fix a navigation bug (stupid typo of mine)
[claws.git] / src / mimeview.c
index 95cb33f8287bbee2a33189bc14a633478a56901f..8d6d465a227489ebd3d8196d0787b4c871544292 100644 (file)
 #include <gtk/gtkscrolledwindow.h>
 #include <gtk/gtkctree.h>
 #include <gtk/gtkvbox.h>
+#include <gtk/gtkhbox.h>
 #include <gtk/gtkvpaned.h>
 #include <gtk/gtktext.h>
 #include <gtk/gtksignal.h>
 #include <gtk/gtkmenu.h>
 #include <gtk/gtkdnd.h>
 #include <gtk/gtkselection.h>
+#include <gtk/gtktooltips.h>
+#include <gtk/gtkcontainer.h>
+#include <gtk/gtkbutton.h>
 #include <stdio.h>
 
 #ifndef HAVE_APACHE_FNMATCH
@@ -58,6 +62,8 @@
 #include "prefs_common.h"
 #include "rfc2015.h"
 #include "stock_pixmap.h"
+#include "gtk/gtkvscrollbutton.h"
+
 
 typedef enum
 {
@@ -78,7 +84,6 @@ static void mimeview_show_message_part                (MimeView       *mimeview,
                                                 MimeInfo       *partinfo);
 static void mimeview_change_view_type          (MimeView       *mimeview,
                                                 MimeViewType    type);
-static void mimeview_clear                     (MimeView       *mimeview);
 
 static void mimeview_selected          (GtkCTree       *ctree,
                                         GtkCTreeNode   *node,
@@ -110,6 +115,34 @@ static void mimeview_open_with             (MimeView       *mimeview);
 static void mimeview_view_file         (const gchar    *filename,
                                         MimeInfo       *partinfo,
                                         const gchar    *cmdline);
+static gboolean icon_clicked_cb                (GtkWidget      *button, 
+                                        GdkEventButton *event, 
+                                        MimeView       *mimeview);
+static void icon_selected               (MimeView       *mimeview, 
+                                        gint            num, 
+                                        MimeInfo       *partinfo);
+static gint icon_key_pressed            (GtkWidget      *button, 
+                                        GdkEventKey    *event,
+                                        MimeView       *mimeview);
+static void toggle_icon                        (GtkToggleButton *button,
+                                        MimeView       *mimeview);
+static void icon_list_append_icon      (MimeView       *mimeview, 
+                                        MimeInfo       *mimeinfo);
+static void icon_list_create           (MimeView       *mimeview, 
+                                        MimeInfo       *mimeinfo);
+static void icon_list_clear            (MimeView       *mimeview);
+static void icon_list_toggle_by_mime_info (MimeView    *mimeview,
+                                          MimeInfo     *mimeinfo);
+static gboolean icon_list_select_by_number(MimeView    *mimeview,
+                                          gint          number);
+static void mime_toggle_button_cb      (GtkWidget      *button,
+                                        MimeView       *mimeview);
+static void part_button_pressed                (MimeView       *mimeview, 
+                                        GdkEventButton *event, 
+                                        MimeInfo       *partinfo);
+static void icon_scroll_size_allocate_cb(GtkWidget     *widget, 
+                                        GtkAllocation  *layout_size, 
+                                        MimeView       *mimeview);
 
 static GtkItemFactoryEntry mimeview_popup_entries[] =
 {
@@ -117,11 +150,7 @@ static GtkItemFactoryEntry mimeview_popup_entries[] =
        {N_("/Open _with..."),    NULL, mimeview_open_with,       0, NULL},
        {N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
        {N_("/_Save as..."),      NULL, mimeview_save_as,         0, NULL},
-       {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL}
-#if USE_GPGME
-        ,
-        {N_("/_Check signature"), NULL, mimeview_check_signature, 0, NULL}
-#endif
+       {N_("/Save _all..."),     NULL, mimeview_save_all,        0, NULL},
 };
 
 static GtkTargetEntry mimeview_mime_types[] =
@@ -136,15 +165,23 @@ MimeView *mimeview_create(MainWindow *mainwin)
 {
        MimeView *mimeview;
 
-       GtkWidget *notebook;
-       GtkWidget *vbox;
        GtkWidget *paned;
        GtkWidget *scrolledwin;
        GtkWidget *ctree;
        GtkWidget *mime_notebook;
        GtkWidget *popupmenu;
-       GtkWidget *icon;
+       GtkWidget *ctree_mainbox;
+       GtkWidget *vbox;
+       GtkWidget *mime_toggle;
+       GtkWidget *icon_mainbox;
+       GtkWidget *icon_scroll;
+       GtkWidget *icon_vbox;
+       GtkWidget *arrow;
+       GtkWidget *scrollbutton;
+       GtkWidget *hbox;
+       GtkTooltips *tooltips;
        GtkItemFactory *popupfactory;
+       NoticeView *siginfoview;
        gchar *titles[N_MIMEVIEW_COLS];
        gint n_entries;
        gint i;
@@ -156,28 +193,20 @@ MimeView *mimeview_create(MainWindow *mainwin)
        titles[COL_SIZE]     = _("Size");
        titles[COL_NAME]     = _("Name");
 
-       notebook = gtk_notebook_new();
-       gtk_notebook_set_scrollable(GTK_NOTEBOOK(notebook), TRUE);
-
-       vbox = gtk_vbox_new(FALSE, 0);
-       gtk_container_add(GTK_CONTAINER(notebook), vbox);
-       icon = stock_pixmap_widget(mainwin->window, STOCK_PIXMAP_MESSAGEVIEW_TEXT); 
-       gtk_widget_show(icon);
-       gtk_notebook_set_tab_label(GTK_NOTEBOOK(notebook), vbox, icon);
-       
        scrolledwin = gtk_scrolled_window_new(NULL, NULL);
+       gtk_widget_show(scrolledwin);
        gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolledwin),
                                       GTK_POLICY_AUTOMATIC,
                                       GTK_POLICY_ALWAYS);
-       gtk_widget_set_usize(scrolledwin, -1, 80);
 
