wxPython/demo/ActiveXWrapper_IE.py

   1 """
   2 <html><body>
   3 This demo shows how to embed an ActiveX control in a wxPython
   4 application, (Win32 only.)
   5
   6 <p>
   7 The MakeActiveXClass function dynamically builds a new Class on the
   8 fly, that has the same signature and semantics as wxWindow.  This
   9 means that when you call the function you get back a new class that
  10 you can use just like wxWindow, (set the size and position, use in a
  11 sizer, etc.) except its contents will be the COM control.
  12
  13 <p>
  14 This demo embeds the Internet Exploer WebBrowser control, and shows
  15 how to receive events from the COM control.  (The title bar and status
  16 bar are updated as pages change, in addition to the log messages being
  17 shown.)
  18 </body></html>
  19 """
  20
  21 from wxPython.wx import *
  22
  23 if wxPlatform == '__WXMSW__':
  24     from wxPython.lib.activexwrapper import MakeActiveXClass
  25     import win32com.client.gencache
  26
  27     try:
  28         browserModule = win32com.client.gencache.EnsureModule("{EAB22AC0-30C1-11CF-A7EB-0000C05BAE0B}", 0, 1, 1)
  29     except:
  30         raise ImportError("IE4 or greater does not appear to be installed.")
  31
  32
  33 #----------------------------------------------------------------------
  34
  35 class TestPanel(wxWindow):
  36     def __init__(self, parent, log, frame=None):
  37         wxWindow.__init__(self, parent, -1)#, style=wxCLIP_CHILDREN)
  38         self.ie = None
  39         self.log = log
  40         self.current = "http://wxPython.org/"
  41         self.frame = frame
  42         if frame:
  43             self.titleBase = frame.GetTitle()
  44
  45
  46         sizer = wxBoxSizer(wxVERTICAL)
  47         btnSizer = wxBoxSizer(wxHORIZONTAL)
  48
  49         # Make a new class that derives from the WebBrowser class in the
  50         # COM module imported above.  This class also derives from wxWindow and
  51         # implements the machinery needed to integrate the two worlds.
  52         theClass = MakeActiveXClass(browserModule.WebBrowser,
  53                                     eventObj = self)
  54
  55         # Create an instance of that class
  56         self.ie = theClass(self, -1, style=wxSUNKEN_BORDER)
  57
  58
  59         #btn = wxButton(self, wxNewId(), " Open ")
  60         #EVT_BUTTON(self, btn.GetId(), self.OnOpenButton)
  61         #btnSizer.Add(btn, 0, wxEXPAND|wxALL, 5)
  62
  63         btn = wxButton(self, wxNewId(), " Home ")
  64         EVT_BUTTON(self, btn.GetId(), self.OnHomeButton)
  65         btnSizer.Add(btn, 0, wxEXPAND|wxALL, 5)
  66
  67         btn = wxButton(self, wxNewId(), " <-- ")
  68         EVT_BUTTON(self, btn.GetId(), self.OnPrevPageButton)
  69         btnSizer.Add(btn, 0, wxEXPAND|wxALL, 5)
  70
  71         btn = wxButton(self, wxNewId(), " --> ")
  72         EVT_BUTTON(self, btn.GetId(), self.OnNextPageButton)
  73         btnSizer.Add(btn, 0, wxEXPAND|wxALL, 5)
  74
  75         txt = wxStaticText(self, -1, "Location:")
  76         btnSizer.Add(txt, 0, wxCENTER|wxALL, 5)
  77
  78         self.location = wxComboBox(self, wxNewId(), "", style=wxCB_DROPDOWN)
  79         EVT_COMBOBOX(self, self.location.GetId(), self.OnLocationSelect)
  80         EVT_KEY_UP(self.location, self.OnLocationKey)
  81         #EVT_CHAR(self.location, self.IgnoreReturn)
  82         btnSizer.Add(self.location, 1, wxEXPAND|wxALL, 5)
  83
  84         sizer.Add(btnSizer, 0, wxEXPAND)
  85         sizer.Add(self.ie, 1, wxEXPAND)
  86
  87         self.ie.Navigate(self.current)
  88         self.location.Append(self.current)
  89
  90         self.SetSizer(sizer)
  91         self.SetAutoLayout(true)
  92         EVT_SIZE(self, self.OnSize)
  93
  94
  95     def OnSize(self, evt):
  96         self.Layout()
  97
  98     def __del__(self):
  99         if self.ie:
 100             self.ie.Cleanup()
 101             self.ie = None
 102
 103     def OnLocationSelect(self, evt):
 104         url = self.location.GetStringSelection()
 105         self.log.write('OnLocationSelect: %s\n' % url)
 106         self.ie.Navigate(url)
 107
 108     def OnLocationKey(self, evt):
 109         if evt.KeyCode() == WXK_RETURN:
 110             URL = self.location.GetValue()
 111             self.location.Append(URL)
 112             self.ie.Navigate(URL)
 113         else:
 114             evt.Skip()
 115
 116     def IgnoreReturn(self, evt):
 117         print 'IgnoreReturn'
 118         if evt.KeyCode() != WXK_RETURN:
 119             evt.Skip()
 120
 121     def OnOpenButton(self, event):
 122         dlg = wxTextEntryDialog(self, "Open Location",
 123                                 "Enter a full URL or local path",
 124                                 self.current, wxOK|wxCANCEL)
 125         dlg.CentreOnParent()
 126         if dlg.ShowModal() == wxID_OK:
 127             self.current = dlg.GetValue()
 128             self.ie.Navigate(self.current)
 129         dlg.Destroy()
 130
 131     def OnHomeButton(self, event):
 132         self.ie.GoHome()    ## ET Phone Home!
 133
 134     def OnPrevPageButton(self, event):
 135         self.ie.GoBack()
 136
 137
 138     def OnNextPageButton(self, event):
 139         self.ie.GoForward()
 140
 141
 142     # The following event handlers are called by the web browser COM
 143     # control since  we passed self to MakeActiveXClass.  It will look
 144     # here for matching attributes and call them if they exist.  See the
 145     # module generated by makepy for details of method names, etc.
 146     def OnBeforeNavigate2(self, pDisp, URL, *args):
 147         self.log.write('OnBeforeNavigate2: %s\n' % URL)
 148
 149     def OnNavigateComplete2(self, pDisp, URL):
 150         self.log.write('OnNavigateComplete2: %s\n' % URL)
 151         self.current = URL
 152         self.location.SetValue(URL)
 153
 154     def OnTitleChange(self, text):
 155         self.log.write('OnTitleChange: %s\n' % text)
 156         if self.frame:
 157             self.frame.SetTitle(self.titleBase + ' -- ' + text)
 158
 159     def OnStatusTextChange(self, text):
 160         self.log.write('OnStatusTextChange: %s\n' % text)
 161         if self.frame:
 162             self.frame.SetStatusText(text)
 163
 164
 165 #----------------------------------------------------------------------
 166 # for the demo framework...
 167
 168 def runTest(frame, nb, log):
 169     if wxPlatform == '__WXMSW__':
 170         win = TestPanel(nb, log, frame)
 171         return win
 172     else:
 173         dlg = wxMessageDialog(frame, 'This demo only works on MSW.',
 174                           'Sorry', wxOK | wxICON_INFORMATION)
 175         dlg.ShowModal()
 176         dlg.Destroy()
 177
 178
 179 overview = __doc__
 180
 181 #----------------------------------------------------------------------
 182
 183
 184 if __name__ == '__main__':
 185     class TestFrame(wxFrame):
 186         def __init__(self):
 187             wxFrame.__init__(self, None, -1, "ActiveX test -- Internet Explorer",
 188                              size=(640, 480),
 189                              style=wxDEFAULT_FRAME_STYLE|wxNO_FULL_REPAINT_ON_RESIZE)
 190             self.CreateStatusBar()
 191             self.tp = TestPanel(self, sys.stdout, self)
 192             EVT_CLOSE(self, self.OnCloseWindow)
 193
 194         def OnCloseWindow(self, event):
 195             self.tp.ie.Cleanup()
 196             self.Destroy()
 197
 198
 199     app = wxPySimpleApp()
 200     frame = TestFrame()
 201     frame.Show(true)
 202     app.MainLoop()
 203
 204
 205