claws-mail/src/mimeview.c
2002-08-15 07:38:17 +00:00

1093 lines
29 KiB
C

/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2002 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "defs.h"
#include <glib.h>
#include <gdk/gdkkeysyms.h>
#include <gtk/gtknotebook.h>
#include <gtk/gtkscrolledwindow.h>
#include <gtk/gtkctree.h>
#include <gtk/gtkvbox.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 <stdio.h>
#include <unistd.h>
#include "intl.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 "rfc2015.h"
#include "pgptext.h"
typedef enum
{
COL_MIMETYPE = 0,
COL_SIZE = 1,
COL_NAME = 2
} MimeViewColumnPos;
#define N_MIMEVIEW_COLS 3
static void mimeview_set_multipart_tree (MimeView *mimeview,
MimeInfo *mimeinfo,
GtkCTreeNode *parent);
static GtkCTreeNode *mimeview_append_part (MimeView *mimeview,
MimeInfo *partinfo,
GtkCTreeNode *parent);
static void mimeview_show_message_part (MimeView *mimeview,
MimeInfo *partinfo);
static void mimeview_show_image_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,
gint column,
MimeView *mimeview);
static void mimeview_start_drag (GtkWidget *widget,
gint button,
GdkEvent *event,
MimeView *mimeview);
static gint mimeview_button_pressed (GtkWidget *widget,
GdkEventButton *event,
MimeView *mimeview);
static gint mimeview_key_pressed (GtkWidget *widget,
GdkEventKey *event,
MimeView *mimeview);
static void mimeview_drag_data_get (GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *selection_data,
guint info,
guint time,
MimeView *mimeview);
static void mimeview_display_as_text (MimeView *mimeview);
static void mimeview_show_image (MimeView *mimeview);
static void mimeview_save_as (MimeView *mimeview);
static void mimeview_save_all (MimeView *mimeview);
static void mimeview_launch (MimeView *mimeview);
static void mimeview_open_with (MimeView *mimeview);
static void mimeview_view_file (const gchar *filename,
MimeInfo *partinfo,
const gchar *cmdline);
#if USE_GPGME
static void mimeview_check_signature (MimeView *mimeview);
#endif
static GtkItemFactoryEntry mimeview_popup_entries[] =
{
{N_("/_Open"), NULL, mimeview_launch, 0, NULL},
{N_("/Open _with..."), NULL, mimeview_open_with, 0, NULL},
{N_("/_Display as text"), NULL, mimeview_display_as_text, 0, NULL},
{N_("/_Display image"), NULL, mimeview_show_image, 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
};
static GtkTargetEntry mimeview_mime_types[] =
{
{"text/uri-list", 0, 0}
};
MimeView *mimeview_create(void)
{
MimeView *mimeview;
GtkWidget *notebook;
GtkWidget *vbox;
GtkWidget *paned;
GtkWidget *scrolledwin;
GtkWidget *ctree;
GtkWidget *mime_vbox;
GtkWidget *popupmenu;
GtkItemFactory *popupfactory;
gchar *titles[N_MIMEVIEW_COLS];
gint n_entries;
gint i;
debug_print("Creating MIME view...\n");
mimeview = g_new0(MimeView, 1);
titles[COL_MIMETYPE] = _("MIME Type");
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);
gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(notebook), vbox,
_("Text"));
scrolledwin = gtk_scrolled_window_new(NULL, NULL);
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_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);
for (i = 0; i < N_MIMEVIEW_COLS; i++)
GTK_WIDGET_UNSET_FLAGS(GTK_CLIST(ctree)->column[i].button,
GTK_CAN_FOCUS);
gtk_container_add(GTK_CONTAINER(scrolledwin), ctree);
gtk_signal_connect(GTK_OBJECT(ctree), "tree_select_row",
GTK_SIGNAL_FUNC(mimeview_selected), mimeview);
gtk_signal_connect(GTK_OBJECT(ctree), "button_press_event",
GTK_SIGNAL_FUNC(mimeview_button_pressed), mimeview);
gtk_signal_connect(GTK_OBJECT(ctree), "key_press_event",
GTK_SIGNAL_FUNC(mimeview_key_pressed), mimeview);
gtk_signal_connect(GTK_OBJECT (ctree),"start_drag",
GTK_SIGNAL_FUNC (mimeview_start_drag), mimeview);
gtk_signal_connect(GTK_OBJECT(ctree), "drag_data_get",
GTK_SIGNAL_FUNC(mimeview_drag_data_get), mimeview);
mime_vbox = gtk_vbox_new(FALSE, 0);
paned = gtk_vpaned_new();
gtk_paned_add1(GTK_PANED(paned), scrolledwin);
gtk_paned_add2(GTK_PANED(paned), mime_vbox);
gtk_container_add(GTK_CONTAINER(notebook), paned);
gtk_notebook_set_tab_label_text(GTK_NOTEBOOK(notebook), paned,
_("Attachments"));
gtk_widget_show_all(notebook);
gtk_notebook_set_page(GTK_NOTEBOOK(notebook), 0);
n_entries = sizeof(mimeview_popup_entries) /
sizeof(mimeview_popup_entries[0]);
popupmenu = menu_create_items(mimeview_popup_entries, n_entries,
"<MimeView>", &popupfactory, mimeview);
mimeview->notebook = notebook;
mimeview->vbox = vbox;
mimeview->paned = paned;
mimeview->scrolledwin = scrolledwin;
mimeview->ctree = ctree;
mimeview->mime_vbox = mime_vbox;
mimeview->popupmenu = popupmenu;
mimeview->popupfactory = popupfactory;
mimeview->type = -1;
return mimeview;
}
void mimeview_init(MimeView *mimeview)
{
}
/*
* 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(_("Select \"Check signature\" to check"));
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;
gchar buf[BUFFSIZE];
FILE *fp;
mimeview_clear(mimeview);
textview_clear(mimeview->messageview->textview);
g_return_if_fail(file != NULL);
g_return_if_fail(mimeinfo != NULL);
mimeview->mimeinfo = mimeinfo;
if ((fp = fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return;
}
mimeview->file = g_strdup(file);
/* skip MIME part headers */
if (mimeinfo->mime_type == MIME_MULTIPART) {
if (fseek(fp, mimeinfo->fpos, SEEK_SET) < 0)
perror("fseek");
while (fgets(buf, sizeof(buf), fp) != NULL)
if (buf[0] == '\r' || buf[0] == '\n') break;
}
procmime_scan_multipart_message(mimeinfo, fp);
#if USE_GPGME
if (prefs_common.auto_check_signatures)
rfc2015_check_signature(mimeinfo, 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);
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;
}
fclose(fp);
textview_show_message(mimeview->messageview->textview, mimeinfo, file);
if (!node)
node = GTK_CTREE_NODE(GTK_CLIST(ctree)->row_list);
if (node) {
gtk_ctree_select(ctree, node);
gtkut_ctree_set_focus_row(ctree, node);
gtk_widget_grab_focus(mimeview->ctree);
}
}
void mimeview_destroy(MimeView *mimeview)
{
procmime_mimeinfo_free_all(mimeview->mimeinfo);
g_free(mimeview->file);
g_free(mimeview);
}
static void mimeview_set_multipart_tree(MimeView *mimeview,
MimeInfo *mimeinfo,
GtkCTreeNode *parent)
{
GtkCTreeNode *current = parent;
g_return_if_fail(mimeinfo != NULL);
if (!mimeinfo->sub && mimeinfo->parent)
current = mimeview_append_part(mimeview, mimeinfo, parent);
if (mimeinfo->sub && !mimeinfo->sub->children &&
mimeinfo->sub->mime_type != MIME_TEXT &&
mimeinfo->sub->mime_type != MIME_TEXT_HTML) {
mimeview_append_part(mimeview, mimeinfo->sub, parent);
return;
}
if (mimeinfo->sub)
mimeview_set_multipart_tree(mimeview, mimeinfo->sub, current);
if (mimeinfo->children)
mimeview_set_multipart_tree(mimeview, mimeinfo->children, current);
if (mimeinfo->next)
mimeview_set_multipart_tree(mimeview, mimeinfo->next, parent);
}
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
return "";
}
static GtkCTreeNode *mimeview_append_part(MimeView *mimeview,
MimeInfo *partinfo,
GtkCTreeNode *parent)
{
GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
