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TestVncWidget.cpp
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TestVncWidget.cpp
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/***********************************************************************
TestVncWidget - Simple Vrui application to test VncWidget.
Copyright (c) 2007,2008 Voltaic
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.,
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
***********************************************************************/
#include <stdlib.h>
#include <iostream>
#include <Geometry/OrthogonalTransformation.h>
#include <GLMotif/RowColumn.h>
#include <GLMotif/StyleSheet.h>
#include "TestVncWidget.h"
namespace Voltaic {
//----------------------------------------------------------------------
TestVncWidget::TestVncWidget(int& argc, char**& argv, char**& appDefaults) :
Vrui::Application(argc, argv, appDefaults),
GLObject(),
VncManager::MessageManager(),
VncManager::PasswordRetrievalThunk(),
rfbProtocolStartupData(),
scaleToEnvironment(true),
popupWindow(0),
vncWidget(0)
{
// Parse the command line:
for (int i = 1; i < argc; ++i)
{
if (argv[i][0] == '-')
{
if (strcasecmp(argv[i]+1, "host") == 0)
{
i++;
rfbProtocolStartupData.desktopHost = argv[i++];
rfbProtocolStartupData.initViaConnect = true;
}
else if (strcasecmp(argv[i]+1, "port") == 0)
{
i++;
rfbProtocolStartupData.rfbPort = atoi(argv[i++]);
}
else if (strcasecmp(argv[i]+1, "encodings") == 0)
{
i++;
rfbProtocolStartupData.requestedEncodings = argv[i++];
}
else if (strcasecmp(argv[i]+1, "shared") == 0)
{
i++;
rfbProtocolStartupData.sharedDesktopFlag = true;
}
else
{
std::cout << "Unrecognized switch " << argv[i] << std::endl;
}
}
}
// Initialize Vrui navigation transformation:
centerDisplayCallback(0);
// Create the popup window with the VncWidget in it
popupWindow = new GLMotif::PopupWindow("VncWidgetTestWindow", Vrui::getWidgetManager(), "VncWidget Test");
GLMotif::RowColumn* const dialog = new GLMotif::RowColumn("dialog", popupWindow, false);
vncWidget = new VncWidget(*this, *this, !Vrui::isMaster(), Vrui::openPipe(), true, "VncWidget", dialog, false); // Note: vncWidget is owned by (a descendent of) popupWindow
vncWidget->setBorderType(GLMotif::Widget::RAISED);
const GLfloat uiSize = vncWidget->getStyleSheet()->size;
vncWidget->setDisplaySizeMultipliers(uiSize/10.0, uiSize/10.0);
vncWidget->manageChild();
dialog->manageChild();
Vrui::popupPrimaryWidget(popupWindow, Vrui::getNavigationTransformation().transform(Vrui::getDisplayCenter()));
}
TestVncWidget::~TestVncWidget()
{
// Note: vncWidget is owned by (a descendent of) popupWindow
if (popupWindow)
{
Vrui::popdownPrimaryWidget(popupWindow);
delete popupWindow;
}
}
void TestVncWidget::initContext(GLContextData& contextData) const
{
if (vncWidget)
vncWidget->startup(rfbProtocolStartupData);
}
void TestVncWidget::frame()
{
GLMotif::Box exteriorPriorToUpdates;
if (popupWindow)
exteriorPriorToUpdates = popupWindow->getExterior();
if (vncWidget)
(void)vncWidget->checkForUpdates();
// Preserve position of upper-left corner of dialog:
if (popupWindow)
{
const GLfloat priorUpperLeftYPos = exteriorPriorToUpdates.origin[1] + exteriorPriorToUpdates.size[1];
GLMotif::Box exterior = popupWindow->getExterior();
exterior.origin[1] = priorUpperLeftYPos - exterior.size[1];
popupWindow->resize(exterior);
}
Vrui::requestUpdate();
}
void TestVncWidget::display(GLContextData& contextData) const
{
// nothing...
