Method: ActiveWindowX::Xlib.x_open_display

Defined in:
ext/active_window_x/xlib.c

.x_open_display(name_obj) ⇒ Object

XOpenDisplay



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
 
# File 'ext/active_window_x/xlib.c', line 49

VALUE xlib_x_open_display(VALUE self, VALUE name_obj) {
  const char* name;
  Display* d;
  if (TYPE(name_obj) == T_NIL){
    name = NULL;
  }else{
    name = (const char*) StringValuePtr(name_obj);
  }
  d = XOpenDisplay(name);

  if (d == NULL) {
    rb_raise(unknown_display_name_class, "invalid name: %s", name);
    return Qnil;
  }
  return Data_Wrap_Struct(display_class, 0, 0, d);
}