src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2008 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 #include <sys/types.h>
  45 #include <sys/stat.h>
  46
  47 #ifndef HAVE_APACHE_FNMATCH
  48 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  49  * fnmatch.h */
  50 #include <fnmatch.h>
  51 #endif
  52
  53 #include "main.h"
  54 #include "mimeview.h"
  55 #include "textview.h"
  56 #include "procmime.h"
  57 #include "summaryview.h"
  58 #include "menu.h"
  59 #include "filesel.h"
  60 #include "alertpanel.h"
  61 #include "inputdialog.h"
  62 #include "utils.h"
  63 #include "gtkutils.h"
  64 #include "prefs_common.h"
  65 #include "procheader.h"
  66 #include "stock_pixmap.h"
  67 #include "gtk/gtkvscrollbutton.h"
  68 #include "gtk/logwindow.h"
  69 #include "timing.h"
  70
  71 #ifdef MAEMO
  72 #include <libosso.h>
  73 #ifndef CHINOOK
  74 #include <osso-mime.h>
  75 #else
  76 #include <hildon-mime.h>
  77 #endif
  78 #endif
  79
  80 typedef enum
  81 {
  82         COL_MIMETYPE = 0,
  83         COL_SIZE     = 1,
  84         COL_NAME     = 2
  85 } MimeViewColumnPos;
  86
  87 #define N_MIMEVIEW_COLS 3
  88
  89 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  90                                                  MimeInfo       *mimeinfo,
  91                                                  GtkCTreeNode   *parent);
  92 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  93                                                  MimeInfo       *partinfo,
  94                                                  GtkCTreeNode   *parent);
  95 static void mimeview_show_message_part          (MimeView       *mimeview,
  96                                                  MimeInfo       *partinfo);
  97 static void mimeview_change_view_type           (MimeView       *mimeview,
  98                                                  MimeViewType    type);
  99 static gchar *mimeview_get_filename_for_part            (MimeInfo       *partinfo,
 100                                                  const gchar    *basedir,
 101                                                  gint            number);
 102 static gboolean mimeview_write_part             (const gchar    *filename,
 103                                                  MimeInfo       *partinfo);
 104
 105 static void mimeview_selected           (GtkCTree       *ctree,
 106                                          GtkCTreeNode   *node,
 107                                          gint            column,
 108                                          MimeView       *mimeview);
 109 static void mimeview_start_drag         (GtkWidget      *widget,
 110                                          gint            button,
 111                                          GdkEvent       *event,
 112                                          MimeView       *mimeview);
 113 static gint mimeview_button_pressed     (GtkWidget      *widget,
 114                                          GdkEventButton *event,
 115                                          MimeView       *mimeview);
 116 static gint mimeview_key_pressed        (GtkWidget      *widget,
 117                                          GdkEventKey    *event,
 118                                          MimeView       *mimeview);
 119
 120 static void mimeview_drag_data_get      (GtkWidget        *widget,
 121                                          GdkDragContext   *drag_context,
 122                                          GtkSelectionData *selection_data,
 123                                          guint             info,
 124                                          guint             time,
 125                                          MimeView         *mimeview);
 126
 127 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 128                                          GdkEventScroll *event,
 129                                          MimeView       *mimeview);
 130 static void mimeview_display_as_text    (MimeView       *mimeview);
 131 static void mimeview_save_as            (MimeView       *mimeview);
 132 static void mimeview_save_all           (MimeView       *mimeview);
 133 static void mimeview_launch             (MimeView       *mimeview,
 134                                          MimeInfo       *partinfo);
 135 static void mimeview_open_with          (MimeView       *mimeview);
 136 static void mimeview_open_part_with     (MimeView       *mimeview,
 137                                          MimeInfo       *partinfo,
 138                                          gboolean        automatic);
 139 static void mimeview_select_next_part   (MimeView       *mimeview);
 140 static void mimeview_select_prev_part   (MimeView       *mimeview);
 141 static void mimeview_view_file          (const gchar    *filename,
 142                                          MimeInfo       *partinfo,
 143                                          const gchar    *cmd,
 144                                          MimeView       *mimeview);
 145 static gboolean icon_clicked_cb         (GtkWidget      *button,
 146                                          GdkEventButton *event,
 147                                          MimeView       *mimeview);
 148 static void icon_selected               (MimeView       *mimeview,
 149                                          gint            num,
 150                                          MimeInfo       *partinfo);
 151 static gint icon_key_pressed            (GtkWidget      *button,
 152                                          GdkEventKey    *event,
 153                                          MimeView       *mimeview);
 154 static void icon_list_append_icon       (MimeView       *mimeview,
 155                                          MimeInfo       *mimeinfo);
 156 static void icon_list_create            (MimeView       *mimeview,
 157                                          MimeInfo       *mimeinfo);
 158 static void icon_list_clear             (MimeView       *mimeview);
 159 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 160                                            MimeInfo     *mimeinfo);
 161 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 162                                     MimeView *mimeview);
 163 static gboolean part_button_pressed     (MimeView       *mimeview,
 164                                          GdkEventButton *event,
 165                                          MimeInfo       *partinfo);
 166 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 167                                          GtkAllocation  *layout_size,
 168                                          MimeView       *mimeview);
 169 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 170
 171 static void mimeview_launch_cb(MimeView *mimeview)
 172 {
 173         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 174 }
 175 static GtkItemFactoryEntry mimeview_popup_entries[] =
 176 {
 177         {N_("/_Open (l)"),                NULL, mimeview_launch_cb,       0, NULL},
 178 #ifndef MAEMO
 179         {N_("/Open _with (o)..."),        NULL, mimeview_open_with,       0, NULL},
 180 #endif
 181         {N_("/_Display as text (t)"),     NULL, mimeview_display_as_text, 0, NULL},
 182         {N_("/_Save as (y)..."),          NULL, mimeview_save_as,         0, NULL},
 183         {N_("/Save _all..."),             NULL, mimeview_save_all,        0, NULL},
 184         {N_("/Next part (a)"),            NULL, mimeview_select_next_part,0, NULL},
 185 };
 186
 187 static GtkTargetEntry mimeview_mime_types[] =
 188 {
 189         {"text/uri-list", 0, 0}
 190 };
 191
 192 GSList *mimeviewer_factories;
 193 GSList *mimeviews;
 194
 195 static GdkCursor *hand_cursor = NULL;
 196
 197 static gboolean mimeview_visi_notify(GtkWidget *widget,
 198                                        GdkEventVisibility *event,
 199                                        MimeView *mimeview)
 200 {
 201         gdk_window_set_cursor(widget->window, hand_cursor);
 202         return FALSE;
 203 }
 204
 205 static gboolean mimeview_leave_notify(GtkWidget *widget,
 206                                       GdkEventCrossing *event,
 207                                       MimeView *mimeview)
 208 {
 209         gdk_window_set_cursor(widget->window, NULL);
 210         return FALSE;
 211 }
 212
 213 static gboolean mimeview_enter_notify(GtkWidget *widget,
 214                                       GdkEventCrossing *event,
 215                                       MimeView *mimeview)
 216 {
 217         gdk_window_set_cursor(widget->window, hand_cursor);
 218         return FALSE;
 219 }
 220
 221 MimeView *mimeview_create(MainWindow *mainwin)
 222 {
 223         MimeView *mimeview;
 224
 225         GtkWidget *paned;
 226         GtkWidget *scrolledwin;
 227         GtkWidget *ctree;
 228         GtkWidget *mime_notebook;
 229         GtkWidget *popupmenu;
 230         GtkWidget *ctree_mainbox;
 231         GtkWidget *vbox;
 232         GtkWidget *mime_toggle;
 233         GtkWidget *icon_mainbox;
 234         GtkWidget *icon_scroll;
 235         GtkWidget *icon_vbox;
 236         GtkWidget *arrow;
 237         GtkWidget *scrollbutton;
 238         GtkWidget *hbox;
 239         GtkTooltips *tooltips;
 240         GtkItemFactory *popupfactory;
 241         NoticeView *siginfoview;
 242         gchar *titles[N_MIMEVIEW_COLS];
 243         gint n_entries;
 244         gint i;
 245
 246         if (!hand_cursor)
 247                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 248
 249         debug_print("Creating MIME view...\n");
 250         mimeview = g_new0(MimeView, 1);
 251
 252         titles[COL_MIMETYPE] = _("MIME Type");
 253         titles[COL_SIZE]     = _("Size");
 254         titles[COL_NAME]     = _("Name");
 255
 256         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 257         gtk_widget_show(scrolledwin);
 258         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 259                                        GTK_POLICY_AUTOMATIC,
 260                                        GTK_POLICY_AUTOMATIC);
 261
 262         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 263         gtk_widget_show(ctree);
 264         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 265         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 266         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 267                                            GTK_JUSTIFY_RIGHT);
 268         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 269         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 270         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 271                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 272                                        GTK_CAN_FOCUS);
 273         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 274
 275         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 276                          G_CALLBACK(mimeview_selected), mimeview);
 277         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 278                          G_CALLBACK(mimeview_button_pressed), mimeview);
 279         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 280                          G_CALLBACK(mimeview_key_pressed), mimeview);
 281         g_signal_connect(G_OBJECT (ctree),"start_drag",
 282                          G_CALLBACK (mimeview_start_drag), mimeview);
 283         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 284                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 285
 286         mime_notebook = gtk_notebook_new();
 287         gtk_widget_show(mime_notebook);
 288         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 289         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 290         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 291
 292         icon_vbox = gtk_vbox_new(FALSE, 2);
 293         gtk_widget_show(icon_vbox);
 294         icon_scroll = gtk_layout_new(NULL, NULL);
 295         gtk_widget_show(icon_scroll);
 296         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 297         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 298         gtk_widget_show(scrollbutton);
 299
 300         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 301                          G_CALLBACK(mimeview_scrolled), mimeview);
 302
 303         mime_toggle = gtk_event_box_new();
