655 lines
19 KiB
Ruby
655 lines
19 KiB
Ruby
#
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# tkmultilistbox.rb : multiple listbox widget
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# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
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#
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require 'tk'
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class TkMultiListbox < TkListbox
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include TkComposite
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# lbox_height : height of listboxes (pixel)
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# title_info : array [ [<title_string>,<init_width>], ... ]
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# keys : hash {<option>=><value>, ... }
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def initialize_composite(lbox_height, title_info, keys={})
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# argument check
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if (! title_info.kind_of? Array) or (title_info.size < 2)
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raise
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end
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# decide total width
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@width_total = 0
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title_info.each{|title, width| @width_total += width.to_f}
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# virtical scrollbar
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@v_scroll = TkScrollbar.new(@frame, 'orient'=>'vertical')
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# init arrays
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@base_list = []
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@rel_list = []
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@title_list = []
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@lbox_list = []
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@hscr_list = []
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# rel-table of label=>index
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@name_index = {}
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# create base flames
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@f_title = TkFrame.new(@frame, 'width'=>@width_total)
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@f_lbox = TkFrame.new(@frame,
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'width'=>@width_total, 'height'=>lbox_height)
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@f_hscr = TkFrame.new(@frame, 'width'=>@width_total,
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'height'=>@v_scroll.cget('width') +
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2 * @v_scroll.cget('borderwidth'))
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# dummy label to keep the hight of title space
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TkLabel.new(@f_title, 'text'=>' ').pack
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# create each listbox
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sum = 0.0
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@rel_list << sum/@width_total
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title_info.each_with_index{|(label, width), idx|
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# set relation between label and index
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if @name_index.include?(label)
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@name_index[label] << idx
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else
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@name_index[label] = [idx]
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end
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# calculate relative positioning
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sum += width
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@rel_list << sum/@width_total
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# title field
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f = TkFrame.new(@f_title, 'width'=>width)
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base = [f]
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@title_list << TkLabel.new(f, 'text'=>label).pack('fill'=>'x')
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f.place('relx'=>@rel_list[idx], 'y'=>0, 'anchor'=>'nw', 'width'=>-6,
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'relwidth'=>@rel_list[idx+1] - @rel_list[idx])
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# listbox field
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f = TkFrame.new(@f_lbox, 'width'=>width)
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base << f
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@lbox_list << TkListbox.new(f).pack('fill'=>'both', 'expand'=>true)
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f.place('relx'=>@rel_list[idx], 'y'=>0, 'anchor'=>'nw', 'width'=>-4,
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'relwidth'=>@rel_list[idx+1] - @rel_list[idx], 'relheight'=>1.0)
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# scrollbar field
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f = TkFrame.new(@f_hscr, 'width'=>width)
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base << f
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@hscr_list << TkScrollbar.new(f, 'orient'=>'horizontal') .
