/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-msg-composer-attachment-bar.c
*
* Copyright (C) 1999 Helix Code, Inc.
*
* 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.
*
* Author: Ettore Perazzoli
*/
#include <gnome.h>
#include <glade/glade.h>
#include "e-msg-composer-attachment.h"
#include "e-msg-composer-attachment-bar.h"
#define ICON_WIDTH 64
#define ICON_SEPARATORS " /-_."
#define ICON_SPACING 2
#define ICON_ROW_SPACING ICON_SPACING
#define ICON_COL_SPACING ICON_SPACING
#define ICON_BORDER 2
#define ICON_TEXT_SPACING 2
static GnomeIconListClass *parent_class = NULL;
struct _EMsgComposerAttachmentBarPrivate {
GList *attachments;
guint num_attachments;
GtkWidget *context_menu;
GtkWidget *icon_context_menu;
};
enum {
CHANGED,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
static void update (EMsgComposerAttachmentBar *bar);
/* Sorting. */
static gint
attachment_sort_func (gconstpointer a, gconstpointer b)
{
const EMsgComposerAttachment *attachment_a, *attachment_b;
attachment_a = (EMsgComposerAttachment *) a;
attachment_b = (EMsgComposerAttachment *) b;
return strcmp (attachment_a->description, attachment_b->description);
}
static void
sort (EMsgComposerAttachmentBar *bar)
{
EMsgComposerAttachmentBarPrivate *priv;
priv = bar->priv;
priv->attachments = g_list_sort (priv->attachments,
attachment_sort_func);
}
/* Attachment handling functions. */
static void
free_attachment_list (EMsgComposerAttachmentBar *bar)
{
EMsgComposerAttachmentBarPrivate *priv;
GList *p;
priv = bar->priv;
for (p = priv->attachments; p != NULL; p = p->next)
gtk_object_unref (GTK_OBJECT (p->data));
}
static void
attachment_changed_cb (EMsgComposerAttachment *attachment,
gpointer data)
{
update (E_MSG_COMPOSER_ATTACHMENT_BAR (data));
}
static void
add_from_file (EMsgComposerAttachmentBar *bar,
const gchar *file_name)
{
EMsgComposerAttachment *attachment;
attachment = e_msg_composer_attachment_new (file_name);
gtk_signal_connect (GTK_OBJECT (attachment), "changed",
GTK_SIGNAL_FUNC (attachment_changed_cb),
bar);
bar->priv->attachments = g_list_append (bar->priv->attachments,
attachment);
bar->priv->num_attachments++;
sort (bar);
update (bar);
gtk_signal_emit (GTK_OBJECT (bar), signals[CHANGED]);
}
static void
remove_attachment (EMsgComposerAttachmentBar *bar,
EMsgComposerAttachment *attachment)
{
bar->priv->attachments = g_list_remove (bar->priv->attachments,
attachment);
bar->priv->num_attachments--;
gtk_object_unref (GTK_OBJECT (attachment));
gtk_signal_emit (GTK_OBJECT (bar), signals[CHANGED]);
}
/* Icon list contents handling. */
static void
update (EMsgComposerAttachmentBar *bar)
{
EMsgComposerAttachmentBarPrivate *priv;
GnomeIconList *icon_list;
GList *p;
priv = bar->priv;
icon_list = GNOME_ICON_LIST (bar);
gnome_icon_list_freeze (icon_list);
gnome_icon_list_clear (icon_list);
/* FIXME could be faster, but we don't care. */
for (p = priv->attachments; p != NULL; p = p->next) {
EMsgComposerAttachment *attachment;
const gchar *icon_name;
attachment = p->data;
icon_name = gnome_mime_get_value (attachment->mime_type,
"icon-filename");
/* FIXME we need some better default icon. */
if (icon_name == NULL)