 304         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 305
 306         g_signal_connect(G_OBJECT(mime_toggle), "visibility-notify-event",
 307                          G_CALLBACK(mimeview_visi_notify), mimeview);
 308         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 309                          G_CALLBACK(mimeview_visi_notify), mimeview);
 310         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 311                          G_CALLBACK(mimeview_leave_notify), mimeview);
 312         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 313                          G_CALLBACK(mimeview_enter_notify), mimeview);
 314
 315         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 316         gtk_widget_show(mime_toggle);
 317         mimeview->ctree_mode = FALSE;
 318         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 319         gtk_widget_show(arrow);
 320         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 321         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 322                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 323
 324         icon_mainbox = gtk_vbox_new(FALSE, 0);
 325         gtk_widget_show(icon_mainbox);
 326         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 327         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 328         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 329         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 330         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 331                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 332
 333         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 334         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 335
 336         n_entries = sizeof(mimeview_popup_entries) /
 337                 sizeof(mimeview_popup_entries[0]);
 338         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 339                                       "<MimeView>", &popupfactory, mimeview);
 340         tooltips = gtk_tooltips_new();
 341
 342         vbox = gtk_vbox_new(FALSE, 0);
 343         gtk_widget_show(vbox);
 344         siginfoview = noticeview_create(mainwin);
 345         noticeview_hide(siginfoview);
 346         noticeview_set_icon_clickable(siginfoview, TRUE);
 347         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 348         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 349
 350         paned = gtk_vpaned_new();
 351         gtk_widget_show(paned);
 352         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 353         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 354         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 355
 356         hbox = gtk_hbox_new(FALSE, 0);
 357         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 358         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 359
 360         gtk_widget_show(hbox);
 361         gtk_widget_hide(ctree_mainbox);
 362 #ifdef GENERIC_UMPC
 363         gtk_widget_set_size_request(mime_toggle, -1, arrow->requisition.height + 8);
 364 #endif
 365         mimeview->hbox          = hbox;
 366         mimeview->paned         = paned;
 367         mimeview->scrolledwin   = scrolledwin;
 368         mimeview->ctree         = ctree;
 369         mimeview->mime_notebook = mime_notebook;
 370         mimeview->popupmenu     = popupmenu;
 371         mimeview->popupfactory  = popupfactory;
 372         mimeview->type          = -1;
 373         mimeview->ctree_mainbox = ctree_mainbox;
 374         mimeview->icon_scroll   = icon_scroll;
 375         mimeview->icon_vbox     = icon_vbox;
 376         mimeview->icon_mainbox  = icon_mainbox;
 377         mimeview->icon_count    = 0;
 378         mimeview->mainwin       = mainwin;
 379         mimeview->tooltips      = tooltips;
 380         mimeview->oldsize       = 60;
 381         mimeview->mime_toggle   = mime_toggle;
 382         mimeview->siginfoview   = siginfoview;
 383         mimeview->scrollbutton  = scrollbutton;
 384         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 385
 386         mimeviews = g_slist_prepend(mimeviews, mimeview);
 387
 388         return mimeview;
 389 }
 390
 391 void mimeview_init(MimeView *mimeview)
 392 {
 393         textview_init(mimeview->textview);
 394
 395         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 396                 GTK_WIDGET_PTR(mimeview->textview));
 397 }
 398
 399 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 400 {
 401         while (mimeinfo) {
 402                 if (privacy_mimeinfo_is_signed(mimeinfo))
 403                         return TRUE;
 404                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 405         }
 406
 407         return FALSE;
 408 }
 409
 410 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 411                            const gchar *file)
 412 {
 413         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 414         GtkCTreeNode *node;
 415
 416         mimeview_clear(mimeview);
 417
 418         g_return_if_fail(file != NULL);
 419         g_return_if_fail(mimeinfo != NULL);
 420
 421         mimeview->mimeinfo = mimeinfo;
 422
 423         mimeview->file = g_strdup(file);
 424
 425         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 426                                         mimeview);
 427
 428         /* check if the mail's signed - it can change the mail structure */
 429
 430         if (any_part_is_signed(mimeinfo))
 431                 debug_print("signed mail\n");
 432
 433         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 434         icon_list_clear(mimeview);
 435         icon_list_create(mimeview, mimeinfo);
 436
 437         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 438                                           mimeview_selected, mimeview);
 439
 440         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 441         if (node) {
 442                 gtk_ctree_select(ctree, node);
 443                 icon_list_toggle_by_mime_info
 444                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 445                 gtkut_ctree_set_focus_row(ctree, node);
 446         }
 447 }
 448
 449 #ifdef USE_PTHREAD
 450 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 451 #endif
 452
 453 static void mimeview_free_mimeinfo(MimeView *mimeview)
 454 {
 455         gboolean defer = FALSE;
 456 #ifdef USE_PTHREAD
 457         defer = (mimeview->check_data != NULL);
 458         if (defer)
 459                 mimeview->check_data->free_after_use = TRUE;
 460 #endif
 461         if (mimeview->mimeinfo != NULL && !defer) {
 462                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 463                 mimeview->mimeinfo = NULL;
 464         } else if (defer) {
 465 #ifdef USE_PTHREAD
 466                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 467                 mimeview_check_sig_cancel_now(mimeview);
 468 #endif
 469         }
 470 }
 471
 472 void mimeview_destroy(MimeView *mimeview)
 473 {
 474         GSList *cur;
 475
 476         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 477                 MimeViewer *viewer = (MimeViewer *) cur->data;
 478                 viewer->destroy_viewer(viewer);
 479         }
 480         g_slist_free(mimeview->viewers);
 481         gtk_target_list_unref(mimeview->target_list);
 482
 483         mimeview_free_mimeinfo(mimeview);
 484 #ifdef USE_PTHREAD
 485         if (mimeview->check_data) {
 486                 mimeview->check_data->destroy_mimeview = TRUE;
 487                 debug_print("deferring destroy\n");
 488         } else
 489 #endif
 490         {
 491                 g_free(mimeview->file);
 492                 g_free(mimeview);
 493                 mimeviews = g_slist_remove(mimeviews, mimeview);
 494         }
 495
 496 }
 497
 498 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 499 {
 500         return gtk_ctree_node_get_row_data
 501                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 502 }
 503
 504 gint mimeview_get_selected_part_num(MimeView *mimeview)
 505 {
 506         gint i = 0;
 507         GList *rows = GTK_CLIST(mimeview->ctree)->row_list;
 508         while (rows) {
 509                 if (mimeview->opened == GTK_CTREE_NODE(rows))
 510                         return i;
 511                 i++;
 512                 rows = rows->next;
 513         }
 514         return -1;
 515 }
 516
 517 void mimeview_select_part_num(MimeView *mimeview, gint i)
 518 {
 519         if (i < 0)
 520                 return;
 521         gtk_clist_unselect_all(GTK_CLIST(mimeview->ctree));
 522         gtk_clist_select_row(GTK_CLIST(mimeview->ctree), i, -1);
 523         gtkut_clist_set_focus_row(GTK_CLIST(mimeview->ctree), i);
 524 }
 525
 526 static void mimeview_set_multipart_tree(MimeView *mimeview,
 527                                         MimeInfo *mimeinfo,
 528                                         GtkCTreeNode *parent)
 529 {
 530         GtkCTreeNode *node;
 531
 532         g_return_if_fail(mimeinfo != NULL);
 533
 534         while (mimeinfo != NULL) {
 535                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 536
 537                 if (mimeinfo->node->children)
 538                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 539                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 540         }
 541 }
 542
 543 static const gchar *get_real_part_name(MimeInfo *partinfo)
 544 {
 545         const gchar *name = NULL;
 546
 547         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 548         if (name == NULL)
 549                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 550
 551         return name;
 552 }
 553
 554 static const gchar *get_part_name(MimeInfo *partinfo)
 555 {
 556         const gchar *name;
 557
 558         name = get_real_part_name(partinfo);
 559         if (name == NULL)
 560                 name = "";
 561
 562         return name;
 563 }
 564
 565 static const gchar *get_part_description(MimeInfo *partinfo)
 566 {
 567         if (partinfo->description)
 568                 return partinfo->description;
 569         else
 570                 return get_part_name(partinfo);
 571 }
 572
 573 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 574                                           MimeInfo *partinfo,
 575                                           GtkCTreeNode *parent)
 576 {
 577         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 578         GtkCTreeNode *node;
 579         static gchar content_type[64];
 580         gchar *str[N_MIMEVIEW_COLS];
 581
 582         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 583                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 584         } else {
 585                 g_snprintf(content_type, 64, "UNKNOWN");
 586         }
 587
 588         str[COL_MIMETYPE] = content_type;
 589         str[COL_SIZE] = to_human_readable((goffset)partinfo->length);
 590         if (prefs_common.attach_desc)
 591                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 592         else
 593                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 594
 595         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 596                                      NULL, NULL, NULL, NULL,
 597                                      FALSE, TRUE);
 598         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 599
 600         return node;
 601 }
 602
 603 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 604 {
 605         FILE *fp;
 606         const gchar *fname;
 607
 608         if (!partinfo) return;
 609
 610         fname = mimeview->file;
 611         if (!fname) return;
 612
 613         if ((fp = g_fopen(fname, "rb")) == NULL) {
 614                 FILE_OP_ERROR(fname, "fopen");
 615                 return;
 616         }
 617
 618         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 619                 FILE_OP_ERROR(mimeview->file, "fseek");
 620                 fclose(fp);
 621                 return;
 622         }
 623
 624         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 625         textview_show_part(mimeview->textview, partinfo, fp);
 626
 627         fclose(fp);
 628 }
 629
 630 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 631 {
 632         GSList *cur;
