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 /** \file info.c
  20  *  \brief Source: panel managing
  21  */
  22
  23 #include <config.h>
  24
  25 #include <stdio.h>
  26
  27 #include "global.h"
  28
  29 #include "../src/tty/tty.h"
  30 #include "../src/tty/key.h"             /* is_idle() */
  31 #include "../src/tty/mouse.h"           /* Gpm_Event */
  32 #include "../src/skin/skin.h"
  33
  34 #include "dialog.h"
  35 #include "widget.h"             /* default_proc*/
  36 #include "main-widgets.h"       /* the_menubar*/
  37 #include "dir.h"                /* required by panel */
  38 #include "panel.h"              /* for the panel structure */
  39 #include "main.h"               /* other_panel, current_panel definitions */
  40 #include "menu.h"               /* menubar_visible */
  41 #include "util.h"               /* size_trunc_len */
  42 #include "layout.h"
  43 #include "mountlist.h"
  44 #include "unixcompat.h"
  45 #include "strutil.h"
  46 #include "info.h"
  47
  48 #ifndef VERSION
  49 #   define VERSION "undefined"
  50 #endif
  51
  52 struct WInfo {
  53     Widget widget;
  54     int ready;
  55 };
  56
  57 /* Have we called the init_my_statfs routine? */
  58 static gboolean initialized = FALSE;
  59 static struct my_statfs myfs_stats;
  60
  61 static void info_box (Dlg_head *h, struct WInfo *info)
  62 {
  63     tty_set_normal_attrs ();
  64     tty_setcolor (NORMAL_COLOR);
  65     widget_erase (&info->widget);
  66     draw_box (h, info->widget.y,  info->widget.x,
  67                  info->widget.lines, info->widget.cols);
  68 }
  69
  70 static void
  71 info_show_info (struct WInfo *info)
  72 {
  73     static int i18n_adjust = 0;
  74     static const char *file_label;
  75     GString *buff;
  76     struct stat st;
  77
  78     if (!is_idle ())
  79         return;
  80
  81     info_box (info->widget.parent, info);
  82     tty_setcolor (MARKED_COLOR);
  83     widget_move (&info->widget, 1, 3);
  84     tty_printf (_("Midnight Commander %s"), VERSION);
  85     tty_setcolor (NORMAL_COLOR);
  86     tty_draw_hline (info->widget.y + 2, info->widget.x + 1,
  87                     ACS_HLINE, info->widget.cols - 2);
  88     if (get_current_type () != view_listing)
  89         return;
  90
  91     if (!info->ready)
  92         return;
  93
  94     my_statfs (&myfs_stats, current_panel->cwd);
  95     st = current_panel->dir.list [current_panel->selected].st;
  96
  97     /* Print only lines which fit */
  98
  99     if (i18n_adjust == 0) {
 100         /* This printf pattern string is used as a reference for size */
 101         file_label = _("File:       %s");
 102         i18n_adjust = str_term_width1 (file_label) + 2;
 103     }
 104
 105     buff = g_string_new ("");
 106
 107     switch (info->widget.lines-2){
 108         /* Note: all cases are fall-throughs */
 109
 110     default:
 111
 112     case 16:
 113         widget_move (&info->widget, 16, 3);
 114         if (myfs_stats.nfree >0 || myfs_stats.nodes > 0)
 115             tty_printf (_("Free nodes: %d (%d%%) of %d"),
 116                     myfs_stats.nfree,
 117                     myfs_stats.total
 118                     ? 100 * myfs_stats.nfree / myfs_stats.nodes : 0,
 119                     myfs_stats.nodes);
 120         else
 121             tty_print_string (_("No node information"));
 122
 123     case 15:
 124         widget_move (&info->widget, 15, 3);
 125         if (myfs_stats.avail > 0 || myfs_stats.total > 0){
 126             char buffer1 [6], buffer2[6];
 127             size_trunc_len (buffer1, 5, myfs_stats.avail, 1);
 128             size_trunc_len (buffer2, 5, myfs_stats.total, 1);
 129             tty_printf (_("Free space: %s (%d%%) of %s"), buffer1, myfs_stats.total ?
