Initial commit of new FLTK based vncviewer. Most of the code comes from the
current Unix vncviewer.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4345 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/vncviewer/vncviewer.cxx b/vncviewer/vncviewer.cxx
new file mode 100644
index 0000000..a6244cb
--- /dev/null
+++ b/vncviewer/vncviewer.cxx
@@ -0,0 +1,250 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ * Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ *
+ * This 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 software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <signal.h>
+#include <locale.h>
+#include <sys/stat.h>
+
+#ifdef WIN32
+#include <direct.h>
+#define mkdir(path, mode) _mkdir(path)
+#endif
+
+#include <os/os.h>
+#include <rfb/Logger_stdio.h>
+#include <rfb/SecurityClient.h>
+#include <rfb/Security.h>
+#ifdef HAVE_GNUTLS
+#include <rfb/CSecurityTLS.h>
+#endif
+#include <rfb/LogWriter.h>
+#include <rfb/Timer.h>
+#include <network/TcpSocket.h>
+
+#include <FL/Fl.H>
+#include <FL/Fl_Widget.H>
+#include <FL/fl_ask.H>
+
+#include "i18n.h"
+#include "parameters.h"
+#include "CConn.h"
+#include "UserDialog.h"
+
+rfb::LogWriter vlog("main");
+
+using namespace network;
+using namespace rfb;
+using namespace std;
+
+char aboutText[1024];
+
+static bool exitMainloop = false;
+
+void exit_vncviewer()
+{
+ exitMainloop = true;
+}
+
+static void CleanupSignalHandler(int sig)
+{
+ // CleanupSignalHandler allows C++ object cleanup to happen because it calls
+ // exit() rather than the default which is to abort.
+ vlog.info("CleanupSignalHandler called");
+ exit(1);
+}
+
+static void init_fltk()
+{
+ // Basic text size (10pt @ 96 dpi => 13px)
+ FL_NORMAL_SIZE = 13;
+
+#ifndef __APPLE__
+ // Select a FLTK scheme and background color that looks somewhat
+ // close to modern Linux and Windows.
+ Fl::scheme("gtk+");
+ Fl::background(220, 220, 220);
+#else
+ // On Mac OS X there is another scheme that fits better though.
+ Fl::scheme("plastic");
+#endif
+
+ // This makes the "icon" in dialogs rounded, which fits better
+ // with the above schemes.
+ fl_message_icon()->box(FL_UP_BOX);
+
+ // Turn off the annoying behaviour where popups track the mouse.
+ fl_message_hotspot(false);
+
+ // Avoid empty titles for popups
+ fl_message_title_default(_("TigerVNC Viewer"));
+
+#ifdef WIN32
+ // Most "normal" Windows apps use this font for UI elements.
+ Fl::set_font(FL_HELVETICA, "Tahoma");
+#endif
+
+ // FLTK exposes these so that we can translate them.
+ fl_no = _("No");
+ fl_yes = _("Yes");
+ fl_ok = _("OK");
+ fl_cancel = _("Cancel");
+ fl_close = _("Close");
+}
+
+static void mkvnchomedir()
+{
+ // Create .vnc in the user's home directory if it doesn't already exist
+ char* homeDir = NULL;
+
+ if (getvnchomedir(&homeDir) == -1) {
+ vlog.error(_("Could not create VNC home directory: can't obtain home "
+ "directory path."));
+ } else {
+ int result = mkdir(homeDir, 0755);
+ if (result == -1 && errno != EEXIST)
+ vlog.error(_("Could not create VNC home directory: %s."), strerror(errno));
+ delete [] homeDir;
+ }
+}
+
+static void usage(const char *programName)
+{
+ fprintf(stderr,
+ "\nusage: %s [parameters] [host:displayNum] [parameters]\n"
