src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2007 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtknotebook.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtkvpaned.h>
  35 #include <gtk/gtktext.h>
  36 #include <gtk/gtksignal.h>
  37 #include <gtk/gtkmenu.h>
  38 #include <gtk/gtkdnd.h>
  39 #include <gtk/gtkselection.h>
  40 #include <gtk/gtktooltips.h>
  41 #include <gtk/gtkcontainer.h>
  42 #include <gtk/gtkbutton.h>
  43 #include <stdio.h>
  44
  45 #ifndef HAVE_APACHE_FNMATCH
  46 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  47  * fnmatch.h */
  48 #include <fnmatch.h>
  49 #endif
  50
  51 #include "main.h"
  52 #include "mimeview.h"
  53 #include "textview.h"
  54 #include "procmime.h"
  55 #include "summaryview.h"
  56 #include "menu.h"
  57 #include "filesel.h"
  58 #include "alertpanel.h"
  59 #include "inputdialog.h"
  60 #include "utils.h"
  61 #include "gtkutils.h"
  62 #include "prefs_common.h"
  63 #include "procheader.h"
  64 #include "stock_pixmap.h"
  65 #include "gtk/gtkvscrollbutton.h"
  66 #include "gtk/logwindow.h"
  67 #include "timing.h"
  68
  69 typedef enum
  70 {
  71         COL_MIMETYPE = 0,
  72         COL_SIZE     = 1,
  73         COL_NAME     = 2
  74 } MimeViewColumnPos;
  75
  76 #define N_MIMEVIEW_COLS 3
  77
  78 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  79                                                  MimeInfo       *mimeinfo,
  80                                                  GtkCTreeNode   *parent);
  81 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  82                                                  MimeInfo       *partinfo,
  83                                                  GtkCTreeNode   *parent);
  84 static void mimeview_show_message_part          (MimeView       *mimeview,
  85                                                  MimeInfo       *partinfo);
  86 static void mimeview_change_view_type           (MimeView       *mimeview,
  87                                                  MimeViewType    type);
  88 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
  89                                                  const gchar    *basedir,
  90                                                  gint            number);
  91 static gboolean mimeview_write_part             (const gchar    *filename,
  92                                                  MimeInfo       *partinfo);
  93
  94 static void mimeview_selected           (GtkCTree       *ctree,
  95                                          GtkCTreeNode   *node,
  96                                          gint            column,
  97                                          MimeView       *mimeview);
  98 static void mimeview_start_drag         (GtkWidget      *widget,
  99                                          gint            button,
 100                                          GdkEvent       *event,
 101                                          MimeView       *mimeview);
 102 static gint mimeview_button_pressed     (GtkWidget      *widget,
 103                                          GdkEventButton *event,
 104                                          MimeView       *mimeview);
 105 static gint mimeview_key_pressed        (GtkWidget      *widget,
 106                                          GdkEventKey    *event,
 107                                          MimeView       *mimeview);
 108
 109 static void mimeview_drag_data_get      (GtkWidget        *widget,
 110                                          GdkDragContext   *drag_context,
 111                                          GtkSelectionData *selection_data,
 112                                          guint             info,
 113                                          guint             time,
 114                                          MimeView         *mimeview);
 115
 116 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 117                                          GdkEventScroll *event,
 118                                          MimeView       *mimeview);
 119 static void mimeview_display_as_text    (MimeView       *mimeview);
 120 static void mimeview_save_as            (MimeView       *mimeview);
 121 static void mimeview_save_all           (MimeView       *mimeview);
 122 static void mimeview_launch             (MimeView       *mimeview,
 123                                          MimeInfo       *partinfo);
 124 static void mimeview_open_with          (MimeView       *mimeview);
 125 static void mimeview_open_part_with     (MimeView       *mimeview,
 126                                          MimeInfo       *partinfo,
 127                                          gboolean        automatic);
 128 static void mimeview_select_next_part   (MimeView       *mimeview);
 129 static void mimeview_select_prev_part   (MimeView       *mimeview);
 130 static void mimeview_view_file          (const gchar    *filename,
 131                                          MimeInfo       *partinfo,
 132                                          const gchar    *cmd,
 133                                          MimeView       *mimeview);
 134 static gboolean icon_clicked_cb         (GtkWidget      *button,
 135                                          GdkEventButton *event,
 136                                          MimeView       *mimeview);
 137 static void icon_selected               (MimeView       *mimeview,
 138                                          gint            num,
 139                                          MimeInfo       *partinfo);
 140 static gint icon_key_pressed            (GtkWidget      *button,
 141                                          GdkEventKey    *event,
 142                                          MimeView       *mimeview);
 143 static void icon_list_append_icon       (MimeView       *mimeview,
 144                                          MimeInfo       *mimeinfo);
 145 static void icon_list_create            (MimeView       *mimeview,
 146                                          MimeInfo       *mimeinfo);
 147 static void icon_list_clear             (MimeView       *mimeview);
 148 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 149                                            MimeInfo     *mimeinfo);
 150 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 151                                     MimeView *mimeview);
 152 static gboolean part_button_pressed     (MimeView       *mimeview,
 153                                          GdkEventButton *event,
 154                                          MimeInfo       *partinfo);
 155 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 156                                          GtkAllocation  *layout_size,
 157                                          MimeView       *mimeview);
 158 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 159
 160 static void mimeview_launch_cb(MimeView *mimeview)
 161 {
 162         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 163 }
 164 static GtkItemFactoryEntry mimeview_popup_entries[] =
 165 {
 166         {N_("/_Open (l)"),                NULL, mimeview_launch_cb,       0, NULL},
 167         {N_("/Open _with (o)..."),        NULL, mimeview_open_with,       0, NULL},
 168         {N_("/_Display as text (t)"),     NULL, mimeview_display_as_text, 0, NULL},
 169         {N_("/_Save as (y)..."),          NULL, mimeview_save_as,         0, NULL},
 170         {N_("/Save _all..."),             NULL, mimeview_save_all,        0, NULL},
 171         {N_("/Next part (a)"),            NULL, mimeview_select_next_part,0, NULL},
 172 };
 173
 174 static GtkTargetEntry mimeview_mime_types[] =
 175 {
 176         {"text/uri-list", 0, 0}
 177 };
 178
 179 GSList *mimeviewer_factories;
 180 GSList *mimeviews;
 181
 182 static GdkCursor *hand_cursor = NULL;
 183
 184 static gboolean mimeview_visi_notify(GtkWidget *widget,
 185                                        GdkEventVisibility *event,
 186                                        MimeView *mimeview)
 187 {
 188         gdk_window_set_cursor(widget->window, hand_cursor);
 189         return FALSE;
 190 }
 191
 192 static gboolean mimeview_leave_notify(GtkWidget *widget,
 193                                       GdkEventCrossing *event,
 194                                       MimeView *mimeview)
 195 {
 196         gdk_window_set_cursor(widget->window, NULL);
 197         return FALSE;
 198 }
 199
 200 static gboolean mimeview_enter_notify(GtkWidget *widget,
 201                                       GdkEventCrossing *event,
 202                                       MimeView *mimeview)
 203 {
 204         gdk_window_set_cursor(widget->window, hand_cursor);
 205         return FALSE;
 206 }
 207
 208 MimeView *mimeview_create(MainWindow *mainwin)
 209 {
 210         MimeView *mimeview;
 211
 212         GtkWidget *paned;
 213         GtkWidget *scrolledwin;
 214         GtkWidget *ctree;
 215         GtkWidget *mime_notebook;
 216         GtkWidget *popupmenu;
 217         GtkWidget *ctree_mainbox;
 218         GtkWidget *vbox;
 219         GtkWidget *mime_toggle;
 220         GtkWidget *icon_mainbox;
 221         GtkWidget *icon_scroll;
 222         GtkWidget *icon_vbox;
 223         GtkWidget *arrow;
 224         GtkWidget *scrollbutton;
 225         GtkWidget *hbox;
 226         GtkTooltips *tooltips;
 227         GtkItemFactory *popupfactory;
 228         NoticeView *siginfoview;
 229         gchar *titles[N_MIMEVIEW_COLS];
 230         gint n_entries;
 231         gint i;
 232
 233         if (!hand_cursor)
 234                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 235
 236         debug_print("Creating MIME view...\n");
 237         mimeview = g_new0(MimeView, 1);
 238
 239         titles[COL_MIMETYPE] = _("MIME Type");
 240         titles[COL_SIZE]     = _("Size");
 241         titles[COL_NAME]     = _("Name");
 242
 243         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 244         gtk_widget_show(scrolledwin);
 245         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 246                                        GTK_POLICY_AUTOMATIC,
 247                                        GTK_POLICY_AUTOMATIC);
 248
 249         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 250         gtk_widget_show(ctree);
 251         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 252         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 253         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 254                                            GTK_JUSTIFY_RIGHT);
 255         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 256         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 257         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 258                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 259                                        GTK_CAN_FOCUS);
 260         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 261
 262         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 263                          G_CALLBACK(mimeview_selected), mimeview);
 264         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 265                          G_CALLBACK(mimeview_button_pressed), mimeview);
 266         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 267                          G_CALLBACK(mimeview_key_pressed), mimeview);
 268         g_signal_connect(G_OBJECT (ctree),"start_drag",
 269                          G_CALLBACK (mimeview_start_drag), mimeview);
 270         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 271                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 272
 273         mime_notebook = gtk_notebook_new();
 274         gtk_widget_show(mime_notebook);
 275         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 276         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 277         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 278
 279         icon_vbox = gtk_vbox_new(FALSE, 2);
 280         gtk_widget_show(icon_vbox);
 281         icon_scroll = gtk_layout_new(NULL, NULL);
 282         gtk_widget_show(icon_scroll);
