src/mimeview.c

   1 /*
   2  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 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, see <http://www.gnu.org/licenses/>.
  17  *
  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/gtk.h>
  30 #include <stdio.h>
  31 #include <sys/types.h>
  32 #include <sys/stat.h>
  33
  34 #ifndef HAVE_APACHE_FNMATCH
  35 /* kludge: apache's fnmatch clashes with <regex.h>, don't include
  36  * fnmatch.h */
  37 #include <fnmatch.h>
  38 #endif
  39
  40 #include "main.h"
  41 #include "mimeview.h"
  42 #include "textview.h"
  43 #include "procmime.h"
  44 #include "summaryview.h"
  45 #include "menu.h"
  46 #include "filesel.h"
  47 #include "alertpanel.h"
  48 #include "inputdialog.h"
  49 #include "utils.h"
  50 #include "gtkutils.h"
  51 #include "prefs_common.h"
  52 #include "procheader.h"
  53 #include "stock_pixmap.h"
  54 #include "gtk/gtkvscrollbutton.h"
  55 #include "gtk/logwindow.h"
  56 #include "timing.h"
  57
  58 #ifdef MAEMO
  59 #include <libosso.h>
  60 #ifndef CHINOOK
  61 #include <osso-mime.h>
  62 #else
  63 #include <hildon-mime.h>
  64 #endif
  65 #endif
  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                                                  GtkCMCTreeNode *parent);
  79 static GtkCMCTreeNode *mimeview_append_part     (MimeView       *mimeview,
  80                                                  MimeInfo       *partinfo,
  81                                                  GtkCMCTreeNode *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 static 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           (GtkCMCTree     *ctree,
  93                                          GtkCMCTreeNode *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 gboolean mimeview_scrolled       (GtkWidget      *widget,
 115                                          GdkEventScroll *event,
 116                                          MimeView       *mimeview);
 117 static void mimeview_display_as_text    (MimeView       *mimeview);
 118 static void mimeview_save_as            (MimeView       *mimeview);
 119 static void mimeview_save_all           (MimeView       *mimeview);
 120 static void mimeview_launch             (MimeView       *mimeview,
 121                                          MimeInfo       *partinfo);
 122 #ifndef G_OS_WIN32
 123 static void mimeview_open_with          (MimeView       *mimeview);
 124 static void mimeview_open_part_with     (MimeView       *mimeview,
 125                                          MimeInfo       *partinfo,
 126                                          gboolean        automatic);
 127 #endif
 128 static void mimeview_select_next_part   (MimeView       *mimeview);
 129 static void mimeview_select_prev_part   (MimeView       *mimeview);
 130 static void mimeview_view_file          (const gchar    *filename,
 131                                          MimeInfo       *partinfo,
 132                                          const gchar    *cmd,
 133                                          MimeView       *mimeview);
 134 static gboolean icon_clicked_cb         (GtkWidget      *button,
 135                                          GdkEventButton *event,
 136                                          MimeView       *mimeview);
 137 static void icon_selected               (MimeView       *mimeview,
 138                                          gint            num,
 139                                          MimeInfo       *partinfo);
 140 static gint icon_key_pressed            (GtkWidget      *button,
 141                                          GdkEventKey    *event,
 142                                          MimeView       *mimeview);
 143 static void icon_list_append_icon       (MimeView       *mimeview,
 144                                          MimeInfo       *mimeinfo);
 145 static void icon_list_create            (MimeView       *mimeview,
 146                                          MimeInfo       *mimeinfo);
 147 static void icon_list_clear             (MimeView       *mimeview);
 148 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
 149                                            MimeInfo     *mimeinfo);
 150 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 151                                     MimeView *mimeview);
 152 static gboolean part_button_pressed     (MimeView       *mimeview,
 153                                          GdkEventButton *event,
 154                                          MimeInfo       *partinfo);
 155 static void icon_scroll_size_allocate_cb(GtkWidget      *widget,
 156                                          GtkAllocation  *layout_size,
 157                                          MimeView       *mimeview);
 158 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 159
 160 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 161 {
 162         MimeView *mimeview = (MimeView *)data;
 163         mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 164 }
 165
 166 #ifndef G_OS_WIN32
 167 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 168 {
 169         mimeview_open_with((MimeView *)data);
 170 }
 171 #endif
 172
 173 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 174 {
 175         mimeview_display_as_text((MimeView *)data);
 176 }
 177
 178 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 179 {
 180         mimeview_save_as((MimeView *)data);
 181 }
 182
 183 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 184 {
 185         mimeview_save_all((MimeView *)data);
 186 }
 187
 188 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 189 {
 190         mimeview_select_next_part((MimeView *)data);
 191 }
 192
 193 static GtkActionEntry mimeview_menu_actions[] = {
 194         { "MimeView", NULL, "MimeView" },
 195         { "MimeView/Open", NULL, N_("_Open (l)"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 196 #if (!defined MAEMO && !defined G_OS_WIN32)
 197         { "MimeView/OpenWith", NULL, N_("Open _with (o)..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 198 #endif
 199         { "MimeView/DisplayAsText", NULL, N_("_Display as text (t)"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 200         { "MimeView/SaveAs", NULL, N_("_Save as (y)..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 201         { "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 202         { "MimeView/NextPart", NULL, N_("Next part (a)"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) }
 203 };
 204
 205 static GtkTargetEntry mimeview_mime_types[] =
 206 {
 207         {"text/uri-list", 0, 0}
 208 };
 209
 210 GSList *mimeviewer_factories;
 211 GSList *mimeviews;
 212
 213 static GdkCursor *hand_cursor = NULL;
 214
 215 static gboolean mimeview_visi_notify(GtkWidget *widget,
 216                                        GdkEventVisibility *event,
 217                                        MimeView *mimeview)
 218 {
 219         gdk_window_set_cursor(widget->window, hand_cursor);
 220         return FALSE;
 221 }
 222
 223 static gboolean mimeview_leave_notify(GtkWidget *widget,
 224                                       GdkEventCrossing *event,
 225                                       MimeView *mimeview)
 226 {
 227         gdk_window_set_cursor(widget->window, NULL);
 228         return FALSE;
 229 }
 230
 231 static gboolean mimeview_enter_notify(GtkWidget *widget,
 232                                       GdkEventCrossing *event,
 233                                       MimeView *mimeview)
 234 {
 235         gdk_window_set_cursor(widget->window, hand_cursor);
 236         return FALSE;
 237 }
 238
 239 MimeView *mimeview_create(MainWindow *mainwin)
 240 {
 241         MimeView *mimeview;
 242
 243         GtkWidget *paned;
 244         GtkWidget *scrolledwin;
 245         GtkWidget *ctree;
 246         GtkWidget *mime_notebook;
 247         GtkWidget *popupmenu;
 248         GtkWidget *ctree_mainbox;
 249         GtkWidget *vbox;
 250         GtkWidget *mime_toggle;
 251         GtkWidget *icon_mainbox;
 252         GtkWidget *icon_scroll;
 253         GtkWidget *icon_vbox;
 254         GtkWidget *arrow;
 255         GtkWidget *scrollbutton;
 256         GtkWidget *hbox;
 257         NoticeView *siginfoview;
 258         GtkRequisition r;
 259
 260         gchar *titles[N_MIMEVIEW_COLS];
 261         gint i;
 262         CLAWS_TIP_DECL();
 263
 264         if (!hand_cursor)
 265                 hand_cursor = gdk_cursor_new(GDK_HAND2);
 266
 267         debug_print("Creating MIME view...\n");
 268         mimeview = g_new0(MimeView, 1);
 269
 270         titles[COL_MIMETYPE] = _("MIME Type");
 271         titles[COL_SIZE]     = _("Size");
 272         titles[COL_NAME]     = _("Name");
 273
 274         scrolledwin = gtk_scrolled_window_new(NULL, NULL);
 275         gtk_widget_show(scrolledwin);
 276         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
 277                                        GTK_POLICY_AUTOMATIC,
 278                                        GTK_POLICY_AUTOMATIC);
 279
 280         ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
 281         gtk_widget_show(ctree);
 282         gtk_cmclist_set_selection_mode(GTK_CMCLIST(ctree), GTK_SELECTION_BROWSE);
 283         gtk_cmctree_set_line_style(GTK_CMCTREE(ctree), GTK_CMCTREE_LINES_NONE);
 284         gtk_cmclist_set_column_justification(GTK_CMCLIST(ctree), COL_SIZE,
 285                                            GTK_JUSTIFY_RIGHT);
 286         gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), COL_MIMETYPE, 240);
 287         gtk_cmclist_set_column_width(GTK_CMCLIST(ctree), COL_SIZE, 90);
 288         for (i = 0; i < N_MIMEVIEW_COLS; i++)
 289                 GTK_WIDGET_UNSET_FLAGS(GTK_CMCLIST(ctree)->column[i].button,
 290                                        GTK_CAN_FOCUS);
 291         gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 292
 293         g_signal_connect(G_OBJECT(ctree), "tree_select_row",
 294                          G_CALLBACK(mimeview_selected), mimeview);
 295         g_signal_connect(G_OBJECT(ctree), "button_release_event",
 296                          G_CALLBACK(mimeview_button_pressed), mimeview);
 297         g_signal_connect(G_OBJECT(ctree), "key_press_event",
 298                          G_CALLBACK(mimeview_key_pressed), mimeview);
 299         g_signal_connect(G_OBJECT (ctree),"start_drag",
 300                          G_CALLBACK (mimeview_start_drag), mimeview);
 301         g_signal_connect(G_OBJECT(ctree), "drag_data_get",
 302                          G_CALLBACK(mimeview_drag_data_get), mimeview);
 303
 304         mime_notebook = gtk_notebook_new();
 305         gtk_widget_show(mime_notebook);
 306         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
 307         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 308         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 309
 310         icon_vbox = gtk_vbox_new(FALSE, 2);
 311         gtk_widget_show(icon_vbox);
 312         icon_scroll = gtk_layout_new(NULL, NULL);
 313         gtk_widget_show(icon_scroll);
 314         gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
 315         scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
 316         gtk_widget_show(scrollbutton);
 317
 318         g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 319                          G_CALLBACK(mimeview_scrolled), mimeview);
 320
 321         mime_toggle = gtk_event_box_new();
 322         gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 323
 324         g_signal_connect(G_OBJECT(mime_toggle), "visibility-notify-event",
 325                          G_CALLBACK(mimeview_visi_notify), mimeview);
 326         g_signal_connect(G_OBJECT(mime_toggle), "motion-notify-event",
 327                          G_CALLBACK(mimeview_visi_notify), mimeview);
 328         g_signal_connect(G_OBJECT(mime_toggle), "leave-notify-event",
 329                          G_CALLBACK(mimeview_leave_notify), mimeview);
 330         g_signal_connect(G_OBJECT(mime_toggle), "enter-notify-event",
 331                          G_CALLBACK(mimeview_enter_notify), mimeview);
 332
 333         gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 334         gtk_widget_show(mime_toggle);
 335         mimeview->ctree_mode = FALSE;
 336         arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
 337         gtk_widget_show(arrow);
 338         gtk_widget_size_request(arrow, &r);
 339         gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 340         g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 341                          G_CALLBACK(mime_toggle_button_cb), mimeview);
 342
 343         icon_mainbox = gtk_vbox_new(FALSE, 0);
 344         gtk_widget_show(icon_mainbox);
 345         gtk_widget_set_size_request(icon_mainbox, 32, -1);
 346         gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
 347         gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
