src/editors.c

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