remove all gtk3 conditionals
[claws.git] / src / action.c
1 /*
2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3  * Copyright (C) 1999-2016 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 #ifdef HAVE_CONFIG_H
20 #  include "config.h"
21 #include "claws-features.h"
22 #endif
23
24 #include "defs.h"
25
26 #include <glib.h>
27 #include <glib/gi18n.h>
28 #include <gtk/gtk.h>
29 #include <gdk/gdkkeysyms.h>
30 #ifdef GDK_WINDOWING_X11
31 #  include <gdk/gdkx.h>
32 #endif /* GDK_WINDOWING_X11 */
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <errno.h>
37 #include <sys/types.h>
38 #if HAVE_SYS_WAIT_H
39 #  include <sys/wait.h>
40 #endif
41 #include <signal.h>
42 #include <unistd.h>
43
44 #include "utils.h"
45 #include "gtkutils.h"
46 #include "manage_window.h"
47 #include "mainwindow.h"
48 #include "prefs_common.h"
49 #include "alertpanel.h"
50 #include "inputdialog.h"
51 #include "action.h"
52 #include "compose.h"
53 #include "procmsg.h"
54 #include "msgcache.h"
55 #include "textview.h"
56 #include "matcher_parser.h" /* CLAWS */
57 #include "filtering.h"
58 #include "procheader.h"
59
60 #ifdef G_OS_WIN32
61 #include <windows.h>
62 #endif
63
64 typedef struct _Children                Children;
65 typedef struct _ChildInfo               ChildInfo;
66 typedef struct _UserStringDialog        UserStringDialog;
67
68 struct _Children
69 {
70         GtkWidget       *dialog;
71         GtkWidget       *text;
72         GtkWidget       *input_entry;
73         GtkWidget       *input_hbox;
74         GtkWidget       *progress_bar;
75         GtkWidget       *abort_btn;
76         GtkWidget       *close_btn;
77         GtkWidget       *scrolledwin;
78
79         gchar           *action;
80         ActionType       action_type;
81         GSList          *list;
82         gint             nb;
83         gint             initial_nb;
84         gint             open_in;
85         gboolean         output;
86
87         GtkWidget       *msg_text;
88
89         gboolean         is_selection;
90 };
91
92 struct _ChildInfo
93 {
94         Children        *children;
95         gchar           *cmd;
96         GPid             pid;
97         gint             next_sig;
98         gint             chld_in;
99         gint             chld_out;
100         gint             chld_err;
101         gint             tag_in;
102         gint             tag_out;
103         gint             tag_err;
104         gint             tag_status;
105         gint             new_out;
106
107         GString         *output;
108         void (*callback)(void *data);
109         void *data;
110
111         GSList          *msginfo_list;
112 };
113
114 static void action_update_menu          (GtkUIManager   *ui_manager,
115                                          const gchar    *accel_group,
116                                          gchar          *branch_path,
117                                          gpointer        callback,
118                                          gpointer        data);
119 static void compose_actions_execute_cb  (GtkWidget      *widget, 
120                                          gpointer        data);
121 static void compose_actions_execute     (Compose        *compose,
122                                          guint           action_nb,
123                                          GtkWidget      *widget);
124
125 static void mainwin_actions_execute_cb  (GtkWidget      *widget, 
126                                          gpointer        data);
127 static void mainwin_actions_execute     (MainWindow     *mainwin,
128                                          guint           action_nb,
129                                          GtkWidget      *widget);
130
131 static void msgview_actions_execute_cb  (GtkWidget      *widget, 
132                                          gpointer        data);
133 static void msgview_actions_execute     (MessageView    *msgview,
134                                          guint           action_nb,
135                                          GtkWidget      *widget);
136
137 static void message_actions_execute     (MessageView    *msgview,
138                                          guint           action_nb,
139                                          GSList         *msg_list);
140
141 static gboolean execute_filtering_actions(gchar         *action, 
142                                           GSList        *msglist);
143
144 static gboolean execute_actions         (gchar          *action, 
145                                          GSList         *msg_list, 
146                                          GtkWidget      *text,
147                                          gint            body_pos,
148                                          MimeInfo       *partinfo, 
149                                          void (*callback)(void *data),
150                                          void *data);
151
152 static gchar *parse_action_cmd          (gchar          *action,
153                                          MsgInfo        *msginfo,
154                                          GSList         *msg_list,
155                                          MimeInfo       *partinfo,
156                                          const gchar    *user_str,
157                                          const gchar    *user_hidden_str,
158                                          const gchar    *sel_str);
159 static gboolean parse_append_filename   (GString        *cmd,
160                                          MsgInfo        *msginfo);
161
162 static gboolean parse_append_msgpart    (GString        *cmd,
163                                          MsgInfo        *msginfo,
164                                          MimeInfo       *partinfo);
165
166 static ChildInfo *fork_child            (gchar          *cmd,
167                                          const gchar    *msg_str,
168                                          Children       *children);
169
170 static gint wait_for_children           (Children       *children);
171
172 static void free_children               (Children       *children);
173
174 static void childinfo_close_pipes       (ChildInfo      *child_info);
175
176 static void create_io_dialog            (Children       *children);
177 static void update_io_dialog            (Children       *children);
178
179 static void hide_io_dialog_cb           (GtkWidget      *widget,
180                                          gpointer        data);
181 static gint io_dialog_key_pressed_cb    (GtkWidget      *widget,
182                                          GdkEventKey    *event,
183                                          gpointer        data);
184
185 static void catch_output                (gpointer                data,
186                                          gint                    source,
187                                          GIOCondition            cond);
188 static void catch_input                 (gpointer                data, 
189                                          gint                    source,
190                                          GIOCondition            cond);
191 static void catch_status                (GPid pid, gint status, gpointer data);
192
193 static gchar *get_user_string           (const gchar    *action,
194                                          ActionType      type);
195
196
197 ActionType action_get_type(const gchar *action_str)
198 {
199         const gchar *p;
200         gboolean in_filtering_action = FALSE;
201         ActionType action_type = ACTION_NONE;
202
203         cm_return_val_if_fail(action_str,  ACTION_ERROR);
204         cm_return_val_if_fail(*action_str, ACTION_ERROR);
205
206         p = action_str;
207
208         if (p[0] == '|') {
209                 action_type |= ACTION_PIPE_IN;
210                 p++;
211         } else if (p[0] == '>') {
212                 action_type |= ACTION_USER_IN;
213                 p++;
214         } else if (p[0] == '*') {
215                 action_type |= ACTION_USER_HIDDEN_IN;
216                 p++;
217         }
218
219         if (p[0] == '\0')
220                 return ACTION_ERROR;
221
222         while (*p && action_type != ACTION_ERROR) {
223                 if (!in_filtering_action) {
224                         if (p[0] == '%' && p[1]) {
225                                 switch (p[1]) {
226                                 case 'a':
227                                         /* CLAWS: filtering action is a mutually exclusive
228                                         * action. we can enable others if needed later. we
229                                         * add ACTION_SINGLE | ACTION_MULTIPLE so it will
