/*************************************************************************
 ***                        command.c                    (JJB TEMPLAR) ***
 *** Date modifications begun: 7/8/89.                                 ***
 *** Last modified: 27/8/89.                                           ***
 *************************************************************************/
/*** User-level command processor.                                     ***
 *************************************************************************/

#include "less.h"
#include <intuition/intuition.h>
#include <proto/intuition.h>

#include "win.h"
#include "cmd.h"

extern struct Window    *Window;
extern struct Requester req;

extern int  quit_at_eof;
extern int  hit_eof;
extern int  sc_height;
extern int  top_scroll;
extern int  l_start;
extern char version[];
extern char current_file[];

int     has_resized;    /* Used by getc() to indicate if user resized */

/*** Main command processor.                                           ***
 *** Accept and execute commands until a quit command, then return.    ***/

void    commands() /*====================================================*/
{
    has_resized = 0;
    while (1) {
        if (has_resized) {      /* In case user resizes during getc */
            has_resized = 0;
            resize();
            repaint();
            setbar(1);
        }

        if (quit_at_eof && (hit_eof > 1)) next_file(1);

        SetWindowTitles(Window,pr_string(),(char *)-1L);    /* Prompt */

        switch (getcmd()) {
            case (C_FORW_PAGE): forward(sc_height-1, 1);
                                setbar(1);
                                break;
            case (C_BACK_PAGE): backward(sc_height-1, 1);
                                setbar(1);
                                break;
            case (C_FORW_LINE): forward(1, 0);
                                setbar(0);
                                break;
            case (C_BACK_LINE): backward(1, 0);
                                setbar(0);
                                break;
            case (C_TOP):   jump_back(1);
                            setbar(1);
                            break;
            case (C_BOTTOM):    jump_forw();
                                setbar(1);
                                break;
            case (C_HELP):  help();
                            repaint();
                            break;
            case (C_ABOUT): about();
                            repaint();
                            break;
            case (C_FORW_FILE): next_file(1);               break;
            case (C_BACK_FILE): prev_file(1);               break;
            case (C_VERSION):   error(version,0);           break;
            case (C_QUIT):  return;     /* so infinite while() loop */
            case (C_REPAINT):   repaint();                  break;
            case (C_INFO):      error(eq_message(),0);      break;
            case (C_BOOM):      doboom();                   break;
                /* Don't fall through. It appears a NEWSIZE message is 
                 * still posted by Intuition. */
            case (C_RESIZE):    resize();
                                repaint();
                                setbar(1);
                                break;
            case (C_SRIGHT): l_start = MAXHORIZ;        /* Fall thru */
            case (C_RIGHT): horiz(1);
                            repaint();
                            break;
            case (C_SLEFT): l_start = 0;                /* Fall thru */
            case (C_LEFT):  horiz(0);
                            repaint();
                            break;
            case (C_SCROLL):    usebar();       break;
            case (C_HSCROLL):   usehbar();
                                repaint();
                                break;
            case (C_SEARCH_F):  search_forw(1); break;
            case (C_SEARCH_B):  search_back(1); break;
            case (C_SEARCH_FNC):search_forw(0); break;
            case (C_SEARCH_BNC):search_back(0); break;
            case (C_SET_MARK):  setmark();      break;
            case (C_GO_MARK):   gomark();       break;
            case (C_PERCENT):   jump_percent(); break;
            case (C_ICONIFY):   doiconify();    break;
            case (C_PRINT):     print();        break;
            case (C_MODE_ON):   domode(1);
                                repaint();
                                break;
            case (C_MODE_OFF):  domode(0);
                                repaint();
                                break;
            case (C_NEWCLI):    newcli();       break;
            case (C_EDITOR):    editor();       break;
            case (C_ADDFILE):   add_file();     break;
            case (C_INNOCUOUS): r_bool("Not implemented");
                                break;
            default:            bell();                     break;
        }
    }
}