src/XGUI/XGUI_Workshop.cpp

   1 #include "XGUI_Workshop.h"
   2 #include "XGUI_MainWindow.h"
   3 #include "XGUI_MainMenu.h"
   4 #include "XGUI_Command.h"
   5 #include "XGUI_Tools.h"
   6
   7 #include <Config_Message.h>
   8 #include <Event_Loop.hxx>
   9
  10 #include <QApplication>
  11 #include <QFileDialog>
  12 #include <QMessageBox>
  13 #ifdef _DEBUG
  14 #include <QDebug>
  15 #endif
  16
  17
  18 #include <cstdio>
  19
  20 #ifdef WIN32
  21 #include <windows.h>
  22 #else
  23 #include <dlfcn.h>
  24 #endif
  25
  26
  27 XGUI_Workshop::XGUI_Workshop() :
  28     QObject()
  29 {
  30     myMainWindow = new XGUI_MainWindow();
  31 }
  32
  33 //******************************************************
  34 XGUI_Workshop::~XGUI_Workshop(void)
  35 {
  36 }
  37
  38 //******************************************************
  39 void XGUI_Workshop::startApplication()
  40 {
  41     initMenu();
  42     //Initialize event listening
  43     Event_Loop* aLoop =  Event_Loop::Loop();
  44     Event_ID aFeatureId = aLoop->EventByName("Feature");
  45     aLoop->RegisterListener(this, aFeatureId);
  46     activateModule();
  47     myMainWindow->show();
  48 }
  49
  50 //******************************************************
  51 void XGUI_Workshop::initMenu()
  52 {
  53     IWorkbench* aPage = addWorkbench(tr("GEN_MENU_TITLE"));
  54
  55     // File commands group
  56     IMenuGroup* aGroup = aPage->addGroup();
  57
  58     IFeatureMenu* aCommand;
  59
  60     aCommand = aGroup->addFeature("SAVE_CMD", tr("SAVE_MENU"), tr("SAVE_MENU_TIP"),
  61                                   QIcon(":pictures/save.png"), QKeySequence::Save);
  62     aCommand->connectTo(this, SLOT(onSave()));
  63     //aCommand->disable();
  64
  65     aCommand = aGroup->addFeature("UNDO_CMD", tr("UNDO_MENU"), tr("UNDO_MENU_TIP"),
  66                                   QIcon(":pictures/undo.png"), QKeySequence::Undo);
  67
  68     aCommand = aGroup->addFeature("REDO_CMD", tr("REDO_MENU"), tr("REDO_MENU_TIP"),
  69                                  QIcon(":pictures/redo.png"), QKeySequence::Redo);
  70
  71     aCommand = aGroup->addFeature("REBUILD_CMD", tr("REBUILD_MENU"), tr("REBUILD_MENU_TIP"),
  72                                  QIcon(":pictures/rebuild.png"));
  73
  74     aCommand = aGroup->addFeature("SAVEAS_CMD", tr("SAVEAS_MENU"), tr("SAVEAS_MENU_TIP"),
  75                                   QIcon(":pictures/save.png"));
  76     aCommand->connectTo(this, SLOT(onSaveAs()));
  77     //aCommand->disable();
  78
  79     aCommand = aGroup->addFeature("OPEN_CMD", tr("OPEN_MENU"), tr("OPEN_MENU_TIP"),
  80                                   QIcon(":pictures/open.png"), QKeySequence::Open);
  81     aCommand->connectTo(this, SLOT(onOpen()));
  82
  83
  84     aCommand = aGroup->addFeature("NEW_CMD", tr("NEW_MENU"), tr("NEW_MENU_TIP"),
  85                                   QIcon(":pictures/new.png"), QKeySequence::New);
  86     aCommand->connectTo(this, SLOT(onNew()));
  87
  88     aCommand = aGroup->addFeature("EXIT_CMD", tr("EXIT_MENU"), tr("EXIT_MENU_TIP"),
  89                                   QIcon(":pictures/close.png"), QKeySequence::Close);
  90     aCommand->connectTo(this, SLOT(onExit()));
  91
  92 }
  93
  94 //******************************************************
  95 IWorkbench* XGUI_Workshop::addWorkbench(const QString& theName)
  96 {
  97     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
  98     return aMenuBar->addWorkbench(theName);
  99 }
 100
 101 //******************************************************
 102 void XGUI_Workshop::ProcessEvent(const Event_Message* theMessage)
 103 {
 104   const Config_FeatureMessage* aMsg =
 105       dynamic_cast<const Config_FeatureMessage*>( theMessage );
 106   if(aMsg) {
 107     addFeature(aMsg);
 108     return;
 109   }
 110   #ifdef _DEBUG
 111   qDebug() << "XGUI_Workshop::ProcessEvent: "
 112       << "Got message, but it's not a Config_FeatureMessage";
 113   #endif
 114
 115 }
 116
 117 void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
 118 {
 119   XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
