1 /*
2 * windows.c: Windows front end for my puzzle collection.
3 */
4
5 #include <windows.h>
6 #include <commctrl.h>
7 #ifndef NO_HTMLHELP
8 #include <htmlhelp.h>
9 #endif /* NO_HTMLHELP */
10
11 #include <stdio.h>
12 #include <assert.h>
13 #include <ctype.h>
14 #include <stdarg.h>
15 #include <stdlib.h>
16 #include <limits.h>
17 #include <time.h>
18
19 #include "puzzles.h"
20
21 #define IDM_NEW 0x0010
22 #define IDM_RESTART 0x0020
23 #define IDM_UNDO 0x0030
24 #define IDM_REDO 0x0040
25 #define IDM_COPY 0x0050
26 #define IDM_SOLVE 0x0060
27 #define IDM_QUIT 0x0070
28 #define IDM_CONFIG 0x0080
29 #define IDM_DESC 0x0090
30 #define IDM_SEED 0x00A0
31 #define IDM_HELPC 0x00B0
32 #define IDM_GAMEHELP 0x00C0
33 #define IDM_ABOUT 0x00D0
34 #define IDM_SAVE 0x00E0
35 #define IDM_LOAD 0x00F0
36 #define IDM_PRINT 0x0100
37 #define IDM_PRESETS 0x0110
38 #define IDM_GAMES 0x0300
39
40 #define IDM_KEYEMUL 0x0400
41
42 #define HELP_FILE_NAME "puzzles.hlp"
43 #define HELP_CNT_NAME "puzzles.cnt"
44 #ifndef NO_HTMLHELP
45 #define CHM_FILE_NAME "puzzles.chm"
46 #endif /* NO_HTMLHELP */
47
48 #ifndef NO_HTMLHELP
49 typedef HWND (CALLBACK *htmlhelp_t)(HWND, LPCSTR, UINT, DWORD);
50 static htmlhelp_t htmlhelp;
51 static HINSTANCE hh_dll;
52 #endif /* NO_HTMLHELP */
53 enum { NONE, HLP, CHM } help_type;
54 char *help_path;
55 bool help_has_contents;
56
57 #ifndef FILENAME_MAX
58 #define FILENAME_MAX (260)
59 #endif
60
61 #ifndef HGDI_ERROR
62 #define HGDI_ERROR ((HANDLE)GDI_ERROR)
63 #endif
64
65 #ifdef COMBINED
66 #define CLASSNAME "Puzzles"
67 #else
68 #define CLASSNAME thegame.name
69 #endif
70
71 #ifdef DEBUGGING
72 static FILE *debug_fp = NULL;
73 static HANDLE debug_hdl = INVALID_HANDLE_VALUE;
74 static int debug_got_console = 0;
75
dputs(char * buf)76 void dputs(char *buf)
77 {
78 /*DWORD dw;
79
80 if (!debug_got_console) {
81 if (AllocConsole()) {
82 debug_got_console = 1;
83 debug_hdl = GetStdHandle(STD_OUTPUT_HANDLE);
84 }
85 }
86 if (!debug_fp) {
87 debug_fp = fopen("debug.log", "w");
88 }
89
90 if (debug_hdl != INVALID_HANDLE_VALUE) {
91 WriteFile(debug_hdl, buf, strlen(buf), &dw, NULL);
92 }
93 if (debug_fp) {
94 fputs(buf, debug_fp);
95 fflush(debug_fp);
96 }*/
97 OutputDebugString(buf);
98 }
99
debug_printf(const char * fmt,...)100 void debug_printf(const char *fmt, ...)
101 {
102 char buf[4096];
103 va_list ap;
104 static int debugging = -1;
105
106 if (debugging == -1)
107 debugging = getenv("DEBUG_PUZZLES") ? 1 : 0;
108
109 if (debugging) {
110 va_start(ap, fmt);
111 _vsnprintf(buf, 4095, fmt, ap);
112 dputs(buf);
113 va_end(ap);
114 }
115 }
116 #endif
117
118 #define WINFLAGS (WS_OVERLAPPEDWINDOW &~ \
119 (WS_MAXIMIZEBOX | WS_OVERLAPPED))
120
121 static void new_game_size(frontend *fe, float scale);
122
123 struct font {
124 HFONT font;
125 int type;
126 int size;
127 };
128
129 struct cfg_aux {
130 int ctlid;
131 };
132
133 struct blitter {
134 HBITMAP bitmap;
135 frontend *fe;
136 int x, y, w, h;
137 };
138
139 enum { CFG_PRINT = CFG_FRONTEND_SPECIFIC };
140
141 struct preset_menuitemref {
142 HMENU which_menu;
143 int item_index;
144 };
145
146 struct frontend {
147 const game *game;
148 midend *me;
149 HWND hwnd, statusbar, cfgbox;
150 HINSTANCE inst;
151 HBITMAP bitmap, prevbm;
152 RECT bitmapPosition; /* game bitmap position within game window */
153 HDC hdc;
154 COLORREF *colours;
155 HBRUSH *brushes;
156 HPEN *pens;
157 HRGN clip;
158 HMENU gamemenu, typemenu;
159 UINT timer;
160 DWORD timer_last_tickcount;
161 struct preset_menu *preset_menu;
162 struct preset_menuitemref *preset_menuitems;
163 int n_preset_menuitems;
164 struct font *fonts;
165 int nfonts, fontsize;
166 config_item *cfg;
167 struct cfg_aux *cfgaux;
168 int cfg_which, dlg_done;
169 HFONT cfgfont;
170 HBRUSH oldbr;
171 HPEN oldpen;
172 bool help_running;
173 enum { DRAWING, PRINTING, NOTHING } drawstatus;
174 DOCINFO di;
175 int printcount, printw, printh;
176 bool printsolns, printcurr, printcolour;
177 float printscale;
178 int printoffsetx, printoffsety;
179 float printpixelscale;
180 int fontstart;
181 int linewidth;
182 bool linedotted;
183 drawing *dr;
184 int xmin, ymin;
185 float puzz_scale;
186 };
187
frontend_free(frontend * fe)188 void frontend_free(frontend *fe)
189 {
190 midend_free(fe->me);
191
192 sfree(fe->colours);
193 sfree(fe->brushes);
194 sfree(fe->pens);
195 sfree(fe->fonts);
196
197 sfree(fe);
198 }
199
200 static void update_type_menu_tick(frontend *fe);
201 static void update_copy_menu_greying(frontend *fe);
202
fatal(const char * fmt,...)203 void fatal(const char *fmt, ...)
