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1 | /* |
2 | * windows.c: Windows front end for my puzzle collection. |
3 | */ |
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4 | |
5 | #include <windows.h> |
6 | |
7 | #include <stdio.h> |
8 | #include <stdarg.h> |
9 | #include <stdlib.h> |
10 | #include <time.h> |
11 | |
12 | #include "puzzles.h" |
13 | |
eb2ad6f1 |
14 | #define IDM_NEW 0x0010 |
15 | #define IDM_RESTART 0x0020 |
16 | #define IDM_UNDO 0x0030 |
17 | #define IDM_REDO 0x0040 |
18 | #define IDM_QUIT 0x0050 |
19 | #define IDM_PRESETS 0x0100 |
20 | |
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21 | #ifdef DEBUG |
22 | static FILE *debug_fp = NULL; |
23 | static HANDLE debug_hdl = INVALID_HANDLE_VALUE; |
24 | static int debug_got_console = 0; |
25 | |
26 | void dputs(char *buf) |
27 | { |
28 | DWORD dw; |
29 | |
30 | if (!debug_got_console) { |
31 | if (AllocConsole()) { |
32 | debug_got_console = 1; |
33 | debug_hdl = GetStdHandle(STD_OUTPUT_HANDLE); |
34 | } |
35 | } |
36 | if (!debug_fp) { |
37 | debug_fp = fopen("debug.log", "w"); |
38 | } |
39 | |
40 | if (debug_hdl != INVALID_HANDLE_VALUE) { |
41 | WriteFile(debug_hdl, buf, strlen(buf), &dw, NULL); |
42 | } |
43 | fputs(buf, debug_fp); |
44 | fflush(debug_fp); |
45 | } |
46 | |
47 | void debug_printf(char *fmt, ...) |
48 | { |
49 | char buf[4096]; |
50 | va_list ap; |
51 | |
52 | va_start(ap, fmt); |
53 | vsprintf(buf, fmt, ap); |
54 | dputs(buf); |
55 | va_end(ap); |
56 | } |
57 | |
58 | #define debug(x) (debug_printf x) |
59 | |
60 | #else |
61 | |
62 | #define debug(x) |
63 | |
64 | #endif |
65 | |
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66 | struct frontend { |
67 | midend_data *me; |
68 | HWND hwnd; |
69 | HBITMAP bitmap, prevbm; |
70 | HDC hdc_bm; |
71 | COLORREF *colours; |
72 | HBRUSH *brushes; |
73 | HPEN *pens; |
74 | UINT timer; |
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75 | int npresets; |
76 | game_params **presets; |
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77 | }; |
78 | |
79 | void fatal(char *fmt, ...) |
80 | { |
81 | char buf[2048]; |
82 | va_list ap; |
83 | |
84 | va_start(ap, fmt); |
85 | vsprintf(buf, fmt, ap); |
86 | va_end(ap); |
87 | |
88 | MessageBox(NULL, buf, "Fatal error", MB_ICONEXCLAMATION | MB_OK); |
89 | |
90 | exit(1); |
91 | } |
92 | |
93 | void frontend_default_colour(frontend *fe, float *output) |
94 | { |
95 | DWORD c = GetSysColor(COLOR_MENU); /* ick */ |
96 | |
97 | output[0] = (float)(GetRValue(c) / 255.0); |
98 | output[1] = (float)(GetGValue(c) / 255.0); |
99 | output[2] = (float)(GetBValue(c) / 255.0); |
100 | } |
101 | |
102 | void draw_rect(frontend *fe, int x, int y, int w, int h, int colour) |
103 | { |
fbdd7610 |
104 | if (w == 1 && h == 1) { |
105 | /* |
106 | * Rectangle() appears to get uppity if asked to draw a 1x1 |
107 | * rectangle, presumably on the grounds that that's beneath |
108 | * its dignity and you ought to be using SetPixel instead. |
109 | * So I will. |
110 | */ |
111 | SetPixel(fe->hdc_bm, x, y, fe->colours[colour]); |
112 | } else { |
