status.c

   1 /*
   2  * Copyright (C) 2008 Diego Hernan Borghetti.
   3  * Eco
   4  */
   5
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <stdarg.h>
   9
  10 #include "term.h"
  11 #include "screen.h"
  12 #include "buffer.h"
  13 #include "view.h"
  14 #include "eco.h"
  15 #include "status.h"
  16
  17
  18 void e_status_putc(E_Eco *ec, int c)
  19 {
  20         if (ec->view->stcol > ec->view->rcol)
  21                 return;
  22
  23         e_term_move(ec->view->strow, ec->view->stcol);
  24         if (c == '*') {
  25                 e_term_fgcol(ec->tr, E_TR_RED);
  26                 e_term_bgcol(ec->tr, E_TR_BLACK);
  27         }
  28         else {
  29                 e_term_fgcol(ec->tr, ec->view->stfg);
  30                 e_term_bgcol(ec->tr, ec->view->stbg);
  31         }
  32
  33         e_term_putc(c);
  34         ec->view->stcol++;
  35 }
  36
  37 void e_status_putc_string(E_Eco *ec, char *s)
  38 {
  39         int i;
  40
  41         for (i= 0; i < strlen (s); i++)
  42                 e_status_putc(ec, s[i]);
  43 }
  44
  45 void e_status_putc_msg(E_Eco *ec)
  46 {
  47         int i;
  48
  49         if (!ec->view->stmsg)
  50                 return;
  51
  52         for (i= 0; i < ec->view->stused; i++)
  53                 e_status_putc(ec, ec->view->stbuf[i]);
  54 }
  55
  56 void e_status_set_msg(E_Eco *ec, char *fmt, ...)
  57 {
  58         va_list ap;
  59
  60         va_start(ap, fmt);
  61         vsnprintf(ec->view->stbuf, 79, fmt, ap);
  62         ec->view->stused= strlen(ec->view->stbuf);
  63         va_end(ap);
  64
  65         ec->view->stused++;
  66         ec->view->stmsg= 1;
  67         return;
  68 }
  69
  70 char *e_status_get_msg(E_Eco *ec, char *prompt)
  71 {
  72         int i, c, val;
  73
  74         ec->view->stcol= ec->view->col;
  75         ec->view->strow= ec->view->rrow;
  76
  77         /* need clean the status line. */
  78         /* this work in all terms ? */
  79         e_term_move(ec->view->strow, ec->view->stcol);
  80         e_term_eeol();
  81         i= 0;
  82         val= 0;
  83
  84         if (prompt)
  85                 e_status_putc_string(ec, prompt);
  86         else
  87                 e_status_putc(ec, ':');
  88
  89         for (;;) {
  90                 c= e_term_getc();
  91                 if (c == '\r') {
  92                         ec->view->stbuf[i]= '\0';
  93                         if (i)
  94                                 val= 1;
  95                         break;
  96                 }
  97                 else if (c == '\b' && i) {
  98                         ec->view->stcol--;
  99                         e_status_putc(ec, ' ');
 100                         ec->view->stcol--;
 101                         e_term_move(ec->view->strow, ec->view->stcol);
 102                         ec->view->stbuf[i]= '\0';
 103                         i--;
 104                         e_term_flush();
 105                 }
 106                 else if (c > 0x00 && c < 0x20) {
 107                         c= c + '@';
 108                         if (c == 'G')
 109                                 return(NULL);
 110                 }
 111                 else if ((c >= 0x20) && (c < 0x7f)) {
 112                         ec->view->stbuf[i]= c;
 113                         i++;
 114                         e_status_putc(ec, c);
 115                         e_term_flush();
 116                 }
 117         }
 118
 119         if (val)
 120                 return(ec->view->stbuf);
 121         return(NULL);
 122 }
 123
 124 void e_status_draw(E_Eco *ec)
 125 {
 126         char buf[24];
 127         int ocol, orow;
 128         int rcol, i;
 129
 130         /*
 131          * The status draw is always call after e_update, so
 132          * the physical and virtual cursor are already sync,
 133          * we need save the current position to restore
 134          * in the end.
 135          */
 136         orow= ec->tr->row;
 137         ocol= ec->tr->col;
 138
 139         ec->view->stcol= ec->view->col;
 140         ec->view->strow= ec->view->rrow;
 141
 142         if (ec->view->b->flag & BUFFER_FLUSH)
 143                 e_status_putc(ec, '*');
 144
 145         e_status_putc(ec, '(');
 146         e_status_putc_string(ec, ec->view->b->name);
 147
 148         for (i= 0, rcol= 0; i < ec->view->b->dot; i++) {
 149                 if (ec->view->b->line->text[i] == '\t')
 150                         rcol+= 7;
 151                 rcol++;
 152         }
 153
 154         sprintf(buf, ") L(%d/%d) C(%d/%d) ", ec->view->b->nl, ec->view->b->nlines,
 155                         rcol+1, ec->view->b->line->used+1);
 156         e_status_putc_string(ec, buf);
 157
 158         /* put the percent of the file. */
 159         if (ec->view->b->line == ec->view->b->lines)
 160                 e_status_putc_string(ec, "Top ");
 161         else if (!ec->view->b->line->next)
 162                 e_status_putc_string(ec, "Bottom ");
 163         else {
 164                 int ratio= (100L * ec->view->b->nl)/ec->view->b->nlines;
 165
 166                 if (ratio > 99)
 167                         ratio= 99;
 168
 169                 sprintf(buf, "%2d%% ", ratio);
 170                 e_status_putc_string(ec, buf);
 171         }
 172
 173         e_status_putc_msg(ec);
 174
 175         while (ec->view->stcol < ec->view->rcol)
 176                 e_status_putc(ec, ' ');
 177
 178         e_term_move(orow, ocol);
 179         e_term_flush();
 180 }