Sha256: b0ce9dcf9c58f5c099647ff1dcdf7dc523b6e41601ef74fb4df20c01efda9509
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Size: 1.21 KB
Versions: 30
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Contents
require 'gtk2'
require 'rabbit/rabbit'
module Rabbit
class CursorManager
@@blank_cursor = nil
attr_accessor :current
def initialize
@stocks = {}
@current = nil
@blank_cursor = blank_cursor
@pencil_cursor = Gdk::Cursor.new(Gdk::Cursor::PENCIL)
@hand_cursor = Gdk::Cursor.new(Gdk::Cursor::HAND1)
end
def keep(name)
@stocks[name] ||= []
@stocks[name].push(@current)
end
def restore(drawable, name)
if name.nil?
type = @current
else
type = @stocks[name].pop
end
drawable.cursor = type_to_cursor(type)
end
def update(drawable, type)
drawable.cursor = type_to_cursor(type)
end
private
def type_to_cursor(type)
if type.nil?
nil
else
name = "@#{type}_cursor"
unless instance_variable_defined?(name)
raise UnknownCursorTypeError.new(type)
end
instance_variable_get(name)
end
end
def blank_cursor
if @@blank_cursor.nil?
source = Gdk::Pixmap.new(nil, 1, 1, 1)
mask = Gdk::Pixmap.new(nil, 1, 1, 1)
gc = Gdk::GC.new(source)
fg = gc.foreground
bg = gc.background
@@blank_cursor = Gdk::Cursor.new(source, mask, fg, bg, 1, 1)
end
@@blank_cursor
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems