CanvasPage.cxx

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#include "CanvasPage.h"
#include "PageProxy.h"
#include "Midad/Gui/GuiBox.h"
#include "Midad/Gui/GuiCanvas.h"
#include "Midad/Gui/GuiMainWindow.h"

#include <TGWindow.h>
#include <TGFileDialog.h>
#include <TCanvas.h>
#include <TLine.h>

#include <sigc++/sigc++.h>

#include <iostream>
#include <cassert>

// We don't use this here because we are just a base class.  But, any
// subclass should have a version like it.
//static PageProxy<CanvasPage> gsCanvasPageProxy("Canvas");

CanvasPage::CanvasPage()
    : fCanvas(0), fMainWindow(0)
{
}

CanvasPage::~CanvasPage()
{
}

TObject* CanvasPage::Init(Mint* /*mint*/, PageDisplay* /*pd*/, GuiBox& box)
{
    fMainWindow = dynamic_cast<TGWindow*>(&box);
    assert(fMainWindow);

    GuiCanvas* gc = SigC::manage(new GuiCanvas(box,100,100));
    box.Add(*gc);
    fCanvas = gc->GetCanvas();
    fCanvas->cd();
    return fCanvas;
}

void CanvasPage::Print()
{
    if (!fMainWindow) {
        std::cerr << "CanvasPage::Print no main window\n";
        return;
    }

    const char* filetypes[] = { "All files",    "*",
                                "EPS",          "*.eps",
                                "PS",           "*.ps",
                                "GIF",          "*.gif",
                                0,              0 };
    static TString dir(".");
    TGFileInfo fi;
    fi.fFileTypes = filetypes;
    fi.fIniDir = StrDup(dir);
    new TGFileDialog(gClient->GetRoot(), fMainWindow, kFDOpen, &fi);
    dir = fi.fIniDir;
    fCanvas->Print(fi.fFilename);
}


TCanvas& CanvasPage::GetCanvas() 
{
    fCanvas->cd();
    return *fCanvas; 
}

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