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pack('fill'=>'x', 'anchor'=>'w')
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f.place('relx'=>@rel_list[idx], 'y'=>0, 'anchor'=>'nw', 'width'=>-4,
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'relwidth'=>@rel_list[idx+1] - @rel_list[idx])
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@lbox_list[idx].xscrollcommand proc{|first, last|
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@hscr_list[idx].set first, last
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}
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@hscr_list[idx].command proc{|*args| @lbox_list[idx].xview *args}
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# add new base
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@base_list << base
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}
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# create tab
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@tab_list = [nil]
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(1..(@rel_list.size - 2)).each{|idx|
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tab = TkFrame.new(@f_title, 'cursor'=>'sb_h_double_arrow',
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'width'=>6, 'borderwidth'=>2, 'relief'=>'raised')
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@tab_list << tab
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tab.place('relx'=>@rel_list[idx], 'anchor'=>'ne', 'relheight'=>0.95)
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tab.bind('Button-1',
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proc{|x| @x = x; @frame_width = TkWinfo.width(@f_title).to_f},
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'%X')
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tab.bind('B1-Motion', proc{|x, idx| resize(x, idx.to_i)}, "%X #{idx}")
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}
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# set control procedure for virtical scroll
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@lbox_list.each{|lbox|
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lbox.yscrollcommand proc{|first, last|
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@v_scroll.set first, last
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}
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}
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@v_scroll.command proc{|*args| @lbox_list.each{|lbox| lbox.yview *args} }
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# binding for listboxes
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@mode = {}
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@mode['browse'] = browse_mode_bindtag
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@mode['single'] = single_mode_bindtag
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@mode['extended'] = extended_mode_bindtag
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@mode['multiple'] = multiple_mode_bindtag
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@current_mode = 'browse'
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@lbox_list.each{|l|
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l.bind('Shift-Key-Left',
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proc{|w| focus_shift(w, -1); Tk.callback_break}, '%W')
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l.bind('Shift-Key-Right',
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proc{|w| focus_shift(w, 1); Tk.callback_break}, '%W')
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l.bind('Button-2', proc{|x, y|
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@lbox_mark_x = x
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@lbox_list.each{|lbox| lbox.scan_mark(x, y)}
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}, '%x %y')
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l.bind('B2-Motion', proc{|x, y|
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@lbox_list.each{|lbox| lbox.scan_dragto(@lbox_mark_x, y)}
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l.scan_dragto(x, y)
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}, '%x %y')
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l.bindtags(l.bindtags.unshift(@mode[@current_mode]))
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}
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# alignment
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TkGrid.rowconfigure(@frame, 0, 'weight'=>0)
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TkGrid.rowconfigure(@frame, 1, 'weight'=>1)
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TkGrid.rowconfigure(@frame, 2, 'weight'=>0)
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TkGrid.columnconfigure(@frame, 0, 'weight'=>1)
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TkGrid.columnconfigure(@frame, 1, 'weight'=>0)
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@v_scroll.grid('row'=>1, 'column'=>1, 'sticky'=>'ns')
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@f_title.grid('row'=>0, 'column'=>0, 'sticky'=>'news')
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@f_lbox.grid('row'=>1, 'column'=>0, 'sticky'=>'news')
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@f_hscr.grid('row'=>2, 'column'=>0, 'sticky'=>'ew')
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# binding for 'Configure' event
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@frame.bind('Configure', proc{reconstruct})
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# set default receiver of method calls
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@path = @lbox_list[0].path
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# configure options
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keys = {} unless keys
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keys = _symbolkey2str(keys)
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# 'mode' option of listboxes
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sel_mode = keys.delete('mode')
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mode(sel_mode) if sel_mode
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# 'scrollbarwidth' option == 'width' option of scrollbars
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width = keys.delete('scrollbarwidth')
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scrollbarwidth(width) if width
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# options for listbox titles
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title_font = keys.delete('titlefont')
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title_fg = keys.delete('titleforeground')
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title_bg = keys.delete('titlebackground')
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if title_font or title_fg or title_bg
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titleconfig(title_font, title_fg, title_bg)
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end
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# set receivers for configure methods
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delegate('DEFAULT', *@lbox_list)
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delegate('activebackground', @v_scroll, *@hscr_list)
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delegate('troughcolor', @v_scroll, *@hscr_list)
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delegate('repeatdelay', @v_scroll, *@hscr_list)
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delegate('repeatinterval', @v_scroll, *@hscr_list)
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delegate('borderwidth', @frame)
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delegate('relief', @frame)
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# configure
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configure(keys) if keys.size > 0
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end
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private :initialize_composite
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# set 'mode' option of listboxes
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def mode(sel_mode)
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@lbox_list.each{|l|
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tags = l.bindtags
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tags = tags - [ @mode[@current_mode] ]
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l.bindtags(tags.unshift(@mode[sel_mode]))
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@current_mode = sel_mode
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}
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end
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# set scrollbar width
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def scrollbarwidth(width)
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@v_scroll['width'] = width
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@hscr_list.each{|hscr| hscr['width'] = width}
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@f_hscr['height'] = width + 2 * @v_scroll.cget('borderwidth')
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end
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# set options of titles
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def titleconfig(font, fg, bg)
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keys = {}
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keys['font'] = font if font
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keys['foreground'] = fg if fg
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keys['background'] = bg if bg
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@title_list.each{|label| label.configure(keys)}
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end
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# get label widgets of listbox titles
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def titlelabels(*indices)
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@title_list[*indices]
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end
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# get listbox widgets
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def columns(*indices)
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@lbox_list[*indices]
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end
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def activate(idx)
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@lbox_list.each{|lbox| lbox.activate(idx)}
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end
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def bbox(idx)
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@lbox_list.collect{|lbox| lbox.bbox(idx)}
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end
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def delete(*idx)
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@lbox_list.collect{|lbox| lbox.delete(*idx)}
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end
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def get(*idx)
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if idx.size == 1
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@lbox_list.collect{|lbox| lbox.get(*idx)}
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else
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list = @lbox_list.collect{|lbox| lbox.get(*idx)}
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result = []
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list[0].each_with_index{|line, index|
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result << list.collect{|lines| lines[index]}
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}
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result
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end
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end
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def _line_array_to_hash(line)
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result = {}
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@name_index.each_pair{|label, indices|
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if indices.size == 1
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result[label] = line[indices[0]]
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else
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result[label] = indices.collect{|index| line[index]}
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end
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}
