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_gtk.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 #include "textview.h"
  54
  55 typedef enum
  56 {
  57         ACTION_NONE     = 1 << 0,
  58         ACTION_PIPE_IN  = 1 << 1,
  59         ACTION_PIPE_OUT = 1 << 2,
  60         ACTION_SINGLE   = 1 << 3,
  61         ACTION_MULTIPLE = 1 << 4,
  62         ACTION_ASYNC    = 1 << 5,
  63         ACTION_OPEN_IN  = 1 << 6,
  64         ACTION_HIDE_IN  = 1 << 7,
  65         ACTION_INSERT   = 1 << 8,
  66         ACTION_ERROR    = 1 << 9,
  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       *close_btn;
  93         GtkWidget       *scrolledwin;
  94
  95         gchar           *action;
  96         GSList          *list;
  97         gint             nb;
  98         gint             open_in;
  99         gboolean         output;
 100 };
 101
 102 struct _ChildInfo
 103 {
 104         Children        *children;
 105         gchar           *cmd;
 106         guint            type;
 107         pid_t            pid;
 108         gint             chld_in;
 109         gint             chld_out;
 110         gint             chld_err;
 111         gint             chld_status;
 112         gint             tag_in;
 113         gint             tag_out;
 114         gint             tag_err;
 115         gint             tag_status;
 116         gint             new_out;
 117         GString         *output;
 118         GtkWidget       *text;
 119         GdkFont         *msgfont;
 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 void msgview_actions_execute_cb  (MessageView    *msgview,
 168                                          guint           action_nb,
 169                                          GtkWidget      *widget);
 170 static guint get_action_type            (gchar          *action);
 171
 172 static gboolean execute_actions         (gchar          *action,
 173                                          GtkWidget      *window,
 174                                          GtkCTree       *ctree,
 175                                          GtkWidget      *text,
 176                                          GdkFont        *msgfont,
 177                                          gint            body_pos,
 178                                          MimeView       *mimeview);
 179
 180 static gchar *parse_action_cmd          (gchar          *action,
 181                                          MsgInfo        *msginfo,
 182                                          GtkCTree       *ctree,
 183                                          MimeView       *mimeview);
 184 static gboolean parse_append_filename   (GString        **cmd,
 185                                          MsgInfo        *msginfo);
 186
 187 static gboolean parse_append_msgpart    (GString        **cmd,
 188                                          MsgInfo        *msginfo,
 189                                          MimeView       *mimeview);
 190
 191 ChildInfo *fork_child                   (gchar          *cmd,
 192                                          gint            action_type,
 193                                          GtkWidget      *text,
 194                                          GdkFont        *msgfont,
 195                                          gint            body_pos,
 196                                          Children       *children);
 197
 198 static gint wait_for_children           (gpointer        data);
 199
 200 static void free_children               (Children       *children);
 201
 202 static void childinfo_close_pipes       (ChildInfo      *child_info);
 203
 204 static void create_io_dialog            (Children       *children);
 205 static void update_io_dialog            (Children       *children);
 206
 207 static void hide_io_dialog_cb           (GtkWidget      *widget,
 208                                          gpointer        data);
 209
 210 static void catch_output                (gpointer                data,
 211                                          gint                    source,
 212                                          GdkInputCondition       cond);
 213 static void catch_input                 (gpointer                data,
 214                                          gint                    source,
 215                                          GdkInputCondition       cond);
 216 static void catch_status                (gpointer                data,
 217                                          gint                    source,
 218                                          GdkInputCondition       cond);
 219
 220 void prefs_actions_open(MainWindow *mainwin)
 221 {
 222 #if 0
 223         if (prefs_rc_is_readonly(ACTIONS_RC))
 224                 return;
 225 #endif
 226         inc_lock();
 227
 228         if (!actions.window)
 229                 prefs_actions_create(mainwin);
 230
 231         manage_window_set_transient(GTK_WINDOW(actions.window));
 232         gtk_widget_grab_focus(actions.ok_btn);
 233
 234         prefs_actions_set_dialog();
 235
 236         gtk_widget_show(actions.window);
 237 }
 238
 239 static void prefs_actions_create(MainWindow *mainwin)
 240 {
 241         GtkWidget *window;
 242         GtkWidget *vbox;
 243         GtkWidget *ok_btn;
 244         GtkWidget *cancel_btn;
 245         GtkWidget *confirm_area;
 246
 247         GtkWidget *vbox1;
 248
 249         GtkWidget *entry_vbox;
 250         GtkWidget *hbox;
 251         GtkWidget *name_label;
 252         GtkWidget *name_entry;
 253         GtkWidget *cmd_label;
 254         GtkWidget *cmd_entry;
 255
 256         GtkWidget *reg_hbox;
 257         GtkWidget *btn_hbox;
 258         GtkWidget *arrow;
 259         GtkWidget *reg_btn;
 260         GtkWidget *subst_btn;
 261         GtkWidget *del_btn;
 262
 263         GtkWidget *cond_hbox;
 264         GtkWidget *cond_scrolledwin;
 265         GtkWidget *cond_clist;
 266
 267         GtkWidget *help_vbox;
 268         GtkWidget *help_label;
 269         GtkWidget *help_toggle;
 270
 271         GtkWidget *btn_vbox;
 272         GtkWidget *up_btn;
 273         GtkWidget *down_btn;
 274
 275         gchar *title[1];
 276
 277         debug_print("Creating actions configuration window...\n");
 278
 279         window = gtk_window_new (GTK_WINDOW_DIALOG);
 280
 281         gtk_container_set_border_width(GTK_CONTAINER (window), 8);
 282         gtk_window_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
 283         gtk_window_set_modal(GTK_WINDOW(window), TRUE);
 284         gtk_window_set_policy(GTK_WINDOW(window), FALSE, TRUE, TRUE);
 285         gtk_window_set_default_size(GTK_WINDOW(window), 400, -1);
 286
 287         vbox = gtk_vbox_new(FALSE, 6);
 288         gtk_widget_show(vbox);
 289         gtk_container_add(GTK_CONTAINER(window), vbox);
 290
 291         gtkut_button_set_create(&confirm_area, &ok_btn, _("OK"),
 292                                 &cancel_btn, _("Cancel"), NULL, NULL);
 293         gtk_widget_show(confirm_area);
 294         gtk_box_pack_end(GTK_BOX(vbox), confirm_area, FALSE, FALSE, 0);
 295         gtk_widget_grab_default(ok_btn);
 296
 297         gtk_window_set_title(GTK_WINDOW(window), _("Actions configuration"));
 298         gtk_signal_connect(GTK_OBJECT(window), "delete_event",
 299                            GTK_SIGNAL_FUNC(prefs_actions_deleted), NULL);
 300         gtk_signal_connect(GTK_OBJECT(window), "key_press_event",
 301                            GTK_SIGNAL_FUNC(prefs_actions_key_pressed), NULL);
 302         MANAGE_WINDOW_SIGNALS_CONNECT(window);
 303         gtk_signal_connect(GTK_OBJECT(ok_btn), "clicked",
 304                            GTK_SIGNAL_FUNC(prefs_actions_ok), mainwin);
 305         gtk_signal_connect(GTK_OBJECT(cancel_btn), "clicked",
 306                            GTK_SIGNAL_FUNC(prefs_actions_cancel), NULL);
 307
 308         vbox1 = gtk_vbox_new(FALSE, 8);
 309         gtk_widget_show(vbox1);
 310         gtk_box_pack_start(GTK_BOX(vbox), vbox1, TRUE, TRUE, 0);
 311         gtk_container_set_border_width(GTK_CONTAINER(vbox1), 2);
 312
 313         entry_vbox = gtk_vbox_new(FALSE, 4);
 314         gtk_box_pack_start(GTK_BOX(vbox1), entry_vbox, FALSE, FALSE, 0);
 315
 316         hbox = gtk_hbox_new(FALSE, 8);
 317         gtk_box_pack_start(GTK_BOX(entry_vbox), hbox, FALSE, FALSE, 0);
 318
 319         name_label = gtk_label_new(_("Menu name:"));
 320         gtk_box_pack_start(GTK_BOX(hbox), name_label, FALSE, FALSE, 0);
 321
 322         name_entry = gtk_entry_new();
 323         gtk_box_pack_start(GTK_BOX(hbox), name_entry, TRUE, TRUE, 0);
 324
 325         hbox = gtk_hbox_new(FALSE, 8);
 326         gtk_box_pack_start(GTK_BOX(entry_vbox), hbox, TRUE, TRUE, 0);
 327
 328         cmd_label = gtk_label_new(_("Command line:"));
 329         gtk_box_pack_start(GTK_BOX(hbox), cmd_label, FALSE, FALSE, 0);
 330
 331         cmd_entry = gtk_entry_new();
 332         gtk_box_pack_start(GTK_BOX(hbox), cmd_entry, TRUE, TRUE, 0);
 333
 334         gtk_widget_show_all(entry_vbox);
 335
 336         help_vbox = gtk_vbox_new(FALSE, 8);
 337         gtk_box_pack_start(GTK_BOX(vbox1), help_vbox, FALSE, FALSE, 0);
