Class: Wmadd::X::Display

Inherits:
Object
  • Object
show all
Defined in:
lib/wmadd/x.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(display = nil) ⇒ Display

Returns a new instance of Display.

Parameters:

  • display (String) (defaults to: nil) 


364
365
366
367
 
# File 'lib/wmadd/x.rb', line 364

def initialize(display=nil)
  display ||= ENV['DISPLAY']
  @display = X11::XOpenDisplay(display) or raise "Cannot open display: #{display}"
end

Instance Attribute Details

#display ⇒ Object (readonly)

Returns the value of attribute display.



361
362
363
 
# File 'lib/wmadd/x.rb', line 361

def display
  @display
end

Instance Method Details

#default_root_window ⇒ Object 



381
382
383
 
# File 'lib/wmadd/x.rb', line 381

def default_root_window
  Window.new(self, X11::XDefaultRootWindow(@display))
end

#default_screen ⇒ Object 



369
370
371
 
# File 'lib/wmadd/x.rb', line 369

def default_screen
  X11::DefaultScreen(@display)
end

#flush ⇒ Object 



385
386
387
 
# File 'lib/wmadd/x.rb', line 385

def flush
  X11::XFlush(@display)
end

#height(screen) ⇒ Object 



377
378
379
 
# File 'lib/wmadd/x.rb', line 377

def height(screen)
  X11::DisplayHeight(@display, screen)
end

#intern_atom(sym, f = 0) ⇒ Object 



425
426
427
 
# File 'lib/wmadd/x.rb', line 425

def intern_atom(sym, f=0)
  X11::XInternAtom(@display, sym.to_s, f)
end

#load_font(font) ⇒ Object 



389
390
391
 
# File 'lib/wmadd/x.rb', line 389

def load_font(font)
  X11::XLoadFont(@display, font)
end

#next_event ⇒ Object 



393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
 
# File 'lib/wmadd/x.rb', line 393

def next_event
  ev_buf = ' ' * 8 * 24
  ev_ptr = Fiddle::Pointer[ev_buf]
  while true
    X11::XNextEvent(@display, ev_ptr)
    ev_type = ev_buf.unpack1('i')
    case ev_type
    when CREATE_NOTIFY
      return CreateWindowEvent.new(**X11::XCreateWindowEvent.new(ev_ptr).to_h)
    when CONFIGURE_NOTIFY
      return ConfigureEvent.new(**X11::XConfigureEvent.new(ev_ptr).to_h)
    when EXPOSE
      return ExposeEvent.new(**X11::XExposeEvent.new(ev_ptr).to_h)
    when PROPERTY_NOTIFY
      return PropertyEvent.new(**X11::XPropertyEvent.new(ev_ptr).to_h)
    end
  end
end

#width(screen) ⇒ Object 



373
374
375
 
# File 'lib/wmadd/x.rb', line 373

def width(screen)
  X11::DisplayWidth(@display, screen)
end

#wm_window_types ⇒ Object 



412
413
414
415
416
417
418
419
420
421
422
423
 
# File 'lib/wmadd/x.rb', line 412

def wm_window_types
  @wm_window_types ||= {
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_DESKTOP', 0) => :desktop,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_DOCK',    0) => :dock,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_TOOLBAR', 0) => :toolbar,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_MENU',    0) => :menu,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_UTILITY', 0) => :utility,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_SPLASH',  0) => :splash,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_DIALOG',  0) => :dialog,
    X11::XInternAtom(@display, '_NET_WM_WINDOW_TYPE_NORMAL',  0) => :normal,
  }
end