src/prefs_actions.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2002 Hiroyuki Yamamoto
   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 2 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, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <gtk/gtk.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gdk/gdkx.h>
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <errno.h>
  34 #include <sys/types.h>
  35 #include <sys/wait.h>
  36 #include <signal.h>
  37 #include <unistd.h>
  38
  39 #include "intl.h"
  40 #include "prefs.h"
  41 #include "inc.h"
  42 #include "utils.h"
  43 #include "gtkutils.h"
  44 #include "manage_window.h"
  45 #include "mainwindow.h"
  46 #include "prefs_common.h"
  47 #include "alertpanel.h"
  48 #include "prefs_actions.h"
  49 #include "compose.h"
  50 #include "procmsg.h"
  51 #include "gtkstext.h"
  52 #include "mimeview.h"
  53
  54 #define WAIT_LAP 10000
  55
  56 typedef enum
  57 {
  58         ACTION_NONE     = 1 << 0,
  59         ACTION_PIPE_IN  = 1 << 1,
  60         ACTION_PIPE_OUT = 1 << 2,
  61         ACTION_SINGLE   = 1 << 3,
  62         ACTION_MULTIPLE = 1 << 4,
  63         ACTION_ASYNC    = 1 << 5,
  64         ACTION_OPEN_IN  = 1 << 6,
  65         ACTION_HIDE_IN  = 1 << 7,
  66         ACTION_ERROR    = 1 << 8,
  67 } ActionType;
  68
  69 static struct Actions
  70 {
  71         GtkWidget *window;
  72
  73         GtkWidget *ok_btn;
  74
  75         GtkWidget *name_entry;
  76         GtkWidget *cmd_entry;
  77
  78         GtkWidget *actions_clist;
  79 } actions;
  80
  81 typedef struct _Children Children;
  82 typedef struct _ChildInfo ChildInfo;
  83
  84 struct _Children
  85 {
  86         GtkWidget       *window;
  87         GtkWidget       *dialog;
  88         GtkWidget       *text;
  89         GtkWidget       *input_entry;
  90         GtkWidget       *input_hbox;
  91         GtkWidget       *abort_btn;
  92         GtkWidget       *hide_btn;
  93         GtkWidget       *scrolledwin;
  94
  95         gchar           *action;
  96         guint            timer;
  97         GSList          *list;
  98         gint             nb;
  99         gint             open_in;
 100         gboolean         output;
 101 };
 102
 103 struct _ChildInfo
 104 {
 105         Children        *children;
 106         gchar           *cmd;
 107         guint            type;
 108         pid_t            pid;
 109         gint             chld_in;
 110         gint             chld_out;
 111         gint             chld_err;
 112         gint             chld_status;
 113         gint             tag_in;
 114         gint             tag_out;
 115         gint             tag_err;
 116         gint             tag_status;
 117         gint             new_out;
 118         GString         *output;
 119         GtkWidget       *text;
 120 };
 121
 122 /* widget creating functions */
 123 static void prefs_actions_create        (MainWindow *mainwin);
 124 static void prefs_actions_set_dialog    (void);
 125 static gint prefs_actions_clist_set_row (gint row);
 126
 127 /* callback functions */
 128 static void prefs_actions_help_cb       (GtkWidget      *w,
 129                                          gpointer        data);
 130 static void prefs_actions_register_cb   (GtkWidget      *w,
 131                                          gpointer        data);
 132 static void prefs_actions_substitute_cb (GtkWidget      *w,
 133                                          gpointer        data);
 134 static void prefs_actions_delete_cb     (GtkWidget      *w,
 135                                          gpointer        data);
 136 static void prefs_actions_up            (GtkWidget      *w,
 137                                          gpointer        data);
 138 static void prefs_actions_down          (GtkWidget      *w,
 139                                          gpointer        data);
 140 static void prefs_actions_select        (GtkCList       *clist,
 141                                          gint            row,
 142                                          gint            column,
 143                                          GdkEvent       *event);
 144 static void prefs_actions_row_move      (GtkCList       *clist,
 145                                          gint            source_row,
 146                                          gint            dest_row);
 147 static gint prefs_actions_deleted       (GtkWidget      *widget,
 148                                          GdkEventAny    *event,
 149                                          gpointer       *data);
 150 static void prefs_actions_key_pressed   (GtkWidget      *widget,
 151                                          GdkEventKey    *event,
 152                                          gpointer        data);
 153 static void prefs_actions_cancel        (GtkWidget      *w,
 154                                          gpointer        data);
 155 static void prefs_actions_ok            (GtkWidget      *w,
 156                                          gpointer        data);
 157 static void update_actions_menu         (GtkItemFactory *ifactory,
 158                                          gchar          *branch_path,
 159                                          gpointer        callback,
 160                                          gpointer        data);
 161 static void mainwin_actions_execute_cb  (MainWindow     *mainwin,
 162                                          guint           action_nb,
 163                                          GtkWidget      *widget);
 164 static void compose_actions_execute_cb  (Compose        *compose,
 165                                          guint           action_nb,
 166                                          GtkWidget      *widget);
 167 static guint get_action_type            (gchar          *action);
 168
 169 static gboolean execute_actions         (gchar          *action,
 170                                          GtkWidget      *window,
 171                                          GtkCTree       *ctree,
 172                                          GtkWidget      *text,
 173                                          MimeView       *mimeview);
 174
 175 static gchar *parse_action_cmd          (gchar          *action,
 176                                          MsgInfo        *msginfo,
 177                                          GtkCTree       *ctree,
 178                                          MimeView       *mimeview);
 179 static GString *parse_append_filename   (GString        *cmd,
 180                                          MsgInfo        *msginfo);
 181
 182 static GString *parse_append_msgpart    (GString        *cmd,
 183                                          MsgInfo        *msginfo,
 184                                          MimeView       *mimeview);
 185
 186 ChildInfo *fork_child                   (gchar          *cmd,
 187                                          gint            action_type,
 188                                          GtkWidget      *text,
 189                                          Children       *children);
 190
 191 static gint wait_for_children           (gpointer        data);
 192
 193 static void free_children               (Children       *children);
 194
 195 static void childinfo_close_pipes       (ChildInfo      *child_info);
 196
 197 static void create_io_dialog            (Children       *children);
 198
 199 static void update_io_dialog            (Children       *children);
 200
 201 static void hide_io_dialog_cb           (GtkWidget      *widget,
 202                                          gpointer        data);
 203
 204 static void catch_output                (gpointer                data,
 205                                          gint                    source,
 206                                          GdkInputCondition       cond);
 207 static void catch_input                 (gpointer                data,
 208                                          gint                    source,
 209                                          GdkInputCondition       cond);
 210 static void catch_status                (gpointer                data,
 211                                          gint                    source,
 212                                          GdkInputCondition       cond);
 213
 214 void prefs_actions_open(MainWindow *mainwin)
 215 {
 216 #if 0
 217         if (prefs_rc_is_readonly(ACTIONS_RC))
 218                 return;
 219 #endif
 220         inc_lock();
 221
 222         if (!actions.window)
 223                 prefs_actions_create(mainwin);
 224
 225         manage_window_set_transient(GTK_WINDOW(actions.window));
 226         gtk_widget_grab_focus(actions.ok_btn);
 227
 228         prefs_actions_set_dialog();
 229
 230         gtk_widget_show(actions.window);
 231 }
 232
 233 static void prefs_actions_create(MainWindow *mainwin)
 234 {
 235         GtkWidget *window;
 236         GtkWidget *vbox;
 237         GtkWidget *ok_btn;
 238         GtkWidget *cancel_btn;
 239         GtkWidget *confirm_area;
 240
 241         GtkWidget *vbox1;
 242
 243         GtkWidget *entry_vbox;
 244         GtkWidget *hbox;
 245         GtkWidget *name_label;
 246         GtkWidget *name_entry;
 247         GtkWidget *cmd_label;
 248         GtkWidget *cmd_entry;
 249
 250         GtkWidget *reg_hbox;
 251         GtkWidget *btn_hbox;
 252         GtkWidget *arrow;
 253         GtkWidget *reg_btn;
 254         GtkWidget *subst_btn;
 255         GtkWidget *del_btn;
 256
 257         GtkWidget *cond_hbox;
 258         GtkWidget *cond_scrolledwin;
 259         GtkWidget *cond_clist;
 260
 261         GtkWidget *help_vbox;
 262         GtkWidget *help_label;
 263         GtkWidget *help_toggle;
 264
 265         GtkWidget *btn_vbox;
 266         GtkWidget *up_btn;
 267         GtkWidget *down_btn;
 268
 269         gchar *title[1];
 270
 271         debug_print(_("Creating actions setting window...\n"));
 272
 273         window = gtk_window_new (GTK_WINDOW_DIALOG);
 274
 275         gtk_container_set_border_width(GTK_CONTAINER (window), 8);
 276         gtk_window_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 277         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 278         gtk_window_set_policy(GTK_WINDOW(window), FALSE, TRUE, TRUE);
 279         gtk_window_set_default_size(GTK_WINDOW(window), 400, -1);
 280
 281         vbox = gtk_vbox_new(FALSE, 6);
 282         gtk_widget_show(vbox);
 283         gtk_container_add(GTK_CONTAINER(window), vbox);
 284
 285         gtkut_button_set_create(&confirm_area, &ok_btn, _("OK"),
 286                                 &cancel_btn, _("Cancel"), NULL, NULL);
 287         gtk_widget_show(confirm_area);
 288         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 289         gtk_widget_grab_default(ok_btn);
 290
 291         gtk_window_set_title(GTK_WINDOW(window), _("Actions setting"));
 292         gtk_signal_connect(GTK_OBJECT(window), "delete_event",
 293                            GTK_SIGNAL_FUNC(prefs_actions_deleted), NULL);
 294         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 295                            GTK_SIGNAL_FUNC(prefs_actions_key_pressed), NULL);
 296         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 297         gtk_signal_connect(GTK_OBJECT(ok_btn), "clicked",
 298                            GTK_SIGNAL_FUNC(prefs_actions_ok), mainwin);
 299         gtk_signal_connect(GTK_OBJECT(cancel_btn), "clicked",
 300                            GTK_SIGNAL_FUNC(prefs_actions_cancel), NULL);
 301
 302         vbox1 = gtk_vbox_new(FALSE, 8);
 303         gtk_widget_show(vbox1);
 304         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 305         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 306
 307         entry_vbox = gtk_vbox_new(FALSE, 4);
 308         gtk_box_pack_start(GTK_BOX(vbox1), entry_vbox, FALSE, FALSE, 0);
 309
 310         hbox = gtk_hbox_new(FALSE, 8);
 311         gtk_box_pack_start(GTK_BOX(entry_vbox), hbox, FALSE, FALSE, 0);
 312
 313         name_label = gtk_label_new(_("Menu name:"));
 314         gtk_box_pack_start(GTK_BOX(hbox), name_label, FALSE, FALSE, 0);
 315
 316         name_entry = gtk_entry_new();
 317         gtk_box_pack_start(GTK_BOX(hbox), name_entry, TRUE, TRUE, 0);
 318
 319         hbox = gtk_hbox_new(FALSE, 8);
 320         gtk_box_pack_start(GTK_BOX(entry_vbox), hbox, TRUE, TRUE, 0);
 321
 322         cmd_label = gtk_label_new(_("Command line:"));
 323         gtk_box_pack_start(GTK_BOX(hbox), cmd_label, FALSE, FALSE, 0);
 324
 325         cmd_entry = gtk_entry_new();
 326         gtk_box_pack_start(GTK_BOX(hbox), cmd_entry, TRUE, TRUE, 0);
 327
 328         gtk_widget_show_all(entry_vbox);
 329
 330         help_vbox = gtk_vbox_new(FALSE, 8);
 331         gtk_box_pack_start(GTK_BOX(vbox1), help_vbox, FALSE, FALSE, 0);
 332
 333         help_label = gtk_label_new
 334                 (_("Menu name:\n"
 335                    " Use / in menu name to make submenus.\n"
 336                    "Command line:\n"
 337                    " Begin with:\n"
 338                    "   | to send message body or selection to command\n"
 339                    "   > to send user provided text to command\n"
 340                    "   * to send user provided hidden text to command\n"
 341                    " End with:\n"
 342                    "   | to replace message body or selection with command output\n"
 343                    "   & to run command asynchronously\n"
 344                    " Use %f for message file name\n"
 345                    "   %F for the list of the file names of selected messages\n"
 346                    "   %p for the selected message part."));
 347         gtk_misc_set_alignment(GTK_MISC(help_label), 0, 0.5);
 348         gtk_label_set_justify(GTK_LABEL(help_label), GTK_JUSTIFY_LEFT);
 349         gtk_widget_show(help_label);
 350         gtk_box_pack_start(GTK_BOX(help_vbox), help_label, FALSE, FALSE, 0);
 351         gtk_widget_hide(help_vbox);
 352
 353         /* register / substitute / delete */
 354
 355         reg_hbox = gtk_hbox_new(FALSE, 4);
 356         gtk_widget_show(reg_hbox);
 357         gtk_box_pack_start(GTK_BOX(vbox1), reg_hbox, FALSE, FALSE, 0);
 358
 359         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 360         gtk_widget_show(arrow);
 361         gtk_box_pack_start(GTK_BOX(reg_hbox), arrow, FALSE, FALSE, 0);
 362         gtk_widget_set_usize(arrow, -1, 16);
 363
 364         btn_hbox = gtk_hbox_new(TRUE, 4);
 365         gtk_widget_show(btn_hbox);
 366         gtk_box_pack_start(GTK_BOX(reg_hbox), btn_hbox, FALSE, FALSE, 0);
 367
 368         reg_btn = gtk_button_new_with_label(_("Register"));
 369         gtk_widget_show(reg_btn);
 370         gtk_box_pack_start(GTK_BOX(btn_hbox), reg_btn, FALSE, TRUE, 0);
 371         gtk_signal_connect(GTK_OBJECT(reg_btn), "clicked",
 372                            GTK_SIGNAL_FUNC(prefs_actions_register_cb), NULL);
 373
 374         subst_btn = gtk_button_new_with_label(_(" Substitute "));
 375         gtk_widget_show(subst_btn);
 376         gtk_box_pack_start(GTK_BOX(btn_hbox), subst_btn, FALSE, TRUE, 0);
 377         gtk_signal_connect(GTK_OBJECT(subst_btn), "clicked",
 378                            GTK_SIGNAL_FUNC(prefs_actions_substitute_cb),
 379                            NULL);
 380
 381         del_btn = gtk_button_new_with_label(_("Delete"));
 382         gtk_widget_show(del_btn);
 383         gtk_box_pack_start(GTK_BOX(btn_hbox), del_btn, FALSE, TRUE, 0);
 384         gtk_signal_connect(GTK_OBJECT(del_btn), "clicked",
 385                            GTK_SIGNAL_FUNC(prefs_actions_delete_cb), NULL);
 386
 387         help_toggle = gtk_toggle_button_new_with_label(_(" Syntax help "));
 388         gtk_widget_show(help_toggle);
 389         gtk_box_pack_end(GTK_BOX(reg_hbox), help_toggle, FALSE, FALSE, 0);
 390         gtk_signal_connect(GTK_OBJECT(help_toggle), "toggled",
 391                            GTK_SIGNAL_FUNC(prefs_actions_help_cb), help_vbox);
 392
 393         cond_hbox = gtk_hbox_new(FALSE, 8);
 394         gtk_widget_show(cond_hbox);
 395         gtk_box_pack_start(GTK_BOX(vbox1), cond_hbox, TRUE, TRUE, 0);
 396
 397         cond_scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 398         gtk_widget_show(cond_scrolledwin);
 399         gtk_widget_set_usize(cond_scrolledwin, -1, 150);
 400         gtk_box_pack_start(GTK_BOX(cond_hbox), cond_scrolledwin,
 401                            TRUE, TRUE, 0);
 402         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (cond_scrolledwin),
 403                                        GTK_POLICY_AUTOMATIC,
 404                                        GTK_POLICY_AUTOMATIC);
 405
 406         title[0] = _("Registered actions");
 407         cond_clist = gtk_clist_new_with_titles(1, title);
 408         gtk_widget_show(cond_clist);
 409         gtk_container_add(GTK_CONTAINER (cond_scrolledwin), cond_clist);
 410         gtk_clist_set_column_width(GTK_CLIST (cond_clist), 0, 80);
 411         gtk_clist_set_selection_mode(GTK_CLIST (cond_clist),
 412                                      GTK_SELECTION_BROWSE);
 413         GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(cond_clist)->column[0].button,
 414                                GTK_CAN_FOCUS);
 415         gtk_signal_connect(GTK_OBJECT(cond_clist), "select_row",
 416                            GTK_SIGNAL_FUNC(prefs_actions_select), NULL);
 417         gtk_signal_connect_after(GTK_OBJECT(cond_clist), "row_move",
 418                                  GTK_SIGNAL_FUNC(prefs_actions_row_move),
 419                                  NULL);
 420
 421         btn_vbox = gtk_vbox_new(FALSE, 8);
 422         gtk_widget_show(btn_vbox);
 423         gtk_box_pack_start(GTK_BOX(cond_hbox), btn_vbox, FALSE, FALSE, 0);
 424
 425         up_btn = gtk_button_new_with_label(_("Up"));