 633         MimeViewerFactory *factory = NULL;
 634         MimeViewer *viewer = NULL;
 635
 636 /*
 637  * FNM_CASEFOLD is a GNU extension
 638  * if its not defined copy the string to the stack and
 639  * convert the copy to lower case
 640  */
 641 #ifndef FNM_CASEFOLD
 642 #define FNM_CASEFOLD 0
 643         Xstrdup_a(content_type, content_type, return NULL);
 644         g_strdown((gchar *)content_type);
 645 #endif
 646
 647         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 648                 MimeViewerFactory *curfactory = cur->data;
 649                 gint i = 0;
 650
 651                 while (curfactory->content_types[i] != NULL) {
 652                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 653                                 debug_print("%s\n", curfactory->content_types[i]);
 654                                 factory = curfactory;
 655                                 break;
 656                         }
 657                         i++;
 658                 }
 659                 if (factory != NULL)
 660                         break;
 661         }
 662         if (factory == NULL)
 663                 return NULL;
 664
 665         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 666                 MimeViewer *curviewer = cur->data;
 667
 668                 if (curviewer->factory == factory)
 669                         return curviewer;
 670         }
 671         viewer = factory->create_viewer();
 672         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 673                 GTK_WIDGET(viewer->get_widget(viewer)));
 674
 675         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 676
 677         return viewer;
 678 }
 679
 680 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 681 {
 682         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 683 }
 684
 685 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 686 {
 687         gchar *content_type = NULL;
 688         MimeViewer *viewer = NULL;
 689
 690         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 691             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 692                 const gchar *filename;
 693
 694                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 695                 if (filename == NULL)
 696                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 697                 if (filename != NULL)
 698                         content_type = procmime_get_mime_type(filename);
 699         } else {
 700                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 701         }
 702
 703         if (content_type != NULL) {
 704                 viewer = get_viewer_for_content_type(mimeview, content_type);
 705                 g_free(content_type);
 706         }
 707
 708         return viewer;
 709 }
 710
 711 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 712 {
 713         MimeViewer *viewer;
 714
 715         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 716         if (viewer == NULL) {
 717                 if (mimeview->mimeviewer != NULL)
 718                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 719                 mimeview->mimeviewer = NULL;
 720                 return FALSE;
 721         }
 722
 723         if (mimeview->mimeviewer != NULL)
 724                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 725
 726         if (mimeview->mimeviewer != viewer) {
 727                 mimeview->mimeviewer = viewer;
 728                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 729         }
 730         viewer->mimeview = mimeview;
 731         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 732
 733         return TRUE;
 734 }
 735
 736 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 737 {
 738         TextView  *textview  = mimeview->textview;
 739         GtkWidget *focused = NULL;
 740
 741         if (mainwindow_get_mainwindow())
 742                 focused = gtkut_get_focused_child(
 743                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 744
 745         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 746             (mimeview->type == type)) return;
 747
 748         switch (type) {
 749         case MIMEVIEW_TEXT:
 750                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 751                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 752                         GTK_WIDGET_PTR(textview)));
 753                 break;
 754         case MIMEVIEW_VIEWER:
 755                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 756                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 757                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 758                 break;
 759         default:
 760                 return;
 761         }
 762         if (focused)
 763                 gtk_widget_grab_focus(focused);
 764         mimeview->type = type;
 765 }
 766
 767 void mimeview_clear(MimeView *mimeview)
 768 {
 769         GtkCList *clist = NULL;
 770
 771         if (!mimeview)
 772                 return;
 773
 774         if (g_slist_find(mimeviews, mimeview) == NULL)
 775                 return;
 776
 777         clist = GTK_CLIST(mimeview->ctree);
 778
 779         noticeview_hide(mimeview->siginfoview);
 780
 781         gtk_clist_clear(clist);
 782         textview_clear(mimeview->textview);
 783         if (mimeview->mimeviewer != NULL)
 784                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 785
 786         mimeview_free_mimeinfo(mimeview);
 787
 788         mimeview->mimeinfo = NULL;
 789
 790         mimeview->opened = NULL;
 791
 792         g_free(mimeview->file);
 793         mimeview->file = NULL;
 794
 795         icon_list_clear(mimeview);
 796         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 797 }
 798
 799 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 800 static void mimeview_check_signature(MimeView *mimeview);
 801 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 802
 803 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 804                                         gboolean special, SignatureStatus code)
 805 {
 806         gchar *text = NULL, *button_text = NULL;
 807         void  *func = NULL;
 808         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 809         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 810
 811         g_return_if_fail(mimeview != NULL);
 812         g_return_if_fail(mimeinfo != NULL);
 813
 814         if (special)
 815                 mycode = code;
 816         else
 817                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 818
 819         switch (mycode) {
 820         case SIGNATURE_UNCHECKED:
 821                 button_text = _("Check signature");
 822                 func = check_signature_cb;
 823                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 824                 break;
 825         case SIGNATURE_OK:
 826                 button_text = _("View full information");
 827                 func = display_full_info_cb;
 828                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 829                 break;
 830         case SIGNATURE_WARN:
 831                 button_text = _("View full information");
 832                 func = display_full_info_cb;
 833                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 834                 break;
 835         case SIGNATURE_KEY_EXPIRED:
 836                 button_text = _("View full information");
 837                 func = display_full_info_cb;
 838                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
 839                 break;
 840         case SIGNATURE_INVALID:
 841                 button_text = _("View full information");
 842                 func = display_full_info_cb;
 843                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 844                 break;
 845         case SIGNATURE_CHECK_FAILED:
 846                 button_text = _("Check again");
 847                 func = check_signature_cb;
 848                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 849         case SIGNATURE_CHECK_TIMEOUT:
 850                 button_text = _("Check again");
 851                 func = check_signature_cb;
 852                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 853         default:
 854                 break;
 855         }
 856         if (mycode == SIGNATURE_UNCHECKED) {
 857                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 858                 text = g_strdup_printf("%s %s",
 859                         tmp, _("Click the icon or hit 'C' to check it."));
 860                 g_free(tmp);
 861         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 862                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 863         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 864                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 865         }
 866
 867         noticeview_set_text(mimeview->siginfoview, text);
 868         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 869
 870         g_free(text);
 871         noticeview_set_button_text(mimeview->siginfoview, NULL);
 872         noticeview_set_button_press_callback(
 873                 mimeview->siginfoview,
 874                 G_CALLBACK(func),
 875                 (gpointer) mimeview);
 876         noticeview_set_icon(mimeview->siginfoview, icon);
 877         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 878 }
 879
 880 #ifdef USE_PTHREAD
 881
 882 /* reset all thread stuff, and do the cleanups we've been left to do */
 883 static void mimeview_check_data_reset(MimeView *mimeview)
 884 {
 885         if (!mimeview->check_data)
 886                 return;
 887
 888         if (mimeview->check_data->free_after_use) {
 889                 debug_print("freeing deferred mimeinfo\n");
 890                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 891         }
 892         if (mimeview->check_data->destroy_mimeview) {
 893                 debug_print("freeing deferred mimeview\n");
 894                 g_free(mimeview->file);
 895                 g_free(mimeview);
 896                 mimeviews = g_slist_remove(mimeviews, mimeview);
 897         }
 898
 899         g_free(mimeview->check_data);
 900         mimeview->check_data = NULL;
 901 }
 902
 903 /* GUI update once the checker thread is done or killed */
 904 static gboolean mimeview_check_sig_thread_cb(void *data)
 905 {
 906         MimeView *mimeview = (MimeView *) data;
 907         MimeInfo *mimeinfo = mimeview->siginfo;
 908
 909         debug_print("mimeview_check_sig_thread_cb\n");
 910
 911         if (mimeinfo == NULL) {
 912                 /* message changed !? */
 913                 g_warning("no more siginfo!\n");
 914                 goto end;
 915         }
 916
 917         if (!mimeview->check_data) {
 918                 g_warning("nothing to check\n");
 919                 return FALSE;
 920         }
 921
 922         if (mimeview->check_data->siginfo != mimeinfo) {
 923                 /* message changed !? */
 924                 g_warning("different siginfo!\n");
 925                 goto end;
 926         }
 927
 928         if (mimeview->check_data->destroy_mimeview ||
 929             mimeview->check_data->free_after_use) {
 930                 debug_print("not bothering, we're changing message\n");
 931                 goto end;
 932         }
 933
 934         /* update status */
 935         if (mimeview->check_data->timeout)
 936                 update_signature_noticeview(mimeview, mimeview->siginfo,
 937                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 938         else
 939                 update_signature_noticeview(mimeview, mimeview->siginfo,
 940                         FALSE, 0);
 941         icon_list_clear(mimeview);
 942         icon_list_create(mimeview, mimeview->mimeinfo);
 943
 944 end:
 945         mimeview_check_data_reset(mimeview);
 946         return FALSE;
 947 }
 948
 949 /* sig checker thread */
 950 static void *mimeview_check_sig_worker_thread(void *data)
 951 {
 952         MimeView *mimeview = (MimeView *)data;
 953         MimeInfo *mimeinfo = mimeview->siginfo;
 954
 955         debug_print("checking...\n");
 956
 957         if (!mimeview->check_data)
 958                 return NULL;
