669f32596a19d2c97aa56f067e3d0ee7e6b9ba93
[claws.git] / src / action.c
1 /*
2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2012 Hiroyuki Yamamoto & The Claws Mail Team
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 3 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
17  * 
18  */
19
20 #ifdef HAVE_CONFIG_H
21 #  include "config.h"
22 #include "claws-features.h"
23 #endif
24
25 #include "defs.h"
26
27 #include <glib.h>
28 #include <glib/gi18n.h>
29 #include <gtk/gtk.h>
30 #include <gdk/gdkkeysyms.h>
31 #ifdef GDK_WINDOWING_X11
32 #  include <gdk/gdkx.h>
33 #endif /* GDK_WINDOWING_X11 */
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <errno.h>
38 #include <sys/types.h>
39 #if HAVE_SYS_WAIT_H
40 #  include <sys/wait.h>
41 #endif
42 #include <signal.h>
43 #include <unistd.h>
44
45 #include "utils.h"
46 #include "gtkutils.h"
47 #include "manage_window.h"
48 #include "mainwindow.h"
49 #include "prefs_common.h"
50 #include "alertpanel.h"
51 #include "inputdialog.h"
52 #include "action.h"
53 #include "compose.h"
54 #include "procmsg.h"
55 #include "msgcache.h"
56 #include "textview.h"
57 #include "matcher_parser.h" /* CLAWS */
58 #include "filtering.h"
59 #include "procheader.h"
60
61 #ifdef G_OS_WIN32
62 #include <windows.h>
63 #endif
64
65 typedef struct _Children                Children;
66 typedef struct _ChildInfo               ChildInfo;
67 typedef struct _UserStringDialog        UserStringDialog;
68
69 struct _Children
70 {
71         GtkWidget       *dialog;
72         GtkWidget       *text;
73         GtkWidget       *input_entry;
74         GtkWidget       *input_hbox;
75         GtkWidget       *progress_bar;
76         GtkWidget       *abort_btn;
77         GtkWidget       *close_btn;
78         GtkWidget       *scrolledwin;
79
80         gchar           *action;
81         ActionType       action_type;
82         GSList          *list;
83         gint             nb;
84         gint             initial_nb;
85         gint             open_in;
86         gboolean         output;
87
88         GtkWidget       *msg_text;
89
90         gboolean         is_selection;
91 };
92
93 struct _ChildInfo
94 {
95         Children        *children;
96         gchar           *cmd;
97         GPid             pid;
98         gint             next_sig;
99         gint             chld_in;
100         gint             chld_out;
101         gint             chld_err;
102         gint             tag_in;
103         gint             tag_out;
104         gint             tag_err;
105         gint             tag_status;
106         gint             new_out;
107
108         GString         *output;
109         void (*callback)(void *data);
110         void *data;
111
112         GSList          *msginfo_list;
113 };
114
115 static void action_update_menu          (GtkUIManager   *ui_manager,
116                                          const gchar    *accel_group,
117                                          gchar          *branch_path,
118                                          gpointer        callback,
119                                          gpointer        data);
120 static void compose_actions_execute_cb  (GtkWidget      *widget, 
121                                          gpointer        data);
122 static void compose_actions_execute     (Compose        *compose,
123                                          guint           action_nb,
124                                          GtkWidget      *widget);
125
126 static void mainwin_actions_execute_cb  (GtkWidget      *widget, 
127                                          gpointer        data);
128 static void mainwin_actions_execute     (MainWindow     *mainwin,
129                                          guint           action_nb,
130                                          GtkWidget      *widget);
131
132 static void msgview_actions_execute_cb  (GtkWidget      *widget, 
133                                          gpointer        data);
134 static void msgview_actions_execute     (MessageView    *msgview,
135                                          guint           action_nb,
136                                          GtkWidget      *widget);
137
138 static void message_actions_execute     (MessageView    *msgview,
139                                          guint           action_nb,
140                                          GSList         *msg_list);
141
142 static gboolean execute_filtering_actions(gchar         *action, 
143                                           GSList        *msglist);
144
145 static gboolean execute_actions         (gchar          *action, 
146                                          GSList         *msg_list, 
147                                          GtkWidget      *text,
148                                          gint            body_pos,
149                                          MimeInfo       *partinfo, 
150                                          void (*callback)(void *data),
151                                          void *data);
152
153 static gchar *parse_action_cmd          (gchar          *action,
154                                          MsgInfo        *msginfo,
155                                          GSList         *msg_list,
156                                          MimeInfo       *partinfo,
157                                          const gchar    *user_str,
158                                          const gchar    *user_hidden_str,
159                                          const gchar    *sel_str);
160 static gboolean parse_append_filename   (GString        *cmd,
161                                          MsgInfo        *msginfo);
162
163 static gboolean parse_append_msgpart    (GString        *cmd,
164                                          MsgInfo        *msginfo,
165                                          MimeInfo       *partinfo);
166
167 static ChildInfo *fork_child            (gchar          *cmd,
168                                          const gchar    *msg_str,
169                                          Children       *children);
170
171 static gint wait_for_children           (Children       *children);
172
173 static void free_children               (Children       *children);
174
175 static void childinfo_close_pipes       (ChildInfo      *child_info);
176
177 static void create_io_dialog            (Children       *children);
178 static void update_io_dialog            (Children       *children);
179
180 static void hide_io_dialog_cb           (GtkWidget      *widget,
181                                          gpointer        data);
182 static gint io_dialog_key_pressed_cb    (GtkWidget      *widget,
183                                          GdkEventKey    *event,
184                                          gpointer        data);
185
186 static void catch_output                (gpointer                data,
187                                          gint                    source,
188                                          GIOCondition            cond);
189 static void catch_input                 (gpointer                data, 
190                                          gint                    source,
191                                          GIOCondition            cond);
192 static void catch_status                (GPid pid, gint status, gpointer data);
193
194 static gchar *get_user_string           (const gchar    *action,
195                                          ActionType      type);
196
197
198 ActionType action_get_type(const gchar *action_str)
199 {
200         const gchar *p;
201         gboolean in_filtering_action = FALSE;
202         ActionType action_type = ACTION_NONE;
203
204         cm_return_val_if_fail(action_str,  ACTION_ERROR);
205         cm_return_val_if_fail(*action_str, ACTION_ERROR);
206
207         p = action_str;
208
209         if (p[0] == '|') {
210                 action_type |= ACTION_PIPE_IN;
211                 p++;
212         } else if (p[0] == '>') {
213                 action_type |= ACTION_USER_IN;
214                 p++;
215         } else if (p[0] == '*') {
216                 action_type |= ACTION_USER_HIDDEN_IN;
217                 p++;
218         }
219
220         if (p[0] == '\0')
221                 return ACTION_ERROR;
222
223         while (*p && action_type != ACTION_ERROR) {
224                 if (!in_filtering_action) {
225                         if (p[0] == '%' && p[1]) {
226                                 switch (p[1]) {
227                                 case 'a':
228                                         /* CLAWS: filtering action is a mutually exclusive
229                                         * action. we can enable others if needed later. we
230                                         * add ACTION_SINGLE | ACTION_MULTIPLE so it will
231                                         * only be executed from the main window toolbar */
232                                         if (p[2] == 's')  /* source messages */
233                                                 action_type = ACTION_FILTERING_ACTION 
234                                                                 | ACTION_SINGLE 
235                                                                 | ACTION_MULTIPLE;
236                                         in_filtering_action = TRUE;
237                                         break;
238                                 case 'f':
239                                         action_type |= ACTION_SINGLE;
240                                         break;
241                                 case 'F':
242                                         action_type |= ACTION_MULTIPLE;
243                                         break;
244                                 case 'p':
245                                         action_type |= ACTION_SINGLE;
246                                         break;
247                                 case 's':
248                                         action_type |= ACTION_SELECTION_STR;
249                                         break;
250                                 case 'u':
251                                         action_type |= ACTION_USER_STR;
252                                         break;
253                                 case 'h':
254                                         action_type |= ACTION_USER_HIDDEN_STR;
255                                         break;
256                                 case '%':
257                                         /* literal '%' */
258                                         break;
259                                 default:
260                                         action_type = ACTION_ERROR;
261                                         break;
262                                 }
263                                 p++;
264                         } else if (p[0] == '|') {
265                                 if (p[1] == '\0')
266                                         action_type |= ACTION_PIPE_OUT;
267                         } else if (p[0] == '>') {
268                                 if (p[1] == '\0')
269                                         action_type |= ACTION_INSERT;
270                         } else if (p[0] == '&') {
271                                 if (p[1] == '\0')
272                                         action_type |= ACTION_ASYNC;
273                         } else if (p[0] == '}') {
274                                 in_filtering_action = FALSE;
275                         }
276                 }
277                         p++;
278         }
279
280         return action_type;
281 }
282
283 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
284                                GSList *msg_list, MimeInfo *partinfo,
285                                const gchar *user_str,
286                                const gchar *user_hidden_str,
287                                const gchar *sel_str)
288 {
289         GString *cmd;
290         gchar *p;
291         GSList *cur;
292         
293         p = action;
294         
295         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
296                 p++;
297
298         cmd = g_string_sized_new(strlen(action));
299
300         while (p[0] &&
301                !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
302                 if (p[0] == '%' && p[1]) {
303                         switch (p[1]) {
304                         case 'f':
305                                 if (!parse_append_filename(cmd, msginfo)) {
306                                         g_string_free(cmd, TRUE);
307                                         return NULL;
308                                 }
309                                 p++;
310                                 break;
311                         case 'F':
312                                 for (cur = msg_list; cur != NULL;
313                                      cur = cur->next) {
314                                         MsgInfo *msg = (MsgInfo *)cur->data;
315
316                                         if (!parse_append_filename(cmd, msg)) {
317                                                 g_string_free(cmd, TRUE);
318                                                 return NULL;
319                                         }
320                                         if (cur->next)
321                                                 g_string_append_c(cmd, ' ');
322                                 }
323                                 p++;
324                                 break;
325                         case 'p':
326                                 if (!parse_append_msgpart(cmd, msginfo,
327                                                           partinfo)) {
328                                         g_string_free(cmd, TRUE);
329                                         return NULL;
330                                 }
331                                 p++;
332                                 break;
333                         case 's':
334                                 if (sel_str)
335                                         g_string_append(cmd, sel_str);
336                                 p++;
337                                 break;
338                         case 'u':
339                                 if (user_str)
340                                         g_string_append(cmd, user_str);
341                                 p++;
342                                 break;
343                         case 'h':
344                                 if (user_hidden_str)
345                                         g_string_append(cmd, user_hidden_str);
346                                 p++;
347                                 break;
348                         case '%':
349                                 g_string_append_c(cmd, p[1]);
350                                 p++;
351                                 break;
352                         default:
353                                 g_string_append_c(cmd, p[0]);
354                                 g_string_append_c(cmd, p[1]);
355                                 p++;
356                         }
357                 } else {
358                         g_string_append_c(cmd, p[0]);
359                 }
360                 p++;
361         }
362         if (cmd->len == 0) {
363                 g_string_free(cmd, TRUE);
364                 return NULL;
365         }
366
367         p = cmd->str;
368         g_string_free(cmd, FALSE);
369         return p;
370 }
371
372 static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
373 {
374         gchar *filename;
375         gchar *p, *q;
376         gchar escape_ch[] = "\\ ";
377
378         cm_return_val_if_fail(msginfo, FALSE);
379
380         filename = procmsg_get_message_file(msginfo);
381
382         if (!filename) {
383                 alertpanel_error(_("Could not get message file %d"),
384                                  msginfo->msgnum);
385                 return FALSE;
386         }
387
388         p = filename;
389 #ifdef G_OS_UNIX
390         while ((q = strpbrk(p, "$\"`'\\ \t*?[]&|;<>()!#~")) != NULL) {
391                 escape_ch[1] = *q;
392                 *q = '\0';
393                 g_string_append(cmd, p);
394                 g_string_append(cmd, escape_ch);
395                 p = q + 1;
396         }
397
398         g_string_append(cmd, p);
399 #else
400         g_string_append(cmd, "\"");
401         g_string_append(cmd, filename);
402         g_string_append(cmd, "\"");
403 #endif
404         g_free(filename);
405
406         return TRUE;
407 }
408
409 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
410                                      MimeInfo *partinfo)
411 {
412         gboolean single_part = FALSE;
413         gchar *filename;
414         gchar *part_filename;
415         gint ret;
416
417         if (!partinfo) {
418                 partinfo = procmime_scan_message(msginfo);
419                 if (!partinfo) {
420                         alertpanel_error(_("Could not get message part."));
421                         return FALSE;
422                 }
423
