864 lines
18 KiB
Ruby
864 lines
18 KiB
Ruby
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# tkcanvas.rb - Tk canvas classes
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# $Date$
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# by Yukihiro Matsumoto <matz@caelum.co.jp>
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# $Date$
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# by Hidetoshi Nagai <nagai@ai.kyutech.ac.jp>
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require "tk"
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require 'tkfont'
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module TkTreatCItemFont
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include TkTreatItemFont
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ItemCMD = ['itemconfigure', TkComm::None]
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def __conf_cmd(idx)
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ItemCMD[idx]
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end
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def __item_pathname(tagOrId)
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if tagOrId.kind_of?(TkcItem) || tagOrId.kind_of?(TkcTag)
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self.path + ';' + tagOrId.id.to_s
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else
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self.path + ';' + tagOrId.to_s
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end
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end
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end
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class TkCanvas<TkWindow
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include TkTreatCItemFont
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include Scrollable
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WidgetClassName = 'Canvas'.freeze
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WidgetClassNames[WidgetClassName] = self
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def self.to_eval
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WidgetClassName
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end
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def create_self(keys)
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if keys and keys != None
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tk_call 'canvas', @path, *hash_kv(keys)
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else
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tk_call 'canvas', @path
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end
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end
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def tagid(tag)
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if tag.kind_of?(TkcItem) || tag.kind_of?(TkcTag)
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tag.id
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else
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tag
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end
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end
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private :tagid
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def addtag(tag, mode, *args)
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tk_send 'addtag', tagid(tag), mode, *args
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end
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def addtag_above(tagOrId, target)
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addtag(tagOrId, 'above', tagid(target))
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end
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def addtag_all(tagOrId)
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addtag(tagOrId, 'all')
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end
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def addtag_below(tagOrId, target)
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addtag(tagOrId, 'below', tagid(target))
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end
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def addtag_closest(tagOrId, x, y, halo=None, start=None)
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addtag(tagOrId, 'closest', x, y, halo, start)
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end
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def addtag_enclosed(tagOrId, x1, y1, x2, y2)
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addtag(tagOrId, 'enclosed', x1, y1, x2, y2)
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end
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def addtag_overlapping(tagOrId, x1, y1, x2, y2)
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addtag(tagOrId, 'overlapping', x1, y1, x2, y2)
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end
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def addtag_withtag(tagOrId, tag)
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addtag(tagOrId, 'withtag', tagid(tag))
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end
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def bbox(tagOrId, *tags)
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list(tk_send('bbox', tagid(tagOrId), *tags.collect{|t| tagid(t)}))
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end
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def itembind(tag, context, cmd=Proc.new, args=nil)
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_bind([path, "bind", tagid(tag)], context, cmd, args)
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end
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def itembind_append(tag, context, cmd=Proc.new, args=nil)
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_bind_append([path, "bind", tagid(tag)], context, cmd, args)
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end
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def itembindinfo(tag, context=nil)
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_bindinfo([path, "bind", tagid(tag)], context)
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end
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def canvasx(x, *args)
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tk_tcl2ruby(tk_send 'canvasx', x, *args)
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end
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def canvasy(y, *args)
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tk_tcl2ruby(tk_send 'canvasy', y, *args)
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end
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def coords(tag, *args)
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if args == []
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tk_split_list(tk_send('coords', tagid(tag)))
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else
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tk_send('coords', tagid(tag), *args)
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end
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end
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def dchars(tag, first, last=None)
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tk_send 'dchars', tagid(tag), first, last
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end
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def delete(*args)
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tk_send 'delete', *args.collect{|t| tagid(t)}
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end
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alias remove delete
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def dtag(tag, tag_to_del=None)
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tk_send 'dtag', tagid(tag), tag_to_del
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end
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def find(mode, *args)
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list(tk_send 'find', mode, *args).collect!{|id|
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TkcItem.id2obj(self, id)
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}
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end
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def find_above(target)
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find('above', tagid(target))
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end
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def find_all
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find('all')
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end
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def find_below(target)
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find('below', tagid(target))
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end
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def find_closest(x, y, halo=None, start=None)
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find('closest', x, y, halo, start)
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end
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def find_enclosed(x1, y1, x2, y2)
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find('enclosed', x1, y1, x2, y2)
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end
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def find_overlapping(x1, y1, x2, y2)
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find('overlapping', x1, y1, x2, y2)
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end
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def find_withtag(tag)
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find('withtag', tag)
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end
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def itemfocus(tagOrId=nil)
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if tagOrId
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tk_send 'focus', tagid(tagOrId)
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else
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ret = tk_send('focus')
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if ret == ""
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nil
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else
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TkcItem.id2obj(self, ret)
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end
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end
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end
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def gettags(tagOrId)
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list(tk_send('gettags', tagid(tagOrId))).collect{|tag|
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TkcTag.id2obj(self, tag)
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}
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end
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def icursor(tagOrId, index)
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tk_send 'icursor', tagid(tagOrId), index
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end
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def index(tagOrId, index)
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tk_send 'index', tagid(tagOrId), index
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end
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def insert(tagOrId, index, string)
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tk_send 'insert', tagid(tagOrId), index, string
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end
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def itemcget(tagOrId, option)
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case option
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when 'dash', 'activedash', 'disableddash'
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conf = tk_send('itemcget', tagid(tagOrId), "-#{option}")
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if conf =~ /^[0-9]/
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list(conf)
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else
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conf
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end
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when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
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tk_send 'itemcget', tagid(tagOrId), "-#{option}"
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else
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tk_tcl2ruby tk_send 'itemcget', tagid(tagOrId), "-#{option}"
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end
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end
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def itemconfigure(tagOrId, key, value=None)
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if key.kind_of? Hash
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if ( key['font'] || key['kanjifont'] \
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|| key['latinfont'] || key['asciifont'] )
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tagfont_configure(tagOrId, key.dup)
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else
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tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
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end
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else
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if ( key == 'font' || key == 'kanjifont' \
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|| key == 'latinfont' || key == 'asciifont' )
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tagfont_configure(tagid(tagOrId), {key=>value})
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else
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tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
