src/filemanager/panelize.c

   1 /* External panelize
   2    Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
   3    2007, 2009 Free Software Foundation, Inc.
   4
   5    Written by: 1995 Janne Kukonlehto
   6    1995 Jakub Jelinek
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  21  */
  22
  23 /** \file panelize.c
  24  *  \brief Source: External panelization module
  25  */
  26
  27 #include <config.h>
  28
  29 #include <errno.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32 #include <sys/types.h>
  33 #include <sys/stat.h>
  34 #include <unistd.h>
  35
  36 #include "lib/global.h"
  37
  38 #include "lib/skin.h"
  39 #include "lib/vfs/mc-vfs/vfs.h"
  40 #include "lib/mcconfig.h"       /* Load/save directories panelize */
  41 #include "lib/strutil.h"
  42 #include "lib/util.h"
  43 #include "lib/widget.h"
  44
  45 #include "src/setup.h"          /* For profile_bname */
  46 #include "src/main.h"
  47 #include "src/history.h"
  48
  49 #include "dir.h"
  50 #include "midnight.h"           /* current_panel */
  51 #include "layout.h"             /* repaint_screen() */
  52
  53 #include "panelize.h"
  54
  55 /*** global variables ****************************************************************************/
  56
  57 /*** file scope macro definitions ****************************************************************/
  58
  59 #define UX 5
  60 #define UY 2
  61
  62 #define BX 5
  63 #define BY 18
  64
  65 #define BUTTONS  4
  66 #define LABELS   3
  67 #define B_ADD    B_USER
  68 #define B_REMOVE (B_USER + 1)
  69
  70 /*** file scope type declarations ****************************************************************/
  71
  72 /*** file scope variables ************************************************************************/
  73
  74 static WListbox *l_panelize;
  75 static Dlg_head *panelize_dlg;
  76 static int last_listitem;
  77 static WInput *pname;
  78
  79 static struct
  80 {
  81     int ret_cmd;
  82     button_flags_t flags;
  83     int y, x;
  84     const char *text;
  85 } panelize_but[BUTTONS] =
  86 {
  87     /* *INDENT-OFF* */
  88     { B_CANCEL, NORMAL_BUTTON, 0, 53, N_("&Cancel") },
  89     { B_ADD, NORMAL_BUTTON, 0, 28, N_("&Add new") },
  90     { B_REMOVE, NORMAL_BUTTON, 0, 16, N_("&Remove") },
  91     { B_ENTER, DEFPUSH_BUTTON, 0, 0, N_("Pane&lize") }
  92     /* *INDENT-ON* */
  93 };
  94
  95 static const char *panelize_section = "Panelize";
  96
  97 /* Directory panelize */
  98 static struct panelize
  99 {
 100     char *command;
 101     char *label;
 102     struct panelize *next;
 103 } *panelize = NULL;
 104
 105 /*** file scope functions ************************************************************************/
 106 /* --------------------------------------------------------------------------------------------- */
 107
 108 static void do_external_panelize (char *command);
 109
 110 /* --------------------------------------------------------------------------------------------- */
 111
 112 static void
 113 update_command (void)
 114 {
 115     if (l_panelize->pos != last_listitem)
 116     {
 117         struct panelize *data = NULL;
 118
 119         last_listitem = l_panelize->pos;
 120         listbox_get_current (l_panelize, NULL, (void **) &data);
 121         input_assign_text (pname, data->command);
 122         pname->point = 0;
 123         input_update (pname, TRUE);
 124     }
 125 }
 126
 127 /* --------------------------------------------------------------------------------------------- */
 128
 129 static cb_ret_t
 130 panelize_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
 131 {
 132     switch (msg)
 133     {
 134     case DLG_INIT:
 135     case DLG_POST_KEY:
 136         tty_setcolor (MENU_ENTRY_COLOR);
 137         update_command ();
 138         return MSG_HANDLED;
 139
 140     case DLG_DRAW:
 141         common_dialog_repaint (h);
 142         tty_setcolor (COLOR_NORMAL);
 143         draw_box (h, UY, UX, h->lines - 10, h->cols - 10, TRUE);
 144         return MSG_HANDLED;
 145
 146     default:
 147         return default_dlg_callback (h, sender, msg, parm, data);
 148     }
 149 }
 150
 151 /* --------------------------------------------------------------------------------------------- */