 338
 339         help_label = gtk_label_new
 340                 (_("Menu name:\n"
 341                    " Use / in menu name to make submenus.\n"
 342                    "Command line:\n"
 343                    " Begin with:\n"
 344                    "   | to send message body or selection to command\n"
 345                    "   > to send user provided text to command\n"
 346                    "   * to send user provided hidden text to command\n"
 347                    " End with:\n"
 348                    "   | to replace message body or selection with command output\n"
 349                    "   > to insert command's output without replacing old text\n"
 350                    "   & to run command asynchronously\n"
 351                    " Use %f for message file name\n"
 352                    "   %F for the list of the file names of selected messages\n"
 353                    "   %p for the selected message MIME part."));
 354         gtk_misc_set_alignment(GTK_MISC(help_label), 0, 0.5);
 355         gtk_label_set_justify(GTK_LABEL(help_label), GTK_JUSTIFY_LEFT);
 356         gtk_widget_show(help_label);
 357         gtk_box_pack_start(GTK_BOX(help_vbox), help_label, FALSE, FALSE, 0);
 358         gtk_widget_hide(help_vbox);
 359
 360         /* register / substitute / delete */
 361
 362         reg_hbox = gtk_hbox_new(FALSE, 4);
 363         gtk_widget_show(reg_hbox);
 364         gtk_box_pack_start(GTK_BOX(vbox1), reg_hbox, FALSE, FALSE, 0);
 365
 366         arrow = gtk_arrow_new(GTK_ARROW_DOWN, GTK_SHADOW_OUT);
 367         gtk_widget_show(arrow);
 368         gtk_box_pack_start(GTK_BOX(reg_hbox), arrow, FALSE, FALSE, 0);
 369         gtk_widget_set_usize(arrow, -1, 16);
 370
 371         btn_hbox = gtk_hbox_new(TRUE, 4);
 372         gtk_widget_show(btn_hbox);
 373         gtk_box_pack_start(GTK_BOX(reg_hbox), btn_hbox, FALSE, FALSE, 0);
 374
 375         reg_btn = gtk_button_new_with_label(_("Add"));
 376         gtk_widget_show(reg_btn);
 377         gtk_box_pack_start(GTK_BOX(btn_hbox), reg_btn, FALSE, TRUE, 0);
 378         gtk_signal_connect(GTK_OBJECT(reg_btn), "clicked",
 379                            GTK_SIGNAL_FUNC(prefs_actions_register_cb), NULL);
 380
 381         subst_btn = gtk_button_new_with_label(_("  Replace  "));
 382         gtk_widget_show(subst_btn);
 383         gtk_box_pack_start(GTK_BOX(btn_hbox), subst_btn, FALSE, TRUE, 0);
 384         gtk_signal_connect(GTK_OBJECT(subst_btn), "clicked",
 385                            GTK_SIGNAL_FUNC(prefs_actions_substitute_cb),
 386                            NULL);
 387
 388         del_btn = gtk_button_new_with_label(_("Delete"));
 389         gtk_widget_show(del_btn);
 390         gtk_box_pack_start(GTK_BOX(btn_hbox), del_btn, FALSE, TRUE, 0);
 391         gtk_signal_connect(GTK_OBJECT(del_btn), "clicked",
 392                            GTK_SIGNAL_FUNC(prefs_actions_delete_cb), NULL);
 393
 394         help_toggle = gtk_toggle_button_new_with_label(_(" Syntax help "));
 395         gtk_widget_show(help_toggle);
 396         gtk_box_pack_end(GTK_BOX(reg_hbox), help_toggle, FALSE, FALSE, 0);
 397         gtk_signal_connect(GTK_OBJECT(help_toggle), "toggled",
 398                            GTK_SIGNAL_FUNC(prefs_actions_help_cb), help_vbox);
 399
 400         cond_hbox = gtk_hbox_new(FALSE, 8);
 401         gtk_widget_show(cond_hbox);
 402         gtk_box_pack_start(GTK_BOX(vbox1), cond_hbox, TRUE, TRUE, 0);
 403
 404         cond_scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 405         gtk_widget_show(cond_scrolledwin);
 406         gtk_widget_set_usize(cond_scrolledwin, -1, 150);
 407         gtk_box_pack_start(GTK_BOX(cond_hbox), cond_scrolledwin,
 408                            TRUE, TRUE, 0);
 409         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (cond_scrolledwin),
 410                                        GTK_POLICY_AUTOMATIC,
 411                                        GTK_POLICY_AUTOMATIC);
 412
 413         title[0] = _("Current actions");
 414         cond_clist = gtk_clist_new_with_titles(1, title);
 415         gtk_widget_show(cond_clist);
 416         gtk_container_add(GTK_CONTAINER (cond_scrolledwin), cond_clist);
 417         gtk_clist_set_column_width(GTK_CLIST (cond_clist), 0, 80);
 418         gtk_clist_set_selection_mode(GTK_CLIST (cond_clist),
 419                                      GTK_SELECTION_BROWSE);
 420         GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(cond_clist)->column[0].button,
 421                                GTK_CAN_FOCUS);
 422         gtk_signal_connect(GTK_OBJECT(cond_clist), "select_row",
 423                            GTK_SIGNAL_FUNC(prefs_actions_select), NULL);
 424         gtk_signal_connect_after(GTK_OBJECT(cond_clist), "row_move",
 425                                  GTK_SIGNAL_FUNC(prefs_actions_row_move),
 426                                  NULL);
 427
 428         btn_vbox = gtk_vbox_new(FALSE, 8);
 429         gtk_widget_show(btn_vbox);
 430         gtk_box_pack_start(GTK_BOX(cond_hbox), btn_vbox, FALSE, FALSE, 0);
 431
 432         up_btn = gtk_button_new_with_label(_("Up"));
 433         gtk_widget_show(up_btn);
 434         gtk_box_pack_start(GTK_BOX(btn_vbox), up_btn, FALSE, FALSE, 0);
 435         gtk_signal_connect(GTK_OBJECT(up_btn), "clicked",
 436                            GTK_SIGNAL_FUNC(prefs_actions_up), NULL);
 437
 438         down_btn = gtk_button_new_with_label(_("Down"));
 439         gtk_widget_show(down_btn);
 440         gtk_box_pack_start(GTK_BOX(btn_vbox), down_btn, FALSE, FALSE, 0);
 441         gtk_signal_connect(GTK_OBJECT(down_btn), "clicked",
 442                            GTK_SIGNAL_FUNC(prefs_actions_down), NULL);
 443
 444         gtk_widget_show(window);
 445
 446         actions.window = window;
 447         actions.ok_btn = ok_btn;
 448
 449         actions.name_entry = name_entry;
 450         actions.cmd_entry  = cmd_entry;
 451
 452         actions.actions_clist = cond_clist;
 453 }
 454
 455 static void prefs_actions_help_cb(GtkWidget *w, gpointer data)
 456 {
 457         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(w)))
 458                 gtk_widget_show(GTK_WIDGET(data));
 459         else
 460                 gtk_widget_hide(GTK_WIDGET(data));
 461 }
 462
 463 void prefs_actions_read_config(void)
 464 {
 465         gchar *rcpath;
 466         FILE *fp;
 467         gchar buf[PREFSBUFSIZE];
 468         gchar *act;
 469
 470         debug_print("Reading actions configurations...\n");
 471
 472         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACTIONS_RC, NULL);
 473         if ((fp = fopen(rcpath, "rb")) == NULL) {
 474                 if (ENOENT != errno) FILE_OP_ERROR(rcpath, "fopen");
 475                 g_free(rcpath);
 476                 return;
 477         }
 478         g_free(rcpath);
 479
 480         while (prefs_common.actions_list != NULL) {
 481                 act = (gchar *)prefs_common.actions_list->data;
 482                 prefs_common.actions_list =
 483                         g_slist_remove(prefs_common.actions_list, act);
 484                 g_free(act);
 485         }
 486
 487         while (fgets(buf, sizeof(buf), fp) != NULL) {
 488                 g_strchomp(buf);
 489                 act = strstr(buf, ": ");
 490                 if (act && act[2] &&
 491                     get_action_type(&act[2]) != ACTION_ERROR)
 492                         prefs_common.actions_list =
 493                                 g_slist_append(prefs_common.actions_list,
 494                                                g_strdup(buf));
 495         }
 496         fclose(fp);
 497 }
 498
 499 void prefs_actions_write_config(void)
 500 {
 501         gchar *rcpath;
 502         PrefFile *pfile;
 503         GSList *cur;
 504
 505         debug_print("Writing actions configuration...\n");
 506
 507         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, ACTIONS_RC, NULL);
 508         if ((pfile= prefs_write_open(rcpath)) == NULL) {
 509                 g_warning("failed to write configuration to file\n");
 510                 g_free(rcpath);
 511                 return;
 512         }
 513
 514         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 515                 gchar *act = (gchar *)cur->data;
 516                 if (fputs(act, pfile->fp) == EOF ||
 517                     fputc('\n', pfile->fp) == EOF) {
 518                         FILE_OP_ERROR(rcpath, "fputs || fputc");
 519                         prefs_file_close_revert(pfile);
 520                         g_free(rcpath);
 521                         return;
 522                 }
 523         }
 524
 525         g_free(rcpath);
 526
 527         if (prefs_file_close(pfile) < 0) {
 528                 g_warning("failed to write configuration to file\n");
 529                 return;
 530         }
 531 }
 532
 533 static guint get_action_type(gchar *action)
 534 {
 535         gchar *p;
 536         guint action_type = ACTION_NONE;
 537
 538         g_return_val_if_fail(action,  ACTION_ERROR);
 539         g_return_val_if_fail(*action, ACTION_ERROR);
 540
