1 #define __SP_ANCHOR_C__
3 /*
4 * SVG <a> element implementation
5 *
6 * Author:
7 * Lauris Kaplinski <lauris@kaplinski.com>
8 *
9 * Copyright (C) 2001-2002 Lauris Kaplinski
10 * Copyright (C) 2001 Ximian, Inc.
11 *
12 * Released under GNU GPL, read the file 'COPYING' for more information
13 */
15 #define noSP_ANCHOR_VERBOSE
17 #ifdef HAVE_CONFIG_H
18 # include "config.h"
19 #endif
21 #include <glibmm/i18n.h>
22 #include "xml/quote.h"
23 #include "xml/repr.h"
24 #include "attributes.h"
25 #include "sp-anchor.h"
26 #include "ui/view/view.h"
27 #include "document.h"
29 static void sp_anchor_class_init(SPAnchorClass *ac);
30 static void sp_anchor_init(SPAnchor *anchor);
32 static void sp_anchor_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
33 static void sp_anchor_release(SPObject *object);
34 static void sp_anchor_set(SPObject *object, unsigned int key, const gchar *value);
35 static Inkscape::XML::Node *sp_anchor_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
37 static gchar *sp_anchor_description(SPItem *item);
38 static gint sp_anchor_event(SPItem *item, SPEvent *event);
40 static SPGroupClass *parent_class;
42 GType sp_anchor_get_type(void)
43 {
44 static GType type = 0;
46 if (!type) {
47 GTypeInfo info = {
48 sizeof(SPAnchorClass),
49 NULL, /* base_init */
50 NULL, /* base_finalize */
51 (GClassInitFunc) sp_anchor_class_init,
52 NULL, /* class_finalize */
53 NULL, /* class_data */
54 sizeof(SPAnchor),
55 16, /* n_preallocs */
56 (GInstanceInitFunc) sp_anchor_init,
57 NULL, /* value_table */
58 };
59 type = g_type_register_static(SP_TYPE_GROUP, "SPAnchor", &info, (GTypeFlags) 0);
60 }
62 return type;
63 }
65 static void sp_anchor_class_init(SPAnchorClass *ac)
66 {
67 SPObjectClass *sp_object_class = (SPObjectClass *) ac;
68 SPItemClass *item_class = (SPItemClass *) ac;
70 parent_class = (SPGroupClass *) g_type_class_ref(SP_TYPE_GROUP);
72 sp_object_class->build = sp_anchor_build;
73 sp_object_class->release = sp_anchor_release;
74 sp_object_class->set = sp_anchor_set;
75 sp_object_class->write = sp_anchor_write;
77 item_class->description = sp_anchor_description;
78 item_class->event = sp_anchor_event;
79 }
81 static void sp_anchor_init(SPAnchor *anchor)
82 {
83 anchor->href = NULL;
84 }
86 static void sp_anchor_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
87 {
88 if (((SPObjectClass *) (parent_class))->build) {
89 ((SPObjectClass *) (parent_class))->build(object, document, repr);
90 }
92 sp_object_read_attr(object, "xlink:type");
93 sp_object_read_attr(object, "xlink:role");
94 sp_object_read_attr(object, "xlink:arcrole");
95 sp_object_read_attr(object, "xlink:title");
96 sp_object_read_attr(object, "xlink:show");
97 sp_object_read_attr(object, "xlink:actuate");
98 sp_object_read_attr(object, "xlink:href");
99 sp_object_read_attr(object, "target");
100 }
102 static void sp_anchor_release(SPObject *object)
103 {
104 SPAnchor *anchor = SP_ANCHOR(object);
106 if (anchor->href) {
107 g_free(anchor->href);
108 anchor->href = NULL;
109 }
111 if (((SPObjectClass *) parent_class)->release) {
112 ((SPObjectClass *) parent_class)->release(object);
113 }
114 }
116 static void sp_anchor_set(SPObject *object, unsigned int key, const gchar *value)
117 {
118 SPAnchor *anchor = SP_ANCHOR(object);
120 switch (key) {
121 case SP_ATTR_XLINK_HREF:
122 g_free(anchor->href);
123 anchor->href = g_strdup(value);
124 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
125 break;
126 case SP_ATTR_XLINK_TYPE:
127 case SP_ATTR_XLINK_ROLE:
128 case SP_ATTR_XLINK_ARCROLE:
129 case SP_ATTR_XLINK_TITLE:
130 case SP_ATTR_XLINK_SHOW:
131 case SP_ATTR_XLINK_ACTUATE:
132 case SP_ATTR_TARGET:
133 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
134 break;
135 default:
136 if (((SPObjectClass *) (parent_class))->set) {
137 ((SPObjectClass *) (parent_class))->set(object, key, value);
138 }
139 break;
140 }
141 }
144 #define COPY_ATTR(rd,rs,key) (rd)->setAttribute((key), rs->attribute(key));
146 static Inkscape::XML::Node *sp_anchor_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
147 {
148 SPAnchor *anchor = SP_ANCHOR(object);
150 if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
151 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
152 repr = xml_doc->createElement("svg:a");
153 }
155 repr->setAttribute("xlink:href", anchor->href);
157 if (repr != SP_OBJECT_REPR(object)) {
158 COPY_ATTR(repr, object->repr, "xlink:type");
159 COPY_ATTR(repr, object->repr, "xlink:role");
160 COPY_ATTR(repr, object->repr, "xlink:arcrole");
161 COPY_ATTR(repr, object->repr, "xlink:title");
162 COPY_ATTR(repr, object->repr, "xlink:show");
163 COPY_ATTR(repr, object->repr, "xlink:actuate");
164 COPY_ATTR(repr, object->repr, "target");
165 }
167 if (((SPObjectClass *) (parent_class))->write) {
168 ((SPObjectClass *) (parent_class))->write(object, repr, flags);
169 }
171 return repr;
172 }
174 static gchar *sp_anchor_description(SPItem *item)
175 {
176 SPAnchor *anchor = SP_ANCHOR(item);
177 if (anchor->href) {
178 char *quoted_href = xml_quote_strdup(anchor->href);
179 char *ret = g_strdup_printf(_("<b>Link</b> to %s"), quoted_href);
180 g_free(quoted_href);
181 return ret;
182 } else {
183 return g_strdup (_("<b>Link</b> without URI"));
184 }
185 }
187 /* fixme: We should forward event to appropriate container/view */
189 static gint sp_anchor_event(SPItem *item, SPEvent *event)
190 {
191 SPAnchor *anchor = SP_ANCHOR(item);
193 switch (event->type) {
194 case SP_EVENT_ACTIVATE:
195 if (anchor->href) {
196 g_print("Activated xlink:href=\"%s\"\n", anchor->href);
197 return TRUE;
198 }
199 break;
200 case SP_EVENT_MOUSEOVER:
201 (static_cast<Inkscape::UI::View::View*>(event->data))->mouseover();
202 break;
203 case SP_EVENT_MOUSEOUT:
204 (static_cast<Inkscape::UI::View::View*>(event->data))->mouseout();
205 break;
206 default:
207 break;
208 }
210 return FALSE;
211 }
213 /*
214 Local Variables:
215 mode:c++
216 c-file-style:"stroustrup"
217 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
218 indent-tabs-mode:nil
219 fill-column:99
220 End:
221 */
222 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :