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|
#
# tkcanvas.rb - Tk canvas classes
# $Date$
# by Yukihiro Matsumoto <matz@caelum.co.jp>
# $Date$
# by Hidetoshi Nagai <nagai@ai.kyutech.ac.jp>
require "tk"
require 'tkfont'
module TkTreatCItemFont
def tagfont_configinfo(tagOrId)
if tagOrId.kind_of?(TkcItem) || tagOrId.kind_of?(TkcTag)
pathname = self.path + ';' + tagOrId.id.to_s
else
pathname = self.path + ';' + tagOrId.to_s
end
ret = TkFont.used_on(pathname)
if ret == nil
ret = TkFont.init_widget_font(pathname,
self.path, 'itemconfigure', tagOrId)
end
ret
end
alias tagfontobj tagfont_configinfo
def tagfont_configure(tagOrId, slot)
if tagOrId.kind_of?(TkcItem) || tagOrId.kind_of?(TkcTag)
pathname = self.path + ';' + tagOrId.id.to_s
else
pathname = self.path + ';' + tagOrId.to_s
end
if (fnt = slot.delete('font'))
if fnt.kind_of? TkFont
return fnt.call_font_configure(pathname,
self.path,'itemconfigure',tagOrId,slot)
else
latintagfont_configure(tagOrId, fnt) if fnt
end
end
if (ltn = slot.delete('latinfont'))
latintagfont_configure(tagOrId, ltn) if ltn
end
if (ltn = slot.delete('asciifont'))
latintagfont_configure(tagOrId, ltn) if ltn
end
if (knj = slot.delete('kanjifont'))
kanjitagfont_configure(tagOrId, knj) if knj
end
tk_call(self.path, 'itemconfigure', tagOrId, *hash_kv(slot)) if slot != {}
self
end
def latintagfont_configure(tagOrId, ltn, keys=nil)
fobj = tagfontobj(tagOrId)
if ltn.kind_of? TkFont
conf = {}
ltn.latin_configinfo.each{|key,val| conf[key] = val if val != []}
if conf == {}
fobj.latin_replace(ltn)
fobj.latin_configure(keys) if keys
elsif keys
fobj.latin_configure(conf.update(keys))
else
fobj.latin_configure(conf)
end
else
fobj.latin_replace(ltn)
end
end
alias asciitagfont_configure latintagfont_configure
def kanjitagfont_configure(tagOrId, knj, keys=nil)
fobj = tagfontobj(tagOrId)
if knj.kind_of? TkFont
conf = {}
knj.kanji_configinfo.each{|key,val| conf[key] = val if val != []}
if conf == {}
fobj.kanji_replace(knj)
fobj.kanji_configure(keys) if keys
elsif keys
fobj.kanji_configure(conf.update(keys))
else
fobj.kanji_configure(conf)
end
else
fobj.kanji_replace(knj)
end
end
def tagfont_copy(tagOrId, window, wintag=nil)
if wintag
window.tagfontobj(wintag).configinfo.each{|key,value|
tagfontobj(tagOrId).configure(key,value)
}
tagfontobj(tagOrId).replace(window.tagfontobj(wintag).latin_font,
window.tagfontobj(wintag).kanji_font)
else
window.tagfont(tagOrId).configinfo.each{|key,value|
tagfontobj(tagOrId).configure(key,value)
}
tagfontobj(tagOrId).replace(window.fontobj.latin_font,
window.fontobj.kanji_font)
end
end
def latintagfont_copy(tagOrId, window, wintag=nil)
if wintag
tagfontobj(tagOrId).latin_replace(window.tagfontobj(wintag).latin_font)
else
tagfontobj(tagOrId).latin_replace(window.fontobj.latin_font)
end
end
alias asciitagfont_copy latintagfont_copy
def kanjitagfont_copy(tagOrId, window, wintag=nil)
if wintag
tagfontobj(tagOrId).kanji_replace(window.tagfontobj(wintag).kanji_font)
else
tagfontobj(tagOrId).kanji_replace(window.fontobj.kanji_font)
end
end
end
