move wxPython to new trunk

[wxWidgets.git] / wxPython / samples / wxPIA_book / Chapter-18 / worker_threads.py

diff --git a/wxPython/samples/wxPIA_book/Chapter-18/worker_threads.py b/wxPython/samples/wxPIA_book/Chapter-18/worker_threads.py
deleted file mode 100644 (file)
index 0ae091c..0000000
--- a/wxPython/samples/wxPIA_book/Chapter-18/worker_threads.py
+++ /dev/null
@@ -1,101 +0,0 @@
-import wx
-import threading
-import random
-
-class WorkerThread(threading.Thread):
-    """
-    This just simulates some long-running task that periodically sends
-    a message to the GUI thread.
-    """
-    def __init__(self, threadNum, window):
-        threading.Thread.__init__(self)
-        self.threadNum = threadNum
-        self.window = window
-        self.timeToQuit = threading.Event()
-        self.timeToQuit.clear()
-        self.messageCount = random.randint(10,20)
-        self.messageDelay = 0.1 + 2.0 * random.random()
-
-    def stop(self):
-        self.timeToQuit.set()
-
-    def run(self):
-        msg = "Thread %d iterating %d times with a delay of %1.4f\n" \
-              % (self.threadNum, self.messageCount, self.messageDelay)
-        wx.CallAfter(self.window.LogMessage, msg)
-
-        for i in range(1, self.messageCount+1):
-            self.timeToQuit.wait(self.messageDelay)
-            if self.timeToQuit.isSet():
-                break
-            msg = "Message %d from thread %d\n" % (i, self.threadNum)
-            wx.CallAfter(self.window.LogMessage, msg)
-        else:
-            wx.CallAfter(self.window.ThreadFinished, self)
-            
-            
-
-class MyFrame(wx.Frame):
-    def __init__(self):
-        wx.Frame.__init__(self, None, title="Multi-threaded GUI")
-        self.threads = []
-        self.count = 0
-        
-        panel = wx.Panel(self)
-        startBtn = wx.Button(panel, -1, "Start a thread")
-        stopBtn  = wx.Button(panel, -1, "Stop all threads")
-        self.tc = wx.StaticText(panel, -1, "Worker Threads: 00")
-        self.log = wx.TextCtrl(panel, -1, "",
-                               style=wx.TE_RICH|wx.TE_MULTILINE)
-
-        inner = wx.BoxSizer(wx.HORIZONTAL)
-        inner.Add(startBtn, 0, wx.RIGHT, 15)
-        inner.Add(stopBtn, 0, wx.RIGHT, 15)
-        inner.Add(self.tc, 0, wx.ALIGN_CENTER_VERTICAL)
-        main = wx.BoxSizer(wx.VERTICAL)
-        main.Add(inner, 0, wx.ALL, 5)
-        main.Add(self.log, 1, wx.EXPAND|wx.ALL, 5)
-        panel.SetSizer(main)
-
-        self.Bind(wx.EVT_BUTTON, self.OnStartButton, startBtn)
-        self.Bind(wx.EVT_BUTTON, self.OnStopButton, stopBtn)
-        self.Bind(wx.EVT_CLOSE,  self.OnCloseWindow)
-
-        self.UpdateCount()
-
-    def OnStartButton(self, evt):
-        self.count += 1
-        thread = WorkerThread(self.count, self)
-        self.threads.append(thread)
-        self.UpdateCount()
-        thread.start()
-    
-    def OnStopButton(self, evt):
-        self.StopThreads()
-        self.UpdateCount()
-        
-    def OnCloseWindow(self, evt):
-        self.StopThreads()
-        self.Destroy()
-
-    def StopThreads(self):
-        while self.threads:
-            thread = self.threads[0]
-            thread.stop()
-            self.threads.remove(thread)
-            
-    def UpdateCount(self):
-        self.tc.SetLabel("Worker Threads: %d" % len(self.threads))
-        
-    def LogMessage(self, msg):
-        self.log.AppendText(msg)
-        
-    def ThreadFinished(self, thread):
-        self.threads.remove(thread)
-        self.UpdateCount()
-        
-
-app = wx.PySimpleApp()
-frm = MyFrame()
-frm.Show()
-app.MainLoop()