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