src/panelize.c

   1 /* External panelize
   2    Copyright (C) 1995 The Free Software Foundation
   3
   4    Written by: 1995 Janne Kukonlehto
   5                1995 Jakub Jelinek
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 2 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program; if not, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  */
  21
  22 #include <config.h>
  23 #ifdef HAVE_UNISTD_H
  24 #   include <unistd.h>
  25 #endif
  26 #include <string.h>
  27 #include <stdio.h>
  28 #include <errno.h>
  29 #include <sys/types.h>
  30 #include <sys/stat.h>
  31
  32 /* Needed for the extern declarations of integer parameters */
  33 #define DIR_H_INCLUDE_HANDLE_DIRENT
  34 #include "global.h"
  35 #include "tty.h"
  36 #include "win.h"
  37 #include "color.h"
  38 #include "dlg.h"
  39 #include "widget.h"
  40 #include "dialog.h"             /* For do_refresh() */
  41 #include "wtools.h"             /* For common_dialog_repaint() */
  42 #include "setup.h"              /* For profile_bname */
  43 #include "profile.h"            /* Load/save directories panelize */
  44 #include "dir.h"
  45 #include "panel.h"              /* Needed for the externs */
  46 #include "file.h"
  47 #include "main.h"
  48 #include "../vfs/vfs.h"
  49 #include "panelize.h"
  50
  51 void do_external_panelize (char *command);
  52
  53 #define UX              5
  54 #define UY              2
  55
  56 #define BX              5
  57 #define BY              18
  58
  59 #define BUTTONS         4
  60 #define LABELS          3
  61 #define B_ADD           B_USER
  62 #define B_REMOVE        B_USER + 1
  63
  64 static WListbox *l_panelize;
  65 static Dlg_head *panelize_dlg;
  66 static int last_listitem;
  67 static WInput *pname;
  68
  69 static struct {
  70     int ret_cmd, flags, y, x;
  71     char *text;
  72     char *tkname;
  73 } panelize_but [BUTTONS] = {
  74     { B_CANCEL, NORMAL_BUTTON, 0, 53, N_("&Cancel"),  "c"},
  75     { B_ADD, NORMAL_BUTTON,    0, 28, N_("&Add new"), "a"},
  76     { B_REMOVE, NORMAL_BUTTON, 0, 16, N_("&Remove"),  "r"},
  77     { B_ENTER, DEFPUSH_BUTTON, 0,  0, N_("Pane&lize"),"l"},
  78 };
  79
  80 static char *panelize_section = "Panelize";
  81
  82 /* Directory panelize */
  83 static struct panelize {
  84     char *command;
  85     char *label;
  86     struct panelize *next;
  87 } *panelize = NULL;
  88
  89 static void
  90 update_command (void)
  91 {
  92     if (l_panelize->pos != last_listitem) {
  93         last_listitem = l_panelize->pos;
  94         assign_text (pname,
  95             ((struct panelize *) l_panelize->current->data)->command);
  96         pname->point = 0;
  97         update_input (pname, 1);
  98     }
  99 }
 100
 101 static int
 102 panelize_callback (Dlg_head * h, int Par, int Msg)
 103 {
 104     switch (Msg) {
 105     case DLG_DRAW:
 106         common_dialog_repaint (h);
 107         attrset (COLOR_NORMAL);
 108         draw_box (h, UY, UX, h->lines - 10, h->cols - 10);
 109         break;
 110
 111     case DLG_POST_KEY:
 112         /* fall */
 113     case DLG_INIT:
 114         attrset (MENU_ENTRY_COLOR);
 115         update_command ();
 116         break;
 117     }
 118     return 0;
 119 }
 120
 121 static int l_call (void *data)
 122 {
 123         return listbox_nothing;
 124 }
 125
 126 static void init_panelize (void)
 127 {
 128     int i, panelize_cols = COLS - 6;
 129     struct panelize *current = panelize;
 130
 131 #ifdef ENABLE_NLS
 132         static int i18n_flag = 0;
 133         static int maxlen = 0;
 134
 135         if (!i18n_flag)
 136         {
 137                 i = sizeof(panelize_but) / sizeof(panelize_but[0]);
 138                 while (i--)
 139                 {
 140                         panelize_but [i].text = _(panelize_but [i].text);
 141                         maxlen += strlen (panelize_but [i].text) + 5;
 142                 }
 143                 maxlen += 10;
 144
 145                 i18n_flag = 1;
 146         }
 147         panelize_cols = max(panelize_cols, maxlen);
 148
 149         panelize_but [2].x = panelize_but [3].x
 150                 + strlen (panelize_but [3].text) + 7;
 151         panelize_but [1].x = panelize_but [2].x
 152                 + strlen (panelize_but [2].text) + 5;
 153         panelize_but [0].x = panelize_cols
 154                 - strlen (panelize_but[0].text) - 8 - BX;
 155
 156 #endif /* ENABLE_NLS */
 157
