Class: Accessibility::Highlighter

Inherits:
Object
  • Object
show all
Defined in:
ext/accessibility/highlighter/highlighter.c

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.new(*args) ⇒ Object 



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# File 'ext/accessibility/highlighter/highlighter.c', line 59

static
VALUE
rb_highlighter_new(int argc, VALUE* argv, VALUE self)
{
  if (!argc)
    rb_raise(rb_eArgError, "wrong number of arguments (0 for 1+)");

  const CGRect bounds = flip(unwrap_rect(coerce_to_rect(argv[0])));
  NSWindow* const window =
      [[NSWindow alloc] initWithContentRect:NSRectFromCGRect(bounds)
                                  styleMask:NSBorderlessWindowMask
		                    backing:NSBackingStoreBuffered
                                      defer:true];

  NSColor* color = [NSColor magentaColor];

  if (argc > 1) {
    VALUE rb_color = rb_hash_lookup(argv[1], color_key);
    if (rb_color == Qnil)
      rb_color = rb_hash_lookup(argv[1], colour_key);
    if (rb_color != Qnil)
      color = unwrap_color(rb_color);
  }

  [window setOpaque:false];
  [window setAlphaValue:0.20];
  [window setLevel:NSStatusWindowLevel];
  [window setBackgroundColor:color];
  [window setIgnoresMouseEvents:true];
  [window setFrame:NSRectFromCGRect(bounds) display:false];
  [window makeKeyAndOrderFront:NSApp];
  [window setReleasedWhenClosed:false];

  if (argc > 1) {
    VALUE rb_timeout = rb_hash_lookup(argv[1], timeout_key);
    if (rb_timeout != Qnil) {
      dispatch_time_t timeout = dispatch_time(
					      DISPATCH_TIME_NOW,
					      NUM2LL(rb_timeout) * NSEC_PER_SEC
					      );
      dispatch_after(
		     timeout,
		     dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0),
		     ^(void) { [window close]; }
		     );
    }
  }

  VALUE highlighter = wrap_window(window);
  rb_ivar_set(highlighter, ivar_color, wrap_color(color));
  return highlighter;
}

Instance Method Details

#color ⇒ Object Also known as: colour 



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# File 'ext/accessibility/highlighter/highlighter.c', line 120

static
VALUE
rb_highlighter_color(VALUE self)
{
  return wrap_color([unwrap_window(self) backgroundColor]);
}

#frame ⇒ Object 



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# File 'ext/accessibility/highlighter/highlighter.c', line 127

static
VALUE
rb_highlighter_frame(VALUE self)
{
    return wrap_rect(NSRectToCGRect([unwrap_window(self) frame]));
}

#stop ⇒ Object 



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# File 'ext/accessibility/highlighter/highlighter.c', line 112

static
VALUE
rb_highlighter_stop(VALUE self)
{
  [unwrap_window(self) close];
  return self;
}

#visible? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/accessibility/highlighter/highlighter.c', line 134

static
VALUE
rb_highlighter_is_visible(VALUE self)
{
  return ([unwrap_window(self) isVisible] ? Qtrue : Qfalse);
}