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 void mimeview_check_signature(MimeView *mimeview);
 630 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 631
 632 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo)
 633 {
 634         gchar *text = NULL, *button_text = NULL;
 635         void  *func = NULL;
 636         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 637
 638         g_return_if_fail(mimeview != NULL);
 639         g_return_if_fail(mimeinfo != NULL);
 640
 641         switch (privacy_mimeinfo_get_sig_status(mimeinfo)) {
 642         case SIGNATURE_UNCHECKED:
 643                 button_text = _("Check signature");
 644                 func = check_signature_cb;
 645                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 646                 break;
 647         case SIGNATURE_OK:
 648                 button_text = _("View full information");
 649                 func = display_full_info_cb;
 650                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 651                 break;
 652         case SIGNATURE_WARN:
 653                 button_text = _("View full information");
 654                 func = display_full_info_cb;
 655                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 656                 break;
 657         case SIGNATURE_INVALID:
 658                 button_text = _("View full information");
 659                 func = display_full_info_cb;
 660                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 661                 break;
 662         case SIGNATURE_CHECK_FAILED:
 663                 button_text = _("Check again");
 664                 func = check_signature_cb;
 665                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 666         default:
 667                 break;
 668         }
 669         if (privacy_mimeinfo_get_sig_status(mimeinfo) == SIGNATURE_UNCHECKED) {
 670                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 671                 text = g_strdup_printf("%s %s",
 672                         tmp, _("Click the icon or hit 'C' to check it."));
 673                 g_free(tmp);
 674         } else
 675                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 676         noticeview_set_text(mimeview->siginfoview, text);
 677         g_free(text);
 678         noticeview_set_button_text(mimeview->siginfoview, NULL);
 679         noticeview_set_button_press_callback(
 680                 mimeview->siginfoview,
 681                 G_CALLBACK(func),
 682                 (gpointer) mimeview);
 683         noticeview_set_icon(mimeview->siginfoview, icon);
 684         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 685 }
 686
 687 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
 688 {
 689         MimeView *mimeview = (MimeView *) user_data;
 690         MimeInfo *mimeinfo = mimeview->siginfo;
 691
 692         if (mimeinfo == NULL)
 693                 return;
 694
 695         privacy_mimeinfo_check_signature(mimeinfo);
 696         update_signature_noticeview(mimeview, mimeview->siginfo);
 697         icon_list_clear(mimeview);
 698         icon_list_create(mimeview, mimeview->mimeinfo);
 699 }
 700
 701 void mimeview_check_signature(MimeView *mimeview)
 702 {
 703         check_signature_cb(NULL, mimeview);
 704 }
 705
 706 static void redisplay_email(GtkWidget *widget, gpointer user_data)
 707 {
 708         MimeView *mimeview = (MimeView *) user_data;
 709         GtkCTreeNode *node = mimeview->opened;
 710         mimeview->opened = NULL;
 711         mimeview_selected(GTK_CTREE(mimeview->ctree), node, 0, mimeview);
 712 }
 713
 714 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
 715 {
 716         MimeView *mimeview = (MimeView *) user_data;
 717         gchar *siginfo;
 718
 719         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
 720         textview_set_text(mimeview->textview, siginfo);
 721         g_free(siginfo);
 722         noticeview_set_button_text(mimeview->siginfoview, NULL);
 723         noticeview_set_button_press_callback(
 724                 mimeview->siginfoview,
 725                 G_CALLBACK(redisplay_email),
 726                 (gpointer) mimeview);
 727         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
 728 }
 729
 730 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
 731 {
 732         MimeInfo *siginfo;
 733         MimeInfo *first_text;
 734
 735         g_return_if_fail(mimeview != NULL);
 736         g_return_if_fail(selected != NULL);
 737
 738         if (selected->type == MIMETYPE_MESSAGE
 739         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
 740                 /* if the first text part is signed, check that */
 741                 first_text = selected;
 742                 while (first_text && first_text->type != MIMETYPE_TEXT) {
 743                         first_text = procmime_mimeinfo_next(first_text);
 744                 }
 745                 if (first_text) {
 746                         update_signature_info(mimeview, first_text);
 747                         return;
 748                 }
 749         }
 750
 751         siginfo = selected;
 752         while (siginfo != NULL) {
 753                 if (privacy_mimeinfo_is_signed(siginfo))
 754                         break;
 755                 siginfo = procmime_mimeinfo_parent(siginfo);
 756         }
 757         mimeview->siginfo = siginfo;
 758
 759         if (siginfo == NULL) {
 760                 noticeview_hide(mimeview->siginfoview);
 761                 return;
 762         }
 763
 764         update_signature_noticeview(mimeview, siginfo);
 765         noticeview_show(mimeview->siginfoview);
 766 }
 767
 768 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 769                               MimeView *mimeview)
 770 {
 771         MimeInfo *partinfo;
 772
 773         if (mimeview->opened == node) return;
 774         mimeview->opened = node;
 775         gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
 776
 777         partinfo = gtk_ctree_node_get_row_data(ctree, node);
 778         if (!partinfo) return;
 779
 780         /* ungrab the mouse event */
 781         if (GTK_WIDGET_HAS_GRAB(ctree)) {
 782                 gtk_grab_remove(GTK_WIDGET(ctree));
 783                 if (gdk_pointer_is_grabbed())
 784                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
 785         }
 786
 787         mimeview->textview->default_text = FALSE;
 788
 789         update_signature_info(mimeview, partinfo);
 790
 791         if (!mimeview_show_part(mimeview, partinfo)) {
 792                 switch (partinfo->type) {
 793                 case MIMETYPE_TEXT:
 794                 case MIMETYPE_MESSAGE:
 795                 case MIMETYPE_MULTIPART:
 796                         mimeview_show_message_part(mimeview, partinfo);
 797
 798                         break;
 799                 default:
 800                         mimeview->textview->default_text = TRUE;
 801                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 802                         textview_show_mime_part(mimeview->textview, partinfo);
 803                         break;
 804                 }
 805         }
 806 }
 807
 808 static void mimeview_start_drag(GtkWidget *widget, gint button,
 809                                 GdkEvent *event, MimeView *mimeview)
 810 {
 811         GdkDragContext *context;
 812         MimeInfo *partinfo;
 813
 814         g_return_if_fail(mimeview != NULL);
 815
 816         partinfo = mimeview_get_selected_part(mimeview);
 817         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
 818
 819         context = gtk_drag_begin(widget, mimeview->target_list,
 820                                  GDK_ACTION_COPY, button, event);
 821         gtk_drag_set_icon_default(context);
 822 }
 823
 824 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 825                                     MimeView *mimeview)
 826 {
 827         GtkCList *clist = GTK_CLIST(widget);
 828         gint row, column;
 829
 830         if (!event) return FALSE;
 831
 832         if (event->button == 2 || event->button == 3) {
 833                 if (!gtk_clist_get_selection_info(clist, event->x, event->y,
 834                                                   &row, &column))
 835                         return FALSE;
 836                 gtk_clist_unselect_all(clist);
 837                 gtk_clist_select_row(clist, row, column);
 838                 gtkut_clist_set_focus_row(clist, row);
 839         }
 840         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 841
 842         return FALSE;
 843 }
 844
 845 /* from gdkevents.c */
 846 #define DOUBLE_CLICK_TIME 250
 847
 848 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 849                                     MimeInfo *partinfo)
 850 {
 851         static MimeInfo *lastinfo;
 852         static guint32 lasttime;
 853
 854         if (event->button == 2 ||
 855             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
 856                 /* call external program for image, audio or html */
 857                 mimeview_launch(mimeview);
 858                 return TRUE;
 859         } else if (event->button == 3) {
 860                 if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
 861                                  partinfo->type == MIMETYPE_MESSAGE ||
 862                                  partinfo->type == MIMETYPE_IMAGE ||
 863                                  partinfo->type == MIMETYPE_MULTIPART))
 864                         menu_set_sensitive(mimeview->popupfactory,
 865                                            "/Display as text", FALSE);
 866                 else
 867                         menu_set_sensitive(mimeview->popupfactory,
 868                                            "/Display as text", TRUE);
 869                 if (partinfo &&
 870                     partinfo->type == MIMETYPE_APPLICATION &&
 871                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
 872                         menu_set_sensitive(mimeview->popupfactory,
 873                                            "/Open", FALSE);
 874                 else
 875                         menu_set_sensitive(mimeview->popupfactory,
 876                                            "/Open", TRUE);
 877
 878                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
 879                                   "pop_partinfo", partinfo);
 880
 881                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
 882                                NULL, NULL, NULL, NULL,
 883                                event->button, event->time);
 884                 return TRUE;
 885         }
 886
 887         lastinfo = partinfo;
 888         lasttime = event->time;
 889         return FALSE;
 890 }
 891
 892
 893 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 894 {
 895         mimeview_key_pressed(mimeview->ctree, event, mimeview);
 896 }
 897
 898 #define BREAK_ON_MODIFIER_KEY() \
 899         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 900
 901 #define KEY_PRESS_EVENT_STOP() \
 902         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
 903                                        "key_press_event");
 904
 905 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
 906                                  MimeView *mimeview)
 907 {
 908         SummaryView *summaryview;
 909         GtkCTree *ctree = GTK_CTREE(widget);
 910         GtkCTreeNode *node;
 911
 912         if (!event) return FALSE;
 913         if (!mimeview->opened) return FALSE;
 914
 915         summaryview = mimeview->messageview->mainwin->summaryview;
 916
 917         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
 918                 return FALSE;
 919
 920         switch (event->keyval) {
 921         case GDK_space:
 922                 if (textview_scroll_page(mimeview->textview, FALSE))
 923                         return TRUE;
 924
 925                 node = GTK_CTREE_NODE_NEXT(mimeview->opened);
 926                 if (node) {
 927                         gtk_sctree_unselect_all(GTK_SCTREE(ctree));
 928                         gtk_sctree_select(GTK_SCTREE(ctree), node);
 929                         return TRUE;
 930                 }
 931                 break;
 932         case GDK_BackSpace:
 933                 textview_scroll_page(mimeview->textview, TRUE);
 934                 return TRUE;
 935         case GDK_Return:
 936                 textview_scroll_one_line(mimeview->textview,
 937                                          (event->state & GDK_MOD1_MASK) != 0);
 938                 return TRUE;
 939         case GDK_n:
 940         case GDK_N:
 941                 BREAK_ON_MODIFIER_KEY();
 942                 if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
 943                 KEY_PRESS_EVENT_STOP();
 944                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 945                                         GTK_SCROLL_STEP_FORWARD, 0.0);
 946                 return TRUE;
 947         case GDK_p:
 948         case GDK_P:
 949                 BREAK_ON_MODIFIER_KEY();
 950                 if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
 951                 KEY_PRESS_EVENT_STOP();
 952                 g_signal_emit_by_name(G_OBJECT(ctree), "scroll_vertical",
 953                                         GTK_SCROLL_STEP_BACKWARD, 0.0);
 954                 return TRUE;
 955         case GDK_y:
 956                 BREAK_ON_MODIFIER_KEY();
 957                 KEY_PRESS_EVENT_STOP();
 958                 mimeview_save_as(mimeview);
 959                 return TRUE;
 960         case GDK_t:
 961                 BREAK_ON_MODIFIER_KEY();
 962                 KEY_PRESS_EVENT_STOP();
 963                 mimeview_display_as_text(mimeview);
 964                 return TRUE;
 965         case GDK_l:
 966                 BREAK_ON_MODIFIER_KEY();
 967                 KEY_PRESS_EVENT_STOP();
 968                 mimeview_launch(mimeview);
 969                 return TRUE;
 970         case GDK_o:
 971                 BREAK_ON_MODIFIER_KEY();
 972                 KEY_PRESS_EVENT_STOP();
 973                 mimeview_open_with(mimeview);
 974                 return TRUE;
 975         case GDK_c:
 976                 BREAK_ON_MODIFIER_KEY();
 977                 KEY_PRESS_EVENT_STOP();
 978                 mimeview_check_signature(mimeview);
 979                 return TRUE;
 980         default:
 981                 break;
 982         }
 983
 984         if (!mimeview->messageview->mainwin) return FALSE;
 985
 986         summary_pass_key_press_event(summaryview, event);
 987         return TRUE;
 988 }
 989
 990 static void mimeview_drag_data_get(GtkWidget        *widget,
 991                                    GdkDragContext   *drag_context,
 992                                    GtkSelectionData *selection_data,
 993                                    guint             info,
 994                                    guint             time,
 995                                    MimeView         *mimeview)
 996 {
 997         gchar *filename, *uriname, *tmp;
 998         MimeInfo *partinfo;
 999
1000         if (!mimeview->opened) return;
1001         if (!mimeview->file) return;
1002
1003         partinfo = mimeview_get_selected_part(mimeview);
1004         if (!partinfo) return;
1005
1006         filename = g_path_get_basename(get_part_name(partinfo));
1007         if (*filename == '\0') return;
1008
1009         tmp = filename;
1010
1011         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1012                                filename, NULL);
1013
1014         g_free(tmp);
1015
1016         if (procmime_get_part(filename, partinfo) < 0)
1017                 alertpanel_error
1018                         (_("Can't save the part of multipart message."));
1019
1020         uriname = g_strconcat("file://", filename, NULL);
1021         gtk_selection_data_set(selection_data, selection_data->target, 8,
1022                                uriname, strlen(uriname));
1023
1024         g_free(uriname);
1025         g_free(filename);
1026 }
1027
1028 /**
1029  * Returns a filename (with path) for an attachment
1030  * \param partinfo The attachment to save
1031  * \param basedir The target directory
1032  * \param number Used for dummy filename if attachment is unnamed
1033  */
1034 gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1035                                       const gchar *basedir,
1036                                       gint number)
1037 {
1038         gchar *fullname;
1039         gchar *filename;
1040
1041         filename = g_strdup(get_part_name(partinfo));
1042         if (!filename || !*filename)
1043                 filename = g_strdup_printf("noname.%d", number);
1044
1045         if (!g_utf8_validate(filename, -1, NULL)) {
1046                 gchar *tmp = conv_filename_to_utf8(filename);
1047                 g_free(filename);
1048                 filename = tmp;
1049         }
1050
1051         subst_for_filename(filename);
1052
1053         fullname = g_strconcat
1054                 (basedir, G_DIR_SEPARATOR_S, (filename[0] == G_DIR_SEPARATOR)
1055                  ? &filename[1] : filename, NULL);
1056
1057         g_free(filename);
1058         return fullname;
1059 }
1060
1061 /**
1062  * Write a single attachment to file
1063  * \param filename Filename with path
1064  * \param partinfo Attachment to save
1065  */
1066 static gboolean mimeview_write_part(const gchar *filename,
1067                                     MimeInfo *partinfo)
1068 {
1069         gchar *dir;
1070
1071         dir= g_path_get_dirname(filename);
1072         if (!is_dir_exist(dir))
1073                 make_dir_hier(dir);
1074         g_free(dir);
1075
1076         if (is_file_exist(filename)) {
1077                 AlertValue aval;
1078                 gchar *res;
1079
1080                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1081                                       filename);
1082                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_OK,
1083                                   GTK_STOCK_CANCEL, NULL);
1084                 g_free(res);
1085                 if (G_ALERTDEFAULT != aval) return FALSE;
1086         }
1087
1088         if (procmime_get_part(filename, partinfo) < 0) {
1089                 alertpanel_error
1090                         (_("Can't save the part of multipart message."));
1091                 return FALSE;
1092         }
1093
1094         return TRUE;
1095 }
1096
1097 /**
1098  * Menu callback: Save all attached files
1099  * \param mimeview Current display
1100  */
1101 static void mimeview_save_all(MimeView *mimeview)
1102 {
1103         MimeInfo *partinfo;
1104         gchar *dirname;
1105         gchar *startdir = NULL;
1106         gint number = 1;
1107
1108         if (!mimeview->opened) return;
1109         if (!mimeview->file) return;
1110         if (!mimeview->mimeinfo) return;
1111