230                                         * only be executed from the main window toolbar */
231                                         if (p[2] == 's')  /* source messages */
232                                                 action_type = ACTION_FILTERING_ACTION 
233                                                                 | ACTION_SINGLE 
234                                                                 | ACTION_MULTIPLE;
235                                         in_filtering_action = TRUE;
236                                         break;
237                                 case 'f':
238                                         action_type |= ACTION_SINGLE;
239                                         break;
240                                 case 'F':
241                                         action_type |= ACTION_MULTIPLE;
242                                         break;
243                                 case 'p':
244                                         action_type |= ACTION_SINGLE;
245                                         break;
246                                 case 's':
247                                         action_type |= ACTION_SELECTION_STR;
248                                         break;
249                                 case 'u':
250                                         action_type |= ACTION_USER_STR;
251                                         break;
252                                 case 'h':
253                                         action_type |= ACTION_USER_HIDDEN_STR;
254                                         break;
255                                 case '%':
256                                         /* literal '%' */
257                                         break;
258                                 default:
259                                         action_type = ACTION_ERROR;
260                                         break;
261                                 }
262                                 p++;
263                         } else if (p[0] == '|') {
264                                 if (p[1] == '\0')
265                                         action_type |= ACTION_PIPE_OUT;
266                         } else if (p[0] == '>') {
267                                 if (p[1] == '\0')
268                                         action_type |= ACTION_INSERT;
269                         } else if (p[0] == '&') {
270                                 if (p[1] == '\0')
271                                         action_type |= ACTION_ASYNC;
272                         } else if (p[0] == '}') {
273                                 in_filtering_action = FALSE;
274                         }
275                 }
276                         p++;
277         }
278
279         return action_type;
280 }
281
282 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
283                                GSList *msg_list, MimeInfo *partinfo,
284                                const gchar *user_str,
285                                const gchar *user_hidden_str,
286                                const gchar *sel_str)
287 {
288         GString *cmd;
289         gchar *p;
290         GSList *cur;
291         
292         p = action;
293         
294         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
295                 p++;
296
297         cmd = g_string_sized_new(strlen(action));
298
299         while (p[0] &&
300                !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
301                 if (p[0] == '%' && p[1]) {
302                         switch (p[1]) {
303                         case 'f':
304                                 if (!parse_append_filename(cmd, msginfo)) {
305                                         g_string_free(cmd, TRUE);
306                                         return NULL;
307                                 }
308                                 p++;
309                                 break;
310                         case 'F':
311                                 for (cur = msg_list; cur != NULL;
312                                      cur = cur->next) {
313                                         MsgInfo *msg = (MsgInfo *)cur->data;
314
315                                         if (!parse_append_filename(cmd, msg)) {
316                                                 g_string_free(cmd, TRUE);
317                                                 return NULL;
318                                         }
319                                         if (cur->next)
320                                                 g_string_append_c(cmd, ' ');
321                                 }
322                                 p++;
323                                 break;
324                         case 'p':
325                                 if (!parse_append_msgpart(cmd, msginfo,
326                                                           partinfo)) {
327                                         g_string_free(cmd, TRUE);
328                                         return NULL;
329                                 }
330                                 p++;
331                                 break;
332                         case 's':
333                                 if (sel_str)
334                                         g_string_append(cmd, sel_str);
335                                 p++;
336                                 break;
337                         case 'u':
338                                 if (user_str)
339                                         g_string_append(cmd, user_str);
340                                 p++;
341                                 break;
342                         case 'h':
343                                 if (user_hidden_str)
344                                         g_string_append(cmd, user_hidden_str);
345                                 p++;
346                                 break;
347                         case '%':
348                                 g_string_append_c(cmd, p[1]);
349                                 p++;
350                                 break;
351                         default:
352                                 g_string_append_c(cmd, p[0]);
353                                 g_string_append_c(cmd, p[1]);
354                                 p++;
355                         }
356                 } else {
357                         g_string_append_c(cmd, p[0]);
358                 }
359                 p++;
360         }
361         if (cmd->len == 0) {
362                 g_string_free(cmd, TRUE);
363                 return NULL;
364         }
365
366         p = cmd->str;
367         g_string_free(cmd, FALSE);
368         return p;
369 }
370
371 static gboolean parse_append_filename(GString *cmd, MsgInfo *msginfo)
372 {
373         gchar *filename;
374
375         cm_return_val_if_fail(msginfo, FALSE);
376
377         filename = procmsg_get_message_file(msginfo);
378
379         if (!filename) {
380                 alertpanel_error(_("Could not get message file %d"),
381                                  msginfo->msgnum);
382                 return FALSE;
383         }
384
385         g_string_append(cmd, "\"");
386 #ifdef G_OS_UNIX
387         gchar *p = filename, *q;
388         gchar escape_ch[] = "\\ ";
389         while ((q = strpbrk(p, "$\"`\\~")) != NULL) {
390                 escape_ch[1] = *q;
391                 *q = '\0';
392                 g_string_append(cmd, p);
393                 g_string_append(cmd, escape_ch);
394                 p = q + 1;
395         }
396
397         g_string_append(cmd, p);
398 #else
399         g_string_append(cmd, filename);
400 #endif
401         g_string_append(cmd, "\"");
402         g_free(filename);
403
404         return TRUE;
405 }
406
407 static gboolean parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
408                                      MimeInfo *partinfo)
409 {
410         gboolean single_part = FALSE;
411         gchar *filename;
412         gchar *part_filename;
413         gint ret;
414
415         if (!partinfo) {
416                 partinfo = procmime_scan_message(msginfo);
417                 if (!partinfo) {
418                         alertpanel_error(_("Could not get message part."));
419                         return FALSE;
420                 }
421
422                 single_part = TRUE;
423         }
424
425         filename = procmsg_get_message_file_path(msginfo);
426         part_filename = procmime_get_tmp_file_name(partinfo);
427
428         ret = procmime_get_part(part_filename, partinfo);
429
430         if (single_part)
431                 procmime_mimeinfo_free_all(&partinfo);
