V1.3.9

V1.3.9

Author: honghaier-game

Examples/WebbrowserProject/BrowserFrame.py

@@ -0,0 +1,95 @@
+import tkinter
+import tkinter.ttk
+import platform
+from   cefpython3 import cefpython as cef
+import ctypes
+import os
+# Platforms
+WINDOWS = (platform.system() == "Windows")
+LINUX = (platform.system() == "Linux")
+MAC = (platform.system() == "Darwin")
+class BrowserFrame(tkinter.ttk.Frame):
+    def __init__(self, master, navigation_bar=None):
+        cef.Initialize()
+        self.navigation_bar = navigation_bar
+        self.closing = False
+        self.browser = None
+        self.URL = "http://www.baidu.com"
+        tkinter.ttk.Frame.__init__(self, master)
+        # self.bind("<FocusIn>", self.on_focus_in)
+        # self.bind("<FocusOut>", self.on_focus_out)
+        self.bind("<Configure>", self.on_configure)
+        # self.focus_set()
+        print("BrowserFrame")
+    def setURL(self,url):
+        self.URL = url
+        if self.browser:
+            self.browser.LoadUrl(self.URL)
+            print("setURL:"+self.URL)
+    def embed_browser(self,width,heith):
+        window_info = cef.WindowInfo()
+        rect = [0, 0, width, heith]
+        window_info.SetAsChild(self.get_window_handle(), rect)
+        self.browser = cef.CreateBrowserSync(window_info,url=self.URL)
+        assert self.browser
+        self.message_loop_work()
+    def get_window_handle(self):
+        if self.winfo_id() > 0:
+            return self.winfo_id()
+        elif MAC:
+            # On Mac window id is an invalid negative value (Issue #308).
+            # This is kind of a dirty hack to get window handle using
+            # PyObjC package. If you change structure of windows then you
+            # need to do modifications here as well.
+            # noinspection PyUnresolvedReferences
+            from AppKit import NSApp
+            # noinspection PyUnresolvedReferences
+            import objc
+            # Sometimes there is more than one window, when application
+            # didn't close cleanly last time Python displays an NSAlert
+            # window asking whether to Reopen that window.
+            # noinspection PyUnresolvedReferences
+            return objc.pyobjc_id(NSApp.windows()[-1].contentView())
+        else:
+            raise Exception("Couldn't obtain window handle")
+    def message_loop_work(self):
+        cef.MessageLoopWork()
+        os.system("")
+        self.after(10, self.message_loop_work)
+    def on_configure(self,event):
+        print("on_configure")
+        if not self.browser:
+            print("embed_browser")
+            self.embed_browser(event.width,event.height)
+        else:
+            print("on_mainframe_configure")
+            self.on_mainframe_configure(event.width,event.height)
+    def on_root_configure(self):
+        # Root <Configure> event will be called when top window is moved
+        if self.browser:
+            self.browser.NotifyMoveOrResizeStarted()
+    def on_mainframe_configure(self, width, height):
+        if self.browser:
+            if WINDOWS:
+                ctypes.windll.user32.SetWindowPos(
+                    self.browser.GetWindowHandle(), 0,
+                    0, 0, width, height, 0x0002)
+            elif LINUX:
+                self.browser.SetBounds(0, 0, width, height)
+            self.browser.NotifyMoveOrResizeStarted()
+    def on_focus_in(self, _):
+        if self.browser:
+            self.browser.SetFocus(True)
+    def on_focus_out(self, _):
+        if self.browser:
+            self.browser.SetFocus(False)
+    def on_root_close(self):
+        if self.browser:
+            self.browser.CloseBrowser(True)
+            self.clear_browser_references()
+        self.destroy()
+        cef.Shutdown()
+    def clear_browser_references(self):
+        # Clear browser references that you keep anywhere in your
+        # code. All references must be cleared for CEF to shutdown cleanly.
+        self.browser = None