GtkCTreeNode *node;
gchar *str[N_MIMEVIEW_COLS];
str[COL_MIMETYPE] =
partinfo->content_type ? partinfo->content_type : "";
str[COL_SIZE] = to_human_readable(partinfo->size);
str[COL_NAME] = get_part_name(partinfo);
node = gtk_ctree_insert_node(ctree, parent, NULL, str, 0,
NULL, NULL, NULL, NULL,
FALSE, TRUE);
gtk_ctree_node_set_row_data(ctree, node, partinfo);
return node;
}
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) {
FILE_OP_ERROR(fname, "fopen");
return;
}
if (fseek(fp, partinfo->fpos, SEEK_SET) < 0) {
FILE_OP_ERROR(mimeview->file, "fseek");
fclose(fp);
return;
}
mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
textview_show_part(mimeview->textview, partinfo, fp);
fclose(fp);
}
static void mimeview_show_image_part(MimeView *mimeview, MimeInfo *partinfo)
{
gchar *filename;
if (!partinfo) return;
filename = procmime_get_tmp_file_name(partinfo);
if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
alertpanel_error
(_("Can't get the part of multipart message."));
else {
mimeview_change_view_type(mimeview, MIMEVIEW_IMAGE);
/* Workaround for the GTK+ bug with handling scroll adjustments
* in GtkViewport */
imageview_clear(mimeview->imageview);
imageview_show_image(mimeview->imageview, partinfo, filename);
unlink(filename);
}
g_free(filename);
}
static void mimeview_change_view_type(MimeView *mimeview, MimeViewType type)
{
TextView *textview = mimeview->textview;
ImageView *imageview = mimeview->imageview;
GList *children;
if (mimeview->type == type) return;
children = gtk_container_children(GTK_CONTAINER(mimeview->mime_vbox));
if (children) {
gtkut_container_remove(GTK_CONTAINER(mimeview->mime_vbox),
GTK_WIDGET(children->data));
g_list_free(children);
}
switch (type) {
case MIMEVIEW_IMAGE:
gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
GTK_WIDGET_PTR(imageview));
break;
case MIMEVIEW_TEXT:
gtk_container_add(GTK_CONTAINER(mimeview->mime_vbox),
GTK_WIDGET_PTR(textview));
break;
default:
return;
}
mimeview->type = type;
}
static void mimeview_clear(MimeView *mimeview)
{
GtkCList *clist = GTK_CLIST(mimeview->ctree);
procmime_mimeinfo_free_all(mimeview->mimeinfo);
mimeview->mimeinfo = NULL;
gtk_clist_clear(clist);
textview_clear(mimeview->textview);
imageview_clear(mimeview->imageview);
mimeview->opened = NULL;
g_free(mimeview->file);
mimeview->file = NULL;
/* gtk_notebook_set_page(GTK_NOTEBOOK(mimeview->notebook), 0); */
}
static void mimeview_selected(GtkCTree *ctree, GtkCTreeNode *node, gint column,
MimeView *mimeview)
{
MimeInfo *partinfo;
if (mimeview->opened == node) return;
mimeview->opened = node;
gtk_ctree_node_moveto(ctree, node, -1, 0.5, 0);
partinfo = gtk_ctree_node_get_row_data(ctree, node);
if (!partinfo) return;
/* ungrab the mouse event */
if (GTK_WIDGET_HAS_GRAB(ctree)) {
gtk_grab_remove(GTK_WIDGET(ctree));
if (gdk_pointer_is_grabbed())
gdk_pointer_ungrab(GDK_CURRENT_TIME);
}
mimeview->textview->default_text = FALSE;
switch (partinfo->mime_type) {
case MIME_TEXT:
case MIME_TEXT_HTML:
case MIME_TEXT_ENRICHED:
case MIME_MESSAGE_RFC822:
case MIME_MULTIPART:
mimeview_show_message_part(mimeview, partinfo);
break;
#if (HAVE_GDK_PIXBUF || HAVE_GDK_IMLIB)
case MIME_IMAGE:
mimeview->textview->default_text = TRUE;
if (prefs_common.display_img)
mimeview_show_image_part(mimeview, partinfo);
else {
mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
textview_show_mime_part(mimeview->textview, partinfo);
}
break;
#endif
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);
break;
}
}
