-
Notifications
You must be signed in to change notification settings - Fork 0
/
gui.c
590 lines (476 loc) · 12.9 KB
/
gui.c
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
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
/*
西安理工大学 版权所有 2014
*/
#include "gui.h"
#include <windows.h>
#include <stdarg.h>
#include <stdio.h>
#include <math.h>
#define PI 3.14159
HINSTANCE hInst;
HWND hWnd;
char szWindowClass[] = "tooSimpleMainWindow";
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_left_button_pressed)(int x, int y) = 0;
void please_call_this_function_when_left_button_pressed(void (*f)(int x, int y))
{
function_to_call_when_left_button_pressed = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_right_button_pressed)(int x, int y) = 0;
void please_call_this_function_when_right_button_pressed(void (*f)(int x, int y))
{
function_to_call_when_right_button_pressed = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_refresh)(void) = 0;
void please_call_this_function_when_refresh(void (*f)(void))
{
function_to_call_when_refresh = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_keyboard_input)(const char *) = 0;
void please_call_this_function_when_keyboard_input(void (*f)(const char *))
{
function_to_call_when_keyboard_input = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_arrow_key_pressed)(enum ArrowDirection d) = 0;
void please_call_this_function_when_arrow_key_pressed(void (*f)(enum ArrowDirection))
{
function_to_call_when_arrow_key_pressed = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_fn_key_pressed)(int n) = 0;
void please_call_this_function_when_fn_key_pressed(void (*f)(int n))
{
function_to_call_when_fn_key_pressed = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_esc_key_pressed)(void) = 0;
void please_call_this_function_when_esc_key_pressed(void (*f)(void))
{
function_to_call_when_esc_key_pressed = f;
}
/*--------------------------------------------------------------------------------*/
void (*function_to_call_when_time_pass)(void) = 0;
void CALLBACK timer_proc(HWND hwnd, UINT uMsg, UINT idEvent, DWORD dwTime)
{
function_to_call_when_time_pass();
}
UINT_PTR timer_id = 0;
void please_call_this_function_every_N_milliseconds(void (*f)(void), int seconds)
{
if (timer_id != 0) {
KillTimer(NULL, timer_id);
}
function_to_call_when_time_pass = f;
timer_id = SetTimer(NULL, 0, seconds, timer_proc);
}
/*--------------------------------------------------------------------------------*/
int pen_width;
COLORREF pen_color;
COLORREF fill_color;
HPEN hPen = NULL;
HBRUSH hBrush = NULL;
int fill_state = 0; // 默认状态下不填充颜色
void set_pen_color(COLORREF color)
{
pen_color = color;
if (hPen) {
DeleteObject(hPen);
}
hPen = CreatePen (PS_SOLID, pen_width, pen_color);
}
void set_pen_width(int width)
{
pen_width = width;
if (hPen) {
DeleteObject(hPen);
}
hPen = CreatePen (PS_SOLID, pen_width, pen_color);
}
void set_fill_color(COLORREF color)
{
fill_color = color;
if (hBrush) {
DeleteObject(hBrush);
}
hBrush = CreateSolidBrush(fill_color);
}
void turn_on_fill(void)
{
fill_state = 1;
if (hBrush) {
DeleteObject(hBrush);
}
hBrush = CreateSolidBrush(fill_color);
}
void turn_off_fill(void)
{
fill_state = 0;
if (hBrush) {
DeleteObject(hBrush);
}
hBrush = (HBRUSH)GetStockObject(NULL_BRUSH);
}
/*--------------------------------------------------------------------------------*/
void draw_line(int x1, int y1, int x2, int y2)
{
HDC hdc;
hdc = GetDC (hWnd);
