e) { //flush held taps
if(tap_detected) {
m_buttonMask &= 0xfe;
vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
tap_detected = false;
- } else if(double_tap_detected and press_time.elapsed() > 200) { //got tap + another press -> tap & drag
+ } 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);
- foo.start();
double_tap_detected = false;
tap_drag_detected = true;
}
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->type() == QEvent::MouseButtonPress or e->type() == QEvent::MouseButtonDblClick) {
press_time.start();
- if(tap_detected and up_time.elapsed() < 500) {
+ if(tap_detected and up_time.elapsed() < DOUBLE_TAP_UP_TIME) {
tap_detected = false;
double_tap_detected = true;
- QTimer::singleShot(200, this, SLOT(mouseEventHandler()));
+ QTimer::singleShot(TAP_PRESS_TIME, this, SLOT(mouseEventHandler()));
}
} else if(e->type() == QEvent::MouseButtonRelease) {
if(tap_drag_detected) {
vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
m_buttonMask &= 0xfe;
vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(press_time.elapsed() < 200) { //tap
+ } else if(press_time.elapsed() < TAP_PRESS_TIME) { //tap
up_time.start();
tap_detected = true;
- QTimer::singleShot(500, this, SLOT(mouseEventHandler()));
+ QTimer::singleShot(DOUBLE_TAP_UP_TIME, this, SLOT(mouseEventHandler()));
}
}
const int x = qRound(event->x() / m_horizontalFactor);
const int y = qRound(event->y() / m_verticalFactor);
- kDebug(5011) << "Wheelevent";
vncThread.mouseEvent(x, y, eb | m_buttonMask);
vncThread.mouseEvent(x, y, m_buttonMask);
}
void VncView::keyEventHandler(QKeyEvent *e)
{
// strip away autorepeating KeyRelease; see bug #206598
- if (e->isAutoRepeat() && (e->type() == QEvent::KeyRelease))
+ if (e->isAutoRepeat() && (e->type() == QEvent::KeyRelease)) {
return;
+ }
// parts of this code are based on http://italc.sourcearchive.com/documentation/1.0.9.1/vncview_8cpp-source.html
rfbKeySym k = e->nativeVirtualKey();
const bool pressed = (e->type() == QEvent::KeyPress);
+#ifdef Q_WS_MAEMO_5
+ //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;
+ }
+#endif
+
// handle modifiers
if (k == XK_Shift_L || k == XK_Control_L || k == XK_Meta_L || k == XK_Alt_L) {
if (pressed) {
}
- //handle clicks via zoom buttons
- if(e->key() == Qt::Key_F8) {
- if(pressed)
- m_buttonMask |= 0x01;
- else
- m_buttonMask &= 0xfe;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if(e->key() == Qt::Key_F7) {
- if(pressed)
- m_buttonMask |= 0x04;
- else
- m_buttonMask &= 0xfb;
- vncThread.mouseEvent(cursor_x, cursor_y, m_buttonMask);
- } else if (k) {
- vncThread.keyEvent(k, 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() << "'.";
+ 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);
+ }
}
void VncView::unpressModifiers()
void VncView::clipboardSelectionChanged()
{
- kDebug(5011);
+ //kDebug(5011);
if (m_status != Connected)
return;
void VncView::clipboardDataChanged()
{
- kDebug(5011);
+ //kDebug(5011);
if (m_status != Connected)
return;
//fake key events
void VncView::sendKey(Qt::Key key)
{
- rfbKeySym k = 0;
- if(key == Qt::Key_Escape)
+ //convert Qt::Key into x11 keysym
+ int k = 0;
switch(key) {
case Qt::Key_Escape:
k = 0xff1b;
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) << "unhandled Qt::Key value " << key;
+ kDebug(5011) << "sendKey(): Unhandled Qt::Key value " << key;
return;
}
- vncThread.keyEvent(k, true);
- vncThread.keyEvent(k, false);
+ 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)));
+}
+
+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();
+}
+
+//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
+
+ //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);
+ }
}
+
#include "moc_vncview.cpp"