path: root/calendar/gui/e-select-names-renderer.c

/*
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>
 *
 *
 * Authors:
 *      Mike Kestner  <mkestner@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "e-select-names-editable.h"
#include "e-select-names-renderer.h"

#define E_SELECT_NAMES_RENDERER_GET_PRIVATE(obj) \
    (G_TYPE_INSTANCE_GET_PRIVATE \
    ((obj), E_TYPE_SELECT_NAMES_RENDERER, ESelectNamesRendererPrivate))

struct _ESelectNamesRendererPrivate {
    EClientCache *client_cache;
    ESelectNamesEditable *editable;
    gchar *path;

    gchar *name;
    gchar *email;
};

enum {
    PROP_0,
    PROP_CLIENT_CACHE,
    PROP_NAME,
    PROP_EMAIL
};

enum {
    CELL_EDITED,
    LAST_SIGNAL
};

static gint signals[LAST_SIGNAL];

G_DEFINE_TYPE (
    ESelectNamesRenderer,
    e_select_names_renderer,
    GTK_TYPE_CELL_RENDERER_TEXT)

static void
e_select_names_renderer_editing_done (GtkCellEditable *editable,
                                      ESelectNamesRenderer *renderer)
{
    GList *addresses = NULL, *names = NULL, *a, *n;
    gboolean editing_canceled;

    /* We don't need to listen for the focus out event any more */
    g_signal_handlers_disconnect_matched (
        editable, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, renderer);

    g_object_get (editable, "editing-canceled", &editing_canceled, NULL);
    if (editing_canceled) {
        gtk_cell_renderer_stop_editing (
            GTK_CELL_RENDERER (renderer), TRUE);
        goto cleanup;
    }

    addresses = e_select_names_editable_get_emails (
        E_SELECT_NAMES_EDITABLE (editable));
    names = e_select_names_editable_get_names (
        E_SELECT_NAMES_EDITABLE (editable));

    /* remove empty addresses */
    for (a = addresses, n = names; a && n;) {
        gchar *addr = a->data, *nm = n->data;

        if ((!addr || !*addr) && (!nm || !*nm)) {
            g_free (addr);
            g_free (nm);
            addresses = g_list_remove_link (addresses, a);
            names = g_list_remove_link (names, n);
            a = addresses;
            n = names;
        } else {
            a = a->next;
            n = n->next;
        }
    }

    g_signal_emit (
        renderer, signals[CELL_EDITED], 0,
        renderer->priv->path, addresses, names);

    g_list_free_full (addresses, (GDestroyNotify) g_free);
    g_list_free_full (names, (GDestroyNotify) g_free);

cleanup:
    g_free (renderer->priv->path);
    renderer->priv->path = NULL;
    renderer->priv->editable = NULL;
}

static void
select_names_renderer_set_client_cache (ESelectNamesRenderer *renderer,
                                        EClientCache *client_cache)
{
    g_return_if_fail (E_IS_CLIENT_CACHE (client_cache));
    g_return_if_fail (renderer->priv->client_cache == NULL);

    renderer->priv->client_cache = g_object_ref (client_cache);
}

static void
select_names_renderer_set_property (GObject *object,
                                    guint property_id,
                                    const GValue *value,
                                    GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_CLIENT_CACHE:
            select_names_renderer_set_client_cache (
                E_SELECT_NAMES_RENDERER (object),
                g_value_get_object (value));
            return;

        case PROP_NAME:
            e_select_names_renderer_set_name (
                E_SELECT_NAMES_RENDERER (object),
                g_value_get_string (value));
            return;

        case PROP_EMAIL:
            e_select_names_renderer_set_email (
                E_SELECT_NAMES_RENDERER (object),
                g_value_get_string (value));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
select_names_renderer_get_property (GObject *object,
                                    guint property_id,
                                    GValue *value,
                                    GParamSpec *pspec)
{
    switch (property_id) {
        case PROP_CLIENT_CACHE:
            g_value_take_object (
                value,
                e_select_names_renderer_ref_client_cache (
                E_SELECT_NAMES_RENDERER (object)));
            return;

        case PROP_NAME:
            g_value_set_string (
                value,
                e_select_names_renderer_get_name (
                E_SELECT_NAMES_RENDERER (object)));
            return;

        case PROP_EMAIL:
            g_value_set_string (
                value,
                e_select_names_renderer_get_email (
                E_SELECT_NAMES_RENDERER (object)));
            return;
    }

    G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}

static void
select_names_renderer_dispose (GObject *object)
{
    ESelectNamesRendererPrivate *priv;

    priv = E_SELECT_NAMES_RENDERER_GET_PRIVATE (object);

    g_clear_object (&priv->client_cache);
    g_clear_object (&priv->editable);

    /* Chain up to parent's dispose() method. */
    G_OBJECT_CLASS (e_select_names_renderer_parent_class)->
        dispose (object);
}

static void
select_names_renderer_finalize (GObject *object)
{
    ESelectNamesRendererPrivate *priv;

    priv = E_SELECT_NAMES_RENDERER_GET_PRIVATE (object);

    g_free (priv->path);
    g_free (priv->name);
    g_free (priv->email);