204 {
205 char buf[2048];
206 va_list ap;
207
208 va_start(ap, fmt);
209 vsprintf(buf, fmt, ap);
210 va_end(ap);
211
212 MessageBox(NULL, buf, "Fatal error", MB_ICONEXCLAMATION | MB_OK);
213
214 exit(1);
215 }
216
geterrstr(void)217 char *geterrstr(void)
218 {
219 LPVOID lpMsgBuf;
220 DWORD dw = GetLastError();
221 char *ret;
222
223 FormatMessage(
224 FORMAT_MESSAGE_ALLOCATE_BUFFER |
225 FORMAT_MESSAGE_FROM_SYSTEM,
226 NULL,
227 dw,
228 MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
229 (LPTSTR) &lpMsgBuf,
230 0, NULL );
231
232 ret = dupstr(lpMsgBuf);
233
234 LocalFree(lpMsgBuf);
235
236 return ret;
237 }
238
get_random_seed(void ** randseed,int * randseedsize)239 void get_random_seed(void **randseed, int *randseedsize)
240 {
241 SYSTEMTIME *st = snew(SYSTEMTIME);
242
243 GetLocalTime(st);
244
245 *randseed = (void *)st;
246 *randseedsize = sizeof(SYSTEMTIME);
247 }
248
win_status_bar(void * handle,const char * text)249 static void win_status_bar(void *handle, const char *text)
250 {
251 frontend *fe = (frontend *)handle;
252
253 SetWindowText(fe->statusbar, text);
254 }
255
win_blitter_new(void * handle,int w,int h)256 static blitter *win_blitter_new(void *handle, int w, int h)
257 {
258 blitter *bl = snew(blitter);
259
260 memset(bl, 0, sizeof(blitter));
261 bl->w = w;
262 bl->h = h;
263 bl->bitmap = 0;
264
265 return bl;
266 }
267
win_blitter_free(void * handle,blitter * bl)268 static void win_blitter_free(void *handle, blitter *bl)
269 {
270 if (bl->bitmap) DeleteObject(bl->bitmap);
271 sfree(bl);
272 }
273
blitter_mkbitmap(frontend * fe,blitter * bl)274 static void blitter_mkbitmap(frontend *fe, blitter *bl)
275 {
276 HDC hdc = GetDC(fe->hwnd);
277 bl->bitmap = CreateCompatibleBitmap(hdc, bl->w, bl->h);
278 ReleaseDC(fe->hwnd, hdc);
279 }
280
281 /* BitBlt(dstDC, dstX, dstY, dstW, dstH, srcDC, srcX, srcY, dType) */
282
win_blitter_save(void * handle,blitter * bl,int x,int y)283 static void win_blitter_save(void *handle, blitter *bl, int x, int y)
284 {
285 frontend *fe = (frontend *)handle;
286 HDC hdc_win, hdc_blit;
287 HBITMAP prev_blit;
288
289 assert(fe->drawstatus == DRAWING);
290
291 if (!bl->bitmap) blitter_mkbitmap(fe, bl);
292
293 bl->x = x; bl->y = y;
294
295 hdc_win = GetDC(fe->hwnd);
296 hdc_blit = CreateCompatibleDC(hdc_win);
297 if (!hdc_blit) fatal("hdc_blit failed: 0x%x", GetLastError());
298
299 prev_blit = SelectObject(hdc_blit, bl->bitmap);
300 if (prev_blit == NULL || prev_blit == HGDI_ERROR)
301 fatal("SelectObject for hdc_main failed: 0x%x", GetLastError());
302
303 if (!BitBlt(hdc_blit, 0, 0, bl->w, bl->h,
304 fe->hdc, x, y, SRCCOPY))
305 fatal("BitBlt failed: 0x%x", GetLastError());
306
307 SelectObject(hdc_blit, prev_blit);
308 DeleteDC(hdc_blit);
309 ReleaseDC(fe->hwnd, hdc_win);
310 }
311
win_blitter_load(void * handle,blitter * bl,int x,int y)312 static void win_blitter_load(void *handle, blitter *bl, int x, int y)
313 {
314 frontend *fe = (frontend *)handle;
315 HDC hdc_win, hdc_blit;
316 HBITMAP prev_blit;
317
318 assert(fe->drawstatus == DRAWING);
319
320 assert(bl->bitmap); /* we should always have saved before loading */
321
322 if (x == BLITTER_FROMSAVED) x = bl->x;
323 if (y == BLITTER_FROMSAVED) y = bl->y;
324
325 hdc_win = GetDC(fe->hwnd);
326 hdc_blit = CreateCompatibleDC(hdc_win);
327
328 prev_blit = SelectObject(hdc_blit, bl->bitmap);
329
330 BitBlt(fe->hdc, x, y, bl->w, bl->h,
331 hdc_blit, 0, 0, SRCCOPY);
332
333 SelectObject(hdc_blit, prev_blit);
334 DeleteDC(hdc_blit);
335 ReleaseDC(fe->hwnd, hdc_win);
336 }
337
frontend_default_colour(frontend * fe,float * output)338 void frontend_default_colour(frontend *fe, float *output)
339 {
340 DWORD c = GetSysColor(COLOR_MENU); /* ick */
341
342 output[0] = (float)(GetRValue(c) / 255.0);
343 output[1] = (float)(GetGValue(c) / 255.0);
344 output[2] = (float)(GetBValue(c) / 255.0);
345 }
346
win_transform_point(frontend * fe,int x,int y)347 static POINT win_transform_point(frontend *fe, int x, int y)
348 {
349 POINT ret;
350
351 assert(fe->drawstatus != NOTHING);
352
353 if (fe->drawstatus == PRINTING) {
354 ret.x = (int)(fe->printoffsetx + fe->printpixelscale * x);
355 ret.y = (int)(fe->printoffsety + fe->printpixelscale * y);
356 } else {
357 ret.x = x;
358 ret.y = y;
359 }
360
361 return ret;
362 }
363
win_text_colour(frontend * fe,int colour)364 static void win_text_colour(frontend *fe, int colour)
365 {
366 assert(fe->drawstatus != NOTHING);
367
368 if (fe->drawstatus == PRINTING) {
369 int hatch;
370 float r, g, b;
371 print_get_colour(fe->dr, colour, fe->printcolour, &hatch, &r, &g, &b);
372
373 /*
374 * Displaying text in hatched colours is not permitted.
375 */
376 assert(hatch < 0);
377
378 SetTextColor(fe->hdc, RGB(r * 255, g * 255, b * 255));
379 } else {
380 SetTextColor(fe->hdc, fe->colours[colour]);
381 }
382 }
383
win_set_brush(frontend * fe,int colour)384 static void win_set_brush(frontend *fe, int colour)
385 {
386 HBRUSH br;
387 assert(fe->drawstatus != NOTHING);
388
389 if (fe->drawstatus == PRINTING) {
390 int hatch;
391 float r, g, b;
392 print_get_colour(fe->dr, colour, fe->printcolour, &hatch, &r, &g, &b);
393
394 if (hatch < 0) {
395 br = CreateSolidBrush(RGB(r * 255, g * 255, b * 255));
396 } else {
397 br = CreateHatchBrush(hatch == HATCH_BACKSLASH ? HS_FDIAGONAL :
398 hatch == HATCH_SLASH ? HS_BDIAGONAL :
399 hatch == HATCH_HORIZ ? HS_HORIZONTAL :
400 hatch == HATCH_VERT ? HS_VERTICAL :
401 hatch == HATCH_PLUS ? HS_CROSS :
402 /* hatch == HATCH_X ? */ HS_DIAGCROSS,
403 RGB(0,0,0));
404 }
405 } else {
406 br = fe->brushes[colour];
407 }
408 fe->oldbr = SelectObject(fe->hdc, br);
409 }
410
win_reset_brush(frontend * fe)411 static void win_reset_brush(frontend *fe)
412 {
413 HBRUSH br;
414
415 assert(fe->drawstatus != NOTHING);
416
417 br = SelectObject(fe->hdc, fe->oldbr);
418 if (fe->drawstatus == PRINTING)
419 DeleteObject(br);
420 }
421
win_set_pen(frontend * fe,int colour,bool thin)422 static void win_set_pen(frontend *fe, int colour, bool thin)
423 {
424 HPEN pen;
425 assert(fe->drawstatus != NOTHING);
426
427 if (fe->drawstatus == PRINTING) {
428 int hatch;
429 float r, g, b;
430 int width = thin ? 0 : fe->linewidth;
431
432 if (fe->linedotted)
433 width = 0;
434
435 print_get_colour(fe->dr, colour, fe->printcolour, &hatch, &r, &g, &b);
436 /*
437 * Stroking in hatched colours is not permitted.
438 */
439 assert(hatch < 0);
440 pen = CreatePen(fe->linedotted ? PS_DOT : PS_SOLID,
441 width, RGB(r * 255, g * 255, b * 255));
442 } else {
443 pen = fe->pens[colour];
444 }
445 fe->oldpen = SelectObject(fe->hdc, pen);
446 }
447
win_reset_pen(frontend * fe)448 static void win_reset_pen(frontend *fe)
449 {
450 HPEN pen;
451
452 assert(fe->drawstatus != NOTHING);
453
454 pen = SelectObject(fe->hdc, fe->oldpen);
455 if (fe->drawstatus == PRINTING)
456 DeleteObject(pen);
457 }
458
win_clip(void * handle,int x,int y,int w,int h)459 static void win_clip(void *handle, int x, int y, int w, int h)
460 {
461 frontend *fe = (frontend *)handle;
462 POINT p, q;
463
464 if (fe->drawstatus == NOTHING)
465 return;
466
467 p = win_transform_point(fe, x, y);
468 q = win_transform_point(fe, x+w, y+h);
469 IntersectClipRect(fe->hdc, p.x, p.y, q.x, q.y);
470 }
471
win_unclip(void * handle)472 static void win_unclip(void *handle)
473 {
474 frontend *fe = (frontend *)handle;
475
476 if (fe->drawstatus == NOTHING)
477 return;
478
479 SelectClipRgn(fe->hdc, NULL);
480 }
481
win_draw_text(void * handle,int x,int y,int fonttype,int fontsize,int align,int colour,const char * text)482 static void win_draw_text(void *handle, int x, int y, int fonttype,
483 int fontsize, int align, int colour,
484 const char *text)
485 {
486 frontend *fe = (frontend *)handle;
487 POINT xy;
488 int i;
489 LOGFONT lf;
490
491 if (fe->drawstatus == NOTHING)
492 return;
493
494 if (fe->drawstatus == PRINTING)
495 fontsize = (int)(fontsize * fe->printpixelscale);
496
497 xy = win_transform_point(fe, x, y);
498
499 /*
500 * Find or create the font.
501 */
502 for (i = fe->fontstart; i < fe->nfonts; i++)
503 if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
504 break;
505
506 if (i == fe->nfonts) {
507 if (fe->fontsize <= fe->nfonts) {
508 fe->fontsize = fe->nfonts + 10;
509 fe->fonts = sresize(fe->fonts, fe->fontsize, struct font);
510 }
511
512 fe->nfonts++;
513
514 fe->fonts[i].type = fonttype;
515 fe->fonts[i].size = fontsize;
516
517 memset (&lf, 0, sizeof(LOGFONT));
518 lf.lfHeight = -fontsize;
519 lf.lfWeight = (fe->drawstatus == PRINTING ? 0 : FW_BOLD);
520 lf.lfCharSet = DEFAULT_CHARSET;
521 lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
522 lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
523 lf.lfQuality = DEFAULT_QUALITY;
524 lf.lfPitchAndFamily = (fonttype == FONT_FIXED ?