 283         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 284         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 285         gtk_widget_show(scrollbutton);
 286
 287         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 288                          G_CALLBACK(mimeview_scrolled), mimeview);
 289
 290         mime_toggle = gtk_event_box_new();
 291         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 292
 293         g_signal_connect(G_OBJECT(mime_toggle), "visibility-notify-event",
 294                          G_CALLBACK(mimeview_visi_notify), mimeview);
 295         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 296                          G_CALLBACK(mimeview_visi_notify), mimeview);
 297         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 298                          G_CALLBACK(mimeview_leave_notify), mimeview);
 299         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 300                          G_CALLBACK(mimeview_enter_notify), mimeview);
 301
 302         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 303         gtk_widget_show(mime_toggle);
 304         mimeview->ctree_mode = FALSE;
 305         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 306         gtk_widget_show(arrow);
 307         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 308         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 309                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 310
 311         icon_mainbox = gtk_vbox_new(FALSE, 0);
 312         gtk_widget_show(icon_mainbox);
 313         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 314         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 315         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 316         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 317         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 318                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 319
 320         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 321         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 322
 323         n_entries = sizeof(mimeview_popup_entries) /
 324                 sizeof(mimeview_popup_entries[0]);
 325         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 326                                       "<MimeView>", &popupfactory, mimeview);
 327         tooltips = gtk_tooltips_new();
 328
 329         vbox = gtk_vbox_new(FALSE, 0);
 330         gtk_widget_show(vbox);
 331         siginfoview = noticeview_create(mainwin);
 332         noticeview_hide(siginfoview);
 333         noticeview_set_icon_clickable(siginfoview, TRUE);
 334         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 335         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 336
 337         paned = gtk_vpaned_new();
 338         gtk_widget_show(paned);
 339         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 340         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 341         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 342
 343         hbox = gtk_hbox_new(FALSE, 0);
 344         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 345         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 346
 347         gtk_widget_show(hbox);
 348         gtk_widget_hide(ctree_mainbox);
 349 #ifdef MAEMO
 350         gtk_widget_set_size_request(mime_toggle, -1, arrow->requisition.height + 8);
 351 #endif
 352         mimeview->hbox          = hbox;
 353         mimeview->paned         = paned;
 354         mimeview->scrolledwin   = scrolledwin;
 355         mimeview->ctree         = ctree;
 356         mimeview->mime_notebook = mime_notebook;
 357         mimeview->popupmenu     = popupmenu;
 358         mimeview->popupfactory  = popupfactory;
 359         mimeview->type          = -1;
 360         mimeview->ctree_mainbox = ctree_mainbox;
 361         mimeview->icon_scroll   = icon_scroll;
 362         mimeview->icon_vbox     = icon_vbox;
 363         mimeview->icon_mainbox  = icon_mainbox;
 364         mimeview->icon_count    = 0;
 365         mimeview->mainwin       = mainwin;
 366         mimeview->tooltips      = tooltips;
 367         mimeview->oldsize       = 60;
 368         mimeview->mime_toggle   = mime_toggle;
 369         mimeview->siginfoview   = siginfoview;
 370         mimeview->scrollbutton  = scrollbutton;
 371         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 372
 373         mimeviews = g_slist_prepend(mimeviews, mimeview);
 374
 375         return mimeview;
 376 }
 377
 378 void mimeview_init(MimeView *mimeview)
 379 {
 380         textview_init(mimeview->textview);
 381
 382         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 383                 GTK_WIDGET_PTR(mimeview->textview));
 384 }
 385
 386 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 387 {
 388         while (mimeinfo) {
 389                 if (privacy_mimeinfo_is_signed(mimeinfo))
 390                         return TRUE;
 391                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 392         }
 393
 394         return FALSE;
 395 }
 396
 397 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 398                            const gchar *file)
 399 {
 400         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 401         GtkCTreeNode *node;
 402
 403         mimeview_clear(mimeview);
 404
 405         g_return_if_fail(file != NULL);
 406         g_return_if_fail(mimeinfo != NULL);
 407
 408         mimeview->mimeinfo = mimeinfo;
 409
 410         mimeview->file = g_strdup(file);
 411
 412         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 413                                         mimeview);
 414
 415         /* check if the mail's signed - it can change the mail structure */
 416
 417         if (any_part_is_signed(mimeinfo))
 418                 debug_print("signed mail\n");
 419
 420         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 421         icon_list_clear(mimeview);
 422         icon_list_create(mimeview, mimeinfo);
 423
 424         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 425                                           mimeview_selected, mimeview);
 426
 427         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 428         if (node) {
 429                 gtk_ctree_select(ctree, node);
 430                 icon_list_toggle_by_mime_info
 431                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 432                 gtkut_ctree_set_focus_row(ctree, node);
 433         }
 434 }
 435
 436 #ifdef USE_PTHREAD
 437 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 438 #endif
 439
 440 static void mimeview_free_mimeinfo(MimeView *mimeview)
 441 {
 442         gboolean defer = FALSE;
 443 #ifdef USE_PTHREAD
 444         defer = (mimeview->check_data != NULL);
 445         if (defer)
 446                 mimeview->check_data->free_after_use = TRUE;
 447 #endif
 448         if (mimeview->mimeinfo != NULL && !defer) {
 449                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 450                 mimeview->mimeinfo = NULL;
 451         } else if (defer) {
 452 #ifdef USE_PTHREAD
 453                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 454                 mimeview_check_sig_cancel_now(mimeview);
 455 #endif
 456         }
 457 }
 458
 459 void mimeview_destroy(MimeView *mimeview)
 460 {
 461         GSList *cur;
 462
 463         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 464                 MimeViewer *viewer = (MimeViewer *) cur->data;
 465                 viewer->destroy_viewer(viewer);
 466         }
 467         g_slist_free(mimeview->viewers);
 468         gtk_target_list_unref(mimeview->target_list);
 469
 470         mimeview_free_mimeinfo(mimeview);
 471 #ifdef USE_PTHREAD
 472         if (mimeview->check_data) {
 473                 mimeview->check_data->destroy_mimeview = TRUE;
 474                 debug_print("deferring destroy\n");
 475         } else
 476 #endif
 477         {
 478                 g_free(mimeview->file);
 479                 g_free(mimeview);
 480                 mimeviews = g_slist_remove(mimeviews, mimeview);
 481         }
 482
 483 }
 484
 485 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 486 {
 487         return gtk_ctree_node_get_row_data
 488                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 489 }
 490
 491 gint mimeview_get_selected_part_num(MimeView *mimeview)
 492 {
 493         gint i = 0;
 494         GList *rows = GTK_CLIST(mimeview->ctree)->row_list;
 495         while (rows) {
 496                 if (mimeview->opened == GTK_CTREE_NODE(rows))
 497                         return i;
 498                 i++;
 499                 rows = rows->next;
 500         }
 501         return -1;
 502 }
 503
 504 void mimeview_select_part_num(MimeView *mimeview, gint i)
 505 {
 506         if (i < 0)
 507                 return;
 508         gtk_clist_unselect_all(GTK_CLIST(mimeview->ctree));
 509         gtk_clist_select_row(GTK_CLIST(mimeview->ctree), i, -1);
 510         gtkut_clist_set_focus_row(GTK_CLIST(mimeview->ctree), i);
 511 }
 512
 513 static void mimeview_set_multipart_tree(MimeView *mimeview,
 514                                         MimeInfo *mimeinfo,
 515                                         GtkCTreeNode *parent)
 516 {
 517         GtkCTreeNode *node;
 518
 519         g_return_if_fail(mimeinfo != NULL);
 520
 521         while (mimeinfo != NULL) {
 522                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 523
 524                 if (mimeinfo->node->children)
 525                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 526                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 527         }
 528 }
 529
 530 static const gchar *get_real_part_name(MimeInfo *partinfo)
 531 {
 532         const gchar *name = NULL;
 533
 534         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 535         if (name == NULL)
 536                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 537
 538         return name;
 539 }
 540
 541 static const gchar *get_part_name(MimeInfo *partinfo)
 542 {
 543         const gchar *name;
 544
 545         name = get_real_part_name(partinfo);
 546         if (name == NULL)
 547                 name = "";
 548
 549         return name;
 550 }
 551
 552 static const gchar *get_part_description(MimeInfo *partinfo)
 553 {
 554         if (partinfo->description)
 555                 return partinfo->description;
 556         else
 557                 return get_part_name(partinfo);
 558 }
 559
 560 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 561                                           MimeInfo *partinfo,
 562                                           GtkCTreeNode *parent)
 563 {
 564         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 565         GtkCTreeNode *node;
 566         static gchar content_type[64];
 567         gchar *str[N_MIMEVIEW_COLS];
 568
 569         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 570                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 571         } else {
 572                 g_snprintf(content_type, 64, "UNKNOWN");
 573         }
 574
 575         str[COL_MIMETYPE] = content_type;
 576         str[COL_SIZE] = to_human_readable(partinfo->length);
 577         if (prefs_common.attach_desc)
 578                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 579         else
 580                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 581
 582         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 583                                      NULL, NULL, NULL, NULL,
 584                                      FALSE, TRUE);
 585         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 586
 587         return node;
 588 }
 589
 590 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 591 {
 592         FILE *fp;
 593         const gchar *fname;
 594
 595         if (!partinfo) return;
 596
 597         fname = mimeview->file;
 598         if (!fname) return;
 599
 600         if ((fp = g_fopen(fname, "rb")) == NULL) {
 601                 FILE_OP_ERROR(fname, "fopen");
 602                 return;
 603         }
 604
 605         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 606                 FILE_OP_ERROR(mimeview->file, "fseek");
 607                 fclose(fp);
 608                 return;
 609         }
 610
 611         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 612         textview_show_part(mimeview->textview, partinfo, fp);
 613
 614         fclose(fp);
 615 }
 616
 617 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 618 {
 619         GSList *cur;
 620         MimeViewerFactory *factory = NULL;
 621         MimeViewer *viewer = NULL;
 622
 623 /*
 624  * FNM_CASEFOLD is a GNU extension
 625  * if its not defined copy the string to the stack and
 626  * convert the copy to lower case
 627  */
 628 #ifndef FNM_CASEFOLD
 629 #define FNM_CASEFOLD 0
 630         Xstrdup_a(content_type, content_type, return NULL);
 631         g_strdown((gchar *)content_type);
 632 #endif
 633
 634         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 635                 MimeViewerFactory *curfactory = cur->data;
 636                 gint i = 0;
 637
 638                 while (curfactory->content_types[i] != NULL) {
 639                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 640                                 debug_print("%s\n", curfactory->content_types[i]);
 641                                 factory = curfactory;
 642                                 break;
 643                         }
 644                         i++;
 645                 }
 646                 if (factory != NULL)
 647                         break;
 648         }
 649         if (factory == NULL)
 650                 return NULL;
 651
 652         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 653                 MimeViewer *curviewer = cur->data;
 654
 655                 if (curviewer->factory == factory)
 656                         return curviewer;
 657         }
 658         viewer = factory->create_viewer();
 659         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 660                 GTK_WIDGET(viewer->get_widget(viewer)));
 661
 662         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 663
 664         return viewer;
 665 }
 666
 667 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 668 {
 669         gchar *content_type = NULL;
 670         MimeViewer *viewer = NULL;
 671
 672         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 673             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 674                 const gchar *filename;
 675
 676                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 677                 if (filename == NULL)
 678                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 679                 if (filename != NULL)
 680                         content_type = procmime_get_mime_type(filename);
 681         } else {
 682                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 683         }
 684
 685         if (content_type != NULL) {
 686                 viewer = get_viewer_for_content_type(mimeview, content_type);
 687                 g_free(content_type);
 688         }
 689
 690         return viewer;
 691 }
 692
 693 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 694 {
 695         MimeViewer *viewer;
 696
 697         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 698         if (viewer == NULL) {
 699                 if (mimeview->mimeviewer != NULL)
 700                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 701                 mimeview->mimeviewer = NULL;
 702                 return FALSE;
 703         }
 704
 705         if (mimeview->mimeviewer != NULL)
 706                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 707
 708         if (mimeview->mimeviewer != viewer) {
 709                 mimeview->mimeviewer = viewer;
 710                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 711         }
 712         viewer->mimeview = mimeview;
 713         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 714
 715         return TRUE;
 716 }
 717
 718 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 719 {
 720         TextView  *textview  = mimeview->textview;
 721         GtkWidget *focused = NULL;
 722
 723         if (mainwindow_get_mainwindow())
 724                 focused = gtkut_get_focused_child(
 725                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 726
 727         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 728             (mimeview->type == type)) return;
 729
 730         switch (type) {
 731         case MIMEVIEW_TEXT:
 732                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 733                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 734                         GTK_WIDGET_PTR(textview)));
 735                 break;
 736         case MIMEVIEW_VIEWER:
 737                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 738                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 739                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 740                 break;
 741         default:
 742                 return;
 743         }
 744         if (focused)
 745                 gtk_widget_grab_focus(focused);
 746         mimeview->type = type;
 747 }
 748
 749 void mimeview_clear(MimeView *mimeview)
 750 {
 751         GtkCList *clist = NULL;
 752
 753         if (!mimeview)
 754                 return;
 755
 756         if (g_slist_find(mimeviews, mimeview) == NULL)
 757                 return;
 758
 759         clist = GTK_CLIST(mimeview->ctree);
 760
 761         noticeview_hide(mimeview->siginfoview);
 762
 763         gtk_clist_clear(clist);
 764         textview_clear(mimeview->textview);
 765         if (mimeview->mimeviewer != NULL)
 766                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 767
 768         mimeview_free_mimeinfo(mimeview);
 769
 770         mimeview->mimeinfo = NULL;
 771
 772         mimeview->opened = NULL;
 773
 774         g_free(mimeview->file);
 775         mimeview->file = NULL;
 776
 777         icon_list_clear(mimeview);
 778         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 779 }
 780
 781 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 782 void mimeview_check_signature(MimeView *mimeview);
 783 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 784
 785 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 786                                         gboolean special, SignatureStatus code)
 787 {
 788         gchar *text = NULL, *button_text = NULL;
 789         void  *func = NULL;
 790         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 791         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 792
 793         g_return_if_fail(mimeview != NULL);
 794         g_return_if_fail(mimeinfo != NULL);
 795
 796         if (special)
 797                 mycode = code;
 798         else
 799                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 800
 801         switch (mycode) {
 802         case SIGNATURE_UNCHECKED:
 803                 button_text = _("Check signature");
 804                 func = check_signature_cb;
 805                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 806                 break;
 807         case SIGNATURE_OK:
 808                 button_text = _("View full information");
 809                 func = display_full_info_cb;
 810                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 811                 break;
 812         case SIGNATURE_WARN:
 813                 button_text = _("View full information");
 814                 func = display_full_info_cb;
 815                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 816                 break;
 817         case SIGNATURE_INVALID:
 818                 button_text = _("View full information");
 819                 func = display_full_info_cb;
 820                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 821                 break;
 822         case SIGNATURE_CHECK_FAILED:
 823                 button_text = _("Check again");
 824                 func = check_signature_cb;
 825                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 826         case SIGNATURE_CHECK_TIMEOUT:
 827                 button_text = _("Check again");
 828                 func = check_signature_cb;
 829                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 830         default:
 831                 break;
 832         }
 833         if (mycode == SIGNATURE_UNCHECKED) {
 834                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 835                 text = g_strdup_printf("%s %s",
 836                         tmp, _("Click the icon or hit 'C' to check it."));
 837                 g_free(tmp);
 838         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 839                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 840         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 841                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 842         }
 843
 844         noticeview_set_text(mimeview->siginfoview, text);
 845         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 846
 847         g_free(text);
 848         noticeview_set_button_text(mimeview->siginfoview, NULL);
 849         noticeview_set_button_press_callback(
 850                 mimeview->siginfoview,
 851                 G_CALLBACK(func),
 852                 (gpointer) mimeview);
 853         noticeview_set_icon(mimeview->siginfoview, icon);
 854         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 855 }
 856
 857 #ifdef USE_PTHREAD
 858
 859 /* reset all thread stuff, and do the cleanups we've been left to do */
 860 static void mimeview_check_data_reset(MimeView *mimeview)
 861 {
 862         if (!mimeview->check_data)
 863                 return;
 864
 865         if (mimeview->check_data->free_after_use) {
 866                 debug_print("freeing deferred mimeinfo\n");
 867                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 868         }
 869         if (mimeview->check_data->destroy_mimeview) {
 870                 debug_print("freeing deferred mimeview\n");
 871                 g_free(mimeview->file);
 872                 g_free(mimeview);
 873                 mimeviews = g_slist_remove(mimeviews, mimeview);
 874         }
 875
 876         g_free(mimeview->check_data);
 877         mimeview->check_data = NULL;
 878 }
 879
 880 /* GUI update once the checker thread is done or killed */
 881 static gboolean mimeview_check_sig_thread_cb(void *data)
 882 {
 883         MimeView *mimeview = (MimeView *) data;
 884         MimeInfo *mimeinfo = mimeview->siginfo;
 885
 886         debug_print("mimeview_check_sig_thread_cb\n");
 887
 888         if (mimeinfo == NULL) {
 889                 /* message changed !? */
 890                 g_warning("no more siginfo!\n");
 891                 goto end;
 892         }
 893
 894         if (!mimeview->check_data) {
 895                 g_warning("nothing to check\n");
 896                 return FALSE;
 897         }
 898
 899         if (mimeview->check_data->siginfo != mimeinfo) {
 900                 /* message changed !? */
 901                 g_warning("different siginfo!\n");
 902                 goto end;
 903         }
 904
 905         if (mimeview->check_data->destroy_mimeview ||
 906             mimeview->check_data->free_after_use) {
 907                 debug_print("not bothering, we're changing message\n");
 908                 goto end;
 909         }
 910
 911         /* update status */
 912         if (mimeview->check_data->timeout)
 913                 update_signature_noticeview(mimeview, mimeview->siginfo,
 914                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 915         else
 916                 update_signature_noticeview(mimeview, mimeview->siginfo,
