From 0dc342de848a642ecce8db697b8fecd83a63e117 Mon Sep 17 00:00:00 2001
From: yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 25 Aug 2008 15:02:05 +0000
Subject: added tag v1_9_0_4

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_9_0_4@18845 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 trunk/ext/tk/lib/tk/canvastag.rb | 434 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 434 insertions(+)
 create mode 100644 trunk/ext/tk/lib/tk/canvastag.rb

(limited to 'trunk/ext/tk/lib/tk/canvastag.rb')

diff --git a/trunk/ext/tk/lib/tk/canvastag.rb b/trunk/ext/tk/lib/tk/canvastag.rb
new file mode 100644
index 0000000000..49796d80b2
--- /dev/null
+++ b/trunk/ext/tk/lib/tk/canvastag.rb
@@ -0,0 +1,434 @@
+#
+# tk/canvastag.rb - methods for treating canvas tags
+#
+require 'tk'
+require 'tk/tagfont'
+
+module TkcTagAccess
+  include TkComm
+  include TkTreatTagFont
+end
+
+require 'tk/canvas'
+
+module TkcTagAccess
+  def addtag(tag)
+    @c.addtag(tag, 'withtag', @id)
+    self
+  end
+
+  def bbox
+    @c.bbox(@id)
+  end
+
+  #def bind(seq, cmd=Proc.new, *args)
+  #  @c.itembind(@id, seq, cmd, *args)
+  #  self
+  #end
+  def bind(seq, *args)
+    # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
+    if TkComm._callback_entry?(args[0]) || !block_given?
+      cmd = args.shift
+    else
+      cmd = Proc.new
+    end
+    @c.itembind(@id, seq, cmd, *args)
+    self
+  end
+
+  #def bind_append(seq, cmd=Proc.new, *args)
+  #  @c.itembind_append(@id, seq, cmd, *args)
+  #  self
+  #end
+  def bind_append(seq, *args)
+    # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
+    if TkComm._callback_entry?(args[0]) || !block_given?
+      cmd = args.shift
+    else
+      cmd = Proc.new
+    end
+    @c.itembind_append(@id, seq, cmd, *args)
+    self
+  end
+
+  def bind_remove(seq)
+    @c.itembind_remove(@id, seq)
+    self
+  end
+
+  def bindinfo(seq=nil)
+    @c.itembindinfo(@id, seq)
+  end
+
+  def cget(option)
+    @c.itemcget(@id, option)
+  end
+  def cget_strict(option)
+    @c.itemcget_strict(@id, option)
+  end
+
+  def configure(key, value=None)
+    @c.itemconfigure(@id, key, value)
+    self
+  end
+#  def configure(keys)
+#    @c.itemconfigure @id, keys
+#  end
+
+  def configinfo(key=nil)
+    @c.itemconfiginfo(@id, key)
+  end
+
+  def current_configinfo(key=nil)
+    @c.current_itemconfiginfo(@id, key)
+  end
+
+  def coords(*args)
+    @c.coords(@id, *args)
+  end
+
+  def dchars(first, last=None)
+    @c.dchars(@id, first, last)
+    self
+  end
+
+  def dtag(tag_to_del=None)
+    @c.dtag(@id, tag_to_del)
+    self
+  end
+  alias deltag dtag
+
+  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)
+    self
+  end
+
+  def index(idx)
+    @c.index(@id, idx)
+  end
+
+  def insert(beforethis, string)
+    @c.insert(@id, beforethis, string)
+    self
+  end
+
+  def lower(belowthis=None)
+    @c.lower(@id, belowthis)
+    self
+  end
+
+  def move(xamount, yamount)
+    @c.move(@id, xamount, yamount)
+    self
+  end
+
+  def raise(abovethis=None)
+    @c.raise(@id, abovethis)
+    self
+  end
+
+  def scale(xorigin, yorigin, xscale, yscale)
+    @c.scale(@id, xorigin, yorigin, xscale, yscale)
+    self
+  end
+
+  def select_adjust(index)
+    @c.select('adjust', @id, index)
+    self
+  end
+  def select_from(index)
+    @c.select('from', @id, index)
+    self
+  end
+  def select_to(index)
+    @c.select('to', @id, index)
+    self
+  end
+
+  def itemtype
+    @c.itemtype(@id)
+  end
+
+  # Following operators support 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 = TkCore::INTERP.create_table
+
+  (Tk_CanvasTag_ID = ['ctag'.freeze, '00000'.taint]).instance_eval{
+    @mutex = Mutex.new
+    def mutex; @mutex; end
+    freeze
+  }
+
+  TkCore::INTERP.init_ip_env{
+    CTagID_TBL.mutex.synchronize{ CTagID_TBL.clear }
+  }
+
+  def TkcTag.id2obj(canvas, id)
+    cpath = canvas.path
+    CTagID_TBL.mutex.synchronize{
+      if CTagID_TBL[cpath]
+        CTagID_TBL[cpath][id]? CTagID_TBL[cpath][id]: id
+      else 
+        id
+      end
+    }
+  end
+
+  def initialize(parent, mode=nil, *args)
+    #unless parent.kind_of?(TkCanvas)
+    #  fail ArgumentError, "expect TkCanvas for 1st argument"
+    #end
+    @c = parent
+    @cpath = parent.path
+    Tk_CanvasTag_ID.mutex.synchronize{
+      # @path = @id = Tk_CanvasTag_ID.join('')
+      @path = @id = Tk_CanvasTag_ID.join(TkCore::INTERP._ip_id_)
+      Tk_CanvasTag_ID[1].succ!
+    }
+    CTagID_TBL.mutex.synchronize{
+      CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
+      CTagID_TBL[@cpath][@id] = self
+    }
+    if mode
+      tk_call_without_enc(@c.path, "addtag", @id, mode, *args)
+    end
+  end
+  def id
+    @id
+  end
+
+  def exist?
+    if @c.find_withtag(@id)
+      true
+    else
+      false
+    end
+  end
+
+  def delete
+    @c.delete @id
+    CTagID_TBL.mutex.synchronize{
+      CTagID_TBL[@cpath].delete(@id) if CTagID_TBL[@cpath]
+    }
+    self
+  end
+  alias remove  delete
+  alias destroy delete
+
+  def set_to_above(target)
+    @c.addtag_above(@id, target)
+    self
+  end
+  alias above set_to_above
+
+  def set_to_all
+    @c.addtag_all(@id)
+    self
+  end
+  alias all set_to_all
+
+  def set_to_below(target)
+    @c.addtag_below(@id, target)
+    self
+  end
+  alias below set_to_below
+
+  def set_to_closest(x, y, halo=None, start=None)
+    @c.addtag_closest(@id, x, y, halo, start)
+    self
+  end
+  alias closest set_to_closest
+
+  def set_to_enclosed(x1, y1, x2, y2)
+    @c.addtag_enclosed(@id, x1, y1, x2, y2)
+    self
+  end
+  alias enclosed set_to_enclosed
+
+  def set_to_overlapping(x1, y1, x2, y2)
+    @c.addtag_overlapping(@id, x1, y1, x2, y2)
+    self
+  end
+  alias overlapping set_to_overlapping
+
+  def set_to_withtag(target)
+    @c.addtag_withtag(@id, target)
+    self
+  end
+  alias withtag set_to_withtag
+end
+
+class TkcTagString<TkcTag
+  def self.new(parent, name, mode=nil, *args)
+    obj = nil
+    CTagID_TBL.mutex.synchronize{
+      if CTagID_TBL[parent.path] && CTagID_TBL[parent.path][name]
+        obj = CTagID_TBL[parent.path][name]
+      else
+        # super(parent, name, *args)
+        (obj = self.allocate).instance_eval{
+          @c = parent
+          @cpath = parent.path
+          @path = @id = name
+          CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
+          CTagID_TBL[@cpath][@id] = self
+        }
+      end
+    }
+    if obj && mode
+      tk_call_without_enc(@c.path, "addtag", @id, mode, *args)
+    end
+    obj
+  end
+
+  def initialize(parent, name, mode=nil, *args)
+    # dummy:: not called by 'new' method
+
+    #unless parent.kind_of?(TkCanvas)
+    #  fail ArgumentError, "expect TkCanvas for 1st argument"
+    #end
+    @c = parent
+    @cpath = parent.path
+    @path = @id = name
+
+    if mode
+      tk_call_without_enc(@c.path, "addtag", @id, mode, *args)
+    end
+  end
+end
+TkcNamedTag = TkcTagString
+
+class TkcTagAll<TkcTagString
+  def self.new(parent)
+    super(parent, 'all')
+  end
+=begin
+  def initialize(parent)
+    #unless parent.kind_of?(TkCanvas)
+    #  fail ArgumentError, "expect TkCanvas for 1st argument"
+    #end
+    @c = parent
+    @cpath = parent.path
+    @path = @id = 'all'
+    CTagID_TBL.mutex.synchronize{
+      CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
+      CTagID_TBL[@cpath][@id] = self
+    }
+  end
+=end
+end
+
+class TkcTagCurrent<TkcTagString
+  def self.new(parent)
+    super(parent, 'current')
+  end
+=begin
+  def initialize(parent)
+    #unless parent.kind_of?(TkCanvas)
+    #  fail ArgumentError, "expect TkCanvas for 1st argument"
+    #end
+    @c = parent
+    @cpath = parent.path
+    @path = @id = 'current'
+    CTagID_TBL.mutex.synchronize{
+      CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
+      CTagID_TBL[@cpath][@id] = self
+    }
+  end
+=end
+end
+
+class TkcGroup<TkcTag
+  (Tk_cGroup_ID = ['tkcg'.freeze, '00000'.taint]).instance_eval{
+    @mutex = Mutex.new
+    def mutex; @mutex; end
+    freeze
+  }
+
+  #def create_self(parent, *args)
+  def initialize(parent, *args)
+    #unless parent.kind_of?(TkCanvas)
+    #  fail ArgumentError, "expect TkCanvas for 1st argument"
+    #end
+    @c = parent
+    @cpath = parent.path
+    Tk_cGroup_ID.mutex.synchronize{
+      # @path = @id = Tk_cGroup_ID.join('')
+      @path = @id = Tk_cGroup_ID.join(TkCore::INTERP._ip_id_)
+      Tk_cGroup_ID[1].succ!
+    }
+    CTagID_TBL.mutex.synchronize{
+      CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
+      CTagID_TBL[@cpath][@id] = self
+    }
+    include(*args) if args != []
+  end
+  #private :create_self
+  
+  def include(*tags)
+    for i in tags
+      #i.addtag(@id)
+      @c.addtag_withtag(@id, i)
+    end
+    self
+  end
+  alias add include
+
+  def exclude(*tags)
+    for i in tags
+      #i.dtag(@id)
+      @c.dtag(i, @id)
+    end
+    self
+  end
+end
-- 
cgit v1.2.3