424                 single_part = TRUE;
425         }
426
427         filename = procmsg_get_message_file_path(msginfo);
428         part_filename = procmime_get_tmp_file_name(partinfo);
429
430         ret = procmime_get_part(part_filename, partinfo);
431
432         if (single_part)
433                 procmime_mimeinfo_free_all(partinfo);
434         g_free(filename);
435
436         if (ret < 0) {
437                 alertpanel_error(_("Can't get part of multipart message: %s"), strerror(-ret));
438                 g_free(part_filename);
439                 return FALSE;
440         }
441
442         g_string_append(cmd, part_filename);
443
444         g_free(part_filename);
445
446         return TRUE;
447 }
448
449 void actions_execute(gpointer data, 
450                      guint action_nb,
451                      GtkWidget *widget,
452                      gint source)
453 {
454         if (source == TOOLBAR_MAIN) 
455                 mainwin_actions_execute((MainWindow*)data, action_nb, widget);
456         else if (source == TOOLBAR_COMPOSE)
457                 compose_actions_execute((Compose*)data, action_nb, widget);
458         else if (source == TOOLBAR_MSGVIEW)
459                 msgview_actions_execute((MessageView*)data, action_nb, widget); 
460 }
461
462 void action_update_mainwin_menu(GtkUIManager *ui_manager,
463                                 gchar *branch_path,
464                                 MainWindow *mainwin)
465 {
466         action_update_menu(ui_manager, "<MainwinActions>", branch_path,
467                            mainwin_actions_execute_cb, mainwin);
468 }
469
470 void action_update_msgview_menu(GtkUIManager    *ui_manager,
471                                 gchar *branch_path,
472                                 MessageView *msgview)
473 {
474         action_update_menu(ui_manager, "<MsgviewActions>", branch_path,
475                            msgview_actions_execute_cb, msgview);
476 }
477
478 void action_update_compose_menu(GtkUIManager *ui_manager, 
479                                 gchar *branch_path,
480                                 Compose *compose)
481 {
482         action_update_menu(ui_manager, "<ComposeActions>", branch_path,
483                            compose_actions_execute_cb, compose);
484 }
485
486 static GtkWidget *find_item_in_menu(GtkWidget *menu, gchar *name)
487 {
488         GList *children = gtk_container_get_children(GTK_CONTAINER(GTK_MENU_SHELL(menu)));
489         GList *amenu = children;
490         const gchar *existing_name;
491         while (amenu) {
492                 GtkWidget *item = GTK_WIDGET(amenu->data);
493                 if ((existing_name = g_object_get_data(G_OBJECT(item), "s_name")) != NULL &&
494                     !strcmp2(name, existing_name))
495                 {
496                         g_list_free(children);
497                          return item;
498                 }
499                 amenu = amenu->next;
500         }
501
502         g_list_free(children);
503
504         return NULL;
505 }
506
507 static GtkWidget *create_submenus(GtkWidget *menu, const gchar *action)
508 {
509         gchar *submenu = g_strdup(action);
510         GtkWidget *new_menu = NULL;
511         
512         if (strchr(submenu, '/')) {
513                 const gchar *end = (strchr(submenu, '/')+1);
514                 GtkWidget *menu_item = NULL;
515                 if (end && *end) {
516                         *strchr(submenu, '/') = '\0';
517                         if ((menu_item = find_item_in_menu(menu, submenu)) == NULL) {
518                                 menu_item = gtk_menu_item_new_with_mnemonic(submenu);
519                                 g_object_set_data_full(G_OBJECT(menu_item), "s_name", g_strdup(submenu), g_free);
520                                 gtk_widget_show(menu_item);
521                                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);         
522                                 new_menu = gtk_menu_new();
523                                 gtk_widget_show(new_menu);
524                                 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), new_menu);
525                         } else {
526                                 new_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item));
527                         }
528                         new_menu = create_submenus(new_menu, end);
529                 }
530         }
531         g_free(submenu);
532         return new_menu ? new_menu : menu;
533 }
534
535 static void action_update_menu(GtkUIManager *ui_manager,
536                                const gchar *accel_group,
537                                gchar *branch_path,
538                                gpointer callback, gpointer data)
539 {
540         GSList *cur;
541         gchar *action, *action_p;
542         int callback_action = 0;
543         GtkWidget *menu = gtk_menu_new();
544         GtkWidget *item;
545
546         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
547                 GtkWidget *cur_menu = menu;
548                 const gchar *action_name = NULL;
549                 action   = g_strdup((gchar *)cur->data);
550                 action_p = strstr(action, ": ");
551                 if (action_p && action_p[2] &&
552                     (action_get_type(&action_p[2]) != ACTION_ERROR) &&
553                     (action[0] != '/')) {
554                         gchar *accel_path = NULL;
555
556                         action_p[0] = '\0';
557                         if (strchr(action, '/')) {
558                                 cur_menu = create_submenus(cur_menu, action);
559                                 action_name = strrchr(action, '/')+1;
560                         } else {
561                                 action_name = action;
562                         }
563                         gtk_menu_set_accel_group (GTK_MENU (cur_menu), 
564                                 gtk_ui_manager_get_accel_group(ui_manager));
565                         item = gtk_menu_item_new_with_label(action_name);
566                         gtk_menu_shell_append(GTK_MENU_SHELL(cur_menu), item);
567                         g_signal_connect(G_OBJECT(item), "activate",
568                                          G_CALLBACK(callback), data);
569                         g_object_set_data(G_OBJECT(item), "action_num", GINT_TO_POINTER(callback_action));
570                         gtk_widget_show(item);
571                         accel_path = g_strconcat(accel_group,branch_path, "/", action, NULL);
572                         gtk_menu_item_set_accel_path(GTK_MENU_ITEM(item), accel_path);
573                         g_free(accel_path);
574
575                 }
576                 g_free(action);
577                 callback_action++;
578         }
579
580         gtk_widget_show(menu);
581         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtk_ui_manager_get_widget(ui_manager, branch_path)), menu);
582 }
583
584 static void compose_actions_execute_cb(GtkWidget *widget, gpointer data)
585 {
586         Compose *compose = (Compose *)data;
587         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
588         compose_actions_execute(compose, action_nb, NULL);
589 }
590
591 static void compose_actions_execute(Compose *compose, guint action_nb, GtkWidget *widget)
592 {
593         gchar *buf, *action;
594         ActionType action_type;
595
596         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
597
598         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
599         cm_return_if_fail(buf != NULL);
600         action = strstr(buf, ": ");
601         cm_return_if_fail(action != NULL);
602
603         /* Point to the beginning of the command-line */
604         action += 2;
605
606         action_type = action_get_type(action);
607         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
608                 alertpanel_warning
609                         (_("The selected action cannot be used in the compose window\n"
610                            "because it contains %%f, %%F, %%as or %%p."));
611                 return;
612         }
613
614         execute_actions(action, NULL, compose->text, 0, NULL, 
615                 compose_action_cb, compose);
616 }
617
618 static void mainwin_actions_execute_cb(GtkWidget *widget, gpointer data)
619 {
620         MainWindow *mainwin = (MainWindow *)data;
621         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
622         mainwin_actions_execute(mainwin, action_nb, NULL);
623 }
624
