gistfile1.txt

#include "stdafx.h"
#include "win32_gui_test.h"
#include <time.h>
#include <string>

using namespace std;

#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

// 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);
VOID CALLBACK ReDrawTime(HWND, UINT, UINT, DWORD);

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, 0, szTitle, MAX_LOADSTRING);
	LoadString(hInstance, IDC_WIN32_GUI_TEST, szWindowClass, MAX_LOADSTRING);
	MyRegisterClass(hInstance);

	// Perform application initialization:
	if (!InitInstance (hInstance, nCmdShow))
	{
		return FALSE;
	}

	hAccelTable = LoadAccelerators(hInstance, MAKEINTRESOURCE(IDC_WIN32_GUI_TEST));

	// Main message loop:
	while (GetMessage(&msg, NULL, 0, 0))
	{
		if (!TranslateAccelerator(msg.hwnd, hAccelTable, &msg))
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
	}

	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_WIN32_GUI_TEST));
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= 0;//MAKEINTRESOURCE(IDC_ARK2_GUI);
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= 0;//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 = CreateWindowEx(WS_EX_LAYERED, szWindowClass, 0, 0,
	   CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
 
   SetLayeredWindowAttributes(hWnd,RGB(255,255,255), 0, LWA_COLORKEY);

	SetWindowLong(hWnd, GWL_STYLE,  ~WS_CAPTION & ~WS_VSCROLL & ~WS_HSCROLL & ~WS_THICKFRAME);

	//To show without activating:

	ShowWindow(hWnd, SW_SHOWNOACTIVATE);
	//To raise without activating:

	//SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE|SWP_NOACTIVATE);
   
   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;
	HFONT font;
	RECT rect;
	wstring time_string;
	time_t rawtime;
	struct tm * timeinfo;
	string a;

	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:
			DestroyWindow(hWnd);
			break;
		default:
			return DefWindowProc(hWnd, message, wParam, lParam);
		}
		break;
	case WM_MOVE:
		GetClientRect(hWnd, &rect);
		InvalidateRect(hWnd,&rect, true);
		break;
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		//SetBkMode(hdc, TRANSPARENT);
		GetClientRect(hWnd, &rect);
		//DrawText(hdc, TEXT("Hello, win32!"),-1,&rect,DT_SINGLELINE | DT_CENTER | DT_VCENTER);
		SetTextColor(hdc, RGB(255,0,0));
         font = CreateFont(46*1.5, 28*1.5, 215, 0,
                           FW_NORMAL, FALSE, FALSE, FALSE,
                           ANSI_CHARSET, OUT_DEFAULT_PRECIS,
		         CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
		         DEFAULT_PITCH | FF_ROMAN,
			L"");

        SelectObject(hdc, font);

		time ( &rawtime );
		a = ctime(&rawtime);
		time_string.assign(a.begin(), a.end());
        TextOut(hdc, 50, 400, time_string.c_str() , 120);
		TextOut(hdc, 150, 450, L"HELLO   WIN32", 120);
		EndPaint(hWnd, &ps);
		SetTimer(hWnd,1,1000,ReDrawTime);
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		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;
}

VOID CALLBACK ReDrawTime(
  _In_  HWND hwnd,
  _In_  UINT uMsg,
  _In_  UINT_PTR idEvent,
  _In_  DWORD dwTime
)
{
	RECT rect;
	GetClientRect(hwnd, &rect);
	InvalidateRect(hwnd,&rect, true);
	//RedrawWindow(hwnd, &rect, NULL, RDW_ERASE | RDW_INVALIDATE);
}