+ " %s [parameters] -listen [port] [parameters]\n",
+ programName, programName);
+ fprintf(stderr,"\n"
+ "Parameters can be turned on with -<param> or off with -<param>=0\n"
+ "Parameters which take a value can be specified as "
+ "-<param> <value>\n"
+ "Other valid forms are <param>=<value> -<param>=<value> "
+ "--<param>=<value>\n"
+ "Parameter names are case-insensitive. The parameters are:\n\n");
+ Configuration::listParams(79, 14);
+ exit(1);
+}
+
+int main(int argc, char** argv)
+{
+ char* vncServerName = 0;
+ UserDialog dlg;
+
+ const char englishAbout[] = N_("TigerVNC Viewer version %s\n"
+ "Copyright (C) 2002-2005 RealVNC Ltd.\n"
+ "Copyright (C) 2000-2006 TightVNC Group\n"
+ "Copyright (C) 2004-2009 Peter Astrand for Cendio AB\n"
+ "See http://www.tigervnc.org for information on TigerVNC.");
+
+ setlocale(LC_ALL, "");
+ bindtextdomain(PACKAGE_NAME, LOCALEDIR);
+ textdomain(PACKAGE_NAME);
+
+ rfb::SecurityClient::setDefaults();
+
+ // Write about text to console, still using normal locale codeset
+ snprintf(aboutText, sizeof(aboutText),
+ gettext(englishAbout), PACKAGE_VERSION);
+ fprintf(stderr,"\n%s\n", aboutText);
+
+ // Set gettext codeset to what our GUI toolkit uses. Since we are
+ // passing strings from strerror/gai_strerror to the GUI, these must
+ // be in GUI codeset as well.
+ bind_textdomain_codeset(PACKAGE_NAME, "UTF-8");
+ bind_textdomain_codeset("libc", "UTF-8");
+
+ // Re-create the aboutText for the GUI, now using GUI codeset
+ snprintf(aboutText, sizeof(aboutText),
+ gettext(englishAbout), PACKAGE_VERSION);
+
+ rfb::initStdIOLoggers();
+ rfb::LogWriter::setLogParams("*:stderr:30");
+
+#ifdef SIGHUP
+ signal(SIGHUP, CleanupSignalHandler);
+#endif
+ signal(SIGINT, CleanupSignalHandler);
+ signal(SIGTERM, CleanupSignalHandler);
+
+ init_fltk();
+
+ Configuration::enableViewerParams();
+
+ for (int i = 1; i < argc; i++) {
+ if (Configuration::setParam(argv[i]))
+ continue;
+
+ if (argv[i][0] == '-') {
+ if (i+1 < argc) {
+ if (Configuration::setParam(&argv[i][1], argv[i+1])) {
+ i++;
+ continue;
+ }
+ }
+ usage(argv[0]);
+ }
+
+ vncServerName = argv[i];
+ }
+
+ if (!::autoSelect.hasBeenSet()) {
+ // Default to AutoSelect=0 if -PreferredEncoding or -FullColor is used
+ ::autoSelect.setParam(!::preferredEncoding.hasBeenSet() &&
+ !::fullColour.hasBeenSet() &&
+ !::fullColourAlias.hasBeenSet());
+ }
+ if (!::fullColour.hasBeenSet() && !::fullColourAlias.hasBeenSet()) {
+ // Default to FullColor=0 if AutoSelect=0 && LowColorLevel is set
+ if (!::autoSelect && (::lowColourLevel.hasBeenSet() ||
+ ::lowColourLevelAlias.hasBeenSet())) {
+ ::fullColour.setParam(false);
+ }
+ }
+ if (!::customCompressLevel.hasBeenSet()) {
+ // Default to CustomCompressLevel=1 if CompressLevel is used.
+ ::customCompressLevel.setParam(::compressLevel.hasBeenSet());
+ }
+
+ mkvnchomedir();
+
+ CSecurity::upg = &dlg;
+#ifdef HAVE_GNUTLS
+ CSecurityTLS::msg = &dlg;
+#endif
+
+ CConn cc(vncServerName);
+
+ while (!exitMainloop) {
+ int next_timer;
+
+ next_timer = Timer::checkTimeouts();
+ if (next_timer == 0)
+ next_timer = INT_MAX;
+
+ if (Fl::wait((double)next_timer / 1000.0) < 0.0) {
+ vlog.error(_("Internal FLTK error. Exiting."));
+ break;
+ }
+ }
+
+ return 0;
+}