Class: TK::BaseDialog

Inherits:
Object
  • Object
show all
Defined in:
lib/wiki_lyrics/gui/gui-tk.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(values, close_on_escape = true) ⇒ BaseDialog

Returns a new instance of BaseDialog.



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 350

def initialize( values, close_on_escape=true )
	@root = TkRoot.new()
	@root.withdraw()

	@shell = TkToplevel.new( @root )
	@shell.protocol( "WM_DELETE_WINDOW", proc { destroy() } )
	@shell.bind( "Escape", proc { destroy() } ) if close_on_escape
	@shell.withdraw() # hide the window until everything is created

	@values = values
	@x, @y, @width, @height = nil, nil, nil, nil
end

Instance Attribute Details

#accepted ⇒ Object (readonly)

Returns the value of attribute accepted.



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 347

def accepted
  @accepted
end

#values ⇒ Object (readonly)

Returns the value of attribute values.



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 348

def values
  @values
end

Class Method Details

.get_screen_size ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 415

def BaseDialog.get_screen_size()
	maxsize = Tk.root.maxsize()
	return maxsize[0], maxsize[1]
end

Instance Method Details

#accept ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 386

def accept()
	@accepted = true
	destroy()
end

#destroy ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 382

def destroy()
	@root.destroy()
end

#exec ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 363

def exec()

	@accepted = false

	# center the dialog:
	if ! @x && ! @y
		set_size( @width, @height ) if @width
		width, height = get_size()
		s_width, s_height = BaseDialog.get_screen_size()
		@x, @y = (s_width - width) / 2, (s_height - height) / 2
	end
	set_position( @x, @y )

	@shell.deiconify() # the windows is hidden initially so we have to show it

	Tk.mainloop()
	Tk.restart()
end

#get_position ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 411

def get_position()
	return @x.to_i(), @y.to_i()
end

#get_size ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 401

def get_size()
	return @width.to_i(), @height.to_i() if @width
	width, height = nil, nil
	if @shell
		md = /([0-9]+)x([0-9]+)[-\+][0-9]+[-\+][0-9]+/.match( @shell.geometry() )
		width, height = md[1].to_i(), md[2].to_i()
	end
	return width, height
end

#set_position(x, y) ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 396

def set_position( x, y )
	@x, @y = x.to_i(), y.to_i()
	@shell.geometry( "#{@x > 0 ? "+" : "-"}#{@x}#{@y > 0 ? "+" : "-"}#{@y}" ) if @shell
end

#set_size(width, height) ⇒ Object 



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# File 'lib/wiki_lyrics/gui/gui-tk.rb', line 391

def set_size( width, height )
	@width, @height = width.to_i(), height.to_i()
	@shell.geometry( "#{@width}x#{@height}" ) if @shell
end