1 /* Copyright (c) 2006, Nokia Corporation
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * * Neither the name of the Nokia Corporation nor the names of its
14 * contributors may be used to endorse or promote products derived from
15 * this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
18 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
20 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
21 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
25 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
26 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <gtk/gtkcelllayout.h>
31 #include <gtk/gtkcellrenderertext.h>
32 #include <gtk/gtkliststore.h>
33 #include "modest-combo-box.h"
35 /* 'private'/'protected' functions */
36 static void modest_combo_box_class_init (ModestComboBoxClass *klass);
37 static void modest_combo_box_init (ModestComboBox *obj);
38 static void modest_combo_box_finalize (GObject *obj);
53 typedef struct _ModestComboBoxPrivate ModestComboBoxPrivate;
54 struct _ModestComboBoxPrivate {
55 GEqualFunc id_equal_func;
58 #define MODEST_COMBO_BOX_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), \
59 MODEST_TYPE_COMBO_BOX, \
60 ModestComboBoxPrivate))
62 static GObjectClass *parent_class = NULL;
64 /* uncomment the following if you have defined any signals */
65 /* static guint signals[LAST_SIGNAL] = {0}; */
68 modest_combo_box_get_type (void)
70 static GType my_type = 0;
72 static const GTypeInfo my_info = {
73 sizeof(ModestComboBoxClass),
75 NULL, /* base finalize */
76 (GClassInitFunc) modest_combo_box_class_init,
77 NULL, /* class finalize */
78 NULL, /* class data */
79 sizeof(ModestComboBox),
81 (GInstanceInitFunc) modest_combo_box_init,
84 my_type = g_type_register_static (GTK_TYPE_COMBO_BOX,
92 modest_combo_box_class_init (ModestComboBoxClass *klass)
94 GObjectClass *gobject_class;
95 gobject_class = (GObjectClass*) klass;
97 parent_class = g_type_class_peek_parent (klass);
98 gobject_class->finalize = modest_combo_box_finalize;
100 g_type_class_add_private (gobject_class, sizeof(ModestComboBoxPrivate));
102 /* signal definitions go here, e.g.: */
103 /* signals[MY_SIGNAL_1] = */
104 /* g_signal_new ("my_signal_1",....); */
105 /* signals[MY_SIGNAL_2] = */
106 /* g_signal_new ("my_signal_2",....); */
111 modest_combo_box_init (ModestComboBox *obj)
113 /* uncomment the following if you init any of the private data */
114 /* ModestComboBoxPrivate *priv = MODEST_COMBO_BOX_GET_PRIVATE(obj); */
116 /* initialize this object, eg.: */
117 /* priv->frobnicate_mode = FALSE; */
121 modest_combo_box_finalize (GObject *obj)
123 /* free/unref instance resources here */
124 G_OBJECT_CLASS(parent_class)->finalize (obj);
128 get_model (ModestPairList *pairs)
134 store = gtk_list_store_new (2,
135 G_TYPE_POINTER, /* the id */
136 G_TYPE_STRING); /* the display name */
139 ModestPair *pair = (ModestPair*)cursor->data;
140 gtk_list_store_insert_with_values (store, &iter, G_MAXINT,
141 COLUMN_ID, pair->first,
142 COLUMN_DISPLAY_NAME, pair->second,
144 cursor = cursor->next;
147 return GTK_TREE_MODEL (store);
151 modest_combo_box_set_pair_list (ModestComboBox *combo, ModestPairList *pairs)
155 model = get_model (pairs);
157 gtk_combo_box_set_model (GTK_COMBO_BOX(combo), model);
158 g_object_unref (model);
160 gtk_combo_box_set_active (GTK_COMBO_BOX(combo), 0);
166 modest_combo_box_new (ModestPairList *pairs, GEqualFunc id_equal_func)
169 GtkCellRenderer *renderer;
171 ModestComboBoxPrivate *priv;
173 obj = G_OBJECT(g_object_new(MODEST_TYPE_COMBO_BOX, NULL));
174 priv = MODEST_COMBO_BOX_GET_PRIVATE(obj);
176 model = get_model (pairs);
178 gtk_combo_box_set_model (GTK_COMBO_BOX(obj), model);
179 g_object_unref (model);
180 gtk_cell_layout_clear (GTK_CELL_LAYOUT(obj));
182 renderer = gtk_cell_renderer_text_new ();
183 g_object_set (G_OBJECT (renderer), "ellipsize", PANGO_ELLIPSIZE_END, NULL);
184 gtk_cell_layout_pack_start (GTK_CELL_LAYOUT(obj),
186 gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT(obj),
188 COLUMN_DISPLAY_NAME, NULL);
191 gtk_combo_box_set_active (GTK_COMBO_BOX(obj), 0);
194 priv->id_equal_func = id_equal_func;
196 priv->id_equal_func = g_direct_equal; /* compare the ptr values */
198 return GTK_WIDGET(obj);
204 get_active (ModestComboBox *self, GValue *val, gint column)
207 g_return_if_fail (self);
209 if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX(self), &iter)) {
212 model = gtk_combo_box_get_model (GTK_COMBO_BOX(self));
213 gtk_tree_model_get_value (model, &iter, column, val);
218 modest_combo_box_get_active_id (ModestComboBox *self)
222 g_return_val_if_fail (self, NULL);
224 /* Do not unset the GValue */
225 get_active (self, &val, COLUMN_ID);
227 return g_value_get_pointer (&val);
232 modest_combo_box_set_active_id (ModestComboBox *self, gpointer id)
236 ModestComboBoxPrivate *priv;
237 gboolean found = FALSE;
239 g_return_if_fail (self);
241 priv = MODEST_COMBO_BOX_GET_PRIVATE(self);
243 model = gtk_combo_box_get_model (GTK_COMBO_BOX(self));
244 if (!gtk_tree_model_get_iter_first (model, &iter))
245 return; /* empty list */
249 gtk_tree_model_get (model, &iter, COLUMN_ID, &row_id, -1);
250 if ((priv->id_equal_func)(id, row_id)) {
251 gtk_combo_box_set_active_iter (GTK_COMBO_BOX(self), &iter);
254 } while (!found && gtk_tree_model_iter_next (model, &iter));
257 g_printerr ("modest: could not set the active id\n");
263 modest_combo_box_get_active_display_name (ModestComboBox *self)
265 const GValue val = {0,};
268 g_return_val_if_fail (self, NULL);
270 /* Do not unset the GValue */
271 get_active (self, (GValue *)&val, COLUMN_DISPLAY_NAME);
272 retval = g_value_get_string (&val);