src/info.c

   1 /* Panel managing.
   2    Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   3    2005, 2007 Free Software Foundation, Inc.
   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 2 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, write to the Free Software
  17    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
  18
  19 #include <config.h>
  20
  21 #include <stdio.h>
  22
  23 #include "global.h"
  24 #include "tty.h"
  25 #include "mouse.h"              /* Gpm_Event */
  26 #include "color.h"
  27 #include "dialog.h"
  28 #include "info.h"
  29 #include "dir.h"                /* required by panel */
  30 #include "panel.h"              /* for the panel structure */
  31 #include "main.h"               /* other_panel, current_panel definitions */
  32 #include "util.h"               /* size_trunc_len */
  33 #include "layout.h"
  34 #include "key.h"                /* is_idle() */
  35 #include "mountlist.h"
  36 #include "unixcompat.h"
  37
  38 #ifndef VERSION
  39 #   define VERSION "undefined"
  40 #endif
  41
  42 struct WInfo {
  43     Widget widget;
  44     int ready;
  45 };
  46
  47 /* Have we called the init_my_statfs routine? */
  48 static int initialized;
  49 static struct my_statfs myfs_stats;
  50
  51 static void info_box (Dlg_head *h, struct WInfo *info)
  52 {
  53     standend ();
  54     attrset (NORMAL_COLOR);
  55     widget_erase (&info->widget);
  56     draw_double_box (h, info->widget.y,  info->widget.x,
  57                      info->widget.lines, info->widget.cols);
  58 }
  59
  60 static void
  61 info_show_info (struct WInfo *info)
  62 {
  63     static int i18n_adjust=0;
  64     static const char *file_label;
  65
  66     struct stat st;
  67
  68     if (!is_idle ())
  69         return;
  70
  71     info_box (info->widget.parent, info);
  72     attrset (MARKED_COLOR);
  73     widget_move (&info->widget, 1, 3);
  74     tty_printf (_("Midnight Commander %s"), VERSION);
  75     attrset (NORMAL_COLOR);
  76     widget_move (&info->widget, 2, 1);
  77     hline (ACS_HLINE|NORMAL_COLOR, info->widget.cols-2);
  78     if (get_current_type () != view_listing)
  79         return;
  80
  81     if (!info->ready)
  82         return;
  83
  84     my_statfs (&myfs_stats, current_panel->cwd);
  85     st = current_panel->dir.list [current_panel->selected].st;
  86
  87     /* Print only lines which fit */
  88
  89     if(!i18n_adjust) {
  90         /* This printf pattern string is used as a reference for size */
  91         file_label=_("File:       %s");
  92         i18n_adjust=strlen(file_label)+2;
  93     }
  94
  95     switch (info->widget.lines-2){
  96         /* Note: all cases are fall-throughs */
  97
  98     default:
  99
 100     case 16:
 101         widget_move (&info->widget, 16, 3);
 102         if (myfs_stats.nfree >0 || myfs_stats.nodes > 0)
 103             tty_printf (_("Free nodes: %d (%d%%) of %d"),
 104                     myfs_stats.nfree,
 105                     myfs_stats.total
 106                     ? 100 * myfs_stats.nfree / myfs_stats.nodes : 0,
 107                     myfs_stats.nodes);
 108         else
 109             addstr (_("No node information"));
 110
 111     case 15:
 112         widget_move (&info->widget, 15, 3);
 113         if (myfs_stats.avail > 0 || myfs_stats.total > 0){
 114             char buffer1 [6], buffer2[6];
 115             size_trunc_len (buffer1, 5, myfs_stats.avail, 1);
 116             size_trunc_len (buffer2, 5, myfs_stats.total, 1);
 117             tty_printf (_("Free space: %s (%d%%) of %s"), buffer1, myfs_stats.total ?
