After it confused Verity, clarify in the Unequal docs that the
[sgt/puzzles] / windows.c
CommitLineData
720a8fb7 1/*
2 * windows.c: Windows front end for my puzzle collection.
3 */
4e7ef6e6 4
5#include <windows.h>
fd1a1a2b 6#include <commctrl.h>
291c690f 7#ifndef NO_HTMLHELP
750037d7 8#include <htmlhelp.h>
291c690f 9#endif /* NO_HTMLHELP */
4e7ef6e6 10
11#include <stdio.h>
4efb3868 12#include <assert.h>
8b7938e7 13#include <ctype.h>
4e7ef6e6 14#include <stdarg.h>
15#include <stdlib.h>
1e3e152d 16#include <limits.h>
4e7ef6e6 17#include <time.h>
18
19#include "puzzles.h"
20
eb2ad6f1 21#define IDM_NEW 0x0010
22#define IDM_RESTART 0x0020
23#define IDM_UNDO 0x0030
24#define IDM_REDO 0x0040
1cdfcdbd 25#define IDM_COPY 0x0050
2ac6d24e 26#define IDM_SOLVE 0x0060
27#define IDM_QUIT 0x0070
28#define IDM_CONFIG 0x0080
1185e3c5 29#define IDM_DESC 0x0090
30#define IDM_SEED 0x00A0
31#define IDM_HELPC 0x00B0
32#define IDM_GAMEHELP 0x00C0
fa7515b2 33#define IDM_ABOUT 0x00D0
668be019 34#define IDM_SAVE 0x00E0
35#define IDM_LOAD 0x00F0
821ab2c6 36#define IDM_PRINT 0x0100
37#define IDM_PRESETS 0x0110
eb2ad6f1 38
e91825f8 39#define HELP_FILE_NAME "puzzles.hlp"
40#define HELP_CNT_NAME "puzzles.cnt"
291c690f 41#ifndef NO_HTMLHELP
750037d7 42#define CHM_FILE_NAME "puzzles.chm"
291c690f 43#endif /* NO_HTMLHELP */
750037d7 44
291c690f 45#ifndef NO_HTMLHELP
750037d7 46typedef HWND (CALLBACK *htmlhelp_t)(HWND, LPCSTR, UINT, DWORD);
750037d7 47static htmlhelp_t htmlhelp;
48static HINSTANCE hh_dll;
291c690f 49#endif /* NO_HTMLHELP */
750037d7 50enum { NONE, HLP, CHM } help_type;
51char *help_path;
52const char *help_topic;
53int help_has_contents;
e91825f8 54
7b010604 55#ifdef DEBUGGING
c71454c0 56static FILE *debug_fp = NULL;
57static HANDLE debug_hdl = INVALID_HANDLE_VALUE;
58static int debug_got_console = 0;
59
60void dputs(char *buf)
61{
62 DWORD dw;
63
64 if (!debug_got_console) {
65 if (AllocConsole()) {
66 debug_got_console = 1;
67 debug_hdl = GetStdHandle(STD_OUTPUT_HANDLE);
68 }
69 }
70 if (!debug_fp) {
71 debug_fp = fopen("debug.log", "w");
72 }
73
74 if (debug_hdl != INVALID_HANDLE_VALUE) {
75 WriteFile(debug_hdl, buf, strlen(buf), &dw, NULL);
76 }
77 fputs(buf, debug_fp);
78 fflush(debug_fp);
79}
80
81void debug_printf(char *fmt, ...)
82{
83 char buf[4096];
84 va_list ap;
85
86 va_start(ap, fmt);
ab3a1e43 87 _vsnprintf(buf, 4095, fmt, ap);
c71454c0 88 dputs(buf);
89 va_end(ap);
90}
c71454c0 91#endif
92
35ee2001 93#define WINFLAGS (WS_OVERLAPPEDWINDOW &~ \
94 (WS_THICKFRAME | WS_MAXIMIZEBOX | WS_OVERLAPPED))
95
96static void new_game_size(frontend *fe);
97
4efb3868 98struct font {
99 HFONT font;
100 int type;
101 int size;
102};
103
077f3cbe 104struct cfg_aux {
105 int ctlid;
106};
107
3161048d 108struct blitter {
109 HBITMAP bitmap;
110 frontend *fe;
111 int x, y, w, h;
112};
113
821ab2c6 114enum { CFG_PRINT = CFG_FRONTEND_SPECIFIC };
115
4e7ef6e6 116struct frontend {
dafd6cf6 117 midend *me;
077f3cbe 118 HWND hwnd, statusbar, cfgbox;
119 HINSTANCE inst;
4e7ef6e6 120 HBITMAP bitmap, prevbm;
821ab2c6 121 HDC hdc;
4e7ef6e6 122 COLORREF *colours;
123 HBRUSH *brushes;
124 HPEN *pens;
4efb3868 125 HRGN clip;
4e7ef6e6 126 UINT timer;
8c1fd974 127 DWORD timer_last_tickcount;
eb2ad6f1 128 int npresets;
129 game_params **presets;
4efb3868 130 struct font *fonts;
131 int nfonts, fontsize;
077f3cbe 132 config_item *cfg;
133 struct cfg_aux *cfgaux;
97098757 134 int cfg_which, dlg_done;
077f3cbe 135 HFONT cfgfont;
821ab2c6 136 HBRUSH oldbr;
137 HPEN oldpen;
750037d7 138 int help_running;
821ab2c6 139 enum { DRAWING, PRINTING, NOTHING } drawstatus;
140 DOCINFO di;
141 int printcount, printw, printh, printsolns, printcurr, printcolour;
142 float printscale;
143 int printoffsetx, printoffsety;
144 float printpixelscale;
145 int fontstart;
146 int linewidth;
147 drawing *dr;
4e7ef6e6 148};
149
150void fatal(char *fmt, ...)
151{
152 char buf[2048];
153 va_list ap;
154
155 va_start(ap, fmt);
156 vsprintf(buf, fmt, ap);
157 va_end(ap);
158
159 MessageBox(NULL, buf, "Fatal error", MB_ICONEXCLAMATION | MB_OK);
160
161 exit(1);
162}
163
821ab2c6 164char *geterrstr(void)
165{
166 LPVOID lpMsgBuf;
167 DWORD dw = GetLastError();
168 char *ret;
169
170 FormatMessage(
171 FORMAT_MESSAGE_ALLOCATE_BUFFER |
172 FORMAT_MESSAGE_FROM_SYSTEM,
173 NULL,
174 dw,
175 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
176 (LPTSTR) &lpMsgBuf,
177 0, NULL );
178
179 ret = dupstr(lpMsgBuf);
180
181 LocalFree(lpMsgBuf);
182
183 return ret;
184}
185
cbb5549e 186void get_random_seed(void **randseed, int *randseedsize)
187{
188 time_t *tp = snew(time_t);
189 time(tp);
190 *randseed = (void *)tp;
191 *randseedsize = sizeof(time_t);
192}
193
dafd6cf6 194static void win_status_bar(void *handle, char *text)
fd1a1a2b 195{
dafd6cf6 196 frontend *fe = (frontend *)handle;
821ab2c6 197
83c0438f 198 SetWindowText(fe->statusbar, text);
fd1a1a2b 199}
200
dafd6cf6 201static blitter *win_blitter_new(void *handle, int w, int h)
3161048d 202{
203 blitter *bl = snew(blitter);
204
205 memset(bl, 0, sizeof(blitter));
206 bl->w = w;
207 bl->h = h;
208 bl->bitmap = 0;
209
210 return bl;
211}
212
dafd6cf6 213static void win_blitter_free(void *handle, blitter *bl)
3161048d 214{
215 if (bl->bitmap) DeleteObject(bl->bitmap);
216 sfree(bl);
217}
218
219static void blitter_mkbitmap(frontend *fe, blitter *bl)
220{
221 HDC hdc = GetDC(fe->hwnd);
222 bl->bitmap = CreateCompatibleBitmap(hdc, bl->w, bl->h);
223 ReleaseDC(fe->hwnd, hdc);
224}
225
226/* BitBlt(dstDC, dstX, dstY, dstW, dstH, srcDC, srcX, srcY, dType) */
227
dafd6cf6 228static void win_blitter_save(void *handle, blitter *bl, int x, int y)
3161048d 229{
dafd6cf6 230 frontend *fe = (frontend *)handle;
3161048d 231 HDC hdc_win, hdc_blit;
232 HBITMAP prev_blit;
233
821ab2c6 234 assert(fe->drawstatus == DRAWING);
235
3161048d 236 if (!bl->bitmap) blitter_mkbitmap(fe, bl);
237
238 bl->x = x; bl->y = y;
239
240 hdc_win = GetDC(fe->hwnd);
241 hdc_blit = CreateCompatibleDC(hdc_win);
242 if (!hdc_blit) fatal("hdc_blit failed: 0x%x", GetLastError());
243
244 prev_blit = SelectObject(hdc_blit, bl->bitmap);
245 if (prev_blit == NULL || prev_blit == HGDI_ERROR)
246 fatal("SelectObject for hdc_main failed: 0x%x", GetLastError());
247
248 if (!BitBlt(hdc_blit, 0, 0, bl->w, bl->h,
821ab2c6 249 fe->hdc, x, y, SRCCOPY))
3161048d 250 fatal("BitBlt failed: 0x%x", GetLastError());
251
252 SelectObject(hdc_blit, prev_blit);
253 DeleteDC(hdc_blit);
254 ReleaseDC(fe->hwnd, hdc_win);
255}
256
dafd6cf6 257static void win_blitter_load(void *handle, blitter *bl, int x, int y)
3161048d 258{
dafd6cf6 259 frontend *fe = (frontend *)handle;
3161048d 260 HDC hdc_win, hdc_blit;
261 HBITMAP prev_blit;
262
821ab2c6 263 assert(fe->drawstatus == DRAWING);
264
3161048d 265 assert(bl->bitmap); /* we should always have saved before loading */
266
267 if (x == BLITTER_FROMSAVED) x = bl->x;
268 if (y == BLITTER_FROMSAVED) y = bl->y;
269
270 hdc_win = GetDC(fe->hwnd);
271 hdc_blit = CreateCompatibleDC(hdc_win);
272
273 prev_blit = SelectObject(hdc_blit, bl->bitmap);
274
821ab2c6 275 BitBlt(fe->hdc, x, y, bl->w, bl->h,
3161048d 276 hdc_blit, 0, 0, SRCCOPY);
277
278 SelectObject(hdc_blit, prev_blit);
279 DeleteDC(hdc_blit);
280 ReleaseDC(fe->hwnd, hdc_win);
281}
282
4e7ef6e6 283void frontend_default_colour(frontend *fe, float *output)
284{
285 DWORD c = GetSysColor(COLOR_MENU); /* ick */
286
287 output[0] = (float)(GetRValue(c) / 255.0);
288 output[1] = (float)(GetGValue(c) / 255.0);
289 output[2] = (float)(GetBValue(c) / 255.0);
290}
291
821ab2c6 292static POINT win_transform_point(frontend *fe, int x, int y)
293{
294 POINT ret;
295
296 assert(fe->drawstatus != NOTHING);
297
298 if (fe->drawstatus == PRINTING) {
299 ret.x = (int)(fe->printoffsetx + fe->printpixelscale * x);
300 ret.y = (int)(fe->printoffsety + fe->printpixelscale * y);
301 } else {
302 ret.x = x;
303 ret.y = y;
304 }
305
306 return ret;
307}
308
309static void win_text_colour(frontend *fe, int colour)
310{
311 assert(fe->drawstatus != NOTHING);
312
313 if (fe->drawstatus == PRINTING) {
314 int hatch;
315 float r, g, b;
316 print_get_colour(fe->dr, colour, &hatch, &r, &g, &b);
317 if (fe->printcolour)
318 SetTextColor(fe->hdc, RGB(r * 255, g * 255, b * 255));
319 else
320 SetTextColor(fe->hdc,
321 hatch == HATCH_CLEAR ? RGB(255,255,255) : RGB(0,0,0));
322 } else {
323 SetTextColor(fe->hdc, fe->colours[colour]);
324 }
325}
326
327static void win_set_brush(frontend *fe, int colour)
328{
329 HBRUSH br;
330 assert(fe->drawstatus != NOTHING);
331
332 if (fe->drawstatus == PRINTING) {
333 int hatch;
334 float r, g, b;
335 print_get_colour(fe->dr, colour, &hatch, &r, &g, &b);
336
337 if (fe->printcolour)
338 br = CreateSolidBrush(RGB(r * 255, g * 255, b * 255));
339 else if (hatch == HATCH_SOLID)
340 br = CreateSolidBrush(RGB(0,0,0));
341 else if (hatch == HATCH_CLEAR)
342 br = CreateSolidBrush(RGB(255,255,255));
343 else
344 br = CreateHatchBrush(hatch == HATCH_BACKSLASH ? HS_FDIAGONAL :
345 hatch == HATCH_SLASH ? HS_BDIAGONAL :
346 hatch == HATCH_HORIZ ? HS_HORIZONTAL :
347 hatch == HATCH_VERT ? HS_VERTICAL :
348 hatch == HATCH_PLUS ? HS_CROSS :
349 /* hatch == HATCH_X ? */ HS_DIAGCROSS,
350 RGB(0,0,0));
351 } else {
352 br = fe->brushes[colour];
353 }
354 fe->oldbr = SelectObject(fe->hdc, br);
355}
356
357static void win_reset_brush(frontend *fe)
358{
359 HBRUSH br;
360
361 assert(fe->drawstatus != NOTHING);
362
363 br = SelectObject(fe->hdc, fe->oldbr);
364 if (fe->drawstatus == PRINTING)
365 DeleteObject(br);
366}
367
368static void win_set_pen(frontend *fe, int colour, int thin)
369{
370 HPEN pen;
371 assert(fe->drawstatus != NOTHING);
372
373 if (fe->drawstatus == PRINTING) {
374 int hatch;
375 float r, g, b;
376 int width = thin ? 0 : fe->linewidth;
377
378 print_get_colour(fe->dr, colour, &hatch, &r, &g, &b);
821ab2c6 379 if (fe->printcolour)
380 pen = CreatePen(PS_SOLID, width,
381 RGB(r * 255, g * 255, b * 255));
382 else if (hatch == HATCH_SOLID)
383 pen = CreatePen(PS_SOLID, width, RGB(0, 0, 0));
384 else if (hatch == HATCH_CLEAR)
385 pen = CreatePen(PS_SOLID, width, RGB(255,255,255));
386 else {
387 assert(!"This shouldn't happen");
388 pen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
389 }
390 } else {
391 pen = fe->pens[colour];
392 }
393 fe->oldpen = SelectObject(fe->hdc, pen);
394}
395
396static void win_reset_pen(frontend *fe)
397{
398 HPEN pen;
399
400 assert(fe->drawstatus != NOTHING);
401
402 pen = SelectObject(fe->hdc, fe->oldpen);
403 if (fe->drawstatus == PRINTING)
404 DeleteObject(pen);
405}
406
dafd6cf6 407static void win_clip(void *handle, int x, int y, int w, int h)
4efb3868 408{
dafd6cf6 409 frontend *fe = (frontend *)handle;
821ab2c6 410 POINT p, q;
411
412 if (fe->drawstatus == NOTHING)
413 return;
414
415 p = win_transform_point(fe, x, y);
416 q = win_transform_point(fe, x+w, y+h);
417 IntersectClipRect(fe->hdc, p.x, p.y, q.x, q.y);
4efb3868 418}
419
dafd6cf6 420static void win_unclip(void *handle)
4efb3868 421{
dafd6cf6 422 frontend *fe = (frontend *)handle;
821ab2c6 423
424 if (fe->drawstatus == NOTHING)
425 return;
426
427 SelectClipRgn(fe->hdc, NULL);
4efb3868 428}
429
dafd6cf6 430static void win_draw_text(void *handle, int x, int y, int fonttype,
431 int fontsize, int align, int colour, char *text)
4efb3868 432{
dafd6cf6 433 frontend *fe = (frontend *)handle;
821ab2c6 434 POINT xy;
4efb3868 435 int i;
436
821ab2c6 437 if (fe->drawstatus == NOTHING)
438 return;
439
440 if (fe->drawstatus == PRINTING)
441 fontsize = (int)(fontsize * fe->printpixelscale);
442
443 xy = win_transform_point(fe, x, y);
444
4efb3868 445 /*
446 * Find or create the font.
447 */
821ab2c6 448 for (i = fe->fontstart; i < fe->nfonts; i++)
4efb3868 449 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
450 break;
451
452 if (i == fe->nfonts) {
453 if (fe->fontsize <= fe->nfonts) {
454 fe->fontsize = fe->nfonts + 10;
455 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
456 }
457
458 fe->nfonts++;
459
460 fe->fonts[i].type = fonttype;
461 fe->fonts[i].size = fontsize;
462
821ab2c6 463 fe->fonts[i].font = CreateFont(-fontsize, 0, 0, 0,
464 fe->drawstatus == PRINTING ? 0 : FW_BOLD,
4efb3868 465 FALSE, FALSE, FALSE, DEFAULT_CHARSET,
466 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
467 DEFAULT_QUALITY,
468 (fonttype == FONT_FIXED ?
469 FIXED_PITCH | FF_DONTCARE :
470 VARIABLE_PITCH | FF_SWISS),
471 NULL);
472 }
473
474 /*
475 * Position and draw the text.
476 */
477 {
478 HFONT oldfont;
479 TEXTMETRIC tm;
480 SIZE size;
481
821ab2c6 482 oldfont = SelectObject(fe->hdc, fe->fonts[i].font);
483 if (GetTextMetrics(fe->hdc, &tm)) {
4efb3868 484 if (align & ALIGN_VCENTRE)
821ab2c6 485 xy.y -= (tm.tmAscent+tm.tmDescent)/2;
4efb3868 486 else
821ab2c6 487 xy.y -= tm.tmAscent;
4efb3868 488 }
821ab2c6 489 if (GetTextExtentPoint32(fe->hdc, text, strlen(text), &size)) {
4efb3868 490 if (align & ALIGN_HCENTRE)
821ab2c6 491 xy.x -= size.cx / 2;
4efb3868 492 else if (align & ALIGN_HRIGHT)
821ab2c6 493 xy.x -= size.cx;
4efb3868 494 }
821ab2c6 495 SetBkMode(fe->hdc, TRANSPARENT);
496 win_text_colour(fe, colour);
497 TextOut(fe->hdc, xy.x, xy.y, text, strlen(text));
498 SelectObject(fe->hdc, oldfont);
4efb3868 499 }
500}
501
dafd6cf6 502static void win_draw_rect(void *handle, int x, int y, int w, int h, int colour)
4e7ef6e6 503{
dafd6cf6 504 frontend *fe = (frontend *)handle;
821ab2c6 505 POINT p, q;
506
507 if (fe->drawstatus == NOTHING)
508 return;
509
510 if (fe->drawstatus == DRAWING && w == 1 && h == 1) {
fbdd7610 511 /*
512 * Rectangle() appears to get uppity if asked to draw a 1x1
513 * rectangle, presumably on the grounds that that's beneath
514 * its dignity and you ought to be using SetPixel instead.
515 * So I will.
516 */
821ab2c6 517 SetPixel(fe->hdc, x, y, fe->colours[colour]);
fbdd7610 518 } else {
821ab2c6 519 win_set_brush(fe, colour);
520 win_set_pen(fe, colour, TRUE);
521 p = win_transform_point(fe, x, y);
522 q = win_transform_point(fe, x+w, y+h);
523 Rectangle(fe->hdc, p.x, p.y, q.x, q.y);
524 win_reset_brush(fe);
525 win_reset_pen(fe);
fbdd7610 526 }
4e7ef6e6 527}
528
dafd6cf6 529static void win_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
4e7ef6e6 530{
dafd6cf6 531 frontend *fe = (frontend *)handle;
821ab2c6 532 POINT p, q;
533
534 if (fe->drawstatus == NOTHING)
535 return;
536
537 win_set_pen(fe, colour, FALSE);
538 p = win_transform_point(fe, x1, y1);
539 q = win_transform_point(fe, x2, y2);
540 MoveToEx(fe->hdc, p.x, p.y, NULL);
541 LineTo(fe->hdc, q.x, q.y);
542 if (fe->drawstatus == DRAWING)
543 SetPixel(fe->hdc, q.x, q.y, fe->colours[colour]);
544 win_reset_pen(fe);
4e7ef6e6 545}
546
dafd6cf6 547static void win_draw_circle(void *handle, int cx, int cy, int radius,
548 int fillcolour, int outlinecolour)
550efd7f 549{
dafd6cf6 550 frontend *fe = (frontend *)handle;
821ab2c6 551 POINT p, q, r;
552
28b5987d 553 assert(outlinecolour >= 0);
554
821ab2c6 555 if (fe->drawstatus == NOTHING)
556 return;
557
28b5987d 558 if (fillcolour >= 0) {
821ab2c6 559 win_set_brush(fe, fillcolour);
560 win_set_pen(fe, outlinecolour, FALSE);
561 p = win_transform_point(fe, cx - radius, cy - radius);
562 q = win_transform_point(fe, cx + radius, cy + radius);
563 Ellipse(fe->hdc, p.x, p.y, q.x+1, q.y+1);
564 win_reset_brush(fe);
565 win_reset_pen(fe);
550efd7f 566 } else {
821ab2c6 567 win_set_pen(fe, outlinecolour, FALSE);
568 p = win_transform_point(fe, cx - radius, cy - radius);
569 q = win_transform_point(fe, cx + radius, cy + radius);
570 r = win_transform_point(fe, cx - radius, cy);
571 Arc(fe->hdc, p.x, p.y, q.x+1, q.y+1, r.x, r.y, r.x, r.y);
572 win_reset_pen(fe);
84cf18f7 573 }
550efd7f 574}
575
dafd6cf6 576static void win_draw_polygon(void *handle, int *coords, int npoints,
577 int fillcolour, int outlinecolour)
4e7ef6e6 578{
dafd6cf6 579 frontend *fe = (frontend *)handle;
821ab2c6 580 POINT *pts;
4e7ef6e6 581 int i;
582
821ab2c6 583 if (fe->drawstatus == NOTHING)
584 return;
585
586 pts = snewn(npoints+1, POINT);
587
4e7ef6e6 588 for (i = 0; i <= npoints; i++) {
589 int j = (i < npoints ? i : 0);
821ab2c6 590 pts[i] = win_transform_point(fe, coords[j*2], coords[j*2+1]);
4e7ef6e6 591 }
592
28b5987d 593 assert(outlinecolour >= 0);
594
595 if (fillcolour >= 0) {
821ab2c6 596 win_set_brush(fe, fillcolour);
597 win_set_pen(fe, outlinecolour, FALSE);
598 Polygon(fe->hdc, pts, npoints);
599 win_reset_brush(fe);
600 win_reset_pen(fe);
4e7ef6e6 601 } else {
821ab2c6 602 win_set_pen(fe, outlinecolour, FALSE);
603 Polyline(fe->hdc, pts, npoints+1);
604 win_reset_pen(fe);
4e7ef6e6 605 }
606
607 sfree(pts);
608}
609
dafd6cf6 610static void win_start_draw(void *handle)
4e7ef6e6 611{
dafd6cf6 612 frontend *fe = (frontend *)handle;
4e7ef6e6 613 HDC hdc_win;
821ab2c6 614
615 assert(fe->drawstatus == NOTHING);
616
4e7ef6e6 617 hdc_win = GetDC(fe->hwnd);
821ab2c6 618 fe->hdc = CreateCompatibleDC(hdc_win);
619 fe->prevbm = SelectObject(fe->hdc, fe->bitmap);
4e7ef6e6 620 ReleaseDC(fe->hwnd, hdc_win);
4efb3868 621 fe->clip = NULL;
821ab2c6 622 SetMapMode(fe->hdc, MM_TEXT);
623 fe->drawstatus = DRAWING;
4e7ef6e6 624}
625
dafd6cf6 626static void win_draw_update(void *handle, int x, int y, int w, int h)
4e7ef6e6 627{
dafd6cf6 628 frontend *fe = (frontend *)handle;
4e7ef6e6 629 RECT r;
630
821ab2c6 631 if (fe->drawstatus != DRAWING)
632 return;
633
4e7ef6e6 634 r.left = x;
635 r.top = y;
636 r.right = x + w;
637 r.bottom = y + h;
638
639 InvalidateRect(fe->hwnd, &r, FALSE);
640}
641
dafd6cf6 642static void win_end_draw(void *handle)
4e7ef6e6 643{
dafd6cf6 644 frontend *fe = (frontend *)handle;
821ab2c6 645 assert(fe->drawstatus == DRAWING);
646 SelectObject(fe->hdc, fe->prevbm);
647 DeleteDC(fe->hdc);
4efb3868 648 if (fe->clip) {
649 DeleteObject(fe->clip);
650 fe->clip = NULL;
651 }
821ab2c6 652 fe->drawstatus = NOTHING;
653}
654
655static void win_line_width(void *handle, float width)
656{
657 frontend *fe = (frontend *)handle;
658
659 assert(fe->drawstatus != DRAWING);
660 if (fe->drawstatus == NOTHING)
661 return;
662
663 fe->linewidth = (int)(width * fe->printpixelscale);
664}
665
666static void win_begin_doc(void *handle, int pages)
667{
668 frontend *fe = (frontend *)handle;
669
670 assert(fe->drawstatus != DRAWING);
671 if (fe->drawstatus == NOTHING)
672 return;
673
674 if (StartDoc(fe->hdc, &fe->di) <= 0) {
675 char *e = geterrstr();
676 MessageBox(fe->hwnd, e, "Error starting to print",
677 MB_ICONERROR | MB_OK);
678 sfree(e);
679 fe->drawstatus = NOTHING;
680 }
681
682 /*
683 * Push a marker on the font stack so that we won't use the
684 * same fonts for printing and drawing. (This is because
685 * drawing seems to look generally better in bold, but printing
686 * is better not in bold.)