1112         partinfo = mimeview->mimeinfo;
1113         if (prefs_common.attach_save_dir)
1114                 startdir = g_strconcat(prefs_common.attach_save_dir,
1115                                        G_DIR_SEPARATOR_S, NULL);
1116
1117         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1118         if (!dirname) {
1119                 if (startdir) g_free(startdir);
1120                 return;
1121         }
1122
1123         if (!is_dir_exist (dirname)) {
1124                 alertpanel_error(_("'%s' is not a directory."),
1125                                  dirname);
1126                 if (startdir) g_free(startdir);
1127                 return;
1128         }
1129
1130         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1131                 dirname[strlen(dirname)-1] = '\0';
1132
1133         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1134         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1135                 partinfo = procmime_mimeinfo_next(partinfo);
1136         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1137                 partinfo = procmime_mimeinfo_next(partinfo);
1138                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1139                         partinfo = procmime_mimeinfo_next(partinfo);
1140         }
1141
1142         while (partinfo != NULL) {
1143                 if (partinfo->type != MIMETYPE_MESSAGE &&
1144                     partinfo->type != MIMETYPE_MULTIPART &&
1145                     partinfo->disposition != DISPOSITIONTYPE_INLINE) {
1146                         gchar *filename = mimeview_get_filename_for_part
1147                                 (partinfo, dirname, number++);
1148
1149                         mimeview_write_part(filename, partinfo);
1150                         g_free(filename);
1151                 }
1152                 partinfo = procmime_mimeinfo_next(partinfo);
1153         }
1154
1155         if (prefs_common.attach_save_dir)
1156                 g_free(prefs_common.attach_save_dir);
1157
1158         prefs_common.attach_save_dir = g_strdup(dirname);
1159
1160         if (startdir) g_free(startdir);
1161 }
1162
1163 /**
1164  * Menu callback: Save the selected attachment
1165  * \param mimeview Current display
1166  */
1167 static void mimeview_save_as(MimeView *mimeview)
1168 {
1169         gchar *filename;
1170         gchar *filepath = NULL;
1171         gchar *filedir = NULL;
1172         MimeInfo *partinfo;
1173         gchar *partname = NULL;
1174
1175         if (!mimeview->opened) return;
1176         if (!mimeview->file) return;
1177
1178         partinfo = mimeview_get_selected_part(mimeview);
1179         if (!partinfo) {
1180                 partinfo = (MimeInfo *) g_object_get_data
1181                          (G_OBJECT(mimeview->popupmenu),
1182                          "pop_partinfo");
1183                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1184                                   "pop_partinfo", NULL);
1185         }
1186         g_return_if_fail(partinfo != NULL);
1187
1188         if (get_part_name(partinfo) == NULL) {
1189                 return;
1190         }
1191         partname = g_strdup(get_part_name(partinfo));
1192
1193         if (!g_utf8_validate(partname, -1, NULL)) {
1194                 gchar *tmp = conv_filename_to_utf8(partname);
1195                 g_free(partname);
1196                 partname = tmp;
1197         }
1198
1199         subst_for_filename(partname);
1200
1201         if (prefs_common.attach_save_dir)
1202                 filepath = g_strconcat(prefs_common.attach_save_dir,
1203                                        G_DIR_SEPARATOR_S, partname, NULL);
1204         else
1205                 filepath = g_strdup(partname);
1206
1207         g_free(partname);
1208
1209         filename = filesel_select_file_save(_("Save as"), filepath);
1210         if (!filename) {
1211                 g_free(filepath);
1212                 return;
1213         }
1214
1215         mimeview_write_part(filename, partinfo);
1216
1217         filedir = g_path_get_dirname(filename);
1218         if (filedir && strcmp(filedir, ".")) {
1219                 if (prefs_common.attach_save_dir)
1220                         g_free(prefs_common.attach_save_dir);
1221                 prefs_common.attach_save_dir = g_strdup(filedir);
1222         }
1223
1224         g_free(filedir);
1225         g_free(filepath);
1226 }
1227
1228 static void mimeview_display_as_text(MimeView *mimeview)
1229 {
1230         MimeInfo *partinfo;
1231
1232         if (!mimeview->opened) return;
1233
1234         partinfo = mimeview_get_selected_part(mimeview);
1235         if (!partinfo)  {
1236                 partinfo = (MimeInfo *) g_object_get_data
1237                         (G_OBJECT(mimeview->popupmenu),
1238                          "pop_partinfo");
1239                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1240                                   "pop_partinfo", NULL);
1241
1242         }
1243         g_return_if_fail(partinfo != NULL);
1244         mimeview_show_message_part(mimeview, partinfo);
1245 }
1246
1247 static void mimeview_launch(MimeView *mimeview)
1248 {
1249         MimeInfo *partinfo;
1250         gchar *filename;
1251
1252         if (!mimeview->opened) return;
1253         if (!mimeview->file) return;
1254
1255         partinfo = mimeview_get_selected_part(mimeview);
1256         if (!partinfo) {
1257                 partinfo = (MimeInfo *) g_object_get_data
1258                         (G_OBJECT(mimeview->popupmenu),
1259                          "pop_partinfo");
1260                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1261                                   "pop_partinfo", NULL);
1262         }
1263         g_return_if_fail(partinfo != NULL);
1264
1265         filename = procmime_get_tmp_file_name(partinfo);
1266
1267         if (procmime_get_part(filename, partinfo) < 0)
1268                 alertpanel_error
1269                         (_("Can't save the part of multipart message."));
1270         else
1271                 mimeview_view_file(filename, partinfo, NULL);
1272
1273         g_free(filename);
1274 }
1275
1276 static void mimeview_open_with(MimeView *mimeview)
1277 {
1278         MimeInfo *partinfo;
1279         gchar *filename;
1280         gchar *cmd;
1281         gchar *mime_command = NULL;
1282         gchar *content_type = NULL;
1283
1284         if (!mimeview->opened) return;
1285         if (!mimeview->file) return;
1286
1287         partinfo = mimeview_get_selected_part(mimeview);
1288         if (!partinfo) {
1289                 partinfo = (MimeInfo *) g_object_get_data
1290                         (G_OBJECT(mimeview->popupmenu),
1291                          "pop_partinfo");
1292                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1293                                   "pop_partinfo", NULL);
1294         }
1295         g_return_if_fail(partinfo != NULL);
1296
1297         filename = procmime_get_tmp_file_name(partinfo);
1298
1299         if (procmime_get_part(filename, partinfo) < 0) {
1300                 alertpanel_error
1301                         (_("Can't save the part of multipart message."));
1302                 g_free(filename);
1303                 return;
1304         }
1305
1306         if (!prefs_common.mime_open_cmd_history)
1307                 prefs_common.mime_open_cmd_history =
1308                         add_history(NULL, prefs_common.mime_open_cmd);
1309
1310         content_type = procmime_get_content_type_str(partinfo->type,
1311                         partinfo->subtype);
1312         mime_command = mailcap_get_command_for_type(content_type);
1313         g_free(content_type);
1314         cmd = input_dialog_combo
1315                 (_("Open with"),
1316                  _("Enter the command line to open file:\n"
1317                    "('%s' will be replaced with file name)"),
1318                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1319                  prefs_common.mime_open_cmd_history,
1320                  TRUE);
1321         g_free(mime_command);
1322         if (cmd) {
1323                 mimeview_view_file(filename, partinfo, cmd);
1324                 g_free(prefs_common.mime_open_cmd);
1325                 prefs_common.mime_open_cmd = cmd;
1326                 prefs_common.mime_open_cmd_history =
1327                         add_history(prefs_common.mime_open_cmd_history, cmd);
1328         }
1329
1330         g_free(filename);
1331 }
1332
1333 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1334                                const gchar *cmdline)
1335 {
1336         static gchar *default_image_cmdline = DEFAULT_IMAGE_VIEWER_CMD;
1337         static gchar *default_audio_cmdline = DEFAULT_AUDIO_PLAYER_CMD;
1338         static gchar *default_html_cmdline = DEFAULT_BROWSER_CMD;
1339         static gchar *mime_cmdline = DEFAULT_MIME_CMD;
1340         gchar buf[1024];
1341         gchar m_buf[1024];
1342         const gchar *cmd;
1343         const gchar *def_cmd;
1344         const gchar *p;
1345
1346         if (cmdline) {
1347                 cmd = cmdline;
1348                 def_cmd = NULL;
1349         } else if (MIMETYPE_APPLICATION == partinfo->type &&
1350                    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream")) {
1351                 return;
1352         } else if (MIMETYPE_IMAGE == partinfo->type) {
1353                 cmd = prefs_common.mime_image_viewer;
1354                 def_cmd = default_image_cmdline;
1355         } else if (MIMETYPE_AUDIO == partinfo->type) {
1356                 cmd = prefs_common.mime_audio_player;
1357                 def_cmd = default_audio_cmdline;
1358         } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
1359                 cmd = prefs_common.uri_cmd;
1360                 def_cmd = default_html_cmdline;
1361         } else {
1362                 gchar *content_type;
1363
1364                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
1365                 g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
1366                            content_type, "%s");
1367                 g_free(content_type);
1368                 cmd = m_buf;
1369                 def_cmd = NULL;
1370         }
1371
1372         if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
1373             !strchr(p + 2, '%'))
1374                 g_snprintf(buf, sizeof(buf), cmd, filename);
1375         else {
1376                 if (cmd)
1377                         g_warning("MIME viewer command line is invalid: '%s'", cmd);
1378                 if (def_cmd)
1379                         g_snprintf(buf, sizeof(buf), def_cmd, filename);
1380                 else
1381                         return;
1382         }
1383
1384         execute_command_line(buf, TRUE);
1385 }
1386
1387 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
1388 {
1389         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
1390 }
1391
1392 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
1393 {
1394         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
1395 }
1396
1397 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
1398 {
1399         GSList *mimeview_list, *viewer_list;
1400
1401         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
1402                 MimeView *mimeview = (MimeView *) mimeview_list->data;
1403
1404                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
1405                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1406                         mimeview->mimeviewer = NULL;
1407                 }
1408
1409                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
1410                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
1411
1412                         mimeviewer->destroy_viewer(mimeviewer);
1413                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
1414                 }
1415         }
1416
1417         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
1418 }
1419
1420 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
1421 {
1422         gint      num;
1423         MimeInfo *partinfo;
1424
1425         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1426         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1427
1428         icon_selected(mimeview, num, partinfo);
1429         gtk_widget_grab_focus(button);
1430         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1431                 toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1432                 if (event->button == 2 || event->button == 3)
