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+#!/usr/bin/env ruby
+
+require 'tk'
+require 'tkextlib/treectrl'
+
+$ScriptDir = File.dirname(File.expand_path(__FILE__))
+
+$HasColumnCreate = Tk::TreeCtrl::HasColumnCreateCommand
+
+$Version_1_1_OrLater = (TkPackage.vcompare(Tk::TreeCtrl.package_version, '1.1') >= 0)
+
+if Hash.instance_methods.include?('key')
+ # probably ruby 1.9.x --> use Hash#key
+ # Because Hash#index show warning "Hash#index is deprecated; use Hash#key".
+else
+ # probably ruby 1.8.x --> use Hash#index
+ class Hash
+ alias key index
+ end
+end
+
+class TkTreeCtrl_demo
+ def initialize(dir)
+ @ScriptDir = dir || '.'
+
+ @thisPlatform = Tk::PLATFORM['platform']
+ if @thisPlatform == 'unix' && Tk.windowingsystem == 'aqua'
+ @thisPlatform = 'macosx'
+ end
+
+ @RandomN = [500]
+
+ @images = Hash.new
+ @sel_images = Hash.new
+
+ @popup = Hash.new
+ @mTree = Hash.new
+ @mHeader = Hash.new
+
+ @non_clear_list = []
+
+ @demoCmd = Hash.new
+ @demoFile = Hash.new
+
+ # Get default colors
+ w = TkListbox.new
+ @SystemButtonFace = w[:highlightbackground]
+ @SystemHighlight = w[:selectbackground]
+ @SystemHighlightText = w[:selectforeground]
+ w.destroy
+
+ ####################
+
+ make_source_window()
+ make_menubar()
+ make_main_window()
+
+ if $Version_1_1_OrLater
+ begin
+ @tree2[:backgroundimage]
+ @has_bgimg = true
+ rescue
+ @has_bgimg = false
+ end
+ else
+ @has_bgimg = false
+ end
+
+ ####################
+
+ make_list_popup()
+ make_header_popup()
+
+ init_pics('sky')
+
+ ####################
+
+ @tree2.bind('ButtonPress-3',
+ proc{|w, x, y, rootx, rooty|
+ show_list_popup(w, x, y, rootx, rooty)
+ }, '%W %x %y %X %Y')
+
+ # Allow "scan" bindings
+ if @thisPlatform == 'windows'
+ @tree2.bind_remove('Control-ButtonPress-3')
+ end
+
+ ####################
+
+ init_demo_scripts_module()
+ load_demo_scripts()
+ init_demo_list()
+
+ ####################
+
+ @tree1.notify_bind(@tree1, 'Selection',
+ proc{|c, t|
+ if c == 1
+ item = t.selection_get[0]
+ demo_set(@demoCmd[item], @demoFile[item])
+ end
+ }, '%c %T')
+
+ # When one item is selected in the demo list, display the styles in
+ # that item.
+ # See DemoClear for why the tag "DontDelete" is used
+ @tree2.notify_bind('DontDelete', 'Selection',
+ proc{|c, t|
+ display_styles_in_item(t.selection_get[0]) if c == 1
+ }, '%c %T')
+ end
+
+ ##########################
+
+ def init_pics(*args)
+ args.each{|pat|
+ unless TkImage.names.find{|img| (name = @images.key(img)) && File.fnmatch(pat, name)}
+ Dir.glob(File.join(@ScriptDir, 'pics', "#{pat}.gif")).each{|file|
+ name = File.basename(file, '.gif')
+ img = TkPhotoImage.new(:file=>file)
+ @images[name] = img
+ @sel_images[name] = TkPhotoImage.new
+ @sel_images[name].copy(img)
+ Tk::TreeCtrl.image_tint(@sel_images[name], @SystemHighlight, 128)
+ }
+ end
+ }
+ end
+
+ ##########################
+
+ private
+
+ def make_menubar
+ menuspec = [
+ [['File']]
+ ]
+ if Tk::PLATFORM['platform'] != 'unix'
+ TkConsole.create
+ TkConsole.eval('.console conf -height 8')
+ menuspec[0] << ['Console', proc{
+ if TkComm.bool(TkConsole.eval('winfo ismapped .'))
+ TkConsole.hide
+ else
+ TkConsole.show
+ end
+ }]
+ end
+ menuspec[0] << ['View Source', proc{toggle_source_window()}]
+ menuspec[0] << ['Quit', proc{exit}]
+ Tk.root.add_menubar(menuspec)
+ end
+
+ def make_source_window
+ @src_top = TkToplevel.new
+ f = TkFrame.new(@src_top, :borderwidth=>0)
+ case @thisPlatform
+ when 'macintosh', 'macos'
+ font = TkFont.new(['Geneva', 9])
+ when 'unix'
+ font = TkFont.new(['Courier', -12])
+ else
+ font = TkFont.new(['Courier', 9])
+ end
+
+ @src_txt = TkText.new(f, :font=>font, :tabs=>font.measure('1234'),
+ :wrap=>:none)
+ xscr = @src_txt.xscrollbar(TkScrollbar.new(f))
+ yscr = @src_txt.yscrollbar(TkScrollbar.new(f))
+
+ f.pack(:expand=>true, :fill=>:both)
+ f.grid_columnconfigure(0, :weight=>1)
+ f.grid_rowconfigure(0, :weight=>1)
+ @src_txt.grid(:row=>0, :column=>0, :sticky=>:news)
+ xscr.grid(:row=>1, :column=>0, :sticky=>:we)
+ yscr.grid(:row=>0, :column=>1, :sticky=>:ns)
+
+ @src_top.protocol('WM_DELETE_WINDOW', proc{@src_top.withdraw})
+ @src_top.geometry('-0+0')
+ @src_top.withdraw
+ end
+
+ def show_source(file)
+ @src_top.title("Demo Source: #{file}")
+ @src_txt.value = IO.read(File.join(@ScriptDir, file))
+ @src_txt.set_insert('1.0')
+ end
+
+ def toggle_source_window
+ if @src_top.winfo_mapped?