 130                     (int)(100 * (double)myfs_stats.avail / myfs_stats.total) : 0,
 131                     buffer2);
 132         } else
 133             tty_print_string (_("No space information"));
 134
 135     case 14:
 136         widget_move (&info->widget, 14, 3);
 137         tty_printf (_("Type:      %s "),
 138             myfs_stats.typename ? myfs_stats.typename : _("non-local vfs"));
 139         if (myfs_stats.type != 0xffff && myfs_stats.type != -1)
 140             tty_printf (" (%Xh)", myfs_stats.type);
 141
 142     case 13:
 143         widget_move (&info->widget, 13, 3);
 144         str_printf (buff, _("Device:    %s"),
 145                 str_trunc (myfs_stats.device, info->widget.cols - i18n_adjust));
 146         tty_print_string (buff->str);
 147         g_string_set_size(buff, 0);
 148     case 12:
 149         widget_move (&info->widget, 12, 3);
 150         str_printf (buff, _("Filesystem: %s"),
 151                 str_trunc (myfs_stats.mpoint, info->widget.cols - i18n_adjust));
 152         tty_print_string (buff->str);
 153         g_string_set_size(buff, 0);
 154     case 11:
 155         widget_move (&info->widget, 11, 3);
 156         str_printf (buff, _("Accessed:  %s"), file_date (st.st_atime));
 157         tty_print_string (buff->str);
 158         g_string_set_size(buff, 0);
 159     case 10:
 160         widget_move (&info->widget, 10, 3);
 161         str_printf (buff, _("Modified:  %s"), file_date (st.st_mtime));
 162         tty_print_string (buff->str);
 163         g_string_set_size(buff, 0);
 164     case 9:
 165         widget_move (&info->widget, 9, 3);
 166         /* TRANSLATORS: "Status changed", like in the stat(2) man page */
 167         str_printf (buff, _("Status:    %s"), file_date (st.st_ctime));
 168         tty_print_string (buff->str);
 169         g_string_set_size(buff, 0);
 170
 171     case 8:
 172         widget_move (&info->widget, 8, 3);
 173 #ifdef HAVE_STRUCT_STAT_ST_RDEV
 174         if (S_ISCHR (st.st_mode) || S_ISBLK(st.st_mode))
 175             tty_printf (_("Dev. type: major %lu, minor %lu"),
 176                     (unsigned long) major (st.st_rdev),
 177                     (unsigned long) minor (st.st_rdev));
 178         else
 179 #endif
 180         {
 181             char buffer[10];
 182             size_trunc_len(buffer, 9, st.st_size, 0);
 183             tty_printf (_("Size:      %s"), buffer);
 184 #ifdef HAVE_STRUCT_STAT_ST_BLOCKS
 185             tty_printf (ngettext(" (%ld block)", " (%ld blocks)",
 186                 (unsigned long int) st.st_blocks),
 187                 (long int) st.st_blocks);
 188 #endif
 189         }
 190
 191     case 7:
 192         widget_move (&info->widget, 7, 3);
 193         tty_printf (_("Owner:     %s/%s"),
 194             get_owner (st.st_uid),
 195             get_group (st.st_gid));
 196
 197     case 6:
 198         widget_move (&info->widget, 6, 3);
 199         tty_printf (_("Links:     %d"), (int) st.st_nlink);
 200
 201     case 5:
 202         widget_move (&info->widget, 5, 3);
 203         tty_printf (_("Mode:      %s (%04o)"),
 204                 string_perm (st.st_mode), (unsigned) st.st_mode & 07777);
 205
 206     case 4:
 207         widget_move (&info->widget, 4, 3);
 208         tty_printf (_("Location:  %Xh:%Xh"), (int)st.st_dev, (int)st.st_ino);
 209
 210     case 3:
 211     {
 212         const char *fname;
 213
 214         widget_move (&info->widget, 3, 2);
 215         fname = current_panel->dir.list [current_panel->selected].fname;
 216         str_printf (buff, file_label,
 217                     str_trunc (fname, info->widget.cols - i18n_adjust));
 218         tty_print_string (buff->str);
 219     }
 220
 221     case 2:
 222     case 1:
 223     case 0:
 224         ;
 225     } /* switch */
 226     g_string_free (buff, TRUE);
 227 }
 228
 229 static void info_hook (void *data)
 230 {
 231     struct WInfo *info = (struct WInfo *) data;
 232     Widget *other_widget;
 233
 234     other_widget = get_panel_widget (get_current_index ());
 235     if (!other_widget)
 236         return;
 237     if (dlg_overlap (&info->widget, other_widget))
 238         return;
 239
 240     info->ready = 1;
 241     info_show_info (info);
 242 }
 243
 244 static cb_ret_t
 245 info_callback (Widget *w, widget_msg_t msg, int parm)
 246 {
 247     struct WInfo *info = (struct WInfo *) w;
 248
 249     switch (msg) {
 250
 251     case WIDGET_INIT:
 252         add_hook (&select_file_hook, info_hook, info);
 253         info->ready = 0;
 254         return MSG_HANDLED;
 255
 256     case WIDGET_DRAW:
 257         info_hook (info);
 258         info_show_info (info);
 259         return MSG_HANDLED;
 260
 261     case WIDGET_FOCUS:
 262         return MSG_NOT_HANDLED;
 263
 264     case WIDGET_DESTROY:
 265         delete_hook (&select_file_hook, info_hook);
 266         return MSG_HANDLED;
 267
 268     default:
 269         return default_proc (msg, parm);
 270     }
 271 }
 272
 273 static int
 274 info_event (Gpm_Event *event, void *data)
 275 {
 276     Widget *w = &((WInfo *) data)->widget;
 277
 278     /* rest of the upper frame, the menu is invisible - call menu */
 279     if (event->type & GPM_DOWN && event->y == 1 && !menubar_visible) {
 280         event->x += w->x;
 281         return the_menubar->widget.mouse (event, the_menubar);
 282     }
 283
 284     return MOU_NORMAL;
 285 }
 286
 287 WInfo *
 288 info_new (void)
 289 {
 290     struct WInfo *info = g_new (struct WInfo, 1);
 291
 292     init_widget (&info->widget, 0, 0, 0, 0, info_callback, info_event);
 293
 294     /* We do not want the cursor */
 295     widget_want_cursor (info->widget, 0);
 296
 297     if (!initialized) {
 298         initialized = TRUE;
 299         init_my_statfs ();
 300     }
 301
 302     return info;
 303 }