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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 <gdk/gdkkeysyms.h>
  28 #include <gtk/gtknotebook.h>
  29 #include <gtk/gtkscrolledwindow.h>
  30 #include <gtk/gtkctree.h>
  31 #include <gtk/gtkvbox.h>
  32 #include <gtk/gtkhbox.h>
  33 #include <gtk/gtkvpaned.h>
  34 #include <gtk/gtktext.h>
  35 #include <gtk/gtksignal.h>
  36 #include <gtk/gtkmenu.h>
  37 #include <gtk/gtkdnd.h>
  38 #include <gtk/gtkselection.h>
  39 #include <gtk/gtktooltips.h>
  40 #include <gtk/gtkcontainer.h>
  41 #include <gtk/gtkbutton.h>
  42 #include <stdio.h>
  43
  44 #ifndef HAVE_APACHE_FNMATCH
  45 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  46  * fnmatch.h */
  47 #include <fnmatch.h>
  48 #endif
  49
  50 #include "intl.h"
  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 "rfc2015.h"
  64 #include "stock_pixmap.h"
  65 #include "gtk/gtkvscrollbutton.h"
  66
  67
  68 typedef enum
  69 {
  70         COL_MIMETYPE = 0,
  71         COL_SIZE     = 1,
  72         COL_NAME     = 2
  73 } MimeViewColumnPos;
  74
  75 #define N_MIMEVIEW_COLS 3
  76
  77 static void mimeview_set_multipart_tree         (MimeView       *mimeview,
  78                                                  MimeInfo       *mimeinfo,
  79                                                  GtkCTreeNode   *parent);
  80 static GtkCTreeNode *mimeview_append_part       (MimeView       *mimeview,
  81                                                  MimeInfo       *partinfo,
  82                                                  GtkCTreeNode   *parent);
  83 static void mimeview_show_message_part          (MimeView       *mimeview,
  84                                                  MimeInfo       *partinfo);
  85 static void mimeview_change_view_type           (MimeView       *mimeview,
  86                                                  MimeViewType    type);
  87
  88 static void mimeview_selected           (GtkCTree       *ctree,
  89                                          GtkCTreeNode   *node,
  90                                          gint            column,
  91                                          MimeView       *mimeview);
  92 static void mimeview_start_drag         (GtkWidget      *widget,
  93                                          gint            button,
  94                                          GdkEvent       *event,
  95                                          MimeView       *mimeview);
  96 static gint mimeview_button_pressed     (GtkWidget      *widget,
  97                                          GdkEventButton *event,
  98                                          MimeView       *mimeview);
  99 static gint mimeview_key_pressed        (GtkWidget      *widget,
 100                                          GdkEventKey    *event,
 101                                          MimeView       *mimeview);
 102
 103 static void mimeview_drag_data_get      (GtkWidget        *widget,
 104                                          GdkDragContext   *drag_context,
 105                                          GtkSelectionData *selection_data,
 106                                          guint             info,
 107                                          guint             time,
 108                                          MimeView         *mimeview);
 109
 110 static void mimeview_display_as_text    (MimeView       *mimeview);
 111 static void mimeview_save_as            (MimeView       *mimeview);
 112 static void mimeview_save_all           (MimeView       *mimeview);
 113 static void mimeview_launch             (MimeView       *mimeview);
 114 static void mimeview_open_with          (MimeView       *mimeview);
 115 static void mimeview_view_file          (const gchar    *filename,
 116                                          MimeInfo       *partinfo,
 117                                          const gchar    *cmdline);
 118 static gboolean icon_clicked_cb         (GtkWidget      *button,
 119                                          GdkEventButton *event,
 120                                          MimeView       *mimeview);
 121 static void icon_selected               (MimeView       *mimeview,
 122                                          gint            num,
 123                                          MimeInfo       *partinfo);
 124 static gint icon_key_pressed            (GtkWidget      *button,
 125                                          GdkEventKey    *event,
 126                                          MimeView       *mimeview);
 127 static void toggle_icon                 (GtkToggleButton *button,
 128                                          MimeView       *mimeview);
 129 static void icon_list_append_icon       (MimeView       *mimeview,
 130                                          MimeInfo       *mimeinfo);
 131 static void icon_list_create            (MimeView       *mimeview,
 132                                          MimeInfo       *mimeinfo);
 133 static void icon_list_clear             (MimeView       *mimeview);
 134 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 135                                            MimeInfo     *mimeinfo);
 136 static gboolean icon_list_select_by_number(MimeView     *mimeview,
 137                                            gint          number);
 138 static void mime_toggle_button_cb       (GtkWidget      *button,
 139                                          MimeView       *mimeview);
 140 static void part_button_pressed         (MimeView       *mimeview,
 141                                          GdkEventButton *event,
 142                                          MimeInfo       *partinfo);
 143 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 144                                          GtkAllocation  *layout_size,
 145                                          MimeView       *mimeview);
 146
 147 static GtkItemFactoryEntry mimeview_popup_entries[] =
 148 {
 149         {N_("/_Open"),            NULL, mimeview_launch,          0, NULL},
 150         {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
 151         {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
 152         {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
 153         {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 154 };
 155
 156 static GtkTargetEntry mimeview_mime_types[] =
 157 {
 158         {"text/uri-list", 0, 0}
 159 };
 160
 161 GSList *mimeviewer_factories;
 162 GSList *mimeviews;
 163
 164 MimeView *mimeview_create(MainWindow *mainwin)
 165 {
 166         MimeView *mimeview;
 167
 168         GtkWidget *paned;
 169         GtkWidget *scrolledwin;
 170         GtkWidget *ctree;
 171         GtkWidget *mime_notebook;
 172         GtkWidget *popupmenu;
 173         GtkWidget *ctree_mainbox;
 174         GtkWidget *vbox;
 175         GtkWidget *mime_toggle;
 176         GtkWidget *icon_mainbox;
 177         GtkWidget *icon_scroll;
 178         GtkWidget *icon_vbox;
 179         GtkWidget *arrow;
 180         GtkWidget *scrollbutton;
 181         GtkWidget *hbox;
 182         GtkTooltips *tooltips;
 183         GtkItemFactory *popupfactory;
 184         NoticeView *siginfoview;
 185         gchar *titles[N_MIMEVIEW_COLS];
 186         gint n_entries;
 187         gint i;
 188
 189         debug_print("Creating MIME view...\n");
 190         mimeview = g_new0(MimeView, 1);
 191
 192         titles[COL_MIMETYPE] = _("MIME Type");
 193         titles[COL_SIZE]     = _("Size");
 194         titles[COL_NAME]     = _("Name");
 195
 196         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 197         gtk_widget_show(scrolledwin);
 198         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 199                                        GTK_POLICY_AUTOMATIC,
 200                                        GTK_POLICY_ALWAYS);
 201
 202         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 203         gtk_widget_show(ctree);
 204         gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
 205         gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
 206         gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
 207                                            GTK_JUSTIFY_RIGHT);
 208         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
 209         gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
 210         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 211                 GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
 212                                        GTK_CAN_FOCUS);
 213         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 214
 215         gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
 216                            GTK_SIGNAL_FUNC(mimeview_selected), mimeview);
 217         gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
 218                            GTK_SIGNAL_FUNC(mimeview_button_pressed), mimeview);
 219         gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
 220                            GTK_SIGNAL_FUNC(mimeview_key_pressed), mimeview);
 221         gtk_signal_connect(GTK_OBJECT (ctree),"start_drag",
 222                            GTK_SIGNAL_FUNC (mimeview_start_drag), mimeview);
 223         gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
 224                            GTK_SIGNAL_FUNC(mimeview_drag_data_get), mimeview);
 225
 226         mime_notebook = gtk_notebook_new();
 227         gtk_widget_show(mime_notebook);
 228         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 229         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 230         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 231
 232         icon_vbox = gtk_vbox_new(FALSE, 2);
 233         gtk_widget_show(icon_vbox);
 234         icon_scroll = gtk_layout_new(NULL, NULL);
 235         gtk_widget_show(icon_scroll);
 236         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 237         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 238         gtk_widget_show(scrollbutton);
 239
 240         mime_toggle = gtk_toggle_button_new();
 241         gtk_widget_show(mime_toggle);
 242         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 243         gtk_widget_show(arrow);
 244         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 245         gtk_signal_connect(GTK_OBJECT(mime_toggle), "toggled",
 246                            GTK_SIGNAL_FUNC(mime_toggle_button_cb), mimeview);
 247
 248         icon_mainbox = gtk_vbox_new(FALSE, 0);
 249         gtk_widget_show(icon_mainbox);
 250         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 251         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 252         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 253         gtk_signal_connect(GTK_OBJECT(icon_mainbox), "size_allocate",
 254                         GTK_SIGNAL_FUNC(icon_scroll_size_allocate_cb), mimeview);
 255
 256         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 257         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 258
 259         n_entries = sizeof(mimeview_popup_entries) /
 260                 sizeof(mimeview_popup_entries[0]);
 261         popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
 262                                       "<MimeView>", &popupfactory, mimeview);
 263         tooltips = gtk_tooltips_new();
 264         gtk_tooltips_set_delay(tooltips, 0);
 265
 266         vbox = gtk_vbox_new(FALSE, 0);
 267         gtk_widget_show(vbox);
 268         siginfoview = noticeview_create(mainwin);
 269         noticeview_hide(siginfoview);
 270         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 271         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 272
 273         paned = gtk_vpaned_new();
 274         gtk_widget_show(paned);
 275         gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
 276         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 277         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 278
 279         hbox = gtk_hbox_new(FALSE, 0);
 280         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 281         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 282
 283         gtk_widget_show(hbox);
 284         gtk_widget_hide(ctree_mainbox);
 285
 286         mimeview->hbox          = hbox;
 287         mimeview->paned         = paned;
 288         mimeview->scrolledwin   = scrolledwin;
 289         mimeview->ctree         = ctree;
 290         mimeview->mime_notebook = mime_notebook;
 291         mimeview->popupmenu     = popupmenu;
 292         mimeview->popupfactory  = popupfactory;
 293         mimeview->type          = -1;
 294         mimeview->ctree_mainbox = ctree_mainbox;
 295         mimeview->icon_scroll   = icon_scroll;
 296         mimeview->icon_vbox     = icon_vbox;
 297         mimeview->icon_mainbox  = icon_mainbox;
 298         mimeview->icon_count    = 0;
 299         mimeview->mainwin       = mainwin;
 300         mimeview->tooltips      = tooltips;
 301         mimeview->oldsize       = 60;
 302         mimeview->mime_toggle   = mime_toggle;
 303         mimeview->siginfoview   = siginfoview;
 304
 305         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 306
 307         mimeviews = g_slist_prepend(mimeviews, mimeview);
 308
 309         return mimeview;
 310 }
 311
 312 void mimeview_init(MimeView *mimeview)
 313 {
 314         textview_init(mimeview->textview);
 315
 316         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 317                 GTK_WIDGET_PTR(mimeview->textview));
 318 }
 319
 320 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 321                            const gchar *file)
 322 {
 323         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 324         GtkCTreeNode *node;
 325
 326         mimeview_clear(mimeview);
 327
 328         g_return_if_fail(file != NULL);
 329         g_return_if_fail(mimeinfo != NULL);
 330
 331         mimeview->mimeinfo = mimeinfo;
 332
 333         mimeview->file = g_strdup(file);
 334
 335         gtk_signal_handler_block_by_func(GTK_OBJECT(ctree), mimeview_selected,
 336                                          mimeview);
 337
 338         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 339         icon_list_create(mimeview, mimeinfo);
 340
 341         gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
 342                                            mimeview_selected, mimeview);
 343
 344         node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
 345         if (node) {
 346                 gtk_ctree_select(ctree, node);
 347                 icon_list_toggle_by_mime_info
 348                         (mimeview, gtk_ctree_node_get_row_data(ctree, node));
 349                 gtkut_ctree_set_focus_row(ctree, node);
 350         }
 351 }
 352
 353 void mimeview_destroy(MimeView *mimeview)
 354 {
 355         GSList *cur;
 356
 357         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 358                 MimeViewer *viewer = (MimeViewer *) cur->data;
 359                 gtk_container_remove(GTK_CONTAINER(mimeview->mime_notebook),
 360                         GTK_WIDGET(viewer->get_widget(viewer)));
 361                 viewer->destroy_viewer(viewer);
 362         }
 363         g_slist_free(mimeview->viewers);
 364         gtk_target_list_unref(mimeview->target_list);
 365
 366         procmime_mimeinfo_free_all(mimeview->mimeinfo);
 367         g_free(mimeview->file);
 368         g_free(mimeview);
 369
 370         mimeviews = g_slist_remove(mimeviews, mimeview);
 371
 372 }
 373
 374 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 375 {
 376         return gtk_ctree_node_get_row_data
 377                 (GTK_CTREE(mimeview->ctree), mimeview->opened);
 378 }
 379
 380 static void mimeview_set_multipart_tree(MimeView *mimeview,
 381                                         MimeInfo *mimeinfo,
 382                                         GtkCTreeNode *parent)
 383 {
 384         GtkCTreeNode *node;
 385
 386         g_return_if_fail(mimeinfo != NULL);
 387
 388         while (mimeinfo != NULL) {
 389                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 390
 391                 if (mimeinfo->node->children)
 392                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 393                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 394         }
 395 }
 396
 397 static const gchar *get_part_name(MimeInfo *partinfo)
 398 {
 399         const gchar *name;
 400
 401         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 402         if (name == NULL)
 403                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 404         if (name == NULL)
 405                 name = "";
 406
 407         return name;
 408 }
 409
 410 static const gchar *get_part_description(MimeInfo *partinfo)
 411 {
 412         if (partinfo->description)
 413                 return partinfo->description;
 414         else
 415                 return get_part_name(partinfo);
 416 }
 417
 418 static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 419                                           MimeInfo *partinfo,
 420                                           GtkCTreeNode *parent)
 421 {
 422         GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
 423         GtkCTreeNode *node;
 424         static gchar content_type[64];
 425         gchar *str[N_MIMEVIEW_COLS];
 426
 427         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 428                 g_snprintf(content_type, 64, "%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
 429         } else {
 430                 g_snprintf(content_type, 64, "UNKNOWN");
 431         }
 432
 433         str[COL_MIMETYPE] = content_type;
 434         str[COL_SIZE] = to_human_readable(partinfo->length);
 435         if (prefs_common.attach_desc)
 436                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 437         else
 438                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 439
 440         node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
 441                                      NULL, NULL, NULL, NULL,
 442                                      FALSE, TRUE);
 443         gtk_ctree_node_set_row_data(ctree, node, partinfo);
 444
 445         return node;
 446 }
 447
