src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2006 Hiroyuki Yamamoto and the Sylpheed-Claws 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 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #endif
  23
  24 #include "defs.h"
  25
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <gtk/gtknotebook.h>
  30 #include <gtk/gtkscrolledwindow.h>
  31 #include <gtk/gtkctree.h>
  32 #include <gtk/gtkvbox.h>
  33 #include <gtk/gtkhbox.h>
  34 #include <gtk/gtkvpaned.h>
  35 #include <gtk/gtktext.h>
  36 #include <gtk/gtksignal.h>
  37 #include <gtk/gtkmenu.h>
  38 #include <gtk/gtkdnd.h>
  39 #include <gtk/gtkselection.h>
  40 #include <gtk/gtktooltips.h>
  41 #include <gtk/gtkcontainer.h>
  42 #include <gtk/gtkbutton.h>
  43 #include <stdio.h>
  44
  45 #ifndef HAVE_APACHE_FNMATCH
  46 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  47  * fnmatch.h */
  48 #include <fnmatch.h>
  49 #endif
  50
  51 #include "main.h"
  52 #include "mimeview.h"
  53 #include "textview.h"
  54 #include "procmime.h"
  55 #include "summaryview.h"
  56 #include "menu.h"
  57 #include "filesel.h"
  58 #include "alertpanel.h"
  59 #include "inputdialog.h"
  60 #include "utils.h"
  61 #include "gtkutils.h"
  62 #include "prefs_common.h"
  63 #include "procheader.h"
  64 #include "stock_pixmap.h"
  65 #include "gtk/gtkvscrollbutton.h"
  66 #include "gtk/logwindow.h"
  67 #include "timing.h"
  68
  69 typedef enum
  70 {
  71         COL_MIMETYPE = 0,
  72         COL_SIZE     = 1,
  73         COL_NAME     = 2
  74 } MimeViewColumnPos;
  75
  76 #define N_MIMEVIEW_COLS 3
  77
  78 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  79                                                  MimeInfo       *mimeinfo,
  80                                                  GtkCTreeNode   *parent);
  81 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  82                                                  MimeInfo       *partinfo,
  83                                                  GtkCTreeNode   *parent);
  84 static void mimeview_show_message_part          (MimeView       *mimeview,
  85                                                  MimeInfo       *partinfo);
  86 static void mimeview_change_view_type           (MimeView       *mimeview,
  87                                                  MimeViewType    type);
  88 gchar *mimeview_get_filename_for_part           (MimeInfo       *partinfo,
  89                                                  const gchar    *basedir,
  90                                                  gint            number);
  91 static gboolean mimeview_write_part             (const gchar    *filename,
  92                                                  MimeInfo       *partinfo);
  93
  94 static void mimeview_selected           (GtkCTree       *ctree,
  95                                          GtkCTreeNode   *node,
  96                                          gint            column,
  97                                          MimeView       *mimeview);
  98 static void mimeview_start_drag         (GtkWidget      *widget,
  99                                          gint            button,
 100                                          GdkEvent       *event,
 101                                          MimeView       *mimeview);
 102 static gint mimeview_button_pressed     (GtkWidget      *widget,
 103                                          GdkEventButton *event,
 104                                          MimeView       *mimeview);
 105 static gint mimeview_key_pressed        (GtkWidget      *widget,
 106                                          GdkEventKey    *event,
 107                                          MimeView       *mimeview);
 108
 109 static void mimeview_drag_data_get      (GtkWidget        *widget,
 110                                          GdkDragContext   *drag_context,
 111                                          GtkSelectionData *selection_data,
 112                                          guint             info,
 113                                          guint             time,
 114                                          MimeView         *mimeview);
 115
 116 static gboolean mimeview_scrolled       (GtkWidget      *widget,
 117                                          GdkEventScroll *event,
 118                                          MimeView       *mimeview);
 119 static void mimeview_display_as_text    (MimeView       *mimeview);
 120 static void mimeview_save_as            (MimeView       *mimeview);
 121 static void mimeview_save_all           (MimeView       *mimeview);
 122 static void mimeview_launch             (MimeView       *mimeview);
 123 static void mimeview_open_with          (MimeView       *mimeview);
 124 static void mimeview_open_part_with     (MimeView       *mimeview,
 125                                          MimeInfo       *partinfo,
 126                                          gboolean        automatic);
 127 static void mimeview_view_file          (const gchar    *filename,
 128                                          MimeInfo       *partinfo,
 129                                          const gchar    *cmd,
 130                                          MimeView       *mimeview);
 131 static gboolean icon_clicked_cb         (GtkWidget      *button,
 132                                          GdkEventButton *event,
 133                                          MimeView       *mimeview);
 134 static void icon_selected               (MimeView       *mimeview,
 135                                          gint            num,
 136                                          MimeInfo       *partinfo);
 137 static gint icon_key_pressed            (GtkWidget      *button,
 138                                          GdkEventKey    *event,
 139                                          MimeView       *mimeview);
 140 static void toggle_icon                 (GtkToggleButton *button,
 141                                          MimeView       *mimeview);
 142 static void icon_list_append_icon       (MimeView       *mimeview,
 143                                          MimeInfo       *mimeinfo);
 144 static void icon_list_create            (MimeView       *mimeview,
 145                                          MimeInfo       *mimeinfo);
 146 static void icon_list_clear             (MimeView       *mimeview);
 147 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 148                                            MimeInfo     *mimeinfo);
 149 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 150                                            gint          number);
 151 static void mime_toggle_button_cb       (GtkWidget      *button,
 152                                          MimeView       *mimeview);
 153 static gboolean part_button_pressed     (MimeView       *mimeview,
 154                                          GdkEventButton *event,
 155                                          MimeInfo       *partinfo);
 156 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 157                                          GtkAllocation  *layout_size,
 158                                          MimeView       *mimeview);
 159
 160 static GtkItemFactoryEntry mimeview_popup_entries[] =
 161 {
 162         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 163         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 164         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 165         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 166         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 167 };
 168
 169 static GtkTargetEntry mimeview_mime_types[] =
 170 {
 171         {"text/uri-list", 0, 0}
 172 };
 173
 174 GSList *mimeviewer_factories;
 175 GSList *mimeviews;
 176
 177 MimeView *mimeview_create(MainWindow *mainwin)
 178 {
 179         MimeView *mimeview;
 180
 181         GtkWidget *paned;
 182         GtkWidget *scrolledwin;
 183         GtkWidget *ctree;
 184         GtkWidget *mime_notebook;
 185         GtkWidget *popupmenu;
 186         GtkWidget *ctree_mainbox;
 187         GtkWidget *vbox;
 188         GtkWidget *mime_toggle;
 189         GtkWidget *icon_mainbox;
 190         GtkWidget *icon_scroll;
 191         GtkWidget *icon_vbox;
 192         GtkWidget *arrow;
 193         GtkWidget *scrollbutton;
 194         GtkWidget *hbox;
 195         GtkTooltips *tooltips;
 196         GtkItemFactory *popupfactory;
 197         NoticeView *siginfoview;
 198         gchar *titles[N_MIMEVIEW_COLS];
 199         gint n_entries;
 200         gint i;
 201
 202         debug_print("Creating MIME view...\n");
 203         mimeview = g_new0(MimeView, 1);
 204
 205         titles[COL_MIMETYPE] = _("MIME Type");
 206         titles[COL_SIZE]     = _("Size");
 207         titles[COL_NAME]     = _("Name");
 208
 209         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 210         gtk_widget_show(scrolledwin);
 211         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 212                                        GTK_POLICY_AUTOMATIC,
 213                                        GTK_POLICY_AUTOMATIC);
 214
 215         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 216         gtk_widget_show(ctree);
 217         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 218         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 219         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 220                                            GTK_JUSTIFY_RIGHT);
 221         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 222         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 223         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 224                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 225                                        GTK_CAN_FOCUS);
 226         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 227
 228         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 229                          G_CALLBACK(mimeview_selected), mimeview);
 230         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 231                          G_CALLBACK(mimeview_button_pressed), mimeview);
 232         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 233                          G_CALLBACK(mimeview_key_pressed), mimeview);
 234         g_signal_connect(G_OBJECT (ctree),"start_drag",
 235                          G_CALLBACK (mimeview_start_drag), mimeview);
 236         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 237                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 238
 239         mime_notebook = gtk_notebook_new();
 240         gtk_widget_show(mime_notebook);
 241         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 242         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 243         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 244
 245         icon_vbox = gtk_vbox_new(FALSE, 2);
 246         gtk_widget_show(icon_vbox);
 247         icon_scroll = gtk_layout_new(NULL, NULL);
 248         gtk_widget_show(icon_scroll);
 249         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 250         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 251         gtk_widget_show(scrollbutton);
 252
 253         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 254                          G_CALLBACK(mimeview_scrolled), mimeview);
 255
 256         mime_toggle = gtk_toggle_button_new();
 257         gtk_widget_show(mime_toggle);
 258         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 259         gtk_widget_show(arrow);
 260         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 261         g_signal_connect(G_OBJECT(mime_toggle), "toggled",
 262                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 263
 264         icon_mainbox = gtk_vbox_new(FALSE, 0);
 265         gtk_widget_show(icon_mainbox);
 266         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 267         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 268         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 269         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 270                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 271
 272         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 273         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 274
 275         n_entries = sizeof(mimeview_popup_entries) /
 276                 sizeof(mimeview_popup_entries[0]);
 277         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 278                                       "<MimeView>", &popupfactory, mimeview);
 279         tooltips = gtk_tooltips_new();
 280         gtk_tooltips_set_delay(tooltips, 0);
 281
 282         vbox = gtk_vbox_new(FALSE, 0);
 283         gtk_widget_show(vbox);
 284         siginfoview = noticeview_create(mainwin);
 285         noticeview_hide(siginfoview);
 286         noticeview_set_icon_clickable(siginfoview, TRUE);
 287         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 288         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 289
 290         paned = gtk_vpaned_new();
 291         gtk_widget_show(paned);
 292         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 293         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 294         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 295
 296         hbox = gtk_hbox_new(FALSE, 0);
 297         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 298         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 299
 300         gtk_widget_show(hbox);
 301         gtk_widget_hide(ctree_mainbox);
 302
 303         mimeview->hbox          = hbox;
 304         mimeview->paned         = paned;
 305         mimeview->scrolledwin   = scrolledwin;
 306         mimeview->ctree         = ctree;
 307         mimeview->mime_notebook = mime_notebook;
 308         mimeview->popupmenu     = popupmenu;
 309         mimeview->popupfactory  = popupfactory;
 310         mimeview->type          = -1;
 311         mimeview->ctree_mainbox = ctree_mainbox;
 312         mimeview->icon_scroll   = icon_scroll;
 313         mimeview->icon_vbox     = icon_vbox;
 314         mimeview->icon_mainbox  = icon_mainbox;
 315         mimeview->icon_count    = 0;
 316         mimeview->mainwin       = mainwin;
 317         mimeview->tooltips      = tooltips;
 318         mimeview->oldsize       = 60;
 319         mimeview->mime_toggle   = mime_toggle;
 320         mimeview->siginfoview   = siginfoview;
 321         mimeview->scrollbutton  = scrollbutton;
 322         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 323
 324         mimeviews = g_slist_prepend(mimeviews, mimeview);
 325
 326         return mimeview;
 327 }
 328
 329 void mimeview_init(MimeView *mimeview)
 330 {
 331         textview_init(mimeview->textview);
 332
 333         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 334                 GTK_WIDGET_PTR(mimeview->textview));
 335 }
 336
 337 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 338                            const gchar *file)
 339 {
 340         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 341         GtkCTreeNode *node;
 342
 343         mimeview_clear(mimeview);
 344
 345         g_return_if_fail(file != NULL);
 346         g_return_if_fail(mimeinfo != NULL);
 347
 348         mimeview->mimeinfo = mimeinfo;
 349
 350         mimeview->file = g_strdup(file);
 351
 352         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 353                                         mimeview);
 354
 355         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 356         icon_list_create(mimeview, mimeinfo);
 357
 358         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 359                                           mimeview_selected, mimeview);
 360
 361         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 362         if (node) {
 363                 gtk_ctree_select(ctree, node);
 364                 icon_list_toggle_by_mime_info
 365                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 366                 gtkut_ctree_set_focus_row(ctree, node);
 367         }
 368 }
 369
 370 #ifdef USE_PTHREAD
 371 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 372 #endif
 373
 374 static void mimeview_free_mimeinfo(MimeView *mimeview)
 375 {
 376         gboolean defer = FALSE;
 377 #ifdef USE_PTHREAD
 378         defer = (mimeview->check_data != NULL);
 379         if (defer)
 380                 mimeview->check_data->free_after_use = TRUE;
 381 #endif
 382         if (mimeview->mimeinfo != NULL && !defer) {
 383                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 384                 mimeview->mimeinfo = NULL;
 385         } else if (defer) {
 386 #ifdef USE_PTHREAD
 387                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 388                 mimeview_check_sig_cancel_now(mimeview);
 389 #endif
 390         }
 391 }
 392
 393 void mimeview_destroy(MimeView *mimeview)
 394 {
 395         GSList *cur;
 396
 397         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 398                 MimeViewer *viewer = (MimeViewer *) cur->data;
 399                 viewer->destroy_viewer(viewer);
 400         }
 401         g_slist_free(mimeview->viewers);
 402         gtk_target_list_unref(mimeview->target_list);
 403
 404         mimeview_free_mimeinfo(mimeview);
 405 #ifdef USE_PTHREAD
 406         if (mimeview->check_data) {
 407                 mimeview->check_data->destroy_mimeview = TRUE;
 408                 debug_print("deferring destroy\n");
 409         } else
 410 #endif
 411         {
 412                 g_free(mimeview->file);
 413                 g_free(mimeview);
 414                 mimeviews = g_slist_remove(mimeviews, mimeview);
 415         }
 416
 417 }
 418
 419 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 420 {
 421         return gtk_ctree_node_get_row_data
 422                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 423 }
 424
 425 static void mimeview_set_multipart_tree(MimeView *mimeview,
 426                                         MimeInfo *mimeinfo,
 427                                         GtkCTreeNode *parent)
 428 {
 429         GtkCTreeNode *node;
 430
 431         g_return_if_fail(mimeinfo != NULL);
 432
 433         while (mimeinfo != NULL) {
 434                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 435
 436                 if (mimeinfo->node->children)
 437                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 438                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 439         }
 440 }
 441
 442 static const gchar *get_real_part_name(MimeInfo *partinfo)
 443 {
 444         const gchar *name = NULL;
 445
 446         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 447         if (name == NULL)
 448                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 449
 450         return name;
 451 }
 452
 453 static const gchar *get_part_name(MimeInfo *partinfo)
 454 {
 455         const gchar *name;
 456
 457         name = get_real_part_name(partinfo);
 458         if (name == NULL)
 459                 name = "";
 460
 461         return name;
 462 }
 463
 464 static const gchar *get_part_description(MimeInfo *partinfo)
 465 {
 466         if (partinfo->description)
 467                 return partinfo->description;
 468         else
 469                 return get_part_name(partinfo);
 470 }
 471
 472 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 473                                           MimeInfo *partinfo,
 474                                           GtkCTreeNode *parent)
 475 {
 476         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 477         GtkCTreeNode *node;
 478         static gchar content_type[64];
 479         gchar *str[N_MIMEVIEW_COLS];
 480
 481         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 482                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 483         } else {
 484                 g_snprintf(content_type, 64, "UNKNOWN");
 485         }
 486
 487         str[COL_MIMETYPE] = content_type;
 488         str[COL_SIZE] = to_human_readable(partinfo->length);
 489         if (prefs_common.attach_desc)
 490                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 491         else
 492                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 493
 494         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 495                                      NULL, NULL, NULL, NULL,
 496                                      FALSE, TRUE);
 497         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 498
 499         return node;
 500 }
 501
 502 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 503 {
 504         FILE *fp;
 505         const gchar *fname;
 506
 507         if (!partinfo) return;
 508
 509         fname = mimeview->file;
 510         if (!fname) return;
 511
 512         if ((fp = g_fopen(fname, "rb")) == NULL) {
 513                 FILE_OP_ERROR(fname, "fopen");
 514                 return;
 515         }
 516
 517         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 518                 FILE_OP_ERROR(mimeview->file, "fseek");
 519                 fclose(fp);
 520                 return;
 521         }
 522
 523         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 524         textview_show_part(mimeview->textview, partinfo, fp);
 525
 526         fclose(fp);
 527 }
 528
 529 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 530 {
 531         GSList *cur;
 532         MimeViewerFactory *factory = NULL;
 533         MimeViewer *viewer = NULL;
 534
 535 /*
 536  * FNM_CASEFOLD is a GNU extension
 537  * if its not defined copy the string to the stack and
 538  * convert the copy to lower case
 539  */
 540 #ifndef FNM_CASEFOLD
 541 #define FNM_CASEFOLD 0
 542         Xstrdup_a(content_type, content_type, return NULL);
 543         g_strdown((gchar *)content_type);
 544 #endif
 545
 546         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 547                 MimeViewerFactory *curfactory = cur->data;
 548                 gint i = 0;
 549
 550                 while (curfactory->content_types[i] != NULL) {
 551                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 552                                 debug_print("%s\n", curfactory->content_types[i]);
 553                                 factory = curfactory;
