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cztomczakcztomczak
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Add gtk.py example (cztomczak#253), use PyGObject/Gtk, test with Python 2 / 3.
Fix compile.py, allow for execution using "python3" binary. Make ApplicationSettings.log_severity=LOGSEVERITY_ERROR the default, so that annoying X11 server non-fatal errors aren't displayed.
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+120
-11
lines changed

5 files changed

+120
-11
lines changed

‎examples/gtk.py‎

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@@ -0,0 +1,97 @@
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# Example of embedding CEF Python browser using PyGObject/Gtk library.
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# Tested with GTK 3.10.
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from cefpython3 import cefpython as cef
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# noinspection PyUnresolvedReferences
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from gi.repository import GdkX11, Gtk, GObject, GdkPixbuf
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import sys
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import os
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import time
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def main():
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version_info()
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app = GtkExample()
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SystemExit(app.run(sys.argv))
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def version_info():
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print("CEF Python "+cef.__version__)
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print("Python "+sys.version[:6])
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print("GTK %s.%s" % (Gtk.get_major_version(), Gtk.get_minor_version()))
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class GtkExample(Gtk.Application):
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def __init__(self):
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super(GtkExample, self).__init__(application_id='cefpython.gtk')
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self.browser = None
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self.window = None
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def run(self, argv):
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cef.Initialize()
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GObject.threads_init()
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GObject.timeout_add(10, self.on_timer)
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self.connect("activate", self.on_activate)
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self.connect("shutdown", self.on_shutdown)
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return super(GtkExample, self).run(argv)
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def on_timer(self):
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cef.MessageLoopWork()
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return True
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def on_activate(self, *_):
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self.window = Gtk.ApplicationWindow.new(self)
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self.window.set_title("Gtk example")
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self.window.set_default_size(800, 600)
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self.window.connect("configure-event", self.on_configure)
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self.window.connect("size-allocate", self.on_size_allocate)
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self.window.connect("focus-in-event", self.on_focus_in)
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self.window.connect("delete-event", self.on_window_close)
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self.setup_icon()
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self.window.realize()
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window_info = cef.WindowInfo()
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window_info.SetAsChild(self.window.get_property("window").get_xid())
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self.browser = cef.CreateBrowserSync(window_info,
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url="https://www.google.com/")
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self.window.get_property("window").focus(False)
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self.window.show_all()
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def on_configure(self, *_):
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if self.browser:
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self.browser.NotifyMoveOrResizeStarted()
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return False
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def on_size_allocate(self, _, data):
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if self.browser:
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self.browser.SetBounds(data.x, data.y, data.width, data.height)
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def on_focus_in(self, *_):
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if self.browser:
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self.browser.SetFocus(True)
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return True
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return False
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def on_window_close(self, *_):
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# Close browser and free reference
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self.browser.CloseBrowser(True)
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del self.browser
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# Give the browser some time to close before calling cef.Shutdown()
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for i in range(10):
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cef.MessageLoopWork()
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time.sleep(0.01)
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def on_shutdown(self, *_):
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cef.Shutdown()
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def setup_icon(self):
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icon = os.path.join(os.path.dirname(__file__), "resources", "gtk.png")
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if not os.path.exists(icon):
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return
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pixbuf = GdkPixbuf.Pixbuf.new_from_file(icon)
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transparent = pixbuf.add_alpha(True, 0xff, 0xff, 0xff)
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Gtk.Window.set_default_icon_list([transparent])
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if __name__ == '__main__':
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main()

‎examples/hello_world.py‎

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@@ -1,11 +1,12 @@
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# Hello world example doesn't depend on any third party GUI framework.
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# Hello world example. Doesn't depend on any third party GUI framework.
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from cefpython3 import cefpython as cef
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import sys
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def main():
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"""Main entry point."""
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version_info()
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sys.excepthook = cef.ExceptHook
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cef.Initialize()
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browser = cef.CreateBrowserSync(url="https://www.google.com/")
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cef.Shutdown()
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def version_info():
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print("CEF Python "+cef.__version__)
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print("Python "+sys.version[:6])
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class ClientHandler:
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def OnBeforeClose(self, browser):

‎examples/resources/gtk.png‎

7.93 KB
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‎src/cefpython.pyx‎

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Original file line numberDiff line numberDiff line change
@@ -602,6 +602,10 @@ def Initialize(applicationSettings=None, commandLineSwitches=None):
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if "debug" not in applicationSettings:
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applicationSettings["debug"] = False
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if "log_severity" not in applicationSettings:
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# By default show only errors. Don't show on Linux X server non-fatal
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# errors like "WARNING:x11_util.cc(1409)] X error received".
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applicationSettings["log_severity"] = LOGSEVERITY_ERROR
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if "string_encoding" not in applicationSettings:
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applicationSettings["string_encoding"] = "utf-8"
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if "unique_request_context_per_browser" not in applicationSettings:

‎src/linux/compile.py‎

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@@ -153,7 +153,8 @@
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os.chdir("./setup")
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ret = subprocess.call("python fix_pyx_files.py", shell=True)
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ret = subprocess.call("{python} fix_pyx_files.py"
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.format(python=sys.executable), shell=True)
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if ret != 0:
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sys.exit("ERROR")
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" --cython-gdb", shell=True)
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else:
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if FAST:
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ret = subprocess.call("python setup.py build_ext --inplace --fast",
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shell=True)
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ret = subprocess.call("{python} setup.py build_ext --inplace --fast"
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.format(python=sys.executable), shell=True)
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else:
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ret = subprocess.call("python setup.py build_ext --inplace",
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shell=True)
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ret = subprocess.call("{python} setup.py build_ext --inplace"
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.format(python=sys.executable), shell=True)
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if DEBUG:
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shutil.rmtree("./../binaries_%s/cython_debug/" % BITS, ignore_errors=True)
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subprocess.call("cygdb . --args python-dbg wxpython.py", shell=True)
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else:
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if KIVY:
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os.system("python binaries_64bit/kivy_.py")
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os.system("{python} binaries_64bit/kivy_.py"
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.format(python=sys.executable))
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else:
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print("Make installer and run setup.py install...")
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@@ -220,10 +222,10 @@
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sudo = ""
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# Make installer, install, run hello world and return to initial dir
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os.system("cd ./installer/ && python make-setup.py --version {ver}"
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os.system("cd ./installer/ && {python} make-setup.py --version {ver}"
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" && cd cefpython3-{ver}-*-setup/"
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" && {sudo} python setup.py install"
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" && {sudo} {python} setup.py install"
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" && cd ../ && {sudo} rm -rf ./cefpython3-{ver}-*-setup/"
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" && cd ../../../examples/"
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" && python hello_world.py && cd ../src/linux/"
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.format(ver=VERSION, sudo=sudo))
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" && {python} hello_world.py && cd ../src/linux/"
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.format(python=sys.executable, ver=VERSION, sudo=sudo))

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