김효원, Swindler, coolx 님의 홈페이지

Programming

No.

300

Name.

coolx

Subject.

[API] Child Window 예제

Main Cate.

Win32

Sub Cate.

Date.

2006-07-20 09:45

Hit.

3604 (220.76.115.27)

File.

/*-------------------------------------------------
CHECKER3.C -- Mouse Hit-Test Demo Program No. 3
(c) Charles Petzold, 1996
-------------------------------------------------*/

#include <windows.h>

#define DIVISIONS 5
#define MoveTo(hdc, x, y) MoveToEx (hdc, x, y, NULL)

LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
LRESULT CALLBACK ChildWndProc (HWND, UINT, WPARAM, LPARAM) ;

char szChildClass[] = "Checker3_Child" ;

int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static char szAppName[] = "Checker3" ;
HWND hwnd ;
MSG msg ;
WNDCLASSEX wndclass ;

wndclass.cbSize = sizeof (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 ;
wndclass.hIconSm = LoadIcon (NULL, IDI_APPLICATION) ;

RegisterClassEx (&wndclass) ;

wndclass.lpfnWndProc = ChildWndProc ;
wndclass.cbWndExtra = sizeof (WORD) ;
wndclass.hIcon = NULL ;
wndclass.lpszClassName = szChildClass ;
wndclass.hIconSm = NULL ;

RegisterClassEx (&wndclass) ;

hwnd = CreateWindow (szAppName, "Checker3 Mouse Hit-Test Demo",
WS_OVERLAPPEDWINDOW,
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 iMsg, WPARAM wParam, LPARAM lParam)
{
static HWND hwndChild[DIVISIONS][DIVISIONS] ;
int cxBlock, cyBlock, x, y ;

switch (iMsg)
{
case WM_CREATE :
for (x = 0 ; x < DIVISIONS ; x++)
for (y = 0 ; y < DIVISIONS ; y++)
{
hwndChild[x][y] = CreateWindow (szChildClass, NULL,
WS_CHILDWINDOW | WS_VISIBLE,
0, 0, 0, 0,
hwnd, (HMENU) (y << 8 | x),
(HINSTANCE) GetWindowLong (hwnd, GWL_HINSTANCE),
NULL) ;
}
return 0 ;

case WM_SIZE :
cxBlock = LOWORD (lParam) / DIVISIONS ;
cyBlock = HIWORD (lParam) / DIVISIONS ;

for (x = 0 ; x < DIVISIONS ; x++)
for (y = 0 ; y < DIVISIONS ; y++)
MoveWindow (hwndChild[x][y],
x * cxBlock, y * cyBlock,
cxBlock, cyBlock, TRUE) ;
return 0 ;

case WM_LBUTTONDOWN :
MessageBeep (0) ;
return 0 ;

case WM_DESTROY :
PostQuitMessage (0) ;
return 0 ;
}
return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
}

LRESULT CALLBACK ChildWndProc (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
HDC hdc ;
PAINTSTRUCT ps ;
RECT rect ;

switch (iMsg)
{
case WM_CREATE :
SetWindowWord (hwnd, 0, 0) ; // on/off flag
return 0 ;

case WM_LBUTTONDOWN :
SetWindowWord (hwnd, 0, 1 ^ GetWindowWord (hwnd, 0)) ;
InvalidateRect (hwnd, NULL, FALSE) ;
return 0 ;

case WM_PAINT :
hdc = BeginPaint (hwnd, &ps) ;

GetClientRect (hwnd, &rect) ;
Rectangle (hdc, 0, 0, rect.right, rect.bottom) ;

if (GetWindowWord (hwnd, 0))
{
MoveTo (hdc, 0, 0) ;
LineTo (hdc, rect.right, rect.bottom) ;
MoveTo (hdc, 0, rect.bottom) ;
LineTo (hdc, rect.right, 0) ;
}

EndPaint (hwnd, &ps) ;
return 0 ;
}
return DefWindowProc (hwnd, iMsg, wParam, lParam) ;
}

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