        ctree = gtk_sctree_new_with_titles(N_MIMEVIEW_COLS, 0, titles);
+       gtk_widget_show(ctree);
        gtk_clist_set_selection_mode(GTK_CLIST(ctree), GTK_SELECTION_BROWSE);
        gtk_ctree_set_line_style(GTK_CTREE(ctree), GTK_CTREE_LINES_NONE);
        gtk_clist_set_column_justification(GTK_CLIST(ctree), COL_SIZE,
                                           GTK_JUSTIFY_RIGHT);
        gtk_clist_set_column_width(GTK_CLIST(ctree), COL_MIMETYPE, 240);
-       gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 64);
+       gtk_clist_set_column_width(GTK_CLIST(ctree), COL_SIZE, 90);
        for (i = 0; i < N_MIMEVIEW_COLS; i++)
                GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
                                       GTK_CAN_FOCUS);
@@ -199,27 +228,62 @@ MimeView *mimeview_create(MainWindow *mainwin)
         GTK_WIDGET_UNSET_FLAGS(mime_notebook, GTK_CAN_FOCUS);
         gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
         gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
+       
+       icon_vbox = gtk_vbox_new(FALSE, 2);
+       gtk_widget_show(icon_vbox);
+       icon_scroll = gtk_layout_new(NULL, NULL);
+       gtk_widget_show(icon_scroll);
+       gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_vbox, 0, 0);
+       scrollbutton = gtk_vscrollbutton_new(gtk_layout_get_vadjustment(GTK_LAYOUT(icon_scroll)));
+       gtk_widget_show(scrollbutton);
+
+       mime_toggle = gtk_toggle_button_new();
+       gtk_widget_show(mime_toggle);
+       arrow = gtk_arrow_new(GTK_ARROW_LEFT, GTK_SHADOW_NONE);
+       gtk_widget_show(arrow);
+       gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
+       gtk_signal_connect(GTK_OBJECT(mime_toggle), "toggled", 
+                          GTK_SIGNAL_FUNC(mime_toggle_button_cb), mimeview);
+
+       icon_mainbox = gtk_vbox_new(FALSE, 0);
+       gtk_widget_show(icon_mainbox);
+       gtk_box_pack_start(GTK_BOX(icon_mainbox), mime_toggle, FALSE, FALSE, 0);
+       gtk_box_pack_start(GTK_BOX(icon_mainbox), icon_scroll, TRUE, TRUE, 3);
+       gtk_box_pack_end(GTK_BOX(icon_mainbox), scrollbutton, FALSE, FALSE, 0);
+       gtk_signal_connect(GTK_OBJECT(icon_mainbox), "size_allocate", 
+                       GTK_SIGNAL_FUNC(icon_scroll_size_allocate_cb), mimeview);
+       
+       ctree_mainbox = gtk_hbox_new(FALSE, 0); 
+       gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 
-       paned = gtk_vpaned_new();
-       gtk_paned_add1(GTK_PANED(paned), scrolledwin);
-       gtk_paned_add2(GTK_PANED(paned), mime_notebook);
-       gtk_container_add(GTK_CONTAINER(notebook), paned);
-       icon = stock_pixmap_widget(mainwin->window, STOCK_PIXMAP_CLIP); 
-       gtk_widget_show(icon);
-       gtk_notebook_set_tab_label(GTK_NOTEBOOK(notebook), paned, icon);
-       gtk_notebook_set_tab_pos(GTK_NOTEBOOK(notebook), GTK_POS_RIGHT);
+       n_entries = sizeof(mimeview_popup_entries) /
+               sizeof(mimeview_popup_entries[0]);
+       popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
+                                     "<MimeView>", &popupfactory, mimeview);
+       tooltips = gtk_tooltips_new();
+       gtk_tooltips_set_delay(tooltips, 0); 
 
-       gtk_widget_show_all(notebook);
+       vbox = gtk_vbox_new(FALSE, 0);
+       gtk_widget_show(vbox);
+       siginfoview = noticeview_create(mainwin);
+       noticeview_hide(siginfoview);
+       gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
+       gtk_box_pack_end(GTK_BOX(vbox), GTK_WIDGET_PTR(siginfoview), FALSE, FALSE, 0);
 
-       gtk_notebook_set_page(GTK_NOTEBOOK(notebook), 0);
+       paned = gtk_vpaned_new();
+       gtk_widget_show(paned);
+       gtk_paned_set_gutter_size(GTK_PANED(paned), 0);
+       gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
+       gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
+       
+       hbox = gtk_hbox_new(FALSE, 0);
+       gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
+       gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 
-       n_entries = sizeof(mimeview_popup_entries) /
-               sizeof(mimeview_popup_entries[0]);
-       popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
-                                     "<MimeView>", &popupfactory, mimeview);
+       gtk_widget_show(hbox);
+       gtk_widget_hide(ctree_mainbox);
 
-       mimeview->notebook      = notebook;
-       mimeview->vbox          = vbox;
+       mimeview->hbox          = hbox;
        mimeview->paned         = paned;
        mimeview->scrolledwin   = scrolledwin;
        mimeview->ctree         = ctree;
@@ -227,7 +291,19 @@ MimeView *mimeview_create(MainWindow *mainwin)
        mimeview->popupmenu     = popupmenu;
        mimeview->popupfactory  = popupfactory;
        mimeview->type          = -1;
-
+       mimeview->ctree_mainbox = ctree_mainbox;
+       mimeview->icon_scroll   = icon_scroll;
+       mimeview->icon_vbox     = icon_vbox;
+       mimeview->icon_mainbox  = icon_mainbox;
+       mimeview->icon_count    = 0;
+       mimeview->mainwin       = mainwin;
+       mimeview->tooltips      = tooltips;
+       mimeview->oldsize       = 60;
+       mimeview->mime_toggle   = mime_toggle;
+       mimeview->siginfoview   = siginfoview;
+
+       mimeview->target_list   = gtk_target_list_new(mimeview_mime_types, 1); 
+       
        mimeviews = g_slist_prepend(mimeviews, mimeview);
 
        return mimeview;
@@ -241,65 +317,13 @@ void mimeview_init(MimeView *mimeview)
                GTK_WIDGET_PTR(mimeview->textview));
 }
 
