source: trunk/geant4/interfaces/basic/src/G4UIQt.cc @ 515

// TODO !

//
// ********************************************************************
// * License and Disclaimer                                           *
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// * the Geant4 Collaboration.  It is provided  under  the terms  and *
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// * include a list of copyright holders.                             *
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// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
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// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
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// ********************************************************************
//
//
// $Id: G4UIQt.cc,v 1.14 2007/05/29 11:09:49 $
// GEANT4 tag $Name: geant4-08-01 $
//
// L. Garnier

//#define DEBUG

#ifdef G4UI_BUILD_QT_SESSION

#include "G4Types.hh"

#include <string.h>

#include "G4UIQt.hh"
#include "G4UImanager.hh"
#include "G4StateManager.hh"
#include "G4UIcommandTree.hh"
#include "G4UIcommandStatus.hh"

#include "G4Qt.hh"

#include <QtGui/qapplication.h>
#include <QtGui/qwidget.h>
#include <QtGui/qmenu.h>
#include <QtGui/qmenubar.h>
#include <QtGui/qboxlayout.h>
#include <QtGui/qpushbutton.h>
#include <QtGui/qlabel.h>
#include <QtGui/qsplitter.h>
#include <QtGui/qscrollbar.h>
#include <QtGui/qdialog.h>

#include <stdlib.h>

// Pourquoi Static et non  variables de classe ?
static G4bool exitSession = true;
static G4bool exitPause = true;
/***************************************************************************/
/**
 Build a Qt window with a menubar, output area and promt area 
      +-----------------------+
      |exit menu|             |
      |                       |
      | +-------------------+ |
      | |                   | |
      | |  Output area      | |
      | |                   | |
      | +-------------------+ |
      |     | clear |         |
      | +-------------------+ |
      | |  promt history    | |
      | +-------------------+ |
      | +-------------------+ |
      | |> promt area       | |
      | +-------------------+ |
      +-----------------------+
*/

G4UIQt::G4UIQt (
 int argc,
 char** argv
)
  :fHelpDialog(NULL)

/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  G4Qt* interactorManager = G4Qt::getInstance ();
  G4UImanager* UI = G4UImanager::GetUIpointer();
  if(UI!=NULL) UI->SetSession(this);

  fMainWindow = new QMainWindow();
  fMainWindow->setWindowTitle( "G4UI Session" ); 
  fMainWindow->resize(800,600); 
  fMainWindow->move(QPoint(300,100));

  QSplitter *splitter = new QSplitter(Qt::Vertical);
  fTextArea = new QTextEdit();
  QPushButton *clearButton = new QPushButton("clear");
  connect(clearButton, SIGNAL(clicked()), SLOT(clearButtonCallback()));

  fCommandHistoryArea = new QTextEdit();
  fCommandLabel = new QLabel();

  fCommandArea = new QLineEdit();
  fCommandArea->activateWindow();
  connect(fCommandArea, SIGNAL(returnPressed()), SLOT(commandEnteredCallback()));
  fCommandArea->setFocusPolicy ( Qt::StrongFocus );
  fCommandArea->setFocus(Qt::TabFocusReason);
  fTextArea->setReadOnly(true);
  fCommandHistoryArea->setReadOnly(true);

  

  // Set layouts
  QVBoxLayout *layoutSplitter = new QVBoxLayout;

  QWidget* topWidget = new QWidget();
  QVBoxLayout *layoutTop = new QVBoxLayout;

  QWidget* bottomWidget = new QWidget();
  QVBoxLayout *layoutBottom = new QVBoxLayout;


  layoutTop->addWidget(fTextArea);
  layoutTop->addWidget(clearButton);
  topWidget->setLayout(layoutTop);

  layoutBottom->addWidget(fCommandHistoryArea);
  layoutBottom->addWidget(fCommandLabel);
  layoutBottom->addWidget(fCommandArea);
  bottomWidget->setLayout(layoutBottom);


  layoutSplitter->addWidget(topWidget);
  layoutSplitter->addWidget(bottomWidget);
  splitter->setLayout(layoutSplitter);

  fMainWindow->setCentralWidget(splitter);