432         g_free(filename);
433
434         if (ret < 0) {
435                 alertpanel_error(_("Can't get part of multipart message: %s"), g_strerror(-ret));
436                 g_free(part_filename);
437                 return FALSE;
438         }
439
440         g_string_append(cmd, part_filename);
441
442         g_free(part_filename);
443
444         return TRUE;
445 }
446
447 void actions_execute(gpointer data, 
448                      guint action_nb,
449                      GtkWidget *widget,
450                      gint source)
451 {
452         if (source == TOOLBAR_MAIN) 
453                 mainwin_actions_execute((MainWindow*)data, action_nb, widget);
454         else if (source == TOOLBAR_COMPOSE)
455                 compose_actions_execute((Compose*)data, action_nb, widget);
456         else if (source == TOOLBAR_MSGVIEW)
457                 msgview_actions_execute((MessageView*)data, action_nb, widget); 
458 }
459
460 void action_update_mainwin_menu(GtkUIManager *ui_manager,
461                                 gchar *branch_path,
462                                 MainWindow *mainwin)
463 {
464         action_update_menu(ui_manager, "<MainwinActions>", branch_path,
465                            mainwin_actions_execute_cb, mainwin);
466 }
467
468 void action_update_msgview_menu(GtkUIManager    *ui_manager,
469                                 gchar *branch_path,
470                                 MessageView *msgview)
471 {
472         action_update_menu(ui_manager, "<MsgviewActions>", branch_path,
473                            msgview_actions_execute_cb, msgview);
474 }
475
476 void action_update_compose_menu(GtkUIManager *ui_manager, 
477                                 gchar *branch_path,
478                                 Compose *compose)
479 {
480         action_update_menu(ui_manager, "<ComposeActions>", branch_path,
481                            compose_actions_execute_cb, compose);
482 }
483
484 static GtkWidget *find_item_in_menu(GtkWidget *menu, gchar *name)
485 {
486         GList *children = gtk_container_get_children(GTK_CONTAINER(GTK_MENU_SHELL(menu)));
487         GList *amenu = children;
488         const gchar *existing_name;
489         while (amenu) {
490                 GtkWidget *item = GTK_WIDGET(amenu->data);
491                 if ((existing_name = g_object_get_data(G_OBJECT(item), "s_name")) != NULL &&
492                     !strcmp2(name, existing_name))
493                 {
494                         g_list_free(children);
495                          return item;
496                 }
497                 amenu = amenu->next;
498         }
499
500         g_list_free(children);
501
502         return NULL;
503 }
504
505 static GtkWidget *create_submenus(GtkWidget *menu, const gchar *action)
506 {
507         gchar *submenu = g_strdup(action);
508         GtkWidget *new_menu = NULL;
509         
510         if (strchr(submenu, '/')) {
511                 const gchar *end = (strchr(submenu, '/')+1);
512                 GtkWidget *menu_item = NULL;
513                 if (end && *end) {
514                         *strchr(submenu, '/') = '\0';
515                         if ((menu_item = find_item_in_menu(menu, submenu)) == NULL) {
516                                 menu_item = gtk_menu_item_new_with_mnemonic(submenu);
517                                 g_object_set_data_full(G_OBJECT(menu_item), "s_name", g_strdup(submenu), g_free);
518                                 gtk_widget_show(menu_item);
519                                 gtk_menu_shell_append(GTK_MENU_SHELL(menu), menu_item);         
520                                 new_menu = gtk_menu_new();
521                                 gtk_widget_show(new_menu);
522                                 gtk_menu_item_set_submenu(GTK_MENU_ITEM(menu_item), new_menu);
523                         } else {
524                                 new_menu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(menu_item));
525                         }
526                         new_menu = create_submenus(new_menu, end);
527                 }
528         }
529         g_free(submenu);
530         return new_menu ? new_menu : menu;
531 }
532
533 static void action_update_menu(GtkUIManager *ui_manager,
534                                const gchar *accel_group,
535                                gchar *branch_path,
536                                gpointer callback, gpointer data)
537 {
538         GSList *cur;
539         gchar *action, *action_p;
540         int callback_action = 0;
541         GtkWidget *menu = gtk_menu_new();
542         GtkWidget *item;
543
544         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
545                 GtkWidget *cur_menu = menu;
546                 const gchar *action_name = NULL;
547                 action   = g_strdup((gchar *)cur->data);
548                 action_p = strstr(action, ": ");
549                 if (action_p && action_p[2] &&
550                     (action_get_type(&action_p[2]) != ACTION_ERROR) &&
551                     (action[0] != '/')) {
552                         gchar *accel_path = NULL;
553
554                         action_p[0] = '\0';
555                         if (strchr(action, '/')) {
556                                 cur_menu = create_submenus(cur_menu, action);
557                                 action_name = strrchr(action, '/')+1;
558                         } else {
559                                 action_name = action;
560                         }
561                         gtk_menu_set_accel_group (GTK_MENU (cur_menu), 
562                                 gtk_ui_manager_get_accel_group(ui_manager));
563                         item = gtk_menu_item_new_with_label(action_name);
564                         gtk_menu_shell_append(GTK_MENU_SHELL(cur_menu), item);
565                         g_signal_connect(G_OBJECT(item), "activate",
566                                          G_CALLBACK(callback), data);
567                         g_object_set_data(G_OBJECT(item), "action_num", GINT_TO_POINTER(callback_action));
568                         gtk_widget_show(item);
569                         accel_path = g_strconcat(accel_group,branch_path, "/", action, NULL);
570                         gtk_menu_item_set_accel_path(GTK_MENU_ITEM(item), accel_path);
571                         g_free(accel_path);
572
573                 }
574                 g_free(action);
575                 callback_action++;
576         }
577
578         gtk_widget_show(menu);
579         gtk_menu_item_set_submenu(GTK_MENU_ITEM(gtk_ui_manager_get_widget(ui_manager, branch_path)), menu);
580 }
581
582 static void compose_actions_execute_cb(GtkWidget *widget, gpointer data)
583 {
584         Compose *compose = (Compose *)data;
585         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
586         compose_actions_execute(compose, action_nb, NULL);
587 }
588
589 static void compose_actions_execute(Compose *compose, guint action_nb, GtkWidget *widget)
590 {
591         gchar *buf, *action;
592         ActionType action_type;
593
594         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
595
596         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
597         cm_return_if_fail(buf != NULL);
598         action = strstr(buf, ": ");
599         cm_return_if_fail(action != NULL);
600
601         /* Point to the beginning of the command-line */
602         action += 2;
603
604         action_type = action_get_type(action);
605         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
606                 alertpanel_warning
607                         (_("The selected action cannot be used in the compose window\n"
608                            "because it contains %%f, %%F, %%as or %%p."));
609                 return;
610         }
611
612         execute_actions(action, NULL, compose->text, 0, NULL, 
613                 compose_action_cb, compose);
614 }
615
616 static void mainwin_actions_execute_cb(GtkWidget *widget, gpointer data)
617 {
618         MainWindow *mainwin = (MainWindow *)data;
619         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
620         mainwin_actions_execute(mainwin, action_nb, NULL);
621 }
622
623 static void mainwin_actions_execute(MainWindow *mainwin, guint action_nb,
624                                        GtkWidget *widget)
625 {
626         GSList *msg_list;
627
628         msg_list = summary_get_selected_msg_list(mainwin->summaryview);
629         message_actions_execute(mainwin->messageview, action_nb, msg_list);
630         summary_select_by_msg_list(mainwin->summaryview, msg_list);
631         g_slist_free(msg_list);
632 }
633
634 static void msgview_actions_execute_cb(GtkWidget *widget, gpointer data)