525 FIXED_PITCH | FF_DONTCARE :
526 VARIABLE_PITCH | FF_SWISS);
527
528 fe->fonts[i].font = CreateFontIndirect(&lf);
529 }
530
531 /*
532 * Position and draw the text.
533 */
534 {
535 HFONT oldfont;
536 TEXTMETRIC tm;
537 SIZE size;
538 WCHAR wText[256];
539 MultiByteToWideChar (CP_UTF8, 0, text, -1, wText, 256);
540
541 oldfont = SelectObject(fe->hdc, fe->fonts[i].font);
542 if (GetTextMetrics(fe->hdc, &tm)) {
543 if (align & ALIGN_VCENTRE)
544 xy.y -= (tm.tmAscent+tm.tmDescent)/2;
545 else
546 xy.y -= tm.tmAscent;
547 }
548 if (GetTextExtentPoint32W(fe->hdc, wText, wcslen(wText), &size))
549 {
550 if (align & ALIGN_HCENTRE)
551 xy.x -= size.cx / 2;
552 else if (align & ALIGN_HRIGHT)
553 xy.x -= size.cx;
554 }
555 SetBkMode(fe->hdc, TRANSPARENT);
556 win_text_colour(fe, colour);
557 ExtTextOutW(fe->hdc, xy.x, xy.y, 0, NULL, wText, wcslen(wText), NULL);
558 SelectObject(fe->hdc, oldfont);
559 }
560 }
561
win_draw_rect(void * handle,int x,int y,int w,int h,int colour)562 static void win_draw_rect(void *handle, int x, int y, int w, int h, int colour)
563 {
564 frontend *fe = (frontend *)handle;
565 POINT p, q;
566
567 if (fe->drawstatus == NOTHING)
568 return;
569
570 if (fe->drawstatus == DRAWING && w == 1 && h == 1) {
571 /*
572 * Rectangle() appears to get uppity if asked to draw a 1x1
573 * rectangle, presumably on the grounds that that's beneath
574 * its dignity and you ought to be using SetPixel instead.
575 * So I will.
576 */
577 SetPixel(fe->hdc, x, y, fe->colours[colour]);
578 } else {
579 win_set_brush(fe, colour);
580 win_set_pen(fe, colour, true);
581 p = win_transform_point(fe, x, y);
582 q = win_transform_point(fe, x+w, y+h);
583 Rectangle(fe->hdc, p.x, p.y, q.x, q.y);
584 win_reset_brush(fe);
585 win_reset_pen(fe);
586 }
587 }
588
win_draw_line(void * handle,int x1,int y1,int x2,int y2,int colour)589 static void win_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour)
590 {
591 frontend *fe = (frontend *)handle;
592 POINT pp[2];
593
594 if (fe->drawstatus == NOTHING)
595 return;
596
597 win_set_pen(fe, colour, false);
598 pp[0] = win_transform_point(fe, x1, y1);
599 pp[1] = win_transform_point(fe, x2, y2);
600 Polyline(fe->hdc, pp, 2);
601 if (fe->drawstatus == DRAWING)
602 SetPixel(fe->hdc, pp[1].x, pp[1].y, fe->colours[colour]);
603 win_reset_pen(fe);
604 }
605
win_draw_circle(void * handle,int cx,int cy,int radius,int fillcolour,int outlinecolour)606 static void win_draw_circle(void *handle, int cx, int cy, int radius,
607 int fillcolour, int outlinecolour)
608 {
609 frontend *fe = (frontend *)handle;
610 POINT p, q;
611
612 assert(outlinecolour >= 0);
613
614 if (fe->drawstatus == NOTHING)
615 return;
616
617 if (fillcolour >= 0)
618 win_set_brush(fe, fillcolour);
619 else
620 fe->oldbr = SelectObject(fe->hdc, GetStockObject(NULL_BRUSH));
621
622 win_set_pen(fe, outlinecolour, false);
623 p = win_transform_point(fe, cx - radius, cy - radius);
624 q = win_transform_point(fe, cx + radius, cy + radius);
625 Ellipse(fe->hdc, p.x, p.y, q.x+1, q.y+1);
626 win_reset_brush(fe);
627 win_reset_pen(fe);
628 }
629
win_draw_polygon(void * handle,const int * coords,int npoints,int fillcolour,int outlinecolour)630 static void win_draw_polygon(void *handle, const int *coords, int npoints,
631 int fillcolour, int outlinecolour)
632 {
633 frontend *fe = (frontend *)handle;
634 POINT *pts;
635 int i;
636
637 if (fe->drawstatus == NOTHING)
638 return;
639
640 pts = snewn(npoints+1, POINT);
641
642 for (i = 0; i <= npoints; i++) {
643 int j = (i < npoints ? i : 0);
644 pts[i] = win_transform_point(fe, coords[j*2], coords[j*2+1]);
645 }
646
647 assert(outlinecolour >= 0);
648
649 if (fillcolour >= 0) {
650 win_set_brush(fe, fillcolour);
651 win_set_pen(fe, outlinecolour, false);
652 Polygon(fe->hdc, pts, npoints);
653 win_reset_brush(fe);
654 win_reset_pen(fe);
655 } else {
656 win_set_pen(fe, outlinecolour, false);
657 Polyline(fe->hdc, pts, npoints+1);
658 win_reset_pen(fe);
659 }
660
661 sfree(pts);
662 }
663
win_start_draw(void * handle)664 static void win_start_draw(void *handle)
665 {
666 frontend *fe = (frontend *)handle;
667 HDC hdc_win;
668
669 assert(fe->drawstatus == NOTHING);
670
671 hdc_win = GetDC(fe->hwnd);
672 fe->hdc = CreateCompatibleDC(hdc_win);
673 fe->prevbm = SelectObject(fe->hdc, fe->bitmap);
674 ReleaseDC(fe->hwnd, hdc_win);
675 fe->clip = NULL;
676 SetMapMode(fe->hdc, MM_TEXT);
677 fe->drawstatus = DRAWING;
678 }
679
win_draw_update(void * handle,int x,int y,int w,int h)680 static void win_draw_update(void *handle, int x, int y, int w, int h)
681 {
682 frontend *fe = (frontend *)handle;
683 RECT r;
684
685 if (fe->drawstatus != DRAWING)
686 return;
687
688 r.left = x;
689 r.top = y;
690 r.right = x + w;
691 r.bottom = y + h;
692
693 OffsetRect(&r, fe->bitmapPosition.left, fe->bitmapPosition.top);
694 InvalidateRect(fe->hwnd, &r, false);
695 }
696
win_end_draw(void * handle)697 static void win_end_draw(void *handle)
698 {
699 frontend *fe = (frontend *)handle;
700 assert(fe->drawstatus == DRAWING);
701 SelectObject(fe->hdc, fe->prevbm);
702 DeleteDC(fe->hdc);
703 if (fe->clip) {
704 DeleteObject(fe->clip);
705 fe->clip = NULL;
706 }
707 fe->drawstatus = NOTHING;
708 }
709
win_line_width(void * handle,float width)710 static void win_line_width(void *handle, float width)
711 {
712 frontend *fe = (frontend *)handle;
713
714 assert(fe->drawstatus != DRAWING);
715 if (fe->drawstatus == NOTHING)
716 return;
717
718 fe->linewidth = (int)(width * fe->printpixelscale);
719 }
720
win_line_dotted(void * handle,bool dotted)721 static void win_line_dotted(void *handle, bool dotted)
722 {
723 frontend *fe = (frontend *)handle;
724
725 assert(fe->drawstatus != DRAWING);
726 if (fe->drawstatus == NOTHING)
727 return;
728
729 fe->linedotted = dotted;
730 }
731
win_begin_doc(void * handle,int pages)732 static void win_begin_doc(void *handle, int pages)
733 {
734 frontend *fe = (frontend *)handle;
735
736 assert(fe->drawstatus != DRAWING);
737 if (fe->drawstatus == NOTHING)
738 return;
739
740 if (StartDoc(fe->hdc, &fe->di) <= 0) {
741 char *e = geterrstr();
742 MessageBox(fe->hwnd, e, "Error starting to print",
743 MB_ICONERROR | MB_OK);
744 sfree(e);
745 fe->drawstatus = NOTHING;
746 }
747
748 /*
749 * Push a marker on the font stack so that we won't use the
750 * same fonts for printing and drawing. (This is because
751 * drawing seems to look generally better in bold, but printing
752 * is better not in bold.)
