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