src/editors.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 The Geeqie Team
   5  *
   6  * Author: John Ellis
   7  *
   8  * This software is released under the GNU General Public License (GNU GPL).
   9  * Please read the included file COPYING for more information.
  10  * This software comes with no warranty of any kind, use at your own risk!
  11  */
  12
  13
  14 #include "main.h"
  15 #include "editors.h"
  16
  17 #include "filedata.h"
  18 #include "filefilter.h"
  19 #include "utilops.h"
  20 #include "ui_fileops.h"
  21 #include "ui_spinner.h"
  22 #include "ui_utildlg.h"
  23
  24 #include <errno.h>
  25
  26
  27 #define EDITOR_WINDOW_WIDTH 500
  28 #define EDITOR_WINDOW_HEIGHT 300
  29
  30
  31
  32 typedef struct _EditorVerboseData EditorVerboseData;
  33 struct _EditorVerboseData {
  34         GenericDialog *gd;
  35         GtkWidget *button_close;
  36         GtkWidget *button_stop;
  37         GtkWidget *text;
  38         GtkWidget *progress;
  39         GtkWidget *spinner;
  40 };
  41
  42 typedef struct _EditorData EditorData;
  43 struct _EditorData {
  44         gint flags;
  45         GPid pid;
  46         gchar *command_template;
  47         GList *list;
  48         gint count;
  49         gint total;
  50         gboolean stopping;
  51         EditorVerboseData *vd;
  52         EditorCallback callback;
  53         gpointer data;
  54 };
  55
  56
  57 static Editor editor_slot_defaults[GQ_EDITOR_SLOTS] = {
  58         { N_("The Gimp"), "gimp-remote %{.cr2;.crw;.nef;.raw;*}f" },
  59         { N_("XV"), "xv %f" },
  60         { N_("Xpaint"), "xpaint %f" },
  61         { N_("UFraw"), "ufraw %{.cr2;.crw;.nef;.raw}p" },
  62         { N_("Add XMP sidecar"), "%vFILE=%{.cr2;.crw;.nef;.raw}p;XMP=`echo \"$FILE\"|sed -e 's|\\.[^.]*$|.xmp|'`; exiftool -tagsfromfile \"$FILE\" \"$XMP\"" },
  63         { NULL, NULL },
  64         { NULL, NULL },
  65         { NULL, NULL },
  66         { N_("Rotate jpeg clockwise"), "%vif jpegtran -rotate 90 -copy all -outfile %{.jpg;.jpeg}p_tmp %{.jpg;.jpeg}p; then mv %{.jpg;.jpeg}p_tmp %{.jpg;.jpeg}p;else rm %{.jpg;.jpeg}p_tmp;fi" },
  67         { N_("Rotate jpeg counterclockwise"), "%vif jpegtran -rotate 270 -copy all -outfile %{.jpg;.jpeg}p_tmp %{.jpg;.jpeg}p; then mv %{.jpg;.jpeg}p_tmp %{.jpg;.jpeg}p;else rm %{.jpg;.jpeg}p_tmp;fi" },
  68         /* special slots */
  69 #if 1
  70         /* for testing */
  71         { N_("External Copy command"), "%vset -x;cp %p %d" },
  72         { N_("External Move command"), "%vset -x;mv %p %d" },
  73         { N_("External Rename command"), "%vset -x;mv %p %d" },
  74         { N_("External Delete command"), NULL },
  75         { N_("External New Folder command"), NULL },
  76 #else
  77         { N_("External Copy command"), NULL },
  78         { N_("External Move command"), NULL },
  79         { N_("External Rename command"), NULL },
  80         { N_("External Delete command"), NULL },
  81         { N_("External New Folder command"), NULL },
  82 #endif
  83 };
  84
  85 static void editor_verbose_window_progress(EditorData *ed, const gchar *text);
  86 static gint editor_command_next_start(EditorData *ed);
  87 static gint editor_command_next_finish(EditorData *ed, gint status);
  88 static gint editor_command_done(EditorData *ed);
  89
  90 /*
  91  *-----------------------------------------------------------------------------
  92  * external editor routines
  93  *-----------------------------------------------------------------------------
  94  */
  95
  96 void editor_reset_defaults(void)
  97 {
  98         gint i;
  99
 100         for (i = 0; i < GQ_EDITOR_SLOTS; i++)
 101                 {
 102                 g_free(options->editor[i].name);
 103                 options->editor[i].name = g_strdup(_(editor_slot_defaults[i].name));
 104                 g_free(options->editor[i].command);
 105                 options->editor[i].command = g_strdup(editor_slot_defaults[i].command);
 106                 }
 107 }
 108
 109 static void editor_verbose_data_free(EditorData *ed)
 110 {
 111         if (!ed->vd) return;
 112         g_free(ed->vd);
 113         ed->vd = NULL;
 114 }
 115
 116 static void editor_data_free(EditorData *ed)
 117 {
 118         editor_verbose_data_free(ed);
 119         g_free(ed->command_template);
 120         g_free(ed);
 121 }
 122
 123 static void editor_verbose_window_close(GenericDialog *gd, gpointer data)
 124 {
 125         EditorData *ed = data;
 126
 127         generic_dialog_close(gd);
 128         editor_verbose_data_free(ed);
