From 1e760c0be3ed35874204114e7454509f740c0fe2 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 22 Aug 2007 01:53:51 +0000
Subject: add tag v1_8_6_71

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_71@13189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 .../ext/tk/sample/tkextlib/treectrl/random.rb      | 508 +++++++++++++++++++++
 1 file changed, 508 insertions(+)
 create mode 100644 ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/random.rb

(limited to 'ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/random.rb')

diff --git a/ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/random.rb b/ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/random.rb
new file mode 100644
index 0000000000..2c9e614aa5
--- /dev/null
+++ b/ruby_1_8_6/ext/tk/sample/tkextlib/treectrl/random.rb
@@ -0,0 +1,508 @@
+# 
+def random_N
+  @RandomN[0] || 500
+end
+
+#
+# Demo: random N items
+#
+def demoRandom(t)
+  init_pics('folder-*', 'small-*')
+
+  height = t.font.metrics(:linespace)
+  height = 18 if height < 18
+  t.configure(:itemheight=>height, :selectmode=>:extended, 
+              :showroot=>true, :showrootbutton=>true, :showbuttons=>true, 
+              :showlines=>true, :scrollmargin=>16, 
+              :xscrolldelay=>[500, 50], :yscrolldelay=>[500, 50])
+
+  if $Version_1_1_OrLater
+    t.column_create(:expand=>true, :text=>'Item', 
+                    :itembackground=>['#e0e8f0', []], :tag=>'item')
+    t.column_create(:text=>'Parent', :justify=>:center, 
+                    :itembackground=>['gray90', []], :tag=>'parent')
+    t.column_create(:text=>'Depth', :justify=>:center, 
+                    :itembackground=>['linen', []], :tag=>'depth')
+  else # TreeCtrl 1.0
+    t.column_configure(0, :expand=>true, :text=>'Item', 
+                       :itembackground=>['#e0e8f0', []], :tag=>'item')
+    t.column_configure(1, :text=>'Parent', :justify=>:center, 
+                       :itembackground=>['gray90', []], :tag=>'parent')
+    t.column_configure(2, :text=>'Depth', :justify=>:center, 
+                       :itembackground=>['linen', []], :tag=>'depth')
+  end
+
+  t.element_create('e1', :image, :image=>[
+                     @images['folder-open'], ['open'], 
+                     @images['folder-closed'], []
+                   ])
+  t.element_create('e2', :image, :image=>@images['small-file'])
+  t.element_create('e3', :text, 
+                   :fill=>[@SystemHighlightText, ['selected', 'focus']])
+  t.element_create('e4', :text, :fill=>'blue')
+  t.element_create('e6', :text)
+  t.element_create('e5', :rect, :showfocus=>true, 
+                   :fill=>[
+                     @SystemHighlight, ['selected', 'focus'], 
+                     'gray', ['selected', '!focus']
+                   ])
+
+  s = t.style_create('s1')
+  t.style_elements(s, ['e5', 'e1', 'e3', 'e4'])
+  t.style_layout(s, 'e1', :padx=>[0,4], :expand=>:ns)
+  t.style_layout(s, 'e3', :padx=>[0,4], :expand=>:ns)
+  t.style_layout(s, 'e4', :padx=>[0,6], :expand=>:ns)
+  t.style_layout(s, 'e5', :union=>['e3'], :iexpand=>:ns, :ipadx=>2)
+
+  s = t.style_create('s2')
+  t.style_elements(s, ['e5', 'e2', 'e3'])
+  t.style_layout(s, 'e2', :padx=>[0,4], :expand=>:ns)
+  t.style_layout(s, 'e3', :padx=>[0,4], :expand=>:ns)
+  t.style_layout(s, 'e5', :union=>['e3'], :iexpand=>:ns, :ipadx=>2)
+
+  s = t.style_create('s3')
+  t.style_elements(s, ['e6'])
+  t.style_layout(s, 'e6', :padx=>6, :expand=>:ns)
+
+  @Priv[:sensitive, t] = [
+    [:item, 's1',  'e5', 'e1', 'e3'], 
+    [:item, 's2',  'e5', 'e2', 'e3']
+  ]
+  @Priv[:dragimage, t] = [
+    [:item, 's1',  'e1', 'e3'], 
+    [:item, 's2',  'e2', 'e3']
+  ]
+
+  clicks = Tk::Clock.clicks
+  items = [ t.index(:root) ]
+  (1...(random_N())).each{|i|
+    item_i = t.item_create
+    item_j = nil
+    loop {
+      j = rand(i)
+      item_j = items[j]
+      break if t.depth(item_j) < 5
+    }
