|
| 1 | +# An example of embedding CEF in PyGTK application. |
| 2 | + |
| 3 | +import platform |
| 4 | +if platform.architecture()[0] != "32bit": |
| 5 | + raise Exception("Only 32bit architecture is supported") |
| 6 | + |
| 7 | +import ctypes, os |
| 8 | +ctypes.CDLL(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'libcef.so'), ctypes.RTLD_GLOBAL) |
| 9 | +import cefpython_py27 as cefpython |
| 10 | + |
| 11 | +import sys |
| 12 | + |
| 13 | +""" |
| 14 | +try: |
| 15 | + # Import local PYD file (portable zip). |
| 16 | + if sys.hexversion >= 0x02070000 and sys.hexversion < 0x03000000: |
| 17 | + import cefpython_py27 as cefpython |
| 18 | + elif sys.hexversion >= 0x03000000 and sys.hexversion < 0x04000000: |
| 19 | + import cefpython_py32 as cefpython |
| 20 | + else: |
| 21 | + raise Exception("Unsupported python version: %s" % sys.version) |
| 22 | +except ImportError: |
| 23 | + # Import from package (installer). |
| 24 | + from cefpython1 import cefpython |
| 25 | +""" |
| 26 | + |
| 27 | +import pygtk |
| 28 | +pygtk.require('2.0') |
| 29 | +import gtk |
| 30 | +import gobject |
| 31 | +import ctypes |
| 32 | +import re |
| 33 | + |
| 34 | +def GetApplicationPath(file=None): |
| 35 | + import re, os |
| 36 | + # If file is None return current directory without trailing slash. |
| 37 | + if file is None: |
| 38 | + file = "" |
| 39 | + # Only when relative path. |
| 40 | + if not file.startswith("/") and not file.startswith("\\") and ( |
| 41 | + not re.search(r"^[\w-]+:", file)): |
| 42 | + if hasattr(sys, "frozen"): |
| 43 | + path = os.path.dirname(sys.executable) |
| 44 | + elif "__file__" in globals(): |
| 45 | + path = os.path.dirname(os.path.realpath(__file__)) |
| 46 | + else: |
| 47 | + path = os.getcwd() |
| 48 | + path = path + os.sep + file |
| 49 | + if platform.system() == "Windows": |
| 50 | + path = re.sub(r"[/\\]+", re.escape(os.sep), path) |
| 51 | + path = re.sub(r"[/\\]+$", "", path) |
| 52 | + return path |
| 53 | + return str(file) |
| 54 | + |
| 55 | +def ExceptHook(type, value, traceObject): |
| 56 | + import traceback, os, time |
| 57 | + # This hook does the following: in case of exception display it, |
| 58 | + # write to error.log, shutdown CEF and exit application. |
| 59 | + error = "\n".join(traceback.format_exception(type, value, traceObject)) |
| 60 | + with open(GetApplicationPath("error.log"), "a") as file: |
| 61 | + file.write("\n[%s] %s\n" % (time.strftime("%Y-%m-%d %H:%M:%S"), error)) |
| 62 | + print("\n"+error+"\n") |
| 63 | + cefpython.QuitMessageLoop() |
| 64 | + cefpython.Shutdown() |
| 65 | + # So that "finally" does not execute. |
| 66 | + os._exit(1) |
| 67 | + |
| 68 | +class PyGTKExample: |
| 69 | + |
| 70 | + mainWindow = None |
| 71 | + container = None |
| 72 | + browser = None |
| 73 | + exiting = None |
| 74 | + searchEntry = None |
| 75 | + vbox = None |
| 76 | + |
| 77 | + def __init__(self): |
| 78 | + |
| 79 | + self.mainWindow = gtk.Window(gtk.WINDOW_TOPLEVEL) |
| 80 | + self.mainWindow.connect('destroy', self.OnExit) |
| 81 | + self.mainWindow.set_size_request(width=600, height=400) |
| 82 | + self.mainWindow.set_title('PyGTK CEF example') |
| 83 | + self.mainWindow.realize() |
| 84 | + |
| 85 | + self.vbox = gtk.VBox(False, 0) |
| 86 | + self.vbox.pack_start(self.CreateMenu(), False, False, 0) |
| 87 | + self.mainWindow.add(self.vbox) |