 541         p = action;
 542
 543         if (p[0] == '|') {
 544                 action_type |= ACTION_PIPE_IN;
 545                 p++;
 546         } else if (p[0] == '>') {
 547                 action_type |= ACTION_OPEN_IN;
 548                 p++;
 549         } else if (p[0] == '*') {
 550                 action_type |= ACTION_HIDE_IN;
 551                 p++;
 552         }
 553
 554         if (p[0] == 0x00)
 555                 return ACTION_ERROR;
 556
 557         while (*p && action_type != ACTION_ERROR) {
 558                 if (p[0] == '%') {
 559                         switch (p[1]) {
 560                         case 'f':
 561                                 action_type |= ACTION_SINGLE;
 562                                 break;
 563                         case 'F':
 564                                 action_type |= ACTION_MULTIPLE;
 565                                 break;
 566                         case 'p':
 567                                 action_type |= ACTION_SINGLE;
 568                                 break;
 569                         default:
 570                                 action_type = ACTION_ERROR;
 571                                 break;
 572                         }
 573                 } else if (p[0] == '|') {
 574                         if (p[1] == 0x00)
 575                                 action_type |= ACTION_PIPE_OUT;
 576                 } else if (p[0] == '>') {
 577                         if (p[1] == 0x00)
 578                                 action_type |= ACTION_INSERT;
 579                 } else if (p[0] == '&') {
 580                         if (p[1] == 0x00)
 581                                 action_type |= ACTION_ASYNC;
 582                         else
 583                                 action_type = ACTION_ERROR;
 584                 }
 585                 p++;
 586         }
 587
 588         return action_type;
 589 }
 590
 591 static gchar *parse_action_cmd(gchar *action, MsgInfo *msginfo,
 592                                GtkCTree *ctree, MimeView *mimeview)
 593 {
 594         GString *cmd;
 595         gchar *p;
 596         GList *cur;
 597         MsgInfo *msg;
 598
 599         p = action;
 600
 601         if (p[0] == '|' || p[0] == '>' || p[0] == '*')
 602                 p++;
 603
 604         cmd = g_string_sized_new(strlen(action));
 605
 606         while (p[0] &&
 607                !((p[0] == '|' || p[0] == '>' || p[0] == '&') && !p[1])) {
 608                 if (p[0] == '%' && p[1]) {
 609                         switch (p[1]) {
 610                         case 'f':
 611                                 if (!parse_append_filename(&cmd, msginfo)) {
 612                                         g_string_free(cmd, TRUE);
 613                                         return NULL;
 614                                 }
 615                                 p++;
 616                                 break;
 617                         case 'F':
 618                                 for (cur = GTK_CLIST(ctree)->selection;
 619                                      cur != NULL; cur = cur->next) {
 620                                         msg = gtk_ctree_node_get_row_data(ctree,
 621                                               GTK_CTREE_NODE(cur->data));
 622                                         if (!parse_append_filename(&cmd, msg)) {
 623                                                 g_string_free(cmd, TRUE);
 624                                                 return NULL;
 625                                         }
 626                                         if (cur->next)
 627                                                 cmd = g_string_append_c(cmd, ' ');
 628                                 }
 629                                 p++;
 630                                 break;
 631                         case 'p':
 632                                 if (!parse_append_msgpart(&cmd, msginfo,
 633                                                           mimeview)) {
 634                                         g_string_free(cmd, TRUE);
 635                                         return NULL;
 636                                 }
 637                                 p++;
 638                                 break;
 639                         default:
 640                                 cmd = g_string_append_c(cmd, p[0]);
 641                                 cmd = g_string_append_c(cmd, p[1]);
 642                                 p++;
 643                         }
 644                 } else {
 645                         cmd = g_string_append_c(cmd, p[0]);
 646                 }
 647                 p++;
 648         }
 649         if (cmd->len == 0) {
 650                 g_string_free(cmd, TRUE);
 651                 return NULL;
 652         }
 653
 654         p = cmd->str;
 655         g_string_free(cmd, FALSE);
 656         return p;
 657 }
 658
 659 static gboolean parse_append_filename(GString **cmd, MsgInfo *msginfo)
 660 {
 661         gchar *filename;
 662
 663         g_return_val_if_fail(msginfo, FALSE);
 664
 665         filename = procmsg_get_message_file(msginfo);
 666
 667         if (filename) {
 668                 *cmd = g_string_append(*cmd, filename);
 669                 g_free(filename);
 670         } else {
 671                 alertpanel_error(_("Could not get message file %d"),
 672                                 msginfo->msgnum);
 673                 return FALSE;
 674         }
 675
 676         return TRUE;
 677 }
 678
 679 static gboolean parse_append_msgpart(GString **cmd, MsgInfo *msginfo,
 680                                      MimeView *mimeview)
 681 {
 682         gchar    *filename;
 683         gchar    *partname;
 684         MimeInfo *partinfo;
 685         gint      ret;
 686         FILE     *fp;
 687
 688         if (!mimeview) {
 689 #if USE_GPGME
 690                 if ((fp = procmsg_open_message_decrypted(msginfo, &partinfo))
 691                     == NULL) {
 692                         alertpanel_error(_("Could not get message file."));
 693                         return FALSE;
 694                 }
 695 #else
 696                 if ((fp = procmsg_open_message(msginfo)) == NULL) {
 697                         alertpanel_error(_("Could not get message file."));
 698                         return FALSE;
 699                 }
 700                 partinfo = procmime_scan_mime_header(fp);
 701 #endif
 702                 fclose(fp);
 703                 if (!partinfo) {
 704                         procmime_mimeinfo_free_all(partinfo);
 705                         alertpanel_error(_("Could not get message part."));
 706                         return FALSE;
 707                 }
 708                 filename = procmsg_get_message_file(msginfo);
 709         } else {
 710                 if (!mimeview->opened) {
 711                         alertpanel_error(_("No message part selected."));
 712                         return FALSE;
 713                 }
 714                 if (!mimeview->file) {
 715                         alertpanel_error(_("No message file selected."));
 716                         return FALSE;
 717                 }
 718                 partinfo = gtk_ctree_node_get_row_data
 719                                 (GTK_CTREE(mimeview->ctree),
 720                                  mimeview->opened);
 721                 g_return_val_if_fail(partinfo != NULL, FALSE);
 722                 filename = mimeview->file;
 723         }
 724         partname = procmime_get_tmp_file_name(partinfo);
 725
 726         ret = procmime_get_part(partname, filename, partinfo);
 727
 728         if (!mimeview) {
 729                 procmime_mimeinfo_free_all(partinfo);
 730                 g_free(filename);
 731         }
 732
 733         if (ret < 0) {
 734                 alertpanel_error(_("Can't get part of multipart message"));
 735                 g_free(partname);
 736                 return FALSE;
 737         }
 738
 739         *cmd = g_string_append(*cmd, partname);
 740
 741         g_free(partname);
 742
 743         return TRUE;
 744 }
 745
 746 static void prefs_actions_set_dialog(void)
 747 {
 748         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 749         GSList *cur;
 750         gchar *action_str[1];
 751         gint row;
 752
 753         gtk_clist_freeze(clist);
 754         gtk_clist_clear(clist);
 755
 756         action_str[0] = _("(New)");
 757         row = gtk_clist_append(clist, action_str);
 758         gtk_clist_set_row_data(clist, row, NULL);
 759
 760         for (cur = prefs_common.actions_list; cur != NULL; cur = cur->next) {
 761                 gchar *action[1];
 762
 763                 action[0] = (gchar *)cur->data;
 764                 row = gtk_clist_append(clist, action);
 765                 gtk_clist_set_row_data(clist, row, action[0]);
 766         }
 767
 768         gtk_clist_thaw(clist);
 769 }
 770
 771 static void prefs_actions_set_list(void)
 772 {
 773         gint row = 1;
 774         gchar *action;
 775
 776         g_slist_free(prefs_common.actions_list);
 777         prefs_common.actions_list = NULL;
 778
 779         while ((action = (gchar *)gtk_clist_get_row_data
 780                 (GTK_CLIST(actions.actions_clist), row)) != NULL) {
 781                 prefs_common.actions_list =
 782                         g_slist_append(prefs_common.actions_list, action);
 783                 row++;
 784         }
 785 }
 786
 787 #define GET_ENTRY(entry) \
 788         entry_text = gtk_entry_get_text(GTK_ENTRY(entry))
 789
 790 static gint prefs_actions_clist_set_row(gint row)
 791 {
 792         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 793         gchar *entry_text;
 794         gint len;
 795         gchar action[PREFSBUFSIZE];
 796         gchar *buf[1];
 797
 798         g_return_val_if_fail(row != 0, -1);
 799
 800         GET_ENTRY(actions.name_entry);
 801         if (entry_text[0] == '\0') {
 802                 alertpanel_error(_("Menu name is not set."));
 803                 return -1;
 804         }
 805
 806         if (strchr(entry_text, ':')) {
 807                 alertpanel_error(_("Colon ':' is not allowed in the menu name."));
 808                 return -1;
 809         }
 810
 811         strncpy(action, entry_text, PREFSBUFSIZE - 1);
 812         g_strstrip(action);
 813
 814         /* Keep space for the ': ' delimiter */
 815         len = strlen(action) + 2;
 816         if (len >= PREFSBUFSIZE - 1) {
 817                 alertpanel_error(_("Menu name is too long."));
 818                 return -1;
 819         }
 820
 821         strcat(action, ": ");
 822
 823         GET_ENTRY(actions.cmd_entry);
 824
 825         if (entry_text[0] == '\0') {
 826                 alertpanel_error(_("Command line not set."));
 827                 return -1;
 828         }
 829
 830         if (len + strlen(entry_text) >= PREFSBUFSIZE - 1) {
 831                 alertpanel_error(_("Menu name and command are too long."));
 832                 return -1;
 833         }
 834
 835         if (get_action_type(entry_text) == ACTION_ERROR) {
 836                 alertpanel_error(_("The command\n%s\nhas a syntax error."),
 837                                  entry_text);
 838                 return -1;
 839         }
 840
 841         strcat(action, entry_text);
 842
 843         buf[0] = action;
 844         if (row < 0)
 845                 row = gtk_clist_append(clist, buf);
 846         else {
 847                 gchar *old_action;
 848                 gtk_clist_set_text(clist, row, 0, action);
 849                 old_action = (gchar *) gtk_clist_get_row_data(clist, row);
 850                 if (old_action)
 851                         g_free(old_action);
 852         }
 853
 854         buf[0] = g_strdup(action);
 855
 856         gtk_clist_set_row_data(clist, row, buf[0]);
 857
 858         prefs_actions_set_list();
 859
 860         return 0;
 861 }
 862
 863 /* callback functions */
 864
 865 static void prefs_actions_register_cb(GtkWidget *w, gpointer data)
 866 {
 867         prefs_actions_clist_set_row(-1);
 868 }
 869
 870 static void prefs_actions_substitute_cb(GtkWidget *w, gpointer data)
 871 {
 872         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 873         gchar *action;
 874         gint row;
 875
 876         if (!clist->selection) return;
 877
 878         row = GPOINTER_TO_INT(clist->selection->data);
 879         if (row == 0) return;
 880
 881         action = gtk_clist_get_row_data(clist, row);
 882         if (!action) return;
 883
 884         prefs_actions_clist_set_row(row);
 885 }
 886
 887 static void prefs_actions_delete_cb(GtkWidget *w, gpointer data)
 888 {
 889         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 890         gchar *action;
 891         gint row;
 892
 893         if (!clist->selection) return;
 894         row = GPOINTER_TO_INT(clist->selection->data);
 895         if (row == 0) return;
 896
 897         if (alertpanel(_("Delete action"),
 898                        _("Do you really want to delete this action?"),
 899                        _("Yes"), _("No"), NULL) == G_ALERTALTERNATE)
 900                 return;
 901
 902         action = gtk_clist_get_row_data(clist, row);
 903         g_free(action);
 904         gtk_clist_remove(clist, row);
 905         prefs_common.actions_list = g_slist_remove(prefs_common.actions_list,
 906                                                    action);
 907 }
 908
 909 static void prefs_actions_up(GtkWidget *w, gpointer data)
 910 {
 911         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 912         gint row;
 913
 914         if (!clist->selection) return;
 915
 916         row = GPOINTER_TO_INT(clist->selection->data);
 917         if (row > 1)
 918                 gtk_clist_row_move(clist, row, row - 1);
 919 }
 920
 921 static void prefs_actions_down(GtkWidget *w, gpointer data)
 922 {
 923         GtkCList *clist = GTK_CLIST(actions.actions_clist);
 924         gint row;
 925
 926         if (!clist->selection) return;
 927
 928         row = GPOINTER_TO_INT(clist->selection->data);
 929         if (row > 0 && row < clist->rows - 1)
 930                 gtk_clist_row_move(clist, row, row + 1);
 931 }
 932
 933 #define ENTRY_SET_TEXT(entry, str) \
 934         gtk_entry_set_text(GTK_ENTRY(entry), str ? str : "")
 935
 936 static void prefs_actions_select(GtkCList *clist, gint row, gint column,
 937                                  GdkEvent *event)
 938 {
 939         gchar *action;
 940         gchar *cmd;
 941         gchar buf[PREFSBUFSIZE];
 942         action = gtk_clist_get_row_data(clist, row);
 943
 944         if (!action) {
 945                 ENTRY_SET_TEXT(actions.name_entry, "");
 946                 ENTRY_SET_TEXT(actions.cmd_entry, "");
 947                 return;
 948         }
 949
 950         strncpy(buf, action, PREFSBUFSIZE - 1);
 951         buf[PREFSBUFSIZE - 1] = 0x00;
 952         cmd = strstr(buf, ": ");
 953
 954         if (cmd && cmd[2])
 955                 ENTRY_SET_TEXT(actions.cmd_entry, &cmd[2]);
 956         else
 957                 return;
 958
 959         *cmd = 0x00;
 960         ENTRY_SET_TEXT(actions.name_entry, buf);
 961 }
 962
 963 static void prefs_actions_row_move(GtkCList *clist,
 964                                    gint source_row, gint dest_row)
 965 {
 966         prefs_actions_set_list();
 967         if (gtk_clist_row_is_visible(clist, dest_row) != GTK_VISIBILITY_FULL) {
 968                 gtk_clist_moveto(clist, dest_row, -1,
 969                                  source_row < dest_row ? 1.0 : 0.0, 0.0);
 970         }
 971 }
 972
 973 static gint prefs_actions_deleted(GtkWidget *widget, GdkEventAny *event,
 974                                   gpointer *data)
 975 {
 976         prefs_actions_cancel(widget, data);
 977         return TRUE;
 978 }
 979
 980 static void prefs_actions_key_pressed(GtkWidget *widget, GdkEventKey *event,
 981                                       gpointer data)
 982 {
 983         if (event && event->keyval == GDK_Escape)
 984                 prefs_actions_cancel(widget, data);
 985 }
 986
 987 static void prefs_actions_cancel(GtkWidget *w, gpointer data)
 988 {
 989         prefs_actions_read_config();
 990         gtk_widget_hide(actions.window);
 991         inc_unlock();
 992 }
 993
 994 static void prefs_actions_ok(GtkWidget *widget, gpointer data)
 995 {
 996         GtkItemFactory *ifactory;
 997         MainWindow *mainwin = (MainWindow *)data;
 998
 999         prefs_actions_write_config();
1000         ifactory = gtk_item_factory_from_widget(mainwin->menubar);
1001         update_mainwin_actions_menu(ifactory, mainwin);
1002         gtk_widget_hide(actions.window);
1003         inc_unlock();
1004 }
1005
1006 void update_mainwin_actions_menu(GtkItemFactory *ifactory,
1007                                  MainWindow *mainwin)
1008 {
1009         update_actions_menu(ifactory, "/Tools/Actions",
1010                             mainwin_actions_execute_cb,
1011                             mainwin);
1012 }
1013
1014 void update_compose_actions_menu(GtkItemFactory *ifactory,
1015                                  gchar *branch_path,
1016                                  Compose *compose)
1017 {
1018         update_actions_menu(ifactory, branch_path,
1019                             compose_actions_execute_cb,
1020                             compose);
1021 }
1022
1023
1024 void actions_execute(gpointer data,
1025                      guint action_nb,
1026                      GtkWidget *widget,
1027                      gint source)
1028 {
1029         if (source == TOOLBAR_MAIN)
1030                 mainwin_actions_execute_cb((MainWindow*)data, action_nb, widget);
1031         else if (source == TOOLBAR_COMPOSE)
1032                 compose_actions_execute_cb((Compose*)data, action_nb, widget);
1033         else if (source == TOOLBAR_MSGVIEW)
1034                 msgview_actions_execute_cb((MessageView*)data, action_nb, widget);
1035 }
1036
1037
1038 static void update_actions_menu(GtkItemFactory *ifactory,
1039                                 gchar *branch_path,
1040                                 gpointer callback,
1041                                 gpointer data)
1042 {
