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 #include <sys/stat.h>
  27
  28 #include "lib/global.h"
  29 #include "lib/unixcompat.h"
  30 #include "lib/tty/tty.h"
  31 #include "lib/tty/key.h"        /* is_idle() */
  32 #include "lib/tty/mouse.h"      /* Gpm_Event */
  33 #include "lib/skin.h"
  34 #include "lib/strutil.h"
  35 #include "lib/timefmt.h"        /* file_date() */
  36 #include "lib/util.h"
  37 #include "lib/widget.h"
  38
  39 #include "midnight.h"           /* the_menubar */
  40 #include "layout.h"
  41 #include "mountlist.h"
  42 #include "setup.h"              /* panels_options */
  43 #include "info.h"
  44
  45 /*** global variables ****************************************************************************/
  46
  47 /*** file scope macro definitions ****************************************************************/
  48
  49 #ifndef VERSION
  50 #define VERSION "undefined"
  51 #endif
  52
  53 /*** file scope type declarations ****************************************************************/
  54
  55 struct WInfo
  56 {
  57     Widget widget;
  58     int ready;
  59 };
  60
  61 /*** file scope variables ************************************************************************/
  62
  63 static struct my_statfs myfs_stats;
  64
  65 /*** file scope functions ************************************************************************/
  66 /* --------------------------------------------------------------------------------------------- */
  67
  68 static void
  69 info_box (struct WInfo *info)
  70 {
  71     const char *title = _("Information");
  72     const int len = str_term_width1 (title);
  73
  74     tty_set_normal_attrs ();
  75     tty_setcolor (NORMAL_COLOR);
  76     widget_erase (&info->widget);
  77     draw_box (info->widget.owner, info->widget.y, info->widget.x,
  78               info->widget.lines, info->widget.cols, FALSE);
  79
  80     widget_move (&info->widget, 0, (info->widget.cols - len - 2) / 2);
  81     tty_printf (" %s ", title);
  82
  83     widget_move (&info->widget, 2, 0);
  84     tty_print_alt_char (ACS_LTEE, FALSE);
  85     widget_move (&info->widget, 2, info->widget.cols - 1);
  86     tty_print_alt_char (ACS_RTEE, FALSE);
  87     tty_draw_hline (info->widget.y + 2, info->widget.x + 1, ACS_HLINE, info->widget.cols - 2);
  88 }
  89
  90 /* --------------------------------------------------------------------------------------------- */
  91
  92 static void
  93 info_show_info (struct WInfo *info)
  94 {
  95     static int i18n_adjust = 0;
  96     static const char *file_label;
  97     GString *buff;
  98     struct stat st;
  99
 100     if (!is_idle ())
 101         return;
 102
 103     info_box (info);
 104
 105     tty_setcolor (MARKED_COLOR);
 106     widget_move (&info->widget, 1, 3);
 107     tty_printf (_("Midnight Commander %s"), VERSION);
 108
 109     if (!info->ready)
 110         return;
 111
 112     if (get_current_type () != view_listing)
 113         return;
 114
 115     my_statfs (&myfs_stats, current_panel->cwd);
 116     st = current_panel->dir.list[current_panel->selected].st;
 117
 118     /* Print only lines which fit */
 119
 120     if (i18n_adjust == 0)
 121     {
 122         /* This printf pattern string is used as a reference for size */
 123         file_label = _("File: %s");
 124         i18n_adjust = str_term_width1 (file_label) + 2;
 125     }
 126
 127     tty_setcolor (NORMAL_COLOR);
 128
 129     buff = g_string_new ("");
 130
 131     switch (info->widget.lines - 2)
 132     {
 133         /* Note: all cases are fall-throughs */
 134
 135     default:
 136
 137     case 16:
 138         widget_move (&info->widget, 16, 3);
 139         if (myfs_stats.nfree > 0 || myfs_stats.nodes > 0)
 140             tty_printf (_("Free nodes: %ld (%ld%%) of %ld"),
 141                         (size_t) myfs_stats.nfree,
 142                         myfs_stats.nodes != 0
 143                         ? 100 * (size_t) myfs_stats.nfree / (size_t) myfs_stats.nodes : 0,
 144                         (size_t) myfs_stats.nodes);
 145         else
 146             tty_print_string (_("No node information"));
 147
 148     case 15:
 149         widget_move (&info->widget, 15, 3);
 150         if (myfs_stats.avail > 0 || myfs_stats.total > 0)
 151         {
 152             char buffer1[6], buffer2[6];
 153             size_trunc_len (buffer1, 5, myfs_stats.avail, 1, panels_options.kilobyte_si);
 154             size_trunc_len (buffer2, 5, myfs_stats.total, 1, panels_options.kilobyte_si);
 155             tty_printf (_("Free space: %s (%d%%) of %s"), buffer1, myfs_stats.total ?