-/* 
- * Check whether the message is OpenPGP signed
- */
-#if USE_GPGME
-static gboolean mimeview_is_signed(MimeView *mimeview)
-{
-       MimeInfo *partinfo = NULL;
-
-        debug_print("mimeview_is signed of %p\n", mimeview);
-
-        if (!mimeview) return FALSE;
-       if (!mimeview->opened) return FALSE;
-
-        debug_print("mimeview_is_signed: open\n" );
-
-       if (!mimeview->file) return FALSE;
-
-        debug_print("mimeview_is_signed: file\n" );
-
-       partinfo = gtk_ctree_node_get_row_data
-               (GTK_CTREE(mimeview->ctree), mimeview->opened);
-       g_return_val_if_fail(partinfo != NULL, FALSE);
-
-       /* walk the tree and see whether there is a signature somewhere */
-       do {
-               if (rfc2015_has_signature(partinfo))
-                       return TRUE;
-        } while ((partinfo = partinfo->parent) != NULL);
-
-       debug_print("mimeview_is_signed: FALSE\n" );
-
-       return FALSE;
-}
-
-static void set_unchecked_signature(MimeInfo *mimeinfo)
-{
-       MimeInfo *sig_partinfo;
-
-       sig_partinfo = rfc2015_find_signature(mimeinfo);
-       if (sig_partinfo == NULL) return;
-
-       g_free(sig_partinfo->sigstatus);
-       sig_partinfo->sigstatus =
-               g_strdup(_("Right-click here to verify the signature"));
-
-       g_free(sig_partinfo->sigstatus_full);
-       sig_partinfo->sigstatus_full = NULL;
-}
-#endif /* USE_GPGME */
-
 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
                           const gchar *file)
 {
        GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
        GtkCTreeNode *node;
-       FILE *fp;
 
        mimeview_clear(mimeview);
-       textview_clear(mimeview->messageview->textview);
 
        g_return_if_fail(file != NULL);
        g_return_if_fail(mimeinfo != NULL);
@@ -308,46 +332,23 @@ void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 
        mimeview->file = g_strdup(file);
 
-#if USE_GPGME
-       if (prefs_common.auto_check_signatures && gpg_started) {
-               if ((fp = fopen(file, "rb")) == NULL) {
-                       FILE_OP_ERROR(file, "fopen");
-                       return;
-               }
-               rfc2015_check_signature(mimeinfo, fp);
-               fclose(fp);
-       } else
-               set_unchecked_signature(mimeinfo);
-#endif
-
        gtk_signal_handler_block_by_func(GTK_OBJECT(ctree), mimeview_selected,
                                         mimeview);
 
        mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
+       icon_list_create(mimeview, mimeinfo);
 
        gtk_signal_handler_unblock_by_func(GTK_OBJECT(ctree),
                                           mimeview_selected, mimeview);
 
-       /* search first text part */
-       for (node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
-            node != NULL; node = GTK_CTREE_NODE_NEXT(node)) {
-               MimeInfo *partinfo;
-
-               partinfo = gtk_ctree_node_get_row_data(ctree, node);
-               if (partinfo &&
-                   (partinfo->mime_type == MIME_TEXT ||
-                    partinfo->mime_type == MIME_TEXT_HTML))
-                       break;
-       }
-       textview_show_message(mimeview->messageview->textview, mimeinfo, file);
-
-       if (!node)
-               node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
-
+       node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
        if (node) {
                gtk_ctree_select(ctree, node);
+               icon_list_toggle_by_mime_info
+                       (mimeview, gtk_ctree_node_get_row_data(ctree, node));
                gtkut_ctree_set_focus_row(ctree, node);
-               gtk_widget_grab_focus(mimeview->ctree);
+               if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(mimeview->mime_toggle)))
+                       gtk_widget_grab_focus(mimeview->ctree);
        }
 }
 
@@ -362,20 +363,18 @@ void mimeview_destroy(MimeView *mimeview)
                viewer->destroy_viewer(viewer);
        }
        g_slist_free(mimeview->viewers);
+       gtk_target_list_unref(mimeview->target_list);
 
        procmime_mimeinfo_free_all(mimeview->mimeinfo);
        g_free(mimeview->file);
        g_free(mimeview);
 
        mimeviews = g_slist_remove(mimeviews, mimeview);
+       
 }
 
 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 {
-       if (gtk_notebook_get_current_page
-               (GTK_NOTEBOOK(mimeview->notebook)) == 0)
-               return NULL;
-
        return gtk_ctree_node_get_row_data
                (GTK_CTREE(mimeview->ctree), mimeview->opened);
 }
@@ -388,48 +387,32 @@ static void mimeview_set_multipart_tree(MimeView *mimeview,
 
        g_return_if_fail(mimeinfo != NULL);
 
-       if (mimeinfo->children)
-               mimeinfo = mimeinfo->children;
-
        while (mimeinfo != NULL) {
                node = mimeview_append_part(mimeview, mimeinfo, parent);
 
                if (mimeinfo->children)
-                       mimeview_set_multipart_tree(mimeview, mimeinfo, node);
-               else if (mimeinfo->sub &&
-                        mimeinfo->sub->mime_type != MIME_TEXT &&
-                        mimeinfo->sub->mime_type != MIME_TEXT_HTML)
-                       mimeview_set_multipart_tree(mimeview, mimeinfo->sub,
-                                                   node);
+                       mimeview_set_multipart_tree(mimeview, mimeinfo->children, node);
                mimeinfo = mimeinfo->next;
        }
 }
 
 static gchar *get_part_name(MimeInfo *partinfo)
 {
-#if USE_GPGME
-       if (partinfo->sigstatus)
-               return partinfo->sigstatus;
-       else
-#endif
-       if (partinfo->name)
-               return partinfo->name;
-       else if (partinfo->filename)
-               return partinfo->filename;
-       else if (partinfo->description)
-               return partinfo->description;
-       else
-               return "";
+       gchar *name;
+
+       name = g_hash_table_lookup(partinfo->parameters, "name");
+       if(name == NULL)
+               name = "";
+
+       return name;
 }
 
 static gchar *get_part_description(MimeInfo *partinfo)
 {
        if (partinfo->description)
                return partinfo->description;
-       else if (partinfo->name)
-               return partinfo->name;
-       else if (partinfo->filename)
-               return partinfo->filename;
+       else if (g_hash_table_lookup(partinfo->parameters, "name") != NULL)
+               return g_hash_table_lookup(partinfo->parameters, "name");
        else
                return "";
 }
@@ -440,11 +423,17 @@ static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
 {
        GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
        GtkCTreeNode *node;
+       static gchar content_type[64];
        gchar *str[N_MIMEVIEW_COLS];
 