 348         gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
 349         g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 350                          G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 351
 352         ctree_mainbox = gtk_hbox_new(FALSE, 0);
 353         gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 354
 355         mimeview->ui_manager = gtk_ui_manager_new();
 356         mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 357                         "MimeView", mimeview_menu_actions,
 358                         G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 359
 360         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 361         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 362                         "/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 363         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 364                         "/Menus/MimeView/", "Open", "MimeView/Open",
 365                         GTK_UI_MANAGER_MENUITEM);
 366 #if (!defined MAEMO && !defined G_OS_WIN32)
 367         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 368                         "/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 369                         GTK_UI_MANAGER_MENUITEM);
 370 #endif
 371         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 372                         "/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 373                         GTK_UI_MANAGER_MENUITEM);
 374         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 375                         "/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 376                         GTK_UI_MANAGER_MENUITEM);
 377         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 378                         "/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 379                         GTK_UI_MANAGER_MENUITEM);
 380         MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 381                         "/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 382                         GTK_UI_MANAGER_MENUITEM);
 383
 384         popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 385                                 gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 386
 387
 388         vbox = gtk_vbox_new(FALSE, 0);
 389         gtk_widget_show(vbox);
 390         siginfoview = noticeview_create(mainwin);
 391         noticeview_hide(siginfoview);
 392         noticeview_set_icon_clickable(siginfoview, TRUE);
 393         gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 394         gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 395
 396         paned = gtk_vpaned_new();
 397         gtk_widget_show(paned);
 398         gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 399         gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 400
 401         hbox = gtk_hbox_new(FALSE, 0);
 402         gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 403         gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 404
 405         gtk_widget_show(hbox);
 406         gtk_widget_hide(ctree_mainbox);
 407 #ifdef GENERIC_UMPC
 408         gtk_widget_set_size_request(mime_toggle, -1, r.height + 8);
 409 #endif
 410         mimeview->hbox          = hbox;
 411         mimeview->paned         = paned;
 412         mimeview->scrolledwin   = scrolledwin;
 413         mimeview->ctree         = ctree;
 414         mimeview->mime_notebook = mime_notebook;
 415         mimeview->popupmenu     = popupmenu;
 416         mimeview->type          = -1;
 417         mimeview->ctree_mainbox = ctree_mainbox;
 418         mimeview->icon_scroll   = icon_scroll;
 419         mimeview->icon_vbox     = icon_vbox;
 420         mimeview->icon_mainbox  = icon_mainbox;
 421         mimeview->icon_count    = 0;
 422         mimeview->mainwin       = mainwin;
 423 #if !(GTK_CHECK_VERSION(2,12,0))
 424         mimeview->tooltips      = tips;
 425 #endif
 426         mimeview->oldsize       = 60;
 427         mimeview->mime_toggle   = mime_toggle;
 428         mimeview->siginfoview   = siginfoview;
 429         mimeview->scrollbutton  = scrollbutton;
 430         mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1);
 431
 432         mimeviews = g_slist_prepend(mimeviews, mimeview);
 433
 434         return mimeview;
 435 }
 436
 437 void mimeview_init(MimeView *mimeview)
 438 {
 439         textview_init(mimeview->textview);
 440
 441         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 442                 GTK_WIDGET_PTR(mimeview->textview));
 443 }
 444
 445 static gboolean any_part_is_signed(MimeInfo *mimeinfo)
 446 {
 447         while (mimeinfo) {
 448                 if (privacy_mimeinfo_is_signed(mimeinfo))
 449                         return TRUE;
 450                 mimeinfo = procmime_mimeinfo_next(mimeinfo);
 451         }
 452
 453         return FALSE;
 454 }
 455
 456 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 457                            const gchar *file)
 458 {
 459         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
 460         GtkCMCTreeNode *node;
 461
 462         mimeview_clear(mimeview);
 463
 464         cm_return_if_fail(file != NULL);
 465         cm_return_if_fail(mimeinfo != NULL);
 466
 467         mimeview->mimeinfo = mimeinfo;
 468
 469         mimeview->file = g_strdup(file);
 470
 471         g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected,
 472                                         mimeview);
 473
 474         /* check if the mail's signed - it can change the mail structure */
 475
 476         if (any_part_is_signed(mimeinfo))
 477                 debug_print("signed mail\n");
 478
 479         mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 480         icon_list_clear(mimeview);
 481         icon_list_create(mimeview, mimeinfo);
 482
 483         g_signal_handlers_unblock_by_func(G_OBJECT(ctree),
 484                                           mimeview_selected, mimeview);
 485
 486         node = GTK_CMCTREE_NODE(GTK_CMCLIST(ctree)->row_list);
 487         if (node) {
 488                 gtk_cmctree_select(ctree, node);
 489                 icon_list_toggle_by_mime_info
 490                         (mimeview, gtk_cmctree_node_get_row_data(ctree, node));
 491                 gtkut_ctree_set_focus_row(ctree, node);
 492         }
 493 }
 494
 495 #ifdef USE_PTHREAD
 496 static void mimeview_check_sig_cancel_now(MimeView *mimeview);
 497 #endif
 498
 499 static void mimeview_free_mimeinfo(MimeView *mimeview)
 500 {
 501         gboolean defer = FALSE;
 502 #ifdef USE_PTHREAD
 503         defer = (mimeview->check_data != NULL);
 504         if (defer)
 505                 mimeview->check_data->free_after_use = TRUE;
 506 #endif
 507         if (mimeview->mimeinfo != NULL && !defer) {
 508                 procmime_mimeinfo_free_all(mimeview->mimeinfo);
 509                 mimeview->mimeinfo = NULL;
 510         } else if (defer) {
 511 #ifdef USE_PTHREAD
 512                 debug_print("deferring free(mimeinfo) and cancelling check\n");
 513                 mimeview_check_sig_cancel_now(mimeview);
 514 #endif
 515         }
 516 }
 517
 518 void mimeview_destroy(MimeView *mimeview)
 519 {
 520         GSList *cur;
 521
 522         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 523                 MimeViewer *viewer = (MimeViewer *) cur->data;
 524                 viewer->destroy_viewer(viewer);
 525         }
 526         g_slist_free(mimeview->viewers);
 527         gtk_target_list_unref(mimeview->target_list);
 528
 529         mimeview_free_mimeinfo(mimeview);
 530 #ifdef USE_PTHREAD
 531         if (mimeview->check_data) {
 532                 mimeview->check_data->destroy_mimeview = TRUE;
 533                 debug_print("deferring destroy\n");
 534         } else
 535 #endif
 536         {
 537                 g_free(mimeview->file);
 538                 g_free(mimeview);
 539                 mimeviews = g_slist_remove(mimeviews, mimeview);
 540         }
 541
 542 }
 543
 544 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 545 {
 546         return gtk_cmctree_node_get_row_data
 547                 (GTK_CMCTREE(mimeview->ctree), mimeview->opened);
 548 }
 549
 550 gint mimeview_get_selected_part_num(MimeView *mimeview)
 551 {
 552         gint i = 0;
 553         GList *rows = GTK_CMCLIST(mimeview->ctree)->row_list;
 554         while (rows) {
 555                 if (mimeview->opened == GTK_CMCTREE_NODE(rows))
 556                         return i;
 557                 i++;
 558                 rows = rows->next;
 559         }
 560         return -1;
 561 }
 562
 563 void mimeview_select_part_num(MimeView *mimeview, gint i)
 564 {
 565         if (i < 0)
 566                 return;
 567         gtk_cmclist_unselect_all(GTK_CMCLIST(mimeview->ctree));
 568         gtk_cmclist_select_row(GTK_CMCLIST(mimeview->ctree), i, -1);
 569         gtkut_clist_set_focus_row(GTK_CMCLIST(mimeview->ctree), i);
 570 }
 571
 572 static void mimeview_set_multipart_tree(MimeView *mimeview,
 573                                         MimeInfo *mimeinfo,
 574                                         GtkCMCTreeNode *parent)
 575 {
 576         GtkCMCTreeNode *node;
 577
 578         cm_return_if_fail(mimeinfo != NULL);
 579
 580         while (mimeinfo != NULL) {
 581                 node = mimeview_append_part(mimeview, mimeinfo, parent);
 582
 583                 if (mimeinfo->node->children)
 584                         mimeview_set_multipart_tree(mimeview, (MimeInfo *) mimeinfo->node->children->data, node);
 585                 mimeinfo = mimeinfo->node->next != NULL ? (MimeInfo *) mimeinfo->node->next->data : NULL;
 586         }
 587 }
 588
 589 static const gchar *get_real_part_name(MimeInfo *partinfo)
 590 {
 591         const gchar *name = NULL;
 592
 593         name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 594         if (name == NULL)
 595                 name = procmime_mimeinfo_get_parameter(partinfo, "name");
 596
 597         return name;
 598 }
 599
 600 static const gchar *get_part_name(MimeInfo *partinfo)
 601 {
 602         const gchar *name;
 603
 604         name = get_real_part_name(partinfo);
 605         if (name == NULL)
 606                 name = "";
 607
 608         return name;
 609 }
 610
 611 static const gchar *get_part_description(MimeInfo *partinfo)
 612 {
 613         if (partinfo->description)
 614                 return partinfo->description;
 615         else
 616                 return get_part_name(partinfo);
 617 }
 618
 619 static GtkCMCTreeNode *mimeview_append_part(MimeView *mimeview,
 620                                           MimeInfo *partinfo,
 621                                           GtkCMCTreeNode *parent)
 622 {
 623         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
 624         GtkCMCTreeNode *node;
 625         static gchar content_type[64];
 626         gchar *str[N_MIMEVIEW_COLS];
 627
 628         if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
 629                 g_snprintf(content_type, 64, "%s/%s", procmime_get_media_type_str(partinfo->type), partinfo->subtype);
 630         } else {
 631                 g_snprintf(content_type, 64, "UNKNOWN");
 632         }
 633
 634         str[COL_MIMETYPE] = content_type;
 635         str[COL_SIZE] = to_human_readable((goffset)partinfo->length);
 636         if (prefs_common.attach_desc)
 637                 str[COL_NAME] = (gchar *) get_part_description(partinfo);
 638         else
 639                 str[COL_NAME] = (gchar *) get_part_name(partinfo);
 640
 641         node = gtk_sctree_insert_node(ctree, parent, NULL, str, 0,
 642                                      NULL, NULL,
 643                                      FALSE, TRUE);
 644         gtk_cmctree_node_set_row_data(ctree, node, partinfo);
 645
 646         return node;
 647 }
 648
 649 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 650 {
 651         FILE *fp;
 652         const gchar *fname;
 653
 654         if (!partinfo) return;
 655
 656         fname = mimeview->file;
 657         if (!fname) return;
 658
 659         if ((fp = g_fopen(fname, "rb")) == NULL) {
 660                 FILE_OP_ERROR(fname, "fopen");
 661                 return;
 662         }
 663
 664         if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
 665                 FILE_OP_ERROR(mimeview->file, "fseek");
 666                 fclose(fp);
 667                 return;
 668         }
 669
 670         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 671         textview_show_part(mimeview->textview, partinfo, fp);
 672
 673         fclose(fp);
 674 }
 675
 676 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 677 {
 678         GSList *cur;
 679         MimeViewerFactory *factory = NULL;
 680         MimeViewer *viewer = NULL;
 681         gchar *real_contenttype = NULL;
 682
 683 /*
 684  * FNM_CASEFOLD is a GNU extension