 129         if (ed->pid == -1) editor_data_free(ed); /* the process has already terminated */
 130 }
 131
 132 static void editor_verbose_window_stop(GenericDialog *gd, gpointer data)
 133 {
 134         EditorData *ed = data;
 135         ed->stopping = TRUE;
 136         ed->count = 0;
 137         editor_verbose_window_progress(ed, _("stopping..."));
 138 }
 139
 140 static void editor_verbose_window_enable_close(EditorVerboseData *vd)
 141 {
 142         vd->gd->cancel_cb = editor_verbose_window_close;
 143
 144         spinner_set_interval(vd->spinner, -1);
 145         gtk_widget_set_sensitive(vd->button_stop, FALSE);
 146         gtk_widget_set_sensitive(vd->button_close, TRUE);
 147 }
 148
 149 static EditorVerboseData *editor_verbose_window(EditorData *ed, const gchar *text)
 150 {
 151         EditorVerboseData *vd;
 152         GtkWidget *scrolled;
 153         GtkWidget *hbox;
 154         gchar *buf;
 155
 156         vd = g_new0(EditorVerboseData, 1);
 157
 158         vd->gd = file_util_gen_dlg(_("Edit command results"), GQ_WMCLASS, "editor_results",
 159                                    NULL, FALSE,
 160                                    NULL, ed);
 161         buf = g_strdup_printf(_("Output of %s"), text);
 162         generic_dialog_add_message(vd->gd, NULL, buf, NULL);
 163         g_free(buf);
 164         vd->button_stop = generic_dialog_add_button(vd->gd, GTK_STOCK_STOP, NULL,
 165                                                    editor_verbose_window_stop, FALSE);
 166         gtk_widget_set_sensitive(vd->button_stop, FALSE);
 167         vd->button_close = generic_dialog_add_button(vd->gd, GTK_STOCK_CLOSE, NULL,
 168                                                     editor_verbose_window_close, TRUE);
 169         gtk_widget_set_sensitive(vd->button_close, FALSE);
 170
 171         scrolled = gtk_scrolled_window_new(NULL, NULL);
 172         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolled), GTK_SHADOW_IN);
 173         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled),
 174                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
 175         gtk_box_pack_start(GTK_BOX(vd->gd->vbox), scrolled, TRUE, TRUE, 5);
 176         gtk_widget_show(scrolled);
 177
 178         vd->text = gtk_text_view_new();
 179         gtk_text_view_set_editable(GTK_TEXT_VIEW(vd->text), FALSE);
 180         gtk_widget_set_size_request(vd->text, EDITOR_WINDOW_WIDTH, EDITOR_WINDOW_HEIGHT);
 181         gtk_container_add(GTK_CONTAINER(scrolled), vd->text);
 182         gtk_widget_show(vd->text);
 183
 184         hbox = gtk_hbox_new(FALSE, 0);
 185         gtk_box_pack_start(GTK_BOX(vd->gd->vbox), hbox, FALSE, FALSE, 0);
 186         gtk_widget_show(hbox);
 187
 188         vd->progress = gtk_progress_bar_new();
 189         gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(vd->progress), 0.0);
 190         gtk_box_pack_start(GTK_BOX(hbox), vd->progress, TRUE, TRUE, 0);
 191         gtk_widget_show(vd->progress);
 192
 193         vd->spinner = spinner_new(NULL, SPINNER_SPEED);
 194         gtk_box_pack_start(GTK_BOX(hbox), vd->spinner, FALSE, FALSE, 0);
 195         gtk_widget_show(vd->spinner);
 196
 197         gtk_widget_show(vd->gd->dialog);
 198
 199         ed->vd = vd;
 200         return vd;
 201 }
 202
 203 static void editor_verbose_window_fill(EditorVerboseData *vd, gchar *text, gint len)
 204 {
 205         GtkTextBuffer *buffer;
 206         GtkTextIter iter;
 207
 208         buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(vd->text));
 209         gtk_text_buffer_get_iter_at_offset(buffer, &iter, -1);
 210         gtk_text_buffer_insert(buffer, &iter, text, len);
 211 }
 212
 213 static void editor_verbose_window_progress(EditorData *ed, const gchar *text)
 214 {
 215         if (!ed->vd) return;
 216
 217         if (ed->total)
 218                 {
 219                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(ed->vd->progress), (double)ed->count / ed->total);
 220                 }
 221
 222         gtk_progress_bar_set_text(GTK_PROGRESS_BAR(ed->vd->progress), (text) ? text : "");
 223 }
 224
 225 static gboolean editor_verbose_io_cb(GIOChannel *source, GIOCondition condition, gpointer data)
 226 {
 227         EditorData *ed = data;
 228         gchar buf[512];
 229         gsize count;
 230
 231         if (condition & G_IO_IN)
 232                 {
 233                 while (g_io_channel_read_chars(source, buf, sizeof(buf), &count, NULL) == G_IO_STATUS_NORMAL)
 234                         {
 235                         if (!g_utf8_validate(buf, count, NULL))
