1 # sample_one.py
   2 import os
   3 import wx
   4 from   wx.lib.embeddedimage import PyEmbeddedImage
   5 # class MyFrame
   6 # class MyDlgLogin
   7 # class MyApp
   8 Key_Png = PyEmbeddedImage(
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  42     b'Ujn9hf0zGxt3y84XQDgBIxehUgH3JhfUlcz3vM8LEz5IAoGrkIKeXxl8+kFWMhrFDIzGMjPd'
  43     b'Nm2fOuM/9cXbL0WT14FrEn4EiC3u/G9doYNP16/WFfudPftn1m3fEwANyIfZCEx+CisMyNjo'
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  47     b'rwVWFoBR4YCkCXEBKcCEnotOms/kJI8OzrbeDMbb13oMx0A0FYhaYgi4KvudAtyACkQWViYN'
  48     b'BubhFXhv74HpVTt2+0GZhw/OwNRVqC4EvSELDAf0B7j7iYGvTycRU7nanhk9OhC62juXaAFa'
  49     b'gHsSLgRMAFHSoF97Ch38Yv0qTVU+ePGl8ap122ZBwk/eg7lOWFkG2hoPFJaCN4A1B5cv5tsf'
  50     b'dCSHA0nT/1nA3zsZN7tk2h1AAACw5aRN+gPg1yqKcvoFCQ/z8BPDELkNK8tBrfdAQT6ETAhG'
  51     b'iIRUBn2Efz4SuGwJ0S77PAwMAbOLoR+agYMH6uo0ldP7np2sWS/hKYbxAYj1zsMrHhXmkjAx'
  52     b'ClETTAhNuZiO2OH78EPAZaBHdjoJCIBHYiCVUnbVrI7VbH1C3mHzYLQXbC+srJPfaiIWCW+C'
  53     b'0ISC3+dgZsLAO5TJaDjpB3zAOBBckr/QJE1RkJ1joqiAB0buAGNQUaNAuRumYkSmFc4cK2Rg'
  54     b'1EhMzNnhqYgZHAjFRtumI63AIBAGWBIDwlZy3R4TnDDUCVoUyuuAqhxIaRCZo68ri1Pt2siZ'
  55     b'3rErKVt4gUlgBhgB+oDZJTOgqSLf4zHx9YMRh7KVQEkWZGZDzxSpabja4rGujQe678O3ANeA'
  56     b'Cdn3sFzNJTPgdInCnIIk7mxwVwIpYDIK3hiYFn09blr6lGlvKH4HaAPa03Wmp8WAQ6fIFUlh'
  57     b'TcDMkMzSslEswILW1mxxfWy2FxgAvDJx/t8YiCXsnlOnlq1NpixNgIoUCHRUtXvSnrrlC7cD'
  58     b'd4ApQLDEWvwoUQxsBxqAzEWAiixV34K3JIsl1IOehYwF74AaiwU2MIv8/gyw9AZ+/98qS6v/'
  59     b'AUoSr1gPNRy7AAAAAElFTkSuQmCC')
  60 #---------------------------------------------------------------------------
  61 class MyFrame(wx.Frame):
  62     def __init__(self):
  63         wx.Frame.__init__(self, None, title=wx.GetApp().GetAppName())
  64         self.SetIcon(wx.Icon('wxwin.ico'))
  65         self._createControls()
  66         self.CenterOnScreen()
  67     def _createControls(self):
  68         # A Statusbar in the bottom of the window
  69         self.CreateStatusBar(1)
  70         sMsg = 'wxPython ' + wx.version() + ' - ' + wx.GetLibraryVersionInfo().VersionString
  71         self.SetStatusText(sMsg)
  72         # Add a panel to the frame (needed under Windows to have a nice background)
  73         pnl = wx.Panel(self, wx.ID_ANY)
  74         szrMain = wx.BoxSizer(wx.VERTICAL)
  75         szrMain.AddSpacer(15)
  76         label = wx.StaticText(pnl, wx.ID_STATIC, 'Well done!.\nYou have successfully entered the required password.')
  77         szrMain.Add(label, 0, wx.ALL, 15)
  78         szrMain.AddSpacer(15)
  79         pnl.SetSizer(szrMain)
  80         szrMain.SetSizeHints(self)
  81 #---------------------------------------------------------------------------
  82 
  83 class MyDlgLogin(wx.Dialog):
  84     def __init__(self, parent, password, maxAttemps):
  85         wx.Dialog.__init__(self, parent, title='Restricted access')
  86         self._iMaxAttemps = maxAttemps
  87         self._iAttemps = 0
  88         self._sPassword = password
  89         self._createInterface()
  90         self._txtPwd.SetFocus()
  91         self._connectControls()
  92         self.CenterOnParent()
  93     def _createInterface(self):
  94         szrMain = wx.BoxSizer(wx.VERTICAL)
  95         lnszr = wx.BoxSizer(wx.HORIZONTAL)
  96         bmpCtrl = wx.StaticBitmap(self, wx.ID_STATIC, Key_Png.GetBitmap())
  97         lnszr.Add(bmpCtrl, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 10)
  98         label = wx.StaticText(self, wx.ID_STATIC, 'Access to this application has been\nprotected with a password.')
  99         lnszr.Add(label, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 10)
 100         szrMain.Add(lnszr, 0, wx.ALL, 0)
 101         label = wx.StaticText(self, wx.ID_STATIC, 'For this test application, the password is "' + self._sPassword + '"')
 102         szrMain.Add(label, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM, 10)
 103         self._lblWrongPwd = wx.StaticText(self, wx.ID_STATIC, 'Incorrect password!')
 104         self._lblWrongPwd.SetFont(label.GetFont().MakeBold())
 105         self._lblWrongPwd.SetForegroundColour(wx.RED)
 106         szrMain.Add(self._lblWrongPwd, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.ALIGN_CENTER_HORIZONTAL, 10)
 107         lnszr = wx.BoxSizer(wx.HORIZONTAL)
 108         label = wx.StaticText(self, wx.ID_STATIC, 'Enter the access password:')
 109         lnszr.Add(label, 0, wx.ALL|wx.ALIGN_CENTER_VERTICAL, 0)
 110         self._txtPwd = wx.TextCtrl(self, wx.ID_ANY, '', style=wx.TE_PASSWORD)
 111         lnszr.Add(self._txtPwd, 1, wx.LEFT|wx.ALIGN_CENTER_VERTICAL, 5)
 112         szrMain.Add(lnszr, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM|wx.EXPAND, 10)
 113         self._chkShowPwd = wx.CheckBox(self, wx.ID_ANY, 'Display password in plain text')
 114         szrMain.Add(self._chkShowPwd, 0, wx.LEFT|wx.RIGHT|wx.BOTTOM, 10)
 115         btnSzr = self.CreateSeparatedButtonSizer(wx.OK|wx.CANCEL)
 116         btnOk = self.FindWindowById(wx.ID_OK)
 117         if not btnOk is None:
 118             btnOk.SetLabel('Access')
 119             btnOk.SetDefault()
 120         szrMain.Add(btnSzr, 0, wx.ALL|wx.EXPAND, 10)
 121         self.SetSizer(szrMain)
 122         self._lblWrongPwd.Hide()
 123         szrMain.SetSizeHints(self)
 124     def _connectControls(self):
 125         self._chkShowPwd.Bind(wx.EVT_CHECKBOX, self._onChkShowPasswordClicked)
 126         self.Bind(wx.EVT_BUTTON, self._onBtnOkClicked, id=wx.ID_OK)
 127     def _onChkShowPasswordClicked(self, evt):
 128         self.Freeze()
 129         sPass = self._txtPwd.GetValue()
 130         lnszr = self._txtPwd.GetContainingSizer()
 131         iStyle = 0
 132         if not self._chkShowPwd.IsChecked():
 133             iStyle = wx.TE_PASSWORD
 134         lnszr.Detach(self._txtPwd)
 135         self._txtPwd.Destroy()
 136         self._txtPwd = wx.TextCtrl(self, wx.ID_ANY, sPass, style=iStyle)
 137         lnszr.Add(self._txtPwd, 1, wx.LEFT|wx.ALIGN_CENTER_VERTICAL, 5)
 138         lnszr.Layout()
 139         self.Thaw()
 140     def _onBtnOkClicked(self, evt):
 141         iRes = wx.ID_OK
 142         if self._txtPwd.GetValue() != self._sPassword:
 143             iRes = wx.ID_CANCEL
 144         if (iRes == wx.ID_OK) or (self._iAttemps == (self._iMaxAttemps - 1)):
 145             self.EndModal(iRes)
 146         if self._iAttemps == 0:
 147             self._lblWrongPwd.Show()
 148             self.GetSizer().SetSizeHints(self)
 149             self.CenterOnParent()
 150         self._txtPwd.SetFocus()
 151         self._txtPwd.SetSelection(-1, -1)
 152         self._iAttemps += 1
 153         self._lblWrongPwd.SetLabel('Incorrect password: trial {:0d}/{:0d}'.format(self._iAttemps+1, self._iMaxAttemps))
 154         self.GetSizer().Layout()
 155 
 156 #---------------------------------------------------------------------------
 157 class MyApp(wx.App):
 158     def OnInit(self):
 159         print('Running wxPython ' + wx.version())
 160         self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)
 161 
 162         # Set Current directory to the one containing this file
 163         os.chdir(os.path.dirname(os.path.abspath(__file__)))
 164         self.SetAppName('PwdProtect')
 165         dlg = MyDlgLogin(None, 'wxWidgets', 3)
 166         if dlg.ShowModal() != wx.ID_OK:
 167             wx.MessageBox('You can not access to this application!', 'Password required', wx.ICON_EXCLAMATION|wx.OK|wx.CENTER)
 168             return False
 169         dlg.Destroy()
 170         # Create the main window
 171         frm = MyFrame()
 172         self.SetTopWindow(frm)
 173         frm.Show()
 174         return True
 175 #---------------------------------------------------------------------------
 176 
 177 if __name__ == '__main__':
 178     app = MyApp()
 179     app.MainLoop()