WIN32 API

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 8장 2번 풀이

오다기리 박 2018. 1. 9. 17:53
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#include <Windows.h>
#include<tchar.h>
#include<string.h>
#include"resource.h"
#include<winres.h>
//#pragma comment(linker,"/entry:WinMainCRTStartup /subsystem:console")
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
HINSTANCE hInst;
void FileWrite(HWND hwnd, LPTSTR filename)
{
    HANDLE hFile;
    LPTSTR buffer;
    int size;
 
    hFile = CreateFile(filename, GENERIC_WRITE, 0, 0, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
    size = GetWindowTextLength(hwnd);
    buffer = new TCHAR[size + 1];
    memset(buffer, 0, (size + 1) * sizeof(TCHAR));
    GetWindowText(hwnd, buffer, size + 1);
    buffer[size] = NULL;
    WriteFile(hFile, buffer, (size) * sizeof(TCHAR), (LPDWORD)&size, NULL);
    free(buffer);
    CloseHandle(hFile);
 
}
void FileRead(HWND hwnd, LPTSTR filename)
{
    HANDLE hFile;
    LPTSTR buffer; 
    DWORD size, CharNum;
    int fileSize;
 
    hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
    if (hFile == INVALID_HANDLE_VALUE) return;
    fileSize =GetFileSize(hFile, &size);
    buffer = new TCHAR[(int)fileSize / sizeof(TCHAR) + 1];
    memset(buffer, 0, fileSize);
    ReadFile(hFile, buffer, fileSize, &CharNum, NULL);
    buffer[(int)fileSize / sizeof(TCHAR)] = NULL;
    SetWindowText(hwnd, buffer);
    free(buffer);
    CloseHandle(hFile);
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpszCmdLine, int nCmdShow)
{
    HWND hwnd;
    MSG msg;
    WNDCLASS WndClass;
 
    hInst = hInstance;
    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 = MAKEINTRESOURCE(IDR_MENU1);
    WndClass.lpszClassName = _T("Window Class Name");
 
    RegisterClass(&WndClass);
 
    hwnd = CreateWindow(
        _T("Window Class Name"),
        _T("박정호"),
        WS_OVERLAPPEDWINDOW,
        50,
        50,
        1000,
        700,
        NULL,
        NULL,
        hInstance,
        NULL);
 
    ShowWindow(hwnd, nCmdShow);
    UpdateWindow(hwnd);
 
    while (GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return (int)msg.wParam;
}
#define IDC_EDIT1 100
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;
    RECT rect;
    PAINTSTRUCT ps;
    OPENFILENAME OFN,SFN;
    static TCHAR filepath[1000], filename[100];
    TCHAR filter[] = _T("텍스트 파일 (*.txt)\0*.txt\0모든 파일 (*.*)\0*.*\0");
    static HWND hEdit;
 
    switch (iMsg)
    {
    case WM_CREATE:
        GetClientRect(hwnd, &rect);
        hEdit = CreateWindow(
            _T("edit"), NULL, WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL |    
            ES_AUTOHSCROLL | ES_AUTOVSCROLL | ES_MULTILINE, 0, 100,
            rect.right, rect.bottom, hwnd, (HMENU)IDC_EDIT1, hInst, NULL);
        break;
    case WM_SIZE:
        GetClientRect(hwnd, &rect);
        MoveWindow(hEdit, 0, 0, rect.right, rect.bottom, TRUE);
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case ID_FILEOPEN:
            memset(&OFN, 0, sizeof(OPENFILENAME));
            OFN.lStructSize = sizeof(OPENFILENAME);
            OFN.hwndOwner = hwnd;
            OFN.lpstrFile = filepath;
            OFN.nMaxFile = 1000;
            OFN.lpstrFileTitle = filename;
            OFN.nMaxFileTitle = 100;
            OFN.lpstrFilter = filter;
            OFN.Flags = OFN_EXPLORER;
            OFN.lpstrInitialDir = _T(".");
            GetOpenFileName(&OFN);
 
            FileRead(hEdit, filepath);
            break;
        case ID_FILESAVE:
            memset(&SFN, 0, sizeof(OPENFILENAME));
            SFN.lStructSize = sizeof(OPENFILENAME);
            SFN.hwndOwner = hwnd;
            SFN.lpstrFilter = filter;
            SFN.lpstrFile = filepath;
            SFN.nMaxFile = 1000;
            SFN.lpstrInitialDir = _T(".");
            GetSaveFileName(&SFN);
 
            FileWrite(hEdit, filepath);
            break;
        }
        break;
    case WM_PAINT:
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
 
    }
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}
cs


저작자표시