static void mimeview_start_drag(GtkWidget *widget, gint button,
GdkEvent *event, MimeView *mimeview)
{
GtkTargetList *list;
GdkDragContext *context;
MimeInfo *partinfo;
GtkCTree *ctree;
g_return_if_fail(mimeview != NULL);
ctree = GTK_CTREE(mimeview->ctree);
partinfo = gtk_ctree_node_get_row_data(ctree, mimeview->opened);
if (partinfo->filename == NULL && partinfo->name == NULL) return;
list = gtk_target_list_new(mimeview_mime_types, 1);
context = gtk_drag_begin(widget, list,
GDK_ACTION_COPY, button, event);
gtk_drag_set_icon_default(context);
}
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;
if (event->button == 2 || event->button == 3) {
if (!gtk_clist_get_selection_info(clist, event->x, event->y,
&row, &column))
return FALSE;
gtk_clist_unselect_all(clist);
gtk_clist_select_row(clist, row, column);
gtkut_clist_set_focus_row(clist, row);
}
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 = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
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))
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)
menu_set_sensitive(mimeview->popupfactory,
"/Open", FALSE);
else
menu_set_sensitive(mimeview->popupfactory,
"/Open", TRUE);
#if (HAVE_GDK_PIXBUF || HAVE_GDK_IMLIB)
if (partinfo && (partinfo->mime_type == MIME_IMAGE))
menu_set_sensitive(mimeview->popupfactory,
"/Display image", TRUE);
#endif
#if USE_GPGME
menu_set_sensitive(mimeview->popupfactory,
"/Check signature",
mimeview_is_signed(mimeview));
#endif
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);
}
#define BREAK_ON_MODIFIER_KEY() \
if ((event->state & (GDK_MOD1_MASK|GDK_CONTROL_MASK)) != 0) break
#define KEY_PRESS_EVENT_STOP() \
if (gtk_signal_n_emissions_by_name \
(GTK_OBJECT(ctree), "key_press_event") > 0) { \
gtk_signal_emit_stop_by_name(GTK_OBJECT(ctree), \
"key_press_event"); \
}
static gint mimeview_key_pressed(GtkWidget *widget, GdkEventKey *event,
MimeView *mimeview)
{
SummaryView *summaryview;
GtkCTree *ctree = GTK_CTREE(widget);
GtkCTreeNode *node;
if (!event) return FALSE;
if (!mimeview->opened) return FALSE;
switch (event->keyval) {
case GDK_space:
if (textview_scroll_page(mimeview->textview, FALSE))
return TRUE;
node = GTK_CTREE_NODE_NEXT(mimeview->opened);
if (node) {
gtk_sctree_unselect_all(GTK_SCTREE(ctree));
gtk_sctree_select(GTK_SCTREE(ctree), node);
return TRUE;
}
break;
case GDK_BackSpace:
textview_scroll_page(mimeview->textview, TRUE);
return TRUE;
case GDK_Return:
textview_scroll_one_line(mimeview->textview,
(event->state & GDK_MOD1_MASK) != 0);
return TRUE;
case GDK_n:
case GDK_N:
BREAK_ON_MODIFIER_KEY();
if (!GTK_CTREE_NODE_NEXT(mimeview->opened)) break;
KEY_PRESS_EVENT_STOP();
gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
GTK_SCROLL_STEP_FORWARD, 0.0);
return TRUE;
case GDK_p:
case GDK_P:
BREAK_ON_MODIFIER_KEY();
if (!GTK_CTREE_NODE_PREV(mimeview->opened)) break;
KEY_PRESS_EVENT_STOP();
gtk_signal_emit_by_name(GTK_OBJECT(ctree), "scroll_vertical",
GTK_SCROLL_STEP_BACKWARD, 0.0);
return TRUE;
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_i:
BREAK_ON_MODIFIER_KEY();
KEY_PRESS_EVENT_STOP();
mimeview_show_image(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;
}
static void mimeview_drag_data_get(GtkWidget *widget,
GdkDragContext *drag_context,
GtkSelectionData *selection_data,
guint info,
guint time,
MimeView *mimeview)
{
gchar *filename, *uriname;
MimeInfo *partinfo;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
if (!partinfo) return;
if (!partinfo->filename && !partinfo->name) return;
