release 0.5
[presencevnc] / src / vncview.cpp
index 591fb0f..14f5d0a 100644 (file)
 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
@@ -45,6 +52,9 @@ critical(parent, caption, message)
 #define KMOD_Control_L         0x08
 #define KMOD_Shift_L   0x10
 
+//local cursor width/height in px, should be an odd number
+const int cursor_size = 7;
+
 VncView::VncView(QWidget *parent, const KUrl &url, RemoteView::Quality quality)
         : RemoteView(parent),
         m_initDone(false),
@@ -75,7 +85,6 @@ VncView::VncView(QWidget *parent, const KUrl &url, RemoteView::Quality quality)
     connect(m_clipboard, SIGNAL(dataChanged()), this, SLOT(clipboardDataChanged()));
 
     reloadSettings();
-
 }
 
 VncView::~VncView()
@@ -90,7 +99,6 @@ VncView::~VncView()
 
 void VncView::forceFullRepaint()
 {
-       kDebug(5011) << "forceFullRepaint()";
        force_full_repaint = true;
        repaint();
 }
@@ -107,8 +115,6 @@ bool VncView::eventFilter(QObject *obj, QEvent *event)
                 event->type() == QEvent::MouseMove)
             return true;
     }
-    if(event->type() == 200)
-           kDebug(5011) << "eventFilter: 200";
     return RemoteView::eventFilter(obj, event);
 }
 
@@ -216,17 +222,54 @@ void VncView::requestPassword()
         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 {
-        startQuitting();
-    }
+       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)
@@ -246,7 +289,24 @@ 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;
@@ -255,10 +315,13 @@ void VncView::updateImage(int x, int y, int w, int h)
 
     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();
@@ -378,10 +441,10 @@ void VncView::paintEvent(QPaintEvent *event)
                                                                   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;
@@ -398,6 +461,15 @@ void VncView::paintEvent(QPaintEvent *event)
         }
     }
 
+       //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);
+#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);
+       }
+
     RemoteView::paintEvent(event);
 }
 
@@ -476,60 +548,65 @@ void VncView::mouseEventHandler(QMouseEvent *e)
        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() < DOUBLE_TAP_UP_TIME) {
-                       tap_detected = false;
-                       double_tap_detected = true;
+       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) {
+                               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()));
+                       }
 
-                       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);
        }
 
-/* for reference:
-    if (e->type() != QEvent::MouseMove) {
-        if ((e->type() == QEvent::MouseButtonPress)) {
-            if (e->button() & Qt::LeftButton)
-                m_buttonMask |= 0x01;
-            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::LeftButton)
-                m_buttonMask &= 0xfe;
-            if (e->button() & Qt::MidButton)
-                m_buttonMask &= 0xfd;
-            if (e->button() & Qt::RightButton)
-                m_buttonMask &= 0xfb;
-       */
+       //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
+               repaint(old_cursor_x*m_horizontalFactor - cursor_size/2, old_cursor_y*m_verticalFactor - cursor_size/2, cursor_size, cursor_size);
+               //and refresh new one
+               repaint(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)
@@ -543,7 +620,6 @@ void VncView::wheelEventHandler(QWheelEvent *event)
     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);
 }
@@ -566,6 +642,16 @@ void VncView::keyEventHandler(QKeyEvent *e)
 
     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) {
@@ -641,8 +727,6 @@ void VncView::unpressModifiers()
 
 void VncView::clipboardSelectionChanged()
 {
-    kDebug(5011);
-
     if (m_status != Connected)
         return;
 
@@ -656,8 +740,6 @@ void VncView::clipboardSelectionChanged()
 
 void VncView::clipboardDataChanged()
 {
-    kDebug(5011);
-
     if (m_status != Connected)
         return;
 
@@ -672,7 +754,8 @@ void VncView::clipboardDataChanged()
 //fake key events
 void VncView::sendKey(Qt::Key key)
 {
-       int k = 0; //X11 keysym
+       //convert Qt::Key into x11 keysym
+       int k = 0;
        switch(key) {
        case Qt::Key_Escape:
                k = 0xff1b;
@@ -689,12 +772,56 @@ void VncView::sendKey(Qt::Key key)
        case Qt::Key_Return:
                k = 0xff0d;
                break;
-       case Qt::Key_Meta: //TODO: test this.
+       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:
+       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;
@@ -714,19 +841,52 @@ void VncView::sendKey(Qt::Key key)
        }
 }
 
+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();
+
+       bool always_show_local_cursor = settings.value("always_show_local_cursor", false).toBool();
+       if(always_show_local_cursor)
+               showDotCursor(CursorOn);
 }
 
 //convert commitString into keyevents
 void VncView::inputMethodEvent(QInputMethodEvent *event)
 {
        //TODO handle replacements
-       //TODO convert utf8 to X11 keysyms myself, should work with umlauts, kana...
        //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();
@@ -737,7 +897,6 @@ void VncView::inputMethodEvent(QInputMethodEvent *event)
                        kDebug(5011) << "unhandled key";
                        continue;
                }
-               kDebug(5011) << "key: " << int(k);
                vncThread.keyEvent(k, true);
                vncThread.keyEvent(k, false);
        }