-       str[COL_MIMETYPE] =
-               partinfo->content_type ? partinfo->content_type : "";
-       str[COL_SIZE] = to_human_readable(partinfo->size);
+       if (partinfo->type != MIMETYPE_UNKNOWN && partinfo->subtype) {
+               g_snprintf(content_type, 64, "%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
+       } else {
+               g_snprintf(content_type, 64, "UNKNOWN");
+       }
+
+       str[COL_MIMETYPE] = content_type;
+       str[COL_SIZE] = to_human_readable(partinfo->length);
        if (prefs_common.attach_desc)
                str[COL_NAME] = get_part_description(partinfo);
        else
@@ -462,19 +451,10 @@ static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 {
        FILE *fp;
        const gchar *fname;
-#if USE_GPGME
-       MimeInfo *pi;
-#endif
 
        if (!partinfo) return;
 
-#if USE_GPGME
-       for (pi = partinfo; pi && !pi->plaintextfile ; pi = pi->parent)
-               ;
-       fname = pi ? pi->plaintextfile : mimeview->file;
-#else
        fname = mimeview->file;
-#endif /* USE_GPGME */
        if (!fname) return;
 
        if ((fp = fopen(fname, "rb")) == NULL) {
@@ -482,7 +462,7 @@ static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
                return;
        }
 
-       if (fseek(fp, partinfo->fpos, SEEK_SET) < 0) {
+       if (fseek(fp, partinfo->offset, SEEK_SET) < 0) {
                FILE_OP_ERROR(mimeview->file, "fseek");
                fclose(fp);
                return;
@@ -549,11 +529,12 @@ static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinf
        gchar *content_type = NULL;
        MimeViewer *viewer = NULL;
 
-       if ((partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM) &&
+       if ((partinfo->type == MIMETYPE_APPLICATION) &&
+            (g_strcasecmp(partinfo->subtype, "octet-stream")) &&
            (partinfo->name != NULL)) {
                content_type = procmime_get_mime_type(partinfo->name);
        } else {
-               content_type = g_strdup(partinfo->content_type);
+               content_type = g_strdup_printf("%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
        }
 
        if (content_type != NULL) {
@@ -612,24 +593,27 @@ static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
        mimeview->type = type;
 }
 
-static void mimeview_clear(MimeView *mimeview)
+void mimeview_clear(MimeView *mimeview)
 {
        GtkCList *clist = GTK_CLIST(mimeview->ctree);
 
-       procmime_mimeinfo_free_all(mimeview->mimeinfo);
-       mimeview->mimeinfo = NULL;
+       noticeview_hide(mimeview->siginfoview);
 
        gtk_clist_clear(clist);
        textview_clear(mimeview->textview);
        if (mimeview->mimeviewer != NULL)
                mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 
+       if (mimeview->mimeinfo != NULL)
+               procmime_mimeinfo_free_all(mimeview->mimeinfo);
+       mimeview->mimeinfo = NULL;
+
        mimeview->opened = NULL;
 
        g_free(mimeview->file);
        mimeview->file = NULL;
 
-       /* gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0); */
+       icon_list_clear(mimeview);
 }
 
 static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
@@ -652,28 +636,26 @@ static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
        }
        
        mimeview->textview->default_text = FALSE;
-       
+
+       if (privacy_mimeinfo_is_signed(partinfo)) {
+               noticeview_set_text(mimeview->siginfoview, "Signed Part");
+               noticeview_show(mimeview->siginfoview);
+       } else {
+               noticeview_hide(mimeview->siginfoview);
+       }
+
        if (!mimeview_show_part(mimeview, partinfo)) {
-               switch (partinfo->mime_type) {
-               case MIME_TEXT:
-               case MIME_TEXT_HTML:
-               case MIME_TEXT_ENRICHED:
-               case MIME_MESSAGE_RFC822:
-               case MIME_MULTIPART:
+               switch (partinfo->type) {
+               case MIMETYPE_TEXT:
+               case MIMETYPE_MESSAGE:
+               case MIMETYPE_MULTIPART:
                        mimeview_show_message_part(mimeview, partinfo);
                
                        break;
                default:
                        mimeview->textview->default_text = TRUE;        
                        mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
-#if USE_GPGME
-                       if (g_strcasecmp(partinfo->content_type,
-                                        "application/pgp-signature") == 0)
-                               textview_show_signature_part(mimeview->textview,
-                                                            partinfo);
-                       else
-#endif
-                               textview_show_mime_part(mimeview->textview, partinfo);
+                       textview_show_mime_part(mimeview->textview, partinfo);
                        break;
                }
        }
@@ -682,7 +664,6 @@ static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
 static void mimeview_start_drag(GtkWidget *widget, gint button,
                                GdkEvent *event, MimeView *mimeview)
 {
-       GtkTargetList *list;
        GdkDragContext *context;
        MimeInfo *partinfo;
 
@@ -691,8 +672,7 @@ static void mimeview_start_drag(GtkWidget *widget, gint button,
        partinfo = mimeview_get_selected_part(mimeview);
        if (partinfo->filename == NULL && partinfo->name == NULL) return;
 
-       list = gtk_target_list_new(mimeview_mime_types, 1);
-       context = gtk_drag_begin(widget, list,
+       context = gtk_drag_begin(widget, mimeview->target_list,
                                 GDK_ACTION_COPY, button, event);
        gtk_drag_set_icon_default(context);
 }
@@ -701,7 +681,6 @@ static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
                                    MimeView *mimeview)
 {
        GtkCList *clist = GTK_CLIST(widget);
-       MimeInfo *partinfo;
        gint row, column;
 