SelectObject(hdc, hPen);
MoveToEx(hdc, x1, y1, NULL) ;
LineTo(hdc, x2, y2);
ReleaseDC(hWnd, hdc);
}
/*--------------------------------------------------------------------------------*/
void draw_circle(int x, int y, int r)
{
HDC hdc;
hdc = GetDC (hWnd);
SelectObject(hdc, hPen);
SelectObject(hdc, hBrush);
Ellipse(hdc, x-r, y-r, x+r+1, y+r+1);
ReleaseDC(hWnd, hdc);
}
/*--------------------------------------------------------------------------------*/
void draw_pie(int x, int y, int from, int to, int r)
{
HDC hdc;
int d;
int x_delta_from, y_delta_from;
int x_delta_to, y_delta_to;
hdc = GetDC (hWnd);
SelectObject(hdc, hPen);
SelectObject(hdc, hBrush);
d = (r >= 2) ? r / 2 : 1;
x_delta_from = (int)(d*cos(from*PI/180));
y_delta_from = (int)(d*sin(from*PI/180));
x_delta_to = (int)(d*cos(to*PI/180));
y_delta_to = (int)(d*sin(to*PI/180));
// 弦从起始角度逆时针扫到终止角度
//Pie(hdc, x-r, y-r, x+r+1, y+r+1, (int)(x+d*cos(from*PI/180)), (int)(y-d*sin(from*PI/180)), x+d*cos(end*PI/180), y-d*sin(end*PI/180));
Pie(hdc, x-r, y-r, x+r+1, y+r+1, x+x_delta_from, y-y_delta_from, x+x_delta_to, y-y_delta_to);
ReleaseDC(hWnd, hdc);
}
/*--------------------------------------------------------------------------------*/
void draw_rectangle(int x1, int y1, int x2, int y2)
{
HDC hdc;
hdc = GetDC (hWnd);
SelectObject(hdc, hPen);
SelectObject(hdc, hBrush);
Rectangle(hdc, x1, y1, x2, y2);
ReleaseDC(hWnd, hdc);
}
/*--------------------------------------------------------------------------------*/
HFONT hFont = NULL;
COLORREF gui_font_color;
COLORREF gui_font_bk_color = RGB(0, 0, 196);
int gui_use_font_bk_color = 0; // 默认状态下字体背景透明
char gui_font_name[100];
int gui_font_height;
void set_gui_font_name(const char * name)
{
LOGFONT lf;
strcpy(gui_font_name, name);
lf.lfHeight = gui_font_height;
lf.lfWidth = 0 ;
lf.lfEscapement = 0 ;
lf.lfOrientation = 0 ;
lf.lfWeight = 0;
lf.lfItalic = 0;
lf.lfUnderline = 0;
lf.lfStrikeOut = 0;
lf.lfCharSet = DEFAULT_CHARSET ;
lf.lfOutPrecision = 0 ;
lf.lfClipPrecision = 0 ;
lf.lfQuality = 0 ;
lf.lfPitchAndFamily = 0 ;
strcpy(lf.lfFaceName, gui_font_name);
if (hFont) {
DeleteObject(hFont);
}
hFont = CreateFontIndirect(&lf) ;
}
void set_gui_font_height(int height)
{
LOGFONT lf;
gui_font_height = height;
lf.lfHeight = gui_font_height;
lf.lfWidth = 0 ;
lf.lfEscapement = 0 ;
lf.lfOrientation = 0 ;
lf.lfWeight = 0;
lf.lfItalic = 0;
lf.lfUnderline = 0;
lf.lfStrikeOut = 0;
lf.lfCharSet = DEFAULT_CHARSET ;
lf.lfOutPrecision = 0 ;
lf.lfClipPrecision = 0 ;
lf.lfQuality = 0 ;
lf.lfPitchAndFamily = 0 ;
strcpy(lf.lfFaceName, gui_font_name);
if (hFont) {
DeleteObject(hFont);
}
hFont = CreateFontIndirect(&lf) ;
}
void set_gui_font_color(COLORREF color)
{
gui_font_color = color;
}
void set_gui_font_bk_color(COLORREF color)
{
gui_font_bk_color = color;
}
void turn_on_gui_font_bk_color(void)
{
gui_use_font_bk_color = 1;
}
void turn_off_gui_font_bk_color(void)
{
gui_use_font_bk_color = 0;
}
/*--------------------------------------------------------------------------------*/
void draw_text(int x, int y, const char * s)
{
HDC hdc;
hdc = GetDC (hWnd);
SetTextColor(hdc, gui_font_color);
SetBkColor(hdc, gui_font_bk_color);
SetBkMode(hdc, (gui_use_font_bk_color ? OPAQUE : TRANSPARENT));
SelectObject (hdc, hFont);
TextOut(hdc, x, y, s, strlen(s));
ReleaseDC(hWnd, hdc);
}
/*--------------------------------------------------------------------------------*/
void gui_printf(int x, int y, const char *fmt, ...)
