1 /*
2 * Copyright (C) 2009 - 2011 Vivien Malerba <malerba@gnome-db.org>
3 * Copyright (C) 2010 David King <davidk@openismus.com>
4 * Copyright (C) 2011 Murray Cumming <murrayc@murrayc.com>
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include "gdaui-entry-boolean.h"
23
24 /*
25 * Main static functions
26 */
27 static void gdaui_entry_boolean_class_init (GdauiEntryBooleanClass * class);
28 static void gdaui_entry_boolean_init (GdauiEntryBoolean * srv);
29 static void gdaui_entry_boolean_dispose (GObject * object);
30 static void gdaui_entry_boolean_finalize (GObject * object);
31
32 /* virtual functions */
33 static GtkWidget *create_entry (GdauiEntryWrapper *mgwrap);
34 static void real_set_value (GdauiEntryWrapper *mgwrap, const GValue *value);
35 static GValue *real_get_value (GdauiEntryWrapper *mgwrap);
36 static void connect_signals(GdauiEntryWrapper *mgwrap, GCallback modify_cb, GCallback activate_cb);
37 static void set_editable (GdauiEntryWrapper *mgwrap, gboolean editable);
38 static void grab_focus (GdauiEntryWrapper *mgwrap);
39
40 /* get a pointer to the parents to be able to call their destructor */
41 static GObjectClass *parent_class = NULL;
42
43 /* private structure */
44 struct _GdauiEntryBooleanPrivate
45 {
46 GtkWidget *hbox;
47 GtkWidget *check;
48 };
49
50
51 GType
gdaui_entry_boolean_get_type(void)52 gdaui_entry_boolean_get_type (void)
53 {
54 static GType type = 0;
55
56 if (G_UNLIKELY (type == 0)) {
57 static const GTypeInfo info = {
58 sizeof (GdauiEntryBooleanClass),
59 (GBaseInitFunc) NULL,
60 (GBaseFinalizeFunc) NULL,
61 (GClassInitFunc) gdaui_entry_boolean_class_init,
62 NULL,
63 NULL,
64 sizeof (GdauiEntryBoolean),
65 0,
66 (GInstanceInitFunc) gdaui_entry_boolean_init,
67 0
68 };
69
70 type = g_type_register_static (GDAUI_TYPE_ENTRY_WRAPPER, "GdauiEntryBoolean", &info, 0);
71 }
72 return type;
73 }
74
75 static void
gdaui_entry_boolean_class_init(GdauiEntryBooleanClass * class)76 gdaui_entry_boolean_class_init (GdauiEntryBooleanClass * class)
77 {
78 GObjectClass *object_class = G_OBJECT_CLASS (class);
79
80 parent_class = g_type_class_peek_parent (class);
81
82 object_class->dispose = gdaui_entry_boolean_dispose;
83 object_class->finalize = gdaui_entry_boolean_finalize;
84
85 GDAUI_ENTRY_WRAPPER_CLASS (class)->create_entry = create_entry;
86 GDAUI_ENTRY_WRAPPER_CLASS (class)->real_set_value = real_set_value;
87 GDAUI_ENTRY_WRAPPER_CLASS (class)->real_get_value = real_get_value;
88 GDAUI_ENTRY_WRAPPER_CLASS (class)->connect_signals = connect_signals;
89 GDAUI_ENTRY_WRAPPER_CLASS (class)->set_editable = set_editable;
90 GDAUI_ENTRY_WRAPPER_CLASS (class)->grab_focus = grab_focus;
91 }
92
93 static void
gdaui_entry_boolean_init(GdauiEntryBoolean * gdaui_entry_boolean)94 gdaui_entry_boolean_init (GdauiEntryBoolean * gdaui_entry_boolean)
95 {
96 gdaui_entry_boolean->priv = g_new0 (GdauiEntryBooleanPrivate, 1);
97 gdaui_entry_boolean->priv->hbox = NULL;
98 gdaui_entry_boolean->priv->check = NULL;
99 }
100
