talons

mimeview.c (60509B)

---

 /*
  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
  * Copyright (C) 1999-2024 the Claws Mail team and Hiroyuki Yamamoto
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 3 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 #include "defs.h"
 
 #include <glib.h>
 #include <glib/gi18n.h>
 #include <gdk/gdkkeysyms.h>
 #include <gtk/gtk.h>
 #include <stdio.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 
 #include "main.h"
 #include "mimeview.h"
 #include "textview.h"
 #include "procmime.h"
 #include "summaryview.h"
 #include "menu.h"
 #include "filesel.h"
 #include "alertpanel.h"
 #include "inputdialog.h"
 #include "utils.h"
 #include "gtkutils.h"
 #include "prefs_common.h"
 #include "procheader.h"
 #include "stock_pixmap.h"
 #include "gtk/gtkvscrollbutton.h"
 #include "gtk/logwindow.h"
 #include "manage_window.h"
 #include "file-utils.h"
 
 typedef enum
 {
 	COL_MIMETYPE = 0,
 	COL_SIZE     = 1,
 	COL_NAME     = 2,
 	COL_DATA     = 3,
 	N_MIMEVIEW_COLUMNS
 } MimeViewColumnPos;
 
 #define N_MIMEVIEW_COLS	(N_MIMEVIEW_COLUMNS)
 
 static void mimeview_set_multipart_tree		(MimeView	*mimeview,
 						 MimeInfo	*mimeinfo,
 						 GtkTreeIter	*parent);
 static void mimeview_show_message_part		(MimeView	*mimeview,
 						 MimeInfo	*partinfo);
 static void mimeview_change_view_type		(MimeView	*mimeview,
 						 MimeViewType	 type);
 static gchar *mimeview_get_filename_for_part	(MimeInfo	*partinfo,
 						 const gchar	*basedir,
 						 gint		 number);
 static gint mimeview_write_part		(const gchar	*filename,
 					 MimeInfo	*partinfo,
 					 gboolean	 handle_error);
 
 static void mimeview_selected		(GtkTreeSelection	*selection,
 					 MimeView	*mimeview);
 static gint mimeview_button_pressed	(GtkWidget	*widget,
 					 GdkEventButton	*event,
 					 MimeView	*mimeview);
 
 static gboolean mimeview_scrolled	(GtkWidget	*widget,
 					 GdkEventScroll	*event,
 					 MimeView	*mimeview);
 
 static void mimeview_save_all		(MimeView	*mimeview,
 					 gboolean	 attachments_only);
 static void mimeview_open_part_with	(MimeView	*mimeview,
 					 MimeInfo	*partinfo,
 					 gboolean	 automatic);
 static void mimeview_send_to		(MimeView	*mimeview,
 					 MimeInfo	*partinfo);
 static void mimeview_view_file		(const gchar	*filename,
 					 MimeInfo	*partinfo,
 					 const gchar	*cmd,
 					 MimeView  	*mimeview);
 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 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 void ctree_size_allocate_cb	(GtkWidget	*widget,
 					 GtkAllocation	*allocation,
 					 MimeView	*mimeview);
 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 				    MimeView *mimeview);
 static gboolean part_button_pressed	(MimeView 	*mimeview,
 					 GdkEventButton *event,
 					 MimeInfo 	*partinfo);
 static void icon_scroll_size_allocate_cb(GtkWidget 	*widget,
 					 GtkAllocation  *layout_size,
 					 MimeView 	*mimeview);
 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview);
 static const gchar *get_part_name(MimeInfo *partinfo);
 static const gchar *get_part_description(MimeInfo *partinfo);
 
 static void mimeview_launch_cb(GtkAction *action, gpointer data)
 {
 	MimeView *mimeview = (MimeView *)data;
 	mimeview_launch(mimeview, mimeview_get_part_to_use(mimeview));
 }
 
 static void mimeview_open_with_cb(GtkAction *action, gpointer data)
 {
 	mimeview_open_with((MimeView *)data);
 }
 
 static void mimeview_copy_cb(GtkAction *action, gpointer data)
 {
 	MimeView *mimeview = (MimeView *)data;
 	MimeInfo *mimeinfo = mimeview_get_part_to_use(mimeview);
 
 	if (mimeinfo == NULL)
 		return;
 
 	if (mimeinfo->type == MIMETYPE_IMAGE) {
 		GError *error = NULL;
 		GdkPixbuf *pixbuf = procmime_get_part_as_pixbuf(mimeinfo, &error);
 		if (error != NULL) {
 			g_warning("could not copy: %s", error->message);
 			g_error_free(error);
 		} else {
 			gtk_clipboard_set_image(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
 						pixbuf);
 		}
 		g_object_unref(pixbuf);
 	} else {
 		void *data = procmime_get_part_as_string(mimeinfo, FALSE);
 		gtk_clipboard_set_text(gtk_clipboard_get(GDK_SELECTION_CLIPBOARD),
 				       data, (gint)mimeinfo->length);
 		g_free(data);
 	}
 }
 
 static void mimeview_send_to_cb(GtkAction *action, gpointer data)
 {
 	MimeView *mimeview = (MimeView *)data;
 	mimeview_send_to(mimeview, mimeview_get_part_to_use(mimeview));
 }
 
 static void mimeview_display_as_text_cb(GtkAction *action, gpointer data)
 {
 	mimeview_display_as_text((MimeView *)data);
 }
 
 static void mimeview_save_as_cb(GtkAction *action, gpointer data)
 {
 	mimeview_save_as((MimeView *)data);
 }
 
 static void mimeview_save_all_cb(GtkAction *action, gpointer data)
 {
 	mimeview_save_all((MimeView *)data, FALSE);
 }
 
 static void mimeview_save_all_attachments_cb(GtkAction *action, gpointer data)
 {
 	mimeview_save_all((MimeView *)data, TRUE);
 }
 
 static void mimeview_select_next_part_cb(GtkAction *action, gpointer data)
 {
 	mimeview_select_next_part((MimeView *)data);
 }
 
 static void mimeview_select_prev_part_cb(GtkAction *action, gpointer data)
 {
 	mimeview_select_prev_part((MimeView *)data);
 }
 
 static GtkActionEntry mimeview_menu_actions[] = {
 	{ "MimeView", NULL, "MimeView", NULL, NULL, NULL },
 	{ "MimeView/Open", NULL, N_("_Open"), NULL, "Open MIME part", G_CALLBACK(mimeview_launch_cb) },
 	{ "MimeView/OpenWith", NULL, N_("Open _with..."), NULL, "Open MIME part with...", G_CALLBACK(mimeview_open_with_cb) },
 	{ "MimeView/Copy", NULL, N_("Copy"), NULL, "Copy", G_CALLBACK(mimeview_copy_cb) },
 	{ "MimeView/SendTo", NULL, N_("Send to..."), NULL, "Send to", G_CALLBACK(mimeview_send_to_cb) },
 	{ "MimeView/DisplayAsText", NULL, N_("_Display as text"), NULL, "Display as text", G_CALLBACK(mimeview_display_as_text_cb) },
 	{ "MimeView/SaveAs", NULL, N_("_Save as..."), NULL, "Save as", G_CALLBACK(mimeview_save_as_cb) },
 	{ "MimeView/SaveAll", NULL, N_("Save _all..."), NULL, "Save all parts", G_CALLBACK(mimeview_save_all_cb) },
 	{ "MimeView/SaveAllAttachments", NULL, N_("Save all attachments..."), NULL, "Save all attachments", G_CALLBACK(mimeview_save_all_attachments_cb) },
 	{ "MimeView/NextPart", NULL, N_("Next part"), NULL, "Next part", G_CALLBACK(mimeview_select_next_part_cb) },
 	{ "MimeView/PrevPart", NULL, N_("Previous part"), NULL, "Previous part", G_CALLBACK(mimeview_select_prev_part_cb) }
 };
 
 static GtkTargetEntry mimeview_mime_types[] =
 {
 	{"text/uri-list", 0, 0}
 };
 
 GSList *mimeviewer_factories;
 GSList *mimeviews;
 
 MimeView *mimeview_create(MainWindow *mainwin)
 {
 	MimeView *mimeview;
 
 	GtkWidget *paned;
 	GtkWidget *scrolledwin;
 	GtkWidget *ctree;
 	GtkWidget *mime_notebook;
 	GtkWidget *popupmenu;
 	GtkWidget *ctree_mainbox;
 	GtkWidget *vbox;
 	GtkWidget *mime_toggle;
 	GtkWidget *icon_mainbox;
 	GtkWidget *icon_scroll;
 	GtkWidget *icon_grid;
 	GtkWidget *arrow;
 	GtkWidget *scrollbutton;
 	GtkWidget *hbox;
 	GtkTreeStore *model;
 	GtkCellRenderer *renderer;
 	GtkTreeViewColumn *column;
 	GtkTreeSelection *selection;
 
 	gchar *titles[N_MIMEVIEW_COLS];
 	gint cols;
 
 	mimeview = g_new0(MimeView, 1);
 
 	titles[COL_MIMETYPE] = _("MIME Type");
 	titles[COL_SIZE]     = _("Size");
 	titles[COL_NAME]     = _("Name");
 