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result
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end
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private :_line_array_to_hash
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def get_by_hash(*idx)
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get_result = get(*idx)
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if idx.size == 1
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_line_array_to_hash(get_result)
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else
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get_result.collect{|line| _line_array_to_hash(line)}
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end
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end
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def insert(idx, *lines)
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lbox_ins = []
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(0..@lbox_list.size).each{lbox_ins << []}
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lines.each{|line|
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if line.kind_of? Hash
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array = []
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@name_index.each_pair{|label, indices|
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if indices.size == 1
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array[indices[0]] = line[label]
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else
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if line[label].kind_of? Array
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indices.each_with_index{|index, num|
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array[index] = line[label][num]
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}
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else
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array[indices[0]] = line[label]
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end
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end
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}
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line = array
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end
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@name_index.each_pair{|label, indices|
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if indices.size == 1
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lbox_ins[indices[0]] << line[indices[0]]
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else
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indices.each{|index| lbox_ins[index] << line[index]}
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end
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}
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}
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@lbox_list.each_with_index{|lbox, index|
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lbox.insert(idx, *lbox_ins[index]) if lbox_ins[index]
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}
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end
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def selection_anchor(index)
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@lbox_list.each{|lbox| lbox.selection_anchor(index)}
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end
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def selection_clear(first, last=None)
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@lbox_list.each{|lbox| lbox.selection_clear(first, last=None)}
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end
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def selection_set(first, last=None)
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@lbox_list.each{|lbox| lbox.selection_set(first, last=None)}
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end
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###########################################
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private
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def reconstruct
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(0..(@rel_list.size - 2)).each{|idx|
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title, lbox, hscr = @base_list[idx]
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title.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx])
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lbox.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx],
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'relheight'=>1.0)
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hscr.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx])
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tab = @tab_list[idx]
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tab.place('relx'=>@rel_list[idx]) if tab
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}
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end
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def resize(x, idx)
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# adjustment of relative positioning
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delta = (x - @x) / @frame_width
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if delta < @rel_list[idx-1] - @rel_list[idx] + 0.02
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delta = @rel_list[idx-1] - @rel_list[idx] + 0.02
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elsif delta > @rel_list[idx+1] - @rel_list[idx] - 0.02
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delta = @rel_list[idx+1] - @rel_list[idx] - 0.02
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end
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@rel_list[idx] += delta
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# adjustment of leftside widget of the tab
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title, lbox, hscr = @base_list[idx - 1]
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title.place('relwidth'=>@rel_list[idx] - @rel_list[idx-1])
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lbox.place('relwidth'=>@rel_list[idx] - @rel_list[idx-1], 'relheight'=>1.0)
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hscr.place('relwidth'=>@rel_list[idx] - @rel_list[idx-1])