class TkCanvas<TkWindow
include TkTreatCItemFont
include Scrollable
WidgetClassName = 'Canvas'.freeze
WidgetClassNames[WidgetClassName] = self
def self.to_eval
WidgetClassName
end
def create_self
tk_call 'canvas', path
end
def tagid(tag)
if tag.kind_of?(TkcItem) || tag.kind_of?(TkcTag)
tag.id
else
tag
end
end
private :tagid
def addtag(tag, mode, *args)
tk_send 'addtag', tagid(tag), mode, *args
end
def addtag_above(tagOrId, target)
addtag(tagOrId, 'above', tagid(target))
end
def addtag_all(tagOrId)
addtag(tagOrId, 'all')
end
def addtag_below(tagOrId, target)
addtag(tagOrId, 'below', tagid(target))
end
def addtag_closest(tagOrId, x, y, halo=None, start=None)
addtag(tagOrId, 'closest', x, y, halo, start)
end
def addtag_enclosed(tagOrId, x1, y1, x2, y2)
addtag(tagOrId, 'enclosed', x1, y1, x2, y2)
end
def addtag_overlapping(tagOrId, x1, y1, x2, y2)
addtag(tagOrId, 'overlapping', x1, y1, x2, y2)
end
def addtag_withtag(tagOrId, tag)
addtag(tagOrId, 'withtag', tagid(tag))
end
def bbox(tagOrId, *tags)
list(tk_send('bbox', tagid(tagOrId), *tags))
end
def itembind(tag, context, cmd=Proc.new, args=nil)
_bind([path, "bind", tagid(tag)], context, cmd, args)
end
def itembind_append(tag, context, cmd=Proc.new, args=nil)
_bind_append([path, "bind", tagid(tag)], context, cmd, args)
end
def itembindinfo(tag, context=nil)
_bindinfo([path, "bind", tagid(tag)], context)
end
def canvasx(x, *args)
tk_tcl2ruby(tk_send 'canvasx', x, *args)
end
def canvasy(y, *args)
tk_tcl2ruby(tk_send 'canvasy', y, *args)
end
def coords(tag, *args)
if args == []
tk_split_list(tk_send('coords', tagid(tag)))
else
tk_send('coords', tagid(tag), *args)
end
end
def dchars(tag, first, last=None)
tk_send 'dchars', tagid(tag), first, last
end
def delete(*args)
tk_send 'delete', *args
end
alias remove delete
def dtag(tag, tag_to_del=None)
tk_send 'dtag', tagid(tag), tag_to_del
end
def find(mode, *args)
list(tk_send 'find', mode, *args).collect!{|id|
TkcItem.id2obj(self, id)
}
end
def find_above(target)
find('above', tagid(target))
end
def find_all
find('all')
end
def find_below(target)
find('below', tagid(target))
end
def find_closest(x, y, halo=None, start=None)
find('closest', x, y, halo, start)
end
def find_enclosed(x1, y1, x2, y2)
find('enclosed', x1, y1, x2, y2)
end
def find_overlapping(x1, y1, x2, y2)
find('overlapping', x1, y1, x2, y2)
end
def find_withtag(tag)
find('withtag', tag)
end
def itemfocus(tagOrId=nil)
if tagOrId
tk_send 'focus', tagid(tagOrId)
else
ret = tk_send('focus')
if ret == ""
nil
else
TkcItem.id2obj(self, ret)
end
end
end
def gettags(tagOrId)
list(tk_send('gettags', tagid(tagOrId))).collect{|tag|
TkcTag.id2obj(self, tag)
}
end
def icursor(tagOrId, index)
tk_send 'icursor', tagid(tagOrId), index
end
def index(tagOrId, index)
tk_send 'index', tagid(tagOrId), index
end
def insert(tagOrId, index, string)
tk_send 'insert', tagid(tagOrId), index, string
end
def itemcget(tagOrId, option)
case option
when 'dash', 'activedash', 'disableddash'
conf = tk_send('itemcget', tagid(tagOrId), "-#{option}")
if conf =~ /^[0-9]/
list(conf)
