sp-xmlview-attr-list.cpp revision cb2b13e16981a923b6d5880a064bade4ec96dc54
/*
* Specialization of GtkTreeView for the XML tree view
*
* Authors:
* MenTaLguY <mental@rydia.net>
*
* Copyright (C) 2002 MenTaLguY
*
* Released under the GNU GPL; see COPYING for details
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <cstring>
#include <glibmm/i18n.h>
#include "helper/sp-marshal.h"
#include "../xml/node-event-vector.h"
#include "sp-xmlview-attr-list.h"
static void sp_xmlview_attr_list_class_init (SPXMLViewAttrListClass * klass);
static void sp_xmlview_attr_list_init (SPXMLViewAttrList * list);
static void sp_xmlview_attr_list_destroy (GtkObject * object);
static void event_attr_changed (Inkscape::XML::Node * repr, const gchar * name, const gchar * old_value, const gchar * new_value, bool is_interactive, gpointer data);
static GtkTreeViewClass * parent_class = NULL;
static Inkscape::XML::NodeEventVector repr_events = {
NULL, /* child_added */
NULL, /* child_removed */
event_attr_changed,
NULL, /* content_changed */
NULL /* order_changed */
};
enum {COL_NAME=0, COL_VALUE, COL_ATTR};
GtkWidget *
sp_xmlview_attr_list_new (Inkscape::XML::Node * repr)
{
SPXMLViewAttrList * attr_list;
attr_list = (SPXMLViewAttrList*)g_object_new (SP_TYPE_XMLVIEW_ATTR_LIST, NULL);
attr_list->store = gtk_list_store_new (3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER);
gtk_tree_view_set_model (GTK_TREE_VIEW(attr_list), GTK_TREE_MODEL(attr_list->store));
GtkCellRenderer *cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(attr_list), COL_NAME, _("Attribute"), cell, "text", 0, NULL);
GtkTreeViewColumn *column = gtk_tree_view_get_column (GTK_TREE_VIEW(attr_list), COL_NAME);
gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_column_set_sort_column_id (column, COL_NAME);
gtk_tree_sortable_set_sort_column_id ( GTK_TREE_SORTABLE(attr_list->store), COL_NAME, GTK_SORT_ASCENDING);
gtk_cell_renderer_set_padding (cell, 2, 0);
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(attr_list), COL_VALUE, _("Value"), cell, "text", COL_VALUE, NULL);
column = gtk_tree_view_get_column (GTK_TREE_VIEW(attr_list), COL_VALUE);
gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_cell_renderer_set_padding (cell, 2, 0);
sp_xmlview_attr_list_set_repr (attr_list, repr);
return (GtkWidget *) attr_list;
}
void
sp_xmlview_attr_list_set_repr (SPXMLViewAttrList * list, Inkscape::XML::Node * repr)
{
if ( repr == list->repr ) return;
if (list->repr) {
gtk_list_store_clear(list->store);
sp_repr_remove_listener_by_data (list->repr, list);
Inkscape::GC::release(list->repr);
}
list->repr = repr;
if (repr) {
Inkscape::GC::anchor(repr);
sp_repr_add_listener (repr, &repr_events, list);
sp_repr_synthesize_events (repr, &repr_events, list);
}
}
GType sp_xmlview_attr_list_get_type(void)
{
static GType type = 0;
if (!type) {
GTypeInfo info = {
sizeof(SPXMLViewAttrListClass),
0, // base_init
0, // base_finalize
(GClassInitFunc)sp_xmlview_attr_list_class_init,
0, // class_finalize
0, // class_data
sizeof(SPXMLViewAttrList),
0, // n_preallocs
(GInstanceInitFunc)sp_xmlview_attr_list_init,
0 // value_table
};
type = g_type_register_static(GTK_TYPE_TREE_VIEW, "SPXMLViewAttrList", &info, static_cast<GTypeFlags>(0));
}
return type;
}
void
sp_xmlview_attr_list_class_init (SPXMLViewAttrListClass * klass)
{
GtkObjectClass * object_class;
object_class = (GtkObjectClass *) klass;
object_class->destroy = sp_xmlview_attr_list_destroy;
parent_class = (GtkTreeViewClass*)g_type_class_peek_parent (klass);
g_signal_new ( "row-value-changed",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (SPXMLViewAttrListClass, row_changed),
NULL, NULL,
g_cclosure_marshal_VOID__UINT,
G_TYPE_NONE, 1,
G_TYPE_UINT);
}
void
sp_xmlview_attr_list_init (SPXMLViewAttrList * list)
{
list->store = NULL;
list->repr = NULL;
}
void
sp_xmlview_attr_list_destroy (GtkObject * object)
{
SPXMLViewAttrList * list;
list = SP_XMLVIEW_ATTR_LIST (object);
sp_xmlview_attr_list_set_repr (list, NULL);
GTK_OBJECT_CLASS (parent_class)->destroy (object);
}
void sp_xmlview_attr_list_select_row_by_key(SPXMLViewAttrList * list, gchar *name)
{
GtkTreeIter iter;
const gchar *n;
gboolean match = false;
gboolean valid = gtk_tree_model_get_iter_first( GTK_TREE_MODEL(list->store), &iter );
while ( valid ) {
gtk_tree_model_get (GTK_TREE_MODEL(list->store), &iter, COL_NAME, &n, -1);
if (!strcmp(n, name)) {
match = true;
break;
}
valid = gtk_tree_model_iter_next (GTK_TREE_MODEL(list->store), &iter);
}
if (match) {
GtkTreeSelection *selection = gtk_tree_view_get_selection (GTK_TREE_VIEW(list));
gtk_tree_selection_select_iter(selection, &iter);
}
}
void
event_attr_changed (Inkscape::XML::Node * /*repr*/,
const gchar * name,
const gchar * /*old_value*/,
const gchar * new_value,
bool /*is_interactive*/,
gpointer data)
{
gint row = -1;
SPXMLViewAttrList * list;
list = SP_XMLVIEW_ATTR_LIST (data);
GtkTreeIter iter;
const gchar *n;
gboolean valid = gtk_tree_model_get_iter_first( GTK_TREE_MODEL(list->store), &iter );
gboolean match = false;
while ( valid ) {
gtk_tree_model_get (GTK_TREE_MODEL(list->store), &iter, COL_NAME, &n, -1);
if (!strcmp(n, name)) {
match = true;
break;
}
row++;
valid = gtk_tree_model_iter_next (GTK_TREE_MODEL(list->store), &iter);
}
if (match) {
if (new_value) {
gtk_list_store_set (list->store, &iter, COL_NAME, name, COL_VALUE, new_value, COL_ATTR, GINT_TO_POINTER (g_quark_from_string (name)), -1);
} else {
gtk_list_store_remove (list->store, &iter);
}
} else if (new_value != NULL) {
gtk_list_store_append (list->store, &iter);
gtk_list_store_set (list->store, &iter, COL_NAME, name, COL_VALUE, new_value, COL_ATTR, GINT_TO_POINTER (g_quark_from_string (name)), -1);
}
// send a "changed" signal so widget owners will know I've updated
g_signal_emit_by_name(G_OBJECT (list), "row-value-changed", row );
}