 917                         FALSE, 0);
 918         icon_list_clear(mimeview);
 919         icon_list_create(mimeview, mimeview->mimeinfo);
 920
 921 end:
 922         mimeview_check_data_reset(mimeview);
 923         return FALSE;
 924 }
 925
 926 /* sig checker thread */
 927 static void *mimeview_check_sig_worker_thread(void *data)
 928 {
 929         MimeView *mimeview = (MimeView *)data;
 930         MimeInfo *mimeinfo = mimeview->siginfo;
 931
 932         debug_print("checking...\n");
 933
 934         if (!mimeview->check_data)
 935                 return NULL;
 936
 937         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
 938                 privacy_mimeinfo_check_signature(mimeinfo);
 939         else {
 940                 /* that's strange! we changed message without
 941                  * getting killed. */
 942                 g_warning("different siginfo!\n");
 943                 mimeview_check_data_reset(mimeview);
 944                 return NULL;
 945         }
 946
 947         /* use g_timeout so that GUI updates is done from the
 948          * correct thread */
 949         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 950
 951         return NULL;
 952 }
 953
 954 /* killer thread - acts when the checker didn't work fast
 955  * enough. */
 956 static void *mimeview_check_sig_cancel_thread(void *data)
 957 {
 958         MimeView *mimeview = (MimeView *)data;
 959
 960         if (!mimeview->check_data)
 961                 return NULL; /* nothing to kill ! */
 962
 963         /* wait for a few seconds... */
 964         debug_print("waiting a while\n");
 965
 966         sleep(5);
 967
 968         if (!mimeview->check_data)
 969                 return NULL; /* nothing to kill, it's done in time :) */
 970
 971         /* too late, go away checker thread */
 972         debug_print("killing checker thread\n");
 973         pthread_cancel(mimeview->check_data->th);
 974
 975         /* tell upstream it was a timeout */
 976         mimeview->check_data->timeout = TRUE;
 977         /* use g_timeout so that GUI updates is done from the
 978          * correct thread */
 979         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 980
 981         return NULL;
 982 }
 983
 984 /* get rid of the checker thread right now - used when changing the
 985  * displayed message for example. */
 986 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
 987 {
 988         if (!mimeview->check_data)
 989                 return;
 990         debug_print("killing checker thread NOW\n");
 991         pthread_cancel(mimeview->check_data->th);
 992
 993         /* tell upstream it was a timeout */
 994         mimeview->check_data->timeout = TRUE;
 995         mimeview_check_sig_thread_cb(mimeview);
 996         return;
 997 }
 998
 999 /* creates a thread to check the signature, and a second one
1000  * to kill the first one after a timeout */
1001 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1002 {
1003         pthread_t th, th2;
1004         pthread_attr_t detach, detach2;
1005
1006         if (mimeview->check_data) {
1007                 g_warning("already checking it");
1008                 return;
1009         }
1010
1011         mimeview->check_data = g_new0(SigCheckData, 1);
1012         mimeview->check_data->siginfo = mimeview->siginfo;
1013         debug_print("creating thread\n");
1014
1015         pthread_attr_init(&detach);
1016         pthread_attr_setdetachstate(&detach, TRUE);
1017
1018         pthread_attr_init(&detach2);
1019         pthread_attr_setdetachstate(&detach2, TRUE);
1020
1021         /* create the checker thread */
1022         if (pthread_create(&th, &detach,
1023                         mimeview_check_sig_worker_thread,
1024                         mimeview) != 0) {
1025                 /* arh. We'll do it synchronously. */
1026                 g_warning("can't create thread");
1027                 g_free(mimeview->check_data);
1028                 mimeview->check_data = NULL;
1029                 return;
1030         } else
1031                 mimeview->check_data->th = th;
1032
1033         /* create the killer thread */
1034         pthread_create(&th2, &detach2,
1035                         mimeview_check_sig_cancel_thread,
1036                         mimeview);
1037 }
1038 #endif
1039
1040 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1041 {
1042         MimeView *mimeview = (MimeView *) user_data;
1043         MimeInfo *mimeinfo = mimeview->siginfo;
1044
1045         if (mimeinfo == NULL)
1046                 return;
1047 #ifdef USE_PTHREAD
1048         if (mimeview->check_data)
1049                 return;
1050 #endif
1051         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1052         GTK_EVENTS_FLUSH();
1053 #if (defined USE_PTHREAD && defined __GLIBC__ && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)))
1054         /* let's do it non-blocking */
1055         mimeview_check_sig_in_thread(mimeview);
1056         if (!mimeview->check_data) /* let's check syncronously */
1057 #endif
1058         {
1059                 debug_print("checking without thread\n");
1060                 privacy_mimeinfo_check_signature(mimeinfo);
1061                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1062                 icon_list_clear(mimeview);
1063                 icon_list_create(mimeview, mimeview->mimeinfo);
1064         }
1065 }
1066
1067 void mimeview_check_signature(MimeView *mimeview)
1068 {
1069         check_signature_cb(NULL, mimeview);
1070 }
1071
1072 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1073 {
1074         MimeView *mimeview = (MimeView *) user_data;
1075         GtkCTreeNode *node = mimeview->opened;
1076         mimeview->opened = NULL;
1077         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
1078 }
1079
1080 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1081 {
1082         MimeView *mimeview = (MimeView *) user_data;
1083         gchar *siginfo;
1084
1085         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1086         textview_set_text(mimeview->textview, siginfo);
1087         g_free(siginfo);
1088         noticeview_set_button_text(mimeview->siginfoview, NULL);
1089         noticeview_set_button_press_callback(
1090                 mimeview->siginfoview,
1091                 G_CALLBACK(redisplay_email),
1092                 (gpointer) mimeview);
1093         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1094 }
1095
1096 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1097 {
1098         MimeInfo *siginfo;
1099         MimeInfo *first_text;
1100
1101         g_return_if_fail(mimeview != NULL);
1102         g_return_if_fail(selected != NULL);
1103
1104         if (selected->type == MIMETYPE_MESSAGE
1105         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1106                 /* if the first text part is signed, check that */
1107                 first_text = selected;
1108                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1109                         first_text = procmime_mimeinfo_next(first_text);
1110                 }
1111                 if (first_text) {
1112                         update_signature_info(mimeview, first_text);
1113                         return;
1114                 }
1115         }
1116
1117         siginfo = selected;
1118         while (siginfo != NULL) {
1119                 if (privacy_mimeinfo_is_signed(siginfo))
1120                         break;
1121                 siginfo = procmime_mimeinfo_parent(siginfo);
1122         }
1123         mimeview->siginfo = siginfo;
1124
1125         if (siginfo == NULL) {
1126                 noticeview_hide(mimeview->siginfoview);
1127                 return;
1128         }
1129
1130         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1131         noticeview_show(mimeview->siginfoview);
1132 }
1133
1134 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
1135                               MimeView *mimeview)
1136 {
1137         MimeInfo *partinfo;
1138         if (mimeview->opened == node) return;
1139         mimeview->opened = node;
1140         mimeview->spec_part = NULL;
1141         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1142
1143         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1144         if (!partinfo) return;
1145
1146         /* ungrab the mouse event */
1147         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1148                 gtk_grab_remove(GTK_WIDGET(ctree));
1149                 if (gdk_pointer_is_grabbed())
1150                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1151         }
1152
1153         mimeview->textview->default_text = FALSE;
1154
1155         update_signature_info(mimeview, partinfo);
1156
1157         if (!mimeview_show_part(mimeview, partinfo)) {
1158                 switch (partinfo->type) {
1159                 case MIMETYPE_TEXT:
1160                 case MIMETYPE_MESSAGE:
1161                 case MIMETYPE_MULTIPART:
1162                         mimeview_show_message_part(mimeview, partinfo);
1163
1164                         break;
1165                 default:
1166                         mimeview->textview->default_text = TRUE;
1167                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1168                         textview_clear(mimeview->textview);
1169                         textview_show_mime_part(mimeview->textview, partinfo);
1170                         break;
1171                 }
1172         }
1173 }
1174
1175 static void mimeview_start_drag(GtkWidget *widget, gint button,
1176                                 GdkEvent *event, MimeView *mimeview)
1177 {
1178         GdkDragContext *context;
1179         MimeInfo *partinfo;
1180
1181         g_return_if_fail(mimeview != NULL);
1182
1183         partinfo = mimeview_get_selected_part(mimeview);
1184         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1185
1186         context = gtk_drag_begin(widget, mimeview->target_list,
1187                                  GDK_ACTION_COPY, button, event);
1188         gtk_drag_set_icon_default(context);
1189 }
1190
1191 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1192                                     MimeView *mimeview)
1193 {
1194         GtkCList *clist = GTK_CLIST(widget);
1195         gint row, column;
1196
1197         if (!event) return FALSE;
1198
1199         if (event->button == 2 || event->button == 3) {
1200                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1201                                                   &row, &column))
1202                         return FALSE;
1203                 gtk_clist_unselect_all(clist);
1204                 gtk_clist_select_row(clist, row, column);
1205                 gtkut_clist_set_focus_row(clist, row);
1206         }
1207         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1208
1209         return FALSE;
1210 }
1211
1212 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1213                                     MimeView *mimeview)
1214 {
1215         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1216         if (event->direction == GDK_SCROLL_UP) {
1217                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1218         } else {
1219                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1220         }
1221         gtk_vscrollbutton_scroll(scrollbutton);
1222         return TRUE;
1223 }
1224
1225 /* from gdkevents.c */
1226 #define DOUBLE_CLICK_TIME 250
1227
1228 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1229                                     MimeInfo *partinfo)
1230 {
1231         static MimeInfo *lastinfo;
1232         static guint32 lasttime;
1233
1234         if (event->button == 2 ||
1235             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1236                 /* call external program for image, audio or html */
1237                 mimeview_launch(mimeview, partinfo);
1238                 return TRUE;
1239         } else if (event->button == 3) {
1240                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1241                                  partinfo->type == MIMETYPE_IMAGE ||
1242                                  partinfo->type == MIMETYPE_MULTIPART))
1243                         menu_set_sensitive(mimeview->popupfactory,
1244                                            "/Display as text (t)", FALSE);
1245                 else
1246                         menu_set_sensitive(mimeview->popupfactory,
1247                                            "/Display as text (t)", TRUE);
1248                 if (partinfo &&
1249                     partinfo->type == MIMETYPE_APPLICATION &&
1250                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1251                         menu_set_sensitive(mimeview->popupfactory,
1252                                            "/Open (l)", FALSE);
1253                 else
1254                         menu_set_sensitive(mimeview->popupfactory,
1255                                            "/Open (l)", TRUE);
1256
1257                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1258                                   "pop_partinfo", partinfo);
1259
1260                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1261                                NULL, NULL, NULL, NULL,
1262                                event->button, event->time);
1263                 return TRUE;
1264         }
1265
1266         lastinfo = partinfo;
1267         lasttime = event->time;
1268         return FALSE;
1269 }
1270
1271
1272 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1273 {
1274         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1275 }
1276
1277 static void mimeview_select_next_part(MimeView *mimeview)
1278 {
1279         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1280         GtkCTreeNode *node = mimeview->opened;
1281         MimeInfo *partinfo = NULL;
1282
1283 skip:
1284         node = GTK_CTREE_NODE_NEXT(node);
1285         if (!node)
1286                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), 0);
1287
1288         if (node) {
1289                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1290                 if (partinfo->type == MIMETYPE_MULTIPART)
1291                         goto skip;
1292                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1293                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1294                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1295         }
1296 }
1297
1298 static void mimeview_select_prev_part(MimeView *mimeview)
1299 {
1300         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1301         GtkCTreeNode *node = mimeview->opened;
1302         MimeInfo *partinfo = NULL;
1303
1304 skip:
1305         node = GTK_CTREE_NODE_PREV(node);
1306         if (!node)
1307                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), GTK_CLIST(ctree)->rows - 1);
1308
1309         if (node) {
1310                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1311                 if (partinfo->type == MIMETYPE_MULTIPART)
1312                         goto skip;
1313                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1314                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1315                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1316         }
1317 }
1318
1319 #define BREAK_ON_MODIFIER_KEY() \
1320         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1321
1322 #define KEY_PRESS_EVENT_STOP() \
1323         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1324                                        "key_press_event");
1325
1326 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1327                                  MimeView *mimeview)
1328 {
1329         SummaryView *summaryview;
1330         GtkCTree *ctree = GTK_CTREE(widget);
1331
1332         if (!event) return FALSE;
1333         if (!mimeview->opened) return FALSE;
1334
1335         summaryview = mimeview->messageview->mainwin->summaryview;
1336
1337         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1338                 return FALSE;
1339
1340         switch (event->keyval) {
1341         case GDK_space:
1342                 if (mimeview_scroll_page(mimeview, FALSE))
1343                         return TRUE;
1344
1345                 mimeview_select_next_part(mimeview);
1346                 return TRUE;
1347
1348         case GDK_BackSpace:
1349                 mimeview_scroll_page(mimeview, TRUE);
1350                 return TRUE;
1351         case GDK_Return:
1352         case GDK_KP_Enter:
1353                 mimeview_scroll_one_line(mimeview,
1354                                          (event->state & GDK_MOD1_MASK) != 0);
1355                 return TRUE;
1356         case GDK_n:
1357         case GDK_N:
1358                 BREAK_ON_MODIFIER_KEY();
1359                 mimeview_select_next_part(mimeview);
1360                 return TRUE;
1361
1362         case GDK_p:
1363         case GDK_P:
1364                 BREAK_ON_MODIFIER_KEY();
1365                 mimeview_select_prev_part(mimeview);
1366                 return TRUE;
1367
1368         case GDK_y:
1369                 BREAK_ON_MODIFIER_KEY();
1370                 KEY_PRESS_EVENT_STOP();
1371                 mimeview_save_as(mimeview);
1372                 return TRUE;
1373         case GDK_t:
1374                 BREAK_ON_MODIFIER_KEY();
1375                 KEY_PRESS_EVENT_STOP();
1376                 mimeview_display_as_text(mimeview);
1377                 return TRUE;
1378         case GDK_l:
1379                 BREAK_ON_MODIFIER_KEY();
1380                 KEY_PRESS_EVENT_STOP();
1381                 mimeview_launch(mimeview, NULL);
1382                 return TRUE;
1383         case GDK_o:
1384                 BREAK_ON_MODIFIER_KEY();
1385                 KEY_PRESS_EVENT_STOP();
1386                 mimeview_open_with(mimeview);
1387                 return TRUE;
1388         case GDK_c:
1389                 BREAK_ON_MODIFIER_KEY();
1390                 KEY_PRESS_EVENT_STOP();
1391                 mimeview_check_signature(mimeview);
1392                 return TRUE;
1393         case GDK_a:
1394                 BREAK_ON_MODIFIER_KEY();
1395                 KEY_PRESS_EVENT_STOP();
1396                 mimeview_select_next_part(mimeview);
1397                 return TRUE;
1398         default:
1399                 break;
1400         }
1401
1402         if (!mimeview->messageview->mainwin) return FALSE;
1403
1404         summary_pass_key_press_event(summaryview, event);
1405         return TRUE;
1406 }
1407
1408 static void mimeview_drag_data_get(GtkWidget        *widget,
1409                                    GdkDragContext   *drag_context,
1410                                    GtkSelectionData *selection_data,
1411                                    guint             info,
1412                                    guint             time,
1413                                    MimeView         *mimeview)
1414 {
1415         gchar *filename = NULL, *uriname, *tmp;
1416         MimeInfo *partinfo;
1417         gint err;
1418
1419         if (!mimeview->opened) return;
1420         if (!mimeview->file) return;
1421
1422         partinfo = mimeview_get_selected_part(mimeview);
1423         if (!partinfo) return;
1424
1425         if (strlen(get_part_name(partinfo)) > 0) {
1426                 filename = g_path_get_basename(get_part_name(partinfo));
1427                 if (*filename == '\0') return;
1428         } else if (partinfo->type == MIMETYPE_MESSAGE
1429                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1430                 gchar *name = NULL;
1431                 GPtrArray *headers = NULL;
1432                 FILE *fp;
1433
1434                 fp = g_fopen(partinfo->data.filename, "rb");
1435                 fseek(fp, partinfo->offset, SEEK_SET);
1436                 headers = procheader_get_header_array_asis(fp);
1437                 if (headers) {
1438                         gint i;
1439                         for (i = 0; i < headers->len; i++) {
1440                                 Header *header = g_ptr_array_index(headers, i);
1441                                 if (procheader_headername_equal(header->name, "Subject")) {
1442                                         unfold_line(header->body);
1443                                         name = g_strconcat(header->body, ".txt", NULL);
1444                                         subst_for_filename(name);
1445                                 }
1446                         }
1447                         procheader_header_array_destroy(headers);
1448                 }
1449                 fclose(fp);
1450                 if (name)
1451                         filename = g_path_get_basename(name);
1452                 g_free(name);
1453         }
1454         if (filename == NULL)
1455                 filename = g_path_get_basename("Unnamed part");
1456
1457         if (!g_utf8_validate(filename, -1, NULL))
1458                 tmp = conv_codeset_strdup(filename,
1459                                 conv_get_locale_charset_str(),
1460                                 CS_UTF_8);
1461         else
1462                 tmp = g_strdup(filename);
1463
1464         if (tmp == NULL) {
1465                 g_warning("filename not in UTF-8");
1466                 tmp = g_strdup("Unnamed part");
1467         }
1468         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1469                                tmp, NULL);
1470
1471         g_free(tmp);
1472
1473         if ((err = procmime_get_part(filename, partinfo)) < 0)
1474                 alertpanel_error
1475                         (_("Couldn't save the part of multipart message: %s"),
1476                                 strerror(-err));
1477
1478         uriname = g_strconcat("file://", filename, "\r\n", NULL);
1479
1480         gtk_selection_data_set(selection_data, selection_data->target, 8,
1481                                (guchar *)uriname, strlen(uriname));
1482
1483         g_free(uriname);
1484         g_free(filename);
1485 }
1486
1487 /**
1488  * Returns a filename (with path) for an attachment
1489  * \param partinfo The attachment to save
1490  * \param basedir The target directory
1491  * \param number Used for dummy filename if attachment is unnamed
1492  */
1493 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1494                                       const gchar *basedir,
1495                                       gint number)
1496 {
1497         gchar *fullname;
1498         gchar *filename;
1499
1500         filename = g_strdup(get_part_name(partinfo));
1501         if (!filename || !*filename)
1502                 filename = g_strdup_printf("noname.%d", number);
1503
1504         if (!g_utf8_validate(filename, -1, NULL)) {
1505                 gchar *tmp = conv_filename_to_utf8(filename);
1506                 g_free(filename);
1507                 filename = tmp;
1508         }
1509
1510         subst_for_filename(filename);
1511
1512         fullname = g_strconcat
1513                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1514                  ? &filename[1] : filename, NULL);
1515
1516         g_free(filename);
1517         filename = conv_filename_from_utf8(fullname);
1518         g_free(fullname);
1519         return filename;
1520 }
1521
1522 /**
1523  * Write a single attachment to file
1524  * \param filename Filename with path
1525  * \param partinfo Attachment to save
1526  */
1527 static gboolean mimeview_write_part(const gchar *filename,
1528                                     MimeInfo *partinfo)
1529 {
1530         gchar *dir;
1531         gint err;
1532
1533         dir= g_path_get_dirname(filename);
1534         if (!is_dir_exist(dir))
1535                 make_dir_hier(dir);
1536         g_free(dir);
1537
1538         if (is_file_exist(filename)) {
1539                 AlertValue aval;
1540                 gchar *res;
1541                 gchar *tmp;
1542
1543                 if (!g_utf8_validate(filename, -1, NULL))
1544                         tmp = conv_filename_to_utf8(filename);
1545                 else
