Implement nohlsearch shortcut

Signed-off-by: Sebastian Ramacher <sebastian+dev@ramacher.at>

zathura/commands.c

@@ -288,12 +288,7 @@ cmd_print(girara_session_t* session, girara_list_t* UNUSED(argument_list))
 bool
 cmd_nohlsearch(girara_session_t* session, girara_list_t* UNUSED(argument_list))
 {
-  g_return_val_if_fail(session != NULL, false);
-  g_return_val_if_fail(session->global.data != NULL, false);
-  zathura_t* zathura = session->global.data;
-
-  document_draw_search_results(zathura, false);
-  render_all(zathura);
+  sc_nohlsearch(session, NULL, NULL, 0);
 
   return true;
 }

zathura/shortcuts.c

@@ -1458,3 +1458,16 @@ sc_exec(girara_session_t* session, girara_argument_t* argument, girara_event_t*
 
   return girara_sc_exec(session, argument, event, t);
 }
+
+bool
+sc_nohlsearch(girara_session_t* session, girara_argument_t* UNUSED(argument), girara_event_t* UNUSED(event), unsigned int UNUSED(t))
+{
+  g_return_val_if_fail(session != NULL, false);
+  g_return_val_if_fail(session->global.data != NULL, false);
+  zathura_t* zathura = session->global.data;
+
+  document_draw_search_results(zathura, false);
+  render_all(zathura);
+
+  return false;
+}

zathura/shortcuts.h

@@ -292,4 +292,16 @@ bool sc_zoom(girara_session_t* session, girara_argument_t* argument, girara_even
  */
 bool sc_exec(girara_session_t* session, girara_argument_t* argument, girara_event_t* event, unsigned int t);
 
+/**
+ * Remove search highlights.
+ *
+ * @param session The used girara session
+ * @param argument The used argument
+ * @param event Girara event
+ * @param t Number of executions
+ * @return true if no error occurred otherwise false
+ */
+bool sc_nohlsearch(girara_session_t* session, girara_argument_t* argument, girara_event_t* event, unsigned int t);
+
+
 #endif // SHORTCUTS_H