+ @src_top.withdraw
+ else
+ @src_top.deiconify
+ end
+ end
+
+ def tree_plus_scrollbars_in_a_frame(parent, h, v)
+ f = TkFrame.new(parent, :borderwidth=>1, :relief=>:sunken)
+ case @thisPlatform
+ when 'macintosh'
+ font = TkFont.new(['Geneva', 9])
+ when 'macos'
+ font = TkFont.new(['Lucida Grande', 11])
+ when 'unix'
+ font = TkFont.new(['Helvetica', -12])
+ else
+ # There is a bug on my Win98 box with Tk_MeasureChars() and
+ # MS Sans Serif 8.
+ font = TkFont.new(['MS Sans', 8])
+ end
+
+ tree = Tk::TreeCtrl.new(f, :highlightthickness=>0,
+ :borderwidth=>0, :font=>font)
+ tree[:xscrollincrement] = 20
+ tree.debug_configure(:enable=>false, :display=>false)
+
+ if h
+ h_scr = TkScrollbar.new(f, :orient=>:horizontal,
+ :command=>proc{|*args| tree.xview(*args)})
+ tree.notify_bind(h_scr, 'Scroll-x',
+ proc{|w, l, u| w.set(l, u)}, '%W %l %u')
+ h_scr.bind('ButtonPress-1', proc{tree.set_focus})
+ end
+
+ if v
+ v_scr = TkScrollbar.new(f, :orient=>:vertical,
+ :command=>proc{|*args| tree.yview(*args)})
+ tree.notify_bind(v_scr, 'Scroll-y',
+ proc{|w, l, u| w.set(l, u)}, '%W %l %u')
+ v_scr.bind('ButtonPress-1', proc{tree.set_focus})
+ end
+
+ f.grid_columnconfigure(0, :weight=>1)
+ f.grid_rowconfigure(0, :weight=>1)
+ tree.grid(:row=>0, :column=>0, :sticky=>:news)
+ h_scr.grid(:row=>1, :column=>0, :sticky=>:we) if h
+ v_scr.grid(:row=>0, :column=>1, :sticky=>:ns) if v
+
+ [f, tree]
+ end
+
+ def make_main_window
+ Tk.root.title('Tk::TreeCtrl Demo')
+
+ case @thisPlatform
+ when 'macintosh', 'macosx'
+ Tk.root.geometry('+40+40')
+ else
+ Tk.root.geometry('+0+30')
+ end
+
+ pane1 = TkPanedWindow.new(:orient=>:vertical, :borderwidth=>0)
+ pane2 = TkPanedWindow.new(:orient=>:horizontal, :borderwidth=>0)
+
+ # Tree + scrollbar: demos
+ f1, @tree1 = tree_plus_scrollbars_in_a_frame(nil, false, true)
+ @tree1.configure(:showbuttons=>false, :showlines=>:false,
+ :showroot=>false, :height=>100)
+ if $HasColumnCreate
+ @tree1.column_create(:text=>'List of Demos',
+ :expand=>true, :button=>false)
+ else
+ @tree1.column_configure(0, :text=>'List of Demos',
+ :expand=>true, :button=>false)
+ end
+
+ # Tree + scrollbar: styles + elements in list
+ f4, @tree4 = tree_plus_scrollbars_in_a_frame(nil, false, true)
+ @tree4.configure(:showroot=>false, :height=>140)
+ if $HasColumnCreate
+ @tree4.column_create(:text=>'Elements and Styles',
+ :expand=>true, :button=>false)
+ else
+ @tree4.column_configure(0, :text=>'Elements and Styles',
+ :expand=>true, :button=>false)
+ end
+
+ # Tree + scrollbar: styles + elements in selected item
+ f3, @tree3 = tree_plus_scrollbars_in_a_frame(nil, false, true)
+ @tree3.configure(:showroot=>false)
+ if $HasColumnCreate
+ @tree3.column_create(:text=>'Styles in Item',
+ :expand=>true, :button=>false)
+ else
+ @tree3.column_configure(0, :text=>'Styles in Item',
+ :expand=>true, :button=>false)
+ end
+
+ pane1.add(f1, f4, f3, :height=>150)
+ pane1.pack(:expand=>true, :fill=>:both)
+
+ # Frame on right
+ f2_base = TkFrame.new
+
+ # Tree + scrollbars
+ f2, @tree2 = tree_plus_scrollbars_in_a_frame(f2_base, true, true)
+ @tree2.configure(:indent=>19)
+ @tree2.debug_configure(:enable=>false, :display=>true,
+ :erasecolor=>'pink', :displaydelay=>30)
+
+ # Give it a big border to debug drawing
+ @tree2.configure(:borderwidth=>6, :relief=>:ridge, :highlightthickness=>3)
+
+ f2_base.grid_columnconfigure(0, :weight=>1)
+ f2_base.grid_rowconfigure(0, :weight=>1)
+ f2.grid(:row=>0, :column=>0, :sticky=>:news, :pady=>0)
+
+ pane2.add(pane1, :width=>200)
+ pane2.add(f2_base, :width=>450)
+
+ pane2.pack(:expand=>true, :fill=>:both)
+
+ ###
+ # A treectrl widget can generate the following built-in events:
+ # <ActiveItem> called when the active item changes
+ # <Collapse-before> called before an item is closed
+ # <Collapse-after> called after an item is closed
+ # <Expand-before> called before an item is opened
+ # <Expand-after> called after an item is opened
+ # <Selection> called when items are added to or removed from the selection
+ # <Scroll-x> called when horizontal scroll position changes
+ # <Scroll-y> called when vertical scroll position changes
+ #
+ # The application programmer can define custom events to be
+ # generated by the "T notify generate" command. The following events
+ # are generated by the example bindings.
