evdb::DisplayWindow Class Reference

An event display window. More...

#include <DisplayWindow.h>

Public Member Functions
	DisplayWindow (int window=0)
virtual	~DisplayWindow ()
virtual void	Draw (const char *opt="")
virtual void	CloseWindow ()
void	Raise ()
void	SetRunEvent (int run, int event)
void	SetServices ()

Static Public Member Functions
static void	Register (const char *name, const char *description, unsigned int h, unsigned int w, CanvasCreator_t creator)
static const std::vector< std::string > &	Names ()
static int	OpenWindow (int type=0)
static void	SetRunEventAll (int run, int event)
static void	SetServicesAll ()
static void	DrawAll (const char *opt=0)

Private Attributes
TGMainFrame *	fMain
	Main window. More...
MenuBar *	fMenuBar
	Top menu bar. More...
ButtonBar *	fButtonBar
	Top button bar. More...
StatusBar *	fStatusBar
	Status bar running along the bottom. More...
Canvas *	fDisplay
	Display of detector event information. More...

Detailed Description

An event display window.

Definition at line 33 of file DisplayWindow.h.

Constructor & Destructor Documentation

evdb::DisplayWindow::DisplayWindow

(

int

window = 0

)

Definition at line 142 of file DisplayWindow.cxx.

  {
    if(gROOT->IsBatch())
      throw cet::exception("DisplayWindow") << "ROOT is in batch mode"
                                            << " cannot open DisplayWindow";
    if(!gClient)
      throw cet::exception("DisplayWindow") << "No ROOT global TClient";

    const TGWindow* tgw = gClient->GetRoot();
    if(!tgw)
      throw cet::exception("DisplayWindow") << "No TGWindow pointer";

    // Create the main application window. I need a resize to get the
    // window to draw the first time, so create the window slightly
    // smaller than the intended size. Bogus, but so it goes...
    unsigned int w = gsWidth[id];
    unsigned int h = gsHeight[id];
    fMain = new TGMainFrame(tgw, w-1, h-1);

    // Add items to the main window
    fMenuBar   = new MenuBar(fMain);
    fButtonBar = new ButtonBar(fMain);
    fDisplay   = (*gsCanvasCreator[id])(fMain);
    fStatusBar = new StatusBar(fMain);
  
    fMain->SetWindowName(gsName[id].c_str());
  
    // Now that all the subwindows are attached, do the final layout
    fMain->MapSubwindows();
    fMain->MapWindow();
  
    // Don't understand this, but I need a resize to get things to draw
    // the first time...
    fMain->Resize(w,h);

    // Plug the display into its signal/slots
    fDisplay->Connect();

    fMain->Connect("CloseWindow()","evdb::DisplayWindow",this,"CloseWindow()");

    // Add to list of windows open
    gsWindows[id] = this;
  }

evdb::DisplayWindow::~DisplayWindow ( )

virtual

Definition at line 196 of file DisplayWindow.cxx.

  {
    if (fDisplay)   { delete fDisplay;   fDisplay   = 0; } 
    if (fStatusBar) { delete fStatusBar; fStatusBar = 0; }
    if (fButtonBar) { delete fButtonBar; fButtonBar = 0; }
    if (fMenuBar)   { delete fMenuBar;   fMenuBar   = 0; }
    if (fMain)      { delete fMain;      fMain      = 0; }
    for (unsigned int i=0; i<gsWindows.size(); ++i) {
      if (gsWindows[i] == this) gsWindows[i] = 0;
    }
  }

Member Function Documentation

void evdb::DisplayWindow::CloseWindow ( )

virtual

Definition at line 192 of file DisplayWindow.cxx.

{ delete this; }

void evdb::DisplayWindow::Draw ( const char *  opt = "" )

virtual

Definition at line 188 of file DisplayWindow.cxx.

{ fDisplay->Draw(opt); }

void evdb::DisplayWindow::DrawAll ( const char *  opt = 0 )

static

Definition at line 57 of file DisplayWindow.cxx.

  {
    for (size_t i=0; i<gsWindows.size(); ++i) {
      if (gsWindows[i]!=0) gsWindows[i]->Draw(opt);
    }
  }

const std::vector< std::string > & evdb::DisplayWindow::Names ( )

static

Definition at line 89 of file DisplayWindow.cxx.

{ return gsName; }

int evdb::DisplayWindow::OpenWindow ( int  type = 0 )

static

Create a window given a system-assigned ID number

Definition at line 116 of file DisplayWindow.cxx.

  {
    unsigned id = 0;
    if (type>0) id = type;
    if (id>=gsName.size()) return 0;

    DisplayWindow* w = gsWindows[id];
    if (w==0) {
      w = gsWindows[id] = new DisplayWindow(id);
    }
    if (w==0) return 0;

    // Update run and event number in newly opened window.
    const art::Event* evt = evdb::EventHolder::Instance()->GetEvent();
    if(evt)
      w->SetRunEvent(evt->id().run(), evt->id().event());

    w->Raise();
    w->Draw();
  
    return 1;
  }

void evdb::DisplayWindow::Raise

(

)

Definition at line 210 of file DisplayWindow.cxx.

{ fMain->RaiseWindow(); }

void evdb::DisplayWindow::Register ( const char *  name, const char *  description, unsigned int  h, unsigned int  w, CanvasCreator_t  creator  )

static

Register a display canvas for use in creating windows

Definition at line 96 of file DisplayWindow.cxx.

  {
    gsName.push_back(std::string(name));
    gsDescription.push_back(std::string(description));
    gsHeight.push_back(h);
    gsWidth.push_back(w);
    gsCanvasCreator.push_back(creator);
  
    if (gsName.size()>gsWindows.size()) gsWindows.resize(gsName.size());
  }

void evdb::DisplayWindow::SetRunEvent	(	int	run,
		int	event
	)

Definition at line 66 of file DisplayWindow.cxx.

  {
    fButtonBar->SetRunEvent(run, event);
  }

void evdb::DisplayWindow::SetRunEventAll ( int  run, int  event  )

static

Definition at line 48 of file DisplayWindow.cxx.

  {
    for (size_t i=0; i<gsWindows.size(); ++i) {
      if (gsWindows[i]!=0) gsWindows[i]->SetRunEvent(run, event);
    }
  }

void evdb::DisplayWindow::SetServices

(

)

Definition at line 82 of file DisplayWindow.cxx.

  {
    fMenuBar->fEditMenu->SetServices();
  }

void evdb::DisplayWindow::SetServicesAll ( )

static

Definition at line 73 of file DisplayWindow.cxx.

  {
    for (size_t i=0; i<gsWindows.size(); ++i) {
      if (gsWindows[i]!=0) gsWindows[i]->SetServices();
    }      
  }

Member Data Documentation

ButtonBar* evdb::DisplayWindow::fButtonBar

private

Top button bar.

Definition at line 61 of file DisplayWindow.h.

Canvas* evdb::DisplayWindow::fDisplay

private

Display of detector event information.

Definition at line 63 of file DisplayWindow.h.

TGMainFrame* evdb::DisplayWindow::fMain

private

Main window.

Definition at line 59 of file DisplayWindow.h.

MenuBar* evdb::DisplayWindow::fMenuBar

private

Top menu bar.

Definition at line 60 of file DisplayWindow.h.

StatusBar* evdb::DisplayWindow::fStatusBar

private

Status bar running along the bottom.

Definition at line 62 of file DisplayWindow.h.

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The documentation for this class was generated from the following files:

• nutools/old/EventDisplayBase/DisplayWindow.h
• nutools/old/EventDisplayBase/DisplayWindow.cxx