 959
 960         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
 961                 privacy_mimeinfo_check_signature(mimeinfo);
 962         else {
 963                 /* that's strange! we changed message without
 964                  * getting killed. */
 965                 g_warning("different siginfo!\n");
 966                 mimeview_check_data_reset(mimeview);
 967                 return NULL;
 968         }
 969
 970         /* use g_timeout so that GUI updates is done from the
 971          * correct thread */
 972         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 973
 974         return NULL;
 975 }
 976
 977 /* killer thread - acts when the checker didn't work fast
 978  * enough. */
 979 static void *mimeview_check_sig_cancel_thread(void *data)
 980 {
 981         MimeView *mimeview = (MimeView *)data;
 982
 983         if (!mimeview->check_data)
 984                 return NULL; /* nothing to kill ! */
 985
 986         /* wait for a few seconds... */
 987         debug_print("waiting a while\n");
 988
 989         sleep(5);
 990
 991         if (!mimeview->check_data)
 992                 return NULL; /* nothing to kill, it's done in time :) */
 993
 994         /* too late, go away checker thread */
 995         debug_print("killing checker thread\n");
 996         pthread_cancel(mimeview->check_data->th);
 997
 998         /* tell upstream it was a timeout */
 999         mimeview->check_data->timeout = TRUE;
1000         /* use g_timeout so that GUI updates is done from the
1001          * correct thread */
1002         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1003
1004         return NULL;
1005 }
1006
1007 /* get rid of the checker thread right now - used when changing the
1008  * displayed message for example. */
1009 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1010 {
1011         if (!mimeview->check_data)
1012                 return;
1013         debug_print("killing checker thread NOW\n");
1014         pthread_cancel(mimeview->check_data->th);
1015
1016         /* tell upstream it was a timeout */
1017         mimeview->check_data->timeout = TRUE;
1018         mimeview_check_sig_thread_cb(mimeview);
1019         return;
1020 }
1021
1022 /* creates a thread to check the signature, and a second one
1023  * to kill the first one after a timeout */
1024 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1025 {
1026         pthread_t th, th2;
1027         pthread_attr_t detach, detach2;
1028
1029         if (mimeview->check_data) {
1030                 g_warning("already checking it");
1031                 return;
1032         }
1033
1034         mimeview->check_data = g_new0(SigCheckData, 1);
1035         mimeview->check_data->siginfo = mimeview->siginfo;
1036         debug_print("creating thread\n");
1037
1038         /* init thread attributes and create the checker thread */
1039         if (pthread_attr_init(&detach) != 0 ||
1040             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1041             pthread_attr_init(&detach2) != 0 ||
1042             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1043             pthread_create(&th, &detach,
1044                         mimeview_check_sig_worker_thread,
1045                         mimeview) != 0) {
1046                 /* arh. We'll do it synchronously. */
1047                 g_warning("can't create thread");
1048                 g_free(mimeview->check_data);
1049                 mimeview->check_data = NULL;
1050                 return;
1051         } else
1052                 mimeview->check_data->th = th;
1053
1054         /* create the killer thread */
1055         pthread_create(&th2, &detach2,
1056                         mimeview_check_sig_cancel_thread,
1057                         mimeview);
1058 }
1059 #endif
1060
1061 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1062 {
1063         MimeView *mimeview = (MimeView *) user_data;
1064         MimeInfo *mimeinfo = mimeview->siginfo;
1065
1066         if (mimeinfo == NULL)
1067                 return;
1068 #ifdef USE_PTHREAD
1069         if (mimeview->check_data)
1070                 return;
1071 #endif
1072         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1073         GTK_EVENTS_FLUSH();
1074 #ifdef USE_PTHREAD
1075         /* let's do it non-blocking */
1076         mimeview_check_sig_in_thread(mimeview);
1077         if (!mimeview->check_data) /* let's check syncronously */
1078 #endif
1079         {
1080                 debug_print("checking without thread\n");
1081                 privacy_mimeinfo_check_signature(mimeinfo);
1082                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1083                 icon_list_clear(mimeview);
1084                 icon_list_create(mimeview, mimeview->mimeinfo);
1085         }
1086 }
1087
1088 static void mimeview_check_signature(MimeView *mimeview)
1089 {
1090         check_signature_cb(NULL, mimeview);
1091 }
1092
1093 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1094 {
1095         MimeView *mimeview = (MimeView *) user_data;
1096         GtkCTreeNode *node = mimeview->opened;
1097         mimeview->opened = NULL;
1098         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
1099 }
1100
1101 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1102 {
1103         MimeView *mimeview = (MimeView *) user_data;
1104         gchar *siginfo;
1105
1106         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1107         textview_set_text(mimeview->textview, siginfo);
1108         g_free(siginfo);
1109         noticeview_set_button_text(mimeview->siginfoview, NULL);
1110         noticeview_set_button_press_callback(
1111                 mimeview->siginfoview,
1112                 G_CALLBACK(redisplay_email),
1113                 (gpointer) mimeview);
1114         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1115 }
1116
1117 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1118 {
1119         MimeInfo *siginfo;
1120         MimeInfo *first_text;
1121
1122         g_return_if_fail(mimeview != NULL);
1123         g_return_if_fail(selected != NULL);
1124
1125         if (selected->type == MIMETYPE_MESSAGE
1126         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1127                 /* if the first text part is signed, check that */
1128                 first_text = selected;
1129                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1130                         first_text = procmime_mimeinfo_next(first_text);
1131                 }
1132                 if (first_text) {
1133                         update_signature_info(mimeview, first_text);
1134                         return;
1135                 }
1136         }
1137
1138         siginfo = selected;
1139         while (siginfo != NULL) {
1140                 if (privacy_mimeinfo_is_signed(siginfo))
1141                         break;
1142                 siginfo = procmime_mimeinfo_parent(siginfo);
1143         }
1144         mimeview->siginfo = siginfo;
1145
1146         if (siginfo == NULL) {
1147                 noticeview_hide(mimeview->siginfoview);
1148                 return;
1149         }
1150
1151         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1152         noticeview_show(mimeview->siginfoview);
1153 }
1154
1155 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
1156                               MimeView *mimeview)
1157 {
1158         MimeInfo *partinfo;
1159         if (mimeview->opened == node) return;
1160         mimeview->opened = node;
1161         mimeview->spec_part = NULL;
1162         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1163
1164         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1165         if (!partinfo) return;
1166
1167         /* ungrab the mouse event */
1168         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1169                 gtk_grab_remove(GTK_WIDGET(ctree));
1170                 if (gdk_pointer_is_grabbed())
1171                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1172         }
1173
1174         mimeview->textview->default_text = FALSE;
1175
1176         update_signature_info(mimeview, partinfo);
1177
1178         if (!mimeview_show_part(mimeview, partinfo)) {
1179                 switch (partinfo->type) {
1180                 case MIMETYPE_TEXT:
1181                 case MIMETYPE_MESSAGE:
1182                 case MIMETYPE_MULTIPART:
1183                         mimeview_show_message_part(mimeview, partinfo);
1184
1185                         break;
1186                 default:
1187                         mimeview->textview->default_text = TRUE;
1188                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1189                         textview_clear(mimeview->textview);
1190                         textview_show_mime_part(mimeview->textview, partinfo);
1191                         break;
1192                 }
1193         }
1194 }
1195
1196 static void mimeview_start_drag(GtkWidget *widget, gint button,
1197                                 GdkEvent *event, MimeView *mimeview)
1198 {
1199         GdkDragContext *context;
1200         MimeInfo *partinfo;
1201
1202         g_return_if_fail(mimeview != NULL);
1203
1204         partinfo = mimeview_get_selected_part(mimeview);
1205         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1206
1207         context = gtk_drag_begin(widget, mimeview->target_list,
1208                                  GDK_ACTION_COPY, button, event);
1209         gtk_drag_set_icon_default(context);
1210 }
1211
1212 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1213                                     MimeView *mimeview)
1214 {
1215         GtkCList *clist = GTK_CLIST(widget);
1216         gint row, column;
1217
1218         if (!event) return FALSE;
1219
1220         if (event->button == 2 || event->button == 3) {
1221                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1222                                                   &row, &column))
1223                         return FALSE;
1224                 gtk_clist_unselect_all(clist);
1225                 gtk_clist_select_row(clist, row, column);
1226                 gtkut_clist_set_focus_row(clist, row);
1227         }
1228         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1229
1230         return FALSE;
1231 }
1232
1233 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1234                                     MimeView *mimeview)
1235 {
1236         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1237         if (event->direction == GDK_SCROLL_UP) {
1238                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1239         } else {
1240                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1241         }
1242         gtk_vscrollbutton_scroll(scrollbutton);
1243         return TRUE;
1244 }
1245
1246 /* from gdkevents.c */
1247 #define DOUBLE_CLICK_TIME 250
1248
1249 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1250                                     MimeInfo *partinfo)
1251 {
1252         static MimeInfo *lastinfo;
1253         static guint32 lasttime;
1254
1255         if (event->button == 2 ||
1256             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1257                 /* call external program for image, audio or html */
1258                 mimeview_launch(mimeview, partinfo);
1259                 return TRUE;
1260         } else if (event->button == 3) {
1261                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1262                                  partinfo->type == MIMETYPE_IMAGE ||
1263                                  partinfo->type == MIMETYPE_MULTIPART))
1264                         menu_set_sensitive(mimeview->popupfactory,
1265                                            "/Display as text (t)", FALSE);
1266                 else
1267                         menu_set_sensitive(mimeview->popupfactory,
1268                                            "/Display as text (t)", TRUE);
1269                 if (partinfo &&
1270                     partinfo->type == MIMETYPE_APPLICATION &&
1271                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1272                         menu_set_sensitive(mimeview->popupfactory,
1273                                            "/Open (l)", FALSE);
1274                 else
1275                         menu_set_sensitive(mimeview->popupfactory,
1276                                            "/Open (l)", TRUE);
1277
1278                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1279                                   "pop_partinfo", partinfo);
1280
1281                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1282                                NULL, NULL, NULL, NULL,
1283                                event->button, event->time);
1284                 return TRUE;
1285         }
1286
1287         lastinfo = partinfo;
1288         lasttime = event->time;
1289         return FALSE;
1290 }
1291
1292
1293 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1294 {
1295         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1296 }
1297
1298 static void mimeview_select_next_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_NEXT(node);
1306         if (!node)
1307                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), 0);
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 static void mimeview_select_prev_part(MimeView *mimeview)
1320 {
1321         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
1322         GtkCTreeNode *node = mimeview->opened;
1323         MimeInfo *partinfo = NULL;
1324
1325 skip:
1326         node = GTK_CTREE_NODE_PREV(node);
1327         if (!node)
1328                 node = gtk_ctree_node_nth(GTK_CTREE(ctree), GTK_CLIST(ctree)->rows - 1);
1329
1330         if (node) {
1331                 partinfo = gtk_ctree_node_get_row_data(ctree, node);
1332                 if (partinfo->type == MIMETYPE_MULTIPART)
1333                         goto skip;
1334                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1335                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1336                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1337         }
1338 }
1339
1340 #define BREAK_ON_MODIFIER_KEY() \
1341         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1342
1343 #define KEY_PRESS_EVENT_STOP() \
1344         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1345                                        "key_press_event");
1346
1347 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1348                                  MimeView *mimeview)
1349 {
1350         SummaryView *summaryview;
1351         GtkCTree *ctree = GTK_CTREE(widget);
1352
1353         if (!event) return FALSE;
1354         if (!mimeview->opened) return FALSE;
1355
1356         summaryview = mimeview->messageview->mainwin->summaryview;
1357
1358         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1359                 return FALSE;
1360
1361         switch (event->keyval) {
1362         case GDK_space:
1363                 if (mimeview_scroll_page(mimeview, FALSE))
1364                         return TRUE;
1365
1366                 mimeview_select_next_part(mimeview);
1367                 return TRUE;
1368
1369         case GDK_BackSpace:
1370                 mimeview_scroll_page(mimeview, TRUE);
1371                 return TRUE;
1372         case GDK_Return:
1373         case GDK_KP_Enter:
1374                 mimeview_scroll_one_line(mimeview,
1375                                          (event->state & GDK_MOD1_MASK) != 0);
1376                 return TRUE;
1377         case GDK_n:
1378         case GDK_N:
1379                 BREAK_ON_MODIFIER_KEY();
1380                 mimeview_select_next_part(mimeview);
1381                 return TRUE;
1382
1383         case GDK_p:
1384         case GDK_P:
1385                 BREAK_ON_MODIFIER_KEY();
1386                 mimeview_select_prev_part(mimeview);
1387                 return TRUE;
1388
1389         case GDK_y:
1390                 BREAK_ON_MODIFIER_KEY();
1391                 KEY_PRESS_EVENT_STOP();
1392                 mimeview_save_as(mimeview);
1393                 return TRUE;
1394         case GDK_t:
1395                 BREAK_ON_MODIFIER_KEY();
1396                 KEY_PRESS_EVENT_STOP();
1397                 mimeview_display_as_text(mimeview);
1398                 return TRUE;
1399         case GDK_l:
1400                 BREAK_ON_MODIFIER_KEY();
1401                 KEY_PRESS_EVENT_STOP();
1402                 mimeview_launch(mimeview, NULL);
1403                 return TRUE;
1404         case GDK_o:
1405                 BREAK_ON_MODIFIER_KEY();
1406                 KEY_PRESS_EVENT_STOP();
1407                 mimeview_open_with(mimeview);
1408                 return TRUE;
1409         case GDK_c:
1410                 BREAK_ON_MODIFIER_KEY();
1411                 KEY_PRESS_EVENT_STOP();
1412                 mimeview_check_signature(mimeview);
1413                 return TRUE;
1414         case GDK_a:
1415                 BREAK_ON_MODIFIER_KEY();
1416                 KEY_PRESS_EVENT_STOP();
1417                 mimeview_select_next_part(mimeview);
1418                 return TRUE;
1419         default:
1420                 break;
1421         }
1422
1423         if (!mimeview->messageview->mainwin) return FALSE;
1424
1425         summary_pass_key_press_event(summaryview, event);
1426         return TRUE;
1427 }
1428
1429 static void mimeview_drag_data_get(GtkWidget        *widget,
1430                                    GdkDragContext   *drag_context,
1431                                    GtkSelectionData *selection_data,
1432                                    guint             info,
1433                                    guint             time,
1434                                    MimeView         *mimeview)
1435 {
1436         gchar *filename = NULL, *uriname, *tmp;
1437         MimeInfo *partinfo;
1438         gint err;
1439         gint count = 0;
1440
1441         if (!mimeview->opened) return;
1442         if (!mimeview->file) return;
1443
1444         partinfo = mimeview_get_selected_part(mimeview);
1445         if (!partinfo) return;
1446
1447         if (strlen(get_part_name(partinfo)) > 0) {
1448                 filename = g_path_get_basename(get_part_name(partinfo));
1449                 if (*filename == '\0') return;
1450         } else if (partinfo->type == MIMETYPE_MESSAGE
1451                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1452                 gchar *name = NULL;
1453                 GPtrArray *headers = NULL;
1454                 FILE *fp;
1455
1456                 fp = g_fopen(partinfo->data.filename, "rb");
1457                 fseek(fp, partinfo->offset, SEEK_SET);
1458                 headers = procheader_get_header_array_asis(fp);
1459                 if (headers) {
1460                         gint i;
1461                         for (i = 0; i < headers->len; i++) {
1462                                 Header *header = g_ptr_array_index(headers, i);
1463                                 if (procheader_headername_equal(header->name, "Subject")) {
1464                                         unfold_line(header->body);
1465                                         name = g_strconcat(header->body, ".txt", NULL);
1466                                         subst_for_filename(name);
1467                                 }
1468                         }
1469                         procheader_header_array_destroy(headers);
1470                 }
1471                 fclose(fp);
1472                 if (name)
1473                         filename = g_path_get_basename(name);
1474                 g_free(name);
1475         }
1476         if (filename == NULL)
1477                 filename = g_path_get_basename("Unnamed part");
1478
1479         if (!g_utf8_validate(filename, -1, NULL))
1480                 tmp = conv_codeset_strdup(filename,
1481                                 conv_get_locale_charset_str(),
1482                                 CS_UTF_8);
1483         else
1484                 tmp = g_strdup(filename);
1485
1486         if (tmp == NULL) {
1487                 g_warning("filename not in UTF-8");
1488                 tmp = g_strdup("Unnamed part");
1489         }
1490         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1491                                tmp, NULL);
1492
1493 check_new_file:
1494         if (is_file_exist(filename)) {
1495                 gchar *ext = NULL;
1496                 gchar *prefix = NULL;
1497                 gchar *new_name = NULL;
1498                 if (strrchr(tmp, '.')) {
1499                         prefix = g_strdup(tmp);
1500                         ext = g_strdup(strrchr(tmp, '.'));
1501                         *(strrchr(prefix, '.')) = '\0';
1502                 } else {
1503                         prefix = g_strdup(tmp);
1504                         ext = g_strdup("");
1505                 }
1506                 count++;
1507                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1508                 g_free(prefix);
1509                 g_free(ext);
1510                 g_free(filename);
1511                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1512                                new_name, NULL);
1513                 g_free(new_name);
1514                 goto check_new_file;
1515         }
1516
1517         g_free(tmp);
1518
1519         if ((err = procmime_get_part(filename, partinfo)) < 0)
1520                 alertpanel_error
1521                         (_("Couldn't save the part of multipart message: %s"),
1522                                 strerror(-err));
1523
1524         tmp = g_filename_to_uri(filename, NULL, NULL);
1525         uriname = g_strconcat(tmp, "\r\n", NULL);
1526         g_free(tmp);
1527
1528         gtk_selection_data_set(selection_data, selection_data->target, 8,
1529                                (guchar *)uriname, strlen(uriname));
1530
1531         g_free(uriname);
1532         g_free(filename);
1533 }
1534
1535 /**
1536  * Returns a filename (with path) for an attachment
1537  * \param partinfo The attachment to save
1538  * \param basedir The target directory
1539  * \param number Used for dummy filename if attachment is unnamed
1540  */
1541 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1542                                       const gchar *basedir,
1543                                       gint number)
1544 {
1545         gchar *fullname;
1546         gchar *filename;
1547
1548         filename = g_strdup(get_part_name(partinfo));
1549         if (!filename || !*filename)
1550                 filename = g_strdup_printf("noname.%d", number);
1551
1552         if (!g_utf8_validate(filename, -1, NULL)) {
1553                 gchar *tmp = conv_filename_to_utf8(filename);
1554                 g_free(filename);
1555                 filename = tmp;
1556         }
1557
1558         subst_for_filename(filename);
1559
1560         fullname = g_strconcat
1561                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1562                  ? &filename[1] : filename, NULL);
1563
1564         g_free(filename);
1565         filename = conv_filename_from_utf8(fullname);
1566         g_free(fullname);
1567         return filename;
1568 }
1569
1570 /**
1571  * Write a single attachment to file
1572  * \param filename Filename with path
1573  * \param partinfo Attachment to save
1574  */
1575 static gboolean mimeview_write_part(const gchar *filename,
1576                                     MimeInfo *partinfo)
1577 {
1578         gchar *dir;
1579         gint err;
1580
1581         dir= g_path_get_dirname(filename);
1582         if (!is_dir_exist(dir))
1583                 make_dir_hier(dir);
1584         g_free(dir);
1585
1586         if (is_file_exist(filename)) {
1587                 AlertValue aval;
1588                 gchar *res;
1589                 gchar *tmp;
1590
1591                 if (!g_utf8_validate(filename, -1, NULL))
1592                         tmp = conv_filename_to_utf8(filename);
1593                 else
1594                         tmp = g_strdup(filename);
1595
1596                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1597                                       tmp);
1598                 g_free(tmp);
1599                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1600                                   GTK_STOCK_OK, NULL);
1601                 g_free(res);
1602                 if (G_ALERTALTERNATE != aval) return FALSE;
1603         }
1604
1605         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1606                 alertpanel_error
1607                         (_("Couldn't save the part of multipart message: %s"),