+
+ @tree2.notify_install_event('Header')
+ @tree2.notify_install_detail('Header', 'invoke')
+
+ @tree2.notify_install_event('Drag')
+ @tree2.notify_install_detail('Drag', 'begin')
+ @tree2.notify_install_detail('Drag', 'end')
+ @tree2.notify_install_detail('Drag', 'receive')
+
+ @tree2.notify_install_event('Edit')
+ @tree2.notify_install_detail('Edit', 'accept')
+ end
+
+ def make_list_popup
+ @popup[:bgimg] = TkVariable.new
+ @popup[:bgmode] = TkVariable.new
+ @popup[:debug] = Hash.new{|h, k| h[k] = TkVariable.new}
+ @popup[:doublebuffer] = TkVariable.new
+ @popup[:linestyle] = TkVariable.new
+ @popup[:orient] = TkVariable.new
+ @popup[:selectmode] = TkVariable.new
+ @popup[:show] = Hash.new{|h, k| h[k] = TkVariable.new}
+
+ menuspec = [
+ [ 'Collapse', [], nil, '', {:menu_config=>{:tearoff=>false}} ],
+
+ [ 'Expand', [], nil, '', {:menu_config=>{:tearoff=>false}} ]
+ ]
+
+ # if $Version_1_1_OrLater
+ if @has_bgimg
+ menuspec << \
+ [ 'Background Image',
+ [
+ [ 'none', [@popup[:bgimg], 'none'], nil, '',
+ {:command=>proc{@tree2.backgroundimage = ''}} ],
+ [ 'sky', [@popup[:bgimg], 'sky'], nil, '',
+ {:command=>proc{
+ @tree2.backgroundimage = @images[@popup[:bgimg].value]}} ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ]
+ end
+
+ menuspec.concat([
+ [ 'Background Mode',
+ %w(column index row visindex).collect{|val|
+ [ val, [@popup[:bgmode], val] , nil, '',
+ {:command=>proc{@tree2.backgroundmode = @popup[:bgmode].value}} ]
+ },
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Debug',
+ [
+ [ 'Data', @popup[:debug][:data], nil, '',
+ {:command=>proc{
+ @tree2.debug_configure(:data=>@popup[:debug][:data].value)
+ }
+ } ],
+ [ 'Display', @popup[:debug][:display], nil, '',
+ {:command=>proc{
+ @tree2.debug_configure(:display=>@popup[:debug][:display].value)
+ }
+ } ],
+ [ 'Enable', @popup[:debug][:enable], nil, '',
+ {:command=>proc{
+ @tree2.debug_configure(:enable=>@popup[:debug][:enable].value)
+ }
+ } ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Buffering',
+ [
+ [ 'none', [@popup[:doublebuffer], 'none'], nil, '',
+ {:command=>proc{
+ @tree2.doublebuffer = @popup[:doublebuffer].value
+ }
+ } ],
+ [ 'item', [@popup[:doublebuffer], 'item'], nil, '',
+ {:command=>proc{
+ @tree2.doublebuffer = @popup[:doublebuffer].value
+ }
+ } ],
+ [ 'window', [@popup[:doublebuffer], 'window'], nil, '',
+ {:command=>proc{
+ @tree2.doublebuffer = @popup[:doublebuffer].value
+ }
+ } ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Line style',
+ [
+ [ 'dot', [@popup[:linestyle], 'dot'], nil, '',
+ {:command=>proc{@tree2.linestyle = @popup[:linestyle].value}} ],
+ [ 'solid', [@popup[:linestyle], 'solid'], nil, '',
+ {:command=>proc{@tree2.linestyle = @popup[:linestyle].value}} ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Orient',
+ [
+ [ 'Horizontal', [@popup[:orient], 'horizontal'], nil, '',
+ {:command=>proc{@tree2.orient = @popup[:orient].value}} ],
+ [ 'Vertical', [@popup[:orient], 'vertical'], nil, '',
+ {:command=>proc{@tree2.orient = @popup[:orient].value}} ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Selectmode',
+ %w(list browse extended multiple single).collect{|val|
+ [ val, [@popup[:selectmode], val] , nil, '',
+ {:command=>proc{@tree2.selectmode = @popup[:selectmode].value}} ]
+ },
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Show',
+ [
+ [ 'Buttons', @popup[:show][:buttons], nil, '',
+ {:command=>proc{
+ @tree2.showbuttons = @popup[:show][:buttons].value
+ }
+ } ],
+ [ 'Header', @popup[:show][:header], nil, '',
+ {:command=>proc{
+ @tree2.showheader = @popup[:show][:header].value
+ }
+ } ],
+ [ 'Lines', @popup[:show][:lines], nil, '',
+ {:command=>proc{
+ @tree2.showlines = @popup[:show][:lines].value
+ }
+ } ],
+ [ 'Root', @popup[:show][:root], nil, '',
+ {:command=>proc{
+ @tree2.showroot = @popup[:show][:root].value
+ }
+ } ],
+ [ 'Root Button', @popup[:show][:rootbutton], nil, '',
+ {:command=>proc{
+ @tree2.showrootbutton = @popup[:show][:rootbutton].value
+ }
+ } ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}}
+ ],
+
+ [ 'Visible', [], nil, '', {:menu_config=>{:tearoff=>false}} ]
+ ])
+
+ m = TkMenu.new_menuspec(menuspec, @tree2, false)
+ @non_clear_list << m
+ @mTree[@tree2] = m
+ end
+
+ def show_list_popup(w, x, y, rootx, rooty)
+ id = w.identify(x, y)
+ unless id.empty?