101 /**
102 * gdaui_entry_boolean_new:
103 * @dh: the data handler to be used by the new widget
104 * @type: the requested data type (compatible with @dh)
105 *
106 * Creates a new data entry widget
107 *
108 * Returns: (transfer full): the new widget
109 */
110 GtkWidget *
gdaui_entry_boolean_new(GdaDataHandler * dh,GType type)111 gdaui_entry_boolean_new (GdaDataHandler *dh, GType type)
112 {
113 GObject *obj;
114 GdauiEntryBoolean *mgbool;
115
116 g_return_val_if_fail (GDA_IS_DATA_HANDLER (dh), NULL);
117 g_return_val_if_fail (gda_data_handler_accepts_g_type (dh, type), NULL);
118
119 obj = g_object_new (GDAUI_TYPE_ENTRY_BOOLEAN, "handler", dh, NULL);
120 mgbool = GDAUI_ENTRY_BOOLEAN (obj);
121 gdaui_data_entry_set_value_type (GDAUI_DATA_ENTRY (mgbool), type);
122
123 return GTK_WIDGET (obj);
124 }
125
126
127 static void
gdaui_entry_boolean_dispose(GObject * object)128 gdaui_entry_boolean_dispose (GObject * object)
129 {
130 GdauiEntryBoolean *gdaui_entry_boolean;
131
132 g_return_if_fail (object != NULL);
133 g_return_if_fail (GDAUI_IS_ENTRY_BOOLEAN (object));
134
135 gdaui_entry_boolean = GDAUI_ENTRY_BOOLEAN (object);
136 if (gdaui_entry_boolean->priv) {
137
138 }
139
140 /* parent class */
141 parent_class->dispose (object);
142 }
143
144 static void
gdaui_entry_boolean_finalize(GObject * object)145 gdaui_entry_boolean_finalize (GObject * object)
146 {
147 GdauiEntryBoolean *gdaui_entry_boolean;
148
149 g_return_if_fail (object != NULL);
150 g_return_if_fail (GDAUI_IS_ENTRY_BOOLEAN (object));
151
152 gdaui_entry_boolean = GDAUI_ENTRY_BOOLEAN (object);
153 if (gdaui_entry_boolean->priv) {
154
155 g_free (gdaui_entry_boolean->priv);
156 gdaui_entry_boolean->priv = NULL;
157 }
158
159 /* parent class */
160 parent_class->finalize (object);
161 }
162
163 static GtkWidget *
create_entry(GdauiEntryWrapper * mgwrap)164 create_entry (GdauiEntryWrapper *mgwrap)
165 {
166 GtkWidget *hbox, *cb;
167 GdauiEntryBoolean *mgbool;
168
169 g_return_val_if_fail (GDAUI_IS_ENTRY_BOOLEAN (mgwrap), NULL);
170 mgbool = GDAUI_ENTRY_BOOLEAN (mgwrap);
171 g_return_val_if_fail (mgbool->priv, NULL);
172
173 hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 5);
174 mgbool->priv->hbox = hbox;
175
176 cb = gtk_check_button_new ();
177 mgbool->priv->check = cb;
178 gtk_box_pack_start (GTK_BOX (hbox), cb, FALSE, FALSE, 0);
179 gtk_widget_show (cb);
180
181 return hbox;
182 }
183
184 static void
real_set_value(GdauiEntryWrapper * mgwrap,const GValue * value)185 real_set_value (GdauiEntryWrapper *mgwrap, const GValue *value)
186 {
187 GdauiEntryBoolean *mgbool;
188
189 g_return_if_fail (GDAUI_IS_ENTRY_BOOLEAN (mgwrap));
190 mgbool = GDAUI_ENTRY_BOOLEAN (mgwrap);
191 g_return_if_fail (mgbool->priv);
192
193 if (value) {
194 if (gda_value_is_null ((GValue *) value)) {
195 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mgbool->priv->check), FALSE);
196 gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (mgbool->priv->check), TRUE);
197 }
198 else {