 685  */
 686 #ifndef FNM_CASEFOLD
 687 #define FNM_CASEFOLD 0
 688         real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 689 #else
 690         real_contenttype = g_strdup(content_type);
 691 #endif
 692
 693         for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 694                 MimeViewerFactory *curfactory = cur->data;
 695                 gint i = 0;
 696
 697                 while (curfactory->content_types[i] != NULL) {
 698                         if(!fnmatch(curfactory->content_types[i], real_contenttype, FNM_CASEFOLD)) {
 699                                 debug_print("%s\n", curfactory->content_types[i]);
 700                                 factory = curfactory;
 701                                 break;
 702                         }
 703                         i++;
 704                 }
 705                 if (factory != NULL)
 706                         break;
 707         }
 708         g_free(real_contenttype);
 709         if (factory == NULL)
 710                 return NULL;
 711
 712         for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 713                 MimeViewer *curviewer = cur->data;
 714
 715                 if (curviewer->factory == factory)
 716                         return curviewer;
 717         }
 718         viewer = factory->create_viewer();
 719         gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 720                 GTK_WIDGET(viewer->get_widget(viewer)));
 721
 722         mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 723
 724         return viewer;
 725 }
 726
 727 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 728 {
 729         return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 730 }
 731
 732 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 733 {
 734         gchar *content_type = NULL;
 735         MimeViewer *viewer = NULL;
 736
 737         if ((partinfo->type == MIMETYPE_APPLICATION) &&
 738             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 739                 const gchar *filename;
 740
 741                 filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 742                 if (filename == NULL)
 743                         filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 744                 if (filename != NULL)
 745                         content_type = procmime_get_mime_type(filename);
 746         } else {
 747                 content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 748         }
 749
 750         if (content_type != NULL) {
 751                 viewer = get_viewer_for_content_type(mimeview, content_type);
 752                 g_free(content_type);
 753         }
 754
 755         return viewer;
 756 }
 757
 758 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 759 {
 760         MimeViewer *viewer;
 761
 762         if (mimeview->messageview->partial_display_shown) {
 763                 noticeview_hide(mimeview->messageview->noticeview);
 764                 mimeview->messageview->partial_display_shown = FALSE;
 765         }
 766
 767         viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 768         if (viewer == NULL) {
 769                 if (mimeview->mimeviewer != NULL)
 770                         mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 771                 mimeview->mimeviewer = NULL;
 772                 return FALSE;
 773         }
 774
 775         if (mimeview->mimeviewer != NULL)
 776                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 777
 778         if (mimeview->mimeviewer != viewer) {
 779                 mimeview->mimeviewer = viewer;
 780                 mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 781         }
 782         viewer->mimeview = mimeview;
 783         viewer->show_mimepart(viewer, mimeview->file, partinfo);
 784
 785         return TRUE;
 786 }
 787
 788 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 789 {
 790         TextView  *textview  = mimeview->textview;
 791         GtkWidget *focused = NULL;
 792
 793         if (mainwindow_get_mainwindow())
 794                 focused = gtkut_get_focused_child(
 795                                 GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 796
 797         if ((mimeview->type != MIMEVIEW_VIEWER) &&
 798             (mimeview->type == type)) return;
 799
 800         switch (type) {
 801         case MIMEVIEW_TEXT:
 802                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 803                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 804                         GTK_WIDGET_PTR(textview)));
 805                 break;
 806         case MIMEVIEW_VIEWER:
 807                 gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 808                         gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 809                         GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 810                 break;
 811         default:
 812                 return;
 813         }
 814         if (focused)
 815                 gtk_widget_grab_focus(focused);
 816         mimeview->type = type;
 817 }
 818
 819 void mimeview_clear(MimeView *mimeview)
 820 {
 821         GtkCMCList *clist = NULL;
 822
 823         if (!mimeview)
 824                 return;
 825
 826         if (g_slist_find(mimeviews, mimeview) == NULL)
 827                 return;
 828
 829         clist = GTK_CMCLIST(mimeview->ctree);
 830
 831         noticeview_hide(mimeview->siginfoview);
 832
 833         gtk_cmclist_clear(clist);
 834         textview_clear(mimeview->textview);
 835         if (mimeview->mimeviewer != NULL)
 836                 mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 837
 838         mimeview_free_mimeinfo(mimeview);
 839
 840         mimeview->mimeinfo = NULL;
 841
 842         mimeview->opened = NULL;
 843
 844         g_free(mimeview->file);
 845         mimeview->file = NULL;
 846
 847         icon_list_clear(mimeview);
 848         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 849 }
 850
 851 static void check_signature_cb(GtkWidget *widget, gpointer user_data);
 852 static void mimeview_check_signature(MimeView *mimeview);
 853 static void display_full_info_cb(GtkWidget *widget, gpointer user_data);
 854
 855 static void update_signature_noticeview(MimeView *mimeview, MimeInfo *mimeinfo,
 856                                         gboolean special, SignatureStatus code)
 857 {
 858         gchar *text = NULL, *button_text = NULL;
 859         void  *func = NULL;
 860         StockPixmap icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 861         SignatureStatus mycode = SIGNATURE_UNCHECKED;
 862
 863         cm_return_if_fail(mimeview != NULL);
 864         cm_return_if_fail(mimeinfo != NULL);
 865
 866         if (special)
 867                 mycode = code;
 868         else
 869                 mycode = privacy_mimeinfo_get_sig_status(mimeinfo);
 870
 871         switch (mycode) {
 872         case SIGNATURE_UNCHECKED:
 873                 button_text = _("Check signature");
 874                 func = check_signature_cb;
 875                 icon = STOCK_PIXMAP_PRIVACY_SIGNED;
 876                 break;
 877         case SIGNATURE_OK:
 878                 button_text = _("View full information");
 879                 func = display_full_info_cb;
 880                 icon = STOCK_PIXMAP_PRIVACY_PASSED;
 881                 break;
 882         case SIGNATURE_WARN:
 883                 button_text = _("View full information");
 884                 func = display_full_info_cb;
 885                 icon = STOCK_PIXMAP_PRIVACY_WARN;
 886                 break;
 887         case SIGNATURE_KEY_EXPIRED:
 888                 button_text = _("View full information");
 889                 func = display_full_info_cb;
 890                 icon = STOCK_PIXMAP_PRIVACY_EXPIRED;
 891                 break;
 892         case SIGNATURE_INVALID:
 893                 button_text = _("View full information");
 894                 func = display_full_info_cb;
 895                 icon = STOCK_PIXMAP_PRIVACY_FAILED;
 896                 break;
 897         case SIGNATURE_CHECK_FAILED:
 898                 button_text = _("Check again");
 899                 func = check_signature_cb;
 900                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 901         case SIGNATURE_CHECK_TIMEOUT:
 902                 button_text = _("Check again");
 903                 func = check_signature_cb;
 904                 icon = STOCK_PIXMAP_PRIVACY_UNKNOWN;
 905         default:
 906                 break;
 907         }
 908         if (mycode == SIGNATURE_UNCHECKED) {
 909                 gchar *tmp = privacy_mimeinfo_sig_info_short(mimeinfo);
 910                 text = g_strdup_printf("%s %s",
 911                         tmp, _("Click the icon or hit 'C' to check it."));
 912                 g_free(tmp);
 913         } else if (mycode != SIGNATURE_CHECK_TIMEOUT) {
 914                 text = privacy_mimeinfo_sig_info_short(mimeinfo);
 915         } else if (mycode == SIGNATURE_CHECK_TIMEOUT) {
 916                 text = g_strdup(_("Timeout checking the signature. Click the icon or hit 'C' to try again."));
 917         }
 918
 919         noticeview_set_text(mimeview->siginfoview, text);
 920         gtk_label_set_selectable(GTK_LABEL(mimeview->siginfoview->text), TRUE);
 921
 922         g_free(text);
 923         noticeview_set_button_text(mimeview->siginfoview, NULL);
 924         noticeview_set_button_press_callback(
 925                 mimeview->siginfoview,
 926                 G_CALLBACK(func),
 927                 (gpointer) mimeview);
 928         noticeview_set_icon(mimeview->siginfoview, icon);
 929         noticeview_set_tooltip(mimeview->siginfoview, button_text);
 930 }
 931
 932 #ifdef USE_PTHREAD
 933
 934 /* reset all thread stuff, and do the cleanups we've been left to do */
 935 static void mimeview_check_data_reset(MimeView *mimeview)
 936 {
 937         if (!mimeview->check_data)
 938                 return;
 939
 940         if (mimeview->check_data->free_after_use) {
 941                 debug_print("freeing deferred mimeinfo\n");
 942                 procmime_mimeinfo_free_all(mimeview->check_data->siginfo);
 943         }
 944         if (mimeview->check_data->destroy_mimeview) {
 945                 debug_print("freeing deferred mimeview\n");
 946                 g_free(mimeview->file);
 947                 g_free(mimeview);
 948                 mimeviews = g_slist_remove(mimeviews, mimeview);
 949         }
 950
 951         g_free(mimeview->check_data);
 952         mimeview->check_data = NULL;
 953 }
 954
 955 /* GUI update once the checker thread is done or killed */
 956 static gboolean mimeview_check_sig_thread_cb(void *data)
 957 {
 958         MimeView *mimeview = (MimeView *) data;
 959         MimeInfo *mimeinfo = mimeview->siginfo;
 960
 961         debug_print("mimeview_check_sig_thread_cb\n");
 962
 963         if (mimeinfo == NULL) {
 964                 /* message changed !? */
 965                 g_warning("no more siginfo!\n");
 966                 goto end;
 967         }
 968
 969         if (!mimeview->check_data) {
 970                 g_warning("nothing to check\n");
 971                 return FALSE;
 972         }
 973
 974         if (mimeview->check_data->siginfo != mimeinfo) {
 975                 /* message changed !? */
 976                 g_warning("different siginfo!\n");
 977                 goto end;
 978         }
 979
 980         if (mimeview->check_data->destroy_mimeview ||
 981             mimeview->check_data->free_after_use) {
 982                 debug_print("not bothering, we're changing message\n");
 983                 goto end;
 984         }
 985
 986         /* update status */
 987         if (mimeview->check_data->timeout)
 988                 update_signature_noticeview(mimeview, mimeview->siginfo,
 989                         TRUE, SIGNATURE_CHECK_TIMEOUT);
 990         else
 991                 update_signature_noticeview(mimeview, mimeview->siginfo,
 992                         FALSE, 0);
 993         icon_list_clear(mimeview);
 994         icon_list_create(mimeview, mimeview->mimeinfo);
 995
 996 end:
 997         mimeview_check_data_reset(mimeview);
 998         return FALSE;
 999 }
1000
1001 /* sig checker thread */
1002 static void *mimeview_check_sig_worker_thread(void *data)
1003 {
1004         MimeView *mimeview = (MimeView *)data;
1005         MimeInfo *mimeinfo = mimeview->siginfo;
1006
1007         debug_print("checking...\n");
1008
1009         if (!mimeview->check_data)
1010                 return NULL;
1011
1012         if (mimeinfo && mimeinfo == mimeview->check_data->siginfo)
1013                 privacy_mimeinfo_check_signature(mimeinfo);
1014         else {
1015                 /* that's strange! we changed message without
1016                  * getting killed. */
