6f0b0dff1a86d3cb5838c6dc76aaa81ba25e4481
1 #define __SP_XMLVIEW_CONTENT_C__
3 /*
4 * Specialization of GtkTextView for the XML tree view
5 *
6 * Authors:
7 * MenTaLguY <mental@rydia.net>
8 *
9 * Copyright (C) 2002 MenTaLguY
10 *
11 * Released under the GNU GPL; see COPYING for details
12 */
14 #include <cstring>
15 #include <glibmm/i18n.h>
17 #include "xml/node-event-vector.h"
18 #include "sp-xmlview-content.h"
19 #include "desktop-handles.h"
20 #include "document-private.h"
21 #include "inkscape.h"
23 static void sp_xmlview_content_class_init (SPXMLViewContentClass * klass);
24 static void sp_xmlview_content_init (SPXMLViewContent * text);
25 static void sp_xmlview_content_destroy (GtkObject * object);
27 void sp_xmlview_content_changed (GtkTextBuffer *tb, SPXMLViewContent *text);
29 static void event_content_changed (Inkscape::XML::Node * repr, const gchar * old_content, const gchar * new_content, gpointer data);
31 static GtkTextViewClass * parent_class = NULL;
33 static Inkscape::XML::NodeEventVector repr_events = {
34 NULL, /* child_added */
35 NULL, /* child_removed */
36 NULL, /* attr_changed */
37 event_content_changed,
38 NULL /* order_changed */
39 };
41 GtkWidget *
42 sp_xmlview_content_new (Inkscape::XML::Node * repr)
43 {
44 GtkTextBuffer *tb;
45 SPXMLViewContent *text;
47 tb = gtk_text_buffer_new (NULL);
48 text = (SPXMLViewContent*)gtk_type_new (SP_TYPE_XMLVIEW_CONTENT);
49 gtk_text_view_set_buffer (GTK_TEXT_VIEW (text), tb);
50 gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text), GTK_WRAP_CHAR);
52 g_signal_connect (G_OBJECT (tb), "changed", G_CALLBACK (sp_xmlview_content_changed), text);
54 /* should we alter the scrolling adjustments here? */
56 sp_xmlview_content_set_repr (text, repr);
58 return (GtkWidget *) text;
59 }
61 void
62 sp_xmlview_content_set_repr (SPXMLViewContent * text, Inkscape::XML::Node * repr)
63 {
64 if ( repr == text->repr ) return;
65 if (text->repr) {
66 sp_repr_remove_listener_by_data (text->repr, text);
67 Inkscape::GC::release(text->repr);
68 }
69 text->repr = repr;
70 if (repr) {
71 Inkscape::GC::anchor(repr);
72 sp_repr_add_listener (repr, &repr_events, text);
73 sp_repr_synthesize_events (repr, &repr_events, text);
74 } else {
75 gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)), "", 0);
76 gtk_text_view_set_editable (GTK_TEXT_VIEW (text), FALSE);
77 }
78 }
80 GtkType
81 sp_xmlview_content_get_type (void)
82 {
83 static GtkType type = 0;
85 if (!type) {
86 static const GtkTypeInfo info = {
87 "SPXMLViewContent",
88 sizeof (SPXMLViewContent),
89 sizeof (SPXMLViewContentClass),
90 (GtkClassInitFunc) sp_xmlview_content_class_init,
91 (GtkObjectInitFunc) sp_xmlview_content_init,
92 NULL, NULL, NULL
93 };
94 type = gtk_type_unique (GTK_TYPE_TEXT_VIEW, &info);
95 }
97 return type;
98 }
100 void
101 sp_xmlview_content_class_init (SPXMLViewContentClass * klass)
102 {
103 GtkObjectClass * object_class;
105 object_class = (GtkObjectClass *) klass;
107 parent_class = (GtkTextViewClass*)gtk_type_class (GTK_TYPE_TEXT_VIEW);
109 object_class->destroy = sp_xmlview_content_destroy;
110 }
112 void
113 sp_xmlview_content_init (SPXMLViewContent *text)
114 {
115 text->repr = NULL;
116 text->blocked = FALSE;
117 }
119 void
120 sp_xmlview_content_destroy (GtkObject * object)
121 {
122 SPXMLViewContent * text;
124 text = SP_XMLVIEW_CONTENT (object);
126 sp_xmlview_content_set_repr (text, NULL);
128 GTK_OBJECT_CLASS (parent_class)->destroy (object);
129 }
131 void
132 event_content_changed (Inkscape::XML::Node * repr, const gchar * old_content, const gchar * new_content, gpointer data)
133 {
134 SPXMLViewContent * text;
135 text = SP_XMLVIEW_CONTENT (data);
137 if (text->blocked) return;
139 text->blocked = TRUE;
141 if (new_content) {
142 gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)), new_content, strlen (new_content));
143 } else {
144 gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)), "", 0);
145 }
146 gtk_text_view_set_editable (GTK_TEXT_VIEW (text), new_content != NULL);
148 text->blocked = FALSE;
149 }
151 void
152 sp_xmlview_content_changed (GtkTextBuffer *tb, SPXMLViewContent *text)
153 {
154 if (text->blocked) return;
156 if (text->repr) {
157 GtkTextIter start, end;
158 gchar *data;
159 text->blocked = TRUE;
160 gtk_text_buffer_get_bounds (tb, &start, &end);
161 data = gtk_text_buffer_get_text (tb, &start, &end, TRUE);
162 text->repr->setContent(data);
163 g_free (data);
164 text->blocked = FALSE;
165 sp_document_done (sp_desktop_document (SP_ACTIVE_DESKTOP), SP_VERB_DIALOG_XML_EDITOR,
166 _("Type text in a text node"));
167 }
168 }