+ if id[0] == 'header'
+ col = id[1]
+ @popup[:column].value = col
+ @popup[:arrow].value = w.column_cget(col, :arrow)
+ @popup[:arrowside].value = w.column_cget(col, :arrowside)
+ @popup[:arrowgravity].value = w.column_cget(col, :arrowgravity)
+ @popup[:expand].value = w.column_cget(col, :expand)
+ @popup[:squeeze].value = w.column_cget(col, :squeeze)
+ @popup[:justify].value = w.column_cget(col, :justify)
+ @mHeader[w].popup(rootx, rooty)
+ return
+ end
+ end
+
+ m = @mTree[w].entrycget('Collapse', :menu)
+ m.delete(0, :end)
+ if $Version_1_1_OrLater
+ m.add_command(:label=>'All', :command=>proc{w.item_collapse(:all)})
+ else
+ m.add_command(:label=>'All', :command=>proc{w.collapse(:all)})
+ end
+ unless id.empty?
+ if id[0] == 'item'
+ item = id[1]
+ if $Version_1_1_OrLater
+ m.add_command(:label=>"Item #{item}",
+ :command=>proc{w.item_collapse(item)})
+ m.add_command(:label=>"Item #{item} (recurse)",
+ :command=>proc{w.item_collapse_recurse(item)})
+ else
+ m.add_command(:label=>"Item #{item}",
+ :command=>proc{w.collapse(item)})
+ m.add_command(:label=>"Item #{item} (recurse)",
+ :command=>proc{w.collapse_recurse(item)})
+ end
+ end
+ end
+
+ m = @mTree[w].entrycget('Expand', :menu)
+ m.delete(0, :end)
+ if $Version_1_1_OrLater
+ m.add_command(:label=>'All', :command=>proc{w.item_expand(:all)})
+ else
+ m.add_command(:label=>'All', :command=>proc{w.expand(:all)})
+ end
+ unless id.empty?
+ if id[0] == 'item'
+ item = id[1]
+ if $Version_1_1_OrLater
+ m.add_command(:label=>"Item #{item}",
+ :command=>proc{w.item_expand(item)})
+ m.add_command(:label=>"Item #{item} (recurse)",
+ :command=>proc{w.item_expand_recurse(item)})
+ else
+ m.add_command(:label=>"Item #{item}",
+ :command=>proc{w.expand(item)})
+ m.add_command(:label=>"Item #{item} (recurse)",
+ :command=>proc{w.expand_recurse(item)})
+ end
+ end
+ end
+
+ [:data, :display, :enable].each{|k|
+ @popup[:debug][k].value = w.debug_cget(k)
+ }
+ # if $Version_1_1_OrLater
+ if @has_bgimg
+ @popup[:bgimg].value = @images.key(w[:backgroundimage])
+ end
+ @popup[:bgmode].value = w[:backgroundmode]
+ @popup[:doublebuffer].value = w[:doublebuffer]
+ @popup[:linestyle].value = w[:linestyle]
+ @popup[:orient].value = w[:orient]
+ @popup[:selectmode].value = w[:selectmode]
+ @popup[:show][:buttons].value = w[:showbuttons]
+ @popup[:show][:header].value = w[:showheader]
+ @popup[:show][:lines].value = w[:showlines]
+ @popup[:show][:root].value = w[:showroot]
+ @popup[:show][:rootbutton].value = w[:showrootbutton]
+
+ m = @mTree[w].entrycget('Visible', :menu)
+ m.delete(0, :end)
+ @popup[:visible] = []
+ (0...(w.numcolumns)).each{|i|
+ @popup[:visible][i] = TkVariable.new(w.column_cget(i, :visible))
+ txt = w.column_cget(i, :text)
+ img_name = w.column_cget(i, :image)
+ img_name = @images.key(img_name) if img_name.kind_of?(TkImage)
+ m.add_checkbutton(:variable=>@popup[:visible][i],
+ :label=>"Column #{i} \"#{txt}\" [#{img_name}]",
+ :command=>proc{w.column_configure(i, :visible=>@popup[:visible][i].value)})
+ }
+
+ @mTree[w].popup(rootx, rooty)
+ end
+
+ def make_header_popup
+ @popup[:column] = TkVariable.new unless @popup[:column]
+ @popup[:arrow] = TkVariable.new
+ @popup[:arrowside] = TkVariable.new
+ @popup[:arrowgravity] = TkVariable.new
+ @popup[:expand] = TkVariable.new
+ @popup[:squeeze] = TkVariable.new
+ @popup[:justify] = TkVariable.new
+
+ menuspec = [
+ [ 'Arrow',
+ [
+ [ 'None', [@popup[:arrow], 'none'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value, :arrow=>:none)
+ }
+ } ],
+ [ 'Up', [@popup[:arrow], 'up'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value, :arrow=>:up)
+ }
+ } ],
+ [ 'Down', [@popup[:arrow], 'down'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value, :arrow=>:down)
+ }
+ } ],
+
+ '---',
+
+ [ 'Side Left', [@popup[:arrowside], 'left'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :arrowside=>:left)
+ }
+ } ],
+ [ 'Side Right', [@popup[:arrowside], 'right'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :arrowside=>:right)
+ }
+ } ],
+
+ '---',
+
+ [ 'Gravity Left', [@popup[:arrowgravity], 'left'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :arrowgravity=>:left)
