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#
# tkentry.rb - Tk entry classes
# $Date$
# by Yukihiro Matsumoto <matz@caelum.co.jp>
require 'tk.rb'
class TkEntry<TkLabel
include Scrollable
TkCommandNames = ['entry'.freeze].freeze
WidgetClassName = 'Entry'.freeze
WidgetClassNames[WidgetClassName] = self
class ValidateCmd
include TkComm
module Action
Insert = 1
Delete = 0
Others = -1
Focus = -1
Forced = -1
Textvariable = -1
TextVariable = -1
end
class ValidateArgs
VARG_KEY = 'disvPSVW'
VARG_TYPE = 'nxeseesw'
def self.scan_args(arg_str, arg_val)
enc = Tk.encoding
arg_cnv = []
arg_str.strip.split(/\s+/).each_with_index{|kwd,idx|
if kwd =~ /^%(.)$/
if num = VARG_KEY.index($1)
case VARG_TYPE[num]
when ?n
arg_cnv << TkComm::number(arg_val[idx])
when ?s
arg_cnv << TkComm::string(arg_val[idx])
when ?e
if enc
arg_cnv << Tk.fromUTF8(TkComm::string(arg_val[idx]), enc)
else
arg_cnv << TkComm::string(arg_val[idx])
end
when ?w
arg_cnv << TkComm::window(arg_val[idx])
when ?x
idx = TkComm::number(arg_val[idx])
if idx < 0
arg_cnv << nil
else
arg_cnv << idx
end
else
arg_cnv << arg_val[idx]
end
else
arg_cnv << arg_val[idx]
end
else
arg_cnv << arg_val[idx]
end
}
arg_cnv
end
def initialize(d,i,s,v,pp,ss,vv,ww)
@action = d
@index = i
@current = s
@type = v
@value = pp
@string = ss
@triggered = vv
@widget = ww
end
attr :action
attr :index
attr :current
attr :type
attr :value
attr :string
attr :triggered
attr :widget
end
def initialize(cmd = Proc.new, args=nil)
if args
@id =
install_cmd(proc{|*arg|
TkUtil.eval_cmd(proc{|*v| (cmd.call(*v))? '1': '0'},
*ValidateArgs.scan_args(args, arg))
}) + " " + args
else
args = ' %d %i %s %v %P %S %V %W'
@id =
install_cmd(proc{|*arg|
TkUtil.eval_cmd(proc{|*v| (cmd.call(*v))? '1': '0'},
ValidateArgs.new(*ValidateArgs \
.scan_args(args,arg)))
}) + args
end
end
def to_eval
@id
end
end
def create_self(keys)
tk_call 'entry', @path
if keys and keys != None
configure(keys)
end
end
def configure(slot, value=None)
if slot.kind_of? Hash
slot = _symbolkey2str(slot)
if slot['vcmd'].kind_of? Array
cmd, *args = slot['vcmd']
slot['vcmd'] = ValidateCmd.new(cmd, args.join(' '))
elsif slot['vcmd'].kind_of? Proc
slot['vcmd'] = ValidateCmd.new(slot['vcmd'])
end
if slot['validatecommand'].kind_of? Array
cmd, *args = slot['validatecommand']
slot['validatecommand'] = ValidateCmd.new(cmd, args.join(' '))
elsif slot['validatecommand'].kind_of? Proc
slot['validatecommand'] = ValidateCmd.new(slot['validatecommand'])
end
if slot['invcmd'].kind_of? Array
cmd, *args = slot['invcmd']
slot['invcmd'] = ValidateCmd.new(cmd, args.join(' '))
elsif slot['invcmd'].kind_of? Proc
slot['invcmd'] = ValidateCmd.new(slot['invcmd'])
end
if slot['invalidcommand'].kind_of? Array
cmd, *args = slot['invalidcommand']
slot['invalidcommand'] = ValidateCmd.new(cmd, args.join(' '))
elsif slot['invalidcommand'].kind_of? Proc
slot['invalidcommand'] = ValidateCmd.new(slot['invalidcommand'])
end
super(slot)
else
if (slot == 'vcmd' || slot == :vcmd ||
slot == 'validatecommand' || slot == :validatecommand ||
slot == 'invcmd' || slot == :invcmd ||
slot == 'invalidcommand' || slot == :invalidcommand)
if value.kind_of? Array
cmd, *args = value
value = ValidateCmd.new(cmd, args.join(' '))
elsif value.kind_of? Proc
value = ValidateCmd.new(value)
end
end
super(slot, value)
end
self
end
def bbox(index)
list(tk_send('bbox', index))
end
def cursor
number(tk_send('index', 'insert'))
end
def cursor=(index)
tk_send 'icursor', index
self
end
def index(index)
number(tk_send('index', index))
end
def insert(pos,text)
tk_send 'insert', pos, text
self
end
def delete(first, last=None)
tk_send 'delete', first, last
self
end
def mark(pos)
tk_send 'scan', 'mark', pos
self
end
def dragto(pos)
tk_send 'scan', 'dragto', pos
self
end
def selection_adjust(index)
tk_send 'selection', 'adjust', index
self
end
def selection_clear
tk_send 'selection', 'clear'
self
end
def selection_from(index)
tk_send 'selection', 'from', index
self
end
def selection_present()
bool(tk_send('selection', 'present'))
end
def selection_range(s, e)
tk_send 'selection', 'range', s, e
self
end
def selection_to(index)
tk_send 'selection', 'to', index
self
end
def invoke_validate
bool(tk_send('validate'))
end
def validate(mode = nil)
if mode
configure 'validate', mode
else
invoke_validate
end
end
def validatecommand(cmd = Proc.new, args = nil)
if cmd.kind_of?(ValidateCmd)
configure('validatecommand', cmd)
elsif args
configure('validatecommand', [cmd, args])
else
configure('validatecommand', cmd)
end
end
alias vcmd validatecommand
def invalidcommand(cmd = Proc.new, args = nil)
if cmd.kind_of?(ValidateCmd)
configure('invalidcommand', cmd)
elsif args
configure('invalidcommand', [cmd, args])
else
configure('invalidcommand', cmd)
end
end
alias invcmd invalidcommand
def value
tk_send 'get'
end
def value= (val)
tk_send 'delete', 0, 'end'
tk_send 'insert', 0, val
end
end
class TkSpinbox<TkEntry
TkCommandNames = ['spinbox'.freeze].freeze
WidgetClassName = 'Spinbox'.freeze
WidgetClassNames[WidgetClassName] = self
def create_self(keys)
tk_call 'spinbox', @path
if keys and keys != None
configure(keys)
end
end
def identify(x, y)
tk_send 'identify', x, y
end
def spinup
tk_send 'invoke', 'spinup'
self
end
def spindown
tk_send 'invoke', 'spindown'
self
end
def set(str)
tk_send 'set', str
end
end
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