apps/wm/tview.c

   1 /*
   2  *  ZeX/OS
   3  *  Copyright (C) 2008  Tomas 'ZeXx86' Jedrzejek (zexx86@zexos.org)
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <fcntl.h>
  21 #include <stdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <time.h>
  26 #include <libx/base.h>
  27 #include <libx/object.h>
  28 #include <libx/image.h>
  29 #include <libx/cursor.h>
  30 #include <libx/text.h>
  31 #include "window.h"
  32 #include "cursor.h"
  33 #include "button.h"
  34 #include "menu.h"
  35 #include "dialog.h"
  36 #include "filemanager.h"
  37 #include "config.h"
  38
  39 wmwindow *tview;
  40 unsigned tview_act = 0;
  41
  42 char *file;
  43 unsigned len;
  44
  45 unsigned tview_open (char *name)
  46 {
  47         if (tview_act || !name)
  48                 return 0;
  49
  50         file = (char *) malloc (sizeof (char) * 2049);
  51
  52         if (!file)
  53                 return 0;
  54
  55         // html web page
  56         int fd = open (name, O_RDONLY);
  57
  58         if (!fd) {
  59                 return 0;
  60         }
  61
  62         int ret = 2048;
  63         len = 0;
  64
  65         //while (1) {
  66                 ret = read (fd, file+len, 2048);
  67
  68                 if (!ret)
  69                         return 0;
  70
  71                 len += ret;
  72
  73                 file[len] = '\0';
  74
  75         /*      if (ret != 512)
  76                         break;
  77
  78                 if (ret == 512)
  79                         file = (char *) realloc ((void *) file, sizeof (char) * len + 512);
  80
  81                 if (!file) {
  82                         free (file);
  83                         return 0;
  84                 }
  85         }*/
  86
  87         tview = window_create (name);
  88
  89         if (!tview)
  90                 return 0;
  91
  92         tview_act = 1;
  93
  94         return 1;
  95 }
  96
  97 void tview_draw ()
  98 {
  99         if (!tview_act || !tview)
 100                 return;
 101
 102         unsigned i = 0;
 103         unsigned k = 0;
 104         unsigned j = 0;
 105
 106         for (i = 0; i < len; i ++) {
 107                 if (file[i] == '\n') {
 108                         k ++;
 109                         j = 0;
 110                 }
 111
 112                 xtext_putch (tview->x+1+(j*5), tview->y+11+(k*9), 0, file[i]);
 113
 114                 if ((j*5+1) > tview->size_x)
 115                         tview->size_x += 5;
 116
 117                 if ((11+(k*9)) > tview->size_y)
 118                         tview->size_y += 9;
 119
 120                 j ++;
 121         }
 122 }
 123
 124 unsigned init_tview ()
 125 {
 126         tview = 0;
 127         tview_act = 0;
 128         len = 0;
 129
 130         return 1;
 131 }