| 88 | + |
| 89 | + m = re.search("GtkVBox at 0x(\w+)", str(self.vbox)) |
| 90 | + hexID = m.group(1) |
| 91 | + windowID = int(hexID, 16) |
| 92 | + |
| 93 | + windowInfo = cefpython.WindowInfo() |
| 94 | + windowInfo.SetAsChild(windowID) |
| 95 | + # Linux requires adding "file://" for local files, |
| 96 | + # otherwise /home/some will be replaced as http://home/some |
| 97 | + self.browser = cefpython.CreateBrowserSync( |
| 98 | + windowInfo, |
| 99 | + browserSettings={}, |
| 100 | + navigateUrl="file://"+GetApplicationPath("cefsimple.html")) |
| 101 | + |
| 102 | + # Must be show_all() for VBox otherwise browser doesn't |
| 103 | + # appear when you just call show(). |
| 104 | + self.vbox.show_all() |
| 105 | + |
| 106 | + self.mainWindow.show() |
| 107 | + gobject.timeout_add(10, self.OnTimer) |
| 108 | + |
| 109 | + def CreateMenu(self): |
| 110 | + |
| 111 | + file = gtk.MenuItem('File') |
| 112 | + file.show() |
| 113 | + filemenu = gtk.Menu() |
| 114 | + item = gtk.MenuItem('Open') |
| 115 | + filemenu.append(item) |
| 116 | + item.show() |
| 117 | + item = gtk.MenuItem('Exit') |
| 118 | + filemenu.append(item) |
| 119 | + item.show() |
| 120 | + file.set_submenu(filemenu) |
| 121 | + |
| 122 | + about = gtk.MenuItem('About') |
| 123 | + about.show() |
| 124 | + aboutmenu = gtk.Menu() |
| 125 | + item = gtk.MenuItem('CEF Python') |
| 126 | + aboutmenu.append(item) |
| 127 | + item.show() |
| 128 | + about.set_submenu(aboutmenu) |
| 129 | + |
| 130 | + menubar = gtk.MenuBar() |
| 131 | + menubar.append(file) |
| 132 | + menubar.append(about) |
| 133 | + menubar.show() |
| 134 | + |
| 135 | + return menubar |
| 136 | + |
| 137 | + def OnWidgetClick(self, widget, data): |
| 138 | + |
| 139 | + self.mainWindow.get_window().focus() |
| 140 | + |
| 141 | + def OnTimer(self): |
| 142 | + |
| 143 | + if self.exiting: |
| 144 | + return False |
| 145 | + cefpython.MessageLoopWork() |
| 146 | + return True |
| 147 | + |
| 148 | + def OnFocusIn(self, widget, data): |
| 149 | + |
| 150 | + # This function is currently not called by any of code, |
| 151 | + # but if you would like for browser to have automatic focus |
| 152 | + # add such line: |
| 153 | + # self.mainWindow.connect('focus-in-event', self.OnFocusIn) |
| 154 | + self.browser.SetFocus(True) |
| 155 | + |
| 156 | + def OnExit(self, widget, data=None): |
| 157 | + |
| 158 | + self.exiting = True |
| 159 | + gtk.main_quit() |
| 160 | + |
| 161 | +if __name__ == '__main__': |
| 162 | + |
| 163 | + version = '.'.join(map(str, list(gtk.gtk_version))) |
| 164 | + print('GTK version: %s' % version) |
| 165 | + |
| 166 | + sys.excepthook = ExceptHook |
| 167 | + cefpython.g_debug = True |
| 168 | + cefpython.g_debugFile = GetApplicationPath("debug.log") |
| 169 | + settings = { |
| 170 | + "log_severity": cefpython.LOGSEVERITY_INFO, |
| 171 | + "log_file": GetApplicationPath("debug.log"), |
| 172 | + "release_dcheck_enabled": True, # Enable only when debugging. |
| 173 | + # This directories must be set on Linux |
| 174 | + "locales_dir_path": GetApplicationPath("locales"), |
| 175 | + "resources_dir_path": GetApplicationPath() |
| 176 | + } |
| 177 | + cefpython.Initialize(settings) |
| 178 | + |
| 179 | + gobject.threads_init() # timer for messageloop |
| 180 | + PyGTKExample() |
| 181 | + gtk.main() |
| 182 | + |
| 183 | + cefpython.Shutdown() |
0 commit comments