  // Add a quit subMenu
  QMenu *fileMenu = fMainWindow->menuBar()->addMenu("File");
  fileMenu->addAction("Quitter", fMainWindow, SLOT(close()));

  // Add a Help menu
  QMenu *helpMenu = fMainWindow->menuBar()->addMenu("Help");
  helpMenu->addAction("Show Help", this, SLOT(showHelpCallback()));

  // Set the splitter size. The fTextArea sould be 2/3 on the fMainWindow
  QList<int> vals = splitter->sizes();
  if(vals.size()==2) {
    vals[0] = (splitter->orientation()==Qt::Vertical ? splitter->height() : splitter->width())*3/4;
    vals[1] = (splitter->orientation()==Qt::Vertical ? splitter->height() : splitter->width())*1/4;
    splitter->setSizes(vals);
  }


  if(UI!=NULL) UI->SetCoutDestination(this);  // TO KEEP
}
/***************************************************************************/
G4UIQt::~G4UIQt(
) 
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{ 
  G4UImanager* UI = G4UImanager::GetUIpointer();  // TO KEEP
  if(UI!=NULL) {  // TO KEEP
    UI->SetSession(NULL);  // TO KEEP
    UI->SetCoutDestination(NULL);  // TO KEEP
  }

  
  if (fMainWindow!=NULL)
    delete fMainWindow;
}
/***************************************************************************/
/*
    Start the Qt main loop
 */
G4UIsession* G4UIQt::SessionStart (
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{

  G4Qt* interactorManager = G4Qt::getInstance ();
  fMainWindow->show();
  Prompt("session");
  exitSession = false;


  printf("disable secondary loop\n");
  interactorManager->DisableSecondaryLoop (); // TO KEEP
  ((QApplication*)interactorManager->GetMainInteractor())->exec(); 
  // on ne passe pas le dessous ? FIXME ????
  // je ne pense pas 13/06

//   void* event; // TO KEEP
//   while((event = interactorManager->GetEvent())!=NULL) {  // TO KEEP
//     interactorManager->DispatchEvent(event); // TO KEEP
//     if(exitSession==true) break; // TO KEEP
//   } // TO KEEP

  interactorManager->EnableSecondaryLoop ();
  printf("enable secondary loop\n");
  return this;
}
/***************************************************************************/

/**
  Display the prompt in the prompt area
 */
void G4UIQt::Prompt (
 G4String aPrompt
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  fCommandLabel->setText((char*)aPrompt.data());
}
/***************************************************************************/
void G4UIQt::SessionTerminate (
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  G4Qt* interactorManager = G4Qt::getInstance ();
  fMainWindow->close();
  ((QApplication*)interactorManager->GetMainInteractor())->exit(); 
}
/***************************************************************************/
void G4UIQt::PauseSessionStart (
 G4String a_state
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  printf("G4UIQt::PauseSessionStart\n");
  if(a_state=="G4_pause> ") {  // TO KEEP
    SecondaryLoop ("Pause, type continue to exit this state"); // TO KEEP
  } // TO KEEP

  if(a_state=="EndOfEvent") { // TO KEEP
    // Picking with feed back in event data Done here !!!
    SecondaryLoop ("End of event, type continue to exit this state"); // TO KEEP
  } // TO KEEP
}
/***************************************************************************/
void G4UIQt::SecondaryLoop (
 G4String a_prompt
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  printf("G4UIQt::SecondaryLoop\n");
  G4Qt* interactorManager = G4Qt::getInstance (); // TO KEEP ?
  Prompt(a_prompt); // TO KEEP
  exitPause = false; // TO KEEP
  void* event; // TO KEEP
  while((event = interactorManager->GetEvent())!=NULL) {  // TO KEEP
    interactorManager->DispatchEvent(event); // TO KEEP
    if(exitPause==true) break; // TO KEEP
  } // TO KEEP
  Prompt("session"); // TO KEEP
}
/***************************************************************************/
/**
  Receive a cout from Geant4. We have to display it in the cout zone
 */
G4int G4UIQt::ReceiveG4cout (
 G4String a_string
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  fTextArea->append(QString((char*)a_string.data()).trimmed());
  fTextArea->verticalScrollBar()->setSliderPosition(fTextArea->verticalScrollBar()->maximum());
  return 0;
}
/***************************************************************************/
/**
  Receive a cerr from Geant4. We have to display it in the cout zone
 */
G4int G4UIQt::ReceiveG4cerr (
 G4String a_string
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  QColor previousColor = fTextArea->textColor();
  fTextArea->setTextColor(Qt::red);
  fTextArea->append(QString((char*)a_string.data()).trimmed());
  fTextArea->setTextColor(previousColor);
  fTextArea->verticalScrollBar()->setSliderPosition(fTextArea->verticalScrollBar()->maximum());
  return 0;
}