}
void TestVncWidget::centerDisplayCallback(Misc::CallbackData* cbData)
{
static const float dist = 400;
if (scaleToEnvironment)
{
// Center the model in the available display space:
Vrui::setNavigationTransformation(Vrui::Point::origin, Vrui::Scalar(3.0*dist));
}
else
{
// Center the model in the available display space, but do not scale it:
Vrui::NavTransform nav = Vrui::NavTransform::identity;
nav *= Vrui::NavTransform::translateFromOriginTo(Vrui::getDisplayCenter());
nav *= Vrui::NavTransform::scale(Vrui::Scalar(8)*Vrui::getInchFactor() / Vrui::Scalar(dist));
Vrui::setNavigationTransformation(nav);
}
}
//----------------------------------------------------------------------
// VncManager::MessageManager methods
void TestVncWidget::internalErrorMessage(const char* where, const char* message)
{
fprintf(stderr, "*** TestVncWidget: internal error at %s: %s", where, message);
perror("; errno");
}
void TestVncWidget::errorMessage(const char* where, const char* message)
{
fprintf(stderr, "*** TestVncWidget: %s: %s", where, message);
perror("; errno");
}
void TestVncWidget::errorMessageFromServer(const char* where, const char* message)
{
// Note: a malicious message from the server won't hurt us here, i.e., there
// are no known injection attacks for the way we're handling this message....
this->errorMessage(where, message);
}
void TestVncWidget::infoServerInitStarted()
{
fprintf(stderr, "TestVncWidget info: RFB protocol: server init started\n");
}
void TestVncWidget::infoProtocolVersion(int serverMajorVersion, int serverMinorVersion, int clientMajorVersion, int clientMinorVersion)
{
fprintf(stderr, "TestVncWidget info: RFB protocol version: server:%03d.%03d, client: %03d.%03d\n", (int)serverMajorVersion, (int)serverMinorVersion, (int)clientMajorVersion, (int)clientMinorVersion);
}
void TestVncWidget::infoAuthenticationResult(bool succeeded, rfbCARD32 authScheme, rfbCARD32 authResult)
{
fprintf(stderr, "TestVncWidget info: RFB protocol: authentication result: succeeded = %d, authScheme = %ld, authResult = %ld\n", (int)succeeded, (long)authScheme, (long)authResult);
}
void TestVncWidget::infoServerInitCompleted(bool succeeded)
{
fprintf(stderr, "TestVncWidget info: RFB protocol: server init completed: succeeded = %d\n", (int)succeeded);
}
void TestVncWidget::infoDesktopSizeReceived(rfbCARD16 newWidth, rfbCARD16 newHeight)
{
fprintf(stderr, "TestVncWidget info: RFB protocol: DesktopSize received: %ldx%ld\n", (long)newWidth, (long)newHeight);
}
void TestVncWidget::infoCloseStarted()
{
fprintf(stderr, "TestVncWidget info: RFB protocol: close started\n");
}
void TestVncWidget::infoCloseCompleted()
{
fprintf(stderr, "TestVncWidget info: RFB protocol: close completed\n");
}
//----------------------------------------------------------------------
// VncManager::PasswordRetrievalThunk method
void TestVncWidget::getPassword(VncManager::PasswordRetrievalCompletionThunk& passwordRetrievalCompletionThunk)
{
passwordRetrievalCompletionThunk.postPassword(getpass("Enter VNC password:"));
}
} // end of namespace Voltaic
//----------------------------------------------------------------------
int main(int argc, char* argv[])
{
try
{
// Create the Vrui application object:
char** appDefaults = 0;
Voltaic::TestVncWidget app(argc, argv, appDefaults);
// Run the Vrui application:
app.run();
// Return to the OS:
return 0;
}
catch(std::runtime_error err)
{
// Print an error message and return to the OS:
std::cerr << "Exception: " << err.what() << std::endl;
return 1;
}
}