 554                                 break;
 555                         }
 556                         i++;
 557                 }
 558                 if (factory != NULL)
 559                         break;
 560         }
 561         if (factory == NULL)
 562                 return NULL;
 563
 564         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 565                 MimeViewer *curviewer = cur->data;
 566
 567                 if (curviewer->factory == factory)
 568                         return curviewer;
 569         }
 570         viewer = factory->create_viewer();
 571         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 572                 GTK_WIDGET(viewer->get_widget(viewer)));
 573
 574         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 575
 576         return viewer;
 577 }
 578
 579 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 580 {
 581         gchar *content_type = NULL;
 582         MimeViewer *viewer = NULL;
 583
 584         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 585             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 586                 const gchar *filename;
 587
 588                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 589                 if (filename == NULL)
 590                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 591                 if (filename != NULL)
 592                         content_type = procmime_get_mime_type(filename);
 593         } else {
 594                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 595         }
 596
 597         if (content_type != NULL) {
 598                 viewer = get_viewer_for_content_type(mimeview, content_type);
 599                 g_free(content_type);
 600         }
 601
 602         return viewer;
 603 }
 604
 605 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 606 {
 607         MimeViewer *viewer;
 608
 609         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 610         if (viewer == NULL) {
 611                 if (mimeview->mimeviewer != NULL)
 612                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 613                 mimeview->mimeviewer = NULL;
 614                 return FALSE;
 615         }
 616
 617         if (mimeview->mimeviewer != NULL)
 618                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 619
 620         if (mimeview->mimeviewer != viewer) {
 621                 mimeview->mimeviewer = viewer;
 622                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 623         }
 624         viewer->mimeview = mimeview;
 625         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 626
 627         return TRUE;
 628 }
 629
 630 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 631 {
 632         TextView  *textview  = mimeview->textview;
 633
 634         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 635             (mimeview->type == type)) return;
 636
 637         switch (type) {
 638         case MIMEVIEW_TEXT:
 639                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 640                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 641                         GTK_WIDGET_PTR(textview)));
 642                 break;
 643         case MIMEVIEW_VIEWER:
 644                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 645                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 646                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 647                 break;
 648         default:
 649                 return;
 650         }
 651
 652         mimeview->type = type;
 653 }
 654
 655 void mimeview_clear(MimeView *mimeview)
 656 {
 657         GtkCList *clist = NULL;
 658
 659         if (!mimeview)
 660                 return;
 661
 662         if (g_slist_find(mimeviews, mimeview) == NULL)
 663                 return;
 664
 665         clist = GTK_CLIST(mimeview->ctree);
 666
 667         noticeview_hide(mimeview->siginfoview);
 668
 669         gtk_clist_clear(clist);
 670         textview_clear(mimeview->textview);
 671         if (mimeview->mimeviewer != NULL)
 672                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 673
 674         mimeview_free_mimeinfo(mimeview);
 675
 676         mimeview->mimeinfo = NULL;
 677
 678         mimeview->opened = NULL;
 679
 680         g_free(mimeview->file);
 681         mimeview->file = NULL;
 682
 683         icon_list_clear(mimeview);
 684         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 685 }
 686
 687 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 688 void mimeview_check_signature(MimeView *mimeview);
 689 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 690
 691 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 692                                         gboolean special, SignatureStatus code)
 693 {
 694         gchar *text = NULL, *button_text = NULL;
 695         void  *func = NULL;
 696         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 697         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 698
 699         g_return_if_fail(mimeview != NULL);
 700         g_return_if_fail(mimeinfo != NULL);
 701
 702         if (special)
 703                 mycode = code;
 704         else
 705                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 706
 707         switch (mycode) {
 708         case SIGNATURE_UNCHECKED:
 709                 button_text = _("Check signature");
 710                 func = check_signature_cb;
 711                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 712                 break;
 713         case SIGNATURE_OK:
 714                 button_text = _("View full information");
 715                 func = display_full_info_cb;
 716                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 717                 break;
 718         case SIGNATURE_WARN:
 719                 button_text = _("View full information");
 720                 func = display_full_info_cb;
 721                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 722                 break;
 723         case SIGNATURE_INVALID:
 724                 button_text = _("View full information");
 725                 func = display_full_info_cb;
 726                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 727                 break;
 728         case SIGNATURE_CHECK_FAILED:
 729                 button_text = _("Check again");
 730                 func = check_signature_cb;
 731                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 732         case SIGNATURE_CHECK_TIMEOUT:
 733                 button_text = _("Check again");
 734                 func = check_signature_cb;
 735                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 736         default:
 737                 break;
 738         }
 739         if (mycode == SIGNATURE_UNCHECKED) {
 740                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 741                 text = g_strdup_printf("%s %s",
 742                         tmp, _("Click the icon or hit 'C' to check it."));
 743                 g_free(tmp);
 744         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 745                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 746         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 747                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 748         }
 749
 750         noticeview_set_text(mimeview->siginfoview, text);
 751         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 752
 753         g_free(text);
 754         noticeview_set_button_text(mimeview->siginfoview, NULL);
 755         noticeview_set_button_press_callback(
 756                 mimeview->siginfoview,
 757                 G_CALLBACK(func),
 758                 (gpointer) mimeview);
 759         noticeview_set_icon(mimeview->siginfoview, icon);
 760         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 761 }
 762
 763 #ifdef USE_PTHREAD
 764
 765 /* reset all thread stuff, and do the cleanups we've been left to do */
 766 static void mimeview_check_data_reset(MimeView *mimeview)
 767 {
 768         if (!mimeview->check_data)
 769                 return;
 770
 771         if (mimeview->check_data->free_after_use) {
 772                 debug_print("freeing deferred mimeinfo\n");
 773                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 774         }
 775         if (mimeview->check_data->destroy_mimeview) {
 776                 debug_print("freeing deferred mimeview\n");
 777                 g_free(mimeview->file);
 778                 g_free(mimeview);
 779                 mimeviews = g_slist_remove(mimeviews, mimeview);
 780         }
 781
 782         g_free(mimeview->check_data);
 783         mimeview->check_data = NULL;
 784 }
 785
 786 /* GUI update once the checker thread is done or killed */
 787 static gboolean mimeview_check_sig_thread_cb(void *data)
 788 {
 789         MimeView *mimeview = (MimeView *) data;
 790         MimeInfo *mimeinfo = mimeview->siginfo;
 791
 792         debug_print("mimeview_check_sig_thread_cb\n");
 793
 794         if (mimeinfo == NULL) {
 795                 /* message changed !? */
 796                 g_warning("no more siginfo!\n");
 797                 goto end;
 798         }
 799
 800         if (!mimeview->check_data) {
 801                 g_warning("nothing to check\n");
 802                 return FALSE;
 803         }
 804
 805         if (mimeview->check_data->siginfo != mimeinfo) {
 806                 /* message changed !? */
 807                 g_warning("different siginfo!\n");
 808                 goto end;
 809         }
 810
 811         if (mimeview->check_data->destroy_mimeview ||
 812             mimeview->check_data->free_after_use) {
 813                 debug_print("not bothering, we're changing message\n");
 814                 goto end;
 815         }
 816
 817         /* update status */
 818         if (mimeview->check_data->timeout)
 819                 update_signature_noticeview(mimeview, mimeview->siginfo,
 820                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 821         else
 822                 update_signature_noticeview(mimeview, mimeview->siginfo,
 823                         FALSE, 0);
 824         icon_list_clear(mimeview);
 825         icon_list_create(mimeview, mimeview->mimeinfo);
 826
 827 end:
 828         mimeview_check_data_reset(mimeview);
 829         return FALSE;
 830 }
 831
 832 /* sig checker thread */
 833 static void *mimeview_check_sig_worker_thread(void *data)
 834 {
 835         MimeView *mimeview = (MimeView *)data;
 836         MimeInfo *mimeinfo = mimeview->siginfo;
 837
 838         debug_print("checking...\n");
 839
 840         if (!mimeview->check_data)
 841                 return NULL;
 842
 843         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
 844                 privacy_mimeinfo_check_signature(mimeinfo);
 845         else {
 846                 /* that's strange! we changed message without
 847                  * getting killed. */
 848                 g_warning("different siginfo!\n");
 849                 mimeview_check_data_reset(mimeview);
 850                 return NULL;
