src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2003 Hiroyuki Yamamoto
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 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 "stock_pixmap.h"
  64 #include "gtk/gtkvscrollbutton.h"
  65
  66
  67 typedef enum
  68 {
  69         COL_MIMETYPE = 0,
  70         COL_SIZE     = 1,
  71         COL_NAME     = 2
  72 } MimeViewColumnPos;
  73
  74 #define N_MIMEVIEW_COLS 3
  75
  76 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  77                                                  MimeInfo       *mimeinfo,
  78                                                  GtkCTreeNode   *parent);
  79 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  80                                                  MimeInfo       *partinfo,
  81                                                  GtkCTreeNode   *parent);
  82 static void mimeview_show_message_part          (MimeView       *mimeview,
  83                                                  MimeInfo       *partinfo);
  84 static void mimeview_change_view_type           (MimeView       *mimeview,
  85                                                  MimeViewType    type);
  86 gchar *mimeview_get_filename_for_part           (MimeInfo       *partinfo,
  87                                                  const gchar    *basedir,
  88                                                  gint            number);
  89 static gboolean mimeview_write_part             (const gchar    *filename,
  90                                                  MimeInfo       *partinfo);
  91
  92 static void mimeview_selected           (GtkCTree       *ctree,
  93                                          GtkCTreeNode   *node,
  94                                          gint            column,
  95                                          MimeView       *mimeview);
  96 static void mimeview_start_drag         (GtkWidget      *widget,
  97                                          gint            button,
  98                                          GdkEvent       *event,
  99                                          MimeView       *mimeview);
 100 static gint mimeview_button_pressed     (GtkWidget      *widget,
 101                                          GdkEventButton *event,
 102                                          MimeView       *mimeview);
 103 static gint mimeview_key_pressed        (GtkWidget      *widget,
 104                                          GdkEventKey    *event,
 105                                          MimeView       *mimeview);
 106
 107 static void mimeview_drag_data_get      (GtkWidget        *widget,
 108                                          GdkDragContext   *drag_context,
 109                                          GtkSelectionData *selection_data,
 110                                          guint             info,
 111                                          guint             time,
 112                                          MimeView         *mimeview);
 113
 114 static void mimeview_display_as_text    (MimeView       *mimeview);
 115 static void mimeview_save_as            (MimeView       *mimeview);
 116 static void mimeview_save_all           (MimeView       *mimeview);
 117 static void mimeview_launch             (MimeView       *mimeview);
 118 static void mimeview_open_with          (MimeView       *mimeview);
 119 static void mimeview_view_file          (const gchar    *filename,
 120                                          MimeInfo       *partinfo,
 121                                          const gchar    *cmdline,
 122                                          MimeView       *mimeview);
 123 static gboolean icon_clicked_cb         (GtkWidget      *button,
 124                                          GdkEventButton *event,
 125                                          MimeView       *mimeview);
 126 static void icon_selected               (MimeView       *mimeview,
 127                                          gint            num,
 128                                          MimeInfo       *partinfo);
 129 static gint icon_key_pressed            (GtkWidget      *button,
 130                                          GdkEventKey    *event,
 131                                          MimeView       *mimeview);
 132 static void toggle_icon                 (GtkToggleButton *button,
 133                                          MimeView       *mimeview);
 134 static void icon_list_append_icon       (MimeView       *mimeview,
 135                                          MimeInfo       *mimeinfo);
 136 static void icon_list_create            (MimeView       *mimeview,
 137                                          MimeInfo       *mimeinfo);
 138 static void icon_list_clear             (MimeView       *mimeview);
 139 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 140                                            MimeInfo     *mimeinfo);
 141 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 142                                            gint          number);
 143 static void mime_toggle_button_cb       (GtkWidget      *button,
 144                                          MimeView       *mimeview);
 145 static gboolean part_button_pressed     (MimeView       *mimeview,
 146                                          GdkEventButton *event,
 147                                          MimeInfo       *partinfo);
 148 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 149                                          GtkAllocation  *layout_size,
 150                                          MimeView       *mimeview);
 151
 152 static GtkItemFactoryEntry mimeview_popup_entries[] =
 153 {
 154         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 155         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 156         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 157         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 158         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 159 };
 160
 161 static GtkTargetEntry mimeview_mime_types[] =
 162 {
 163         {"text/uri-list", 0, 0}
 164 };
 165
 166 GSList *mimeviewer_factories;
 167 GSList *mimeviews;
 168
 169 MimeView *mimeview_create(MainWindow *mainwin)
 170 {
 171         MimeView *mimeview;
 172
 173         GtkWidget *paned;
 174         GtkWidget *scrolledwin;
 175         GtkWidget *ctree;
 176         GtkWidget *mime_notebook;
 177         GtkWidget *popupmenu;
 178         GtkWidget *ctree_mainbox;
 179         GtkWidget *vbox;
 180         GtkWidget *mime_toggle;
 181         GtkWidget *icon_mainbox;
 182         GtkWidget *icon_scroll;
 183         GtkWidget *icon_vbox;
 184         GtkWidget *arrow;
 185         GtkWidget *scrollbutton;
 186         GtkWidget *hbox;
 187         GtkTooltips *tooltips;
 188         GtkItemFactory *popupfactory;
 189         NoticeView *siginfoview;
 190         gchar *titles[N_MIMEVIEW_COLS];
 191         gint n_entries;
 192         gint i;
 193
 194         debug_print("Creating MIME view...\n");
 195         mimeview = g_new0(MimeView, 1);
 196
 197         titles[COL_MIMETYPE] = _("MIME Type");
 198         titles[COL_SIZE]     = _("Size");
 199         titles[COL_NAME]     = _("Name");
 200
 201         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 202         gtk_widget_show(scrolledwin);
 203         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 204                                        GTK_POLICY_AUTOMATIC,
 205                                        GTK_POLICY_AUTOMATIC);
 206
 207         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 208         gtk_widget_show(ctree);
 209         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 210         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 211         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 212                                            GTK_JUSTIFY_RIGHT);
 213         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 214         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 215         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 216                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 217                                        GTK_CAN_FOCUS);
 218         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 219
 220         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 221                          G_CALLBACK(mimeview_selected), mimeview);
 222         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 223                          G_CALLBACK(mimeview_button_pressed), mimeview);
 224         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 225                          G_CALLBACK(mimeview_key_pressed), mimeview);
 226         g_signal_connect(G_OBJECT (ctree),"start_drag",
 227                          G_CALLBACK (mimeview_start_drag), mimeview);
 228         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 229                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 230
 231         mime_notebook = gtk_notebook_new();
 232         gtk_widget_show(mime_notebook);
 233         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 234         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 235         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 236