 152
 153 static void
 154 init_panelize (void)
 155 {
 156     int i, panelize_cols = COLS - 6;
 157     struct panelize *current = panelize;
 158
 159 #ifdef ENABLE_NLS
 160     static int i18n_flag = 0;
 161     static int maxlen = 0;
 162
 163     if (!i18n_flag)
 164     {
 165         i = sizeof (panelize_but) / sizeof (panelize_but[0]);
 166         while (i--)
 167         {
 168             panelize_but[i].text = _(panelize_but[i].text);
 169             maxlen += str_term_width1 (panelize_but[i].text) + 5;
 170         }
 171         maxlen += 10;
 172
 173         i18n_flag = 1;
 174     }
 175     panelize_cols = max (panelize_cols, maxlen);
 176
 177     panelize_but[2].x = panelize_but[3].x + str_term_width1 (panelize_but[3].text) + 7;
 178     panelize_but[1].x = panelize_but[2].x + str_term_width1 (panelize_but[2].text) + 5;
 179     panelize_but[0].x = panelize_cols - str_term_width1 (panelize_but[0].text) - 8 - BX;
 180
 181 #endif /* ENABLE_NLS */
 182
 183     last_listitem = 0;
 184
 185     do_refresh ();
 186
 187     panelize_dlg =
 188         create_dlg (TRUE, 0, 0, 22, panelize_cols, dialog_colors,
 189                     panelize_callback, "[External panelize]",
 190                     _("External panelize"), DLG_CENTER | DLG_REVERSE);
 191
 192     for (i = 0; i < BUTTONS; i++)
 193         add_widget (panelize_dlg,
 194                     button_new (BY + panelize_but[i].y,
 195                                 BX + panelize_but[i].x,
 196                                 panelize_but[i].ret_cmd,
 197                                 panelize_but[i].flags, panelize_but[i].text, 0));
 198
 199     pname =
 200         input_new (UY + 14, UX, input_get_default_colors (),
 201                    panelize_dlg->cols - 10, "", "in", INPUT_COMPLETE_DEFAULT);
 202     add_widget (panelize_dlg, pname);
 203
 204     add_widget (panelize_dlg, label_new (UY + 13, UX, _("Command")));
 205
 206     /* get new listbox */
 207     l_panelize = listbox_new (UY + 1, UX + 1, 10, panelize_dlg->cols - 12, FALSE, NULL);
 208
 209     while (current)
 210     {
 211         listbox_add_item (l_panelize, LISTBOX_APPEND_AT_END, 0, current->label, current);
 212         current = current->next;
 213     }
 214
 215     /* add listbox to the dialogs */
 216     add_widget (panelize_dlg, l_panelize);
 217
 218     listbox_select_entry (l_panelize, listbox_search_text (l_panelize, _("Other command")));
 219 }
 220
 221 /* --------------------------------------------------------------------------------------------- */
 222
 223 static void
 224 panelize_done (void)
 225 {
 226     destroy_dlg (panelize_dlg);
 227     repaint_screen ();
 228 }
 229
 230 /* --------------------------------------------------------------------------------------------- */
 231
 232 static void
 233 add2panelize (char *label, char *command)
 234 {
 235     struct panelize *current, *old;
 236
 237     old = NULL;
 238     current = panelize;
 239     while (current && strcmp (current->label, label) <= 0)
 240     {
 241         old = current;
 242         current = current->next;
 243     }
 244
 245     if (old == NULL)
 246     {
 247         panelize = g_new (struct panelize, 1);
 248         panelize->label = label;
 249         panelize->command = command;
 250         panelize->next = current;
 251     }
 252     else
 253     {
 254         struct panelize *new;
 255         new = g_new (struct panelize, 1);
 256         new->label = label;
 257         new->command = command;
 258         old->next = new;
 259         new->next = current;
 260     }
 261 }
 262
 263 /* --------------------------------------------------------------------------------------------- */
 264
 265 static void
 266 add2panelize_cmd (void)
 267 {
 268     char *label;
 269
 270     if (pname->buffer && (*pname->buffer))
 271     {
 272         label = input_dialog (_("Add to external panelize"),
 273                               _("Enter command label:"), MC_HISTORY_FM_PANELIZE_ADD, "");
 274         if (!label)
 275             return;
 276         if (!*label)
 277         {
 278             g_free (label);
 279             return;
 280         }