+ }
+ } ],
+ [ 'Gravity Right', [@popup[:arrowgravity], 'right'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :arrowgravity=>:right)
+ }
+ } ],
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}} ],
+
+ [ 'Expand', @popup[:expand], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :expand=>@popup[:expand].value)
+ }
+ } ],
+
+ [ 'Squeeze', @popup[:squeeze], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :squeeze=>@popup[:squeeze].value)
+ }
+ } ],
+
+ [ 'Justify',
+ [
+ [ 'Left', [@popup[:justify], 'left'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value, :justify=>:left)
+ }
+ } ],
+ [ 'Center', [@popup[:justify], 'center'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :justify=>:center)
+ }
+ } ],
+ [ 'Right', [@popup[:justify], 'right'], nil, '',
+ {:command=>proc{
+ @tree2.column_configure(@popup[:column].value,
+ :justify=>:right)
+ }
+ } ]
+ ],
+ nil, '', {:menu_config=>{:tearoff=>false}} ]
+ ]
+
+ m = TkMenu.new_menuspec(menuspec, @tree2, false)
+ @non_clear_list << m
+ @mHeader[@tree2] = m
+ end
+
+ ###########################
+
+ def init_demo_scripts_module
+ @demo_scripts = Module.new
+
+ master = self
+
+ has_bgimg = @has_bgimg
+
+ scriptDir = @ScriptDir
+
+ thisPlatform = @thisPlatform
+
+ randomN = @RandomN
+
+ images = @images
+ sel_images = @sel_images
+
+ systemButtonFace = @SystemButtonFace
+ systemHighlight = @SystemHighlight
+ systemHighlightText = @SystemHighlightText
+
+ def master._pub_display_styles_in_item(item)
+ display_styles_in_item(item)
+ end
+ proc_disp_styles_in_item = proc{|item|
+ master._pub_display_styles_in_item(item)
+ }
+
+ @demo_scripts.instance_eval{
+ @master = master
+
+ @has_bgimg = has_bgimg
+
+ @display_styles_in_item = proc_disp_styles_in_item
+
+ @Priv = TkVarAccess.new('::TreeCtrl::Priv')
+
+ @ScriptDir = scriptDir
+
+ @thisPlatform = thisPlatform
+
+ @RandomN = randomN
+
+ @images = images
+ @sel_images = sel_images
+
+ @SystemButtonFace = systemButtonFace
+ @SystemHighlight = systemHighlight
+ @SystemHighlightText = systemHighlightText
+ }
+
+ class << @demo_scripts
+ def _get_binding
+ binding
+ end
+ private :_get_binding
+
+ def load_demo(file)
+ puts "load \"#{file}\"" if $DEBUG
+ begin
+ eval(IO.readlines(file).join, _get_binding())
+ rescue Exception => e
+ bt = e.backtrace
+
+ if bt[0] =~ /^([^:]+):(\d+):/
+ errline = $2.to_i
+ else
+ raise e
+ end
+
+ if bt[1] =~ /^([^:]+):(\d+):/
+ bt.unshift("#{file}:#{errline - $2.to_i + 1}")
+ raise e
+ else
+ raise e
+ end
+ end
+ end
+
+ def init_pics(*args)
+ @master.init_pics(*args)
+ end
+ end
+ end
+
+ def load_demo_scripts
+ # demo sources
+ [
+ 'bitmaps',
+ 'explorer',
+ 'help',
+ 'imovie',
+ 'layout',
+ 'mailwasher',
+ 'outlook-folders',
+ 'outlook-newgroup',
+ 'random',
+ 'www-options'
+ ].each{|f|
+ @demo_scripts.load_demo(File.join(@ScriptDir, "#{f}.rb"))
+ }
+ end
+
+ ###########################
+
+ def init_demo_list
+ @tree1.element_create('e1', :text,
+ :fill=>[@SystemHighlightText, ['selected', 'focus']])
+ @tree1.element_create('e2', :rect, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected', 'focus'],
+ 'gray', ['selected', '!focus'],
+ ])
+ @tree1.style_create('s1')
+ @tree1.style_elements('s1', ['e2', 'e1'])
+
+ # Tk listbox has linespace + 1 height
+ @tree1.style_layout('s1', 'e2', :union=>['e1'],
+ :ipadx=>2, :ipady=>[0, 1], :iexpand=>:e)
+
+ if $Version_1_1_OrLater
+ @tree1.defaultstyle = 's1'
+ end
+
+ ###
+ [
+ ["Random #{@RandomN[0]} Items", :demoRandom, 'random.rb'],
+ ["Random #{@RandomN[0]} Items, Button Images", :demoRandom2, 'random.rb'],
+ ["Outlook Express (Folders)", :demoOutlookFolders, 'outlook-folders.rb'],
+ ["Outlook Express (Newsgroup)", :demoOutlookNewsgroup, 'outlook-newgroup.rb'],
+ ["Explorer (Details)", :demoExplorerDetails, 'explorer.rb'],
+ ["Explorer (List)", :demoExplorerList, 'explorer.rb'],
+ ["Explorer (Large icons)", :demoExplorerLargeIcons, 'explorer.rb'],
+ ["Explorer (Small icons)", :demoExplorerSmallIcons, 'explorer.rb'],
+ ["Internet Options", :demoInternetOptions, 'www-options.rb'],
+ ["Help Contents", :demoHelpContents, 'help.rb'],
