Add:core:added command to toggle active state of a named layer of the current layout

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@4055 ffa7fe5e-494d-0410-b361-a75ebd5db220

diff --git a/navit/navit/navit.c b/navit/navit/navit.c
index e308c50..d6e9aac 100644 (file)
--- a/navit/navit/navit.c
+++ b/navit/navit/navit.c
@@ -752,6 +752,36 @@ navit_cmd_set_int_var(struct navit *this, char *function, struct attr **in, stru
 }
 
 /**
+ * command to toggle the active state of a named layer of the current layout
+ *
+ * @param navit The navit instance
+ * @param function unused (needed to match command function signiture)
+ * @param in input attribute in[0] is the name of the layer
+ * @param out output unused
+ * @param valid unused 
+ * @returns nothing
+ */
+static void
+navit_cmd_toggle_layer(struct navit *this, char *function, struct attr **in, struct attr ***out, int *valid)
+{
+       if (in && in[0] && ATTR_IS_STRING(in[0]->type) && in[0]->u.str) {
+               if(this->layout_current && this->layout_current->layers) {
+                       GList* layers = this->layout_current->layers;
+                       while (layers) {
+                               struct layer*l=layers->data;
+                               if(l && !strcmp(l->name,in[0]->u.str) ) {
+                                       l->active ^= 1;
+                                       navit_draw(this);
+                                       return;
+                               }
+                               layers=g_list_next(layers);
+                       }
+               }
+        }
+}
+
+
+/**
  * Get value given a key string for the command system
  *
  * @param navit The navit instance
@@ -924,6 +954,7 @@ static struct command_table commands[] = {
        {"push_int",command_cast(navit_cmd_push_int)},
        {"pop_int",command_cast(navit_cmd_pop_int)},
        {"int_stack_size",command_cast(navit_cmd_int_stack_size)},
+       {"toggle_layer",command_cast(navit_cmd_toggle_layer)},
 };
        
 void