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#
# tktext.rb - Tk text classes
# $Date$
# by Yukihiro Matsumoto <matz@caelum.co.jp>
require 'tk.rb'
class TkText<TkTextWin
include Scrollable
def create_self
tk_call 'text', @path
@tags = {}
end
def index(index)
tk_send 'index', index
end
def value
tk_send 'get', "1.0", "end - 1 char"
end
def value= (val)
tk_send 'delete', "1.0", 'end'
tk_send 'insert', "1.0", val
end
def _addcmd(cmd)
@cmdtbl.push cmd
end
def _addtag(name, obj)
@tags[name] = obj
end
def tag_names(index=None)
tk_split_list(tk_send('tag', 'names', index)).collect{|elt|
if not @tags[elt]
elt
else
@tags[elt]
end
}
end
def window_names
tk_send('window', 'names').collect{|elt|
if not @tags[elt]
elt
else
@tags[elt]
end
}
end
def image_names
tk_send('image', 'names').collect{|elt|
if not @tags[elt]
elt
else
@tags[elt]
end
}
end
def set_insert(index)
tk_send 'mark', 'set', 'insert', index
end
def set_current(index)
tk_send 'mark', 'set', 'current', index
end
def insert(index, chars, *tags)
super index, chars, tags.collect{|x|_get_eval_string(x)}.join(' ')
end
def destroy
@tags.each_value do |t|
t.destroy
end
super
end
def backspace
self.delete 'insert'
end
def compare(idx1, op, idx2)
bool(tk_send('compare', idx1, op, idx2))
end
def debug
bool(tk_send('debug'))
end
def debug=(boolean)
tk_send 'debug', boolean
end
def bbox(index)
inf = tk_send('bbox', index)
(inf == "")? [0,0,0,0]: inf
end
def dlineinfo(index)
inf = tk_send('dlineinfo', index)
(inf == "")? [0,0,0,0,0]: inf
end
def yview(*what)
tk_send 'yview', *what
end
def yview_pickplace(*what)
tk_send 'yview', '-pickplace', *what
end
def xview(*what)
tk_send 'xview', *what
end
def xview_pickplace(*what)
tk_send 'xview', '-pickplace', *what
end
def tag_add(tag,index1,index2=None)
tk_send 'tag', 'add', tag, index1, index2
end
def tag_bind(tag, seq, cmd=Proc.new, args=nil)
seq = context.join("><") if seq.kind_of? Array
if /,/ =~ seq
seq = seq.split(/\s*,\s*/).join("><")
end
id = install_bind(cmd, args)
tk_send 'tag', 'bind', tag, "<#{seq}>", id
# _addcmd cmd
end
def tag_bindinfo(tag)
tk_split_list(tk_send('tag', 'bind', tag)).filter{|seq|
seq.tr('<>',' ').strip.gsub(/\s+/,',')
}
end
def tag_cget(tag, key)
tk_call @t.path, 'tag', 'cget', tag, "-#{key}"
end
def tag_configure(tag, key, val=None)
if key.kind_of? Hash
tk_send 'tag', 'configure', tag, *hash_kv(key)
else
tk_send 'tag', 'configure', tag, "-#{key}", val
end
end
def configinfo(tag, key=nil)
if key
conf = tk_split_list(tk_send('tag','configure',tag,"-#{key}"))
conf[0] = conf[0][1..-1]
conf
else
tk_split_list(tk_send('tag', 'configure', tag)).collect{|conf|
conf[0] = conf[0][1..-1]
conf
}
end
end
def tag_raise(tag, above=None)
tk_send 'tag', 'raise', tag, above
end
def tag_lower(tag, below=None)
tk_send 'tag', 'lower', tag, below
end
def tag_remove(tag, *index)
tk_send 'tag', 'remove', tag, *index
end
def tag_ranges(tag)
l = tk_split_list(tk_send('tag', 'ranges', tag))
r = []
while key=l.shift
r.push [key, l.shift]
end
r
end
def tag_nextrange(tag, first, last=None)
tk_split_list(tk_send('tag', 'nextrange', tag, first, last))
end
def tag_prevrange(tag, first, last=None)
tk_split_list(tk_send('tag', 'prevrange', tag, first, last))
end
def search_with_length(pat,start,stop=None)
pat = pat.char if pat.kind_of? Integer
if stop != None
return ["", 0] if compare(start,'>=',stop)
txt = get(start,stop)
if (pos = txt.index(pat))
pos = txt[0..(pos-1)].split('').length if pos > 0
if pat.kind_of? String
return [index(start + " + #{pos} chars"), pat.split('').length]
else
return [index(start + " + #{pos} chars"), $&.split('').length]
end
else
return ["", 0]
end
else
txt = get(start,'end - 1 char')
if (pos = txt.index(pat))
pos = txt[0..(pos-1)].split('').length if pos > 0
if pat.kind_of? String
return [index(start + " + #{pos} chars"), pat.split('').length]
else
return [index(start + " + #{pos} chars"), $&.split('').length]
end
else
txt = get('1.0','end - 1 char')
if (pos = txt.index(pat))
pos = txt[0..(pos-1)].split('').length if pos > 0
if pat.kind_of? String