 851         }
 852
 853         /* use g_timeout so that GUI updates is done from the
 854          * correct thread */
 855         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 856
 857         return NULL;
 858 }
 859
 860 /* killer thread - acts when the checker didn't work fast
 861  * enough. */
 862 static void *mimeview_check_sig_cancel_thread(void *data)
 863 {
 864         MimeView *mimeview = (MimeView *)data;
 865
 866         if (!mimeview->check_data)
 867                 return NULL; /* nothing to kill ! */
 868
 869         /* wait for a few seconds... */
 870         debug_print("waiting a while\n");
 871
 872         sleep(5);
 873
 874         if (!mimeview->check_data)
 875                 return NULL; /* nothing to kill, it's done in time :) */
 876
 877         /* too late, go away checker thread */
 878         debug_print("killing checker thread\n");
 879         pthread_cancel(mimeview->check_data->th);
 880
 881         /* tell upstream it was a timeout */
 882         mimeview->check_data->timeout = TRUE;
 883         /* use g_timeout so that GUI updates is done from the
 884          * correct thread */
 885         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
 886
 887         return NULL;
 888 }
 889
 890 /* get rid of the checker thread right now - used when changing the
 891  * displayed message for example. */
 892 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
 893 {
 894         if (!mimeview->check_data)
 895                 return;
 896         debug_print("killing checker thread NOW\n");
 897         pthread_cancel(mimeview->check_data->th);
 898
 899         /* tell upstream it was a timeout */
 900         mimeview->check_data->timeout = TRUE;
 901         mimeview_check_sig_thread_cb(mimeview);
 902         return;
 903 }
 904
 905 /* creates a thread to check the signature, and a second one
 906  * to kill the first one after a timeout */
 907 static void mimeview_check_sig_in_thread(MimeView *mimeview)
 908 {
 909         pthread_t th, th2;
 910         pthread_attr_t detach, detach2;
 911
 912         if (mimeview->check_data) {
 913                 g_warning("already checking it");
 914                 return;
 915         }
 916
 917         mimeview->check_data = g_new0(SigCheckData, 1);
 918         mimeview->check_data->siginfo = mimeview->siginfo;
 919         debug_print("creating thread\n");
 920
 921         pthread_attr_init(&detach);
 922         pthread_attr_setdetachstate(&detach, TRUE);
 923
 924         pthread_attr_init(&detach2);
 925         pthread_attr_setdetachstate(&detach2, TRUE);
 926
 927         /* create the checker thread */
 928         if (pthread_create(&th, &detach,
 929                         mimeview_check_sig_worker_thread,
 930                         mimeview) != 0) {
 931                 /* arh. We'll do it synchronously. */
 932                 g_warning("can't create thread");
 933                 g_free(mimeview->check_data);
 934                 mimeview->check_data = NULL;
 935                 return;
 936         } else
 937                 mimeview->check_data->th = th;
 938
 939         /* create the killer thread */
 940         pthread_create(&th2, &detach2,
 941                         mimeview_check_sig_cancel_thread,
 942                         mimeview);
 943 }
 944 #endif
 945
 946 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 947 {
 948         MimeView *mimeview = (MimeView *) user_data;
 949         MimeInfo *mimeinfo = mimeview->siginfo;
 950
 951         if (mimeinfo == NULL)
 952                 return;
 953 #ifdef USE_PTHREAD
 954         if (mimeview->check_data)
 955                 return;
 956 #endif
 957         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
 958         GTK_EVENTS_FLUSH();
 959 #if (defined USE_PTHREAD && defined __GLIBC__ && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 3)))
 960         /* let's do it non-blocking */
 961         mimeview_check_sig_in_thread(mimeview);
 962         if (!mimeview->check_data) /* let's check syncronously */
 963 #endif
 964         {
 965                 debug_print("checking without thread\n");
 966                 privacy_mimeinfo_check_signature(mimeinfo);
 967                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
 968                 icon_list_clear(mimeview);
 969                 icon_list_create(mimeview, mimeview->mimeinfo);
 970         }
 971 }
 972
 973 void mimeview_check_signature(MimeView *mimeview)
 974 {
 975         check_signature_cb(NULL, mimeview);
 976 }
 977
 978 static void redisplay_email(GtkWidget *widget, gpointer user_data)
 979 {
 980         MimeView *mimeview = (MimeView *) user_data;
 981         GtkCTreeNode *node = mimeview->opened;
 982         mimeview->opened = NULL;
 983         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
 984 }
 985
 986 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 987 {
 988         MimeView *mimeview = (MimeView *) user_data;
 989         gchar *siginfo;
 990
 991         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 992         textview_set_text(mimeview->textview, siginfo);
 993         g_free(siginfo);
 994         noticeview_set_button_text(mimeview->siginfoview, NULL);
 995         noticeview_set_button_press_callback(
 996                 mimeview->siginfoview,
 997                 G_CALLBACK(redisplay_email),
 998                 (gpointer) mimeview);
 999         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1000 }
1001
1002 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1003 {
1004         MimeInfo *siginfo;
1005         MimeInfo *first_text;
1006
1007         g_return_if_fail(mimeview != NULL);
1008         g_return_if_fail(selected != NULL);
1009
1010         if (selected->type == MIMETYPE_MESSAGE
1011         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1012                 /* if the first text part is signed, check that */
1013                 first_text = selected;
1014                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1015                         first_text = procmime_mimeinfo_next(first_text);
1016                 }
1017                 if (first_text) {
1018                         update_signature_info(mimeview, first_text);
1019                         return;
1020                 }
1021         }
1022
1023         siginfo = selected;
1024         while (siginfo != NULL) {
1025                 if (privacy_mimeinfo_is_signed(siginfo))
1026                         break;
1027                 siginfo = procmime_mimeinfo_parent(siginfo);
1028         }
1029         mimeview->siginfo = siginfo;
1030
1031         if (siginfo == NULL) {
1032                 noticeview_hide(mimeview->siginfoview);
1033                 return;
1034         }
1035
1036         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1037         noticeview_show(mimeview->siginfoview);
1038 }
1039
1040 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
1041                               MimeView *mimeview)
1042 {
1043         MimeInfo *partinfo;
1044         if (mimeview->opened == node) return;
1045         mimeview->opened = node;
1046         mimeview->spec_part = NULL;
1047         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
1048
1049         partinfo = gtk_ctree_node_get_row_data(ctree, node);
1050         if (!partinfo) return;
1051
1052         /* ungrab the mouse event */
1053         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1054                 gtk_grab_remove(GTK_WIDGET(ctree));
1055                 if (gdk_pointer_is_grabbed())
1056                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1057         }
1058
1059         mimeview->textview->default_text = FALSE;
1060
1061         update_signature_info(mimeview, partinfo);
1062
1063         if (!mimeview_show_part(mimeview, partinfo)) {
1064                 switch (partinfo->type) {
1065                 case MIMETYPE_TEXT:
1066                 case MIMETYPE_MESSAGE:
1067                 case MIMETYPE_MULTIPART:
1068                         mimeview_show_message_part(mimeview, partinfo);
1069
1070                         break;
1071                 default:
1072                         mimeview->textview->default_text = TRUE;
1073                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1074                         textview_clear(mimeview->textview);
1075                         textview_show_mime_part(mimeview->textview, partinfo);
1076                         break;
1077                 }
1078         }
1079 }
1080
1081 static void mimeview_start_drag(GtkWidget *widget, gint button,
1082                                 GdkEvent *event, MimeView *mimeview)
1083 {
1084         GdkDragContext *context;
1085         MimeInfo *partinfo;
1086
1087         g_return_if_fail(mimeview != NULL);
1088
1089         partinfo = mimeview_get_selected_part(mimeview);
1090         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1091
1092         context = gtk_drag_begin(widget, mimeview->target_list,
1093                                  GDK_ACTION_COPY, button, event);
1094         gtk_drag_set_icon_default(context);
1095 }
1096
1097 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1098                                     MimeView *mimeview)
1099 {
1100         GtkCList *clist = GTK_CLIST(widget);
1101         gint row, column;
1102
1103         if (!event) return FALSE;
1104
1105         if (event->button == 2 || event->button == 3) {
1106                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
1107                                                   &row, &column))
1108                         return FALSE;
1109                 gtk_clist_unselect_all(clist);
1110                 gtk_clist_select_row(clist, row, column);
1111                 gtkut_clist_set_focus_row(clist, row);
1112         }
1113         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1114
1115         return FALSE;
1116 }
1117
1118 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1119                                     MimeView *mimeview)
1120 {
1121         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1122         if (event->direction == GDK_SCROLL_UP) {
1123                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1124         } else {
1125                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1126         }
1127         gtk_vscrollbutton_scroll(scrollbutton);
1128         return TRUE;
1129 }
1130
1131 /* from gdkevents.c */
1132 #define DOUBLE_CLICK_TIME 250
1133
1134 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1135                                     MimeInfo *partinfo)
1136 {
1137         static MimeInfo *lastinfo;
1138         static guint32 lasttime;
1139
1140         if (event->button == 2 ||
1141             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1142                 /* call external program for image, audio or html */
1143                 mimeview_launch(mimeview);
1144                 return TRUE;
1145         } else if (event->button == 3) {
1146                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1147                                  partinfo->type == MIMETYPE_IMAGE ||
1148                                  partinfo->type == MIMETYPE_MULTIPART))
1149                         menu_set_sensitive(mimeview->popupfactory,
1150                                            "/Display as text", FALSE);
1151                 else
1152                         menu_set_sensitive(mimeview->popupfactory,
1153                                            "/Display as text", TRUE);
1154                 if (partinfo &&
1155                     partinfo->type == MIMETYPE_APPLICATION &&
1156                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1157                         menu_set_sensitive(mimeview->popupfactory,
1158                                            "/Open", FALSE);
1159                 else
1160                         menu_set_sensitive(mimeview->popupfactory,
1161                                            "/Open", TRUE);
1162
1163                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1164                                   "pop_partinfo", partinfo);
1165
1166                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1167                                NULL, NULL, NULL, NULL,
1168                                event->button, event->time);
1169                 return TRUE;
1170         }
1171
1172         lastinfo = partinfo;
1173         lasttime = event->time;
1174         return FALSE;
1175 }
1176
1177
1178 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1179 {
1180         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1181 }
1182
1183 #define BREAK_ON_MODIFIER_KEY() \
1184         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1185
1186 #define KEY_PRESS_EVENT_STOP() \
1187         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1188                                        "key_press_event");
1189
1190 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1191                                  MimeView *mimeview)
1192 {
1193         SummaryView *summaryview;
1194         GtkCTree *ctree = GTK_CTREE(widget);
1195         GtkCTreeNode *node;
1196
1197         if (!event) return FALSE;
1198         if (!mimeview->opened) return FALSE;
1199
1200         summaryview = mimeview->messageview->mainwin->summaryview;
1201
1202         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1203                 return FALSE;
1204
1205         switch (event->keyval) {
1206         case GDK_space:
1207                 if (textview_scroll_page(mimeview->textview, FALSE))
1208                         return TRUE;
1209
1210                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
1211                 if (node) {
1212                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1213                         gtk_sctree_select(GTK_SCTREE(ctree), node);
1214                         return TRUE;
1215                 }
1216                 break;
1217         case GDK_BackSpace:
1218                 textview_scroll_page(mimeview->textview, TRUE);
1219                 return TRUE;
1220         case GDK_Return:
1221                 textview_scroll_one_line(mimeview->textview,
1222                                          (event->state & GDK_MOD1_MASK) != 0);
1223                 return TRUE;
1224         case GDK_n:
1225         case GDK_N:
1226                 BREAK_ON_MODIFIER_KEY();
1227                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
1228                 KEY_PRESS_EVENT_STOP();
1229                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
1230                                         GTK_SCROLL_STEP_FORWARD, 0.0);
1231                 return TRUE;
1232         case GDK_p:
1233         case GDK_P:
1234                 BREAK_ON_MODIFIER_KEY();
1235                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
1236                 KEY_PRESS_EVENT_STOP();
1237                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
1238                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
1239                 return TRUE;
1240         case GDK_y:
1241                 BREAK_ON_MODIFIER_KEY();
1242                 KEY_PRESS_EVENT_STOP();
1243                 mimeview_save_as(mimeview);
1244                 return TRUE;
1245         case GDK_t:
1246                 BREAK_ON_MODIFIER_KEY();
1247                 KEY_PRESS_EVENT_STOP();
1248                 mimeview_display_as_text(mimeview);
1249                 return TRUE;
1250         case GDK_l:
1251                 BREAK_ON_MODIFIER_KEY();
1252                 KEY_PRESS_EVENT_STOP();
1253                 mimeview_launch(mimeview);
1254                 return TRUE;
1255         case GDK_o:
1256                 BREAK_ON_MODIFIER_KEY();
1257                 KEY_PRESS_EVENT_STOP();
1258                 mimeview_open_with(mimeview);
1259                 return TRUE;
1260         case GDK_c:
1261                 BREAK_ON_MODIFIER_KEY();
1262                 KEY_PRESS_EVENT_STOP();
1263                 mimeview_check_signature(mimeview);
1264                 return TRUE;
1265         default:
1266                 break;
1267         }
1268
1269         if (!mimeview->messageview->mainwin) return FALSE;
1270
1271         summary_pass_key_press_event(summaryview, event);
1272         return TRUE;
1273 }
1274
1275 static void mimeview_drag_data_get(GtkWidget        *widget,
1276                                    GdkDragContext   *drag_context,
1277                                    GtkSelectionData *selection_data,
1278                                    guint             info,
1279                                    guint             time,
1280                                    MimeView         *mimeview)
1281 {
1282         gchar *filename = NULL, *uriname, *tmp;
1283         MimeInfo *partinfo;
1284
1285         if (!mimeview->opened) return;
1286         if (!mimeview->file) return;
1287
1288         partinfo = mimeview_get_selected_part(mimeview);
1289         if (!partinfo) return;
1290
1291         if (strlen(get_part_name(partinfo)) > 0) {
1292                 filename = g_path_get_basename(get_part_name(partinfo));
1293                 if (*filename == '\0') return;
1294         } else if (partinfo->type == MIMETYPE_MESSAGE
1295                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1296                 gchar *name = NULL;
1297                 GPtrArray *headers = NULL;
1298                 FILE *fp;
1299
1300                 fp = g_fopen(partinfo->data.filename, "rb");
1301                 fseek(fp, partinfo->offset, SEEK_SET);
1302                 headers = procheader_get_header_array_asis(fp);
1303                 if (headers) {
1304                         gint i;
1305                         for (i = 0; i < headers->len; i++) {
1306                                 Header *header = g_ptr_array_index(headers, i);
1307                                 if (procheader_headername_equal(header->name, "Subject")) {
1308                                         unfold_line(header->body);
1309                                         name = g_strconcat(header->body, ".txt", NULL);
1310                                         subst_for_filename(name);
1311                                 }
1312                         }
1313                         procheader_header_array_destroy(headers);
1314                 }
1315                 fclose(fp);
1316                 if (name)
1317                         filename = g_path_get_basename(name);
1318                 g_free(name);
1319         }
1320         if (filename == NULL)
1321                 filename = g_path_get_basename("Unnamed part");
1322
1323
1324         tmp = g_filename_from_utf8(filename, -1, NULL, NULL, NULL);
1325
1326         if (tmp == NULL) {
1327                 g_warning("filename not in UTF-8");
1328                 tmp = g_strdup("Unnamed part");
1329         }
1330         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1331                                tmp, NULL);
1332
1333         g_free(tmp);
1334
1335         if (procmime_get_part(filename, partinfo) < 0)
1336                 alertpanel_error
1337                         (_("Can't save the part of multipart message."));
1338         uriname = g_strconcat("file://", filename, "\r\n", NULL);
1339
1340         gtk_selection_data_set(selection_data, selection_data->target, 8,
1341                                (guchar *)uriname, strlen(uriname));
1342
1343         g_free(uriname);
1344         g_free(filename);
1345 }
1346
1347 /**
1348  * Returns a filename (with path) for an attachment
1349  * \param partinfo The attachment to save
1350  * \param basedir The target directory
1351  * \param number Used for dummy filename if attachment is unnamed
1352  */
1353 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1354                                       const gchar *basedir,
1355                                       gint number)
1356 {
1357         gchar *fullname;
1358         gchar *filename;
1359
1360         filename = g_strdup(get_part_name(partinfo));
1361         if (!filename || !*filename)
1362                 filename = g_strdup_printf("noname.%d", number);
1363
1364         if (!g_utf8_validate(filename, -1, NULL)) {
1365                 gchar *tmp = conv_filename_to_utf8(filename);
1366                 g_free(filename);
1367                 filename = tmp;
1368         }
1369
1370         subst_for_filename(filename);
1371
1372         fullname = g_strconcat
1373                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1374                  ? &filename[1] : filename, NULL);
1375
1376         g_free(filename);
1377         filename = conv_filename_from_utf8(fullname);
1378         g_free(fullname);
1379         return filename;
1380 }
1381
1382 /**
1383  * Write a single attachment to file
1384  * \param filename Filename with path
1385  * \param partinfo Attachment to save
1386  */
1387 static gboolean mimeview_write_part(const gchar *filename,
1388                                     MimeInfo *partinfo)
1389 {
1390         gchar *dir;
1391
1392         dir= g_path_get_dirname(filename);
1393         if (!is_dir_exist(dir))
1394                 make_dir_hier(dir);
1395         g_free(dir);
1396
1397         if (is_file_exist(filename)) {
1398                 AlertValue aval;
1399                 gchar *res;
1400                 gchar *tmp;
1401
1402                 if (!g_utf8_validate(filename, -1, NULL))
1403                         tmp = conv_filename_to_utf8(filename);
1404                 else
1405                         tmp = g_strdup(filename);
1406
1407                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1408                                       tmp);
1409                 g_free(tmp);
1410                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1411                                   GTK_STOCK_OK, NULL);
1412                 g_free(res);
1413                 if (G_ALERTALTERNATE != aval) return FALSE;
1414         }
1415
1416         if (procmime_get_part(filename, partinfo) < 0) {
1417                 alertpanel_error
1418                         (_("Can't save the part of multipart message."));
1419                 return FALSE;
1420         }
1421
1422         return TRUE;
1423 }
1424
1425 /**
1426  * Menu callback: Save all attached files
1427  * \param mimeview Current display
