Class: Uh::Display

Inherits:
Object
  • Object
show all
Defined in:
lib/uh/display.rb,
ext/uh/uh.c

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#name ⇒ Object (readonly)

Class Method Details

.on_error ⇒ Object

Instance Method Details

#check! ⇒ Object 



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# File 'lib/uh/display.rb', line 7

def check!
  fail DisplayError, 'display not opened' unless opened?
end

#close ⇒ Object

#color_by_name(color_name) ⇒ Object 



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# File 'lib/uh/display.rb', line 11

def color_by_name color_name
  Color.new self, color_name
end

#create_image(width, height, image) ⇒ Object 



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# File 'lib/uh/display.rb', line 15

def create_image width, height, image
  Image.new self, width, height, image
end

#create_pixmap(width, height) ⇒ Object 



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# File 'lib/uh/display.rb', line 19

def create_pixmap width, height
  Pixmap.new self, width, height
end

#create_subwindow(geo) ⇒ Object 



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# File 'lib/uh/display.rb', line 27

def create_subwindow geo
  root.create_sub geo
end

#create_window(geo) ⇒ Object 



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# File 'lib/uh/display.rb', line 23

def create_window geo
  root.create geo
end

#each_event ⇒ Object

#fileno ⇒ Object

#flush ⇒ Object

#font ⇒ Object 



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# File 'lib/uh/display.rb', line 31

def font
  @font ||= query_font
end

#grab_key ⇒ Object

#listen_events ⇒ Object

#next_event ⇒ Object

#open ⇒ Object

#opened? ⇒ Boolean

Returns:

  • (Boolean)

#pending ⇒ Object

#pending? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/uh/display.rb', line 35

def pending?
  pending > 0
end

#query_font ⇒ Object 



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# File 'lib/uh/display.rb', line 39

def query_font
  Font.new self
end

#root ⇒ Object

#screens ⇒ Object

#sync ⇒ Object

#to_s ⇒ Object 



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# File 'lib/uh/display.rb', line 3

def to_s
  ENV['DISPLAY']
end

#window(**opts) ⇒ Object 



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# File 'lib/uh/display.rb', line 43

def window **opts
  window = create_window Geo.new 0, 0, 320, 240
  listen_events window, opts[:events] if opts.key? :events
  window.cursor opts[:cursor] if opts.key? :cursor
  window.map
  begin
    yield window
  ensure
    window.unmap
    window.destroy
  end
end