 	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_AUTOMATIC);
 
 	model = gtk_tree_store_new(N_MIMEVIEW_COLS,
 				   G_TYPE_STRING,
 				   G_TYPE_STRING,
 				   G_TYPE_STRING,
 				   G_TYPE_POINTER);
 
 	ctree = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model));
 	g_object_unref(model);
 	gtk_tree_view_set_enable_search(GTK_TREE_VIEW(ctree), FALSE);
 	gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(ctree),
 					prefs_common.show_col_headers);
 
 	renderer = gtk_cell_renderer_text_new();
 	cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 					-1, titles[COL_MIMETYPE],renderer,
 					"text", COL_MIMETYPE, NULL);
 	column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 
 	renderer = gtk_cell_renderer_text_new();
 	gtk_cell_renderer_set_alignment(renderer, 1, 0.5);
 	cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 					-1, titles[COL_SIZE], renderer,
 					"text", COL_SIZE, NULL);
 	column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 	gtk_tree_view_column_set_alignment(GTK_TREE_VIEW_COLUMN(column), 1);
 
 	renderer = gtk_cell_renderer_text_new();
 	cols = gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(ctree),
 					-1, titles[COL_NAME], renderer,
 					"text", COL_NAME, NULL);
 	column = gtk_tree_view_get_column(GTK_TREE_VIEW(ctree), cols-1);
 	gtk_tree_view_column_set_expand(GTK_TREE_VIEW_COLUMN(column), TRUE);
 
 	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(ctree));
 	gtk_tree_selection_set_mode(selection, GTK_SELECTION_BROWSE);
 
 	gtk_widget_show(ctree);
 	gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
 
 	g_signal_connect(G_OBJECT(selection), "changed",
 			 G_CALLBACK(mimeview_selected), mimeview);
 	g_signal_connect(G_OBJECT(ctree), "button_release_event",
 			 G_CALLBACK(mimeview_button_pressed), mimeview);
 
 	mime_notebook = gtk_notebook_new();
 	gtk_widget_set_name(GTK_WIDGET(mime_notebook), "mime_notebook");
 	gtk_widget_show(mime_notebook);
 	gtk_widget_set_can_focus(mime_notebook, FALSE);
 	gtk_notebook_set_show_tabs(GTK_NOTEBOOK(mime_notebook), FALSE);
 	gtk_notebook_set_show_border(GTK_NOTEBOOK(mime_notebook), FALSE);
 
 	icon_grid = gtk_grid_new();
 	gtk_orientable_set_orientation(GTK_ORIENTABLE(icon_grid),
 			GTK_ORIENTATION_VERTICAL);
 	gtk_grid_set_row_spacing(GTK_GRID(icon_grid), 0);
 	gtk_widget_show(icon_grid);
 	icon_scroll = gtk_layout_new(NULL, NULL);
 	gtk_widget_show(icon_scroll);
 	gtk_layout_put(GTK_LAYOUT(icon_scroll), icon_grid, 0, 0);
 	scrollbutton = gtk_vscrollbutton_new(gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(icon_scroll)));
 	gtk_widget_show(scrollbutton);
 
 	g_signal_connect(G_OBJECT(icon_scroll), "scroll_event",
 			 G_CALLBACK(mimeview_scrolled), mimeview);
 
     	mime_toggle = gtk_event_box_new();
 	gtk_event_box_set_visible_window(GTK_EVENT_BOX(mime_toggle), FALSE);
 
 	gtk_container_set_border_width(GTK_CONTAINER(mime_toggle), 2);
 	gtk_widget_show(mime_toggle);
 	mimeview->ctree_mode = FALSE;
 	arrow = gtk_image_new_from_icon_name("pan-start-symbolic", GTK_ICON_SIZE_MENU);
 	gtk_widget_show(arrow);
 	gtk_container_add(GTK_CONTAINER(mime_toggle), arrow);
 	g_signal_connect(G_OBJECT(mime_toggle), "button_release_event",
 			 G_CALLBACK(mime_toggle_button_cb), mimeview);
 
 	icon_mainbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 	gtk_widget_set_name(GTK_WIDGET(icon_mainbox), "mimeview_icon_mainbox");
 	gtk_widget_show(icon_mainbox);
 	gtk_widget_set_size_request(icon_mainbox, 32, -1);
 	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);
 	g_signal_connect(G_OBJECT(icon_mainbox), "size_allocate",
 			 G_CALLBACK(icon_scroll_size_allocate_cb), mimeview);
 
 	ctree_mainbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 	gtk_widget_set_name(GTK_WIDGET(ctree_mainbox), "mimeview_ctree_mainbox");
 	gtk_box_pack_start(GTK_BOX(ctree_mainbox), scrolledwin, TRUE, TRUE, 0);
 	g_signal_connect(G_OBJECT(ctree_mainbox), "size_allocate",
 			 G_CALLBACK(ctree_size_allocate_cb), mimeview);
 
 	mimeview->ui_manager = gtk_ui_manager_new();
 	mimeview->action_group = cm_menu_create_action_group_full(mimeview->ui_manager,
 			"MimeView", mimeview_menu_actions,
 			G_N_ELEMENTS(mimeview_menu_actions), (gpointer)mimeview);
 
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager, "/", "Menus", "Menus", GTK_UI_MANAGER_MENUBAR)
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/", "MimeView", "MimeView", GTK_UI_MANAGER_MENU);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "Open", "MimeView/Open",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "OpenWith", "MimeView/OpenWith",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "Copy", "MimeView/Copy",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "SendTo", "MimeView/SendTo",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "DisplayAsText", "MimeView/DisplayAsText",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "SaveAs", "MimeView/SaveAs",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "SaveAll", "MimeView/SaveAll",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "SaveAllAttachments", "MimeView/SaveAllAttachments",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "NextPart", "MimeView/NextPart",
 			GTK_UI_MANAGER_MENUITEM);
 	MENUITEM_ADDUI_MANAGER(mimeview->ui_manager,
 			"/Menus/MimeView/", "PrevPart", "MimeView/PrevPart",
 			GTK_UI_MANAGER_MENUITEM);
 
 	popupmenu = gtk_menu_item_get_submenu(GTK_MENU_ITEM(
 				gtk_ui_manager_get_widget(mimeview->ui_manager, "/Menus/MimeView")) );
 
 
 	vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 0);
 	gtk_widget_show(vbox);
 	gtk_box_pack_start(GTK_BOX(vbox), mime_notebook, TRUE, TRUE, 0);
 
 	paned = gtk_paned_new(GTK_ORIENTATION_VERTICAL);
 	gtk_widget_show(paned);
 	gtk_paned_pack1(GTK_PANED(paned), ctree_mainbox, FALSE, TRUE);
 	gtk_paned_pack2(GTK_PANED(paned), vbox, TRUE, TRUE);
 
 	hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 	gtk_widget_set_name(GTK_WIDGET(hbox), "mimeview");
 	gtk_box_pack_start(GTK_BOX(hbox), paned, TRUE, TRUE, 0);
 	gtk_box_pack_start(GTK_BOX(hbox), icon_mainbox, FALSE, FALSE, 0);
 
 	gtk_widget_show(hbox);
 	gtk_widget_hide(ctree_mainbox);
 	mimeview->hbox          = hbox;
 	mimeview->paned         = paned;
 	mimeview->scrolledwin   = scrolledwin;
 	mimeview->ctree         = ctree;
 	mimeview->mime_notebook = mime_notebook;
 	mimeview->popupmenu     = popupmenu;
 	mimeview->type          = -1;
 	mimeview->ctree_mainbox = ctree_mainbox;
 	mimeview->icon_scroll   = icon_scroll;
 	mimeview->icon_grid     = icon_grid;
 	mimeview->icon_mainbox  = icon_mainbox;
 	mimeview->icon_count    = 0;
 	mimeview->mainwin       = mainwin;
 	mimeview->mime_toggle   = mime_toggle;
 	mimeview->scrollbutton  = scrollbutton;
 	mimeview->arrow		= arrow;
 	mimeview->target_list	= gtk_target_list_new(mimeview_mime_types, 1);
 
 	mimeviews = g_slist_prepend(mimeviews, mimeview);
 
 	return mimeview;
 }
 
 void mimeview_init(MimeView *mimeview)
 {
 	textview_init(mimeview->textview);
 
 	gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 		GTK_WIDGET_PTR(mimeview->textview));
 }
 
 void mimeview_show_message(MimeView *mimeview, MimeInfo *mimeinfo,
 			   const gchar *file)
 {
 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 
 	mimeview_clear(mimeview);
 
 	mimeview->mimeinfo = mimeinfo;
 	mimeview->file = strdup(file);
 
 	g_signal_handlers_block_by_func(G_OBJECT(ctree), mimeview_selected, mimeview);
 
 	mimeview_set_multipart_tree(mimeview, mimeinfo, NULL);
 	gtk_tree_view_expand_all(ctree);
 	icon_list_create(mimeview, mimeinfo);
 
 	g_signal_handlers_unblock_by_func(G_OBJECT(ctree), mimeview_selected, mimeview);
 }
 
 static void mimeview_free_mimeinfo(MimeView *mimeview)
 {
 	if (mimeview->mimeinfo != NULL) {
 		procmime_mimeinfo_free_all(&mimeview->mimeinfo);
 		mimeview->mimeinfo = NULL;
 	}
 }
 
 void mimeview_destroy(MimeView *mimeview)
 {
 	GSList *cur;
 
 	for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 		MimeViewer *viewer = (MimeViewer *) cur->data;
 		viewer->destroy_viewer(viewer);
 	}
 	g_slist_free(mimeview->viewers);
 	gtk_target_list_unref(mimeview->target_list);
 
 	mimeview_free_mimeinfo(mimeview);
 	gtk_tree_path_free(mimeview->opened);
 	g_free(mimeview->file);
 	mimeviews = g_slist_remove(mimeviews, mimeview);
 	g_free(mimeview);
 }
 