1043         GtkWidget *menuitem;
1044         gchar *menu_path;
1045         GSList *cur;
1046         gchar *action, *action_p;
1047         GList *amenu;
1048         GtkItemFactoryEntry ifentry = {NULL, NULL, NULL, 0, "<Branch>"};
1049
1050         ifentry.path = branch_path;
1051         menuitem = gtk_item_factory_get_widget(ifactory, branch_path);
1052         g_return_if_fail(menuitem != NULL);
1053
1054         amenu = GTK_MENU_SHELL(menuitem)->children;
1055         while (amenu != NULL) {
1056                 GList *alist = amenu->next;
1057                 gtk_widget_destroy(GTK_WIDGET(amenu->data));
1058                 amenu = alist;
1059         }
1060
1061         ifentry.accelerator     = NULL;
1062         ifentry.callback_action = 0;
1063         ifentry.callback        = callback;
1064         ifentry.item_type       = NULL;
1065
1066         for (cur = prefs_common.actions_list; cur; cur = cur->next) {
1067                 action   = g_strdup((gchar *)cur->data);
1068                 action_p = strstr(action, ": ");
1069                 if (action_p && action_p[2] &&
1070                     get_action_type(&action_p[2]) != ACTION_ERROR) {
1071                         action_p[0] = 0x00;
1072                         menu_path = g_strdup_printf("%s/%s", branch_path,
1073                                                     action);
1074                         ifentry.path = menu_path;
1075                         gtk_item_factory_create_item(ifactory, &ifentry, data,
1076                                                      1);
1077                         g_free(menu_path);
1078                 }
1079                 g_free(action);
1080                 ifentry.callback_action++;
1081         }
1082 }
1083
1084 static void compose_actions_execute_cb(Compose *compose, guint action_nb,
1085                                        GtkWidget *widget)
1086 {
1087         gchar *buf, *action;
1088         guint action_type;
1089
1090         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1091
1092         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1093         g_return_if_fail(buf != NULL);
1094         action = strstr(buf, ": ");
1095         g_return_if_fail(action != NULL);
1096
1097         /* Point to the beginning of the command-line */
1098         action += 2;
1099
1100         action_type = get_action_type(action);
1101         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE)) {
1102                 alertpanel_warning
1103                         (_("The selected action cannot be used in the compose window\n"
1104                            "because it contains %%f, %%F or %%p."));
1105                 return;
1106         }
1107
1108         execute_actions(action, compose->window, NULL, compose->text, NULL, 0,
1109                         NULL);
1110 }
1111
1112 static void mainwin_actions_execute_cb(MainWindow *mainwin, guint action_nb,
1113                                        GtkWidget *widget)
1114 {
1115         MessageView *messageview = mainwin->messageview;
1116         TextView    *textview = NULL;
1117         gchar       *buf,
1118                     *action;
1119         MimeView    *mimeview = NULL;
1120
1121         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1122
1123         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1124
1125         g_return_if_fail(buf);
1126         g_return_if_fail(action = strstr(buf, ": "));
1127
1128         /* Point to the beginning of the command-line */
1129         action += 2;
1130
1131         switch (messageview->type) {
1132         case MVIEW_TEXT:
1133                 if (messageview->textview && messageview->textview->text)
1134                         textview = messageview->textview;
1135                 break;
1136         case MVIEW_MIME:
1137                 if (messageview->mimeview) {
1138                         mimeview = messageview->mimeview;
1139                         if (messageview->mimeview->type == MIMEVIEW_TEXT &&
1140                                         messageview->mimeview->textview &&
1141                                         messageview->mimeview->textview->text)
1142                                 textview = messageview->mimeview->textview;
1143                 }
1144                 break;
1145         }
1146
1147         execute_actions(action, mainwin->window,
1148                         GTK_CTREE(mainwin->summaryview->ctree), textview->text,
1149                         textview->msgfont, textview->body_pos, mimeview);
1150 }
1151
1152 /* FIXME: Code duplication mainwindow_actions_execute_cb
1153  */
1154 static void msgview_actions_execute_cb(MessageView *msgview, guint action_nb,
1155                                        GtkWidget *widget)
1156 {
1157         TextView    *textview = NULL;
1158         gchar       *buf,
1159                     *action;
1160         MimeView    *mimeview = NULL;
1161
1162         g_return_if_fail(action_nb < g_slist_length(prefs_common.actions_list));
1163
1164         buf = (gchar *)g_slist_nth_data(prefs_common.actions_list, action_nb);
1165
1166         g_return_if_fail(buf);
1167         g_return_if_fail(action = strstr(buf, ": "));
1168
1169         /* Point to the beginning of the command-line */
1170         action += 2;
1171
1172         switch (msgview->type) {
1173         case MVIEW_TEXT:
1174                 if (msgview->textview && msgview->textview->text)
1175                         textview = msgview->textview;
1176                 break;
1177         case MVIEW_MIME:
1178                 if (msgview->mimeview) {
1179                         mimeview = msgview->mimeview;
1180                         if (msgview->mimeview->type == MIMEVIEW_TEXT &&
1181                             msgview->mimeview->textview &&
1182                             msgview->mimeview->textview->text)
1183                                 textview = msgview->mimeview->textview;
1184                 }
1185                 break;
1186         }
1187
1188         execute_actions(action, msgview->window, NULL, textview->text,
1189                         textview->msgfont, textview->body_pos, mimeview);
1190 }
1191
1192 static gboolean execute_actions(gchar *action, GtkWidget *window,
1193                                 GtkCTree *ctree, GtkWidget *text,
1194                                 GdkFont *msgfont, gint body_pos,
1195                                 MimeView *mimeview)
1196 {
1197         GList *cur, *selection = NULL;
1198         GSList *children_list = NULL;
1199         gint is_ok  = TRUE;
1200         gint selection_len = 0;
1201         Children *children;
1202         ChildInfo *child_info;
1203         gint action_type;
1204         MsgInfo *msginfo;
1205         gchar *cmd;
1206
1207         g_return_val_if_fail(action && *action, FALSE);
1208
1209         action_type = get_action_type(action);
1210
1211         if (action_type == ACTION_ERROR)
1212                 return FALSE;         /* ERR: syntax error */
1213
1214         if (action_type & (ACTION_SINGLE | ACTION_MULTIPLE) &&
1215             !(ctree && GTK_CLIST(ctree)->selection))
1216                 return FALSE;         /* ERR: file command without selection */
1217
1218         if (ctree) {
1219                 selection = GTK_CLIST(ctree)->selection;
1220                 selection_len = g_list_length(selection);
1221         }
1222
1223         if (action_type & (ACTION_PIPE_OUT | ACTION_PIPE_IN | ACTION_INSERT)) {
1224                 if (ctree && selection_len > 1)
1225                         return FALSE; /* ERR: pipe + multiple selection */
1226                 if (!text)
1227                         return FALSE; /* ERR: pipe and no displayed text */
1228         }
1229
1230         children = g_new0(Children, 1);
1231
1232         if (action_type & ACTION_SINGLE) {
1233                 for (cur = selection; cur && is_ok == TRUE; cur = cur->next) {
1234                         msginfo = gtk_ctree_node_get_row_data(ctree,
1235                                         GTK_CTREE_NODE(cur->data));
1236                         if (!msginfo) {
1237                                 is_ok  = FALSE; /* ERR: msginfo missing */
1238                                 break;
1239                         }
1240                         cmd = parse_action_cmd(action, msginfo, ctree,
1241                                                mimeview);
1242                         if (!cmd) {
1243                                 debug_print("Action command error\n");
1244                                 is_ok  = FALSE; /* ERR: incorrect command */
1245                                 break;
1246                         }
1247                         if ((child_info = fork_child(cmd, action_type, text,
1248                                                      msgfont, body_pos,
1249                                                      children))) {
1250                                 children_list = g_slist_append(children_list,
1251                                                                child_info);
1252                                 children->open_in = (selection_len == 1) ?
