git.maemo.org Git - presencevnc/blob - src/mainwindow.cpp

   1
   2 #include "mainwindow.h"
   3 #include "vncview.h"
   4
   5 #include <QX11Info>
   6
   7 #include <X11/Xlib.h>
   8 #include <X11/Xatom.h>
   9
  10 #include <iostream>
  11
  12 MainWindow::MainWindow(QString url, int quality):
  13         QScrollArea(0)
  14 {
  15         swipe_start = QPoint(0,0);
  16         setAttribute(Qt::WA_Maemo5StackedWindow);
  17
  18         //set up menu
  19         QMenuBar *menu = new QMenuBar(this);
  20         QAction *connect_action = new QAction("Connect", this);
  21         disconnect_action = new QAction("Disconnect", this);
  22         scaling = new QAction("Rescale Remote Screen", this);
  23         scaling->setCheckable(true);
  24         scaling->setChecked(true);
  25         menu->addAction(scaling);
  26         QAction *about_action = new QAction("About", this);
  27         menu->addAction(about_action);
  28
  29         //menu->setAttribute(Qt::WA_Maemo5StackedWindow);
  30         //menu->hide();
  31
  32         connect(about_action, SIGNAL(triggered()),
  33                 this, SLOT(about()));
  34         connect(connect_action, SIGNAL(triggered()),
  35                 this, SLOT(connectDialog()));
  36         connect(disconnect_action, SIGNAL(triggered()),
  37                 this, SLOT(disconnectFromHost()));
  38
  39         grabZoomKeys(true);
  40         setAttribute(Qt::WA_Maemo5AutoOrientation, true);
  41         //setAttribute(Qt::WA_Maemo5PortraitOrientation, true);
  42
  43         if(url.isNull()) {
  44                 disconnect_action->setEnabled(false);
  45                 connectDialog();
  46         } else {
  47                 vnc_view = new VncView(0, url, RemoteView::Quality(quality));
  48                 connect(scaling, SIGNAL(toggled(bool)),
  49                         vnc_view, SLOT(enableScaling(bool)));
  50                 setWidget(vnc_view);
  51                 vnc_view->start();
  52         }
  53 }
  54
  55 void MainWindow::grabZoomKeys(bool grab)
  56 {
  57         unsigned long val = (grab)?1:0;
  58         Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
  59         if(!atom) {
  60                 qWarning("Couldn't get zoom key atom");
  61                 return;
  62         }
  63         XChangeProperty(QX11Info::display(), winId(), atom, XA_INTEGER,
  64                 32, PropModeReplace, reinterpret_cast<unsigned char *>(&val), 1);
  65 }
  66
  67 void MainWindow::closeEvent(QCloseEvent*) {
  68         hide();
  69         grabZoomKeys(false);
  70         vnc_view->startQuitting();
  71 }
  72
  73 void MainWindow::about() {
  74         QMessageBox::about(this, tr("About Presence VNC"),
  75                 tr("<center><h1>Presence VNC 0.1 alpha</h1>\
  76 A touch screen friendly VNC client\
  77 <small><p>&copy;2010 Christian Pulvermacher &lt;pulvermacher@gmx.de&gt</p>\
  78 <p>Based on KRDC, &copy; 2007-2008 Urs Wolfer</small></center>\
  79 <p>This program is free software; License: <a href=\"http://www.gnu.org/licenses/gpl-2.0.html\">GNU GPL 2</a> or later.</p>"));
  80 }
  81
  82 /* swipe not used, and doesn't work without scaling anyway :/
  83 virtual bool event(QEvent *event) {
  84         if(event->type() == QEvent::MouseMove) {
  85                 QMouseEvent *ev = dynamic_cast<QMouseEvent* >(event);
  86                 if(!swipe_start.isNull()) {
  87                         QPoint diff = swipe_start - ev->pos();
  88                         const int swipe_dist = 60;
  89                         if(diff.x() > swipe_dist and diff.y() < swipe_dist and diff.y() > -swipe_dist) { //
  90                                 menu->show();
  91                                 swipe_start = QPoint(0,0);
  92                         }
  93                 } else if((width() - ev->x()) < 10) {
  94                         swipe_start = ev->pos();
  95                 }
  96                 std::cout << "mousex: " << width() - ev->x() << "\n";
  97                 //TODO: make scrolling over border result in wheel events? i get weird (out of range) mouse events when that happens
  98                 return true;
  99         } else if(event->type() == QEvent::MouseButtonRelease) {
 100                 swipe_start = QPoint(0,0);
 101                 return true;
 102         } else {
 103 //                      std::cout << "event " << event->type() << "\n";
 104                 return QScrollArea::event(event);
 105         }
 106 }
 107 */
 108
 109 void MainWindow::connectDialog()
 110 {
 111         QString url = QInputDialog::getText(this, "Connect to Host", "VNC Server:");
 112         if(url.isEmpty()) { //dialog dismissed or nothing entered
 113                 return;
 114         }
 115         url = "vnc://" + url;
 116
 117         disconnectFromHost();
 118
 119         vnc_view = new VncView(0, url, RemoteView::Quality(2)); //TODO: get quality in dialog
 120         setWidget(vnc_view);
 121
 122         connect(scaling, SIGNAL(toggled(bool)),
 123                 vnc_view, SLOT(enableScaling(bool)));
 124         vnc_view->start();
 125         disconnect_action->setEnabled(true);
 126 }
 127
 128 void MainWindow::disconnectFromHost()
 129 {
 130         vnc_view->startQuitting();
 131         setWidget(0);
 132
 133         disconnect(scaling, SIGNAL(toggled(bool)),
 134                 vnc_view, SLOT(enableScaling(bool)));
 135         delete vnc_view;
 136         vnc_view = 0;
 137         disconnect_action->setEnabled(false);
 138 }