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/*
* 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_destroy(GtkWidget * 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 Inkscape::XML::NodeEventVector repr_events = {
nullptr, /* child_added */
nullptr, /* child_removed */
event_attr_changed,
nullptr, /* content_changed */
nullptr /* order_changed */
};
GtkWidget *sp_xmlview_attr_list_new (Inkscape::XML::Node * repr)
{
SPXMLViewAttrList * attr_list = SP_XMLVIEW_ATTR_LIST(g_object_new(SP_TYPE_XMLVIEW_ATTR_LIST, nullptr));
attr_list->store = gtk_list_store_new (ATTR_N_COLS, G_TYPE_STRING, G_TYPE_UINT, G_TYPE_STRING );
gtk_tree_view_set_model (GTK_TREE_VIEW(attr_list), GTK_TREE_MODEL(attr_list->store));
// Attribute name column
int colpos = 0;
GtkCellRenderer *cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(attr_list), colpos, _("Name"), cell, "text", ATTR_COL_NAME, NULL);
GtkTreeViewColumn *column = gtk_tree_view_get_column (GTK_TREE_VIEW(attr_list), colpos);
gtk_tree_view_column_set_sizing (column, GTK_TREE_VIEW_COLUMN_AUTOSIZE);
gtk_tree_view_column_set_sort_column_id (column, colpos);
gtk_tree_sortable_set_sort_column_id ( GTK_TREE_SORTABLE(attr_list->store), ATTR_COL_NAME, GTK_SORT_ASCENDING);
gtk_cell_renderer_set_padding (cell, 2, 0);
// Attribute value column
colpos = 1;
cell = gtk_cell_renderer_text_new ();
gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(attr_list), colpos, _("Value"), cell, "text", ATTR_COL_VALUE, NULL);
column = gtk_tree_view_get_column (GTK_TREE_VIEW(attr_list), colpos);
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 GTK_WIDGET(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);
}
}
G_DEFINE_TYPE(SPXMLViewAttrList, sp_xmlview_attr_list, GTK_TYPE_TREE_VIEW);
void sp_xmlview_attr_list_class_init (SPXMLViewAttrListClass * klass)
{
auto widget_class = GTK_WIDGET_CLASS(klass);
widget_class->destroy = sp_xmlview_attr_list_destroy;
g_signal_new("row-value-changed",
G_TYPE_FROM_CLASS(klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (SPXMLViewAttrListClass, row_changed),
nullptr, nullptr,
g_cclosure_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
}
void
sp_xmlview_attr_list_init (SPXMLViewAttrList * list)
{
list->store = nullptr;
list->repr = nullptr;
}
void sp_xmlview_attr_list_destroy(GtkWidget * object)
{
SPXMLViewAttrList * list;
list = SP_XMLVIEW_ATTR_LIST (object);
g_object_unref(list->store);
sp_xmlview_attr_list_set_repr (list, nullptr);
GTK_WIDGET_CLASS(sp_xmlview_attr_list_parent_class)->destroy (object);
}
void sp_xmlview_attr_list_select_row_by_key(SPXMLViewAttrList * list, const gchar *name)
{
GtkTreeIter iter;
gboolean match = false;
gboolean valid = gtk_tree_model_get_iter_first( GTK_TREE_MODEL(list->store), &iter );
while ( valid ) {
gchar *n = nullptr;
gtk_tree_model_get (GTK_TREE_MODEL(list->store), &iter, ATTR_COL_NAME, &n, -1);
if (!strcmp(n, name)) {
match = true;
break;
}
valid = gtk_tree_model_iter_next (GTK_TREE_MODEL(list->store), &iter);
// cppcheck-suppress nullPointer // a string was copied in n by gtk_tree_model_get
if (n) {
g_free(n);
}
}
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;
gboolean valid = gtk_tree_model_get_iter_first( GTK_TREE_MODEL(list->store), &iter );
gboolean match = false;
while ( valid ) {
gchar *n = nullptr;
gtk_tree_model_get (GTK_TREE_MODEL(list->store), &iter, ATTR_COL_NAME, &n, -1);
if (!strcmp(n, name)) {
match = true;
break;
}
row++;
valid = gtk_tree_model_iter_next (GTK_TREE_MODEL(list->store), &iter);
// cppcheck-suppress nullPointer // a string was copied in n by gtk_tree_model_get
if (n) {
g_free(n);
}
}
if (match) {
if (new_value) {
gtk_list_store_set (list->store, &iter, ATTR_COL_NAME, name, ATTR_COL_VALUE, new_value, ATTR_COL_ATTR, g_quark_from_string (name), -1);
} else {
gtk_list_store_remove (list->store, &iter);
}
} else if (new_value != nullptr) {
gtk_list_store_append (list->store, &iter);
gtk_list_store_set (list->store, &iter, ATTR_COL_NAME, name, ATTR_COL_VALUE, new_value, ATTR_COL_ATTR, 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", name );
}
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