 426         gtk_widget_show(up_btn);
 427         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, FALSE, 0);
 428         gtk_signal_connect(GTK_OBJECT(up_btn), "clicked",
 429                            GTK_SIGNAL_FUNC(prefs_actions_up), NULL);
 430
 431         down_btn = gtk_button_new_with_label(_("Down"));
 432         gtk_widget_show(down_btn);
 433         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, FALSE, 0);
 434         gtk_signal_connect(GTK_OBJECT(down_btn), "clicked",
 435                            GTK_SIGNAL_FUNC(prefs_actions_down), NULL);
 436
 437         gtk_widget_show(window);
 438
 439         actions.window = window;
 440         actions.ok_btn = ok_btn;
 441
 442         actions.name_entry = name_entry;
 443         actions.cmd_entry  = cmd_entry;
 444
 445         actions.actions_clist = cond_clist;
 446 }
 447
 448 static void prefs_actions_help_cb(GtkWidget *w, gpointer data)
 449 {
 450         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w)))
 451                 gtk_widget_show(GTK_WIDGET(data));
 452         else
 453                 gtk_widget_hide(GTK_WIDGET(data));
 454 }
 455
 456 void prefs_actions_read_config(void)
 457 {
 458         gchar *rcpath;
 459         FILE *fp;
 460         gchar buf[PREFSBUFSIZE];
 461         gchar *act;
 462
 463         debug_print(_("Reading actions configurations...\n"));
 464
 465         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACTIONS_RC, NULL);
 466         if ((fp = fopen(rcpath, "rb")) == NULL) {
 467                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 468                 g_free(rcpath);
 469                 return;
 470         }
 471         g_free(rcpath);
 472
 473         while (prefs_common.actions_list != NULL) {
 474                 act = (gchar *)prefs_common.actions_list->data;
 475                 prefs_common.actions_list =
 476                         g_slist_remove(prefs_common.actions_list, act);
 477                 g_free(act);
 478         }
 479
 480         while (fgets(buf, sizeof(buf), fp) != NULL) {
 481                 g_strchomp(buf);
 482                 act = strstr(buf, ": ");
 483                 if (act && act[2] &&
 484                     get_action_type(&act[2]) != ACTION_ERROR)
 485                         prefs_common.actions_list =
 486                                 g_slist_append(prefs_common.actions_list,
 487                                                g_strdup(buf));
 488         }
 489         fclose(fp);
 490 }
 491
 492 void prefs_actions_write_config(void)
 493 {
 494         gchar *rcpath;
 495         PrefFile *pfile;
 496         GSList *cur;
 497
 498         debug_print(_("Writing actions configuration...\n"));
 499
 500         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACTIONS_RC, NULL);
 501         if ((pfile= prefs_write_open(rcpath)) == NULL) {
 502                 g_warning(_("failed to write configuration to file\n"));
 503                 g_free(rcpath);
 504                 return;
 505         }
 506
 507         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 508                 gchar *act = (gchar *)cur->data;
 509                 if (fputs(act, pfile->fp) == EOF ||
 510                     fputc('\n', pfile->fp) == EOF) {
 511                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 512                         prefs_write_close_revert(pfile);
 513                         g_free(rcpath);
 514                         return;
 515                 }
 516         }
 517
 518         g_free(rcpath);
 519
 520         if (prefs_write_close(pfile) < 0) {
 521                 g_warning(_("failed to write configuration to file\n"));
 522                 return;
 523         }
 524 }
 525
 526 static guint get_action_type(gchar *action)
 527 {
 528         gchar *p;
 529         guint action_type = ACTION_NONE;
 530
 531         g_return_val_if_fail(action,  ACTION_ERROR);
 532         g_return_val_if_fail(*action, ACTION_ERROR);
 533
 534         p = action;
 535
 536         if (p[0] == '|') {
 537                 action_type |= ACTION_PIPE_IN;
 538                 p++;
 539         } else if (p[0] == '>') {
 540                 action_type |= ACTION_OPEN_IN;
 541                 p++;
 542         } else if (p[0] == '*') {
 543                 action_type |= ACTION_HIDE_IN;
 544                 p++;
 545         }
 546
 547         if (p[0] == 0x00)
 548                 return ACTION_ERROR;
 549
 550         while (*p && action_type != ACTION_ERROR) {
 551                 if (p[0] == '%') {
 552                         switch (p[1]) {
 553                         case 'f':
 554                                 action_type |= ACTION_SINGLE;
 555                                 break;
 556                         case 'F':
 557                                 action_type |= ACTION_MULTIPLE;
 558                                 break;
 559                         case 'p':
 560                                 action_type |= ACTION_SINGLE;
 561                                 break;
 562                         default:
 563                                 action_type = ACTION_ERROR;
 564                                 break;
 565                         }
 566                 } else if (p[0] == '|') {
 567                         if (p[1] == 0x00)
 568                                 action_type |= ACTION_PIPE_OUT;
 569                 } else if (p[0] == '&') {
 570                         if (p[1] == 0x00)
 571                                 action_type |= ACTION_ASYNC;
 572                         else
 573                                 action_type = ACTION_ERROR;
 574                 }
 575                 p++;
 576         }
 577
 578         return action_type;
 579 }
 580
 581 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
 582                                GtkCTree *ctree, MimeView *mimeview)
 583 {
 584         GString *cmd, *tmpcmd;
 585         gchar *p;
 586         GList *cur;
 587         MsgInfo *msg;
 588
 589         p = action;
 590
 591         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
 592                 p++;
 593
 594         cmd = g_string_sized_new(strlen(action));
 595
 596         while (p[0] && !(p[0] == '|' && !p[1]) && p[0] != '&') {
 597                 if (p[0] == '%' && p[1]) {
 598                         switch (p[1]) {
 599                         case 'f':
 600                                 cmd = parse_append_filename(cmd, msginfo);
 601                                 p++;
 602                                 break;
 603                         case 'F':
 604                                 for (cur = GTK_CLIST(ctree)->selection;
 605                                      cur != NULL; cur = cur->next) {
 606                                         msg = gtk_ctree_node_get_row_data(ctree,
 607                                               GTK_CTREE_NODE(cur->data));
 608                                         cmd = parse_append_filename(cmd, msg);
 609                                         if (cur->next)
 610                                                 cmd = g_string_append_c(cmd, ' ');
 611                                 }
 612                                 p++;
 613                                 break;
 614                         case 'p':
 615                                 tmpcmd = parse_append_msgpart
 616                                         (cmd, msginfo, mimeview);
 617                                 if (tmpcmd)
 618                                         cmd = tmpcmd;
 619                                 else {
 620                                         g_string_free(cmd, TRUE);
 621                                         return NULL;
 622                                 }
 623                                 p++;
 624                                 break;
 625                         default:
 626                                 cmd = g_string_append_c(cmd, p[0]);
 627                                 cmd = g_string_append_c(cmd, p[1]);
 628                                 p++;
 629                         }
 630                 } else {
 631                         cmd = g_string_append_c(cmd, p[0]);
 632                 }
 633                 p++;
 634         }
 635         if (cmd->len == 0) {
 636                 g_string_free(cmd, TRUE);
 637                 return NULL;
 638         }
 639
 640         p = cmd->str;
 641         g_string_free(cmd, FALSE);
 642         return p;
 643 }
 644
 645 static GString *parse_append_filename(GString *cmd, MsgInfo *msginfo)
 646 {
 647         gchar *filename;
 648
 649         g_return_val_if_fail(msginfo, cmd);
 650
 651         filename = procmsg_get_message_file(msginfo);
 652
 653         if (filename) {
 654                 cmd = g_string_append(cmd, filename);
 655                 g_free(filename);
 656         }
 657
 658         return cmd;
 659 }
 660