753 */
754 fe->fontstart = fe->nfonts;
755 }
756
win_begin_page(void * handle,int number)757 static void win_begin_page(void *handle, int number)
758 {
759 frontend *fe = (frontend *)handle;
760
761 assert(fe->drawstatus != DRAWING);
762 if (fe->drawstatus == NOTHING)
763 return;
764
765 if (StartPage(fe->hdc) <= 0) {
766 char *e = geterrstr();
767 MessageBox(fe->hwnd, e, "Error starting a page",
768 MB_ICONERROR | MB_OK);
769 sfree(e);
770 fe->drawstatus = NOTHING;
771 }
772 }
773
win_begin_puzzle(void * handle,float xm,float xc,float ym,float yc,int pw,int ph,float wmm)774 static void win_begin_puzzle(void *handle, float xm, float xc,
775 float ym, float yc, int pw, int ph, float wmm)
776 {
777 frontend *fe = (frontend *)handle;
778 int ppw, pph, pox, poy;
779 float mmpw, mmph, mmox, mmoy;
780 float scale;
781
782 assert(fe->drawstatus != DRAWING);
783 if (fe->drawstatus == NOTHING)
784 return;
785
786 ppw = GetDeviceCaps(fe->hdc, HORZRES);
787 pph = GetDeviceCaps(fe->hdc, VERTRES);
788 mmpw = (float)GetDeviceCaps(fe->hdc, HORZSIZE);
789 mmph = (float)GetDeviceCaps(fe->hdc, VERTSIZE);
790
791 /*
792 * Compute the puzzle's position on the logical page.
793 */
794 mmox = xm * mmpw + xc;
795 mmoy = ym * mmph + yc;
796
797 /*
798 * Work out what that comes to in pixels.
799 */
800 pox = (int)(mmox * (float)ppw / mmpw);
801 poy = (int)(mmoy * (float)pph / mmph);
802
803 /*
804 * And determine the scale.
805 *
806 * I need a scale such that the maximum puzzle-coordinate
807 * extent of the rectangle (pw * scale) is equal to the pixel
808 * equivalent of the puzzle's millimetre width (wmm * ppw /
809 * mmpw).
810 */
811 scale = (wmm * ppw) / (mmpw * pw);
812
813 /*
814 * Now store pox, poy and scale for use in the main drawing
815 * functions.
816 */
817 fe->printoffsetx = pox;
818 fe->printoffsety = poy;
819 fe->printpixelscale = scale;
820
821 fe->linewidth = 1;
822 fe->linedotted = false;
823 }
824
win_end_puzzle(void * handle)825 static void win_end_puzzle(void *handle)
826 {
827 /* Nothing needs to be done here. */
828 }
829
win_end_page(void * handle,int number)830 static void win_end_page(void *handle, int number)
831 {
832 frontend *fe = (frontend *)handle;
833
834 assert(fe->drawstatus != DRAWING);
835
836 if (fe->drawstatus == NOTHING)
837 return;
838
839 if (EndPage(fe->hdc) <= 0) {
840 char *e = geterrstr();
841 MessageBox(fe->hwnd, e, "Error finishing a page",
842 MB_ICONERROR | MB_OK);
843 sfree(e);
844 fe->drawstatus = NOTHING;
845 }
846 }
847
win_end_doc(void * handle)848 static void win_end_doc(void *handle)
849 {
850 frontend *fe = (frontend *)handle;
851
852 assert(fe->drawstatus != DRAWING);
853
854 /*
855 * Free all the fonts created since we began printing.
856 */
857 while (fe->nfonts > fe->fontstart) {
858 fe->nfonts--;
859 DeleteObject(fe->fonts[fe->nfonts].font);
860 }
861 fe->fontstart = 0;
862
863 /*
864 * The MSDN web site sample code doesn't bother to call EndDoc
865 * if an error occurs half way through printing. I expect doing
866 * so would cause the erroneous document to actually be
867 * printed, or something equally undesirable.
868 */
869 if (fe->drawstatus == NOTHING)
870 return;
871
872 if (EndDoc(fe->hdc) <= 0) {
873 char *e = geterrstr();
874 MessageBox(fe->hwnd, e, "Error finishing printing",
875 MB_ICONERROR | MB_OK);
876 sfree(e);
877 fe->drawstatus = NOTHING;
878 }
879 }
880
win_text_fallback(void * handle,const char * const * strings,int nstrings)881 char *win_text_fallback(void *handle, const char *const *strings, int nstrings)
882 {
883 /*
884 * We assume Windows can cope with any UTF-8 likely to be
885 * emitted by a puzzle.
886 */
887 return dupstr(strings[0]);
888 }
889
890 const struct drawing_api win_drawing = {
891 win_draw_text,
892 win_draw_rect,
893 win_draw_line,
894 win_draw_polygon,
895 win_draw_circle,
896 win_draw_update,
897 win_clip,
898 win_unclip,
899 win_start_draw,
900 win_end_draw,
901 win_status_bar,
902 win_blitter_new,
903 win_blitter_free,
904 win_blitter_save,
905 win_blitter_load,
906 win_begin_doc,
907 win_begin_page,
908 win_begin_puzzle,
909 win_end_puzzle,
910 win_end_page,
911 win_end_doc,
912 win_line_width,
913 win_line_dotted,
914 win_text_fallback,
915 };
916
print(frontend * fe)917 void print(frontend *fe)
918 {
919 PRINTDLG pd;
920 char doctitle[256];
921 document *doc;
922 midend *nme = NULL; /* non-interactive midend for bulk puzzle generation */
923 int i;
924 const char *err = NULL;
925
926 /*
927 * Create our document structure and fill it up with puzzles.
928 */
929 doc = document_new(fe->printw, fe->printh, fe->printscale / 100.0F);
930 for (i = 0; i < fe->printcount; i++) {
931 if (i == 0 && fe->printcurr) {
932 err = midend_print_puzzle(fe->me, doc, fe->printsolns);
933 } else {
934 if (!nme) {
935 game_params *params;
936
937 nme = midend_new(NULL, fe->game, NULL, NULL);
938
939 /*
940 * Set the non-interactive mid-end to have the same
941 * parameters as the standard one.
942 */
943 params = midend_get_params(fe->me);
944 midend_set_params(nme, params);
945 fe->game->free_params(params);
946 }
947
948 midend_new_game(nme);
949 err = midend_print_puzzle(nme, doc, fe->printsolns);
950 }
951 if (err)
952 break;
953 }
954 if (nme)
955 midend_free(nme);
956
957 if (err) {
958 MessageBox(fe->hwnd, err, "Error preparing puzzles for printing",
959 MB_ICONERROR | MB_OK);
960 document_free(doc);
961 return;
962 }
963
964 memset(&pd, 0, sizeof(pd));
965 pd.lStructSize = sizeof(pd);
966 pd.hwndOwner = fe->hwnd;
967 pd.hDevMode = NULL;
968 pd.hDevNames = NULL;
969 pd.Flags = PD_USEDEVMODECOPIESANDCOLLATE | PD_RETURNDC |
970 PD_NOPAGENUMS | PD_NOSELECTION;
971 pd.nCopies = 1;
972 pd.nFromPage = pd.nToPage = 0xFFFF;
973 pd.nMinPage = pd.nMaxPage = 1;
974
975 if (!PrintDlg(&pd)) {
976 document_free(doc);
977 return;
978 }
979
980 /*
981 * Now pd.hDC is a device context for the printer.
982 */
983
984 /*
985 * FIXME: IWBNI we put up an Abort box here.
986 */
987
988 memset(&fe->di, 0, sizeof(fe->di));
989 fe->di.cbSize = sizeof(fe->di);
990 sprintf(doctitle, "Printed puzzles from %s (from Simon Tatham's"
991 " Portable Puzzle Collection)", fe->game->name);
992 fe->di.lpszDocName = doctitle;
993 fe->di.lpszOutput = NULL;
994 fe->di.lpszDatatype = NULL;
995 fe->di.fwType = 0;
996
997 fe->drawstatus = PRINTING;
998 fe->hdc = pd.hDC;
999
1000 fe->dr = drawing_new(&win_drawing, NULL, fe);
1001 document_print(doc, fe->dr);
1002 drawing_free(fe->dr);
1003 fe->dr = NULL;
1004
1005 fe->drawstatus = NOTHING;
1006
1007 DeleteDC(pd.hDC);
1008 document_free(doc);
1009 }
1010
deactivate_timer(frontend * fe)1011 void deactivate_timer(frontend *fe)
1012 {
1013 if (!fe)
1014 return; /* for non-interactive midend */
1015 if (fe->hwnd) KillTimer(fe->hwnd, fe->timer);
1016 fe->timer = 0;
1017 }
1018
activate_timer(frontend * fe)1019 void activate_timer(frontend *fe)
1020 {
1021 if (!fe)
1022 return; /* for non-interactive midend */
1023 if (!fe->timer) {
1024 fe->timer = SetTimer(fe->hwnd, 1, 20, NULL);
1025 fe->timer_last_tickcount = GetTickCount();
1026 }
1027 }
1028
write_clip(HWND hwnd,char * data)1029 void write_clip(HWND hwnd, char *data)
1030 {
1031 HGLOBAL clipdata;
1032 int len, i, j;
1033 char *data2;
1034 void *lock;
1035
1036 /*
1037 * Windows expects CRLF in the clipboard, so we must convert
1038 * any \n that has come out of the puzzle backend.