 MimeInfo *mimeview_get_selected_part(MimeView *mimeview)
 {
 	return gtkut_tree_view_get_selected_pointer(
 			GTK_TREE_VIEW(mimeview->ctree), COL_DATA,
 			NULL, NULL, NULL);
 }
 
 MimeInfo *mimeview_get_node_part(MimeView *mimeview, GtkTreePath *path)
 {
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	GtkTreeIter iter;
 	MimeInfo *partinfo;
 
 	gtk_tree_model_get_iter(model, &iter, path);
 	gtk_tree_model_get(model, &iter, COL_DATA, &partinfo, -1);
 	return partinfo;
 }
 
 gboolean mimeview_tree_is_empty(MimeView *mimeview)
 {
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	GtkTreeIter iter;
 	return !gtk_tree_model_get_iter_first(model, &iter);
 }
 
 static gboolean mimeview_tree_next(GtkTreeModel *model, GtkTreePath *path)
 {
 	GtkTreeIter iter, parent;
 	gboolean has_parent;
 
 	gtk_tree_model_get_iter(model, &iter, path);
 
 	if (gtk_tree_model_iter_has_child(model, &iter)) {
 		gtk_tree_path_down(path);
 		return TRUE;
 	}
 
 	has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 
 	if (!gtk_tree_model_iter_next(model, &iter)) {
 		while (has_parent) {
 			GtkTreeIter saved_parent = parent;
 			gtk_tree_path_up(path);
 			if (gtk_tree_model_iter_next(model, &parent)) {
 				gtk_tree_path_next(path);
 				return TRUE;
 			} else {
 				has_parent = gtk_tree_model_iter_parent(model, &parent, &saved_parent);
 			}
 		}
 
 	} else {
 		gtk_tree_path_next(path);
 		return TRUE;
 	}
 
 	return FALSE;
 }
 
 static gboolean mimeview_tree_prev(MimeView *mimeview, GtkTreePath *path)
 {
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	GtkTreeIter iter, child, parent;
 	gboolean has_parent;
 
 	gtk_tree_model_get_iter(model, &iter, path);
 	has_parent = gtk_tree_model_iter_parent(model, &parent, &iter);
 
 	if (gtk_tree_path_prev(path)) {
 		gtk_tree_model_get_iter(model, &iter, path);
 
 		if (gtk_tree_model_iter_nth_child(model, &child, &iter, 0)) {
 			gtk_tree_path_down(path);
 
 			while (gtk_tree_model_iter_next(model, &child))
 				gtk_tree_path_next(path);
 		}
 
 		return TRUE;
 	}
 
 	if (has_parent) {
 		gtk_tree_path_up(path);
 		return TRUE;
 	}
 
 	return FALSE;
 }
 
 gint mimeview_get_selected_part_num(MimeView *mimeview)
 {
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	GtkTreeIter iter;
 	GtkTreePath *path;
 	gint i = 0;
 
 	if (!gtk_tree_model_get_iter_first(model, &iter))
 		return -1;
 	path = gtk_tree_model_get_path(model, &iter);
 
 	do {
 		if (!gtk_tree_path_compare(mimeview->opened, path)) {
 			gtk_tree_path_free(path);
 			return i;
 		}
 
 		i++;
 	} while (mimeview_tree_next(model, path));
 
 	gtk_tree_path_free(path);
 
 	return -1;
 }
 
 void mimeview_select_part_num(MimeView *mimeview, gint i)
 {
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	GtkTreeIter iter;
 	GtkTreePath *path;
 	GtkTreeSelection *selection;
 	gint x = 0;
 
 	if (i < 0)
 		return;
 
 	if (!gtk_tree_model_get_iter_first(model, &iter))
 		return;
 	path = gtk_tree_model_get_path(model, &iter);
 
 	while (x != i) {
 		if (!mimeview_tree_next(model, path)) {
 			gtk_tree_path_free(path);
 			return;
 		}
 		x++;
 	}
 
 	selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(mimeview->ctree));
 	gtk_tree_selection_select_path(selection, path);
 	gtk_tree_path_free(path);
 }
 
 static void mimeview_set_multipart_tree(MimeView *mimeview,
 					MimeInfo *mimeinfo,
 					GtkTreeIter *parent)
 {
 	GtkTreeStore *model = GTK_TREE_STORE(gtk_tree_view_get_model(
 					GTK_TREE_VIEW(mimeview->ctree)));
 	GtkTreeIter iter;
 	gchar *content_type, *length, *name;
 
 	cm_return_if_fail(mimeinfo != NULL);
 
 	while (mimeinfo != NULL) {
 		if (mimeinfo->type != MIMETYPE_UNKNOWN && mimeinfo->subtype)
 			content_type = g_strdup_printf("%s/%s",
 					procmime_get_media_type_str(mimeinfo->type),
 					mimeinfo->subtype);
 		else
 			content_type = g_strdup("UNKNOWN");
 
 		length = g_strdup(to_human_readable((goffset) mimeinfo->length));
 
 		if (prefs_common.attach_desc)
 			name = g_strdup(get_part_description(mimeinfo));
 		else
 			name = g_strdup(get_part_name(mimeinfo));
 
 		gtk_tree_store_append(model, &iter, parent);
 		gtk_tree_store_set(model, &iter,
 				COL_MIMETYPE, content_type,
 				COL_SIZE, length,
 				COL_NAME, name,
 				COL_DATA, mimeinfo, -1);
 		g_free(content_type);
 		g_free(length);
 		g_free(name);
 
 		if (mimeinfo->node->children)
 			mimeview_set_multipart_tree(mimeview,
 				(MimeInfo *) mimeinfo->node->children->data, &iter);
 		mimeinfo = mimeinfo->node->next != NULL ?
 				(MimeInfo *) mimeinfo->node->next->data : NULL;
 	}
 }
 
 static const gchar *get_real_part_name(MimeInfo *partinfo)
 {
 	const gchar *name = NULL;
 
 	name = procmime_mimeinfo_get_parameter(partinfo, "filename");
 	if (name == NULL)
 		name = procmime_mimeinfo_get_parameter(partinfo, "name");
 
 	return name;
 }
 
 static const gchar *get_part_name(MimeInfo *partinfo)
 {
 	const gchar *name;
 
 	name = get_real_part_name(partinfo);
 	if (name == NULL)
 		name = "";
 
 	return name;
 }
 
 static const gchar *get_part_description(MimeInfo *partinfo)
 {
 	if (partinfo->description)
 		return partinfo->description;
 	else
 		return get_part_name(partinfo);
 }
 
 static void mimeview_show_message_part(MimeView *mimeview, MimeInfo *partinfo)
 {
 	if (!partinfo) return;
 
 	FILE *fp;
 	if ((fp = fopen(mimeview->file, "r")) == NULL) {
 		warn("open %s", mimeview->file);
 		return;
 	}
 
 	mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 	textview_show_part(mimeview->textview, partinfo, fp);
 
 	fclose(fp);
 }
 
 static MimeViewer *get_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 {
 	GSList *cur;
 	MimeViewerFactory *factory = NULL;
 	MimeViewer *viewer = NULL;
 	gchar *real_contenttype = NULL, *tmp;
 
 	real_contenttype = g_utf8_strdown((gchar *)content_type, -1);
 
 	for (cur = mimeviewer_factories; cur != NULL; cur = g_slist_next(cur)) {
 		MimeViewerFactory *curfactory = cur->data;
 		gint i = 0;
 
 		while (curfactory->content_types[i] != NULL) {
 			tmp = g_utf8_strdown(curfactory->content_types[i], -1);
 			if (g_pattern_match_simple(tmp, real_contenttype)) {
 				debug_print("%s\n", curfactory->content_types[i]);
 				factory = curfactory;
 				g_free(tmp);
 				break;
 			}
 			g_free(tmp);
 			i++;
 		}
 		if (factory != NULL)
 			break;
 	}
 	g_free(real_contenttype);
 	if (factory == NULL)
 		return NULL;
 
 	for (cur = mimeview->viewers; cur != NULL; cur = g_slist_next(cur)) {
 		MimeViewer *curviewer = cur->data;
 
 		if (curviewer->factory == factory)
 			return curviewer;
 	}
 	viewer = factory->create_viewer();
 	gtk_container_add(GTK_CONTAINER(mimeview->mime_notebook),
 		GTK_WIDGET(viewer->get_widget(viewer)));
 
 	mimeview->viewers = g_slist_append(mimeview->viewers, viewer);
 
 	return viewer;
 }
 
 gboolean mimeview_has_viewer_for_content_type(MimeView *mimeview, const gchar *content_type)
 {
 	return (get_viewer_for_content_type(mimeview, content_type) != NULL);
 }
 
