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
|
/*
A library to take the object model made consistent by libdbusmenu-glib
and visualize it in GTK.
Copyright 2009 Canonical Ltd.
Authors:
Ted Gould <ted@canonical.com>
This program is free software: you can redistribute it and/or modify it
under the terms of either or both of the following licenses:
1) the GNU Lesser General Public License version 3, as published by the
Free Software Foundation; and/or
2) the GNU Lesser General Public License version 2.1, as published by
the Free Software Foundation.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranties of
MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
PURPOSE. See the applicable version of the GNU Lesser General Public
License for more details.
You should have received a copy of both the GNU Lesser General Public
License version 3 and version 2.1 along with this program. If not, see
<http://www.gnu.org/licenses/>
*/
#include "menuitem.h"
#include <gdk/gdk.h>
#include <gtk/gtk.h>
/**
dbusmenu_menuitem_property_set_image:
@menuitem: The #DbusmenuMenuitem to set the property on.
@property: Name of the property to set.
@data: The image to place on the property.
This function takes the pixbuf that is stored in @data and
turns it into a base64 encoded PNG so that it can be placed
onto a standard #DbusmenuMenuitem property.
Return value: Whether the function was able to set the property
or not.
*/
gboolean
dbusmenu_menuitem_property_set_image (DbusmenuMenuitem * menuitem, const gchar * property, const GdkPixbuf * data)
{
g_return_val_if_fail(GDK_IS_PIXBUF(data), FALSE);
g_return_val_if_fail(DBUSMENU_IS_MENUITEM(menuitem), FALSE);
g_return_val_if_fail(property != NULL && property[0] != '\0', FALSE);
GError * error = NULL;
gchar * png_data;
gsize png_data_len;
if (!gdk_pixbuf_save_to_buffer((GdkPixbuf *)data, &png_data, &png_data_len, "png", &error, NULL)) {
if (error == NULL) {
g_warning("Unable to create pixbuf data stream: %d", (gint)png_data_len);
} else {
g_warning("Unable to create pixbuf data stream: %s", error->message);
g_error_free(error);
error = NULL;
}
return FALSE;
}
gchar * prop_str = g_base64_encode((guchar *)png_data, png_data_len);
gboolean propreturn = FALSE;
propreturn = dbusmenu_menuitem_property_set(menuitem, property, prop_str);
g_free(prop_str);
g_free(png_data);
return propreturn;
}
/**
dbusmenu_menuitem_property_get_image:
@menuitem: The #DbusmenuMenuite to look for the property on
@property: The name of the property to look for.
This function looks on the menu item for a property by the
name of @property. If one exists it tries to turn it into
a #GdkPixbuf. It assumes that the property is a base64 encoded
PNG file like the one created by #dbusmenu_menuite_property_set_image.
Return value: A pixbuf or #NULL to signal error.
*/
GdkPixbuf *
dbusmenu_menuitem_property_get_image (DbusmenuMenuitem * menuitem, const gchar * property)
{
g_return_val_if_fail(DBUSMENU_IS_MENUITEM(menuitem), NULL);
g_return_val_if_fail(property != NULL && property[0] != '\0', NULL);
const gchar * value = dbusmenu_menuitem_property_get(menuitem, property);
/* There is no icon */
if (value == NULL || value[0] == '\0') {
return NULL;
}
gsize length = 0;
guchar * icondata = g_base64_decode(value, &length);
GInputStream * input = g_memory_input_stream_new_from_data(icondata, length, NULL);
if (input == NULL) {
g_warning("Cound not create input stream from icon property data");
g_free(icondata);
return NULL;
}
GError * error = NULL;
GdkPixbuf * icon = gdk_pixbuf_new_from_stream(input, NULL, &error);
if (error != NULL) {
g_warning("Unable to build Pixbuf from icon data: %s", error->message);
g_error_free(error);
}
error = NULL;
g_input_stream_close(input, NULL, &error);
if (error != NULL) {
g_warning("Unable to close input stream: %s", error->message);
g_error_free(error);
}
g_free(icondata);
return icon;
}
/**
dbusmenu_menuitem_property_set_shortcut:
@menuitem: The #DbusmenuMenuitem to set the shortcut on
@shortcut: String describing the shortcut
This function takes a GTK shortcut string as defined in
#gtk_accelerator_parse and turns that into the information
required to send it over DBusmenu.
Return value: Whether it was successful at setting the property.
*/
gboolean
dbusmenu_menuitem_property_set_shortcut (DbusmenuMenuitem * menuitem, const gchar * shortcut)
{
g_return_val_if_fail(DBUSMENU_IS_MENUITEM(menuitem), FALSE);
g_return_val_if_fail(shortcut != NULL, FALSE);
guint key = 0;
GdkModifierType modifier = 0;
gtk_accelerator_parse(shortcut, &key, &modifier);
if (key == 0) {
g_warning("Unable to parse shortcut string '%s'", shortcut);
return FALSE;
}
GPtrArray * array = g_ptr_array_new();
if (modifier & GDK_CONTROL_MASK) {
g_ptr_array_add(array, g_strdup(DBUSMENU_MENUITEM_SHORTCUT_CONTROL));
}
if (modifier & GDK_MOD1_MASK) {
g_ptr_array_add(array, g_strdup(DBUSMENU_MENUITEM_SHORTCUT_ALT));
}
if (modifier & GDK_SHIFT_MASK) {
g_ptr_array_add(array, g_strdup(DBUSMENU_MENUITEM_SHORTCUT_SHIFT));
}
if (modifier & GDK_SUPER_MASK) {
g_ptr_array_add(array, g_strdup(DBUSMENU_MENUITEM_SHORTCUT_SUPER));
}
gint len = g_utf8_strlen(shortcut, -1);
g_ptr_array_add(array, g_strdup(shortcut + len - 1));
GPtrArray * wrapper = g_ptr_array_new();
g_ptr_array_add(wrapper, array);
GValue value = {0};
g_value_init(&value, G_TYPE_BOXED);
g_value_set_boxed(&value, wrapper);
dbusmenu_menuitem_property_set_value(menuitem, DBUSMENU_MENUITEM_PROP_SHORTCUT, &value);
return TRUE;
}
/**
dbusmenu_menuitem_property_get_shortcut:
@menuitem: The #DbusmenuMenuitem to get the shortcut off
This function gets a GTK shortcut string as defined in
#gtk_accelerator_parse from the data that is transferred
over DBusmenu.
Return value: Either the string or #NULL if there is none.
*/
gchar *
dbusmenu_menuitem_property_get_shortcut (DbusmenuMenuitem * menuitem)
{
g_return_val_if_fail(DBUSMENU_IS_MENUITEM(menuitem), FALSE);
return NULL;
}
|