filename = partinfo->filename ? partinfo->filename : partinfo->name;
filename = g_basename(filename);
if (*filename == '\0') return;
filename = g_strconcat(get_mime_tmp_dir(), G_DIR_SEPARATOR_S,
filename, NULL);
if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
alertpanel_error
(_("Can't save the part of multipart message."));
uriname = g_strconcat("file:/", filename, NULL);
gtk_selection_data_set(selection_data, selection_data->target, 8,
uriname, strlen(uriname));
g_free(uriname);
g_free(filename);
}
static void mimeview_save_all(MimeView *mimeview)
{
gchar *dirname;
gchar *defname = NULL;
MimeInfo *partinfo;
MimeInfo *attachment;
gchar buf[1024];
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
g_return_if_fail(partinfo != NULL);
dirname = filesel_select_file(_("Save as"), defname);
if (!dirname) return;
/* return to first children */
attachment = partinfo->parent->children->next;
/* for each attachment, extract it in the selected dir. */
while(attachment != NULL)
{
static guint subst_cnt = 1;
gchar *attachdir;
gchar *attachname = (attachment->filename)
? g_strdup(attachment->filename)
: g_strdup_printf("noname.%d",subst_cnt++);
subst_chars(attachname, "/\\", G_DIR_SEPARATOR);
subst_chars(attachname, ":?*&|<>\t\r\n", '_');
g_snprintf(buf, sizeof(buf), "%s%s",
dirname,
(attachname[0] == G_DIR_SEPARATOR)
? &attachname[1]
: attachname);
attachdir = g_dirname(buf);
make_dir_hier(attachdir);
g_free(attachdir);
g_free(attachname);
if (is_file_exist(buf)) {
AlertValue aval;
aval = alertpanel(_("Overwrite"),
_("Overwrite existing file?"),
_("OK"), _("Cancel"), NULL);
if (G_ALERTDEFAULT != aval) return;
}
if (procmime_get_part(buf, mimeview->file, attachment) < 0)
alertpanel_error(_("Can't save the part of multipart message."));
attachment = attachment->next;
}
}
static void mimeview_display_as_text(MimeView *mimeview)
{
MimeInfo *partinfo;
if (!mimeview->opened) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
mimeview_show_message_part(mimeview, partinfo);
}
static void mimeview_show_image(MimeView *mimeview)
{
MimeInfo *partinfo;
if (!mimeview->opened) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
mimeview_show_image_part(mimeview, partinfo);
}
static void mimeview_save_as(MimeView *mimeview)
{
gchar *filename;
gchar *defname = NULL;
MimeInfo *partinfo;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
g_return_if_fail(partinfo != NULL);
if (partinfo->filename)
defname = partinfo->filename;
else if (partinfo->name) {
Xstrdup_a(defname, partinfo->name, return);
subst_for_filename(defname);
}
filename = filesel_select_file(_("Save as"), defname);
if (!filename) return;
if (is_file_exist(filename)) {
AlertValue aval;
aval = alertpanel(_("Overwrite"),
_("Overwrite existing file?"),
_("OK"), _("Cancel"), NULL);
if (G_ALERTDEFAULT != aval) return;
}
if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
alertpanel_error
(_("Can't save the part of multipart message."));
}
static void mimeview_launch(MimeView *mimeview)
{
MimeInfo *partinfo;
gchar *filename;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
g_return_if_fail(partinfo != NULL);
filename = procmime_get_tmp_file_name(partinfo);
if (procmime_get_part(filename, mimeview->file, partinfo) < 0)
alertpanel_error
(_("Can't save the part of multipart message."));
else
mimeview_view_file(filename, partinfo, NULL);
g_free(filename);
}
static void mimeview_open_with(MimeView *mimeview)
{
MimeInfo *partinfo;
gchar *filename;
gchar *cmd;
if (!mimeview->opened) return;