 281
 282         add2panelize (label, g_strdup (pname->buffer));
 283     }
 284 }
 285
 286 /* --------------------------------------------------------------------------------------------- */
 287
 288 static void
 289 remove_from_panelize (struct panelize *entry)
 290 {
 291     if (strcmp (entry->label, _("Other command")) != 0)
 292     {
 293         if (entry == panelize)
 294         {
 295             panelize = panelize->next;
 296         }
 297         else
 298         {
 299             struct panelize *current = panelize;
 300             while (current && current->next != entry)
 301                 current = current->next;
 302             if (current)
 303             {
 304                 current->next = entry->next;
 305             }
 306         }
 307
 308         g_free (entry->label);
 309         g_free (entry->command);
 310         g_free (entry);
 311     }
 312 }
 313
 314 /* --------------------------------------------------------------------------------------------- */
 315
 316 static void
 317 do_external_panelize (char *command)
 318 {
 319     int status, link_to_dir, stale_link;
 320     int next_free = 0;
 321     struct stat st;
 322     dir_list *list = &current_panel->dir;
 323     char line[MC_MAXPATHLEN];
 324     char *name;
 325     FILE *external;
 326
 327     open_error_pipe ();
 328     external = popen (command, "r");
 329     if (!external)
 330     {
 331         close_error_pipe (D_ERROR, _("Cannot invoke command."));
 332         return;
 333     }
 334     /* Clear the counters and the directory list */
 335     panel_clean_dir (current_panel);
 336
 337     while (1)
 338     {
 339         clearerr (external);
 340         if (fgets (line, MC_MAXPATHLEN, external) == NULL)
 341         {
 342             if (ferror (external) && errno == EINTR)
 343                 continue;
 344             else
 345                 break;
 346         }
 347         if (line[strlen (line) - 1] == '\n')
 348             line[strlen (line) - 1] = 0;
 349         if (strlen (line) < 1)
 350             continue;
 351         if (line[0] == '.' && line[1] == PATH_SEP)
 352             name = line + 2;
 353         else
 354             name = line;
 355         status = handle_path (list, name, &st, next_free, &link_to_dir, &stale_link);
 356         if (status == 0)
 357             continue;
 358         if (status == -1)
 359             break;
 360         list->list[next_free].fnamelen = strlen (name);
 361         list->list[next_free].fname = g_strdup (name);
 362         file_mark (current_panel, next_free, 0);
 363         list->list[next_free].f.link_to_dir = link_to_dir;
 364         list->list[next_free].f.stale_link = stale_link;
 365         list->list[next_free].f.dir_size_computed = 0;
 366         list->list[next_free].st = st;
 367         list->list[next_free].sort_key = NULL;
 368         list->list[next_free].second_sort_key = NULL;
 369         next_free++;
 370         if (!(next_free & 32))
 371             rotate_dash ();
 372     }
 373
 374     current_panel->is_panelized = 1;
 375     if (next_free)
 376     {
 377         current_panel->count = next_free;
 378         if (list->list[0].fname[0] == PATH_SEP)
 379         {
 380             int ret;
 381             strcpy (current_panel->cwd, PATH_SEP_STR);
 382             ret = chdir (PATH_SEP_STR);
 383         }
 384     }
 385     else
 386     {
 387         current_panel->count = set_zero_dir (list) ? 1 : 0;
 388     }
 389     if (pclose (external) < 0)
 390         message (D_NORMAL, _("External panelize"), _("Pipe close failed"));
 391     close_error_pipe (D_NORMAL, NULL);
 392     try_to_select (current_panel, NULL);
 393     panel_re_sort (current_panel);
 394 }
 395
 396 /* --------------------------------------------------------------------------------------------- */
 397 /*** public functions ****************************************************************************/
 398 /* --------------------------------------------------------------------------------------------- */
 399
 400 void
 401 external_panelize (void)
 402 {
 403     char *target = NULL;
 404
 405     if (!vfs_current_is_local ())
 406     {
