lib/x11.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Copyright 2014 Alexis Laferrière <alexis.laf@xymus.net>
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #     http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 # Serices from the X11 library
  18 module x11 is pkgconfig
  19
  20 `{
  21         #include <X11/Xlib.h>
  22 `}
  23
  24 # Open the current display from the environment variables
  25 #
  26 # See <http://www.x.org/releases/X11R7.7/doc/man/man3/XOpenDisplay.3.xhtml>
  27 fun x_open_default_display: Pointer `{
  28         return (void*)(long)XOpenDisplay(NULL);
  29 `}
  30
  31 # Open a specific display
  32 #
  33 # `name` is in the format: "hostname:number.screen_number"
  34 #
  35 # See <http://www.x.org/releases/X11R7.7/doc/man/man3/XOpenDisplay.3.xhtml>
  36 fun x_open_display(name: String): Pointer import String.to_cstring `{
  37         return (void*)XOpenDisplay(String_to_cstring(name));
  38 `}