    // @(#)root/ged:$Name:  $:$Id: TGedMarkerSelect.cxx,v 1.6 2004/06/16 08:58:35 rdm Exp $
    // Author: Marek Biskup, Ilka Antcheva   22/07/03

    /*************************************************************************
     * Copyright (C) 1995-2002, Rene Brun and Fons Rademakers.               *
     * All rights reserved.                                                  *
     *                                                                       *
     * For the licensing terms see $ROOTSYS/LICENSE.                         *
     * For the list of contributors see $ROOTSYS/README/CREDITS.             *
     *************************************************************************/

    //////////////////////////////////////////////////////////////////////////
    //                                                                      //
    // TGedMarkerSelect, TGedMarkerPopup                                    //
    //                                                                      //
    // The TGedMarkerPopup is a popup containing buttons to                 //
    // select marker style.                                                 //
    //                                                                      //
    // The TGedMarkerSelect widget is a button showing selected marker      //
    // and a little down arrow. When clicked on the arrow the               //
    // TGedMarkerPopup pops up.                                             //
    //                                                                      //
    // Selecting a marker in this widget will generate the event:           //
    // kC_MARKERSEL, kMAR_SELCHANGED, widget id, style.                     //
    //                                                                      //
    // and the signal:                                                      //
    // MarkerSelected(Style_t marker)                                      //
    //                                                                      //
    //////////////////////////////////////////////////////////////////////////

    #include "TGedMarkerSelect.h"
    #include "TGResourcePool.h"
    #include "TGPicture.h"
    #include "TGToolTip.h"
    #include "TGButton.h"
    #include "Riostream.h"

    ClassImp(TGedMarkerSelect)
    ClassImp(TGedMarkerPopup)

    struct markerDescription_t {
       const char* filename;
       const char* name;
       int number;
    };

    static markerDescription_t  Markers[] = {

       {"marker1.xpm", "1", 1},
       {"marker2.xpm", "2", 2},
       {"marker3.xpm", "3", 3},
       {"marker4.xpm", "4", 4},
       {"marker5.xpm", "5", 5},
       {"marker6.xpm", "6", 6},
       {"marker7.xpm", "7", 7},
       {"marker8.xpm", "8", 8},
    //   {"marker16.xpm", "16", 16 },
    //   {"marker18.xpm", "18", 18},
       {"marker20.xpm", "20", 20},
       {"marker21.xpm", "21", 21},
       {"marker22.xpm", "22", 22},
       {"marker23.xpm", "23", 23},
       {"marker24.xpm", "24", 24},
       {"marker25.xpm", "25", 25},
       {"marker26.xpm", "26", 26},
       {"marker27.xpm", "27", 27},
       {"marker28.xpm", "28", 28},
       {"marker29.xpm", "29", 29},
       {"marker30.xpm", "30", 30},
       {0, 0, 0},
    };

    static markerDescription_t* GetMarkerByNumber(int number)
    {
       for (int i = 0; Markers[i].filename != 0; i++) {
          if (Markers[i].number == number)
              return &Markers[i];
       }
       return 0;
    }

    //______________________________________________________________________________
    TGedMarkerPopup::TGedMarkerPopup(const TGWindow *p, const TGWindow *m, Style_t markerStyle)
       : TGedPopup(p, m, 30, 30, kDoubleBorder | kRaisedFrame | kOwnBackground,
                   GetDefaultFrameBackground())
    {
       TGButton *b;
       fCurrentStyle = markerStyle;

       Pixel_t white;
       gClient->GetColorByName("white", white); // white background
       SetBackgroundColor(white);

       SetLayoutManager(new TGTileLayout(this, 1));

       for (int i = 0; Markers[i].filename != 0; i++) {
          AddFrame(b = new TGPictureButton(this, Markers[i].filename,
                   Markers[i].number, TGButton::GetDefaultGC()(), kSunkenFrame),
                   new TGLayoutHints(kLHintsLeft, 14, 14, 14, 14));
          b->SetToolTipText(Markers[i].name);
       }

       Resize(74, 90);
       MapSubwindows();
    }

    //______________________________________________________________________________
    TGedMarkerPopup::~TGedMarkerPopup()
    {
       Cleanup();
    }

    //______________________________________________________________________________
    Bool_t TGedMarkerPopup::ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
    {
       if (GET_MSG(msg) == kC_COMMAND && GET_SUBMSG(msg) == kCM_BUTTON) {
          SendMessage(fMsgWindow, MK_MSG(kC_MARKERSEL, kMAR_SELCHANGED), 0, parm1);
          EndPopup();
       }

       if (parm2)
          ;              // no warning

       return kTRUE;
    }

    //______________________________________________________________________________
     TGedMarkerSelect::TGedMarkerSelect(const TGWindow *p, Style_t markerStyle, Int_t id)
       : TGedSelect(p, id)
    {
       fPicture = 0;
       SetPopup(new TGedMarkerPopup(gClient->GetDefaultRoot(), this, markerStyle));
       SetMarkerStyle(markerStyle);
       MarkerSelected(fMarkerStyle);

    }

    //_____________________________________________________________________________
     Bool_t TGedMarkerSelect::ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2)
    {
       if (GET_MSG(msg) == kC_MARKERSEL && GET_SUBMSG(msg) == kMAR_SELCHANGED) {
          SetMarkerStyle(parm2);
          SendMessage(fMsgWindow, MK_MSG(kC_MARKERSEL, kMAR_SELCHANGED),
                      fWidgetId, parm2);
          MarkerSelected(fMarkerStyle);
       }

       if (parm1)     // no warning
          ;
       return kTRUE;
    }

    //_____________________________________________________________________________
     void TGedMarkerSelect::DoRedraw()
    {
       TGedSelect::DoRedraw();

       Int_t  x, y;
       UInt_t w, h;

       if (IsEnabled()) {
          // pattern rectangle

          x = fBorderWidth + 2;
          y = fBorderWidth + 2;  // 1;
          h = fHeight - (fBorderWidth * 2) - 4;  // -3;  // 14
          w = h;
          if (fState == kButtonDown) {
             ++x; ++y;
          }
          gVirtualX->DrawRectangle(fId, GetShadowGC()(), x, y, w - 1, h - 1);

          if (fPicture != 0) fPicture->Draw(fId, fDrawGC->GetGC(), x + 1, y + 1);
       } else { // sunken rectangle
          x = fBorderWidth + 2;
          y = fBorderWidth + 2;  // 1;
          w = 42;
          h = fHeight - (fBorderWidth * 2) - 4;  // 3;
          Draw3dRectangle(kSunkenFrame, x, y, w, h);
       }
    }

    //_____________________________________________________________________________
     void TGedMarkerSelect::SetMarkerStyle(Style_t markerStyle)
    {
       // Set marker.

       fMarkerStyle = markerStyle;
       gClient->NeedRedraw(this);

       MarkerSelected(fMarkerStyle);

       if (fPicture) {
          gClient->FreePicture(fPicture);
          fPicture = 0;
       }

       markerDescription_t *md = GetMarkerByNumber(fMarkerStyle);

       if (md)  fPicture = gClient->GetPicture(md->filename);
    }

    //______________________________________________________________________________
     void TGedMarkerSelect::SavePrimitive(ofstream &out, Option_t *)
    {
       // Save the pattern select widget as a C++ statement(s) on output stream out

       out <<"   TGedMarkerSelect *";
       out << GetName() << " = new TGedMarkerSelect(" << fParent->GetName()
           << "," << fMarkerStyle << "," << WidgetId() << ");" << endl;
    }