WinApi를 이용한 Notepad

#include <windows.h>

#include <iostream>

#include <fstream>

#include <string>

#include "resource.h"

 

using namespace std;

 

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

HINSTANCE g_hInst;

LPSTR lpszClass="Hahahia`s Notepad"; 

 

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

{

        HWND hWnd;

        MSG Message;

        WNDCLASS WndClass;

        g_hInst=hInstance;

       

        WndClass.cbClsExtra=0; // 윈도우 생성초기 설정

        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;

        WndClass.lpszMenuName = MAKEINTRESOURCE(IDR_MENU1); // Resource 생성 (메뉴)

        RegisterClass(&WndClass);

 

 

        hWnd=CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW | WS_VSCROLL | WS_THICKFRAME, // hWnd에 윈도우 생성               CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,

                 NULL,(HMENU)NULL,hInstance,NULL);

        ShowWindow(hWnd,nCmdShow);

       

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

               TranslateMessage(&Message);

               DispatchMessage(&Message);

        }

        return Message.wParam;

}

 

char * drawText;

 

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

{

        HDC hdc;

        PAINTSTRUCT ps;

        static char text[100][1000];

        static int count, line;

        static SIZE size;

        int w_count = 0;

        OPENFILENAME OFN, SFN;

        char str[100], lpstrFile1[100] = "", lpstrFile2[100] = "";

        char filter[] = "Every File(*.*) \0*.*\0Text File\0*.txt;*.doc\0";

        int answer; // 질의

        switch(iMessage) {

        case WM_CREATE:

               CreateCaret(hWnd, NULL, 5, 15);

               ShowCaret(hWnd);

               count = 0;

               line = 0;

               drawText = new char[1024];

               strcpy(drawText, "");

               break;

        case WM_COMMAND:

               switch (LOWORD(wParam))

               {

               case ID_FILEOPEN:

                       memset(&OFN, 0, sizeof(OPENFILENAME));

                       OFN.lStructSize = sizeof(OPENFILENAME);

                       OFN.hwndOwner = hWnd;

                       OFN.lpstrFilter = filter;

                       OFN.lpstrFile = lpstrFile1;

                       OFN.nMaxFile = 100;

                       OFN.lpstrInitialDir = ".";

                       if(GetOpenFileName(&OFN) != 0){

                              wsprintf(str, "%s 파일을 열겠습니까?", OFN.lpstrFile);

                              answer = MessageBox(hWnd, str, "열기선택", MB_YESNO);

                              if(answer == IDYES){

                                      FILE *fptr = fopen(OFN.lpstrFile, "r+");

                                      line = 0;

                                      while(line < 100 && fgets(text[line], sizeof(text[0]), fptr)) // fgets로 문자열을 읽어옵니다                                   {

                                                 text[line][strlen(text[line])] = '\0'; // 끝을 NULL로 두져

                            count = strlen(text[line]);

                            if( text[line][strlen(text[line])-1] == 10 ) // 엔터키

                            {

                                                             line++;

                                                             count = 0;

                                                     }

                                      }

                                      fclose(fptr);

                                      InvalidateRgn(hWnd, NULL, TRUE);

                              }

                       }

                       break;

               case ID_FILESAVE:

                       memset(&SFN, 0, sizeof(OPENFILENAME));

                       SFN.lStructSize = sizeof(OPENFILENAME);

                       SFN.hwndOwner = hWnd;

                       SFN.lpstrFilter = filter;

                       SFN.lpstrFile = lpstrFile2;

                       SFN.nMaxFile = 100;

                       SFN.lpstrInitialDir = ".";

                       if(GetSaveFileName(&SFN) != 0)

                       {

                              wsprintf(str, "%s 파일로 저장하시겠습니까?", SFN.lpstrFile);

                              answer = MessageBox(hWnd, str, "저장하기 선택", MB_YESNOCANCEL);

                              if(answer == IDYES)

                              {

                                      MessageBox(hWnd, "저장합니당", "저장", MB_OK);

                                      FILE *fptr = fopen(SFN.lpstrFile, "w");    

                    while( w_count <= line  && w_count < 100)

                    {

                                             fputs(text[w_count], fptr);                                  

                                             w_count++;

                                             fputs("\n", fptr);

                                      }

                                      fclose(fptr);

                              }

                              else MessageBox(hWnd, "저장 ㄴㄴ", "취소", MB_OK);

                       }

                       break;

               case ID_FILENEW:

                       answer = MessageBox(hWnd, "새 파일을 열겠습니까?", "새 파일 선택", MB_OKCANCEL);

                       if(answer == IDOK){

                              memset(text, 0, sizeof(text));

                              line = 0;

                              count = 0;

                              InvalidateRgn(hWnd, NULL, true);

                       }

                       break;

               case IDHELP:

                       answer = MessageBox(hWnd, "WinAPI NodePad \nMade By Hahahia\n", "프로그램 정보", MB_OK);

                       break;

               case ID_EXIT:

                       answer = MessageBox(hWnd, "파일을 저장하고 끝내시겠습니까?", "끝내기 선택", MB_YESNOCANCEL);

                       if(answer == IDYES || answer == IDNO)

                              PostQuitMessage(0);

                       break;

               }

               break;

        case WM_PAINT:

               hdc = BeginPaint(hWnd, &ps);

               GetTextExtentPoint(hdc, text[line], strlen(text[line]), &size);

               for(int i=0; i<= line; i++)

               {

                       TextOut(hdc, 0, i*20, text[i], strlen(text[i]));

               }

               SetCaretPos(size.cx, line*20);

               EndPaint(hWnd, &ps);

               if(count == 0)

                       ShowCaret(hWnd);

               break;

        case WM_CHAR:

               if(wParam == VK_BACK) // 줄넘기기

               {

                       if(count == 0 && line == 0) break;

                       count--;

                       if(count < 0)

                       {

                              line--;

                              count = strlen(text[line]);

                       }

               }

               else if(wParam == VK_RETURN) // enter키

               {

                       count = 0;

                       line += 1;

               }

               else text[line][count++] = wParam; // 키보드로 받은값 출력(배열에추가)

               text[line][count] = '\0';

               strcpy(drawText, "");

               for(int i=0;i <= line;i++)

        {

                       strcat(drawText, text[i]);

                       strcat(drawText, "\n");

        }

               InvalidateRgn(hWnd, NULL, TRUE); // 동기화

               break;

        case WM_DESTROY:

               HideCaret(hWnd);

               DestroyCaret();

               PostQuitMessage(0);

               return 0;

        }

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

}

UI는 정말 별거없구요....대충만든거라..ㅠㅠㅠ

실행시키면 바로 메모장처럼 글을 쓸수있어요 ㅎㅎㅎㅎ

파일 -> 저장 들어가면 저장도되구요 ㅎ

저장하시겠습니까? ㅇㅋ

바탕화면에 있는 test라는 텍스트를 불러옵니다.

잘 나오죠 ㅎㅎ 

한가지 흠이라면..... 개행에서 | 글자가 꼭 나와버리네요.... 이건 추후에 수정할게요 ㅠㅠ 은근히 복잡합니당

그리고 리소스 구현 방법도 자세히 포스팅 해보도록 하겠습니다