199 gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (mgbool->priv->check), FALSE);
200 if (g_value_get_boolean ((GValue *) value))
201 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mgbool->priv->check), TRUE);
202 else
203 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mgbool->priv->check), FALSE);
204 }
205 }
206 else {
207 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (mgbool->priv->check), FALSE);
208 gtk_toggle_button_set_inconsistent (GTK_TOGGLE_BUTTON (mgbool->priv->check), TRUE);
209 }
210 }
211
212 static GValue *
real_get_value(GdauiEntryWrapper * mgwrap)213 real_get_value (GdauiEntryWrapper *mgwrap)
214 {
215 GValue *value;
216 GdauiEntryBoolean *mgbool;
217 GdaDataHandler *dh;
218 const gchar *str;
219
220 g_return_val_if_fail (GDAUI_IS_ENTRY_BOOLEAN (mgwrap), NULL);
221 mgbool = GDAUI_ENTRY_BOOLEAN (mgwrap);
222 g_return_val_if_fail (mgbool->priv, NULL);
223
224 dh = gdaui_data_entry_get_handler (GDAUI_DATA_ENTRY (mgwrap));
225 if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (mgbool->priv->check)))
226 str = "TRUE";
227 else
228 str = "FALSE";
229 value = gda_data_handler_get_value_from_sql (dh, str, gdaui_data_entry_get_value_type (GDAUI_DATA_ENTRY (mgwrap)));
230
231 return value;
232 }
233
234 static void check_toggled_cb (GtkToggleButton *toggle, GdauiEntryBoolean *mgbool);
235 static void
connect_signals(GdauiEntryWrapper * mgwrap,GCallback modify_cb,GCallback activate_cb)236 connect_signals(GdauiEntryWrapper *mgwrap, GCallback modify_cb, GCallback activate_cb)
237 {
238 GdauiEntryBoolean *mgbool;
239
240 g_return_if_fail (GDAUI_IS_ENTRY_BOOLEAN (mgwrap));
241 mgbool = GDAUI_ENTRY_BOOLEAN (mgwrap);
242 g_return_if_fail (mgbool->priv);
243
244 g_signal_connect (G_OBJECT (mgbool->priv->check), "toggled",
245 modify_cb, mgwrap);
246 g_signal_connect (G_OBJECT (mgbool->priv->check), "toggled",
247 activate_cb, mgwrap);
248 g_signal_connect (G_OBJECT (mgbool->priv->check), "toggled",
249 G_CALLBACK (check_toggled_cb), mgwrap);
250 }
251
252 static void
check_toggled_cb(GtkToggleButton * toggle,G_GNUC_UNUSED GdauiEntryBoolean * mgbool)253 check_toggled_cb (GtkToggleButton *toggle, G_GNUC_UNUSED GdauiEntryBoolean *mgbool)
254 {
255 gtk_toggle_button_set_inconsistent (toggle, FALSE);
256 }
257
258 static void
set_editable(GdauiEntryWrapper * mgwrap,gboolean editable)259 set_editable (GdauiEntryWrapper *mgwrap, gboolean editable)
260 {
261 GdauiEntryBoolean *mgbool;
262
263 g_return_if_fail (GDAUI_IS_ENTRY_BOOLEAN (mgwrap));
264 mgbool = GDAUI_ENTRY_BOOLEAN (mgwrap);
265 g_return_if_fail (mgbool->priv);
266
267 gtk_widget_set_sensitive (mgbool->priv->check, editable);
268 }
269
270 static void
grab_focus(GdauiEntryWrapper * mgwrap)271 grab_focus (GdauiEntryWrapper *mgwrap)
272 {
273 GdauiEntryBoolean *mgbool;
274
275 g_return_if_fail (GDAUI_IS_ENTRY_BOOLEAN (mgwrap));
276 mgbool = GDAUI_ENTRY_BOOLEAN (mgwrap);
277 g_return_if_fail (mgbool->priv);
278
279 gtk_widget_grab_focus (mgbool->priv->check);
280 }
281