mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
3a47cf3395
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
497 lines
13 KiB
Ruby
497 lines
13 KiB
Ruby
#
|
|
# tkcombobox.rb : auto scrollbox & combobox
|
|
#
|
|
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
|
|
#
|
|
require 'tk'
|
|
|
|
module Tk
|
|
module RbWidget
|
|
class AutoScrollListbox < TkListbox
|
|
end
|
|
class Combobox < TkEntry
|
|
end
|
|
end
|
|
end
|
|
|
|
class Tk::RbWidget::AutoScrollListbox
|
|
include TkComposite
|
|
|
|
@@up_bmp = TkBitmapImage.new(:data=><<EOD)
|
|
#define up_arrow_width 9
|
|
#define up_arrow_height 9
|
|
static unsigned char up_arrow_bits[] = {
|
|
0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x38, 0x00, 0x38, 0x00, 0x7c, 0x00,
|
|
0x7c, 0x00, 0xfe, 0x00, 0x00, 0x00};
|
|
EOD
|
|
|
|
@@down_bmp = TkBitmapImage.new(:data=><<EOD)
|
|
#define up_arrow_width 9
|
|
#define up_arrow_height 9
|
|
static unsigned char down_arrow_bits[] = {
|
|
0x00, 0x00, 0xfe, 0x00, 0x7c, 0x00, 0x7c, 0x00, 0x38, 0x00, 0x38, 0x00,
|
|
0x10, 0x00, 0x10, 0x00, 0x00, 0x00};
|
|
EOD
|
|
|
|
############################
|
|
private
|
|
############################
|
|
def initialize_composite(keys={})
|
|
keys = _symbolkey2str(keys)
|
|
|
|
@initwait = keys.delete('startwait'){300}
|
|
@interval = keys.delete('interval'){150}
|
|
@initwait -= @interval
|
|
@initwait = 0 if @initwait < 0
|
|
|
|
@lbox = TkListbox.new(@frame, :borderwidth=>0)
|
|
@path = @lbox.path
|
|
TkPack.propagate(@lbox, false)
|
|
|
|
@scr = TkScrollbar.new(@frame, :width=>10)
|
|
|
|
@lbox.yscrollcommand(proc{|*args| @scr.set(*args); _config_proc})
|
|
@scr.command(proc{|*args| @lbox.yview(*args); _config_proc})
|
|
|
|
@up_arrow = TkLabel.new(@lbox, :image=>@@up_bmp,
|
|
:relief=>:raised, :borderwidth=>1)
|
|
@down_arrow = TkLabel.new(@lbox, :image=>@@down_bmp,
|
|
:relief=>:raised, :borderwidth=>1)
|
|
|
|
_init_binding
|
|
|
|
@lbox.pack(:side=>:left, :fill=>:both, :expand=>:true)
|
|
|
|
delegate('DEFAULT', @lbox)
|
|
delegate('background', @frame, @scr)
|
|
delegate('activebackground', @scr)
|
|
delegate('troughcolor', @scr)
|
|
delegate('repeatdelay', @scr)
|
|
delegate('repeatinterval', @scr)
|
|
delegate('relief', @frame)
|
|
delegate('borderwidth', @frame)
|
|
|
|
delegate_alias('arrowrelief', 'relief', @up_arrow, @down_arrow)
|
|
delegate_alias('arrowborderwidth', 'borderwidth', @up_arrow, @down_arrow)
|
|
|
|
scrollbar(keys.delete('scrollbar')){false}
|
|
|
|
configure keys unless keys.empty?
|
|
end
|
|
|
|
def _show_up_arrow
|
|
unless @up_arrow.winfo_mapped?
|
|
@up_arrow.pack(:side=>:top, :fill=>:x)
|
|
end
|
|
end
|
|
|
|
def _show_down_arrow
|
|
unless @down_arrow.winfo_mapped?