625 static void mainwin_actions_execute(MainWindow *mainwin, guint action_nb,
626                                        GtkWidget *widget)
627 {
628         GSList *msg_list;
629
630         msg_list = summary_get_selected_msg_list(mainwin->summaryview);
631         message_actions_execute(mainwin->messageview, action_nb, msg_list);
632         g_slist_free(msg_list);
633 }
634
635 static void msgview_actions_execute_cb(GtkWidget *widget, gpointer data)
636 {
637         MessageView *msgview = (MessageView *)data;
638         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
639         msgview_actions_execute(msgview, action_nb, NULL);
640 }
641
642 static void msgview_actions_execute(MessageView *msgview, guint action_nb,
643                                        GtkWidget *widget)
644 {
645         GSList *msg_list = NULL;
646
647         if (msgview->msginfo)
648                 msg_list = g_slist_append(msg_list, msgview->msginfo);
649         message_actions_execute(msgview, action_nb, msg_list);
650         g_slist_free(msg_list);
651 }
652
653 static void message_actions_execute(MessageView *msgview, guint action_nb,
654                                     GSList *msg_list)
655 {
656         TextView *textview;
657         MimeInfo *partinfo;
658         gchar *buf;
659         gchar *action;
660         GtkWidget *text = NULL;
661         guint body_pos = 0;
662         ActionType action_type;
663         
664         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
665
666         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
667
668         cm_return_if_fail(buf);
669         cm_return_if_fail((action = strstr(buf, ": ")));
670
671         /* Point to the beginning of the command-line */
672         action += 2;
673
674         textview = messageview_get_current_textview(msgview);
675         if (textview) {
676                 text     = textview->text;
677                 body_pos = textview->body_pos;
678         }
679         partinfo = messageview_get_selected_mime_part(msgview);
680
681         /* this command will alter the message text */
682         action_type = action_get_type(action);
683         if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
684                 msgview->filtered = TRUE;
685
686         if (action_type & ACTION_FILTERING_ACTION) 
687                 /* CLAWS: most of the above code is not necessary for applying
688                  * filtering */
689                 execute_filtering_actions(action, msg_list);
690         else
691                 execute_actions(action, msg_list, text, body_pos, partinfo,
692                         NULL, NULL);
693 }
694
695 static gboolean execute_filtering_actions(gchar *action, GSList *msglist)
696 {
697         GSList *action_list, *p;
698         const gchar *sbegin, *send;
699         gchar *action_string;
700         SummaryView *summaryview = NULL;
701         MainWindow *mainwin = NULL;
702
703         if (mainwindow_get_mainwindow()) {
704                 summaryview = mainwindow_get_mainwindow()->summaryview;
705                 mainwin = mainwindow_get_mainwindow();
706         }
707
708         if (NULL == (sbegin = strstr2(action, "%as{")))
709                 return FALSE;
710         sbegin += sizeof "%as{" - 1;
711         if (NULL == (send = strrchr(sbegin, '}')))
712                 return FALSE;
713         action_string = g_strndup(sbegin, send - sbegin);
714         
715         action_list = matcher_parser_get_action_list(action_string);
716         if (action_list == NULL) {
717                 gchar *tmp = g_strdup(action_string);
718
719                 g_strstrip(tmp);
720                 if (*tmp == '\0')
721                         alertpanel_error(_("There is no filtering action set"));
722                 else
723                         alertpanel_error(_("Invalid filtering action(s):\n%s"), tmp);
724                 g_free(action_string);
725                 g_free(tmp);
726                 return FALSE;
727         }
728         g_free(action_string);
729         
730         /* apply actions on each message info */
731         for (p = msglist; p && p->data; p = g_slist_next(p)) {
732                 filteringaction_apply_action_list(action_list, (MsgInfo *) p->data);
733         }
734
735         if (summaryview) {
736                 summary_lock(summaryview);                              
737                 main_window_cursor_wait(mainwin);               
738                 summary_freeze(summaryview);    
739                 folder_item_update_freeze();                            
740         }
741
742         filtering_move_and_copy_msgs(msglist);
743
744         if (summaryview) {
745                 folder_item_update_thaw();                              
746                 summary_thaw(summaryview);              
747                 main_window_cursor_normal(mainwin);     
748                 summary_unlock(summaryview);                            
749                 summary_show(summaryview, summaryview->folder_item);
750         }
751         for (p = action_list; p; p = g_slist_next(p))
752                 if (p->data) filteringaction_free(p->data);     
753         g_slist_free(action_list);              
754         return TRUE;    
755 }
756
757 static gboolean execute_actions(gchar *action, GSList *msg_list,
758                                 GtkWidget *text,
759                                 gint body_pos, MimeInfo *partinfo,
760                                 void (*callback)(void *data), void *data)
761 {
762         GSList *children_list = NULL;
763         gint is_ok  = TRUE;
764         gint msg_list_len;
765         Children *children;
766         ChildInfo *child_info;
767         ActionType action_type;
768         MsgInfo *msginfo;
769         gchar *cmd;
770         gchar *sel_str = NULL;
771         gchar *msg_str = NULL;
772         gchar *user_str = NULL;
773         gchar *user_hidden_str = NULL;
774         GtkTextIter start_iter, end_iter;
775         gboolean is_selection = FALSE;
776
777         cm_return_val_if_fail(action && *action, FALSE);
778
779         action_type = action_get_type(action);
780
781         if (action_type == ACTION_ERROR)
782                 return FALSE;         /* ERR: syntax error */
783
784         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
785                 return FALSE;         /* ERR: file command without selection */
786
787         msg_list_len = g_slist_length(msg_list);
788
789         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
790                 if (msg_list_len > 1)
791                         return FALSE; /* ERR: pipe + multiple selection */
792                 if (!text)
793                         return FALSE; /* ERR: pipe and no displayed text */
794         }
795
796         if (action_type & ACTION_SELECTION_STR) {
797                 if (!text)
798                         return FALSE; /* ERR: selection string but no text */
799         }
800
801         if (text) {
802                 GtkTextBuffer *textbuf;
803
804                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
805                 is_selection = gtk_text_buffer_get_selection_bounds
806                         (textbuf, &start_iter, &end_iter);
807                 if (!is_selection) {
808                         gtk_text_buffer_get_iter_at_offset
809                                 (textbuf, &start_iter, body_pos);
810                         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
811                 }
812                 msg_str = gtk_text_buffer_get_text
813                         (textbuf, &start_iter, &end_iter, FALSE);
814                 if (is_selection)
815                         sel_str = g_strdup(msg_str);
816         }
817
818         if (action_type & ACTION_USER_STR) {
819                 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
820                         g_free(msg_str);
821                         g_free(sel_str);
822                         return FALSE;
823                 }
824         }
825
826         if (action_type & ACTION_USER_HIDDEN_STR) {
827                 if (!(user_hidden_str =
828                         get_user_string(action, ACTION_USER_HIDDEN_STR))) {
829                         g_free(msg_str);
830                         g_free(sel_str);
831                         g_free(user_str);
832                         return FALSE;
833                 }
834         }
835
836         if (text && (action_type & ACTION_PIPE_OUT)) {
837                 GtkTextBuffer *textbuf;
