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init.c

/***************************************************************************
 *
 * $Header: /usr/local/cvsroot/utils/ytree/init.c,v 1.20 2003/08/31 11:11:00 werner Exp $
 *
 * Initialisierungen
 *
 ***************************************************************************/


#include "ytree.h"


static WINDOW *Subwin(WINDOW *orig, int nlines, int ncols,
                      int begin_y, int begin_x);
static WINDOW *Newwin(int nlines, int ncols,
                      int begin_y, int begin_x);

#ifdef XCURSES
char *XCursesProgramName = "ytree";
#endif

int Init(char *configuration_file, char *history_file)
{
  char buffer[PATH_LENGTH + 1];
  char *home = NULL;

  user_umask = umask(0);
  initscr();
  StartColors(); /* even on b/w terminals... */

  cbreak();  
  noecho();  
  nonl();  
  raw(); 
  keypad( stdscr, TRUE );  
  clearok(stdscr, TRUE);  
  leaveok(stdscr,FALSE);
  curs_set(0);


  WbkgdSet( stdscr, COLOR_PAIR(WINDIR_COLOR)|A_BOLD); 

  ReCreateWindows();

  if( baudrate() >= QUICK_BAUD_RATE ) typeahead( -1 );

  file_window = small_file_window;

  if( ReadGroupEntries() )
  {
    ERROR_MSG( "ReadGroupEntries failed*ABORT" );
    exit( 1 );
  }
  
  if( ReadPasswdEntries() )
  {
    ERROR_MSG( "ReadPasswdEntries failed*ABORT" );
    exit( 1 );
  }

  if (configuration_file != NULL) {
    ReadProfile(configuration_file);
  }
  else if( ( home = getenv("HOME") ) ) {
    sprintf(buffer, "%s%c%s", home, FILE_SEPARATOR_CHAR, PROFILE_FILENAME);
    ReadProfile(buffer);
  }
  if (history_file != NULL) {
    ReadHistory(history_file);
  }
  else if ( home ) {
    sprintf(buffer, "%s%c%s", home, FILE_SEPARATOR_CHAR, HISTORY_FILENAME);
    ReadHistory(buffer);
  }

  SetFileMode( strtod(FILEMODE, NULL) );
  SetKindOfSort( SORT_BY_NAME );
  number_seperator = *(NUMBERSEP);
  bypass_small_window = (BOOL)strtod(NOSMALLWINDOW, NULL );
  initial_directory = INITIALDIR;

  InitClock();

  return( 0 );
}



void ReCreateWindows()
{
  BOOL is_small;

  is_small = (file_window == small_file_window) ? TRUE : FALSE;


  if(dir_window)
    delwin(dir_window);

  dir_window = Subwin( stdscr, 
                   DIR_WINDOW_HEIGHT, 
                   DIR_WINDOW_WIDTH, 
                   DIR_WINDOW_Y, 
                   DIR_WINDOW_X
                  );
  
  keypad( dir_window, TRUE );  
  scrollok( dir_window, TRUE );
  clearok( dir_window, TRUE);  
  leaveok(dir_window, TRUE); 
  WbkgdSet( dir_window, COLOR_PAIR(WINDIR_COLOR) );
  
  if(small_file_window)
    delwin(small_file_window);

  small_file_window = Subwin( stdscr, 
                        FILE_WINDOW_1_HEIGHT, 
                        FILE_WINDOW_1_WIDTH, 
                        FILE_WINDOW_1_Y, 
                          FILE_WINDOW_1_X
                       );
  
  if(!small_file_window)
    beep();

  keypad( small_file_window, TRUE );
  clearok(small_file_window, TRUE);  
  leaveok(small_file_window, TRUE);

