www.pudn.com > BtnLook.rar > BtnLook.c

/*---------------------------------------- 
   BTNLOOK.C -- Button Look Program 
                (c) Charles Petzold, 1998 
  ----------------------------------------*/ 
 
#include  
 
struct 
{ 
     int     iStyle ; 
     TCHAR * szText ; 
} 
button[] = 
{ 
     BS_PUSHBUTTON,      TEXT ("PUSHBUTTON"), 
     BS_DEFPUSHBUTTON,   TEXT ("DEFPUSHBUTTON"), 
     BS_CHECKBOX,        TEXT ("CHECKBOX"),  
     BS_AUTOCHECKBOX,    TEXT ("AUTOCHECKBOX"), 
     BS_RADIOBUTTON,     TEXT ("RADIOBUTTON"), 
     BS_3STATE,          TEXT ("3STATE"), 
     BS_AUTO3STATE,      TEXT ("AUTO3STATE"), 
     BS_GROUPBOX,        TEXT ("GROUPBOX"), 
     BS_AUTORADIOBUTTON, TEXT ("AUTORADIO"), 
     BS_OWNERDRAW,       TEXT ("OWNERDRAW") 
} ; 
 
#define NUM (sizeof button / sizeof button[0]) 
 
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ; 
 
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, 
                    PSTR szCmdLine, int iCmdShow) 
{ 
     static TCHAR szAppName[] = TEXT ("BtnLook") ; 
     HWND         hwnd ; 
     MSG          msg ; 
     WNDCLASS     wndclass ; 
      
     wndclass.style         = CS_HREDRAW | CS_VREDRAW ; 
     wndclass.lpfnWndProc   = WndProc ; 
     wndclass.cbClsExtra    = 0 ; 
     wndclass.cbWndExtra    = 0 ; 
     wndclass.hInstance     = hInstance ; 
     wndclass.hIcon         = LoadIcon (NULL, IDI_APPLICATION) ; 
     wndclass.hCursor       = LoadCursor (NULL, IDC_ARROW) ; 
     wndclass.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH) ; 
     wndclass.lpszMenuName  = NULL ; 
     wndclass.lpszClassName = szAppName ; 
      
     if (!RegisterClass (&wndclass)) 
     { 
          MessageBox (NULL, TEXT ("This program requires Windows NT!"), 
                      szAppName, MB_ICONERROR) ; 
          return 0 ; 
     } 
      
     hwnd = CreateWindow (szAppName, TEXT ("Button Look"), 
                          WS_OVERLAPPEDWINDOW|WS_TABSTOP, 
                          CW_USEDEFAULT, CW_USEDEFAULT, 
                          CW_USEDEFAULT, CW_USEDEFAULT, 
                          NULL, NULL, hInstance, NULL) ; 
      
     ShowWindow (hwnd, iCmdShow) ; 
     UpdateWindow (hwnd) ; 
      
     while (GetMessage (&msg, NULL, 0, 0)) 
     { 
          TranslateMessage (&msg) ; 
          DispatchMessage (&msg) ; 
     } 
     return msg.wParam ; 
} 
 
LRESULT CALLBACK WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) 
{ 
     static HWND  hwndButton[NUM] ; 
     static RECT  rect ; 
     static TCHAR szTop[]    = TEXT ("message            wParam       lParam"), 
                  szUnd[]    = TEXT ("_______            ______       ______"), 
                  szFormat[] = TEXT ("%-16s%04X-%04X    %04X-%04X"), 
                  szBuffer[50] ; 
     static int   cxChar, cyChar ; 
     HDC          hdc ; 
     PAINTSTRUCT  ps ; 
     int          i ; 
      
     switch (message) 
     { 
     case WM_CREATE : 
          cxChar = LOWORD (GetDialogBaseUnits ()) ; 
          cyChar = HIWORD (GetDialogBaseUnits ()) ; 
           
          for (i = 0 ; i < NUM ; i++) 
               hwndButton[i] = CreateWindow ( TEXT("button"),  
                                   button[i].szText, 
                                   WS_CHILD | WS_VISIBLE | button[i].iStyle, 
                                   cxChar, cyChar * (1 + 2 * i), 
                                   20 * cxChar, 7 * cyChar / 4, 
                                   hwnd, (HMENU) i, 
                                   ((LPCREATESTRUCT) lParam)->hInstance, NULL) ; 
          return 0 ; 
 
     case WM_SIZE : 
          rect.left   = 24 * cxChar ; 
          rect.top    =  2 * cyChar ; 
          rect.right  = LOWORD (lParam) ; 
          rect.bottom = HIWORD (lParam) ; 
          return 0 ; 
           
     case WM_PAINT : 
          InvalidateRect (hwnd, &rect, TRUE) ; 
           
          hdc = BeginPaint (hwnd, &ps) ; 
          SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT)) ; 
          SetBkMode (hdc, TRANSPARENT) ; 
           
          TextOut (hdc, 24 * cxChar, cyChar, szTop, lstrlen (szTop)) ; 
          TextOut (hdc, 24 * cxChar, cyChar, szUnd, lstrlen (szUnd)) ; 
           
          EndPaint (hwnd, &ps) ; 
          return 0 ; 
           
     case WM_DRAWITEM : 
     case WM_COMMAND : 
          ScrollWindow (hwnd, 0, -cyChar, &rect, &rect) ; 
           
          hdc = GetDC (hwnd) ; 
          SelectObject (hdc, GetStockObject (SYSTEM_FIXED_FONT)) ; 
           
          TextOut (hdc, 24 * cxChar, cyChar * (rect.bottom / cyChar - 1), 
                   szBuffer, 
                   wsprintf (szBuffer, szFormat, 
                         message == WM_DRAWITEM ? TEXT ("WM_DRAWITEM") :  
                                                  TEXT ("WM_COMMAND"), 
                         HIWORD (wParam), LOWORD (wParam), 
                         HIWORD (lParam), LOWORD (lParam))) ; 
           
          ReleaseDC (hwnd, hdc) ; 
          ValidateRect (hwnd, &rect) ; 
          break ; 
           
     case WM_DESTROY : 
          PostQuitMessage (0) ; 
          return 0 ; 
	 case WM_KEYDOWN: 
		 { 
		 int i =0; 
		 } 
		 break; 
     } 
     return DefWindowProc (hwnd, message, wParam, lParam) ; 
}