1608                                 strerror(-err));
1609                 return FALSE;
1610         }
1611
1612         return TRUE;
1613 }
1614
1615 /**
1616  * Menu callback: Save all attached files
1617  * \param mimeview Current display
1618  */
1619 static void mimeview_save_all(MimeView *mimeview)
1620 {
1621         MimeInfo *partinfo;
1622         gchar *dirname;
1623         gchar *startdir = NULL;
1624         gint number = 1;
1625
1626         if (!mimeview->opened) return;
1627         if (!mimeview->file) return;
1628         if (!mimeview->mimeinfo) return;
1629
1630         partinfo = mimeview->mimeinfo;
1631         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1632                 startdir = g_strconcat(prefs_common.attach_save_dir,
1633                                        G_DIR_SEPARATOR_S, NULL);
1634         else
1635                 startdir = g_strdup(get_home_dir());
1636
1637         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1638         if (!dirname) {
1639                 g_free(startdir);
1640                 return;
1641         }
1642
1643         if (!is_dir_exist (dirname)) {
1644                 alertpanel_error(_("'%s' is not a directory."),
1645                                  dirname);
1646                 g_free(startdir);
1647                 g_free(dirname);
1648                 return;
1649         }
1650
1651         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1652                 dirname[strlen(dirname)-1] = '\0';
1653
1654         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1655         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1656                 partinfo = procmime_mimeinfo_next(partinfo);
1657         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1658                 partinfo = procmime_mimeinfo_next(partinfo);
1659                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1660                         partinfo = procmime_mimeinfo_next(partinfo);
1661         }
1662
1663         while (partinfo != NULL) {
1664                 if (partinfo->type != MIMETYPE_MESSAGE &&
1665                     partinfo->type != MIMETYPE_MULTIPART &&
1666                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1667                      || get_real_part_name(partinfo) != NULL)) {
1668                         gchar *filename = mimeview_get_filename_for_part
1669                                 (partinfo, dirname, number++);
1670
1671                         mimeview_write_part(filename, partinfo);
1672                         g_free(filename);
1673                 }
1674                 partinfo = procmime_mimeinfo_next(partinfo);
1675         }
1676
1677         g_free(prefs_common.attach_save_dir);
1678         g_free(startdir);
1679         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1680                                         -1, NULL, NULL, NULL);
1681         g_free(dirname);
1682 }
1683
1684 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1685 {
1686         MimeInfo *partinfo = NULL;
1687         if (mimeview->spec_part) {
1688                 partinfo = mimeview->spec_part;
1689                 mimeview->spec_part = NULL;
1690         } else {
1691                 partinfo = (MimeInfo *) g_object_get_data
1692                          (G_OBJECT(mimeview->popupmenu),
1693                          "pop_partinfo");
1694                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1695                                   "pop_partinfo", NULL);
1696                 if (!partinfo) {
1697                         partinfo = mimeview_get_selected_part(mimeview);
1698                 }
1699         }
1700
1701         return partinfo;
1702 }
1703 /**
1704  * Menu callback: Save the selected attachment
1705  * \param mimeview Current display
1706  */
1707 static void mimeview_save_as(MimeView *mimeview)
1708 {
1709         gchar *filename;
1710         gchar *filepath = NULL;
1711         gchar *filedir = NULL;
1712         MimeInfo *partinfo;
1713         gchar *partname = NULL;
1714
1715         if (!mimeview->opened) return;
1716         if (!mimeview->file) return;
1717
1718         partinfo = mimeview_get_part_to_use(mimeview);
1719
1720         g_return_if_fail(partinfo != NULL);
1721
1722         if (get_part_name(partinfo) == NULL) {
1723                 return;
1724         }
1725         partname = g_strdup(get_part_name(partinfo));
1726
1727         if (!g_utf8_validate(partname, -1, NULL)) {
1728                 gchar *tmp = conv_filename_to_utf8(partname);
1729                 if (!tmp) {
1730                         tmp = conv_codeset_strdup(partname,
1731                                 conv_get_locale_charset_str(),
1732                                 CS_UTF_8);
1733                 }
1734                 if (tmp) {
1735                         g_free(partname);
1736                         partname = tmp;
1737                 }
1738         }
1739
1740         subst_for_filename(partname);
1741
1742         if (prefs_common.attach_save_dir)
1743                 filepath = g_strconcat(prefs_common.attach_save_dir,
1744                                        G_DIR_SEPARATOR_S, partname, NULL);
1745         else
1746                 filepath = g_strdup(partname);
1747
1748         g_free(partname);
1749
1750         filename = filesel_select_file_save(_("Save as"), filepath);
1751         if (!filename) {
1752                 g_free(filepath);
1753                 return;
1754         }
1755
1756         mimeview_write_part(filename, partinfo);
1757
1758         filedir = g_path_get_dirname(filename);
1759         if (filedir && strcmp(filedir, ".")) {
1760                 g_free(prefs_common.attach_save_dir);
1761                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1762         }
1763
1764         g_free(filedir);
1765         g_free(filepath);
1766 }
1767
1768 static void mimeview_display_as_text(MimeView *mimeview)
1769 {
1770         MimeInfo *partinfo;
1771
1772         if (!mimeview->opened) return;
1773
1774         partinfo = mimeview_get_part_to_use(mimeview);
1775         mimeview_select_mimepart_icon(mimeview, partinfo);
1776         g_return_if_fail(partinfo != NULL);
1777         mimeview_show_message_part(mimeview, partinfo);
1778 }
1779
1780 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
1781 {
1782         gchar *filename;
1783         gint err;
1784
1785         if (!mimeview->opened) return;
1786         if (!mimeview->file) return;
1787
1788         if (!partinfo)
1789                 partinfo = mimeview_get_part_to_use(mimeview);
1790
1791         g_return_if_fail(partinfo != NULL);
1792
1793         filename = procmime_get_tmp_file_name(partinfo);
1794
1795         if ((err = procmime_get_part(filename, partinfo)) < 0)
1796                 alertpanel_error
1797                         (_("Couldn't save the part of multipart message: %s"),
1798                                 strerror(-err));
1799         else
1800                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1801
1802         g_free(filename);
1803 }
1804
1805 static void mimeview_open_with(MimeView *mimeview)
1806 {
1807         MimeInfo *partinfo;
1808
1809         if (!mimeview) return;
1810         if (!mimeview->opened) return;
1811         if (!mimeview->file) return;
1812
1813         partinfo = mimeview_get_part_to_use(mimeview);
1814
1815         mimeview_open_part_with(mimeview, partinfo, FALSE);
1816 }
1817
1818 #ifdef MAEMO
1819 osso_context_t *get_osso_context(void);
1820 #endif
1821 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1822 {
1823         gchar *filename;
1824         gchar *cmd;
1825         gchar *mime_command = NULL;
1826         gchar *content_type = NULL;
1827         gint err;
1828 #ifdef MAEMO
1829         DBusConnection *dbusconn;
1830         gchar *uri;
1831         int r = 0;
1832 #endif
1833         g_return_if_fail(partinfo != NULL);
1834
1835         filename = procmime_get_tmp_file_name(partinfo);
1836
1837         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1838                 alertpanel_error
1839                         (_("Couldn't save the part of multipart message: %s"),
1840                                 strerror(-err));
1841                 g_free(filename);
1842                 return;
1843         }
1844
1845         if (!prefs_common.mime_open_cmd_history)
1846                 prefs_common.mime_open_cmd_history =
1847                         add_history(NULL, prefs_common.mime_open_cmd);
1848
1849         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1850             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1851                 /* guess content-type from filename */
1852                 content_type = procmime_get_mime_type(filename);
1853         }
1854         if (content_type == NULL) {
1855                 content_type = procmime_get_content_type_str(partinfo->type,
1856                         partinfo->subtype);
1857         }
1858
1859 #ifdef MAEMO
1860         if (content_type != NULL) {
1861                 uri = g_filename_to_uri(filename, NULL, NULL);
1862                 dbusconn = osso_get_dbus_connection (get_osso_context());
1863 #ifdef CHINOOK
1864                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1865 #else
1866                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1867 #endif
1868                 g_free(uri);
1869         }
1870         if (r != 1) {
1871                 alertpanel_error(_("No registered viewer for this file type."));
1872         }
1873         goto out;
1874 #endif
1875
1876         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1877         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
1878                 mime_command = g_strdup(prefs_common_get_uri_cmd());
1879                 g_free(content_type);
1880                 content_type = NULL;
1881         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
1882         ||  !prefs_common_get_ext_editor_cmd()[0]) {
1883                 mime_command = mailcap_get_command_for_type(content_type, filename);
1884         } else {
1885                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
1886                 g_free(content_type);
1887                 content_type = NULL;
1888         }
1889         if (mime_command == NULL) {
1890                 /* try with extension this time */
1891                 g_free(content_type);
1892                 content_type = procmime_get_mime_type(filename);
1893                 mime_command = mailcap_get_command_for_type(content_type, filename);
1894         }
1895
1896         if (mime_command == NULL)
1897                 automatic = FALSE;
1898
1899         if (!automatic) {
1900                 gboolean remember = FALSE;
1901                 if (content_type != NULL)
1902                         cmd = input_dialog_combo_remember
1903                                 (_("Open with"),
1904                                  _("Enter the command line to open file:\n"
1905                                    "('%s' will be replaced with file name)"),
1906                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1907                                  prefs_common.mime_open_cmd_history, &remember);
1908                 else
1909                         cmd = input_dialog_combo
1910                                 (_("Open with"),
1911                                  _("Enter the command line to open file:\n"
1912                                    "('%s' will be replaced with file name)"),
1913                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1914                                  prefs_common.mime_open_cmd_history);
1915                 if (cmd && remember) {
1916                         mailcap_update_default(content_type, cmd);
1917                 }
1918                 g_free(mime_command);
1919         } else {
1920                 cmd = mime_command;
1921         }
1922         if (cmd) {
1923                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1924                 g_free(prefs_common.mime_open_cmd);
1925                 prefs_common.mime_open_cmd = cmd;
1926                 prefs_common.mime_open_cmd_history =
1927                         add_history(prefs_common.mime_open_cmd_history, cmd);
1928         }
1929 #ifdef MAEMO
1930 out:
1931 #endif
1932         g_free(content_type);