 120   IWorkbench* aPage = aMenuBar->findWorkbench(tr( "GEN_MENU_TITLE" ) + "_Workbench");
 121   if(!aPage) {
 122     #ifdef _DEBUG
 123     qDebug() << "XGUI_Workshop::ProcessEvent: "
 124              << "Creating a workbench " << tr( "GEN_MENU_TITLE" );
 125     #endif
 126     aPage = addWorkbench(tr( "GEN_MENU_TITLE" ));
 127   }
 128   QString aGroupName = QString::fromStdString(theMessage->m_group);
 129   IMenuGroup* aGroup = aPage->findGroup(aGroupName);
 130   if(!aGroup) {
 131     aGroup = aPage->addGroup(aGroupName);
 132   }
 133   IFeatureMenu* aCommand;
 134   aCommand = aGroup->addFeature(
 135     QString::fromStdString(theMessage->m_id),
 136     QString::fromStdString(theMessage->m_text),
 137     QString::fromStdString(theMessage->m_tooltip),
 138     QIcon(theMessage->m_icon.c_str())
 139     //TODO(sbh): QKeySequence
 140   );
 141 }
 142
 143 //******************************************************
 144 void XGUI_Workshop::onExit()
 145 {
 146     qApp->exit();
 147 }
 148
 149 //******************************************************
 150 void XGUI_Workshop::onNew()
 151 {
 152     myMainWindow->showObjectBrowser();
 153 }
 154
 155 //******************************************************
 156 void XGUI_Workshop::onOpen()
 157 {
 158     QString aFileName = QFileDialog::getOpenFileName(mainWindow());
 159 }
 160
 161 //******************************************************
 162 void XGUI_Workshop::onSave()
 163 {
 164 }
 165
 166 //******************************************************
 167 void XGUI_Workshop::onSaveAs()
 168 {
 169     QString aFileName = QFileDialog::getSaveFileName(mainWindow());
 170 }
 171
 172 //******************************************************
 173 IModule* XGUI_Workshop::loadModule(const QString& theModule)
 174 {
 175   QString libName = library( theModule );
 176   if ( libName.isEmpty() )
 177   {
 178     qWarning( qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ) );
 179     return 0;
 180   }
 181
 182   QString err;
 183   CREATE_FUNC crtInst = 0;
 184
 185 #ifdef WIN32
 186
 187   HINSTANCE modLib = ::LoadLibrary( (LPTSTR) qPrintable(libName) );
 188   if ( !modLib )
 189   {
 190     LPVOID lpMsgBuf;
 191     ::FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
 192                      FORMAT_MESSAGE_IGNORE_INSERTS, 0, ::GetLastError(), 0, (LPTSTR)&lpMsgBuf, 0, 0 );
 193     QString aMsg((char*)&lpMsgBuf);
 194     err = QString( "Failed to load  %1. %2" ).arg( libName ).arg( aMsg );
 195     ::LocalFree( lpMsgBuf );
 196   }
 197   else
 198   {
 199     crtInst = (CREATE_FUNC)::GetProcAddress( modLib, CREATE_MODULE );
 200     if ( !crtInst )
 201     {
 202       LPVOID lpMsgBuf;
 203       ::FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM |
 204                        FORMAT_MESSAGE_IGNORE_INSERTS, 0, ::GetLastError(), 0, (LPTSTR)&lpMsgBuf, 0, 0 );
 205     QString aMsg((char*)&lpMsgBuf);
 206     err = QString( "Failed to find  %1 function. %2" ).arg( CREATE_MODULE ).arg(aMsg );
 207     ::LocalFree( lpMsgBuf );
 208     }
 209   }
 210 #else
 211   void* modLib = dlopen( libName.toLatin1(), RTLD_LAZY );
 212   if ( !modLib )
 213     err = QString( "Can not load library %1. %2" ).arg( libName ).arg( dlerror() );
 214   else
 215   {
 216     crtInst = (CREATE_FUNC)dlsym( modLib, GET_MODULE_NAME );
 217     if ( !crtInst )
 218       err = QString( "Failed to find function %1. %2" ).arg( CREATE_MODULE ).arg( dlerror() );
 219   }
 220 #endif
 221
 222   IModule* aModule = crtInst ? crtInst(this) : 0;
 223
 224   if ( !err.isEmpty() ) {
 225     if ( mainWindow() && mainWindow()->isVisible() )
 226         QMessageBox::warning( mainWindow(), tr( "Error" ), err );
 227     else
 228       qWarning( qPrintable( err ) );
 229   }
 230   return aModule;
 231 }
 232
 233 //******************************************************
 234 bool XGUI_Workshop::activateModule()
 235 {
 236     // Test of modules loading
 237     IModule* aModule = loadModule("GeomModule");
 238     if (!aModule)
 239         return false;
 240     aModule->createFeatures();
 241     return true;
 242 }
 243