1017                 g_warning("different siginfo!\n");
1018                 mimeview_check_data_reset(mimeview);
1019                 return NULL;
1020         }
1021
1022         /* use g_timeout so that GUI updates is done from the
1023          * correct thread */
1024         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1025
1026         return NULL;
1027 }
1028
1029 /* killer thread - acts when the checker didn't work fast
1030  * enough. */
1031 static void *mimeview_check_sig_cancel_thread(void *data)
1032 {
1033         MimeView *mimeview = (MimeView *)data;
1034
1035         if (!mimeview->check_data)
1036                 return NULL; /* nothing to kill ! */
1037
1038         /* wait for a few seconds... */
1039         debug_print("waiting a while\n");
1040
1041         sleep(5);
1042
1043         if (!mimeview->check_data)
1044                 return NULL; /* nothing to kill, it's done in time :) */
1045
1046         /* too late, go away checker thread */
1047         debug_print("killing checker thread\n");
1048         pthread_cancel(mimeview->check_data->th);
1049
1050         /* tell upstream it was a timeout */
1051         mimeview->check_data->timeout = TRUE;
1052         /* use g_timeout so that GUI updates is done from the
1053          * correct thread */
1054         g_timeout_add(0,mimeview_check_sig_thread_cb,mimeview);
1055
1056         return NULL;
1057 }
1058
1059 /* get rid of the checker thread right now - used when changing the
1060  * displayed message for example. */
1061 static void mimeview_check_sig_cancel_now(MimeView *mimeview)
1062 {
1063         if (!mimeview->check_data)
1064                 return;
1065         debug_print("killing checker thread NOW\n");
1066         pthread_cancel(mimeview->check_data->th);
1067
1068         /* tell upstream it was a timeout */
1069         mimeview->check_data->timeout = TRUE;
1070         mimeview_check_sig_thread_cb(mimeview);
1071         return;
1072 }
1073
1074 /* creates a thread to check the signature, and a second one
1075  * to kill the first one after a timeout */
1076 static void mimeview_check_sig_in_thread(MimeView *mimeview)
1077 {
1078         pthread_t th, th2;
1079         pthread_attr_t detach, detach2;
1080
1081         if (mimeview->check_data) {
1082                 g_warning("already checking it");
1083                 return;
1084         }
1085
1086         mimeview->check_data = g_new0(SigCheckData, 1);
1087         mimeview->check_data->siginfo = mimeview->siginfo;
1088         debug_print("creating thread\n");
1089
1090         /* init thread attributes and create the checker thread */
1091         if (pthread_attr_init(&detach) != 0 ||
1092             pthread_attr_setdetachstate(&detach, PTHREAD_CREATE_DETACHED) != 0 ||
1093             pthread_attr_init(&detach2) != 0 ||
1094             pthread_attr_setdetachstate(&detach2, PTHREAD_CREATE_DETACHED) != 0 ||
1095             pthread_create(&th, &detach,
1096                         mimeview_check_sig_worker_thread,
1097                         mimeview) != 0) {
1098                 /* arh. We'll do it synchronously. */
1099                 g_warning("can't create thread");
1100                 g_free(mimeview->check_data);
1101                 mimeview->check_data = NULL;
1102                 return;
1103         } else
1104                 mimeview->check_data->th = th;
1105
1106         /* create the killer thread */
1107         pthread_create(&th2, &detach2,
1108                         mimeview_check_sig_cancel_thread,
1109                         mimeview);
1110 }
1111 #endif
1112
1113 static void check_signature_cb(GtkWidget *widget, gpointer user_data)
1114 {
1115         MimeView *mimeview = (MimeView *) user_data;
1116         MimeInfo *mimeinfo = mimeview->siginfo;
1117
1118         if (mimeinfo == NULL)
1119                 return;
1120 #ifdef USE_PTHREAD
1121         if (mimeview->check_data)
1122                 return;
1123 #endif
1124         noticeview_set_text(mimeview->siginfoview, _("Checking signature..."));
1125         GTK_EVENTS_FLUSH();
1126 #ifdef USE_PTHREAD
1127         /* let's do it non-blocking */
1128         mimeview_check_sig_in_thread(mimeview);
1129         if (!mimeview->check_data) /* let's check syncronously */
1130 #endif
1131         {
1132                 debug_print("checking without thread\n");
1133                 privacy_mimeinfo_check_signature(mimeinfo);
1134                 update_signature_noticeview(mimeview, mimeview->siginfo, FALSE, 0);
1135                 icon_list_clear(mimeview);
1136                 icon_list_create(mimeview, mimeview->mimeinfo);
1137         }
1138 }
1139
1140 static void mimeview_check_signature(MimeView *mimeview)
1141 {
1142         check_signature_cb(NULL, mimeview);
1143 }
1144
1145 static void redisplay_email(GtkWidget *widget, gpointer user_data)
1146 {
1147         MimeView *mimeview = (MimeView *) user_data;
1148         GtkCMCTreeNode *node = mimeview->opened;
1149         mimeview->opened = NULL;
1150         mimeview_selected(GTK_CMCTREE(mimeview->ctree), node, 0, mimeview);
1151 }
1152
1153 static void display_full_info_cb(GtkWidget *widget, gpointer user_data)
1154 {
1155         MimeView *mimeview = (MimeView *) user_data;
1156         gchar *siginfo;
1157
1158         siginfo = privacy_mimeinfo_sig_info_full(mimeview->siginfo);
1159         textview_set_text(mimeview->textview, siginfo);
1160         g_free(siginfo);
1161         noticeview_set_button_text(mimeview->siginfoview, NULL);
1162         noticeview_set_button_press_callback(
1163                 mimeview->siginfoview,
1164                 G_CALLBACK(redisplay_email),
1165                 (gpointer) mimeview);
1166         noticeview_set_tooltip(mimeview->siginfoview, _("Go back to email"));
1167 }
1168
1169 static void update_signature_info(MimeView *mimeview, MimeInfo *selected)
1170 {
1171         MimeInfo *siginfo;
1172         MimeInfo *first_text;
1173
1174         cm_return_if_fail(mimeview != NULL);
1175         cm_return_if_fail(selected != NULL);
1176
1177         if (selected->type == MIMETYPE_MESSAGE
1178         &&  !g_ascii_strcasecmp(selected->subtype, "rfc822")) {
1179                 /* if the first text part is signed, check that */
1180                 first_text = selected;
1181                 while (first_text && first_text->type != MIMETYPE_TEXT) {
1182                         first_text = procmime_mimeinfo_next(first_text);
1183                 }
1184                 if (first_text) {
1185                         update_signature_info(mimeview, first_text);
1186                         return;
1187                 }
1188         }
1189
1190         siginfo = selected;
1191         while (siginfo != NULL) {
1192                 if (privacy_mimeinfo_is_signed(siginfo))
1193                         break;
1194                 siginfo = procmime_mimeinfo_parent(siginfo);
1195         }
1196         mimeview->siginfo = siginfo;
1197
1198         if (siginfo == NULL) {
1199                 noticeview_hide(mimeview->siginfoview);
1200                 return;
1201         }
1202
1203         update_signature_noticeview(mimeview, siginfo, FALSE, 0);
1204         noticeview_show(mimeview->siginfoview);
1205 }
1206
1207 static void mimeview_selected(GtkCMCTree *ctree, GtkCMCTreeNode *node, gint column,
1208                               MimeView *mimeview)
1209 {
1210         MimeInfo *partinfo;
1211         if (mimeview->opened == node) return;
1212         mimeview->opened = node;
1213         mimeview->spec_part = NULL;
1214         gtk_cmctree_node_moveto(ctree, node, -1, 0.5, 0);
1215
1216         partinfo = gtk_cmctree_node_get_row_data(ctree, node);
1217         if (!partinfo) return;
1218
1219         /* ungrab the mouse event */
1220         if (GTK_WIDGET_HAS_GRAB(ctree)) {
1221                 gtk_grab_remove(GTK_WIDGET(ctree));
1222                 if (gdk_pointer_is_grabbed())
1223                         gdk_pointer_ungrab(GDK_CURRENT_TIME);
1224         }
1225
1226         mimeview->textview->default_text = FALSE;
1227
1228         update_signature_info(mimeview, partinfo);
1229
1230         if (!mimeview_show_part(mimeview, partinfo)) {
1231                 switch (partinfo->type) {
1232                 case MIMETYPE_TEXT:
1233                 case MIMETYPE_MESSAGE:
1234                 case MIMETYPE_MULTIPART:
1235                         mimeview_show_message_part(mimeview, partinfo);
1236
1237                         break;
1238                 default:
1239                         mimeview->textview->default_text = TRUE;
1240                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
1241                         textview_clear(mimeview->textview);
1242                         textview_show_mime_part(mimeview->textview, partinfo);
1243                         break;
1244                 }
1245         }
1246 }
1247
1248 static void mimeview_start_drag(GtkWidget *widget, gint button,
1249                                 GdkEvent *event, MimeView *mimeview)
1250 {
1251         GdkDragContext *context;
1252         MimeInfo *partinfo;
1253
1254         cm_return_if_fail(mimeview != NULL);
1255
1256         partinfo = mimeview_get_selected_part(mimeview);
1257         if (partinfo->disposition == DISPOSITIONTYPE_INLINE) return;
1258
1259         context = gtk_drag_begin(widget, mimeview->target_list,
1260                                  GDK_ACTION_COPY, button, event);
1261         gtk_drag_set_icon_default(context);
1262 }
1263
1264 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
1265                                     MimeView *mimeview)
1266 {
1267         GtkCMCList *clist = GTK_CMCLIST(widget);
1268         gint row, column;
1269
1270         if (!event) return FALSE;
1271
1272         if (event->button == 2 || event->button == 3) {
1273                 if (!gtk_cmclist_get_selection_info(clist, event->x, event->y,
1274                                                   &row, &column))
1275                         return FALSE;
1276                 gtk_cmclist_unselect_all(clist);
1277                 gtk_cmclist_select_row(clist, row, column);
1278                 gtkut_clist_set_focus_row(clist, row);
1279         }
1280         part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
1281
1282         return FALSE;
1283 }
1284
1285 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
1286                                     MimeView *mimeview)
1287 {
1288         GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
1289         if (event->direction == GDK_SCROLL_UP) {
1290                 scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
1291         } else {
1292                 scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
1293         }
1294         gtk_vscrollbutton_scroll(scrollbutton);
1295         return TRUE;
1296 }
1297
1298 /* from gdkevents.c */
1299 #define DOUBLE_CLICK_TIME 250
1300
1301 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
1302                                     MimeInfo *partinfo)
1303 {
1304         static MimeInfo *lastinfo;
1305         static guint32 lasttime;
1306
1307         if (event->button == 2 ||
1308             (event->button == 1 && (event->time - lasttime) < DOUBLE_CLICK_TIME && lastinfo == partinfo)) {
1309                 /* call external program for image, audio or html */
1310                 mimeview_launch(mimeview, partinfo);
1311                 return TRUE;
1312         } else if (event->button == 3) {
1313                 if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
1314                                  partinfo->type == MIMETYPE_IMAGE ||
1315                                  partinfo->type == MIMETYPE_MULTIPART))
1316                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
1317                 else
1318                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
1319 #ifndef G_OS_WIN32
1320                 if (partinfo &&
1321                     partinfo->type == MIMETYPE_APPLICATION &&
1322                     !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
1323                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
1324                 else
1325 #endif
1326                         cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
1327
1328                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1329                                   "pop_partinfo", partinfo);
1330
1331                 gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
1332                                NULL, NULL, NULL, NULL,
1333                                event->button, event->time);
1334                 return TRUE;
1335         }
1336
1337         lastinfo = partinfo;
1338         lasttime = event->time;
1339         return FALSE;
1340 }
1341
1342
1343 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
1344 {
1345         mimeview_key_pressed(mimeview->ctree, event, mimeview);
1346 }
1347