        if (!event) return FALSE;
@@ -714,46 +693,46 @@ static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
                gtk_clist_select_row(clist, row, column);
                gtkut_clist_set_focus_row(clist, row);
        }
+       part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 
+       return TRUE;
+}
+
+static void part_button_pressed(MimeView *mimeview, GdkEventButton *event, 
+                               MimeInfo *partinfo)
+{
        if (event->button == 2 ||
            (event->button == 1 && event->type == GDK_2BUTTON_PRESS)) {
                /* call external program for image, audio or html */
                mimeview_launch(mimeview);
        } else if (event->button == 3) {
-               partinfo = mimeview_get_selected_part(mimeview);
-               if (partinfo && (partinfo->mime_type == MIME_TEXT ||
-                                partinfo->mime_type == MIME_TEXT_HTML ||
-                                partinfo->mime_type == MIME_TEXT_ENRICHED ||
-                                partinfo->mime_type == MIME_MESSAGE_RFC822 ||
-                                partinfo->mime_type == MIME_IMAGE ||
-                                partinfo->mime_type == MIME_MULTIPART))
+               if (partinfo && (partinfo->type == MIMETYPE_TEXT ||
+                                partinfo->type == MIMETYPE_MESSAGE ||
+                                partinfo->type == MIMETYPE_IMAGE ||
+                                partinfo->type == MIMETYPE_MULTIPART))
                        menu_set_sensitive(mimeview->popupfactory,
                                           "/Display as text", FALSE);
                else
                        menu_set_sensitive(mimeview->popupfactory,
                                           "/Display as text", TRUE);
                if (partinfo &&
-                   partinfo->mime_type == MIME_APPLICATION_OCTET_STREAM)
+                   partinfo->type == MIMETYPE_APPLICATION)
                        menu_set_sensitive(mimeview->popupfactory,
                                           "/Open", FALSE);
                else
                        menu_set_sensitive(mimeview->popupfactory,
                                           "/Open", TRUE);
 
-#if USE_GPGME
-               menu_set_sensitive(mimeview->popupfactory,
-                                  "/Check signature",
-                                  mimeview_is_signed(mimeview));
-#endif
-
+               gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
+                                   "pop_partinfo", partinfo);
+                                   
                gtk_menu_popup(GTK_MENU(mimeview->popupmenu),
                               NULL, NULL, NULL, NULL,
                               event->button, event->time);
        }
-
-       return TRUE;
 }
 
+
 void mimeview_pass_key_press_event(MimeView *mimeview, GdkEventKey *event)
 {
        mimeview_key_pressed(mimeview->ctree, event, mimeview);
@@ -865,7 +844,7 @@ static void mimeview_drag_data_get(GtkWidget            *widget,
        filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
                               filename, NULL);
 
-       if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
+       if (procmime_get_part(filename, partinfo) < 0)
                alertpanel_error
                        (_("Can't save the part of multipart message."));
 
@@ -894,6 +873,24 @@ static void mimeview_save_all(MimeView *mimeview)
        dirname = filesel_select_file(_("Save as"), defname);
        if (!dirname) return;
 
+       if (!is_dir_exist (dirname)) {
+               alertpanel_error(_("`%s' is not a directory."),
+                                dirname);
+               g_free (dirname);
+               return;
+       }
+       
+       { /* add a / after the dirname, in case the user didn't */
+               gchar *dirname_tmp = NULL;
+               int dirname_last_char = strlen (dirname) - 1;
+
+               if (dirname[dirname_last_char] != G_DIR_SEPARATOR) {
+                       dirname_tmp = g_strconcat (dirname, G_DIR_SEPARATOR_S, NULL);
+                       g_free (dirname);
+                       dirname = dirname_tmp;
+               }
+       }
+
        /* return to first children */
        if (!partinfo->parent->children) return;  /* multipart container? */
        attachment = partinfo->parent->children->next;
@@ -927,7 +924,7 @@ static void mimeview_save_all(MimeView *mimeview)
                }
                g_free(attachname);
 
-               if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, mimeview->file, attachment) < 0))
+               if ((G_ALERTDEFAULT != aval) || (procmime_get_part(buf, attachment) < 0))
                        alertpanel_error(_("Can't save the part of multipart message."));
                attachment = attachment->next;
        }
@@ -940,6 +937,14 @@ static void mimeview_display_as_text(MimeView *mimeview)
        if (!mimeview->opened) return;
 
        partinfo = mimeview_get_selected_part(mimeview);
+       if (!partinfo)  {
+               partinfo = (MimeInfo *) gtk_object_get_data
+                       (GTK_OBJECT(mimeview->popupmenu),
+                        "pop_partinfo");
+               gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
+                                   "pop_partinfo", NULL);
+       
+       }                        
        g_return_if_fail(partinfo != NULL);
        mimeview_show_message_part(mimeview, partinfo);
 }
@@ -955,6 +960,13 @@ static void mimeview_save_as(MimeView *mimeview)
        if (!mimeview->file) return;
 
        partinfo = mimeview_get_selected_part(mimeview);
+       if (!partinfo) { 
+               partinfo = (MimeInfo *) gtk_object_get_data
+                       (GTK_OBJECT(mimeview->popupmenu),
+                        "pop_partinfo");
+               gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
+                                   "pop_partinfo", NULL);
+       }                        
        g_return_if_fail(partinfo != NULL);
 
        if (partinfo->filename)
@@ -976,7 +988,7 @@ static void mimeview_save_as(MimeView *mimeview)
                if (G_ALERTDEFAULT != aval) return;
        }
 
-       if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
+       if (procmime_get_part(filename, partinfo) < 0)
                alertpanel_error
                        (_("Can't save the part of multipart message."));
 }
@@ -990,11 +1002,18 @@ static void mimeview_launch(MimeView *mimeview)
        if (!mimeview->file) return;
 
        partinfo = mimeview_get_selected_part(mimeview);
+       if (!partinfo) { 
+               partinfo = (MimeInfo *) gtk_object_get_data
+                       (GTK_OBJECT(mimeview->popupmenu),
+                        "pop_partinfo");
+               gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
+                                   "pop_partinfo", NULL);
+       }                        
        g_return_if_fail(partinfo != NULL);
 
        filename = procmime_get_tmp_file_name(partinfo);
 
-       if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
+       if (procmime_get_part(filename, partinfo) < 0)
                alertpanel_error
                        (_("Can't save the part of multipart message."));
        else
@@ -1013,11 +1032,18 @@ static void mimeview_open_with(MimeView *mimeview)
        if (!mimeview->file) return;
 
        partinfo = mimeview_get_selected_part(mimeview);
+       if (!partinfo) { 
+               partinfo = (MimeInfo *) gtk_object_get_data
+                       (GTK_OBJECT(mimeview->popupmenu),
+                        "pop_partinfo");
+               gtk_object_set_data(GTK_OBJECT(mimeview->popupmenu),
+                                   "pop_partinfo", NULL);
+       }                        
        g_return_if_fail(partinfo != NULL);
 
        filename = procmime_get_tmp_file_name(partinfo);
 