+ ["Layout", :demoLayout, 'layout.rb'],
+ ["MailWasher", :demoMailWasher, 'mailwasher.rb'],
+ ["Bitmaps", :demoBitmaps, 'bitmaps.rb'],
+ ["iMovie", :demoIMovie, 'imovie.rb']
+ ].each{|label, cmd, file|
+ item = @tree1.item_create
+ @tree1.item_lastchild(:root, item)
+ unless $Version_1_1_OrLater
+ @tree1.item_style_set(item, 0, 's1')
+ end
+ @tree1.item_text(item, 0, label)
+ @demoCmd[item] = cmd
+ @demoFile[item] = file
+ }
+
+ @tree1.yview_moveto(0.0)
+ end
+
+ def demo_set(cmd, file)
+ demo_clear()
+ clicks = Tk::Clock.clicks
+ @demo_scripts.__send__(cmd, @tree2)
+ clicks = Tk::Clock.clicks - clicks
+ puts "set list in #{'%.2g'%(clicks/1000000.0)} seconds (#{clicks} clicks)"
+ @tree2.xview_moveto(0)
+ @tree2.yview_moveto(0)
+ Tk.update
+ display_styles_in_list()
+ show_source(file)
+ end
+
+ def display_styles_in_list
+ # Create elements and styles the first time this is called
+ if @tree4.style_names.empty?
+ @tree4.element_create('e1', :text,
+ :fill=>[@SystemHighlightText,['selected','focus']])
+ @tree4.element_create('e2', :text,
+ :fill=>[
+ @SystemHighlightText, ['selected','focus'],
+ '', ['selected','!focus'],
+ 'blue', []
+ ])
+ @tree4.element_create('e3', :rect, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected','focus'],
+ 'gray', ['selected', '!focus']
+ ])
+
+ @tree4.style_create('s1')
+ @tree4.style_elements('s1', ['e3', 'e1'])
+ @tree4.style_layout('s1', 'e3', :union=>['e1'], :ipadx=>1, :ipady=>[0,1])
+
+ @tree4.style_create('s2')
+ @tree4.style_elements('s2', ['e3', 'e1', 'e2'])
+ @tree4.style_layout('s2', 'e1', :padx=>[0,4])
+ @tree4.style_layout('s2', 'e3', :union=>['e1', 'e2'],
+ :ipadx=>1, :ipady=>[0,1])
+ end
+
+ # Clear the list
+ @tree4.item_delete(:all)
+
+ # One item for each element in the demo list
+ @tree2.element_names.sort.each{|elem|
+ if $Version_1_1_OrLater
+ item = @tree4.item_create(:button=>true)
+ @tree4.item_collapse(item)
+ else
+ item = @tree4.item_create
+ @tree4.item_hasbutton(item, true)
+ @tree4.collapse(item)
+ end
+ @tree4.item_style_set(item, 0, 's1')
+ @tree4.item_text(item, 0,
+ "Element #{elem} (#{@tree2.element_type(elem)})")
+
+ # One item for each configuration option for this element
+ @tree2.element_configinfo(elem).each{|name, x, y, default, current|
+ item2 = @tree4.item_create
+
+ if default == current
+ @tree4.item_style_set(item2, 0, 's1')
+ @tree4.item_complex(item2, [
+ ['e1', {:text=>"#{name} #{current.inspect}"}]
+ ])
+ else
+ @tree4.item_style_set(item2, 0, 's2')
+ @tree4.item_complex(item2, [
+ ['e1', {:text=>name}],
+ ['e2', {:text=>current.inspect}]
+ ])
+ end
+
+ @tree4.item_lastchild(item, item2)
+ }
+
+ @tree4.item_lastchild(:root, item)
+ }
+
+ # One item for each style in the demo list
+ @tree2.style_names.sort.each{|sty|
+ if $Version_1_1_OrLater
+ item = @tree4.item_create(:button=>true)
+ @tree4.item_collapse(item)
+ else
+ item = @tree4.item_create
+ @tree4.item_hasbutton(item, true)
+ @tree4.collapse(item)
+ end
+ @tree4.item_style_set(item, 0, 's1')
+ @tree4.item_text(item, 0, "Style #{sty}")
+
+ # One item for each element in the style
+ @tree2.style_elements(sty).each{|elem|
+ if $Version_1_1_OrLater
+ item2 = @tree4.item_create(:button=>true)
+ @tree4.item_collapse(item2)
+ else
+ item2 = @tree4.item_create
+ @tree4.item_hasbutton(item2, true)
+ @tree4.collapse(item2)
+ end
+ @tree4.item_style_set(item2, 0, 's1')
+ @tree4.item_text(item2, 0,
+ "Element #{elem} (#{@tree2.element_type(elem)})")
+
+ # One item for each layout option for this element in this style
+ @tree2.style_layout(sty, elem).each{|k, v|
+ item3 = @tree4.item_create
+ unless $Version_1_1_OrLater
+ @tree4.item_hasbutton(item3, false)
+ end
+ @tree4.item_style_set(item3, 0, 's1')
+ @tree4.item_text(item3, 0, "#{k} #{v.inspect}")
+ @tree4.item_lastchild(item2, item3)
+ }
+
+ @tree4.item_lastchild(item, item2)
+ }
+
+ @tree4.item_lastchild(:root, item)
+ }
+
+ @tree4.xview_moveto(0)
+ @tree4.yview_moveto(0)
+ end
+
+ def display_styles_in_item(item)
+ @tree3.column_configure(0, :text=>"Styles in item #{@tree2.index(item)}")
+
+ # Create elements and styles the first time this is called
+ if @tree3.style_names.empty?