icon_name = gnome_mime_get_value ("text/plain",
"icon-filename");
gnome_icon_list_append (icon_list, icon_name,
attachment->description);
}
gnome_icon_list_thaw (icon_list);
}
static void
remove_selected (EMsgComposerAttachmentBar *bar)
{
GnomeIconList *icon_list;
EMsgComposerAttachment *attachment;
gint num;
icon_list = GNOME_ICON_LIST (bar);
num = GPOINTER_TO_INT (icon_list->selection->data);
/* FIXME do this with icon data. */
attachment = E_MSG_COMPOSER_ATTACHMENT
(g_list_nth (bar->priv->attachments, num)->data);
remove_attachment (bar, attachment);
update (bar);
}
static void
edit_selected (EMsgComposerAttachmentBar *bar)
{
GnomeIconList *icon_list;
EMsgComposerAttachment *attachment;
gint num;
icon_list = GNOME_ICON_LIST (bar);
num = GPOINTER_TO_INT (icon_list->selection->data);
attachment = g_list_nth (bar->priv->attachments, num)->data;
e_msg_composer_attachment_edit (attachment, GTK_WIDGET (bar));
}
/* "Attach" dialog. */
static void
attach_cb (GtkWidget *widget,
gpointer data)
{
EMsgComposerAttachmentBar *bar;
GtkWidget *file_selection;
const gchar *file_name;
file_selection = gtk_widget_get_toplevel (widget);
bar = E_MSG_COMPOSER_ATTACHMENT_BAR (data);
file_name = gtk_file_selection_get_filename
(GTK_FILE_SELECTION (file_selection));
add_from_file (bar, file_name);
gtk_widget_hide (file_selection);
}
static void
add_from_user (EMsgComposerAttachmentBar *bar)
{
GtkWidget *file_selection;
GtkWidget *cancel_button;
GtkWidget *ok_button;
file_selection = gtk_file_selection_new (_("Add attachment"));
gtk_window_set_position (GTK_WINDOW (file_selection),
GTK_WIN_POS_MOUSE);
ok_button = GTK_FILE_SELECTION (file_selection)->ok_button;
gtk_signal_connect (GTK_OBJECT (ok_button),
"clicked", GTK_SIGNAL_FUNC (attach_cb), bar);
cancel_button = GTK_FILE_SELECTION (file_selection)->cancel_button;
gtk_signal_connect_object (GTK_OBJECT (cancel_button),
"clicked",
GTK_SIGNAL_FUNC (gtk_widget_hide),
GTK_OBJECT (file_selection));
gtk_widget_show (GTK_WIDGET (file_selection));
}
/* Callbacks. */
static void
add_cb (GtkWidget *widget,
gpointer data)
{
g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (data));
add_from_user (E_MSG_COMPOSER_ATTACHMENT_BAR (data));
}
static void
properties_cb (GtkWidget *widget,
gpointer data)
{
EMsgComposerAttachmentBar *bar;
g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (data));
bar = E_MSG_COMPOSER_ATTACHMENT_BAR (data);
edit_selected (data);
}
static void
remove_cb (GtkWidget *widget,
gpointer data)
{
EMsgComposerAttachmentBar *bar;
g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (data));
bar = E_MSG_COMPOSER_ATTACHMENT_BAR (data);
remove_selected (bar);
}
/* Popup menu handling. */
static GnomeUIInfo icon_context_menu_info[] = {
GNOMEUIINFO_ITEM (N_("Remove"),
N_("Remove this item from the attachment list"),
remove_cb, NULL),
GNOMEUIINFO_MENU_PROPERTIES_ITEM (properties_cb, NULL),
GNOMEUIINFO_END
};
static GtkWidget *
get_icon_context_menu (EMsgComposerAttachmentBar *bar)
{
EMsgComposerAttachmentBarPrivate *priv;
priv = bar->priv;
if (priv->icon_context_menu == NULL)
priv->icon_context_menu = gnome_popup_menu_new
(icon_context_menu_info);
return priv->icon_context_menu;
}
static void
popup_icon_context_menu (EMsgComposerAttachmentBar *bar,
gint num,
GdkEventButton *event)
{
GtkWidget *menu;
menu = get_icon_context_menu (bar);
gnome_popup_menu_do_popup (menu, NULL, NULL, event, bar);
}
static GnomeUIInfo context_menu_info[] = {
GNOMEUIINFO_ITEM (N_("Add attachment..."),
N_("Attach a file to the message"),
add_cb, NULL),
GNOMEUIINFO_END
};
static GtkWidget *
get_context_menu (EMsgComposerAttachmentBar *bar)
{
EMsgComposerAttachmentBarPrivate *priv;
priv = bar->priv;
if (priv->context_menu == NULL)
priv->context_menu = gnome_popup_menu_new (context_menu_info);
return priv->context_menu;
}
static void
popup_context_menu (EMsgComposerAttachmentBar *bar,
GdkEventButton *event)
{
GtkWidget *menu;
menu = get_context_menu (bar);
gnome_popup_menu_do_popup (menu, NULL, NULL, event, bar);
}
/* GtkObject methods. */
static void
destroy (GtkObject *object)
{
EMsgComposerAttachmentBar *bar;
bar = E_MSG_COMPOSER_ATTACHMENT_BAR (object);
free_attachment_list (bar);
}
/* GtkWidget methods. */
static gint
button_press_event (GtkWidget *widget,
GdkEventButton *event)
{
EMsgComposerAttachmentBar *bar;
GnomeIconList *icon_list;
gint icon_number;
bar = E_MSG_COMPOSER_ATTACHMENT_BAR (widget);
icon_list = GNOME_ICON_LIST (widget);
if (event->button != 3)
return GTK_WIDGET_CLASS (parent_class)->button_press_event
(widget, event);
icon_number = gnome_icon_list_get_icon_at (icon_list,
event->x, event->y);
if (icon_number >= 0) {
gnome_icon_list_select_icon (icon_list, icon_number);
popup_icon_context_menu (bar, icon_number, event);
} else {
popup_context_menu (bar, event);
}
return TRUE;
}
/* GnomeIconList methods. */
static gboolean
text_changed (GnomeIconList *gil,
gint num,
const gchar *new_text)
{
EMsgComposerAttachmentBar *bar;
EMsgComposerAttachment *attachment;
GList *p;
bar = E_MSG_COMPOSER_ATTACHMENT_BAR (gil);
p = g_list_nth (bar->priv->attachments, num);
attachment = p->data;
g_free (attachment->description);
attachment->description = g_strdup (new_text);
return TRUE;
}
/* Initialization. */
static void
class_init (EMsgComposerAttachmentBarClass *class)
{
GtkObjectClass *object_class;
GtkWidgetClass *widget_class;
GnomeIconListClass *icon_list_class;
object_class = GTK_OBJECT_CLASS (class);
widget_class = GTK_WIDGET_CLASS (class);
icon_list_class = GNOME_ICON_LIST_CLASS (class);
parent_class = gtk_type_class (gnome_icon_list_get_type ());
object_class->destroy = destroy;
widget_class->button_press_event = button_press_event;
icon_list_class->text_changed = text_changed;
/* Setup signals. */
signals[CHANGED] =
gtk_signal_new ("changed",
GTK_RUN_LAST,
object_class->type,
GTK_SIGNAL_OFFSET (EMsgComposerAttachmentBarClass,
changed),
gtk_marshal_NONE__NONE,
GTK_TYPE_NONE, 0);
gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}
static void
init (EMsgComposerAttachmentBar *bar)
{
EMsgComposerAttachmentBarPrivate *priv;
guint icon_size;
priv = g_new (EMsgComposerAttachmentBarPrivate, 1);
priv->attachments = NULL;
priv->context_menu = NULL;
priv->icon_context_menu = NULL;
priv->num_attachments = 0;
bar->priv = priv;
/* FIXME partly hardcoded. We should compute height from the font, and
allow at least 2 lines for every item. */