return [index("1.0 + #{pos} chars"), pat.split('').length]
else
return [index("1.0 + #{pos} chars"), $&.split('').length]
end
else
return ["", 0]
end
end
end
end
def search(pat,start,stop=None)
search_with_length(pat,start,stop)[0]
end
def rsearch_with_length(pat,start,stop=None)
pat = pat.char if pat.kind_of? Integer
if stop != None
return ["", 0] if compare(start,'<=',stop)
txt = get(stop,start)
if (pos = txt.rindex(pat))
pos = txt[0..(pos-1)].split('').length if pos > 0
if pat.kind_of? String
return [index(stop + " + #{pos} chars"), pat.split('').length]
else
return [index(stop + " + #{pos} chars"), $&.split('').length]
end
else
return ["", 0]
end
else
txt = get('1.0',start)
if (pos = txt.rindex(pat))
pos = txt[0..(pos-1)].split('').length if pos > 0
if pat.kind_of? String
return [index("1.0 + #{pos} chars"), pat.split('').length]
else
return [index("1.0 + #{pos} chars"), $&.split('').length]
end
else
txt = get('1.0','end - 1 char')
if (pos = txt.rindex(pat))
pos = txt[0..(pos-1)].split('').length if pos > 0
if pat.kind_of? String
return [index("1.0 + #{pos} chars"), pat.split('').length]
else
return [index("1.0 + #{pos} chars"), $&.split('').length]
end
else
return ["", 0]
end
end
end
end
def rsearch(pat,start,stop=None)
rsearch_with_length(pat,start,stop)[0]
end
end
class TkTextTag<TkObject
$tk_text_tag = 'tag0000'
def initialize(parent, keys=nil)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
@path = @id = $tk_text_tag
$tk_text_tag = $tk_text_tag.succ
tk_call @t.path, "tag", "configure", @id, *hash_kv(keys)
@t._addtag id, self
end
def id
return @id
end
def add(*index)
tk_call @t.path, 'tag', 'add', @id, *index
end
def remove(*index)
tk_call @t.path, 'tag', 'remove', @id, *index
end
def ranges
l = tk_split_list(tk_call(@t.path, 'tag', 'ranges', @id))
r = []
while key=l.shift
r.push [key, l.shift]
end
r
end
def nextrange(first, last=None)
tk_split_list(tk_call(@t.path, 'tag', 'nextrange', @id, first, last))
end
def prevrange(first, last=None)
tk_split_list(tk_call(@t.path, 'tag', 'prevrange', @id, first, last))
end
def [](key)
cget key
end
def []=(key,val)
configure key, val
end
def cget(key)
tk_call @t.path, 'tag', 'cget', @id, "-#{key}"
end
def configure(key, val=None)
if key.kind_of? Hash
tk_call @t.path, 'tag', 'configure', @id, *hash_kv(key)
else
tk_call @t.path, 'tag', 'configure', @id, "-#{key}", val
end
end
# def configure(key, value)
# if value == FALSE
# value = "0"
# elsif value.kind_of? Proc
# value = install_cmd(value)
# end
# tk_call @t.path, 'tag', 'configure', @id, "-#{key}", value
# end
def configinfo(key=nil)
if key
conf = tk_split_list(tk_call(@t.path, 'tag','configure',@id,"-#{key}"))
conf[0] = conf[0][1..-1]
conf
else
tk_split_list(tk_call(@t.path, 'tag', 'configure', @id)).collect{|conf|
conf[0] = conf[0][1..-1]
conf
}
end
end
def bind(seq, cmd=Proc.new, args=nil)
seq = context.join("><") if seq.kind_of? Array
if /,/ =~ seq
seq = seq.split(/\s*,\s*/).join("><")
end
id = install_bind(cmd, args)
tk_call @t.path, 'tag', 'bind', @id, "<#{seq}>", id
# @t._addcmd cmd
end
def bindinfo
tk_split_list(tk_call(@t.path, 'tag', 'bind', @id)).filter{|seq|
seq.tr('<>',' ').strip.gsub(/\s+/,',')
}
end
def raise(above=None)
tk_call @t.path, 'tag', 'raise', @id, above
end
def lower(below=None)
tk_call @t.path, 'tag', 'lower', @id, below
end
def destroy
tk_call @t.path, 'tag', 'delete', @id
end
end
class TkTextTagSel<TkTextTag
def initialize(parent, keys=nil)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
@path = @id = 'sel'
tk_call @t.path, "tag", "configure", @id, *hash_kv(keys)
@t._addtag id, self
end
end
class TkTextMark<TkObject
$tk_text_mark = 'mark0000'
def initialize(parent, index)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
@path = @id = $tk_text_mark
$tk_text_mark = $tk_text_mark.succ
tk_call @t.path, 'mark', 'set', @id, index
@t._addtag id, self
end
def id
return @id
end
def set(where)
tk_call @t.path, 'mark', 'set', @id, where
end
def unset
tk_call @t.path, 'mark', 'unset', @id
end
alias destroy unset
def gravity
tk_call @t.path, 'mark', 'gravity', @id
end
def gravity=(direction)
tk_call @t.path, 'mark', 'gravity', @id, direction
end
end
class TkTextMarkInsert<TkTextMark
def initialize(parent, index=nil)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
@path = @id = 'insert'
tk_call @t.path, 'mark', 'set', @id, index if index
@t._addtag id, self
end
end
class TkTextMarkCurrent<TkTextMark
def initialize(parent,index=nil)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
@path = @id = 'current'
tk_call @t.path, 'mark', 'set', @id, index if index
@t._addtag id, self
end
end
class TkTextWindow<TkObject
def initialize(parent, index, keys)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
if index == 'end'
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
elsif index.kind_of? TkTextMark
if tk_call(@t.path,'index',index.path) == tk_call(@t.path,'index','end')
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
else
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', index.path))
end
else
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', index))
end
@path.gravity = 'left'
@index = @path.path
@id = keys['window']
if keys['create']
@p_create = keys['create']
if @p_create.kind_of? Proc
keys['create'] = install_cmd(proc{@id = @p_create.call; @id.path})
end
end
tk_call @t.path, 'window', 'create', @index, *hash_kv(keys)
end
def [](slot)
cget(slot)
end
def []=(slot, value)
configure(slot, value)
end
def cget(slot)
tk_call @t.path, 'window', 'cget', @index, "-#{slot}"
end
def configure(slot, value=None)
if slot.kind_of? Hash
@id = slot['window'] if slot['window']
if slot['create']
self.create=value
slot['create']=nil
end
if slot.size > 0
tk_call @t.path, 'window', 'configure', @index, *hash_kv(slot)
end
else
@id = value if slot == 'window'
if slot == 'create'
self.create=value
else
tk_call @t.path, 'window', 'configure', @index, "-#{slot}", value
end
end
end
def window
@id
end
def window=(value)
tk_call @t.path, 'window', 'configure', @index, '-window', value
@id = value
end
def create
@p_create
end
def create=(value)
@p_create = value
if @p_create.kind_of? Proc
value = install_cmd(proc{@id = @p_create.call})
end
tk_call @t.path, 'window', 'configure', @index, '-create', value
end
def configinfo(slot = nil)
if slot
conf = tk_split_list(tk_call @t.path, 'window', 'configure',
@index, "-#{slot}")
conf[0] = conf[0][1..-1]
conf
else
tk_split_list(tk_call @t.path, 'window', 'configure',
@index).collect{|conf|
conf[0] = conf[0][1..-1]
conf
}
end
end
end
class TkTextImage<TkObject
def initialize(parent, index, keys)
if not parent.kind_of?(TkText)
fail format("%s need to be TkText", parent.inspect)
end
@t = parent
if index == 'end'
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
elsif index.kind_of? TkTextMark
if tk_call(@t.path,'index',index.path) == tk_call(@t.path,'index','end')
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', 'end - 1 chars'))
else
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', index.path))
end
else
@path = TkTextMark.new(@t, tk_call(@t.path, 'index', index))
end
@path.gravity = 'left'
@index = @path.path
@id = tk_call(@t.path, 'image', 'create', @index, *hash_kv(keys))
end
def [](slot)
cget(slot)
end
def []=(slot, value)
configure(slot, value)
end
def cget(slot)
tk_call @t.path, 'image', 'cget', @index, "-#{slot}"
end
def configure(slot, value=None)
if slot.kind_of? Hash
tk_call @t.path, 'image', 'configure', @index, *hash_kv(slot)
else
tk_call @t.path, 'image', 'configure', @index, "-#{slot}", value
end
end
# def configure(slot, value)
# tk_call @t.path, 'image', 'configure', @index, "-#{slot}", value
# end
def image
tk_call @t.path, 'image', 'configure', @index, '-image'
end
def image=(value)
tk_call @t.path, 'image', 'configure', @index, '-image', value
end
def configinfo(slot = nil)
if slot
conf = tk_split_list(tk_call @t.path, 'image', 'configure',
@index, "-#{slot}")
conf[0] = conf[0][1..-1]
conf
else
tk_split_list(tk_call @t.path, 'image', 'configure',
@index).collect{|conf|
conf[0] = conf[0][1..-1]
conf
}
end
end
end
|