1039 */
1040 len = 0;
1041 for (i = 0; data[i]; i++) {
1042 if (data[i] == '\n')
1043 len++;
1044 len++;
1045 }
1046 data2 = snewn(len+1, char);
1047 j = 0;
1048 for (i = 0; data[i]; i++) {
1049 if (data[i] == '\n')
1050 data2[j++] = '\r';
1051 data2[j++] = data[i];
1052 }
1053 assert(j == len);
1054 data2[j] = '\0';
1055
1056 clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1);
1057 if (!clipdata) {
1058 sfree(data2);
1059 return;
1060 }
1061 lock = GlobalLock(clipdata);
1062 if (!lock) {
1063 GlobalFree(clipdata);
1064 sfree(data2);
1065 return;
1066 }
1067 memcpy(lock, data2, len);
1068 ((unsigned char *) lock)[len] = 0;
1069 GlobalUnlock(clipdata);
1070
1071 if (OpenClipboard(hwnd)) {
1072 EmptyClipboard();
1073 SetClipboardData(CF_TEXT, clipdata);
1074 CloseClipboard();
1075 } else
1076 GlobalFree(clipdata);
1077
1078 sfree(data2);
1079 }
1080
1081 /*
1082 * Set up Help and see if we can find a help file.
1083 */
init_help(void)1084 static void init_help(void)
1085 {
1086 char b[2048], *p, *q, *r;
1087 FILE *fp;
1088
1089 /*
1090 * Find the executable file path, so we can look alongside
1091 * it for help files. Trim the filename off the end.
1092 */
1093 GetModuleFileName(NULL, b, sizeof(b) - 1);
1094 r = b;
1095 p = strrchr(b, '\\');
1096 if (p && p >= r) r = p+1;
1097 q = strrchr(b, ':');
1098 if (q && q >= r) r = q+1;
1099
1100 #ifndef NO_HTMLHELP
1101 /*
1102 * Try HTML Help first.
1103 */
1104 strcpy(r, CHM_FILE_NAME);
1105 if ( (fp = fopen(b, "r")) != NULL) {
1106 fclose(fp);
1107
1108 /*
1109 * We have a .CHM. See if we can use it.
1110 */
1111 hh_dll = LoadLibrary("hhctrl.ocx");
1112 if (hh_dll) {
1113 htmlhelp = (htmlhelp_t)GetProcAddress(hh_dll, "HtmlHelpA");
1114 if (!htmlhelp)
1115 FreeLibrary(hh_dll);
1116 }
1117 if (htmlhelp) {
1118 help_path = dupstr(b);
1119 help_type = CHM;
1120 return;
1121 }
1122 }
1123 #endif /* NO_HTMLHELP */
1124
1125 /*
1126 * Now try old-style .HLP.
1127 */
1128 strcpy(r, HELP_FILE_NAME);
1129 if ( (fp = fopen(b, "r")) != NULL) {
1130 fclose(fp);
1131
1132 help_path = dupstr(b);
1133 help_type = HLP;
1134
1135 /*
1136 * See if there's a .CNT file alongside it.
1137 */
1138 strcpy(r, HELP_CNT_NAME);
1139 if ( (fp = fopen(b, "r")) != NULL) {
1140 fclose(fp);
1141 help_has_contents = true;
1142 } else
1143 help_has_contents = false;
1144
1145 return;
1146 }
1147
1148 help_type = NONE; /* didn't find any */
1149 }
1150
1151 /*
1152 * Start Help.
1153 */
start_help(frontend * fe,const char * topic)1154 static void start_help(frontend *fe, const char *topic)
1155 {
1156 char *str = NULL;
1157 int cmd;
1158
1159 switch (help_type) {
1160 case HLP:
1161 assert(help_path);
1162 if (topic) {
1163 str = snewn(10+strlen(topic), char);
1164 sprintf(str, "JI(`',`%s')", topic);
1165 cmd = HELP_COMMAND;
1166 } else if (help_has_contents) {
1167 cmd = HELP_FINDER;
1168 } else {
1169 cmd = HELP_CONTENTS;
1170 }
1171 WinHelp(fe->hwnd, help_path, cmd, (ULONG_PTR)str);
1172 fe->help_running = true;
1173 break;
1174 case CHM:
1175 #ifndef NO_HTMLHELP
1176 assert(help_path);
1177 assert(htmlhelp);
1178 if (topic) {
1179 str = snewn(20 + strlen(topic) + strlen(help_path), char);
1180 sprintf(str, "%s::/%s.html>main", help_path, topic);
1181 } else {
1182 str = dupstr(help_path);
1183 }
1184 htmlhelp(fe->hwnd, str, HH_DISPLAY_TOPIC, 0);
1185 fe->help_running = true;
1186 break;
1187 #endif /* NO_HTMLHELP */
1188 case NONE:
1189 assert(!"This shouldn't happen");
1190 break;
1191 }
1192
1193 sfree(str);
1194 }
1195
1196 /*
1197 * Stop Help on window cleanup.
1198 */
stop_help(frontend * fe)1199 static void stop_help(frontend *fe)
1200 {
1201 if (fe->help_running) {
1202 switch (help_type) {
1203 case HLP:
1204 WinHelp(fe->hwnd, help_path, HELP_QUIT, 0);
1205 break;
1206 case CHM:
1207 #ifndef NO_HTMLHELP
1208 assert(htmlhelp);
1209 htmlhelp(NULL, NULL, HH_CLOSE_ALL, 0);
1210 break;
1211 #endif /* NO_HTMLHELP */
1212 case NONE:
1213 assert(!"This shouldn't happen");
1214 break;
1215 }
1216 fe->help_running = false;
1217 }
1218 }
1219
1220 /*
1221 * Terminate Help on process exit.
1222 */
cleanup_help(void)1223 static void cleanup_help(void)
1224 {
1225 /* Nothing to do currently.
1226 * (If we were running HTML Help single-threaded, this is where we'd
1227 * call HH_UNINITIALIZE.) */
1228 }
1229
get_statusbar_height(frontend * fe)1230 static int get_statusbar_height(frontend *fe)
1231 {
1232 int sy;
1233 if (fe->statusbar) {
1234 RECT sr;
1235 GetWindowRect(fe->statusbar, &sr);
1236 sy = sr.bottom - sr.top;
1237 } else {
1238 sy = 0;
1239 }
1240 return sy;
1241 }
1242
adjust_statusbar(frontend * fe,RECT * r)1243 static void adjust_statusbar(frontend *fe, RECT *r)
1244 {
1245 int sy;
1246
1247 if (!fe->statusbar) return;
1248
1249 sy = get_statusbar_height(fe);
1250 SetWindowPos(fe->statusbar, NULL, 0, r->bottom-r->top-sy, r->right-r->left,
1251 sy, SWP_NOZORDER);
1252 }
1253
get_menu_size(HWND wh,RECT * r)1254 static void get_menu_size(HWND wh, RECT *r)
1255 {
1256 HMENU bar = GetMenu(wh);
1257 RECT rect;
1258 int i;
1259
1260 SetRect(r, 0, 0, 0, 0);
1261 for (i = 0; i < GetMenuItemCount(bar); i++) {
1262 GetMenuItemRect(wh, bar, i, &rect);
1263 UnionRect(r, r, &rect);
1264 }
1265 }
1266
1267 /*
1268 * Given a proposed new puzzle size (cx,cy), work out the actual
1269 * puzzle size that would be (px,py) and the window size including
1270 * furniture (wx,wy).
1271 */
1272
check_window_resize(frontend * fe,int cx,int cy,int * px,int * py,int * wx,int * wy)1273 static bool check_window_resize(frontend *fe, int cx, int cy,
1274 int *px, int *py, int *wx, int *wy)
1275 {
1276 RECT r;
1277 int x, y, sy = get_statusbar_height(fe);
1278 bool changed = false;
1279
1280 /* disallow making window thinner than menu bar */
1281 x = max(cx, fe->xmin);
1282 y = max(cy - sy, fe->ymin);
1283
1284 /*
1285 * See if we actually got the window size we wanted, and adjust
1286 * the puzzle size if not.
1287 */
1288 midend_size(fe->me, &x, &y, true);
1289 if (x != cx || y != cy) {
1290 /*
1291 * Resize the window, now we know what size we _really_
1292 * want it to be.
1293 */
1294 r.left = r.top = 0;
1295 r.right = x;
1296 r.bottom = y + sy;
1297 AdjustWindowRectEx(&r, WINFLAGS, true, 0);
1298 *wx = r.right - r.left;
1299 *wy = r.bottom - r.top;
1300 changed = true;
1301 }
1302
1303 *px = x;
1304 *py = y;
1305
1306 fe->puzz_scale =
1307 (float)midend_tilesize(fe->me) / (float)fe->game->preferred_tilesize;
1308
1309 return changed;
1310 }
1311
1312 /*
1313 * Given the current window size, make sure it's sane for the
1314 * current puzzle and resize if necessary.
