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path: root/widgets/e-msg-composer-address-dialog.c
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/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
/* e-msg-composer-address-dialog.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 "e-msg-composer-address-dialog.h"


enum {
    APPLY,
    LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };

static GnomeDialogClass *parent_class = NULL;


/* This function should load the addresses we know of into the dialog.  We
   don't have a precise setup for the addressbook yet, so we will just put some
   fake entries in.  */
static void
load_addresses (EMsgComposerAddressDialog *dialog)
{
    gchar *text[][3] = {
        { "Bertrand Guiheneuf", "Bertrand.Guiheneuf@aful.org", NULL },
        { "Ettore Perazzoli", "ettore@gnu.org", NULL },
        { "Miguel de Icaza", "miguel@gnu.org", NULL },
        { "Nat Friedman", "nat@nat.org", NULL },
        { NULL, NULL, NULL }
    };
    GtkCList *clist;
    guint i;

    clist = GTK_CLIST (glade_xml_get_widget (dialog->gui, "address_clist"));

    for (i = 0; text[i][0] != NULL; i++)
        gtk_clist_append (clist, text[i]);
}

/* Combine name and email into an address, e.g. "Ettore Perazzoli
   <ettore@gnu.org>".  FIXME FIXME FIXME this does not handle quoting (commas
   will cause troubles), but it should.  */
static gchar *
make_full_address (const gchar *name,
           const gchar *email)
{
    return g_strconcat (name, " <", email, ">", NULL);
}

/* This loads the selected address in the address GtkCList into the requested
   GtkList.  */
static void
add_address (EMsgComposerAddressDialog *dialog,
         const gchar *list_name)
{
    GtkCList *src_clist;
    GtkCList *dest_clist;
    gchar *name, *email;
    gchar *text[2];
    guint row;

    src_clist = GTK_CLIST (glade_xml_get_widget (dialog->gui,
                             "address_clist"));
    if (src_clist->selection == NULL)
        return;

    dest_clist = GTK_CLIST (glade_xml_get_widget (dialog->gui, list_name));
    row = GPOINTER_TO_INT (src_clist->selection->data);

    gtk_clist_get_text (src_clist, row, 0, &name);
    gtk_clist_get_text (src_clist, row, 1, &email);

    text[0] = make_full_address (name, email);
    text[1] = NULL;

    gtk_clist_append (dest_clist, text);

    g_free (text[0]);
}

static void
apply (EMsgComposerAddressDialog *dialog)
{
    gtk_signal_emit (GTK_OBJECT (dialog), signals[APPLY]);
}


/* Recipient list popup menu.  */

struct _RecipientListInfo {
    EMsgComposerAddressDialog *dialog;
    GtkCList *clist;
    gint row;       /* -1 if menu was popped up in an empty
                   area.  */
};
typedef struct _RecipientListInfo RecipientListInfo;

static void
copy_recipient (RecipientListInfo *info,
        gboolean remove)
{
    gchar *text;
    gint row;

    if (info->clist->selection == NULL)
        return;

    row = GPOINTER_TO_INT (info->clist->selection->data);
    gtk_clist_get_text (info->clist, row, 0, &text);

    g_free (info->dialog->cut_buffer);
    info->dialog->cut_buffer = g_strdup (text);

    if (remove)
        gtk_clist_remove (info->clist, row);

    gtk_selection_owner_set (GTK_WIDGET (info->clist),
                 GDK_SELECTION_PRIMARY,
                 GDK_CURRENT_TIME);
}

static void
copy_recipient_cb (GtkWidget *widget,
           gpointer data)
{
    RecipientListInfo *info;

    info = (RecipientListInfo *) data;
    copy_recipient (info, FALSE);
    g_free (info);
}

static void
cut_recipient_cb (GtkWidget *widget,
          gpointer data)
{
    RecipientListInfo *info;

    info = (RecipientListInfo *) data;
    copy_recipient (info, TRUE);
    g_free (info);
}

static void
paste_recipient_cb (GtkWidget *widget,
            gpointer data)
{
    RecipientListInfo *info;
    GdkAtom atom;
    gchar *text[2];

    info = (RecipientListInfo *) data;

    atom = gdk_atom_intern ("STRING", FALSE);
    gtk_selection_convert (GTK_WIDGET (info->clist),
                   GDK_SELECTION_PRIMARY,
                   atom,
                   GDK_CURRENT_TIME);

    g_free (info);
}

static GnomeUIInfo recipient_list_item_popup_info[] = {
    GNOMEUIINFO_ITEM_STOCK (N_("Cut"),
                N_("Cut selected item into clipboard"),
                cut_recipient_cb,
                GNOME_STOCK_MENU_CUT),
    GNOMEUIINFO_ITEM_STOCK (N_("Copy"),
                N_("Copy selected item into clipboard"),
                copy_recipient_cb,
                GNOME_STOCK_MENU_COPY),
    GNOMEUIINFO_ITEM_STOCK (N_("Paste"),
                N_("Paste item from clipboard"),
                paste_recipient_cb,
                GNOME_STOCK_MENU_PASTE),
    GNOMEUIINFO_END
};

static GnomeUIInfo recipient_list_popup_info[] = {
    GNOMEUIINFO_ITEM_STOCK (N_("Paste"),
                N_("Paste item from clipboard"),
                paste_recipient_cb,
                GNOME_STOCK_MENU_PASTE),
    GNOMEUIINFO_END
};


/* Signals.  */

static void
add_to_cb (GtkWidget *widget,
       gpointer data)
{
    add_address (E_MSG_COMPOSER_ADDRESS_DIALOG (data), "to_clist");
}

static void
add_cc_cb (GtkWidget *widget,
       gpointer data)
{
    add_address (E_MSG_COMPOSER_ADDRESS_DIALOG (data), "cc_clist");
}

static void
add_bcc_cb (GtkWidget *widget,
       gpointer data)
{
    add_address (E_MSG_COMPOSER_ADDRESS_DIALOG (data), "bcc_clist");
}

static void
glade_connect (GladeXML *gui,
           const gchar *widget_name,
           const gchar *signal_name,
           GtkSignalFunc callback,
           gpointer callback_data)
{
    GtkWidget *widget;

    widget = glade_xml_get_widget (gui, widget_name);
    if (widget == NULL)
        g_warning ("Widget `%s' was not found.", widget_name);
    else
        gtk_signal_connect (GTK_OBJECT (widget), signal_name,
                    GTK_SIGNAL_FUNC (callback), callback_data);
}

static gint
recipient_clist_button_press_cb (GtkWidget *widget,
                 GdkEventButton *event,
                 gpointer data)
{
    EMsgComposerAddressDialog *dialog;
    RecipientListInfo *info;
    GtkWidget *popup;
    GtkCList *clist;
    gboolean on_row;
    gint row, column;

    dialog = E_MSG_COMPOSER_ADDRESS_DIALOG (data);

    clist = GTK_CLIST (widget);

    if (event->window != clist->clist_window || event->button != 3)
        return FALSE;

    on_row = gtk_clist_get_selection_info (clist, event->x, event->y,
                           &row, &column);

    info = g_new (RecipientListInfo, 1);
    info->dialog = dialog;
    info->clist = clist;

    if (on_row) {
        gtk_clist_unselect_all (clist);
        gtk_clist_select_row (clist, row, 0);
        info->row = row;
        popup = gnome_popup_menu_new (recipient_list_item_popup_info);
    } else {
        info->row = -1;
        popup = gnome_popup_menu_new (recipient_list_popup_info);
    }

    gnome_popup_menu_do_popup_modal (popup, NULL, NULL, event, info);

    gtk_widget_destroy (popup);

    return TRUE;
}

/* FIXME needs more work.  */
static void
recipient_clist_selection_received_cb (GtkWidget *widget,
                       GtkSelectionData *selection_data,
                       guint time,
                       gpointer data)
{
    GtkCList *clist;
    gchar *text[2];
    gchar *p;

    puts (__FUNCTION__);

    if (selection_data->length < 0)
        return;

    clist = GTK_CLIST (widget);

    /* FIXME quoting.  */
    text[0] = g_strdup (selection_data->data);
    text[1] = NULL;

    /* It is a common mistake to paste `\n's, let's work around that.  */
    for (p = text[0]; *p != '\0'; p++) {
        if (*p == '\n') {
            *p = '\0';
            break;
        }
    }

    if (clist->selection != NULL) {
        gint row;

        row = GPOINTER_TO_INT (clist->selection->data);
        gtk_clist_insert (clist, row, text);
    } else {
        gtk_clist_append (clist, text);
    }

    g_free (text[0]);
}

static void
recipient_clist_selection_get_cb (GtkWidget *widget, 
                  GtkSelectionData *selection_data,
                  guint info,
                  guint time,
                  gpointer data)
{
    EMsgComposerAddressDialog *dialog;
    GdkAtom atom;

    puts (__FUNCTION__);

    dialog = E_MSG_COMPOSER_ADDRESS_DIALOG (data);
    if (dialog->cut_buffer == NULL)
        return;     /* FIXME should I do something special?  */

    atom = gdk_atom_intern ("STRING", FALSE);
    gtk_selection_data_set (selection_data, atom, 8,
                dialog->cut_buffer,
                strlen (dialog->cut_buffer));
}

static void
recipient_clist_selection_clear_event_cb (GtkWidget *widget,
                      GdkEventSelection *selection,
                      gpointer data)
{
    EMsgComposerAddressDialog *dialog;

    dialog = E_MSG_COMPOSER_ADDRESS_DIALOG (data);
    g_free (dialog->cut_buffer);
    dialog->cut_buffer = NULL;
}

static void
setup_recipient_list_signals (EMsgComposerAddressDialog *dialog,
                  const gchar *name)
{
    glade_connect (dialog->gui, name, "button_press_event",
               GTK_SIGNAL_FUNC (recipient_clist_button_press_cb),
               dialog);
    glade_connect (dialog->gui, name, "selection_received",
               GTK_SIGNAL_FUNC (recipient_clist_selection_received_cb),
               dialog);
    glade_connect (dialog->gui, name, "selection_get",
               GTK_SIGNAL_FUNC (recipient_clist_selection_get_cb),
               dialog);
    glade_connect (dialog->gui, name, "selection_clear_event",
               GTK_SIGNAL_FUNC (recipient_clist_selection_clear_event_cb),
               dialog);
}

static void
setup_signals (EMsgComposerAddressDialog *dialog)
{
    glade_connect (dialog->gui, "to_add_button", "clicked",
               GTK_SIGNAL_FUNC (add_to_cb), dialog);
    glade_connect (dialog->gui, "cc_add_button", "clicked",
               GTK_SIGNAL_FUNC (add_cc_cb), dialog);
    glade_connect (dialog->gui, "bcc_add_button", "clicked",
               GTK_SIGNAL_FUNC (add_bcc_cb), dialog);

    setup_recipient_list_signals (dialog, "to_clist");
    setup_recipient_list_signals (dialog, "cc_clist");
    setup_recipient_list_signals (dialog, "bcc_clist");
}


static void
setup_selection_targets (EMsgComposerAddressDialog *dialog)
{
    gtk_selection_add_target (glade_xml_get_widget (dialog->gui, "to_clist"),
                  GDK_SELECTION_PRIMARY,
                  GDK_SELECTION_TYPE_STRING, 0);
    gtk_selection_add_target (glade_xml_get_widget (dialog->gui, "cc_clist"),
                  GDK_SELECTION_PRIMARY,
                  GDK_SELECTION_TYPE_STRING, 0);
    gtk_selection_add_target (glade_xml_get_widget (dialog->gui, "bcc_clist"),
                  GDK_SELECTION_PRIMARY,
                  GDK_SELECTION_TYPE_STRING, 0);
}


/* GnomeDialog methods.  */

static void
clicked (GnomeDialog *dialog,
     gint button_number)
{
    switch (button_number) {
    case 0:         /* OK */
        apply (E_MSG_COMPOSER_ADDRESS_DIALOG (dialog));
        gnome_dialog_close (dialog);
        break;
    case 1:         /* Apply */
        apply (E_MSG_COMPOSER_ADDRESS_DIALOG (dialog));
        break;
    case 2:         /* Cancel */
        gnome_dialog_close (dialog);
        break;
    }
}


/* GtkObject methods.  */

static void
destroy (GtkObject *object)
{
    EMsgComposerAddressDialog *dialog;
    GtkCList *address_clist;
    GList *p;

    dialog = E_MSG_COMPOSER_ADDRESS_DIALOG (object);

    gtk_object_unref (GTK_OBJECT (dialog->gui));
    g_free (dialog->cut_buffer);

    if (GTK_OBJECT_CLASS (parent_class)->destroy != NULL)
        (* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}


/* Initialization.  */

static void
class_init (EMsgComposerAddressDialogClass *class)
{
    GtkObjectClass *object_class;
    GnomeDialogClass *gnome_dialog_class;

    object_class = GTK_OBJECT_CLASS (class);
    object_class->destroy = destroy;

    gnome_dialog_class = GNOME_DIALOG_CLASS (class);
    gnome_dialog_class->clicked = clicked;

    parent_class = gtk_type_class (gnome_dialog_get_type ());

    signals[APPLY]
        = gtk_signal_new ("apply",
                  GTK_RUN_FIRST,
                  object_class->type,
                  GTK_SIGNAL_OFFSET (EMsgComposerAddressDialogClass,
                             apply),
                  gtk_marshal_NONE__NONE,
                  GTK_TYPE_NONE, 0);

    gtk_object_class_add_signals (object_class, signals, LAST_SIGNAL);
}

static void
init (EMsgComposerAddressDialog *dialog)
{
    dialog->gui = NULL;
    dialog->cut_buffer = NULL;
}


