+/*
+ Presence VNC
+ Copyright (C) 2010 Christian Pulvermacher
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include "connectdialog.h"
+#include "fullscreenexitbutton.h"
+#include "keymenu.h"
#include "mainwindow.h"
#include "preferences.h"
+#include "scrollarea.h"
#include "vncview.h"
+#ifdef Q_WS_MAEMO_5
#include <QtMaemo5>
#include <QX11Info>
#include <X11/Xlib.h>
#include <X11/Xatom.h>
+#endif
-#include <iostream>
MainWindow::MainWindow(QString url, int quality):
QMainWindow(0),
vnc_view(0),
- scroll_area(new QScrollArea(0))
+ scroll_area(new ScrollArea(0)),
+ key_menu(new KeyMenu(this))
{
setWindowTitle("Presence VNC");
-// swipe_start = QPoint(0,0);
+ setContextMenuPolicy(Qt::NoContextMenu);
+#ifdef Q_WS_MAEMO_5
setAttribute(Qt::WA_Maemo5StackedWindow);
- QSettings settings;
+#endif
+
+ migrateConfiguration();
//set up toolbar
toolbar = new QToolBar(0);
- toolbar->setAttribute(Qt::WA_InputMethodEnabled, true);
- toolbar->addAction("Mod", this, SLOT(showModifierMenu()));
- toolbar->addAction("Tab", this, SLOT(sendTab()));
- toolbar->addAction("Esc", this, SLOT(sendEsc()));
- toolbar->addAction("PgUp", this, SLOT(sendPgUp()));
- toolbar->addAction("PgDn", this, SLOT(sendPgDn()));
- toolbar->addAction("IM", toolbar, SLOT(setFocus())); //doesn't work
+ toolbar->addAction(QChar(0x2026), this, SLOT(showKeyMenu())); //"..." button
+ toolbar->addAction(tr("Tab"), this, SLOT(sendTab()));
+ toolbar->addAction(tr("Esc"), this, SLOT(sendEsc()));
+ toolbar->addAction(tr("PgUp"), this, SLOT(sendPgUp()));
+ toolbar->addAction(tr("PgDn"), this, SLOT(sendPgDn()));
+#ifdef Q_WS_MAEMO_5
+ toolbar->addAction(QIcon("/usr/share/icons/hicolor/48x48/hildon/chat_enter.png"), "", this, SLOT(sendReturn()));
+ toolbar->addAction(QIcon("/usr/share/icons/hicolor/48x48/hildon/control_keyboard.png"), "", this, SLOT(showInputPanel()));
+#endif
+
+ QSettings settings;
+ zoom_slider = new QSlider(Qt::Horizontal, 0);
+ zoom_slider->setRange(0, 100);
+ connect(zoom_slider, SIGNAL(valueChanged(int)),
+ this, SLOT(setZoomLevel(int)));
+ connect(zoom_slider, SIGNAL(sliderReleased()),
+ this, SLOT(zoomSliderReleased()));
+ zoom_slider->setValue(settings.value("zoomlevel", 95).toInt());
+ toolbar->addWidget(zoom_slider);
+
toolbar->addAction(QIcon("/usr/share/icons/hicolor/48x48/hildon/general_fullsize.png"), "", this, SLOT(toggleFullscreen()));
addToolBar(toolbar);
toolbar->setVisible(settings.value("show_toolbar", true).toBool());
+ toolbar->setEnabled(false);
//set up menu
- QMenuBar *menu = new QMenuBar(this);
- QAction *connect_action = new QAction("Connect", this);
- disconnect_action = new QAction("Disconnect", this);
- menu->addAction(connect_action);
- menu->addAction(disconnect_action);
- scaling = new QAction("Rescale Remote Screen", this);
- scaling->setCheckable(true);
- scaling->setChecked(settings.value("rescale", true).toBool());
- menu->addAction(scaling);
- QAction *show_toolbar = new QAction("Show Toolbar", this);
+ QAction *connect_action = new QAction(tr("Connect"), this);
+ disconnect_action = new QAction(tr("Disconnect"), this);
+ show_toolbar = new QAction(tr("Show Toolbar"), this);
show_toolbar->setCheckable(true);
show_toolbar->setChecked(settings.value("show_toolbar", true).toBool());
- menu->addAction(show_toolbar);
- QAction *pref_action = new QAction("Preferences", this);
- menu->addAction(pref_action);
- QAction *about_action = new QAction("About", this);
- menu->addAction(about_action);
-
- //menu->setAttribute(Qt::WA_Maemo5StackedWindow);
- //menu->hide();
+ QAction *pref_action = new QAction(tr("Preferences"), this);
+ QAction *about_action = new QAction(tr("About"), this);
+
+#ifdef Q_WS_MAEMO_5
+ menuBar()->addAction(connect_action);
+ menuBar()->addAction(disconnect_action);
+ menuBar()->addAction(show_toolbar);
+ menuBar()->addAction(pref_action);