/***************************************************************************/
void G4UIQt::AddMenu (
 const char* a_name
,const char* a_label
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  printf("G4UIQt::AddMenu %s %s\n",a_name,a_label);

  //  QMenu *fileMenu = fMainWindow->menuBar()->addMenu(a_label);
  QMenu *fileMenu = new QMenu(a_label);
  fMainWindow->menuBar()->insertMenu(fMainWindow->menuBar()->actions().last(),fileMenu); 
  AddInteractor (a_name,(G4Interactor)fileMenu);
}
/***************************************************************************/
void G4UIQt::AddButton (
 const char* a_menu
,const char* a_label
,const char* a_command
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  if(a_menu==NULL) return; // TO KEEP
  if(a_label==NULL) return; // TO KEEP
  if(a_command==NULL) return; // TO KEEP
  QMenu *parent = (QMenu*)GetInteractor(a_menu);
  if(parent==NULL) return;
  
  signalMapper = new QSignalMapper(this);
  QAction *action = parent->addAction(a_label, signalMapper, SLOT(map()));
  signalMapper->setMapping(action, QString(a_command));
  connect(signalMapper, SIGNAL(mapped(const QString &)),this, SLOT(buttonCallback(const QString&)));
}




/**
  Open the help dialog in a separate window.
  This will be display as a tree widget
  Implementation of <b>void G4VBasicShell::TerminalHelp(G4String newCommand)</b>

  @param newCommand : open the tree widget item on this command if is set
 */
void G4UIQt::TerminalHelp(G4String newCommand)
{


  if (!fHelpDialog) {
    fHelpDialog = new QDialog;

    QSplitter *splitter = new QSplitter(Qt::Horizontal);
    fHelpArea = new QTextEdit();
    QPushButton *exitButton = new QPushButton("Exit");
    connect(exitButton, SIGNAL(clicked()), fHelpDialog,SLOT(close()));
    fHelpArea->setReadOnly(true);

    // the help tree
    G4UImanager* UI = G4UImanager::GetUIpointer();
    if(UI==NULL) return;
    G4UIcommandTree * treeTop = UI->GetTree();


  // en test : creation de doc html


    treeTop->CreateHTML();
    printf("************ create file : -%s-**********\n",((char*)treeTop->GetPathName().data()));







  //
    // build widget
    fHelpTreeWidget = new QTreeWidget();
    fHelpTreeWidget->setSelectionMode(QAbstractItemView::SingleSelection);
    fHelpTreeWidget->setColumnCount(2);
    fHelpTreeWidget->setColumnHidden(1,true);
    QStringList labels;
    labels << QString("Command") << QString("Description");
    fHelpTreeWidget->setHeaderLabels(labels);

    QList<QTreeWidgetItem *> items;
    G4int treeSize = treeTop->GetTreeEntry();
    QTreeWidgetItem * newItem;
    for (int a=0;a<treeSize;a++) {
      // Creating new item
      QStringList stringList;
      stringList << QString((char*)(treeTop->GetTree(a+1)->GetPathName()).data()).trimmed()  ;
      stringList << QString((char*)(treeTop->GetTree(a+1)->GetTitle()).data()).trimmed()  ;

      newItem = new QTreeWidgetItem(stringList);

      // look for childs
      CreateChildTree(newItem,treeTop->GetTree(a+1));
      items.append(newItem);
    }
    fHelpTreeWidget->insertTopLevelItems(0, items);

    //connecting callback
    //  QSignalMapper signalMapper = new QSignalMapper(this);

    connect(fHelpTreeWidget, SIGNAL(itemSelectionChanged ()),this, SLOT(helpTreeCallback()));  