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end
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end
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end
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# def itemconfigure(tagOrId, key, value=None)
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# if key.kind_of? Hash
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# tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
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# else
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# tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
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# end
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# end
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# def itemconfigure(tagOrId, keys)
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# tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(keys)
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# end
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def itemconfiginfo(tagOrId, key=nil)
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if key
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case key
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when 'dash', 'activedash', 'disableddash'
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conf = tk_split_simplelist(tk_send 'itemconfigure',
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tagid(tagOrId), "-#{key}")
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if conf[3] && conf[3] =~ /^[0-9]/
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conf[3] = list(conf[3])
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end
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if conf[4] && conf[4] =~ /^[0-9]/
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conf[4] = list(conf[4])
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end
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when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
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conf = tk_split_simplelist(tk_send 'itemconfigure',
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tagid(tagOrId), "-#{key}")
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else
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conf = tk_split_list(tk_send 'itemconfigure',
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tagid(tagOrId), "-#{key}")
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end
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conf[0] = conf[0][1..-1]
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conf
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else
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tk_split_simplelist(tk_send 'itemconfigure',
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tagid(tagOrId)).collect{|conflist|
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conf = tk_split_simplelist(conflist)
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conf[0] = conf[0][1..-1]
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case conf[0]
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when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
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when 'dash', 'activedash', 'disableddash'
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if conf[3] && conf[3] =~ /^[0-9]/
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conf[3] = list(conf[3])
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end
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if conf[4] && conf[4] =~ /^[0-9]/
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conf[4] = list(conf[4])
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end
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else
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if conf[3]
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if conf[3].index('{')
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conf[3] = tk_split_list(conf[3])
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else
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conf[3] = tk_tcl2ruby(conf[3])
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end
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end
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if conf[4]
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if conf[4].index('{')
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conf[4] = tk_split_list(conf[4])
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else
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conf[4] = tk_tcl2ruby(conf[4])
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end
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end
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end
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conf
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}
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end
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end
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def lower(tag, below=None)
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tk_send 'lower', tagid(tag), tagid(below)
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end
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def move(tag, x, y)
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tk_send 'move', tagid(tag), x, y
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end
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def postscript(keys)
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tk_send "postscript", *hash_kv(keys)
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end
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def raise(tag, above=None)
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tk_send 'raise', tagid(tag), tagid(above)
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end
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def scale(tag, x, y, xs, ys)
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tk_send 'scale', tagid(tag), x, y, xs, ys
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end
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def scan_mark(x, y)
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tk_send 'scan', 'mark', x, y
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end
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def scan_dragto(x, y)
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tk_send 'scan', 'dragto', x, y
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end
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def select(mode, *args)
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tk_send 'select', mode, *args
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end
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def select_adjust(tagOrId, index)
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select('adjust', tagid(tagOrId), index)
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end
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def select_clear
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select('clear')
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end
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def select_from(tagOrId, index)
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select('from', tagid(tagOrId), index)
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end
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def select_item
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select('item')
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end
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def select_to(tagOrId, index)
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select('to', tagid(tagOrId), index)
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end
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def itemtype(tag)
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TkcItem.type2class(tk_send 'type', tagid(tag))
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end
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end
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module TkcTagAccess
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include TkComm
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include TkTreatTagFont
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def addtag(tag)
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@c.addtag(tag, 'with', @id)
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end
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def bbox
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@c.bbox(@id)
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end
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def bind(seq, cmd=Proc.new, args=nil)
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@c.itembind @id, seq, cmd, args
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end
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def bindinfo(seq=nil)
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@c.itembindinfo @id, seq
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end
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def cget(option)
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@c.itemcget @id, option
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end
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def configure(key, value=None)
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@c.itemconfigure @id, key, value
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end
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# def configure(keys)
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# @c.itemconfigure @id, keys
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# end
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def configinfo(key=nil)
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@c.itemconfiginfo @id, key
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end
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def coords(*args)
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@c.coords @id, *args
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end
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def dchars(first, last=None)
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@c.dchars @id, first, last
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end
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def dtag(tag_to_del=None)
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@c.dtag @id, tag_to_del
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end
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def find
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@c.find 'withtag', @id
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end
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alias list find
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def focus
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@c.itemfocus @id
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end
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def gettags
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@c.gettags @id
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end
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def icursor(index)
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@c.icursor @id, index
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end
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def index(index)
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@c.index @id, index
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end
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def insert(beforethis, string)
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@c.insert @id, beforethis, string
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end
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def lower(belowthis=None)
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@c.lower @id, belowthis
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end
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def move(xamount, yamount)
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@c.move @id, xamount, yamount
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end
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def raise(abovethis=None)
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@c.raise @id, abovethis
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end
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def scale(xorigin, yorigin, xscale, yscale)
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@c.scale @id, xorigin, yorigin, xscale, yscale
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end
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def select_adjust(index)
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@c.select('adjust', @id, index)
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end
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def select_from(index)
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@c.select('from', @id, index)
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end
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def select_to(index)
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@c.select('to', @id, index)
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end
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def itemtype
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@c.itemtype @id
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end
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# Followings operators supports logical expressions of canvas tags
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# (for Tk8.3+).