1253                                                     (action_type &
1254                                                      (ACTION_OPEN_IN |
1255                                                       ACTION_HIDE_IN)) : 0;
1256                         }
1257                         g_free(cmd);
1258                 }
1259         } else {
1260                 cmd = parse_action_cmd(action, NULL, ctree, mimeview);
1261                 if (cmd) {
1262                         if ((child_info = fork_child(cmd, action_type, text,
1263                                                      msgfont, body_pos,
1264                                                      children))) {
1265                                 children_list = g_slist_append(children_list,
1266                                                                child_info);
1267                                 children->open_in = action_type &
1268                                                     (ACTION_OPEN_IN |
1269                                                      ACTION_HIDE_IN);
1270                         }
1271                         g_free(cmd);
1272                 } else
1273                         is_ok  = FALSE;         /* ERR: incorrect command */
1274         }
1275
1276         if (!children_list) {
1277                  /* If not waiting for children, return */
1278                 g_free(children);
1279         } else {
1280                 GSList *cur;
1281
1282                 children->action  = g_strdup(action);
1283                 children->window  = window;
1284                 children->dialog  = NULL;
1285                 children->list    = children_list;
1286                 children->nb      = g_slist_length(children_list);
1287
1288                 for (cur = children_list; cur; cur = cur->next) {
1289                         child_info = (ChildInfo *) cur->data;
1290                         child_info->tag_status =
1291                                 gdk_input_add(child_info->chld_status,
1292                                               GDK_INPUT_READ,
1293                                               catch_status, child_info);
1294                 }
1295
1296                 create_io_dialog(children);
1297         }
1298
1299         return is_ok;
1300 }
1301
1302 ChildInfo *fork_child(gchar *cmd, gint action_type, GtkWidget *text,
1303                       GdkFont *msgfont, gint body_pos, Children *children)
1304 {
1305         gint chld_in[2], chld_out[2], chld_err[2], chld_status[2];
1306         gchar *cmdline[4];
1307         gint start, end, is_selection;
1308         gchar *selection;
1309         pid_t pid, gch_pid;
1310         ChildInfo *child_info;
1311         gint sync;
1312
1313         sync = !(action_type & ACTION_ASYNC);
1314
1315         chld_in[0] = chld_in[1] = chld_out[0] = chld_out[1] = chld_err[0]
1316                 = chld_err[1] = chld_status[0] = chld_status[1] = -1;
1317
1318         if (sync) {
1319                 if (pipe(chld_status) || pipe(chld_in) || pipe(chld_out) ||
1320                     pipe(chld_err)) {
1321                         alertpanel_error(_("Command could not be started. "
1322                                            "Pipe creation failed.\n%s"),
1323                                         g_strerror(errno));
1324                         /* Closing fd = -1 fails silently */
1325                         close(chld_in[0]);
1326                         close(chld_in[1]);
1327                         close(chld_out[0]);
1328                         close(chld_out[1]);
1329                         close(chld_err[0]);
1330                         close(chld_err[1]);
1331                         close(chld_status[0]);
1332                         close(chld_status[1]);
1333                         return NULL; /* Pipe error */
1334                 }
1335         }
1336
1337         debug_print("Forking child and grandchild.\n");
1338
1339         pid = fork();
1340         if (pid == 0) { /* Child */
1341                 if (setpgid(0, 0))
1342                         perror("setpgid");
1343
1344                 close(ConnectionNumber(gdk_display));
1345
1346                 gch_pid = fork();
1347
1348                 if (gch_pid == 0) {
1349                         if (setpgid(0, getppid()))
1350                                 perror("setpgid");
1351                         if (sync) {
1352                                 if (action_type &
1353                                     (ACTION_PIPE_IN |
1354                                      ACTION_OPEN_IN |
1355                                      ACTION_HIDE_IN)) {
1356                                         close(fileno(stdin));
1357                                         dup  (chld_in[0]);
1358                                 }
1359                                 close(chld_in[0]);
1360                                 close(chld_in[1]);
1361
1362                                 close(fileno(stdout));
1363                                 dup  (chld_out[1]);
1364                                 close(chld_out[0]);
1365                                 close(chld_out[1]);
1366
1367                                 close(fileno(stderr));
1368                                 dup  (chld_err[1]);
1369                                 close(chld_err[0]);
1370                                 close(chld_err[1]);
1371                         }
1372
1373                         cmdline[0] = "sh";
1374                         cmdline[1] = "-c";
1375                         cmdline[2] = cmd;
1376                         cmdline[3] = 0;
1377                         execvp("/bin/sh", cmdline);
1378
1379                         perror("execvp");
1380                         _exit(1);
1381                 } else if (gch_pid < (pid_t) 0) { /* Fork error */
1382                         if (sync)
1383                                 write(chld_status[1], "1\n", 2);
1384                         perror("fork");
1385                         _exit(1);
1386                 } else {/* Child */
1387                         if (sync) {
1388                                 close(chld_in[0]);
1389                                 close(chld_in[1]);
1390                                 close(chld_out[0]);
1391                                 close(chld_out[1]);
1392                                 close(chld_err[0]);
1393                                 close(chld_err[1]);
1394                                 close(chld_status[0]);
1395                         }
1396                         if (sync) {
1397                                 debug_print("Child: Waiting for grandchild\n");
1398                                 waitpid(gch_pid, NULL, 0);
1399                                 debug_print("Child: grandchild ended\n");
1400                                 write(chld_status[1], "0\n", 2);
1401                                 close(chld_status[1]);
1402                         }
1403                         _exit(0);
1404                 }
1405         } else if (pid < 0) { /* Fork error */
1406                 alertpanel_error(_("Could not fork to execute the following "
1407                                    "command:\n%s\n%s"),
1408                                  cmd, g_strerror(errno));
1409                 return NULL;
1410         }
1411
1412         /* Parent */
1413
1414         if (!sync) {
1415                 waitpid(pid, NULL, 0);
1416                 return NULL;
1417         }
1418
1419         close(chld_in[0]);
1420         if (!(action_type & (ACTION_PIPE_IN | ACTION_OPEN_IN | ACTION_HIDE_IN)))
1421                 close(chld_in[1]);
1422         close(chld_out[1]);
1423         close(chld_err[1]);
1424         close(chld_status[1]);
1425
1426         child_info = g_new0(ChildInfo, 1);
1427
1428         child_info->children    = children;
1429
1430         child_info->pid         = pid;
1431         child_info->cmd         = g_strdup(cmd);
1432         child_info->type        = action_type;
1433         child_info->new_out     = FALSE;
1434         child_info->output      = g_string_sized_new(0);
1435         child_info->chld_in     =
1436                 (action_type &
1437                  (ACTION_PIPE_IN | ACTION_OPEN_IN | ACTION_HIDE_IN))
1438                         ? chld_in [1] : -1;
1439         child_info->chld_out    = chld_out[0];