687 */
688 fe->fontstart = fe->nfonts;
689}
690
691static void win_begin_page(void *handle, int number)
692{
693 frontend *fe = (frontend *)handle;
694
695 assert(fe->drawstatus != DRAWING);
696 if (fe->drawstatus == NOTHING)
697 return;
698
699 if (StartPage(fe->hdc) <= 0) {
700 char *e = geterrstr();
701 MessageBox(fe->hwnd, e, "Error starting a page",
702 MB_ICONERROR | MB_OK);
703 sfree(e);
704 fe->drawstatus = NOTHING;
705 }
706}
707
708static void win_begin_puzzle(void *handle, float xm, float xc,
709 float ym, float yc, int pw, int ph, float wmm)
710{
711 frontend *fe = (frontend *)handle;
712 int ppw, pph, pox, poy;
713 float mmpw, mmph, mmox, mmoy;
714 float scale;
715
716 assert(fe->drawstatus != DRAWING);
717 if (fe->drawstatus == NOTHING)
718 return;
719
720 ppw = GetDeviceCaps(fe->hdc, HORZRES);
721 pph = GetDeviceCaps(fe->hdc, VERTRES);
722 mmpw = (float)GetDeviceCaps(fe->hdc, HORZSIZE);
723 mmph = (float)GetDeviceCaps(fe->hdc, VERTSIZE);
724
725 /*
726 * Compute the puzzle's position on the logical page.
727 */
728 mmox = xm * mmpw + xc;
729 mmoy = ym * mmph + yc;
730
731 /*
732 * Work out what that comes to in pixels.
733 */
734 pox = (int)(mmox * (float)ppw / mmpw);
735 poy = (int)(mmoy * (float)ppw / mmpw);
736
737 /*
738 * And determine the scale.
739 *
740 * I need a scale such that the maximum puzzle-coordinate
741 * extent of the rectangle (pw * scale) is equal to the pixel
742 * equivalent of the puzzle's millimetre width (wmm * ppw /
743 * mmpw).
744 */
745 scale = (wmm * ppw) / (mmpw * pw);
746
747 /*
748 * Now store pox, poy and scale for use in the main drawing
749 * functions.
750 */
751 fe->printoffsetx = pox;
752 fe->printoffsety = poy;
753 fe->printpixelscale = scale;
754
755 fe->linewidth = 1;
756}
757
758static void win_end_puzzle(void *handle)
759{
760 /* Nothing needs to be done here. */
761}
762
763static void win_end_page(void *handle, int number)
764{
765 frontend *fe = (frontend *)handle;
766
767 assert(fe->drawstatus != DRAWING);
92efb79d 768
821ab2c6 769 if (fe->drawstatus == NOTHING)
770 return;
771
772 if (EndPage(fe->hdc) <= 0) {
773 char *e = geterrstr();
774 MessageBox(fe->hwnd, e, "Error finishing a page",
775 MB_ICONERROR | MB_OK);
776 sfree(e);
777 fe->drawstatus = NOTHING;
778 }
779}
780
781static void win_end_doc(void *handle)
782{
783 frontend *fe = (frontend *)handle;
784
785 assert(fe->drawstatus != DRAWING);
786
787 /*
788 * Free all the fonts created since we began printing.
789 */
790 while (fe->nfonts > fe->fontstart) {
791 fe->nfonts--;
792 DeleteObject(fe->fonts[fe->nfonts].font);
793 }
794 fe->fontstart = 0;
795
92efb79d 796 /*
797 * The MSDN web site sample code doesn't bother to call EndDoc
798 * if an error occurs half way through printing. I expect doing
799 * so would cause the erroneous document to actually be
800 * printed, or something equally undesirable.
801 */
821ab2c6 802 if (fe->drawstatus == NOTHING)
803 return;
804
805 if (EndDoc(fe->hdc) <= 0) {
806 char *e = geterrstr();
807 MessageBox(fe->hwnd, e, "Error finishing printing",
808 MB_ICONERROR | MB_OK);
809 sfree(e);
810 fe->drawstatus = NOTHING;
811 }
4e7ef6e6 812}
813
dafd6cf6 814const struct drawing_api win_drawing = {
815 win_draw_text,
816 win_draw_rect,
817 win_draw_line,
818 win_draw_polygon,
819 win_draw_circle,
820 win_draw_update,
821 win_clip,
822 win_unclip,
823 win_start_draw,
824 win_end_draw,
825 win_status_bar,
826 win_blitter_new,
827 win_blitter_free,
828 win_blitter_save,
829 win_blitter_load,
821ab2c6 830 win_begin_doc,
831 win_begin_page,
832 win_begin_puzzle,
833 win_end_puzzle,
834 win_end_page,
835 win_end_doc,
836 win_line_width,
dafd6cf6 837};
838
821ab2c6 839void print(frontend *fe)
840{
841 PRINTDLG pd;
842 char doctitle[256];
843 document *doc;
844 midend *nme = NULL; /* non-interactive midend for bulk puzzle generation */
845 int i;
846 char *err = NULL;
847
848 /*
849 * Create our document structure and fill it up with puzzles.
850 */
851 doc = document_new(fe->printw, fe->printh, fe->printscale / 100.0F);
852 for (i = 0; i < fe->printcount; i++) {
853 if (i == 0 && fe->printcurr) {
854 err = midend_print_puzzle(fe->me, doc, fe->printsolns);
855 } else {
856 if (!nme) {
857 game_params *params;
858
859 nme = midend_new(NULL, &thegame, NULL, NULL);
860
861 /*
862 * Set the non-interactive mid-end to have the same
863 * parameters as the standard one.
864 */
865 params = midend_get_params(fe->me);
866 midend_set_params(nme, params);
867 thegame.free_params(params);
868 }
869
870 midend_new_game(nme);
871 err = midend_print_puzzle(nme, doc, fe->printsolns);
872 }
873 if (err)
874 break;
875 }
876 if (nme)
877 midend_free(nme);
878
879 if (err) {
880 MessageBox(fe->hwnd, err, "Error preparing puzzles for printing",
881 MB_ICONERROR | MB_OK);
882 document_free(doc);
883 return;
884 }
885
886 memset(&pd, 0, sizeof(pd));
887 pd.lStructSize = sizeof(pd);
888 pd.hwndOwner = fe->hwnd;
889 pd.hDevMode = NULL;
890 pd.hDevNames = NULL;
891 pd.Flags = PD_USEDEVMODECOPIESANDCOLLATE | PD_RETURNDC |
892 PD_NOPAGENUMS | PD_NOSELECTION;
893 pd.nCopies = 1;
894 pd.nFromPage = pd.nToPage = 0xFFFF;
895 pd.nMinPage = pd.nMaxPage = 1;
896
92efb79d 897 if (!PrintDlg(&pd)) {
898 document_free(doc);
821ab2c6 899 return;
92efb79d 900 }
821ab2c6 901
902 /*
903 * Now pd.hDC is a device context for the printer.
904 */
905
906 /*
907 * FIXME: IWBNI we put up an Abort box here.
908 */
909
910 memset(&fe->di, 0, sizeof(fe->di));
911 fe->di.cbSize = sizeof(fe->di);
912 sprintf(doctitle, "Printed puzzles from %s (from Simon Tatham's"
913 " Portable Puzzle Collection)", thegame.name);
914 fe->di.lpszDocName = doctitle;
915 fe->di.lpszOutput = NULL;
916 fe->di.lpszDatatype = NULL;
917 fe->di.fwType = 0;
918
919 fe->drawstatus = PRINTING;
920 fe->hdc = pd.hDC;
921
83c0438f 922 fe->dr = drawing_new(&win_drawing, NULL, fe);
821ab2c6 923 document_print(doc, fe->dr);
924 drawing_free(fe->dr);
925 fe->dr = NULL;
926
927 fe->drawstatus = NOTHING;
928
929 DeleteDC(pd.hDC);
92efb79d 930 document_free(doc);
821ab2c6 931}
932
4e7ef6e6 933void deactivate_timer(frontend *fe)
934{
821ab2c6 935 if (!fe)
936 return; /* for non-interactive midend */
986cc2de 937 if (fe->hwnd) KillTimer(fe->hwnd, fe->timer);
4e7ef6e6 938 fe->timer = 0;
939}
940
941void activate_timer(frontend *fe)
942{
821ab2c6 943 if (!fe)
944 return; /* for non-interactive midend */
8c1fd974 945 if (!fe->timer) {
946 fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL);
947 fe->timer_last_tickcount = GetTickCount();
948 }
4e7ef6e6 949}
950
1cdfcdbd 951void write_clip(HWND hwnd, char *data)
952{
953 HGLOBAL clipdata;
6d5cbf79 954 int len, i, j;
955 char *data2;
1cdfcdbd 956 void *lock;
957
6d5cbf79 958 /*
959 * Windows expects CRLF in the clipboard, so we must convert
960 * any \n that has come out of the puzzle backend.
961 */
962 len = 0;
963 for (i = 0; data[i]; i++) {
964 if (data[i] == '\n')
965 len++;
966 len++;
967 }
968 data2 = snewn(len+1, char);
969 j = 0;
970 for (i = 0; data[i]; i++) {
971 if (data[i] == '\n')
972 data2[j++] = '\r';
973 data2[j++] = data[i];
974 }
975 assert(j == len);
976 data2[j] = '\0';
977
1cdfcdbd 978 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
979 if (!clipdata)
980 return;
981 lock = GlobalLock(clipdata);
982 if (!lock)
983 return;
6d5cbf79 984 memcpy(lock, data2, len);
1cdfcdbd 985 ((unsigned char *) lock)[len] = 0;
986 GlobalUnlock(clipdata);
987
988 if (OpenClipboard(hwnd)) {
989 EmptyClipboard();
990 SetClipboardData(CF_TEXT, clipdata);
991 CloseClipboard();
992 } else
993 GlobalFree(clipdata);
6d5cbf79 994
995 sfree(data2);
1cdfcdbd 996}
997
e91825f8 998/*
750037d7 999 * Set up Help and see if we can find a help file.
e91825f8 1000 */
750037d7 1001static void init_help(void)
e91825f8 1002{
1003 char b[2048], *p, *q, *r;
1004 FILE *fp;
750037d7 1005
1006 /*
1007 * Find the executable file path, so we can look alongside
1008 * it for help files. Trim the filename off the end.
1009 */
1010 GetModuleFileName(NULL, b, sizeof(b) - 1);
1011 r = b;
1012 p = strrchr(b, '\\');
1013 if (p && p >= r) r = p+1;
1014 q = strrchr(b, ':');
1015 if (q && q >= r) r = q+1;
1016
291c690f 1017#ifndef NO_HTMLHELP
750037d7 1018 /*
1019 * Try HTML Help first.
1020 */
1021 strcpy(r, CHM_FILE_NAME);
1022 if ( (fp = fopen(b, "r")) != NULL) {
1023 fclose(fp);
1024
1025 /*
1026 * We have a .CHM. See if we can use it.
1027 */
1028 hh_dll = LoadLibrary("hhctrl.ocx");
1029 if (hh_dll) {
1030 htmlhelp = (htmlhelp_t)GetProcAddress(hh_dll, "HtmlHelpA");
1031 if (!htmlhelp)
1032 FreeLibrary(hh_dll);
1033 }
1034 if (htmlhelp) {
750037d7 1035 help_path = dupstr(b);
1036 help_type = CHM;
1037 help_topic = thegame.htmlhelp_topic;
1038 return;
1039 }
1040 }
291c690f 1041#endif /* NO_HTMLHELP */
750037d7 1042
1043 /*
1044 * Now try old-style .HLP.
1045 */
1046 strcpy(r, HELP_FILE_NAME);
1047 if ( (fp = fopen(b, "r")) != NULL) {
1048 fclose(fp);
1049
1050 help_path = dupstr(b);
1051 help_type = HLP;
1052
1053 help_topic = thegame.winhelp_topic;
1054
1055 /*
1056 * See if there's a .CNT file alongside it.
1057 */
1058 strcpy(r, HELP_CNT_NAME);
1059 if ( (fp = fopen(b, "r")) != NULL) {
1060 fclose(fp);
1061 help_has_contents = TRUE;
1062 } else
1063 help_has_contents = FALSE;
1064
1065 return;
1066 }
1067
1068 help_type = NONE; /* didn't find any */
1069}
1070
1071/*
1072 * Start Help.
1073 */
ed656ed4 1074static void start_help(frontend *fe, const char *topic)
750037d7 1075{
1076 char *str = NULL;
1077 int cmd;
1078
1079 switch (help_type) {
1080 case HLP:
1081 assert(help_path);
1082 if (topic) {
1083 str = snewn(10+strlen(topic), char);
1084 sprintf(str, "JI(`',`%s')", topic);
1085 cmd = HELP_COMMAND;
1086 } else if (help_has_contents) {
1087 cmd = HELP_FINDER;
1088 } else {
1089 cmd = HELP_CONTENTS;
1090 }
1091 WinHelp(fe->hwnd, help_path, cmd, (DWORD)str);
1092 fe->help_running = TRUE;
1093 break;
1094 case CHM:
291c690f 1095#ifndef NO_HTMLHELP
750037d7 1096 assert(help_path);
1097 assert(htmlhelp);
1098 if (topic) {
1099 str = snewn(20 + strlen(topic) + strlen(help_path), char);
1100 sprintf(str, "%s::/%s.html>main", help_path, topic);
1101 } else {
1102 str = dupstr(help_path);
1103 }
1104 htmlhelp(fe->hwnd, str, HH_DISPLAY_TOPIC, 0);
1105 fe->help_running = TRUE;
1106 break;
291c690f 1107#endif /* NO_HTMLHELP */
750037d7 1108 case NONE:
1109 assert(!"This shouldn't happen");
1110 break;
1111 }
1112
1113 sfree(str);
1114}
1115
1116/*
1117 * Stop Help on window cleanup.
1118 */
1119static void stop_help(frontend *fe)
1120{
1121 if (fe->help_running) {
1122 switch (help_type) {
1123 case HLP:
1124 WinHelp(fe->hwnd, help_path, HELP_QUIT, 0);
1125 break;
1126 case CHM:
291c690f 1127#ifndef NO_HTMLHELP
750037d7 1128 assert(htmlhelp);
1129 htmlhelp(NULL, NULL, HH_CLOSE_ALL, 0);
1130 break;
291c690f 1131#endif /* NO_HTMLHELP */
750037d7 1132 case NONE:
1133 assert(!"This shouldn't happen");
1134 break;
1135 }
1136 fe->help_running = FALSE;
1137 }
1138}
1139
1140/*
1141 * Terminate Help on process exit.
1142 */
1143static void cleanup_help(void)
1144{
39384997 1145 /* Nothing to do currently.
1146 * (If we were running HTML Help single-threaded, this is where we'd
1147 * call HH_UNINITIALIZE.) */
e91825f8 1148}
1149
1e3e152d 1150static void check_window_size(frontend *fe, int *px, int *py)
1151{
1152 RECT r;
1153 int x, y, sy;
1154
1155 if (fe->statusbar) {
1156 RECT sr;
1157 GetWindowRect(fe->statusbar, &sr);
1158 sy = sr.bottom - sr.top;
1159 } else {
1160 sy = 0;
1161 }
1162
1163 /*
1164 * See if we actually got the window size we wanted, and adjust
1165 * the puzzle size if not.
1166 */
1167 GetClientRect(fe->hwnd, &r);
1168 x = r.right - r.left;
1169 y = r.bottom - r.top - sy;
1170 midend_size(fe->me, &x, &y, FALSE);
1171 if (x != r.right - r.left || y != r.bottom - r.top) {
1172 /*
1173 * Resize the window, now we know what size we _really_
1174 * want it to be.
1175 */
1176 r.left = r.top = 0;
1177 r.right = x;
1178 r.bottom = y + sy;
35ee2001 1179 AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0);
1e3e152d 1180 SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left, r.bottom - r.top,
1181 SWP_NOMOVE | SWP_NOZORDER);
1182 }
1183
1184 if (fe->statusbar) {
1185 GetClientRect(fe->hwnd, &r);
1186 SetWindowPos(fe->statusbar, NULL, 0, r.bottom-r.top-sy, r.right-r.left,
1187 sy, SWP_NOZORDER);
1188 }
1189
1190 *px = x;
1191 *py = y;
1192}
1193
35ee2001 1194static void get_max_puzzle_size(frontend *fe, int *x, int *y)
1195{
1196 RECT r, sr;
1197
1198 if (SystemParametersInfo(SPI_GETWORKAREA, 0, &sr, FALSE)) {
1199 *x = sr.right - sr.left;
1200 *y = sr.bottom - sr.top;
1201 r.left = 100;
1202 r.right = 200;
1203 r.top = 100;
1204 r.bottom = 200;
1205 AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0);
1206 *x -= r.right - r.left - 100;
1207 *y -= r.bottom - r.top - 100;
1208 } else {
1209 *x = *y = INT_MAX;
1210 }
1211
1212 if (fe->statusbar != NULL) {
1213 GetWindowRect(fe->statusbar, &sr);
1214 *y -= sr.bottom - sr.top;
1215 }
1216}
1217
8b7938e7 1218static frontend *new_window(HINSTANCE inst, char *game_id, char **error)
4e7ef6e6 1219{
1220 frontend *fe;
1221 int x, y;
1e3e152d 1222 RECT r;
4e7ef6e6 1223
1224 fe = snew(frontend);
48d70ca9 1225
dafd6cf6 1226 fe->me = midend_new(fe, &thegame, &win_drawing, fe);
48d70ca9 1227
8b7938e7 1228 if (game_id) {
1185e3c5 1229 *error = midend_game_id(fe->me, game_id);
8b7938e7 1230 if (*error) {
1231 midend_free(fe->me);
1232 sfree(fe);
1233 return NULL;
1234 }
1235 }
1236
077f3cbe 1237 fe->inst = inst;
4e7ef6e6 1238
1239 fe->timer = 0;
986cc2de 1240 fe->hwnd = NULL;
1241
750037d7 1242 fe->help_running = FALSE;
1243
821ab2c6 1244 fe->drawstatus = NOTHING;
1245 fe->dr = NULL;
1246 fe->fontstart = 0;
1247
986cc2de 1248 midend_new_game(fe->me);
4e7ef6e6 1249
6beae131 1250 fe->fonts = NULL;
1251 fe->nfonts = fe->fontsize = 0;
1252
4e7ef6e6 1253 {
1254 int i, ncolours;
1255 float *colours;
1256
1257 colours = midend_colours(fe->me, &ncolours);
1258
1259 fe->colours = snewn(ncolours, COLORREF);
1260 fe->brushes = snewn(ncolours, HBRUSH);
1261 fe->pens = snewn(ncolours, HPEN);
1262
1263 for (i = 0; i < ncolours; i++) {
1264 fe->colours[i] = RGB(255 * colours[i*3+0],
1265 255 * colours[i*3+1],
1266 255 * colours[i*3+2]);
1267 fe->brushes[i] = CreateSolidBrush(fe->colours[i]);
4e7ef6e6 1268 fe->pens[i] = CreatePen(PS_SOLID, 1, fe->colours[i]);
1269 }
9cfc03b7 1270 sfree(colours);
4e7ef6e6 1271 }
1272
35ee2001 1273 if (midend_wants_statusbar(fe->me)) {
1274 fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, "ooh",
1275 WS_CHILD | WS_VISIBLE,
1276 0, 0, 0, 0, /* status bar does these */
1277 NULL, NULL, inst, NULL);
e490a96e 1278 } else
1279 fe->statusbar = NULL;
35ee2001 1280
1281 get_max_puzzle_size(fe, &x, &y);
1e3e152d 1282 midend_size(fe->me, &x, &y, FALSE);
1283
4e7ef6e6 1284 r.left = r.top = 0;
1285 r.right = x;
1286 r.bottom = y;
35ee2001 1287 AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0);
4e7ef6e6 1288
be8d5aa1 1289 fe->hwnd = CreateWindowEx(0, thegame.name, thegame.name,
4e7ef6e6 1290 WS_OVERLAPPEDWINDOW &~
1291 (WS_THICKFRAME | WS_MAXIMIZEBOX),
1292 CW_USEDEFAULT, CW_USEDEFAULT,
1293 r.right - r.left, r.bottom - r.top,
1294 NULL, NULL, inst, NULL);
1295
3fee7a57 1296 if (midend_wants_statusbar(fe->me)) {
1297 RECT sr;
35ee2001 1298 DestroyWindow(fe->statusbar);
1e3e152d 1299 fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, "ooh",
1300 WS_CHILD | WS_VISIBLE,
1301 0, 0, 0, 0, /* status bar does these */
1302 fe->hwnd, NULL, inst, NULL);
3fee7a57 1303 /*
1304 * Now resize the window to take account of the status bar.
1305 */
1306 GetWindowRect(fe->statusbar, &sr);
1307 GetWindowRect(fe->hwnd, &r);
1308 SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left,
1309 r.bottom - r.top + sr.bottom - sr.top,
1310 SWP_NOMOVE | SWP_NOZORDER);
1311 } else {
1e3e152d 1312 fe->statusbar = NULL;
3fee7a57 1313 }
1e3e152d 1314
eb2ad6f1 1315 {
1316 HMENU bar = CreateMenu();
1317 HMENU menu = CreateMenu();
1318
1319 AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)menu, "Game");
1320 AppendMenu(menu, MF_ENABLED, IDM_NEW, "New");
1321 AppendMenu(menu, MF_ENABLED, IDM_RESTART, "Restart");
1185e3c5 1322 AppendMenu(menu, MF_ENABLED, IDM_DESC, "Specific...");
1323 AppendMenu(menu, MF_ENABLED, IDM_SEED, "Random Seed...");
eb2ad6f1 1324
077f3cbe 1325 if ((fe->npresets = midend_num_presets(fe->me)) > 0 ||
be8d5aa1 1326 thegame.can_configure) {
eb2ad6f1 1327 HMENU sub = CreateMenu();
1328 int i;
1329
077f3cbe 1330 AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)sub, "Type");
eb2ad6f1 1331
1332 fe->presets = snewn(fe->npresets, game_params *);
1333
1334 for (i = 0; i < fe->npresets; i++) {
1335 char *name;
1336
1337 midend_fetch_preset(fe->me, i, &name, &fe->presets[i]);
1338
1339 /*
1340 * FIXME: we ought to go through and do something
1341 * with ampersands here.
1342 */
1343
1344 AppendMenu(sub, MF_ENABLED, IDM_PRESETS + 0x10 * i, name);
1345 }
077f3cbe 1346
be8d5aa1 1347 if (thegame.can_configure) {
077f3cbe 1348 AppendMenu(sub, MF_ENABLED, IDM_CONFIG, "Custom...");
1349 }
eb2ad6f1 1350 }
1351
1352 AppendMenu(menu, MF_SEPARATOR, 0, 0);
cccb7f09 1353 AppendMenu(menu, MF_ENABLED, IDM_LOAD, "Load...");
1354 AppendMenu(menu, MF_ENABLED, IDM_SAVE, "Save...");
668be019 1355 AppendMenu(menu, MF_SEPARATOR, 0, 0);
821ab2c6 1356 if (thegame.can_print) {
cccb7f09 1357 AppendMenu(menu, MF_ENABLED, IDM_PRINT, "Print...");
821ab2c6 1358 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1359 }
eb2ad6f1 1360 AppendMenu(menu, MF_ENABLED, IDM_UNDO, "Undo");
1361 AppendMenu(menu, MF_ENABLED, IDM_REDO, "Redo");
1cdfcdbd 1362 if (thegame.can_format_as_text) {
1363 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1364 AppendMenu(menu, MF_ENABLED, IDM_COPY, "Copy");
1365 }
2ac6d24e 1366 if (thegame.can_solve) {
1367 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1368 AppendMenu(menu, MF_ENABLED, IDM_SOLVE, "Solve");
1369 }
eb2ad6f1 1370 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1371 AppendMenu(menu, MF_ENABLED, IDM_QUIT, "Exit");
97098757 1372 menu = CreateMenu();
1373 AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)menu, "Help");
1374 AppendMenu(menu, MF_ENABLED, IDM_ABOUT, "About");
750037d7 1375 if (help_type != NONE) {
97098757 1376 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1377 AppendMenu(menu, MF_ENABLED, IDM_HELPC, "Contents");
750037d7 1378 if (help_topic) {
e91825f8 1379 char *item;
be8d5aa1 1380 assert(thegame.name);
1381 item = snewn(9+strlen(thegame.name), char); /*ick*/
1382 sprintf(item, "Help on %s", thegame.name);
97098757 1383 AppendMenu(menu, MF_ENABLED, IDM_GAMEHELP, item);
e91825f8 1384 sfree(item);
1385 }
1386 }
eb2ad6f1 1387 SetMenu(fe->hwnd, bar);
1388 }
1389
e490a96e 1390 fe->bitmap = NULL;
1391 new_game_size(fe); /* initialises fe->bitmap */
1e3e152d 1392 check_window_size(fe, &x, &y);
fd1a1a2b 1393
4e7ef6e6 1394 SetWindowLong(fe->hwnd, GWL_USERDATA, (LONG)fe);
1395
1396 ShowWindow(fe->hwnd, SW_NORMAL);
1397 SetForegroundWindow(fe->hwnd);
1398
1399 midend_redraw(fe->me);
1400
1401 return fe;
1402}
1403
97098757 1404static int CALLBACK AboutDlgProc(HWND hwnd, UINT msg,
1405 WPARAM wParam, LPARAM lParam)
1406{
1407 frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA);
1408
1409 switch (msg) {
1410 case WM_INITDIALOG:
1411 return 0;
1412
1413 case WM_COMMAND:
1414 if ((HIWORD(wParam) == BN_CLICKED ||
1415 HIWORD(wParam) == BN_DOUBLECLICKED) &&
1416 LOWORD(wParam) == IDOK)
1417 fe->dlg_done = 1;
1418 return 0;
1419
1420 case WM_CLOSE:
1421 fe->dlg_done = 1;
1422 return 0;
1423 }
1424
1425 return 0;
1426}
1427
821ab2c6 1428/*
1429 * Wrappers on midend_{get,set}_config, which extend the CFG_*
1430 * enumeration to add CFG_PRINT.
1431 */
1432static config_item *frontend_get_config(frontend *fe, int which,
1433 char **wintitle)
1434{
1435 if (which < CFG_FRONTEND_SPECIFIC) {
1436 return midend_get_config(fe->me, which, wintitle);
1437 } else if (which == CFG_PRINT) {
1438 config_item *ret;
1439 int i;
1440
1441 *wintitle = snewn(40 + strlen(thegame.name), char);
1442 sprintf(*wintitle, "%s print setup", thegame.name);
1443
1444 ret = snewn(8, config_item);
1445
1446 i = 0;
1447
1448 ret[i].name = "Number of puzzles to print";
1449 ret[i].type = C_STRING;
1450 ret[i].sval = dupstr("1");
1451 ret[i].ival = 0;
1452 i++;
1453
1454 ret[i].name = "Number of puzzles across the page";
1455 ret[i].type = C_STRING;
1456 ret[i].sval = dupstr("1");
1457 ret[i].ival = 0;
1458 i++;
1459
1460 ret[i].name = "Number of puzzles down the page";
1461 ret[i].type = C_STRING;
1462 ret[i].sval = dupstr("1");
1463 ret[i].ival = 0;
1464 i++;
1465
1466 ret[i].name = "Percentage of standard size";
1467 ret[i].type = C_STRING;
1468 ret[i].sval = dupstr("100.0");
1469 ret[i].ival = 0;
1470 i++;
1471
1472 ret[i].name = "Include currently shown puzzle";
1473 ret[i].type = C_BOOLEAN;
1474 ret[i].sval = NULL;
1475 ret[i].ival = TRUE;
1476 i++;
1477
1478 ret[i].name = "Print solutions";
1479 ret[i].type = C_BOOLEAN;
1480 ret[i].sval = NULL;
1481 ret[i].ival = FALSE;
1482 i++;
1483
1484 if (thegame.can_print_in_colour) {
1485 ret[i].name = "Print in colour";
1486 ret[i].type = C_BOOLEAN;
1487 ret[i].sval = NULL;
1488 ret[i].ival = FALSE;
1489 i++;
1490 }
1491
1492 ret[i].name = NULL;
1493 ret[i].type = C_END;
1494 ret[i].sval = NULL;
1495 ret[i].ival = 0;
1496 i++;
1497
1498 return ret;
1499 } else {
1500 assert(!"We should never get here");
1501 return NULL;
1502 }
1503}
1504
1505static char *frontend_set_config(frontend *fe, int which, config_item *cfg)
1506{
1507 if (which < CFG_FRONTEND_SPECIFIC) {
1508 return midend_set_config(fe->me, which, cfg);
1509 } else if (which == CFG_PRINT) {
1510 if ((fe->printcount = atoi(cfg[0].sval)) <= 0)
1511 return "Number of puzzles to print should be at least one";
1512 if ((fe->printw = atoi(cfg[1].sval)) <= 0)
1513 return "Number of puzzles across the page should be at least one";
1514 if ((fe->printh = atoi(cfg[2].sval)) <= 0)
1515 return "Number of puzzles down the page should be at least one";
1516 if ((fe->printscale = (float)atof(cfg[3].sval)) <= 0)
1517 return "Print size should be positive";
1518 fe->printcurr = cfg[4].ival;
1519 fe->printsolns = cfg[5].ival;
1520 fe->printcolour = thegame.can_print_in_colour && cfg[6].ival;
1521 return NULL;
1522 } else {
1523 assert(!"We should never get here");
1524 return "Internal error";
1525 }
1526}
1527
077f3cbe 1528static int CALLBACK ConfigDlgProc(HWND hwnd, UINT msg,
1529 WPARAM wParam, LPARAM lParam)
1530{
1531 frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA);
1532 config_item *i;
1533 struct cfg_aux *j;
1534
1535 switch (msg) {
1536 case WM_INITDIALOG:
1537 return 0;
1538
1539 case WM_COMMAND:
1540 /*
1541 * OK and Cancel are special cases.
1542 */
1543 if ((HIWORD(wParam) == BN_CLICKED ||
1544 HIWORD(wParam) == BN_DOUBLECLICKED) &&
1545 (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)) {
1546 if (LOWORD(wParam) == IDOK) {
821ab2c6 1547 char *err = frontend_set_config(fe, fe->cfg_which, fe->cfg);
077f3cbe 1548
1549 if (err) {
1550 MessageBox(hwnd, err, "Validation error",
1551 MB_ICONERROR | MB_OK);
1552 } else {
97098757 1553 fe->dlg_done = 2;
077f3cbe 1554 }
1555 } else {
97098757 1556 fe->dlg_done = 1;
077f3cbe 1557 }
1558 return 0;
1559 }
1560
1561 /*
1562 * First find the control whose id this is.