 158     last_listitem = 0;
 159
 160     do_refresh ();
 161
 162     panelize_dlg = create_dlg (0, 0, 22, panelize_cols, dialog_colors,
 163                               panelize_callback, "[External panelize]",
 164                               _("External panelize"), DLG_CENTER);
 165
 166 #define XTRACT(i) BY+panelize_but[i].y, BX+panelize_but[i].x, panelize_but[i].ret_cmd, panelize_but[i].flags, panelize_but[i].text, 0, 0, panelize_but[i].tkname
 167
 168     for (i = 0; i < BUTTONS; i++)
 169         add_widget(panelize_dlg, button_new (XTRACT (i)));
 170
 171     pname = input_new (UY+14, UX, INPUT_COLOR, panelize_dlg->cols-10, "", "in");
 172     add_widget (panelize_dlg, pname);
 173
 174     add_widget (panelize_dlg, label_new (UY+13, UX, _("Command"), "label-command"));
 175
 176     /* get new listbox */
 177     l_panelize = listbox_new (UY + 1, UX + 1, panelize_dlg->cols-12, 10, 0, l_call, "li");
 178
 179     while (current){
 180         listbox_add_item (l_panelize, 0, 0, current->label, current);
 181         current = current->next;
 182     }
 183
 184     /* add listbox to the dialogs */
 185     add_widget (panelize_dlg, l_panelize);
 186
 187     listbox_select_entry (l_panelize,
 188         listbox_search_text (l_panelize, _("Other command")));
 189 }
 190
 191 static void panelize_done (void)
 192 {
 193     destroy_dlg (panelize_dlg);
 194     repaint_screen ();
 195 }
 196
 197 static void add2panelize (char *label, char *command)
 198 {
 199     struct panelize *current, *old;
 200
 201     old = NULL;
 202     current = panelize;
 203     while (current && strcmp (current->label, label) <= 0){
 204         old = current;
 205         current = current->next;
 206     }
 207
 208     if (old == NULL){
 209         panelize = g_new (struct panelize, 1);
 210         panelize->label = label;
 211         panelize->command = command;
 212         panelize->next = current;
 213     } else {
 214         struct panelize *new;
 215         new = g_new (struct panelize, 1);
 216         new->label = label;
 217         new->command = command;
 218         old->next = new;
 219         new->next = current;
 220     }
 221 }
 222
 223 void
 224 add2panelize_cmd (void)
 225 {
 226     char *label;
 227
 228     if (pname->buffer && (*pname->buffer)) {
 229         label = input_dialog (_(" Add to external panelize "),
 230                 _(" Enter command label: "),
 231                               "");
 232         if (!label)
 233             return;
 234         if (!*label) {
 235             g_free (label);
 236             return;
 237         }
 238
 239         add2panelize (label, g_strdup (pname->buffer));
 240     }
 241 }
 242
 243 static void remove_from_panelize (struct panelize *entry)
 244 {
 245     if (strcmp (entry->label, _("Other command")) != 0) {
 246         if (entry == panelize) {
 247             panelize = panelize->next;
 248         } else {
 249             struct panelize *current = panelize;
 250             while (current && current->next != entry)
 251                 current = current->next;
 252             if (current) {
 253                 current->next = entry->next;
 254             }
 255         }
 256
 257         g_free (entry->label);
 258         g_free (entry->command);
 259         g_free (entry);
 260     }
 261 }
 262
 263 void
 264 external_panelize (void)
 265 {
 266     char *target = NULL;
 267
 268     if (!vfs_current_is_local ()){
 269         message (1, _(" Oops... "),
 270                  _(" I can't run external panelize while logged on a non local directory "));
 271         return;
 272     }
 273
 274     init_panelize ();
 275
 276     /* display file info */
 277     attrset (SELECTED_COLOR);
 278
 279     run_dlg (panelize_dlg);
 280
 281     switch (panelize_dlg->ret_value) {
 282     case B_CANCEL:
 283         break;
 284
 285     case B_ADD:
 286         add2panelize_cmd ();
 287         break;
 288
 289     case B_REMOVE:
 290         remove_from_panelize (l_panelize->current->data);
 291         break;
 292
 293     case B_ENTER:
 294         target = pname->buffer;
 295         if (target != NULL && *target) {
 296             char *cmd = g_strdup (target);
 297             destroy_dlg (panelize_dlg);
 298             do_external_panelize (cmd);
 299             g_free (cmd);
 300             repaint_screen ();
 301             return;
 302         }
 303         break;
 304     }
 305
