aboutsummaryrefslogtreecommitdiffstats
path: root/e-util/e-dialog-widgets.c
blob: 60867315b075a0bf5be3845514efb15bc217e446 (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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
/*
 * Evolution internal utilities - Glade dialog widget utilities
 *
 * 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:
 *      Federico Mena-Quintero <federico@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

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

#include <math.h>
#include <string.h>
#include <time.h>
#include <gtk/gtk.h>

#include "e-dialog-widgets.h"

/* Converts an mapped value to the appropriate index in an item group.  The
 * values for the items are provided as a -1-terminated array.
 */
static gint
value_to_index (const gint *value_map, gint value)
{
    gint i;

    for (i = 0; value_map[i] != -1; i++)
        if (value_map[i] == value)
            return i;

    return -1;
}

/* Converts an index in an item group to the appropriate mapped value.  See the
 * function above.
 */
static gint
index_to_value (const gint *value_map, gint index)
{
    gint i;

    /* We do this the hard way, i.e. not as a simple array reference, to
     * check for correctness.
     */

    for (i = 0; value_map[i] != -1; i++)
        if (i == index)
            return value_map[i];

    return -1;
}

/**
 * e_dialog_editable_set:
 * @widget: A #GtkEditable widget.
 * @value: String value.
 *
 * Sets the string value inside a #GtkEditable-derived widget.
 **/
void
e_dialog_editable_set (GtkWidget *widget, const gchar *value)
{
    gint pos = 0;

    g_return_if_fail (GTK_IS_EDITABLE (widget));

    gtk_editable_delete_text (GTK_EDITABLE (widget), 0, -1);

    if (value)
        gtk_editable_insert_text (GTK_EDITABLE (widget), value, strlen (value), &pos);
}

/**
 * e_dialog_editable_get:
 * @widget: A #GtkEditable widget.
 *
 * Queries the string value inside a #GtkEditable-derived widget.
 *
 * Return value: String value.  You should free it when you are done with it.
 * This function can return NULL if the string could not be converted from
 * GTK+'s encoding into UTF8.
 **/
gchar *
e_dialog_editable_get (GtkWidget *widget)
{
    g_return_val_if_fail (GTK_IS_EDITABLE (widget), NULL);

    return gtk_editable_get_chars (GTK_EDITABLE (widget), 0, -1);
}

/**
 * e_dialog_combo_box_set:
 * @widget: A #GtkComboBox.
 * @value: Enumerated value.
 * @value_map: Map from enumeration values to array indices.
 *
 * Sets the selected item in a #GtkComboBox.  Please read the description of
 * e_dialog_radio_set() to see how @value_map maps enumeration values to item
 * indices.
 **/
void
e_dialog_combo_box_set (GtkWidget *widget, gint value, const gint *value_map)
{
    gint i;

    g_return_if_fail (GTK_IS_COMBO_BOX (widget));
    g_return_if_fail (value_map != NULL);

    i = value_to_index (value_map, value);

    if (i != -1)
        gtk_combo_box_set_active (GTK_COMBO_BOX (widget), i);
    else
        g_message (
            "e_dialog_combo_box_set(): could not "
            "find value %d in value map!", value);
}

/**
 * e_dialog_combo_box_get:
 * @widget: A #GtkComboBox.
 * @value_map: Map from enumeration values to array indices.
 *
 * Queries the selected item in a #GtkComboBox.  Please read the description
 * of e_dialog_radio_set() to see how @value_map maps enumeration values to item
 * indices.
 *
 * Return value: Enumeration value which corresponds to the selected item in the
 * combo box.
 **/
gint
e_dialog_combo_box_get (GtkWidget *widget, const gint *value_map)
{
    gint active;
    gint i;

    g_return_val_if_fail (GTK_IS_COMBO_BOX (widget), -1);
    g_return_val_if_fail (value_map != NULL, -1);

    active = gtk_combo_box_get_active (GTK_COMBO_BOX (widget));
    i = index_to_value (value_map, active);

    if (i == -1) {
        g_message (
            "e_dialog_combo_box_get(): could not "
            "find index %d in value map!", i);
        return -1;
    }

    return i;
}

/**
 * e_dialog_append_list_store_text:
 * @list_store: A #GtkListStore
 * @text_column: A string column ID, where to write @text_value
 * @text_value: A string to be added to the @list_store
 **/
void
e_dialog_append_list_store_text (GtkTreeModel *list_store,
                                 gint text_column,
                                 const gchar *text_value)
{
    GtkTreeIter iter;
    GtkListStore *store;

    g_return_if_fail (GTK_IS_LIST_STORE (list_store));
    g_return_if_fail (text_column >= 0);
    g_return_if_fail (text_value != NULL);

    store = GTK_LIST_STORE (list_store);
    gtk_list_store_append (store, &iter);
    gtk_list_store_set (store, &iter, text_column, text_value, -1);
}