1315 */
1316
check_window_size(frontend * fe,int * px,int * py)1317 static void check_window_size(frontend *fe, int *px, int *py)
1318 {
1319 RECT r;
1320 int wx, wy, cx, cy;
1321
1322 GetClientRect(fe->hwnd, &r);
1323 cx = r.right - r.left;
1324 cy = r.bottom - r.top;
1325
1326 if (check_window_resize(fe, cx, cy, px, py, &wx, &wy))
1327 SetWindowPos(fe->hwnd, NULL, 0, 0, wx, wy, SWP_NOMOVE | SWP_NOZORDER);
1328
1329 GetClientRect(fe->hwnd, &r);
1330 adjust_statusbar(fe, &r);
1331 }
1332
get_max_puzzle_size(frontend * fe,int * x,int * y)1333 static void get_max_puzzle_size(frontend *fe, int *x, int *y)
1334 {
1335 RECT r, sr;
1336
1337 if (SystemParametersInfo(SPI_GETWORKAREA, 0, &sr, false)) {
1338 *x = sr.right - sr.left;
1339 *y = sr.bottom - sr.top;
1340 r.left = 100;
1341 r.right = 200;
1342 r.top = 100;
1343 r.bottom = 200;
1344 AdjustWindowRectEx(&r, WINFLAGS, true, 0);
1345 *x -= r.right - r.left - 100;
1346 *y -= r.bottom - r.top - 100;
1347 } else {
1348 *x = *y = INT_MAX;
1349 }
1350
1351 if (fe->statusbar != NULL) {
1352 GetWindowRect(fe->statusbar, &sr);
1353 *y -= sr.bottom - sr.top;
1354 }
1355 }
1356
1357 /*
1358 * Allocate a new frontend structure and create its main window.
1359 */
frontend_new(HINSTANCE inst)1360 static frontend *frontend_new(HINSTANCE inst)
1361 {
1362 frontend *fe;
1363 const char *nogame = "Puzzles (no game selected)";
1364
1365 fe = snew(frontend);
1366
1367 fe->inst = inst;
1368
1369 fe->game = NULL;
1370 fe->me = NULL;
1371
1372 fe->timer = 0;
1373 fe->hwnd = NULL;
1374
1375 fe->help_running = false;
1376
1377 fe->drawstatus = NOTHING;
1378 fe->dr = NULL;
1379 fe->fontstart = 0;
1380
1381 fe->fonts = NULL;
1382 fe->nfonts = fe->fontsize = 0;
1383
1384 fe->colours = NULL;
1385 fe->brushes = NULL;
1386 fe->pens = NULL;
1387
1388 fe->puzz_scale = 1.0;
1389
1390 fe->hwnd = CreateWindowEx(0, CLASSNAME, nogame,
1391 WS_OVERLAPPEDWINDOW &~
1392 (WS_MAXIMIZEBOX),
1393 CW_USEDEFAULT, CW_USEDEFAULT,
1394 CW_USEDEFAULT, CW_USEDEFAULT,
1395 NULL, NULL, inst, NULL);
1396 if (!fe->hwnd) {
1397 DWORD lerr = GetLastError();
1398 printf("no window: 0x%x\n", (unsigned)lerr);
1399 }
1400
1401 fe->gamemenu = NULL;
1402 fe->preset_menu = NULL;
1403
1404 fe->statusbar = NULL;
1405 fe->bitmap = NULL;
1406
1407 SetWindowLongPtr(fe->hwnd, GWLP_USERDATA, (LONG_PTR)fe);
1408
1409 return fe;
1410 }
1411
savefile_write(void * wctx,const void * buf,int len)1412 static void savefile_write(void *wctx, const void *buf, int len)
1413 {
1414 FILE *fp = (FILE *)wctx;
1415 fwrite(buf, 1, len, fp);
1416 }
1417
savefile_read(void * wctx,void * buf,int len)1418 static bool savefile_read(void *wctx, void *buf, int len)
1419 {
1420 FILE *fp = (FILE *)wctx;
1421 int ret;
1422
1423 ret = fread(buf, 1, len, fp);
1424 return (ret == len);
1425 }
1426
1427 /*
1428 * Create an appropriate midend structure to go in a puzzle window,
1429 * given a game type and/or a command-line argument.
1430 *
1431 * 'arg' can be either a game ID string (descriptive, random, or a
1432 * plain set of parameters) or the filename of a save file. The two
1433 * boolean flag arguments indicate which possibilities are
1434 * permissible.
1435 */
midend_for_new_game(frontend * fe,const game * cgame,char * arg,bool maybe_game_id,bool maybe_save_file,char ** error)1436 static midend *midend_for_new_game(frontend *fe, const game *cgame,
1437 char *arg, bool maybe_game_id,
1438 bool maybe_save_file, char **error)
1439 {
1440 midend *me = NULL;
1441
1442 if (!arg) {
1443 if (me) midend_free(me);
1444 me = midend_new(fe, cgame, &win_drawing, fe);
1445 midend_new_game(me);
1446 } else {
1447 FILE *fp;
1448 const char *err_param, *err_load;
1449
1450 /*
1451 * See if arg is a valid filename of a save game file.
1452 */
1453 err_load = NULL;
1454 if (maybe_save_file && (fp = fopen(arg, "r")) != NULL) {
1455 const game *loadgame;
1456
1457 #ifdef COMBINED
1458 /*
1459 * Find out what kind of game is stored in the save
1460 * file; if we're going to end up loading that, it
1461 * will have to override our caller's judgment as to
1462 * what game to initialise our midend with.
1463 */
1464 char *id_name;
1465 err_load = identify_game(&id_name, savefile_read, fp);
1466 if (!err_load) {
1467 int i;
1468 for (i = 0; i < gamecount; i++)
1469 if (!strcmp(id_name, gamelist[i]->name))
1470 break;
1471 if (i == gamecount) {
1472 err_load = "Save file is for a game not supported by"
1473 " this program";
1474 } else {
1475 loadgame = gamelist[i];
1476 rewind(fp); /* go back to the start for actual load */
1477 }
1478 }
1479 #else
1480 loadgame = cgame;
1481 #endif
1482 if (!err_load) {
1483 if (me) midend_free(me);
1484 me = midend_new(fe, loadgame, &win_drawing, fe);
1485 err_load = midend_deserialise(me, savefile_read, fp);
1486 }
1487 } else {
1488 err_load = "Unable to open file";
1489 }
1490
1491 if (maybe_game_id && (!maybe_save_file || err_load)) {
1492 /*
1493 * See if arg is a game description.
1494 */
1495 if (me) midend_free(me);
1496 me = midend_new(fe, cgame, &win_drawing, fe);
1497 err_param = midend_game_id(me, arg);
1498 if (!err_param) {
1499 midend_new_game(me);
1500 } else {
1501 if (maybe_save_file) {
1502 *error = snewn(256 + strlen(arg) + strlen(err_param) +
1503 strlen(err_load), char);
1504 sprintf(*error, "Supplied argument \"%s\" is neither a"
1505 " game ID (%s) nor a save file (%s)",
1506 arg, err_param, err_load);
1507 } else {
1508 *error = dupstr(err_param);
1509 }
1510 midend_free(me);
1511 sfree(fe);
1512 return NULL;
1513 }
1514 } else if (err_load) {
1515 *error = dupstr(err_load);
1516 midend_free(me);
1517 sfree(fe);
1518 return NULL;
1519 }
1520 }
1521
1522 return me;
1523 }
1524
populate_preset_menu(frontend * fe,struct preset_menu * menu,HMENU winmenu)1525 static void populate_preset_menu(frontend *fe,
1526 struct preset_menu *menu, HMENU winmenu)
1527 {
1528 int i;
1529 for (i = 0; i < menu->n_entries; i++) {
1530 struct preset_menu_entry *entry = &menu->entries[i];
1531 UINT_PTR id_or_sub;
1532 UINT flags = MF_ENABLED;
1533
1534 if (entry->params) {
1535 id_or_sub = (UINT_PTR)(IDM_PRESETS + 0x10 * entry->id);
1536
1537 fe->preset_menuitems[entry->id].which_menu = winmenu;
1538 fe->preset_menuitems[entry->id].item_index =
1539 GetMenuItemCount(winmenu);
1540 } else {
1541 HMENU winsubmenu = CreateMenu();
1542 id_or_sub = (UINT_PTR)winsubmenu;
1543 flags |= MF_POPUP;
1544
1545 populate_preset_menu(fe, entry->submenu, winsubmenu);
1546 }
1547
1548 /*
1549 * FIXME: we ought to go through and do something with ampersands
1550 * here.
1551 */
1552
1553 AppendMenu(winmenu, flags, id_or_sub, entry->title);
1554 }
1555 }
1556
1557 /*
1558 * Populate a frontend structure with a new midend structure, and
1559 * create any window furniture that it needs.
1560 *
1561 * Previously-allocated memory and window furniture will be freed by
1562 * this function.