 661 static GString *parse_append_msgpart(GString *cmd, MsgInfo *msginfo,
 662                                      MimeView *mimeview)
 663 {
 664         gchar    *filename;
 665         gchar    *partname;
 666         MimeInfo *partinfo;
 667         gint      ret;
 668         FILE     *fp;
 669
 670         if (!mimeview) {
 671 #if USE_GPGME
 672                 if ((fp = procmsg_open_message_decrypted(msginfo, &partinfo))
 673                     == NULL) {
 674                         alertpanel_error(_("Could not get message file."));
 675                         return NULL;
 676                 }
 677 #else
 678                 if ((fp = procmsg_open_message(msginfo)) == NULL) {
 679                         alertpanel_error(_("Could not get message file."));
 680                         return NULL;
 681                 }
 682                 partinfo = procmime_scan_mime_header(fp);
 683 #endif
 684                 fclose(fp);
 685                 if (!partinfo) {
 686                         procmime_mimeinfo_free(partinfo);
 687                         alertpanel_error(_("Could not get message part."));
 688                         return NULL;
 689                 }
 690                 filename = procmsg_get_message_file(msginfo);
 691         } else {
 692                 if (!mimeview->opened) {
 693                         alertpanel_error(_("No message part selected."));
 694                         return NULL;
 695                 }
 696                 if (!mimeview->file) {
 697                         alertpanel_error(_("No message file selected."));
 698                         return NULL;
 699                 }
 700                 partinfo = gtk_ctree_node_get_row_data
 701                                 (GTK_CTREE(mimeview->ctree),
 702                                  mimeview->opened);
 703                 g_return_val_if_fail(partinfo != NULL, cmd);
 704                 filename = mimeview->file;
 705         }
 706         partname = procmime_get_tmp_file_name(partinfo);
 707
 708         ret = procmime_get_part(partname, filename, partinfo);
 709
 710         if (!mimeview) {
 711                 procmime_mimeinfo_free(partinfo);
 712                 g_free(filename);
 713         }
 714
 715         if (ret < 0) {
 716                 alertpanel_error(_("Can't get part of multipart message"));
 717                 g_free(partname);
 718                 return NULL;
 719         }
 720
 721         cmd = g_string_append(cmd,partname);
 722
 723         g_free(partname);
 724
 725         return cmd;
 726 }
 727
 728 static void prefs_actions_set_dialog(void)
 729 {
 730         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 731         GSList *cur;
 732         gchar *action_str[1];
 733         gint row;
 734
 735         gtk_clist_freeze(clist);
 736         gtk_clist_clear(clist);
 737
 738         action_str[0] = _("(New)");
 739         row = gtk_clist_append(clist, action_str);
 740         gtk_clist_set_row_data(clist, row, NULL);
 741
 742         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 743                 gchar *action[1];
 744
 745                 action[0] = (gchar *)cur->data;
 746                 row = gtk_clist_append(clist, action);
 747                 gtk_clist_set_row_data(clist, row, action[0]);
 748         }
 749
 750         gtk_clist_thaw(clist);
 751 }
 752
 753 static void prefs_actions_set_list(void)
 754 {
 755         gint row = 1;
 756         gchar *action;
 757
 758         g_slist_free(prefs_common.actions_list);
 759         prefs_common.actions_list = NULL;
 760
 761         while ((action = (gchar *)gtk_clist_get_row_data
 762                 (GTK_CLIST(actions.actions_clist), row)) != NULL) {
 763                 prefs_common.actions_list =
 764                         g_slist_append(prefs_common.actions_list, action);
 765                 row++;
 766         }
 767 }
 768
 769 #define GET_ENTRY(entry) \
 770         entry_text = gtk_entry_get_text(GTK_ENTRY(entry))
 771
 772 static gint prefs_actions_clist_set_row(gint row)
 773 {
 774         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 775         gchar *entry_text;
 776         gint len;
 777         gchar action[PREFSBUFSIZE];
 778         gchar *buf[1];
 779
 780         g_return_val_if_fail(row != 0, -1);
 781
 782         GET_ENTRY(actions.name_entry);
 783         if (entry_text[0] == '\0') {
 784                 alertpanel_error(_("Menu name is not set."));
 785                 return -1;
 786         }
 787
 788         if (strchr(entry_text, ':')) {
 789                 alertpanel_error(_("Colon ':' is not allowed in the menu name."));
 790                 return -1;
 791         }
 792
 793         strncpy(action, entry_text, PREFSBUFSIZE - 1);
 794         g_strstrip(action);
 795
 796         /* Keep space for the ': ' delimiter */
 797         len = strlen(action) + 2;
 798         if (len >= PREFSBUFSIZE - 1) {
 799                 alertpanel_error(_("Menu name is too long."));
 800                 return -1;
 801         }
 802
 803         strcat(action, ": ");
 804
 805         GET_ENTRY(actions.cmd_entry);
 806
 807         if (entry_text[0] == '\0') {
 808                 alertpanel_error(_("Command line not set."));
 809                 return -1;
 810         }
 811
 812         if (len + strlen(entry_text) >= PREFSBUFSIZE - 1) {
 813                 alertpanel_error(_("Menu name and command are too long."));
 814                 return -1;
 815         }
 816
 817         if (get_action_type(entry_text) == ACTION_ERROR) {
 818                 alertpanel_error(_("The command\n%s\nhas a syntax error."),
 819                                  entry_text);
 820                 return -1;
 821         }
 822
 823         strcat(action, entry_text);
 824
 825         buf[0] = action;
 826         if (row < 0)
 827                 row = gtk_clist_append(clist, buf);
 828         else {
 829                 gchar *old_action;
 830                 gtk_clist_set_text(clist, row, 0, action);
 831                 old_action = (gchar *) gtk_clist_get_row_data(clist, row);
 832                 if (old_action)
 833                         g_free(old_action);
 834         }
 835
 836         buf[0] = g_strdup(action);
 837
 838         gtk_clist_set_row_data(clist, row, buf[0]);
 839
 840         prefs_actions_set_list();
 841
 842         return 0;
 843 }
 844
 845 /* callback functions */
 846
 847 static void prefs_actions_register_cb(GtkWidget *w, gpointer data)
 848 {
 849         prefs_actions_clist_set_row(-1);
 850 }
 851
 852 static void prefs_actions_substitute_cb(GtkWidget *w, gpointer data)
 853 {
 854         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 855         gchar *action;
 856         gint row;
 857
 858         if (!clist->selection) return;
 859
 860         row = GPOINTER_TO_INT(clist->selection->data);
 861         if (row == 0) return;
 862
 863         action = gtk_clist_get_row_data(clist, row);
 864         if (!action) return;
 865
 866         prefs_actions_clist_set_row(row);
 867 }
 868
 869 static void prefs_actions_delete_cb(GtkWidget *w, gpointer data)
 870 {
 871         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 872         gchar *action;
 873         gint row;
 874
 875         if (!clist->selection) return;
 876         row = GPOINTER_TO_INT(clist->selection->data);
 877         if (row == 0) return;
 878
 879         if (alertpanel(_("Delete action"),
 880                        _("Do you really want to delete this action?"),
 881                        _("Yes"), _("No"), NULL) == G_ALERTALTERNATE)
 882                 return;
 883
 884         action = gtk_clist_get_row_data(clist, row);
 885         g_free(action);
 886         gtk_clist_remove(clist, row);
 887         prefs_common.actions_list = g_slist_remove(prefs_common.actions_list,
 888                                                    action);
 889 }
 890
 891 static void prefs_actions_up(GtkWidget *w, gpointer data)
 892 {
 893         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 894         gint row;
 895
 896         if (!clist->selection) return;
 897
 898         row = GPOINTER_TO_INT(clist->selection->data);
 899         if (row > 1)
 900                 gtk_clist_row_move(clist, row, row - 1);
 901 }
 902
 903 static void prefs_actions_down(GtkWidget *w, gpointer data)
 904 {
 905         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 906         gint row;
 907
 908         if (!clist->selection) return;
 909
 910         row = GPOINTER_TO_INT(clist->selection->data);
 911         if (row > 0 && row < clist->rows - 1)
 912                 gtk_clist_row_move(clist, row, row + 1);
 913 }
 914
 915 #define ENTRY_SET_TEXT(entry, str) \
 916         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 917
 918 static void prefs_actions_select(GtkCList *clist, gint row, gint column,
 919                                  GdkEvent *event)
 920 {
 921         gchar *action;