 448 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 449 {
 450         FILE *fp;
 451         const gchar *fname;
 452
 453         if (!partinfo) return;
 454
 455         fname = mimeview->file;
 456         if (!fname) return;
 457
 458         if ((fp = fopen(fname, "rb")) == NULL) {
 459                 FILE_OP_ERROR(fname, "fopen");
 460                 return;
 461         }
 462
 463         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 464                 FILE_OP_ERROR(mimeview->file, "fseek");
 465                 fclose(fp);
 466                 return;
 467         }
 468
 469         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 470         textview_show_part(mimeview->textview, partinfo, fp);
 471
 472         fclose(fp);
 473 }
 474
 475 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 476 {
 477         GSList *cur;
 478         MimeViewerFactory *factory = NULL;
 479         MimeViewer *viewer = NULL;
 480
 481 /*
 482  * FNM_CASEFOLD is a GNU extension
 483  * if its not defined copy the string to the stack and
 484  * convert the copy to lower case
 485  */
 486 #ifndef FNM_CASEFOLD
 487 #define FNM_CASEFOLD 0
 488         Xstrdup_a(content_type, content_type, return NULL);
 489         g_strdown((gchar *)content_type);
 490 #endif
 491
 492         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 493                 MimeViewerFactory *curfactory = cur->data;
 494                 gint i = 0;
 495
 496                 while (curfactory->content_types[i] != NULL) {
 497                         if(!fnmatch(curfactory->content_types[i], content_type, FNM_CASEFOLD)) {
 498                                 debug_print("%s\n", curfactory->content_types[i]);
 499                                 factory = curfactory;
 500                                 break;
 501                         }
 502                         i++;
 503                 }
 504                 if (factory != NULL)
 505                         break;
 506         }
 507         if (factory == NULL)
 508                 return NULL;
 509
 510         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 511                 MimeViewer *curviewer = cur->data;
 512
 513                 if (curviewer->factory == factory)
 514                         return curviewer;
 515         }
 516         viewer = factory->create_viewer();
 517         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 518                 GTK_WIDGET(viewer->get_widget(viewer)));
 519
 520         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 521
 522         return viewer;
 523 }
 524
 525 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 526 {
 527         gchar *content_type = NULL;
 528         MimeViewer *viewer = NULL;
 529
 530         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 531             (!g_strcasecmp(partinfo->subtype, "octet-stream"))) {
 532                 const gchar *filename;
 533
 534                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 535                 if (filename == NULL)
 536                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 537                 if (filename != NULL)
 538                         content_type = procmime_get_mime_type(filename);
 539         } else {
 540                 content_type = g_strdup_printf("%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
 541         }
 542
 543         if (content_type != NULL) {
 544                 viewer = get_viewer_for_content_type(mimeview, content_type);
 545                 g_free(content_type);
 546         }
 547
 548         return viewer;
 549 }
 550
 551 static gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 552 {
 553         MimeViewer *viewer;
 554
 555         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 556         if (viewer == NULL) {
 557                 if (mimeview->mimeviewer != NULL)
 558                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 559                 mimeview->mimeviewer = NULL;
 560                 return FALSE;
 561         }
 562
 563         if (mimeview->mimeviewer != viewer) {
 564                 if (mimeview->mimeviewer != NULL)
 565                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 566                 mimeview->mimeviewer = viewer;
 567                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 568         }
 569         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 570
 571         return TRUE;
 572 }
 573
 574 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 575 {
 576         TextView  *textview  = mimeview->textview;
 577
 578         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 579             (mimeview->type == type)) return;
 580
 581         switch (type) {
 582         case MIMEVIEW_TEXT:
 583                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 584                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 585                         GTK_WIDGET_PTR(textview)));
 586                 break;
 587         case MIMEVIEW_VIEWER:
 588                 gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 589                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 590                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 591                 break;
 592         default:
 593                 return;
 594         }
 595
 596         mimeview->type = type;
 597 }
 598
 599 void mimeview_clear(MimeView *mimeview)
 600 {
 601         GtkCList *clist = GTK_CLIST(mimeview->ctree);
 602
 603         noticeview_hide(mimeview->siginfoview);
 604
 605         gtk_clist_clear(clist);
 606         textview_clear(mimeview->textview);
 607         if (mimeview->mimeviewer != NULL)
 608                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 609
 610         if (mimeview->mimeinfo != NULL)
 611                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 612         mimeview->mimeinfo = NULL;
 613
 614         mimeview->opened = NULL;
 615
 616         g_free(mimeview->file);
 617         mimeview->file = NULL;
 618
 619         icon_list_clear(mimeview);
 620 }
 621
 622 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 623 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 624
 625 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo)
 626 {
 627         gchar *text = NULL, *button_text = NULL;
 628         GtkSignalFunc func = NULL;
 629         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 630
 631         g_return_if_fail(mimeview != NULL);
 632         g_return_if_fail(mimeinfo != NULL);
 633
 634         switch (privacy_mimeinfo_get_sig_status(mimeinfo)) {
 635         case SIGNATURE_UNCHECKED:
 636                 button_text = _("Check");
 637                 func = check_signature_cb;
 638                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 639                 break;
 640         case SIGNATURE_OK:
 641                 button_text = _("Full info");
 642                 func = display_full_info_cb;
 643                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 644                 break;
 645         case SIGNATURE_WARN:
 646                 button_text = _("Full info");
 647                 func = display_full_info_cb;
 648                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 649                 break;
 650         case SIGNATURE_INVALID:
 651                 button_text = _("Full info");
 652                 func = display_full_info_cb;
 653                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 654                 break;
 655         case SIGNATURE_CHECK_FAILED:
 656                 button_text = _("Check again");
 657                 func = check_signature_cb;
 658                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 659         default:
 660                 break;
 661         }
 662         text = privacy_mimeinfo_sig_info_short(mimeinfo);
 663         noticeview_set_text(mimeview->siginfoview, text);
 664         g_free(text);
 665         noticeview_set_button_text(mimeview->siginfoview, button_text);
 666         noticeview_set_button_press_callback(
 667                 mimeview->siginfoview,
 668                 func,
 669                 (gpointer) mimeview);
 670         noticeview_set_icon(mimeview->siginfoview, icon);
 671 }
 672
 673 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 674 {
 675         MimeView *mimeview = (MimeView *) user_data;
 676         MimeInfo *mimeinfo = mimeview->siginfo;
 677
 678         privacy_mimeinfo_check_signature(mimeinfo);
 679         update_signature_noticeview(mimeview, mimeview->siginfo);
 680         icon_list_clear(mimeview);
 681         icon_list_create(mimeview, mimeview->mimeinfo);
 682 }
 683
 684 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 685 {
 686         MimeView *mimeview = (MimeView *) user_data;
 687         gchar *siginfo;
 688
 689         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 690         textview_set_text(mimeview->textview, siginfo);
 691         g_free(siginfo);
 692         noticeview_set_button_text(mimeview->siginfoview, NULL);
 693 }
 694