 237         icon_vbox = gtk_vbox_new(FALSE, 2);
 238         gtk_widget_show(icon_vbox);
 239         icon_scroll = gtk_layout_new(NULL, NULL);
 240         gtk_widget_show(icon_scroll);
 241         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 242         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 243         gtk_widget_show(scrollbutton);
 244
 245         mime_toggle = gtk_toggle_button_new();
 246         gtk_widget_show(mime_toggle);
 247         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 248         gtk_widget_show(arrow);
 249         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 250         g_signal_connect(G_OBJECT(mime_toggle), "toggled",
 251                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 252
 253         icon_mainbox = gtk_vbox_new(FALSE, 0);
 254         gtk_widget_show(icon_mainbox);
 255         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 256         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 257         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 258         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 259                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 260
 261         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 262         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 263
 264         n_entries = sizeof(mimeview_popup_entries) /
 265                 sizeof(mimeview_popup_entries[0]);
 266         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 267                                       "<MimeView>", &popupfactory, mimeview);
 268         tooltips = gtk_tooltips_new();
 269         gtk_tooltips_set_delay(tooltips, 0);
 270
 271         vbox = gtk_vbox_new(FALSE, 0);
 272         gtk_widget_show(vbox);
 273         siginfoview = noticeview_create(mainwin);
 274         noticeview_hide(siginfoview);
 275         noticeview_set_icon_clickable(siginfoview, TRUE);
 276         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 277         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 278
 279         paned = gtk_vpaned_new();
 280         gtk_widget_show(paned);
 281         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 282         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 283         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 284
 285         hbox = gtk_hbox_new(FALSE, 0);
 286         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 287         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 288
 289         gtk_widget_show(hbox);
 290         gtk_widget_hide(ctree_mainbox);
 291
 292         mimeview->hbox          = hbox;
 293         mimeview->paned         = paned;
 294         mimeview->scrolledwin   = scrolledwin;
 295         mimeview->ctree         = ctree;
 296         mimeview->mime_notebook = mime_notebook;
 297         mimeview->popupmenu     = popupmenu;
 298         mimeview->popupfactory  = popupfactory;
 299         mimeview->type          = -1;
 300         mimeview->ctree_mainbox = ctree_mainbox;
 301         mimeview->icon_scroll   = icon_scroll;
 302         mimeview->icon_vbox     = icon_vbox;
 303         mimeview->icon_mainbox  = icon_mainbox;
 304         mimeview->icon_count    = 0;
 305         mimeview->mainwin       = mainwin;
 306         mimeview->tooltips      = tooltips;
 307         mimeview->oldsize       = 60;
 308         mimeview->mime_toggle   = mime_toggle;
 309         mimeview->siginfoview   = siginfoview;
 310
 311         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 312
 313         mimeviews = g_slist_prepend(mimeviews, mimeview);
 314
 315         return mimeview;
 316 }
 317
 318 void mimeview_init(MimeView *mimeview)
 319 {
 320         textview_init(mimeview->textview);
 321
 322         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 323                 GTK_WIDGET_PTR(mimeview->textview));
 324 }
 325
 326 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 327                            const gchar *file)
 328 {
 329         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 330         GtkCTreeNode *node;
 331
 332         mimeview_clear(mimeview);
 333
 334         g_return_if_fail(file != NULL);
 335         g_return_if_fail(mimeinfo != NULL);
 336
 337         mimeview->mimeinfo = mimeinfo;
 338
 339         mimeview->file = g_strdup(file);
 340
 341         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 342                                         mimeview);
 343
 344         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 345         icon_list_create(mimeview, mimeinfo);
 346
 347         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 348                                           mimeview_selected, mimeview);
 349
 350         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 351         if (node) {
 352                 gtk_ctree_select(ctree, node);
 353                 icon_list_toggle_by_mime_info
 354                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 355                 gtkut_ctree_set_focus_row(ctree, node);
 356         }
 357 }
 358
 359 void mimeview_destroy(MimeView *mimeview)
 360 {
 361         GSList *cur;
 362
 363         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 364                 MimeViewer *viewer = (MimeViewer *) cur->data;
 365                 gtk_container_remove(GTK_CONTAINER(mimeview->mime_notebook),
 366                         GTK_WIDGET(viewer->get_widget(viewer)));
 367                 viewer->destroy_viewer(viewer);
 368         }
 369         g_slist_free(mimeview->viewers);
 370         gtk_target_list_unref(mimeview->target_list);
 371
 372         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 373         g_free(mimeview->file);
 374         g_free(mimeview);
 375
 376         mimeviews = g_slist_remove(mimeviews, mimeview);
 377
 378 }
 379
 380 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 381 {
 382         return gtk_ctree_node_get_row_data
 383                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 384 }
 385
 386 static void mimeview_set_multipart_tree(MimeView *mimeview,
 387                                         MimeInfo *mimeinfo,
 388                                         GtkCTreeNode *parent)
 389 {
 390         GtkCTreeNode *node;
 391
 392         g_return_if_fail(mimeinfo != NULL);
 393
 394         while (mimeinfo != NULL) {
 395                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 396
 397                 if (mimeinfo->node->children)
 398                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 399                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 400         }
 401 }
 402
 403 static const gchar *get_part_name(MimeInfo *partinfo)
 404 {
 405         const gchar *name;
 406
 407         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 408         if (name == NULL)
 409                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 410         if (name == NULL)
 411                 name = "";
 412
 413         return name;
 414 }
 415
 416 static const gchar *get_part_description(MimeInfo *partinfo)
 417 {
 418         if (partinfo->description)
 419                 return partinfo->description;
 420         else
 421                 return get_part_name(partinfo);
 422 }
 423
 424 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 425                                           MimeInfo *partinfo,
 426                                           GtkCTreeNode *parent)
 427 {
 428         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 429         GtkCTreeNode *node;
 430         static gchar content_type[64];
 431         gchar *str[N_MIMEVIEW_COLS];
 432
 433         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 434                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 435         } else {
 436                 g_snprintf(content_type, 64, "UNKNOWN");
 437         }
 438
 439         str[COL_MIMETYPE] = content_type;
 440         str[COL_SIZE] = to_human_readable(partinfo->length);
 441         if (prefs_common.attach_desc)
 442                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 443         else
 444                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 445
 446         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 447                                      NULL, NULL, NULL, NULL,
 448                                      FALSE, TRUE);
 449         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 450
 451         return node;
 452 }
 453
 454 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 455 {
 456         FILE *fp;
 457         const gchar *fname;
 458
 459         if (!partinfo) return;
 460
 461         fname = mimeview->file;
 462         if (!fname) return;
 463
 464         if ((fp = g_fopen(fname, "rb")) == NULL) {
 465                 FILE_OP_ERROR(fname, "fopen");
 466                 return;
 467         }
 468
 469         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 470                 FILE_OP_ERROR(mimeview->file, "fseek");
 471                 fclose(fp);
 472                 return;
 473         }
 474
 475         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 476         textview_show_part(mimeview->textview, partinfo, fp);
 477
 478         fclose(fp);
 479 }
 480
 481 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 482 {
 483         GSList *cur;
 484         MimeViewerFactory *factory = NULL;
 485         MimeViewer *viewer = NULL;
 486
 487 /*
 488  * FNM_CASEFOLD is a GNU extension
 489  * if its not defined copy the string to the stack and
 490  * convert the copy to lower case
 491  */
 492 #ifndef FNM_CASEFOLD
 493 #define FNM_CASEFOLD 0
 494         Xstrdup_a(content_type, content_type, return NULL);
 495         g_strdown((gchar *)content_type);
 496 #endif
 497
 498         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 499                 MimeViewerFactory *curfactory = cur->data;
 500                 gint i = 0;
 501
 502                 while (curfactory->content_types[i] != NULL) {
 503                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 504                                 debug_print("%s\n", curfactory->content_types[i]);
 505                                 factory = curfactory;
 506                                 break;
 507                         }
 508                         i++;
 509                 }
 510                 if (factory != NULL)
 511                         break;
 512         }
 513         if (factory == NULL)
 514                 return NULL;
 515
 516         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 517                 MimeViewer *curviewer = cur->data;
 518
 519                 if (curviewer->factory == factory)
 520                         return curviewer;
 521         }
 522         viewer = factory->create_viewer();
 523         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 524                 GTK_WIDGET(viewer->get_widget(viewer)));
 525
 526         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 527
 528         return viewer;
 529 }
 530
 531 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 532 {
 533         gchar *content_type = NULL;
 534         MimeViewer *viewer = NULL;
 535
 536         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 537             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 538                 const gchar *filename;
 539
 540                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 541                 if (filename == NULL)
 542                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 543                 if (filename != NULL)
 544                         content_type = procmime_get_mime_type(filename);
 545         } else {
 546                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 547         }
 548
 549         if (content_type != NULL) {
 550                 viewer = get_viewer_for_content_type(mimeview, content_type);
 551                 g_free(content_type);
 552         }
 553
 554         return viewer;
 555 }
 556
 557 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 558 {
 559         MimeViewer *viewer;
 560
 561         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 562         if (viewer == NULL) {
 563                 if (mimeview->mimeviewer != NULL)
 564                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 565                 mimeview->mimeviewer = NULL;
 566                 return FALSE;
 567         }
 568
 569         if (mimeview->mimeviewer != NULL)
 570                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 571
 572         if (mimeview->mimeviewer != viewer) {
 573                 mimeview->mimeviewer = viewer;
 574                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 575         }
 576         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 577
 578         return TRUE;
 579 }
 580
 581 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 582 {
 583         TextView  *textview  = mimeview->textview;
 584
 585         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 586             (mimeview->type == type)) return;
 587
 588         switch (type) {
 589         case MIMEVIEW_TEXT:
 590                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 591                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 592                         GTK_WIDGET_PTR(textview)));
 593                 break;
 594         case MIMEVIEW_VIEWER:
 595                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 596                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 597                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 598                 break;
 599         default:
 600                 return;
 601         }
 602
 603         mimeview->type = type;
 604 }
 605
 606 void mimeview_clear(MimeView *mimeview)
 607 {
 608         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 609
 610         noticeview_hide(mimeview->siginfoview);
 611
 612         gtk_clist_clear(clist);
 613         textview_clear(mimeview->textview);
 614         if (mimeview->mimeviewer != NULL)
 615                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 616
 617         if (mimeview->mimeinfo != NULL)
 618                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 619         mimeview->mimeinfo = NULL;
 620
 621         mimeview->opened = NULL;
 622
 623         g_free(mimeview->file);
 624         mimeview->file = NULL;
 625
 626         icon_list_clear(mimeview);
 627 }
 628
 629 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 630 void mimeview_check_signature(MimeView *mimeview);
 631 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 632
 633 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo)
 634 {
 635         gchar *text = NULL, *button_text = NULL;
 636         void  *func = NULL;
 637         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 638
 639         g_return_if_fail(mimeview != NULL);
 640         g_return_if_fail(mimeinfo != NULL);
 641
 642         switch (privacy_mimeinfo_get_sig_status(mimeinfo)) {
 643         case SIGNATURE_UNCHECKED:
 644                 button_text = _("Check signature");
 645                 func = check_signature_cb;
 646                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 647                 break;
 648         case SIGNATURE_OK:
 649                 button_text = _("View full information");
 650                 func = display_full_info_cb;
 651                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 652                 break;
 653         case SIGNATURE_WARN:
 654                 button_text = _("View full information");
 655                 func = display_full_info_cb;
 656                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 657                 break;
 658         case SIGNATURE_INVALID:
 659                 button_text = _("View full information");
 660                 func = display_full_info_cb;
 661                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 662                 break;
 663         case SIGNATURE_CHECK_FAILED:
 664                 button_text = _("Check again");
 665                 func = check_signature_cb;
 666                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 667         default:
 668                 break;
 669         }
 670         if (privacy_mimeinfo_get_sig_status(mimeinfo) == SIGNATURE_UNCHECKED) {
 671                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 672                 text = g_strdup_printf("%s %s",
 673                         tmp, _("Click the icon or hit 'C' to check it."));
 674                 g_free(tmp);
 675         } else
 676                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 677         noticeview_set_text(mimeview->siginfoview, text);
 678         g_free(text);
 679         noticeview_set_button_text(mimeview->siginfoview, NULL);
 680         noticeview_set_button_press_callback(
 681                 mimeview->siginfoview,
 682                 G_CALLBACK(func),
 683                 (gpointer) mimeview);
 684         noticeview_set_icon(mimeview->siginfoview, icon);
 685         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 686 }
 687
 688 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 689 {
 690         MimeView *mimeview = (MimeView *) user_data;
 691         MimeInfo *mimeinfo = mimeview->siginfo;
 692
 693         if (mimeinfo == NULL)
 694                 return;
 695
 696         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
 697         GTK_EVENTS_FLUSH();
 698         privacy_mimeinfo_check_signature(mimeinfo);
 699         update_signature_noticeview(mimeview, mimeview->siginfo);
 700         icon_list_clear(mimeview);
 701         icon_list_create(mimeview, mimeview->mimeinfo);
 702 }
 703
 704 void mimeview_check_signature(MimeView *mimeview)
 705 {
 706         check_signature_cb(NULL, mimeview);
 707 }
 708
 709 static void redisplay_email(GtkWidget *widget, gpointer user_data)
 710 {
 711         MimeView *mimeview = (MimeView *) user_data;
 712         GtkCTreeNode *node = mimeview->opened;
 713         mimeview->opened = NULL;
 714         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
 715 }
 716
 717 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 718 {
 719         MimeView *mimeview = (MimeView *) user_data;
 720         gchar *siginfo;
 721
 722         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 723         textview_set_text(mimeview->textview, siginfo);
 724         g_free(siginfo);
 725         noticeview_set_button_text(mimeview->siginfoview, NULL);
 726         noticeview_set_button_press_callback(
 727                 mimeview->siginfoview,
 728                 G_CALLBACK(redisplay_email),
 729                 (gpointer) mimeview);
 730         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
 731 }
 732
 733 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
 734 {
 735         MimeInfo *siginfo;
 736         MimeInfo *first_text;
 737
 738         g_return_if_fail(mimeview != NULL);
 739         g_return_if_fail(selected != NULL);
 740
 741         if (selected->type == MIMETYPE_MESSAGE
 742         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
 743                 /* if the first text part is signed, check that */
 744                 first_text = selected;
 745                 while (first_text && first_text->type != MIMETYPE_TEXT) {
 746                         first_text = procmime_mimeinfo_next(first_text);
 747                 }
 748                 if (first_text) {
 749                         update_signature_info(mimeview, first_text);
 750                         return;
 751                 }
 752         }
 753
 754         siginfo = selected;
 755         while (siginfo != NULL) {
 756                 if (privacy_mimeinfo_is_signed(siginfo))
 757                         break;
 758                 siginfo = procmime_mimeinfo_parent(siginfo);
 759         }
 760         mimeview->siginfo = siginfo;
 761
 762         if (siginfo == NULL) {
 763                 noticeview_hide(mimeview->siginfoview);
 764                 return;
 765         }
 766
 767         update_signature_noticeview(mimeview, siginfo);
 768         noticeview_show(mimeview->siginfoview);
 769 }
 770
 771 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 772                               MimeView *mimeview)
 773 {
 774         MimeInfo *partinfo;
 775
 776         if (mimeview->opened == node) return;
 777         mimeview->opened = node;
 778         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 779
 780         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 781         if (!partinfo) return;
 782
 783         /* ungrab the mouse event */
 784         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 785                 gtk_grab_remove(GTK_WIDGET(ctree));
 786                 if (gdk_pointer_is_grabbed())
 787                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 788         }
 789
 790         mimeview->textview->default_text = FALSE;
 791
 792         update_signature_info(mimeview, partinfo);
 793
 794         if (!mimeview_show_part(mimeview, partinfo)) {
 795                 switch (partinfo->type) {
 796                 case MIMETYPE_TEXT:
 797                 case MIMETYPE_MESSAGE:
 798                 case MIMETYPE_MULTIPART:
 799                         mimeview_show_message_part(mimeview, partinfo);
 800
 801                         break;
 802                 default:
 803                         mimeview->textview->default_text = TRUE;
 804                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 805                         textview_show_mime_part(mimeview->textview, partinfo);
 806                         break;
 807                 }
 808         }
 809 }
 810
 811 static void mimeview_start_drag(GtkWidget *widget, gint button,
 812                                 GdkEvent *event, MimeView *mimeview)
 813 {
 814         GdkDragContext *context;
 815         MimeInfo *partinfo;
 816
 817         g_return_if_fail(mimeview != NULL);
 818
 819         partinfo = mimeview_get_selected_part(mimeview);
 820         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
 821
 822         context = gtk_drag_begin(widget, mimeview->target_list,
 823                                  GDK_ACTION_COPY, button, event);
 824         gtk_drag_set_icon_default(context);
 825 }
 826
 827 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 828                                     MimeView *mimeview)
 829 {
 830         GtkCList *clist = GTK_CLIST(widget);
 831         gint row, column;
 832
 833         if (!event) return FALSE;
 834
 835         if (event->button == 2 || event->button == 3) {
 836                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 837                                                   &row, &column))
 838                         return FALSE;
 839                 gtk_clist_unselect_all(clist);
 840                 gtk_clist_select_row(clist, row, column);
 841                 gtkut_clist_set_focus_row(clist, row);
 842         }
 843         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 844
 845         return FALSE;
 846 }
 847
 848 /* from gdkevents.c */
 849 #define DOUBLE_CLICK_TIME 250
 850
 851 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 852                                     MimeInfo *partinfo)
 853 {
 854         static MimeInfo *lastinfo;
 855         static guint32 lasttime;
 856
 857         if (event->button == 2 ||
 858             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
 859                 /* call external program for image, audio or html */
 860                 mimeview_launch(mimeview);
 861                 return TRUE;
 862         } else if (event->button == 3) {
 863                 if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
 864                                  partinfo->type == MIMETYPE_MESSAGE ||
 865                                  partinfo->type == MIMETYPE_IMAGE ||
 866                                  partinfo->type == MIMETYPE_MULTIPART))
 867                         menu_set_sensitive(mimeview->popupfactory,
 868                                            "/Display as text", FALSE);
 869                 else
 870                         menu_set_sensitive(mimeview->popupfactory,
 871                                            "/Display as text", TRUE);
 872                 if (partinfo &&
 873                     partinfo->type == MIMETYPE_APPLICATION &&
 874                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
 875                         menu_set_sensitive(mimeview->popupfactory,
 876                                            "/Open", FALSE);
 877                 else
 878                         menu_set_sensitive(mimeview->popupfactory,
 879                                            "/Open", TRUE);
 880
 881                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
 882                                   "pop_partinfo", partinfo);
 883
 884                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 885                                NULL, NULL, NULL, NULL,
 886                                event->button, event->time);
 887                 return TRUE;
 888         }
 889
 890         lastinfo = partinfo;
 891         lasttime = event->time;
 892         return FALSE;
 893 }
 894
 895
 896 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 897 {
 898         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 899 }
 900
 901 #define BREAK_ON_MODIFIER_KEY() \
 902         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 903
 904 #define KEY_PRESS_EVENT_STOP() \
 905         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
 906                                        "key_press_event");
 907
 908 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 909                                  MimeView *mimeview)
 910 {
 911         SummaryView *summaryview;
 912         GtkCTree *ctree = GTK_CTREE(widget);
 913         GtkCTreeNode *node;
 914
 915         if (!event) return FALSE;
 916         if (!mimeview->opened) return FALSE;
 917
 918         summaryview = mimeview->messageview->mainwin->summaryview;
 919
 920         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
 921                 return FALSE;
 922
 923         switch (event->keyval) {
 924         case GDK_space:
 925                 if (textview_scroll_page(mimeview->textview, FALSE))
 926                         return TRUE;
 927
 928                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 929                 if (node) {
 930                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 931                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 932                         return TRUE;
 933                 }
 934                 break;
 935         case GDK_BackSpace:
 936                 textview_scroll_page(mimeview->textview, TRUE);
 937                 return TRUE;
 938         case GDK_Return:
 939                 textview_scroll_one_line(mimeview->textview,
 940                                          (event->state & GDK_MOD1_MASK) != 0);
 941                 return TRUE;
 942         case GDK_n:
 943         case GDK_N:
 944                 BREAK_ON_MODIFIER_KEY();
 945                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 946                 KEY_PRESS_EVENT_STOP();
 947                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 948                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 949                 return TRUE;
 950         case GDK_p:
 951         case GDK_P:
 952                 BREAK_ON_MODIFIER_KEY();