1428  */
1429 static void mimeview_save_all(MimeView *mimeview)
1430 {
1431         MimeInfo *partinfo;
1432         gchar *dirname;
1433         gchar *startdir = NULL;
1434         gint number = 1;
1435
1436         if (!mimeview->opened) return;
1437         if (!mimeview->file) return;
1438         if (!mimeview->mimeinfo) return;
1439
1440         partinfo = mimeview->mimeinfo;
1441         if (prefs_common.attach_save_dir)
1442                 startdir = g_strconcat(prefs_common.attach_save_dir,
1443                                        G_DIR_SEPARATOR_S, NULL);
1444
1445         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1446         if (!dirname) {
1447                 g_free(startdir);
1448                 return;
1449         }
1450
1451         if (!is_dir_exist (dirname)) {
1452                 alertpanel_error(_("'%s' is not a directory."),
1453                                  dirname);
1454                 g_free(startdir);
1455                 return;
1456         }
1457
1458         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1459                 dirname[strlen(dirname)-1] = '\0';
1460
1461         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1462         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1463                 partinfo = procmime_mimeinfo_next(partinfo);
1464         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1465                 partinfo = procmime_mimeinfo_next(partinfo);
1466                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1467                         partinfo = procmime_mimeinfo_next(partinfo);
1468         }
1469
1470         while (partinfo != NULL) {
1471                 if (partinfo->type != MIMETYPE_MESSAGE &&
1472                     partinfo->type != MIMETYPE_MULTIPART &&
1473                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1474                      || get_real_part_name(partinfo) != NULL)) {
1475                         gchar *filename = mimeview_get_filename_for_part
1476                                 (partinfo, dirname, number++);
1477
1478                         mimeview_write_part(filename, partinfo);
1479                         g_free(filename);
1480                 }
1481                 partinfo = procmime_mimeinfo_next(partinfo);
1482         }
1483
1484         g_free(prefs_common.attach_save_dir);
1485         g_free(startdir);
1486         prefs_common.attach_save_dir = g_strdup(dirname);
1487 }
1488
1489 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1490 {
1491         MimeInfo *partinfo = NULL;
1492         if (mimeview->spec_part) {
1493                 partinfo = mimeview->spec_part;
1494                 mimeview->spec_part = NULL;
1495         } else {
1496                 partinfo = mimeview_get_selected_part(mimeview);
1497                 if (!partinfo) {
1498                         partinfo = (MimeInfo *) g_object_get_data
1499                                  (G_OBJECT(mimeview->popupmenu),
1500                                  "pop_partinfo");
1501                         g_object_set_data(G_OBJECT(mimeview->popupmenu),
1502                                           "pop_partinfo", NULL);
1503                 }
1504         }
1505
1506         return partinfo;
1507 }
1508 /**
1509  * Menu callback: Save the selected attachment
1510  * \param mimeview Current display
1511  */
1512 static void mimeview_save_as(MimeView *mimeview)
1513 {
1514         gchar *filename;
1515         gchar *filepath = NULL;
1516         gchar *filedir = NULL;
1517         MimeInfo *partinfo;
1518         gchar *partname = NULL;
1519
1520         if (!mimeview->opened) return;
1521         if (!mimeview->file) return;
1522
1523         partinfo = mimeview_get_part_to_use(mimeview);
1524
1525         g_return_if_fail(partinfo != NULL);
1526
1527         if (get_part_name(partinfo) == NULL) {
1528                 return;
1529         }
1530         partname = g_strdup(get_part_name(partinfo));
1531
1532         if (!g_utf8_validate(partname, -1, NULL)) {
1533                 gchar *tmp = conv_filename_to_utf8(partname);
1534                 g_free(partname);
1535                 partname = tmp;
1536         }
1537
1538         subst_for_filename(partname);
1539
1540         if (prefs_common.attach_save_dir)
1541                 filepath = g_strconcat(prefs_common.attach_save_dir,
1542                                        G_DIR_SEPARATOR_S, partname, NULL);
1543         else
1544                 filepath = g_strdup(partname);
1545
1546         g_free(partname);
1547
1548         filename = filesel_select_file_save(_("Save as"), filepath);
1549         if (!filename) {
1550                 g_free(filepath);
1551                 return;
1552         }
1553
1554         mimeview_write_part(filename, partinfo);
1555
1556         filedir = g_path_get_dirname(filename);
1557         if (filedir && strcmp(filedir, ".")) {
1558                 g_free(prefs_common.attach_save_dir);
1559                 prefs_common.attach_save_dir = g_strdup(filedir);
1560         }
1561
1562         g_free(filedir);
1563         g_free(filepath);
1564 }
1565
1566 static void mimeview_display_as_text(MimeView *mimeview)
1567 {
1568         MimeInfo *partinfo;
1569
1570         if (!mimeview->opened) return;
1571
1572         partinfo = mimeview_get_part_to_use(mimeview);
1573
1574         g_return_if_fail(partinfo != NULL);
1575         mimeview_show_message_part(mimeview, partinfo);
1576 }
1577
1578 static void mimeview_launch(MimeView *mimeview)
1579 {
1580         MimeInfo *partinfo;
1581         gchar *filename;
1582
1583         if (!mimeview->opened) return;
1584         if (!mimeview->file) return;
1585
1586         partinfo = mimeview_get_part_to_use(mimeview);
1587
1588         g_return_if_fail(partinfo != NULL);
1589
1590         filename = procmime_get_tmp_file_name(partinfo);
1591
1592         if (procmime_get_part(filename, partinfo) < 0)
1593                 alertpanel_error
1594                         (_("Can't save the part of multipart message."));
1595         else
1596                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1597
1598         g_free(filename);
1599 }
1600
1601 static void mimeview_open_with(MimeView *mimeview)
1602 {
1603         MimeInfo *partinfo;
1604
1605         if (!mimeview) return;
1606         if (!mimeview->opened) return;
1607         if (!mimeview->file) return;
1608
1609         partinfo = mimeview_get_part_to_use(mimeview);
1610
1611         mimeview_open_part_with(mimeview, partinfo, FALSE);
1612 }
1613
1614 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1615 {
1616         gchar *filename;
1617         gchar *cmd;
1618         gchar *mime_command = NULL;
1619         gchar *content_type = NULL;
1620
1621         g_return_if_fail(partinfo != NULL);
1622
1623         filename = procmime_get_tmp_file_name(partinfo);
1624
1625         if (procmime_get_part(filename, partinfo) < 0) {
1626                 alertpanel_error
1627                         (_("Can't save the part of multipart message."));
1628                 g_free(filename);
1629                 return;
1630         }
1631
1632         if (!prefs_common.mime_open_cmd_history)
1633                 prefs_common.mime_open_cmd_history =
1634                         add_history(NULL, prefs_common.mime_open_cmd);
1635
1636         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1637             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1638                 /* guess content-type from filename */
1639                 content_type = procmime_get_mime_type(filename);
1640         }
1641         if (content_type == NULL) {
1642                 content_type = procmime_get_content_type_str(partinfo->type,
1643                         partinfo->subtype);
1644         }
1645
1646         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1647         && prefs_common.uri_cmd && prefs_common.uri_cmd[0]) {
1648                 mime_command = g_strdup(prefs_common.uri_cmd);
1649                 g_free(content_type);
1650                 content_type = NULL;
1651         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common.ext_editor_cmd
1652         ||  !prefs_common.ext_editor_cmd[0]) {
1653                 mime_command = mailcap_get_command_for_type(content_type, filename);
1654         } else {
1655                 mime_command = g_strdup(prefs_common.ext_editor_cmd);
1656                 g_free(content_type);
1657                 content_type = NULL;
1658         }
1659         if (mime_command == NULL) {
1660                 /* try with extension this time */
1661                 g_free(content_type);
1662                 content_type = procmime_get_mime_type(filename);
1663                 mime_command = mailcap_get_command_for_type(content_type, filename);
1664         }
1665
1666         if (mime_command == NULL)
1667                 automatic = FALSE;
1668
1669         if (!automatic) {
1670                 gboolean remember = FALSE;
1671                 if (content_type != NULL)
1672                         cmd = input_dialog_combo_remember
1673                                 (_("Open with"),
1674                                  _("Enter the command line to open file:\n"
1675                                    "('%s' will be replaced with file name)"),
1676                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1677                                  prefs_common.mime_open_cmd_history,
1678                                  TRUE, &remember);
1679                 else
1680                         cmd = input_dialog_combo
1681                                 (_("Open with"),
1682                                  _("Enter the command line to open file:\n"
1683                                    "('%s' will be replaced with file name)"),
1684                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1685                                  prefs_common.mime_open_cmd_history,
1686                                  TRUE);
1687                 if (cmd && remember) {
1688                         mailcap_update_default(content_type, cmd);
1689                 }
1690                 g_free(mime_command);
1691         } else {
1692                 cmd = mime_command;
1693         }
1694         if (cmd) {
1695                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1696                 g_free(prefs_common.mime_open_cmd);
1697                 prefs_common.mime_open_cmd = cmd;
1698                 prefs_common.mime_open_cmd_history =
1699                         add_history(prefs_common.mime_open_cmd_history, cmd);
1700         }
1701         g_free(content_type);
1702         g_free(filename);
1703 }
1704
1705 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1706                                const gchar *cmd, MimeView *mimeview)
1707 {
1708         gchar *p;
1709         gchar buf[BUFFSIZE];
1710         if (cmd == NULL)
1711                 mimeview_open_part_with(mimeview, partinfo, TRUE);
1712         else {
1713                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1714                     !strchr(p + 2, '%'))
1715                         g_snprintf(buf, sizeof(buf), cmd, filename);
1716                 else {
