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/sample/bindtag_sample.rb | 127 +++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 jni/ruby/ext/tk/sample/bindtag_sample.rb

(limited to 'jni/ruby/ext/tk/sample/bindtag_sample.rb')

diff --git a/jni/ruby/ext/tk/sample/bindtag_sample.rb b/jni/ruby/ext/tk/sample/bindtag_sample.rb
new file mode 100644
index 0000000..b13364b
--- /dev/null
+++ b/jni/ruby/ext/tk/sample/bindtag_sample.rb
@@ -0,0 +1,127 @@
+#!/usr/bin/env ruby
+require 'tk'
+
+TkLabel.new(:text=><<EOT, :justify=>:left).pack
+This is a sample of bindtags and usage of
+Tk.callback_break/Tk.callback_continue.
+Please check the work of following buttons
+(attend the difference between before/after
+ pressing the bottom button), and see the
+source code.
+EOT
+
+def set_class_bind
+  TkButton.bind('ButtonPress-1',
+                proc{puts 'bind "ButtonPress-1" of TkButton class'})
+  TkButton.bind('ButtonRelease-1',
+                proc{puts 'bind "ButtonRelease-1" of TkButton class'})
+end
+
+# set root binding
+r = TkRoot.new
+r.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of root widget'})
+r.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of root widget'})
+
+# set 'all' binding
+TkBindTag::ALL.bind('ButtonPress-1',
+                    proc{puts 'bind "ButtonPress-1" of the tag "all"'})
+TkBindTag::ALL.bind('ButtonRelease-1',
+                    proc{puts 'bind "ButtonRelease-1" of the tag "all"'})
+
+# create buttons
+b1 = TkButton.new(:text=>'button-1',
+                  :command=>proc{puts "command of button-1"}).pack
+b2 = TkButton.new(:text=>'button-2',
+                  :command=>proc{puts "command of button-2"}).pack
+b3 = TkButton.new(:text=>'button-3',
+                  :command=>proc{puts "command of button-3"}).pack
+b4 = TkButton.new(:text=>'button-4',
+                  :command=>proc{puts "command of button-4"}).pack
+b5 = TkButton.new(:text=>'button-5',
+                  :command=>proc{puts "command of button-5"}).pack
+
+# set button binding
+b1.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of button-1'})
+b1.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of button-1'})
+
+b2.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of button-2'})
+b2.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of button-2'})
+
+b3.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of button-3'})
+b3.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of button-3'})
+
+b4.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of button-4'})
+b4.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of button-4'})
+
+b5.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of button-5'})
+b5.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of button-5'})
+
+# create bindtag and set binding
+tag1 = TkBindTag.new
+tag1.bind('ButtonPress-1',   proc{puts 'bind "ButtonPress-1" of tag1'})
+tag1.bind('ButtonRelease-1', proc{puts 'bind "ButtonRelease-1" of tag1'})
+
+tag2 = TkBindTag.new
+tag2.bind('ButtonPress-1',
+          proc{
+            puts 'bind "ButtonPress-1" of tag2'
+            puts 'call Tk.callback_continue'
+            Tk.callback_continue
+            puts 'never see this message'
+          })
+tag2.bind('ButtonRelease-1',
+          proc{
+            puts 'bind "ButtonRelease-1" of tag2'
+            puts 'call Tk.callback_continue'
+            Tk.callback_continue
+            puts 'never see this message'
+          })
+
+tag3 = TkBindTag.new
+tag3.bind('ButtonPress-1',
+          proc{
+            puts 'bind "ButtonPress-1" of tag3'
+            puts 'call Tk.callback_break'
+            Tk.callback_break
+            puts 'never see this message'
+          })
+tag3.bind('ButtonRelease-1',
+          proc{
+            puts 'bind "ButtonRelease-1" of tag3'
+            puts 'call Tk.callback_break'
+            Tk.callback_break
+            puts 'never see this message'
+          })
+
+# set bindtags
+p b1.bindtags
+
+tags = b2.bindtags
+tags[2,0] = tag1
+tags[0,0] = tag1
+b2.bindtags(tags)
+p b2.bindtags
+
+tags = b3.bindtags
+tags[2,0] = tag2
+tags[0,0] = tag2
+b3.bindtags(tags)
+p b3.bindtags
+
+tags = b4.bindtags
+tags[2,0] = tag3
+tags[0,0] = tag3
+b4.bindtags(tags)
+p b4.bindtags
+
+b5.bindtags([tag1, TkButton, tag2, b5])
+
+# create button to set button class binding
+TkButton.new(:text=>'set binding to TkButton class',
+             :command=>proc{
+               puts 'call "set_class_bind"'
+               set_class_bind
+             }).pack(:pady=>7)
+
+# start event-loop
+Tk.mainloop
-- 
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