1 files changed, 166 insertions, 0 deletions
diff --git a/ext/tk/lib/tk/fontchooser.rb b/ext/tk/lib/tk/fontchooser.rb
new file mode 100644
index 0000000000..f9f816be59
--- /dev/null
+++ b/ext/tk/lib/tk/fontchooser.rb
@@ -0,0 +1,166 @@
+#
+# tk/fontchooser.rb -- "tk fontchooser" support (Tcl/Tk8.6 or later)
+#
+require 'tk'
+require 'tk/font'
+
+module TkFont::Chooser
+  extend TkCore
+end
+
+class << TkFont::Chooser
+  def method_missing(id, *args)
+    name = id.id2name
+    case args.length
+    when 1
+      if name[-1] == ?=
+        configure name[0..-2], args[0]
+        args[0]
+      else
+        configure name, args[0]
+        self
+      end
+    when 0
+      begin
+        cget(name)
+      rescue
+        super(id, *args)
+      end
+    else
+      super(id, *args)
+    end
+  end
+
+  def __conviginfo_value(key, val)
+    case key
+    when 'parent'
+      window(val)
+    when 'title'
+      val
+    when 'font'
+      if (lst = tk_split_simplelist(val)).size == 1
+        lst[0]
+      else
+        lst.map{|elem| num_or_str(elem)}
+      end
+    when 'command'
+      tk_tcl2ruby(val)
+    when 'visible'
+      bool(val)
+    else # unkown
+      val
+    end
+  end
+  private :__conviginfo_value
+
+  def configinfo(option=nil)
+    if !option && TkComm::GET_CONFIGINFOwoRES_AS_ARRAY
+      lst = tk_split_simplelist(tk_call('tk', 'fontchooser', 'configure'))
+      ret = []
+      TkComm.slice_ary(lst, 2){|k, v|
+        k = k[1..-1]
+        ret << [k, __conviginfo_value(k, v)]
+      }
+      ret
+    else
+      current_configinfo(option)
+    end
+  end
+
+  def current_configinfo(option=nil)
+    if option
+      opt = option.to_s
+      fail ArgumentError, "Invalid option `#{option.inspect}'" if opt.empty?
+      __conviginfo_value(option.to_s, tk_call('tk','fontchooser',
+                                              'configure',"-#{opt}"))
+    else
+      lst = tk_split_simplelist(tk_call('tk', 'fontchooser', 'configure'))
+      ret = {}
+      TkComm.slice_ary(lst, 2){|k, v|
+        k = k[1..-1]
+        ret[k] = __conviginfo_value(k, v)
+      }
+      ret
+    end
+  end
+
+  def configure(option, value=None)
+    if option.kind_of? Hash
+      tk_call('tk', 'fontchooser', 'configure', 
+              *hash_kv(_symbolkey2str(option)))
+    else
+      opt = option.to_s
+      fail ArgumentError, "Invalid option `#{option.inspect}'" if opt.empty?
+      tk_call('tk', 'fontchooser', 'configure', "-#{opt}", value)
+    end
+    self
+  end
+
+  def configure_cmd(slot, value)
+    configure(slot, install_cmd(value))
+  end
+
+  def command(cmd=nil, &b)
+    if cmd
+      configure_cmd('command', cmd)
+    elsif b
+      configure_cmd('command', Proc.new(&b))
+    else
+      cget('command')
+    end
+  end
+
+  def cget(slot)
+    configinfo slot
+  end
+
+  def [](slot)
+    cget slot
+  end
+
+  def []=(slot, val)
+    configure slot, val
+    val
+  end
+
+  def show
+    tk_call('tk', 'fontchooser', 'show')
+    self
+  end
+
+  def hide
+    tk_call('tk', 'fontchooser', 'hide')
+    self
+  end
+
+  def toggle
+    cget(:visible) ?  hide: show
+    self
+  end
+
+  def set_for(target, title="Font")
+    if target.kind_of? TkFont
+      configs = {
+        :font=>target.actual_hash, 
+        :command=>proc{|fnt, *args| 
+          target.configure(TkFont.actual_hash(fnt))
+        }
+      }
+    else
+      configs = {
+        :font=>target.cget_tkstring(:font), 
+        :command=>proc{|fnt, *args| 
+          target.font = TkFont.actual_hash_displayof(fnt, target)
+        }
+      }
+    end
+
+    configs[:title] = title if title
+    configure(configs)
+    target
+  end
+
+  def unset
+    configure(:command, nil)
+  end
+end