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# adjustment of the tab position
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@tab_list[idx].place('relx'=>@rel_list[idx])
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# adjustment of rightside widget of the tab
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title, lbox, hscr = @base_list[idx]
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title.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx],
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'relx'=>@rel_list[idx])
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lbox.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx],
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'relx'=>@rel_list[idx], 'relheight'=>1.0)
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hscr.place('relwidth'=>@rel_list[idx+1] - @rel_list[idx],
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'relx'=>@rel_list[idx])
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# update reference position
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@x = x
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end
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#################################
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def browse_mode_bindtag
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t = TkBindTag.new
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t.bind('Button-1',
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proc{|w, y| w.focus; select_line(w, w.nearest(y))}, '%W %y')
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t.bind('B1-Motion', proc{|w, y| select_line(w, w.nearest(y))}, '%W %y')
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t.bind('Shift-Button-1',
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proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
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t.bind('Key-Up', proc{|w| select_shift(w, -1)}, '%W')
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t.bind('Key-Down', proc{|w| select_shift(w, 1)}, '%W')
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t.bind('Control-Home', proc{|w| select_line(w, 0)}, '%W')
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t.bind('Control-End', proc{|w| select_line(w, 'end')}, '%W')
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t.bind('space', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
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t.bind('Select', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
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t.bind('Control-slash',
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proc{|w| select_line(w, w.index('active').to_i)}, '%W')
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t
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end
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########################
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def single_mode_bindtag
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t = TkBindTag.new
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t.bind('Button-1',
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proc{|w, y| w.focus; select_only(w, w.nearest(y))}, '%W %y')
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t.bind('ButtonRelease-1',
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proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
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t.bind('Shift-Button-1',
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proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
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t.bind('Key-Up', proc{|w| select_shift(w, -1)}, '%W')
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t.bind('Key-Down', proc{|w| select_shift(w, 1)}, '%W')
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t.bind('Control-Home', proc{|w| select_line(w, 0)}, '%W')
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t.bind('Control-End', proc{|w| select_line(w, 'end')}, '%W')
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t.bind('space', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
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t.bind('Select', proc{|w| select_line(w, w.index('active').to_i)}, '%W')
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t.bind('Control-slash',
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proc{|w| select_line(w, w.index('active').to_i)}, '%W')
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t.bind('Control-backslash',
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proc{@lbox_list.each{|l| l.selection_clear(0, 'end')}})
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t
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end
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########################
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def extended_mode_bindtag
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t = TkBindTag.new
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t.bind('Button-1',
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proc{|w, y| w.focus; select_only(w, w.nearest(y))}, '%W %y')
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t.bind('B1-Motion', proc{|w, y| select_range(w, w.nearest(y))}, '%W %y')
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t.bind('ButtonRelease-1',
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proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
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t.bind('Shift-Button-1',
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proc{|w, y| select_range(w, w.nearest(y))}, '%W %y')
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t.bind('Shift-B1-Motion',
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proc{|w, y| select_range(w, w.nearest(y))}, '%W %y')
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t.bind('Control-Button-1',
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proc{|w, y| select_toggle(w, w.nearest(y))}, '%W %y')
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t.bind('Control-B1-Motion',
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proc{|w, y| select_drag(w, w.nearest(y))}, '%W %y')
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t.bind('Key-Up', proc{|w| active_shift(w, -1)}, '%W')