 static MimeViewer *get_viewer_for_mimeinfo(MimeView *mimeview, MimeInfo *partinfo)
 {
 	gchar *content_type = NULL;
 	MimeViewer *viewer = NULL;
 
 	if ((partinfo->type == MIMETYPE_APPLICATION) &&
             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 		const gchar *filename;
 
 		filename = procmime_mimeinfo_get_parameter(partinfo, "filename");
 		if (filename == NULL)
 			filename = procmime_mimeinfo_get_parameter(partinfo, "name");
 		if (filename != NULL)
 			content_type = procmime_get_mime_type(filename);
 	} else {
 		content_type = procmime_get_content_type_str(partinfo->type, partinfo->subtype);
 	}
 
 	if (content_type != NULL) {
 		viewer = get_viewer_for_content_type(mimeview, content_type);
 		g_free(content_type);
 	}
 
 	return viewer;
 }
 
 gboolean mimeview_show_part(MimeView *mimeview, MimeInfo *partinfo)
 {
 	MimeViewer *viewer;
 
 	viewer = get_viewer_for_mimeinfo(mimeview, partinfo);
 	if (viewer == NULL) {
 		if (mimeview->mimeviewer != NULL)
 			mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 		mimeview->mimeviewer = NULL;
 		return FALSE;
 	}
 
 	if (mimeview->mimeviewer != NULL)
 		mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 
 	if (mimeview->mimeviewer != viewer)
 		mimeview->mimeviewer = viewer;
 
 	mimeview_change_view_type(mimeview, MIMEVIEW_VIEWER);
 	viewer->mimeview = mimeview;
 	viewer->show_mimepart(viewer, mimeview->file, partinfo);
 
 	return TRUE;
 }
 
 static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
 {
 	TextView  *textview  = mimeview->textview;
 	GtkWidget *focused = NULL;
 
 	if (mainwindow_get_mainwindow())
 		focused = gtkut_get_focused_child(
 				GTK_CONTAINER(mainwindow_get_mainwindow()->window));
 
 	if ((mimeview->type != MIMEVIEW_VIEWER) &&
 	    (mimeview->type == type)) return;
 
 	switch (type) {
 	case MIMEVIEW_TEXT:
 		gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 			gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 			GTK_WIDGET_PTR(textview)));
 		break;
 	case MIMEVIEW_VIEWER:
 		gtk_notebook_set_current_page(GTK_NOTEBOOK(mimeview->mime_notebook),
 			gtk_notebook_page_num(GTK_NOTEBOOK(mimeview->mime_notebook),
 			GTK_WIDGET(mimeview->mimeviewer->get_widget(mimeview->mimeviewer))));
 		break;
 	default:
 		return;
 	}
 	if (focused)
 		gtk_widget_grab_focus(focused);
 	mimeview->type = type;
 }
 
 void mimeview_clear(MimeView *mimeview)
 {
 	GtkTreeModel *model;
 
 	if (!mimeview)
 		return;
 	if (g_slist_find(mimeviews, mimeview) == NULL)
 		return;
 
 	model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	gtk_tree_store_clear(GTK_TREE_STORE(model));
 
 	textview_clear(mimeview->textview);
 	if (mimeview->mimeviewer != NULL)
 		mimeview->mimeviewer->clear_viewer(mimeview->mimeviewer);
 
 	mimeview_free_mimeinfo(mimeview);
 
 	mimeview->mimeinfo = NULL;
 
 	gtk_tree_path_free(mimeview->opened);
 	mimeview->opened = NULL;
 
 	g_free(mimeview->file);
 	mimeview->file = NULL;
 
 	icon_list_clear(mimeview);
 	mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
 }
 
 static void mimeview_selected(GtkTreeSelection *selection, MimeView *mimeview)
 {
 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 	GtkTreeModel *model;
 	GtkTreeIter iter;
 	GtkTreePath *path;
 	MimeInfo *partinfo;
 	MainWindow *mainwin;
 	GdkDisplay *display;
 	GdkSeat *seat;
 	GdkDevice *device;
 
 	selection = gtk_tree_view_get_selection(ctree);
 	if (!gtk_tree_selection_get_selected(selection, &model, &iter))
 		return;
 
 	path = gtk_tree_model_get_path(model, &iter);
 
 	if (mimeview->opened && !gtk_tree_path_compare(mimeview->opened, path)) {
 		gtk_tree_path_free(path);
 		return;
 	}
 
 	gtk_tree_path_free(mimeview->opened);
 	mimeview->opened = path;
 	mimeview->spec_part = NULL;
 	gtk_tree_view_scroll_to_cell(ctree, path, NULL, TRUE, 0.5, 0);
 
 	partinfo = mimeview_get_node_part(mimeview, path);
 	if (!partinfo)
 		return;
 
 	/* ungrab the mouse event */
 	if (gtk_widget_has_grab(GTK_WIDGET(ctree))) {
 		gtk_grab_remove(GTK_WIDGET(ctree));
 		display = gdk_window_get_display(gtk_widget_get_window(GTK_WIDGET(ctree)));
 		seat = gdk_display_get_default_seat(display);
 		device = gdk_seat_get_pointer(seat);
 		if (gdk_display_device_is_grabbed(display, device))
 			gdk_seat_ungrab(seat);
 	}
 
 	mimeview->textview->default_text = FALSE;
 
 	if (!mimeview_show_part(mimeview, partinfo)) {
 		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);
 			textview_clear(mimeview->textview);
 			textview_show_mime_part(mimeview->textview, partinfo);
 			break;
 		}
 	}
 	mainwin = mainwindow_get_mainwindow();
 	if (mainwin)
 		main_window_set_menu_sensitive(mainwin);
 }
 
 static gint mimeview_button_pressed(GtkWidget *widget, GdkEventButton *event,
 				    MimeView *mimeview)
 {
 	GtkTreeSelection *selection;
 	GtkTreeIter iter;
 
 	if (!event) return FALSE;
 
 	if (event->button == 2 || event->button == 3) {
 		selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(widget));
 		if (!gtk_tree_selection_get_selected(selection, NULL, &iter))
 			return FALSE;
 
 		gtk_tree_selection_select_iter(selection, &iter);
 	}
 	part_button_pressed(mimeview, event, mimeview_get_selected_part(mimeview));
 
 	return FALSE;
 }
 
 static gboolean mimeview_scrolled(GtkWidget *widget, GdkEventScroll *event,
 				    MimeView *mimeview)
 {
 	GtkVScrollbutton *scrollbutton = (GtkVScrollbutton *)mimeview->scrollbutton;
 	if (event->direction == GDK_SCROLL_UP) {
 		scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
 	} else if (event->direction == GDK_SCROLL_DOWN) {
 		scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
 	} else {
 		gdouble x, y;
 
 		if ((event->direction == GDK_SCROLL_SMOOTH) &&
 				gdk_event_get_scroll_deltas((GdkEvent*)event, &x, &y)) {
 			if (y < 0)
 				scrollbutton->scroll_type = GTK_SCROLL_STEP_BACKWARD;
 			else
 				if (y >0)
 					scrollbutton->scroll_type = GTK_SCROLL_STEP_FORWARD;
 		} else
 			return FALSE; /* Scrolling left or right */
 	}
 	gtk_vscrollbutton_scroll(scrollbutton);
 	return TRUE;
 }
 
 static gboolean part_button_pressed(MimeView *mimeview, GdkEventButton *event,
 				    MimeInfo *partinfo)
 {
 	static MimeInfo *lastinfo;
 	static guint32 lasttime;
 
 	gint double_click_time;
 	g_object_get(gtk_settings_get_default(), "gtk-double-click-time", &double_click_time, NULL);
 
 	if (event->button == 2 ||
 	    (event->button == 1 && (event->time - lasttime) < double_click_time && lastinfo == partinfo)) {
 		/* call external program for image, audio or html */
 		mimeview_launch(mimeview, partinfo);
 		return TRUE;
 	} else if (event->button == 3) {
 		MainWindow *mainwin = mainwindow_get_mainwindow();
 
 		if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
 				 partinfo->type == MIMETYPE_IMAGE ||
 				 partinfo->type == MIMETYPE_MULTIPART))
 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", FALSE);
 		else
 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/DisplayAsText", TRUE);
 
 		if (partinfo && (partinfo->type == MIMETYPE_MESSAGE ||
 				 partinfo->type == MIMETYPE_IMAGE ||
 				 partinfo->type == MIMETYPE_TEXT))
 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", TRUE);
 		else
 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Copy", FALSE);
 		if (partinfo &&
 		    partinfo->type == MIMETYPE_APPLICATION &&
 		    !g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))
 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", FALSE);
 		else
 			cm_menu_set_sensitive_full(mimeview->ui_manager, "Menus/MimeView/Open", TRUE);
 		if (mainwin)
 			main_window_set_menu_sensitive(mainwin);
 		g_object_set_data(G_OBJECT(mimeview->popupmenu),
 				  "pop_partinfo", partinfo);
 
 		gtk_menu_popup_at_pointer(GTK_MENU(mimeview->popupmenu),
 				(GdkEvent *)event);
 		return TRUE;
 	}
 
