HelpTool.cpp

#include "HelpTool.h"
 
#include <QAction>
#include <QApplication>
#include <QMenu>
#include <QString>
#include <QToolBar>
#include <QWhatsThis>
 
#include "IException.h"
#include "MainWindow.h"
#include "Workspace.h"
#include "Preference.h"
#include "ProgramLauncher.h"
 
 
namespace Isis {
  // Constructor
  HelpTool::HelpTool(QWidget *parent) : Tool(parent) {
    p_whatsThis = new QAction(parent);
    p_whatsThis->setShortcut(Qt::SHIFT + Qt::Key_F1);
    p_whatsThis->setText("&What's This?");
    p_whatsThis->setIcon(QPixmap(toolIconDir() + "/contexthelp.png"));
    p_whatsThis->setToolTip("What's This");
    QString whatsThis =
      "<b>Function:</b> Use this to get longer descriptions of button \
      functions \
      <p><b>Shortcut:</b> Shift+F1</p>";
    p_whatsThis->setWhatsThis(whatsThis);
    connect(p_whatsThis, SIGNAL(triggered()), this, SLOT(whatsThis()));
 
    p_aboutProgram = new QAction(parent);
    p_aboutProgram->setShortcut(Qt::CTRL + Qt::Key_H);
    QString s = "About ";
    s += QApplication::applicationName();
    p_aboutProgram->setText(s);
    connect(p_aboutProgram, SIGNAL(triggered()), this, SLOT(aboutProgram()));
 
  }
 
  // Add actions to the Help menu
  void HelpTool::addTo(QMenu *menu) {
    menu->addAction(p_whatsThis);
    menu->addAction(p_aboutProgram);
  }
 
  void HelpTool::addToPermanent(QToolBar *perm) {
    perm->addAction(p_whatsThis);
  }
 
  // The user pressed the whatsThis button so do something
  void HelpTool::whatsThis() {
    QWhatsThis::enterWhatsThisMode();
  }
 
 
  void HelpTool::aboutProgram() {
    PvlGroup &uig = Preference::Preferences().findGroup("UserInterface");
#if defined(__linux__)
    QString command = (QString) uig["GuiHelpBrowser"] +
                      " http://isis.astrogeology.usgs.gov/Application/presentation/Tabbed/" +
                      QApplication::applicationName() + "/" +
                      QApplication::applicationName() + ".html";
#elif defined(__APPLE__)
    QString command = "open -a" + (QString) uig["GuiHelpBrowser"] +
                      " http://isis.astrogeology.usgs.gov/Application/presentation/Tabbed/" +
                      QApplication::applicationName() + "/" +
                      QApplication::applicationName() + ".html";
#endif
    ProgramLauncher::RunSystemCommand(command);
  }
}