 236                                 {
 237                                 gchar *utf8;
 238
 239                                 utf8 = g_locale_to_utf8(buf, count, NULL, NULL, NULL);
 240                                 if (utf8)
 241                                         {
 242                                         editor_verbose_window_fill(ed->vd, utf8, -1);
 243                                         g_free(utf8);
 244                                         }
 245                                 else
 246                                         {
 247                                         editor_verbose_window_fill(ed->vd, "Error converting text to valid utf8\n", -1);
 248                                         }
 249                                 }
 250                         else
 251                                 {
 252                                 editor_verbose_window_fill(ed->vd, buf, count);
 253                                 }
 254                         }
 255                 }
 256
 257         if (condition & (G_IO_ERR | G_IO_HUP))
 258                 {
 259                 g_io_channel_shutdown(source, TRUE, NULL);
 260                 return FALSE;
 261                 }
 262
 263         return TRUE;
 264 }
 265
 266 typedef enum {
 267         PATH_FILE,
 268         PATH_DEST
 269 } PathType;
 270
 271
 272 static gchar *editor_command_path_parse(const FileData *fd, PathType type, const gchar *extensions)
 273 {
 274         GString *string;
 275         gchar *pathl;
 276         const gchar *p = NULL;
 277
 278         string = g_string_new("");
 279
 280         if (type == PATH_FILE)
 281                 {
 282                 GList *ext_list = filter_to_list(extensions);
 283                 GList *work = ext_list;
 284
 285                 if (!work)
 286                         p = fd->path;
 287                 else
 288                         {
 289                         while (work)
 290                                 {
 291                                 GList *work2;
 292                                 gchar *ext = work->data;
 293                                 work = work->next;
 294
 295                                 if (strcmp(ext, "*") == 0 ||
 296                                     strcasecmp(ext, fd->extension) == 0)
 297                                         {
 298                                         p = fd->path;
 299                                         break;
 300                                         }
 301
 302                                 work2 = fd->sidecar_files;
 303                                 while (work2)
 304                                         {
 305                                         FileData *sfd = work2->data;
 306                                         work2 = work2->next;
 307
 308                                         if (strcasecmp(ext, sfd->extension) == 0)
 309                                                 {
 310                                                 p = sfd->path;
 311                                                 break;
 312                                                 }
 313                                         }
 314                                 if (p) break;
 315                                 }
 316                         string_list_free(ext_list);
 317                         if (!p) return NULL;
 318                         }
 319                 }
 320         else if (type == PATH_DEST)
 321                 {
 322                 if (fd->change && fd->change->dest)
 323                         p = fd->change->dest;
 324                 else
 325                         p = "";
 326                 }
 327
 328         while (*p != '\0')
 329                 {
 330                 /* must escape \, ", `, and $ to avoid problems,
 331                  * we assume system shell supports bash-like escaping
 332                  */
 333                 if (strchr("\\\"`$", *p) != NULL)
 334                         {
 335                         string = g_string_append_c(string, '\\');
 336                         }
 337                 string = g_string_append_c(string, *p);
 338                 p++;
 339                 }
 340
 341         pathl = path_from_utf8(string->str);
 342         g_string_free(string, TRUE);
 343
 344         return pathl;
 345 }
 346
 347
 348 /*
 349  * The supported macros for editor commands:
 350  *
 351  *   %f   first occurence replaced by quoted sequence of filenames, command is run once.
