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