|
|
@down_arrow.pack(:side=>:bottom, :fill=>:x)
|
|
end
|
|
end
|
|
|
|
def _set_sel(idx)
|
|
@lbox.activate(idx)
|
|
@lbox.selection_clear(0, 'end')
|
|
@lbox.selection_set(idx)
|
|
end
|
|
|
|
def _check_sel(cidx, tidx = nil, bidx = nil)
|
|
_set_sel(cidx)
|
|
unless tidx
|
|
tidx = @lbox.nearest(0)
|
|
tidx += 1 if tidx > 0
|
|
end
|
|
unless bidx
|
|
bidx = @lbox.nearest(10000)
|
|
bidx -= 1 if bidx < @lbox.index('end') - 1
|
|
end
|
|
if cidx > bidx
|
|
_set_sel(bidx)
|
|
end
|
|
if cidx < tidx
|
|
_set_sel(tidx)
|
|
end
|
|
end
|
|
|
|
def _up_proc
|
|
cidx = @lbox.curselection[0]
|
|
idx = @lbox.nearest(0)
|
|
if idx >= 0
|
|
@lbox.see(idx - 1)
|
|
_set_sel(idx)
|
|
@up_arrow.pack_forget if idx == 1
|
|
@up_timer.stop if idx == 0
|
|
_show_down_arrow if @lbox.bbox('end') == []
|
|
end
|
|
if cidx && cidx > 0 && (idx == 0 || cidx == @lbox.nearest(10000))
|
|
_set_sel(cidx - 1)
|
|
end
|
|
end
|
|
|
|
def _down_proc
|
|
cidx = @lbox.curselection[0]
|
|
eidx = @lbox.index('end') - 1
|
|
idx = @lbox.nearest(10000)
|
|
if idx <= eidx
|
|
@lbox.see(idx + 1)
|
|
_set_sel(cidx + 1) if cidx < eidx
|
|
@down_arrow.pack_forget if idx + 1 == eidx
|
|
@down_timer.stop if idx == eidx
|
|
_show_up_arrow if @lbox.bbox(0) == []
|
|
end
|
|
if cidx && cidx < eidx && (eidx == idx || cidx == @lbox.nearest(0))
|
|
_set_sel(cidx + 1)
|
|
end
|
|
end
|
|
|
|
def _key_UP_proc
|
|
cidx = @lbox.curselection[0]
|
|
_set_sel(cidx = @lbox.index('activate')) unless cidx
|
|
cidx -= 1
|
|
if cidx == 0
|
|
@up_arrow.pack_forget
|
|
elsif cidx == @lbox.nearest(0)
|
|
@lbox.see(cidx - 1)
|
|
end
|
|
end
|
|
|
|
def _key_DOWN_proc
|
|
cidx = @lbox.curselection[0]
|
|
_set_sel(cidx = @lbox.index('activate')) unless cidx
|
|
cidx += 1
|
|
if cidx == @lbox.index('end') - 1
|
|
@down_arrow.pack_forget
|
|
elsif cidx == @lbox.nearest(10000)
|
|
@lbox.see(cidx + 1)
|
|
end
|
|
end
|
|
|
|
def _config_proc
|
|
if @lbox.size == 0
|
|
@up_arrow.pack_forget
|
|
@down_arrow.pack_forget
|
|
return
|
|
end
|
|
tidx = @lbox.nearest(0)
|
|
bidx = @lbox.nearest(10000)
|
|
if tidx > 0
|
|
_show_up_arrow
|
|
tidx += 1
|
|
else
|
|
@up_arrow.pack_forget unless @up_timer.running?
|
|
end
|
|
if bidx < @lbox.index('end') - 1
|
|
_show_down_arrow
|
|
bidx -= 1
|
|
else
|
|
@down_arrow.pack_forget unless @down_timer.running?