1440         child_info->chld_err    = chld_err[0];
1441         child_info->chld_status = chld_status[0];
1442         child_info->tag_in      = -1;
1443         child_info->tag_out     = gdk_input_add(chld_out[0], GDK_INPUT_READ,
1444                                                 catch_output, child_info);
1445         child_info->tag_err     = gdk_input_add(chld_err[0], GDK_INPUT_READ,
1446                                                 catch_output, child_info);
1447
1448         if (!(action_type & (ACTION_PIPE_IN | ACTION_PIPE_OUT | ACTION_INSERT)))
1449                 return child_info;
1450
1451         child_info->text        = text;
1452         child_info->msgfont     = msgfont;
1453
1454         start = body_pos;
1455         end   = gtk_stext_get_length(GTK_STEXT(text));
1456
1457         if (GTK_EDITABLE(text)->has_selection) {
1458                 start = GTK_EDITABLE(text)->selection_start_pos;
1459                 end   = GTK_EDITABLE(text)->selection_end_pos;
1460                 if (start > end) {
1461                         gint tmp;
1462                         tmp = start;
1463                         start = end;
1464                         end = tmp;
1465                 }
1466                 is_selection = TRUE;
1467                 if (start == end) {
1468                         start = 0;
1469                         end = gtk_stext_get_length(GTK_STEXT(text));
1470                         is_selection = FALSE;
1471                 }
1472         }
1473
1474         selection = gtk_editable_get_chars(GTK_EDITABLE(text), start, end);
1475
1476         if (action_type & ACTION_PIPE_IN) {
1477                 write(chld_in[1], selection, strlen(selection));
1478                 if (!(action_type & (ACTION_OPEN_IN | ACTION_HIDE_IN)))
1479                         close(chld_in[1]);
1480                 child_info->chld_in = -1; /* No more input */
1481         }
1482         g_free(selection);
1483
1484         gtk_stext_freeze(GTK_STEXT(text));
1485         if (action_type & ACTION_PIPE_OUT) {
1486                 gtk_stext_set_point(GTK_STEXT(text), start);
1487                 gtk_stext_forward_delete(GTK_STEXT(text), end - start);
1488         }
1489
1490         gtk_stext_thaw(GTK_STEXT(text));
1491
1492         return child_info;
1493 }
1494
1495 static void kill_children_cb(GtkWidget *widget, gpointer data)
1496 {
1497         GSList *cur;
1498         Children *children = (Children *) data;
1499         ChildInfo *child_info;
1500
1501         for (cur = children->list; cur; cur = cur->next) {
1502                 child_info = (ChildInfo *)(cur->data);
1503                 debug_print("Killing child group id %d\n", child_info->pid);
1504                 if (child_info->pid && kill(-child_info->pid, SIGTERM) < 0)
1505                         perror("kill");
1506         }
1507 }
1508
1509 static gint wait_for_children(gpointer data)
1510 {
1511         gboolean new_output;
1512         Children *children = (Children *)data;
1513         ChildInfo *child_info;
1514         GSList *cur;
1515         gint nb = children->nb;
1516
1517         children->nb = 0;
1518
1519         cur = children->list;
1520         new_output = FALSE;
1521         while (cur) {
1522                 child_info = (ChildInfo *)cur->data;
1523                 if (child_info->pid)
1524                         children->nb++;
1525                 new_output |= child_info->new_out;
1526                 cur = cur->next;
1527         }
1528
1529         children->output |= new_output;
1530
1531         if (new_output || (children->dialog && (nb != children->nb)))
1532                 update_io_dialog(children);
1533
1534         if (children->nb)
1535                 return FALSE;
1536
1537         if (!children->dialog) {
1538                 free_children(children);
1539         } else if (!children->output) {
1540                 gtk_widget_destroy(children->dialog);
1541         }
1542
1543         return FALSE;
1544 }
1545
1546 static void send_input(GtkWidget *w, gpointer data)
1547 {
1548         Children *children = (Children *) data;
1549         ChildInfo *child_info = (ChildInfo *) children->list->data;
1550
1551         child_info->tag_in = gdk_input_add(child_info->chld_in,
1552                                            GDK_INPUT_WRITE,
1553                                            catch_input, children);
1554         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1555 }
1556
1557 static gint delete_io_dialog_cb(GtkWidget *w, GdkEvent *e, gpointer data)
1558 {
1559         hide_io_dialog_cb(w, data);
1560         return TRUE;
1561 }
1562
1563 static void hide_io_dialog_cb(GtkWidget *w, gpointer data)
1564 {
1565
1566         Children *children = (Children *)data;
1567
1568         if (!children->nb) {
1569                 gtk_signal_disconnect_by_data(GTK_OBJECT(children->dialog),
1570                                               children);
1571                 gtk_widget_destroy(children->dialog);
1572                 free_children(children);
1573         }
1574 }
1575
1576 static void childinfo_close_pipes(ChildInfo *child_info)
1577 {
1578         if (child_info->tag_in > 0)
1579                 gdk_input_remove(child_info->tag_in);
1580         gdk_input_remove(child_info->tag_out);
1581         gdk_input_remove(child_info->tag_err);
1582
1583         if (child_info->chld_in >= 0)
1584                 close(child_info->chld_in);
1585         close(child_info->chld_out);
1586         close(child_info->chld_err);
1587         close(child_info->chld_status);
1588 }
1589
1590 static void free_children(Children *children)
1591 {
1592         GSList *cur;
1593         ChildInfo *child_info;
1594
1595         debug_print("Freeing children data %p\n", children);
1596
1597         g_free(children->action);
1598         for (cur = children->list; cur;) {
1599                 child_info = (ChildInfo *)cur->data;
1600                 g_free(child_info->cmd);
1601                 g_string_free(child_info->output, TRUE);
1602                 children->list = g_slist_remove(children->list, child_info);
1603                 g_free(child_info);
1604                 cur = children->list;
1605         }
1606         g_free(children);
1607 }
1608
1609 static void update_io_dialog(Children *children)
1610 {
1611         GSList *cur;
1612
1613         debug_print("Updating actions input/output dialog.\n");
1614
1615         if (!children->nb) {
1616                 gtk_widget_set_sensitive(children->abort_btn, FALSE);
1617                 gtk_widget_set_sensitive(children->close_btn, TRUE);
1618                 if (children->input_hbox)
1619                         gtk_widget_set_sensitive(children->input_hbox, FALSE);
1620         }
1621
1622         if (children->output) {
1623                 GtkWidget *text = children->text;
1624                 gchar *caption;
1625                 ChildInfo *child_info;
1626
1627                 gtk_widget_show(children->scrolledwin);
1628                 gtk_text_freeze(GTK_TEXT(text));
1629                 gtk_text_set_point(GTK_TEXT(text), 0);
1630                 gtk_text_forward_delete(GTK_TEXT(text),
1631                                         gtk_text_get_length(GTK_TEXT(text)));
1632                 for (cur = children->list; cur; cur = cur->next) {
1633                         child_info = (ChildInfo *)cur->data;
1634                         if (child_info->pid)
1635                                 caption = g_strdup_printf
1636                                         (_("--- Running: %s\n"),
1637                                          child_info->cmd);
1638                         else
1639                                 caption = g_strdup_printf
1640                                         (_("--- Ended: %s\n"),
1641                                          child_info->cmd);
1642
1643                         gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
1644                                         caption, -1);
1645                         gtk_text_insert(GTK_TEXT(text), NULL, NULL, NULL,
1646                                         child_info->output->str, -1);
1647                         g_free(caption);
1648                         child_info->new_out = FALSE;
1649                 }
1650                 gtk_text_thaw(GTK_TEXT(text));
1651         }
1652 }
1653
1654 static void create_io_dialog(Children *children)