 156                         (int) (100 * (double) myfs_stats.avail / myfs_stats.total) : 0, buffer2);
 157         }
 158         else
 159             tty_print_string (_("No space information"));
 160
 161     case 14:
 162         widget_move (&info->widget, 14, 3);
 163         tty_printf (_("Type:      %s"),
 164                     myfs_stats.typename ? myfs_stats.typename : _("non-local vfs"));
 165         if (myfs_stats.type != 0xffff && myfs_stats.type != -1)
 166             tty_printf (" (%Xh)", myfs_stats.type);
 167
 168     case 13:
 169         widget_move (&info->widget, 13, 3);
 170         str_printf (buff, _("Device:    %s"),
 171                     str_trunc (myfs_stats.device, info->widget.cols - i18n_adjust));
 172         tty_print_string (buff->str);
 173         g_string_set_size (buff, 0);
 174     case 12:
 175         widget_move (&info->widget, 12, 3);
 176         str_printf (buff, _("Filesystem: %s"),
 177                     str_trunc (myfs_stats.mpoint, info->widget.cols - i18n_adjust));
 178         tty_print_string (buff->str);
 179         g_string_set_size (buff, 0);
 180     case 11:
 181         widget_move (&info->widget, 11, 3);
 182         str_printf (buff, _("Accessed:  %s"), file_date (st.st_atime));
 183         tty_print_string (buff->str);
 184         g_string_set_size (buff, 0);
 185     case 10:
 186         widget_move (&info->widget, 10, 3);
 187         str_printf (buff, _("Modified:  %s"), file_date (st.st_mtime));
 188         tty_print_string (buff->str);
 189         g_string_set_size (buff, 0);
 190     case 9:
 191         widget_move (&info->widget, 9, 3);
 192         /* The field st_ctime is changed by writing or by setting inode
 193            information (i.e., owner, group, link count, mode, etc.).  */
 194         /* TRANSLATORS: Time of last status change as in stat(2) man. */
 195         str_printf (buff, _("Changed:   %s"), file_date (st.st_ctime));
 196         tty_print_string (buff->str);
 197         g_string_set_size (buff, 0);
 198
 199     case 8:
 200         widget_move (&info->widget, 8, 3);
 201 #ifdef HAVE_STRUCT_STAT_ST_RDEV
 202         if (S_ISCHR (st.st_mode) || S_ISBLK (st.st_mode))
 203             tty_printf (_("Dev. type: major %lu, minor %lu"),
 204                         (unsigned long) major (st.st_rdev), (unsigned long) minor (st.st_rdev));
 205         else
 206 #endif
 207         {
 208             char buffer[10];
 209             size_trunc_len (buffer, 9, st.st_size, 0, panels_options.kilobyte_si);
 210             tty_printf (_("Size:      %s"), buffer);
 211 #ifdef HAVE_STRUCT_STAT_ST_BLOCKS
 212             tty_printf (ngettext (" (%ld block)", " (%ld blocks)",
 213                                   (unsigned long int) st.st_blocks), (long int) st.st_blocks);
 214 #endif
 215         }
 216
 217     case 7:
 218         widget_move (&info->widget, 7, 3);
 219         tty_printf (_("Owner:     %s/%s"), get_owner (st.st_uid), get_group (st.st_gid));
 220
 221     case 6:
 222         widget_move (&info->widget, 6, 3);
 223         tty_printf (_("Links:     %d"), (int) st.st_nlink);
 224
 225     case 5:
 226         widget_move (&info->widget, 5, 3);
 227         tty_printf (_("Mode:      %s (%04o)"),
 228                     string_perm (st.st_mode), (unsigned) st.st_mode & 07777);
 229
 230     case 4:
 231         widget_move (&info->widget, 4, 3);
 232         tty_printf (_("Location:  %Xh:%Xh"), (int) st.st_dev, (int) st.st_ino);
 233
 234     case 3:
 235         {
 236             const char *fname;
 237
 238             widget_move (&info->widget, 3, 2);
 239             fname = current_panel->dir.list[current_panel->selected].fname;
 240             str_printf (buff, file_label, str_trunc (fname, info->widget.cols - i18n_adjust));
 241             tty_print_string (buff->str);
 242         }
 243
 244     case 2:
 245     case 1:
 246     case 0:
 247         ;
 248     }                           /* switch */
 249     g_string_free (buff, TRUE);
 250 }
 251
 252 /* --------------------------------------------------------------------------------------------- */
 253
 254 static void
 255 info_hook (void *data)
 256 {
 257     struct WInfo *info = (struct WInfo *) data;
 258     Widget *other_widget;
 259
 260     other_widget = get_panel_widget (get_current_index ());
 261     if (!other_widget)
 262         return;
 263     if (dlg_overlap (&info->widget, other_widget))
 264         return;
 265
 266     info->ready = 1;
 267     info_show_info (info);
 268 }
 269
 270 /* --------------------------------------------------------------------------------------------- */
 271
 272 static cb_ret_t
 273 info_callback (Widget * w, widget_msg_t msg, int parm)
 274 {
 275     struct WInfo *info = (struct WInfo *) w;
 276
 277     switch (msg)
 278     {
 279
 280     case WIDGET_INIT:
 281         init_my_statfs ();
 282         add_hook (&select_file_hook, info_hook, info);
 283         info->ready = 0;
 284         return MSG_HANDLED;
 285
 286     case WIDGET_DRAW:
 287         info_hook (info);
 288         return MSG_HANDLED;
 289
 290     case WIDGET_FOCUS:
 291         return MSG_NOT_HANDLED;
 292
 293     case WIDGET_DESTROY:
 294         delete_hook (&select_file_hook, info_hook);
 295         free_my_statfs ();
 296         return MSG_HANDLED;
 297
 298     default:
 299         return default_proc (msg, parm);
 300     }
 301 }
 302
 303 /* --------------------------------------------------------------------------------------------- */
 304
 305 static int
 306 info_event (Gpm_Event * event, void *data)
 307 {
 308     Widget *w = &((WInfo *) data)->widget;
 309
 310     /* rest of the upper frame, the menu is invisible - call menu */
 311     if (event->type & GPM_DOWN && event->y == 1 && !menubar_visible)
 312     {
 313         event->x += w->x;
 314         return the_menubar->widget.mouse (event, the_menubar);
 315     }
 316
 317     return MOU_NORMAL;
 318 }
 319
 320 /* --------------------------------------------------------------------------------------------- */
 321 /*** public functions ****************************************************************************/
 322 /* --------------------------------------------------------------------------------------------- */
 323
 324 WInfo *
 325 info_new (int y, int x, int lines, int cols)
 326 {
 327     struct WInfo *info = g_new (struct WInfo, 1);
 328
 329     init_widget (&info->widget, y, x, lines, cols, info_callback, info_event);
 330
 331     /* We do not want the cursor */
 332     widget_want_cursor (info->widget, 0);
 333
 334     return info;
 335 }
 336
 337 /* --------------------------------------------------------------------------------------------- */