838                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
839                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
840         }
841
842         children = g_new0(Children, 1);
843
844         children->action      = g_strdup(action);
845         children->action_type = action_type;
846         children->msg_text    = text;
847         children->is_selection = is_selection;
848
849         if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
850             ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
851                 children->open_in = 1;
852
853         if (action_type & ACTION_SINGLE) {
854                 GSList *cur;
855
856                 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
857                         msginfo = (MsgInfo *)cur->data;
858                         if (!msginfo) {
859                                 is_ok  = FALSE; /* ERR: msginfo missing */
860                                 break;
861                         }
862                         cmd = parse_action_cmd(action, msginfo, msg_list,
863                                                partinfo, user_str,
864                                                user_hidden_str, sel_str);
865                         if (!cmd) {
866                                 debug_print("Action command error\n");
867                                 is_ok  = FALSE; /* ERR: incorrect command */
868                                 break;
869                         }
870                         if ((child_info = fork_child(cmd, msg_str, children))) {
871                                 /* Pass msginfo to catch_status () */
872                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
873                                         child_info->msginfo_list = 
874                                                 g_slist_append (NULL, msginfo);
875                                 children_list = g_slist_append(children_list,
876                                                                child_info);
877                         }
878                         g_free(cmd);
879                 }
880         } else {
881                 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
882                                        user_str, user_hidden_str, sel_str);
883                 if (cmd) {
884                         if ((child_info = fork_child(cmd, msg_str, children))) {
885                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
886                                         child_info->msginfo_list = 
887                                                 g_slist_copy (msg_list);
888                                 children_list = g_slist_append(children_list,
889                                                                 child_info);
890                         }
891                         g_free(cmd);
892                 } else
893                         is_ok  = FALSE;         /* ERR: incorrect command */
894         }
895
896         g_free(msg_str);
897         g_free(sel_str);
898         g_free(user_str);
899         g_free(user_hidden_str);
900
901         if (!children_list) {
902                  /* If not waiting for children, return */
903                 free_children(children);
904         } else {
905                 GSList *cur;
906
907                 children->list        = children_list;
908                 children->nb          = g_slist_length(children_list);
909                 children->initial_nb  = children->nb;
910
911                 for (cur = children_list; cur; cur = cur->next) {
912                         child_info = (ChildInfo *) cur->data;
913                         child_info->callback = callback;
914                         child_info->data = data;
915                         child_info->tag_status = 
916                                 g_child_watch_add(child_info->pid, catch_status, child_info);
917                 }
918
919                 create_io_dialog(children);
920         }
921         return is_ok;
922 }
923
924 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
925                              Children *children)
926 {
927         gint chld_in, chld_out, chld_err;
928         gchar **argv, *ret_str, *trim_cmd;
929         GPid pid;
930         ChildInfo *child_info;
931         gint follow_child;
932         gssize by_written = 0, by_read = 0;
933         gboolean result = FALSE;
934         GError *error = NULL;
935
936         follow_child = !(children->action_type & ACTION_ASYNC);
937
938         chld_in = chld_out = chld_err = -1;
939
940         ret_str = g_locale_from_utf8(cmd, strlen(cmd),
941                                      &by_read, &by_written,
942                                      NULL);
943         if (!ret_str || !by_written)
944                 ret_str = g_strdup(cmd);
945
946         trim_cmd = ret_str;
947
948         while (g_ascii_isspace(trim_cmd[0]))
949                 trim_cmd++;
950
951         argv = strsplit_with_quote(trim_cmd, " ", 0);
952
953         g_free(ret_str);
954
955         if (follow_child) {
956                 result = g_spawn_async_with_pipes(NULL, argv, NULL,
957                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
958                           NULL, NULL, &pid, &chld_in, &chld_out,
959                           &chld_err, &error);
960         } else {
961                 result = g_spawn_async(NULL, argv, NULL, 
962                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH, NULL, NULL,
963                           &pid, &error);
964         }
965
966         debug_print("spawning %s: %d\n", cmd, result);
967
968         g_strfreev(argv);
969
970         if (!result) {
971                 alertpanel_error(_("Could not fork to execute the following "
972                                 "command:\n%s\n%s"),
973                                  cmd, error ? error->message : _("Unknown error"));
974                 if (error)
975                         g_error_free(error);
976                 return NULL;
977         }
978
979         if (!(children->action_type &
980               (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
981                 (void)close(chld_in);
982
983         if (!follow_child) {
984                 g_spawn_close_pid(pid);
985                 return NULL;
986         }
987         child_info = g_new0(ChildInfo, 1);
988
989         child_info->children    = children;
990
991         child_info->pid         = pid;
992 #ifdef G_OS_UNIX
993         child_info->next_sig    = SIGTERM;
994 #endif
995         child_info->cmd         = g_strdup(cmd);
996         child_info->new_out     = FALSE;
997         child_info->output      = g_string_new(NULL);
998         child_info->chld_in     =
999                 (children->action_type &
1000                  (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
1001                         ? chld_in : -1;
1002         child_info->chld_out    = chld_out;
1003         child_info->chld_err    = chld_err;
1004         child_info->tag_status  = -1;
1005         child_info->tag_in      = -1;
1006         child_info->tag_out     = claws_input_add(chld_out, G_IO_IN | G_IO_HUP | G_IO_ERR,
1007                                                 catch_output, child_info, FALSE);
1008         child_info->tag_err     = claws_input_add(chld_err, G_IO_IN | G_IO_HUP | G_IO_ERR,
1009                                                 catch_output, child_info, FALSE);
1010
1011         if (!(children->action_type &
1012               (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1013                 return child_info;
1014
1015         if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
1016                 int r;
1017                 ret_str = g_locale_from_utf8(msg_str, strlen(msg_str),
1018                                              &by_read, &by_written, NULL);
1019                 if (ret_str && by_written) {
1020                         r = write(chld_in, ret_str, strlen(ret_str));
1021                         g_free(ret_str);
1022                 } else
1023                         r = write(chld_in, msg_str, strlen(msg_str));
1024                 if (!(children->action_type &
1025                       (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1026                         r = close(chld_in);
1027                 child_info->chld_in = -1; /* No more input */
1028                 if (r != 0)
1029                         debug_print("%s(%d)", strerror(errno), errno);
1030         }
1031
1032         return child_info;
1033 }
1034
1035 static void kill_children_cb(GtkWidget *widget, gpointer data)
1036 {
1037         GSList *cur;
1038         Children *children = (Children *) data;
1039         ChildInfo *child_info;
1040
1041         for (cur = children->list; cur; cur = cur->next) {
1042                 child_info = (ChildInfo *)(cur->data);
1043                 debug_print("Killing child group id %d\n", child_info->pid);
1044 #ifdef G_OS_UNIX
1045                 if (child_info->pid && kill(child_info->pid, child_info->next_sig) < 0)
1046                         perror("kill");
1047                 child_info->next_sig = SIGKILL;
1048 #else
1049                 TerminateProcess(child_info->pid, 0);
1050 #endif
1051         }
1052 }
1053
1054 static gint wait_for_children(Children *children)
1055 {
1056         gboolean new_output;
1057         ChildInfo *child_info;
1058         GSList *cur;
1059
1060         cur = children->list;
1061         new_output = FALSE;
1062         while (cur) {
1063                 child_info = (ChildInfo *)cur->data;
1064                 new_output |= child_info->new_out;
1065                 cur = cur->next;
1066         }
1067
1068         children->output |= new_output;
1069
1070         if (new_output || (children->dialog && (children->initial_nb != children->nb)))
1071                 update_io_dialog(children);
1072
1073         if (children->nb)
1074                 return FALSE;
1075
1076         if (!children->dialog) {
1077                 free_children(children);
1078         } else if (!children->output) {
1079                 gtk_widget_destroy(children->dialog);
1080         }
1081
1082         return FALSE;
1083 }
1084
1085 static void send_input(GtkWidget *w, gpointer data)
1086 {
1087         Children *children = (Children *) data;
1088         ChildInfo *child_info = (ChildInfo *) children->list->data;
1089
1090         child_info->tag_in = claws_input_add(child_info->chld_in,
1091                                            G_IO_OUT | G_IO_ERR,
1092                                            catch_input, children, FALSE);
1093 }
1094
1095 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1096 {
1097         hide_io_dialog_cb(w, data);
1098         return TRUE;
1099 }
1100
1101 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1102 {
1103
1104         Children *children = (Children *)data;
1105
1106         if (!children->nb) {
1107                 g_signal_handlers_disconnect_matched
1108                         (G_OBJECT(children->dialog), G_SIGNAL_MATCH_DATA,
1109                          0, 0, NULL, NULL, children);
1110                 gtk_widget_destroy(children->dialog);
1111                 free_children(children);
1112         }
1113 }
1114
1115 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
1116                                      gpointer data)
1117 {
1118         if (event && (event->keyval == GDK_KEY_Escape ||
1119                       event->keyval == GDK_KEY_Return ||
1120                           event->keyval == GDK_KEY_KP_Enter))
1121                 hide_io_dialog_cb(widget, data);
1122         return TRUE;
1123 }
1124
1125 static void childinfo_close_pipes(ChildInfo *child_info)
1126 {
1127         /* stdout and stderr pipes are guaranteed to be removed by
1128          * their handler, but in case where we receive child exit notification
1129          * before grand-child's pipes closing signals, we check them and close
1130          * them if necessary
1131          */
1132         if (child_info->tag_in > 0)
1133                 g_source_remove(child_info->tag_in);
1134         if (child_info->tag_out > 0)
1135                 g_source_remove(child_info->tag_out);
1136         if (child_info->tag_err > 0)
1137                 g_source_remove(child_info->tag_err);
1138
1139         if (child_info->chld_in >= 0)
1140                 (void)close(child_info->chld_in);
1141         if (child_info->chld_out >= 0)
1142                 (void)close(child_info->chld_out);
1143         if (child_info->chld_err >= 0)
1144                 (void)close(child_info->chld_err);
1145 }
1146
1147 static void free_children(Children *children)
1148 {
1149         ChildInfo *child_info;
1150         void (*callback)(void *data) = NULL;
1151         void *data = NULL;
1152
1153         debug_print("Freeing children data %p\n", children);
1154
1155         g_free(children->action);
1156         while (children->list != NULL) {
1157                 child_info = (ChildInfo *)children->list->data;
1158                 g_free(child_info->cmd);
1159                 g_string_free(child_info->output, TRUE);
1160                 children->list = g_slist_remove(children->list, child_info);
1161                 callback = child_info->callback;
1162                 data = child_info->data;
1163                 g_free(child_info);
1164         }
1165
1166         if (callback)
1167                 callback(data);
1168         
1169         g_free(children);
1170 }
1171
1172 static void update_io_dialog(Children *children)
1173 {
1174         GSList *cur;
1175
1176         debug_print("Updating actions input/output dialog.\n");
1177
1178         if (children->progress_bar) {
1179                 gchar *text;
1180 #ifdef GENERIC_UMPC
1181                 /* use a more compact format */
1182                 const gchar *format = "%s %d/%d";
1183 #else
1184                 const gchar *format = "%s %d / %d";
1185 #endif
1186                 
1187                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(children->progress_bar),
1188                                                   (children->initial_nb == 0) ? 0 :
1189                                               (gdouble) (children->initial_nb - children->nb) /
1190                                               (gdouble) children->initial_nb);
1191                 text = g_strdup_printf(format, _("Completed"), 
1192                                        children->initial_nb - children->nb,
1193                                        children->initial_nb);
1194                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(children->progress_bar), text);
1195                 g_free(text);
1196         }
1197
1198         if (!children->nb) {
1199                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1200                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1201                 if (children->input_hbox)
1202                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1203                 gtk_widget_grab_focus(children->close_btn);
1204                 g_signal_connect(G_OBJECT(children->dialog),
1205                                  "key_press_event",
1206                                  G_CALLBACK(io_dialog_key_pressed_cb),
1207                                  children);
1208         }
1209
1210         if (children->output) {
1211                 GtkWidget *text = children->text;
1212                 GtkTextBuffer *textbuf;
1213                 GtkTextIter iter, start_iter, end_iter;
1214                 gchar *caption;
1215                 ChildInfo *child_info;
1216
1217                 gtk_widget_show(children->scrolledwin);
1218                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1219                 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1220                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1221                 gtk_text_buffer_get_start_iter(textbuf, &iter);
1222
1223                 for (cur = children->list; cur; cur = cur->next) {
1224                         child_info = (ChildInfo *)cur->data;
1225                         if (child_info->pid)
1226                                 caption = g_strdup_printf
1227                                         (_("--- Running: %s\n"),
1228                                          child_info->cmd);
1229                         else
1230                                 caption = g_strdup_printf
1231                                         (_("--- Ended: %s\n"),
1232                                          child_info->cmd);
1233
1234                         gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1235                         gtk_text_buffer_insert(textbuf, &iter,
1236                                                child_info->output->str, -1);
1237                         g_free(caption);
1238                         child_info->new_out = FALSE;
1239                 }
1240         }
1241 }
1242
1243 static void create_io_dialog(Children *children)
1244 {
1245         GtkWidget *dialog;
1246         GtkWidget *vbox;
1247         GtkWidget *entry = NULL;
1248         GtkWidget *input_hbox = NULL;
1249         GtkWidget *send_button;
1250         GtkWidget *label;
1251         GtkWidget *text;
1252         GtkWidget *scrolledwin;
1253         GtkWidget *hbox;
1254         GtkWidget *progress_bar = NULL;
1255         GtkWidget *abort_button;
1256         GtkWidget *close_button;
1257
1258         debug_print("Creating action IO dialog\n");
1259
1260         dialog = gtk_dialog_new();
1261         gtk_container_set_border_width
1262                 (GTK_CONTAINER(gtk_dialog_get_action_area(GTK_DIALOG(dialog))), 5);
1263         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1264         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1265         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1266         manage_window_set_transient(GTK_WINDOW(dialog));
1267         g_signal_connect(G_OBJECT(dialog), "delete_event",
1268                          G_CALLBACK(delete_io_dialog_cb), children);
1269         g_signal_connect(G_OBJECT(dialog), "destroy",
1270                          G_CALLBACK(hide_io_dialog_cb),
1271                          children);
1272
1273         vbox = gtk_vbox_new(FALSE, 8);
1274         gtk_container_add(GTK_CONTAINER(
1275                                 gtk_dialog_get_content_area(GTK_DIALOG(dialog))), vbox);
1276         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1277         gtk_widget_show(vbox);
1278
1279         label = gtk_label_new(children->action);
1280         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1281         gtk_widget_show(label);
1282
1283         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1284         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1285                                        GTK_POLICY_AUTOMATIC,
1286                                        GTK_POLICY_AUTOMATIC);
1287         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1288                                             GTK_SHADOW_IN);
1289         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1290         gtk_widget_set_size_request(scrolledwin, 560, 200);
1291         gtk_widget_hide(scrolledwin);
1292
1293         text = gtk_text_view_new();
1294
1295         if (prefs_common.textfont) {
1296                 PangoFontDescription *font_desc;
1297                 font_desc = pango_font_description_from_string
1298                         (prefs_common.textfont);
1299                 if (font_desc) {
1300                         gtk_widget_modify_font(text, font_desc);
1301                         pango_font_description_free(font_desc);
1302                 }
1303         }
1304
1305         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1306         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1307         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1308         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1309         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1310         gtk_widget_show(text);
1311
1312         if (children->open_in) {
1313                 input_hbox = gtk_hbox_new(FALSE, 8);
1314                 gtk_widget_show(input_hbox);
1315
1316                 entry = gtk_entry_new();
1317                 gtk_widget_set_size_request(entry, 320, -1);
1318                 g_signal_connect(G_OBJECT(entry), "activate",
1319                                  G_CALLBACK(send_input), children);
1320                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1321                 if (children->action_type & ACTION_USER_HIDDEN_IN) {
1322                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1323 #ifdef MAEMO
1324                         hildon_gtk_entry_set_input_mode(GTK_ENTRY(entry), 
1325                                 HILDON_GTK_INPUT_MODE_FULL | 
1326                                 HILDON_GTK_INPUT_MODE_INVISIBLE);
1327 #endif
1328                 }
1329                 gtk_widget_show(entry);
1330
1331                 send_button = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
1332                 g_signal_connect(G_OBJECT(send_button), "clicked",
1333                                  G_CALLBACK(send_input), children);
1334                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1335                                    FALSE, 0);
1336                 gtk_widget_show(send_button);
1337
1338                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1339                 gtk_widget_grab_focus(entry);
1340         }
1341
1342         if (children->initial_nb > 1) {
1343                 gchar *text;
1344 #ifdef GENERIC_UMPC
1345                 /* use a more compact format */
1346                 const gchar *format = "%s 0/%d\n";
1347 #else
1348                 const gchar *format = "%s 0 / %d\n";
1349 #endif
1350                 
1351                 progress_bar = gtk_progress_bar_new();
1352 #if !GTK_CHECK_VERSION(3, 0, 0)
1353                 gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar),
1354                                 GTK_PROGRESS_LEFT_TO_RIGHT);
1355 #else
1356                 gtk_orientable_set_orientation(GTK_ORIENTABLE(progress_bar),
1357                                 GTK_ORIENTATION_HORIZONTAL);
1358                 gtk_progress_bar_set_inverted(GTK_PROGRESS_BAR(progress_bar),
1359                                 FALSE);
1360 #endif
1361                 text = g_strdup_printf(format, _("Completed"), 
1362                                        children->initial_nb);
1363                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
1364                                           text);
1365                 g_free(text);
1366                 gtk_box_pack_start(GTK_BOX(vbox), progress_bar, FALSE, FALSE, 0);
1367                 gtk_widget_show(progress_bar);
1368         }
1369
1370         gtkut_stock_button_set_create(&hbox, &abort_button, GTK_STOCK_STOP,
1371                                       &close_button, GTK_STOCK_CLOSE, NULL, NULL);
1372         g_signal_connect(G_OBJECT(abort_button), "clicked",
1373                          G_CALLBACK(kill_children_cb), children);
1374         g_signal_connect(G_OBJECT(close_button), "clicked",
1375                          G_CALLBACK(hide_io_dialog_cb), children);
1376         gtk_widget_show(hbox);
1377
1378         if (children->nb)
1379                 gtk_widget_set_sensitive(close_button, FALSE);
1380
1381         gtk_container_add(GTK_CONTAINER(
1382                         gtk_dialog_get_action_area(GTK_DIALOG(dialog))), hbox);
1383
1384         children->dialog       = dialog;
1385         children->scrolledwin  = scrolledwin;
1386         children->text         = text;
1387         children->input_hbox   = children->open_in ? input_hbox : NULL;
1388         children->input_entry  = children->open_in ? entry : NULL;
1389         children->progress_bar = progress_bar;
1390         children->abort_btn    = abort_button;
1391         children->close_btn    = close_button;
1392
1393         gtk_widget_show(dialog);
1394 }
1395
1396 static void catch_status(GPid pid, gint status, gpointer data)
1397 {
1398         ChildInfo *child_info = (ChildInfo *)data;
1399
1400         debug_print("Child returned %d\n", status);
1401
1402         childinfo_close_pipes(child_info);
1403         g_spawn_close_pid(child_info->pid);
1404         child_info->pid = 0;
1405
1406         if (child_info->children->action_type & (ACTION_SINGLE | ACTION_MULTIPLE)
1407             && child_info->msginfo_list) {
1408                 /* Actions on message *files* might change size and
1409                 * time stamp, and thus invalidate the cache */
1410                 SummaryView *summaryview  = NULL;
1411                 GSList      *cur;
1412                 MsgInfo     *msginfo, *nmi;     /* newmsginfo */
1413                 char        *file;
1414                 gboolean     modified_something = FALSE;
1415                 FolderItem  *last_item = NULL;
1416                 if (mainwindow_get_mainwindow ())
1417                         summaryview = mainwindow_get_mainwindow ()->summaryview;
1418                 for (cur = child_info->msginfo_list; cur; cur = cur->next) {
1419                         msginfo = (MsgInfo *)cur->data;
1420                         if (!(msginfo && /* Stuff used valid? */
1421                             msginfo->folder && msginfo->folder->cache)) 
1422                                 continue;
1423                         file = procmsg_get_message_file_path (msginfo);
1424                         if (!file) 