 352  *        only one occurence of this macro is supported.
 353  *        ([ls %f] results in [ls "file1" "file2" ... "lastfile"])
 354  *   %p   command is run for each filename in turn, each instance replaced with single filename.
 355  *        multiple occurences of this macro is supported for complex shell commands.
 356  *        This macro will BLOCK THE APPLICATION until it completes, since command is run once
 357  *        for every file in syncronous order. To avoid blocking add the %v macro, below.
 358  *        ([ls %p] results in [ls "file1"], [ls "file2"] ... [ls "lastfile"])
 359  *   none if no macro is supplied, the result is equivalent to "command %f"
 360  *        ([ls] results in [ls "file1" "file2" ... "lastfile"])
 361  *
 362  *  Only one of the macros %f or %p may be used in a given commmand.
 363  *
 364  *   %v   must be the first two characters[1] in a command, causes a window to display
 365  *        showing the output of the command(s).
 366  *   %V   same as %v except in the case of %p only displays a window for multiple files,
 367  *        operating on a single file is suppresses the output dialog.
 368  *
 369  *   %w   must be first two characters in a command, presence will disable full screen
 370  *        from exiting upon invocation.
 371  *
 372  *
 373  * [1] Note: %v,%V may also be preceded by "%w".
 374  */
 375
 376
 377 gint editor_command_parse(const gchar *template, GList *list, gchar **output)
 378 {
 379         gint flags = 0;
 380         const gchar *p = template;
 381         GString *result = NULL;
 382         gchar *extensions = NULL;
 383
 384         if (output)
 385                 result = g_string_new("");
 386
 387         if (!template || template[0] == '\0')
 388                 {
 389                 flags |= EDITOR_ERROR_EMPTY;
 390                 goto err;
 391                 }
 392
 393         /* skip leading whitespaces if any */
 394         while (g_ascii_isspace(*p)) p++;
 395
 396         /* global flags */
 397         while (*p == '%')
 398                 {
 399                 switch (*++p)
 400                         {
 401                         case 'w':
 402                                 flags |= EDITOR_KEEP_FS;
 403                                 p++;
 404                                 break;
 405                         case 'v':
 406                                 flags |= EDITOR_VERBOSE;
 407                                 p++;
 408                                 break;
 409                         case 'V':
 410                                 flags |= EDITOR_VERBOSE_MULTI;
 411                                 p++;
 412                                 break;
 413                         default:
 414                                 flags |= EDITOR_ERROR_SYNTAX;
 415                                 goto err;
 416                         }
 417                 }
 418
 419         /* skip whitespaces if any */
 420         while (g_ascii_isspace(*p)) p++;
 421
 422         /* command */
 423
 424         while (*p)
 425                 {
 426                 if (*p != '%')
 427                         {
 428                         if (output) result = g_string_append_c(result, *p);
 429                         }
 430                 else /* *p == '%' */
 431                         {
 432                         extensions = NULL;
 433                         gchar *pathl = NULL;
 434
 435                         p++;
 436
 437                         /* for example "%f" or "%{.crw;.raw;.cr2}f" */
 438                         if (*p == '{')
 439                                 {
 440                                 gchar *end;
 441
 442                                 p++;
 443                                 end = strchr(p, '}');
 444                                 if (!end)
 445                                         {
 446                                         flags |= EDITOR_ERROR_SYNTAX;
 447                                         goto err;
 448                                         }
 449
 450                                 extensions = g_strndup(p, end - p);
 451                                 p = end + 1;
 452                                 }
 453
 454                         switch (*p)
 455                                 {
 456                                 case 'd':
 457                                         flags |= EDITOR_DEST;
 458                                         /* fall through */
 459                                 case 'p':
 460                                         flags |= EDITOR_FOR_EACH;
 461                                         if (flags & EDITOR_SINGLE_COMMAND)
