path: root/composer/e-composer-text-header.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/>  
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 */

#include "e-composer-text-header.h"

/* Convenience macro */
#define E_COMPOSER_TEXT_HEADER_GET_ENTRY(header) \
    (GTK_ENTRY (E_COMPOSER_HEADER (header)->input_widget))

static gpointer parent_class;

static void
composer_text_header_changed_cb (GtkEntry *entry,
                                 EComposerTextHeader *header)
{
    g_signal_emit_by_name (header, "changed");
}

static gboolean
composer_text_header_query_tooltip_cb (GtkEntry *entry,
                                       gint x,
                                       gint y,
                                       gboolean keyboard_mode,
                                       GtkTooltip *tooltip)
{
    const gchar *text;

    text = gtk_entry_get_text (entry);

    if (keyboard_mode || text == NULL || *text == '\0')
        return FALSE;

    gtk_tooltip_set_text (tooltip, text);

    return TRUE;
}

static void
composer_text_header_class_init (EComposerTextHeaderClass *class)
{
    parent_class = g_type_class_peek_parent (class);
}

static void
composer_text_header_init (EComposerTextHeader *header)
{
    GtkWidget *widget;

    widget = g_object_ref_sink (gtk_entry_new ());
    g_signal_connect (
        widget, "changed",
        G_CALLBACK (composer_text_header_changed_cb), header);
    g_signal_connect (
        widget, "query-tooltip",
        G_CALLBACK (composer_text_header_query_tooltip_cb), NULL);
    gtk_widget_set_has_tooltip (widget, TRUE);
    E_COMPOSER_HEADER (header)->input_widget = widget;
}

GType
e_composer_text_header_get_type (void)
{
    static GType type = 0;

    if (G_UNLIKELY (type == 0)) {
        static const GTypeInfo type_info = {
            sizeof (EComposerTextHeaderClass),
            (GBaseInitFunc) NULL,
            (GBaseFinalizeFunc) NULL,
            (GClassInitFunc) composer_text_header_class_init,
            (GClassFinalizeFunc) NULL,
            NULL,  /* class_data */
            sizeof (EComposerTextHeader),
            0,     /* n_preallocs */
            (GInstanceInitFunc) composer_text_header_init,
            NULL   /* value_table */
        };

        type = g_type_register_static (
            E_TYPE_COMPOSER_HEADER, "EComposerTextHeader",
            &type_info, 0);
    }

    return type;
}

EComposerHeader *
e_composer_text_header_new_label (const gchar *label)
{
    return g_object_new (
        E_TYPE_COMPOSER_TEXT_HEADER, "label", label,
        "button", FALSE, NULL);
}

EComposerHeader *
e_composer_text_header_new_button (const gchar *label)
{
    return g_object_new (
        E_TYPE_COMPOSER_TEXT_HEADER, "label", label,
        "button", TRUE, NULL);
}

const gchar *
e_composer_text_header_get_text (EComposerTextHeader *header)
{
    GtkEntry *entry;

    g_return_val_if_fail (E_IS_COMPOSER_TEXT_HEADER (header), NULL);

    entry = E_COMPOSER_TEXT_HEADER_GET_ENTRY (header);
    return gtk_entry_get_text (entry);
}

void
e_composer_text_header_set_text (EComposerTextHeader *header,
                                 const gchar *text)
{
    GtkEntry *entry;

    g_return_if_fail (E_IS_COMPOSER_TEXT_HEADER (header));

    entry = E_COMPOSER_TEXT_HEADER_GET_ENTRY (header);
    gtk_entry_set_text (entry, (text != NULL) ? text : "");
}