1563 *
1564 */
fe_set_midend(frontend * fe,midend * me)1565 static int fe_set_midend(frontend *fe, midend *me)
1566 {
1567 int x, y;
1568 RECT r;
1569
1570 if (fe->me) {
1571 midend_free(fe->me);
1572 fe->preset_menu = NULL;
1573 sfree(fe->preset_menuitems);
1574 }
1575 fe->me = me;
1576 fe->game = midend_which_game(fe->me);
1577
1578 {
1579 int i, ncolours;
1580 float *colours;
1581
1582 colours = midend_colours(fe->me, &ncolours);
1583
1584 if (fe->colours) sfree(fe->colours);
1585 if (fe->brushes) sfree(fe->brushes);
1586 if (fe->pens) sfree(fe->pens);
1587
1588 fe->colours = snewn(ncolours, COLORREF);
1589 fe->brushes = snewn(ncolours, HBRUSH);
1590 fe->pens = snewn(ncolours, HPEN);
1591
1592 for (i = 0; i < ncolours; i++) {
1593 fe->colours[i] = RGB(255 * colours[i*3+0],
1594 255 * colours[i*3+1],
1595 255 * colours[i*3+2]);
1596 fe->brushes[i] = CreateSolidBrush(fe->colours[i]);
1597 fe->pens[i] = CreatePen(PS_SOLID, 1, fe->colours[i]);
1598 }
1599 sfree(colours);
1600 }
1601
1602 if (fe->statusbar)
1603 DestroyWindow(fe->statusbar);
1604 if (midend_wants_statusbar(fe->me)) {
1605 fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME,
1606 TEXT(DEFAULT_STATUSBAR_TEXT),
1607 WS_CHILD | WS_VISIBLE,
1608 0, 0, 0, 0, /* status bar does these */
1609 NULL, NULL, fe->inst, NULL);
1610 } else
1611 fe->statusbar = NULL;
1612
1613 get_max_puzzle_size(fe, &x, &y);
1614 midend_size(fe->me, &x, &y, false);
1615
1616 r.left = r.top = 0;
1617 r.right = x;
1618 r.bottom = y;
1619 AdjustWindowRectEx(&r, WINFLAGS, true, 0);
1620
1621 SetWindowText(fe->hwnd, fe->game->name);
1622
1623 if (fe->statusbar)
1624 DestroyWindow(fe->statusbar);
1625 if (midend_wants_statusbar(fe->me)) {
1626 RECT sr;
1627 fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, TEXT("ooh"),
1628 WS_CHILD | WS_VISIBLE,
1629 0, 0, 0, 0, /* status bar does these */
1630 fe->hwnd, NULL, fe->inst, NULL);
1631
1632 /*
1633 * Now resize the window to take account of the status bar.
1634 */
1635 GetWindowRect(fe->statusbar, &sr);
1636 GetWindowRect(fe->hwnd, &r);
1637 SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left,
1638 r.bottom - r.top + sr.bottom - sr.top,
1639 SWP_NOMOVE | SWP_NOZORDER);
1640 } else {
1641 fe->statusbar = NULL;
1642 }
1643
1644 {
1645 HMENU oldmenu = GetMenu(fe->hwnd);
1646
1647 HMENU bar = CreateMenu();
1648 HMENU menu = CreateMenu();
1649 RECT menusize;
1650
1651 AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT_PTR)menu, "&Game");
1652 fe->gamemenu = menu;
1653 AppendMenu(menu, MF_ENABLED, IDM_NEW, TEXT("&New"));
1654 AppendMenu(menu, MF_ENABLED, IDM_RESTART, TEXT("&Restart"));
1655 /* ...here I run out of sensible accelerator characters. */
1656 AppendMenu(menu, MF_ENABLED, IDM_DESC, TEXT("Speci&fic..."));
1657 AppendMenu(menu, MF_ENABLED, IDM_SEED, TEXT("Rando&m Seed..."));
1658
1659 assert(!fe->preset_menu);
1660
1661 fe->preset_menu = midend_get_presets(
1662 fe->me, &fe->n_preset_menuitems);
1663 fe->preset_menuitems = snewn(fe->n_preset_menuitems,
1664 struct preset_menuitemref);
1665 {
1666 int i;
1667 for (i = 0; i < fe->n_preset_menuitems; i++)
1668 fe->preset_menuitems[i].which_menu = NULL;
1669 }
1670 if (fe->preset_menu->n_entries > 0 || fe->game->can_configure) {
1671 HMENU sub = CreateMenu();
1672
1673 AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT_PTR)sub, "&Type");
1674
1675 populate_preset_menu(fe, fe->preset_menu, sub);
1676
1677 if (fe->game->can_configure) {
1678 AppendMenu(sub, MF_ENABLED, IDM_CONFIG, TEXT("&Custom..."));
1679 }
1680
1681 fe->typemenu = sub;
1682 } else {
1683 fe->typemenu = INVALID_HANDLE_VALUE;
1684 }
1685
1686 #ifdef COMBINED
1687 {
1688 HMENU games = CreateMenu();
1689 int i;
1690
1691 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1692 AppendMenu(menu, MF_ENABLED|MF_POPUP, (UINT_PTR)games, "&Other");
1693 for (i = 0; i < gamecount; i++) {
1694 if (strcmp(gamelist[i]->name, fe->game->name) != 0) {
1695 /* only include those games that aren't the same as the
1696 * game we're currently playing. */
1697 AppendMenu(games, MF_ENABLED, IDM_GAMES + i, gamelist[i]->name);
1698 }
1699 }
1700 }
1701 #endif
1702
1703 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1704 AppendMenu(menu, MF_ENABLED, IDM_LOAD, TEXT("&Load..."));
1705 AppendMenu(menu, MF_ENABLED, IDM_SAVE, TEXT("&Save..."));
1706 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1707 if (fe->game->can_print) {
1708 AppendMenu(menu, MF_ENABLED, IDM_PRINT, TEXT("&Print..."));
1709 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1710 }
1711 AppendMenu(menu, MF_ENABLED, IDM_UNDO, TEXT("Undo"));
1712 AppendMenu(menu, MF_ENABLED, IDM_REDO, TEXT("Redo"));
1713 if (fe->game->can_format_as_text_ever) {
1714 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1715 AppendMenu(menu, MF_ENABLED, IDM_COPY, TEXT("&Copy"));
1716 }
1717 if (fe->game->can_solve) {
1718 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1719 AppendMenu(menu, MF_ENABLED, IDM_SOLVE, TEXT("Sol&ve"));
1720 }
1721 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1722 AppendMenu(menu, MF_ENABLED, IDM_QUIT, TEXT("E&xit"));
1723 menu = CreateMenu();
1724 AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT_PTR)menu, TEXT("&Help"));
1725 AppendMenu(menu, MF_ENABLED, IDM_ABOUT, TEXT("&About"));
1726 if (help_type != NONE) {
1727 char *item;
1728 AppendMenu(menu, MF_SEPARATOR, 0, 0);
1729 AppendMenu(menu, MF_ENABLED, IDM_HELPC, TEXT("&Contents"));
1730 assert(fe->game->name);
1731 item = snewn(10+strlen(fe->game->name), char); /*ick*/
1732 sprintf(item, "&Help on %s", fe->game->name);
1733 AppendMenu(menu, MF_ENABLED, IDM_GAMEHELP, item);
1734 sfree(item);
1735 }
1736 DestroyMenu(oldmenu);
1737 SetMenu(fe->hwnd, bar);
1738 get_menu_size(fe->hwnd, &menusize);
1739 fe->xmin = (menusize.right - menusize.left) + 25;
1740 }
1741
1742 if (fe->bitmap) DeleteObject(fe->bitmap);
1743 fe->bitmap = NULL;
1744 new_game_size(fe, fe->puzz_scale); /* initialises fe->bitmap */
1745
1746 return 0;
1747 }
1748
show_window(frontend * fe)1749 static void show_window(frontend *fe)
1750 {
1751 ShowWindow(fe->hwnd, SW_SHOWNORMAL);
1752 SetForegroundWindow(fe->hwnd);
1753
1754 update_type_menu_tick(fe);
1755 update_copy_menu_greying(fe);
1756
1757 midend_redraw(fe->me);
1758 }
1759
AboutDlgProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)1760 static int CALLBACK AboutDlgProc(HWND hwnd, UINT msg,
1761 WPARAM wParam, LPARAM lParam)
1762 {
1763 frontend *fe = (frontend *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
1764
1765 switch (msg) {
1766 case WM_INITDIALOG:
1767 return 1;
1768
1769 case WM_COMMAND:
1770 if (LOWORD(wParam) == IDOK)
1771 fe->dlg_done = 1;
1772 return 0;
1773
1774 case WM_CLOSE:
1775 fe->dlg_done = 1;
1776 return 0;
1777 }
1778
1779 return 0;
1780 }
1781
1782 /*
1783 * Wrappers on midend_{get,set}_config, which extend the CFG_*
1784 * enumeration to add CFG_PRINT.
