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