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# If tag1.path is 't1' and tag2.path is 't2', then
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# ltag = tag1 & tag2; ltag.path => "(t1)&&(t2)"
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# ltag = tag1 | tag2; ltag.path => "(t1)||(t2)"
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# ltag = tag1 ^ tag2; ltag.path => "(t1)^(t2)"
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# ltag = - tag1; ltag.path => "!(t1)"
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def & (tag)
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if tag.kind_of? TkObject
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TkcTagString.new(@c, '(' + @id + ')&&(' + tag.path + ')')
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else
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TkcTagString.new(@c, '(' + @id + ')&&(' + tag.to_s + ')')
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end
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end
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def | (tag)
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if tag.kind_of? TkObject
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TkcTagString.new(@c, '(' + @id + ')||(' + tag.path + ')')
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else
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TkcTagString.new(@c, '(' + @id + ')||(' + tag.to_s + ')')
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end
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end
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def ^ (tag)
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if tag.kind_of? TkObject
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TkcTagString.new(@c, '(' + @id + ')^(' + tag.path + ')')
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else
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TkcTagString.new(@c, '(' + @id + ')^(' + tag.to_s + ')')
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end
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end
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def -@
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TkcTagString.new(@c, '!(' + @id + ')')
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end
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end
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class TkcTag<TkObject
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include TkcTagAccess
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CTagID_TBL = {}
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def TkcTag.id2obj(canvas, id)
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cpath = canvas.path
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return id unless CTagID_TBL[cpath]
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CTagID_TBL[cpath][id]? CTagID_TBL[cpath][id]: id
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end
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Tk_CanvasTag_ID = ['ctag0000']
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def initialize(parent, mode=nil, *args)
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if not parent.kind_of?(TkCanvas)
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fail format("%s need to be TkCanvas", parent.inspect)
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end
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@c = parent
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@cpath = parent.path
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@path = @id = Tk_CanvasTag_ID[0]
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CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
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CTagID_TBL[@cpath][@id] = self
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Tk_CanvasTag_ID[0] = Tk_CanvasTag_ID[0].succ
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if mode
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tk_call @c.path, "addtag", @id, mode, *args
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end
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end
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def id
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return @id
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end
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def delete
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@c.delete @id
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CTagID_TBL[@path][@id] = nil if CTagID_TBL[@path]
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end
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alias remove delete
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alias destroy delete
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def set_to_above(target)
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@c.addtag_above(@id, target)
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end
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alias above set_to_above
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def set_to_all
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@c.addtag_all(@id)
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end
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alias all set_to_all
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def set_to_below(target)
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@c.addtag_below(@id, target)
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end
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alias below set_to_below
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def set_to_closest(x, y, halo=None, start=None)
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@c.addtag_closest(@id, x, y, halo, start)
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end
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alias closest set_to_closest
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def set_to_enclosed(x1, y1, x2, y2)
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@c.addtag_enclosed(@id, x1, y1, x2, y2)
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end
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alias enclosed set_to_enclosed
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def set_to_overlapping(x1, y1, x2, y2)
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@c.addtag_overlapping(@id, x1, y1, x2, y2)
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end
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alias overlapping set_to_overlapping
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def set_to_withtag(target)
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@c.addtag_withtag(@id, target)
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end
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alias withtag set_to_withtag
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end
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class TkcTagString<TkcTag
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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
|
|
fontkeys = {}
|
|
if args[-1].kind_of? Hash
|
|
args = args.dup
|
|
keys = args.pop
|
|
['font', 'kanjifont', 'latinfont', 'asciifont'].each{|key|
|
|
fontkeys[key] = keys.delete(key) if keys.key?(key)
|
|
}
|
|
args += hash_kv(keys)
|
|
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
|
|
font_configure(fontkeys) unless fontkeys.empty?
|
|
|
|
######## old version
|
|
# 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', 'file'
|
|
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
|