diff options
Diffstat (limited to 'src/widgets/sp-xmlview-attr-list.cpp')
| -rw-r--r-- | src/widgets/sp-xmlview-attr-list.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/src/widgets/sp-xmlview-attr-list.cpp b/src/widgets/sp-xmlview-attr-list.cpp new file mode 100644 index 000000000..c8dee1a42 --- /dev/null +++ b/src/widgets/sp-xmlview-attr-list.cpp @@ -0,0 +1,181 @@ +#define __SP_XMLVIEW_ATTR_LIST_C__ + +/* + * Specialization of GtkCList 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 "helper/sp-marshal.h" +#include <glibmm/i18n.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 GtkCListClass * parent_class = NULL; + +static Inkscape::XML::NodeEventVector repr_events = { + NULL, /* child_added */ + NULL, /* child_removed */ + event_attr_changed, + NULL, /* content_changed */ + NULL /* order_changed */ +}; + +GtkWidget * +sp_xmlview_attr_list_new (Inkscape::XML::Node * repr) +{ + SPXMLViewAttrList * list; + + list = (SPXMLViewAttrList*)g_object_new (SP_TYPE_XMLVIEW_ATTR_LIST, "n_columns", 2, NULL); + + gtk_clist_set_column_title (GTK_CLIST (list), 0, _("Attribute")); + gtk_clist_set_column_title (GTK_CLIST (list), 1, _("Value")); + gtk_clist_column_titles_show (GTK_CLIST (list)); + + gtk_clist_column_titles_passive (GTK_CLIST (list)); + gtk_clist_set_column_auto_resize (GTK_CLIST (list), 0, TRUE); + gtk_clist_set_column_auto_resize (GTK_CLIST (list), 1, TRUE); + gtk_clist_set_sort_column (GTK_CLIST (list), 0); + gtk_clist_set_auto_sort (GTK_CLIST (list), TRUE); + + sp_xmlview_attr_list_set_repr (list, repr); + + return (GtkWidget *) list; +} + +void +sp_xmlview_attr_list_set_repr (SPXMLViewAttrList * list, Inkscape::XML::Node * repr) +{ + if ( repr == list->repr ) return; + gtk_clist_freeze (GTK_CLIST (list)); + if (list->repr) { + gtk_clist_clear (GTK_CLIST (list)); + 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); + } + gtk_clist_thaw (GTK_CLIST (list)); +} + +GtkType +sp_xmlview_attr_list_get_type (void) +{ + static GtkType type = 0; + + if (!type) { + static const GtkTypeInfo info = { + "SPXMLViewAttrList", + sizeof (SPXMLViewAttrList), + sizeof (SPXMLViewAttrListClass), + (GtkClassInitFunc) sp_xmlview_attr_list_class_init, + (GtkObjectInitFunc) sp_xmlview_attr_list_init, + NULL, NULL, NULL + }; + type = gtk_type_unique (GTK_TYPE_CLIST, &info); + } + + 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 = (GtkCListClass*)gtk_type_class (GTK_TYPE_CLIST); + + g_signal_new ( "row-value-changed", + G_TYPE_FROM_CLASS(klass), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET (SPXMLViewAttrListClass, row_changed), + NULL, NULL, + sp_marshal_NONE__UINT, + G_TYPE_NONE, 1, + G_TYPE_UINT); +} + +void +sp_xmlview_attr_list_init (SPXMLViewAttrList * list) +{ + 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 +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; + SPXMLViewAttrList * list; + gchar new_text[128 + 4]; + gchar *gtktext; + + list = SP_XMLVIEW_ATTR_LIST (data); + + gtk_clist_freeze (GTK_CLIST (list)); + + if (new_value) { + strncpy (new_text, new_value, 128); + if (strlen (new_value) >= 128) { + strcpy (new_text + 128, "..."); + } + gtktext = new_text; + } else { + gtktext = NULL; + } + + row = gtk_clist_find_row_from_data (GTK_CLIST (list), GINT_TO_POINTER (g_quark_from_string (name))); + if (row != -1) { + if (new_value) { + gtk_clist_set_text (GTK_CLIST (list), row, 1, gtktext); + } else { + gtk_clist_remove (GTK_CLIST (list), row); + } + } else if (new_value != NULL) { + const gchar * text[2]; + + text[0] = name; + text[1] = gtktext; + + row = gtk_clist_append (GTK_CLIST (list), (gchar **)text); + gtk_clist_set_row_data (GTK_CLIST (list), row, GINT_TO_POINTER (g_quark_from_string (name))); + } + + gtk_clist_thaw (GTK_CLIST (list)); + + // send a "changed" signal so widget owners will know I've updated + g_signal_emit_by_name(G_OBJECT (list), "row-value-changed", row ); +} + |