 	lastinfo = partinfo;
 	lasttime = event->time;
 	return FALSE;
 }
 
 void mimeview_select_next_part(MimeView *mimeview)
 {
 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 	GtkTreeModel *model = gtk_tree_view_get_model(ctree);
 	GtkTreeSelection *selection;
 	GtkTreeIter iter;
 	GtkTreePath *path;
 	MimeInfo *partinfo = NULL;
 	gboolean has_next;
 
 	if (!mimeview->opened) return;
 
 	gtk_tree_model_get_iter(model, &iter, mimeview->opened);
 	path = gtk_tree_model_get_path(model, &iter);
 skip:
 	has_next = mimeview_tree_next(model, path);
 	if (!has_next) {
 		has_next = gtk_tree_model_get_iter_first(model, &iter);
 		gtk_tree_path_free(path);
 		path = gtk_tree_model_get_path(model, &iter);
 	}
 
 	if (has_next) {
 		partinfo = mimeview_get_node_part(mimeview, path);
 		if (partinfo->type == MIMETYPE_MULTIPART ||
 		    (!prefs_common.show_inline_attachments && partinfo->id))
 			goto skip;
 		selection = gtk_tree_view_get_selection(ctree);
 		gtk_tree_selection_select_path(selection, path);
 		icon_list_toggle_by_mime_info(mimeview, partinfo);
 	}
 
 	gtk_tree_path_free(path);
 }
 
 void mimeview_select_prev_part(MimeView *mimeview)
 {
 	GtkTreeView *ctree = GTK_TREE_VIEW(mimeview->ctree);
 	GtkTreeModel *model = gtk_tree_view_get_model(ctree);
 	GtkTreeSelection *selection;
 	GtkTreeIter iter;
 	GtkTreePath *path;
 	MimeInfo *partinfo = NULL;
 	gboolean has_prev;
 
 	if (!mimeview->opened) return;
 
 	gtk_tree_model_get_iter(model, &iter, mimeview->opened);
 	path = gtk_tree_model_get_path(model, &iter);
 skip:
 	has_prev = mimeview_tree_prev(mimeview, path);
 	if (!has_prev) {
 		while (mimeview_tree_next(model, path)) {}
 		has_prev = TRUE;
 	}
 
 	if (has_prev) {
 		partinfo = mimeview_get_node_part(mimeview, path);
 		if (partinfo->type == MIMETYPE_MULTIPART ||
 		    (!prefs_common.show_inline_attachments && partinfo->id))
 			goto skip;
 		selection = gtk_tree_view_get_selection(ctree);
 		gtk_tree_selection_select_path(selection, path);
 		icon_list_toggle_by_mime_info(mimeview, partinfo);
 	}
 
 	gtk_tree_path_free(path);
 }
 
 #define BREAK_ON_MODIFIER_KEY() \
 	if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
 
 /**
  * Returns a filename (with path) for an attachment
  * \param partinfo The attachment to save
  * \param basedir The target directory
  * \param number Used for dummy filename if attachment is unnamed
  */
 static gchar *mimeview_get_filename_for_part(MimeInfo *partinfo,
 				      const gchar *basedir,
 				      gint number)
 {
 	gchar *fullname;
 	gchar *filename;
 
 	filename = g_strdup(get_part_name(partinfo));
 	if (!filename || !*filename) {
 		g_free(filename);
 		filename = g_strdup_printf("noname.%d", number);
 	}
 
 	if (!g_utf8_validate(filename, -1, NULL)) {
 		gchar *tmp = conv_filename_to_utf8(filename);
 		g_free(filename);
 		filename = tmp;
 	}
 
 	subst_for_filename(filename);
 
 	fullname = g_strconcat
 		(basedir, G_DIR_SEPARATOR_S, (g_path_is_absolute(filename))
 		 ? &filename[1] : filename, NULL);
 
 	g_free(filename);
 	filename = conv_filename_from_utf8(fullname);
 	g_free(fullname);
 	return filename;
 }
 
 /**
  * Write a single attachment to file
  * \param filename Filename with path
  * \param partinfo Attachment to save
  */
 static gint mimeview_write_part(const gchar *filename,
 				MimeInfo *partinfo,
 				gboolean handle_error)
 {
 	gchar *dir;
 	gint err;
 
 	dir= g_path_get_dirname(filename);
 	if (!is_dir_exist(dir))
 		make_dir_hier(dir);
 	g_free(dir);
 
 	if (is_file_exist(filename)) {
 		AlertValue aval;
 		gchar *res;
 		gchar *tmp;
 
 		if (!g_utf8_validate(filename, -1, NULL))
 			tmp = conv_filename_to_utf8(filename);
 		else
 			tmp = g_strdup(filename);
 
 		res = g_strdup_printf(_("Overwrite existing file '%s'?"),
 				      tmp);
 		g_free(tmp);
 		aval = alertpanel(_("Overwrite"), res, NULL, _("_No"),
 				  NULL, _("_Yes"), NULL, NULL, ALERTFOCUS_FIRST);
 		g_free(res);
 		if (G_ALERTALTERNATE != aval)
 			return 2;
 	}
 
 	if ((err = procmime_get_part(filename, partinfo)) < 0) {
 		debug_print("error saving MIME part: %d\n", err);
 		if (handle_error)
 			alertpanel_error
 				(_("Couldn't save the part of multipart message: %s"),
 				 g_strerror(-err));
 		return 0;
 	}
 	return 1;
 }
 
 static AlertValue mimeview_save_all_error_ask(gint n)
 {
 	gchar *message = g_strdup_printf(
 		_("An error has occurred while saving message part %d. "
 		"Do you want to cancel saving or ignore error and "
 		"continue?"), n);
 	AlertValue av = alertpanel_full(_("Error saving message part"),
 		message, NULL, _("_Cancel"), NULL, _("Ignore"), NULL, _("Ignore all"),
 		ALERTFOCUS_FIRST, FALSE, NULL, ALERT_WARNING);
 	g_free(message);
 	return av;
 }
 
 static void mimeview_save_all_info(gint errors, gint total)
 {
 	AlertValue aval;
 	char msg[BUFSIZ];
 
 	if (!errors && prefs_common.show_save_all_success) {
 		snprintf(msg, sizeof(msg), "%d saved.", total);
 		aval = alertpanel_full("Notice", msg, NULL, "_Close",
 				       NULL, NULL, NULL, NULL, ALERTFOCUS_FIRST,
 				       TRUE, NULL, ALERT_NOTICE);
 		if (aval & G_ALERTDISABLE)
 			prefs_common.show_save_all_success = FALSE;
 	} else if (prefs_common.show_save_all_failure) {
 		snprintf(msg, sizeof(msg), "%d saved, %d failed.", total-errors, errors);
 		aval = alertpanel_full("Warning", msg, NULL, "_Close",
 				       NULL, NULL, NULL, NULL, ALERTFOCUS_FIRST,
 				       TRUE, NULL, ALERT_WARNING);
 		if (aval & G_ALERTDISABLE)
 			prefs_common.show_save_all_failure = FALSE;
 	}
 }
 
 /**
  * Menu callback: Save all attached files
  * \param mimeview Current display
  */
 static void mimeview_save_all(MimeView *mimeview, gboolean attachments_only)
 {
 	MimeInfo *partinfo;
 	gchar *dirname;
 	gchar *startdir = NULL;
 	gint number = 0, errors = 0;
 	gboolean skip_errors = FALSE;
 
 	if (!mimeview->opened) return;
 	if (!mimeview->file) return;
 	if (!mimeview->mimeinfo) return;
 
 	partinfo = mimeview->mimeinfo;
 	if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
 		startdir = g_strconcat(prefs_common.attach_save_dir, G_DIR_SEPARATOR_S, NULL);
 	else
 		startdir = g_strdup(get_home_dir());
 
 	manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
 	dirname = filesel_select_file_save_folder(_("Select destination folder"), startdir);
 	if (!dirname) {
 		g_free(startdir);
 		return;
 	}
 
 	if (!is_dir_exist (dirname)) {
 		alertpanel_error(_("'%s' is not a directory."), dirname);
 		g_free(startdir);
 		g_free(dirname);
 		return;
 	}
 
 	if (dirname[strlen(dirname)-1] == G_DIR_SEPARATOR)
 		dirname[strlen(dirname)-1] = '\0';
 
