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Go4 GUI and GSI's QtROOT interface

Go4 GUI and GSI's QtROOT interface. G SI O nline O ffline O bject O riented. ROOT 2002. M. Al-Turany , D. Bertini, J. Adamczewski, H.G.Essel, S.Linev. Go4 GUI and QtROOT. Features of Qt ROOT Interface Using the Qt Designer Go4 GUI Singleton Features of the Go4 GUI Demo.

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Go4 GUI and GSI's QtROOT interface

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  1. Go4 GUIand GSI's QtROOT interface GSIOnlineOfflineObjectOriented ROOT 2002 M. Al-Turany, D. Bertini, J. Adamczewski, H.G.Essel, S.Linev M. Al-Turany Go4: Root 2002

  2. Go4 GUI and QtROOT • Features of Qt ROOT Interface • Using the Qt Designer • Go4 GUI Singleton • Features of the Go4 GUI • Demo M. Al-Turany Go4: Root 2002

  3. Qt Root Interface Features: • Support only Unix. • No changes in Root or Qt are needed • Maintainable with minimum effort • Can be used in parallel to the ROOT native GUI (TGxx classes). • Full Root canvas functionality embedded in a QWidget. • Drag and Drop support for canvas and pads. • SelectedPadChanged( TPad *) signal, emitted from TPad • The interface is tested and it works with ROOT >= 3.0 and Qt >= 2.3.0 M. Al-Turany Go4: Root 2002

  4. Qt Root Interface (UML) User Application Root Interface Qt M. Al-Turany Go4: Root 2002

  5. #include <qapplication.h>#include "MyWidget1.h"int main( int argc, char ** argv ){QApplication a( argc, argv );     MyWidget1 *w = new Mywidget1;     w->show();     a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) );   return a.exec();} Qt (Main.cxx) The designer generated Main.cpp will looks like: M. Al-Turany Go4: Root 2002

  6. #include "YOUR QT-ROOT INTERFACE DIR/tqapplication.h"#include "YOUR QT-ROOT INTERFACE DIR/qrootapplication.h"#include "MyWidget1.h"int main( int argc, char ** argv ){     QRootApplication a( argc, argv, 0);    TQApplication app("uno",&argc,argv);    MyWidget1 *w = new Mywidget1;   w->show();   a.connect( &a, SIGNAL( lastWindowClosed() ), &a, SLOT( quit() ) );  return a.exec();} Qt Root (Main.cxx) To use the QtRoot Interface you need: M. Al-Turany Go4: Root 2002

  7. Qt Designer A professional tool to create complex GUI‘s very easily M. Al-Turany Go4: Root 2002

  8. Qt Designer (Signals of QtRootCanvas) M. Al-Turany Go4: Root 2002

  9. Qt Designer (Slots of QtRootCanvas) M. Al-Turany Go4: Root 2002

  10. Qt Designer (Properties of QtRootCanvas) M. Al-Turany Go4: Root 2002

  11. Modified Popup Menu M. Al-Turany Go4: Root 2002

  12. Use of SelectedPadChanged ( TPad *) signal to change settings M. Al-Turany Go4: Root 2002

  13. Use of SelectedPadChanged ( TPad *) signal to change settings M. Al-Turany Go4: Root 2002

  14. Use ROOT and Qt together! Go4 GUI Description • Complex GUI • Flexible • Rapid prototyping • Easily extended M. Al-Turany Go4: Root 2002

  15. Go4 GUI Architecture • MDI Application • Remote File browser and Tree viewer • Signal-slot mechanism (both Qt and ROOT) • Gui singleton: registry + dispatcher (modified mediator pattern) • Persistent status objects per window • Well defined communication channels between the different parts of the GUI and external packages (e.g. Analysis, User GUI) M. Al-Turany Go4: Root 2002

  16. Gui Singleton: Registry + Dispatcher • A static Singleton which acts as a registry for all GUIsin the Go4 • All Commands sent to the analysis via this registry, also all objects sent from the analysis are delivered first here (dispatcher). M. Al-Turany Go4: Root 2002

  17. Go4 GUI (UML) Slots QWidget Status GUI Registry Qt Widget Root Classes M. Al-Turany Go4: Root 2002

  18. Go4 GUIFeatures: • Easy to use and self explaining GUI • Simplify use of ROOT standard methods • Drag and Drop support • Online help is integrated • User extensions are supported as: • Integrated in the Workspace and/or • Outside of the Go4 main window • Look & Feel support (fonts, styles) M. Al-Turany Go4: Root 2002

  19. M. Al-Turany Go4: Root 2002

  20. M. Al-Turany Go4: Root 2002

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