else
conf
end
when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
tk_send 'itemcget', tagid(tagOrId), "-#{option}"
else
tk_tcl2ruby tk_send 'itemcget', tagid(tagOrId), "-#{option}"
end
end
def itemconfigure(tagOrId, key, value=None)
if key.kind_of? Hash
if ( key['font'] || key['kanjifont'] \
|| key['latinfont'] || key['asciifont'] )
tagfont_configure(tagOrId, key.dup)
else
tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
end
else
if ( key == 'font' || key == 'kanjifont' \
|| key == 'latinfont' || key == 'asciifont' )
tagfont_configure(tagid(tagOrId), {key=>value})
else
tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
end
end
end
# def itemconfigure(tagOrId, key, value=None)
# if key.kind_of? Hash
# tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
# else
# tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
# end
# end
# def itemconfigure(tagOrId, keys)
# tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(keys)
# end
def itemconfiginfo(tagOrId, key=nil)
if key
case key
when 'dash', 'activedash', 'disableddash'
conf = tk_split_simplelist(tk_send 'itemconfigure',
tagid(tagOrId), "-#{key}")
if conf[3] && conf[3] =~ /^[0-9]/
conf[3] = list(conf[3])
end
if conf[4] && conf[4] =~ /^[0-9]/
conf[4] = list(conf[4])
end
when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
conf = tk_split_simplelist(tk_send 'itemconfigure',
tagid(tagOrId), "-#{key}")
else
conf = tk_split_list(tk_send 'itemconfigure',
tagid(tagOrId), "-#{key}")
end
conf[0] = conf[0][1..-1]
conf
else
tk_split_simplelist(tk_send 'itemconfigure',
tagid(tagOrId)).collect{|conflist|
conf = tk_split_simplelist(conflist)
conf[0] = conf[0][1..-1]
case conf[0]
when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
when 'dash', 'activedash', 'disableddash'
if conf[3] && conf[3] =~ /^[0-9]/
conf[3] = list(conf[3])
end
if conf[4] && conf[4] =~ /^[0-9]/
conf[4] = list(conf[4])
end
else
if conf[3]
if conf[3].index('{')
conf[3] = tk_split_list(conf[3])
else
conf[3] = tk_tcl2ruby(conf[3])
end
end
if conf[4]
if conf[4].index('{')
conf[4] = tk_split_list(conf[4])
else
conf[4] = tk_tcl2ruby(conf[4])
end
end
end
conf
}
end
end
def lower(tag, below=None)
tk_send 'lower', tagid(tag), below
end
def move(tag, x, y)
tk_send 'move', tagid(tag), x, y
end
def postscript(keys)
tk_send "postscript", *hash_kv(keys)
end
def raise(tag, above=None)
tk_send 'raise', tagid(tag), above
end
def scale(tag, x, y, xs, ys)
tk_send 'scale', tagid(tag), x, y, xs, ys
end
def scan_mark(x, y)
tk_send 'scan', 'mark', x, y
end
def scan_dragto(x, y)
tk_send 'scan', 'dragto', x, y
end
def select(mode, *args)
tk_send 'select', mode, *args
end
def select_adjust(tagOrId, index)
select('adjust', tagid(tagOrId), index)
end
def select_clear
select('clear')
end
def select_from(tagOrId, index)
select('from', tagid(tagOrId), index)
end
def select_item
select('item')
end
def select_to(tagOrId, index)
select('to', tagid(tagOrId), index)
end
def itemtype(tag)
TkcItem.type2class(tk_send 'type', tagid(tag))
end
end
module TkcTagAccess
include TkComm