 462                                                 {
 463                                                 flags |= EDITOR_ERROR_INCOMPATIBLE;
 464                                                 goto err;
 465                                                 }
 466                                         if (output)
 467                                                 {
 468                                                 /* use the first file from the list */
 469                                                 if (!list || !list->data)
 470                                                         {
 471                                                         flags |= EDITOR_ERROR_NO_FILE;
 472                                                         goto err;
 473                                                         }
 474                                                 pathl = editor_command_path_parse((FileData *)list->data,
 475                                                                                   (flags & EDITOR_DEST) ? PATH_DEST : PATH_FILE,
 476                                                                                   extensions);
 477                                                 if (!pathl)
 478                                                         {
 479                                                         flags |= EDITOR_ERROR_NO_FILE;
 480                                                         goto err;
 481                                                         }
 482                                                 result = g_string_append_c(result, '"');
 483                                                 result = g_string_append(result, pathl);
 484                                                 g_free(pathl);
 485                                                 result = g_string_append_c(result, '"');
 486                                                 }
 487                                         break;
 488
 489                                 case 'f':
 490                                         flags |= EDITOR_SINGLE_COMMAND;
 491                                         if (flags & (EDITOR_FOR_EACH | EDITOR_DEST))
 492                                                 {
 493                                                 flags |= EDITOR_ERROR_INCOMPATIBLE;
 494                                                 goto err;
 495                                                 }
 496
 497                                         if (output)
 498                                                 {
 499                                                 /* use whole list */
 500                                                 GList *work = list;
 501                                                 gboolean ok = FALSE;
 502
 503                                                 while (work)
 504                                                         {
 505                                                         FileData *fd = work->data;
 506                                                         pathl = editor_command_path_parse(fd, PATH_FILE, extensions);
 507
 508                                                         if (pathl)
 509                                                                 {
 510                                                                 ok = TRUE;
 511                                                                 if (work != list) g_string_append_c(result, ' ');
 512                                                                 result = g_string_append_c(result, '"');
 513                                                                 result = g_string_append(result, pathl);
 514                                                                 g_free(pathl);
 515                                                                 result = g_string_append_c(result, '"');
 516                                                                 }
 517                                                         work = work->next;
 518                                                         }
 519                                                 if (!ok)
 520                                                         {
 521                                                         flags |= EDITOR_ERROR_NO_FILE;
 522                                                         goto err;
 523                                                         }
 524                                                 }
 525                                         break;
 526                                 case '%':
 527                                         /* %% = % escaping */