    // Set layouts
    QHBoxLayout *splitterLayout = new QHBoxLayout;

    QVBoxLayout *vLayout = new QVBoxLayout;

    splitterLayout->addWidget(fHelpTreeWidget);
    splitterLayout->addWidget(fHelpArea);
    splitter->setLayout(splitterLayout);

    vLayout->addWidget(splitter);
    vLayout->addWidget(exitButton);
    fHelpDialog->setLayout(vLayout);

  }

  // Look for the choosen command "newCommand"
  size_t i = newCommand.index(" ");
  G4String targetCom="";
  if( i != std::string::npos )
  {
    G4String newValue = newCommand(i+1,newCommand.length()-(i+1));
    newValue.strip(G4String::both);
    targetCom = ModifyToFullPathCommand( newValue );
    printf("test : av:%s-- ap:%s--\n",((char*)newValue.data()),((char*)targetCom.data()));
  }
  if (targetCom != "") {
    QList<QTreeWidgetItem *> list = fHelpTreeWidget->findItems(QString(((char*)targetCom.data())),Qt::MatchFixedString,0);
    for (int a=0;a<13;a++) {
      printf("verif.... =%s= +%s+\n",fHelpTreeWidget->topLevelItem(a)->text(0).toStdString().c_str(),((char*)targetCom.data())); 
    }

    if (!list.isEmpty()) {
      if (list.first()->childCount() >0)  
        list.first()->setExpanded(true);
      
      //collapsed open item
      QList<QTreeWidgetItem *> selected;
      selected = fHelpTreeWidget->selectedItems();
      if ( selected.count() != 0 ) {
        fHelpTreeWidget->collapseItem (selected.at( 0 ) );
      }
      
      // clear old selection
      fHelpTreeWidget->clearSelection();
      list.first()->setSelected(true);
      
      // Call the update of the right textArea
      helpTreeCallback();
    }
  } 
  fHelpDialog->setWindowTitle("Help on commands"); 
  fHelpDialog->resize(800,600); 
  fHelpDialog->move(QPoint(400,150));
  fHelpDialog->show();
  fHelpDialog->raise();
  fHelpDialog->activateWindow();
}



void G4UIQt::CreateChildTree(QTreeWidgetItem *a_parent,G4UIcommandTree *a_commandTree) {

  // Creating new item
  QTreeWidgetItem * newItem;


  // Get the Sub directories
  for (int a=0;a<a_commandTree->GetTreeEntry();a++) {
    
    QStringList stringList;
    stringList << QString((char*)(a_commandTree->GetTree(a+1)->GetPathName()).data()).trimmed()  ;
    stringList << QString((char*)(a_commandTree->GetTree(a+1)->GetTitle()).data()).trimmed()  ;
    newItem = new QTreeWidgetItem(stringList);

    CreateChildTree(newItem,a_commandTree->GetTree(a+1));
    a_parent->addChild(newItem);
  }



  // Get the Commands

  for (int a=0;a<a_commandTree->GetCommandEntry();a++) {
    
    QStringList stringList;
    stringList << QString((char*)(a_commandTree->GetCommand(a+1)->GetCommandPath()).data()).trimmed()  ;
    stringList << QString((char*)(a_commandTree->GetCommand(a+1)->GetCommandPath()).data()).trimmed()  ;
    newItem = new QTreeWidgetItem(stringList);
      
    a_parent->addChild(newItem);
    newItem->setExpanded(false);
  }
}


/**
  This fonction return the command list parameters in a QString

 */
/***************************************************************************/
QString G4UIQt::GetCommandList (
  G4UIcommand *a_command
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{

  QString txt;
  G4String commandPath = a_command->GetCommandPath();
  G4String rangeString = a_command->GetRange();

  if((commandPath.length()-1)!='/')
  {
    txt += "Command " + QString((char*)(commandPath).data()) + "\n";
  }
  txt += "Guidance :\n";
  G4int n_guidanceEntry = a_command->GetGuidanceEntries();

  for( G4int i_thGuidance=0; i_thGuidance < n_guidanceEntry; i_thGuidance++ )
    { txt += QString((char*)(a_command->GetGuidanceLine(i_thGuidance)).data()) + "\n"; }
  if( ! rangeString.isNull() )
    { txt += " Range of parameters : " + QString((char*)(rangeString).data()) + "\n"; }
  G4int n_parameterEntry = a_command->GetParameterEntries();
  if( n_parameterEntry > 0 )
    {
      G4UIparameter *param;