+ menuBar()->addAction(about_action);
+#else
+ QMenu* session_menu = menuBar()->addMenu(tr("&Session"));
+ session_menu->addAction(connect_action);
+ session_menu->addAction(disconnect_action);
+ session_menu->addSeparator();
+ session_menu->addAction(pref_action);
+ session_menu->addSeparator();
+ session_menu->addAction(tr("&Quit"), this, SLOT(close()));
+
+ QMenu* view_menu = menuBar()->addMenu(tr("&View"));
+ view_menu->addAction(show_toolbar);
+
+ QMenu* help_menu = menuBar()->addMenu(tr("&Help"));
+ help_menu->addAction(about_action);
+#endif
connect(about_action, SIGNAL(triggered()),
this, SLOT(about()));
connect(pref_action, SIGNAL(triggered()),
this, SLOT(showPreferences()));
connect(connect_action, SIGNAL(triggered()),
- this, SLOT(connectDialog()));
+ this, SLOT(showConnectDialog()));
connect(disconnect_action, SIGNAL(triggered()),
this, SLOT(disconnectFromHost()));
connect(show_toolbar, SIGNAL(toggled(bool)),
toolbar, SLOT(setVisible(bool)));
connect(show_toolbar, SIGNAL(toggled(bool)),
- this, SLOT(forceResizeDelayed()));
+ this, SLOT(updateScreenSpaceDelayed()));
setCentralWidget(scroll_area);
+ new FullScreenExitButton(this);
grabZoomKeys(true);
reloadSettings();
- connect(QApplication::desktop(), SIGNAL(resized(int)),
- this, SLOT(forceResize()));
-
if(url.isNull()) {
disconnect_action->setEnabled(false);
- toolbar->setEnabled(false);
- connectDialog();
+ showConnectDialog();
} else {
- vnc_view = new VncView(0, url, RemoteView::Quality(quality));
- connect(scaling, SIGNAL(toggled(bool)),
- vnc_view, SLOT(enableScaling(bool)));
+ vnc_view = new VncView(this, url, RemoteView::Quality(quality));
connect(vnc_view, SIGNAL(statusChanged(RemoteView::RemoteStatus)),
this, SLOT(statusChanged(RemoteView::RemoteStatus)));
scroll_area->setWidget(vnc_view);
vnc_view->start();
- vnc_view->enableScaling(scaling->isChecked());
}
}
void MainWindow::grabZoomKeys(bool grab)
{
+#ifdef Q_WS_MAEMO_5
unsigned long val = (grab)?1:0;
Atom atom = XInternAtom(QX11Info::display(), "_HILDON_ZOOM_KEY_ATOM", False);
if(!atom) {
}
XChangeProperty(QX11Info::display(), winId(), atom, XA_INTEGER,
32, PropModeReplace, reinterpret_cast<unsigned char *>(&val), 1);
+#endif
}
void MainWindow::closeEvent(QCloseEvent*) {
grabZoomKeys(false);
QSettings settings;
- settings.setValue("show_toolbar", toolbar->isVisible());
- settings.setValue("rescale", scaling->isChecked());
+ settings.setValue("show_toolbar", show_toolbar->isChecked());
+ settings.setValue("zoomlevel", zoom_slider->value());
settings.sync();
hide();
void MainWindow::about() {
QMessageBox::about(this, tr("About Presence VNC"),
- tr("<center><h1>Presence VNC 0.1 beta</h1>\
-A touch screen friendly VNC client\
-<small><p>©2010 Christian Pulvermacher <pulvermacher@gmx.de></p>\
-<p>Based on KRDC, © 2007-2008 Urs Wolfer</small></center>\
-<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>"));
+ tr("<center><h1>Presence VNC 0.7</h1>\
+<p>A touchscreen friendly VNC client</p>\
+<p><a href=\"https://garage.maemo.org/projects/presencevnc/\">https://garage.maemo.org/projects/presencevnc</a></p></center>\
+<small><p>©2010 Christian Pulvermacher <pulvermacher@gmx.de><br />\
+Based on KRDC, © 2007-2008 Urs Wolfer<br />\
+and LibVNCServer, © 2001-2003 Johannes E. Schindelin</p>\
+<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>"));
}
-/* swipe not used, and doesn't work without scaling anyway :/
-virtual bool event(QEvent *event) {
- if(event->type() == QEvent::MouseMove) {
- QMouseEvent *ev = dynamic_cast<QMouseEvent* >(event);
- if(!swipe_start.isNull()) {
- QPoint diff = swipe_start - ev->pos();
- const int swipe_dist = 60;
- if(diff.x() > swipe_dist and diff.y() < swipe_dist and diff.y() > -swipe_dist) { //
- menu->show();
- swipe_start = QPoint(0,0);
- }
- } else if((width() - ev->x()) < 10) {
- swipe_start = ev->pos();