1425                                 continue;
1426                         nmi = procheader_parse_file (file, msginfo->flags, TRUE, FALSE);
1427                         if (!nmi) 
1428                                 continue; /* Deleted? */
1429                         if (msginfo->mtime != nmi->mtime || msginfo->size != nmi->size) {
1430                                 nmi->folder = msginfo->folder;
1431                                 nmi->msgnum = msginfo->msgnum;
1432                                 msgcache_update_msg (msginfo->folder->cache, nmi);
1433                                 modified_something = TRUE;
1434                                 last_item = nmi->folder;
1435                         }
1436                         procmsg_msginfo_free (nmi);
1437                         if (summaryview && summaryview->displayed &&
1438                             summaryview->folder_item == msginfo->folder &&
1439                             summary_get_msgnum(summaryview, summaryview->displayed) == msginfo->msgnum)
1440                                 summary_redisplay_msg(summaryview);
1441                                         
1442                 }
1443                 if (modified_something && last_item && 
1444                     summaryview && summaryview->folder_item == last_item) {
1445                         summary_show (summaryview, summaryview->folder_item);
1446                 }
1447                 g_slist_free (child_info->msginfo_list);
1448                 child_info->msginfo_list = NULL;
1449         }
1450
1451         if (!child_info->pid)
1452                 child_info->children->nb--;
1453
1454         wait_for_children(child_info->children);
1455 }
1456         
1457 static void catch_input(gpointer data, gint source, GIOCondition cond)
1458 {
1459         Children *children = (Children *)data;
1460         ChildInfo *child_info = (ChildInfo *)children->list->data;
1461         gchar *input, *ret_str;
1462         gint c, count, len, r;
1463         gssize by_read = 0, by_written = 0;
1464
1465         debug_print("Sending input to grand child.\n");
1466         if (!(cond & (G_IO_OUT | G_IO_ERR)))
1467                 return;
1468
1469         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1470         gtk_widget_grab_focus(children->abort_btn);
1471
1472         g_source_remove(child_info->tag_in);
1473         child_info->tag_in = -1;
1474
1475         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1476                                        0, -1);
1477         ret_str = g_locale_from_utf8(input, strlen(input), &by_read,
1478                                      &by_written, NULL);
1479         if (ret_str && by_written) {
1480                 g_free(input);
1481                 input = ret_str;
1482         }
1483
1484         len = strlen(input);
1485         count = 0;
1486
1487         do {
1488                 c = write(child_info->chld_in, input + count, len - count);
1489                 if (c >= 0)
1490                         count += c;
1491         } while (c >= 0 && count < len);
1492
1493         if (c >= 0)
1494                 r = write(child_info->chld_in, "\n", 2);
1495
1496         g_free(input);
1497
1498         r = close(child_info->chld_in);
1499         child_info->chld_in = -1;
1500         if (r != 0)
1501                 debug_print("%s(%d)", strerror(errno), errno);
1502         child_info->chld_in = -1;
1503         debug_print("Input to grand child sent.\n");
1504 }
1505
1506 static void catch_output(gpointer data, gint source, GIOCondition cond)
1507 {
1508         ChildInfo *child_info = (ChildInfo *)data;
1509         gint c;
1510         gchar buf[BUFFSIZE];
1511
1512         debug_print("Catching grand child's output.\n");
1513         if (child_info->children->action_type &
1514             (ACTION_PIPE_OUT | ACTION_INSERT)
1515             && source == child_info->chld_out) {
1516                 GtkTextView *text =
1517                         GTK_TEXT_VIEW(child_info->children->msg_text);
1518                 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1519                 GtkTextIter iter;
1520                 GtkTextMark *mark;
1521                 gint ins_pos;
1522
1523                 mark = gtk_text_buffer_get_insert(textbuf);
1524                 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1525                 ins_pos = gtk_text_iter_get_offset(&iter);
1526
1527                 while (TRUE) {
1528                         gsize bytes_read = 0, bytes_written = 0;
1529                         gchar *ret_str;
1530
1531                         c = read(source, buf, sizeof(buf) - 1);
1532                         if (c == 0)
1533                                 break;
1534
1535                         ret_str = g_locale_to_utf8
1536                                 (buf, c - 1, &bytes_read, &bytes_written, NULL);
1537                         if (ret_str && bytes_written > 0) {
1538                                 gtk_text_buffer_insert
1539                                         (textbuf, &iter, ret_str,
1540                                          -1);
1541                                 g_free(ret_str);
1542                         } else
1543                                 gtk_text_buffer_insert(textbuf, &iter, buf, c - 1);
1544                 }
1545
1546                 if (child_info->children->is_selection) {
1547                         GtkTextIter ins;
1548
1549                         gtk_text_buffer_get_iter_at_offset
1550                                 (textbuf, &ins, ins_pos);
1551                         gtk_text_buffer_select_range(textbuf, &ins, &iter);
1552                 }
1553         } else {
1554                 c = read(source, buf, sizeof(buf) - 1);
1555                 if (c > 0) {
1556                         gsize bytes_read = 0, bytes_written = 0;
1557                         gchar *ret_str;
1558
1559                         ret_str = g_locale_to_utf8
1560                                 (buf, c, &bytes_read, &bytes_written, NULL);
1561                         if (ret_str && bytes_written > 0) {
1562                                 g_string_append_len
1563                                         (child_info->output, ret_str,
1564                                          bytes_written);
1565                                 g_free(ret_str);
1566                         } else
1567                                 g_string_append_len(child_info->output, buf, c);
1568
1569                         child_info->new_out = TRUE;
1570                 }
1571         }
1572         if (c == 0) {
1573                 if (source == child_info->chld_out) {
1574                         g_source_remove(child_info->tag_out);
1575                         child_info->tag_out = -1;
1576                         (void)close(child_info->chld_out);
1577                         child_info->chld_out = -1;
1578                 } else {
1579                         g_source_remove(child_info->tag_err);
1580                         child_info->tag_err = -1;
1581                         (void)close(child_info->chld_err);
1582                         child_info->chld_err = -1;
1583                 }
1584         }
1585         
1586         wait_for_children(child_info->children);
1587 }
1588
1589 static gchar *get_user_string(const gchar *action, ActionType type)
1590 {
1591         gchar *message;
1592         gchar *user_str = NULL;
1593
1594         switch (type) {
1595         case ACTION_USER_HIDDEN_STR:
1596                 message = g_strdup_printf
1597                         (_("Enter the argument for the following action:\n"
1598                            "('%%h' will be replaced with the argument)\n"
1599                            "  %s"),
1600                          action);
1601                 user_str = input_dialog_with_invisible
1602                         (_("Action's hidden user argument"), message, NULL);
1603                 break;
1604         case ACTION_USER_STR:
1605                 message = g_strdup_printf
1606                         (_("Enter the argument for the following action:\n"
1607                            "('%%u' will be replaced with the argument)\n"
1608                            "  %s"),
1609                          action);
1610                 user_str = input_dialog
1611                         (_("Action's user argument"), message, NULL);
1612                 break;
1613         default:
1614                 g_warning("Unsupported action type %d", type);
1615         }
1616
1617         return user_str;
1618 }