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/*
* Specialization of GtkTextView for the XML tree view
*
* Authors:
* MenTaLguY <mental@rydia.net>
*
* Copyright (C) 2002 MenTaLguY
* Abhishek Sharma
*
* Released under the GNU GPL; see COPYING for details
*/
#include <cstring>
#include <glibmm/i18n.h>
#include "xml/node-event-vector.h"
#include "sp-xmlview-content.h"
#include "desktop-handles.h"
#include "document-private.h"
#include "document-undo.h"
#include "inkscape.h"
#include "verbs.h"
using Inkscape::DocumentUndo;
static void sp_xmlview_content_class_init (SPXMLViewContentClass * klass);
static void sp_xmlview_content_init (SPXMLViewContent * text);
#if GTK_CHECK_VERSION(3,0,0)
static void sp_xmlview_content_destroy(GtkWidget * object);
#else
static void sp_xmlview_content_destroy(GtkObject * object);
#endif
void sp_xmlview_content_changed (GtkTextBuffer *tb, SPXMLViewContent *text);
static void event_content_changed (Inkscape::XML::Node * repr, const gchar * old_content, const gchar * new_content, gpointer data);
static GtkTextViewClass * parent_class = NULL;
static Inkscape::XML::NodeEventVector repr_events = {
NULL, /* child_added */
NULL, /* child_removed */
NULL, /* attr_changed */
event_content_changed,
NULL /* order_changed */
};
GtkWidget *sp_xmlview_content_new(Inkscape::XML::Node * repr)
{
GtkTextBuffer *tb = gtk_text_buffer_new(NULL);
SPXMLViewContent *text = SP_XMLVIEW_CONTENT(g_object_new(SP_TYPE_XMLVIEW_CONTENT, NULL));
gtk_text_view_set_buffer (GTK_TEXT_VIEW (text), tb);
gtk_text_view_set_wrap_mode (GTK_TEXT_VIEW (text), GTK_WRAP_CHAR);
g_signal_connect (G_OBJECT (tb), "changed", G_CALLBACK (sp_xmlview_content_changed), text);
/* should we alter the scrolling adjustments here? */
sp_xmlview_content_set_repr (text, repr);
return GTK_WIDGET(text);
}
void
sp_xmlview_content_set_repr (SPXMLViewContent * text, Inkscape::XML::Node * repr)
{
if ( repr == text->repr ) return;
if (text->repr) {
sp_repr_remove_listener_by_data (text->repr, text);
Inkscape::GC::release(text->repr);
}
text->repr = repr;
if (repr) {
Inkscape::GC::anchor(repr);
sp_repr_add_listener (repr, &repr_events, text);
sp_repr_synthesize_events (repr, &repr_events, text);
} else {
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)), "", 0);
gtk_text_view_set_editable (GTK_TEXT_VIEW (text), FALSE);
}
}
GType sp_xmlview_content_get_type(void)
{
static GType type = 0;
if (!type) {
GTypeInfo info = {
sizeof(SPXMLViewContentClass),
0, // base_init
0, // base_finalize
(GClassInitFunc)sp_xmlview_content_class_init,
0, // class_finalize
0, // class_data
sizeof(SPXMLViewContent),
0, // n_preallocs
(GInstanceInitFunc)sp_xmlview_content_init,
0 // value_table
};
type = g_type_register_static(GTK_TYPE_TEXT_VIEW, "SPXMLViewContent", &info, static_cast<GTypeFlags>(0));
}
return type;
}
void sp_xmlview_content_class_init(SPXMLViewContentClass * klass)
{
#if GTK_CHECK_VERSION(3,0,0)
GtkWidgetClass * widget_class = GTK_WIDGET_CLASS(klass);
widget_class->destroy = sp_xmlview_content_destroy;
#else
GtkObjectClass * object_class = GTK_OBJECT_CLASS(klass);
object_class->destroy = sp_xmlview_content_destroy;
#endif
parent_class = GTK_TEXT_VIEW_CLASS(g_type_class_peek_parent (klass));
}
void
sp_xmlview_content_init (SPXMLViewContent *text)
{
text->repr = NULL;
text->blocked = FALSE;
}
#if GTK_CHECK_VERSION(3,0,0)
void sp_xmlview_content_destroy(GtkWidget * object)
#else
void sp_xmlview_content_destroy(GtkObject * object)
#endif
{
SPXMLViewContent * text = SP_XMLVIEW_CONTENT (object);
sp_xmlview_content_set_repr (text, NULL);
#if GTK_CHECK_VERSION(3,0,0)
GTK_WIDGET_CLASS (parent_class)->destroy (object);
#else
GTK_OBJECT_CLASS (parent_class)->destroy (object);
#endif
}
void
event_content_changed (Inkscape::XML::Node * /*repr*/, const gchar * /*old_content*/, const gchar * new_content, gpointer data)
{
SPXMLViewContent * text;
text = SP_XMLVIEW_CONTENT (data);
if (text->blocked) return;
text->blocked = TRUE;
if (new_content) {
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)), new_content, strlen (new_content));
} else {
gtk_text_buffer_set_text (gtk_text_view_get_buffer (GTK_TEXT_VIEW (text)), "", 0);
}
gtk_text_view_set_editable (GTK_TEXT_VIEW (text), new_content != NULL);
text->blocked = FALSE;
}
void
sp_xmlview_content_changed (GtkTextBuffer *tb, SPXMLViewContent *text)
{
if (text->blocked) return;
if (text->repr) {
GtkTextIter start, end;
gchar *data;
text->blocked = TRUE;
gtk_text_buffer_get_bounds (tb, &start, &end);
data = gtk_text_buffer_get_text (tb, &start, &end, TRUE);
text->repr->setContent(data);
g_free (data);
text->blocked = FALSE;
DocumentUndo::done(sp_desktop_document(SP_ACTIVE_DESKTOP), SP_VERB_DIALOG_XML_EDITOR,
_("Type text in a text node"));
}
}
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