    /* Chain up to parent's finalize() method. */
    G_OBJECT_CLASS (e_select_names_renderer_parent_class)->
        finalize (object);
}

static GtkCellEditable *
select_names_renderer_start_editing (GtkCellRenderer *cell,
                                     GdkEvent *event,
                                     GtkWidget *widget,
                                     const gchar *path,
                                     const GdkRectangle *bg_area,
                                     const GdkRectangle *cell_area,
                                     GtkCellRendererState flags)
{
    ESelectNamesRenderer *sn_cell = E_SELECT_NAMES_RENDERER (cell);
    GtkCellRendererText *text_cell = GTK_CELL_RENDERER_TEXT (cell);
    EClientCache *client_cache;
    GtkWidget *editable;
    gboolean is_editable;
    gfloat xalign;

    g_object_get (
        text_cell,
        "editable", &is_editable,
        "xalign", &xalign, NULL);

    if (!is_editable)
        return NULL;

    client_cache = e_select_names_renderer_ref_client_cache (sn_cell);

    editable = e_select_names_editable_new (client_cache);
    gtk_entry_set_has_frame (GTK_ENTRY (editable), FALSE);
    gtk_entry_set_alignment (GTK_ENTRY (editable), xalign);
    if (sn_cell->priv->email != NULL && *sn_cell->priv->email != '\0')
        e_select_names_editable_set_address (
            E_SELECT_NAMES_EDITABLE (editable),
            sn_cell->priv->name,
            sn_cell->priv->email);
    gtk_widget_show (editable);

    g_signal_connect (
        editable, "editing_done",
        G_CALLBACK (e_select_names_renderer_editing_done), sn_cell);

    sn_cell->priv->editable = g_object_ref (editable);
    sn_cell->priv->path = g_strdup (path);

    g_object_unref (client_cache);

    return GTK_CELL_EDITABLE (editable);
}

static void
e_select_names_renderer_class_init (ESelectNamesRendererClass *class)
{
    GObjectClass *object_class;
    GtkCellRendererClass *renderer_class;

    g_type_class_add_private (class, sizeof (ESelectNamesRendererPrivate));

    object_class = G_OBJECT_CLASS (class);
    object_class->get_property = select_names_renderer_get_property;
    object_class->set_property = select_names_renderer_set_property;
    object_class->dispose = select_names_renderer_dispose;
    object_class->finalize = select_names_renderer_finalize;

    renderer_class = GTK_CELL_RENDERER_CLASS (class);
    renderer_class->start_editing = select_names_renderer_start_editing;

    /**
     * ESelectNamesRenderer:client-cache:
     *
     * Cache of shared #EClient instances.
     **/
    g_object_class_install_property (
        object_class,
        PROP_CLIENT_CACHE,
        g_param_spec_object (
            "client-cache",
            "Client Cache",
            "Cache of shared EClient instances",
            E_TYPE_CLIENT_CACHE,
            G_PARAM_READWRITE |
            G_PARAM_CONSTRUCT_ONLY |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_NAME,
        g_param_spec_string (
            "name",
            "Name",
            "Email name.",
            NULL,
            G_PARAM_READWRITE |
            G_PARAM_STATIC_STRINGS));

    g_object_class_install_property (
        object_class,
        PROP_EMAIL,
        g_param_spec_string (
            "email",
            "Email",
            "Email address.",
            NULL,
            G_PARAM_READWRITE |
            G_PARAM_STATIC_STRINGS));

    signals[CELL_EDITED] = g_signal_new (
        "cell_edited",
        G_OBJECT_CLASS_TYPE (object_class),
        G_SIGNAL_RUN_LAST,
        G_STRUCT_OFFSET (ESelectNamesRendererClass, cell_edited),
        NULL, NULL,
        e_marshal_VOID__STRING_POINTER_POINTER,
        G_TYPE_NONE, 3,
        G_TYPE_STRING,
        G_TYPE_POINTER,
        G_TYPE_POINTER);
}

static void
e_select_names_renderer_init (ESelectNamesRenderer *renderer)
{
    renderer->priv = E_SELECT_NAMES_RENDERER_GET_PRIVATE (renderer);
}

GtkCellRenderer *
e_select_names_renderer_new (EClientCache *client_cache)
{
    g_return_val_if_fail (E_IS_CLIENT_CACHE (client_cache), NULL);

    return g_object_new (
        E_TYPE_SELECT_NAMES_RENDERER,
        "client-cache", client_cache, NULL);
}

EClientCache *
e_select_names_renderer_ref_client_cache (ESelectNamesRenderer *renderer)
{
    g_return_val_if_fail (E_IS_SELECT_NAMES_RENDERER (renderer), NULL);

    return g_object_ref (renderer->priv->client_cache);
}

const gchar *
e_select_names_renderer_get_name (ESelectNamesRenderer *renderer)
{
    g_return_val_if_fail (E_IS_SELECT_NAMES_RENDERER (renderer), NULL);

    return renderer->priv->name;
}

void
e_select_names_renderer_set_name (ESelectNamesRenderer *renderer,
                                  const gchar *name)
{
    g_return_if_fail (E_IS_SELECT_NAMES_RENDERER (renderer));

    g_free (renderer->priv->name);
    renderer->priv->name = g_strdup (name);

    g_object_notify (G_OBJECT (renderer), "name");
}

const gchar *
e_select_names_renderer_get_email (ESelectNamesRenderer *renderer)
{
    g_return_val_if_fail (E_IS_SELECT_NAMES_RENDERER (renderer), NULL);

    return renderer->priv->email;
}

void
e_select_names_renderer_set_email (ESelectNamesRenderer *renderer,
                                   const gchar *email)
{
    g_return_if_fail (E_IS_SELECT_NAMES_RENDERER (renderer));

    g_free (renderer->priv->email);
    renderer->priv->email = g_strdup (email);

    g_object_notify (G_OBJECT (renderer), "email");
}