if (!mimeview->file) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
g_return_if_fail(partinfo != NULL);
filename = procmime_get_tmp_file_name(partinfo);
if (procmime_get_part(filename, mimeview->file, partinfo) < 0) {
alertpanel_error
(_("Can't save the part of multipart message."));
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);
cmd = input_dialog_combo
(_("Open with"),
_("Enter the command line to open file:\n"
"(`%s' will be replaced with file name)"),
prefs_common.mime_open_cmd,
prefs_common.mime_open_cmd_history,
TRUE);
if (cmd) {
mimeview_view_file(filename, partinfo, cmd);
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(filename);
}
static void mimeview_view_file(const gchar *filename, MimeInfo *partinfo,
const gchar *cmdline)
{
static gchar *default_image_cmdline = "display '%s'";
static gchar *default_audio_cmdline = "play '%s'";
static gchar *default_html_cmdline =
"netscape -remote 'openURL(%s,raise)'";
static gchar *mime_cmdline = "metamail -d -b -x -c %s '%s'";
gchar buf[1024];
gchar m_buf[1024];
const gchar *cmd;
const gchar *def_cmd;
const gchar *p;
if (cmdline) {
cmd = cmdline;
def_cmd = NULL;
} else if (MIME_APPLICATION_OCTET_STREAM == partinfo->mime_type) {
return;
} else if (MIME_IMAGE == partinfo->mime_type) {
cmd = prefs_common.mime_image_viewer;
def_cmd = default_image_cmdline;
} else if (MIME_AUDIO == partinfo->mime_type) {
cmd = prefs_common.mime_audio_player;
def_cmd = default_audio_cmdline;
} else if (MIME_TEXT_HTML == partinfo->mime_type) {
cmd = prefs_common.uri_cmd;
def_cmd = default_html_cmdline;
} else {
g_snprintf(m_buf, sizeof(m_buf), mime_cmdline,
partinfo->content_type, "%s");
cmd = m_buf;
def_cmd = NULL;
}
if (cmd && (p = strchr(cmd, '%')) && *(p + 1) == 's' &&
!strchr(p + 2, '%'))
g_snprintf(buf, sizeof(buf), cmd, filename);
else {
if (cmd)
g_warning(_("MIME viewer command line is invalid: `%s'"), cmd);
if (def_cmd)
g_snprintf(buf, sizeof(buf), def_cmd, filename);
else
return;
}
execute_command_line(buf, TRUE);
}
#if USE_GPGME
static void update_node_name(GtkCTree *ctree, GtkCTreeNode *node,
gpointer data)
{
MimeInfo *partinfo;
gchar *part_name;
partinfo = gtk_ctree_node_get_row_data(ctree, node);
g_return_if_fail(partinfo != NULL);
part_name = get_part_name(partinfo);
gtk_ctree_node_set_text(ctree, node, COL_NAME, part_name);
}
static void mimeview_update_names(MimeView *mimeview)
{
GtkCTree *ctree = GTK_CTREE(mimeview->ctree);
gtk_ctree_pre_recursive(ctree, NULL, update_node_name, NULL);
}
static void mimeview_update_signature_info(MimeView *mimeview)
{
MimeInfo *partinfo;
if (!mimeview) return;
if (!mimeview->opened) return;
partinfo = gtk_ctree_node_get_row_data
(GTK_CTREE(mimeview->ctree), mimeview->opened);
if (!partinfo) return;
if (g_strcasecmp(partinfo->content_type,
"application/pgp-signature") == 0) {
mimeview_change_view_type(mimeview, MIMEVIEW_TEXT);
textview_show_signature_part(mimeview->textview, partinfo);
}
}
static void mimeview_check_signature(MimeView *mimeview)
{
MimeInfo *mimeinfo;
FILE *fp;
g_return_if_fail (mimeview_is_signed(mimeview));
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);
while (mimeinfo->parent)
mimeinfo = mimeinfo->parent;
if ((fp = fopen(mimeview->file, "rb")) == NULL) {
FILE_OP_ERROR(mimeview->file, "fopen");
return;
}
rfc2015_check_signature(mimeinfo, fp);
fclose(fp);
mimeview_update_names(mimeview);
mimeview_update_signature_info(mimeview);
textview_show_message(mimeview->messageview->textview, mimeinfo,
mimeview->file);
}
#endif /* USE_GPGME */