include TkTreatTagFont
def addtag(tag)
@c.addtag(tag, 'with', @id)
end
def bbox
@c.bbox(@id)
end
def bind(seq, cmd=Proc.new, args=nil)
@c.itembind @id, seq, cmd, args
end
def bindinfo(seq=nil)
@c.itembindinfo @id, seq
end
def cget(option)
@c.itemcget @id, option
end
def configure(key, value=None)
@c.itemconfigure @id, key, value
end
# def configure(keys)
# @c.itemconfigure @id, keys
# end
def configinfo(key=nil)
@c.itemconfiginfo @id, key
end
def coords(*args)
@c.coords @id, *args
end
def dchars(first, last=None)
@c.dchars @id, first, last
end
def dtag(tag_to_del=None)
@c.dtag @id, tag_to_del
end
def find
@c.find 'withtag', @id
end
alias list find
def focus
@c.itemfocus @id
end
def gettags
@c.gettags @id
end
def icursor(index)
@c.icursor @id, index
end
def index(index)
@c.index @id, index
end
def insert(beforethis, string)
@c.insert @id, beforethis, string
end
def lower(belowthis=None)
@c.lower @id, belowthis
end
def move(xamount, yamount)
@c.move @id, xamount, yamount
end
def raise(abovethis=None)
@c.raise @id, abovethis
end
def scale(xorigin, yorigin, xscale, yscale)
@c.scale @id, xorigin, yorigin, xscale, yscale
end
def select_adjust(index)
@c.select('adjust', @id, index)
end
def select_from(index)
@c.select('from', @id, index)
end
def select_to(index)
@c.select('to', @id, index)
end
def itemtype
@c.itemtype @id
end
# Followings operators supports logical expressions of canvas tags
# (for Tk8.3+).
# If tag1.path is 't1' and tag2.path is 't2', then
# ltag = tag1 & tag2; ltag.path => "(t1)&&(t2)"
# ltag = tag1 | tag2; ltag.path => "(t1)||(t2)"
# ltag = tag1 ^ tag2; ltag.path => "(t1)^(t2)"
# ltag = - tag1; ltag.path => "!(t1)"
def & (tag)
if tag.kind_of? TkObject
TkcTagString.new(@c, '(' + @id + ')&&(' + tag.path + ')')
else
TkcTagString.new(@c, '(' + @id + ')&&(' + tag.to_s + ')')
end
end
def | (tag)
if tag.kind_of? TkObject
TkcTagString.new(@c, '(' + @id + ')||(' + tag.path + ')')
else
TkcTagString.new(@c, '(' + @id + ')||(' + tag.to_s + ')')
end
end
def ^ (tag)
if tag.kind_of? TkObject
TkcTagString.new(@c, '(' + @id + ')^(' + tag.path + ')')
else
TkcTagString.new(@c, '(' + @id + ')^(' + tag.to_s + ')')
end
end
def -@
TkcTagString.new(@c, '!(' + @id + ')')
end
end
class TkcTag<TkObject
include TkcTagAccess
CTagID_TBL = {}
def TkcTag.id2obj(canvas, id)
cpath = canvas.path
return id unless CTagID_TBL[cpath]
CTagID_TBL[cpath][id]? CTagID_TBL[cpath][id]: id
end
Tk_CanvasTag_ID = ['ctag0000']
def initialize(parent, mode=nil, *args)
if not parent.kind_of?(TkCanvas)
fail format("%s need to be TkCanvas", parent.inspect)
end
@c = parent
@cpath = parent.path
@path = @id = Tk_CanvasTag_ID[0]
CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
CTagID_TBL[@cpath][@id] = self
Tk_CanvasTag_ID[0] = Tk_CanvasTag_ID[0].succ
if mode
tk_call @c.path, "addtag", @id, mode, *args
end
end
def id
return @id
end
def delete
@c.delete @id
CTagID_TBL[@path][@id] = nil if CTagID_TBL[@path]
end
alias remove delete
alias destroy delete
def set_to_above(target)
@c.addtag_above(@id, target)
end
alias above set_to_above
