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/tksleep_sample.rb | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 jni/ruby/ext/tk/sample/tksleep_sample.rb

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

diff --git a/jni/ruby/ext/tk/sample/tksleep_sample.rb b/jni/ruby/ext/tk/sample/tksleep_sample.rb
new file mode 100644
index 0000000..23f6eca
--- /dev/null
+++ b/jni/ruby/ext/tk/sample/tksleep_sample.rb
@@ -0,0 +1,29 @@
+require 'tk'
+
+v = TkVariable.new(0)
+l = TkLabel.new(:textvariable=>v).pack(:pady=>[1, 10])
+
+a = TkButton.new(:text=>"button A :: proc{p ['AAA', v.value]}").pack(:fill=>:x, :pady=>[1, 15], :padx=>15)
+a.command{p ['AAA', v.value]}
+
+TkLabel.new(:text=>'Callback of the button B returns LIFO order').pack
+b = TkButton.new(:text=>"button B :: proc{n = v.value; p ['B:start', n]; Tk.sleep(10000); p ['B:end', n]}").pack(:fill=>:x, :pady=>[1, 15], :padx=>15)
+b.command{n = v.value; p ['B:start', n]; Tk.sleep(10000); p ['B:end', n]}
+
+TkLabel.new(:text=>'Callback of the button C returns FIFO order').pack
+c = TkButton.new(:text=>"button C :: proc{n = v.value; Thread.new{p ['C:start', n]; Tk.sleep(10000); p ['C:end', n]}}").pack(:fill=>:x, :pady=>[1, 15], :padx=>15)
+c.command{n = v.value; Thread.new{p ['C:start', n]; Tk.sleep(10000); p ['C:end', n]}}
+
+TkLabel.new(:text=>'Callback of the button D blocks eventloop (no respond to event)').pack
+d = TkButton.new(:text=>"button D :: proc{n = v.value; p ['D:start', n]; sleep(10); p ['D:end', n]}").pack(:fill=>:x, :pady=>[1,15], :padx=>15)
+d.command{n = v.value; p ['D:start', n]; sleep(10); p ['D:end', n]}
+
+TkLabel.new(:text=>'Callback of the button E is another way to avoid eventloop blocking').pack
+e = TkButton.new(:text=>"button E :: proc{n = v.value; Thread.new{p ['D:start', n]; sleep(10); p ['D:end', n]}}").pack(:fill=>:x, :pady=>[1,15], :padx=>15)
+e.command{n = v.value; Thread.new{p ['D:start', n]; sleep(10); p ['D:end', n]}}
+
+TkButton.new(:text=>'QUIT', :command=>proc{exit}).pack
+
+TkTimer.new(500, -1){v.numeric += 1}.start
+
+Tk.mainloop
-- 
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