 695 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
 696 {
 697         MimeInfo *siginfo;
 698
 699         g_return_if_fail(mimeview != NULL);
 700         g_return_if_fail(selected != NULL);
 701
 702         siginfo = selected;
 703         while (siginfo != NULL) {
 704                 if (privacy_mimeinfo_is_signed(siginfo))
 705                         break;
 706                 siginfo = procmime_mimeinfo_parent(siginfo);
 707         }
 708         mimeview->siginfo = siginfo;
 709
 710         if (siginfo == NULL) {
 711                 noticeview_hide(mimeview->siginfoview);
 712                 return;
 713         }
 714
 715         update_signature_noticeview(mimeview, siginfo);
 716         noticeview_show(mimeview->siginfoview);
 717 }
 718
 719 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 720                               MimeView *mimeview)
 721 {
 722         MimeInfo *partinfo;
 723
 724         if (mimeview->opened == node) return;
 725         mimeview->opened = node;
 726         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 727
 728         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 729         if (!partinfo) return;
 730
 731         /* ungrab the mouse event */
 732         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 733                 gtk_grab_remove(GTK_WIDGET(ctree));
 734                 if (gdk_pointer_is_grabbed())
 735                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 736         }
 737
 738         mimeview->textview->default_text = FALSE;
 739
 740         update_signature_info(mimeview, partinfo);
 741
 742         if (!mimeview_show_part(mimeview, partinfo)) {
 743                 switch (partinfo->type) {
 744                 case MIMETYPE_TEXT:
 745                 case MIMETYPE_MESSAGE:
 746                 case MIMETYPE_MULTIPART:
 747                         mimeview_show_message_part(mimeview, partinfo);
 748
 749                         break;
 750                 default:
 751                         mimeview->textview->default_text = TRUE;
 752                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 753                         textview_show_mime_part(mimeview->textview, partinfo);
 754                         break;
 755                 }
 756         }
 757 }
 758
 759 static void mimeview_start_drag(GtkWidget *widget, gint button,
 760                                 GdkEvent *event, MimeView *mimeview)
 761 {
 762         GdkDragContext *context;
 763         MimeInfo *partinfo;
 764
 765         g_return_if_fail(mimeview != NULL);
 766
 767         partinfo = mimeview_get_selected_part(mimeview);
 768         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
 769
 770         context = gtk_drag_begin(widget, mimeview->target_list,
 771                                  GDK_ACTION_COPY, button, event);
 772         gtk_drag_set_icon_default(context);
 773 }
 774
 775 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 776                                     MimeView *mimeview)
 777 {
 778         GtkCList *clist = GTK_CLIST(widget);
 779         gint row, column;
 780
 781         if (!event) return FALSE;
 782
 783         if (event->button == 2 || event->button == 3) {
 784                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 785                                                   &row, &column))
 786                         return FALSE;
 787                 gtk_clist_unselect_all(clist);
 788                 gtk_clist_select_row(clist, row, column);
 789                 gtkut_clist_set_focus_row(clist, row);
 790         }
 791         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 792
 793         return TRUE;
 794 }
 795
 796 static void part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 797                                 MimeInfo *partinfo)
 798 {
 799         if (event->button == 2 ||
 800             (event->button == 1 && event->type == GDK_2BUTTON_PRESS)) {
 801                 /* call external program for image, audio or html */
 802                 mimeview_launch(mimeview);
 803         } else if (event->button == 3) {
 804                 if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
 805                                  partinfo->type == MIMETYPE_MESSAGE ||
 806                                  partinfo->type == MIMETYPE_IMAGE ||
 807                                  partinfo->type == MIMETYPE_MULTIPART))
 808                         menu_set_sensitive(mimeview->popupfactory,
 809                                            "/Display as text", FALSE);
 810                 else
 811                         menu_set_sensitive(mimeview->popupfactory,
 812                                            "/Display as text", TRUE);
 813                 if (partinfo &&
 814                     partinfo->type == MIMETYPE_APPLICATION &&
 815                     !g_strcasecmp(partinfo->subtype, "octet-stream"))
 816                         menu_set_sensitive(mimeview->popupfactory,
 817                                            "/Open", FALSE);
 818                 else
 819                         menu_set_sensitive(mimeview->popupfactory,
 820                                            "/Open", TRUE);
 821
 822                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
 823                                     "pop_partinfo", partinfo);
 824
 825                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 826                                NULL, NULL, NULL, NULL,
 827                                event->button, event->time);
 828         }
 829 }
 830
 831
 832 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 833 {
 834         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 835 }
 836
 837 #define BREAK_ON_MODIFIER_KEY() \
 838         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 839
 840 #define KEY_PRESS_EVENT_STOP() \
 841         if (gtk_signal_n_emissions_by_name \
 842                 (GTK_OBJECT(ctree), "key_press_event") > 0) { \
 843                 gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
 844                                              "key_press_event"); \
 845         }
 846
 847 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 848                                  MimeView *mimeview)
 849 {
 850         SummaryView *summaryview;
 851         GtkCTree *ctree = GTK_CTREE(widget);
 852         GtkCTreeNode *node;
 853
 854         if (!event) return FALSE;
 855         if (!mimeview->opened) return FALSE;
 856
 857         switch (event->keyval) {
 858         case GDK_space:
 859                 if (textview_scroll_page(mimeview->textview, FALSE))
 860                         return TRUE;
 861
 862                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 863                 if (node) {
 864                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 865                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 866                         return TRUE;
 867                 }
 868                 break;
 869         case GDK_BackSpace:
 870                 textview_scroll_page(mimeview->textview, TRUE);
 871                 return TRUE;
 872         case GDK_Return:
 873                 textview_scroll_one_line(mimeview->textview,
 874                                          (event->state & GDK_MOD1_MASK) != 0);
 875                 return TRUE;
 876         case GDK_n:
 877         case GDK_N:
 878                 BREAK_ON_MODIFIER_KEY();
 879                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 880                 KEY_PRESS_EVENT_STOP();
 881
 882                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 883                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 884                 return TRUE;
 885         case GDK_p:
 886         case GDK_P:
 887                 BREAK_ON_MODIFIER_KEY();
 888                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 889                 KEY_PRESS_EVENT_STOP();
 890
 891                 gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
 892                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 893                 return TRUE;
 894         case GDK_y:
 895                 BREAK_ON_MODIFIER_KEY();
 896                 KEY_PRESS_EVENT_STOP();
 897                 mimeview_save_as(mimeview);
 898                 return TRUE;
 899         case GDK_t:
 900                 BREAK_ON_MODIFIER_KEY();
 901                 KEY_PRESS_EVENT_STOP();
 902                 mimeview_display_as_text(mimeview);
 903                 return TRUE;
 904         case GDK_l:
 905                 BREAK_ON_MODIFIER_KEY();
 906                 KEY_PRESS_EVENT_STOP();
 907                 mimeview_launch(mimeview);
 908                 return TRUE;
 909         case GDK_o:
 910                 BREAK_ON_MODIFIER_KEY();
 911                 KEY_PRESS_EVENT_STOP();
 912                 mimeview_open_with(mimeview);
 913                 return TRUE;
 914         default:
 915                 break;
 916         }
 917
 918         if (!mimeview->messageview->mainwin) return FALSE;