 953                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 954                 KEY_PRESS_EVENT_STOP();
 955                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 956                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 957                 return TRUE;
 958         case GDK_y:
 959                 BREAK_ON_MODIFIER_KEY();
 960                 KEY_PRESS_EVENT_STOP();
 961                 mimeview_save_as(mimeview);
 962                 return TRUE;
 963         case GDK_t:
 964                 BREAK_ON_MODIFIER_KEY();
 965                 KEY_PRESS_EVENT_STOP();
 966                 mimeview_display_as_text(mimeview);
 967                 return TRUE;
 968         case GDK_l:
 969                 BREAK_ON_MODIFIER_KEY();
 970                 KEY_PRESS_EVENT_STOP();
 971                 mimeview_launch(mimeview);
 972                 return TRUE;
 973         case GDK_o:
 974                 BREAK_ON_MODIFIER_KEY();
 975                 KEY_PRESS_EVENT_STOP();
 976                 mimeview_open_with(mimeview);
 977                 return TRUE;
 978         case GDK_c:
 979                 BREAK_ON_MODIFIER_KEY();
 980                 KEY_PRESS_EVENT_STOP();
 981                 mimeview_check_signature(mimeview);
 982                 return TRUE;
 983         default:
 984                 break;
 985         }
 986
 987         if (!mimeview->messageview->mainwin) return FALSE;
 988
 989         summary_pass_key_press_event(summaryview, event);
 990         return TRUE;
 991 }
 992
 993 static void mimeview_drag_data_get(GtkWidget        *widget,
 994                                    GdkDragContext   *drag_context,
 995                                    GtkSelectionData *selection_data,
 996                                    guint             info,
 997                                    guint             time,
 998                                    MimeView         *mimeview)
 999 {
1000         gchar *filename, *uriname, *tmp;
1001         MimeInfo *partinfo;
1002
1003         if (!mimeview->opened) return;
1004         if (!mimeview->file) return;
1005
1006         partinfo = mimeview_get_selected_part(mimeview);
1007         if (!partinfo) return;
1008
1009         filename = g_path_get_basename(get_part_name(partinfo));
1010         if (*filename == '\0') return;
1011
1012         tmp = filename;
1013
1014         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1015                                filename, NULL);
1016
1017         g_free(tmp);
1018
1019         if (procmime_get_part(filename, partinfo) < 0)
1020                 alertpanel_error
1021                         (_("Can't save the part of multipart message."));
1022
1023         uriname = g_strconcat("file://", filename, NULL);
1024         gtk_selection_data_set(selection_data, selection_data->target, 8,
1025                                uriname, strlen(uriname));
1026
1027         g_free(uriname);
1028         g_free(filename);
1029 }
1030
1031 /**
1032  * Returns a filename (with path) for an attachment
1033  * \param partinfo The attachment to save
1034  * \param basedir The target directory
1035  * \param number Used for dummy filename if attachment is unnamed
1036  */
1037 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1038                                       const gchar *basedir,
1039                                       gint number)
1040 {
1041         gchar *fullname;
1042         gchar *filename;
1043
1044         filename = g_strdup(get_part_name(partinfo));
1045         if (!filename || !*filename)
1046                 filename = g_strdup_printf("noname.%d", number);
1047
1048         if (!g_utf8_validate(filename, -1, NULL)) {
1049                 gchar *tmp = conv_filename_to_utf8(filename);
1050                 g_free(filename);
1051                 filename = tmp;
1052         }
1053
1054         subst_for_filename(filename);
1055
1056         fullname = g_strconcat
1057                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1058                  ? &filename[1] : filename, NULL);
1059
1060         g_free(filename);
1061         filename = conv_filename_from_utf8(fullname);
1062         g_free(fullname);
1063         return filename;
1064 }
1065
1066 /**
1067  * Write a single attachment to file
1068  * \param filename Filename with path
1069  * \param partinfo Attachment to save
1070  */
1071 static gboolean mimeview_write_part(const gchar *filename,
1072                                     MimeInfo *partinfo)
1073 {
1074         gchar *dir;
1075
1076         dir= g_path_get_dirname(filename);
1077         if (!is_dir_exist(dir))
1078                 make_dir_hier(dir);
1079         g_free(dir);
1080
1081         if (is_file_exist(filename)) {
1082                 AlertValue aval;
1083                 gchar *res;
1084                 gchar *tmp;
1085
1086                 if (!g_utf8_validate(filename, -1, NULL))
1087                         tmp = conv_filename_to_utf8(filename);
1088                 else
1089                         tmp = g_strdup(filename);
1090
1091                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1092                                       tmp);
1093                 g_free(tmp);
1094                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_OK,
1095                                   GTK_STOCK_CANCEL, NULL);
1096                 g_free(res);
1097                 if (G_ALERTDEFAULT != aval) return FALSE;
1098         }
1099
1100         if (procmime_get_part(filename, partinfo) < 0) {
1101                 alertpanel_error
1102                         (_("Can't save the part of multipart message."));
1103                 return FALSE;
1104         }
1105
1106         return TRUE;
1107 }
1108
1109 /**
1110  * Menu callback: Save all attached files
1111  * \param mimeview Current display
1112  */
1113 static void mimeview_save_all(MimeView *mimeview)
1114 {
1115         MimeInfo *partinfo;
1116         gchar *dirname;
1117         gchar *startdir = NULL;
1118         gint number = 1;
1119
1120         if (!mimeview->opened) return;
1121         if (!mimeview->file) return;
1122         if (!mimeview->mimeinfo) return;
1123
1124         partinfo = mimeview->mimeinfo;
1125         if (prefs_common.attach_save_dir)
1126                 startdir = g_strconcat(prefs_common.attach_save_dir,
1127                                        G_DIR_SEPARATOR_S, NULL);
1128
1129         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1130         if (!dirname) {
1131                 if (startdir) g_free(startdir);
1132                 return;
1133         }
1134
1135         if (!is_dir_exist (dirname)) {
1136                 alertpanel_error(_("'%s' is not a directory."),
1137                                  dirname);
1138                 if (startdir) g_free(startdir);
1139                 return;
1140         }
1141
1142         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1143                 dirname[strlen(dirname)-1] = '\0';
1144
1145         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1146         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1147                 partinfo = procmime_mimeinfo_next(partinfo);
1148         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1149                 partinfo = procmime_mimeinfo_next(partinfo);
1150                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1151                         partinfo = procmime_mimeinfo_next(partinfo);
1152         }
1153
1154         while (partinfo != NULL) {
1155                 if (partinfo->type != MIMETYPE_MESSAGE &&
1156                     partinfo->type != MIMETYPE_MULTIPART &&
1157                     partinfo->disposition != DISPOSITIONTYPE_INLINE) {
1158                         gchar *filename = mimeview_get_filename_for_part
1159                                 (partinfo, dirname, number++);
1160
1161                         mimeview_write_part(filename, partinfo);
1162                         g_free(filename);
1163                 }
1164                 partinfo = procmime_mimeinfo_next(partinfo);
1165         }
1166
1167         if (prefs_common.attach_save_dir)
1168                 g_free(prefs_common.attach_save_dir);
1169
1170         prefs_common.attach_save_dir = g_strdup(dirname);
1171
1172         if (startdir) g_free(startdir);
1173 }
1174
1175 /**
1176  * Menu callback: Save the selected attachment
1177  * \param mimeview Current display
1178  */
1179 static void mimeview_save_as(MimeView *mimeview)
1180 {
1181         gchar *filename;
1182         gchar *filepath = NULL;
1183         gchar *filedir = NULL;
1184         MimeInfo *partinfo;
1185         gchar *partname = NULL;
1186
1187         if (!mimeview->opened) return;
1188         if (!mimeview->file) return;
1189
1190         partinfo = mimeview_get_selected_part(mimeview);
1191         if (!partinfo) {
1192                 partinfo = (MimeInfo *) g_object_get_data
1193                          (G_OBJECT(mimeview->popupmenu),
1194                          "pop_partinfo");
1195                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1196                                   "pop_partinfo", NULL);
1197         }
1198         g_return_if_fail(partinfo != NULL);
1199
1200         if (get_part_name(partinfo) == NULL) {