-       if (procmime_get_part(filename, mimeview->file, partinfo) < 0) {
+       if (procmime_get_part(filename, partinfo) < 0) {
                alertpanel_error
                        (_("Can't save the part of multipart message."));
                g_free(filename);
@@ -1062,20 +1088,24 @@ static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
        if (cmdline) {
                cmd = cmdline;
                def_cmd = NULL;
-       } else if (MIME_APPLICATION_OCTET_STREAM == partinfo->mime_type) {
+       } else if (MIMETYPE_APPLICATION == partinfo->type) {
                return;
-       } else if (MIME_IMAGE == partinfo->mime_type) {
+       } else if (MIMETYPE_IMAGE == partinfo->type) {
                cmd = prefs_common.mime_image_viewer;
                def_cmd = default_image_cmdline;
-       } else if (MIME_AUDIO == partinfo->mime_type) {
+       } else if (MIMETYPE_AUDIO == partinfo->type) {
                cmd = prefs_common.mime_audio_player;
                def_cmd = default_audio_cmdline;
-       } else if (MIME_TEXT_HTML == partinfo->mime_type) {
+       } else if (MIMETYPE_TEXT == partinfo->type && !strcmp(partinfo->subtype, "html")) {
                cmd = prefs_common.uri_cmd;
                def_cmd = default_html_cmdline;
        } else {
+               gchar *content_type;
+               
+               content_type = g_strdup_printf("%s/%s", procmime_get_type_str(partinfo->type), partinfo->subtype);
                g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
-                          partinfo->content_type, "%s");
+                          content_type, "%s");
+               g_free(content_type);
                cmd = m_buf;
                def_cmd = NULL;
        }
@@ -1095,105 +1125,414 @@ static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
        execute_command_line(buf, TRUE);
 }
 
-#if USE_GPGME
-static void update_node_name(GtkCTree *ctree, GtkCTreeNode *node,
-                            gpointer data)
+void mimeview_register_viewer_factory(MimeViewerFactory *factory)
 {
-       MimeInfo *partinfo;
-       gchar *part_name;
-
-       partinfo = gtk_ctree_node_get_row_data(ctree, node);
-       g_return_if_fail(partinfo != NULL);
+       mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
+}
 
-       part_name = get_part_name(partinfo);
-       gtk_ctree_node_set_text(ctree, node, COL_NAME, part_name);
+static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
+{
+       return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
 }
 
-static void mimeview_update_names(MimeView *mimeview)
+void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
 {
-       GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
+       GSList *mimeview_list, *viewer_list;
+
+       for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
+               MimeView *mimeview = (MimeView *) mimeview_list->data;
+               
+               if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
+                       mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
+                       mimeview->mimeviewer = NULL;
+               }
+
+               while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
+                       MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
 
-       gtk_ctree_pre_recursive(ctree, NULL, update_node_name, NULL);
+                       mimeviewer->destroy_viewer(mimeviewer);
+                       mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
+               }
+       }
+
+       mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
 }
 
-static void mimeview_update_signature_info(MimeView *mimeview)
+static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
 {
+       gint      num;
        MimeInfo *partinfo;
 
-       if (!mimeview) return;
-       if (!mimeview->opened) return;
+       num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
+       partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
+       if (event->button == 1) { 
+               icon_selected(mimeview, num, partinfo);
+               gtk_widget_grab_focus(button);
+               
+               if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button)))
+                       toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
+               else
+                       gtk_signal_emit_stop_by_name(GTK_OBJECT(button), "button_press_event");
+       }               
 
-       partinfo = mimeview_get_selected_part(mimeview);
-       if (!partinfo) return;
+       part_button_pressed(mimeview, event, partinfo);
 
-       if (g_strcasecmp(partinfo->content_type,
-                        "application/pgp-signature") == 0) {
-               mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
-               textview_show_signature_part(mimeview->textview, partinfo);
-       }
+       return TRUE;
 }
 
-void mimeview_check_signature(MimeView *mimeview)
+static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
 {
-       MimeInfo *mimeinfo;
-       FILE *fp;
+       GtkCTreeNode *node;
+       node = gtk_ctree_find_by_row_data(GTK_CTREE(mimeview->ctree), NULL, partinfo);
+       if (node)
+               gtk_ctree_select(GTK_CTREE(mimeview->ctree), node);
+}              
 
-       g_return_if_fail (mimeview_is_signed(mimeview));
-       g_return_if_fail (gpg_started);
+#undef  KEY_PRESS_EVENT_STOP
+#define KEY_PRESS_EVENT_STOP() \
+       if (gtk_signal_n_emissions_by_name \
+               (GTK_OBJECT(button), "key_press_event") > 0) { \
+               gtk_signal_emit_stop_by_name(GTK_OBJECT(button), \
+                                            "key_press_event"); \
+       }
+static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
+                            MimeView *mimeview)
+{
+       gint          num;
+       MimeInfo     *partinfo;
+       SummaryView  *summaryview;
+       TextView     *textview;
 
-       mimeinfo = gtk_ctree_node_get_row_data
-               (GTK_CTREE(mimeview->ctree), mimeview->opened);
-       g_return_if_fail(mimeinfo != NULL);
-       g_return_if_fail(mimeview->file != NULL);
+       num      = GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(button), "icon_number"));
+       partinfo = gtk_object_get_data(GTK_OBJECT(button), "partinfo");
+       
+       if (!event) return FALSE;
 
-       while (mimeinfo->parent)
-               mimeinfo = mimeinfo->parent;
+       textview = mimeview->textview;
 
-       if ((fp = fopen(mimeview->file, "rb")) == NULL) {
-               FILE_OP_ERROR(mimeview->file, "fopen");
-               return;
-       }
+       switch (event->keyval) {
+       case GDK_space:
+               if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
+                       /* stop the button being untoggled */
+                       KEY_PRESS_EVENT_STOP();
+                       if (textview_scroll_page(textview, FALSE))
+                               return TRUE;
+
+                       if (icon_list_select_by_number(mimeview, num + 1))
+                               return TRUE;
+               } else {
+                       icon_selected(mimeview, num, partinfo);
+                       toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
+                       return TRUE;
+               }
 
-       rfc2015_check_signature(mimeinfo, fp);
-       fclose(fp);
+               break;
+       case GDK_BackSpace:
+               textview_scroll_page(textview, TRUE);
+               return TRUE;
+       case GDK_Return:
+               if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
+                       KEY_PRESS_EVENT_STOP();
+                       textview_scroll_one_line(textview,
+                                                (event->state & GDK_MOD1_MASK) != 0);
+                       return TRUE;
+               } else {
+                       icon_selected(mimeview, num, partinfo);
+                       toggle_icon(GTK_TOGGLE_BUTTON(button), mimeview);
+                       return TRUE;
+               }
 
