cefpython/src/cefpython3.wx/examples/sample2.py at master · anonymouscript/cefpython · GitHub

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# Slightly more advanced sample illustrating the usage of CEFWindow class.

# On Mac the cefpython library must be imported the very first,

# before any other libraries (Issue 155).

import cefpython3.wx.chromectrl as chrome

# TODO: There is something wrong happening on Linux. CPU usage

# for the python process is 100% all the time. This problem

# does not occur on Windows, nor in sample1.py/sample3.py.

# It must have something to do with invalid usage of the wx

# controls in this example.

import wx

import wx.lib.agw.flatnotebook as fnb

import platform

import sys

ROOT_NAME = "My Locations"

URLS = ["http://gmail.com",

"http://maps.google.com",

"http://youtube.com",

"http://yahoo.com",

"http://wikipedia.com",

"http://cyaninc.com",

"http://tavmjong.free.fr/INKSCAPE/MANUAL/web/svg_tests.php"

]

class MainFrame(wx.Frame):

def __init__(self):

wx.Frame.__init__(self, parent=None, id=wx.ID_ANY,

title='cefwx example2', size=(800, 600))

self.initComponents()

self.layoutComponents()

self.initEventHandlers()

if len(sys.argv) == 2 and sys.argv[1] == "test-launch":

wx.CallLater(500, self.testLaunch)

def testLaunch(self):

# This hash is checked by /tests/test-launch.sh script

# to detect whether CEF initialized successfully.

print("b8ba7d9945c22425328df2e21fbb64cd")

self.Close()

def initComponents(self):

self.tree = wx.TreeCtrl(self, id=-1, size=(200, -1))

self.root = self.tree.AddRoot(ROOT_NAME)

for url in URLS:

self.tree.AppendItem(self.root, url)

self.tree.Expand(self.root)

self.tabs = fnb.FlatNotebook(self, wx.ID_ANY,

agwStyle=fnb.FNB_NODRAG | fnb.FNB_X_ON_TAB)

# You also have to set the wx.WANTS_CHARS style for

# all parent panels/controls, if it's deeply embedded.

self.tabs.SetWindowStyleFlag(wx.WANTS_CHARS)

def layoutComponents(self):

sizer = wx.BoxSizer(wx.HORIZONTAL)

sizer.Add(self.tree, 0, wx.EXPAND)

sizer.Add(self.tabs, 1, wx.EXPAND)

self.SetSizer(sizer)

def initEventHandlers(self):

self.Bind(wx.EVT_TREE_SEL_CHANGED, self.OnSelChanged, self.tree)

self.Bind(fnb.EVT_FLATNOTEBOOK_PAGE_CLOSING, self.OnPageClosing)

self.Bind(wx.EVT_CLOSE, self.OnClose)

def OnSelChanged(self, event):

self.item = event.GetItem()

url = self.tree.GetItemText(self.item)

if url and url != ROOT_NAME:

cefPanel = chrome.ChromeCtrl(self.tabs, useTimer=True, url=str(url))

self.tabs.AddPage(cefPanel, url)

self.tabs.SetSelection(self.tabs.GetPageCount()-1)

event.Skip()

def OnPageClosing(self, event):

print("sample2.py: One could place some extra closing stuff here")

event.Skip()

def OnClose(self, event):

# Remember to destroy all CEF browser references before calling

# Destroy(), so that browser closes cleanly. In this specific

# example there are no references kept, but keep this in mind

# for the future.

self.Destroy()

# On Mac the code after app.MainLoop() never executes, so

# need to call CEF shutdown here.

if platform.system() == "Darwin":

chrome.Shutdown()

wx.GetApp().Exit()

class MyApp(wx.App):

def OnInit(self):

frame = MainFrame()

self.SetTopWindow(frame)

frame.Show()

return True

if __name__ == '__main__':

chrome.Initialize()

if platform.system() == "Linux":

# CEF initialization fails intermittently on Linux during

# launch of a subprocess (Issue 131). The solution is

# to offload cpu for half a second after Initialize

# has returned (it still runs some stuff in its thread).

import time

time.sleep(0.5)

print('sample2.py: wx.version=%s' % wx.version())

app = MyApp(False)

app.MainLoop()

# Important: do the wx cleanup before calling Shutdown

del app

# On Mac Shutdown is called in OnClose

if platform.system() in ["Linux", "Windows"]:

chrome.Shutdown()

cefpython/src/cefpython3.wx/examples/sample2.py at master · anonymouscript/cefpython · GitHub

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