      // Re-implementation of G4UIparameter.cc

      for( G4int i_thParameter=0; i_thParameter<n_parameterEntry; i_thParameter++ )
        { param = a_command->GetParameter(i_thParameter);
          txt += "\nParameter : " + QString((char*)(param->GetParameterName()).data()) + "\n";
          if( ! param->GetParameterGuidance().isNull() )
            txt += QString((char*)(param->GetParameterGuidance()).data())+ "\n" ;
          txt += " Parameter type  : " + QString(param->GetParameterType())+ "\n";
          if(param->IsOmittable())
            { txt += " Omittable       : True\n"; }
          else
            { txt += " Omittable       : False\n"; }
          if( param->GetCurrentAsDefault() )
            { txt += " Default value   : taken from the current value\n"; }
          else if( ! param->GetDefaultValue().isNull() )
            { txt += " Default value   : " + QString((char*)(param->GetDefaultValue()).data())+ "\n"; }
          if( ! param->GetParameterRange().isNull() )
            txt += " Parameter range : " + QString((char*)(param->GetParameterRange()).data())+ "\n";
          if( ! param->GetParameterCandidates().isNull() )
            txt += " Candidates      : " + QString((char*)(param->GetParameterCandidates()).data())+ "\n";
        }
    }
  return txt;
}



/***************************************************************************/
void G4UIQt::expandHelpItem (
 QTreeWidgetItem *a_parent
,G4UIcommand* a_expandCommand
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
}



/***************************************************************************/
//
//             SLOTS DEFINITIONS
//
/***************************************************************************/

/***************************************************************************/
void G4UIQt::showHelpCallback (
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  TerminalHelp("");
}

/***************************************************************************/
void G4UIQt::clearButtonCallback (
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  fTextArea->clear();
}


/**
  Callback call when "click on a menu entry.
  Send the associated command to geant4
 */
void G4UIQt::commandEnteredCallback (
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  printf ("debug : callback\n");
  G4String command (fCommandArea->text().toStdString().c_str());
  if (fCommandArea->text().toStdString().c_str() != "") {
    fCommandHistoryArea->append(fCommandArea->text());

    if (command(0,4) != "help") {
      ApplyShellCommand (command,exitSession,exitPause);
    } else {
      printf ("terminal help\n");
      TerminalHelp(command);
    }
    if(exitSession==true) 
      SessionTerminate();
  }
  fCommandArea->setText("");
}

/**
  Callback call when "enter" clicked on the command zone.
  Send the command to geant4
 */
void G4UIQt::buttonCallback (
  const QString& a_command
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  G4String ss = G4String(a_command.toStdString().c_str());
  printf ("debug : execute:\n-%s- %d %d \n",ss.data(),exitSession,exitPause);
  ApplyShellCommand(ss,exitSession,exitPause);
  if(exitSession==true) 
    SessionTerminate();
}
/**
This callback is activated when user selected a item in the help tree
 */
void G4UIQt::helpTreeCallback (
)
/***************************************************************************/
/*!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*/
{
  //  G4bool GetHelpChoice(G4int&);
  QTreeWidgetItem* item =  NULL;
  if (!fHelpTreeWidget)
    return ;

  if (!fHelpArea)
    return;
  
  QList<QTreeWidgetItem *> list =fHelpTreeWidget->selectedItems();
  if (list.isEmpty())
    return;
  item = list.first();
  if (!item)
    return;
  
  G4UImanager* UI = G4UImanager::GetUIpointer();
  if(UI==NULL) return;
  G4UIcommandTree * treeTop = UI->GetTree();
  G4UIcommand* command = treeTop->FindPath(item->text (1).toStdString().c_str());
  if (command) {
    fHelpArea->setText(GetCommandList(command));
  } else {
    // this is not a command, this is a sub directory
    // We display the Title
    fHelpArea->setText(item->text (1).toStdString().c_str());
  }
}


#endif