|
|
end
|
|
cidx = @lbox.curselection[0]
|
|
_check_sel(cidx, tidx, bidx) if cidx
|
|
end
|
|
|
|
def _init_binding
|
|
@up_timer = TkAfter.new(@interval, -1, proc{_up_proc})
|
|
@down_timer = TkAfter.new(@interval, -1, proc{_down_proc})
|
|
|
|
@up_timer.set_start_proc(@initwait, proc{})
|
|
@down_timer.set_start_proc(@initwait, proc{})
|
|
|
|
@up_arrow.bind('Enter', proc{@up_timer.start})
|
|
@up_arrow.bind('Leave', proc{@up_timer.stop if @up_arrow.winfo_mapped?})
|
|
@down_arrow.bind('Enter', proc{@down_timer.start})
|
|
@down_arrow.bind('Leave', proc{@down_timer.stop if @down_arrow.winfo_mapped?})
|
|
|
|
@lbox.bind('Configure', proc{_config_proc})
|
|
@lbox.bind('Enter', proc{|y| _set_sel(@lbox.nearest(y))}, '%y')
|
|
@lbox.bind('Motion', proc{|y|
|
|
@up_timer.stop if @up_timer.running?
|
|
@down_timer.stop if @down_timer.running?
|
|
_check_sel(@lbox.nearest(y))
|
|
}, '%y')
|
|
|
|
@lbox.bind('Up', proc{_key_UP_proc})
|
|
@lbox.bind('Down', proc{_key_DOWN_proc})
|
|
end
|
|
|
|
############################
|
|
public
|
|
############################
|
|
def scrollbar(mode)
|
|
if mode
|
|
@scr.pack(:side=>:right, :fill=>:y)
|
|
else
|
|
@scr.pack_forget
|
|
end
|
|
end
|
|
end
|
|
|
|
################################################
|
|
|
|
class Tk::RbWidget::Combobox < TkEntry
|
|
include TkComposite
|
|
|
|
@@down_btn_bmp = TkBitmapImage.new(:data=><<EOD)
|
|
#define down_arrow_width 11
|
|
#define down_arrow_height 11
|
|
static unsigned char down_arrow_bits[] = {
|
|
0x00, 0x00, 0xfe, 0x03, 0xfc, 0x01, 0xfc, 0x01, 0xf8, 0x00, 0xf8, 0x00,
|
|
0x70, 0x00, 0x70, 0x00, 0x20, 0x00, 0x20, 0x00, 0x00, 0x00};
|
|
EOD
|
|
|
|
@@up_btn_bmp = TkBitmapImage.new(:data=><<EOD)
|
|
#define up_arrow_width 11
|
|
#define up_arrow_height 11
|
|
static unsigned char up_arrow_bits[] = {
|
|
0x00, 0x00, 0x20, 0x00, 0x20, 0x00, 0x70, 0x00, 0x70, 0x00, 0xf8, 0x00,
|
|
0xf8, 0x00, 0xfc, 0x01, 0xfc, 0x01, 0xfe, 0x03, 0x00, 0x00};
|
|
EOD
|
|
|
|
def _button_proc(dir = true)
|
|
return if @ent.state == 'disabled'
|
|
@btn.relief(:sunken)
|
|
x = @frame.winfo_rootx
|
|
y = @frame.winfo_rooty
|
|
if dir
|
|
@top.geometry("+#{x}+#{y + @frame.winfo_height}")
|
|
else
|
|
@btn.image(@@up_btn_bmp)
|
|
@top.geometry("+#{x}+#{y - @top.winfo_reqheight}")
|
|
end
|
|
@top.deiconify
|
|
@lst.focus
|
|
|
|
if (idx = values.index(@ent.value))
|
|
@lst.see(idx - 1)
|
|
@lst.activate(idx)
|
|
@lst.selection_set(idx)
|
|
elsif @lst.size > 0
|
|
@lst.see(0)
|
|
@lst.activate(0)
|
|
@lst.selection_set(0)
|
|
end
|
|
@top.grab
|
|
|
|
begin
|
|
@wait_var.tkwait
|
|
if (idx = @wait_var.to_i) >= 0
|
|
# @ent.value = @lst.get(idx)
|
|
_set_entry_value(@lst.get(idx))
|
|
end
|
|
@top.withdraw
|
|
@btn.relief(:raised)
|
|
@btn.image(@@down_btn_bmp)
|
|
rescue
|
|
ensure
|
|
begin
|
|
@top.grab(:release)
|