 919         summaryview = mimeview->messageview->mainwin->summaryview;
 920         summary_pass_key_press_event(summaryview, event);
 921         return TRUE;
 922 }
 923
 924 static void mimeview_drag_data_get(GtkWidget        *widget,
 925                                    GdkDragContext   *drag_context,
 926                                    GtkSelectionData *selection_data,
 927                                    guint             info,
 928                                    guint             time,
 929                                    MimeView         *mimeview)
 930 {
 931         gchar *filename, *uriname;
 932         MimeInfo *partinfo;
 933
 934         if (!mimeview->opened) return;
 935         if (!mimeview->file) return;
 936
 937         partinfo = mimeview_get_selected_part(mimeview);
 938         if (!partinfo) return;
 939
 940         filename = g_basename(get_part_name(partinfo));
 941         if (*filename == '\0') return;
 942
 943         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
 944                                filename, NULL);
 945
 946         if (procmime_get_part(filename, partinfo) < 0)
 947                 alertpanel_error
 948                         (_("Can't save the part of multipart message."));
 949
 950         uriname = g_strconcat("file:/", filename, NULL);
 951         gtk_selection_data_set(selection_data, selection_data->target, 8,
 952                                uriname, strlen(uriname));
 953
 954         g_free(uriname);
 955         g_free(filename);
 956 }
 957
 958 static void mimeview_save_all(MimeView *mimeview)
 959 {
 960         gchar *dirname;
 961         gchar *defname = NULL;
 962         MimeInfo *attachment;
 963         gchar buf[1024];
 964
 965         if (!mimeview->opened) return;
 966         if (!mimeview->file) return;
 967
 968         attachment = mimeview->mimeinfo;
 969         g_return_if_fail(attachment != NULL);
 970
 971         dirname = filesel_select_file(_("Save as"), defname);
 972         if (!dirname) return;
 973
 974         if (!is_dir_exist (dirname)) {
 975                 alertpanel_error(_("`%s' is not a directory."),
 976                                  dirname);
 977                 g_free (dirname);
 978                 dirname = NULL;
 979                 return;
 980         }
 981
 982         { /* add a / after the dirname, in case the user didn't */
 983                 gchar *dirname_tmp = NULL;
 984                 int dirname_last_char = strlen (dirname) - 1;
 985
 986                 if (dirname[dirname_last_char] != G_DIR_SEPARATOR) {
 987                         dirname_tmp = g_strconcat (dirname, G_DIR_SEPARATOR_S, NULL);
 988                         g_free (dirname);
 989                         dirname = dirname_tmp;
 990                 }
 991         }
 992
 993         /* for each attachment, extract it in the selected dir. */
 994         while (attachment != NULL) {
 995                 if (attachment->type != MIMETYPE_MESSAGE &&
 996                     attachment->type != MIMETYPE_MULTIPART &&
 997                     attachment->disposition != DISPOSITIONTYPE_INLINE) {
 998                         static guint subst_cnt = 1;
 999                         gchar *attachdir;
1000                         gchar *attachname = g_strdup(get_part_name(attachment));
1001                         AlertValue aval = G_ALERTDEFAULT;
1002                         gchar *res;
1003
1004                         if (!attachname || !strlen(attachname))
1005                                 attachname = g_strdup_printf("noname.%d",subst_cnt++);
1006                         subst_chars(attachname, ":?*&|<>\t\r\n", '_');
1007                         g_snprintf(buf, sizeof(buf), "%s%s",
1008                                    dirname,
1009                                    (attachname[0] == G_DIR_SEPARATOR)
1010                                    ? &attachname[1]
1011                                    : attachname);
1012                         subst_chars(buf, "/\\", G_DIR_SEPARATOR);
1013                         attachdir = g_dirname(buf);
1014                         make_dir_hier(attachdir);
1015                         g_free(attachdir);
1016
1017                         if (is_file_exist(buf)) {
1018                                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1019                                                       attachname);
1020                                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1021                                                   _("Cancel"), NULL);
1022                                 g_free(res);
1023                         }
1024                         g_free(attachname);
1025
1026                         if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, attachment) < 0))
1027                                 alertpanel_error(_("Can't save the part of multipart message."));
1028                 }
1029                 attachment = procmime_mimeinfo_next(attachment);
1030         }
1031 }
1032
1033 static void mimeview_display_as_text(MimeView *mimeview)
1034 {
1035         MimeInfo *partinfo;
1036
1037         if (!mimeview->opened) return;
1038
1039         partinfo = mimeview_get_selected_part(mimeview);
1040         if (!partinfo)  {
1041                 partinfo = (MimeInfo *) gtk_object_get_data
1042                         (GTK_OBJECT(mimeview->popupmenu),
1043                          "pop_partinfo");
1044                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1045                                     "pop_partinfo", NULL);
1046
1047         }
1048         g_return_if_fail(partinfo != NULL);
1049         mimeview_show_message_part(mimeview, partinfo);
1050 }
1051
1052 static void mimeview_save_as(MimeView *mimeview)
1053 {
1054         gchar *filename;
1055         gchar *defname = NULL;
1056         MimeInfo *partinfo;
1057         gchar *res;
1058         const gchar *partname = NULL;
1059
1060         if (!mimeview->opened) return;
1061         if (!mimeview->file) return;
1062
1063         partinfo = mimeview_get_selected_part(mimeview);
1064         if (!partinfo) {
1065                 partinfo = (MimeInfo *) gtk_object_get_data
1066                         (GTK_OBJECT(mimeview->popupmenu),
1067                          "pop_partinfo");
1068                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1069                                     "pop_partinfo", NULL);
1070         }
1071         g_return_if_fail(partinfo != NULL);
1072
1073         if ((partname = get_part_name(partinfo)) != NULL) {
1074                 Xstrdup_a(defname, partname, return);
1075                 subst_for_filename(defname);
1076         }
1077
1078         filename = filesel_select_file(_("Save as"), defname);
1079         if (!filename) return;
1080         if (is_file_exist(filename)) {
1081                 AlertValue aval;
1082                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1083                                       filename);
1084                 aval = alertpanel(_("Overwrite"), res, _("OK"),
1085                                   _("Cancel"), NULL);
1086                 g_free(res);
1087                 if (G_ALERTDEFAULT != aval) return;
1088         }
1089
1090         if (procmime_get_part(filename, partinfo) < 0)
1091                 alertpanel_error
1092                         (_("Can't save the part of multipart message."));
1093 }
1094
1095 static void mimeview_launch(MimeView *mimeview)
1096 {
1097         MimeInfo *partinfo;
1098         gchar *filename;
1099
1100         if (!mimeview->opened) return;
1101         if (!mimeview->file) return;
1102
1103         partinfo = mimeview_get_selected_part(mimeview);
1104         if (!partinfo) {
1105                 partinfo = (MimeInfo *) gtk_object_get_data
1106                         (GTK_OBJECT(mimeview->popupmenu),
1107                          "pop_partinfo");
1108                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1109                                     "pop_partinfo", NULL);
1110         }
1111         g_return_if_fail(partinfo != NULL);
1112
1113         filename = procmime_get_tmp_file_name(partinfo);
1114
1115         if (procmime_get_part(filename, partinfo) < 0)
1116                 alertpanel_error
1117                         (_("Can't save the part of multipart message."));
1118         else
1119                 mimeview_view_file(filename, partinfo, NULL);
1120
1121         g_free(filename);
1122 }
1123
1124 static void mimeview_open_with(MimeView *mimeview)
1125 {
1126         MimeInfo *partinfo;
1127         gchar *filename;
1128         gchar *cmd;
1129
1130         if (!mimeview->opened) return;
1131         if (!mimeview->file) return;
1132
1133         partinfo = mimeview_get_selected_part(mimeview);
1134         if (!partinfo) {
1135                 partinfo = (MimeInfo *) gtk_object_get_data
1136                         (GTK_OBJECT(mimeview->popupmenu),
1137                          "pop_partinfo");
1138                 gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
1139                                     "pop_partinfo", NULL);
