3 Copyright (C) 2010 Christian Pulvermacher
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #include "connectdialog.h"
20 #include "fullscreenexitbutton.h"
22 #include "mainwindow.h"
23 #include "preferences.h"
31 #include <X11/Xatom.h>
36 MainWindow::MainWindow(QString url, int quality):
39 scroll_area(new ScrollArea(0)),
42 setWindowTitle("Presence VNC");
44 migrateConfiguration();
48 setAttribute(Qt::WA_Maemo5StackedWindow);
52 toolbar = new QToolBar(0);
53 toolbar->addAction(QChar(0x2026), this, SLOT(showKeyMenu())); //"..." button
54 toolbar->addAction(tr("Tab"), this, SLOT(sendTab()));
55 toolbar->addAction(tr("Esc"), this, SLOT(sendEsc()));
56 toolbar->addAction(tr("PgUp"), this, SLOT(sendPgUp()));
57 toolbar->addAction(tr("PgDn"), this, SLOT(sendPgDn()));
59 toolbar->addAction(QIcon("/usr/share/icons/hicolor/48x48/hildon/chat_enter.png"), "", this, SLOT(sendReturn()));
60 toolbar->addAction(QIcon("/usr/share/icons/hicolor/48x48/hildon/control_keyboard.png"), "", this, SLOT(showInputPanel()));
63 //move remaining buttons to the right
64 QWidget *spacer = new QWidget();
65 spacer->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
66 toolbar->addWidget(spacer);
68 toolbar->addAction(QIcon("/usr/share/icons/hicolor/48x48/hildon/general_fullsize.png"), "", this, SLOT(toggleFullscreen()));
70 toolbar->setVisible(settings.value("show_toolbar", true).toBool());
73 zoombar = new QToolBar(0);
74 zoom_slider = new QSlider(Qt::Horizontal, 0);
75 zoom_slider->setRange(0, 100);
76 connect(zoom_slider, SIGNAL(valueChanged(int)),
77 this, SLOT(setZoomLevel(int)));
78 zoom_slider->setValue(settings.value("zoomlevel", 95).toInt());
79 zoombar->addWidget(zoom_slider);
83 QAction *connect_action = new QAction(tr("Connect"), this);
84 disconnect_action = new QAction(tr("Disconnect"), this);
85 show_toolbar = new QAction(tr("Show Toolbar"), this);
86 show_toolbar->setCheckable(true);
87 show_toolbar->setChecked(settings.value("show_toolbar", true).toBool());
88 QAction *pref_action = new QAction(tr("Preferences"), this);
89 QAction *about_action = new QAction(tr("About"), this);
92 menuBar()->addAction(connect_action);
93 menuBar()->addAction(disconnect_action);
94 menuBar()->addAction(show_toolbar);
95 menuBar()->addAction(pref_action);
96 menuBar()->addAction(about_action);
98 QMenu* session_menu = menuBar()->addMenu(tr("&Session"));
99 session_menu->addAction(connect_action);
100 session_menu->addAction(disconnect_action);
101 session_menu->addSeparator();
102 session_menu->addAction(pref_action);
103 session_menu->addSeparator();
104 session_menu->addAction(tr("&Quit"), this, SLOT(close()));
106 QMenu* view_menu = menuBar()->addMenu(tr("&View"));
107 view_menu->addAction(show_toolbar);
109 QMenu* help_menu = menuBar()->addMenu(tr("&Help"));
110 help_menu->addAction(about_action);
113 connect(about_action, SIGNAL(triggered()),
114 this, SLOT(about()));
115 connect(pref_action, SIGNAL(triggered()),
116 this, SLOT(showPreferences()));
117 connect(connect_action, SIGNAL(triggered()),
118 this, SLOT(showConnectDialog()));
119 connect(disconnect_action, SIGNAL(triggered()),
120 this, SLOT(disconnectFromHost()));
121 connect(show_toolbar, SIGNAL(toggled(bool)),
122 toolbar, SLOT(setVisible(bool)));
123 connect(show_toolbar, SIGNAL(toggled(bool)),
124 this, SLOT(forceResizeDelayed()));
126 setCentralWidget(scroll_area);
127 new FullScreenExitButton(this);
133 disconnect_action->setEnabled(false);
134 toolbar->setEnabled(false);
137 vnc_view = new VncView(this, url, RemoteView::Quality(quality));
138 connect(vnc_view, SIGNAL(statusChanged(RemoteView::RemoteStatus)),
139 this, SLOT(statusChanged(RemoteView::RemoteStatus)));
140 scroll_area->setWidget(vnc_view);
142 key_menu = new KeyMenu(this);
146 void MainWindow::grabZoomKeys(bool grab)
149 unsigned long val = (grab)?1:0;
150 Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
152 qWarning("Couldn't get zoom key atom");
155 XChangeProperty(QX11Info::display(), winId(), atom, XA_INTEGER,
156 32, PropModeReplace, reinterpret_cast<unsigned char *>(&val), 1);
160 void MainWindow::closeEvent(QCloseEvent*) {
164 settings.setValue("show_toolbar", show_toolbar->isChecked());
165 settings.setValue("zoomlevel", zoom_slider->value());
170 disconnectFromHost();
173 void MainWindow::about() {