1546                         tmp = g_strdup(filename);
1547
1548                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1549                                       tmp);
1550                 g_free(tmp);
1551                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1552                                   GTK_STOCK_OK, NULL);
1553                 g_free(res);
1554                 if (G_ALERTALTERNATE != aval) return FALSE;
1555         }
1556
1557         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1558                 alertpanel_error
1559                         (_("Couldn't save the part of multipart message: %s"),
1560                                 strerror(-err));
1561                 return FALSE;
1562         }
1563
1564         return TRUE;
1565 }
1566
1567 /**
1568  * Menu callback: Save all attached files
1569  * \param mimeview Current display
1570  */
1571 static void mimeview_save_all(MimeView *mimeview)
1572 {
1573         MimeInfo *partinfo;
1574         gchar *dirname;
1575         gchar *startdir = NULL;
1576         gint number = 1;
1577
1578         if (!mimeview->opened) return;
1579         if (!mimeview->file) return;
1580         if (!mimeview->mimeinfo) return;
1581
1582         partinfo = mimeview->mimeinfo;
1583         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1584                 startdir = g_strconcat(prefs_common.attach_save_dir,
1585                                        G_DIR_SEPARATOR_S, NULL);
1586         else
1587                 startdir = g_strdup(get_home_dir());
1588
1589         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1590         if (!dirname) {
1591                 g_free(startdir);
1592                 return;
1593         }
1594
1595         if (!is_dir_exist (dirname)) {
1596                 alertpanel_error(_("'%s' is not a directory."),
1597                                  dirname);
1598                 g_free(startdir);
1599                 return;
1600         }
1601
1602         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1603                 dirname[strlen(dirname)-1] = '\0';
1604
1605         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1606         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1607                 partinfo = procmime_mimeinfo_next(partinfo);
1608         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1609                 partinfo = procmime_mimeinfo_next(partinfo);
1610                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1611                         partinfo = procmime_mimeinfo_next(partinfo);
1612         }
1613
1614         while (partinfo != NULL) {
1615                 if (partinfo->type != MIMETYPE_MESSAGE &&
1616                     partinfo->type != MIMETYPE_MULTIPART &&
1617                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1618                      || get_real_part_name(partinfo) != NULL)) {
1619                         gchar *filename = mimeview_get_filename_for_part
1620                                 (partinfo, dirname, number++);
1621
1622                         mimeview_write_part(filename, partinfo);
1623                         g_free(filename);
1624                 }
1625                 partinfo = procmime_mimeinfo_next(partinfo);
1626         }
1627
1628         g_free(prefs_common.attach_save_dir);
1629         g_free(startdir);
1630         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1631                                         -1, NULL, NULL, NULL);
1632 }
1633
1634 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1635 {
1636         MimeInfo *partinfo = NULL;
1637         if (mimeview->spec_part) {
1638                 partinfo = mimeview->spec_part;
1639                 mimeview->spec_part = NULL;
1640         } else {
1641                 partinfo = (MimeInfo *) g_object_get_data
1642                          (G_OBJECT(mimeview->popupmenu),
1643                          "pop_partinfo");
1644                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1645                                   "pop_partinfo", NULL);
1646                 if (!partinfo) {
1647                         partinfo = mimeview_get_selected_part(mimeview);
1648                 }
1649         }
1650
1651         return partinfo;
1652 }
1653 /**
1654  * Menu callback: Save the selected attachment
1655  * \param mimeview Current display
1656  */
1657 static void mimeview_save_as(MimeView *mimeview)
1658 {
1659         gchar *filename;
1660         gchar *filepath = NULL;
1661         gchar *filedir = NULL;
1662         MimeInfo *partinfo;
1663         gchar *partname = NULL;
1664
1665         if (!mimeview->opened) return;
1666         if (!mimeview->file) return;
1667
1668         partinfo = mimeview_get_part_to_use(mimeview);
1669
1670         g_return_if_fail(partinfo != NULL);
1671
1672         if (get_part_name(partinfo) == NULL) {
1673                 return;
1674         }
1675         partname = g_strdup(get_part_name(partinfo));
1676
1677         if (!g_utf8_validate(partname, -1, NULL)) {
1678                 gchar *tmp = conv_filename_to_utf8(partname);
1679                 if (!tmp) {
1680                         tmp = conv_codeset_strdup(partname,
1681                                 conv_get_locale_charset_str(),
1682                                 CS_UTF_8);
1683                 }
1684                 if (tmp) {
1685                         g_free(partname);
1686                         partname = tmp;
1687                 }
1688         }
1689
1690         subst_for_filename(partname);
1691
1692         if (prefs_common.attach_save_dir)
1693                 filepath = g_strconcat(prefs_common.attach_save_dir,
1694                                        G_DIR_SEPARATOR_S, partname, NULL);
1695         else
1696                 filepath = g_strdup(partname);
1697
1698         g_free(partname);
1699
1700         filename = filesel_select_file_save(_("Save as"), filepath);
1701         if (!filename) {
1702                 g_free(filepath);
1703                 return;
1704         }
1705
1706         mimeview_write_part(filename, partinfo);
1707
1708         filedir = g_path_get_dirname(filename);
1709         if (filedir && strcmp(filedir, ".")) {
1710                 g_free(prefs_common.attach_save_dir);
1711                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1712         }
1713
1714         g_free(filedir);
1715         g_free(filepath);
1716 }
1717
1718 static void mimeview_display_as_text(MimeView *mimeview)
1719 {
1720         MimeInfo *partinfo;
1721
1722         if (!mimeview->opened) return;
1723
1724         partinfo = mimeview_get_part_to_use(mimeview);
1725         mimeview_select_mimepart_icon(mimeview, partinfo);
1726         g_return_if_fail(partinfo != NULL);
1727         mimeview_show_message_part(mimeview, partinfo);
1728 }
1729
1730 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
1731 {
1732         gchar *filename;
1733         gint err;
1734
1735         if (!mimeview->opened) return;
1736         if (!mimeview->file) return;
1737
1738         if (!partinfo)
1739                 partinfo = mimeview_get_part_to_use(mimeview);
1740
1741         g_return_if_fail(partinfo != NULL);
1742
1743         filename = procmime_get_tmp_file_name(partinfo);
1744
1745         if ((err = procmime_get_part(filename, partinfo)) < 0)
1746                 alertpanel_error
1747                         (_("Couldn't save the part of multipart message: %s"),
1748                                 strerror(-err));
1749         else
1750                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1751
1752         g_free(filename);
1753 }
1754
1755 static void mimeview_open_with(MimeView *mimeview)
1756 {
1757         MimeInfo *partinfo;
1758
1759         if (!mimeview) return;
1760         if (!mimeview->opened) return;
1761         if (!mimeview->file) return;
1762
1763         partinfo = mimeview_get_part_to_use(mimeview);
1764
1765         mimeview_open_part_with(mimeview, partinfo, FALSE);
1766 }
1767
1768 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1769 {
1770         gchar *filename;
1771         gchar *cmd;
1772         gchar *mime_command = NULL;
1773         gchar *content_type = NULL;
1774         gint err;
1775         g_return_if_fail(partinfo != NULL);
1776
1777         filename = procmime_get_tmp_file_name(partinfo);
1778
1779         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1780                 alertpanel_error
1781                         (_("Couldn't save the part of multipart message: %s"),
1782                                 strerror(-err));
1783                 g_free(filename);
1784                 return;
1785         }
1786
1787         if (!prefs_common.mime_open_cmd_history)
1788                 prefs_common.mime_open_cmd_history =
1789                         add_history(NULL, prefs_common.mime_open_cmd);
1790
1791         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1792             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1793                 /* guess content-type from filename */
1794                 content_type = procmime_get_mime_type(filename);
1795         }
1796         if (content_type == NULL) {
1797                 content_type = procmime_get_content_type_str(partinfo->type,
1798                         partinfo->subtype);
1799         }
1800
1801         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1802         && prefs_common.uri_cmd && prefs_common.uri_cmd[0]) {
1803                 mime_command = g_strdup(prefs_common.uri_cmd);
1804                 g_free(content_type);
1805                 content_type = NULL;
1806         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common.ext_editor_cmd
1807         ||  !prefs_common.ext_editor_cmd[0]) {
1808                 mime_command = mailcap_get_command_for_type(content_type, filename);
1809         } else {
1810                 mime_command = g_strdup(prefs_common.ext_editor_cmd);
1811                 g_free(content_type);
1812                 content_type = NULL;
1813         }
1814         if (mime_command == NULL) {
1815                 /* try with extension this time */
1816                 g_free(content_type);
1817                 content_type = procmime_get_mime_type(filename);
1818                 mime_command = mailcap_get_command_for_type(content_type, filename);
1819         }
1820
1821         if (mime_command == NULL)
1822                 automatic = FALSE;
1823
1824         if (!automatic) {
1825                 gboolean remember = FALSE;
1826                 if (content_type != NULL)
1827                         cmd = input_dialog_combo_remember
1828                                 (_("Open with"),
1829                                  _("Enter the command line to open file:\n"
1830                                    "('%s' will be replaced with file name)"),
1831                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1832                                  prefs_common.mime_open_cmd_history,
1833                                  TRUE, &remember);
1834                 else
1835                         cmd = input_dialog_combo
1836                                 (_("Open with"),
1837                                  _("Enter the command line to open file:\n"
1838                                    "('%s' will be replaced with file name)"),
1839                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1840                                  prefs_common.mime_open_cmd_history,
1841                                  TRUE);
1842                 if (cmd && remember) {
1843                         mailcap_update_default(content_type, cmd);
1844                 }
1845                 g_free(mime_command);
1846         } else {
1847                 cmd = mime_command;
1848         }
1849         if (cmd) {
1850                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1851                 g_free(prefs_common.mime_open_cmd);
1852                 prefs_common.mime_open_cmd = cmd;
1853                 prefs_common.mime_open_cmd_history =