def set_to_all
@c.addtag_all(@id)
end
alias all set_to_all
def set_to_below(target)
@c.addtag_below(@id, target)
end
alias below set_to_below
def set_to_closest(x, y, halo=None, start=None)
@c.addtag_closest(@id, x, y, halo, start)
end
alias closest set_to_closest
def set_to_enclosed(x1, y1, x2, y2)
@c.addtag_enclosed(@id, x1, y1, x2, y2)
end
alias enclosed set_to_enclosed
def set_to_overlapping(x1, y1, x2, y2)
@c.addtag_overlapping(@id, x1, y1, x2, y2)
end
alias overlapping set_to_overlapping
def set_to_withtag(target)
@c.addtag_withtag(@id, target)
end
alias withtag set_to_withtag
end
class TkcTagString<TkcTag
def self.new(parent, name, *args)
if CTagID_TBL[parent.path] && CTagID_TBL[parent.path][name]
return CTagID_TBL[parent.path][name]
else
super(parent, name, *args)
end
end
def initialize(parent, name, mode=nil, *args)
if not parent.kind_of?(TkCanvas)
fail format("%s need to be TkCanvas", parent.inspect)
end
@c = parent
@cpath = parent.path
@path = @id = name
CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
CTagID_TBL[@cpath][@id] = self
if mode
tk_call @c.path, "addtag", @id, mode, *args
end
end
end
class TkcTagAll<TkcTag
def initialize(parent)
if not parent.kind_of?(TkCanvas)
fail format("%s need to be TkCanvas", parent.inspect)
end
@c = parent
@cpath = parent.path
@path = @id = 'all'
CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
CTagID_TBL[@cpath][@id] = self
end
end
class TkcTagCurrent<TkcTag
def initialize(parent)
if not parent.kind_of?(TkCanvas)
fail format("%s need to be TkCanvas", parent.inspect)
end
@c = parent
@cpath = parent.path
@path = @id = 'current'
CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
CTagID_TBL[@cpath][@id] = self
end
end
class TkcGroup<TkcTag
Tk_cGroup_ID = ['tkcg00000']
def create_self(parent, *args)
if not parent.kind_of?(TkCanvas)
fail format("%s need to be TkCanvas", parent.inspect)
end
@c = parent
@cpath = parent.path
@path = @id = Tk_cGroup_ID[0]
CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
CTagID_TBL[@cpath][@id] = self
Tk_cGroup_ID[0] = Tk_cGroup_ID[0].succ
add(*args) if args != []
end
def include(*tags)
for i in tags
i.addtag @id
end
end
def exclude(*tags)
for i in tags
i.delete @id
end
end
end
class TkcItem<TkObject
include TkcTagAccess
CItemTypeToClass = {}
CItemID_TBL = {}
def TkcItem.type2class(type)
CItemTypeToClass[type]
end
def TkcItem.id2obj(canvas, id)
cpath = canvas.path
return id unless CItemID_TBL[cpath]
CItemID_TBL[cpath][id]? CItemID_TBL[cpath][id]: id
end
def initialize(parent, *args)
if not parent.kind_of?(TkCanvas)
fail format("%s need to be TkCanvas", parent.inspect)
end
@parent = @c = parent
@path = parent.path
if args[-1].kind_of? Hash
keys = args.pop
end
@id = create_self(*args).to_i ;# 'canvas item id' is integer number
CItemID_TBL[@path] = {} unless CItemID_TBL[@path]
CItemID_TBL[@path][@id] = self
if keys
# tk_call @path, 'itemconfigure', @id, *hash_kv(keys)
configure(keys) if keys
end
end
def create_self(*args); end
private :create_self
def id
return @id
end
def delete
@c.delete @id