 922         gchar *cmd;
 923         gchar buf[PREFSBUFSIZE];
 924         action = gtk_clist_get_row_data(clist, row);
 925
 926         if (!action) {
 927                 ENTRY_SET_TEXT(actions.name_entry, "");
 928                 ENTRY_SET_TEXT(actions.cmd_entry, "");
 929                 return;
 930         }
 931
 932         strncpy(buf, action, PREFSBUFSIZE - 1);
 933         buf[PREFSBUFSIZE - 1] = 0x00;
 934         cmd = strstr(buf, ": ");
 935
 936         if (cmd && cmd[2])
 937                 ENTRY_SET_TEXT(actions.cmd_entry, &cmd[2]);
 938         else
 939                 return;
 940
 941         *cmd = 0x00;
 942         ENTRY_SET_TEXT(actions.name_entry, buf);
 943 }
 944
 945 static void prefs_actions_row_move(GtkCList *clist,
 946                                    gint source_row, gint dest_row)
 947 {
 948         prefs_actions_set_list();
 949         if (gtk_clist_row_is_visible(clist, dest_row) != GTK_VISIBILITY_FULL) {
 950                 gtk_clist_moveto(clist, dest_row, -1,
 951                                  source_row < dest_row ? 1.0 : 0.0, 0.0);
 952         }
 953 }
 954
 955 static gint prefs_actions_deleted(GtkWidget *widget, GdkEventAny *event,
 956                                   gpointer *data)
 957 {
 958         prefs_actions_cancel(widget, data);
 959         return TRUE;
 960 }
 961
 962 static void prefs_actions_key_pressed(GtkWidget *widget, GdkEventKey *event,
 963                                       gpointer data)
 964 {
 965         if (event && event->keyval == GDK_Escape)
 966                 prefs_actions_cancel(widget, data);
 967 }
 968
 969 static void prefs_actions_cancel(GtkWidget *w, gpointer data)
 970 {
 971         prefs_actions_read_config();
 972         gtk_widget_hide(actions.window);
 973         inc_unlock();
 974 }
 975
 976 static void prefs_actions_ok(GtkWidget *widget, gpointer data)
 977 {
 978         GtkItemFactory *ifactory;
 979         MainWindow *mainwin = (MainWindow *)data;
 980
 981         prefs_actions_write_config();
 982         ifactory = gtk_item_factory_from_widget(mainwin->menubar);
 983         update_mainwin_actions_menu(ifactory, mainwin);
 984         gtk_widget_hide(actions.window);
 985         inc_unlock();
 986 }
 987
 988 void update_mainwin_actions_menu(GtkItemFactory *ifactory,
 989                                  MainWindow *mainwin)
 990 {
 991         update_actions_menu(ifactory, "/Tools/Actions",
 992                             mainwin_actions_execute_cb,
 993                             mainwin);
 994 }
 995
 996 void update_compose_actions_menu(GtkItemFactory *ifactory,
 997                                  gchar *branch_path,
 998                                  Compose *compose)
 999 {
1000         update_actions_menu(ifactory, branch_path,
1001                             compose_actions_execute_cb,
1002                             compose);
1003 }
1004
1005 static void update_actions_menu(GtkItemFactory *ifactory,
1006                                 gchar *branch_path,
1007                                 gpointer callback,
1008                                 gpointer data)
1009 {
1010         GtkWidget *menuitem;
1011         gchar *menu_path;
1012         GSList *cur;
1013         gchar *action, *action_p;
1014         GList *amenu;
1015         GtkItemFactoryEntry ifentry = {NULL, NULL, NULL, 0, "<Branch>"};
1016
1017         ifentry.path = branch_path;
1018         menuitem = gtk_item_factory_get_widget(ifactory, branch_path);
1019         g_return_if_fail(menuitem != NULL);
1020
1021         amenu = GTK_MENU_SHELL(menuitem)->children;
1022         while (amenu != NULL) {
1023                 GList *alist = amenu->next;
1024                 gtk_widget_destroy(GTK_WIDGET(amenu->data));
1025                 amenu = alist;
1026         }
1027
1028         ifentry.accelerator     = NULL;
1029         ifentry.callback_action = 0;
1030         ifentry.callback        = callback;
1031         ifentry.item_type       = NULL;
1032
1033         for (cur = prefs_common.actions_list; cur; cur = cur->next) {
1034                 action   = g_strdup((gchar *)cur->data);
1035                 action_p = strstr(action, ": ");
1036                 if (action_p && action_p[2] &&
1037                     get_action_type(&action_p[2]) != ACTION_ERROR) {
1038                         action_p[0] = 0x00;
1039                         menu_path = g_strdup_printf("%s/%s", branch_path,
1040                                                     action);
1041                         ifentry.path = menu_path;
1042                         gtk_item_factory_create_item(ifactory, &ifentry, data,
1043                                                      1);
1044                         g_free(menu_path);
1045                 }
1046                 g_free(action);
1047                 ifentry.callback_action++;
1048         }
1049 }
1050
1051 static void compose_actions_execute_cb(Compose *compose, guint action_nb,
1052                                        GtkWidget *widget)
1053 {
1054         gchar *buf, *action;
1055         guint action_type;
1056
1057         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1058
1059         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1060         g_return_if_fail(buf != NULL);
1061         action = strstr(buf, ": ");
1062         g_return_if_fail(action != NULL);
1063
1064         /* Point to the beginning of the command-line */
1065         action += 2;
1066
1067         action_type = get_action_type(action);
1068         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
1069                 alertpanel_warning
1070                         (_("The selected action cannot be used in the compose window\n"
1071                            "because it contains %%f, %%F or %%p."));
1072                 return;
1073         }
1074
1075         execute_actions(action, compose->window, NULL, compose->text, NULL);
1076 }
1077
1078 static void mainwin_actions_execute_cb(MainWindow *mainwin, guint action_nb,
1079                                        GtkWidget *widget)
1080 {
1081         MessageView *messageview = mainwin->messageview;
1082         GtkWidget   *text = NULL;
1083         gchar       *buf,
1084                     *action;
1085         MimeView    *mimeview = NULL;
1086
1087         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1088
1089         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1090
1091         g_return_if_fail(buf);
1092         g_return_if_fail(action = strstr(buf, ": "));
1093
1094         /* Point to the beginning of the command-line */
1095         action += 2;
1096
1097         switch (messageview->type) {
1098         case MVIEW_TEXT:
1099                 if (messageview->textview && messageview->textview->text)
1100                         text = messageview->textview->text;
1101                 break;
1102         case MVIEW_MIME:
1103                 if (messageview->mimeview &&
1104                     messageview->mimeview->type == MIMEVIEW_TEXT &&
1105                     messageview->mimeview->textview &&
1106                     messageview->mimeview->textview->text) {
1107                         text = messageview->mimeview->textview->text;
1108                         mimeview = messageview->mimeview;
1109                 }
1110                 break;
1111         }
1112
1113         execute_actions(action, mainwin->window,
1114                         GTK_CTREE(mainwin->summaryview->ctree), text, mimeview);
1115 }
1116
1117 static gboolean execute_actions(gchar *action, GtkWidget *window,
1118                                 GtkCTree *ctree, GtkWidget *text,
1119                                 MimeView *mimeview)
1120 {
1121         GList *cur, *selection = NULL;
1122         GSList *children_list = NULL;
1123         gint is_ok  = TRUE;
1124         gint selection_len = 0;
1125         Children *children;
1126         ChildInfo *child_info;
1127         gint action_type;
1128         MsgInfo *msginfo;
1129         gchar *cmd;
1130
1131         g_return_val_if_fail(action && *action, FALSE);
1132
1133         action_type = get_action_type(action);
1134
1135         if (action_type == ACTION_ERROR)
1136                 return FALSE;         /* ERR: syntax error */
1137
1138         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) &&
1139             !(ctree && GTK_CLIST(ctree)->selection))
1140                 return FALSE;         /* ERR: file command without selection */
1141
1142         if (ctree) {
1143                 selection = GTK_CLIST(ctree)->selection;
1144                 selection_len = g_list_length(selection);
1145         }
1146
1147         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN)) {
1148                 if (ctree && selection_len > 1)
1149                         return FALSE; /* ERR: pipe + multiple selection */
1150                 if (!text)
1151                         return FALSE; /* ERR: pipe and no displayed text */
1152         }
1153
1154         if (!(action_type & ACTION_ASYNC) && window) {
1155                 gtk_widget_set_sensitive(window, FALSE);
1156         }
1157
1158         children = g_new0(Children, 1);
1159
1160         if (action_type & ACTION_SINGLE) {
1161                 for (cur = selection; cur && is_ok == TRUE; cur = cur->next) {
1162                         msginfo = gtk_ctree_node_get_row_data(ctree,
1163                                         GTK_CTREE_NODE(cur->data));
1164                         if (!msginfo) {
1165                                 is_ok  = FALSE; /* ERR: msginfo missing */
1166                                 break;
1167                         }
1168                         cmd = parse_action_cmd(action, msginfo, ctree,
1169                                                mimeview);
1170                         if (!cmd) {
1171                                 debug_print(_("Action command error\n"));
1172                                 is_ok  = FALSE; /* ERR: incorrect command */
1173                                 break;
1174                         }
1175                         if ((child_info = fork_child(cmd, action_type, text,
1176                                                      children))) {
1177                                 children_list = g_slist_append(children_list,
1178                                                                child_info);
1179                                 children->open_in = (selection_len == 1) ?
1180                                                     (action_type &
1181                                                      (ACTION_OPEN_IN |
1182                                                       ACTION_HIDE_IN)) : 0;
1183                         }
1184                         g_free(cmd);
1185                 }
1186         } else {
1187                 cmd = parse_action_cmd(action, NULL, ctree, mimeview);
1188                 if (cmd) {
1189                         if ((child_info = fork_child(cmd, action_type, text,
1190                                                      children))) {
1191                                 children_list = g_slist_append(children_list,
1192                                                                child_info);
1193                                 children->open_in = action_type &
1194                                                     (ACTION_OPEN_IN |
1195                                                      ACTION_HIDE_IN);
1196                         }
1197                         g_free(cmd);
1198                 } else
1199                         is_ok  = FALSE;         /* ERR: incorrect command */
1200         }
1201
1202         if (!children_list) {
1203                  /* If not waiting for children, return */
1204                 g_free(children);
1205                 if (!(action_type & ACTION_ASYNC) && window) {
1206                         gtk_widget_set_sensitive(window, TRUE);
1207                 }
1208         } else {
1209                 GSList *cur;
1210
1211                 children->action  = g_strdup(action);
1212                 children->window  = window;
1213                 children->dialog  = NULL;
1214                 children->list    = children_list;
1215                 children->nb      = g_slist_length(children_list);
1216
1217                 for (cur = children_list; cur; cur = cur->next) {
1218                         child_info = (ChildInfo *) cur->data;
1219                         child_info->tag_status =
1220                                 gdk_input_add(child_info->chld_status,
1221                                               GDK_INPUT_READ,
1222                                               catch_status, child_info);
1223                 }
1224                 children->timer = children->open_in ? 0 :
1225                                   gtk_timeout_add(WAIT_LAP, wait_for_children,
1226                                                   children);
1227         }
1228         if (children->open_in)
1229                 create_io_dialog(children);
1230
1231         return is_ok;
1232 }
1233
1234 ChildInfo *fork_child(gchar *cmd, gint action_type, GtkWidget *text,
1235                       Children *children)
1236 {
1237         gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
1238         gchar *cmdline[4];
1239         gint start, end, is_selection;
1240         gchar *selection;
1241         pid_t pid, gch_pid;
1242         ChildInfo *child_info;
1243         gint sync;
1244
1245         sync = !(action_type & ACTION_ASYNC);
1246
1247         chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
1248                 = chld_err[1] = chld_status[0] = chld_status[1] = -1;
1249
1250         if (sync) {
1251                 if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
1252                     pipe(chld_err)) {
1253                         alertpanel_error(_("Command could not be started. "
1254                                            "Pipe creation failed.\n%s"),
1255                                         g_strerror(errno));
1256                         /* Closing fd = -1 fails silently */
1257                         close(chld_in[0]);
1258                         close(chld_in[1]);
1259                         close(chld_out[0]);
1260                         close(chld_out[1]);
1261                         close(chld_err[0]);
1262                         close(chld_err[1]);
1263                         close(chld_status[0]);
1264                         close(chld_status[1]);
1265                         return NULL; /* Pipe error */
1266                 }
1267         }
1268
1269         debug_print(_("Forking child and grandchild.\n"));
1270
1271         pid = fork();
1272         if (pid == 0) { /* Child */
1273                 if (setpgid(0, 0))
1274                         perror("setpgid");
1275
1276                 close(ConnectionNumber(gdk_display));
1277
1278                 gch_pid = fork();
1279
1280                 if (gch_pid == 0) {
1281                         if (setpgid(0, getppid()))
1282                                 perror("setpgid");
1283                         if (sync) {
1284                                 if (action_type &
1285                                     (ACTION_PIPE_IN |
1286                                      ACTION_OPEN_IN |
1287                                      ACTION_HIDE_IN)) {
1288                                         close(fileno(stdin));
1289                                         dup  (chld_in[0]);
1290                                 }
1291                                 close(chld_in[0]);
1292                                 close(chld_in[1]);
1293
1294                                 close(fileno(stdout));
1295                                 dup  (chld_out[1]);
1296                                 close(chld_out[0]);
1297                                 close(chld_out[1]);
1298
1299                                 close(fileno(stderr));
1300                                 dup  (chld_err[1]);
1301                                 close(chld_err[0]);
1302                                 close(chld_err[1]);
1303                         }
1304
1305                         cmdline[0] = "sh";
1306                         cmdline[1] = "-c";
1307                         cmdline[2] = cmd;
1308                         cmdline[3] = 0;
1309                         execvp("/bin/sh", cmdline);
1310
1311                         perror("execvp");
1312                         _exit(1);
1313                 } else if (gch_pid < (pid_t) 0) { /* Fork error */
1314                         if (sync)
1315                                 write(chld_status[1], "1\n", 2);
1316                         perror("fork");
1317                         _exit(1);
1318                 } else {/* Child */
1319                         if (sync) {
1320                                 close(chld_in[0]);
1321                                 close(chld_in[1]);
1322                                 close(chld_out[0]);
1323                                 close(chld_out[1]);
1324                                 close(chld_err[0]);
1325                                 close(chld_err[1]);
1326                                 close(chld_status[0]);
1327                         }
1328
1329                         debug_print(_("Child: Waiting for grandchild\n"));
1330                         waitpid(gch_pid, NULL, 0);
1331                         debug_print(_("Child: grandchild ended\n"));
1332                         if (sync) {
1333                                 write(chld_status[1], "0\n", 2);
1334                                 close(chld_status[1]);
1335                         }
1336                         _exit(0);
1337                 }
1338         } else if (pid < 0) { /* Fork error */
1339                 alertpanel_error(_("Could not fork to execute the following "
1340                                    "command:\n%s\n%s"),