{
int len;
char s[1000] ;
va_list args;
va_start(args, fmt);
len = vsprintf(s, fmt, args) ;
draw_text(x, y, s);
va_end(args);
}
/*--------------------------------------------------------------------------------*/
void draw_bmp(int x, int y, const char *name)
{
HBITMAP hBitmap;
BITMAP bitmap;
int cxSource, cySource;
HDC hdc;
HDC hdcMem;
hBitmap = (HBITMAP) LoadImage(NULL, name, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
GetObject(hBitmap, sizeof (BITMAP), &bitmap);
cxSource = bitmap.bmWidth;
cySource = bitmap.bmHeight ;
hdc = GetDC(hWnd);
hdcMem = CreateCompatibleDC(hdc);
SelectObject(hdcMem, hBitmap);
BitBlt(hdc, x, y, cxSource, cySource, hdcMem, 0, 0, SRCCOPY) ;
DeleteDC(hdcMem);
ReleaseDC(hWnd, hdc);
DeleteObject (hBitmap) ;
}
/*--------------------------------------------------------------------------------*/
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message) {
case WM_COMMAND: {
int wmId, wmEvent;
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
switch (wmId) {
//case IDM_ABOUT:
//DialogBox(hInst, (LPCTSTR)IDD_ABOUTBOX, hWnd, (DLGPROC)About);
// break;
//case IDM_EXIT:
// DestroyWindow(hWnd);
//ybreak;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
}
case WM_PAINT: {
PAINTSTRUCT ps;
HDC hdc;
RECT rt;
hdc = BeginPaint(hWnd, &ps);
GetClientRect(hWnd, &rt);
if (function_to_call_when_refresh) {
function_to_call_when_refresh();
}
EndPaint(hWnd, &ps);
break;
}
case WM_LBUTTONDOWN: {
if (function_to_call_when_left_button_pressed) {
int x;
int y;
x = LOWORD (lParam);
y = HIWORD(lParam);
function_to_call_when_left_button_pressed(x, y);
}
break;
}
case WM_RBUTTONDOWN: {
if (function_to_call_when_right_button_pressed) {
int x;
int y;
x = LOWORD (lParam);
y = HIWORD(lParam);
function_to_call_when_right_button_pressed(x, y);
}
break;
}
case WM_CHAR: {
char c = wParam;
char buf[2];
buf[0] = c;
buf[1] = 0;
//draw_text(3, 3, buf);
if (function_to_call_when_keyboard_input) {
function_to_call_when_keyboard_input(buf);
}
break;
}
case WM_IME_CHAR: {
char c0 = (BYTE)(wParam >> 8);
char c1 = wParam;
char buf[3];
buf[0] = c0;
buf[1] = c1;
buf[2] = 0;
//draw_text(3, 3, buf);
if (function_to_call_when_keyboard_input) {
function_to_call_when_keyboard_input(buf);
}
break;
}
case WM_KEYDOWN: {
switch (wParam) {
case VK_F1:
case VK_F2:
case VK_F3:
case VK_F4:
case VK_F5:
case VK_F6:
case VK_F7:
case VK_F8:
case VK_F9:
case VK_F10:
case VK_F11:
case VK_F12: {
if (function_to_call_when_fn_key_pressed) {
function_to_call_when_fn_key_pressed(wParam-0x6F);
}
break;
}
case VK_LEFT: {
if (function_to_call_when_arrow_key_pressed) {
function_to_call_when_arrow_key_pressed(AD_LEFT);
}
break;
}
case VK_RIGHT: {
if (function_to_call_when_arrow_key_pressed) {
function_to_call_when_arrow_key_pressed(AD_RIGHT);
}
break;
}
case VK_UP: {
if (function_to_call_when_arrow_key_pressed) {
function_to_call_when_arrow_key_pressed(AD_UP);
}
break;
}
case VK_DOWN: {
if (function_to_call_when_arrow_key_pressed) {
function_to_call_when_arrow_key_pressed(AD_DOWN);
}
break;
}
case VK_ESCAPE: {
if (function_to_call_when_esc_key_pressed) {
function_to_call_when_esc_key_pressed();
}
break;
}
}
break;
}
/*
case WM_TIMER: {
int i = wParam - 1;
void (*f)(void);
f = timer_map.data[i].f;
f();
break;
}
*/
case WM_DESTROY:
PostQuitMessage(0);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
ATOM MyRegisterClass(HINSTANCE hInstance)
{
WNDCLASSEX wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = (WNDPROC)WndProc;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = hInstance;
wcex.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wcex.hCursor = LoadCursor(NULL, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
wcex.lpszMenuName = NULL;
wcex.lpszClassName = szWindowClass;
wcex.hIconSm = NULL;
return RegisterClassEx(&wcex);
}
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
hInst = hInstance; // Store instance handle in our global variable
hWnd = CreateWindow(szWindowClass, "", WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
if (!hWnd) {
return FALSE;
}
ShowWindow(hWnd, nCmdShow);
UpdateWindow(hWnd);
return TRUE;
}
int play_gui(void)
{
MSG msg;
set_pen_color(RGB(255, 0, 0));
set_gui_font_name("Courier New");
set_gui_font_height(40);
MyRegisterClass(0);
if (!InitInstance(GetModuleHandle(NULL), SW_SHOWNORMAL)) {
return 0;
}
SetForegroundWindow(hWnd);
while (GetMessage(&msg, NULL, 0, 0)) {
TranslateMessage(&msg);
DispatchMessage(&msg);
}
hWnd = NULL;
return 1;
}
void quit_gui(void)
{
//PostQuitMessage(0);
DestroyWindow(hWnd);
}