1140         }
1141         g_return_if_fail(partinfo != NULL);
1142
1143         filename = procmime_get_tmp_file_name(partinfo);
1144
1145         if (procmime_get_part(filename, partinfo) < 0) {
1146                 alertpanel_error
1147                         (_("Can't save the part of multipart message."));
1148                 g_free(filename);
1149                 return;
1150         }
1151
1152         if (!prefs_common.mime_open_cmd_history)
1153                 prefs_common.mime_open_cmd_history =
1154                         add_history(NULL, prefs_common.mime_open_cmd);
1155
1156         cmd = input_dialog_combo
1157                 (_("Open with"),
1158                  _("Enter the command line to open file:\n"
1159                    "(`%s' will be replaced with file name)"),
1160                  prefs_common.mime_open_cmd,
1161                  prefs_common.mime_open_cmd_history,
1162                  TRUE);
1163         if (cmd) {
1164                 mimeview_view_file(filename, partinfo, cmd);
1165                 g_free(prefs_common.mime_open_cmd);
1166                 prefs_common.mime_open_cmd = cmd;
1167                 prefs_common.mime_open_cmd_history =
1168                         add_history(prefs_common.mime_open_cmd_history, cmd);
1169         }
1170
1171         g_free(filename);
1172 }
1173
1174 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1175                                const gchar *cmdline)
1176 {
1177         static gchar *default_image_cmdline = "display '%s'";
1178         static gchar *default_audio_cmdline = "play '%s'";
1179         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1180         static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
1181         gchar buf[1024];
1182         gchar m_buf[1024];
1183         const gchar *cmd;
1184         const gchar *def_cmd;
1185         const gchar *p;
1186
1187         if (cmdline) {
1188                 cmd = cmdline;
1189                 def_cmd = NULL;
1190         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1191                    !g_strcasecmp(partinfo->subtype, "octet-stream")) {
1192                 return;
1193         } else if (MIMETYPE_IMAGE == partinfo->type) {
1194                 cmd = prefs_common.mime_image_viewer;
1195                 def_cmd = default_image_cmdline;
1196         } else if (MIMETYPE_AUDIO == partinfo->type) {
1197                 cmd = prefs_common.mime_audio_player;
1198                 def_cmd = default_audio_cmdline;
1199         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1200                 cmd = prefs_common.uri_cmd;
1201                 def_cmd = default_html_cmdline;
1202         } else {
1203                 gchar *content_type;
1204
1205                 content_type = g_strdup_printf("%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
1206                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1207                            content_type, "%s");
1208                 g_free(content_type);
1209                 cmd = m_buf;
1210                 def_cmd = NULL;
1211         }
1212
1213         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1214             !strchr(p + 2, '%'))
1215                 g_snprintf(buf, sizeof(buf), cmd, filename);
1216         else {
1217                 if (cmd)
1218                         g_warning("MIME viewer command line is invalid: `%s'", cmd);
1219                 if (def_cmd)
1220                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1221                 else
1222                         return;
1223         }
1224
1225         execute_command_line(buf, TRUE);
1226 }
1227
1228 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1229 {
1230         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1231 }
1232
1233 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1234 {
1235         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1236 }
1237
1238 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1239 {
1240         GSList *mimeview_list, *viewer_list;
1241
1242         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1243                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1244
1245                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1246                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1247                         mimeview->mimeviewer = NULL;
1248                 }
1249
1250                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1251                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1252
1253                         mimeviewer->destroy_viewer(mimeviewer);
1254                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1255                 }
1256         }
1257
1258         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1259 }
1260
1261 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1262 {
1263         gint      num;
1264         MimeInfo *partinfo;
1265
1266         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1267         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1268
1269         icon_selected(mimeview, num, partinfo);
1270         gtk_widget_grab_focus(button);
1271         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1272                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1273                 if (event->button == 2 || event->button == 3)
1274                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1275                                                      TRUE);
1276         } else {
1277                 gtk_signal_emit_stop_by_name(GTK_OBJECT(button), "button_press_event");
1278         }
1279
1280         part_button_pressed(mimeview, event, partinfo);
1281
1282         return TRUE;
1283 }
1284
1285 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1286 {
1287         GtkCTreeNode *node;
1288         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1289         if (node)
1290                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1291 }
1292
1293 #undef  KEY_PRESS_EVENT_STOP
1294 #define KEY_PRESS_EVENT_STOP() \
1295         if (gtk_signal_n_emissions_by_name \
1296                 (GTK_OBJECT(button), "key_press_event") > 0) { \
1297                 gtk_signal_emit_stop_by_name(GTK_OBJECT(button), \
1298                                              "key_press_event"); \
1299         }
1300 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1301                              MimeView *mimeview)
1302 {
1303         gint          num;
1304         MimeInfo     *partinfo;
1305         SummaryView  *summaryview;
1306         TextView     *textview;
1307
1308         num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
1309         partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
1310
1311         if (!event) return FALSE;
1312
1313         textview = mimeview->textview;
1314
1315         switch (event->keyval) {
1316         case GDK_space:
1317                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1318                         /* stop the button being untoggled */
1319                         KEY_PRESS_EVENT_STOP();
1320                         if (textview_scroll_page(textview, FALSE))
1321                                 return TRUE;
1322
1323                         if (icon_list_select_by_number(mimeview, num + 1))
1324                                 return TRUE;
1325                 } else {
1326                         icon_selected(mimeview, num, partinfo);
1327                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1328                         return TRUE;
1329                 }
1330
1331                 break;
1332         case GDK_BackSpace:
1333                 textview_scroll_page(textview, TRUE);
1334                 return TRUE;
1335         case GDK_Return:
1336                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1337                         KEY_PRESS_EVENT_STOP();
1338                         textview_scroll_one_line(textview,
1339                                                  (event->state & GDK_MOD1_MASK) != 0);
1340                         return TRUE;
1341                 } else {
1342                         icon_selected(mimeview, num, partinfo);
1343                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1344                         return TRUE;
1345                 }
1346
1347         case GDK_n:
1348         case GDK_N:
1349                 BREAK_ON_MODIFIER_KEY();
1350                 if (icon_list_select_by_number(mimeview, num + 1)) {
1351                         KEY_PRESS_EVENT_STOP();
1352                         return TRUE;
1353                 }
1354                 break;
1355
1356         case GDK_p:
1357         case GDK_P:
1358                 BREAK_ON_MODIFIER_KEY();
1359                 if (icon_list_select_by_number(mimeview, num - 1)) {
1360                         KEY_PRESS_EVENT_STOP();
1361                         return TRUE;
1362                 }
1363                 break;
1364
1365         case GDK_y:
1366                 BREAK_ON_MODIFIER_KEY();
1367                 KEY_PRESS_EVENT_STOP();
1368                 mimeview_save_as(mimeview);
1369                 return TRUE;
1370         case GDK_t:
1371                 BREAK_ON_MODIFIER_KEY();
1372                 KEY_PRESS_EVENT_STOP();
1373                 mimeview_display_as_text(mimeview);
1374                 return TRUE;
1375         case GDK_l:
1376                 BREAK_ON_MODIFIER_KEY();
1377                 KEY_PRESS_EVENT_STOP();
1378                 mimeview_launch(mimeview);
1379                 return TRUE;
1380         case GDK_o:
1381                 BREAK_ON_MODIFIER_KEY();
1382                 KEY_PRESS_EVENT_STOP();
1383                 mimeview_open_with(mimeview);
1384                 return TRUE;
1385         default:
1386                 break;
1387         }
1388
1389         if (!mimeview->messageview->mainwin) return FALSE;
1390         summaryview = mimeview->messageview->mainwin->summaryview;
1391         summary_pass_key_press_event(summaryview, event);
1392         return TRUE;
1393 }
1394
1395 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1396 {
1397         GList *child;
1398
1399         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1400         for (; child != NULL; child = g_list_next(child)) {
1401                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1402                     GTK_TOGGLE_BUTTON(child->data) != button &&
1403                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1404                         gtk_toggle_button_set_active
1405                                 (GTK_TOGGLE_BUTTON(child->data),
1406                                  FALSE);
1407         }
1408 }
1409
1410 static GdkColor nocheck_sig_color = {
1411         (gulong)0,
1412         (gushort)0,
1413         (gushort)0,
1414         (gushort)0xcfff
1415 };
1416
1417 static GdkColor good_sig_color = {
1418         (gulong)0,
1419         (gushort)0,
1420         (gushort)0xbfff,
1421         (gushort)0
1422 };
1423
1424 static GdkColor bad_sig_color = {
1425         (gulong)0,
1426         (gushort)0xffff,
1427         (gushort)0,
1428         (gushort)0
1429 };
1430
1431 #define COLOR_BORDER 3
1432
1433 static gboolean icon_drawing_area_expose_event_cb (GtkWidget *widget, GdkEventExpose *expose,
1434                                                    gpointer data)
1435 {
1436         GdkColor *color = (GdkColor *)data;
1437         GdkDrawable *drawable = widget->window;
1438         GdkGC *gc_pix;
1439         GdkPixmap *stock_pixmap;
1440         GdkBitmap *stock_mask;
1441
1442         stock_pixmap = (GdkPixmap *)gtk_object_get_data(GTK_OBJECT(widget), "pixmap");
1443         stock_mask   = (GdkBitmap *)gtk_object_get_data(GTK_OBJECT(widget), "mask");
1444
1445         g_return_val_if_fail(stock_pixmap != NULL, FALSE);
1446         g_return_val_if_fail(stock_mask != NULL, FALSE);
1447
1448         gc_pix = gdk_gc_new((GdkWindow *)drawable);
1449
1450         gdk_window_clear_area (drawable, expose->area.x, expose->area.y,
1451                                expose->area.width, expose->area.height);
1452
1453         if (color != NULL) {
1454                 gdk_gc_set_foreground(gc_pix, color);
1455                 if (color == &good_sig_color) {
1456                         gdk_draw_rectangle(drawable, gc_pix, TRUE, 0 , 0,
1457                                            widget->allocation.width,
1458                                            widget->allocation.height);
1459                 } else {
1460                         gdk_gc_set_line_attributes(gc_pix, COLOR_BORDER - 1, GDK_LINE_ON_OFF_DASH,
1461                                                    GDK_CAP_BUTT, GDK_JOIN_MITER);
1462                         gdk_draw_rectangle(drawable, gc_pix, FALSE, 1 , 1,
1463                                            widget->allocation.width - 2,
1464                                            widget->allocation.height - 2);
1465                 }
1466         }
1467
1468 #define LEFT COLOR_BORDER + widget->allocation.width - widget->requisition.width
1469 #define TOP  COLOR_BORDER + widget->allocation.height - widget->requisition.height
1470
1471         gdk_gc_set_tile(gc_pix, stock_pixmap);
1472         gdk_gc_set_ts_origin(gc_pix, LEFT, TOP);
1473         gdk_gc_set_clip_mask(gc_pix, stock_mask);
1474         gdk_gc_set_clip_origin(gc_pix, LEFT, TOP);
1475         gdk_gc_set_fill(gc_pix, GDK_TILED);
1476         gdk_draw_rectangle(drawable, gc_pix, TRUE, LEFT, TOP,
1477                            widget->requisition.width - COLOR_BORDER * 2,
1478                            widget->requisition.height - COLOR_BORDER * 2);
1479
1480         gdk_gc_destroy(gc_pix);
1481
1482         return TRUE;
1483
1484 }
1485
1486 static GtkWidget* icon_stock_pixmap_with_privacy (GtkWidget *window, StockPixmap icon,
1487                                                   MimeInfo *mimeinfo)
1488 {
1489         GdkPixmap *stock_pixmap;
1490         GdkBitmap *stock_mask;
1491         GtkWidget *widget;
1492         GtkWidget *stock_wid;
1493         GdkColor *color = NULL;
1494         MimeInfo *siginfo;
1495         gboolean is_signed = FALSE;
1496         gint height;
1497         gint width;
1498
1499         siginfo = mimeinfo;
1500         while (siginfo != NULL) {
1501                 if (privacy_mimeinfo_is_signed(siginfo)) {
1502                         is_signed = TRUE;
1503 #if USE_GPGME
1504                         if (prefs_common.auto_check_signatures &&
1505                             (privacy_mimeinfo_get_sig_status(siginfo) == SIGNATURE_UNCHECKED))
1506                                 privacy_mimeinfo_check_signature(siginfo);
1507 #endif
1508                         break;
1509                 }
1510                 siginfo = procmime_mimeinfo_parent(siginfo);
1511         }
1512
1513         stock_wid = stock_pixmap_widget(window, icon);
1514         gtk_pixmap_get(GTK_PIXMAP(stock_wid), &stock_pixmap, &stock_mask);
1515         height = stock_wid->requisition.height;
1516         width  = stock_wid->requisition.width;
1517         gdk_pixmap_ref(stock_pixmap);
1518         gdk_pixmap_ref(stock_mask);
1519         gtk_widget_destroy(stock_wid);
1520
1521         widget = gtk_drawing_area_new();
1522         gtk_drawing_area_size(GTK_DRAWING_AREA(widget),
1523                               width + COLOR_BORDER * 2,
1524                               height +  COLOR_BORDER * 2);
1525         gtk_object_set_data_full(GTK_OBJECT(widget), "pixmap", stock_pixmap,
1526                                  (GtkDestroyNotify)gdk_pixmap_unref);
1527         gtk_object_set_data_full(GTK_OBJECT(widget), "mask", stock_mask,
1528                                  (GtkDestroyNotify)gdk_pixmap_unref);
1529
1530         if (is_signed) {
1531                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1532                 case SIGNATURE_UNCHECKED:
1533                         color = &nocheck_sig_color;
1534                         break;
1535                 case SIGNATURE_OK:
1536                         color = &good_sig_color;
1537                         break;
1538                 default:
1539                         color = &bad_sig_color;
1540                         break;
1541                 }
1542                 if (!color->pixel)
1543                         gdk_colormap_alloc_color(gtk_widget_get_colormap(widget),
1544                                                  color, FALSE, TRUE);
1545         } else {
1546                 color = NULL;
1547         }
1548         gtk_signal_connect(GTK_OBJECT(widget), "expose_event",
1549                            GTK_SIGNAL_FUNC
1550                                 (icon_drawing_area_expose_event_cb),
1551                            color);
1552         return widget;
1553 }
1554
1555 #undef COLOR_BORDER
1556
1557 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1558 {
1559         GtkWidget *pixmap;
1560         GtkWidget *vbox;
1561         GtkWidget *button;
1562         gchar *tip;
1563         const gchar *desc = NULL;
1564         StockPixmap stockp;
1565
1566         vbox = mimeview->icon_vbox;
1567         mimeview->icon_count++;
1568         button = gtk_toggle_button_new();
1569         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1570         gtk_object_set_data(GTK_OBJECT(button), "icon_number",
1571                 GINT_TO_POINTER(mimeview->icon_count));
1572         gtk_object_set_data(GTK_OBJECT(button), "partinfo",
1573                 mimeinfo);
1574
1575         switch (mimeinfo->type) {
1576
1577         case MIMETYPE_TEXT:
1578                 if (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "html"))
1579                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1580                 else if  (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "enriched"))
1581                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1582                 else
1583                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1584                 break;
1585         case MIMETYPE_MESSAGE:
1586                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1587                 break;
1588         case MIMETYPE_APPLICATION:
1589                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1590                 break;
1591         case MIMETYPE_IMAGE:
1592                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1593                 break;
1594         case MIMETYPE_AUDIO:
1595                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1596                 break;
1597         default:
1598                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1599                 break;
1600         }
1601
1602         pixmap = icon_stock_pixmap_with_privacy(mimeview->mainwin->window, stockp,
1603                                                         mimeinfo);
1604         gtk_container_add(GTK_CONTAINER(button), pixmap);
1605
1606         if (!desc) {
1607                 if (prefs_common.attach_desc)
1608                         desc = get_part_description(mimeinfo);
1609                 else
1610                         desc = get_part_name(mimeinfo);
1611         }
1612
1613         if (desc && *desc)
1614                 tip = g_strdup_printf("%s\n%s/%s\n%s", desc,
1615                                 procmime_get_type_str(mimeinfo->type),
1616                                 mimeinfo->subtype,
1617                                 to_human_readable(mimeinfo->length));
1618         else
1619                 tip = g_strdup_printf("%s/%s\n%s",
1620                                 procmime_get_type_str(mimeinfo->type),
1621                                 mimeinfo->subtype,
1622                                 to_human_readable(mimeinfo->length));
1623
1624         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1625         g_free(tip);
1626         gtk_widget_show_all(button);
1627         gtk_signal_connect(GTK_OBJECT(button), "button_press_event",
1628                            GTK_SIGNAL_FUNC(icon_clicked_cb), mimeview);
1629         gtk_signal_connect(GTK_OBJECT(button), "key_press_event",
1630                            GTK_SIGNAL_FUNC(icon_key_pressed), mimeview);
1631         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1632
1633 }
1634
1635 static void icon_list_clear (MimeView *mimeview)
1636 {
1637         GList     *child;
1638         GtkAdjustment *adj;
1639
1640         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1641         for (; child != NULL; child = g_list_next(child)) {
1642                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1643                                        GTK_WIDGET(child->data));
1644         }
1645         mimeview->icon_count = 0;
1646         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1647         adj->value = adj->lower;
1648         gtk_signal_emit_by_name(GTK_OBJECT (adj), "value_changed");
1649 }
1650
1651 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1652                                           MimeInfo      *mimeinfo)
1653 {
1654         GList *child;
1655
1656         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1657         for (; child != NULL; child = g_list_next(child)) {
1658                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1659                     gtk_object_get_data(GTK_OBJECT(child->data),
1660                                         "partinfo") == (gpointer)mimeinfo) {
1661                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1662                         gtk_toggle_button_set_active
1663                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1664                 }
1665         }
1666 }
1667
1668 /*!
1669  *\brief        Used to 'click' the next or previous icon.
1670  *
1671  *\return       true if the icon 'number' exists and was selected.
1672  */
1673 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1674                                            gint          number)
1675 {
1676         GList *child;
1677
1678         if (number == 0) return FALSE;
1679         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1680         for (; child != NULL; child = g_list_next(child)) {
1681                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1682                     GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(child->data),
1683                                         "icon_number")) == number) {
1684                         icon_selected(mimeview, number,
1685                                       (MimeInfo*)gtk_object_get_data(GTK_OBJECT(child->data),
1686                                                                      "partinfo"));
1687                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1688                         gtk_toggle_button_set_active
1689                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1690                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1691
1692                         return TRUE;
1693                 }
1694         }
1695         return FALSE;
1696 }
1697
1698 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1699                                         GtkAllocation *size, MimeView *mimeview)
1700 {
1701         GtkAllocation *mainbox_size;
1702         GtkAllocation *vbox_size;
1703         GtkAllocation *layout_size;
1704         GtkAdjustment *adj;
1705
1706         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1707
1708         mainbox_size = &mimeview->icon_mainbox->allocation;
1709         vbox_size = &mimeview->icon_vbox->allocation;
1710         layout_size = &mimeview->icon_scroll->allocation;
1711
1712         /* centralise the vbox */
1713         gtk_layout_move(GTK_LAYOUT(mimeview->icon_scroll), mimeview->icon_vbox,
1714                         (mainbox_size->width - vbox_size->width)/2, 0);
1715
1716         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1717                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1718                             MAX(vbox_size->height, layout_size->height));
1719         adj->step_increment = 5;
1720 }
1721
1722 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1723 {
1724         GtkRequisition size;
1725         gint           width;
1726         g_return_if_fail(mimeinfo != NULL);
1727
1728         while (mimeinfo != NULL) {
1729                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1730                         icon_list_append_icon(mimeview, mimeinfo);
1731                 if (mimeinfo->node->children != NULL)
1732                         icon_list_create(mimeview, (MimeInfo *) mimeinfo->node->children->data);
1733                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
1734         }
1735         gtk_widget_size_request(mimeview->icon_vbox, &size);
1736         width = size.width + 4;
1737         if (width > mimeview->icon_mainbox->requisition.width) {
1738                 gtk_widget_set_usize(mimeview->icon_mainbox,
1739                                      width, -1);
1740         }
1741
1742 }
1743
1744 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1745 {
1746         gtk_widget_ref(button);
1747
1748         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1749                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1750                                         GTK_SHADOW_NONE);
1751                 gtk_widget_hide(mimeview->icon_mainbox);
1752                 gtk_widget_show(mimeview->ctree_mainbox);
1753                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1754
1755                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1756                                         button);
1757                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1758                                    button, FALSE, FALSE, 0);
1759                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1760         } else {
1761                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1762                               GTK_SHADOW_NONE);
1763                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1764                 gtk_widget_hide(mimeview->ctree_mainbox);
1765                 gtk_widget_show(mimeview->icon_mainbox);
1766                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1767
1768                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1769                                         button);
1770                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1771                                    button, FALSE, FALSE, 0);
1772                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1773                 if (mimeview->opened)
1774                         icon_list_toggle_by_mime_info
1775                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1776                                                                        mimeview->opened));
1777
1778                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1779         }
1780         gtk_widget_grab_focus(button);
1781         gtk_widget_unref(button);
1782
1783 }
1784
1785 void mimeview_update (MimeView *mimeview) {
1786         if (mimeview && mimeview->mimeinfo) {
1787                 icon_list_clear(mimeview);
1788                 icon_list_create(mimeview, mimeview->mimeinfo);
1789         }
1790 }