forgot one

[unix-history] / usr / src / usr.bin / window / cmd1.c

#ifndef lint
static  char *sccsid = "@(#)cmd1.c      3.22 84/03/23";
#endif

#include "defs.h"

c_window()
{
       int col, row, xcol, xrow;
       int id;

       if ((id = findid()) < 0)
               return;
       if (!terse)
               wwputs("Upper left corner: ", cmdwin);
       col = 0;
       row = 1;
       wwadd(boxwin, framewin->ww_back);
       for (;;) {
               wwbox(boxwin, row - 1, col - 1, 3, 3);
               wwsetcursor(row, col);
               while (wwpeekc() < 0)
                       wwiomux();
               switch (getpos(&row, &col, row > 1, 0,
                       wwnrow - 1, wwncol - 1)) {
               case 3:
                       wwunbox(boxwin);
                       wwdelete(boxwin);
                       return;
               case 2:
                       wwunbox(boxwin);
                       break;
               case 1:
                       wwunbox(boxwin);
               case 0:
                       continue;
               }
               break;
       }
       if (!terse)
               wwputs("\r\nLower right corner: ", cmdwin);
       xcol = col;
       xrow = row;
       for (;;) {
               wwbox(boxwin, row - 1, col - 1,
                       xrow - row + 3, xcol - col + 3);
               wwsetcursor(xrow, xcol);
               wwflush();
               while (wwpeekc() < 0)
                       wwiomux();
               switch (getpos(&xrow, &xcol, row, col, wwnrow - 1, wwncol - 1))
               {
               case 3:
                       wwunbox(boxwin);
                       wwdelete(boxwin);
                       return;
               case 2:
                       wwunbox(boxwin);
                       break;
               case 1:
                       wwunbox(boxwin);
               case 0:
                       continue;
               }
               break;
       }
       wwdelete(boxwin);
       if (!terse)
               wwputs("\r\n", cmdwin);
       wwcurtowin(cmdwin);
       (void) openwin(id, row, col, xrow-row+1, xcol-col+1, nbufline,
               (char *) 0);
}

getpos(row, col, minrow, mincol, maxrow, maxcol)
register int *row, *col;
int minrow, mincol;
int maxrow, maxcol;
{
       static int scount = 0;
       int count;
       char c;
       int oldrow = *row, oldcol = *col;

       while ((c = wwgetc()) >= 0) {
               switch (c) {
               case '0': case '1': case '2': case '3': case '4':
               case '5': case '6': case '7': case '8': case '9':
                       scount = scount * 10 + c - '0';
                       continue;
               }
               count = scount ? scount : 1;
               scount = 0;
               switch (c) {
               case 'h':
                       if ((*col -= count) < mincol)
                               *col = mincol;
                       break;
               case 'H':
                       *col = mincol;
                       break;
               case 'l':
                       if ((*col += count) > maxcol)
                               *col = maxcol;
                       break;
               case 'L':
                       *col = maxcol;
                       break;
               case 'j':
                       if ((*row += count) > maxrow)
                               *row = maxrow;
                       break;
               case 'J':
                       *row = maxrow;
                       break;
               case 'k':
                       if ((*row -= count) < minrow)
                               *row = minrow;
                       break;
               case 'K':
                       *row = minrow;
                       break;
               case CTRL([):
                       if (!terse)
                               wwputs("\r\nCancelled.  ", cmdwin);
                       return 3;
               case '\r':
                       return 2;
               default:
                       if (!terse)
                               wwputs("\r\nType [hjklHJKL] to move, return to enter position, escape to cancel.", cmdwin);
                       wwputc(CTRL(g), cmdwin);
               }
       }
       return oldrow != *row || oldcol != *col;
}