 528                                         if (output) result = g_string_append_c(result, *p);
 529                                         break;
 530                                 default:
 531                                         flags |= EDITOR_ERROR_SYNTAX;
 532                                         goto err;
 533                                 }
 534                         if (extensions) g_free(extensions);
 535                         extensions = NULL;
 536                         }
 537                 p++;
 538                 }
 539
 540         if (output) *output = g_string_free(result, FALSE);
 541         return flags;
 542
 543
 544 err:
 545         if (output)
 546                 {
 547                 g_string_free(result, TRUE);
 548                 *output = NULL;
 549                 }
 550         if (extensions) g_free(extensions);
 551         return flags;
 552 }
 553
 554 static void editor_child_exit_cb (GPid pid, gint status, gpointer data)
 555 {
 556         EditorData *ed = data;
 557         g_spawn_close_pid(pid);
 558         ed->pid = -1;
 559
 560         editor_command_next_finish(ed, status);
 561 }
 562
 563
 564 static gint editor_command_one(const gchar *template, GList *list, EditorData *ed)
 565 {
 566         gchar *command;
 567         FileData *fd = list->data;
 568         GPid pid;
 569         gint standard_output;
 570         gint standard_error;
 571         gboolean ok;
 572
 573         ed->pid = -1;
 574         ed->flags = editor_command_parse(template, list, &command);
 575
 576         ok = !(ed->flags & EDITOR_ERROR_MASK);
 577
 578         if (ok)
 579                 {
 580                 ok = (options->shell.path && *options->shell.path);
 581                 if (!ok) log_printf("ERROR: empty shell command\n");
 582
 583                 if (ok)
 584                         {
 585                         ok = (access(options->shell.path, X_OK) == 0);
 586                         if (!ok) log_printf("ERROR: cannot execute shell command '%s'\n", options->shell.path);
 587                         }
 588
 589                 if (!ok) ed->flags |= EDITOR_ERROR_CANT_EXEC;
 590                 }
 591
 592         if (ok)
 593                 {
 594                 gchar *working_directory;
 595                 gchar *args[4];
 596                 guint n = 0;
 597
 598                 working_directory = remove_level_from_path(fd->path);
 599                 args[n++] = options->shell.path;
 600                 if (options->shell.options && *options->shell.options)
 601                         args[n++] = options->shell.options;
 602                 args[n++] = command;
 603                 args[n] = NULL;
 604
 605                 ok = g_spawn_async_with_pipes(working_directory, args, NULL,
 606                                       G_SPAWN_DO_NOT_REAP_CHILD, /* GSpawnFlags */
 607                                       NULL, NULL,
 608                                       &pid,
 609                                       NULL,
 610                                       ed->vd ? &standard_output : NULL,
 611                                       ed->vd ? &standard_error : NULL,
 612                                       NULL);
 613
 614                 g_free(working_directory);
 615
 616                 if (!ok) ed->flags |= EDITOR_ERROR_CANT_EXEC;
 617                 }
 618
 619         if (ok)
 620                 {
 621                 g_child_watch_add(pid, editor_child_exit_cb, ed);
 622                 ed->pid = pid;
 623                 }
 624
 625         if (ed->vd)
 626                 {
 627                 if (!ok)
 628                         {
 629                         gchar *buf;
 630
 631                         buf = g_strdup_printf(_("Failed to run command:\n%s\n"), template);
 632                         editor_verbose_window_fill(ed->vd, buf, strlen(buf));
 633                         g_free(buf);
 634
 635                         }
 636                 else
 637                         {
 638                         GIOChannel *channel_output;
 639                         GIOChannel *channel_error;
 640
 641                         channel_output = g_io_channel_unix_new(standard_output);
 642                         g_io_channel_set_flags(channel_output, G_IO_FLAG_NONBLOCK, NULL);
 643
 644                         g_io_add_watch_full(channel_output, G_PRIORITY_HIGH, G_IO_IN | G_IO_ERR | G_IO_HUP,
 645                                             editor_verbose_io_cb, ed, NULL);
 646                         g_io_channel_unref(channel_output);
 647
 648                         channel_error = g_io_channel_unix_new(standard_error);