1717                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1718                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1719                 }
1720                 if (execute_command_line(buf, TRUE) != 0)
1721                         mimeview_open_part_with(mimeview, partinfo, FALSE);
1722         }
1723 }
1724
1725 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1726 {
1727         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1728 }
1729
1730 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1731 {
1732         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1733 }
1734
1735 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1736 {
1737         GSList *mimeview_list, *viewer_list;
1738
1739         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1740                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1741
1742                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1743                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1744                         mimeview->mimeviewer = NULL;
1745                 }
1746
1747                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1748                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1749
1750                         mimeviewer->destroy_viewer(mimeviewer);
1751                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1752                 }
1753         }
1754
1755         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1756 }
1757
1758 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1759 {
1760         gint      num;
1761         MimeInfo *partinfo;
1762
1763         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1764         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1765
1766         icon_selected(mimeview, num, partinfo);
1767         gtk_widget_grab_focus(button);
1768         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1769                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1770                 if (event->button == 2 || event->button == 3)
1771                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1772                                                      TRUE);
1773         }
1774
1775         part_button_pressed(mimeview, event, partinfo);
1776
1777         return FALSE;
1778 }
1779
1780 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1781 {
1782         GtkCTreeNode *node;
1783         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1784         if (node)
1785                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1786 }
1787
1788 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
1789 {
1790         icon_list_toggle_by_mime_info(mimeview, partinfo);
1791         icon_selected(mimeview, -1, partinfo);
1792 }
1793
1794 #undef  KEY_PRESS_EVENT_STOP
1795 #define KEY_PRESS_EVENT_STOP() \
1796         g_signal_stop_emission_by_name(G_OBJECT(button), \
1797                                        "key_press_event");
1798
1799 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1800                              MimeView *mimeview)
1801 {
1802         gint          num;
1803         MimeInfo     *partinfo;
1804         SummaryView  *summaryview;
1805         TextView     *textview;
1806
1807         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1808         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1809
1810         if (!event) return FALSE;
1811
1812         textview = mimeview->textview;
1813
1814         switch (event->keyval) {
1815         case GDK_space:
1816                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1817                         /* stop the button being untoggled */
1818                         KEY_PRESS_EVENT_STOP();
1819                         if (textview_scroll_page(textview, FALSE))
1820                                 return TRUE;
1821
1822                         if (icon_list_select_by_number(mimeview, num + 1))
1823                                 return TRUE;
1824                 } else {
1825                         icon_selected(mimeview, num, partinfo);
1826                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1827                         return TRUE;
1828                 }
1829
1830                 break;
1831         case GDK_BackSpace:
1832                 textview_scroll_page(textview, TRUE);
1833                 return TRUE;
1834         case GDK_Return:
1835                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1836                         KEY_PRESS_EVENT_STOP();
1837                         textview_scroll_one_line(textview,
1838                                                  (event->state & GDK_MOD1_MASK) != 0);
1839                         return TRUE;
1840                 } else {
1841                         icon_selected(mimeview, num, partinfo);
1842                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1843                         return TRUE;
1844                 }
1845
1846         case GDK_n:
1847         case GDK_N:
1848                 BREAK_ON_MODIFIER_KEY();
1849                 if (icon_list_select_by_number(mimeview, num + 1)) {
1850                         KEY_PRESS_EVENT_STOP();
1851                         return TRUE;
1852                 }
1853                 break;
1854
1855         case GDK_p:
1856         case GDK_P:
1857                 BREAK_ON_MODIFIER_KEY();
1858                 if (icon_list_select_by_number(mimeview, num - 1)) {
1859                         KEY_PRESS_EVENT_STOP();
1860                         return TRUE;
1861                 }
1862                 break;
1863
1864         case GDK_y:
1865                 BREAK_ON_MODIFIER_KEY();
1866                 KEY_PRESS_EVENT_STOP();
1867                 mimeview_save_as(mimeview);
1868                 return TRUE;
1869         case GDK_t:
1870                 BREAK_ON_MODIFIER_KEY();
1871                 KEY_PRESS_EVENT_STOP();
1872                 mimeview_display_as_text(mimeview);
1873                 return TRUE;
1874         case GDK_l:
1875                 BREAK_ON_MODIFIER_KEY();
1876                 KEY_PRESS_EVENT_STOP();
1877                 mimeview_launch(mimeview);
1878                 return TRUE;
1879         case GDK_o:
1880                 BREAK_ON_MODIFIER_KEY();
1881                 KEY_PRESS_EVENT_STOP();
1882                 mimeview_open_with(mimeview);
1883                 return TRUE;
1884         case GDK_c:
1885                 BREAK_ON_MODIFIER_KEY();
1886                 KEY_PRESS_EVENT_STOP();
1887                 mimeview_check_signature(mimeview);
1888                 return TRUE;
1889         default:
1890                 break;
1891         }
1892
1893         if (!mimeview->messageview->mainwin) return FALSE;
1894         summaryview = mimeview->messageview->mainwin->summaryview;
1895         return summary_pass_key_press_event(summaryview, event);
1896 }
1897
1898 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1899 {
1900         GList *child;
1901
1902         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1903         for (; child != NULL; child = g_list_next(child)) {
1904                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1905                     GTK_TOGGLE_BUTTON(child->data) != button &&
1906                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1907                         gtk_toggle_button_set_active
1908                                 (GTK_TOGGLE_BUTTON(child->data),
1909                                  FALSE);
1910         }
1911 }
1912
1913 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1914 {
1915         GtkWidget *pixmap = NULL;
1916         GtkWidget *vbox;
1917         GtkWidget *button;
1918         gchar *tip;
1919         gchar *tiptmp;
1920         const gchar *desc = NULL;
1921         gchar *sigshort = NULL;
1922         gchar *content_type;
1923         StockPixmap stockp;
1924         MimeInfo *partinfo;
1925         MimeInfo *siginfo = NULL;
1926         MimeInfo *encrypted = NULL;
1927
1928         vbox = mimeview->icon_vbox;
1929         mimeview->icon_count++;
1930         button = gtk_toggle_button_new();
1931         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1932         g_object_set_data(G_OBJECT(button), "icon_number",
1933                           GINT_TO_POINTER(mimeview->icon_count));
1934         g_object_set_data(G_OBJECT(button), "partinfo",
1935                           mimeinfo);
1936
1937         switch (mimeinfo->type) {
1938
1939         case MIMETYPE_TEXT:
1940                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1941                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1942                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
1943                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1944                 else
1945                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1946                 break;
1947         case MIMETYPE_MESSAGE:
1948                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1949                 break;
1950         case MIMETYPE_APPLICATION:
1951                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1952                 break;
1953         case MIMETYPE_IMAGE:
1954                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1955                 break;
1956         case MIMETYPE_AUDIO:
1957                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1958                 break;
1959         default:
1960                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1961                 break;
1962         }
1963
1964         partinfo = mimeinfo;
1965         while (partinfo != NULL) {
1966                 if (privacy_mimeinfo_is_signed(partinfo)) {
1967                         siginfo = partinfo;
1968                         break;
1969                 }
1970                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1971                         encrypted = partinfo;
1972                         break;
1973                 }
1974                 partinfo = procmime_mimeinfo_parent(partinfo);
1975         }
1976
1977         if (siginfo != NULL) {
1978                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1979                 case SIGNATURE_UNCHECKED:
1980                 case SIGNATURE_CHECK_FAILED:
1981                 case SIGNATURE_CHECK_TIMEOUT:
1982                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1983                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1984                         break;
1985                 case SIGNATURE_OK:
1986                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1987                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1988                         break;
1989                 case SIGNATURE_WARN:
1990                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1991                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1992                         break;
1993                 case SIGNATURE_INVALID:
1994                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1995                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1996                         break;
