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
|
/*
* 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-entry.h"
#include "search-entry-watermark.h"
#include <librsvg/rsvg.h>
#include <string.h>
typedef struct
{
GdkPixbuf *watermark;
int width, height;
} NldSearchEntryPrivate;
#define NLD_SEARCH_ENTRY_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NLD_TYPE_SEARCH_ENTRY, NldSearchEntryPrivate))
static void nld_search_entry_class_init (NldSearchEntryClass *);
static void nld_search_entry_init (NldSearchEntry *);
static void nld_search_entry_finalize (GObject *);
static void nld_search_entry_realize (GtkWidget * widget);
static gboolean nld_search_entry_draw (GtkWidget * widget, cairo_t * cr);
G_DEFINE_TYPE (NldSearchEntry, nld_search_entry, GTK_TYPE_ENTRY)
static void nld_search_entry_class_init (NldSearchEntryClass * nld_search_entry_class)
{
GObjectClass *g_obj_class = G_OBJECT_CLASS (nld_search_entry_class);
GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (nld_search_entry_class);
g_type_class_add_private (nld_search_entry_class, sizeof (NldSearchEntryPrivate));
widget_class->realize = nld_search_entry_realize;
widget_class->draw = nld_search_entry_draw;
g_obj_class->finalize = nld_search_entry_finalize;
}
static void
nld_search_entry_init (NldSearchEntry * entry)
{
}
static void
nld_search_entry_finalize (GObject * object)
{
NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (object);
if (priv->watermark)
g_object_unref (priv->watermark);
G_OBJECT_CLASS (nld_search_entry_parent_class)->finalize (object);
}
static void
rsvg_size_callback (int *width, int *height, gpointer user_data)
{
NldSearchEntryPrivate *priv = user_data;
*width = priv->width = priv->height * (double) *width / (double) *height;
*height = priv->height;
}
static void
nld_search_entry_realize (GtkWidget * widget)
{
NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (widget);
int height;
GdkColor *gdkcolor;
char *svg, color[7];
RsvgHandle *rsvg;
GdkRectangle text_area;
GTK_WIDGET_CLASS (nld_search_entry_parent_class)->realize (widget);
gtk_entry_get_text_area (GTK_ENTRY (widget), &text_area);
height = text_area.height;
if (height - 2 == priv->height)
return;
priv->height = height - 2;
gdkcolor = >k_widget_get_style (widget)->fg[gtk_widget_get_state (widget)];
snprintf (color, 6, "%02x%02x%02x", gdkcolor->red >> 8, gdkcolor->green >> 8,
gdkcolor->blue >> 8);
svg = g_strdup_printf (SEARCH_ENTRY_WATERMARK_SVG, color, color);
rsvg = rsvg_handle_new ();
rsvg_handle_set_size_callback (rsvg, rsvg_size_callback, priv, NULL);
rsvg_handle_write (rsvg, (const guchar *) svg, strlen (svg), NULL);
rsvg_handle_close (rsvg, NULL);
g_free (svg);
if (priv->watermark)
g_object_unref (priv->watermark);
priv->watermark = rsvg_handle_get_pixbuf (rsvg);
g_object_unref (rsvg);
}
static gboolean
nld_search_entry_draw (GtkWidget * widget, cairo_t * cr)
{
NldSearchEntryPrivate *priv = NLD_SEARCH_ENTRY_GET_PRIVATE (widget);
GdkRectangle text_area;
gtk_entry_get_text_area (GTK_ENTRY (widget), &text_area);
GTK_WIDGET_CLASS (nld_search_entry_parent_class)->draw (widget, cr);
int width, x;
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR)
{
width = text_area.width;
x = width - priv->width - 1;
}
else
x = 1;
gdk_cairo_set_source_pixbuf (cr, priv->watermark, x, 1);
cairo_paint (cr);
return FALSE;
}
GtkWidget *
nld_search_entry_new (void)
{
return g_object_new (NLD_TYPE_SEARCH_ENTRY, NULL);
}
|
