moving trunk for module inkscape

(bzr r1)

1 files changed, 165 insertions, 0 deletions

diff --git a/src/widgets/sp-xmlview-content.cpp b/src/widgets/sp-xmlview-content.cpp
new file mode 100644
index 000000000..0d8878436
--- /dev/null
+++ b/src/widgets/sp-xmlview-content.cpp
@@ -0,0 +1,165 @@
+#define __SP_XMLVIEW_CONTENT_C__
+
+/*
+ * Specialization of GtkTextView for the XML tree view
+ *
+ * Authors:
+ *   MenTaLguY <mental@rydia.net>
+ *
+ * Copyright (C) 2002 MenTaLguY
+ *
+ * Released under the GNU GPL; see COPYING for details
+ */
+
+
+#include "xml/node-event-vector.h"
+#include "sp-xmlview-content.h"
+#include "desktop-handles.h"
+#include "document-private.h"
+#include "inkscape.h"
+
+static void sp_xmlview_content_class_init (SPXMLViewContentClass * klass);
+static void sp_xmlview_content_init (SPXMLViewContent * text);
+static void sp_xmlview_content_destroy (GtkObject * object);
+
+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;
+	SPXMLViewContent *text;
+
+	tb = gtk_text_buffer_new (NULL);
+	text = (SPXMLViewContent*)gtk_type_new (SP_TYPE_XMLVIEW_CONTENT);
+	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 (GtkWidget *) 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);
+	}
+}
+
+GtkType
+sp_xmlview_content_get_type (void)
+{
+	static GtkType type = 0;
+
+	if (!type) {
+		static const GtkTypeInfo info = {
+			"SPXMLViewContent",
+			sizeof (SPXMLViewContent),
+			sizeof (SPXMLViewContentClass),
+			(GtkClassInitFunc) sp_xmlview_content_class_init,
+			(GtkObjectInitFunc) sp_xmlview_content_init,
+			NULL, NULL, NULL
+		};
+		type = gtk_type_unique (GTK_TYPE_TEXT_VIEW, &info);
+	}
+
+	return type;
+}
+
+void
+sp_xmlview_content_class_init (SPXMLViewContentClass * klass)
+{
+	GtkObjectClass * object_class;
+
+	object_class = (GtkObjectClass *) klass;
+
+	parent_class = (GtkTextViewClass*)gtk_type_class (GTK_TYPE_TEXT_VIEW);
+
+	object_class->destroy = sp_xmlview_content_destroy;
+}
+
+void
+sp_xmlview_content_init (SPXMLViewContent *text)
+{
+	text->repr = NULL;
+	text->blocked = FALSE;
+}
+
+void
+sp_xmlview_content_destroy (GtkObject * object)
+{
+	SPXMLViewContent * text;
+
+	text = SP_XMLVIEW_CONTENT (object);
+
+	sp_xmlview_content_set_repr (text, NULL);
+
+	GTK_OBJECT_CLASS (parent_class)->destroy (object);
+}
+
+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;
+		sp_document_done (SP_DT_DOCUMENT (SP_ACTIVE_DESKTOP));
+	}
+}