113 | HBRUSH oldbrush = SelectObject(fe->hdc_bm, fe->brushes[colour]); |
114 | HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); |
115 | Rectangle(fe->hdc_bm, x, y, x+w, y+h); |
116 | SelectObject(fe->hdc_bm, oldbrush); |
117 | SelectObject(fe->hdc_bm, oldpen); |
118 | } |
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119 | } |
120 | |
121 | void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour) |
122 | { |
123 | HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); |
124 | MoveToEx(fe->hdc_bm, x1, y1, NULL); |
125 | LineTo(fe->hdc_bm, x2, y2); |
126 | SetPixel(fe->hdc_bm, x2, y2, fe->colours[colour]); |
127 | SelectObject(fe->hdc_bm, oldpen); |
128 | } |
129 | |
130 | void draw_polygon(frontend *fe, int *coords, int npoints, |
131 | int fill, int colour) |
132 | { |
133 | POINT *pts = snewn(npoints+1, POINT); |
134 | int i; |
135 | |
136 | for (i = 0; i <= npoints; i++) { |
137 | int j = (i < npoints ? i : 0); |
138 | pts[i].x = coords[j*2]; |
139 | pts[i].y = coords[j*2+1]; |
140 | } |
141 | |
142 | if (fill) { |
143 | HBRUSH oldbrush = SelectObject(fe->hdc_bm, fe->brushes[colour]); |
144 | HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); |
145 | Polygon(fe->hdc_bm, pts, npoints); |
146 | SelectObject(fe->hdc_bm, oldbrush); |
147 | SelectObject(fe->hdc_bm, oldpen); |
148 | } else { |
149 | HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); |
150 | Polyline(fe->hdc_bm, pts, npoints+1); |
151 | SelectObject(fe->hdc_bm, oldpen); |
152 | } |
153 | |
154 | sfree(pts); |
155 | } |
156 | |
157 | void start_draw(frontend *fe) |
158 | { |
159 | HDC hdc_win; |
160 | hdc_win = GetDC(fe->hwnd); |
161 | fe->hdc_bm = CreateCompatibleDC(hdc_win); |
162 | fe->prevbm = SelectObject(fe->hdc_bm, fe->bitmap); |
163 | ReleaseDC(fe->hwnd, hdc_win); |
164 | } |
165 | |
166 | void draw_update(frontend *fe, int x, int y, int w, int h) |
167 | { |
168 | RECT r; |
169 | |
170 | r.left = x; |
171 | r.top = y; |
172 | r.right = x + w; |
173 | r.bottom = y + h; |
174 | |
175 | InvalidateRect(fe->hwnd, &r, FALSE); |
176 | } |
177 | |
178 | void end_draw(frontend *fe) |
179 | { |
180 | SelectObject(fe->hdc_bm, fe->prevbm); |
181 | DeleteDC(fe->hdc_bm); |
182 | } |
183 | |
184 | void deactivate_timer(frontend *fe) |
185 | { |
186 | KillTimer(fe->hwnd, fe->timer); |
187 | fe->timer = 0; |
188 | } |
189 | |
190 | void activate_timer(frontend *fe) |
191 | { |
192 | fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL); |
193 | } |
194 | |
195 | static frontend *new_window(HINSTANCE inst) |
196 | { |
197 | frontend *fe; |
198 | int x, y; |
199 | RECT r; |
200 | HDC hdc; |
201 | |
202 | fe = snew(frontend); |
203 | fe->me = midend_new(fe); |
204 | midend_new_game(fe->me, NULL); |
205 | midend_size(fe->me, &x, &y); |
206 | |
207 | fe->timer = 0; |
208 | |
209 | { |
210 | int i, ncolours; |
211 | float *colours; |
212 | |
213 | colours = midend_colours(fe->me, &ncolours); |
214 | |
215 | fe->colours = snewn(ncolours, COLORREF); |
216 | fe->brushes = snewn(ncolours, HBRUSH); |
217 | fe->pens = snewn(ncolours, HPEN); |
218 | |
219 | for (i = 0; i < ncolours; i++) { |
220 | fe->colours[i] = RGB(255 * colours[i*3+0], |
221 | 255 * colours[i*3+1], |
222 | 255 * colours[i*3+2]); |
223 | fe->brushes[i] = CreateSolidBrush(fe->colours[i]); |
224 | if (!fe->brushes[i]) |
225 | MessageBox(fe->hwnd, "ooh", "eck", MB_OK); |
226 | fe->pens[i] = CreatePen(PS_SOLID, 1, fe->colours[i]); |
227 | } |
228 | } |
229 | |
230 | r.left = r.top = 0; |
231 | r.right = x; |
232 | r.bottom = y; |
233 | AdjustWindowRectEx(&r, WS_OVERLAPPEDWINDOW &~ |
234 | (WS_THICKFRAME | WS_MAXIMIZEBOX | WS_OVERLAPPED), |
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235 | TRUE, 0); |
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236 | |
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237 | fe->hwnd = CreateWindowEx(0, game_name, game_name, |
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238 | WS_OVERLAPPEDWINDOW &~ |
239 | (WS_THICKFRAME | WS_MAXIMIZEBOX), |
240 | CW_USEDEFAULT, CW_USEDEFAULT, |
241 | r.right - r.left, r.bottom - r.top, |
242 | NULL, NULL, inst, NULL); |
243 | |
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244 | { |
245 | HMENU bar = CreateMenu(); |
246 | HMENU menu = CreateMenu(); |
247 | |
248 | AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)menu, "Game"); |
249 | AppendMenu(menu, MF_ENABLED, IDM_NEW, "New"); |
250 | AppendMenu(menu, MF_ENABLED, IDM_RESTART, "Restart"); |
251 | |
252 | if ((fe->npresets = midend_num_presets(fe->me)) > 0) { |
253 | HMENU sub = CreateMenu(); |
254 | int i; |
255 | |
256 | AppendMenu(menu, MF_ENABLED|MF_POPUP, (UINT)sub, "Type"); |
257 | |
258 | fe->presets = snewn(fe->npresets, game_params *); |
259 | |
260 | for (i = 0; i < fe->npresets; i++) { |
261 | char *name; |
262 | |
263 | midend_fetch_preset(fe->me, i, &name, &fe->presets[i]); |
264 | |
265 | /* |
266 | * FIXME: we ought to go through and do something |
267 | * with ampersands here. |
268 | */ |
269 | |
270 | AppendMenu(sub, MF_ENABLED, IDM_PRESETS + 0x10 * i, name); |
271 | } |
272 | } |
273 | |
274 | AppendMenu(menu, MF_SEPARATOR, 0, 0); |
275 | AppendMenu(menu, MF_ENABLED, IDM_UNDO, "Undo"); |
276 | AppendMenu(menu, MF_ENABLED, IDM_REDO, "Redo"); |
277 | AppendMenu(menu, MF_SEPARATOR, 0, 0); |
278 | AppendMenu(menu, MF_ENABLED, IDM_QUIT, "Exit"); |
279 | SetMenu(fe->hwnd, bar); |
280 | } |
281 | |
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282 | hdc = GetDC(fe->hwnd); |
283 | fe->bitmap = CreateCompatibleBitmap(hdc, x, y); |
284 | ReleaseDC(fe->hwnd, hdc); |
285 | |
286 | SetWindowLong(fe->hwnd, GWL_USERDATA, (LONG)fe); |
287 | |
288 | ShowWindow(fe->hwnd, SW_NORMAL); |
289 | SetForegroundWindow(fe->hwnd); |
290 | |
291 | midend_redraw(fe->me); |
292 | |
293 | return fe; |
294 | } |
295 | |
296 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
297 | WPARAM wParam, LPARAM lParam) |
298 | { |
299 | frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA); |
300 | |
301 | switch (message) { |
302 | case WM_CLOSE: |
303 | DestroyWindow(hwnd); |
304 | return 0; |
eb2ad6f1 |
305 | case WM_COMMAND: |
306 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
307 | case IDM_NEW: |