1655 {
1656         GtkWidget *dialog;
1657         GtkWidget *vbox;
1658         GtkWidget *entry = NULL;
1659         GtkWidget *input_hbox = NULL;
1660         GtkWidget *send_button;
1661         GtkWidget *label;
1662         GtkWidget *text;
1663         GtkWidget *scrolledwin;
1664         GtkWidget *hbox;
1665         GtkWidget *abort_button;
1666         GtkWidget *close_button;
1667
1668         debug_print("Creating action IO dialog\n");
1669
1670         dialog = gtk_dialog_new();
1671         gtk_container_set_border_width
1672                 (GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), 5);
1673         gtk_window_set_position(GTK_WINDOW(dialog), GTK_WIN_POS_CENTER);
1674         gtk_window_set_title(GTK_WINDOW(dialog), _("Action's input/output"));
1675         gtk_window_set_modal(GTK_WINDOW(dialog), TRUE);
1676         manage_window_set_transient(GTK_WINDOW(dialog));
1677         gtk_signal_connect(GTK_OBJECT(dialog), "delete_event",
1678                         GTK_SIGNAL_FUNC(delete_io_dialog_cb), children);
1679         gtk_signal_connect(GTK_OBJECT(dialog), "destroy",
1680                         GTK_SIGNAL_FUNC(hide_io_dialog_cb),
1681                         children);
1682
1683         vbox = gtk_vbox_new(FALSE, 8);
1684         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->vbox), vbox);
1685         gtk_container_set_border_width(GTK_CONTAINER(vbox), 8);
1686         gtk_widget_show(vbox);
1687
1688         label = gtk_label_new(children->action);
1689         gtk_box_pack_start(GTK_BOX(vbox), label, FALSE, FALSE, 0);
1690         gtk_widget_show(label);
1691
1692         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
1693         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
1694                                        GTK_POLICY_NEVER, GTK_POLICY_ALWAYS);
1695         gtk_box_pack_start(GTK_BOX(vbox), scrolledwin, TRUE, TRUE, 0);
1696         gtk_widget_set_usize(scrolledwin, 480, 200);
1697         gtk_widget_hide(scrolledwin);
1698
1699         text = gtk_text_new(gtk_scrolled_window_get_hadjustment
1700                             (GTK_SCROLLED_WINDOW(scrolledwin)),
1701                             gtk_scrolled_window_get_vadjustment
1702                             (GTK_SCROLLED_WINDOW(scrolledwin)));
1703         gtk_text_set_editable(GTK_TEXT(text), FALSE);
1704         gtk_container_add(GTK_CONTAINER(scrolledwin), text);
1705         gtk_widget_show(text);
1706
1707         if (children->open_in) {
1708                 input_hbox = gtk_hbox_new(FALSE, 8);
1709                 gtk_widget_show(input_hbox);
1710
1711                 entry = gtk_entry_new();
1712                 gtk_widget_set_usize(entry, 320, -1);
1713                 gtk_signal_connect(GTK_OBJECT(entry), "activate",
1714                                    GTK_SIGNAL_FUNC(send_input), children);
1715                 gtk_box_pack_start(GTK_BOX(input_hbox), entry, TRUE, TRUE, 0);
1716                 if (children->open_in & ACTION_HIDE_IN)
1717                         gtk_entry_set_visibility(GTK_ENTRY(entry), FALSE);
1718                 gtk_widget_show(entry);
1719
1720                 send_button = gtk_button_new_with_label(_(" Send "));
1721                 gtk_signal_connect(GTK_OBJECT(send_button), "clicked",
1722                                    GTK_SIGNAL_FUNC(send_input), children);
1723                 gtk_box_pack_start(GTK_BOX(input_hbox), send_button, FALSE,
1724                                    FALSE, 0);
1725                 gtk_widget_show(send_button);
1726
1727                 gtk_box_pack_start(GTK_BOX(vbox), input_hbox, FALSE, FALSE, 0);
1728                 gtk_widget_grab_focus(entry);
1729         }
1730
1731         gtkut_button_set_create(&hbox, &abort_button, _("Abort"),
1732                                 &close_button, _("Close"), NULL, NULL);
1733         gtk_signal_connect(GTK_OBJECT(abort_button), "clicked",
1734                         GTK_SIGNAL_FUNC(kill_children_cb), children);
1735         gtk_signal_connect(GTK_OBJECT(close_button), "clicked",
1736                         GTK_SIGNAL_FUNC(hide_io_dialog_cb), children);
1737         gtk_widget_show(hbox);
1738
1739         if (children->nb)
1740                 gtk_widget_set_sensitive(close_button, FALSE);
1741
1742         gtk_container_add(GTK_CONTAINER(GTK_DIALOG(dialog)->action_area), hbox);
1743
1744         children->dialog      = dialog;
1745         children->scrolledwin = scrolledwin;
1746         children->text        = text;
1747         children->input_hbox  = children->open_in ? input_hbox : NULL;
1748         children->input_entry = children->open_in ? entry : NULL;
1749         children->abort_btn   = abort_button;
1750         children->close_btn   = close_button;
1751
1752         gtk_widget_show(dialog);
1753 }
1754
1755 static void catch_status(gpointer data, gint source, GdkInputCondition cond)
1756 {
1757         ChildInfo *child_info = (ChildInfo *)data;
1758         gchar buf;
1759         gint c;
1760
1761         gdk_input_remove(child_info->tag_status);
1762
1763         c = read(source, &buf, 1);
1764         debug_print("Child returned %c\n", buf);
1765
1766         waitpid(-child_info->pid, NULL, 0);
1767         childinfo_close_pipes(child_info);
1768         child_info->pid = 0;
1769
1770         wait_for_children(child_info->children);
1771 }
1772
1773 static void catch_input(gpointer data, gint source, GdkInputCondition cond)
1774 {
1775         Children *children = (Children *)data;
1776         ChildInfo *child_info = (ChildInfo *)children->list->data;
1777         gchar *input;
1778         gint c;
1779
1780         debug_print("Sending input to grand child.\n");
1781         if (!(cond && GDK_INPUT_WRITE))
1782                 return;
1783
1784         gdk_input_remove(child_info->tag_in);
1785         child_info->tag_in = -1;
1786
1787         input = gtk_editable_get_chars(GTK_EDITABLE(children->input_entry),
1788                                        0, -1);
1789         c = write(child_info->chld_in, input, strlen(input));
1790
1791         g_free(input);
1792
1793         write(child_info->chld_in, "\n", 2);
1794
1795         gtk_entry_set_text(GTK_ENTRY(children->input_entry), "");
1796         gtk_widget_set_sensitive(children->input_hbox, TRUE);
1797         debug_print("Input to grand child sent.\n");
1798 }
1799
1800 static void catch_output(gpointer data, gint source, GdkInputCondition cond)
1801 {
1802         ChildInfo *child_info = (ChildInfo *)data;
1803         gint c, i;
1804         gchar buf[PREFSBUFSIZE];
1805
1806         debug_print("Catching grand child's output.\n");
1807         if (child_info->type & (ACTION_PIPE_OUT | ACTION_INSERT)
1808             && source == child_info->chld_out) {
1809                 gboolean is_selection = FALSE;
1810                 GtkWidget *text = child_info->text;
1811                 if (GTK_EDITABLE(text)->has_selection)
1812                         is_selection = TRUE;
1813                 gtk_stext_freeze(GTK_STEXT(text));
1814                 while (TRUE) {
1815                         c = read(source, buf, PREFSBUFSIZE - 1);
1816                         if (c == 0)
1817                                 break;
1818                         gtk_stext_insert(GTK_STEXT(text), child_info->msgfont,
1819                                          NULL, NULL, buf, c);
1820                 }
1821                 if (is_selection) {
1822                         /* Using the select_region draws things. Should not.
1823                          * so we just change selection position and
1824                          * defere drawing when thawing. Hack?
1825                          */
1826                         GTK_EDITABLE(text)->selection_end_pos =
1827                                         gtk_stext_get_point(GTK_STEXT(text));
1828                 }
1829                 gtk_stext_thaw(GTK_STEXT(child_info->text));
1830         } else {
1831                 c = read(source, buf, PREFSBUFSIZE - 1);
1832                 for (i = 0; i < c; i++)
1833                         child_info->output = g_string_append_c
1834                                 (child_info->output, buf[i]);
1835                 if (c > 0)
1836                         child_info->new_out = TRUE;
1837         }
1838         wait_for_children(child_info->children);
1839 }