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#
# tkextlib/iwidgets/tabset.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tkextlib/iwidgets.rb'
module Tk
module Iwidgets
class Tabset < Tk::Itk::Widget
end
end
end
class Tk::Iwidgets::Tabset
TkCommandNames = ['::iwidgets::tabset'.freeze].freeze
WidgetClassName = 'Tabset'.freeze
WidgetClassNames[WidgetClassName] ||= self
####################################
include TkItemConfigMethod
def __item_cget_cmd(id)
[self.path, 'tabcget', id]
end
private :__item_cget_cmd
def __item_config_cmd(id)
[self.path, 'tabconfigure', id]
end
private :__item_config_cmd
def tagid(tagOrId)
if tagOrId.kind_of?(Tk::Itk::Component)
tagOrId.name
else
#_get_eval_string(tagOrId)
tagOrId
end
end
alias tabcget_tkstring itemcget_tkstring
alias tabcget itemcget
alias tabcget_strict itemcget_strict
alias tabconfigure itemconfigure
alias tabconfiginfo itemconfiginfo
alias current_tabconfiginfo current_itemconfiginfo
private :itemcget_tkstring, :itemcget, :itemcget_strict
private :itemconfigure, :itemconfiginfo, :current_itemconfiginfo
####################################
def __boolval_optkeys
super() << 'equaltabs' << 'raiseselect' << 'tabborders'
end
private :__boolval_optkeys
def __strval_optkeys
super() << 'backdrop'
end
private :__strval_optkeys
def add(keys={})
window(tk_call(@path, 'add', *hash_kv(keys)))
end
def delete(idx1, idx2=nil)
if idx2
tk_call(@path, 'delete', index(idx1), index(idx2))
else
tk_call(@path, 'delete', index(idx1))
end
self
end
def index(idx)
number(tk_call(@path, 'index', tagid(idx)))
end
def insert(idx, keys={})
window(tk_call(@path, 'insert', index(idx), *hash_kv(keys)))
end
def next
tk_call(@path, 'next')
self
end
def prev
tk_call(@path, 'prev')
self
end
def select(idx)
tk_call(@path, 'select', index(idx))
self
end
def show_tab(idx)
if index(idx) == 0
self.start = 0
return
end
reutrn unless @canvas ||= self.winfo_children[0]
delta = 1 if (delta = cget(:gap)) == 'overlap' ||
(delta = self.winfo_pixels(delta) + 1) <= 0
case cget(:tabpos)
when 's', 'n'
if (head = tabcget(idx, :left)) < 0
self.start -= head
return
end
tabs_size = @canvas.winfo_width
tab_start, tab_end = @canvas .
find_overlapping(head, 0, head + delta, @canvas.winfo_height) .
find_all{|id| @canvas.itemtype(id) == TkcPolygon} .
map!{|id| bbox = @canvas.bbox(id); [bbox[0], bbox[2]]} . max
when 'e', 'w'
if (head = tabcget(idx, :top)) < 0
self.start -= head
return
end
tabs_size = @canvas.winfo_height
tab_start, tab_end = @canvas .
find_overlapping(0, head, @canvas.winfo_width, head + delta) .
find_all{|id| @canvas.itemtype(id) == TkcPolygon} .
map!{|id| bbox = @canvas.bbox(id); [bbox[1], bbox[3]]} . max
end
if (size = tab_end - tab_start + 1) > tabs_size
self.start -= tab_start
elsif head + size > tabs_size
self.start -= head + size - tabs_size
end
self
end
end
|