1433                         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(button),
1434                                                      TRUE);
1435         }
1436
1437         part_button_pressed(mimeview, event, partinfo);
1438
1439         return FALSE;
1440 }
1441
1442 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
1443 {
1444         GtkCTreeNode *node;
1445         node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
1446         if (node)
1447                 gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
1448 }
1449
1450 #undef  KEY_PRESS_EVENT_STOP
1451 #define KEY_PRESS_EVENT_STOP() \
1452         g_signal_stop_emission_by_name(G_OBJECT(button), \
1453                                        "key_press_event");
1454
1455 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
1456                              MimeView *mimeview)
1457 {
1458         gint          num;
1459         MimeInfo     *partinfo;
1460         SummaryView  *summaryview;
1461         TextView     *textview;
1462
1463         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
1464         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
1465
1466         if (!event) return FALSE;
1467
1468         textview = mimeview->textview;
1469
1470         switch (event->keyval) {
1471         case GDK_space:
1472                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1473                         /* stop the button being untoggled */
1474                         KEY_PRESS_EVENT_STOP();
1475                         if (textview_scroll_page(textview, FALSE))
1476                                 return TRUE;
1477
1478                         if (icon_list_select_by_number(mimeview, num + 1))
1479                                 return TRUE;
1480                 } else {
1481                         icon_selected(mimeview, num, partinfo);
1482                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1483                         return TRUE;
1484                 }
1485
1486                 break;
1487         case GDK_BackSpace:
1488                 textview_scroll_page(textview, TRUE);
1489                 return TRUE;
1490         case GDK_Return:
1491                 if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1492                         KEY_PRESS_EVENT_STOP();
1493                         textview_scroll_one_line(textview,
1494                                                  (event->state & GDK_MOD1_MASK) != 0);
1495                         return TRUE;
1496                 } else {
1497                         icon_selected(mimeview, num, partinfo);
1498                         toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
1499                         return TRUE;
1500                 }
1501
1502         case GDK_n:
1503         case GDK_N:
1504                 BREAK_ON_MODIFIER_KEY();
1505                 if (icon_list_select_by_number(mimeview, num + 1)) {
1506                         KEY_PRESS_EVENT_STOP();
1507                         return TRUE;
1508                 }
1509                 break;
1510
1511         case GDK_p:
1512         case GDK_P:
1513                 BREAK_ON_MODIFIER_KEY();
1514                 if (icon_list_select_by_number(mimeview, num - 1)) {
1515                         KEY_PRESS_EVENT_STOP();
1516                         return TRUE;
1517                 }
1518                 break;
1519
1520         case GDK_y:
1521                 BREAK_ON_MODIFIER_KEY();
1522                 KEY_PRESS_EVENT_STOP();
1523                 mimeview_save_as(mimeview);
1524                 return TRUE;
1525         case GDK_t:
1526                 BREAK_ON_MODIFIER_KEY();
1527                 KEY_PRESS_EVENT_STOP();
1528                 mimeview_display_as_text(mimeview);
1529                 return TRUE;
1530         case GDK_l:
1531                 BREAK_ON_MODIFIER_KEY();
1532                 KEY_PRESS_EVENT_STOP();
1533                 mimeview_launch(mimeview);
1534                 return TRUE;
1535         case GDK_o:
1536                 BREAK_ON_MODIFIER_KEY();
1537                 KEY_PRESS_EVENT_STOP();
1538                 mimeview_open_with(mimeview);
1539                 return TRUE;
1540         case GDK_c:
1541                 BREAK_ON_MODIFIER_KEY();
1542                 KEY_PRESS_EVENT_STOP();
1543                 mimeview_check_signature(mimeview);
1544                 return TRUE;
1545         default:
1546                 break;
1547         }
1548
1549         if (!mimeview->messageview->mainwin) return FALSE;
1550         summaryview = mimeview->messageview->mainwin->summaryview;
1551         summary_pass_key_press_event(summaryview, event);
1552         return TRUE;
1553 }
1554
1555 static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
1556 {
1557         GList *child;
1558
1559         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
1560         for (; child != NULL; child = g_list_next(child)) {
1561                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1562                     GTK_TOGGLE_BUTTON(child->data) != button &&
1563                     gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
1564                         gtk_toggle_button_set_active
1565                                 (GTK_TOGGLE_BUTTON(child->data),
1566                                  FALSE);
1567         }
1568 }
1569
1570 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
1571 {
1572         GtkWidget *pixmap = NULL;
1573         GtkWidget *vbox;
1574         GtkWidget *button;
1575         gchar *tip;
1576         gchar *tiptmp;
1577         const gchar *desc = NULL;
1578         gchar *sigshort = NULL;
1579         gchar *content_type;
1580         StockPixmap stockp;
1581         MimeInfo *partinfo;
1582         MimeInfo *siginfo = NULL;
1583         MimeInfo *encrypted = NULL;
1584
1585         vbox = mimeview->icon_vbox;
1586         mimeview->icon_count++;
1587         button = gtk_toggle_button_new();
1588         gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
1589         g_object_set_data(G_OBJECT(button), "icon_number",
1590                           GINT_TO_POINTER(mimeview->icon_count));
1591         g_object_set_data(G_OBJECT(button), "partinfo",
1592                           mimeinfo);
1593
1594         switch (mimeinfo->type) {
1595
1596         case MIMETYPE_TEXT:
1597                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
1598                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
1599                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
1600                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
1601                 else
1602                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
1603                 break;
1604         case MIMETYPE_MESSAGE:
1605                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
1606                 break;
1607         case MIMETYPE_APPLICATION:
1608                 stockp = STOCK_PIXMAP_MIME_APPLICATION;
1609                 break;
1610         case MIMETYPE_IMAGE:
1611                 stockp = STOCK_PIXMAP_MIME_IMAGE;
1612                 break;
1613         case MIMETYPE_AUDIO:
1614                 stockp = STOCK_PIXMAP_MIME_AUDIO;
1615                 break;
1616         default:
1617                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
1618                 break;
1619         }
1620
1621         partinfo = mimeinfo;
1622         while (partinfo != NULL) {
1623                 if (privacy_mimeinfo_is_signed(partinfo)) {
1624                         siginfo = partinfo;
1625                         break;
1626                 }
1627                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
1628                         encrypted = partinfo;
1629                         break;
1630                 }
1631                 partinfo = procmime_mimeinfo_parent(partinfo);
1632         }
1633
1634         if (siginfo != NULL) {
1635                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
1636                 case SIGNATURE_UNCHECKED:
1637                 case SIGNATURE_CHECK_FAILED:
1638                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1639                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1640                         break;
1641                 case SIGNATURE_OK:
1642                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1643                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1644                         break;
1645                 case SIGNATURE_WARN:
1646                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1647                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
1648                         break;
1649                 case SIGNATURE_INVALID:
1650                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1651                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1652                         break;
1653                 }
1654                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
1655         } else if (encrypted != NULL) {
1656                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
1657                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
1658         } else {
1659                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
1660                                                           OVERLAY_NONE, 6, 3);
1661         }
1662         gtk_container_add(GTK_CONTAINER(button), pixmap);
1663
1664         if (!desc) {
1665                 if (prefs_common.attach_desc)
1666                         desc = get_part_description(mimeinfo);
1667                 else
1668                         desc = get_part_name(mimeinfo);
1669         }
1670
1671         content_type = procmime_get_content_type_str(mimeinfo->type,
1672                                                      mimeinfo->subtype);
1673
1674         tip = g_strjoin("\n", content_type,
1675                         to_human_readable(mimeinfo->length), NULL);
1676         g_free(content_type);
1677         if (desc && *desc) {
1678                 gchar *tmp = NULL;
1679                 if (!g_utf8_validate(desc, -1, NULL)) {
1680                         tmp = conv_filename_to_utf8(desc);
1681                 } else {
1682                         tmp = g_strdup(desc);
1683                 }
1684                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
1685                 g_free(tip);
1686                 tip = tiptmp;
1687                 g_free(tmp);
1688         }
1689         if (sigshort && *sigshort) {
1690                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
1691                 g_free(tip);
1692                 tip = tiptmp;
1693         }
1694         g_free(sigshort);
1695
1696         gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
1697         g_free(tip);
1698         gtk_widget_show_all(button);
1699         g_signal_connect(G_OBJECT(button), "button_release_event",
1700                          G_CALLBACK(icon_clicked_cb), mimeview);
1701         g_signal_connect(G_OBJECT(button), "key_press_event",
1702                          G_CALLBACK(icon_key_pressed), mimeview);
1703         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
1704
1705 }
1706
1707 static void icon_list_clear (MimeView *mimeview)
1708 {
1709         GList     *child;
1710         GtkAdjustment *adj;
1711
1712         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1713         for (; child != NULL; child = g_list_next(child)) {
1714                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
1715                                        GTK_WIDGET(child->data));
1716         }
1717         mimeview->icon_count = 0;
1718         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1719         gtk_adjustment_set_value(adj, adj->lower);
1720 }
1721
1722 static void icon_list_toggle_by_mime_info(MimeView      *mimeview,
1723                                           MimeInfo      *mimeinfo)
1724 {
1725         GList *child;
1726
1727         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1728         for (; child != NULL; child = g_list_next(child)) {
1729                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1730                     g_object_get_data(G_OBJECT(child->data),
1731                                       "partinfo") == (gpointer)mimeinfo) {
1732                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1733                         gtk_toggle_button_set_active
1734                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1735                 }
1736         }
1737 }
1738
1739 /*!