+    if $Version_1_1_OrLater
+      t.item_collapse(item_i) if rand(2) == 0
+    else # TreeCtrl 1.0
+      t.collapse(item_i) if rand(2) == 0
+    end
+    if rand(2) == 0
+      t.item_lastchild(item_j, item_i)
+    else
+      t.item_firstchild(item_j, item_i)
+    end
+    items << item_i
+  }
+  puts "created #{random_N() - 1} items in #{Tk::Clock.clicks - clicks} clicks"
+
+  clicks = Tk::Clock.clicks
+  (0...(random_N())).each{|i|
+    item_i = items[i]
+    numChildren = t.item_numchildren(item_i)
+    if numChildren > 0
+      if $Version_1_1_OrLater
+        t.item_configure(item_i, :button=>true)
+      else # TreeCtrl 1.0
+        t.item_hasbutton(item_i, true)
+      end
+      t.item_style_set(item_i, 0, 's1', 1, 's3', 2, 's3')
+      t.item_complex(item_i, 
+                     [ ['e3', {:text=>"Item #{i}"}], 
+                       ['e4', {:text=>"(#{numChildren})"}] ], 
+                     [ ['e6', {:text=>"#{t.item_parent(item_i)}"}] ], 
+                     [ ['e6', {:text=>"#{t.depth(item_i)}"}] ])
+    else
+      t.item_style_set(item_i, 1, 's3', 2, 's3', 0, 's2')
+      t.item_complex(item_i, 
+                     [ ['e3', {:text=>"Item #{i}"}] ], 
+                     [ ['e6', {:text=>"#{t.item_parent(item_i)}"}] ], 
+                     [ ['e6', {:text=>"#{t.depth(item_i)}"}] ])
+    end
+  }
+  puts "configured #{random_N()} items in #{Tk::Clock.clicks - clicks} clicks"
+
+  treeCtrlRandom = TkBindTag.new
+
+  treeCtrlRandom.bind('Double-ButtonPress-1', 
+                      proc{|w, x, y|
+                        Tk::TreeCtrl::BindCallback.doubleButton1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  treeCtrlRandom.bind('Control-ButtonPress-1', 
+                      proc{|w, x, y|
+                        @Priv['selectMode'] = :toggle
+                        randomButton1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  treeCtrlRandom.bind('Shift-ButtonPress-1', 
+                      proc{|w, x, y|
+                        @Priv['selectMode'] = :add
+                        randomButton1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  treeCtrlRandom.bind('ButtonPress-1', 
+                      proc{|w, x, y|
+                        @Priv['selectMode'] = :set
+                        randomButton1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  treeCtrlRandom.bind('Button1-Motion', 
+                      proc{|w, x, y|
+                        randomMotion1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  treeCtrlRandom.bind('Button1-Leave', 
+                      proc{|w, x, y|
+                        randomLeave1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  treeCtrlRandom.bind('ButtonRelease-1', 
+                      proc{|w, x, y|
+                        randomRelease1(w, x, y)
+                        Tk.callback_break
+                      }, '%W %x %y')
+
+  t.bindtags = [ t, treeCtrlRandom, Tk::TreeCtrl, t.winfo_toplevel, :all ]
+end
+
+def randomButton1(t, x, y)
+  t.set_focus
+  id = t.identify(x, y)
+  puts id.inspect
+  @Priv['buttonMode'] = ''
+
+  # Click outside any item
+  if id.empty?
+    t.selection_clear
+
+  # Click in header
+  elsif id[0] == 'header'
+    Tk::TreeCtrl::BindCallback.buttonPress1(t, x, y)
+
+  # Click in item
+  else
+    where, item, arg1, arg2, arg3, arg4 = id
+    case arg1
+    when 'button'
+      if $Version_1_1_OrLater
+        t.item_toggle(item)
+      else # TreeCtrl 1.0
+        t.toggle(item)
+      end
+
+    when 'line'
+      if $Version_1_1_OrLater
+        t.item_toggle(arg2)
+      else # TreeCtrl 1.0
+        t.toggle(arg2)
+      end
+
+    when 'column'
+      ok = false
+      # Clicked an element
+      if id.length == 6
+        column = id[3]
+        e = id[5]
+        @Priv.list_element(:sensitive, t).each{|lst|
+          c, s, *eList = TkComm.simplelist(lst)
+          next if column != t.column_index(c)