CItemID_TBL[@path][@id] = nil if CItemID_TBL[@path]
end
alias remove delete
alias destroy delete
end
class TkcArc<TkcItem
CItemTypeToClass['arc'] = self
def create_self(*args)
tk_call(@path, 'create', 'arc', *args)
end
end
class TkcBitmap<TkcItem
CItemTypeToClass['bitmap'] = self
def create_self(*args)
tk_call(@path, 'create', 'bitmap', *args)
end
end
class TkcImage<TkcItem
CItemTypeToClass['image'] = self
def create_self(*args)
tk_call(@path, 'create', 'image', *args)
end
end
class TkcLine<TkcItem
CItemTypeToClass['line'] = self
def create_self(*args)
tk_call(@path, 'create', 'line', *args)
end
end
class TkcOval<TkcItem
CItemTypeToClass['oval'] = self
def create_self(*args)
tk_call(@path, 'create', 'oval', *args)
end
end
class TkcPolygon<TkcItem
CItemTypeToClass['polygon'] = self
def create_self(*args)
tk_call(@path, 'create', 'polygon', *args)
end
end
class TkcRectangle<TkcItem
CItemTypeToClass['rectangle'] = self
def create_self(*args)
tk_call(@path, 'create', 'rectangle', *args)
end
end
class TkcText<TkcItem
CItemTypeToClass['text'] = self
def create_self(*args)
tk_call(@path, 'create', 'text', *args)
end
end
class TkcWindow<TkcItem
CItemTypeToClass['window'] = self
def create_self(*args)
tk_call(@path, 'create', 'window', *args)
end
end
class TkImage<TkObject
include Tk
Tk_IMGTBL = {}
Tk_Image_ID = ['i00000']
def initialize(keys=nil)
@path = Tk_Image_ID[0]
Tk_Image_ID[0] = Tk_Image_ID[0].succ
tk_call 'image', 'create', @type, @path, *hash_kv(keys)
Tk_IMGTBL[@path] = self
end
def delete
Tk_IMGTBL[@id] = nil if @id
tk_call('image', 'delete', @path)
end
def height
number(tk_call('image', 'height', @path))
end
def inuse
bool(tk_call('image', 'inuse', @path))
end
def itemtype
tk_call('image', 'type', @path)
end
def width
number(tk_call('image', 'width', @path))
end
def TkImage.names
Tk.tk_call('image', 'names').split.collect!{|id|
(Tk_IMGTBL[id])? Tk_IMGTBL[id] : id
}
end
def TkImage.types
Tk.tk_call('image', 'types').split
end
end
class TkBitmapImage<TkImage
def initialize(*args)
@type = 'bitmap'
super
end
end
class TkPhotoImage<TkImage
def initialize(*args)
@type = 'photo'
super
end
def blank
tk_send 'blank'
end
def cget(option)
case option
when 'data', 'flie'
tk_send 'cget', option
else
tk_tcl2ruby tk_send 'cget', option
end
end
def copy(source, *opts)
args = opts.collect{|term|
if term.kind_of?(String) && term.include?(?\s)
term.split
else
term
end
}.flatten
tk_send 'copy', source, *args
end
def data(keys=nil)
tk_send 'data', *hash_kv(keys)
end
def get(x, y)
tk_send 'get', x, y
end
def put(data, *to)
if to == []
tk_send 'put', data
else
tk_send 'put', data, '-to', *to
end
end
def read(file, *opts)
args = opts.collect{|term|
if term.kind_of?(String) && term.include?(?\s)
term.split
else
term
end
}.flatten
tk_send 'read', file, *args
end
def redither
tk_send 'redither'
end
def write(file, *opts)
args = opts.collect{|term|
if term.kind_of?(String) && term.include?(?\s)
term.split
else
term
end
}.flatten
tk_send 'write', file, *args
end
end
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