1201                 return;
1202         }
1203         partname = g_strdup(get_part_name(partinfo));
1204
1205         if (!g_utf8_validate(partname, -1, NULL)) {
1206                 gchar *tmp = conv_filename_to_utf8(partname);
1207                 g_free(partname);
1208                 partname = tmp;
1209         }
1210
1211         subst_for_filename(partname);
1212
1213         if (prefs_common.attach_save_dir)
1214                 filepath = g_strconcat(prefs_common.attach_save_dir,
1215                                        G_DIR_SEPARATOR_S, partname, NULL);
1216         else
1217                 filepath = g_strdup(partname);
1218
1219         g_free(partname);
1220
1221         filename = filesel_select_file_save(_("Save as"), filepath);
1222         if (!filename) {
1223                 g_free(filepath);
1224                 return;
1225         }
1226
1227         mimeview_write_part(filename, partinfo);
1228
1229         filedir = g_path_get_dirname(filename);
1230         if (filedir && strcmp(filedir, ".")) {
1231                 if (prefs_common.attach_save_dir)
1232                         g_free(prefs_common.attach_save_dir);
1233                 prefs_common.attach_save_dir = g_strdup(filedir);
1234         }
1235
1236         g_free(filedir);
1237         g_free(filepath);
1238 }
1239
1240 static void mimeview_display_as_text(MimeView *mimeview)
1241 {
1242         MimeInfo *partinfo;
1243
1244         if (!mimeview->opened) return;
1245
1246         partinfo = mimeview_get_selected_part(mimeview);
1247         if (!partinfo)  {
1248                 partinfo = (MimeInfo *) g_object_get_data
1249                         (G_OBJECT(mimeview->popupmenu),
1250                          "pop_partinfo");
1251                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1252                                   "pop_partinfo", NULL);
1253
1254         }
1255         g_return_if_fail(partinfo != NULL);
1256         mimeview_show_message_part(mimeview, partinfo);
1257 }
1258
1259 static void mimeview_launch(MimeView *mimeview)
1260 {
1261         MimeInfo *partinfo;
1262         gchar *filename;
1263
1264         if (!mimeview->opened) return;
1265         if (!mimeview->file) return;
1266
1267         partinfo = mimeview_get_selected_part(mimeview);
1268         if (!partinfo) {
1269                 partinfo = (MimeInfo *) g_object_get_data
1270                         (G_OBJECT(mimeview->popupmenu),
1271                          "pop_partinfo");
1272                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1273                                   "pop_partinfo", NULL);
1274         }
1275         g_return_if_fail(partinfo != NULL);
1276
1277         filename = procmime_get_tmp_file_name(partinfo);
1278
1279         if (procmime_get_part(filename, partinfo) < 0)
1280                 alertpanel_error
1281                         (_("Can't save the part of multipart message."));
1282         else
1283                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1284
1285         g_free(filename);
1286 }
1287
1288 static void mimeview_open_with(MimeView *mimeview)
1289 {
1290         MimeInfo *partinfo;
1291         gchar *filename;
1292         gchar *cmd;
1293         gchar *mime_command = NULL;
1294         gchar *content_type = NULL;
1295
1296         if (!mimeview) return;
1297         if (!mimeview->opened) return;
1298         if (!mimeview->file) return;
1299
1300         partinfo = mimeview_get_selected_part(mimeview);
1301         if (!partinfo) {
1302                 partinfo = (MimeInfo *) g_object_get_data
1303                         (G_OBJECT(mimeview->popupmenu),
1304                          "pop_partinfo");
1305                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1306                                   "pop_partinfo", NULL);
1307         }
1308         g_return_if_fail(partinfo != NULL);
1309
1310         filename = procmime_get_tmp_file_name(partinfo);
1311
1312         if (procmime_get_part(filename, partinfo) < 0) {
1313                 alertpanel_error
1314                         (_("Can't save the part of multipart message."));
1315                 g_free(filename);
1316                 return;
1317         }
1318
1319         if (!prefs_common.mime_open_cmd_history)
1320                 prefs_common.mime_open_cmd_history =
1321                         add_history(NULL, prefs_common.mime_open_cmd);
1322
1323         content_type = procmime_get_content_type_str(partinfo->type,
1324                         partinfo->subtype);
1325         mime_command = mailcap_get_command_for_type(content_type);
1326         g_free(content_type);
1327         cmd = input_dialog_combo
1328                 (_("Open with"),
1329                  _("Enter the command line to open file:\n"
1330                    "('%s' will be replaced with file name)"),
1331                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1332                  prefs_common.mime_open_cmd_history,
1333                  TRUE);
1334         g_free(mime_command);
1335         if (cmd) {
1336                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1337                 g_free(prefs_common.mime_open_cmd);
1338                 prefs_common.mime_open_cmd = cmd;
1339                 prefs_common.mime_open_cmd_history =
1340                         add_history(prefs_common.mime_open_cmd_history, cmd);
1341         }
1342
1343         g_free(filename);
1344 }
1345
1346 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1347                                const gchar *cmdline, MimeView *mimeview)
1348 {
1349         static gchar *default_image_cmdline = DEFAULT_IMAGE_VIEWER_CMD;
1350         static gchar *default_audio_cmdline = DEFAULT_AUDIO_PLAYER_CMD;
1351         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1352         static gchar *mime_cmdline = DEFAULT_MIME_CMD;
1353         gchar buf[1024];
1354         gchar m_buf[1024];
1355         const gchar *cmd;
1356         const gchar *def_cmd;
1357         const gchar *p;
1358
1359         if (cmdline) {
1360                 cmd = cmdline;
1361                 def_cmd = NULL;
1362         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1363                    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream")) {
1364                 mimeview_open_with(mimeview);
1365                 return;
1366         } else if (MIMETYPE_IMAGE == partinfo->type) {
1367                 cmd = prefs_common.mime_image_viewer;
1368                 def_cmd = default_image_cmdline;
1369         } else if (MIMETYPE_AUDIO == partinfo->type) {
1370                 cmd = prefs_common.mime_audio_player;
1371                 def_cmd = default_audio_cmdline;
1372         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1373                 cmd = prefs_common.uri_cmd;
1374                 def_cmd = default_html_cmdline;
1375         } else {
1376                 gchar *content_type;
1377
1378                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1379                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1380                            content_type, "%s");
1381                 g_free(content_type);
1382                 cmd = m_buf;
1383                 def_cmd = NULL;
1384         }
1385
1386         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1387             !strchr(p + 2, '%'))
1388                 g_snprintf(buf, sizeof(buf), cmd, filename);
1389         else {
1390                 if (cmd)
1391                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1392                 if (def_cmd)
1393                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1394                 else {
1395                         mimeview_open_with(mimeview);
1396                         return;
1397                 }
1398         }
1399
1400         if (execute_command_line(buf, TRUE) != 0)
1401                 mimeview_open_with(mimeview);
1402 }
1403
1404 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1405 {
1406         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1407 }
1408
1409 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1410 {
1411         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1412 }
1413
1414 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1415 {
1416         GSList *mimeview_list, *viewer_list;
1417
1418         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1419                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1420
1421                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1422                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1423                         mimeview->mimeviewer = NULL;
1424                 }
1425
1426                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1427                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1428
1429                         mimeviewer->destroy_viewer(mimeviewer);
1430                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1431                 }
1432         }
1433
1434         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1435 }
1436
1437 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1438 {
1439         gint      num;
1440         MimeInfo *partinfo;
