1 | /* GTK - The GIMP Toolkit |
2 | * gtkprintbackendprivate.h: Abstract printer backend interfaces |
3 | * Copyright (C) 2006, Red Hat, Inc. |
4 | * |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2 of the License, or (at your option) any later version. |
9 | * |
10 | * This library is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library. If not, see <http://www.gnu.org/licenses/>. |
17 | */ |
18 | |
19 | #include "config.h" |
20 | #include <string.h> |
21 | #include <glib.h> |
22 | #include <gmodule.h> |
23 | |
24 | #include "gtkprinteroptionset.h" |
25 | #include "gtkintl.h" |
26 | |
27 | /***************************************** |
28 | * GtkPrinterOptionSet * |
29 | *****************************************/ |
30 | |
31 | enum { |
32 | CHANGED, |
33 | LAST_SIGNAL |
34 | }; |
35 | |
36 | static guint signals[LAST_SIGNAL] = { 0 }; |
37 | |
38 | /* ugly side-effect of aliasing */ |
39 | #undef gtk_printer_option_set |
40 | |
41 | G_DEFINE_TYPE (GtkPrinterOptionSet, gtk_printer_option_set, G_TYPE_OBJECT) |
42 | |
43 | static void |
44 | gtk_printer_option_set_finalize (GObject *object) |
45 | { |
46 | GtkPrinterOptionSet *set = GTK_PRINTER_OPTION_SET (object); |
47 | |
48 | g_hash_table_destroy (hash_table: set->hash); |
49 | g_ptr_array_foreach (array: set->array, func: (GFunc)g_object_unref, NULL); |
50 | g_ptr_array_free (array: set->array, TRUE); |
51 | |
52 | G_OBJECT_CLASS (gtk_printer_option_set_parent_class)->finalize (object); |
53 | } |
54 | |
55 | static void |
56 | gtk_printer_option_set_init (GtkPrinterOptionSet *set) |
57 | { |
58 | set->array = g_ptr_array_new (); |
59 | set->hash = g_hash_table_new (hash_func: g_str_hash, key_equal_func: g_str_equal); |
60 | } |
61 | |
62 | static void |
63 | gtk_printer_option_set_class_init (GtkPrinterOptionSetClass *class) |
64 | { |
65 | GObjectClass *gobject_class = (GObjectClass *)class; |
66 | |
67 | gobject_class->finalize = gtk_printer_option_set_finalize; |
68 | |
69 | signals[CHANGED] = |
70 | g_signal_new (I_("changed" ), |
71 | G_TYPE_FROM_CLASS (gobject_class), |
72 | signal_flags: G_SIGNAL_RUN_LAST, |
73 | G_STRUCT_OFFSET (GtkPrinterOptionSetClass, changed), |
74 | NULL, NULL, |
75 | NULL, |
76 | G_TYPE_NONE, n_params: 0); |
77 | } |
78 | |
79 | |
80 | static void |
81 | emit_changed (GtkPrinterOptionSet *set) |
82 | { |
83 | g_signal_emit (instance: set, signal_id: signals[CHANGED], detail: 0); |
84 | } |
85 | |
86 | GtkPrinterOptionSet * |
87 | gtk_printer_option_set_new (void) |
88 | { |
89 | return g_object_new (GTK_TYPE_PRINTER_OPTION_SET, NULL); |
90 | } |
91 | |
92 | void |
93 | gtk_printer_option_set_remove (GtkPrinterOptionSet *set, |
94 | GtkPrinterOption *option) |
95 | { |
96 | int i; |
97 | |
98 | for (i = 0; i < set->array->len; i++) |
99 | { |
100 | if (g_ptr_array_index (set->array, i) == option) |
101 | { |
102 | g_ptr_array_remove_index (array: set->array, index_: i); |
103 | g_hash_table_remove (hash_table: set->hash, key: option->name); |
104 | g_signal_handlers_disconnect_by_func (option, emit_changed, set); |
105 | |
106 | g_object_unref (object: option); |
107 | break; |
108 | } |
109 | } |
110 | } |
111 | |
112 | void |
113 | gtk_printer_option_set_add (GtkPrinterOptionSet *set, |
114 | GtkPrinterOption *option) |
115 | { |
116 | g_object_ref (option); |
117 | |
118 | if (gtk_printer_option_set_lookup (set, name: option->name)) |
119 | gtk_printer_option_set_remove (set, option); |
120 | |
121 | g_ptr_array_add (array: set->array, data: option); |
122 | g_hash_table_insert (hash_table: set->hash, key: option->name, value: option); |
123 | g_signal_connect_object (instance: option, detailed_signal: "changed" , G_CALLBACK (emit_changed), gobject: set, connect_flags: G_CONNECT_SWAPPED); |
124 | } |
125 | |
126 | GtkPrinterOption * |
127 | gtk_printer_option_set_lookup (GtkPrinterOptionSet *set, |
128 | const char *name) |
129 | { |
130 | gpointer ptr; |
131 | |
132 | ptr = g_hash_table_lookup (hash_table: set->hash, key: name); |
133 | |
134 | return GTK_PRINTER_OPTION (ptr); |
135 | } |
136 | |
137 | void |
138 | gtk_printer_option_set_clear_conflicts (GtkPrinterOptionSet *set) |
139 | { |
140 | gtk_printer_option_set_foreach (set, |
141 | func: (GtkPrinterOptionSetFunc)gtk_printer_option_clear_has_conflict, |
142 | NULL); |
143 | } |
144 | |
145 | /** |
146 | * gtk_printer_option_set_get_groups: |
147 | * @set: a `GtkPrinterOptionSet` |
148 | * |
149 | * Gets the groups in this set. |
150 | * |
151 | * Returns: (element-type utf8) (transfer full): a list of group names. |
152 | */ |
153 | GList * |
154 | gtk_printer_option_set_get_groups (GtkPrinterOptionSet *set) |
155 | { |
156 | GtkPrinterOption *option; |
157 | GList *list = NULL; |
158 | int i; |
159 | |
160 | for (i = 0; i < set->array->len; i++) |
161 | { |
162 | option = g_ptr_array_index (set->array, i); |
163 | |
164 | if (g_list_find_custom (list, data: option->group, func: (GCompareFunc)g_strcmp0) == NULL) |
165 | list = g_list_prepend (list, data: g_strdup (str: option->group)); |
166 | } |
167 | |
168 | return g_list_reverse (list); |
169 | } |
170 | |
171 | void |
172 | gtk_printer_option_set_foreach_in_group (GtkPrinterOptionSet *set, |
173 | const char *group, |
174 | GtkPrinterOptionSetFunc func, |
175 | gpointer user_data) |
176 | { |
177 | GtkPrinterOption *option; |
178 | int i; |
179 | |
180 | for (i = 0; i < set->array->len; i++) |
181 | { |
182 | option = g_ptr_array_index (set->array, i); |
183 | |
184 | if (group == NULL || g_strcmp0 (str1: group, str2: option->group) == 0) |
185 | func (option, user_data); |
186 | } |
187 | } |
188 | |
189 | void |
190 | gtk_printer_option_set_foreach (GtkPrinterOptionSet *set, |
191 | GtkPrinterOptionSetFunc func, |
192 | gpointer user_data) |
193 | { |
194 | gtk_printer_option_set_foreach_in_group (set, NULL, func, user_data); |
195 | } |
196 | |