From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/ext/tk/lib/tkextlib/tkDND/tkdnd.rb | 182 ++++++++++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 jni/ruby/ext/tk/lib/tkextlib/tkDND/tkdnd.rb

(limited to 'jni/ruby/ext/tk/lib/tkextlib/tkDND/tkdnd.rb')

diff --git a/jni/ruby/ext/tk/lib/tkextlib/tkDND/tkdnd.rb b/jni/ruby/ext/tk/lib/tkextlib/tkDND/tkdnd.rb
new file mode 100644
index 0000000..38e05ce
--- /dev/null
+++ b/jni/ruby/ext/tk/lib/tkextlib/tkDND/tkdnd.rb
@@ -0,0 +1,182 @@
+#
+#  tkextlib/tkDND/tkdnd.rb
+#                               by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
+#
+
+require 'tk'
+
+# call setup script for general 'tkextlib' libraries
+require 'tkextlib/setup.rb'
+
+# call setup script
+require 'tkextlib/tkDND/setup.rb'
+
+TkPackage.require('tkdnd')
+
+module Tk
+  module TkDND
+    PACKAGE_NAME = 'tkdnd'.freeze
+    def self.package_name
+      PACKAGE_NAME
+    end
+
+    def self.package_version
+      begin
+        TkPackage.require('tkdnd')
+      rescue
+        ''
+      end
+    end
+
+    class DND_Subst < TkUtil::CallbackSubst
+      KEY_TBL = [
+        [ ?a, ?l, :actions ],
+        [ ?A, ?s, :action ],
+        [ ?b, ?L, :codes ],
+        [ ?c, ?s, :code ],
+        [ ?d, ?l, :descriptions ],
+        [ ?D, ?l, :data ],
+        [ ?L, ?l, :source_types ],
+        [ ?m, ?l, :modifiers ],
+        [ ?t, ?l, :types ],
+        [ ?T, ?s, :type ],
+        [ ?W, ?w, :widget ],
+        [ ?x, ?n, :x ],
+        [ ?X, ?n, :x_root ],
+        [ ?y, ?n, :y ],
+        [ ?Y, ?n, :y_root ],
+        nil
+      ]
+
+      PROC_TBL = [
+        [ ?n, TkComm.method(:num_or_str) ],
+        [ ?s, TkComm.method(:string) ],
+        [ ?l, TkComm.method(:list) ],
+        [ ?L, TkComm.method(:simplelist) ],
+        [ ?w, TkComm.method(:window) ],
+        nil
+      ]
+
+=begin
+      # for Ruby m17n :: ?x --> String --> char-code ( getbyte(0) )
+      KEY_TBL.map!{|inf|
+        if inf.kind_of?(Array)
+          inf[0] = inf[0].getbyte(0) if inf[0].kind_of?(String)
+          inf[1] = inf[1].getbyte(0) if inf[1].kind_of?(String)
+        end
+        inf
+      }
+
+      PROC_TBL.map!{|inf|
+        if inf.kind_of?(Array)
+          inf[0] = inf[0].getbyte(0) if inf[0].kind_of?(String)
+        end
+        inf
+      }
+=end
+
+      # setup tables
+      _setup_subst_table(KEY_TBL, PROC_TBL);
+    end
+
+    module DND
+      def self.version
+        begin
+          TkPackage.require('tkdnd')
+        rescue
+          ''
+        end
+      end
+
+      def dnd_bindtarget_info(type=nil, event=nil)
+        if event
+          procedure(tk_call('dnd', 'bindtarget', @path, type, event))
+        elsif type
+          procedure(tk_call('dnd', 'bindtarget', @path, type))
+        else
+          simplelist(tk_call('dnd', 'bindtarget', @path))
+        end
+      end
+
+      #def dnd_bindtarget(type, event, cmd=Proc.new, prior=50, *args)
+      #  event = tk_event_sequence(event)
+      #  if prior.kind_of?(Numeric)
+      #    tk_call('dnd', 'bindtarget', @path, type, event,
+      #            install_bind_for_event_class(DND_Subst, cmd, *args),
+      #            prior)
+      #  else
+      #    tk_call('dnd', 'bindtarget', @path, type, event,
+      #            install_bind_for_event_class(DND_Subst, cmd, prior, *args))
+      #  end
+      #  self
+      #end
+      def dnd_bindtarget(type, event, *args)
+        # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
+        if TkComm._callback_entry?(args[0]) || !block_given?
+          cmd = args.shift
+        else
+          cmd = Proc.new
+        end
+
+        prior = 50
+        prior = args.shift unless args.empty?
+
+        event = tk_event_sequence(event)
+        if prior.kind_of?(Numeric)
+          tk_call('dnd', 'bindtarget', @path, type, event,
+                  install_bind_for_event_class(DND_Subst, cmd, *args),
+                  prior)
+        else
+          tk_call('dnd', 'bindtarget', @path, type, event,
+                  install_bind_for_event_class(DND_Subst, cmd, prior, *args))
+        end
+        self
+      end
+
+      def dnd_cleartarget
+        tk_call('dnd', 'cleartarget', @path)
+        self
+      end
+
+      def dnd_bindsource_info(type=nil)
+        if type
+          procedure(tk_call('dnd', 'bindsource', @path, type))
+        else
+          simplelist(tk_call('dnd', 'bindsource', @path))
+        end
+      end
+
+      #def dnd_bindsource(type, cmd=Proc.new, prior=None)
+      #  tk_call('dnd', 'bindsource', @path, type, cmd, prior)
+      #  self
+      #end
+      def dnd_bindsource(type, *args)
+        # if args[0].kind_of?(Proc) || args[0].kind_of?(Method)
+        if TkComm._callback_entry?(args[0]) || !block_given?
+          cmd = args.shift
+        else
+          cmd = Proc.new
+        end
+
+        args = [TkComm::None] if args.empty?
+
+        tk_call('dnd', 'bindsource', @path, type, cmd, *args)
+        self
+      end
+
+      def dnd_clearsource()
+        tk_call('dnd', 'clearsource', @path)
+        self
+      end
+
+      def dnd_drag(keys=nil)
+        tk_call('dnd', 'drag', @path, *hash_kv(keys))
+        self
+      end
+    end
+  end
+end
+
+class TkWindow
+  include Tk::TkDND::DND
+end
-- 
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