- }
- std::cout << "mousex: " << width() - ev->x() << "\n";
- //TODO: make scrolling over border result in wheel events? i get weird (out of range) mouse events when that happens
- return true;
- } else if(event->type() == QEvent::MouseButtonRelease) {
- swipe_start = QPoint(0,0);
- return true;
- } else {
-// std::cout << "event " << event->type() << "\n";
- return QScrollArea::event(event);
- }
+void MainWindow::showConnectDialog()
+{
+ ConnectDialog *connect_dialog = new ConnectDialog(this);
+ connect(connect_dialog, SIGNAL(connectToHost(QString, int, int)),
+ this, SLOT(connectToHost(QString, int, int)));
+ connect_dialog->exec();
}
-*/
-void MainWindow::connectDialog()
+void MainWindow::connectToHost(QString url, int quality, int listen_port)
{
- QSettings settings;
- QString url = QInputDialog::getText(this, "Connect to Host", "VNC Server:", QLineEdit::Normal, settings.value("last_hostname", "").toString());
- if(url.isEmpty()) { //dialog dismissed or nothing entered
- return;
- }
- settings.setValue("last_hostname", url);
- url = "vnc://" + url;
-
disconnectFromHost();
- vnc_view = new VncView(0, url, RemoteView::Quality(2)); //TODO: get quality in dialog
- scroll_area->setWidget(vnc_view);
+ vnc_view = new VncView(this, url, RemoteView::Quality(quality), listen_port);
- connect(scaling, SIGNAL(toggled(bool)),
- vnc_view, SLOT(enableScaling(bool)));
connect(vnc_view, SIGNAL(statusChanged(RemoteView::RemoteStatus)),
this, SLOT(statusChanged(RemoteView::RemoteStatus)));
+ scroll_area->setWidget(vnc_view);
vnc_view->start();
- vnc_view->enableScaling(scaling->isChecked());
+
disconnect_action->setEnabled(true);
- toolbar->setEnabled(true);
+
+ //reset key menu
+ delete key_menu;
+ key_menu = new KeyMenu(this);
}
void MainWindow::disconnectFromHost()
if(!vnc_view)
return;
- vnc_view->startQuitting();
+ disconnect_action->setEnabled(false);
+ toolbar->setEnabled(false);
scroll_area->setWidget(0);
- vnc_view->disconnect(); //remove all connections
delete vnc_view;
vnc_view = 0;
- disconnect_action->setEnabled(false);
- toolbar->setEnabled(false);
}
void MainWindow::statusChanged(RemoteView::RemoteStatus status)
switch(status) {
case RemoteView::Connecting:
+#ifdef Q_WS_MAEMO_5
setAttribute(Qt::WA_Maemo5ShowProgressIndicator, true);
+#endif
break;
case RemoteView::Connected:
+#ifdef Q_WS_MAEMO_5
setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
+#endif
+ toolbar->setEnabled(true);
+
+ vnc_view->setZoomLevel(zoom_slider->value());
+ vnc_view->forceFullRepaint();
break;
case RemoteView::Disconnecting:
- if(old_status != RemoteView::Disconnected) { //Disconnecting also occurs while connecting, so check last state
- QMaemo5InformationBox::information(this, "Connection lost");
- }
+ if(old_status == RemoteView::Disconnected) //Disconnecting also occurs while connecting, so check last state
+ break;
+
+ if(disconnect_action->isEnabled()) //don't show when manually disconnecting
+ scroll_area->showMessage(tr("Connection lost"));
+
+ //clean up
+ scroll_area->setWidget(0);
+ vnc_view = 0;
+ disconnect_action->setEnabled(false);
+ toolbar->setEnabled(false);
+
+ //exit fullscreen mode
+ if(windowState() & Qt::WindowFullScreen)
+ setWindowState(windowState() ^ Qt::WindowFullScreen);
break;
case RemoteView::Disconnected:
+#ifdef Q_WS_MAEMO_5
setAttribute(Qt::WA_Maemo5ShowProgressIndicator, false);
+#endif
if(old_status == RemoteView::Disconnecting) {
scroll_area->setWidget(0); //remove widget
}
break;
+ default: //avoid compiler warnings
+ break;
}
old_status = status;
}
-//when rescaling is enabled, this resizes the widget to use available screen space
+void MainWindow::forceRepaint()
+{
+ if(vnc_view)
+ vnc_view->forceFullRepaint();
+}
+
+//updates available screen space for current zoom level
//necessary when rotating, showing fullscreen, etc.