GtkType
e_msg_composer_address_dialog_get_type (void)
{
    static GtkType type = 0;

    if (type == 0) {
        static const GtkTypeInfo info = {
            "EMsgComposerAddressDialog",
            sizeof (EMsgComposerAddressDialog),
            sizeof (EMsgComposerAddressDialogClass),
            (GtkClassInitFunc) class_init,
            (GtkObjectInitFunc) init,
            /* reserved_1 */ NULL,
            /* reserved_2 */ NULL,
            (GtkClassInitFunc) NULL,
        };

        type = gtk_type_unique (gnome_dialog_get_type (), &info);
    }

    return type;
}

void
e_msg_composer_address_dialog_construct (EMsgComposerAddressDialog *dialog)
{
    static const gchar *buttons[] = {
        GNOME_STOCK_BUTTON_OK,
        GNOME_STOCK_BUTTON_APPLY,
        GNOME_STOCK_BUTTON_CANCEL,
        NULL
    };

    g_return_if_fail (dialog != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog));

    gnome_dialog_constructv (GNOME_DIALOG (dialog),
                 _("Select recipients' addresses"),
                 buttons);

    dialog->gui = glade_xml_new
        (E_GUIDIR "/e-msg-composer-address-dialog.glade", "main_table");
    if (dialog->gui == NULL) {
        g_warning ("Cannot load `e-msg-composer-address-dialog.glade");
        return;
    }

    gtk_container_add (GTK_CONTAINER (GNOME_DIALOG (dialog)->vbox),
               glade_xml_get_widget (dialog->gui, "main_table"));

    setup_selection_targets (dialog);
    load_addresses (dialog);
    setup_signals (dialog);
}

GtkWidget *
e_msg_composer_address_dialog_new (void)
{
    EMsgComposerAddressDialog *new;

    new = gtk_type_new (e_msg_composer_address_dialog_get_type ());
    e_msg_composer_address_dialog_construct (new);

    return GTK_WIDGET (new);
}


static void
set_list (EMsgComposerAddressDialog *dialog,
      const gchar *list_name,
      GList *list)
{
    GtkCList *clist;
    GList *p;
    gchar *text[2];

    clist = GTK_CLIST (glade_xml_get_widget (dialog->gui, list_name));

    gtk_clist_freeze (clist);
    gtk_clist_clear (clist);

    text[1] = NULL;
    for (p = list; p != NULL; p = p->next) {
        text[0] = (gchar *) p->data;
        gtk_clist_append (clist, text);
    }

    gtk_clist_thaw (clist);
}

void
e_msg_composer_address_dialog_set_to_list (EMsgComposerAddressDialog *dialog, 
                       GList *to_list)
{
    g_return_if_fail (dialog != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog));

    set_list (dialog, "to_clist", to_list);
}

void
e_msg_composer_address_dialog_set_cc_list (EMsgComposerAddressDialog *dialog, 
                       GList *cc_list)
{
    g_return_if_fail (dialog != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog));

    set_list (dialog, "cc_clist", cc_list);
}

void
e_msg_composer_address_dialog_set_bcc_list (EMsgComposerAddressDialog *dialog, 
                        GList *bcc_list)
{
    g_return_if_fail (dialog != NULL);
    g_return_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog));

    set_list (dialog, "bcc_clist", bcc_list);
}


static GList *
get_list (EMsgComposerAddressDialog *dialog,
      const gchar *clist_name)
{
    GtkCList *address_clist;
    GtkCList *clist;
    GList *list;
    guint i;

    clist = GTK_CLIST (glade_xml_get_widget (dialog->gui, clist_name));

    list = NULL;
    for (i = 0; i < clist->rows; i++) {
        gchar *addr;

        gtk_clist_get_text (clist, i, 0, &addr);
        list = g_list_prepend (list, g_strdup (addr));
    }

    return g_list_reverse (list);
}

GList *
e_msg_composer_address_dialog_get_to_list (EMsgComposerAddressDialog *dialog)
{
    g_return_val_if_fail (dialog != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog), NULL);

    return get_list (dialog, "to_clist");
}

GList *
e_msg_composer_address_dialog_get_cc_list (EMsgComposerAddressDialog *dialog)
{
    g_return_val_if_fail (dialog != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog), NULL);

    return get_list (dialog, "cc_clist");
}

GList *
e_msg_composer_address_dialog_get_bcc_list (EMsgComposerAddressDialog *dialog)
{
    g_return_val_if_fail (dialog != NULL, NULL);
    g_return_val_if_fail (E_IS_MSG_COMPOSER_ADDRESS_DIALOG (dialog), NULL);

    return get_list (dialog, "bcc_clist");
}