 306     panelize_done ();
 307 }
 308
 309 void load_panelize (void)
 310 {
 311     void *profile_keys;
 312     char *key, *value;
 313
 314     profile_keys = profile_init_iterator (panelize_section, profile_name);
 315
 316     add2panelize (g_strdup (_("Other command")), g_strdup (""));
 317
 318     if (!profile_keys){
 319         add2panelize (g_strdup (_("Find rejects after patching")), g_strdup ("find . -name \\*.rej -print"));
 320         add2panelize (g_strdup (_("Find *.orig after patching")), g_strdup ("find . -name \\*.orig -print"));
 321         add2panelize (g_strdup (_("Find SUID and SGID programs")), g_strdup ("find . \\( \\( -perm -04000 -a -perm +011 \\) -o \\( -perm -02000 -a -perm +01 \\) \\) -print"));
 322         return;
 323     }
 324
 325     while (profile_keys){
 326         profile_keys = profile_iterator_next (profile_keys, &key, &value);
 327         add2panelize (g_strdup (key), g_strdup (value));
 328     }
 329 }
 330
 331 void save_panelize (void)
 332 {
 333     struct panelize *current = panelize;
 334
 335     profile_clean_section (panelize_section, profile_name);
 336     for (;current; current = current->next){
 337         if (strcmp (current->label, _("Other command")))
 338             WritePrivateProfileString (panelize_section,
 339                                        current->label,
 340                                        current->command,
 341                                        profile_name);
 342     }
 343     sync_profiles ();
 344 }
 345
 346 void done_panelize (void)
 347 {
 348     struct panelize *current = panelize;
 349     struct panelize *next;
 350
 351     for (; current; current = next){
 352         next = current->next;
 353         g_free (current->label);
 354         g_free (current->command);
 355         g_free (current);
 356     }
 357 }
 358
 359 void do_external_panelize (char *command)
 360 {
 361     int status, link_to_dir, stalled_link;
 362     int next_free = 0;
 363     struct stat buf;
 364     dir_list *list = &cpanel->dir;
 365     char line [MC_MAXPATHLEN];
 366     char *name;
 367     FILE *external;
 368
 369     open_error_pipe ();
 370     external = popen (command, "r");
 371     if (!external){
 372         close_error_pipe (1, _("Cannot invoke command."));
 373         return;
 374     }
 375     /* Clear the counters and the directory list */
 376     panel_clean_dir (cpanel);
 377
 378     while (1) {
 379         clearerr(external);
 380         if (fgets (line, MC_MAXPATHLEN, external) == NULL) {
 381             if (ferror(external) && errno == EINTR)
 382                 continue;
 383             else
 384                 break;
 385         }
 386         if (line[strlen(line)-1] == '\n')
 387             line[strlen(line)-1] = 0;
 388         if (strlen(line) < 1)
 389             continue;
 390         if (line [0] == '.' && line[1] == PATH_SEP)
 391             name = line + 2;
 392         else
 393             name = line;
 394         status = handle_path (list, name, &buf, next_free, &link_to_dir,
 395             &stalled_link);
 396         if (status == 0)
 397             continue;
 398         if (status == -1)
 399             break;
 400         list->list [next_free].fnamelen = strlen (name);
 401         list->list [next_free].fname = g_strdup (name);
 402         file_mark (cpanel, next_free, 0);
 403         list->list [next_free].f.link_to_dir = link_to_dir;
 404         list->list [next_free].f.stalled_link = stalled_link;
 405         list->list [next_free].f.dir_size_computed = 0;
 406         list->list [next_free].buf = buf;
 407         next_free++;
 408         if (!(next_free & 32))
 409             rotate_dash ();
 410     }
 411
 412     cpanel->is_panelized = 1;
 413     if (next_free){
 414         cpanel->count = next_free;
 415         if (list->list [0].fname [0] == PATH_SEP){
 416             strcpy (cpanel->cwd, PATH_SEP_STR);
 417             chdir (PATH_SEP_STR);
 418         }
 419     } else {
 420         cpanel->count = set_zero_dir (list);
 421     }
 422 #ifndef SCO_FLAVOR
 423     if (pclose (external) < 0)
 424 #else /* SCO_FLAVOR */
 425     if (WEXITSTATUS(pclose (external)) < 0)
 426 #endif /* SCO_FLAVOR */
 427         message (0, _("External panelize"), _("Pipe close failed"));
 428     close_error_pipe (0, 0);
 429     try_to_select (cpanel, NULL);
 430     panel_re_sort (cpanel);
 431     paint_panel (cpanel);
 432 }