635 {
636         MessageView *msgview = (MessageView *)data;
637         gint action_nb = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(widget), "action_num"));
638         msgview_actions_execute(msgview, action_nb, NULL);
639 }
640
641 static void msgview_actions_execute(MessageView *msgview, guint action_nb,
642                                        GtkWidget *widget)
643 {
644         GSList *msg_list = NULL;
645
646         if (msgview->msginfo)
647                 msg_list = g_slist_append(msg_list, msgview->msginfo);
648         message_actions_execute(msgview, action_nb, msg_list);
649         g_slist_free(msg_list);
650 }
651
652 static void message_actions_execute(MessageView *msgview, guint action_nb,
653                                     GSList *msg_list)
654 {
655         TextView *textview;
656         MimeInfo *partinfo;
657         gchar *buf;
658         gchar *action;
659         GtkWidget *text = NULL;
660         guint body_pos = 0;
661         ActionType action_type;
662         
663         cm_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
664
665         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
666
667         cm_return_if_fail(buf);
668         cm_return_if_fail((action = strstr(buf, ": ")));
669
670         /* Point to the beginning of the command-line */
671         action += 2;
672
673         textview = messageview_get_current_textview(msgview);
674         if (textview) {
675                 text     = textview->text;
676                 body_pos = textview->body_pos;
677         }
678         partinfo = messageview_get_selected_mime_part(msgview);
679
680         /* this command will alter the message text */
681         action_type = action_get_type(action);
682         if (action_type & (ACTION_PIPE_OUT | ACTION_INSERT))
683                 msgview->filtered = TRUE;
684
685         if (action_type & ACTION_FILTERING_ACTION) 
686                 /* CLAWS: most of the above code is not necessary for applying
687                  * filtering */
688                 execute_filtering_actions(action, msg_list);
689         else
690                 execute_actions(action, msg_list, text, body_pos, partinfo,
691                         NULL, NULL);
692 }
693
694 static gboolean execute_filtering_actions(gchar *action, GSList *msglist)
695 {
696         GSList *action_list, *p;
697         const gchar *sbegin, *send;
698         gchar *action_string;
699         SummaryView *summaryview = NULL;
700         MainWindow *mainwin = NULL;
701
702         if (mainwindow_get_mainwindow()) {
703                 summaryview = mainwindow_get_mainwindow()->summaryview;
704                 mainwin = mainwindow_get_mainwindow();
705         }
706
707         if (NULL == (sbegin = strstr2(action, "%as{")))
708                 return FALSE;
709         sbegin += sizeof "%as{" - 1;
710         if (NULL == (send = strrchr(sbegin, '}')))
711                 return FALSE;
712         action_string = g_strndup(sbegin, send - sbegin);
713         
714         action_list = matcher_parser_get_action_list(action_string);
715         if (action_list == NULL) {
716                 gchar *tmp = g_strdup(action_string);
717
718                 g_strstrip(tmp);
719                 if (*tmp == '\0')
720                         alertpanel_error(_("There is no filtering action set"));
721                 else
722                         alertpanel_error(_("Invalid filtering action(s):\n%s"), tmp);
723                 g_free(action_string);
724                 g_free(tmp);
725                 return FALSE;
726         }
727         g_free(action_string);
728         
729         /* apply actions on each message info */
730         for (p = msglist; p && p->data; p = g_slist_next(p)) {
731                 filteringaction_apply_action_list(action_list, (MsgInfo *) p->data);
732         }
733
734         if (summaryview) {
735                 summary_lock(summaryview);                              
736                 main_window_cursor_wait(mainwin);               
737                 summary_freeze(summaryview);    
738                 folder_item_update_freeze();                            
739         }
740
741         filtering_move_and_copy_msgs(msglist);
742
743         if (summaryview) {
744                 folder_item_update_thaw();                              
745                 summary_thaw(summaryview);              
746                 main_window_cursor_normal(mainwin);     
747                 summary_unlock(summaryview);                            
748                 summary_show(summaryview, summaryview->folder_item);
749         }
750         for (p = action_list; p; p = g_slist_next(p))
751                 if (p->data) filteringaction_free(p->data);     
752         g_slist_free(action_list);              
753         return TRUE;    
754 }
755
756 static gboolean execute_actions(gchar *action, GSList *msg_list,
757                                 GtkWidget *text,
758                                 gint body_pos, MimeInfo *partinfo,
759                                 void (*callback)(void *data), void *data)
760 {
761         GSList *children_list = NULL, *cur = NULL;
762         gint is_ok  = TRUE;
763         gint msg_list_len;
764         Children *children;
765         ChildInfo *child_info;
766         ActionType action_type;
767         MsgInfo *msginfo;
768         gchar *cmd;
769         gchar *sel_str = NULL;
770         gchar *msg_str = NULL;
771         gchar *user_str = NULL;
772         gchar *user_hidden_str = NULL;
773         GtkTextIter start_iter, end_iter;
774         gboolean is_selection = FALSE;
775
776         cm_return_val_if_fail(action && *action, FALSE);
777
778         action_type = action_get_type(action);
779
780         if (action_type == ACTION_ERROR)
781                 return FALSE;         /* ERR: syntax error */
782
783         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) && !msg_list)
784                 return FALSE;         /* ERR: file command without selection */
785
786         msg_list_len = g_slist_length(msg_list);
787
788         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
789                 if (msg_list_len > 1)
790                         return FALSE; /* ERR: pipe + multiple selection */
791                 if (!text)
792                         return FALSE; /* ERR: pipe and no displayed text */
793         }
794
795         if (action_type & ACTION_SELECTION_STR) {
796                 if (!text)
797                         return FALSE; /* ERR: selection string but no text */
798         }
799
800         if (text) {
801                 GtkTextBuffer *textbuf;
802
803                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
804                 is_selection = gtk_text_buffer_get_selection_bounds
805                         (textbuf, &start_iter, &end_iter);
806                 if (!is_selection) {
807                         gtk_text_buffer_get_iter_at_offset
808                                 (textbuf, &start_iter, body_pos);
809                         gtk_text_buffer_get_end_iter(textbuf, &end_iter);
810                 }
811                 msg_str = gtk_text_buffer_get_text
812                         (textbuf, &start_iter, &end_iter, FALSE);
813                 if (is_selection)
814                         sel_str = g_strdup(msg_str);
815         }
816
817         if (action_type & ACTION_USER_STR) {
818                 if (!(user_str = get_user_string(action, ACTION_USER_STR))) {
819                         g_free(msg_str);
820                         g_free(sel_str);
821                         return FALSE;
822                 }
823         }
824
825         if (action_type & ACTION_USER_HIDDEN_STR) {
826                 if (!(user_hidden_str =
827                         get_user_string(action, ACTION_USER_HIDDEN_STR))) {
828                         g_free(msg_str);
829                         g_free(sel_str);
830                         g_free(user_str);
831                         return FALSE;
832                 }
833         }
834
835         if (text && (action_type & ACTION_PIPE_OUT)) {
836                 GtkTextBuffer *textbuf;
837                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
838                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
839         }
840
841         children = g_new0(Children, 1);
842
843         children->action      = g_strdup(action);
844         children->action_type = action_type;
845         children->msg_text    = text;
846         children->is_selection = is_selection;
847
848         if ((action_type & (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)) &&