 118                     (int)(100 * (double)myfs_stats.avail / myfs_stats.total) : 0,
 119                     buffer2);
 120         } else
 121             addstr (_("No space information"));
 122
 123     case 14:
 124         widget_move (&info->widget, 14, 3);
 125         tty_printf (_("Type:      %s "),
 126             myfs_stats.typename ? myfs_stats.typename : _("non-local vfs"));
 127         if (myfs_stats.type != 0xffff && myfs_stats.type != -1)
 128             tty_printf (" (%Xh)", myfs_stats.type);
 129
 130     case 13:
 131         widget_move (&info->widget, 13, 3);
 132         tty_printf (_("Device:    %s"),
 133                 name_trunc (myfs_stats.device, info->widget.cols - i18n_adjust));
 134     case 12:
 135         widget_move (&info->widget, 12, 3);
 136         tty_printf (_("Filesystem: %s"),
 137                 name_trunc (myfs_stats.mpoint, info->widget.cols - i18n_adjust));
 138
 139     case 11:
 140         widget_move (&info->widget, 11, 3);
 141         tty_printf (_("Accessed:  %s"), file_date (st.st_atime));
 142
 143     case 10:
 144         widget_move (&info->widget, 10, 3);
 145         tty_printf (_("Modified:  %s"), file_date (st.st_mtime));
 146
 147     case 9:
 148         widget_move (&info->widget, 9, 3);
 149         /* TRANSLATORS: "Status changed", like in the stat(2) man page */
 150         printw (_("Status:    %s"), file_date (st.st_ctime));
 151
 152     case 8:
 153         widget_move (&info->widget, 8, 3);
 154 #ifdef HAVE_STRUCT_STAT_ST_RDEV
 155         if (S_ISCHR (st.st_mode) || S_ISBLK(st.st_mode))
 156             tty_printf (_("Dev. type: major %lu, minor %lu"),
 157                     (unsigned long) major (st.st_rdev),
 158                     (unsigned long) minor (st.st_rdev));
 159         else
 160 #endif
 161         {
 162             char buffer[10];
 163             size_trunc_len(buffer, 9, st.st_size, 0);
 164             tty_printf (_("Size:      %s"), buffer);
 165 #ifdef HAVE_STRUCT_STAT_ST_BLOCKS
 166             tty_printf (ngettext(" (%ld block)", " (%ld blocks)",
 167                 (unsigned long int) st.st_blocks),
 168                 (long int) st.st_blocks);
 169 #endif
 170         }
 171
 172     case 7:
 173         widget_move (&info->widget, 7, 3);
 174         tty_printf (_("Owner:     %s/%s"),
 175             get_owner (st.st_uid),
 176             get_group (st.st_gid));
 177
 178     case 6:
 179         widget_move (&info->widget, 6, 3);
 180         tty_printf (_("Links:     %d"), (int) st.st_nlink);
 181
 182     case 5:
 183         widget_move (&info->widget, 5, 3);
 184         tty_printf (_("Mode:      %s (%04o)"),
 185                 string_perm (st.st_mode), (unsigned) st.st_mode & 07777);
 186
 187     case 4:
 188         widget_move (&info->widget, 4, 3);
 189         tty_printf (_("Location:  %Xh:%Xh"), (int)st.st_dev, (int)st.st_ino);
 190
 191     case 3:
 192         widget_move (&info->widget, 3, 2);
 193         /* .ado: fname is invalid if selected == 0 && info called from current panel */
 194         if (current_panel->selected){
 195             tty_printf (file_label,
 196                         name_trunc (current_panel->dir.list [current_panel->selected].fname,
 197                                     info->widget.cols - i18n_adjust));
 198         } else
 199                 addstr (_("File:       None"));
 200
 201     case 2:
 202     case 1:
 203     case 0:
 204         ;
 205     } /* switch */
 206 }
 207
 208 static void info_hook (void *data)
 209 {
 210     struct WInfo *info = (struct WInfo *) data;
 211     Widget *other_widget;
 212
 213     other_widget = get_panel_widget (get_current_index ());
 214     if (!other_widget)
 215         return;
 216     if (dlg_overlap (&info->widget, other_widget))
 217         return;
 218
 219     info->ready = 1;
 220     info_show_info (info);
 221 }
 222
 223 static cb_ret_t
 224 info_callback (Widget *w, widget_msg_t msg, int parm)
 225 {
 226     struct WInfo *info = (struct WInfo *) w;
 227
 228     switch (msg) {
 229
 230     case WIDGET_INIT:
 231         add_hook (&select_file_hook, info_hook, info);
 232         info->ready = 0;
 233         return MSG_HANDLED;
 234
 235     case WIDGET_DRAW:
 236         info_hook (info);
 237         info_show_info (info);
 238         return MSG_HANDLED;
 239
 240     case WIDGET_FOCUS:
 241         return MSG_NOT_HANDLED;
 242
 243     case WIDGET_DESTROY:
 244         delete_hook (&select_file_hook, info_hook);
 245         return MSG_HANDLED;
 246
 247     default:
 248         return default_proc (msg, parm);
 249     }
 250 }
 251
 252 struct WInfo *info_new ()
 253 {
 254     struct WInfo *info = g_new (struct WInfo, 1);
 255
 256     init_widget (&info->widget, 0, 0, 0, 0, info_callback, NULL);
 257
 258     /* We do not want the cursor */
 259     widget_want_cursor (info->widget, 0);
 260
 261     if (!initialized){
 262         initialized = 1;
 263         init_my_statfs ();
 264     }
 265
 266     return info;
 267 }
 268