+ @tree3.element_create('e1', :text,
+ :fill=>[@SystemHighlightText,['selected','focus']])
+ @tree3.element_create('e2', :text,
+ :fill=>[
+ @SystemHighlightText, ['selected','focus'],
+ '', ['selected','!focus'],
+ 'blue', []
+ ])
+ @tree3.element_create('e3', :rect, :showfocus=>true,
+ :fill=>[
+ @SystemHighlight, ['selected','focus'],
+ 'gray', ['selected', '!focus']
+ ])
+
+ @tree3.style_create('s1')
+ @tree3.style_elements('s1', ['e3', 'e1'])
+ @tree3.style_layout('s1', 'e3', :union=>['e1'], :ipadx=>1, :ipady=>[0,1])
+
+ @tree3.style_create('s2')
+ @tree3.style_elements('s2', ['e3', 'e1', 'e2'])
+ @tree3.style_layout('s2', 'e1', :padx=>[0,4])
+ @tree3.style_layout('s2', 'e3', :union=>['e1', 'e2'],
+ :ipadx=>1, :ipady=>[0,1])
+ end
+ # Clear the list
+ @tree3.item_delete(:all)
+
+ # One item for each item-column
+ column = 0
+ @tree2.item_style_set(item).each{|sty|
+ item2 = @tree3.item_create
+ if $Version_1_1_OrLater
+ @tree3.item_collapse(item2)
+ else
+ @tree3.collapse(item2)
+ end
+ @tree3.item_style_set(item2, 0, 's1')
+ @tree3.item_element_configure(item2, 0, 'e1',
+ :text=>"Column #{column}: Style #{sty}")
+
+ button = false
+
+ # One item for each element in this style
+ unless sty.to_s.empty?
+ @tree2.item_style_elements(item, column).each{|elem|
+ button = true
+ if $Version_1_1_OrLater
+ item3 = @tree3.item_create(:button=>true)
+ else
+ item3 = @tree3.item_create
+ @tree3.item_hasbutton(item3, true)
+ end
+ if $Version_1_1_OrLater
+ @tree3.item_collapse(item3)
+ else
+ @tree3.collapse(item3)
+ end
+ @tree3.item_style_set(item3, 0, 's1')
+ @tree3.item_element_configure(item3, 0, 'e1',
+ :text=>"Element #{elem} (#{@tree2.element_type(elem)})")
+
+ # One item for each configuration option in this element
+ @tree2.item_element_configinfo(item, column, elem) \
+ .each{|name, x, y, default, current|
+ item4 = @tree3.item_create
+ masterDefault = @tree2.element_cget(elem, name)
+ sameAsMaster = (masterDefault == current)
+ if !sameAsMaster && current == ''
+ sameAsMaster = true
+ current = masterDefault
+ end
+
+ if sameAsMaster
+ @tree3.item_style_set(item4, 0, 's1')
+ @tree3.item_complex(item4, [
+ ['e1',
+ {:text=>"#{name} #{current.inspect}"}]
+ ])
+ else
+ @tree3.item_style_set(item4, 0, 's2')
+ @tree3.item_complex(item4, [
+ ['e1', {:text=>name}],
+ ['e2', {:text=>current.inspect}]
+ ])
+ end
+ @tree3.item_lastchild(item3, item4)
+ }
+ @tree3.item_lastchild(item2, item3)
+ }
+ if $Version_1_1_OrLater
+ @tree3.item_configure(item2, :button=>true) if button
+ else
+ @tree3.item_hasbutton(item2, true) if button
+ end
+ end
+ @tree3.item_lastchild(:root, item2)
+ column += 1
+ }
+
+ @tree3.xview_moveto(0)
+ @tree3.yview_moveto(0)
+ end
+
+ def demo_clear
+ # Clear the demo list
+ @tree2.item_delete(:all)
+
+ # Clear all bindings on the demo list added by the previous demo.
+ # This is why DontDelete is used for the <Selection> binding.