849             ((action_type & ACTION_SINGLE) == 0 || msg_list_len == 1))
850                 children->open_in = 1;
851
852         /* Pre-fetch bodies, makes it easier on IMAP (see bug #3011) */
853         for (cur = msg_list; cur; cur = cur->next) {
854                 gchar *dummy;
855                 msginfo = (MsgInfo *)cur->data;
856
857                 dummy = procmsg_get_message_file((MsgInfo *)cur->data);
858                 if (dummy)
859                         g_free(dummy);
860                 else
861                         is_ok = FALSE;
862         }
863
864         if (is_ok && (action_type & ACTION_SINGLE)) {
865                 for (cur = msg_list; cur && is_ok == TRUE; cur = cur->next) {
866                         msginfo = (MsgInfo *)cur->data;
867                         if (!msginfo) {
868                                 is_ok  = FALSE; /* ERR: msginfo missing */
869                                 break;
870                         }
871                         cmd = parse_action_cmd(action, msginfo, msg_list,
872                                                partinfo, user_str,
873                                                user_hidden_str, sel_str);
874                         if (!cmd) {
875                                 debug_print("Action command error\n");
876                                 is_ok  = FALSE; /* ERR: incorrect command */
877                                 break;
878                         }
879                         if ((child_info = fork_child(cmd, msg_str, children))) {
880                                 /* Pass msginfo to catch_status () */
881                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
882                                         child_info->msginfo_list = 
883                                                 g_slist_append (NULL, msginfo);
884                                 children_list = g_slist_append(children_list,
885                                                                child_info);
886                         }
887                         g_free(cmd);
888                 }
889         } else if (is_ok) {
890                 cmd = parse_action_cmd(action, NULL, msg_list, partinfo,
891                                        user_str, user_hidden_str, sel_str);
892                 if (cmd) {
893                         if ((child_info = fork_child(cmd, msg_str, children))) {
894                                 if (!(action_type & (ACTION_PIPE_OUT | ACTION_INSERT)))
895                                         child_info->msginfo_list = 
896                                                 g_slist_copy (msg_list);
897                                 children_list = g_slist_append(children_list,
898                                                                 child_info);
899                         }
900                         g_free(cmd);
901                 } else
902                         is_ok  = FALSE;         /* ERR: incorrect command */
903         }
904
905         g_free(msg_str);
906         g_free(sel_str);
907         g_free(user_str);
908         g_free(user_hidden_str);
909
910         if (!children_list) {
911                  /* If not waiting for children, return */
912                 free_children(children);
913         } else {
914                 GSList *cur;
915
916                 children->list        = children_list;
917                 children->nb          = g_slist_length(children_list);
918                 children->initial_nb  = children->nb;
919
920                 for (cur = children_list; cur; cur = cur->next) {
921                         child_info = (ChildInfo *) cur->data;
922                         child_info->callback = callback;
923                         child_info->data = data;
924                         child_info->tag_status = 
925                                 g_child_watch_add(child_info->pid, catch_status, child_info);
926                 }
927
928                 create_io_dialog(children);
929         }
930         return is_ok;
931 }
932
933 static ChildInfo *fork_child(gchar *cmd, const gchar *msg_str,
934                              Children *children)
935 {
936         gint chld_in, chld_out, chld_err;
937         gchar **argv, *ret_str, *trim_cmd;
938         GPid pid;
939         ChildInfo *child_info;
940         gint follow_child;
941         gssize by_written = 0, by_read = 0;
942         gboolean result = FALSE;
943         GError *error = NULL;
944
945         follow_child = !(children->action_type & ACTION_ASYNC);
946
947         chld_in = chld_out = chld_err = -1;
948
949         ret_str = g_locale_from_utf8(cmd, strlen(cmd),
950                                      &by_read, &by_written,
951                                      NULL);
952         if (!ret_str || !by_written)
953                 ret_str = g_strdup(cmd);
954
955         trim_cmd = ret_str;
956
957         while (g_ascii_isspace(trim_cmd[0]))
958                 trim_cmd++;
959
960 #ifdef G_OS_UNIX
961         argv = g_new0(gchar *, 4);
962         argv[0] = g_strdup("/bin/sh");
963         argv[1] = g_strdup("-c");
964         argv[2] = g_strdup(trim_cmd);
965         argv[3] = 0;
966 #else
967         argv = strsplit_with_quote(trim_cmd, " ", 0);
968 #endif
969         g_free(ret_str);
970
971         if (follow_child) {
972                 result = g_spawn_async_with_pipes(NULL, argv, NULL,
973                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
974                           NULL, NULL, &pid, &chld_in, &chld_out,
975                           &chld_err, &error);
976         } else {
977                 result = g_spawn_async(NULL, argv, NULL, 
978                           G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH, NULL, NULL,
979                           &pid, &error);
980         }
981
982         debug_print("spawning %s: %d\n", cmd, result);
983
984         g_strfreev(argv);
985
986         if (!result) {
987                 alertpanel_error(_("Could not fork to execute the following "
988                                 "command:\n%s\n%s"),
989                                  cmd, error ? error->message : _("Unknown error"));
990                 if (error)
991                         g_error_free(error);
992                 return NULL;
993         }
994
995         if (!(children->action_type &
996               (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
997                 (void)close(chld_in);
998
999         if (!follow_child) {
1000                 g_spawn_close_pid(pid);
1001                 return NULL;
1002         }
1003         child_info = g_new0(ChildInfo, 1);
1004
1005         child_info->children    = children;
1006
1007         child_info->pid         = pid;
1008 #ifdef G_OS_UNIX
1009         child_info->next_sig    = SIGTERM;
1010 #endif
1011         child_info->cmd         = g_strdup(cmd);
1012         child_info->new_out     = FALSE;
1013         child_info->output      = g_string_new(NULL);
1014         child_info->chld_in     =
1015                 (children->action_type &
1016                  (ACTION_PIPE_IN | ACTION_USER_IN | ACTION_USER_HIDDEN_IN))
1017                         ? chld_in : -1;
1018         child_info->chld_out    = chld_out;
1019         child_info->chld_err    = chld_err;
1020         child_info->tag_status  = -1;
1021         child_info->tag_in      = -1;
1022         child_info->tag_out     = claws_input_add(chld_out, G_IO_IN | G_IO_HUP | G_IO_ERR,
1023                                                 catch_output, child_info, FALSE);
1024         child_info->tag_err     = claws_input_add(chld_err, G_IO_IN | G_IO_HUP | G_IO_ERR,
1025                                                 catch_output, child_info, FALSE);
1026
1027         if (!(children->action_type &
1028               (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1029                 return child_info;
1030
1031         if ((children->action_type & ACTION_PIPE_IN) && msg_str) {
1032                 int r;
1033                 ret_str = g_locale_from_utf8(msg_str, strlen(msg_str),
1034                                              &by_read, &by_written, NULL);
1035                 if (ret_str && by_written) {
1036                         r = write(chld_in, ret_str, strlen(ret_str));
1037                         g_free(ret_str);
1038                 } else
1039                         r = write(chld_in, msg_str, strlen(msg_str));
1040                 if (!(children->action_type &
1041                       (ACTION_USER_IN | ACTION_USER_HIDDEN_IN)))
1042                         r = close(chld_in);
1043                 child_info->chld_in = -1; /* No more input */