1348 static void mimeview_select_next_part(MimeView *mimeview)
1349 {
1350         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
1351         GtkCMCTreeNode *node = mimeview->opened;
1352         MimeInfo *partinfo = NULL;
1353
1354 skip:
1355         node = GTK_CMCTREE_NODE_NEXT(node);
1356         if (!node)
1357                 node = gtk_cmctree_node_nth(GTK_CMCTREE(ctree), 0);
1358
1359         if (node) {
1360                 partinfo = gtk_cmctree_node_get_row_data(ctree, node);
1361                 if (partinfo->type == MIMETYPE_MULTIPART)
1362                         goto skip;
1363                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1364                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1365                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1366         }
1367 }
1368
1369 static void mimeview_select_prev_part(MimeView *mimeview)
1370 {
1371         GtkCMCTree *ctree = GTK_CMCTREE(mimeview->ctree);
1372         GtkCMCTreeNode *node = mimeview->opened;
1373         MimeInfo *partinfo = NULL;
1374
1375 skip:
1376         node = GTK_CMCTREE_NODE_PREV(node);
1377         if (!node)
1378                 node = gtk_cmctree_node_nth(GTK_CMCTREE(ctree), GTK_CMCLIST(ctree)->rows - 1);
1379
1380         if (node) {
1381                 partinfo = gtk_cmctree_node_get_row_data(ctree, node);
1382                 if (partinfo->type == MIMETYPE_MULTIPART)
1383                         goto skip;
1384                 gtk_sctree_unselect_all(GTK_SCTREE(ctree));
1385                 gtk_sctree_select(GTK_SCTREE(ctree), node);
1386                 icon_list_toggle_by_mime_info(mimeview, partinfo);
1387         }
1388 }
1389
1390 #define BREAK_ON_MODIFIER_KEY() \
1391         if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
1392
1393 #define KEY_PRESS_EVENT_STOP() \
1394         g_signal_stop_emission_by_name(G_OBJECT(ctree), \
1395                                        "key_press_event");
1396
1397 static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
1398                                  MimeView *mimeview)
1399 {
1400         SummaryView *summaryview;
1401         GtkCMCTree *ctree = GTK_CMCTREE(widget);
1402
1403         if (!event) return FALSE;
1404         if (!mimeview->opened) return FALSE;
1405
1406         summaryview = mimeview->messageview->mainwin->summaryview;
1407
1408         if (summaryview && quicksearch_has_focus(summaryview->quicksearch))
1409                 return FALSE;
1410
1411         switch (event->keyval) {
1412         case GDK_space:
1413                 if (mimeview_scroll_page(mimeview, FALSE))
1414                         return TRUE;
1415
1416                 mimeview_select_next_part(mimeview);
1417                 return TRUE;
1418
1419         case GDK_BackSpace:
1420                 mimeview_scroll_page(mimeview, TRUE);
1421                 return TRUE;
1422         case GDK_Return:
1423         case GDK_KP_Enter:
1424                 mimeview_scroll_one_line(mimeview,
1425                                          (event->state & GDK_MOD1_MASK) != 0);
1426                 return TRUE;
1427         case GDK_n:
1428         case GDK_N:
1429                 BREAK_ON_MODIFIER_KEY();
1430                 mimeview_select_next_part(mimeview);
1431                 return TRUE;
1432
1433         case GDK_p:
1434         case GDK_P:
1435                 BREAK_ON_MODIFIER_KEY();
1436                 mimeview_select_prev_part(mimeview);
1437                 return TRUE;
1438
1439         case GDK_y:
1440                 BREAK_ON_MODIFIER_KEY();
1441                 KEY_PRESS_EVENT_STOP();
1442                 mimeview_save_as(mimeview);
1443                 return TRUE;
1444         case GDK_t:
1445                 BREAK_ON_MODIFIER_KEY();
1446                 KEY_PRESS_EVENT_STOP();
1447                 mimeview_display_as_text(mimeview);
1448                 return TRUE;
1449         case GDK_l:
1450                 BREAK_ON_MODIFIER_KEY();
1451                 KEY_PRESS_EVENT_STOP();
1452                 mimeview_launch(mimeview, NULL);
1453                 return TRUE;
1454         case GDK_o:
1455                 BREAK_ON_MODIFIER_KEY();
1456                 KEY_PRESS_EVENT_STOP();
1457 #ifndef G_OS_WIN32
1458                 mimeview_open_with(mimeview);
1459 #endif
1460                 return TRUE;
1461         case GDK_c:
1462                 BREAK_ON_MODIFIER_KEY();
1463                 KEY_PRESS_EVENT_STOP();
1464                 mimeview_check_signature(mimeview);
1465                 return TRUE;
1466         case GDK_a:
1467                 BREAK_ON_MODIFIER_KEY();
1468                 KEY_PRESS_EVENT_STOP();
1469                 mimeview_select_next_part(mimeview);
1470                 return TRUE;
1471         default:
1472                 break;
1473         }
1474
1475         if (!mimeview->messageview->mainwin) return FALSE;
1476
1477         summary_pass_key_press_event(summaryview, event);
1478         return TRUE;
1479 }
1480
1481 static void mimeview_drag_data_get(GtkWidget        *widget,
1482                                    GdkDragContext   *drag_context,
1483                                    GtkSelectionData *selection_data,
1484                                    guint             info,
1485                                    guint             time,
1486                                    MimeView         *mimeview)
1487 {
1488         gchar *filename = NULL, *uriname, *tmp;
1489         MimeInfo *partinfo;
1490         gint err;
1491         gint count = 0;
1492
1493         if (!mimeview->opened) return;
1494         if (!mimeview->file) return;
1495
1496         partinfo = mimeview_get_selected_part(mimeview);
1497         if (!partinfo) return;
1498
1499         if (strlen(get_part_name(partinfo)) > 0) {
1500                 filename = g_path_get_basename(get_part_name(partinfo));
1501                 if (*filename == '\0') return;
1502         } else if (partinfo->type == MIMETYPE_MESSAGE
1503                    && !g_ascii_strcasecmp(partinfo->subtype, "rfc822")) {
1504                 gchar *name = NULL;
1505                 GPtrArray *headers = NULL;
1506                 FILE *fp;
1507
1508                 fp = g_fopen(partinfo->data.filename, "rb");
1509                 fseek(fp, partinfo->offset, SEEK_SET);
1510                 headers = procheader_get_header_array_asis(fp);
1511                 if (headers) {
1512                         gint i;
1513                         for (i = 0; i < headers->len; i++) {
1514                                 Header *header = g_ptr_array_index(headers, i);
1515                                 if (procheader_headername_equal(header->name, "Subject")) {
1516                                         unfold_line(header->body);
1517                                         name = g_strconcat(header->body, ".txt", NULL);
1518                                         subst_for_filename(name);
1519                                 }
1520                         }
1521                         procheader_header_array_destroy(headers);
1522                 }
1523                 fclose(fp);
1524                 if (name)
1525                         filename = g_path_get_basename(name);
1526                 g_free(name);
1527         }
1528         if (filename == NULL)
1529                 filename = g_path_get_basename("Unnamed part");
1530
1531         if (!g_utf8_validate(filename, -1, NULL))
1532                 tmp = conv_codeset_strdup(filename,
1533                                 conv_get_locale_charset_str(),
1534                                 CS_UTF_8);
1535         else
1536                 tmp = g_strdup(filename);
1537
1538         if (tmp == NULL) {
1539                 g_warning("filename not in UTF-8");
1540                 tmp = g_strdup("Unnamed part");
1541         }
1542         filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1543                                tmp, NULL);
1544
1545 check_new_file:
1546         if (is_file_exist(filename)) {
1547                 gchar *ext = NULL;
1548                 gchar *prefix = NULL;
1549                 gchar *new_name = NULL;
1550                 if (strrchr(tmp, '.')) {
1551                         prefix = g_strdup(tmp);
1552                         ext = g_strdup(strrchr(tmp, '.'));
1553                         *(strrchr(prefix, '.')) = '\0';
1554                 } else {
1555                         prefix = g_strdup(tmp);
1556                         ext = g_strdup("");
1557                 }
1558                 count++;
1559                 new_name = g_strdup_printf("%s.%d%s", prefix, count, ext);
1560                 g_free(prefix);
1561                 g_free(ext);
1562                 g_free(filename);
1563                 filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
1564                                new_name, NULL);
1565                 g_free(new_name);
1566                 goto check_new_file;
1567         }
1568
1569         g_free(tmp);
1570
1571         if ((err = procmime_get_part(filename, partinfo)) < 0)
1572                 alertpanel_error
1573                         (_("Couldn't save the part of multipart message: %s"),
1574                                 strerror(-err));
1575
1576         tmp = g_filename_to_uri(filename, NULL, NULL);
1577         uriname = g_strconcat(tmp, "\r\n", NULL);
1578         g_free(tmp);
1579
1580         gtk_selection_data_set(selection_data, selection_data->target, 8,
1581                                (guchar *)uriname, strlen(uriname));
1582
1583         g_free(uriname);
1584         g_free(filename);
1585 }
1586
1587 /**
1588  * Returns a filename (with path) for an attachment
1589  * \param partinfo The attachment to save
1590  * \param basedir The target directory
1591  * \param number Used for dummy filename if attachment is unnamed
1592  */
1593 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
1594                                       const gchar *basedir,
1595                                       gint number)
1596 {
1597         gchar *fullname;
1598         gchar *filename;
1599
1600         filename = g_strdup(get_part_name(partinfo));
1601         if (!filename || !*filename)
1602                 filename = g_strdup_printf("noname.%d", number);
1603
1604         if (!g_utf8_validate(filename, -1, NULL)) {
1605                 gchar *tmp = conv_filename_to_utf8(filename);
1606                 g_free(filename);
1607                 filename = tmp;
1608         }
1609
1610         subst_for_filename(filename);
1611
1612         fullname = g_strconcat
1613                 (basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
1614                  ? &filename[1] : filename, NULL);
1615
1616         g_free(filename);
1617         filename = conv_filename_from_utf8(fullname);
1618         g_free(fullname);
1619         return filename;
1620 }
1621
1622 /**
1623  * Write a single attachment to file
1624  * \param filename Filename with path
1625  * \param partinfo Attachment to save
1626  */
1627 static gboolean mimeview_write_part(const gchar *filename,
1628                                     MimeInfo *partinfo)
1629 {
1630         gchar *dir;
1631         gint err;
1632
1633         dir= g_path_get_dirname(filename);
1634         if (!is_dir_exist(dir))
1635                 make_dir_hier(dir);
1636         g_free(dir);
1637
1638         if (is_file_exist(filename)) {
1639                 AlertValue aval;
1640                 gchar *res;
1641                 gchar *tmp;
1642
1643                 if (!g_utf8_validate(filename, -1, NULL))
1644                         tmp = conv_filename_to_utf8(filename);
1645                 else
1646                         tmp = g_strdup(filename);
1647
1648                 res = g_strdup_printf(_("Overwrite existing file '%s'?"),
1649                                       tmp);
1650                 g_free(tmp);
1651                 aval = alertpanel(_("Overwrite"), res, GTK_STOCK_CANCEL,
1652                                   GTK_STOCK_OK, NULL);
1653                 g_free(res);
1654                 if (G_ALERTALTERNATE != aval) return FALSE;
1655         }
1656
1657         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1658                 alertpanel_error
1659                         (_("Couldn't save the part of multipart message: %s"),
1660                                 strerror(-err));
1661                 return FALSE;
1662         }
1663
1664         return TRUE;
1665 }
1666
1667 /**
1668  * Menu callback: Save all attached files
1669  * \param mimeview Current display
1670  */
1671 static void mimeview_save_all(MimeView *mimeview)
1672 {
1673         MimeInfo *partinfo;
1674         gchar *dirname;
1675         gchar *startdir = NULL;
1676         gint number = 1;
1677
1678         if (!mimeview->opened) return;
1679         if (!mimeview->file) return;
1680         if (!mimeview->mimeinfo) return;
1681
1682         partinfo = mimeview->mimeinfo;
1683         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1684                 startdir = g_strconcat(prefs_common.attach_save_dir,
1685                                        G_DIR_SEPARATOR_S, NULL);
1686         else
1687                 startdir = g_strdup(get_home_dir());
1688
1689         dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
1690         if (!dirname) {
1691                 g_free(startdir);
1692                 return;
1693         }
1694
1695         if (!is_dir_exist (dirname)) {
1696                 alertpanel_error(_("'%s' is not a directory."),
1697                                  dirname);
1698                 g_free(startdir);
1699                 g_free(dirname);
1700                 return;
1701         }
1702
1703         if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
1704                 dirname[strlen(dirname)-1] = '\0';
1705
1706         /* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
1707         if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
1708                 partinfo = procmime_mimeinfo_next(partinfo);
1709         if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
1710                 partinfo = procmime_mimeinfo_next(partinfo);
1711                 if (partinfo && partinfo->type == MIMETYPE_TEXT)
1712                         partinfo = procmime_mimeinfo_next(partinfo);
1713         }
1714
1715         while (partinfo != NULL) {
1716                 if (partinfo->type != MIMETYPE_MESSAGE &&
1717                     partinfo->type != MIMETYPE_MULTIPART &&
1718                     (partinfo->disposition != DISPOSITIONTYPE_INLINE
1719                      || get_real_part_name(partinfo) != NULL)) {
1720                         gchar *filename = mimeview_get_filename_for_part
1721                                 (partinfo, dirname, number++);
1722
1723                         mimeview_write_part(filename, partinfo);
1724                         g_free(filename);
1725                 }
1726                 partinfo = procmime_mimeinfo_next(partinfo);
1727         }
1728
1729         g_free(prefs_common.attach_save_dir);
1730         g_free(startdir);
1731         prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
1732                                         -1, NULL, NULL, NULL);
1733         g_free(dirname);
1734 }
1735
1736 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
1737 {
1738         MimeInfo *partinfo = NULL;
1739         if (mimeview->spec_part) {
1740                 partinfo = mimeview->spec_part;
1741                 mimeview->spec_part = NULL;
1742         } else {
1743                 partinfo = (MimeInfo *) g_object_get_data
1744                          (G_OBJECT(mimeview->popupmenu),
1745                          "pop_partinfo");
1746                 g_object_set_data(G_OBJECT(mimeview->popupmenu),
1747                                   "pop_partinfo", NULL);
1748                 if (!partinfo) {
1749                         partinfo = mimeview_get_selected_part(mimeview);
1750                 }
1751         }
1752
1753         return partinfo;
1754 }
1755 /**
1756  * Menu callback: Save the selected attachment
1757  * \param mimeview Current display
1758  */
1759 static void mimeview_save_as(MimeView *mimeview)
1760 {
1761         gchar *filename;
1762         gchar *filepath = NULL;
1763         gchar *filedir = NULL;
1764         MimeInfo *partinfo;
1765         gchar *partname = NULL;
1766
1767         if (!mimeview->opened) return;
1768         if (!mimeview->file) return;
1769
1770         partinfo = mimeview_get_part_to_use(mimeview);
1771
1772         cm_return_if_fail(partinfo != NULL);
1773
1774         if (get_part_name(partinfo) == NULL) {
1775                 return;
1776         }
1777         partname = g_strdup(get_part_name(partinfo));
1778
1779         if (!g_utf8_validate(partname, -1, NULL)) {
1780                 gchar *tmp = conv_filename_to_utf8(partname);
1781                 if (!tmp) {
1782                         tmp = conv_codeset_strdup(partname,
1783                                 conv_get_locale_charset_str(),
1784                                 CS_UTF_8);
1785                 }
1786                 if (tmp) {
1787                         g_free(partname);
1788                         partname = tmp;
1789                 }
1790         }
1791
1792         subst_for_filename(partname);
1793
1794         if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
1795                 filepath = g_strconcat(prefs_common.attach_save_dir,
1796                                        G_DIR_SEPARATOR_S, partname, NULL);
1797         else
1798                 filepath = g_strdup(partname);
1799
1800         g_free(partname);
1801
1802         filename = filesel_select_file_save(_("Save as"), filepath);
1803         if (!filename) {
1804                 g_free(filepath);
1805                 return;
1806         }
1807
1808         mimeview_write_part(filename, partinfo);
1809
1810         filedir = g_path_get_dirname(filename);
1811         if (filedir && strcmp(filedir, ".")) {
1812                 g_free(prefs_common.attach_save_dir);
1813                 prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
1814         }
1815
1816         g_free(filedir);
1817         g_free(filepath);
1818 }
1819
1820 static void mimeview_display_as_text(MimeView *mimeview)
1821 {
1822         MimeInfo *partinfo;
1823
1824         if (!mimeview->opened) return;
1825
1826         partinfo = mimeview_get_part_to_use(mimeview);
1827         mimeview_select_mimepart_icon(mimeview, partinfo);
1828         cm_return_if_fail(partinfo != NULL);
1829         mimeview_show_message_part(mimeview, partinfo);
1830 }
1831
1832 static void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
1833 {
1834         gchar *filename;
1835         gint err;
1836
1837         if (!mimeview->opened) return;
1838         if (!mimeview->file) return;
1839
1840         if (!partinfo)
1841                 partinfo = mimeview_get_part_to_use(mimeview);
1842
1843         cm_return_if_fail(partinfo != NULL);
1844
1845         filename = procmime_get_tmp_file_name(partinfo);
1846
1847         if ((err = procmime_get_part(filename, partinfo)) < 0)
1848                 alertpanel_error
1849                         (_("Couldn't save the part of multipart message: %s"),
1850                                 strerror(-err));
1851         else
1852                 mimeview_view_file(filename, partinfo, NULL, mimeview);
1853
1854         g_free(filename);
1855 }
1856
1857 #ifndef G_OS_WIN32
1858 static void mimeview_open_with(MimeView *mimeview)
1859 {
1860         MimeInfo *partinfo;
1861
1862         if (!mimeview) return;
1863         if (!mimeview->opened) return;
1864         if (!mimeview->file) return;
1865
1866         partinfo = mimeview_get_part_to_use(mimeview);
1867
1868         mimeview_open_part_with(mimeview, partinfo, FALSE);
1869 }
1870
1871 #ifdef MAEMO
1872 osso_context_t *get_osso_context(void);
1873 #endif
1874 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
1875 {
1876         gchar *filename;
1877         gchar *cmd;
1878         gchar *mime_command = NULL;
1879         gchar *content_type = NULL;
1880         gint err;
1881 #ifdef MAEMO
1882         DBusConnection *dbusconn;
1883         gchar *uri;
1884         int r = 0;
1885 #endif
1886         cm_return_if_fail(partinfo != NULL);
1887
1888         filename = procmime_get_tmp_file_name(partinfo);
1889
1890         if ((err = procmime_get_part(filename, partinfo)) < 0) {
1891                 alertpanel_error
1892                         (_("Couldn't save the part of multipart message: %s"),
1893                                 strerror(-err));
1894                 g_free(filename);
1895                 return;
1896         }
1897
1898         if (!prefs_common.mime_open_cmd_history)
1899                 prefs_common.mime_open_cmd_history =
1900                         add_history(NULL, prefs_common.mime_open_cmd);
1901
1902         if ((partinfo->type == MIMETYPE_APPLICATION) &&
1903             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
1904                 /* guess content-type from filename */
1905                 content_type = procmime_get_mime_type(filename);
1906         }
1907         if (content_type == NULL) {
1908                 content_type = procmime_get_content_type_str(partinfo->type,
1909                         partinfo->subtype);
1910         }
1911
1912 #ifdef MAEMO
1913         if (content_type != NULL) {
1914                 uri = g_filename_to_uri(filename, NULL, NULL);
1915                 dbusconn = osso_get_dbus_connection (get_osso_context());
1916 #ifdef CHINOOK
1917                 r = hildon_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1918 #else
1919                 r = osso_mime_open_file_with_mime_type (dbusconn, uri, content_type);
1920 #endif
1921                 g_free(uri);
1922         }
1923         if (r != 1) {
1924                 alertpanel_error(_("No registered viewer for this file type."));
1925         }
1926         goto out;
1927 #endif
1928
1929         if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
1930         && prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
1931                 mime_command = g_strdup(prefs_common_get_uri_cmd());
1932                 g_free(content_type);
1933                 content_type = NULL;
1934         } else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
1935         ||  !prefs_common_get_ext_editor_cmd()[0]) {
1936                 mime_command = mailcap_get_command_for_type(content_type, filename);
1937         } else {
1938                 mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
1939                 g_free(content_type);
1940                 content_type = NULL;
1941         }
1942         if (mime_command == NULL) {
1943                 /* try with extension this time */
1944                 g_free(content_type);
1945                 content_type = procmime_get_mime_type(filename);
1946                 mime_command = mailcap_get_command_for_type(content_type, filename);
1947         }
1948
1949         if (mime_command == NULL)
1950                 automatic = FALSE;
1951
1952         if (!automatic) {
1953                 gboolean remember = FALSE;
1954                 if (content_type != NULL)
1955                         cmd = input_dialog_combo_remember
1956                                 (_("Open with"),
1957                                  _("Enter the command-line to open file:\n"
1958                                    "('%s' will be replaced with file name)"),
1959                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1960                                  prefs_common.mime_open_cmd_history, &remember);
1961                 else
1962                         cmd = input_dialog_combo
1963                                 (_("Open with"),
1964                                  _("Enter the command-line to open file:\n"
1965                                    "('%s' will be replaced with file name)"),
1966                                  mime_command ? mime_command : prefs_common.mime_open_cmd,
1967                                  prefs_common.mime_open_cmd_history);
1968                 if (cmd && remember) {
1969                         mailcap_update_default(content_type, cmd);
1970                 }
1971                 g_free(mime_command);
1972         } else {
1973                 cmd = mime_command;
1974         }
1975         if (cmd) {
1976                 mimeview_view_file(filename, partinfo, cmd, mimeview);
1977                 g_free(prefs_common.mime_open_cmd);
1978                 prefs_common.mime_open_cmd = cmd;
1979                 prefs_common.mime_open_cmd_history =
1980                         add_history(prefs_common.mime_open_cmd_history, cmd);
1981         }
1982 #ifdef MAEMO
1983 out:
1984 #endif
1985         g_free(content_type);
1986         g_free(filename);
1987 }
1988 #endif
1989
1990 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
1991                                const gchar *cmd, MimeView *mimeview)
1992 {
1993 #ifndef G_OS_WIN32
1994         gchar *p;
1995         gchar buf[BUFFSIZE];
1996         if (cmd == NULL)
1997                 mimeview_open_part_with(mimeview, partinfo, TRUE);
1998         else {
1999                 if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
2000                     !strchr(p + 2, '%')) {
2001                         g_snprintf(buf, sizeof(buf), cmd, filename);
2002                         if (!prefs_common.save_parts_readwrite)
2003                                 g_chmod(filename, S_IRUSR);
2004                         else
2005                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2006                 } else {
2007                         g_warning("MIME viewer command-line is invalid: '%s'", cmd);