  WbkgdSet(small_file_window, COLOR_PAIR(WINFILE_COLOR));
  
  if(big_file_window)
    delwin(big_file_window);

  big_file_window = Subwin( stdscr, 
                      FILE_WINDOW_2_HEIGHT, 
                      FILE_WINDOW_2_WIDTH, 
                      FILE_WINDOW_2_Y, 
                        FILE_WINDOW_2_X
                      );
  
  keypad( big_file_window, TRUE );
  clearok(big_file_window, TRUE);    
  leaveok(big_file_window, TRUE);
  WbkgdSet(big_file_window, COLOR_PAIR(WINFILE_COLOR));

  if(error_window)
    delwin(error_window);

  error_window = Newwin( 
                   ERROR_WINDOW_HEIGHT, 
                   ERROR_WINDOW_WIDTH, 
                   ERROR_WINDOW_Y, 
                   ERROR_WINDOW_X
                  );
  WbkgdSet(error_window, COLOR_PAIR(WINERR_COLOR));
  clearok(error_window, TRUE);       
  leaveok(error_window, TRUE);
 

#ifdef CLOCK_SUPPORT

  if(time_window)
    delwin(time_window);

  time_window = Subwin( stdscr,
                      TIME_WINDOW_HEIGHT,
                      TIME_WINDOW_WIDTH,
                      TIME_WINDOW_Y,
                      TIME_WINDOW_X
                    );
  clearok( time_window, TRUE );  
  scrollok( time_window, FALSE );
  leaveok( time_window, TRUE );
  WbkgdSet( time_window, COLOR_PAIR(WINDIR_COLOR|A_BOLD) );
  immedok(time_window, TRUE);
#endif


  if(history_window)
    delwin(history_window);

  history_window = Newwin(
                       HISTORY_WINDOW_HEIGHT,
                       HISTORY_WINDOW_WIDTH,
                       HISTORY_WINDOW_Y,
                       HISTORY_WINDOW_X
                      );
  scrollok(history_window, TRUE);
  clearok(history_window, TRUE );  
  leaveok(history_window, TRUE);
  WbkgdSet(history_window, COLOR_PAIR(WINHST_COLOR));
  
  matches_window = history_window;

  if(f2_window)
    delwin(f2_window);

  f2_window = Newwin( F2_WINDOW_HEIGHT,
                      F2_WINDOW_WIDTH,
                      F2_WINDOW_Y,
                      F2_WINDOW_X
                    );

  keypad( f2_window, TRUE );  
  scrollok( f2_window, FALSE );
  clearok( f2_window, TRUE);  
  leaveok( f2_window, TRUE );
  WbkgdSet( f2_window, COLOR_PAIR(WINHST_COLOR) );

  file_window = (is_small) ? small_file_window : big_file_window;

  clear();
}


static WINDOW *Subwin(WINDOW *orig, int nlines, int ncols,
                      int begin_y, int begin_x)
{
  int x, y, h, w;
  WINDOW *win;

  if(nlines > LINES)   nlines = LINES;
  if(ncols > COLS)     ncols = COLS;

  h = MAXIMUM(nlines, 1);
  w = MAXIMUM(ncols, 1);
  x = MAXIMUM(begin_x, 0);
  y = MAXIMUM(begin_y, 0);

  if(x+w > COLS)  x = COLS - w;
  if(y+h > LINES) y = LINES - h;

  win = subwin(orig, h, w, y, x);

  return(win);
}



static WINDOW *Newwin(int nlines, int ncols,
                      int begin_y, int begin_x)
{
  int x, y, h, w;
  WINDOW *win;

  if(nlines > LINES)   nlines = LINES;
  if(ncols > COLS)     ncols = COLS;

  h = MAXIMUM(nlines, 1);
  w = MAXIMUM(ncols, 1);
  x = MAXIMUM(begin_x, 0);
  y = MAXIMUM(begin_y, 0);

  if(x+w > COLS)  x = COLS - w;
  if(y+h > LINES) y = LINES - h;

  win = newwin(h, w, y, x);

  return(win);
}




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