1563 */
1564 for (i = fe->cfg, j = fe->cfgaux; i->type != C_END; i++, j++) {
1565 if (j->ctlid == LOWORD(wParam))
1566 break;
1567 }
1568 if (i->type == C_END)
1569 return 0; /* not our problem */
1570
1571 if (i->type == C_STRING && HIWORD(wParam) == EN_CHANGE) {
1572 char buffer[4096];
1573 GetDlgItemText(fe->cfgbox, j->ctlid, buffer, lenof(buffer));
1574 buffer[lenof(buffer)-1] = '\0';
1575 sfree(i->sval);
1576 i->sval = dupstr(buffer);
1577 } else if (i->type == C_BOOLEAN &&
1578 (HIWORD(wParam) == BN_CLICKED ||
1579 HIWORD(wParam) == BN_DOUBLECLICKED)) {
1580 i->ival = IsDlgButtonChecked(fe->cfgbox, j->ctlid);
1581 } else if (i->type == C_CHOICES &&
1582 HIWORD(wParam) == CBN_SELCHANGE) {
1583 i->ival = SendDlgItemMessage(fe->cfgbox, j->ctlid,
1584 CB_GETCURSEL, 0, 0);
1585 }
1586
1587 return 0;
1588
1589 case WM_CLOSE:
97098757 1590 fe->dlg_done = 1;
077f3cbe 1591 return 0;
1592 }
1593
1594 return 0;
1595}
1596
1597HWND mkctrl(frontend *fe, int x1, int x2, int y1, int y2,
1598 char *wclass, int wstyle,
97098757 1599 int exstyle, const char *wtext, int wid)
077f3cbe 1600{
1601 HWND ret;
1602 ret = CreateWindowEx(exstyle, wclass, wtext,
1603 wstyle | WS_CHILD | WS_VISIBLE, x1, y1, x2-x1, y2-y1,
1604 fe->cfgbox, (HMENU) wid, fe->inst, NULL);
1605 SendMessage(ret, WM_SETFONT, (WPARAM)fe->cfgfont, MAKELPARAM(TRUE, 0));
1606 return ret;
1607}
1608
97098757 1609static void about(frontend *fe)
1610{
1611 int i;
1612 WNDCLASS wc;
1613 MSG msg;
1614 TEXTMETRIC tm;
1615 HDC hdc;
1616 HFONT oldfont;
1617 SIZE size;
1618 int gm, id;
1619 int winwidth, winheight, y;
1620 int height, width, maxwid;
1621 const char *strings[16];
1622 int lengths[16];
1623 int nstrings = 0;
1624 char titlebuf[512];
1625
1626 sprintf(titlebuf, "About %.250s", thegame.name);
1627
1628 strings[nstrings++] = thegame.name;
1629 strings[nstrings++] = "from Simon Tatham's Portable Puzzle Collection";
1630 strings[nstrings++] = ver;
1631
1632 wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW;
1633 wc.lpfnWndProc = DefDlgProc;
1634 wc.cbClsExtra = 0;
1635 wc.cbWndExtra = DLGWINDOWEXTRA + 8;
1636 wc.hInstance = fe->inst;
1637 wc.hIcon = NULL;
1638 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
1639 wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1);
1640 wc.lpszMenuName = NULL;
1641 wc.lpszClassName = "GameAboutBox";
1642 RegisterClass(&wc);
1643
1644 hdc = GetDC(fe->hwnd);
1645 SetMapMode(hdc, MM_TEXT);
1646
1647 fe->dlg_done = FALSE;
1648
1649 fe->cfgfont = CreateFont(-MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72),
1650 0, 0, 0, 0,
1651 FALSE, FALSE, FALSE, DEFAULT_CHARSET,
1652 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
1653 DEFAULT_QUALITY,
1654 FF_SWISS,
1655 "MS Shell Dlg");
1656
1657 oldfont = SelectObject(hdc, fe->cfgfont);
1658 if (GetTextMetrics(hdc, &tm)) {
1659 height = tm.tmAscent + tm.tmDescent;
1660 width = tm.tmAveCharWidth;
1661 } else {
1662 height = width = 30;
1663 }
1664
1665 /*
1666 * Figure out the layout of the About box by measuring the
1667 * length of each piece of text.
1668 */
1669 maxwid = 0;
1670 winheight = height/2;
1671
1672 for (i = 0; i < nstrings; i++) {
1673 if (GetTextExtentPoint32(hdc, strings[i], strlen(strings[i]), &size))
1674 lengths[i] = size.cx;
1675 else
1676 lengths[i] = 0; /* *shrug* */
1677 if (maxwid < lengths[i])
1678 maxwid = lengths[i];
1679 winheight += height * 3 / 2 + (height / 2);
1680 }
1681
1682 winheight += height + height * 7 / 4; /* OK button */
1683 winwidth = maxwid + 4*width;
1684
1685 SelectObject(hdc, oldfont);
1686 ReleaseDC(fe->hwnd, hdc);
1687
1688 /*
1689 * Create the dialog, now that we know its size.
1690 */
1691 {
1692 RECT r, r2;
1693
1694 r.left = r.top = 0;
1695 r.right = winwidth;
1696 r.bottom = winheight;
1697
1698 AdjustWindowRectEx(&r, (WS_OVERLAPPEDWINDOW /*|
1699 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
1700 WS_CAPTION | WS_SYSMENU*/) &~
1701 (WS_MAXIMIZEBOX | WS_OVERLAPPED),
1702 FALSE, 0);
1703
1704 /*
1705 * Centre the dialog on its parent window.
1706 */
1707 r.right -= r.left;
1708 r.bottom -= r.top;
1709 GetWindowRect(fe->hwnd, &r2);
1710 r.left = (r2.left + r2.right - r.right) / 2;
1711 r.top = (r2.top + r2.bottom - r.bottom) / 2;
1712 r.right += r.left;
1713 r.bottom += r.top;
1714
1715 fe->cfgbox = CreateWindowEx(0, wc.lpszClassName, titlebuf,
1716 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
1717 WS_CAPTION | WS_SYSMENU,
1718 r.left, r.top,
1719 r.right-r.left, r.bottom-r.top,
1720 fe->hwnd, NULL, fe->inst, NULL);
1721 }
1722
1723 SendMessage(fe->cfgbox, WM_SETFONT, (WPARAM)fe->cfgfont, FALSE);
1724
1725 SetWindowLong(fe->cfgbox, GWL_USERDATA, (LONG)fe);
1726 SetWindowLong(fe->cfgbox, DWL_DLGPROC, (LONG)AboutDlgProc);
1727
1728 id = 1000;
1729 y = height/2;
1730 for (i = 0; i < nstrings; i++) {
1731 int border = width*2 + (maxwid - lengths[i]) / 2;
1732 mkctrl(fe, border, border+lengths[i], y+height*1/8, y+height*9/8,
1733 "Static", 0, 0, strings[i], id++);
1734 y += height*3/2;
1735
1736 assert(y < winheight);
1737 y += height/2;
1738 }
1739
1740 y += height/2; /* extra space before OK */
1741 mkctrl(fe, width*2, maxwid+width*2, y, y+height*7/4, "BUTTON",
1742 BS_PUSHBUTTON | BS_NOTIFY | WS_TABSTOP | BS_DEFPUSHBUTTON, 0,
1743 "OK", IDOK);
1744
1745 SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0);
1746
1747 EnableWindow(fe->hwnd, FALSE);
1748 ShowWindow(fe->cfgbox, SW_NORMAL);
1749 while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) {
1750 if (!IsDialogMessage(fe->cfgbox, &msg))
1751 DispatchMessage(&msg);
1752 if (fe->dlg_done)
1753 break;
1754 }
1755 EnableWindow(fe->hwnd, TRUE);
1756 SetForegroundWindow(fe->hwnd);
1757 DestroyWindow(fe->cfgbox);
1758 DeleteObject(fe->cfgfont);
1759}
1760
5928817c 1761static int get_config(frontend *fe, int which)
077f3cbe 1762{
1763 config_item *i;
1764 struct cfg_aux *j;
5928817c 1765 char *title;
077f3cbe 1766 WNDCLASS wc;
1767 MSG msg;
1768 TEXTMETRIC tm;
1769 HDC hdc;
1770 HFONT oldfont;
1771 SIZE size;
1772 HWND ctl;
1773 int gm, id, nctrls;
1774 int winwidth, winheight, col1l, col1r, col2l, col2r, y;
1775 int height, width, maxlabel, maxcheckbox;
1776
1777 wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW;
1778 wc.lpfnWndProc = DefDlgProc;
1779 wc.cbClsExtra = 0;
1780 wc.cbWndExtra = DLGWINDOWEXTRA + 8;
1781 wc.hInstance = fe->inst;
1782 wc.hIcon = NULL;
1783 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
1784 wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1);
1785 wc.lpszMenuName = NULL;
1786 wc.lpszClassName = "GameConfigBox";
1787 RegisterClass(&wc);
1788
1789 hdc = GetDC(fe->hwnd);
1790 SetMapMode(hdc, MM_TEXT);
1791
97098757 1792 fe->dlg_done = FALSE;
077f3cbe 1793
1794 fe->cfgfont = CreateFont(-MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72),
1795 0, 0, 0, 0,
1796 FALSE, FALSE, FALSE, DEFAULT_CHARSET,
1797 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
1798 DEFAULT_QUALITY,
1799 FF_SWISS,
1800 "MS Shell Dlg");
1801
1802 oldfont = SelectObject(hdc, fe->cfgfont);
1803 if (GetTextMetrics(hdc, &tm)) {
1804 height = tm.tmAscent + tm.tmDescent;
1805 width = tm.tmAveCharWidth;
1806 } else {
1807 height = width = 30;
1808 }
1809
821ab2c6 1810 fe->cfg = frontend_get_config(fe, which, &title);
5928817c 1811 fe->cfg_which = which;
077f3cbe 1812
1813 /*
1814 * Figure out the layout of the config box by measuring the
1815 * length of each piece of text.
1816 */
1817 maxlabel = maxcheckbox = 0;
1818 winheight = height/2;
1819
1820 for (i = fe->cfg; i->type != C_END; i++) {
1821 switch (i->type) {
1822 case C_STRING:
1823 case C_CHOICES:
1824 /*
1825 * Both these control types have a label filling only
1826 * the left-hand column of the box.
1827 */
1828 if (GetTextExtentPoint32(hdc, i->name, strlen(i->name), &size) &&
1829 maxlabel < size.cx)
1830 maxlabel = size.cx;
1831 winheight += height * 3 / 2 + (height / 2);
1832 break;
1833
1834 case C_BOOLEAN:
1835 /*
1836 * Checkboxes take up the whole of the box width.
1837 */
1838 if (GetTextExtentPoint32(hdc, i->name, strlen(i->name), &size) &&
1839 maxcheckbox < size.cx)
1840 maxcheckbox = size.cx;
1841 winheight += height + (height / 2);
1842 break;
1843 }
1844 }
1845
1846 winheight += height + height * 7 / 4; /* OK / Cancel buttons */
1847
1848 col1l = 2*width;
1849 col1r = col1l + maxlabel;
1850 col2l = col1r + 2*width;
1851 col2r = col2l + 30*width;
1852 if (col2r < col1l+2*height+maxcheckbox)
1853 col2r = col1l+2*height+maxcheckbox;
1854 winwidth = col2r + 2*width;
1855
97098757 1856 SelectObject(hdc, oldfont);
077f3cbe 1857 ReleaseDC(fe->hwnd, hdc);
1858
1859 /*
1860 * Create the dialog, now that we know its size.
1861 */
1862 {
1863 RECT r, r2;
1864
1865 r.left = r.top = 0;
1866 r.right = winwidth;
1867 r.bottom = winheight;
1868
1869 AdjustWindowRectEx(&r, (WS_OVERLAPPEDWINDOW /*|
1870 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
1871 WS_CAPTION | WS_SYSMENU*/) &~
1872 (WS_MAXIMIZEBOX | WS_OVERLAPPED),
1873 FALSE, 0);
1874
1875 /*
1876 * Centre the dialog on its parent window.
1877 */
1878 r.right -= r.left;
1879 r.bottom -= r.top;
1880 GetWindowRect(fe->hwnd, &r2);
1881 r.left = (r2.left + r2.right - r.right) / 2;
1882 r.top = (r2.top + r2.bottom - r.bottom) / 2;
1883 r.right += r.left;
1884 r.bottom += r.top;
1885
5928817c 1886 fe->cfgbox = CreateWindowEx(0, wc.lpszClassName, title,
077f3cbe 1887 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
1888 WS_CAPTION | WS_SYSMENU,
1889 r.left, r.top,
1890 r.right-r.left, r.bottom-r.top,
1891 fe->hwnd, NULL, fe->inst, NULL);
5928817c 1892 sfree(title);
077f3cbe 1893 }
1894
1895 SendMessage(fe->cfgbox, WM_SETFONT, (WPARAM)fe->cfgfont, FALSE);
1896
1897 SetWindowLong(fe->cfgbox, GWL_USERDATA, (LONG)fe);
1898 SetWindowLong(fe->cfgbox, DWL_DLGPROC, (LONG)ConfigDlgProc);
1899
1900 /*
1901 * Count the controls so we can allocate cfgaux.
1902 */
1903 for (nctrls = 0, i = fe->cfg; i->type != C_END; i++)
1904 nctrls++;
1905 fe->cfgaux = snewn(nctrls, struct cfg_aux);
1906
1907 id = 1000;
1908 y = height/2;
1909 for (i = fe->cfg, j = fe->cfgaux; i->type != C_END; i++, j++) {
1910 switch (i->type) {
1911 case C_STRING:
1912 /*
1913 * Edit box with a label beside it.
1914 */
1915 mkctrl(fe, col1l, col1r, y+height*1/8, y+height*9/8,
1916 "Static", 0, 0, i->name, id++);
1917 ctl = mkctrl(fe, col2l, col2r, y, y+height*3/2,
1918 "EDIT", WS_TABSTOP | ES_AUTOHSCROLL,
1919 WS_EX_CLIENTEDGE, "", (j->ctlid = id++));
1920 SetWindowText(ctl, i->sval);
1921 y += height*3/2;
1922 break;
1923
1924 case C_BOOLEAN:
1925 /*
1926 * Simple checkbox.
1927 */
1928 mkctrl(fe, col1l, col2r, y, y+height, "BUTTON",
1929 BS_NOTIFY | BS_AUTOCHECKBOX | WS_TABSTOP,
1930 0, i->name, (j->ctlid = id++));
42132f2d 1931 CheckDlgButton(fe->cfgbox, j->ctlid, (i->ival != 0));
077f3cbe 1932 y += height;
1933 break;
1934
1935 case C_CHOICES:
1936 /*
1937 * Drop-down list with a label beside it.
1938 */
1939 mkctrl(fe, col1l, col1r, y+height*1/8, y+height*9/8,
1940 "STATIC", 0, 0, i->name, id++);
1941 ctl = mkctrl(fe, col2l, col2r, y, y+height*41/2,
1942 "COMBOBOX", WS_TABSTOP |
1943 CBS_DROPDOWNLIST | CBS_HASSTRINGS,
1944 WS_EX_CLIENTEDGE, "", (j->ctlid = id++));
1945 {
1946 char c, *p, *q, *str;
1947
1948 SendMessage(ctl, CB_RESETCONTENT, 0, 0);
1949 p = i->sval;
1950 c = *p++;
1951 while (*p) {
1952 q = p;
1953 while (*q && *q != c) q++;
1954 str = snewn(q-p+1, char);
1955 strncpy(str, p, q-p);
1956 str[q-p] = '\0';
1957 SendMessage(ctl, CB_ADDSTRING, 0, (LPARAM)str);
1958 sfree(str);
1959 if (*q) q++;
1960 p = q;
1961 }
1962 }
1963
1964 SendMessage(ctl, CB_SETCURSEL, i->ival, 0);
1965
1966 y += height*3/2;
1967 break;
1968 }
1969
1970 assert(y < winheight);
1971 y += height/2;
1972 }
1973
1974 y += height/2; /* extra space before OK and Cancel */
1975 mkctrl(fe, col1l, (col1l+col2r)/2-width, y, y+height*7/4, "BUTTON",
1976 BS_PUSHBUTTON | BS_NOTIFY | WS_TABSTOP | BS_DEFPUSHBUTTON, 0,
1977 "OK", IDOK);
1978 mkctrl(fe, (col1l+col2r)/2+width, col2r, y, y+height*7/4, "BUTTON",
1979 BS_PUSHBUTTON | BS_NOTIFY | WS_TABSTOP, 0, "Cancel", IDCANCEL);
1980
1981 SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0);
1982
1983 EnableWindow(fe->hwnd, FALSE);
1984 ShowWindow(fe->cfgbox, SW_NORMAL);
1985 while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) {
1986 if (!IsDialogMessage(fe->cfgbox, &msg))
1987 DispatchMessage(&msg);
97098757 1988 if (fe->dlg_done)
077f3cbe 1989 break;
1990 }
1991 EnableWindow(fe->hwnd, TRUE);
1992 SetForegroundWindow(fe->hwnd);
1993 DestroyWindow(fe->cfgbox);
1994 DeleteObject(fe->cfgfont);
1995
1996 free_cfg(fe->cfg);
1997 sfree(fe->cfgaux);
1998
97098757 1999 return (fe->dlg_done == 2);
077f3cbe 2000}
2001
668be019 2002static void new_game_size(frontend *fe)
077f3cbe 2003{
2004 RECT r, sr;
2005 HDC hdc;
2006 int x, y;
2007
35ee2001 2008 get_max_puzzle_size(fe, &x, &y);
1e3e152d 2009 midend_size(fe->me, &x, &y, FALSE);
077f3cbe 2010
2011 r.left = r.top = 0;
2012 r.right = x;
2013 r.bottom = y;
35ee2001 2014 AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0);
077f3cbe 2015
2016 if (fe->statusbar != NULL) {
2017 GetWindowRect(fe->statusbar, &sr);
2018 } else {
2019 sr.left = sr.right = sr.top = sr.bottom = 0;
2020 }
2021 SetWindowPos(fe->hwnd, NULL, 0, 0,
2022 r.right - r.left,
2023 r.bottom - r.top + sr.bottom - sr.top,
2024 SWP_NOMOVE | SWP_NOZORDER);
1e3e152d 2025
2026 check_window_size(fe, &x, &y);
2027
077f3cbe 2028 if (fe->statusbar != NULL)
2029 SetWindowPos(fe->statusbar, NULL, 0, y, x,
2030 sr.bottom - sr.top, SWP_NOZORDER);
2031
e490a96e 2032 if (fe->bitmap) DeleteObject(fe->bitmap);
077f3cbe 2033
2034 hdc = GetDC(fe->hwnd);
2035 fe->bitmap = CreateCompatibleBitmap(hdc, x, y);
2036 ReleaseDC(fe->hwnd, hdc);
2037
2038 midend_redraw(fe->me);
2039}
2040
668be019 2041static void new_game_type(frontend *fe)
2042{
2043 midend_new_game(fe->me);
2044 new_game_size(fe);
2045}
2046
97c2790f 2047static int is_alt_pressed(void)
2048{
2049 BYTE keystate[256];
2050 int r = GetKeyboardState(keystate);
2051 if (!r)
2052 return FALSE;
2053 if (keystate[VK_MENU] & 0x80)
2054 return TRUE;
2055 if (keystate[VK_RMENU] & 0x80)
2056 return TRUE;
2057 return FALSE;
2058}
2059
668be019 2060static void savefile_write(void *wctx, void *buf, int len)
2061{
2062 FILE *fp = (FILE *)wctx;
2063 fwrite(buf, 1, len, fp);
2064}
2065
2066static int savefile_read(void *wctx, void *buf, int len)
2067{
2068 FILE *fp = (FILE *)wctx;
2069 int ret;
2070
2071 ret = fread(buf, 1, len, fp);
2072 return (ret == len);
2073}
2074
4e7ef6e6 2075static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
2076 WPARAM wParam, LPARAM lParam)
2077{
2078 frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA);
668be019 2079 int cmd;
4e7ef6e6 2080
2081 switch (message) {
2082 case WM_CLOSE:
2083 DestroyWindow(hwnd);
2084 return 0;
eb2ad6f1 2085 case WM_COMMAND:
668be019 2086 cmd = wParam & ~0xF; /* low 4 bits reserved to Windows */
2087 switch (cmd) {
eb2ad6f1 2088 case IDM_NEW:
2089 if (!midend_process_key(fe->me, 0, 0, 'n'))
2090 PostQuitMessage(0);
2091 break;
2092 case IDM_RESTART:
7f89707c 2093 midend_restart_game(fe->me);
eb2ad6f1 2094 break;
2095 case IDM_UNDO:
2096 if (!midend_process_key(fe->me, 0, 0, 'u'))
2097 PostQuitMessage(0);
2098 break;
2099 case IDM_REDO:
2100 if (!midend_process_key(fe->me, 0, 0, '\x12'))
2101 PostQuitMessage(0);
2102 break;
1cdfcdbd 2103 case IDM_COPY:
2104 {
2105 char *text = midend_text_format(fe->me);
2106 if (text)
2107 write_clip(hwnd, text);
2108 else
2109 MessageBeep(MB_ICONWARNING);
6d5cbf79 2110 sfree(text);
1cdfcdbd 2111 }
2112 break;
2ac6d24e 2113 case IDM_SOLVE:
2114 {
2115 char *msg = midend_solve(fe->me);
2116 if (msg)
2117 MessageBox(hwnd, msg, "Unable to solve",
2118 MB_ICONERROR | MB_OK);
2119 }
2120 break;
eb2ad6f1 2121 case IDM_QUIT:
2122 if (!midend_process_key(fe->me, 0, 0, 'q'))
2123 PostQuitMessage(0);
2124 break;
077f3cbe 2125 case IDM_CONFIG:
5928817c 2126 if (get_config(fe, CFG_SETTINGS))
2127 new_game_type(fe);
2128 break;
2129 case IDM_SEED:
2130 if (get_config(fe, CFG_SEED))
077f3cbe 2131 new_game_type(fe);
2132 break;
1185e3c5 2133 case IDM_DESC:
2134 if (get_config(fe, CFG_DESC))
2135 new_game_type(fe);
2136 break;
821ab2c6 2137 case IDM_PRINT:
2138 if (get_config(fe, CFG_PRINT))
2139 print(fe);
2140 break;
97098757 2141 case IDM_ABOUT:
2142 about(fe);
2143 break;
668be019 2144 case IDM_LOAD:
2145 case IDM_SAVE:
2146 {
2147 OPENFILENAME of;
2148 char filename[FILENAME_MAX];
2149 int ret;
2150
2151 memset(&of, 0, sizeof(of));
2152 of.hwndOwner = hwnd;
2153 of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
2154 of.lpstrCustomFilter = NULL;
2155 of.nFilterIndex = 1;
2156 of.lpstrFile = filename;
2157 filename[0] = '\0';
2158 of.nMaxFile = lenof(filename);
2159 of.lpstrFileTitle = NULL;
2160 of.lpstrTitle = (cmd == IDM_SAVE ?
