/www/proggenOrg/dedupe/export/trunk/userinterface/gui/ncurses/implementation.cpp

// NCures "Hello World!" program, taken from
// http://tldp.org/HOWTO/NCURSES-Programming-HOWTO/helloworld.html
#include <curses.h>
#include <panel.h>
#include "implementation.h"
#include <cstdlib>
#include <string.h>

namespace Dedupe
{
  namespace GUI
  {
    NCursesControl::NCursesControl( NCursesDialog & dialog, unsigned int x, unsigned int y, unsigned int width, unsigned int height )
      : Markable( dialog.Controls )
    {
      Window = subwin( dialog.GetWindow(), height, width, y, x );
      wborder( Window, ACS_VLINE, ACS_VLINE, ACS_HLINE, ACS_HLINE, ACS_ULCORNER, ACS_URCORNER, ACS_LLCORNER, ACS_LRCORNER );
    }

    NCursesListView::NCursesListView( NCursesDialog & dialog, unsigned int x, unsigned int y, unsigned int width, unsigned int height )
      : NCursesControl( dialog, x, y, width, height )
    {
    }

    void NCursesListView::RefreshMark()
    {
      flash();
    }

    NCursesButton::NCursesButton( NCursesDialog & dialog, unsigned int x, unsigned int y, unsigned int width, char const * text )
      : NCursesControl( dialog, x, y, 2+width, 3 )
    {
      SetText( text );
    }

    void NCursesButton::SetText( char const * text )
    {
      Text = text;
      RefreshText();
    }

    void NCursesButton::RefreshMark()
    {
      RefreshText();
    }

    void NCursesButton::RefreshText()
    {
      int width, strl;

      width = getmaxx( Window ) - 2;
      strl = strlen( Text );
      if( strl > width )
        strl = width;

      int left = ( width - strl ) / 2;
      int right = width - strl - left;

      wcolor_set( Window, NCursesMain::DefaultColorPair, 0 );
      mvwaddch( Window, 1, 0, ACS_VLINE );

      if( Marked() )
        wcolor_set( Window, NCursesMain::MarkedColorPair, 0 );
      else
        wcolor_set( Window, NCursesMain::DefaultColorPair, 0 );

      while( left-- )
        waddch( Window, ' ' );

      waddnstr( Window, Text, strl );

      while( right-- )
        waddch( Window, ' ' );

      wrefresh( Window );
    }

    NCursesButton::~NCursesButton()
    {
      delwin( Window );
    }

    NCursesMain::NCursesMain( int argc, char *argv[] )
      : Main( argc, argv )
    {
      char * temp = getenv( "ESCDELAY" );
      setenv( "ESCDELAY", "25", 1 );

      Window = initscr();
      noecho();
      start_color();

      mvaddstr( 15, 10, temp );

      int width, height;
      getmaxyx( Window, height, width );

      int posy = height - 4;
      int itemWidth = width - 2 - 12;
      itemWidth /= 3;

      init_pair( DefaultColorPair, COLOR_GREEN, COLOR_BLUE );
      init_pair( MarkedColorPair, COLOR_BLUE, COLOR_YELLOW );
      bkgd( COLOR_PAIR(1));

      Index    = new NCursesButton( *this, 1 + 2                      , posy, itemWidth, "Indizieren" );
      Index->SetMark( true );
      Trashcan = new NCursesButton( *this, 1 + 2 + ( 3+itemWidth )    , posy, itemWidth, "Trashcan"   );
      Results  = new NCursesButton( *this, 1 + 2 + ( 3+itemWidth ) * 2, posy, itemWidth, "Results"    );

      itemWidth = ( width - 5 ) / 2;
      fileBrowser = new NCursesListView( *this, 3, 1, itemWidth, height - 5 );
      selectedFiles = new NCursesListView( *this, itemWidth+3, 1, itemWidth, height - 5 );

      border( ACS_VLINE, ACS_VLINE, ACS_HLINE, ACS_HLINE, ACS_ULCORNER, ACS_URCORNER, ACS_LLCORNER, ACS_LRCORNER );
      keypad( Window, true );
      curs_set(0);

      refresh();                        /* Print it on to the real screen */
    }

    NCursesMain::~NCursesMain()
    {
      curs_set(1);
      delete Index;
      delete Trashcan;
      delete Results;

      delete fileBrowser;
      delete selectedFiles;

      echo();
      endwin();
    }

    void NCursesMain::TrackFile( const Dedupe::FileInfo & file )
    {
      /* Liste erweitern */
    }

    void NCursesMain::UntrackFile( const Dedupe::FileInfo & file )
    {
      /* Liste modifizieren */
    }

    void NCursesMain::ClearTrackedFiles()
    {

    }

    bool NCursesMain::IsRecursive()
    {

    }

    int NCursesMain::exec()
    {
      int ch;
      while(( ch = getch() ))
      {
        switch( ch )
        {
          case 'q':
          case 27: return 0;
          case  9: case 'n':
          {
            MarkNextControl();
            break;
          }
          case 353: // Shift + Tab
          {
            MarkPrevControl();
            break;
          }
          case 'i': mvaddstr( 5, 5, "Index               " ); break;
          case 't': mvaddstr( 5, 5, "Trashcan            " ); break;
          case 'r': mvaddstr( 5, 5, "Results             " ); break;
          case '+': mvaddstr( 5, 5, "Add Item            " ); break;
          case '-': mvaddstr( 5, 5, "Remove Item         " ); break;
          default:
          {
            char temp[255];
            sprintf( temp, "Unknown Operation %d  ", ch );
            mvaddstr( 5, 5, temp );
            break;
          }
        }
      }
      return 0;
    }

  }
}