 	/* Skip the first part, that is sometimes DISPOSITIONTYPE_UNKNOWN */
 	if (partinfo && partinfo->type == MIMETYPE_MESSAGE)
 		partinfo = procmime_mimeinfo_next(partinfo);
 	if (partinfo && partinfo->type == MIMETYPE_MULTIPART) {
 		partinfo = procmime_mimeinfo_next(partinfo);
 		if (partinfo && partinfo->type == MIMETYPE_TEXT)
 			partinfo = procmime_mimeinfo_next(partinfo);
 	}
 
 	while (partinfo != NULL) {
 		if ((!attachments_only &&
 		    (partinfo->type != MIMETYPE_MESSAGE &&
 		     partinfo->type != MIMETYPE_MULTIPART &&
 		     (partinfo->disposition != DISPOSITIONTYPE_INLINE ||
 		      get_real_part_name(partinfo) != NULL))) ||
 		    (attachments_only &&
 		     (partinfo->disposition == DISPOSITIONTYPE_ATTACHMENT &&
 		      get_real_part_name(partinfo) != NULL))) {
 			gchar *filename = mimeview_get_filename_for_part(
 				partinfo, dirname, number++);
 
 			gint ok = mimeview_write_part(filename, partinfo, FALSE);
 			g_free(filename);
 			if (ok < 1) {
 				++errors;
 				if (!skip_errors) {
 					AlertValue av = mimeview_save_all_error_ask(number);
 					skip_errors = (av == G_ALERTOTHER);
 					if (av == G_ALERTDEFAULT) /* cancel */
 						break;
 				}
 			} else if (ok == 2)
 				number--;
 		}
 		partinfo = procmime_mimeinfo_next(partinfo);
 	}
 
 	g_free(prefs_common.attach_save_dir);
 	g_free(startdir);
 	prefs_common.attach_save_dir = g_filename_to_utf8(dirname,
 					-1, NULL, NULL, NULL);
 	g_free(dirname);
 
 	mimeview_save_all_info(errors, number);
 }
 
 static MimeInfo *mimeview_get_part_to_use(MimeView *mimeview)
 {
 	MimeInfo *partinfo = NULL;
 	if (mimeview->spec_part) {
 		partinfo = mimeview->spec_part;
 		mimeview->spec_part = NULL;
 	} else {
 		partinfo = (MimeInfo *) g_object_get_data
 			 (G_OBJECT(mimeview->popupmenu),
 			 "pop_partinfo");
 		g_object_set_data(G_OBJECT(mimeview->popupmenu),
 				  "pop_partinfo", NULL);
 		if (!partinfo) {
 			partinfo = mimeview_get_selected_part(mimeview);
 		}
 	}
 
 	return partinfo;
 }
 /**
  * Menu callback: Save the selected attachment
  * \param mimeview Current display
  */
 void mimeview_save_as(MimeView *mimeview)
 {
 	gchar *filename;
 	gchar *filepath = NULL;
 	gchar *filedir = NULL;
 	MimeInfo *partinfo;
 	gchar *partname = NULL;
 
 	if (!mimeview->opened) return;
 	if (!mimeview->file) return;
 
 	partinfo = mimeview_get_part_to_use(mimeview);
 
 	cm_return_if_fail(partinfo != NULL);
 
 	if (get_part_name(partinfo) == NULL) {
 		return;
 	}
 	partname = g_strdup(get_part_name(partinfo));
 
 	if (!g_utf8_validate(partname, -1, NULL)) {
 		gchar *tmp = conv_filename_to_utf8(partname);
 		if (!tmp) {
 			tmp = conv_codeset_strdup(partname,
 				conv_get_locale_charset_str(),
 				CS_UTF_8);
 		}
 		if (tmp) {
 			g_free(partname);
 			partname = tmp;
 		}
 	}
 
 	subst_for_filename(partname);
 
 	if (prefs_common.attach_save_dir && *prefs_common.attach_save_dir)
 		filepath = g_strconcat(prefs_common.attach_save_dir,
 				       G_DIR_SEPARATOR_S, partname, NULL);
 	else
 		filepath = g_strdup(partname);
 
 	g_free(partname);
 
 	manage_window_focus_in(gtk_widget_get_ancestor(mimeview->hbox, GTK_TYPE_WINDOW), NULL, NULL);
 	filename = filesel_select_file_save(_("Save as"), filepath);
 	if (!filename) {
 		g_free(filepath);
 		return;
 	}
 
 	mimeview_write_part(filename, partinfo, TRUE);
 
 	filedir = g_path_get_dirname(filename);
 	if (filedir && strcmp(filedir, ".")) {
 		g_free(prefs_common.attach_save_dir);
 		prefs_common.attach_save_dir = g_filename_to_utf8(filedir, -1, NULL, NULL, NULL);
 	}
 
 	g_free(filedir);
 	g_free(filepath);
 }
 
 void mimeview_display_as_text(MimeView *mimeview)
 {
 	MimeInfo *partinfo;
 
 	if (!mimeview->opened) return;
 
 	partinfo = mimeview_get_part_to_use(mimeview);
 	mimeview_select_mimepart_icon(mimeview, partinfo);
 	cm_return_if_fail(partinfo != NULL);
 	mimeview_show_message_part(mimeview, partinfo);
 }
 
 void mimeview_launch(MimeView *mimeview, MimeInfo *partinfo)
 {
 	gchar *filename;
 	gint err;
 
 	if (!mimeview->opened) return;
 	if (!mimeview->file) return;
 
 	if (!partinfo)
 		partinfo = mimeview_get_part_to_use(mimeview);
 
 	cm_return_if_fail(partinfo != NULL);
 
 	filename = procmime_get_tmp_file_name(partinfo);
 
 	if ((err = procmime_get_part(filename, partinfo)) < 0)
 		alertpanel_error
 			(_("Couldn't save the part of multipart message: %s"),
 				g_strerror(-err));
 	else
 		mimeview_view_file(filename, partinfo, NULL, mimeview);
 
 	g_free(filename);
 }
 
 void mimeview_open_with(MimeView *mimeview)
 {
 	MimeInfo *partinfo;
 
 	if (!mimeview) return;
 	if (!mimeview->opened) return;
 	if (!mimeview->file) return;
 
 	partinfo = mimeview_get_part_to_use(mimeview);
 
 	mimeview_open_part_with(mimeview, partinfo, FALSE);
 }
 
 static void mimeview_open_part_with(MimeView *mimeview, MimeInfo *partinfo, gboolean automatic)
 {
 	gchar *filename;
 	gchar *cmd;
 	gchar *mime_command = NULL;
 	gchar *content_type = NULL;
 	gint err;
 
 	cm_return_if_fail(partinfo != NULL);
 
 	filename = procmime_get_tmp_file_name(partinfo);
 
 	if ((err = procmime_get_part(filename, partinfo)) < 0) {
 		alertpanel_error
 			(_("Couldn't save the part of multipart message: %s"),
 				g_strerror(-err));
 		g_free(filename);
 		return;
 	}
 
 	if (!prefs_common.mime_open_cmd_history)
 		prefs_common.mime_open_cmd_history =
 			add_history(NULL, prefs_common.mime_open_cmd);
 
 	if ((partinfo->type == MIMETYPE_APPLICATION) &&
             (!g_ascii_strcasecmp(partinfo->subtype, "octet-stream"))) {
 	    	/* guess content-type from filename */
 	    	content_type = procmime_get_mime_type(filename);
 	}
 	if (content_type == NULL) {
 		content_type = procmime_get_content_type_str(partinfo->type,
 			partinfo->subtype);
 	}
 
 	if ((partinfo->type == MIMETYPE_TEXT && !strcmp(partinfo->subtype, "html"))
 	&& prefs_common_get_uri_cmd() && prefs_common.uri_cmd[0]) {
 		mime_command = g_strdup(prefs_common_get_uri_cmd());
 		g_free(content_type);
 		content_type = NULL;
 	} else if (partinfo->type != MIMETYPE_TEXT || !prefs_common_get_ext_editor_cmd()
 	||  !prefs_common_get_ext_editor_cmd()[0]) {
 		mime_command = mailcap_get_command_for_type(content_type, filename);
 	} else {
 		mime_command = g_strdup(prefs_common_get_ext_editor_cmd());
 		g_free(content_type);
 		content_type = NULL;
 	}
 	if (mime_command == NULL) {
 		/* try with extension this time */
 		g_free(content_type);
 		content_type = procmime_get_mime_type(filename);
 		mime_command = mailcap_get_command_for_type(content_type, filename);
 	}
 
 	if (mime_command == NULL)
 		automatic = FALSE;
 
 	if (!automatic) {
 		gboolean remember = FALSE;
 		if (content_type != NULL)
 			cmd = input_dialog_combo_remember
 				(_("Open with"),
 				 _("Enter the command-line to open file:\n"
 				   "('%s' will be replaced with file name)"),
 				 mime_command ? mime_command : prefs_common.mime_open_cmd,
 				 prefs_common.mime_open_cmd_history, &remember);
 		else
 			cmd = input_dialog_combo
 				(_("Open with"),
 				 _("Enter the command-line to open file:\n"
 				   "('%s' will be replaced with file name)"),
 				 mime_command ? mime_command : prefs_common.mime_open_cmd,
 				 prefs_common.mime_open_cmd_history);
 		if (cmd && remember) {
 			mailcap_update_default(content_type, cmd);
 		}
 		g_free(mime_command);
 	} else {
 		cmd = mime_command;
 	}
 	if (cmd) {
 		mimeview_view_file(filename, partinfo, cmd, mimeview);
 		g_free(prefs_common.mime_open_cmd);
 		prefs_common.mime_open_cmd = cmd;
 		prefs_common.mime_open_cmd_history =
 			add_history(prefs_common.mime_open_cmd_history, cmd);
 	}
 
 	g_free(content_type);
 	g_free(filename);
 }
 
 static void mimeview_send_to(MimeView *mimeview, MimeInfo *partinfo)
 {
 	GList *attach_file = NULL;
 	AttachInfo *ainfo = NULL;
 	gchar *filename;
 	gint err;
 
 	if (!mimeview->opened) return;
 	if (!mimeview->file) return;
 
 	cm_return_if_fail(partinfo != NULL);
 
 	filename = procmime_get_tmp_file_name(partinfo);
 
 	if (!(err = procmime_get_part(filename, partinfo))) {
 		ainfo = g_new0(AttachInfo, 1);
 		ainfo->file = filename;
 		ainfo->name = g_strdup(get_part_name(partinfo));
 		ainfo->content_type = procmime_get_content_type_str(
 					partinfo->type, partinfo->subtype);
 		ainfo->charset = g_strdup(procmime_mimeinfo_get_parameter(
 					partinfo, "charset"));
 		attach_file = g_list_append(attach_file, ainfo);
 
 		compose_new(NULL, NULL, attach_file);
 
 		g_free(ainfo->name);
 		g_free(ainfo->content_type);
 		g_free(ainfo->charset);
 		g_free(ainfo);
 		g_list_free(attach_file);
 	} else
 		alertpanel_error
 			(_("Couldn't save the part of multipart message: %s"),
 				g_strerror(-err));
 	g_free(filename);
 }
 
 static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
 			       const gchar *cmd, MimeView *mimeview)
 {
 	gchar *p;
 	gchar buf[BUFFSIZE];
 
 	if (cmd == NULL)
 		mimeview_open_part_with(mimeview, partinfo, TRUE);
 	else {
 		if ((p = strchr(cmd, '%')) && *(p + 1) == 's' &&
 		    !strchr(p + 2, '%')) {
 			g_snprintf(buf, sizeof(buf), cmd, filename);
 			if (!prefs_common.save_parts_readwrite)
 				g_chmod(filename, S_IRUSR);
 			else
 				g_chmod(filename, S_IRUSR|S_IWUSR);
  		} else {
 			g_warning("MIME viewer command-line is invalid: '%s'", cmd);
 			cmd = NULL;
 			mimeview_open_part_with(mimeview, partinfo, FALSE);
  		}
 		if (cmd != NULL && execute_command_line(buf, TRUE, NULL) != 0) {
 			if (!prefs_common.save_parts_readwrite)
 				g_chmod(filename, S_IRUSR|S_IWUSR);
 			mimeview_open_part_with(mimeview, partinfo, FALSE);
 		}
 	}
 }
 
 void mimeview_register_viewer_factory(MimeViewerFactory *factory)
 {
 	mimeviewer_factories = g_slist_append(mimeviewer_factories, factory);
 }
 
 static gint cmp_viewer_by_factroy(gconstpointer a, gconstpointer b)
 {
 	return ((MimeViewer *) a)->factory == (MimeViewerFactory *) b ? 0 : -1;
 }
 
 void mimeview_unregister_viewer_factory(MimeViewerFactory *factory)
 {
 	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;
 
 			mimeviewer->destroy_viewer(mimeviewer);
 			mimeview->viewers = g_slist_remove(mimeview->viewers, mimeviewer);
 		}
 	}
 
 	mimeviewer_factories = g_slist_remove(mimeviewer_factories, factory);
 }
 
 static gboolean icon_clicked_cb (GtkWidget *button, GdkEventButton *event, MimeView *mimeview)
 {
 	gint      num;
 	MimeInfo *partinfo;
 
 	num      = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(button), "icon_number"));
 	partinfo = g_object_get_data(G_OBJECT(button), "partinfo");
 
 	if (event->button == 1) {
 		icon_selected(mimeview, num, partinfo);
 		gtk_widget_grab_focus(button);
 		icon_list_toggle_by_mime_info(mimeview, partinfo);
 	}
 	part_button_pressed(mimeview, event, partinfo);
 
 	return FALSE;
 }
 
 static void icon_selected (MimeView *mimeview, gint num, MimeInfo *partinfo)
 {
 	GtkTreeModel *model = gtk_tree_view_get_model(GTK_TREE_VIEW(mimeview->ctree));
 	GtkTreeIter iter;
 	GtkTreePath *path;
 	MimeInfo *curr = NULL;
 
 	if (!gtk_tree_model_get_iter_first(model, &iter))
 		return;
 	path = gtk_tree_model_get_path(model, &iter);
 
 	do {
 		gtk_tree_model_get_iter(model, &iter, path);
 		gtk_tree_model_get(model, &iter, COL_DATA, &curr, -1);
 		if (curr == partinfo) {
 			GtkTreeSelection *sel = gtk_tree_view_get_selection(
 						GTK_TREE_VIEW(mimeview->ctree));
 			gtk_tree_selection_select_iter(sel, &iter);
 			gtk_tree_path_free(path);
 			return;
 		}
 	} while (mimeview_tree_next(model, path));
 
 	gtk_tree_path_free(path);
 }
 
 void mimeview_select_mimepart_icon(MimeView *mimeview, MimeInfo *partinfo)
 {
 	icon_list_toggle_by_mime_info(mimeview, partinfo);
 	icon_selected(mimeview, -1, partinfo);
 }
 
 static gint icon_key_pressed(GtkWidget *button, GdkEventKey *event,
 			     MimeView *mimeview)
 {
 	SummaryView  *summaryview;
 
 	if (!event) return FALSE;
 
 	switch (event->keyval) {
 	case GDK_KEY_y:
 		BREAK_ON_MODIFIER_KEY();
 		mimeview_save_as(mimeview);
 		return TRUE;
 	case GDK_KEY_t:
 		BREAK_ON_MODIFIER_KEY();
 		mimeview_display_as_text(mimeview);
 		return TRUE;
 	case GDK_KEY_l:
 		BREAK_ON_MODIFIER_KEY();
 		mimeview_launch(mimeview, NULL);
 		return TRUE;
 	case GDK_KEY_o:
 		BREAK_ON_MODIFIER_KEY();
 		mimeview_open_with(mimeview);
 		return TRUE;
 	case GDK_KEY_a:
 		BREAK_ON_MODIFIER_KEY();
 		mimeview_select_next_part(mimeview);
 		return TRUE;
 	default:
 		break;
 	}
 
 	if (!mimeview->messageview->mainwin) return FALSE;
 	summaryview = mimeview->messageview->mainwin->summaryview;
 	return summary_pass_key_press_event(summaryview, event);
 }
 
 static gboolean icon_popup_menu(GtkWidget *widget, gpointer data)
 {
 	MimeView *mimeview = (MimeView *)data;
 	MimeInfo *partinfo = g_object_get_data(G_OBJECT(widget), "partinfo");
 
 	g_object_set_data(G_OBJECT(mimeview->popupmenu),
 			  "pop_partinfo", partinfo);
 	gtk_menu_popup_at_pointer(GTK_MENU(mimeview->popupmenu), NULL);
 	return TRUE;
 }
 
 static void icon_list_append_icon (MimeView *mimeview, MimeInfo *mimeinfo)
 {
 	GtkWidget *pixmap = NULL;
 	GtkWidget *grid;
 	GtkWidget *button;
 	gchar *tip;
 	gchar *tiptmp;
 	const gchar *desc = NULL;
 	gchar *sigshort = NULL;
 	gchar *content_type;
 	StockPixmap stockp;
 	MimeInfo *partinfo;
 
 	if (!prefs_common.show_inline_attachments && mimeinfo->id)
 		return;
 
 	grid = mimeview->icon_grid;
 	mimeview->icon_count++;
 	button = gtk_event_box_new();
 
 	gtk_container_set_border_width(GTK_CONTAINER(button), 2);
 	g_object_set_data(G_OBJECT(button), "icon_number",
 			  GINT_TO_POINTER(mimeview->icon_count));
 	g_object_set_data(G_OBJECT(button), "partinfo",
 		          mimeinfo);
 
 	switch (mimeinfo->type) {
 
 	case MIMETYPE_TEXT:
 		if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "html"))
 			stockp = STOCK_PIXMAP_MIME_TEXT_HTML;
 		else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "calendar"))
 			stockp = STOCK_PIXMAP_MIME_TEXT_CALENDAR;
 		else if  (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "x-patch")
 				|| !g_ascii_strcasecmp(mimeinfo->subtype, "x-diff")))
 			stockp = STOCK_PIXMAP_MIME_TEXT_PATCH;
 		else
 			stockp = STOCK_PIXMAP_MIME_TEXT_PLAIN;
 		break;
 	case MIMETYPE_MESSAGE:
 		stockp = STOCK_PIXMAP_MIME_MESSAGE;
 		break;
 	case MIMETYPE_APPLICATION:
 		if (mimeinfo->subtype && (!g_ascii_strcasecmp(mimeinfo->subtype, "pgp-signature")
 		    || !g_ascii_strcasecmp(mimeinfo->subtype, "x-pkcs7-signature")
 		    || !g_ascii_strcasecmp(mimeinfo->subtype, "pkcs7-signature")))
 			stockp = STOCK_PIXMAP_MIME_PGP_SIG;
 		else if (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "pdf"))
 			stockp = STOCK_PIXMAP_MIME_PDF;
 		else if  (mimeinfo->subtype && !g_ascii_strcasecmp(mimeinfo->subtype, "postscript"))
 			stockp = STOCK_PIXMAP_MIME_PS;
 		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;
 	}
 
 	partinfo = mimeinfo;
 	while (partinfo != NULL) {
 		partinfo = procmime_mimeinfo_parent(partinfo);
 	}
 	pixmap = stock_pixmap_widget_with_overlay(stockp, 0, OVERLAY_NONE, 6, 3);
 