1997                 }
1998                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1999         } else if (encrypted != NULL) {
2000                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2001                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2002         } else {
2003                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2004                                                           OVERLAY_NONE, 6, 3);
2005         }
2006         gtk_container_add(GTK_CONTAINER(button), pixmap);
2007
2008         if (!desc) {
2009                 if (prefs_common.attach_desc)
2010                         desc = get_part_description(mimeinfo);
2011                 else
2012                         desc = get_part_name(mimeinfo);
2013         }
2014
2015         content_type = procmime_get_content_type_str(mimeinfo->type,
2016                                                      mimeinfo->subtype);
2017
2018         tip = g_strjoin("\n", content_type,
2019                         to_human_readable(mimeinfo->length), NULL);
2020         g_free(content_type);
2021         if (desc && *desc) {
2022                 gchar *tmp = NULL;
2023                 if (!g_utf8_validate(desc, -1, NULL)) {
2024                         tmp = conv_filename_to_utf8(desc);
2025                 } else {
2026                         tmp = g_strdup(desc);
2027                 }
2028                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2029                 g_free(tip);
2030                 tip = tiptmp;
2031                 g_free(tmp);
2032         }
2033         if (sigshort && *sigshort) {
2034                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2035                 g_free(tip);
2036                 tip = tiptmp;
2037         }
2038         g_free(sigshort);
2039
2040         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
2041         g_free(tip);
2042         gtk_widget_show_all(button);
2043         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2044                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2045         g_signal_connect(G_OBJECT(button), "button_release_event",
2046                          G_CALLBACK(icon_clicked_cb), mimeview);
2047         g_signal_connect(G_OBJECT(button), "key_press_event",
2048                          G_CALLBACK(icon_key_pressed), mimeview);
2049         g_signal_connect(G_OBJECT(button), "drag_data_get",
2050                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2051         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2052
2053 }
2054
2055 static void icon_list_clear (MimeView *mimeview)
2056 {
2057         GList     *child;
2058         GtkAdjustment *adj;
2059
2060         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2061         for (; child != NULL; child = g_list_next(child)) {
2062                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2063                                        GTK_WIDGET(child->data));
2064                 gtk_widget_destroy(GTK_WIDGET(child->data));
2065         }
2066         g_list_free(child);
2067         mimeview->icon_count = 0;
2068         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2069         gtk_adjustment_set_value(adj, adj->lower);
2070 }
2071
2072 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
2073                                           MimeInfo      *mimeinfo)
2074 {
2075         GList *child;
2076
2077         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2078         for (; child != NULL; child = g_list_next(child)) {
2079                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
2080                     g_object_get_data(G_OBJECT(child->data),
2081                                       "partinfo") == (gpointer)mimeinfo) {
2082                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
2083                         gtk_toggle_button_set_active
2084                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
2085                 }
2086         }
2087 }
2088
2089 /*!
2090  *\brief        Used to 'click' the next or previous icon.
2091  *
2092  *\return       true if the icon 'number' exists and was selected.
2093  */
2094 static gboolean icon_list_select_by_number(MimeView     *mimeview,
2095                                            gint          number)
2096 {
2097         GList *child;
2098
2099         if (number == 0) return FALSE;
2100         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
2101         for (; child != NULL; child = g_list_next(child)) {
2102                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
2103                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
2104                                         "icon_number")) == number) {
2105                         icon_selected(mimeview, number,
2106                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
2107                                                                    "partinfo"));
2108                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
2109                         gtk_toggle_button_set_active
2110                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
2111                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
2112
2113                         return TRUE;
2114                 }
2115         }
2116         return FALSE;
2117 }
2118
2119 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2120                                          GtkAllocation *size, MimeView *mimeview)
2121 {
2122         GtkAllocation *mainbox_size;
2123         GtkAllocation *vbox_size;
2124         GtkAllocation *layout_size;
2125         GtkAdjustment *adj;
2126
2127         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2128
2129         mainbox_size = &mimeview->icon_mainbox->allocation;
2130         vbox_size = &mimeview->icon_vbox->allocation;
2131         layout_size = &mimeview->icon_scroll->allocation;
2132
2133         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2134                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2135                             MAX(vbox_size->height, layout_size->height));
2136         adj->step_increment = 10;
2137 }
2138
2139 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2140 {
2141         GtkRequisition size;
2142
2143         g_return_if_fail(mimeinfo != NULL);
2144
2145         while (mimeinfo != NULL) {
2146                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2147                         icon_list_append_icon(mimeview, mimeinfo);
2148                 if (mimeinfo->node->children != NULL)
2149                         icon_list_create(mimeview,
2150                                 (MimeInfo *) mimeinfo->node->children->data);
2151                 mimeinfo = mimeinfo->node->next != NULL
2152                          ? (MimeInfo *) mimeinfo->node->next->data
2153                          : NULL;
2154         }
2155         gtk_widget_size_request(mimeview->icon_vbox, &size);
2156         if (size.width > mimeview->icon_mainbox->requisition.width) {
2157                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2158                                             size.width, -1);
2159         }
2160
2161 }
2162
2163 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
2164 {
2165         gtk_widget_ref(button);
2166
2167         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
2168                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
2169                                         GTK_SHADOW_NONE);
2170                 gtk_widget_hide(mimeview->icon_mainbox);
2171                 gtk_widget_show(mimeview->ctree_mainbox);
2172                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2173
2174                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2175                                         button);
2176                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2177                                    button, FALSE, FALSE, 0);
2178                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
2179         } else {
2180                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
2181                               GTK_SHADOW_NONE);
2182                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2183                 gtk_widget_hide(mimeview->ctree_mainbox);
2184                 gtk_widget_show(mimeview->icon_mainbox);
2185                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2186
2187                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2188                                         button);
2189                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2190                                    button, FALSE, FALSE, 0);
2191                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2192                 if (mimeview->opened)
2193                         icon_list_toggle_by_mime_info
2194                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
2195                                                                        mimeview->opened));
2196
2197                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
2198         }
2199         gtk_widget_grab_focus(button);
2200         gtk_widget_unref(button);
2201
2202 }
2203
2204 void mimeview_update (MimeView *mimeview) {
2205         if (mimeview && mimeview->mimeinfo) {
2206                 icon_list_clear(mimeview);
2207                 icon_list_create(mimeview, mimeview->mimeinfo);
2208         }
2209 }
2210
2211 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2212 {
2213         MessageView *msgview = NULL;
2214         MainWindow *mainwin = NULL;
2215
2216         if (!cmd)
2217                 return;
2218
2219         msgview = mimeview->messageview;
2220         if (!msgview)
2221                 return;
2222
2223         mainwin = msgview->mainwin;
2224         if (!mainwin)
2225                 return;
2226
2227         else if (!strcmp(cmd, "sc://view_log"))
2228                 log_window_show(mainwin->logwin);
2229         else if (!strcmp(cmd, "sc://save_as"))
2230                 mimeview_save_as(mimeview);
2231         else if (!strcmp(cmd, "sc://display_as_text"))
2232                 mimeview_display_as_text(mimeview);
2233         else if (!strcmp(cmd, "sc://open_with"))
2234                 mimeview_open_with(mimeview);
2235         else if (!strcmp(cmd, "sc://open"))
2236                 mimeview_launch(mimeview);
2237         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2238                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2239                 icon_selected(mimeview, -1, (MimeInfo *)data);
2240         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2241                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2242                 icon_selected(mimeview, -1, (MimeInfo *)data);
2243                 mimeview_launch(mimeview);
2244         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2245                 mimeview->spec_part = (MimeInfo *)data;
2246                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2247         }
2248 }
2249