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我一直在努力在無邊界win32窗口中顯示Chromium Embedded Framework瀏覽器窗口。到目前爲止，該窗口已創建並且瀏覽器已加載，但存在兩個問題。CEF3瀏覽器錯誤地顯示頁面
- 消息似乎不會被髮送到我的窗口回調（這當然會導致窗口拖動不起作用）。
- 瀏覽器被扭曲的頁面（幾乎像只被加載一些CSS）
我假定這是由於一些明顯的錯誤，我已經在實施CEF3製造。我從CEF3每晚構建的兩個示例項目中拼湊出來的。所以問題是，有沒有人看到我在實現瀏覽器時犯的明顯錯誤？
這裏是我的Main.cpp的
#include <Windows.h>
#include "include/cef_base.h"
#include "include/cef_app.h"
#include "ClientApp.h"
#include "ClientHandler.h"
#pragma comment(lib, "lib/libcef.lib")
#pragma comment(lib, "lib/libcef_dll_wrapper.lib")
// Fix Conflicting Macros
#define GET_X_LPARAM(lp) ((int)(short)LOWORD(lp))
#define GET_Y_LPARAM(lp) ((int)(short)HIWORD(lp))
// Window Variables
HINSTANCE g_instance;
HWND g_hwnd;
LPCWSTR g_window_class = L"MyUI";
INT g_window_width = 670;
INT g_window_height = 540;
BOOL g_drag_window = false;
SHORT g_mouse_x, g_mouse_y, g_mouse_x_prev, g_mouse_y_prev;
// CEF Variables
CefRefPtr<ClientApp> g_app;
CefRefPtr<ClientHandler> g_client_handler;
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_DESTROY:
{
CefQuitMessageLoop();
PostQuitMessage(0);
break;
}
case WM_CREATE:
{
// Set window attributes
RECT rect;
GetClientRect(hWnd, &rect);
CefWindowInfo info;
info.SetAsChild(hWnd, rect);
// Set browser settings
CefBrowserSettings settings;
//Create handler
::g_client_handler = new ClientHandler();
// Create browser
CefBrowserHost::CreateBrowserSync(info, ::g_client_handler.get(),
"http://wikipedia.com", settings, NULL);
break;
}
case WM_LBUTTONDOWN:
{
g_mouse_x = GET_X_LPARAM(lParam);
g_mouse_y = GET_Y_LPARAM(lParam);
if (g_mouse_y < 41)
{
g_mouse_x_prev = g_mouse_x;
g_mouse_y_prev = g_mouse_y;
SetCapture(hWnd);
g_drag_window = true;
}
MessageBox(NULL, L"FLDKSJA", L"", MB_OK);
break;
}
case WM_LBUTTONUP:
{
if (g_drag_window)
{
g_drag_window = false;
ReleaseCapture();
}
break;
}
case WM_MOUSEMOVE:
{
if (g_drag_window && (wParam & MK_LBUTTON))
{
// code executed when the dialog window is moved around on the screen
RECT win_rect;
GetWindowRect(hWnd, &win_rect);
int x_coord = GET_X_LPARAM(lParam);
int y_coord = GET_Y_LPARAM(lParam);
MoveWindow(hWnd,
win_rect.left + x_coord - g_mouse_x_prev,
win_rect.top + y_coord - g_mouse_y_prev,
win_rect.right - win_rect.left,
win_rect.bottom - win_rect.top,
false
);
return 0;
}
break;
}
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
}
BOOL InitWindow()
{
WNDCLASSEX wc;
// Register window class
wc.cbSize = sizeof(WNDCLASSEX);
wc.style = CS_DROPSHADOW;
wc.lpfnWndProc = WndProc;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hInstance = ::g_instance;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wc.lpszMenuName = NULL;
wc.lpszClassName = ::g_window_class;
wc.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
if (!RegisterClassEx(&wc))
{
wchar_t msg[100];
wsprintf(msg, L"Unable to register class!\nError: %i", GetLastError());
MessageBox(NULL, msg, L"Error!",
MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
// Create window
::g_hwnd = CreateWindowEx(
0, // Optional window styles.
::g_window_class, // Window class
L"", // Window text
WS_POPUP, // Window style
// Position and size
CW_USEDEFAULT, CW_USEDEFAULT, ::g_window_width, ::g_window_height,
NULL, // Parent window
NULL, // Menu
::g_instance, // Instance handle
NULL // Additional application data
);
if (!::g_hwnd)
{
wchar_t msg[100];
wsprintf(msg, L"Unable to create window!\nError: %i", GetLastError());
MessageBox(NULL, msg, L"Error!",
MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
//Display window
ShowWindow(::g_hwnd, SW_SHOWNORMAL);
UpdateWindow(::g_hwnd);
return TRUE;
}
INT APIENTRY wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPTSTR lpCmdLine, INT nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
::g_instance = hInstance;
// Provide CEF with command-line arguments.
CefMainArgs main_args(hInstance);
// CEF applications have multiple sub-processes (render, plugin, GPU, etc)
// that share the same executable. This function checks the command-line and,
// if this is a sub-process, executes the appropriate logic.
int exit_code = CefExecuteProcess(main_args, NULL, NULL);
if (exit_code >= 0) {
// The sub-process has completed so return here.
return exit_code;
}
// Specify CEF global settings here.
CefSettings settings;
settings.no_sandbox = true;
settings.multi_threaded_message_loop = false;
settings.pack_loading_disabled = true;
// ClientApp implements application-level callbacks for the browser process.
::g_app = new ClientApp();
// Initialize CEF.
CefInitialize(main_args, settings, ::g_app.get(), NULL);
// Create main window.
if (!InitWindow())
{
CefShutdown();
return 1;
}
// Process messages.
MSG msg;
while (GetMessage(&msg, NULL, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
CefDoMessageLoopWork();
}
// Shut down CEF.
CefShutdown();
return 0;
}
ClientApp.h
#pragma once
#include "include/cef_app.h"
class ClientApp : public CefApp,
public CefBrowserProcessHandler,
public CefRenderProcessHandler
{
public:
ClientApp();
~ClientApp();
// CefBase
IMPLEMENT_REFCOUNTING(ClientApp);
// CefApp
virtual CefRefPtr<CefBrowserProcessHandler> GetBrowserProcessHandler()
{
return this;
}
virtual CefRefPtr<CefRenderProcessHandler> GetRenderProcessHandler()
{
return this;
}
//Context
virtual void OnContextCreated(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
CefRefPtr<CefV8Context> context);
};
ClientHandler.h
#pragma once
#include "include\cef_client.h"
class ClientHandler : public CefClient,
public CefLifeSpanHandler,
public CefLoadHandler
{
public:
ClientHandler();
~ClientHandler();
// CefClient
virtual CefRefPtr<CefLifeSpanHandler> GetLifeSpanHandler()
{
return this;
}
virtual CefRefPtr<CefLoadHandler> GetLoadHandler()
{
return this;
}
// CefBase
IMPLEMENT_REFCOUNTING(ClientHandler);
};
這是瀏覽器如何顯示Wikipedia.com： 