1044                 if (r != 0)
1045                         debug_print("piping to child process: %s (%d)\n", g_strerror(errno), errno);
1046         }
1047
1048         return child_info;
1049 }
1050
1051 static void kill_children_cb(GtkWidget *widget, gpointer data)
1052 {
1053         GSList *cur;
1054         Children *children = (Children *) data;
1055         ChildInfo *child_info;
1056
1057         for (cur = children->list; cur; cur = cur->next) {
1058                 child_info = (ChildInfo *)(cur->data);
1059                 debug_print("Killing child group id %d\n", child_info->pid);
1060 #ifdef G_OS_UNIX
1061                 if (child_info->pid && kill(child_info->pid, child_info->next_sig) < 0)
1062                         perror("kill");
1063                 child_info->next_sig = SIGKILL;
1064 #else
1065                 TerminateProcess(child_info->pid, 0);
1066 #endif
1067         }
1068 }
1069
1070 static gint wait_for_children(Children *children)
1071 {
1072         gboolean new_output;
1073         ChildInfo *child_info;
1074         GSList *cur;
1075
1076         cur = children->list;
1077         new_output = FALSE;
1078         while (cur) {
1079                 child_info = (ChildInfo *)cur->data;
1080                 new_output |= child_info->new_out;
1081                 cur = cur->next;
1082         }
1083
1084         children->output |= new_output;
1085
1086         if (new_output || (children->dialog && (children->initial_nb != children->nb)))
1087                 update_io_dialog(children);
1088
1089         if (children->nb)
1090                 return FALSE;
1091
1092         if (!children->dialog) {
1093                 free_children(children);
1094         } else if (!children->output) {
1095                 gtk_widget_destroy(children->dialog);
1096         }
1097
1098         return FALSE;
1099 }
1100
1101 static void send_input(GtkWidget *w, gpointer data)
1102 {
1103         Children *children = (Children *) data;
1104         ChildInfo *child_info = (ChildInfo *) children->list->data;
1105
1106         child_info->tag_in = claws_input_add(child_info->chld_in,
1107                                            G_IO_OUT | G_IO_ERR,
1108                                            catch_input, children, FALSE);
1109 }
1110
1111 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1112 {
1113         hide_io_dialog_cb(w, data);
1114         return TRUE;
1115 }
1116
1117 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1118 {
1119
1120         Children *children = (Children *)data;
1121
1122         if (!children->nb) {
1123                 g_signal_handlers_disconnect_matched
1124                         (G_OBJECT(children->dialog), G_SIGNAL_MATCH_DATA,
1125                          0, 0, NULL, NULL, children);
1126                 gtk_widget_destroy(children->dialog);
1127                 free_children(children);
1128         }
1129 }
1130
1131 static gint io_dialog_key_pressed_cb(GtkWidget *widget, GdkEventKey *event,
1132                                      gpointer data)
1133 {
1134         if (event && (event->keyval == GDK_KEY_Escape ||
1135                       event->keyval == GDK_KEY_Return ||
1136                           event->keyval == GDK_KEY_KP_Enter))
1137                 hide_io_dialog_cb(widget, data);
1138         return TRUE;
1139 }
1140
1141 static void childinfo_close_pipes(ChildInfo *child_info)
1142 {
1143         /* stdout and stderr pipes are guaranteed to be removed by
1144          * their handler, but in case where we receive child exit notification
1145          * before grand-child's pipes closing signals, we check them and close
1146          * them if necessary
1147          */
1148         if (child_info->tag_in > 0)
1149                 g_source_remove(child_info->tag_in);
1150         if (child_info->tag_out > 0)
1151                 g_source_remove(child_info->tag_out);
1152         if (child_info->tag_err > 0)
1153                 g_source_remove(child_info->tag_err);
1154
1155         if (child_info->chld_in >= 0)
1156                 (void)close(child_info->chld_in);
1157         if (child_info->chld_out >= 0)
1158                 (void)close(child_info->chld_out);
1159         if (child_info->chld_err >= 0)
1160                 (void)close(child_info->chld_err);
1161 }
1162
1163 static void free_children(Children *children)
1164 {
1165         ChildInfo *child_info;
1166         void (*callback)(void *data) = NULL;
1167         void *data = NULL;
1168
1169         debug_print("Freeing children data %p\n", children);
1170
1171         g_free(children->action);
1172         while (children->list != NULL) {
1173                 child_info = (ChildInfo *)children->list->data;
1174                 g_free(child_info->cmd);
1175                 g_string_free(child_info->output, TRUE);
1176                 children->list = g_slist_remove(children->list, child_info);
1177                 callback = child_info->callback;
1178                 data = child_info->data;
1179                 g_free(child_info);
1180         }
1181
1182         if (callback)
1183                 callback(data);
1184         
1185         g_free(children);
1186 }
1187
1188 static void update_io_dialog(Children *children)
1189 {
1190         GSList *cur;
1191
1192         debug_print("Updating actions input/output dialog.\n");
1193
1194         if (children->progress_bar) {
1195                 gchar *text;
1196 #ifdef GENERIC_UMPC
1197                 /* use a more compact format */
1198                 const gchar *format = "%s %d/%d";
1199 #else
1200                 const gchar *format = "%s %d / %d";
1201 #endif
1202                 
1203                 gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(children->progress_bar),
1204                                                   (children->initial_nb == 0) ? 0 :
1205                                               (gdouble) (children->initial_nb - children->nb) /
1206                                               (gdouble) children->initial_nb);
1207                 text = g_strdup_printf(format, _("Completed"), 
1208                                        children->initial_nb - children->nb,
1209                                        children->initial_nb);
1210                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(children->progress_bar), text);
1211                 g_free(text);
1212         }
1213
1214         if (!children->nb) {
1215                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1216                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1217                 if (children->input_hbox)
1218                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1219                 gtk_widget_grab_focus(children->close_btn);
1220                 g_signal_connect(G_OBJECT(children->dialog),
1221                                  "key_press_event",
1222                                  G_CALLBACK(io_dialog_key_pressed_cb),
1223                                  children);
1224         }
1225
1226         if (children->output) {
1227                 GtkWidget *text = children->text;
1228                 GtkTextBuffer *textbuf;
1229                 GtkTextIter iter, start_iter, end_iter;
1230                 gchar *caption;
1231                 ChildInfo *child_info;
1232
1233                 gtk_widget_show(children->scrolledwin);
1234                 textbuf = gtk_text_view_get_buffer(GTK_TEXT_VIEW(text));
1235                 gtk_text_buffer_get_bounds(textbuf, &start_iter, &end_iter);
1236                 gtk_text_buffer_delete(textbuf, &start_iter, &end_iter);
1237                 gtk_text_buffer_get_start_iter(textbuf, &iter);
1238
1239                 for (cur = children->list; cur; cur = cur->next) {
1240                         child_info = (ChildInfo *)cur->data;
1241                         if (child_info->pid)
1242                                 caption = g_strdup_printf
1243                                         (_("--- Running: %s\n"),
1244                                          child_info->cmd);
1245                         else
1246                                 caption = g_strdup_printf
1247                                         (_("--- Ended: %s\n"),
1248                                          child_info->cmd);
1249
1250                         gtk_text_buffer_insert(textbuf, &iter, caption, -1);
1251                         gtk_text_buffer_insert(textbuf, &iter,
1252                                                child_info->output->str, -1);
1253                         g_free(caption);
1254                         child_info->new_out = FALSE;
1255                 }
1256         }
1257 }
1258
1259 /*!
1260  *\brief        Save Gtk object size to prefs dataset
1261  */
1262 static void actions_io_size_allocate_cb(GtkWidget *widget,
1263                                          GtkAllocation *allocation)
1264 {
1265         cm_return_if_fail(allocation != NULL);
1266
1267         prefs_common.actionsiodialog_width = allocation->width;
1268         prefs_common.actionsiodialog_height = allocation->height;
1269 }
1270
1271 static void create_io_dialog(Children *children)
1272 {
1273         GtkWidget *dialog;
1274         GtkWidget *vbox;
1275         GtkWidget *entry = NULL;
1276         GtkWidget *input_hbox = NULL;
1277         GtkWidget *send_button;
1278         GtkWidget *label;
1279         GtkWidget *text;
1280         GtkWidget *scrolledwin;
1281         GtkWidget *hbox;
1282         GtkWidget *progress_bar = NULL;
1283         GtkWidget *abort_button;
1284         GtkWidget *close_button;
1285         static GdkGeometry geometry;
1286
1287         debug_print("Creating action IO dialog\n");
1288
1289         dialog = gtk_dialog_new();
1290         gtk_container_set_border_width
1291                 (GTK_CONTAINER(gtk_dialog_get_action_area(GTK_DIALOG(dialog))), 5);
1292         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1293         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1294         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1295         manage_window_set_transient(GTK_WINDOW(dialog));
1296         g_signal_connect(G_OBJECT(dialog), "delete_event",
1297                          G_CALLBACK(delete_io_dialog_cb), children);
1298         g_signal_connect(G_OBJECT(dialog), "destroy",
1299                          G_CALLBACK(hide_io_dialog_cb),
1300                          children);
1301         g_signal_connect(G_OBJECT(dialog), "size_allocate",
1302                          G_CALLBACK(actions_io_size_allocate_cb), NULL);
1303
1304         vbox = gtk_vbox_new(FALSE, 8);
1305         gtk_container_add(GTK_CONTAINER(
1306                                 gtk_dialog_get_content_area(GTK_DIALOG(dialog))), vbox);
1307         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1308         gtk_widget_show(vbox);
1309
1310         label = gtk_label_new(children->action);
1311         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1312         gtk_widget_show(label);
1313
1314         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1315         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1316                                        GTK_POLICY_AUTOMATIC,
1317                                        GTK_POLICY_AUTOMATIC);
1318         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(scrolledwin),
1319                                             GTK_SHADOW_IN);
1320         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1321         gtk_widget_hide(scrolledwin);
1322
1323         text = gtk_text_view_new();
1324
1325         if (prefs_common.textfont) {
1326                 PangoFontDescription *font_desc;
1327                 font_desc = pango_font_description_from_string
1328                         (prefs_common.textfont);
1329                 if (font_desc) {
1330                         gtk_widget_modify_font(text, font_desc);
1331                         pango_font_description_free(font_desc);
1332                 }
1333         }
1334
1335         gtk_text_view_set_editable(GTK_TEXT_VIEW(text), FALSE);
1336         gtk_text_view_set_wrap_mode(GTK_TEXT_VIEW(text), GTK_WRAP_WORD);
1337         gtk_text_view_set_left_margin(GTK_TEXT_VIEW(text), 6);
1338         gtk_text_view_set_right_margin(GTK_TEXT_VIEW(text), 6);
1339         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1340         gtk_widget_show(text);
1341
1342         if (children->open_in) {
1343                 input_hbox = gtk_hbox_new(FALSE, 8);
1344                 gtk_widget_show(input_hbox);
1345
1346                 entry = gtk_entry_new();
1347                 gtk_widget_set_size_request(entry, 320, -1);
1348                 g_signal_connect(G_OBJECT(entry), "activate",
1349                                  G_CALLBACK(send_input), children);
1350                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1351                 if (children->action_type & ACTION_USER_HIDDEN_IN) {
1352                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1353                 }
1354                 gtk_widget_show(entry);
1355
1356                 send_button = gtk_button_new_from_stock(GTK_STOCK_EXECUTE);
1357                 g_signal_connect(G_OBJECT(send_button), "clicked",
1358                                  G_CALLBACK(send_input), children);
1359                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1360                                    FALSE, 0);
1361                 gtk_widget_show(send_button);
1362
1363                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1364                 gtk_widget_grab_focus(entry);
1365         }
1366
1367         if (children->initial_nb > 1) {
1368                 gchar *text;
1369 #ifdef GENERIC_UMPC
1370                 /* use a more compact format */
1371                 const gchar *format = "%s 0/%d\n";
1372 #else
1373                 const gchar *format = "%s 0 / %d\n";
1374 #endif
1375                 
1376                 progress_bar = gtk_progress_bar_new();
1377                 gtk_progress_bar_set_orientation(GTK_PROGRESS_BAR(progress_bar),
1378                                 GTK_PROGRESS_LEFT_TO_RIGHT);
1379                 text = g_strdup_printf(format, _("Completed"), 
1380                                        children->initial_nb);
1381                 gtk_progress_bar_set_text(GTK_PROGRESS_BAR(progress_bar),
1382                                           text);
1383                 g_free(text);
1384                 gtk_box_pack_start(GTK_BOX(vbox), progress_bar, FALSE, FALSE, 0);
1385                 gtk_widget_show(progress_bar);
1386         }
1387
1388         gtkut_stock_button_set_create(&hbox, &abort_button, GTK_STOCK_STOP,
1389                                       &close_button, GTK_STOCK_CLOSE, NULL, NULL);
1390         g_signal_connect(G_OBJECT(abort_button), "clicked",
1391                          G_CALLBACK(kill_children_cb), children);
1392         g_signal_connect(G_OBJECT(close_button), "clicked",
1393                          G_CALLBACK(hide_io_dialog_cb), children);
1394         gtk_widget_show(hbox);
1395
1396         if (children->nb)
1397                 gtk_widget_set_sensitive(close_button, FALSE);
1398
1399         gtk_container_add(GTK_CONTAINER(
1400                         gtk_dialog_get_action_area(GTK_DIALOG(dialog))), hbox);
1401
1402         if (!geometry.min_height) {
1403                 geometry.min_width = 582;
1404                 geometry.min_height = 310;
1405         }
1406
1407         gtk_window_set_geometry_hints(GTK_WINDOW(dialog), NULL, &geometry,
1408                                       GDK_HINT_MIN_SIZE);
1409         gtk_widget_set_size_request(dialog, prefs_common.actionsiodialog_width,
1410                                     prefs_common.actionsiodialog_height);
1411
1412         gtk_widget_show(dialog);
1413
1414         children->dialog       = dialog;
1415         children->scrolledwin  = scrolledwin;
1416         children->text         = text;
1417         children->input_hbox   = children->open_in ? input_hbox : NULL;
1418         children->input_entry  = children->open_in ? entry : NULL;
1419         children->progress_bar = progress_bar;
1420         children->abort_btn    = abort_button;
1421         children->close_btn    = close_button;
1422 }
1423
1424 static void catch_status(GPid pid, gint status, gpointer data)
1425 {
1426         ChildInfo *child_info = (ChildInfo *)data;
1427
1428         debug_print("Child returned %d\n", status);
1429
1430         childinfo_close_pipes(child_info);
1431         g_spawn_close_pid(child_info->pid);
1432         child_info->pid = 0;
1433
1434         if (child_info->children->action_type & (ACTION_SINGLE | ACTION_MULTIPLE)
1435             && child_info->msginfo_list) {
1436                 /* Actions on message *files* might change size and
1437                 * time stamp, and thus invalidate the cache */
1438                 SummaryView *summaryview  = NULL;
1439                 GSList      *cur;
1440                 MsgInfo     *msginfo, *nmi;     /* newmsginfo */
1441                 char        *file;
1442                 gboolean     modified_something = FALSE;
1443                 FolderItem  *last_item = NULL;
1444                 if (mainwindow_get_mainwindow ())
1445                         summaryview = mainwindow_get_mainwindow ()->summaryview;
1446                 for (cur = child_info->msginfo_list; cur; cur = cur->next) {
1447                         msginfo = (MsgInfo *)cur->data;
1448                         if (!(msginfo && /* Stuff used valid? */