1933         g_free(filename);
1934 }
1935
1936 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1937                                const gchar *cmd, MimeView *mimeview)
1938 {
1939         gchar *p;
1940         gchar buf[BUFFSIZE];
1941         if (cmd == NULL)
1942                 mimeview_open_part_with(mimeview, partinfo, TRUE);
1943         else {
1944                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1945                     !strchr(p + 2, '%')) {
1946                         g_snprintf(buf, sizeof(buf), cmd, filename);
1947                         if (!prefs_common.save_parts_readwrite)
1948                                 g_chmod(filename, S_IRUSR);
1949                         else
1950                                 g_chmod(filename, S_IRUSR|S_IWUSR);
1951                 } else {
1952                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1953                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1954                 }
1955                 if (execute_command_line(buf, TRUE) != 0) {
1956                         if (!prefs_common.save_parts_readwrite)
1957                                 g_chmod(filename, S_IRUSR|S_IWUSR);
1958                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1959                 }
1960         }
1961 }
1962
1963 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1964 {
1965         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1966 }
1967
1968 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1969 {
1970         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1971 }
1972
1973 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1974 {
1975         GSList *mimeview_list, *viewer_list;
1976
1977         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1978                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1979
1980                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1981                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1982                         mimeview->mimeviewer = NULL;
1983                 }
1984
1985                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1986                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1987
1988                         mimeviewer->destroy_viewer(mimeviewer);
1989                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1990                 }
1991         }
1992
1993         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1994 }
1995
1996 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1997 {
1998         gint      num;
1999         MimeInfo *partinfo;
2000
2001         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2002         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2003
2004         if (event->button == 1) {
2005                 icon_selected(mimeview, num, partinfo);
2006                 gtk_widget_grab_focus(button);
2007         }
2008         part_button_pressed(mimeview, event, partinfo);
2009         icon_list_toggle_by_mime_info(mimeview, partinfo);
2010
2011         return FALSE;
2012 }
2013
2014 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2015 {
2016         GtkCTreeNode *node;
2017         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
2018
2019         if (node)
2020                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
2021 }
2022
2023 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2024 {
2025         icon_list_toggle_by_mime_info(mimeview, partinfo);
2026         icon_selected(mimeview, -1, partinfo);
2027 }
2028
2029 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2030                              MimeView *mimeview)
2031 {
2032         gint          num;
2033         MimeInfo     *partinfo;
2034         SummaryView  *summaryview;
2035         TextView     *textview;
2036
2037         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2038         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2039
2040         if (!event) return FALSE;
2041
2042         textview = mimeview->textview;
2043
2044         switch (event->keyval) {
2045         case GDK_space:
2046                 if (mimeview_scroll_page(mimeview, FALSE))
2047                         return TRUE;
2048
2049                 mimeview_select_next_part(mimeview);
2050                 return TRUE;
2051
2052                 break;
2053         case GDK_BackSpace:
2054                 mimeview_scroll_page(mimeview, TRUE);
2055                 return TRUE;
2056         case GDK_Return:
2057         case GDK_KP_Enter:
2058                 mimeview_scroll_one_line(mimeview,
2059                                          (event->state & GDK_MOD1_MASK) != 0);
2060                 return TRUE;
2061
2062         case GDK_n:
2063         case GDK_N:
2064                 BREAK_ON_MODIFIER_KEY();
2065                 mimeview_select_next_part(mimeview);
2066                 return TRUE;
2067
2068         case GDK_p:
2069         case GDK_P:
2070                 BREAK_ON_MODIFIER_KEY();
2071                 mimeview_select_prev_part(mimeview);
2072                 break;
2073
2074         case GDK_y:
2075                 BREAK_ON_MODIFIER_KEY();
2076                 mimeview_save_as(mimeview);
2077                 return TRUE;
2078         case GDK_t:
2079                 BREAK_ON_MODIFIER_KEY();
2080                 mimeview_display_as_text(mimeview);
2081                 return TRUE;
2082         case GDK_l:
2083                 BREAK_ON_MODIFIER_KEY();
2084                 mimeview_launch(mimeview, NULL);
2085                 return TRUE;
2086         case GDK_o:
2087                 BREAK_ON_MODIFIER_KEY();
2088                 mimeview_open_with(mimeview);
2089                 return TRUE;
2090         case GDK_c:
2091                 BREAK_ON_MODIFIER_KEY();
2092                 mimeview_check_signature(mimeview);
2093                 return TRUE;
2094         case GDK_a:
2095                 BREAK_ON_MODIFIER_KEY();
2096                 mimeview_select_next_part(mimeview);
2097                 return TRUE;
2098         default:
2099                 break;
2100         }
2101
2102         if (!mimeview->messageview->mainwin) return FALSE;
2103         summaryview = mimeview->messageview->mainwin->summaryview;
2104         return summary_pass_key_press_event(summaryview, event);
2105 }
2106
2107 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2108 {
2109         MimeView *mimeview = (MimeView *)data;
2110         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2111
2112         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2113                           "pop_partinfo", partinfo);
2114         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2115                        NULL, NULL, NULL, NULL,
2116                        0, gtk_get_current_event_time());
2117         return TRUE;
2118 }
2119
2120 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2121 {
2122         GtkWidget *pixmap = NULL;
2123         GtkWidget *vbox;
2124         GtkWidget *button;
2125         gchar *tip;
2126         gchar *tiptmp;
2127         const gchar *desc = NULL;
2128         gchar *sigshort = NULL;
2129         gchar *content_type;
2130         StockPixmap stockp;
2131         MimeInfo *partinfo;
2132         MimeInfo *siginfo = NULL;
2133         MimeInfo *encrypted = NULL;
2134
2135         vbox = mimeview->icon_vbox;
2136         mimeview->icon_count++;
2137         button = gtk_event_box_new();
2138
2139         g_signal_connect(G_OBJECT(button), "visibility-notify-event",
2140                          G_CALLBACK(mimeview_visi_notify), mimeview);
2141         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2142                          G_CALLBACK(mimeview_visi_notify), mimeview);
2143         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2144                          G_CALLBACK(mimeview_leave_notify), mimeview);
2145         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2146                          G_CALLBACK(mimeview_enter_notify), mimeview);
2147
2148         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2149         g_object_set_data(G_OBJECT(button), "icon_number",
2150                           GINT_TO_POINTER(mimeview->icon_count));
2151         g_object_set_data(G_OBJECT(button), "partinfo",
2152                           mimeinfo);
2153
2154         switch (mimeinfo->type) {
2155
2156         case MIMETYPE_TEXT:
2157                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2158                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2159                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2160                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2161                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2162                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2163                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2164                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2165                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2166                 else
2167                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2168                 break;
2169         case MIMETYPE_MESSAGE:
2170                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2171                 break;
2172         case MIMETYPE_APPLICATION:
2173                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature"))
2174                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2175                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2176                         stockp = STOCK_PIXMAP_MIME_PDF;
2177                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2178                         stockp = STOCK_PIXMAP_MIME_PS;
2179                 else
2180                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2181                 break;
2182         case MIMETYPE_IMAGE:
2183                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2184                 break;
2185         case MIMETYPE_AUDIO:
2186                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2187                 break;
2188         default:
2189                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2190                 break;
2191         }
2192
2193         partinfo = mimeinfo;
2194         while (partinfo != NULL) {
2195                 if (privacy_mimeinfo_is_signed(partinfo)) {
2196                         siginfo = partinfo;
2197                         break;
2198                 }
2199                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2200                         encrypted = partinfo;
2201                         break;
2202                 }
2203                 partinfo = procmime_mimeinfo_parent(partinfo);
2204         }
2205
2206         if (siginfo != NULL) {
2207                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2208                 case SIGNATURE_UNCHECKED:
2209                 case SIGNATURE_CHECK_FAILED:
2210                 case SIGNATURE_CHECK_TIMEOUT:
2211                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2212                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2213                         break;
2214                 case SIGNATURE_OK:
2215                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2216                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2217                         break;
2218                 case SIGNATURE_WARN:
2219                 case SIGNATURE_KEY_EXPIRED:
2220                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2221                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2222                         break;
2223                 case SIGNATURE_INVALID:
2224                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2225                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2226                         break;
2227                 }
2228                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2229         } else if (encrypted != NULL) {
2230                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2231                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2232         } else {
2233                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2234                                                           OVERLAY_NONE, 6, 3);
2235         }
2236         gtk_container_add(GTK_CONTAINER(button), pixmap);
2237         if (!desc) {
2238                 if (prefs_common.attach_desc)
2239                         desc = get_part_description(mimeinfo);
2240                 else
2241                         desc = get_part_name(mimeinfo);
2242         }
2243
2244         content_type = procmime_get_content_type_str(mimeinfo->type,
2245                                                      mimeinfo->subtype);
2246
2247         tip = g_strjoin("\n", content_type,
2248                         to_human_readable((goffset)mimeinfo->length), NULL);
2249         g_free(content_type);
2250         if (desc && *desc) {
2251                 gchar *tmp = NULL;
2252                 if (!g_utf8_validate(desc, -1, NULL)) {
2253                         tmp = conv_filename_to_utf8(desc);
2254                 } else {
2255                         tmp = g_strdup(desc);
2256                 }
2257                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2258                 g_free(tip);
2259                 tip = tiptmp;
2260                 g_free(tmp);
2261         }
2262         if (sigshort && *sigshort) {
2263                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2264                 g_free(tip);
2265                 tip = tiptmp;
2266         }
2267         g_free(sigshort);
2268
2269         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
2270         g_free(tip);
2271         gtk_widget_show_all(button);
2272         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2273                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2274 #ifndef MAEMO
2275         g_signal_connect(G_OBJECT(button), "popup-menu",
2276                          G_CALLBACK(icon_popup_menu), mimeview);
2277 #else
2278         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2279                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2280         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2281                          G_CALLBACK(icon_popup_menu), mimeview);
2282 #endif
2283         g_signal_connect(G_OBJECT(button), "button_release_event",
2284                          G_CALLBACK(icon_clicked_cb), mimeview);
2285         g_signal_connect(G_OBJECT(button), "key_press_event",
2286                          G_CALLBACK(icon_key_pressed), mimeview);
2287         g_signal_connect(G_OBJECT(button), "drag_data_get",
2288                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2289         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2290 #ifdef GENERIC_UMPC
2291         gtk_widget_set_size_request(vbox, -1, pixmap->requisition.height + 8);
2292         gtk_widget_set_size_request(button, -1, pixmap->requisition.height + 4);
2293 #endif
2294
2295 }
2296
2297 static void icon_list_clear (MimeView *mimeview)
2298 {
2299         GList     *child;
2300         GtkAdjustment *adj;
2301
2302         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2303         for (; child != NULL; child = g_list_next(child)) {
2304                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2305                                        GTK_WIDGET(child->data));
2306                 gtk_widget_destroy(GTK_WIDGET(child->data));
2307         }
2308         g_list_free(child);
2309         mimeview->icon_count = 0;
2310         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2311         gtk_adjustment_set_value(adj, adj->lower);
2312         gtk_adjustment_changed(adj);
2313 }
2314
2315 /*!
2316  *\brief        Used to 'click' the next or previous icon.
2317  *
2318  *\return       true if the icon 'number' exists and was selected.
2319  */
2320 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2321                                          GtkAllocation *size, MimeView *mimeview)
2322 {
2323         GtkAllocation *mainbox_size;
2324         GtkAllocation *vbox_size;
2325         GtkAllocation *layout_size;
2326         GtkAdjustment *adj;
2327
2328         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2329
2330         mainbox_size = &mimeview->icon_mainbox->allocation;
2331         vbox_size = &mimeview->icon_vbox->allocation;
2332         layout_size = &mimeview->icon_scroll->allocation;
2333
2334         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2335                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2336                             MAX(vbox_size->height, layout_size->height));
2337         adj->step_increment = 10;
2338 }
2339
2340 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2341 {
2342         GtkRequisition size;
2343
2344         g_return_if_fail(mimeinfo != NULL);
2345
2346         while (mimeinfo != NULL) {
2347                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2348                         icon_list_append_icon(mimeview, mimeinfo);
2349                 if (mimeinfo->node->children != NULL)
2350                         icon_list_create(mimeview,
2351                                 (MimeInfo *) mimeinfo->node->children->data);
2352                 mimeinfo = mimeinfo->node->next != NULL
2353                          ? (MimeInfo *) mimeinfo->node->next->data
2354                          : NULL;
2355         }
2356         gtk_widget_size_request(mimeview->icon_vbox, &size);
2357         if (size.width > mimeview->icon_mainbox->requisition.width) {
2358                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2359                                             size.width, -1);
2360         }
2361 }
2362
2363 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2364                                            MimeInfo     *mimeinfo)
2365 {
2366         GList *child;
2367
2368         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2369         for (; child != NULL; child = g_list_next(child)) {
2370                 if (!GTK_IS_EVENT_BOX(child->data))
2371                         continue;
2372                 if(g_object_get_data(G_OBJECT(child->data),
2373                                       "partinfo") == (gpointer)mimeinfo) {
2374                         gboolean *highlight = NULL;
2375                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2376                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2377                         *highlight = TRUE;
2378                         gtk_widget_queue_draw(icon);
2379                 } else {
2380                         gint *highlight = NULL;
2381                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2382                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2383                         *highlight = FALSE;
2384                         gtk_widget_queue_draw(icon);
2385                 }
2386         }
2387 }
2388
2389 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2390                                     MimeView *mimeview)
2391 {
2392         gtk_widget_ref(button);
2393
2394         mimeview_leave_notify(button, NULL, NULL);
2395
2396         mimeview->ctree_mode = !mimeview->ctree_mode;
2397         if (mimeview->ctree_mode) {
2398                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
2399                                         GTK_SHADOW_NONE);
2400                 gtk_widget_hide(mimeview->icon_mainbox);
2401                 gtk_widget_show(mimeview->ctree_mainbox);
2402                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2403
2404                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2405                                         button);
2406                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2407                                    button, FALSE, FALSE, 0);
2408                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
2409         } else {
2410                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
2411                               GTK_SHADOW_NONE);
2412                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2413                 gtk_widget_hide(mimeview->ctree_mainbox);
2414                 gtk_widget_show(mimeview->icon_mainbox);
2415                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2416
2417                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2418                                         button);
2419                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2420                                    button, FALSE, FALSE, 0);
2421                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2422                 if (mimeview->opened)
2423                         icon_list_toggle_by_mime_info
2424                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
2425                                                                        mimeview->opened));
2426
2427                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
2428         }
2429         gtk_widget_unref(button);
2430         return TRUE;
2431 }
2432
2433 void mimeview_update (MimeView *mimeview) {
2434         if (mimeview && mimeview->mimeinfo) {
2435                 icon_list_clear(mimeview);
2436                 icon_list_create(mimeview, mimeview->mimeinfo);
2437         }
2438 }
2439
2440 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2441 {
2442         MessageView *msgview = NULL;
2443         MainWindow *mainwin = NULL;
2444
2445         if (!cmd)
2446                 return;
2447
2448         msgview = mimeview->messageview;
2449         if (!msgview)
2450                 return;
2451
2452         mainwin = msgview->mainwin;
2453         if (!mainwin)
2454                 return;
2455
2456         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2457                           "pop_partinfo", NULL);
2458
2459         if (!strcmp(cmd, "sc://view_log"))
2460                 log_window_show(mainwin->logwin);
2461         else if (!strcmp(cmd, "sc://save_as"))
2462                 mimeview_save_as(mimeview);
2463         else if (!strcmp(cmd, "sc://display_as_text"))
2464                 mimeview_display_as_text(mimeview);
2465         else if (!strcmp(cmd, "sc://open_with"))
2466                 mimeview_open_with(mimeview);
2467         else if (!strcmp(cmd, "sc://open"))
2468                 mimeview_launch(mimeview, NULL);
2469         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2470                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2471                 icon_selected(mimeview, -1, (MimeInfo *)data);
2472         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2473                 mimeview_launch(mimeview, (MimeInfo *)data);
2474         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2475                 mimeview->spec_part = (MimeInfo *)data;
2476                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2477         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2478                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2479                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2480                 gtk_toggle_button_set_active(
2481                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2482                                 TRUE);
2483                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2484                                 QUICK_SEARCH_EXTENDED, buf);
2485                 g_free(buf);
2486         }
2487 }
2488
2489 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2490 {
2491         if (mimeview->type == MIMEVIEW_TEXT)
2492                 return textview_scroll_page(mimeview->textview, up);
2493         else if (mimeview->mimeviewer) {
2494                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2495                 if (mimeviewer->scroll_page)
2496                         return mimeviewer->scroll_page(mimeviewer, up);
2497         }
2498         return TRUE;
2499 }
2500
2501 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2502 {
2503         if (mimeview->type == MIMEVIEW_TEXT)
2504                 textview_scroll_one_line(mimeview->textview, up);
2505         else if (mimeview->mimeviewer) {
2506                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2507                 if (mimeviewer->scroll_one_line)
2508                         mimeviewer->scroll_one_line(mimeviewer, up);
2509         }
2510 }