1341                                  cmd, g_strerror(errno));
1342                 return NULL;
1343         }
1344
1345         /* Parent */
1346
1347         if (!sync)
1348                 return NULL;
1349
1350         close(chld_in[0]);
1351         if (!(action_type & (ACTION_PIPE_IN | ACTION_OPEN_IN | ACTION_HIDE_IN)))
1352                 close(chld_in[1]);
1353         close(chld_out[1]);
1354         close(chld_err[1]);
1355         close(chld_status[1]);
1356
1357         child_info = g_new0(ChildInfo, 1);
1358
1359         child_info->children    = children;
1360
1361         child_info->pid         = pid;
1362         child_info->cmd         = g_strdup(cmd);
1363         child_info->type        = action_type;
1364         child_info->new_out     = FALSE;
1365         child_info->output      = g_string_sized_new(0);
1366         child_info->chld_in     =
1367                 (action_type &
1368                  (ACTION_PIPE_IN | ACTION_OPEN_IN | ACTION_HIDE_IN))
1369                         ? chld_in [1] : -1;
1370         child_info->chld_out    = chld_out[0];
1371         child_info->chld_err    = chld_err[0];
1372         child_info->chld_status = chld_status[0];
1373         child_info->tag_in      = -1;
1374         child_info->tag_out     = gdk_input_add(chld_out[0], GDK_INPUT_READ,
1375                                                 catch_output, child_info);
1376         child_info->tag_err     = gdk_input_add(chld_err[0], GDK_INPUT_READ,
1377                                                 catch_output, child_info);
1378
1379         if (!(action_type & (ACTION_PIPE_IN | ACTION_PIPE_OUT)))
1380                 return child_info;
1381
1382         child_info->text        = text;
1383
1384         start = 0;
1385         end   = gtk_stext_get_length(GTK_STEXT(text));
1386
1387         if (GTK_EDITABLE(text)->has_selection) {
1388                 start = GTK_EDITABLE(text)->selection_start_pos;
1389                 end   = GTK_EDITABLE(text)->selection_end_pos;
1390                 if (start > end) {
1391                         gint tmp;
1392                         tmp = start;
1393                         start = end;
1394                         end = tmp;
1395                 }
1396                 is_selection = TRUE;
1397                 if (start == end) {
1398                         start = 0;
1399                         end = gtk_stext_get_length(GTK_STEXT(text));
1400                         is_selection = FALSE;
1401                 }
1402         }
1403
1404         selection = gtk_editable_get_chars(GTK_EDITABLE(text), start, end);
1405
1406         if (action_type & ACTION_PIPE_IN) {
1407                 write(chld_in[1], selection, strlen(selection));
1408                 if (!(action_type & (ACTION_OPEN_IN | ACTION_HIDE_IN)))
1409                         close(chld_in[1]);
1410                 child_info->chld_in = -1; /* No more input */
1411         }
1412         g_free(selection);
1413
1414         gtk_stext_freeze(GTK_STEXT(text));
1415         if (action_type & ACTION_PIPE_OUT) {
1416                 gtk_stext_set_point(GTK_STEXT(text), start);
1417                 gtk_stext_forward_delete(GTK_STEXT(text), end - start);
1418         }
1419
1420         gtk_stext_thaw(GTK_STEXT(text));
1421
1422         return child_info;
1423 }
1424
1425 static void kill_children_cb(GtkWidget *widget, gpointer data)
1426 {
1427         GSList *cur;
1428         Children *children = (Children *) data;
1429         ChildInfo *child_info;
1430
1431         for (cur = children->list; cur; cur = cur->next) {
1432                 child_info = (ChildInfo *)(cur->data);
1433                 debug_print(_("Killing child group id %d\n"), child_info->pid);
1434                 if (child_info->pid && kill(-child_info->pid, SIGTERM) < 0)
1435                         perror("kill");
1436         }
1437 }
1438
1439 static gint wait_for_children(gpointer data)
1440 {
1441         gboolean new_output;
1442         Children *children = (Children *)data;
1443         ChildInfo *child_info;
1444         GSList *cur;
1445         gint nb = children->nb;
1446
1447         children->nb = 0;
1448
1449         cur = children->list;
1450         new_output = FALSE;
1451         while (cur) {
1452                 child_info = (ChildInfo *)cur->data;
1453                 if (child_info->pid)
1454                         children->nb++;
1455                 new_output |= child_info->new_out;
1456                 cur = cur->next;
1457         }
1458
1459         if (!children->dialog &&
1460             (new_output || children->timer))
1461                 create_io_dialog(children);
1462
1463         if (children->timer) {
1464                 gtk_timeout_remove(children->timer);
1465                 children->timer = 0;
1466         }
1467         children->output |= new_output;
1468
1469         if (new_output || (children->dialog && (nb != children->nb)))
1470                 update_io_dialog(children);
1471
1472         if (children->nb)
1473                 return FALSE;
1474
1475         if (!children->dialog) {
1476                 gtk_widget_set_sensitive(children->window, TRUE);
1477                 free_children(children);
1478         } else if (!children->output) {
1479                 gtk_widget_destroy(children->dialog);
1480         }
1481         return FALSE;
1482 }
1483
1484 static void send_input(GtkWidget *w, gpointer data)
1485 {
1486         Children *children = (Children *) data;
1487         ChildInfo *child_info = (ChildInfo *) children->list->data;
1488
1489         child_info->tag_in = gdk_input_add(child_info->chld_in,
1490                                            GDK_INPUT_WRITE,
1491                                            catch_input, children);
1492         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1493 }
1494
1495 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1496 {
1497         hide_io_dialog_cb(w, data);
1498         return TRUE;
1499 }
1500
1501 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1502 {
1503
1504         Children *children = (Children *)data;
1505
1506         if (!children->nb) {
1507                 gtk_widget_set_sensitive(children->window, TRUE);
1508                 gtk_signal_disconnect_by_data(GTK_OBJECT(children->dialog),
1509                                               children);
1510                 gtk_widget_destroy(children->dialog);
1511                 free_children(children);
1512         }
1513 }
1514
1515 static void childinfo_close_pipes(ChildInfo *child_info)
1516 {
1517         if (child_info->tag_in > 0)
1518                 gdk_input_remove(child_info->tag_in);
1519         gdk_input_remove(child_info->tag_out);
1520         gdk_input_remove(child_info->tag_err);
1521
1522         if (child_info->chld_in >= 0)
1523                 close(child_info->chld_in);
1524         close(child_info->chld_out);
1525         close(child_info->chld_err);
1526         close(child_info->chld_status);
1527 }
1528
1529 static void free_children(Children *children)
1530 {
1531         GSList *cur;
1532         ChildInfo *child_info;
1533
1534         debug_print(_("Freeing children data %p\n"), children);
1535
1536         g_free(children->action);
1537         for (cur = children->list; cur;) {
1538                 child_info = (ChildInfo *)cur->data;
1539                 g_free(child_info->cmd);
1540                 g_string_free(child_info->output, TRUE);
1541                 children->list = g_slist_remove(children->list, child_info);
1542                 g_free(child_info);
1543                 cur = children->list;
1544         }
1545         g_free(children);
1546 }
1547
1548 static void update_io_dialog(Children *children)
1549 {
1550         GSList *cur;
1551
1552         debug_print(_("Updating actions input/output dialog.\n"));
1553
1554         if (!children->nb) {
1555                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1556                 gtk_widget_set_sensitive(children->hide_btn, TRUE);
1557                 gtk_widget_set_sensitive(children->window, TRUE);
1558                 if (children->input_hbox)
1559                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1560         }
1561
1562         if (children->output) {
1563                 GtkWidget *text = children->text;
1564                 gchar *caption;
1565                 ChildInfo *child_info;
1566
1567                 gtk_widget_show(children->scrolledwin);
1568                 gtk_text_freeze(GTK_TEXT(text));
1569                 gtk_text_set_point(GTK_TEXT(text), 0);
1570                 gtk_text_forward_delete(GTK_TEXT(text),
1571                                         gtk_text_get_length(GTK_TEXT(text)));
1572                 for (cur = children->list; cur; cur = cur->next) {
1573                         child_info = (ChildInfo *)cur->data;
1574                         if (child_info->pid)
1575                                 caption = g_strdup_printf
