#include <windows.h>

HINSTANCE g_hInst;

LPCTSTR lpszClass = "window program";


LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdParam, int nCmdShow)

{

HWND hWnd;

MSG Message;

WNDCLASS WndClass;

g_hInst = hInstance;

// 윈도우 클래스 구조체 값 설정 

WndClass.cbClsExtra = 0;

WndClass.cbWndExtra = 0;

WndClass.hbrBackground = (HBRUSH)GetStockObject(WHITE_BRUSH);

WndClass.hCursor = LoadCursor(NULL, IDC_ARROW);

WndClass.hIcon = LoadIcon(NULL, IDI_APPLICATION);

WndClass.hInstance = hInstance;

WndClass.lpfnWndProc = (WNDPROC)WndProc;

WndClass.lpszClassName = lpszClass;

WndClass.lpszMenuName = NULL;

WndClass.style = CS_HREDRAW | CS_VREDRAW;

// 윈도우 클래스 등록 

RegisterClass(&WndClass);

// 윈도우 생성 

hWnd = CreateWindow(lpszClass, lpszClass, WS_OVERLAPPEDWINDOW, 0, 0,

800, 600, NULL, (HMENU)NULL, hInstance, NULL);


// 윈도우 출력 

ShowWindow(hWnd, nCmdShow);

UpdateWindow(hWnd);

// 이벤트 루프 처리 

while (GetMessage(&Message, 0, 0, 0)) {

TranslateMessage(&Message);

DispatchMessage(&Message);

}

return Message.wParam;

}

LRESULT CALLBACK WndProc(HWND hWnd, UINT iMsg, WPARAM wParam, LPARAM lParam)

{

HDC hdc=GetDC(hWnd);

PAINTSTRUCT ps;




static SIZE size;

static int xPos = 0;

static int yPos = 0;

static char str[10][10];

static char temstr[10][10];

static int count = 0;

static int line = 0;

int i,j,temp;


switch (iMsg)

{

case WM_CREATE:

CreateCaret(hWnd, NULL, 5, 15);

ShowCaret(hWnd);


break;

case WM_PAINT:

hdc = BeginPaint(hWnd, &ps);

for (i = 0; i < line + 1; i++) {

GetTextExtentPoint(hdc, str[i], strlen(str[i]), &size);

TextOut(hdc, xPos, 20 * i, str[i], strlen(str[i]));

SetCaretPos(size.cx + xPos, 20 * i);

}

EndPaint(hWnd, &ps);

break;

case WM_CHAR:

if (wParam >= '0' && wParam <= '9') {

if (count != 0)

{

line += 1;

count = 0;

}

str[line][count++] = wParam;   

//SetTextColor(hdc,RGB(255,0,0)); 문자 붉게? -모름 1

count = 0;

line += 1;

}

else if (wParam == 'R' || wParam == 'r')

{

    (i = line-1; i >=0; i--) 

 str[i][count] = temstr[line][count];   -모름2

}

else if (wParam == 'Q' || wParam == 'q') {

exit(0);

}

else

{

if (count > 8)

{

line += 1;

count = 0;

}

str[line][count++] = wParam;


}

InvalidateRect(hWnd, NULL, TRUE);

break;


case WM_DESTROY:

HideCaret(hWnd);

DestroyCaret();

PostQuitMessage(0);


break;

}

return (DefWindowProc(hWnd, iMsg, wParam, lParam));


}

내가 모르는 부분이 붉게 칠한 두부분인데

첫번째 부분은 문자가 입력되면 글씨가 붉은색으로 바껴야되는데 안바뀌고

두번째는

1             dfe

2            asd

asd   ->    1

dfe           2  

이렇게 바껴야되는데 C언어도 4년전에 배운거라(그것도 F맞고 재수강때림)

로직도 잘 못짜겠고, 뭔가 새로운걸 배우니까 더 머리 안돌아가고

중요한건 물어볼 친구가 없어서.. 어떻게 짜야할지 방향좀 알려주셈