1449                             msginfo->folder && msginfo->folder->cache)) 
1450                                 continue;
1451                         file = procmsg_get_message_file_path (msginfo);
1452                         if (!file) 
1453                                 continue;
1454                         nmi = procheader_parse_file (file, msginfo->flags, TRUE, FALSE);
1455                         if (!nmi) 
1456                                 continue; /* Deleted? */
1457                         if (msginfo->mtime != nmi->mtime || msginfo->size != nmi->size) {
1458                                 nmi->folder = msginfo->folder;
1459                                 nmi->msgnum = msginfo->msgnum;
1460                                 msgcache_update_msg (msginfo->folder->cache, nmi);
1461                                 modified_something = TRUE;
1462                                 last_item = nmi->folder;
1463                         }
1464                         procmsg_msginfo_free (&nmi);
1465                         if (summaryview && summaryview->displayed &&
1466                             summaryview->folder_item == msginfo->folder &&
1467                             summary_get_msgnum(summaryview, summaryview->displayed) == msginfo->msgnum)
1468                                 summary_redisplay_msg(summaryview);
1469                                         
1470                 }
1471                 if (modified_something && last_item && 
1472                     summaryview && summaryview->folder_item == last_item) {
1473                         summary_show (summaryview, summaryview->folder_item);
1474                 }
1475                 g_slist_free (child_info->msginfo_list);
1476                 child_info->msginfo_list = NULL;
1477         }
1478
1479         if (!child_info->pid)
1480                 child_info->children->nb--;
1481
1482         wait_for_children(child_info->children);
1483 }
1484         
1485 static void catch_input(gpointer data, gint source, GIOCondition cond)
1486 {
1487         Children *children = (Children *)data;
1488         ChildInfo *child_info = (ChildInfo *)children->list->data;
1489         gchar *input, *ret_str;
1490         gint c, count, len, r;
1491         gssize by_read = 0, by_written = 0;
1492
1493         debug_print("Sending input to grand child.\n");
1494         if (!(cond & (G_IO_OUT | G_IO_ERR)))
1495                 return;
1496
1497         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1498         gtk_widget_grab_focus(children->abort_btn);
1499
1500         g_source_remove(child_info->tag_in);
1501         child_info->tag_in = -1;
1502
1503         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1504                                        0, -1);
1505         ret_str = g_locale_from_utf8(input, strlen(input), &by_read,
1506                                      &by_written, NULL);
1507         if (ret_str && by_written) {
1508                 g_free(input);
1509                 input = ret_str;
1510         }
1511
1512         len = strlen(input);
1513         count = 0;
1514
1515         do {
1516                 c = write(child_info->chld_in, input + count, len - count);
1517                 if (c >= 0)
1518                         count += c;
1519         } while (c >= 0 && count < len);
1520
1521         if (c >= 0)
1522                 r = write(child_info->chld_in, "\n", 2);
1523
1524         g_free(input);
1525
1526         r = close(child_info->chld_in);
1527         child_info->chld_in = -1;
1528         if (r != 0)
1529                 debug_print("closing child input fd: %s (%d)\n", g_strerror(errno), errno);
1530         child_info->chld_in = -1;
1531         debug_print("Input to grand child sent.\n");
1532 }
1533
1534 static void catch_output(gpointer data, gint source, GIOCondition cond)
1535 {
1536         ChildInfo *child_info = (ChildInfo *)data;
1537         gint c;
1538         gchar buf[BUFFSIZE];
1539
1540         debug_print("Catching grand child's output.\n");
1541         if (child_info->children->action_type &
1542             (ACTION_PIPE_OUT | ACTION_INSERT)
1543             && source == child_info->chld_out) {
1544                 GtkTextView *text =
1545                         GTK_TEXT_VIEW(child_info->children->msg_text);
1546                 GtkTextBuffer *textbuf = gtk_text_view_get_buffer(text);
1547                 GtkTextIter iter;
1548                 GtkTextMark *mark;
1549                 gint ins_pos;
1550
1551                 mark = gtk_text_buffer_get_insert(textbuf);
1552                 gtk_text_buffer_get_iter_at_mark(textbuf, &iter, mark);
1553                 ins_pos = gtk_text_iter_get_offset(&iter);
1554
1555                 while (TRUE) {
1556                         gsize bytes_read = 0, bytes_written = 0;
1557                         gchar *ret_str;
1558
1559                         c = read(source, buf, sizeof(buf) - 1);
1560                         if (c == 0)
1561                                 break;
1562
1563                         ret_str = g_locale_to_utf8
1564                                 (buf, c - 1, &bytes_read, &bytes_written, NULL);
1565                         if (ret_str && bytes_written > 0) {
1566                                 gtk_text_buffer_insert
1567                                         (textbuf, &iter, ret_str,
1568                                          -1);
1569                                 g_free(ret_str);
1570                         } else
1571                                 gtk_text_buffer_insert(textbuf, &iter, buf, c - 1);
1572                 }
1573
1574                 if (child_info->children->is_selection) {
1575                         GtkTextIter ins;
1576
1577                         gtk_text_buffer_get_iter_at_offset
1578                                 (textbuf, &ins, ins_pos);
1579                         gtk_text_buffer_select_range(textbuf, &ins, &iter);
1580                 }
1581         } else {
1582                 c = read(source, buf, sizeof(buf) - 1);
1583                 if (c > 0) {
1584                         gsize bytes_read = 0, bytes_written = 0;
1585                         gchar *ret_str;
1586
1587                         ret_str = g_locale_to_utf8
1588                                 (buf, c, &bytes_read, &bytes_written, NULL);
1589                         if (ret_str && bytes_written > 0) {
1590                                 g_string_append_len
1591                                         (child_info->output, ret_str,
1592                                          bytes_written);
1593                                 g_free(ret_str);
1594                         } else
1595                                 g_string_append_len(child_info->output, buf, c);
1596
1597                         child_info->new_out = TRUE;
1598                 }
1599         }
1600         if (c == 0) {
1601                 if (source == child_info->chld_out) {
1602                         g_source_remove(child_info->tag_out);
1603                         child_info->tag_out = -1;
1604                         (void)close(child_info->chld_out);
1605                         child_info->chld_out = -1;
1606                 } else {
1607                         g_source_remove(child_info->tag_err);
1608                         child_info->tag_err = -1;
1609                         (void)close(child_info->chld_err);
1610                         child_info->chld_err = -1;
1611                 }
1612         }
1613         
1614         wait_for_children(child_info->children);
1615 }
1616
1617 static gchar *get_user_string(const gchar *action, ActionType type)
1618 {
1619         gchar *message;
1620         gchar *user_str = NULL;
1621
1622         switch (type) {
1623         case ACTION_USER_HIDDEN_STR:
1624                 message = g_strdup_printf
1625                         (_("Enter the argument for the following action:\n"
1626                            "('%%h' will be replaced with the argument)\n"
1627                            "  %s"),
1628                          action);
1629                 user_str = input_dialog_with_invisible
1630                         (_("Action's hidden user argument"), message, NULL);
1631                 break;
1632         case ACTION_USER_STR:
1633                 message = g_strdup_printf
1634                         (_("Enter the argument for the following action:\n"
1635                            "('%%u' will be replaced with the argument)\n"
1636                            "  %s"),
1637                          action);
1638                 user_str = input_dialog
1639                         (_("Action's user argument"), message, NULL);
1640                 break;
1641         default:
1642                 g_warning("Unsupported action type %d", type);
1643         }
1644
1645         return user_str;
1646 }