308 | if (!midend_process_key(fe->me, 0, 0, 'n')) |
309 | PostQuitMessage(0); |
310 | break; |
311 | case IDM_RESTART: |
312 | if (!midend_process_key(fe->me, 0, 0, 'r')) |
313 | PostQuitMessage(0); |
314 | break; |
315 | case IDM_UNDO: |
316 | if (!midend_process_key(fe->me, 0, 0, 'u')) |
317 | PostQuitMessage(0); |
318 | break; |
319 | case IDM_REDO: |
320 | if (!midend_process_key(fe->me, 0, 0, '\x12')) |
321 | PostQuitMessage(0); |
322 | break; |
323 | case IDM_QUIT: |
324 | if (!midend_process_key(fe->me, 0, 0, 'q')) |
325 | PostQuitMessage(0); |
326 | break; |
327 | default: |
328 | { |
329 | int p = ((wParam &~ 0xF) - IDM_PRESETS) / 0x10; |
330 | |
331 | if (p >= 0 && p < fe->npresets) { |
332 | RECT r; |
333 | HDC hdc; |
334 | int x, y; |
335 | |
336 | midend_set_params(fe->me, fe->presets[p]); |
337 | midend_new_game(fe->me, NULL); |
338 | midend_size(fe->me, &x, &y); |
339 | |
340 | r.left = r.top = 0; |
341 | r.right = x; |
342 | r.bottom = y; |
343 | AdjustWindowRectEx(&r, WS_OVERLAPPEDWINDOW &~ |
344 | (WS_THICKFRAME | WS_MAXIMIZEBOX | |
345 | WS_OVERLAPPED), |
346 | TRUE, 0); |
347 | |
348 | SetWindowPos(fe->hwnd, NULL, 0, 0, |
349 | r.right - r.left, r.bottom - r.top, |
350 | SWP_NOMOVE | SWP_NOZORDER); |
351 | |
352 | DeleteObject(fe->bitmap); |
353 | |
354 | hdc = GetDC(fe->hwnd); |
355 | fe->bitmap = CreateCompatibleBitmap(hdc, x, y); |
356 | ReleaseDC(fe->hwnd, hdc); |
357 | |
358 | midend_redraw(fe->me); |
359 | } |
360 | } |
361 | break; |
362 | } |
363 | break; |
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364 | case WM_DESTROY: |
365 | PostQuitMessage(0); |
366 | return 0; |
367 | case WM_PAINT: |
368 | { |
369 | PAINTSTRUCT p; |
370 | HDC hdc, hdc2; |
371 | HBITMAP prevbm; |
372 | |
373 | hdc = BeginPaint(hwnd, &p); |
374 | hdc2 = CreateCompatibleDC(hdc); |
375 | prevbm = SelectObject(hdc2, fe->bitmap); |
376 | BitBlt(hdc, |
377 | p.rcPaint.left, p.rcPaint.top, |
378 | p.rcPaint.right - p.rcPaint.left, |
379 | p.rcPaint.bottom - p.rcPaint.top, |
380 | hdc2, |
381 | p.rcPaint.left, p.rcPaint.top, |
382 | SRCCOPY); |
383 | SelectObject(hdc2, prevbm); |
384 | DeleteDC(hdc2); |
385 | EndPaint(hwnd, &p); |
386 | } |
387 | return 0; |
388 | case WM_KEYDOWN: |
389 | { |
390 | int key = -1; |
391 | |
392 | switch (wParam) { |
393 | case VK_LEFT: key = CURSOR_LEFT; break; |
394 | case VK_RIGHT: key = CURSOR_RIGHT; break; |
395 | case VK_UP: key = CURSOR_UP; break; |
396 | case VK_DOWN: key = CURSOR_DOWN; break; |
c71454c0 |
397 | /* |
398 | * Diagonal keys on the numeric keypad. |
399 | */ |
400 | case VK_PRIOR: |
401 | if (!(lParam & 0x01000000)) key = CURSOR_UP_RIGHT; |
402 | break; |
403 | case VK_NEXT: |
404 | if (!(lParam & 0x01000000)) key = CURSOR_DOWN_RIGHT; |
405 | break; |
406 | case VK_HOME: |
407 | if (!(lParam & 0x01000000)) key = CURSOR_UP_LEFT; |
408 | break; |
409 | case VK_END: |
410 | if (!(lParam & 0x01000000)) key = CURSOR_DOWN_LEFT; |
411 | break; |
412 | /* |
413 | * Numeric keypad keys with Num Lock on. |
414 | */ |
415 | case VK_NUMPAD4: key = CURSOR_LEFT; break; |
416 | case VK_NUMPAD6: key = CURSOR_RIGHT; break; |