 	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);
 	}
 
 	content_type = procmime_get_content_type_str(mimeinfo->type,
 						     mimeinfo->subtype);
 
 	tip = g_strconcat("<b>", _("Type:"), "  </b>", content_type,
 			  "\n<b>", _("Size:"), " </b>",
 			  to_human_readable((goffset)mimeinfo->length), NULL);
 	g_free(content_type);
 	if (desc && *desc) {
 		gchar *tmp = NULL, *escaped = NULL;
 		if (!g_utf8_validate(desc, -1, NULL)) {
 			tmp = conv_filename_to_utf8(desc);
 		} else {
 			tmp = g_strdup(desc);
 		}
 		escaped = g_markup_escape_text(tmp,-1);
 
 		tiptmp = g_strconcat(tip, "\n<b>",
 				prefs_common.attach_desc && mimeinfo->description ?
 				_("Description:") : _("Filename:"),
 				" </b>", escaped, NULL);
 		g_free(tip);
 		tip = tiptmp;
 		g_free(tmp);
 		g_free(escaped);
 	}
 	if (sigshort && *sigshort) {
 		gchar *sigshort_escaped =
 			g_markup_escape_text(sigshort, -1);
 
 		tiptmp = g_strjoin("\n", tip, sigshort_escaped, NULL);
 		g_free(tip);
 		g_free(sigshort_escaped);
 		tip = tiptmp;
 	}
 
 	gtk_widget_set_tooltip_markup(button, tip);
 	g_free(tip);
 	gtk_widget_show_all(button);
 
 	g_signal_connect(G_OBJECT(button), "popup-menu",
 			 G_CALLBACK(icon_popup_menu), mimeview);
 	g_signal_connect(G_OBJECT(button), "button_release_event",
 			 G_CALLBACK(icon_clicked_cb), mimeview);
 	g_signal_connect(G_OBJECT(button), "key_press_event",
 			 G_CALLBACK(icon_key_pressed), mimeview);
 	gtk_container_add(GTK_CONTAINER(grid), button);
 }
 
 static void icon_list_clear (MimeView *mimeview)
 {
 	GList     *child, *orig;
 	GtkAdjustment *adj;
 
 	orig = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_grid));
 	for (child = orig; child != NULL; child = g_list_next(child)) {
 		gtk_container_remove(GTK_CONTAINER(mimeview->icon_grid),
 				     GTK_WIDGET(child->data));
 	}
 	g_list_free(orig);
 	mimeview->icon_count = 0;
 	adj  = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(mimeview->icon_scroll));
 	gtk_adjustment_set_value(adj, gtk_adjustment_get_lower(adj));
 }
 
 /*!
  *\brief        Used to 'click' the next or previous icon.
  *
  *\return       true if the icon 'number' exists and was selected.
  */
 static void icon_scroll_size_allocate_cb(GtkWidget *widget,
 					 GtkAllocation *size, MimeView *mimeview)
 {
 	GtkAllocation grid_size;
 	GtkAllocation layout_size;
 	GtkAdjustment *adj;
 	guint width;
 	guint height;
 
 	adj = gtk_scrollable_get_vadjustment(GTK_SCROLLABLE(mimeview->icon_scroll));
 
 	gtk_widget_get_allocation(mimeview->icon_grid, &grid_size);
 	gtk_widget_get_allocation(mimeview->icon_scroll, &layout_size);
 
 	gtk_layout_get_size(GTK_LAYOUT(mimeview->icon_scroll), &width, &height);
 	gtk_layout_set_size(GTK_LAYOUT(mimeview->icon_scroll),
 			    MIN(grid_size.width, layout_size.width),
 			    MAX(grid_size.height, layout_size.height));
 	gtk_adjustment_set_step_increment(adj, 10);
 }
 
 static void icon_list_create(MimeView *mimeview, MimeInfo *mimeinfo)
 {
 	icon_list_clear(mimeview);
 	while (mimeinfo != NULL) {
 		if (mimeinfo->type != MIMETYPE_MULTIPART)
 			icon_list_append_icon(mimeview, mimeinfo);
 		if (mimeinfo->node->children != NULL)
 			icon_list_create(mimeview,
 				(MimeInfo *) mimeinfo->node->children->data);
 		mimeinfo = mimeinfo->node->next != NULL
 			 ? (MimeInfo *) mimeinfo->node->next->data
 			 : NULL;
 	}
 
 	gint min_width, width;
 	gtk_widget_get_preferred_width(mimeview->icon_mainbox, &min_width, &width);
 	if (min_width < width) {
 		gtk_widget_set_size_request(mimeview->icon_mainbox,
 					    min_width, -1);
 	}
 	if (mimeview->opened)
 		icon_list_toggle_by_mime_info(mimeview,
 			mimeview_get_node_part(mimeview, mimeview->opened));
 }
 
 static void icon_list_toggle_by_mime_info (MimeView	*mimeview,
 					   MimeInfo	*mimeinfo)
 {
 	GList *children, *child;
 
 	children = gtk_container_get_children(GTK_CONTAINER(mimeview->icon_grid));
 	for (child = children; child != NULL; child = g_list_next(child)) {
 		gboolean *highlight = NULL;
 		GtkWidget *icon = gtk_bin_get_child(GTK_BIN(child->data));
 
 		if (!GTK_IS_EVENT_BOX(child->data))
 			continue;
 
 		highlight = g_object_get_data(G_OBJECT(icon), "highlight");
 		*highlight = (g_object_get_data(G_OBJECT(child->data),
 			 	      "partinfo") == (gpointer)mimeinfo);
 
 		gtk_widget_queue_draw(icon);
 	}
 	g_list_free(children);
 }
 
 static void ctree_size_allocate_cb(GtkWidget *widget, GtkAllocation *allocation,
 				    MimeView *mimeview)
 {
 	prefs_common.mimeview_tree_height = allocation->height;
 }
 
 static gint mime_toggle_button_cb(GtkWidget *button, GdkEventButton *event,
 				    MimeView *mimeview)
 {
 	g_object_ref(button);
 
 	mimeview->ctree_mode = !mimeview->ctree_mode;
 	if (mimeview->ctree_mode) {
 		gtk_image_set_from_icon_name(GTK_IMAGE(mimeview->arrow),
 					      "pan-end-symbolic", GTK_ICON_SIZE_MENU);
 		gtk_widget_hide(mimeview->icon_mainbox);
 		gtk_widget_show(mimeview->ctree_mainbox);
 		gtk_paned_set_position(GTK_PANED(mimeview->paned),
 					prefs_common.mimeview_tree_height);
 
 		gtk_container_remove(GTK_CONTAINER(mimeview->icon_mainbox),
 				     button);
 		gtk_box_pack_end(GTK_BOX(mimeview->ctree_mainbox),
 				   button, FALSE, FALSE, 0);
 	} else {
 		gtk_image_set_from_icon_name(GTK_IMAGE(mimeview->arrow),
 					      "pan-start-symbolic", GTK_ICON_SIZE_MENU);
 		gtk_widget_hide(mimeview->ctree_mainbox);
 		gtk_widget_show(mimeview->icon_mainbox);
 		gtk_paned_set_position(GTK_PANED(mimeview->paned), 0);
 
 		gtk_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(gtk_widget_get_parent(button)), button, 0);
 		if (mimeview->opened)
 			icon_list_toggle_by_mime_info(mimeview,
 					mimeview_get_node_part(mimeview, mimeview->opened));
 		summary_grab_focus(mimeview->mainwin->summaryview);
 	}
 	g_object_unref(button);
 	return TRUE;
 }
 
 void mimeview_update (MimeView *mimeview)
 {
 	if (mimeview && mimeview->mimeinfo) {
 		icon_list_create(mimeview, mimeview->mimeinfo);
 	}
 }
 
 void mimeview_handle_cmd(MimeView *mimeview, const gchar *cmd, GdkEventButton *event, gpointer data)
 {
 	MessageView *msgview = NULL;
 	MainWindow *mainwin = NULL;
 
 	if (!cmd)
 		return;
 
 	msgview = mimeview->messageview;
 	if (!msgview)
 		return;
 
 	mainwin = msgview->mainwin;
 	if (!mainwin)
 		return;
 
 	g_object_set_data(G_OBJECT(mimeview->popupmenu),
 			  "pop_partinfo", NULL);
 
 	if (!strcmp(cmd, "cm://view_log"))
 		log_window_show(mainwin->logwin);
 	else if (!strcmp(cmd, "cm://save_as"))
 		mimeview_save_as(mimeview);
 	else if (!strcmp(cmd, "cm://display_as_text"))
 		mimeview_display_as_text(mimeview);
 	else if (!strcmp(cmd, "cm://open_with"))
 		mimeview_open_with(mimeview);
 	else if (!strcmp(cmd, "cm://open"))
 		mimeview_launch(mimeview, NULL);
 	else if (!strcmp(cmd, "cm://select_attachment") && data != NULL) {
 		icon_list_toggle_by_mime_info(mimeview, (MimeInfo *)data);
 		icon_selected(mimeview, -1, (MimeInfo *)data);
 	} else if (!strcmp(cmd, "cm://open_attachment") && data != NULL) {
 		mimeview_launch(mimeview, (MimeInfo *)data);
 	} else if (!strcmp(cmd, "cm://menu_attachment") && data != NULL) {
 		mimeview->spec_part = (MimeInfo *)data;
 		part_button_pressed(mimeview, event, (MimeInfo *)data);
 	}
 }