aboutsummaryrefslogtreecommitdiffstats
path: root/e-util/e-categories-config.c
blob: 519fc5db32a1c3d6c6a38cdb520ed96f35194ad4 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/*
 * 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:
 *      Rodrigo Moya <rodrigo@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include "e-categories-config.h"

#include <string.h>
#include <gtk/gtk.h>
#include <glib/gi18n.h>

#include <libedataserverui/libedataserverui.h>

#include "e-util/e-util.h"

static GHashTable *pixbufs_cache = NULL;

static void
categories_changed_cb (gpointer object,
                       gpointer user_data)
{
    if (pixbufs_cache)
        g_hash_table_remove_all (pixbufs_cache);
}

static void
free_pixbuf_cb (gpointer ptr)
{
    GdkPixbuf *pixbuf = ptr;

    if (pixbuf)
        g_object_unref (pixbuf);
}

/**
 * e_categories_config_get_icon_for:
 * @category: Category for which to get the icon.
 * @pixbuf: A pointer to where the pixbuf will be returned.
 *
 * Returns the icon configured for the given category.
 *
 * Returns: the icon configured for the given category
 */
gboolean
e_categories_config_get_icon_for (const gchar *category,
                                  GdkPixbuf **pixbuf)
{
    const gchar *icon_file;

    g_return_val_if_fail (pixbuf != NULL, FALSE);
    g_return_val_if_fail (category != NULL, FALSE);

    if (!pixbufs_cache) {
        pixbufs_cache = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, free_pixbuf_cb);
        e_categories_add_change_hook (
            (GHookFunc) categories_changed_cb, NULL);
    } else {
        gpointer key = NULL, value = NULL;

        if (g_hash_table_lookup_extended (pixbufs_cache, category, &key, &value)) {
            *pixbuf = value;
            if (*pixbuf)
                g_object_ref (*pixbuf);
            return *pixbuf != NULL;
        }
    }

    icon_file = e_categories_get_icon_file_for (category);
    if (!icon_file) {
        *pixbuf = NULL;
    } else {
        /* load the icon in our list */
        *pixbuf = gdk_pixbuf_new_from_file (icon_file, NULL);
    }

    g_hash_table_insert (pixbufs_cache, g_strdup (category), *pixbuf == NULL ? NULL : g_object_ref (*pixbuf));

    return *pixbuf != NULL;
}

/**
 * e_categories_config_open_dialog_for_entry:
 * @entry: a #GtkEntry on which to get/set the categories list
 *
 * This is a self-contained function that lets you open a popup dialog for
 * the user to select a list of categories.
 *
 * The @entry parameter is used, at initialization time, as the list of
 * initial categories that are selected in the categories selection dialog.
 * Then, when the user commits its changes, the list of selected categories
 * is put back on the entry widget.
 */
void
e_categories_config_open_dialog_for_entry (GtkEntry *entry)
{
    GtkDialog *dialog;
    const gchar *text;
    gint result;

    g_return_if_fail (entry != NULL);
    g_return_if_fail (GTK_IS_ENTRY (entry));

    text = gtk_entry_get_text (GTK_ENTRY (entry));
    dialog = GTK_DIALOG (e_categories_dialog_new (text));

    gtk_window_set_transient_for (GTK_WINDOW (dialog), GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (entry))));

    /* run the dialog */
    result = gtk_dialog_run (dialog);

    if (result == GTK_RESPONSE_OK) {
        gchar *categories;

        categories = e_categories_dialog_get_categories (E_CATEGORIES_DIALOG (dialog));
        gtk_entry_set_text (GTK_ENTRY (entry), categories);
        g_free (categories);
    }

    gtk_widget_destroy (GTK_WIDGET (dialog));
}