오다기리 박의 알고리즘 노트

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 4번 풀이 본문

WIN32 API

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 4번 풀이

오다기리 박 2017. 11. 3. 21:43
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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
#include <Windows.h>
#include<tchar.h>
#include<string.h>
#include<math.h>
#include"resource.h"
#include<stdio.h>
#pragma comment(linker,"/entry:WinMainCRTStartup /subsystem:console")
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
BOOL CALLBACK DlgFunc(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam);
HINSTANCE hInst;
 
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 = NULL;
    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;
}
 
LRESULT CALLBACK WndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    HDC hdc;
    PAINTSTRUCT ps;
    switch (iMsg)
    {
    case WM_CREATE:
        break;
    case WM_LBUTTONDOWN:
        DialogBox(hInst, MAKEINTRESOURCE(IDD_DIALOG4), hwnd, DlgFunc);
        break;
    case WM_DESTROY:
        PostQuitMessage(0);
        break;
 
    }
    return DefWindowProc(hwnd, iMsg, wParam, lParam);
}
 
BOOL CALLBACK DlgFunc(HWND hDlg, UINT iMsg, WPARAM wParam, LPARAM lParam)
{
    static TCHAR text[30];
    static int count = 0, count2 = 1;
    static double num1, num2;
    static double result;
    static bool ClickPoint = false;
    static bool compute = false;
    TCHAR temp[5];
    switch (iMsg)
    {
    case WM_INITDIALOG:
        break;
    case WM_COMMAND:
        switch (LOWORD(wParam))
        {
        case IDC_BUTTON1:
            text[count++] += '1';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 1 / (float)pow(10, count2++);
                else
                    num1 += 1 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON2:
            text[count++] += '2';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 2 / (float)pow(10, count2++);
                else
                    num1 += 2 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON3:
            text[count++] += '3';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 3 / (float)pow(10, count2++);
                else
                    num1 += 3 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON4:
            text[count++] += '4';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 4 / (float)pow(10, count2++);
                else
                    num1 += 4 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON5:
            text[count++] += '5';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 5 / (float)pow(10, count2++);
                else
                    num1 += 5 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON6:
            text[count++] += '6';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 6 / (float)pow(10, count2++);
                else
                    num1 += 6 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON7:
            text[count++] += '7';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 7 / (float)pow(10, count2++);
                else
                    num1 += 7 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON8:
            text[count++] += '8';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 8 / (float)pow(10, count2++);
                else
                    num1 += 8 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON9:
            text[count++] += '9';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 9 / (float)pow(10, count2++);
                else
                    num1 += 9 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON0:
            text[count++] += '0';
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            if (ClickPoint)
            {
                if (compute)
                    num2 += 0 / (float)pow(10, count2++);
                else
                    num1 += 0 / (float)pow(10, count2++);
            }
            else
            {
                if (compute)
                    num2 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
                else
                    num1 = GetDlgItemInt(hDlg, IDC_EDIT1, NULL, TRUE);
            }
            break;
        case IDC_BUTTON_PLU:
            compute = true;
            ClickPoint = false;
            SetDlgItemText(hDlg, IDC_EDIT1, _T(""));
            SetDlgItemText(hDlg, IDC_EDIT2, _T("+"));
            for (int i = 0; i < 30; i++)
                text[i] = NULL;
            count = 0;
            count2 = 1;
            break;
        case IDC_BUTTON_MIN:
            compute = true;
            ClickPoint = false;
            SetDlgItemText(hDlg, IDC_EDIT1, _T(""));
            SetDlgItemText(hDlg, IDC_EDIT2, _T("-"));
            for (int i = 0; i < 30; i++)
                text[i] = NULL;
            count = 0;
            count2 = 1;
            break;
        case IDC_BUTTON_DIV:
            compute = true;
            ClickPoint = false;
            SetDlgItemText(hDlg, IDC_EDIT1, _T(""));
            SetDlgItemText(hDlg, IDC_EDIT2, _T("/"));
            for (int i = 0; i < 30; i++)
                text[i] = NULL;
            count = 0;
            count2 = 1;
            break;
        case IDC_BUTTON_MULT:
            compute = true;
            ClickPoint = false;
            SetDlgItemText(hDlg, IDC_EDIT1, _T(""));
            SetDlgItemText(hDlg, IDC_EDIT2, _T("*"));
            for (int i = 0; i < 30; i++)
                text[i] = NULL;
            count = 0;
            count2 = 1;
            break;
        case IDC_BUTTON_EQUAL:
            for (int i = 0; i < 30; i++)
                text[i] = NULL;
            GetDlgItemText(hDlg, IDC_EDIT2, temp, 5);
            if (_tcscmp(temp, _T("+")) == 0)
            {
                result = num1 + num2;
            }
            else if (_tcscmp(temp, _T("-")) == 0)
            {
                result = num1 - num2;
            }
            else if (_tcscmp(temp, _T("/")) == 0)
            {
                result = num1 / num2;
            }
            else if (_tcscmp(temp, _T("*")) == 0)
            {
                result = num1 * num2;
            }
            _stprintf_s(text, _T("%lf"), result);
            SetDlgItemText(hDlg, IDC_EDIT1, text);
            break;
        case IDC_BUTTON_POINT:
            if (!ClickPoint)
            {
                ClickPoint = true;
                text[count++] += '.';
                SetDlgItemText(hDlg, IDC_EDIT1, text);
            }
            break;
        case IDCANCEL:
            EndDialog(hDlg, 0);
            break;
        case IDCLOSE:
            EndDialog(hDlg, 0);
            break;
        }
        break;
    }
    return 0;
}
cs


저작자표시

'WIN32 API' 카테고리의 다른 글

[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 6번 풀이  (0) 2017.11.03
[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 5번 풀이  (0) 2017.11.03
[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 3번 풀이  (0) 2017.11.03
[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 2번 풀이  (0) 2017.11.03
[핵심 API로 배우는 윈도우프로그래밍(강경우, 한빛아카데미)] 6장 1번 풀이  (0) 2017.11.03
'WIN32 API' Related Articles more