+          next if t.item_style_set(item, c) != s
+          next if eList.find{|le| le == e} == nil
+          ok = true
+          break
+        }
+      end
+      unless ok
+        t.selection_clear
+        return
+      end
+
+      @Priv[:drag, :motion] = 0
+      @Priv[:drag, :x] = t.canvasx(x)
+      @Priv[:drag, :y] = t.canvasy(y)
+      @Priv[:drop] = ''
+
+      if @Priv['selectMode'] == 'add'
+          Tk::TreeCtrl::BindCallback.beginExtend(t, item)
+      elsif @Priv['selectMode'] == 'toggle'
+          Tk::TreeCtrl::BindCallback.beginToggle(t, item)
+      elsif ! t.selection_includes(item)
+          Tk::TreeCtrl::BindCallback.beginSelect(t, item)
+      end
+      t.activate(item)
+
+      if t.selection_includes(item)
+        @Priv['buttonMode'] = 'drag'
+      end
+    end
+  end
+end
+
+def randomMotion1(t, x, y)
+  case @Priv['buttonMode']
+  when 'resize', 'header'
+    Tk::TreeCtrl::BindCallback.motion1(t, x, y)
+  when 'drag'
+    randomAutoScanCheck(t, x, y)
+    randomMotion(t, x, y)
+  end
+end
+
+def randomMotion(t, x, y)
+  case @Priv['buttonMode']
+  when 'resize', 'header'
+    Tk::TreeCtrl::BindCallback.motion1(t, x, y)
+
+  when 'drag'
+    # Detect initial mouse movement
+    unless @Priv.bool_element(:drag, :motion)
+      @Priv[:selection] = t.selection_get
+      @Priv[:drop] = ''
+      t.dragimage_clear
+      # For each selected item, add 2nd and 3rd elements of
+      # column "item" to the dragimage
+      @Priv.list_element(:selection).each{|i|
+        @Priv.list_element(:dragimage,t).each{|lst|
+          c, s, *eList = TkComm.simplelist(lst)
+          if t.item_style_set(i, c) == s
+            t.dragimage_add(i, c, *eList)
+          end
+        }
+      }
+      @Priv[:drag,:motion] = true
+    end
+
+    # Find the item under the cursor
+    cursor = 'X_cursor'
+    drop = ''
+    id = t.identify(x, y)
+    ok = false
+    if !id.empty? && id[0] == 'item' && id.length == 6
+      item = id[1]
+      column = id[3]
+      e = id[5]
+      @Priv.list_element(:sensitive,t).each{|lst|
+        c, s, *eList = TkComm.simplelist(lst)
+        next if column != t.column_index(c)
+        next if t.item_style_set(item, c) != s
+        next unless eList.find{|val| val.to_s == e.to_s}
+        ok = true
+        break
+      }
+      ok = true if @Priv.list_element(:sensitive,t).find{|val| TkComm.simplelist(val).index(e)}
+    end
+
+    if ok
+      # If the item is not in the pre-drag selection
+      # (i.e. not being dragged) see if we can drop on it
+      unless @Priv.list_element(:selection).find{|val| val.to_s == item.to_s}
+        drop = item
+        # We can drop if dragged item isn't an ancestor
+        @Priv.list_element(:selection).each{|item2|
+          if t.item_isancestor(item2, item)
+            drop = ''
+            break
+          end
+        }
+        if drop != ''
+          x1, y1, x2, y2 = t.item_bbox(drop)
+          if y < y1 + 3
+            cursor = 'top_side'
+            @Priv[:drop,:pos] = 'prevsibling'
+          elsif y >= y2 - 3
+            cursor = 'bottom_side'
+            @Priv[:drop,:pos] = 'nextsibling'
+          else
+            cursor = ''
+            @Priv[:drop,:pos] = 'lastchild'
+          end
+        end
+      end
+    end
+
+    t[:cursor] = cursor if t[:cursor] != cursor
+
+    # Select the item under the cursor (if any) and deselect
+    # the previous drop-item (if any)
+    t.selection_modify(drop, @Priv[:drop])
+    @Priv[:drop] = drop
+
+    # Show the dragimage in its new position
+    x = t.canvasx(x) - @Priv.numeric_element(:drag,:x)
+    y = t.canvasx(y) - @Priv.numeric_element(:drag,:y)
+    t.dragimage_offset(x, y)
+    t.dragimage_configure(:visible=>true)
+  end
+end
+
+def randomLeave1(t, x, y)
+  # This is called when I do ButtonPress-1 on Unix for some reason,
+  # and buttonMode is undefined.