1854                         add_history(prefs_common.mime_open_cmd_history, cmd);
1855         }
1856         g_free(content_type);
1857         g_free(filename);
1858 }
1859
1860 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1861                                const gchar *cmd, MimeView *mimeview)
1862 {
1863         gchar *p;
1864         gchar buf[BUFFSIZE];
1865         if (cmd == NULL)
1866                 mimeview_open_part_with(mimeview, partinfo, TRUE);
1867         else {
1868                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1869                     !strchr(p + 2, '%'))
1870                         g_snprintf(buf, sizeof(buf), cmd, filename);
1871                 else {
1872                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1873                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1874                 }
1875                 if (execute_command_line(buf, TRUE) != 0)
1876                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1877         }
1878 }
1879
1880 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1881 {
1882         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1883 }
1884
1885 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1886 {
1887         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1888 }
1889
1890 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1891 {
1892         GSList *mimeview_list, *viewer_list;
1893
1894         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1895                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1896
1897                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1898                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1899                         mimeview->mimeviewer = NULL;
1900                 }
1901
1902                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1903                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1904
1905                         mimeviewer->destroy_viewer(mimeviewer);
1906                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1907                 }
1908         }
1909
1910         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1911 }
1912
1913 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1914 {
1915         gint      num;
1916         MimeInfo *partinfo;
1917
1918         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1919         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1920
1921         if (event->button == 1) {
1922                 icon_selected(mimeview, num, partinfo);
1923                 gtk_widget_grab_focus(button);
1924         }
1925         part_button_pressed(mimeview, event, partinfo);
1926         icon_list_toggle_by_mime_info(mimeview, partinfo);
1927
1928         return FALSE;
1929 }
1930
1931 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1932 {
1933         GtkCTreeNode *node;
1934         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1935
1936         if (node)
1937                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1938 }
1939
1940 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
1941 {
1942         icon_list_toggle_by_mime_info(mimeview, partinfo);
1943         icon_selected(mimeview, -1, partinfo);
1944 }
1945
1946 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1947                              MimeView *mimeview)
1948 {
1949         gint          num;
1950         MimeInfo     *partinfo;
1951         SummaryView  *summaryview;
1952         TextView     *textview;
1953
1954         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1955         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1956
1957         if (!event) return FALSE;
1958
1959         textview = mimeview->textview;
1960
1961         switch (event->keyval) {
1962         case GDK_space:
1963                 if (mimeview_scroll_page(mimeview, FALSE))
1964                         return TRUE;
1965
1966                 mimeview_select_next_part(mimeview);
1967                 return TRUE;
1968
1969                 break;
1970         case GDK_BackSpace:
1971                 mimeview_scroll_page(mimeview, TRUE);
1972                 return TRUE;
1973         case GDK_Return:
1974         case GDK_KP_Enter:
1975                 mimeview_scroll_one_line(mimeview,
1976                                          (event->state & GDK_MOD1_MASK) != 0);
1977                 return TRUE;
1978
1979         case GDK_n:
1980         case GDK_N:
1981                 BREAK_ON_MODIFIER_KEY();
1982                 mimeview_select_next_part(mimeview);
1983                 return TRUE;
1984
1985         case GDK_p:
1986         case GDK_P:
1987                 BREAK_ON_MODIFIER_KEY();
1988                 mimeview_select_prev_part(mimeview);
1989                 break;
1990
1991         case GDK_y:
1992                 BREAK_ON_MODIFIER_KEY();
1993                 mimeview_save_as(mimeview);
1994                 return TRUE;
1995         case GDK_t:
1996                 BREAK_ON_MODIFIER_KEY();
1997                 mimeview_display_as_text(mimeview);
1998                 return TRUE;
1999         case GDK_l:
2000                 BREAK_ON_MODIFIER_KEY();
2001                 mimeview_launch(mimeview, NULL);
2002                 return TRUE;
2003         case GDK_o:
2004                 BREAK_ON_MODIFIER_KEY();
2005                 mimeview_open_with(mimeview);
2006                 return TRUE;
2007         case GDK_c:
2008                 BREAK_ON_MODIFIER_KEY();
2009                 mimeview_check_signature(mimeview);
2010                 return TRUE;
2011         case GDK_a:
2012                 BREAK_ON_MODIFIER_KEY();
2013                 mimeview_select_next_part(mimeview);
2014                 return TRUE;
2015         default:
2016                 break;
2017         }
2018
2019         if (!mimeview->messageview->mainwin) return FALSE;
2020         summaryview = mimeview->messageview->mainwin->summaryview;
2021         return summary_pass_key_press_event(summaryview, event);
2022 }
2023
2024 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2025 {
2026         MimeView *mimeview = (MimeView *)data;
2027         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2028
2029         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2030                           "pop_partinfo", partinfo);
2031         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2032                        NULL, NULL, NULL, NULL,
2033                        0, gtk_get_current_event_time());
2034         return TRUE;
2035 }
2036
2037 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2038 {
2039         GtkWidget *pixmap = NULL;
2040         GtkWidget *vbox;
2041         GtkWidget *button;
2042         gchar *tip;
2043         gchar *tiptmp;
2044         const gchar *desc = NULL;
2045         gchar *sigshort = NULL;
2046         gchar *content_type;
2047         StockPixmap stockp;
2048         MimeInfo *partinfo;
2049         MimeInfo *siginfo = NULL;
2050         MimeInfo *encrypted = NULL;
2051
2052         vbox = mimeview->icon_vbox;
2053         mimeview->icon_count++;
2054         button = gtk_event_box_new();
2055
2056         g_signal_connect(G_OBJECT(button), "visibility-notify-event",
2057                          G_CALLBACK(mimeview_visi_notify), mimeview);
2058         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2059                          G_CALLBACK(mimeview_visi_notify), mimeview);
2060         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2061                          G_CALLBACK(mimeview_leave_notify), mimeview);
2062         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2063                          G_CALLBACK(mimeview_enter_notify), mimeview);
2064
2065         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2066         g_object_set_data(G_OBJECT(button), "icon_number",
2067                           GINT_TO_POINTER(mimeview->icon_count));
2068         g_object_set_data(G_OBJECT(button), "partinfo",
2069                           mimeinfo);
2070
2071         switch (mimeinfo->type) {
2072
2073         case MIMETYPE_TEXT:
2074                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2075                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2076                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2077                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2078                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2079                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2080                 else
2081                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2082                 break;
2083         case MIMETYPE_MESSAGE:
2084                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2085                 break;
2086         case MIMETYPE_APPLICATION:
2087                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature"))
2088                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2089                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2090                         stockp = STOCK_PIXMAP_MIME_PDF;
2091                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2092                         stockp = STOCK_PIXMAP_MIME_PS;
2093                 else
2094                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2095                 break;
2096         case MIMETYPE_IMAGE:
2097                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2098                 break;
2099         case MIMETYPE_AUDIO:
2100                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2101                 break;
2102         default:
2103                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2104                 break;
2105         }
2106
2107         partinfo = mimeinfo;
2108         while (partinfo != NULL) {
2109                 if (privacy_mimeinfo_is_signed(partinfo)) {
2110                         siginfo = partinfo;
2111                         break;
2112                 }
2113                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2114                         encrypted = partinfo;
2115                         break;
2116                 }
2117                 partinfo = procmime_mimeinfo_parent(partinfo);
2118         }
2119
2120         if (siginfo != NULL) {
2121                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2122                 case SIGNATURE_UNCHECKED:
2123                 case SIGNATURE_CHECK_FAILED:
2124                 case SIGNATURE_CHECK_TIMEOUT:
2125                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2126                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2127                         break;
2128                 case SIGNATURE_OK:
2129                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2130                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2131                         break;
2132                 case SIGNATURE_WARN:
2133                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2134                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2135                         break;
2136                 case SIGNATURE_INVALID:
2137                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2138                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2139                         break;
2140                 }
2141                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2142         } else if (encrypted != NULL) {
2143                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2144                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2145         } else {
2146                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2147                                                           OVERLAY_NONE, 6, 3);
2148         }
2149         gtk_container_add(GTK_CONTAINER(button), pixmap);
2150         if (!desc) {
2151                 if (prefs_common.attach_desc)
