-/* false if cancel, true if OK */
-/* some would claim this wasn't written to be human-readable. */
-static gboolean layer_properties_factory ( VikLayer *vl, gpointer vp )
-{
- VikLayerParam *params = vik_layer_interfaces[vl->type]->params;
- guint16 params_count = vik_layer_interfaces[vl->type]->params_count;
- guint16 i, j, widget_count = 0;
- gboolean must_redraw = FALSE;
-
- if ( ! params )
- return TRUE; /* no params == no options, so all is good */
-
- for ( i = 0; i < params_count; i++ )
- if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
- widget_count++;
-
- if ( widget_count == 0)
- return FALSE;
- else
- {
- /* create widgets and titles; place in table */
- GtkWidget *dialog = gtk_dialog_new_with_buttons ( "Layer Properties",
- VIK_GTK_WINDOW_FROM_WIDGET(vp),
- GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT,
- GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT,
- GTK_STOCK_OK, GTK_RESPONSE_ACCEPT, NULL );
- gint resp;
-
- gchar **groups = vik_layer_interfaces[vl->type]->params_groups;
- guint8 groups_count = vik_layer_interfaces[vl->type]->params_groups_count;
-
- GtkWidget *table = NULL;
- GtkWidget **tables = NULL; /* for more than one group */
-
- GtkWidget *notebook = NULL;
- GtkWidget **widgets = g_malloc ( sizeof(GtkWidget *) * widget_count );
-
- if ( groups && groups_count )
- {
- guint8 current_group;
- guint16 tab_widget_count;
- notebook = gtk_notebook_new ();
- gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), notebook, FALSE, FALSE, 0);
- tables = g_malloc ( sizeof(GtkWidget *) * groups_count );
- for ( current_group = 0; current_group < groups_count; current_group++ )
- {
- tab_widget_count = 0;
- for ( j = 0; j < params_count; j ++ )
- if ( params[j].group == current_group )
- tab_widget_count++;
-
- if ( tab_widget_count )
- {
- tables[current_group] = gtk_table_new ( tab_widget_count, 1, FALSE );
- gtk_notebook_append_page ( GTK_NOTEBOOK(notebook), tables[current_group], gtk_label_new(groups[current_group]) );
- }
- }
- }
- else
- {
- table = gtk_table_new( widget_count, 1, FALSE );
- gtk_box_pack_start (GTK_BOX(GTK_DIALOG(dialog)->vbox), table, FALSE, FALSE, 0);
- }
-
- for ( i = 0, j = 0; i < params_count; i++ )
- {
- if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
- {
- if ( tables )
- table = tables[MAX(0, params[i].group)]; /* round up NOT_IN_GROUP, that's not reasonable here */
-
- widgets[j] = properties_widget_new_widget ( &(params[i]),
- vik_layer_interfaces[vl->type]->get_param ( vl, i ) );
-
- g_assert ( widgets[j] != NULL );
-
- gtk_table_attach ( GTK_TABLE(table), gtk_label_new(params[i].title), 0, 1, j, j+1, 0, 0, 0, 0 );
- gtk_table_attach ( GTK_TABLE(table), widgets[j], 1, 2, j, j+1, GTK_EXPAND | GTK_FILL, 0, 2, 2 );
- j++;
- }
- }
-
- gtk_widget_show_all ( dialog );
-
- resp = gtk_dialog_run (GTK_DIALOG (dialog));
- if ( resp == GTK_RESPONSE_ACCEPT )
- {
- for ( i = 0, j = 0; i < params_count; i++ )
- {
- if ( params[i].group != VIK_LAYER_NOT_IN_PROPERTIES )
- {
- if ( vik_layer_interfaces[vl->type]->set_param ( vl, i,
- properties_widget_get_value ( widgets[j], &(params[i]) ), vp ) )
- must_redraw = TRUE;
- j++;
- }
- }
- vik_layer_post_read ( vl, vp ); /* update any gc's */
-
- gtk_widget_destroy ( dialog ); /* hide before redrawing. */
- g_free ( widgets );
-
- if ( must_redraw )
- vik_layer_emit_update ( vl ); /* if this is a new layer, it won't redraw twice because no on'es listening to this signal. */
- return TRUE; /* user clicked OK */
- }
-
- if ( tables )
- g_free ( tables );
- gtk_widget_destroy ( dialog );
- g_free ( widgets );
- return FALSE;
- }
-}