1441
1442         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1443         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1444
1445         icon_selected(mimeview, num, partinfo);
1446         gtk_widget_grab_focus(button);
1447         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1448                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1449                 if (event->button == 2 || event->button == 3)
1450                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1451                                                      TRUE);
1452         }
1453
1454         part_button_pressed(mimeview, event, partinfo);
1455
1456         return FALSE;
1457 }
1458
1459 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1460 {
1461         GtkCTreeNode *node;
1462         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1463         if (node)
1464                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1465 }
1466
1467 #undef  KEY_PRESS_EVENT_STOP
1468 #define KEY_PRESS_EVENT_STOP() \
1469         g_signal_stop_emission_by_name(G_OBJECT(button), \
1470                                        "key_press_event");
1471
1472 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1473                              MimeView *mimeview)
1474 {
1475         gint          num;
1476         MimeInfo     *partinfo;
1477         SummaryView  *summaryview;
1478         TextView     *textview;
1479
1480         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1481         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1482
1483         if (!event) return FALSE;
1484
1485         textview = mimeview->textview;
1486
1487         switch (event->keyval) {
1488         case GDK_space:
1489                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1490                         /* stop the button being untoggled */
1491                         KEY_PRESS_EVENT_STOP();
1492                         if (textview_scroll_page(textview, FALSE))
1493                                 return TRUE;
1494
1495                         if (icon_list_select_by_number(mimeview, num + 1))
1496                                 return TRUE;
1497                 } else {
1498                         icon_selected(mimeview, num, partinfo);
1499                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1500                         return TRUE;
1501                 }
1502
1503                 break;
1504         case GDK_BackSpace:
1505                 textview_scroll_page(textview, TRUE);
1506                 return TRUE;
1507         case GDK_Return:
1508                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1509                         KEY_PRESS_EVENT_STOP();
1510                         textview_scroll_one_line(textview,
1511                                                  (event->state & GDK_MOD1_MASK) != 0);
1512                         return TRUE;
1513                 } else {
1514                         icon_selected(mimeview, num, partinfo);
1515                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1516                         return TRUE;
1517                 }
1518
1519         case GDK_n:
1520         case GDK_N:
1521                 BREAK_ON_MODIFIER_KEY();
1522                 if (icon_list_select_by_number(mimeview, num + 1)) {
1523                         KEY_PRESS_EVENT_STOP();
1524                         return TRUE;
1525                 }
1526                 break;
1527
1528         case GDK_p:
1529         case GDK_P:
1530                 BREAK_ON_MODIFIER_KEY();
1531                 if (icon_list_select_by_number(mimeview, num - 1)) {
1532                         KEY_PRESS_EVENT_STOP();
1533                         return TRUE;
1534                 }
1535                 break;
1536
1537         case GDK_y:
1538                 BREAK_ON_MODIFIER_KEY();
1539                 KEY_PRESS_EVENT_STOP();
1540                 mimeview_save_as(mimeview);
1541                 return TRUE;
1542         case GDK_t:
1543                 BREAK_ON_MODIFIER_KEY();
1544                 KEY_PRESS_EVENT_STOP();
1545                 mimeview_display_as_text(mimeview);
1546                 return TRUE;
1547         case GDK_l:
1548                 BREAK_ON_MODIFIER_KEY();
1549                 KEY_PRESS_EVENT_STOP();
1550                 mimeview_launch(mimeview);
1551                 return TRUE;
1552         case GDK_o:
1553                 BREAK_ON_MODIFIER_KEY();
1554                 KEY_PRESS_EVENT_STOP();
1555                 mimeview_open_with(mimeview);
1556                 return TRUE;
1557         case GDK_c:
1558                 BREAK_ON_MODIFIER_KEY();
1559                 KEY_PRESS_EVENT_STOP();
1560                 mimeview_check_signature(mimeview);
1561                 return TRUE;
1562         default:
1563                 break;
1564         }
1565
1566         if (!mimeview->messageview->mainwin) return FALSE;
1567         summaryview = mimeview->messageview->mainwin->summaryview;
1568         summary_pass_key_press_event(summaryview, event);
1569         return TRUE;
1570 }
1571
1572 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1573 {
1574         GList *child;
1575
1576         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1577         for (; child != NULL; child = g_list_next(child)) {
1578                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1579                     GTK_TOGGLE_BUTTON(child->data) != button &&
1580                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1581                         gtk_toggle_button_set_active
1582                                 (GTK_TOGGLE_BUTTON(child->data),
1583                                  FALSE);
1584         }
1585 }
1586
1587 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1588 {
1589         GtkWidget *pixmap = NULL;
1590         GtkWidget *vbox;
1591         GtkWidget *button;
1592         gchar *tip;
1593         gchar *tiptmp;
1594         const gchar *desc = NULL;
1595         gchar *sigshort = NULL;
1596         gchar *content_type;
1597         StockPixmap stockp;
1598         MimeInfo *partinfo;
1599         MimeInfo *siginfo = NULL;
1600         MimeInfo *encrypted = NULL;
1601
1602         vbox = mimeview->icon_vbox;
1603         mimeview->icon_count++;
1604         button = gtk_toggle_button_new();
1605         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1606         g_object_set_data(G_OBJECT(button), "icon_number",
1607                           GINT_TO_POINTER(mimeview->icon_count));
1608         g_object_set_data(G_OBJECT(button), "partinfo",
1609                           mimeinfo);
1610
1611         switch (mimeinfo->type) {
1612
1613         case MIMETYPE_TEXT:
1614                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1615                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1616                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
1617                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1618                 else
1619                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1620                 break;
1621         case MIMETYPE_MESSAGE:
1622                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1623                 break;
1624         case MIMETYPE_APPLICATION:
1625                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1626                 break;
1627         case MIMETYPE_IMAGE:
1628                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1629                 break;
1630         case MIMETYPE_AUDIO:
1631                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1632                 break;
1633         default:
1634                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1635                 break;
1636         }
1637
1638         partinfo = mimeinfo;
1639         while (partinfo != NULL) {
1640                 if (privacy_mimeinfo_is_signed(partinfo)) {
1641                         siginfo = partinfo;
1642                         break;
1643                 }
1644                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1645                         encrypted = partinfo;
1646                         break;
1647                 }
1648                 partinfo = procmime_mimeinfo_parent(partinfo);
1649         }
1650
1651         if (siginfo != NULL) {
1652                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1653                 case SIGNATURE_UNCHECKED:
1654                 case SIGNATURE_CHECK_FAILED:
1655                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1656                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1657                         break;
1658                 case SIGNATURE_OK:
1659                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1660                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1661                         break;
1662                 case SIGNATURE_WARN:
1663                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1664                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1665                         break;
1666                 case SIGNATURE_INVALID:
1667                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1668                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1669                         break;
1670                 }
1671                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1672         } else if (encrypted != NULL) {
1673                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1674                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1675         } else {
1676                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
1677                                                           OVERLAY_NONE, 6, 3);
1678         }
1679         gtk_container_add(GTK_CONTAINER(button), pixmap);
1680
1681         if (!desc) {
1682                 if (prefs_common.attach_desc)
1683                         desc = get_part_description(mimeinfo);
1684                 else
1685                         desc = get_part_name(mimeinfo);
1686         }
1687
1688         content_type = procmime_get_content_type_str(mimeinfo->type,
1689                                                      mimeinfo->subtype);
1690
1691         tip = g_strjoin("\n", content_type,
1692                         to_human_readable(mimeinfo->length), NULL);
1693         g_free(content_type);
1694         if (desc && *desc) {
1695                 gchar *tmp = NULL;
1696                 if (!g_utf8_validate(desc, -1, NULL)) {
1697                         tmp = conv_filename_to_utf8(desc);
1698                 } else {
1699                         tmp = g_strdup(desc);
1700                 }
1701                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
1702                 g_free(tip);
1703                 tip = tiptmp;
1704                 g_free(tmp);
1705         }
1706         if (sigshort && *sigshort) {
1707                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
1708                 g_free(tip);
1709                 tip = tiptmp;
1710         }
1711         g_free(sigshort);
1712
1713         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1714         g_free(tip);
1715         gtk_widget_show_all(button);
1716         g_signal_connect(G_OBJECT(button), "button_release_event",
1717                          G_CALLBACK(icon_clicked_cb), mimeview);
1718         g_signal_connect(G_OBJECT(button), "key_press_event",
1719                          G_CALLBACK(icon_key_pressed), mimeview);
1720         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1721
1722 }
1723
1724 static void icon_list_clear (MimeView *mimeview)
1725 {
1726         GList     *child;
1727         GtkAdjustment *adj;
1728
1729         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1730         for (; child != NULL; child = g_list_next(child)) {
1731                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1732                                        GTK_WIDGET(child->data));
1733         }
1734         mimeview->icon_count = 0;
1735         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1736         gtk_adjustment_set_value(adj, adj->lower);
1737 }
1738
1739 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1740                                           MimeInfo      *mimeinfo)
1741 {
1742         GList *child;
1743
1744         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1745         for (; child != NULL; child = g_list_next(child)) {
1746                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1747                     g_object_get_data(G_OBJECT(child->data),
1748                                       "partinfo") == (gpointer)mimeinfo) {
1749                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1750                         gtk_toggle_button_set_active
1751                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1752                 }
1753         }
1754 }
1755
1756 /*!
1757  *\brief        Used to 'click' the next or previous icon.
1758  *
1759  *\return       true if the icon 'number' exists and was selected.
1760  */
1761 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1762                                            gint          number)
1763 {
1764         GList *child;
1765
1766         if (number == 0) return FALSE;
1767         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1768         for (; child != NULL; child = g_list_next(child)) {
1769                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1770                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
1771                                         "icon_number")) == number) {
1772                         icon_selected(mimeview, number,
1773                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
1774                                                                    "partinfo"));
1775                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1776                         gtk_toggle_button_set_active
1777                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1778                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1779
1780                         return TRUE;
1781                 }
1782         }
1783         return FALSE;
1784 }
1785
1786 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1787                                          GtkAllocation *size, MimeView *mimeview)
1788 {
1789         GtkAllocation *mainbox_size;
1790         GtkAllocation *vbox_size;
1791         GtkAllocation *layout_size;
1792         GtkAdjustment *adj;
1793
1794         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1795
1796         mainbox_size = &mimeview->icon_mainbox->allocation;
1797         vbox_size = &mimeview->icon_vbox->allocation;
1798         layout_size = &mimeview->icon_scroll->allocation;
1799
1800         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1801                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1802                             MAX(vbox_size->height, layout_size->height));
1803         adj->step_increment = 5;
1804 }
1805
1806 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1807 {
1808         GtkRequisition size;
1809
1810         g_return_if_fail(mimeinfo != NULL);
1811
1812         while (mimeinfo != NULL) {
1813                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1814                         icon_list_append_icon(mimeview, mimeinfo);
1815                 if (mimeinfo->node->children != NULL)
1816                         icon_list_create(mimeview,
1817                                 (MimeInfo *) mimeinfo->node->children->data);
1818                 mimeinfo = mimeinfo->node->next != NULL
1819                          ? (MimeInfo *) mimeinfo->node->next->data
1820                          : NULL;
1821         }
1822         gtk_widget_size_request(mimeview->icon_vbox, &size);
1823         if (size.width > mimeview->icon_mainbox->requisition.width) {
1824                 gtk_widget_set_size_request(mimeview->icon_mainbox,
1825                                             size.width, -1);
1826         }
1827
1828 }
1829
1830 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1831 {
1832         gtk_widget_ref(button);
1833
1834         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1835                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1836                                         GTK_SHADOW_NONE);
1837                 gtk_widget_hide(mimeview->icon_mainbox);
1838                 gtk_widget_show(mimeview->ctree_mainbox);
1839                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1840
1841                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1842                                         button);
1843                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1844                                    button, FALSE, FALSE, 0);
1845                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1846         } else {
1847                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1848                               GTK_SHADOW_NONE);
1849                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1850                 gtk_widget_hide(mimeview->ctree_mainbox);
1851                 gtk_widget_show(mimeview->icon_mainbox);
1852                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1853
1854                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1855                                         button);
1856                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1857                                    button, FALSE, FALSE, 0);
1858                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1859                 if (mimeview->opened)
1860                         icon_list_toggle_by_mime_info
1861                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1862                                                                        mimeview->opened));
1863
1864                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1865         }
1866         gtk_widget_grab_focus(button);
1867         gtk_widget_unref(button);
1868
1869 }
1870
1871 void mimeview_update (MimeView *mimeview) {
1872         if (mimeview && mimeview->mimeinfo) {
1873                 icon_list_clear(mimeview);
1874                 icon_list_create(mimeview, mimeview->mimeinfo);
1875         }
1876 }