 649                         g_io_channel_set_flags(channel_error, G_IO_FLAG_NONBLOCK, NULL);
 650
 651                         g_io_add_watch_full(channel_error, G_PRIORITY_HIGH, G_IO_IN | G_IO_ERR | G_IO_HUP,
 652                                             editor_verbose_io_cb, ed, NULL);
 653                         g_io_channel_unref(channel_error);
 654                         }
 655                 }
 656
 657         g_free(command);
 658
 659         return ed->flags & EDITOR_ERROR_MASK;
 660 }
 661
 662 static gint editor_command_next_start(EditorData *ed)
 663 {
 664         if (ed->vd) editor_verbose_window_fill(ed->vd, "\n", 1);
 665
 666         if (ed->list && ed->count < ed->total)
 667                 {
 668                 FileData *fd;
 669                 gint error;
 670
 671                 fd = ed->list->data;
 672
 673                 if (ed->vd)
 674                         {
 675                         editor_verbose_window_progress(ed, (ed->flags & EDITOR_FOR_EACH) ? fd->path : _("running..."));
 676                         }
 677                 ed->count++;
 678
 679                 error = editor_command_one(ed->command_template, ed->list, ed);
 680                 if (!error && ed->vd)
 681                         {
 682                         gtk_widget_set_sensitive(ed->vd->button_stop, (ed->list != NULL) );
 683                         if (ed->flags & EDITOR_FOR_EACH)
 684                                 {
 685                                 editor_verbose_window_fill(ed->vd, fd->path, strlen(fd->path));
 686                                 editor_verbose_window_fill(ed->vd, "\n", 1);
 687                                 }
 688                         }
 689
 690                 if (!error)
 691                         return 0;
 692                 else
 693                         /* command was not started, call the finish immediately */
 694                         return editor_command_next_finish(ed, 0);
 695                 }
 696
 697         /* everything is done */
 698         return editor_command_done(ed);
 699 }
 700
 701 static gint editor_command_next_finish(EditorData *ed, gint status)
 702 {
 703         gint cont = ed->stopping ? EDITOR_CB_SKIP : EDITOR_CB_CONTINUE;
 704
 705         if (status)
 706                 ed->flags |= EDITOR_ERROR_STATUS;
 707
 708         if (ed->flags & EDITOR_FOR_EACH)
 709                 {
 710                 /* handle the first element from the list */
 711                 GList *fd_element = ed->list;
 712
 713                 ed->list = g_list_remove_link(ed->list, fd_element);
 714                 if (ed->callback)
 715                         cont = ed->callback(ed->list ? ed : NULL, ed->flags, fd_element, ed->data);
 716                 filelist_free(fd_element);
 717                 }
 718         else
 719                 {
 720                 /* handle whole list */
 721                 if (ed->callback)
 722                         cont = ed->callback(NULL, ed->flags, ed->list, ed->data);
 723                 filelist_free(ed->list);
 724                 ed->list = NULL;
 725                 }
 726
 727         if (cont == EDITOR_CB_SUSPEND)
 728                 return ed->flags & EDITOR_ERROR_MASK;
 729         else if (cont == EDITOR_CB_SKIP)
 730                 return editor_command_done(ed);
 731         else
 732                 return editor_command_next_start(ed);
 733 }
 734
 735 static gint editor_command_done(EditorData *ed)
 736 {
 737         gint flags;
 738
 739         if (ed->vd)
 740                 {
 741                 const gchar *text;
 742
 743                 if (ed->count == ed->total)
 744                         {
 745                         text = _("done");
 746                         }
 747                 else
 748                         {
 749                         text = _("stopped by user");
 750                         }
 751                 editor_verbose_window_progress(ed, text);
 752                 editor_verbose_window_enable_close(ed->vd);
 753                 }
 754
 755         /* free the not-handled items */
 756         if (ed->list)
 757                 {
 758                 ed->flags |= EDITOR_ERROR_SKIPPED;
 759                 if (ed->callback) ed->callback(NULL, ed->flags, ed->list, ed->data);
 760                 filelist_free(ed->list);
 761                 ed->list = NULL;
 762                 }
 763
 764         ed->count = 0;
 765
 766         flags = ed->flags & EDITOR_ERROR_MASK;
 767
 768         if (!ed->vd) editor_data_free(ed);
 769
 770         return flags;
 771 }
 772
 773 void editor_resume(gpointer ed)
 774 {