-       mimeview_update_names(mimeview);
-       mimeview_update_signature_info(mimeview);
+       case GDK_n:
+       case GDK_N:
+               BREAK_ON_MODIFIER_KEY();
+               if (icon_list_select_by_number(mimeview, num + 1)) {
+                       KEY_PRESS_EVENT_STOP();
+                       return TRUE;
+               }
+               break;
+               
+       case GDK_p:
+       case GDK_P:
+               BREAK_ON_MODIFIER_KEY();
+               if (icon_list_select_by_number(mimeview, num - 1)) {
+                       KEY_PRESS_EVENT_STOP();
+                       return TRUE;
+               }
+               break;
 
-       textview_show_message(mimeview->messageview->textview, mimeinfo,
-                             mimeview->file);
+       case GDK_y:
+               BREAK_ON_MODIFIER_KEY();
+               KEY_PRESS_EVENT_STOP();
+               mimeview_save_as(mimeview);
+               return TRUE;
+       case GDK_t:
+               BREAK_ON_MODIFIER_KEY();
+               KEY_PRESS_EVENT_STOP();
+               mimeview_display_as_text(mimeview);
+               return TRUE;    
+       case GDK_l:
+               BREAK_ON_MODIFIER_KEY();
+               KEY_PRESS_EVENT_STOP();
+               mimeview_launch(mimeview);
+               return TRUE;
+       default:
+               break;
+       }
+
+       if (!mimeview->messageview->mainwin) return FALSE;
+       summaryview = mimeview->messageview->mainwin->summaryview;
+       summary_pass_key_press_event(summaryview, event);
+       return TRUE;
 }
-#endif /* USE_GPGME */
 
-void mimeview_register_viewer_factory(MimeViewerFactory *factory)
+static void toggle_icon(GtkToggleButton *button, MimeView *mimeview)
 {
-       mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
+       GList *child;
+       
+       child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
+       for (; child != NULL; child = g_list_next(child)) {
+               if (GTK_IS_TOGGLE_BUTTON(child->data) && 
+                   GTK_TOGGLE_BUTTON(child->data) != button &&
+                   gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(child->data)))
+                       gtk_toggle_button_set_active
+                               (GTK_TOGGLE_BUTTON(child->data),
+                                FALSE);
+       }
 }
 
-static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
+static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo) 
 {
-       return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
+       GtkWidget *pixmap;
+       GtkWidget *vbox;
+       GtkWidget *button;
+       gchar *tip;
+       gchar *desc = NULL;
+       StockPixmap stockp;
+       
+       vbox = mimeview->icon_vbox;
+       mimeview->icon_count++;
+       button = gtk_toggle_button_new();
+       gtk_button_set_relief(GTK_BUTTON(button), GTK_RELIEF_NONE);
+       gtk_object_set_data(GTK_OBJECT(button), "icon_number", 
+               GINT_TO_POINTER(mimeview->icon_count));
+       gtk_object_set_data(GTK_OBJECT(button), "partinfo", 
+               mimeinfo);
+       
+       switch (mimeinfo->type) {
+               
+       case MIMETYPE_TEXT:
+               if (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "html"))
+                       stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
+               else if  (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "enriched"))
+                       stockp = STOCK_PIXMAP_MIME_TEXT_ENRICHED;
+               else
+                       stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
+               break;
+       case MIMETYPE_MESSAGE:
+               stockp = STOCK_PIXMAP_MIME_MESSAGE;
+               break;
+       case MIMETYPE_APPLICATION:
+               if (mimeinfo->subtype && !g_strcasecmp(mimeinfo->subtype, "octet-stream"))
+                       stockp = STOCK_PIXMAP_MIME_APPLICATION_OCTET_STREAM;
+               else
+                       stockp = STOCK_PIXMAP_MIME_APPLICATION;
+               break;
+       case MIMETYPE_IMAGE:
+               stockp = STOCK_PIXMAP_MIME_IMAGE;
+               break;
+       case MIMETYPE_AUDIO:
+               stockp = STOCK_PIXMAP_MIME_AUDIO;
+               break;
+       default:
+               stockp = STOCK_PIXMAP_MIME_UNKNOWN;
+               break;
+       }
+       
+       pixmap = stock_pixmap_widget(mimeview->mainwin->window, stockp);
+       gtk_container_add(GTK_CONTAINER(button), pixmap);
+       
+       if (!desc) {
+               if (prefs_common.attach_desc)
+                       desc = get_part_description(mimeinfo);
+               else
+                       desc = get_part_name(mimeinfo);
+       }
+
+       if (desc && *desc)
+               tip = g_strdup_printf("%s\n%s/%s\n%s", desc,
+                               procmime_get_type_str(mimeinfo->type),
+                               mimeinfo->subtype, 
+                               to_human_readable(mimeinfo->length));
+       else            
+               tip = g_strdup_printf("%s/%s\n%s",
+                               procmime_get_type_str(mimeinfo->type),
+                               mimeinfo->subtype, 
+                               to_human_readable(mimeinfo->length));
+
+       gtk_tooltips_set_tip(mimeview->tooltips, button, tip, NULL);
+       g_free(tip);
+       gtk_widget_show_all(button);
+       gtk_signal_connect(GTK_OBJECT(button), "button_press_event", 
+                          GTK_SIGNAL_FUNC(icon_clicked_cb), mimeview);
+       gtk_signal_connect(GTK_OBJECT(button), "key_press_event", 
+                          GTK_SIGNAL_FUNC(icon_key_pressed), mimeview);
+       gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 0);
+
 }
 
-void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
+static void icon_list_clear (MimeView *mimeview)
 {
-       GSList *mimeview_list, *viewer_list;
+       GList     *child;
+       GtkAdjustment *adj;
+       
+       child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
+       for (; child != NULL; child = g_list_next(child)) {
+               gtkut_container_remove(GTK_CONTAINER(mimeview->icon_vbox), 
+                                      GTK_WIDGET(child->data));
+       }
+       mimeview->icon_count = 0;
+       adj  = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
+       adj->value = adj->lower;
+       gtk_signal_emit_by_name(GTK_OBJECT (adj), "value_changed");
+}
 
-       for (mimeview_list = mimeviews; mimeview_list != NULL; mimeview_list = g_slist_next(mimeview_list)) {
-               MimeView *mimeview = (MimeView *) mimeview_list->data;
+static void icon_list_toggle_by_mime_info(MimeView     *mimeview,
+                                         MimeInfo      *mimeinfo)
+{
+       GList *child;
+       
+       child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
+       for (; child != NULL; child = g_list_next(child)) {
+               if (GTK_IS_TOGGLE_BUTTON(child->data) &&  
+                   gtk_object_get_data(GTK_OBJECT(child->data),
+                                       "partinfo") == (gpointer)mimeinfo) {
+                       toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
+                       gtk_toggle_button_set_active
+                               (GTK_TOGGLE_BUTTON(child->data), TRUE);
+               }                                
+       }
+}
+
+/*!
+ *\brief        Used to 'click' the next or previous icon.
+ *
+ *\return       true if the icon 'number' exists and was selected.
+ */
+static gboolean icon_list_select_by_number(MimeView    *mimeview,
+                                          gint          number)
+{
+       GList *child;
+
+       if (number == 0) return FALSE;
+       child = gtk_container_children(GTK_CONTAINER(mimeview->icon_vbox));
+       for (; child != NULL; child = g_list_next(child)) {
+               if (GTK_IS_TOGGLE_BUTTON(child->data) &&  
+                   GPOINTER_TO_INT(gtk_object_get_data(GTK_OBJECT(child->data),
+                                       "icon_number")) == number) {
+                       icon_selected(mimeview, number,
+                                     (MimeInfo*)gtk_object_get_data(GTK_OBJECT(child->data),
+                                                                    "partinfo"));
+                       toggle_icon(GTK_TOGGLE_BUTTON(child->data), mimeview);
+                       gtk_toggle_button_set_active
+                               (GTK_TOGGLE_BUTTON(child->data), TRUE);
+                       gtk_widget_grab_focus(GTK_WIDGET(child->data));
                
-               if (mimeview->mimeviewer && mimeview->mimeviewer->factory == factory) {
-                       mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
-                       mimeview->mimeviewer = NULL;
-               }
+                       return TRUE;
+               }                                
+       }
+       return FALSE;
+}
 
-               while ((viewer_list = g_slist_find_custom(mimeview->viewers, factory, cmp_viewer_by_factroy)) != NULL) {
-                       MimeViewer *mimeviewer = (MimeViewer *) viewer_list->data;
+static void icon_scroll_size_allocate_cb(GtkWidget *widget, 
+                                       GtkAllocation *size, MimeView *mimeview)
+{
+       GtkAllocation *mainbox_size;
+       GtkAllocation *vbox_size;
+       GtkAllocation *layout_size;
+       GtkAdjustment *adj;
+       
+       adj = gtk_layout_get_vadjustment(GTK_LAYOUT(mimeview->icon_scroll));
 
-                       mimeviewer->destroy_viewer(mimeviewer);
-                       mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
-               }
+       mainbox_size = &mimeview->icon_mainbox->allocation;
+       vbox_size = &mimeview->icon_vbox->allocation;
+       layout_size = &mimeview->icon_scroll->allocation;
+       
+       /* centralise the vbox */
+       gtk_layout_move(GTK_LAYOUT(mimeview->icon_scroll), mimeview->icon_vbox, 
+                       (mainbox_size->width - vbox_size->width)/2, 0);
+       
+       gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll), 
+                           GTK_LAYOUT(mimeview->icon_scroll)->width, 
+                           MAX(vbox_size->height, layout_size->height));
+       adj->step_increment = 5;
+}
+
+static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
+{
+       GtkRequisition size;
+       gint           width;
+       g_return_if_fail(mimeinfo != NULL);
+
+       while (mimeinfo != NULL) {
+               if (mimeinfo->type != MIMETYPE_MULTIPART)
+                       icon_list_append_icon(mimeview, mimeinfo);
+               if (mimeinfo->children != NULL)
+                       icon_list_create(mimeview, mimeinfo->children);
+               mimeinfo = mimeinfo->next;
+       }
+       gtk_widget_size_request(mimeview->icon_vbox, &size);
+       width = size.width + 4;
+       if (width > mimeview->icon_mainbox->requisition.width) {
+               gtk_widget_set_usize(mimeview->icon_mainbox, 
+                                    width, -1);
        }
 
-       mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
+}
+
+static void mime_toggle_button_cb (GtkWidget *button, MimeView *mimeview) 
+{
+       gtk_widget_ref(button); 
+
+       if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button))) {
+               gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_RIGHT, 
+                                       GTK_SHADOW_NONE);
+               gtk_widget_hide(mimeview->icon_mainbox);
+               gtk_widget_show(mimeview->ctree_mainbox);
+               gtk_paned_set_position(GTK_PANED(mimeview->paned), mimeview->oldsize);
+
+               gtkut_container_remove(GTK_CONTAINER(mimeview->icon_mainbox), 
+                                       button);
+               gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox), 
+                                  button, FALSE, FALSE, 0);
+               gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 6);
+       } else {
+               gtk_arrow_set(GTK_ARROW(GTK_BIN(button)->child), GTK_ARROW_LEFT, 
+                             GTK_SHADOW_NONE);
+               mimeview->oldsize = mimeview->ctree_mainbox->allocation.height;
+               gtk_widget_hide(mimeview->ctree_mainbox);
+               gtk_widget_show(mimeview->icon_mainbox);
+               gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
+
+               gtkut_container_remove(GTK_CONTAINER(mimeview->ctree_mainbox), 
+                                       button);
+               gtk_box_pack_start(GTK_BOX(mimeview->icon_mainbox), 
+                                  button, FALSE, FALSE, 0);
+               gtk_box_reorder_child(GTK_BOX(button->parent), button, 0);
+               if (mimeview->opened)
+                       icon_list_toggle_by_mime_info
+                               (mimeview, gtk_ctree_node_get_row_data(GTK_CTREE(mimeview->ctree), 
+                                                                      mimeview->opened));
+
+               gtk_paned_set_gutter_size(GTK_PANED(mimeview->paned), 0);
+       }
+       gtk_widget_grab_focus(button);
+       gtk_widget_unref(button);
+
+}
+
+void mimeview_update (MimeView *mimeview) {
+       if (mimeview && mimeview->mimeinfo) {
+               icon_list_clear(mimeview);
+               icon_list_create(mimeview, mimeview->mimeinfo);
+       }
 }