 407         message (D_ERROR, MSG_ERROR, _("Cannot run external panelize in a non-local directory"));
 408         return;
 409     }
 410
 411     init_panelize ();
 412
 413     /* display file info */
 414     tty_setcolor (SELECTED_COLOR);
 415
 416     run_dlg (panelize_dlg);
 417
 418     switch (panelize_dlg->ret_value)
 419     {
 420     case B_CANCEL:
 421         break;
 422
 423     case B_ADD:
 424         add2panelize_cmd ();
 425         break;
 426
 427     case B_REMOVE:
 428         {
 429             struct panelize *entry;
 430
 431             listbox_get_current (l_panelize, NULL, (void **) &entry);
 432             remove_from_panelize (entry);
 433             break;
 434         }
 435
 436     case B_ENTER:
 437         target = pname->buffer;
 438         if (target != NULL && *target)
 439         {
 440             char *cmd = g_strdup (target);
 441             destroy_dlg (panelize_dlg);
 442             do_external_panelize (cmd);
 443             g_free (cmd);
 444             repaint_screen ();
 445             return;
 446         }
 447         break;
 448     }
 449
 450     panelize_done ();
 451 }
 452
 453 /* --------------------------------------------------------------------------------------------- */
 454
 455 void
 456 load_panelize (void)
 457 {
 458     gchar **profile_keys, **keys;
 459     gsize len;
 460     GIConv conv;
 461     GString *buffer;
 462
 463     conv = str_crt_conv_from ("UTF-8");
 464
 465     profile_keys = keys = mc_config_get_keys (mc_main_config, panelize_section, &len);
 466
 467     add2panelize (g_strdup (_("Other command")), g_strdup (""));
 468
 469     if (!profile_keys || *profile_keys == NULL)
 470     {
 471         add2panelize (g_strdup (_("Find rejects after patching")),
 472                       g_strdup ("find . -name \\*.rej -print"));
 473         add2panelize (g_strdup (_("Find *.orig after patching")),
 474                       g_strdup ("find . -name \\*.orig -print"));
 475         add2panelize (g_strdup (_("Find SUID and SGID programs")),
 476                       g_strdup
 477                       ("find . \\( \\( -perm -04000 -a -perm +011 \\) -o \\( -perm -02000 -a -perm +01 \\) \\) -print"));
 478         return;
 479     }
 480
 481     while (*profile_keys)
 482     {
 483
 484         if (utf8_display || conv == INVALID_CONV)
 485         {
 486             buffer = g_string_new (*profile_keys);
 487         }
 488         else
 489         {
 490             buffer = g_string_new ("");
 491             if (str_convert (conv, *profile_keys, buffer) == ESTR_FAILURE)
 492             {
 493                 g_string_free (buffer, TRUE);
 494                 buffer = g_string_new (*profile_keys);
 495             }
 496         }
 497
 498         add2panelize (g_string_free (buffer, FALSE),
 499                       mc_config_get_string (mc_main_config, panelize_section, *profile_keys, ""));
 500         profile_keys++;
 501     }
 502     g_strfreev (keys);
 503     str_close_conv (conv);
 504 }
 505
 506 /* --------------------------------------------------------------------------------------------- */
 507
 508 void
 509 save_panelize (void)
 510 {
 511     struct panelize *current = panelize;
 512
 513     mc_config_del_group (mc_main_config, panelize_section);
 514     for (; current; current = current->next)
 515     {
 516         if (strcmp (current->label, _("Other command")))
 517             mc_config_set_string (mc_main_config,
 518                                   panelize_section, current->label, current->command);
 519     }
 520     mc_config_save_file (mc_main_config, NULL);
 521 }
 522
 523 /* --------------------------------------------------------------------------------------------- */
 524
 525 void
 526 done_panelize (void)
 527 {
 528     struct panelize *current = panelize;
 529     struct panelize *next;
 530
 531     for (; current; current = next)
 532     {
 533         next = current->next;
 534         g_free (current->label);
 535         g_free (current->command);
 536         g_free (current);
 537     }
 538 }
 539
 540 /* --------------------------------------------------------------------------------------------- */