417 | case VK_NUMPAD8: key = CURSOR_UP; break; |
418 | case VK_NUMPAD2: key = CURSOR_DOWN; break; |
419 | case VK_NUMPAD9: key = CURSOR_UP_RIGHT; break; |
420 | case VK_NUMPAD3: key = CURSOR_DOWN_RIGHT; break; |
421 | case VK_NUMPAD7: key = CURSOR_UP_LEFT; break; |
422 | case VK_NUMPAD1: key = CURSOR_DOWN_LEFT; break; |
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423 | } |
424 | |
425 | if (key != -1) { |
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426 | if (!midend_process_key(fe->me, 0, 0, key)) |
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427 | PostQuitMessage(0); |
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428 | } else { |
429 | MSG m; |
430 | m.hwnd = hwnd; |
431 | m.message = WM_KEYDOWN; |
432 | m.wParam = wParam; |
433 | m.lParam = lParam & 0xdfff; |
434 | TranslateMessage(&m); |
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435 | } |
436 | } |
437 | break; |
438 | case WM_LBUTTONDOWN: |
439 | case WM_RBUTTONDOWN: |
440 | case WM_MBUTTONDOWN: |
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441 | { |
442 | int button; |
443 | |
444 | /* |
445 | * Shift-clicks count as middle-clicks, since otherwise |
446 | * two-button Windows users won't have any kind of |
447 | * middle click to use. |
448 | */ |
449 | if (message == WM_MBUTTONDOWN || (wParam & MK_SHIFT)) |
450 | button = MIDDLE_BUTTON; |
451 | else if (message == WM_LBUTTONDOWN) |
452 | button = LEFT_BUTTON; |
453 | else |
454 | button = RIGHT_BUTTON; |
455 | |
456 | if (!midend_process_key(fe->me, LOWORD(lParam), |
457 | HIWORD(lParam), button)) |
458 | PostQuitMessage(0); |
459 | } |
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460 | break; |
461 | case WM_CHAR: |
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462 | if (!midend_process_key(fe->me, 0, 0, (unsigned char)wParam)) |
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463 | PostQuitMessage(0); |
464 | return 0; |
465 | case WM_TIMER: |
466 | if (fe->timer) |
467 | midend_timer(fe->me, (float)0.02); |
468 | return 0; |
469 | } |
470 | |
471 | return DefWindowProc(hwnd, message, wParam, lParam); |
472 | } |
473 | |
474 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
475 | { |
476 | MSG msg; |
477 | |
478 | srand(time(NULL)); |
479 | |
480 | if (!prev) { |
481 | WNDCLASS wndclass; |
482 | |
483 | wndclass.style = 0; |
484 | wndclass.lpfnWndProc = WndProc; |
485 | wndclass.cbClsExtra = 0; |
486 | wndclass.cbWndExtra = 0; |
487 | wndclass.hInstance = inst; |
488 | wndclass.hIcon = LoadIcon(inst, IDI_APPLICATION); |
489 | wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); |
490 | wndclass.hbrBackground = NULL; |
491 | wndclass.lpszMenuName = NULL; |
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492 | wndclass.lpszClassName = game_name; |
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493 | |
494 | RegisterClass(&wndclass); |
495 | } |
496 | |
497 | new_window(inst); |
498 | |
499 | while (GetMessage(&msg, NULL, 0, 0)) { |
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500 | DispatchMessage(&msg); |
501 | } |
502 | |
503 | return msg.wParam; |
504 | } |