Module: TkAutoPostMenu

Defined in:

lib/a-tkcommons.rb

Class Method Summary

• .extended(_widget) ⇒ Object
• .included(_widget) ⇒ Object

Instance Method Summary

• #__initialize_posting(_widget = self) ⇒ Object
• #event_posting_off ⇒ Object
• #event_posting_on ⇒ Object

Class Method Details

.extended(_widget) ⇒ Object

# File 'lib/a-tkcommons.rb', line 1483

def self.extended(_widget)
  _widget.__initialize_posting(_widget)
end

.included(_widget) ⇒ Object

# File 'lib/a-tkcommons.rb', line 1487

def self.included(_widget)
  _widget.__initialize_posting(_widget)
end

Instance Method Details

#__initialize_posting(_widget = self) ⇒ Object

# File 'lib/a-tkcommons.rb', line 1502

def __initialize_posting(_widget=self)
  #    parent = TkWinfo.parent(_widget)
  #    parent.bind_append("Enter", proc{p "Enter parent"})
  #    parent.bind_append("Leave", proc{p "Leave parent"})

  chs = TkWinfo.children(_widget)
  hh = 22
  @last_post = nil
  @posting_on = true
  @event_posting_on = false
  @m_show = Hash.new
  chs.each{|ch|
    ch.menu.bind_append("Map", proc{ @m_show[ch.menu] = true })
    ch.menu.bind_append("Unmap", proc{ @m_show[ch.menu] = false })
    ch.bind_append("Enter", proc{|x,y,rx,ry|
      if @posting_on
        if @last_post && @last_post != ch.menu
          @last_post.unpost
          @last_post=nil
        end
        if @last_clicked && @last_clicked != ch.menu
          @last_clicked.unpost
          @last_clicked = nil
        end
        
        ch.menu.post(x-rx,y-ry+hh)
        #just_posted = TkWinfo.containing(x, y+hh)

        chmenus = TkWinfo.children(ch)
        @last_menu_posted = chmenus[0]
        @last_menu_posted.set_focus

        @last_menu_posted.bind("Enter", proc{
          @last_menu_posted.bind("Leave", proc{
            if @posting_on
              @last_post.unpost if @last_post
              @last_post = nil
              @last_menu_posted.bind("Enter", proc{})
              @last_menu_posted.bind("Leave", proc{})
            end
          })
        })
        #@last_post = just_posted
      end

      #@last_post=ch.menu
    }, "%X %Y %x %y")
    ch.bind_append("Leave", proc{
      ch.configure("state"=>:normal, "relief"=>:flat)
      if @posting_on
        if @last_post
          _x = TkWinfo.x(@last_post)
          _y = TkWinfo.y(@last_post)
          ch.event_generate("KeyPress", :keysym=>"Escape")  if Tk.focus.kind_of?(TkMenu) &&  Tk.focus != ch.menu
          @last_post.post(_x,_y) if @last_clicked && @last_clicked == ch.menu
        end
        if @last_post!=ch.menu
          @last_post=ch.menu
        else
          @last_post=nil
        end
        if !Tk.focus.kind_of?(TkMenu)
          @last_post.unpost if @last_post
          @last_post=nil
        end
      end
    })
    ch.bind_append("1", proc{|x,y,rx,ry|
      @posting_on=true if @event_posting_on
      if @last_post && @last_post != ch.menu
        @last_post.unpost
        @last_post = nil
      end
      @last_post=ch.menu #if ch.state == 'active'
      ch.configure('state'=>'normal')
      @last_clicked = ch.menu
      #@last_post.unpost
      #@last_post.post(0,0)
      #@last_post.set_focus

    }, "%X %Y %x %y")

  }
  _widget.bind_append("Leave", proc{
    if @posting_on  && Tk.focus != @last_menu_posted
      @last_post.unpost if @last_post
      @last_post=nil
      @posting_on = false if @event_posting_on
    end
    TkAfter.new(1000,1, proc{
      one_post = false
      @m_show.each{|m,v|
        one_post = v
        break if v
      }
      @posting_on = one_post if @event_posting_on
    }).start
  })


  _widget.bind_append("1", proc{
    @posting_on=true  if @event_posting_on
  })

end

#event_posting_off ⇒ Object

# File 'lib/a-tkcommons.rb', line 1496

def event_posting_off
  @event_posting_on = false
  @posting_on = true
end

#event_posting_on ⇒ Object

# File 'lib/a-tkcommons.rb', line 1491

def event_posting_on
  @event_posting_on = true
  @posting_on = false
end