174 QMessageBox::about(this, tr("About Presence VNC"),
175 tr("<center><h1>Presence VNC 0.6</h1>\
176 <p>A touchscreen friendly VNC client</p>\
177 <p><a href=\"https://garage.maemo.org/projects/presencevnc/\">https://garage.maemo.org/projects/presencevnc</a></p></center>\
178 <small><p>©2010 Christian Pulvermacher <pulvermacher@gmx.de><br />\
179 Based on KRDC, © 2007-2008 Urs Wolfer<br />\
180 and LibVNCServer, © 2001-2003 Johannes E. Schindelin</p>\
181 <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></small>"));
184 void MainWindow::showConnectDialog()
186 ConnectDialog *connect_dialog = new ConnectDialog(this);
187 connect(connect_dialog, SIGNAL(connectToHost(QString, int)),
188 this, SLOT(connectToHost(QString, int)));
189 connect_dialog->exec();
192 void MainWindow::connectToHost(QString url, int quality)
194 disconnectFromHost();
196 vnc_view = new VncView(this, url, RemoteView::Quality(quality));
198 connect(vnc_view, SIGNAL(statusChanged(RemoteView::RemoteStatus)),
199 this, SLOT(statusChanged(RemoteView::RemoteStatus)));
200 scroll_area->setWidget(vnc_view);
202 disconnect_action->setEnabled(true);
203 toolbar->setEnabled(true);
207 key_menu = new KeyMenu(this);
210 void MainWindow::disconnectFromHost()
215 scroll_area->setWidget(0);
219 disconnect_action->setEnabled(false);
220 toolbar->setEnabled(false);
223 void MainWindow::statusChanged(RemoteView::RemoteStatus status)
225 static RemoteView::RemoteStatus old_status = RemoteView::Disconnected;
228 case RemoteView::Connecting:
230 setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
233 case RemoteView::Connected:
235 setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
237 vnc_view->setZoomLevel(zoom_slider->value());
238 vnc_view->forceFullRepaint();
240 case RemoteView::Disconnecting:
241 if(old_status != RemoteView::Disconnected) { //Disconnecting also occurs while connecting, so check last state
243 QMaemo5InformationBox::information(this, tr("Connection lost"));
247 scroll_area->setWidget(0);
249 disconnect_action->setEnabled(false);
250 toolbar->setEnabled(false);
252 //exit fullscreen mode
253 if(windowState() & Qt::WindowFullScreen)
254 setWindowState(windowState() ^ Qt::WindowFullScreen);
257 case RemoteView::Disconnected:
259 setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
261 if(old_status == RemoteView::Disconnecting) {
262 scroll_area->setWidget(0); //remove widget
265 default: //avoid compiler warnings
272 //resizes the widget to use available screen space
273 //necessary when rotating, showing fullscreen, etc.
274 void MainWindow::forceResize()
277 vnc_view->resize(scroll_area->size());
281 void MainWindow::forceResizeDelayed()
283 QTimer::singleShot(500, this, SLOT(forceResize()));
286 void MainWindow::toggleFullscreen()
288 bool in_fullscreen = windowState() & Qt::WindowFullScreen;
290 //hide menu/toolbar in fullscreen (new state is !in_fullscreen)
291 toolbar->setVisible(show_toolbar->isChecked() and in_fullscreen);
294 //menu bar is invisible by default on maemo
295 menuBar()->setVisible(in_fullscreen);
298 setWindowState(windowState() ^ Qt::WindowFullScreen);
299 forceResizeDelayed();
302 void MainWindow::showKeyMenu()
305 vnc_view->sendKeySequence(key_menu->getKeySequence());
308 void MainWindow::showPreferences()
310 Preferences *p = new Preferences(this);
317 void MainWindow::reloadSettings()
321 int rotation = settings.value("screen_rotation", 0).toInt();
322 setAttribute(Qt::WA_Maemo5AutoOrientation, rotation == 0);
323 setAttribute(Qt::WA_Maemo5LandscapeOrientation, rotation == 1);
324 setAttribute(Qt::WA_Maemo5PortraitOrientation, rotation == 2);
328 vnc_view->reloadSettings();
331 void MainWindow::resizeEvent(QResizeEvent *event)
333 QMainWindow::resizeEvent(event);
337 vnc_view->setZoomLevel(zoom_slider->value());
340 void MainWindow::showInputPanel()
343 //TODO: when hardware keyboard is open, this will only cause the IM to mess up 'real' key events
344 vnc_view->setAttribute(Qt::WA_InputMethodEnabled, true);
345 vnc_view->setInputMethodHints(Qt::ImhNoAutoUppercase); //without this, IM starts with caps lock
347 QEvent event(QEvent::RequestSoftwareInputPanel);
348 QApplication::sendEvent(vnc_view, &event);
352 void MainWindow::setZoomLevel(int level)
355 vnc_view->setZoomLevel(level);