1576                                         (_("--- Running: %s\n"),
1577                                          child_info->cmd);
1578                         else
1579                                 caption = g_strdup_printf
1580                                         (_("--- Ended: %s\n"),
1581                                          child_info->cmd);
1582
1583                         gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
1584                                         caption, -1);
1585                         gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
1586                                         child_info->output->str, -1);
1587                         g_free(caption);
1588                         child_info->new_out = FALSE;
1589                 }
1590                 gtk_text_thaw(GTK_TEXT(text));
1591         }
1592 }
1593
1594 static void create_io_dialog(Children *children)
1595 {
1596         GtkWidget *dialog;
1597         GtkWidget *entry = NULL;
1598         GtkWidget *input_hbox = NULL;
1599         GtkWidget *send_button;
1600         GtkWidget *label;
1601         GtkWidget *text;
1602         GtkWidget *scrolledwin;
1603         GtkWidget *hbox;
1604         GtkWidget *abort_button;
1605         GtkWidget *hide_button;
1606
1607         debug_print(_("Creating actions dialog\n"));
1608
1609         dialog = gtk_dialog_new();
1610         label = gtk_label_new(children->action);
1611         gtk_misc_set_padding(GTK_MISC(label), 8, 8);
1612         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), label, FALSE,
1613                            FALSE, 0);
1614
1615         gtk_window_set_title(GTK_WINDOW(dialog), _("Actions' input/output"));
1616         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
1617                         GTK_SIGNAL_FUNC(delete_io_dialog_cb), children);
1618         gtk_signal_connect(GTK_OBJECT(dialog), "destroy",
1619                         GTK_SIGNAL_FUNC(hide_io_dialog_cb),
1620                         children);
1621
1622         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1623         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1624                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
1625         gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox), scrolledwin, TRUE,
1626                            TRUE, 0);
1627         gtk_widget_set_usize(scrolledwin, 600, 200);
1628         gtk_widget_hide(scrolledwin);
1629
1630         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
1631                             (GTK_SCROLLED_WINDOW(scrolledwin)),
1632                             gtk_scrolled_window_get_vadjustment
1633                             (GTK_SCROLLED_WINDOW(scrolledwin)));
1634         gtk_text_set_editable(GTK_TEXT(text), FALSE);
1635         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1636         gtk_widget_show(text);
1637
1638         if (children->open_in) {
1639                 input_hbox = gtk_hbox_new(FALSE, 8);
1640                 gtk_widget_show(input_hbox);
1641
1642                 entry = gtk_entry_new();
1643                 gtk_signal_connect(GTK_OBJECT(entry), "activate",
1644                                    GTK_SIGNAL_FUNC(send_input), children);
1645                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 8);
1646                 if (children->open_in & ACTION_HIDE_IN)
1647                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1648                 gtk_widget_show(entry);
1649
1650                 send_button = gtk_button_new_with_label(_("Send"));
1651                 gtk_signal_connect(GTK_OBJECT(send_button), "clicked",
1652                                    GTK_SIGNAL_FUNC(send_input), children);
1653                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1654                                    FALSE, 8);
1655                 gtk_widget_show(send_button);
1656
1657                 gtk_box_pack_start(GTK_BOX(GTK_DIALOG(dialog)->vbox),
1658                                 input_hbox, FALSE, FALSE, 8);
1659                 gtk_widget_grab_focus(entry);
1660         }
1661
1662         hbox = gtk_hbox_new(TRUE, 0);
1663         gtk_widget_show(hbox);
1664
1665         abort_button = gtk_button_new_with_label(_("Abort actions"));
1666         gtk_signal_connect(GTK_OBJECT(abort_button), "clicked",
1667                         GTK_SIGNAL_FUNC(kill_children_cb), children);
1668         gtk_box_pack_start(GTK_BOX(hbox), abort_button, TRUE, TRUE, 8);
1669         gtk_widget_show(abort_button);
1670
1671         hide_button = gtk_button_new_with_label(_("Close window"));
1672         gtk_signal_connect(GTK_OBJECT(hide_button), "clicked",
1673                         GTK_SIGNAL_FUNC(hide_io_dialog_cb), children);
1674         gtk_box_pack_start(GTK_BOX(hbox), hide_button, TRUE, TRUE, 8);
1675         gtk_widget_show(hide_button);
1676
1677         if (children->nb)
1678                 gtk_widget_set_sensitive(hide_button, FALSE);
1679
1680         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
1681
1682         children->dialog      = dialog;
1683         children->scrolledwin = scrolledwin;
1684         children->text        = text;
1685         children->input_hbox  = children->open_in ? input_hbox : NULL;
1686         children->input_entry = children->open_in ? entry : NULL;
1687         children->abort_btn   = abort_button;
1688         children->hide_btn    = hide_button;
1689
1690         gtk_widget_show(dialog);
1691 }
1692
1693 static void catch_status(gpointer data, gint source, GdkInputCondition cond)
1694 {
1695         ChildInfo *child_info = (ChildInfo *)data;
1696         gchar buf;
1697         gint c;
1698
1699         gdk_input_remove(child_info->tag_status);
1700
1701         c = read(source, &buf, 1);
1702         debug_print(_("Child returned %c\n"), buf);
1703
1704         waitpid(-child_info->pid, NULL, 0);
1705         childinfo_close_pipes(child_info);
1706         child_info->pid = 0;
1707
1708         wait_for_children(child_info->children);
1709 }
1710
1711 static void catch_input(gpointer data, gint source, GdkInputCondition cond)
1712 {
1713         Children *children = (Children *)data;
1714         ChildInfo *child_info = (ChildInfo *)children->list->data;
1715         gchar *input;
1716         gint c;
1717
1718         debug_print(_("Sending input to grand child.\n"));
1719         if (!(cond && GDK_INPUT_WRITE))
1720                 return;
1721
1722         gdk_input_remove(child_info->tag_in);
1723         child_info->tag_in = -1;
1724
1725         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1726                                        0, -1);
1727         c = write(child_info->chld_in, input, strlen(input));
1728
1729         g_free(input);
1730
1731         write(child_info->chld_in, "\n", 2);
1732
1733         gtk_entry_set_text(GTK_ENTRY(children->input_entry), "");
1734         gtk_widget_set_sensitive(children->input_hbox, TRUE);
1735         debug_print(_("Input to grand child sent.\n"));
1736 }
1737
1738 static void catch_output(gpointer data, gint source, GdkInputCondition cond)
1739 {
1740         ChildInfo *child_info = (ChildInfo *)data;
1741         gint c, i;
1742         gchar buf[PREFSBUFSIZE];
1743
1744         debug_print(_("Catching grand child's output.\n"));
1745         if (child_info->type & ACTION_PIPE_OUT
1746             && source == child_info->chld_out) {
1747                 gboolean is_selection = FALSE;
1748                 GtkWidget *text = child_info->text;
1749                 if (GTK_EDITABLE(text)->has_selection)
1750                         is_selection = TRUE;
1751                 gtk_stext_freeze(GTK_STEXT(text));
1752                 while (TRUE) {
1753                         c = read(source, buf, PREFSBUFSIZE - 1);
1754                         if (c == 0)
1755                                 break;
1756                         gtk_stext_insert(GTK_STEXT(text), NULL, NULL, NULL,
1757                                          buf, c);
1758                 }
1759                 if (is_selection) {
1760                         /* Using the select_region draws things. Should not.
1761                          * so we just change selection position and
1762                          * defere drawing when thawing. Hack?
1763                          */
1764                         GTK_EDITABLE(text)->selection_end_pos =
1765                                         gtk_stext_get_point(GTK_STEXT(text));
1766                 }
1767                 gtk_stext_thaw(GTK_STEXT(child_info->text));
1768         } else {
1769                 c = read(source, buf, PREFSBUFSIZE - 1);
1770                 for (i = 0; i < c; i++)
1771                         child_info->output = g_string_append_c
1772                                 (child_info->output, buf[i]);
1773                 if (c > 0)
1774                         child_info->new_out = TRUE;
1775         }
1776 }