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@khrona
Created July 19, 2011 21:42
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Example of using Awesomium r148 API with GDI/WinForms/WinAPI
// WinTest.cpp : Defines the entry point for the application.
//
#include "stdafx.h"
#include "WinTest.h"
#include <Awesomium/WebCore.h>
#include <iostream>
#define MAX_LOADSTRING 100
// Global Variables:
HINSTANCE hInst; // current instance
TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
TCHAR szWindowClass[MAX_LOADSTRING]; // the main window class name
Awesomium::WebCore* core = 0;
Awesomium::WebView* view;
HDC context;
HBITMAP bitmap;
unsigned char* bitmap_buf = 0;
// Forward declarations of functions included in this code module:
ATOM MyRegisterClass(HINSTANCE hInstance);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK About(HWND, UINT, WPARAM, LPARAM);
int APIENTRY _tWinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPTSTR lpCmdLine,
int nCmdShow)
{
UNREFERENCED_PARAMETER(hPrevInstance);
UNREFERENCED_PARAMETER(lpCmdLine);
// TODO: Place code here.
MSG msg;
HACCEL hAccelTable;
// Initialize global strings
LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING);
LoadString(hInstance, IDC_WINTEST, szWindowClass, MAX_LOADSTRING);
MyRegisterClass(hInstance);
// Perform application initialization:
if (!InitInstance (hInstance, nCmdShow))
{
return FALSE;
}
hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WINTEST));
Awesomium::WebCoreConfig config;
config.setEnablePlugins(true);
config.setDisableWinMessagePump(true);
core = new Awesomium::WebCore(config);
view = core->createWebView(512, 512);
view->loadURL("http://www.google.com");
view->focus();
BITMAPINFOHEADER bih = {0};
bih.biSize = sizeof(BITMAPINFOHEADER);
bih.biBitCount = 32;
bih.biCompression = BI_RGB;
bih.biPlanes = 1;
bih.biWidth = 512;
bih.biHeight = -(512);
context = CreateCompatibleDC(0);
bitmap = CreateDIBSection(context, (BITMAPINFO*)&bih, DIB_RGB_COLORS, (void**)&(bitmap_buf), 0, 0);
// Main message loop:
while (GetMessage(&msg, NULL, 0, 0))
{
if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
ReleaseDC(0, context);
DeleteObject(bitmap);
delete core;
return (int) msg.wParam;
}
//
// FUNCTION: MyRegisterClass()
//
// PURPOSE: Registers the window class.
//
// COMMENTS:
//
// This function and its usage are only necessary if you want this code
// to be compatible with Win32 systems prior to the 'RegisterClassEx'
// function that was added to Windows 95. It is important to call this function
// so that the application will get 'well formed' small icons associated
// with it.
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WINTEST));
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = MAKEINTRESOURCE(IDC_WINTEST);
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = LoadIcon(wcex.hInstance, MAKEINTRESOURCE(IDI_SMALL));
return RegisterClassEx(&wcex);
}
//
// FUNCTION: InitInstance(HINSTANCE, int)
//
// PURPOSE: Saves instance handle and creates main window
//
// COMMENTS:
//
// In this function, we save the instance handle in a global variable and
// create and display the main program window.
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
HWND hWnd;
hInst = hInstance; // Store instance handle in our global variable
hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
// Create our WebCore Update timer, renders at a max of 50 FPS
UINT myTimer = SetTimer ( hWnd, 0, 20, NULL );
if (!hWnd)
{
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
//
// FUNCTION: WndProc(HWND, UINT, WPARAM, LPARAM)
//
// PURPOSE: Processes messages for the main window.
//
// WM_COMMAND - process the application menu
// WM_PAINT - Paint the main window
// WM_DESTROY - post a quit message and return
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
PAINTSTRUCT ps;
HDC hdc;
switch (message)
{
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId)
{
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
delete core;
DestroyWindow(hWnd);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_TIMER:
{
if(core)
{
core->update();
if(view->isDirty())
{
InvalidateRect (hWnd, NULL, TRUE);
UpdateWindow (hWnd);
}
}
}
break;
case WM_PAINT:
{
hdc = BeginPaint(hWnd, &ps);
if(view) {
const Awesomium::RenderBuffer* buf = view->render();
if(buf) {
memcpy(bitmap_buf, buf->buffer, buf->rowSpan * buf->height);
SelectObject(context, bitmap);
BitBlt(hdc, 0, 0, 512, 512, context, 0, 0, SRCCOPY);
ReleaseDC(hWnd, context);
}
}
EndPaint(hWnd, &ps);
}
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_MOUSEMOVE:
{
if(view)
view->injectMouseMove(LOWORD(lParam), HIWORD(lParam));
break;
}
case WM_LBUTTONDOWN:
{
if(view)
view->injectMouseDown(Awesomium::LEFT_MOUSE_BTN);
break;
}
case WM_LBUTTONUP:
{
if(view)
view->injectMouseUp(Awesomium::LEFT_MOUSE_BTN);
break;
}
case WM_KEYDOWN:
case WM_KEYUP:
case WM_CHAR:
{
if(view)
view->injectKeyboardEvent(Awesomium::WebKeyboardEvent(message, wParam, lParam));
break;
}
case WM_QUIT:
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
// Message handler for about box.
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
UNREFERENCED_PARAMETER(lParam);
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
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