+ @tree2.notify_bindinfo(@tree2).each{|ev|
+ @tree2.notify_bind_remove(@tree2, ev)
+ }
+
+ # Clear all run-time states
+ @tree2.state_names.each{|st| @tree2.state_undefine(st) }
+
+ # Clear the styles-in-item list
+ @tree3.item_delete(:all)
+
+ # Delete columns in demo list
+ while (@tree2.numcolumns > 0)
+ @tree2.column_delete(0)
+ end
+
+ # Delete all styles in demo list
+ @tree2.style_delete(*(@tree2.style_names))
+
+ # Delete all elements in demo list
+ @tree2.element_delete(*(@tree2.element_names))
+
+ if $Version_1_1_OrLater
+ @tree2.item_configure(:root, :button=>false)
+ @tree2.item_expand(:root)
+ else
+ @tree2.item_hasbutton(:root, false)
+ @tree2.expand(:root)
+ end
+
+ # Restore some happy defaults to the demo list
+ # if $Version_1_1_OrLater
+ if @has_bgimg
+ @tree2.configure(:orient=>:vertical, :wrap=>'',
+ :xscrollincrement=>0, :yscrollincrement=>0,
+ :itemheight=>0, :showheader=>true,
+ :background=>'white', :scrollmargin=>0,
+ :xscrolldelay=>50, :yscrolldelay=>50,
+ :openbuttonimage=>'', :closedbuttonimage=>'',
+ :backgroundmode=>:row, :treecolumn=>0, :indent=>19,
+ :defaultstyle=>'', :backgroundimage=>'')
+ else
+ @tree2.configure(:orient=>:vertical, :wrap=>'',
+ :xscrollincrement=>0, :yscrollincrement=>0,
+ :itemheight=>0, :showheader=>true,
+ :background=>'white', :scrollmargin=>0,
+ :xscrolldelay=>50, :yscrolldelay=>50,
+ :openbuttonimage=>'', :closedbuttonimage=>'',
+ :backgroundmode=>:row, :treecolumn=>0, :indent=>19)
+ end
+
+ # Restore default bindings to the demo list
+ @tree2.bindtags = [ @tree2, Tk::TreeCtrl, @tree2.winfo_toplevel, :all ]
+
+ @tree2.winfo_children.each{|w|
+ w.destroy unless @non_clear_list.include?(w)
+ }
+ end
+end
+
+TkTreeCtrl_demo.new($ScriptDir)
+
+##############################################
+
+def cursor_window(top = nil)
+ top.destroy if top.kind_of?(TkWindow) && top.winfo_exist?
+ top = TkToplevel.new(:title=>'Cursor Window')
+
+ c = TkCanvas.new(top, :background=>'white',
+ :width=>50*10, :highlightthickness=>0,
+ :borderwidth=>0).pack(:expand=>true, :fill=>:both)
+ cursors = %w(
+ X_cursor
+ arrow
+ based_arrow_down
+ based_arrow_up
+ boat
+ bogosity
+ bottom_left_corner
+ bottom_right_corner
+ bottom_side
+ bottom_tee
+ box_spiral
+ center_ptr
+ circle
+ clock
+ coffee_mug
+ cross
+ cross_reverse
+ crosshair
+ diamond_cross
+ dot
+ dotbox
+ double_arrow
+ draft_large
+ draft_small
+ draped_box
+ exchange
+ fleur
+ gobbler
+ gumby
+ hand1
+ hand2
+ heart
+ icon
+ iron_cross
+ left_ptr
+ left_side
+ left_tee
+ leftbutton
+ ll_angle
+ lr_angle
+ man
+ middlebutton
+ mouse
+ pencil
+ pirate
+ plus
+ question_arrow
+ right_ptr
+ right_side
+ right_tee
+ rightbutton
+ rtl_logo
+ sailboat
+ sb_down_arrow
+ sb_h_double_arrow
+ sb_left_arrow
+ sb_right_arrow
+ sb_up_arrow
+ sb_v_double_arrow
+ shuttle
+ sizing
+ spider
+ spraycan
+ star
+ target
+ tcross
+ top_left_arrow
+ top_left_corner
+ top_right_corner
+ top_side
+ top_tee
+ trek
+ ul_angle
+ umbrella
+ ur_angle
+ watch
+ xterm
+ )
+
+ orig_cursor = c.cursor
+ col = 0
+ row = 0
+
+ cursors.each{|cur|
+ x = col * 50
+ y = row * 40
+
+ begin
+ c.cursor = cur
+
+ r = TkcRectangle.new(c, x, y, x+50, y+40,
+ :fill=>'gray90', :outline=>'black', :width=>2)
+ t = TkcText.new(c, x+50/2, y+4, :text=>cur, :anchor=>:n, :width=>42)
+
+ col += 1
+ if col >= 10
+ col = 0
+ row += 1
+ end
+
+ r.bind('Enter', proc{c.cursor = cur; r.fill = 'linen'})
+ r.bind('Leave', proc{c.cursor = ''; r.fill = 'gray90'})
+
+ t.bind('Enter', proc{c.cursor = cur})
+ t.bind('Leave', proc{c.cursor = ''})
+ rescue
+ c.cursor = orig_cursor
+ end
+ }
+
+ c.cursor = orig_cursor
+ c.height = (row + 1) * 40
+end
+
+cursor_window()
+
+##############################################
+
+# A little screen magnifier for X11
+if Tk::PLATFORM['platform'] == 'unix' && Tk.windowingsystem != 'aqua'
+ def show_loupe(setting=nil)
+ loupe = (setting.kind_of?(Hash))? setting: {}
+ loupe[:zoom] = 3 unless loupe[:zoom]
+ loupe[:x] = 0 unless loupe[:x]
+ loupe[:y] = 0 unless loupe[:y]
+ loupe[:auto] = true unless loupe[:auto]
+ loupe[:delay] = 500 unless loupe[:delay]
+ loupe[:image] =
+ TkPhotoImage.new(:width=>150, :height=>150) unless loupe[:image]
+
+ top = TkToplevel.new(:geometry=>'-0+30',
+ :title=>'A little screen magnifier for X11')
+ TkLabel.new(top, :image=>loupe[:image]).pack
+
+ TkTimer.new(proc{loupe[:delay]}, -1, proc{
+ x, y = TkWinfo.pointerxy(Tk.root)
+ if loupe[:auto] || loupe[:x] != x || loupe[:y] != y
+ w = loupe[:image].width
+ h = loupe[:image].height
+ Tk::TreeCtrl.loupe(loupe[:image], x, y, w, h, loupe[:zoom])
+ loupe[:x] = x
+ loupe[:y] = y
+ end
+ }).start
+ end
+
+ show_loupe()
+end
+
+##############################################
+
+Tk.mainloop