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Add code to test which backends are available, and show which one was selected.

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This commit is contained in:
Robin Dunn
2020-10-13 14:17:34 -07:00
parent cddbbc5001
commit 84b9af5c22
1 changed files with 23 additions and 3 deletions
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26
demo/HTML2_WebView.py
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@@ -1,8 +1,17 @@
#!/usr/bin/env python #!/usr/bin/env python
import os
import wx import wx
import wx.html2 as webview import wx.html2 as webview
# WebView Backends
backends = [
(webview.WebViewBackendEdge, 'WebViewBackendEdge'),
(webview.WebViewBackendIE, 'WebViewBackendIE'),
(webview.WebViewBackendWebKit, 'WebViewBackendWebKit'),
(webview.WebViewBackendDefault, 'WebViewBackendDefault'),
]
#---------------------------------------------------------------------- #----------------------------------------------------------------------
class TestPanel(wx.Panel): class TestPanel(wx.Panel):
@@ -18,18 +27,29 @@ class TestPanel(wx.Panel):
sizer = wx.BoxSizer(wx.VERTICAL) sizer = wx.BoxSizer(wx.VERTICAL)
btnSizer = wx.BoxSizer(wx.HORIZONTAL) btnSizer = wx.BoxSizer(wx.HORIZONTAL)
# The emulation level is a persistent per-user per-application value. # The Internet Explorer emulation level is a persistent per-user and
# per-application value.
webview.WebView.MSWSetEmulationLevel(webview.WEBVIEWIE_EMU_IE11) webview.WebView.MSWSetEmulationLevel(webview.WEBVIEWIE_EMU_IE11)
self.wv = webview.WebView.New(self)
# If you would like to reset it back to the default (no-emulation) then # If you would like to reset it back to the default (no-emulation) then
# it can be done by calling this: # it can be done by calling this:
# webview.WebView.MSWSetEmulationLevel(webview.WEBVIEWIE_EMU_DEFAULT) # webview.WebView.MSWSetEmulationLevel(webview.WEBVIEWIE_EMU_DEFAULT)
# Find an available backend
backend = None
for id, name in backends:
available = webview.WebView.IsBackendAvailable(id)
log.write("Backend 'wx.html2.{}' availability: {}\n".format(name, available))
if available and backend is None:
backend = id
log.write("Using backend: '{}'\n".format(str(backend, 'ascii')))
# Create the WebView
self.wv = webview.WebView.New(self, backend=backend)
self.Bind(webview.EVT_WEBVIEW_NAVIGATING, self.OnWebViewNavigating, self.wv) self.Bind(webview.EVT_WEBVIEW_NAVIGATING, self.OnWebViewNavigating, self.wv)
self.Bind(webview.EVT_WEBVIEW_LOADED, self.OnWebViewLoaded, self.wv) self.Bind(webview.EVT_WEBVIEW_LOADED, self.OnWebViewLoaded, self.wv)
btn = wx.Button(self, -1, "Open", style=wx.BU_EXACTFIT) btn = wx.Button(self, -1, "Open", style=wx.BU_EXACTFIT)
self.Bind(wx.EVT_BUTTON, self.OnOpenButton, btn) self.Bind(wx.EVT_BUTTON, self.OnOpenButton, btn)
btnSizer.Add(btn, 0, wx.EXPAND|wx.ALL, 2) btnSizer.Add(btn, 0, wx.EXPAND|wx.ALL, 2)