1740  *\brief        Used to 'click' the next or previous icon.
1741  *
1742  *\return       true if the icon 'number' exists and was selected.
1743  */
1744 static gboolean icon_list_select_by_number(MimeView     *mimeview,
1745                                            gint          number)
1746 {
1747         GList *child;
1748
1749         if (number == 0) return FALSE;
1750         child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
1751         for (; child != NULL; child = g_list_next(child)) {
1752                 if (GTK_IS_TOGGLE_BUTTON(child->data) &&
1753                     GPOINTER_TO_INT(g_object_get_data(G_OBJECT(child->data),
1754                                         "icon_number")) == number) {
1755                         icon_selected(mimeview, number,
1756                                       (MimeInfo*)g_object_get_data(G_OBJECT(child->data),
1757                                                                    "partinfo"));
1758                         toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
1759                         gtk_toggle_button_set_active
1760                                 (GTK_TOGGLE_BUTTON(child->data), TRUE);
1761                         gtk_widget_grab_focus(GTK_WIDGET(child->data));
1762
1763                         return TRUE;
1764                 }
1765         }
1766         return FALSE;
1767 }
1768
1769 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
1770                                          GtkAllocation *size, MimeView *mimeview)
1771 {
1772         GtkAllocation *mainbox_size;
1773         GtkAllocation *vbox_size;
1774         GtkAllocation *layout_size;
1775         GtkAdjustment *adj;
1776
1777         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
1778
1779         mainbox_size = &mimeview->icon_mainbox->allocation;
1780         vbox_size = &mimeview->icon_vbox->allocation;
1781         layout_size = &mimeview->icon_scroll->allocation;
1782
1783         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
1784                             GTK_LAYOUT(mimeview->icon_scroll)->width,
1785                             MAX(vbox_size->height, layout_size->height));
1786         adj->step_increment = 5;
1787 }
1788
1789 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
1790 {
1791         GtkRequisition size;
1792
1793         g_return_if_fail(mimeinfo != NULL);
1794
1795         while (mimeinfo != NULL) {
1796                 if (mimeinfo->type != MIMETYPE_MULTIPART)
1797                         icon_list_append_icon(mimeview, mimeinfo);
1798                 if (mimeinfo->node->children != NULL)
1799                         icon_list_create(mimeview,
1800                                 (MimeInfo *) mimeinfo->node->children->data);
1801                 mimeinfo = mimeinfo->node->next != NULL
1802                          ? (MimeInfo *) mimeinfo->node->next->data
1803                          : NULL;
1804         }
1805         gtk_widget_size_request(mimeview->icon_vbox, &size);
1806         if (size.width > mimeview->icon_mainbox->requisition.width) {
1807                 gtk_widget_set_size_request(mimeview->icon_mainbox,
1808                                             size.width, -1);
1809         }
1810
1811 }
1812
1813 static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview)
1814 {
1815         gtk_widget_ref(button);
1816
1817         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
1818                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT,
1819                                         GTK_SHADOW_NONE);
1820                 gtk_widget_hide(mimeview->icon_mainbox);
1821                 gtk_widget_show(mimeview->ctree_mainbox);
1822                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
1823
1824                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
1825                                         button);
1826                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
1827                                    button, FALSE, FALSE, 0);
1828                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
1829         } else {
1830                 gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT,
1831                               GTK_SHADOW_NONE);
1832                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
1833                 gtk_widget_hide(mimeview->ctree_mainbox);
1834                 gtk_widget_show(mimeview->icon_mainbox);
1835                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
1836
1837                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
1838                                         button);
1839                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
1840                                    button, FALSE, FALSE, 0);
1841                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
1842                 if (mimeview->opened)
1843                         icon_list_toggle_by_mime_info
1844                                 (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree),
1845                                                                        mimeview->opened));
1846
1847                 gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
1848         }
1849         gtk_widget_grab_focus(button);
1850         gtk_widget_unref(button);
1851
1852 }
1853
1854 void mimeview_update (MimeView *mimeview) {
1855         if (mimeview && mimeview->mimeinfo) {
1856                 icon_list_clear(mimeview);
1857                 icon_list_create(mimeview, mimeview->mimeinfo);
1858         }
1859 }