|
@ent.focus
|
|
rescue
|
|
end
|
|
end
|
|
end
|
|
private :_button_proc
|
|
|
|
def _init_bindings
|
|
@btn.bind('1', proc{_button_proc(true)})
|
|
@btn.bind('3', proc{_button_proc(false)})
|
|
|
|
@lst.bind('1', proc{|y| @wait_var.value = @lst.nearest(y)}, '%y')
|
|
@lst.bind('Return', proc{@wait_var.value = @lst.curselection[0]})
|
|
|
|
cancel = TkVirtualEvent.new('2', '3', 'Escape')
|
|
@lst.bind(cancel, proc{@wait_var.value = -1})
|
|
end
|
|
private :_init_bindings
|
|
|
|
def _set_entry_value(val)
|
|
@ent.textvariable.value = val
|
|
end
|
|
private :_set_entry_value
|
|
|
|
#----------------------------------------------------
|
|
|
|
def _state_control(value = None)
|
|
if value == None
|
|
# get
|
|
@ent.state
|
|
else
|
|
# set
|
|
@ent.state(value.to_s)
|
|
case value = @ent.state # regulate 'state' string
|
|
when 'normal', 'readonly'
|
|
@btn.state 'normal'
|
|
when 'disabled'
|
|
@btn.state 'disabled'
|
|
else
|
|
# unknown : do nothing
|
|
end
|
|
end
|
|
end
|
|
private :_state_control
|
|
|
|
def __methodcall_optkeys # { key=>method, ... }
|
|
{'state' => :_state_control}
|
|
end
|
|
private :__methodcall_optkeys
|
|
|
|
#----------------------------------------------------
|
|
|
|
def _textvariable_control(var = None)
|
|
if var == None
|
|
# get
|
|
((var = @ent.textvariable) === @default_var)? nil: var
|
|
else
|
|
# set
|
|
@var = var
|
|
tk_send('configure', '-textvariable', (@var)? var: @default_var)
|
|
end
|
|
end
|
|
private :_textvariable_control
|
|
|
|
#----------------------------------------------------
|
|
|
|
def initialize_composite(keys={})
|
|
keys = _symbolkey2str(keys)
|
|
|
|
@btn = TkLabel.new(@frame, :relief=>:raised, :borderwidth=>2,
|
|
:image=>@@down_btn_bmp).pack(:side=>:right,
|
|
:ipadx=>2, :fill=>:y)
|
|
@ent = TkEntry.new(@frame).pack(:side=>:left)
|
|
@path = @ent.path
|
|
|
|
@top = TkToplevel.new(@btn, :borderwidth=>1, :relief=>:raised) {
|
|
withdraw
|
|
transient
|
|
overrideredirect(true)
|
|
}
|
|
|
|
startwait = keys.delete('startwait'){300}
|
|
interval = keys.delete('interval'){150}
|
|
@lst = Tk::RbWidget::AutoScrollListbox.new(@top, :scrollbar=>true,
|
|
:startwait=>startwait,
|
|
:interval=>interval)
|
|
@lst.pack(:fill=>:both, :expand=>true)
|
|
@ent_list = []
|
|
|
|
@wait_var = TkVariable.new
|
|
@var = @default_var = TkVariable.new
|
|
|
|
@ent.textvariable @default_var
|
|
|
|
_init_bindings
|
|
|
|
option_methods('textvariable' => :_textvariable_control)
|
|
|
|
delegate('DEFAULT', @ent)
|
|
delegate('height', @lst)
|
|
delegate('relief', @frame)
|
|
delegate('borderwidth', @frame)
|
|
|
|
delegate('arrowrelief', @lst)
|
|
delegate('arrowborderwidth', @lst)
|
|
|
|
delegate('state', false)
|
|
|
|
if mode = keys.delete('scrollbar')
|
|
scrollbar(mode)
|
|
end
|
|
|
|
configure keys unless keys.empty?
