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
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/*
* This file is part of libslab.
*
* Copyright (c) 2006 Novell, Inc.
*
* Libslab 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)
* any later version.
*
* Libslab 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 libslab; if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "search-bar.h"
#include "config.h"
#include "nld-marshal.h"
#include <glib/gi18n-lib.h>
typedef struct
{
GtkWidget *hbox;
GtkEntry *entry;
GtkWidget *button;
int search_timeout;
guint timeout_id;
gboolean block_signal;
} NldSearchBarPrivate;
static void nld_search_bar_class_init (NldSearchBarClass *);
static void nld_search_bar_init (NldSearchBar *);
static void nld_search_bar_finalize (GObject *);
static gboolean nld_search_bar_focus (GtkWidget *, GtkDirectionType);
static void nld_search_bar_grab_focus (GtkWidget *);
enum
{
SEARCH,
LAST_SIGNAL
};
static guint signals[LAST_SIGNAL] = { 0 };
G_DEFINE_TYPE_WITH_PRIVATE (NldSearchBar, nld_search_bar, GTK_TYPE_BOX)
static void emit_search (NldSearchBar * search_bar);
static void emit_search_callback (GtkWidget * widget, gpointer search_bar);
static void nld_search_bar_class_init (NldSearchBarClass * nld_search_bar_class)
{
GObjectClass *object_class = G_OBJECT_CLASS (nld_search_bar_class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (nld_search_bar_class);
object_class->finalize = nld_search_bar_finalize;
widget_class->focus = nld_search_bar_focus;
widget_class->grab_focus = nld_search_bar_grab_focus;
signals[SEARCH] =
g_signal_new ("search", G_TYPE_FROM_CLASS (nld_search_bar_class),
G_SIGNAL_RUN_FIRST | G_SIGNAL_ACTION, G_STRUCT_OFFSET (NldSearchBarClass, search),
NULL, NULL, nld_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING);
}
static void
nld_search_bar_init (NldSearchBar * search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
GtkWidget *entry;
gtk_widget_set_can_focus (GTK_WIDGET (search_bar), TRUE);
gtk_orientable_set_orientation (GTK_ORIENTABLE (search_bar), GTK_ORIENTATION_VERTICAL);
priv->hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 3);
gtk_box_pack_start (GTK_BOX (search_bar), priv->hbox, TRUE, FALSE, 0);
entry = gtk_search_entry_new ();
gtk_widget_set_halign (entry, GTK_ALIGN_START);
gtk_widget_set_valign (entry, GTK_ALIGN_CENTER);
priv->entry = GTK_ENTRY (entry);
gtk_widget_show (entry);
gtk_box_pack_start (GTK_BOX (priv->hbox), entry, TRUE, TRUE, 0);
g_signal_connect (entry, "activate", G_CALLBACK (emit_search_callback), search_bar);
priv->search_timeout = -1;
}
static void
nld_search_bar_finalize (GObject * object)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (NLD_SEARCH_BAR(object));
if (priv->timeout_id)
g_source_remove (priv->timeout_id);
G_OBJECT_CLASS (nld_search_bar_parent_class)->finalize (object);
}
static gboolean
nld_search_bar_focus (GtkWidget * widget, GtkDirectionType dir)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (NLD_SEARCH_BAR(widget));
return gtk_widget_child_focus (priv->hbox, dir);
}
gboolean
nld_search_bar_has_focus (NldSearchBar * search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
return gtk_widget_has_focus (GTK_WIDGET (priv->entry));
}
static void
nld_search_bar_grab_focus (GtkWidget * widget)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (NLD_SEARCH_BAR(widget));
gtk_widget_grab_focus (GTK_WIDGET (priv->entry));
}
GtkWidget *
nld_search_bar_new (void)
{
return g_object_new (NLD_TYPE_SEARCH_BAR, NULL);
}
void
nld_search_bar_clear (NldSearchBar * search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
priv->block_signal = TRUE;
gtk_entry_set_text (priv->entry, "");
priv->block_signal = FALSE;
}
static void
emit_search (NldSearchBar * search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
if (priv->block_signal)
return;
if (priv->timeout_id)
{
g_source_remove (priv->timeout_id);
priv->timeout_id = 0;
}
g_signal_emit (search_bar, signals[SEARCH], 0,
nld_search_bar_get_text (search_bar));
}
static void
emit_search_callback (GtkWidget * widget, gpointer search_bar)
{
emit_search (search_bar);
}
static gboolean
search_timeout (gpointer search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
priv->timeout_id = 0;
emit_search (search_bar);
return FALSE;
}
static void
entry_changed (GtkWidget * entry, gpointer search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
if (priv->search_timeout == 0)
emit_search (search_bar);
else if (priv->search_timeout > 0)
{
if (priv->timeout_id != 0)
g_source_remove (priv->timeout_id);
priv->timeout_id =
g_timeout_add (priv->search_timeout * 1000, search_timeout, search_bar);
}
}
int
nld_search_bar_get_search_timeout (NldSearchBar * search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
return priv->search_timeout;
}
void
nld_search_bar_set_search_timeout (NldSearchBar * search_bar, int search_timeout)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
if (priv->search_timeout != -1 && search_timeout == -1)
g_signal_handlers_disconnect_by_func (priv->entry, entry_changed, search_bar);
else if (search_timeout != -1)
{
g_signal_connect (priv->entry, "changed", G_CALLBACK (entry_changed), search_bar);
}
priv->search_timeout = search_timeout;
}
const char *
nld_search_bar_get_text (NldSearchBar * search_bar)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
return gtk_entry_get_text (priv->entry);
}
void
nld_search_bar_set_text (NldSearchBar * search_bar, const char *text, gboolean activate)
{
NldSearchBarPrivate *priv = nld_search_bar_get_instance_private (search_bar);
gtk_entry_set_text (priv->entry, text);
if (activate)
emit_search (search_bar);
}
|