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t.bind('Key-Down', proc{|w| active_shift(w, 1)}, '%W')
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t.bind('Shift-Up', proc{|w| select_expand(w, -1)}, '%W')
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t.bind('Shift-Down', proc{|w| select_expand(w, 1)}, '%W')
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t.bind('Control-Home', proc{|w| select_line2(w, 0)}, '%W')
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t.bind('Control-End', proc{|w| select_line2(w, 'end')}, '%W')
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t.bind('Control-Shift-Home', proc{|w| select_range(w, 0)}, '%W')
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t.bind('Control-Shift-End', proc{|w| select_range(w, 'end')}, '%W')
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t.bind('space', proc{|w| select_active(w)}, '%W')
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t.bind('Select', proc{|w| select_active(w)}, '%W')
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t.bind('Control-slash', proc{|w| select_all}, '%W')
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t.bind('Control-backslash', proc{|w| clear_all}, '%W')
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t
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end
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########################
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def multiple_mode_bindtag
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t = TkBindTag.new
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t.bind('Button-1',
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proc{|w, y| w.focus; select_line3(w, w.nearest(y))}, '%W %y')
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t.bind('ButtonRelease-1',
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proc{|w, y| active_line(w, w.nearest(y))}, '%W %y')
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|
|
t.bind('Key-Up', proc{|w| active_shift(w, -1)}, '%W')
|
|
t.bind('Key-Down', proc{|w| active_shift(w, 1)}, '%W')
|
|
|
|
t.bind('Control-Home', proc{|w| select_line2(w, 0)}, '%W')
|
|
t.bind('Control-End', proc{|w| select_line2(w, 'end')}, '%W')
|
|
|
|
t.bind('Control-Shift-Home', proc{|w| active_line(w, 0)}, '%W')
|
|
t.bind('Control-Shift-End', proc{|w| active_line(w, 'end')}, '%W')
|
|
|
|
t.bind('space', proc{|w| select_active(w)}, '%W')
|
|
t.bind('Select', proc{|w| select_active(w)}, '%W')
|
|
t.bind('Control-slash', proc{|w| select_all}, '%W')
|
|
t.bind('Control-backslash', proc{|w| clear_all}, '%W')
|
|
|
|
t
|
|
end
|
|
|
|
########################
|
|
def active_line(w, idx)
|
|
@lbox_list.each{|l| l.activate(idx)}
|
|
end
|
|
|
|
def select_only(w, idx)
|
|
@lbox_list.each{|l|
|
|
l.selection_clear(0, 'end')
|
|
l.selection_anchor(idx)
|
|
l.selection_set('anchor')
|
|
}
|
|
end
|
|
|
|
def select_range(w, idx)
|
|
@lbox_list.each{|l|
|
|
l.selection_clear(0, 'end')
|
|
l.selection_set('anchor', idx)
|
|
}
|
|
end
|
|
|
|
def select_toggle(w, idx)
|
|
st = w.selection_includes(idx)
|
|
@lbox_list.each{|l|
|
|
l.selection_anchor(idx)
|
|
if st == 1
|
|
l.selection_clear(idx)
|
|
else
|
|
l.selection_set(idx)
|
|
end
|
|
}
|
|
end
|
|
|
|
def select_drag(w, idx)
|
|
st = w.selection_includes('anchor')
|
|
@lbox_list.each{|l|
|
|
if st == 1
|
|
l.selection_set('anchor', idx)
|
|
else
|
|
l.selection_clear('anchor', idx)
|
|
end
|
|
}
|
|
end
|
|
|
|
def select_line(w, idx)
|
|
@lbox_list.each{|l|
|
|
l.selection_clear(0, 'end')
|
|
l.activate(idx)
|
|
l.selection_anchor(idx)
|
|
l.selection_set('anchor')
|
|
}
|
|
w.selection_set('anchor')
|
|
end
|
|
|
|
def select_line2(w, idx)
|
|
@lbox_list.each{|l|
|
|
l.activate(idx)
|
|
l.selection_anchor(idx)
|
|
l.selection_set('anchor')
|
|
}
|
|
end
|
|
|
|
def select_line3(w, idx)
|
|
@lbox_list.each{|l|
|
|
l.selection_set(idx)
|
|
}
|
|
end
|
|
|
|
def select_active(w)
|
|
idx = l.activate(idx)
|
|
@lbox_list.each{|l|
|
|
l.selection_set(idx)
|
|
}
|
|
end
|
|
|
|
def select_expand(w, dir)
|
|
idx = w.index('active').to_i + dir
|
|
if idx < 0
|
|
idx = 0
|
|
elsif idx >= w.size
|
|
idx = w.size - 1
|
|
end
|
|
@lbox_list.each{|l|
|
|
l.activate(idx)
|
|
l.selection_set(idx)
|
|
}
|
|
end
|
|
|
|
def active_shift(w, dir)
|
|
idx = w.index('active').to_i + dir
|
|
if idx < 0
|
|
idx = 0
|
|
elsif idx >= w.size
|
|
idx = w.size - 1
|
|
end
|
|
@lbox_list.each{|l|
|
|
l.activate(idx)
|
|
l.selection_anchor(idx)
|
|
}
|
|
end
|
|
|
|
def select_shift(w, dir)
|
|
idx = w.index('anchor').to_i + dir
|
|
if idx < 0
|
|
idx = 0
|
|
elsif idx >= w.size
|
|
idx = w.size - 1
|
|
end
|
|
@lbox_list.each{|l|
|
|
l.selection_clear(0, 'end')
|
|
l.activate(idx)
|
|
l.selection_anchor(idx)
|
|
l.selection_set('anchor')
|
|
}
|
|
end
|
|
|
|
def select_all
|
|
@lbox_list.each{|l|
|
|
l.selection_set(0, 'end')
|
|
}
|
|
end
|
|
|
|
def clear_all
|
|
@lbox_list.each{|l|
|
|
l.selection_clear(0, 'end')
|
|
}
|
|
end
|
|
|
|
def focus_shift(w, dir)
|
|
idx = @lbox_list.index(w) + dir
|
|
return if idx < 0
|
|
return if idx >= @lbox_list.size
|
|
@lbox_list[idx].focus
|
|
end
|
|
########################
|
|
end
|
|
|
|
################################################
|
|
# test
|
|
################################################
|
|
if __FILE__ == $0
|
|
f = TkFrame.new(nil, 'width'=>300,
|
|
'height'=>200).pack('fill'=>'both', 'expand'=>'true')
|
|
#f = TkFrame.new.pack('fill'=>'both', 'expand'=>'true')
|
|
l = TkMultiListbox.new(f, 150,
|
|
[ ['L1', 100],
|
|
['L2', 200],
|
|
['L3', 50] ],
|
|
'titlefont'=>'courier',
|
|
'titleforeground'=>'yellow',
|
|
'titlebackground'=>'navy'
|
|
).pack('fill'=>'both', 'expand'=>true)
|
|
l.insert('end', [1,2,3])
|
|
l.insert('end', [4,5,6])
|
|
l.insert('end', [4,5,6], [4,5,6])
|
|
l.insert('end', ['aaaaaaaaaaaaaaa','bbbbbbbbbbbbbb','ccccccccccccccccc'])
|
|
l.insert('end', [1,2,3])
|
|
l.insert('end', [4,5,6], [4,5,6])
|
|
l.insert('end', ['aaaaaaaaaaaaaaa','bbbbbbbbbbbbbb','ccccccccccccccccc'])
|
|
l.insert('end', [1,2,3])
|
|
l.insert('end', [4,5,6], [4,5,6])
|
|
l.insert('end', ['aaaaaaaaaaaaaaa','bbbbbbbbbbbbbb','ccccccccccccccccc'])
|
|
l.insert('end', [1,2,3])
|
|
l.insert('end', [4,5,6], [4,5,6])
|
|
p l.columns(1)
|
|
p l.columns(1..3)
|
|
p l.columns(1,2)
|
|
Tk.mainloop
|
|
end
|