2161 "Enter name of game file to save" :
2162 "Enter name of saved game file to load");
2163 of.Flags = 0;
2164#ifdef OPENFILENAME_SIZE_VERSION_400
2165 of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
2166#else
2167 of.lStructSize = sizeof(of);
2168#endif
2169 of.lpstrInitialDir = NULL;
2170
2171 if (cmd == IDM_SAVE)
2172 ret = GetSaveFileName(&of);
2173 else
2174 ret = GetOpenFileName(&of);
2175
2176 if (ret) {
2177 if (cmd == IDM_SAVE) {
2178 FILE *fp;
2179
2180 if ((fp = fopen(filename, "r")) != NULL) {
2181 char buf[256 + FILENAME_MAX];
2182 fclose(fp);
2183 /* file exists */
2184
2185 sprintf(buf, "Are you sure you want to overwrite"
2186 " the file \"%.*s\"?",
2187 FILENAME_MAX, filename);
2188 if (MessageBox(hwnd, buf, "Question",
2189 MB_YESNO | MB_ICONQUESTION)
2190 != IDYES)
2191 break;
2192 }
2193
2194 fp = fopen(filename, "w");
2195
2196 if (!fp) {
2197 MessageBox(hwnd, "Unable to open save file",
2198 "Error", MB_ICONERROR | MB_OK);
2199 break;
2200 }
2201
2202 midend_serialise(fe->me, savefile_write, fp);
2203
2204 fclose(fp);
2205 } else {
2206 FILE *fp = fopen(filename, "r");
2207 char *err;
2208
2209 if (!fp) {
2210 MessageBox(hwnd, "Unable to open saved game file",
2211 "Error", MB_ICONERROR | MB_OK);
2212 break;
2213 }
2214
2215 err = midend_deserialise(fe->me, savefile_read, fp);
2216
2217 fclose(fp);
2218
2219 if (err) {
2220 MessageBox(hwnd, err, "Error", MB_ICONERROR|MB_OK);
2221 break;
2222 }
2223
2224 new_game_size(fe);
2225 }
2226 }
2227 }
2228
2229 break;
e91825f8 2230 case IDM_HELPC:
750037d7 2231 start_help(fe, NULL);
2232 break;
e91825f8 2233 case IDM_GAMEHELP:
750037d7 2234 start_help(fe, help_topic);
e91825f8 2235 break;
eb2ad6f1 2236 default:
2237 {
2238 int p = ((wParam &~ 0xF) - IDM_PRESETS) / 0x10;
2239
2240 if (p >= 0 && p < fe->npresets) {
eb2ad6f1 2241 midend_set_params(fe->me, fe->presets[p]);
077f3cbe 2242 new_game_type(fe);
eb2ad6f1 2243 }
2244 }
2245 break;
2246 }
2247 break;
4e7ef6e6 2248 case WM_DESTROY:
750037d7 2249 stop_help(fe);
4e7ef6e6 2250 PostQuitMessage(0);
2251 return 0;
2252 case WM_PAINT:
2253 {
2254 PAINTSTRUCT p;
2255 HDC hdc, hdc2;
2256 HBITMAP prevbm;
2257
2258 hdc = BeginPaint(hwnd, &p);
2259 hdc2 = CreateCompatibleDC(hdc);
2260 prevbm = SelectObject(hdc2, fe->bitmap);
2261 BitBlt(hdc,
2262 p.rcPaint.left, p.rcPaint.top,
2263 p.rcPaint.right - p.rcPaint.left,
2264 p.rcPaint.bottom - p.rcPaint.top,
2265 hdc2,
2266 p.rcPaint.left, p.rcPaint.top,
2267 SRCCOPY);
2268 SelectObject(hdc2, prevbm);
2269 DeleteDC(hdc2);
2270 EndPaint(hwnd, &p);
2271 }
2272 return 0;
2273 case WM_KEYDOWN:
2274 {
2275 int key = -1;
f0ee053c 2276 BYTE keystate[256];
2277 int r = GetKeyboardState(keystate);
2278 int shift = (r && (keystate[VK_SHIFT] & 0x80)) ? MOD_SHFT : 0;
2279 int ctrl = (r && (keystate[VK_CONTROL] & 0x80)) ? MOD_CTRL : 0;
4e7ef6e6 2280
2281 switch (wParam) {
3c833d45 2282 case VK_LEFT:
2283 if (!(lParam & 0x01000000))
2284 key = MOD_NUM_KEYPAD | '4';
f0ee053c 2285 else
2286 key = shift | ctrl | CURSOR_LEFT;
3c833d45 2287 break;
2288 case VK_RIGHT:
2289 if (!(lParam & 0x01000000))
2290 key = MOD_NUM_KEYPAD | '6';
f0ee053c 2291 else
2292 key = shift | ctrl | CURSOR_RIGHT;
3c833d45 2293 break;
2294 case VK_UP:
2295 if (!(lParam & 0x01000000))
2296 key = MOD_NUM_KEYPAD | '8';
f0ee053c 2297 else
2298 key = shift | ctrl | CURSOR_UP;
3c833d45 2299 break;
2300 case VK_DOWN:
2301 if (!(lParam & 0x01000000))
2302 key = MOD_NUM_KEYPAD | '2';
f0ee053c 2303 else
2304 key = shift | ctrl | CURSOR_DOWN;
3c833d45 2305 break;
c71454c0 2306 /*
2307 * Diagonal keys on the numeric keypad.
2308 */
2309 case VK_PRIOR:
3c833d45 2310 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '9';
c71454c0 2311 break;
2312 case VK_NEXT:
3c833d45 2313 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '3';
c71454c0 2314 break;
2315 case VK_HOME:
3c833d45 2316 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '7';
c71454c0 2317 break;
2318 case VK_END:
3c833d45 2319 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '1';
2320 break;
2321 case VK_INSERT:
2322 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '0';
2323 break;
2324 case VK_CLEAR:
2325 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '5';
c71454c0 2326 break;
2327 /*
2328 * Numeric keypad keys with Num Lock on.
2329 */
3c833d45 2330 case VK_NUMPAD4: key = MOD_NUM_KEYPAD | '4'; break;
2331 case VK_NUMPAD6: key = MOD_NUM_KEYPAD | '6'; break;
2332 case VK_NUMPAD8: key = MOD_NUM_KEYPAD | '8'; break;
2333 case VK_NUMPAD2: key = MOD_NUM_KEYPAD | '2'; break;
2334 case VK_NUMPAD5: key = MOD_NUM_KEYPAD | '5'; break;
2335 case VK_NUMPAD9: key = MOD_NUM_KEYPAD | '9'; break;
2336 case VK_NUMPAD3: key = MOD_NUM_KEYPAD | '3'; break;
2337 case VK_NUMPAD7: key = MOD_NUM_KEYPAD | '7'; break;
2338 case VK_NUMPAD1: key = MOD_NUM_KEYPAD | '1'; break;
2339 case VK_NUMPAD0: key = MOD_NUM_KEYPAD | '0'; break;
4e7ef6e6 2340 }
2341
2342 if (key != -1) {
eb2ad6f1 2343 if (!midend_process_key(fe->me, 0, 0, key))
4e7ef6e6 2344 PostQuitMessage(0);
c71454c0 2345 } else {
2346 MSG m;
2347 m.hwnd = hwnd;
2348 m.message = WM_KEYDOWN;
2349 m.wParam = wParam;
2350 m.lParam = lParam & 0xdfff;
2351 TranslateMessage(&m);
4e7ef6e6 2352 }
2353 }
2354 break;
2355 case WM_LBUTTONDOWN:
2356 case WM_RBUTTONDOWN:
2357 case WM_MBUTTONDOWN:
b0f06719 2358 {
2359 int button;
2360
2361 /*
2362 * Shift-clicks count as middle-clicks, since otherwise
2363 * two-button Windows users won't have any kind of
2364 * middle click to use.
2365 */
2366 if (message == WM_MBUTTONDOWN || (wParam & MK_SHIFT))
2367 button = MIDDLE_BUTTON;
97c2790f 2368 else if (message == WM_RBUTTONDOWN || is_alt_pressed())
b0f06719 2369 button = RIGHT_BUTTON;
97c2790f 2370 else
2371 button = LEFT_BUTTON;
74a4e547 2372
5dda68e8 2373 if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
2374 (signed short)HIWORD(lParam), button))
74a4e547 2375 PostQuitMessage(0);
2376
2377 SetCapture(hwnd);
2378 }
2379 break;
2380 case WM_LBUTTONUP:
2381 case WM_RBUTTONUP:
2382 case WM_MBUTTONUP:
2383 {
2384 int button;
2385
2386 /*
2387 * Shift-clicks count as middle-clicks, since otherwise
2388 * two-button Windows users won't have any kind of
2389 * middle click to use.
2390 */
2391 if (message == WM_MBUTTONUP || (wParam & MK_SHIFT))
2392 button = MIDDLE_RELEASE;
97c2790f 2393 else if (message == WM_RBUTTONUP || is_alt_pressed())
74a4e547 2394 button = RIGHT_RELEASE;
97c2790f 2395 else
2396 button = LEFT_RELEASE;
74a4e547 2397
5dda68e8 2398 if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
2399 (signed short)HIWORD(lParam), button))
74a4e547 2400 PostQuitMessage(0);
2401
2402 ReleaseCapture();
2403 }
2404 break;
2405 case WM_MOUSEMOVE:
2406 {
2407 int button;
2408
2409 if (wParam & (MK_MBUTTON | MK_SHIFT))
2410 button = MIDDLE_DRAG;
97c2790f 2411 else if (wParam & MK_RBUTTON || is_alt_pressed())
74a4e547 2412 button = RIGHT_DRAG;
97c2790f 2413 else
2414 button = LEFT_DRAG;
74a4e547 2415
5dda68e8 2416 if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
2417 (signed short)HIWORD(lParam), button))
b0f06719 2418 PostQuitMessage(0);
2419 }
4e7ef6e6 2420 break;
2421 case WM_CHAR:
eb2ad6f1 2422 if (!midend_process_key(fe->me, 0, 0, (unsigned char)wParam))
4e7ef6e6 2423 PostQuitMessage(0);
2424 return 0;
2425 case WM_TIMER:
8c1fd974 2426 if (fe->timer) {
2427 DWORD now = GetTickCount();
2428 float elapsed = (float) (now - fe->timer_last_tickcount) * 0.001F;
2429 midend_timer(fe->me, elapsed);
2430 fe->timer_last_tickcount = now;
2431 }
4e7ef6e6 2432 return 0;
2433 }
2434
2435 return DefWindowProc(hwnd, message, wParam, lParam);
2436}
2437
2438int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
2439{
2440 MSG msg;
8b7938e7 2441 char *error;
4e7ef6e6 2442
fd1a1a2b 2443 InitCommonControls();
2444
4e7ef6e6 2445 if (!prev) {
2446 WNDCLASS wndclass;
2447
2448 wndclass.style = 0;
2449 wndclass.lpfnWndProc = WndProc;
2450 wndclass.cbClsExtra = 0;
2451 wndclass.cbWndExtra = 0;
2452 wndclass.hInstance = inst;
fa2cb13d 2453 wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(200));
2454 if (!wndclass.hIcon) /* in case resource file is absent */
2455 wndclass.hIcon = LoadIcon(inst, IDI_APPLICATION);
4e7ef6e6 2456 wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
2457 wndclass.hbrBackground = NULL;
2458 wndclass.lpszMenuName = NULL;
be8d5aa1 2459 wndclass.lpszClassName = thegame.name;
4e7ef6e6 2460
2461 RegisterClass(&wndclass);
2462 }
2463
89167dad 2464 while (*cmdline && isspace((unsigned char)*cmdline))
8b7938e7 2465 cmdline++;
2466
750037d7 2467 init_help();
2468
8b7938e7 2469 if (!new_window(inst, *cmdline ? cmdline : NULL, &error)) {
2470 char buf[128];
be8d5aa1 2471 sprintf(buf, "%.100s Error", thegame.name);
8b7938e7 2472 MessageBox(NULL, error, buf, MB_OK|MB_ICONERROR);
2473 return 1;
2474 }
4e7ef6e6 2475
2476 while (GetMessage(&msg, NULL, 0, 0)) {
4e7ef6e6 2477 DispatchMessage(&msg);
2478 }
2479
750037d7 2480 cleanup_help();
2481
4e7ef6e6 2482 return msg.wParam;
2483}