2152                         desc = get_part_description(mimeinfo);
2153                 else
2154                         desc = get_part_name(mimeinfo);
2155         }
2156
2157         content_type = procmime_get_content_type_str(mimeinfo->type,
2158                                                      mimeinfo->subtype);
2159
2160         tip = g_strjoin("\n", content_type,
2161                         to_human_readable(mimeinfo->length), NULL);
2162         g_free(content_type);
2163         if (desc && *desc) {
2164                 gchar *tmp = NULL;
2165                 if (!g_utf8_validate(desc, -1, NULL)) {
2166                         tmp = conv_filename_to_utf8(desc);
2167                 } else {
2168                         tmp = g_strdup(desc);
2169                 }
2170                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2171                 g_free(tip);
2172                 tip = tiptmp;
2173                 g_free(tmp);
2174         }
2175         if (sigshort && *sigshort) {
2176                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2177                 g_free(tip);
2178                 tip = tiptmp;
2179         }
2180         g_free(sigshort);
2181
2182         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
2183         g_free(tip);
2184         gtk_widget_show_all(button);
2185         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2186                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2187 #ifndef MAEMO
2188         g_signal_connect(G_OBJECT(button), "popup-menu",
2189                          G_CALLBACK(icon_popup_menu), mimeview);
2190 #else
2191         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2192                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2193         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2194                          G_CALLBACK(icon_popup_menu), mimeview);
2195 #endif
2196         g_signal_connect(G_OBJECT(button), "button_release_event",
2197                          G_CALLBACK(icon_clicked_cb), mimeview);
2198         g_signal_connect(G_OBJECT(button), "key_press_event",
2199                          G_CALLBACK(icon_key_pressed), mimeview);
2200         g_signal_connect(G_OBJECT(button), "drag_data_get",
2201                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2202         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2203 #ifdef MAEMO
2204         gtk_widget_set_size_request(vbox, -1, pixmap->requisition.height + 8);
2205         gtk_widget_set_size_request(button, -1, pixmap->requisition.height + 4);
2206 #endif
2207
2208 }
2209
2210 static void icon_list_clear (MimeView *mimeview)
2211 {
2212         GList     *child;
2213         GtkAdjustment *adj;
2214
2215         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2216         for (; child != NULL; child = g_list_next(child)) {
2217                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2218                                        GTK_WIDGET(child->data));
2219                 gtk_widget_destroy(GTK_WIDGET(child->data));
2220         }
2221         g_list_free(child);
2222         mimeview->icon_count = 0;
2223         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2224         gtk_adjustment_set_value(adj, adj->lower);
2225 }
2226
2227 /*!
2228  *\brief        Used to 'click' the next or previous icon.
2229  *
2230  *\return       true if the icon 'number' exists and was selected.
2231  */
2232 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2233                                          GtkAllocation *size, MimeView *mimeview)
2234 {
2235         GtkAllocation *mainbox_size;
2236         GtkAllocation *vbox_size;
2237         GtkAllocation *layout_size;
2238         GtkAdjustment *adj;
2239
2240         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2241
2242         mainbox_size = &mimeview->icon_mainbox->allocation;
2243         vbox_size = &mimeview->icon_vbox->allocation;
2244         layout_size = &mimeview->icon_scroll->allocation;
2245
2246         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2247                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2248                             MAX(vbox_size->height, layout_size->height));
2249         adj->step_increment = 10;
2250 }
2251
2252 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2253 {
2254         GtkRequisition size;
2255
2256         g_return_if_fail(mimeinfo != NULL);
2257
2258         while (mimeinfo != NULL) {
2259                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2260                         icon_list_append_icon(mimeview, mimeinfo);
2261                 if (mimeinfo->node->children != NULL)
2262                         icon_list_create(mimeview,
2263                                 (MimeInfo *) mimeinfo->node->children->data);
2264                 mimeinfo = mimeinfo->node->next != NULL
2265                          ? (MimeInfo *) mimeinfo->node->next->data
2266                          : NULL;
2267         }
2268         gtk_widget_size_request(mimeview->icon_vbox, &size);
2269         if (size.width > mimeview->icon_mainbox->requisition.width) {
2270                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2271                                             size.width, -1);
2272         }
2273 }
2274
2275 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2276                                            MimeInfo     *mimeinfo)
2277 {
2278         GList *child;
2279
2280         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2281         for (; child != NULL; child = g_list_next(child)) {
2282                 if (!GTK_IS_EVENT_BOX(child->data))
2283                         continue;
2284                 if(g_object_get_data(G_OBJECT(child->data),
2285                                       "partinfo") == (gpointer)mimeinfo) {
2286                         gboolean *highlight = NULL;
2287                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2288                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2289                         *highlight = TRUE;
2290                         gtk_widget_queue_draw(icon);
2291                 } else {
2292                         gint *highlight = NULL;
2293                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2294                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2295                         *highlight = FALSE;
2296                         gtk_widget_queue_draw(icon);
2297                 }
2298         }
2299 }
2300
2301 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2302                                     MimeView *mimeview)
2303 {
2304         gtk_widget_ref(button);
2305
2306         mimeview_leave_notify(button, NULL, NULL);
2307
2308         mimeview->ctree_mode = !mimeview->ctree_mode;
2309         if (mimeview->ctree_mode) {
2310                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
2311                                         GTK_SHADOW_NONE);
2312                 gtk_widget_hide(mimeview->icon_mainbox);
2313                 gtk_widget_show(mimeview->ctree_mainbox);
2314                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2315
2316                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2317                                         button);
2318                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2319                                    button, FALSE, FALSE, 0);
2320                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
2321         } else {
2322                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
2323                               GTK_SHADOW_NONE);
2324                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2325                 gtk_widget_hide(mimeview->ctree_mainbox);
2326                 gtk_widget_show(mimeview->icon_mainbox);
2327                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2328
2329                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2330                                         button);
2331                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2332                                    button, FALSE, FALSE, 0);
2333                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2334                 if (mimeview->opened)
2335                         icon_list_toggle_by_mime_info
2336                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
2337                                                                        mimeview->opened));
2338
2339                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
2340         }
2341         gtk_widget_unref(button);
2342         return TRUE;
2343 }
2344
2345 void mimeview_update (MimeView *mimeview) {
2346         if (mimeview && mimeview->mimeinfo) {
2347                 icon_list_clear(mimeview);
2348                 icon_list_create(mimeview, mimeview->mimeinfo);
2349         }
2350 }
2351
2352 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2353 {
2354         MessageView *msgview = NULL;
2355         MainWindow *mainwin = NULL;
2356
2357         if (!cmd)
2358                 return;
2359
2360         msgview = mimeview->messageview;
2361         if (!msgview)
2362                 return;
2363
2364         mainwin = msgview->mainwin;
2365         if (!mainwin)
2366                 return;
2367
2368         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2369                           "pop_partinfo", NULL);
2370
2371         if (!strcmp(cmd, "sc://view_log"))
2372                 log_window_show(mainwin->logwin);
2373         else if (!strcmp(cmd, "sc://save_as"))
2374                 mimeview_save_as(mimeview);
2375         else if (!strcmp(cmd, "sc://display_as_text"))
2376                 mimeview_display_as_text(mimeview);
2377         else if (!strcmp(cmd, "sc://open_with"))
2378                 mimeview_open_with(mimeview);
2379         else if (!strcmp(cmd, "sc://open"))
2380                 mimeview_launch(mimeview, NULL);
2381         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2382                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2383                 icon_selected(mimeview, -1, (MimeInfo *)data);
2384         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2385                 mimeview_launch(mimeview, (MimeInfo *)data);
2386         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2387                 mimeview->spec_part = (MimeInfo *)data;
2388                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2389         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2390                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2391                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2392                 gtk_toggle_button_set_active(
2393                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2394                                 TRUE);
2395                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2396                                 QUICK_SEARCH_EXTENDED, buf);
2397                 g_free(buf);
2398         }
2399 }
2400
2401 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2402 {
2403         if (mimeview->type == MIMEVIEW_TEXT)
2404                 return textview_scroll_page(mimeview->textview, up);
2405         else if (mimeview->mimeviewer) {
2406                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2407                 if (mimeviewer->scroll_page)
2408                         return mimeviewer->scroll_page(mimeviewer, up);
2409         }
2410         return TRUE;
2411 }
2412
2413 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2414 {
2415         if (mimeview->type == MIMEVIEW_TEXT)
2416                 textview_scroll_one_line(mimeview->textview, up);
2417         else if (mimeview->mimeviewer) {
2418                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2419                 if (mimeviewer->scroll_one_line)
2420                         mimeviewer->scroll_one_line(mimeviewer, up);
2421         }
2422 }