 775         editor_command_next_start(ed);
 776 }
 777
 778 void editor_skip(gpointer ed)
 779 {
 780         editor_command_done(ed);
 781 }
 782
 783 static gint editor_command_start(const gchar *template, const gchar *text, GList *list, EditorCallback cb, gpointer data)
 784 {
 785         EditorData *ed;
 786         gint flags = editor_command_parse(template, NULL, NULL);
 787
 788         if (flags & EDITOR_ERROR_MASK) return flags & EDITOR_ERROR_MASK;
 789
 790         ed = g_new0(EditorData, 1);
 791         ed->list = filelist_copy(list);
 792         ed->flags = flags;
 793         ed->command_template = g_strdup(template);
 794         ed->total = (flags & EDITOR_SINGLE_COMMAND) ? 1 : g_list_length(list);
 795         ed->count = 0;
 796         ed->stopping = FALSE;
 797         ed->callback = cb;
 798         ed->data =  data;
 799
 800         if ((flags & EDITOR_VERBOSE_MULTI) && list && list->next)
 801                 flags |= EDITOR_VERBOSE;
 802
 803         if (flags & EDITOR_VERBOSE)
 804                 editor_verbose_window(ed, text);
 805
 806         editor_command_next_start(ed);
 807         /* errors from editor_command_next_start will be handled via callback */
 808         return flags & EDITOR_ERROR_MASK;
 809 }
 810
 811 gboolean is_valid_editor_command(gint n)
 812 {
 813         return (n >= 0 && n < GQ_EDITOR_SLOTS
 814                 && options->editor[n].command
 815                 && strlen(options->editor[n].command) > 0);
 816 }
 817
 818 gint start_editor_from_filelist_full(gint n, GList *list, EditorCallback cb, gpointer data)
 819 {
 820         gchar *command;
 821         gint error;
 822
 823         if (!list) return FALSE;
 824         if (!is_valid_editor_command(n)) return FALSE;
 825
 826         command = g_locale_from_utf8(options->editor[n].command, -1, NULL, NULL, NULL);
 827         error = editor_command_start(command, options->editor[n].name, list, cb, data);
 828         g_free(command);
 829
 830         if (n < GQ_EDITOR_GENERIC_SLOTS && (error & EDITOR_ERROR_MASK))
 831                 {
 832                 gchar *text = g_strdup_printf(_("%s\n#%d \"%s\":\n%s"), editor_get_error_str(error), n+1,
 833                                               options->editor[n].name, options->editor[n].command);
 834
 835                 file_util_warning_dialog(_("Invalid editor command"), text, GTK_STOCK_DIALOG_ERROR, NULL);
 836                 g_free(text);
 837                 }
 838
 839         return error;
 840 }
 841
 842 gint start_editor_from_filelist(gint n, GList *list)
 843 {
 844         return start_editor_from_filelist_full(n, list,  NULL, NULL);
 845 }
 846
 847 gint start_editor_from_file_full(gint n, FileData *fd, EditorCallback cb, gpointer data)
 848 {
 849         GList *list;
 850         gint error;
 851
 852         if (!fd) return FALSE;
 853
 854         list = g_list_append(NULL, fd);
 855         error = start_editor_from_filelist_full(n, list, cb, data);
 856         g_list_free(list);
 857         return error;
 858 }
 859
 860 gint start_editor_from_file(gint n, FileData *fd)
 861 {
 862         return start_editor_from_file_full(n, fd, NULL, NULL);
 863 }
 864
 865 gint editor_window_flag_set(gint n)
 866 {
 867         if (!is_valid_editor_command(n)) return TRUE;
 868
 869         return (editor_command_parse(options->editor[n].command, NULL, NULL) & EDITOR_KEEP_FS);
 870 }
 871
 872 gint editor_is_filter(gint n)
 873 {
 874         if (!is_valid_editor_command(n)) return FALSE;
 875
 876         return (editor_command_parse(options->editor[n].command, NULL, NULL) & EDITOR_DEST);
 877 }
 878
 879 const gchar *editor_get_error_str(gint flags)
 880 {
 881         if (flags & EDITOR_ERROR_EMPTY) return _("Editor template is empty.");
 882         if (flags & EDITOR_ERROR_SYNTAX) return _("Editor template has incorrect syntax.");
 883         if (flags & EDITOR_ERROR_INCOMPATIBLE) return _("Editor template uses incompatible macros.");
 884         if (flags & EDITOR_ERROR_NO_FILE) return _("Can't find matching file type.");
 885         if (flags & EDITOR_ERROR_CANT_EXEC) return _("Can't execute external editor.");
 886         if (flags & EDITOR_ERROR_STATUS) return _("External editor returned error status.");
 887         if (flags & EDITOR_ERROR_SKIPPED) return _("File was skipped.");
 888         return _("Unknown error.");
 889 }
 890
 891 const gchar *editor_get_name(gint n)
 892 {
 893         if (!is_valid_editor_command(n)) return NULL;
 894
 895         if (options->editor[n].name && strlen(options->editor[n].name) > 0)
 896                 return options->editor[n].name;
 897
 898         return _("(unknown)");
 899 }