icon_size = ICON_WIDTH + ICON_SPACING + ICON_BORDER + ICON_TEXT_SPACING + 24;
gtk_widget_set_usize (GTK_WIDGET (bar), icon_size * 4, icon_size);
}
GtkType
e_msg_composer_attachment_bar_get_type (void)
{
static GtkType type = 0;
if (type == 0) {
static const GtkTypeInfo info = {
"EMsgComposerAttachmentBar",
sizeof (EMsgComposerAttachmentBar),
sizeof (EMsgComposerAttachmentBarClass),
(GtkClassInitFunc) class_init,
(GtkObjectInitFunc) init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
type = gtk_type_unique (gnome_icon_list_get_type (), &info);
}
return type;
}
GtkWidget *
e_msg_composer_attachment_bar_new (GtkAdjustment *adj)
{
EMsgComposerAttachmentBar *new;
GnomeIconList *icon_list;
gtk_widget_push_visual (gdk_imlib_get_visual ());
gtk_widget_push_colormap (gdk_imlib_get_colormap ());
new = gtk_type_new (e_msg_composer_attachment_bar_get_type ());
gtk_widget_pop_visual ();
gtk_widget_pop_colormap ();
icon_list = GNOME_ICON_LIST (new);
gnome_icon_list_construct (icon_list, ICON_WIDTH, adj,
GNOME_ICON_LIST_IS_EDITABLE);
gnome_icon_list_set_separators (icon_list, ICON_SEPARATORS);
gnome_icon_list_set_row_spacing (icon_list, ICON_ROW_SPACING);
gnome_icon_list_set_col_spacing (icon_list, ICON_COL_SPACING);
gnome_icon_list_set_icon_border (icon_list, ICON_BORDER);
gnome_icon_list_set_text_spacing (icon_list, ICON_TEXT_SPACING);
gnome_icon_list_set_selection_mode (icon_list, GTK_SELECTION_SINGLE);
return GTK_WIDGET (new);
}
static void
attach_to_multipart (CamelMultipart *multipart,
EMsgComposerAttachment *attachment)
{
CamelMimeBodyPart *part;
/* FIXME encoding etc. etc. ? */
/* FIXME I am not sure how to add an attachment through the Camel
API. :-/ */
part = camel_mime_body_part_new ();
camel_mime_part_set_disposition (CAMEL_MIME_PART (part), "attachment");
camel_mime_part_set_filename (CAMEL_MIME_PART (part),
g_strdup (g_basename (attachment->file_name)));
camel_mime_part_set_description (CAMEL_MIME_PART (part),
g_strdup (attachment->description));
camel_data_wrapper_set_mime_type (CAMEL_DATA_WRAPPER (part),
g_strdup (attachment->mime_type));
}
void
e_msg_composer_attachment_bar_to_multipart (EMsgComposerAttachmentBar *bar,
CamelMultipart *multipart)
{
EMsgComposerAttachmentBarPrivate *priv;
GList *p;
g_return_if_fail (bar != NULL);
g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (bar));
g_return_if_fail (multipart != NULL);
g_return_if_fail (IS_CAMEL_MULTIPART (multipart));
priv = bar->priv;
for (p = priv->attachments; p != NULL; p = p->next) {
EMsgComposerAttachment *attachment;
attachment = E_MSG_COMPOSER_ATTACHMENT (p->data);
attach_to_multipart (multipart, attachment);
}
}
guint
e_msg_composer_attachment_bar_get_num_attachments (EMsgComposerAttachmentBar *bar)
{
g_return_val_if_fail (bar != NULL, 0);
g_return_val_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (bar), 0);
return bar->priv->num_attachments;
}
void
e_msg_composer_attachment_bar_attach (EMsgComposerAttachmentBar *bar,
const gchar *file_name)
{
g_return_if_fail (bar != NULL);
g_return_if_fail (E_IS_MSG_COMPOSER_ATTACHMENT_BAR (bar));
if (file_name == NULL)
add_from_user (bar);
else
add_from_file (bar, file_name);
}