2008                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2009                 }
2010                 if (execute_command_line(buf, TRUE) != 0) {
2011                         if (!prefs_common.save_parts_readwrite)
2012                                 g_chmod(filename, S_IRUSR|S_IWUSR);
2013                         mimeview_open_part_with(mimeview, partinfo, FALSE);
2014                 }
2015         }
2016 #else
2017         SHFILEINFO file_info;
2018         if ((SHGetFileInfo(filename, 0, &file_info, sizeof(SHFILEINFO), SHGFI_EXETYPE)) != 0) {
2019                 AlertValue val = alertpanel_full(_("Execute untrusted binary?"),
2020                                       _("This attachment is an executable file. Executing "
2021                                         "untrusted binaries is dangerous and could probably "
2022                                         "lead to compromission of your computer.\n\n"
2023                                         "Do you want to run this file?"), GTK_STOCK_CANCEL,
2024                                         _("Run binary"),
2025                                       NULL, FALSE, NULL, ALERT_WARNING, G_ALERTDEFAULT);
2026                 if (val == G_ALERTALTERNATE) {
2027                         debug_print("executing binary\n");
2028                         ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2029                 }
2030         } else
2031                 ShellExecute(NULL, "open", filename, NULL, NULL, SW_SHOW);
2032
2033 #endif
2034 }
2035
2036 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
2037 {
2038         mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
2039 }
2040
2041 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
2042 {
2043         return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
2044 }
2045
2046 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
2047 {
2048         GSList *mimeview_list, *viewer_list;
2049
2050         for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
2051                 MimeView *mimeview = (MimeView *) mimeview_list->data;
2052
2053                 if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
2054                         mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
2055                         mimeview->mimeviewer = NULL;
2056                 }
2057
2058                 while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
2059                         MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
2060
2061                         mimeviewer->destroy_viewer(mimeviewer);
2062                         mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
2063                 }
2064         }
2065
2066         mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
2067 }
2068
2069 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
2070 {
2071         gint      num;
2072         MimeInfo *partinfo;
2073
2074         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2075         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2076
2077         if (event->button == 1) {
2078                 icon_selected(mimeview, num, partinfo);
2079                 gtk_widget_grab_focus(button);
2080         }
2081         part_button_pressed(mimeview, event, partinfo);
2082         icon_list_toggle_by_mime_info(mimeview, partinfo);
2083
2084         return FALSE;
2085 }
2086
2087 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
2088 {
2089         GtkCMCTreeNode *node;
2090         node = gtk_cmctree_find_by_row_data(GTK_CMCTREE(mimeview->ctree), NULL, partinfo);
2091
2092         if (node)
2093                 gtk_cmctree_select(GTK_CMCTREE(mimeview->ctree), node);
2094 }
2095
2096 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
2097 {
2098         icon_list_toggle_by_mime_info(mimeview, partinfo);
2099         icon_selected(mimeview, -1, partinfo);
2100 }
2101
2102 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
2103                              MimeView *mimeview)
2104 {
2105         gint          num;
2106         MimeInfo     *partinfo;
2107         SummaryView  *summaryview;
2108         TextView     *textview;
2109
2110         num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
2111         partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
2112
2113         if (!event) return FALSE;
2114
2115         textview = mimeview->textview;
2116
2117         switch (event->keyval) {
2118         case GDK_space:
2119                 if (mimeview_scroll_page(mimeview, FALSE))
2120                         return TRUE;
2121
2122                 mimeview_select_next_part(mimeview);
2123                 return TRUE;
2124
2125                 break;
2126         case GDK_BackSpace:
2127                 mimeview_scroll_page(mimeview, TRUE);
2128                 return TRUE;
2129         case GDK_Return:
2130         case GDK_KP_Enter:
2131                 mimeview_scroll_one_line(mimeview,
2132                                          (event->state & GDK_MOD1_MASK) != 0);
2133                 return TRUE;
2134
2135         case GDK_n:
2136         case GDK_N:
2137                 BREAK_ON_MODIFIER_KEY();
2138                 mimeview_select_next_part(mimeview);
2139                 return TRUE;
2140
2141         case GDK_p:
2142         case GDK_P:
2143                 BREAK_ON_MODIFIER_KEY();
2144                 mimeview_select_prev_part(mimeview);
2145                 break;
2146
2147         case GDK_y:
2148                 BREAK_ON_MODIFIER_KEY();
2149                 mimeview_save_as(mimeview);
2150                 return TRUE;
2151         case GDK_t:
2152                 BREAK_ON_MODIFIER_KEY();
2153                 mimeview_display_as_text(mimeview);
2154                 return TRUE;
2155         case GDK_l:
2156                 BREAK_ON_MODIFIER_KEY();
2157                 mimeview_launch(mimeview, NULL);
2158                 return TRUE;
2159 #ifndef G_OS_WIN32
2160         case GDK_o:
2161                 BREAK_ON_MODIFIER_KEY();
2162                 mimeview_open_with(mimeview);
2163                 return TRUE;
2164 #endif
2165         case GDK_c:
2166                 BREAK_ON_MODIFIER_KEY();
2167                 mimeview_check_signature(mimeview);
2168                 return TRUE;
2169         case GDK_a:
2170                 BREAK_ON_MODIFIER_KEY();
2171                 mimeview_select_next_part(mimeview);
2172                 return TRUE;
2173         default:
2174                 break;
2175         }
2176
2177         if (!mimeview->messageview->mainwin) return FALSE;
2178         summaryview = mimeview->messageview->mainwin->summaryview;
2179         return summary_pass_key_press_event(summaryview, event);
2180 }
2181
2182 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
2183 {
2184         MimeView *mimeview = (MimeView *)data;
2185         MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
2186
2187         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2188                           "pop_partinfo", partinfo);
2189         gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
2190                        NULL, NULL, NULL, NULL,
2191                        0, gtk_get_current_event_time());
2192         return TRUE;
2193 }
2194
2195 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
2196 {
2197         GtkWidget *pixmap = NULL;
2198         GtkWidget *vbox;
2199         GtkWidget *button;
2200         gchar *tip;
2201         gchar *tiptmp;
2202         const gchar *desc = NULL;
2203         gchar *sigshort = NULL;
2204         gchar *content_type;
2205         StockPixmap stockp;
2206         MimeInfo *partinfo;
2207         MimeInfo *siginfo = NULL;
2208         MimeInfo *encrypted = NULL;
2209 #ifdef GENERIC_UMPC
2210         GtkRequisition r;
2211 #endif
2212 #if !(GTK_CHECK_VERSION(2,12,0))
2213         GtkTooltips *tips = mimeview->tooltips;
2214 #endif
2215
2216         vbox = mimeview->icon_vbox;
2217         mimeview->icon_count++;
2218         button = gtk_event_box_new();
2219
2220         g_signal_connect(G_OBJECT(button), "visibility-notify-event",
2221                          G_CALLBACK(mimeview_visi_notify), mimeview);
2222         g_signal_connect(G_OBJECT(button), "motion-notify-event",
2223                          G_CALLBACK(mimeview_visi_notify), mimeview);
2224         g_signal_connect(G_OBJECT(button), "leave-notify-event",
2225                          G_CALLBACK(mimeview_leave_notify), mimeview);
2226         g_signal_connect(G_OBJECT(button), "enter-notify-event",
2227                          G_CALLBACK(mimeview_enter_notify), mimeview);
2228
2229         gtk_container_set_border_width(GTK_CONTAINER(button), 2);
2230         g_object_set_data(G_OBJECT(button), "icon_number",
2231                           GINT_TO_POINTER(mimeview->icon_count));
2232         g_object_set_data(G_OBJECT(button), "partinfo",
2233                           mimeinfo);
2234
2235         switch (mimeinfo->type) {
2236
2237         case MIMETYPE_TEXT:
2238                 if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
2239                         stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
2240                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "enriched"))
2241                         stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
2242                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
2243                         stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
2244                 else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
2245                                 || !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
2246                         stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
2247                 else
2248                         stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
2249                 break;
2250         case MIMETYPE_MESSAGE:
2251                 stockp = STOCK_PIXMAP_MIME_MESSAGE;
2252                 break;
2253         case MIMETYPE_APPLICATION:
2254                 if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
2255                     || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
2256                     || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
2257                         stockp = STOCK_PIXMAP_MIME_PGP_SIG;
2258                 else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
2259                         stockp = STOCK_PIXMAP_MIME_PDF;
2260                 else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
2261                         stockp = STOCK_PIXMAP_MIME_PS;
2262                 else
2263                         stockp = STOCK_PIXMAP_MIME_APPLICATION;
2264                 break;
2265         case MIMETYPE_IMAGE:
2266                 stockp = STOCK_PIXMAP_MIME_IMAGE;
2267                 break;
2268         case MIMETYPE_AUDIO:
2269                 stockp = STOCK_PIXMAP_MIME_AUDIO;
2270                 break;
2271         default:
2272                 stockp = STOCK_PIXMAP_MIME_UNKNOWN;
2273                 break;
2274         }
2275
2276         partinfo = mimeinfo;
2277         while (partinfo != NULL) {
2278                 if (privacy_mimeinfo_is_signed(partinfo)) {
2279                         siginfo = partinfo;
2280                         break;
2281                 }
2282                 if (privacy_mimeinfo_is_encrypted(partinfo)) {
2283                         encrypted = partinfo;
2284                         break;
2285                 }
2286                 partinfo = procmime_mimeinfo_parent(partinfo);
2287         }
2288
2289         if (siginfo != NULL) {
2290                 switch (privacy_mimeinfo_get_sig_status(siginfo)) {
2291                 case SIGNATURE_UNCHECKED:
2292                 case SIGNATURE_CHECK_FAILED:
2293                 case SIGNATURE_CHECK_TIMEOUT:
2294                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2295                             STOCK_PIXMAP_PRIVACY_EMBLEM_SIGNED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2296                         break;
2297                 case SIGNATURE_OK:
2298                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2299                             STOCK_PIXMAP_PRIVACY_EMBLEM_PASSED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2300                         break;
2301                 case SIGNATURE_WARN:
2302                 case SIGNATURE_KEY_EXPIRED:
2303                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2304                             STOCK_PIXMAP_PRIVACY_EMBLEM_WARN, OVERLAY_BOTTOM_RIGHT, 6, 3);
2305                         break;
2306                 case SIGNATURE_INVALID:
2307                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2308                             STOCK_PIXMAP_PRIVACY_EMBLEM_FAILED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2309                         break;
2310                 }
2311                 sigshort = privacy_mimeinfo_sig_info_short(siginfo);
2312         } else if (encrypted != NULL) {
2313                         pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp,
2314                             STOCK_PIXMAP_PRIVACY_EMBLEM_ENCRYPTED, OVERLAY_BOTTOM_RIGHT, 6, 3);
2315         } else {
2316                 pixmap = stock_pixmap_widget_with_overlay(mimeview->mainwin->window, stockp, 0,
2317                                                           OVERLAY_NONE, 6, 3);
2318         }
2319         gtk_container_add(GTK_CONTAINER(button), pixmap);
2320         if (!desc) {
2321                 if (prefs_common.attach_desc)
2322                         desc = get_part_description(mimeinfo);
2323                 else
2324                         desc = get_part_name(mimeinfo);
2325         }
2326
2327         content_type = procmime_get_content_type_str(mimeinfo->type,
2328                                                      mimeinfo->subtype);
2329
2330         tip = g_strjoin("\n", content_type,
2331                         to_human_readable((goffset)mimeinfo->length), NULL);
2332         g_free(content_type);
2333         if (desc && *desc) {
2334                 gchar *tmp = NULL;
2335                 if (!g_utf8_validate(desc, -1, NULL)) {
2336                         tmp = conv_filename_to_utf8(desc);
2337                 } else {
2338                         tmp = g_strdup(desc);
2339                 }
2340                 tiptmp = g_strjoin("\n", tmp, tip, NULL);
2341                 g_free(tip);
2342                 tip = tiptmp;
2343                 g_free(tmp);
2344         }
2345         if (sigshort && *sigshort) {
2346                 tiptmp = g_strjoin("\n", tip, sigshort, NULL);
2347                 g_free(tip);
2348                 tip = tiptmp;
2349         }
2350         g_free(sigshort);
2351
2352         CLAWS_SET_TIP(button, tip);
2353         g_free(tip);
2354         gtk_widget_show_all(button);
2355         gtk_drag_source_set(button, GDK_BUTTON1_MASK|GDK_BUTTON3_MASK,
2356                             mimeview_mime_types, 1, GDK_ACTION_COPY);
2357 #ifndef MAEMO
2358         g_signal_connect(G_OBJECT(button), "popup-menu",
2359                          G_CALLBACK(icon_popup_menu), mimeview);
2360 #else
2361         gtk_widget_tap_and_hold_setup(GTK_WIDGET(button), NULL, NULL,
2362                         GTK_TAP_AND_HOLD_NONE | GTK_TAP_AND_HOLD_NO_INTERNALS);
2363         g_signal_connect(G_OBJECT(button), "tap-and-hold",
2364                          G_CALLBACK(icon_popup_menu), mimeview);
2365 #endif
2366         g_signal_connect(G_OBJECT(button), "button_release_event",
2367                          G_CALLBACK(icon_clicked_cb), mimeview);
2368         g_signal_connect(G_OBJECT(button), "key_press_event",
2369                          G_CALLBACK(icon_key_pressed), mimeview);
2370         g_signal_connect(G_OBJECT(button), "drag_data_get",
2371                          G_CALLBACK(mimeview_drag_data_get), mimeview);
2372         gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
2373 #ifdef GENERIC_UMPC
2374         gtk_widget_size_request(pixmap, &r);
2375         gtk_widget_set_size_request(button, -1, r.height + 4);
2376 #endif
2377
2378 }
2379
2380 static void icon_list_clear (MimeView *mimeview)
2381 {
2382         GList     *child, *orig;
2383         GtkAdjustment *adj;
2384
2385         orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2386         for (child = orig; child != NULL; child = g_list_next(child)) {
2387                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox),
2388                                        GTK_WIDGET(child->data));
2389         }
2390         g_list_free(orig);
2391         mimeview->icon_count = 0;
2392         adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2393         gtk_adjustment_set_value(adj, adj->lower);
2394         gtk_adjustment_changed(adj);
2395 }
2396
2397 /*!
2398  *\brief        Used to 'click' the next or previous icon.
2399  *
2400  *\return       true if the icon 'number' exists and was selected.
2401  */
2402 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
2403                                          GtkAllocation *size, MimeView *mimeview)
2404 {
2405         GtkAllocation *mainbox_size;
2406         GtkAllocation *vbox_size;
2407         GtkAllocation *layout_size;
2408         GtkAdjustment *adj;
2409
2410         adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
2411
2412         mainbox_size = &mimeview->icon_mainbox->allocation;
2413         vbox_size = &mimeview->icon_vbox->allocation;
2414         layout_size = &mimeview->icon_scroll->allocation;
2415
2416         gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
2417                             GTK_LAYOUT(mimeview->icon_scroll)->width,
2418                             MAX(vbox_size->height, layout_size->height));
2419         adj->step_increment = 10;
2420 }
2421
2422 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
2423 {
2424         GtkRequisition size;
2425
2426         cm_return_if_fail(mimeinfo != NULL);
2427
2428         while (mimeinfo != NULL) {
2429                 if (mimeinfo->type != MIMETYPE_MULTIPART)
2430                         icon_list_append_icon(mimeview, mimeinfo);
2431                 if (mimeinfo->node->children != NULL)
2432                         icon_list_create(mimeview,
2433                                 (MimeInfo *) mimeinfo->node->children->data);
2434                 mimeinfo = mimeinfo->node->next != NULL
2435                          ? (MimeInfo *) mimeinfo->node->next->data
2436                          : NULL;
2437         }
2438         gtk_widget_size_request(mimeview->icon_vbox, &size);
2439         if (size.width > mimeview->icon_mainbox->requisition.width) {
2440                 gtk_widget_set_size_request(mimeview->icon_mainbox,
2441                                             size.width, -1);
2442         }
2443 }
2444
2445 static void icon_list_toggle_by_mime_info (MimeView     *mimeview,
2446                                            MimeInfo     *mimeinfo)
2447 {
2448         GList *child;
2449
2450         child = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_vbox));
2451         for (; child != NULL; child = g_list_next(child)) {
2452                 if (!GTK_IS_EVENT_BOX(child->data))
2453                         continue;
2454                 if(g_object_get_data(G_OBJECT(child->data),
2455                                       "partinfo") == (gpointer)mimeinfo) {
2456                         gboolean *highlight = NULL;
2457                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2458                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2459                         *highlight = TRUE;
2460                         gtk_widget_queue_draw(icon);
2461                 } else {
2462                         gint *highlight = NULL;
2463                         GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
2464                         highlight = g_object_get_data(G_OBJECT(icon), "highlight");
2465                         *highlight = FALSE;
2466                         gtk_widget_queue_draw(icon);
2467                 }
2468         }
2469 }
2470
2471 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
2472                                     MimeView *mimeview)
2473 {
2474         g_object_ref(button);
2475
2476         mimeview_leave_notify(button, NULL, NULL);
2477
2478         mimeview->ctree_mode = !mimeview->ctree_mode;
2479         if (mimeview->ctree_mode) {
2480                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_RIGHT,
2481                                         GTK_SHADOW_NONE);
2482                 gtk_widget_hide(mimeview->icon_mainbox);
2483                 gtk_widget_show(mimeview->ctree_mainbox);
2484                 gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
2485
2486                 gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
2487                                         button);
2488                 gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
2489                                    button, FALSE, FALSE, 0);
2490         } else {
2491                 gtk_arrow_set(GTK_ARROW(gtk_bin_get_child(GTK_BIN((button)))), GTK_ARROW_LEFT,
2492                               GTK_SHADOW_NONE);
2493                 mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
2494                 gtk_widget_hide(mimeview->ctree_mainbox);
2495                 gtk_widget_show(mimeview->icon_mainbox);
2496                 gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
2497
2498                 gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox),
2499                                         button);
2500                 gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox),
2501                                    button, FALSE, FALSE, 0);
2502                 gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
2503                 if (mimeview->opened)
2504                         icon_list_toggle_by_mime_info
2505                                 (mimeview, gtk_cmctree_node_get_row_data(GTK_CMCTREE(mimeview->ctree),
2506                                                                        mimeview->opened));
2507
2508         }
2509         g_object_unref(button);
2510         return TRUE;
2511 }
2512
2513 void mimeview_update (MimeView *mimeview) {
2514         if (mimeview && mimeview->mimeinfo) {
2515                 icon_list_clear(mimeview);
2516                 icon_list_create(mimeview, mimeview->mimeinfo);
2517         }
2518 }
2519
2520 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
2521 {
2522         MessageView *msgview = NULL;
2523         MainWindow *mainwin = NULL;
2524
2525         if (!cmd)
2526                 return;
2527
2528         msgview = mimeview->messageview;
2529         if (!msgview)
2530                 return;
2531
2532         mainwin = msgview->mainwin;
2533         if (!mainwin)
2534                 return;
2535
2536         g_object_set_data(G_OBJECT(mimeview->popupmenu),
2537                           "pop_partinfo", NULL);
2538
2539         if (!strcmp(cmd, "sc://view_log"))
2540                 log_window_show(mainwin->logwin);
2541         else if (!strcmp(cmd, "sc://save_as"))
2542                 mimeview_save_as(mimeview);
2543         else if (!strcmp(cmd, "sc://display_as_text"))
2544                 mimeview_display_as_text(mimeview);
2545 #ifndef G_OS_WIN32
2546         else if (!strcmp(cmd, "sc://open_with"))
2547                 mimeview_open_with(mimeview);
2548 #endif
2549         else if (!strcmp(cmd, "sc://open"))
2550                 mimeview_launch(mimeview, NULL);
2551         else if (!strcmp(cmd, "sc://select_attachment") && data != NULL) {
2552                 icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
2553                 icon_selected(mimeview, -1, (MimeInfo *)data);
2554         } else if (!strcmp(cmd, "sc://open_attachment") && data != NULL) {
2555                 mimeview_launch(mimeview, (MimeInfo *)data);
2556         } else if (!strcmp(cmd, "sc://menu_attachment") && data != NULL) {
2557                 mimeview->spec_part = (MimeInfo *)data;
2558                 part_button_pressed(mimeview, event, (MimeInfo *)data);
2559         } else if (!strncmp(cmd, "sc://search_tags:", strlen("sc://search_tags:"))) {
2560                 const gchar *tagname = cmd + strlen("sc://search_tags:");
2561                 gchar *buf = g_strdup_printf("tag matchcase \"%s\"", tagname);
2562                 gtk_toggle_button_set_active(
2563                                 GTK_TOGGLE_BUTTON(mimeview->messageview->mainwin->summaryview->toggle_search),
2564                                 TRUE);
2565                 quicksearch_set(mimeview->messageview->mainwin->summaryview->quicksearch,
2566                                 QUICK_SEARCH_EXTENDED, buf);
2567                 g_free(buf);
2568         }
2569 }
2570
2571 gboolean mimeview_scroll_page(MimeView *mimeview, gboolean up)
2572 {
2573         if (mimeview->type == MIMEVIEW_TEXT)
2574                 return textview_scroll_page(mimeview->textview, up);
2575         else if (mimeview->mimeviewer) {
2576                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2577                 if (mimeviewer->scroll_page)
2578                         return mimeviewer->scroll_page(mimeviewer, up);
2579         }
2580         return TRUE;
2581 }
2582
2583 void mimeview_scroll_one_line(MimeView *mimeview, gboolean up)
2584 {
2585         if (mimeview->type == MIMEVIEW_TEXT)
2586                 textview_scroll_one_line(mimeview->textview, up);
2587         else if (mimeview->mimeviewer) {
2588                 MimeViewer *mimeviewer = mimeview->mimeviewer;
2589                 if (mimeviewer->scroll_one_line)
2590                         mimeviewer->scroll_one_line(mimeviewer, up);
2591         }
2592 }