|
|
end
|
|
private :initialize_composite
|
|
|
|
def scrollbar(mode)
|
|
@lst.scrollbar(mode)
|
|
end
|
|
|
|
def _reset_width
|
|
len = @ent.width
|
|
@lst.get(0, 'end').each{|l| len = l.length if l.length > len}
|
|
@lst.width(len + 1)
|
|
end
|
|
private :_reset_width
|
|
|
|
def add(ent)
|
|
ent = ent.to_s
|
|
unless @ent_list.index(ent)
|
|
@ent_list << ent
|
|
@lst.insert('end', ent)
|
|
end
|
|
_reset_width
|
|
self
|
|
end
|
|
|
|
def remove(ent)
|
|
ent = ent.to_s
|
|
@ent_list.delete(ent)
|
|
if idx = @lst.get(0, 'end').index(ent)
|
|
@lst.delete(idx)
|
|
end
|
|
_reset_width
|
|
self
|
|
end
|
|
|
|
def values(ary = nil)
|
|
if ary
|
|
@lst.delete(0, 'end')
|
|
@ent_list.clear
|
|
ary.each{|ent| add(ent)}
|
|
_reset_width
|
|
self
|
|
else
|
|
@lst.get(0, 'end')
|
|
end
|
|
end
|
|
|
|
def see(idx)
|
|
@lst.see(@lst.index(idx) - 1)
|
|
end
|
|
|
|
def list_index(idx)
|
|
@lst.index(idx)
|
|
end
|
|
end
|
|
|
|
|
|
################################################
|
|
# test
|
|
################################################
|
|
if __FILE__ == $0
|
|
# e0 = Tk::RbWidget::Combobox.new.pack
|
|
# e0.values(%w(aa bb cc dd ee ff gg hh ii jj kk ll mm nn oo pp qq rr ss tt uu))
|
|
|
|
v = TkVariable.new
|
|
e = Tk::RbWidget::Combobox.new(:height=>7, :scrollbar=>true,
|
|
:textvariable=>v,
|
|
:arrowrelief=>:flat, :arrowborderwidth=>0,
|
|
:startwait=>400, :interval=>200).pack
|
|
e.values(%w(aa bb cc dd ee ff gg hh ii jj kk ll mm nn oo pp qq rr ss tt uu))
|
|
#e.see(e.list_index('end') - 2)
|
|
e.value = 'cc'
|
|
TkFrame.new{|f|
|
|
fnt = TkFont.new('Helvetica 10')
|
|
TkLabel.new(f, :font=>fnt, :text=>'TkCombobox value :').pack(:side=>:left)
|
|
TkLabel.new(f, :font=>fnt, :textvariable=>v).pack(:side=>:left)
|
|
}.pack
|
|
|
|
TkFrame.new(:relief=>:raised, :borderwidth=>2,
|
|
:height=>3).pack(:fill=>:x, :expand=>true, :padx=>5, :pady=>3)
|
|
|
|
l = Tk::RbWidget::AutoScrollListbox.new(nil, :relief=>:groove,
|
|
:borderwidth=>4,:height=>7,
|
|
:width=>20).pack(:fill=>:both,
|
|
:expand=>true)
|
|
(0..20).each{|i| l.insert('end', "line #{i}")}
|
|
|
|
TkFrame.new(:relief=>:ridge, :borderwidth=>3){
|
|
TkButton.new(self, :text=>'ON',
|
|
:command=>proc{l.scrollbar(true)}).pack(:side=>:left)
|
|
TkButton.new(self, :text=>'OFF',
|
|
:command=>proc{l.scrollbar(false)}).pack(:side=>:right)
|
|
pack(:fill=>:x)
|
|
}
|
|
Tk.mainloop
|
|
end
|