+  return unless @Priv.exist?('buttonMode')
+  case @Priv['buttonMode']
+  when 'header'
+    Tk::TreeCtrl::BindCallback.leave1(t, x, y)
+  end
+end
+
+def randomRelease1(t, x, y)
+  case @Priv['buttonMode']
+  when 'resize', 'header'
+    Tk::TreeCtrl::BindCallback.release1(t, x, y)
+  when 'drag'
+    Tk::TreeCtrl::BindCallback.autoScanCancel(t)
+    t.dragimage_configure(:visible=>false)
+    t.selection_modify('', @Priv[:drop])
+    t[:cursor] = ''
+    if @Priv[:drop] != ''
+      randomDrop(t, @Priv[:drop], @Priv.list_element(:selection), 
+                 @Priv[:drop, :pos])
+    end
+  end
+  @Priv['buttonMode'] = ''
+end
+
+def randomDrop(t, target, src, pos)
+  parentList = []
+  case pos
+  when 'lastchild'
+    parent = target
+  when 'prevsibling'
+    parent = t.item_parent(target)
+  when 'nextsibling'
+    parent = t.item_parent(target)
+  end
+  src.each{|item|
+    # Ignore any item whose ancestor is also selected
+    ignore = false
+    t.item_ancestors(item).each{|ancestor|
+      if src.find{|val| val.to_s == ancestor.to_s}
+        ignore = true
+        break
+      end
+    }
+    next if ignore
+
+    # Update the old parent of this moved item later
+    unless parentList.find{|val| val.to_s == item.to_s}
+      parentList << t.item_parent(item)
+    end
+
+    # Add to target
+    t.__send__("item_#{pos}", target, item)
+
+    # Update text: parent
+    t.item_element_configure(item, 'parent', 'e6', :text=>parent)
+
+    # Update text: depth
+    t.item_element_configure(item, 'depth', 'e6', :text=>t.depth(item))
+
+    # Recursively update text: depth
+    itemList = []
+    item = t.item_firstchild(item)
+    itemList << item if item != ''
+
+    while item = itemList.pop
+      t.item_element_configure(item, 'depth', 'e6', :text=>t.depth(item))
+
+      item2 = t.item_nextsibling(item)
+      itemList << item2 if item2 != ''
+
+      item2 = t.item_firstchild(item)
+      itemList << item2 if item2 != ''
+    end
+  }
+
+  # Update items that lost some children
+  parentList.each{|item|
+    numChildren = t.item_numchildren(item)
+    if numChildren == 0
+      if $Version_1_1_OrLater
+        t.item_configure(item, :button=>false)
+      else # TreeCtrl 1.0
+        t.item_hasbutton(item, false)
+      end
+      t.item_style_map(item, 'item', 's2', ['e3', 'e3'])
+    else
+      t.item_element_configure(item, 'item', 'e4', :text=>"(#{numChildren})")
+    end
+  }
+
+  # Update the target that gained some children
+  if t.item_style_set(parent, 0) != 's1'
+    if $Version_1_1_OrLater
+      t.item_configure(parent, :button=>true)
+    else # TreeCtrl 1.0
+      t.item_hasbutton(parent, true)
+    end
+    t.item_style_map(parent, 'item', 's1', ['e3', 'e3'])
+  end
+  numChildren = t.item_numchildren(parent)
+  t.item_element_configure(parent, 'item', 'e4', :text=>"(#{numChildren})")
+end
+
+# Same as TreeCtrl::AutoScanCheck, but calls RandomMotion and
+# RandomAutoScanCheckAux
+def randomAutoScanCheck(t, x, y)
+  x1, y1, x2, y2 = t.contentbox
+  margin = t.winfo_pixels(t.scrollmargin)
+  if x < x1 + margin || x >= x2 - margin || y < y1 + margin || y >= y2 - margin
+    if ! @Priv.exist?(:autoscan, :afterId, t)
+      if y >= y2 - margin
+        t.yview(:scroll, 1, :units)
+        delay = t.yscrolldelay
+      elsif y < y1 + margin
+        t.yview(:scroll, -1, :units)
+        delay = t.yscrolldelay
+      elsif x >= x2 - margin
+        t.xview(:scroll, 1, :units)
+        delay = t.xscrolldelay
+      elsif x < x1 + margin
+        t.xview(:scroll, -1, :units)
+        delay = t.xscrolldelay
+      end
+      if @Priv.exist?(:autoscan, :scanning, t)
+        delay = delay[1] if delay.kind_of?(Array)
+      else
+        delay = delay[0] if delay.kind_of?(Array)
+        @Priv[:autoscan, :scanning, t] = true
+      end
+      case @Priv['buttonMode']
+      when 'drag', 'marquee'
+        randomMotion(t, x, y)
+      end
+      @Priv[:autoscan, :afterId, t] = 
+        Tk.after(delay, proc{ randomAutoScanCheckAux(t) })
+    end
+    return
+  end
+  Tk::TreeCtrl::BindCallback.autoScanCancel(t)
+end
+
+def randomAutoScanCheckAux(t)
+  @Priv.unset(:autoscan, :afterId, t)
+  x = t.winfo_pointerx - t.winfo_rootx
+  y = t.winfo_pointery - t.winfo_rooty
+  randomAutoScanCheck(t, x, y)
+end
+
+#
+# Demo: random N items, button images
+#
+def demoRandom2(t)
+  demoRandom(t)
+
+  init_pics('mac-*')
+
+  t.configure(:openbuttonimage=>@images['mac-collapse'], 
+              :closedbuttonimage=>@images['mac-expand'], 
+              :showlines=>false)
+end
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