-void MainWindow::forceResize()
+void MainWindow::updateScreenSpace()
{
- if(vnc_view and scaling->isChecked()) {
- vnc_view->resize(scroll_area->size());
+ if(vnc_view) {
+ vnc_view->setZoomLevel();
}
}
-void MainWindow::forceResizeDelayed()
+void MainWindow::updateScreenSpaceDelayed()
{
- QTimer::singleShot(500, this, SLOT(forceResize()));
+ QTimer::singleShot(500, this, SLOT(updateScreenSpace()));
}
void MainWindow::toggleFullscreen()
{
+ bool in_fullscreen = windowState() & Qt::WindowFullScreen;
+
+ //hide menu/toolbar in fullscreen (new state is !in_fullscreen)
+ toolbar->setVisible(show_toolbar->isChecked() and in_fullscreen);
+
+#ifndef Q_WS_MAEMO_5
+ //menu bar is invisible by default on maemo
+ menuBar()->setVisible(in_fullscreen);
+#endif
+
setWindowState(windowState() ^ Qt::WindowFullScreen);
- forceResizeDelayed();
+ updateScreenSpaceDelayed();
}
-void MainWindow::showModifierMenu()
+void MainWindow::showKeyMenu()
{
- static QMenu *mod_menu = new QMenu(tr("Modifiers"), this);
- static QAction *win = mod_menu->addAction(tr("Win"));
- static QAction *alt = mod_menu->addAction(tr("Alt"));
- win->setCheckable(true);
- alt->setCheckable(true);
-
- //show menu at top-left corner of toolbar
- QAction *chosen = mod_menu->exec(toolbar->mapToGlobal(QPoint(0,0)));
- if(!chosen) {
- return;
- } else if(chosen == alt) {
- vnc_view->sendKey(Qt::Key_Alt);
- } else if(chosen == win) {
- vnc_view->sendKey(Qt::Key_Meta);
- } else {
- std::cout << "unhandled action?\n";
- }
+ key_menu->exec();
+ vnc_view->sendKeySequence(key_menu->getKeySequence());
}
void MainWindow::showPreferences()
void MainWindow::reloadSettings()
{
+#ifdef Q_WS_MAEMO_5
QSettings settings;
int rotation = settings.value("screen_rotation", 0).toInt();
setAttribute(Qt::WA_Maemo5AutoOrientation, rotation == 0);
setAttribute(Qt::WA_Maemo5LandscapeOrientation, rotation == 1);
setAttribute(Qt::WA_Maemo5PortraitOrientation, rotation == 2);
+#endif
if(vnc_view)
vnc_view->reloadSettings();
}
+
+void MainWindow::resizeEvent(QResizeEvent *event)
+{
+ QMainWindow::resizeEvent(event);
+
+ updateScreenSpace();
+ if(vnc_view)
+ vnc_view->setZoomLevel(zoom_slider->value());
+
+#ifdef Q_WS_MAEMO_5
+ //hide zoom slider in portrait mode
+ zoom_slider->setVisible(height() < width());
+#endif
+}
+
+void MainWindow::showInputPanel()
+{
+#ifdef Q_WS_MAEMO_5
+ //TODO: when hardware keyboard is open, this will only cause the IM to mess up 'real' key events
+ vnc_view->setAttribute(Qt::WA_InputMethodEnabled, true);
+ vnc_view->setInputMethodHints(Qt::ImhNoAutoUppercase); //without this, IM starts with caps lock
+
+ QEvent event(QEvent::RequestSoftwareInputPanel);
+ QApplication::sendEvent(vnc_view, &event);
+#endif
+}
+
+void MainWindow::setZoomLevel(int level)
+{
+ if(!vnc_view)
+ return;
+
+ const qreal old_factor = vnc_view->getZoomFactor();
+ QPoint center = vnc_view->visibleRegion().boundingRect().center();
+
+ vnc_view->setZoomLevel(level);
+
+ const qreal new_factor = vnc_view->getZoomFactor();
+
+ //scroll to center, if zoom level actually changed
+ if(old_factor != new_factor) {
+ center = center * (double(new_factor)/old_factor);
+ scroll_area->ensureVisible(center.x(), center.y(),
+ vnc_view->visibleRegion().boundingRect().width()/2,
+ vnc_view->visibleRegion().boundingRect().height()/2);
+ vnc_view->update();
+
+ scroll_area->showMessage(tr("Zoom: %1\%").arg(qRound(100*new_factor)));
+ }
+}
+
+void MainWindow::zoomSliderReleased()
+{
+ static QTime time;
+ if(!time.isNull() and time.elapsed() < 700) //double clicked
+ zoom_slider->setValue(95); //100%
+ else
+ forceRepaint();
+
+ time.restart();
+}