1785 */
frontend_get_config(frontend * fe,int which,char ** wintitle)1786 static config_item *frontend_get_config(frontend *fe, int which,
1787 char **wintitle)
1788 {
1789 if (which < CFG_FRONTEND_SPECIFIC) {
1790 return midend_get_config(fe->me, which, wintitle);
1791 } else if (which == CFG_PRINT) {
1792 config_item *ret;
1793 int i;
1794
1795 *wintitle = snewn(40 + strlen(fe->game->name), char);
1796 sprintf(*wintitle, "%s print setup", fe->game->name);
1797
1798 ret = snewn(8, config_item);
1799
1800 i = 0;
1801
1802 ret[i].name = "Number of puzzles to print";
1803 ret[i].type = C_STRING;
1804 ret[i].u.string.sval = dupstr("1");
1805 i++;
1806
1807 ret[i].name = "Number of puzzles across the page";
1808 ret[i].type = C_STRING;
1809 ret[i].u.string.sval = dupstr("1");
1810 i++;
1811
1812 ret[i].name = "Number of puzzles down the page";
1813 ret[i].type = C_STRING;
1814 ret[i].u.string.sval = dupstr("1");
1815 i++;
1816
1817 ret[i].name = "Percentage of standard size";
1818 ret[i].type = C_STRING;
1819 ret[i].u.string.sval = dupstr("100.0");
1820 i++;
1821
1822 ret[i].name = "Include currently shown puzzle";
1823 ret[i].type = C_BOOLEAN;
1824 ret[i].u.boolean.bval = true;
1825 i++;
1826
1827 ret[i].name = "Print solutions";
1828 ret[i].type = C_BOOLEAN;
1829 ret[i].u.boolean.bval = false;
1830 i++;
1831
1832 if (fe->game->can_print_in_colour) {
1833 ret[i].name = "Print in colour";
1834 ret[i].type = C_BOOLEAN;
1835 ret[i].u.boolean.bval = false;
1836 i++;
1837 }
1838
1839 ret[i].name = NULL;
1840 ret[i].type = C_END;
1841 i++;
1842
1843 return ret;
1844 } else {
1845 assert(!"We should never get here");
1846 return NULL;
1847 }
1848 }
1849
frontend_set_config(frontend * fe,int which,config_item * cfg)1850 static const char *frontend_set_config(
1851 frontend *fe, int which, config_item *cfg)
1852 {
1853 if (which < CFG_FRONTEND_SPECIFIC) {
1854 return midend_set_config(fe->me, which, cfg);
1855 } else if (which == CFG_PRINT) {
1856 if ((fe->printcount = atoi(cfg[0].u.string.sval)) <= 0)
1857 return "Number of puzzles to print should be at least one";
1858 if ((fe->printw = atoi(cfg[1].u.string.sval)) <= 0)
1859 return "Number of puzzles across the page should be at least one";
1860 if ((fe->printh = atoi(cfg[2].u.string.sval)) <= 0)
1861 return "Number of puzzles down the page should be at least one";
1862 if ((fe->printscale = (float)atof(cfg[3].u.string.sval)) <= 0)
1863 return "Print size should be positive";
1864 fe->printcurr = cfg[4].u.boolean.bval;
1865 fe->printsolns = cfg[5].u.boolean.bval;
1866 fe->printcolour = fe->game->can_print_in_colour &&
1867 cfg[6].u.boolean.bval;
1868 return NULL;
1869 } else {
1870 assert(!"We should never get here");
1871 return "Internal error";
1872 }
1873 }
1874
ConfigDlgProc(HWND hwnd,UINT msg,WPARAM wParam,LPARAM lParam)1875 static int CALLBACK ConfigDlgProc(HWND hwnd, UINT msg,
1876 WPARAM wParam, LPARAM lParam)
1877 {
1878 frontend *fe = (frontend *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
1879 config_item *i;
1880 struct cfg_aux *j;
1881
1882 switch (msg) {
1883 case WM_INITDIALOG:
1884 return 1;
1885
1886 case WM_COMMAND:
1887 /*
1888 * OK and Cancel are special cases.
1889 */
1890 if ((LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)) {
1891 if (LOWORD(wParam) == IDOK) {
1892 const char *err = frontend_set_config(
1893 fe, fe->cfg_which, fe->cfg);
1894
1895 if (err) {
1896 MessageBox(hwnd, err, "Validation error",
1897 MB_ICONERROR | MB_OK);
1898 } else {
1899 fe->dlg_done = 2;
1900 }
1901 } else {
1902 fe->dlg_done = 1;
1903 }
1904 return 0;
1905 }
1906
1907 /*
1908 * First find the control whose id this is.
1909 */
1910 for (i = fe->cfg, j = fe->cfgaux; i->type != C_END; i++, j++) {
1911 if (j->ctlid == LOWORD(wParam))
1912 break;
1913 }
1914 if (i->type == C_END)
1915 return 0; /* not our problem */
1916
1917 if (i->type == C_STRING && HIWORD(wParam) == EN_CHANGE) {
1918 char buffer[4096];
1919 GetDlgItemText(fe->cfgbox, j->ctlid, buffer, lenof(buffer));
1920 buffer[lenof(buffer)-1] = '\0';
1921 sfree(i->u.string.sval);
1922 i->u.string.sval = dupstr(buffer);
1923 } else if (i->type == C_BOOLEAN &&
1924 (HIWORD(wParam) == BN_CLICKED ||
1925 HIWORD(wParam) == BN_DBLCLK)) {
1926 i->u.boolean.bval = IsDlgButtonChecked(fe->cfgbox, j->ctlid);
1927 } else if (i->type == C_CHOICES &&
1928 HIWORD(wParam) == CBN_SELCHANGE) {
1929 i->u.choices.selected = SendDlgItemMessage(fe->cfgbox, j->ctlid,
1930 CB_GETCURSEL, 0, 0);
1931 }
1932
1933 return 0;
1934
1935 case WM_CLOSE:
1936 fe->dlg_done = 1;
1937 return 0;
1938 }
1939
1940 return 0;
1941 }
1942
mkctrl(frontend * fe,int x1,int x2,int y1,int y2,char * wclass,int wstyle,int exstyle,const char * wtext,INT_PTR wid)1943 HWND mkctrl(frontend *fe, int x1, int x2, int y1, int y2,
1944 char *wclass, int wstyle,
1945 int exstyle, const char *wtext, INT_PTR wid)
1946 {
1947 HWND ret;
1948 ret = CreateWindowEx(exstyle, wclass, wtext,
1949 wstyle | WS_CHILD | WS_VISIBLE, x1, y1, x2-x1, y2-y1,
1950 fe->cfgbox, (HMENU) wid, fe->inst, NULL);
1951 SendMessage(ret, WM_SETFONT, (WPARAM)fe->cfgfont, MAKELPARAM(true, 0));
1952 return ret;
1953 }
1954
about(frontend * fe)1955 static void about(frontend *fe)
1956 {
1957 int i;
1958 WNDCLASS wc;
1959 MSG msg;
1960 TEXTMETRIC tm;
1961 HDC hdc;
1962 HFONT oldfont;
1963 SIZE size;
1964 int gm, id;
1965 int winwidth, winheight, y;
1966 int height, width, maxwid;
1967 const char *strings[16];
1968 int lengths[16];
1969 int nstrings = 0;
1970 char titlebuf[512];
1971
1972 sprintf(titlebuf, "About %.250s", fe->game->name);
1973
1974 strings[nstrings++] = fe->game->name;
1975 strings[nstrings++] = "from Simon Tatham's Portable Puzzle Collection";
1976 strings[nstrings++] = ver;
1977
1978 wc.style = CS_DBLCLKS | CS_SAVEBITS;
1979 wc.lpfnWndProc = DefDlgProc;
1980 wc.cbClsExtra = 0;
1981 wc.cbWndExtra = DLGWINDOWEXTRA + 8;
1982 wc.hInstance = fe->inst;
1983 wc.hIcon = NULL;
1984 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
1985 wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1);
1986 wc.lpszMenuName = NULL;
1987 wc.lpszClassName = "GameAboutBox";
1988 RegisterClass(&wc);
1989
1990 hdc = GetDC(fe->hwnd);
1991 SetMapMode(hdc, MM_TEXT);
1992
1993 fe->dlg_done = 0;
1994
1995 fe->cfgfont = CreateFont(-MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72),
1996 0, 0, 0, 0,
1997 false, false, false, DEFAULT_CHARSET,
1998 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
1999 DEFAULT_QUALITY,
2000 FF_SWISS,
2001 "MS Shell Dlg");
2002
2003 oldfont = SelectObject(hdc, fe->cfgfont);
2004 if (GetTextMetrics(hdc, &tm)) {
2005 height = tm.tmAscent + tm.tmDescent;
2006 width = tm.tmAveCharWidth;
2007 } else {
2008 height = width = 30;
2009 }
2010
2011 /*
2012 * Figure out the layout of the About box by measuring the
2013 * length of each piece of text.
2014 */
2015 maxwid = 0;
2016 winheight = height/2;
2017
2018 for (i = 0; i < nstrings; i++) {
2019 if (GetTextExtentPoint32(hdc, strings[i], strlen(strings[i]), &size))
2020 lengths[i] = size.cx;
2021 else
2022 lengths[i] = 0; /* *shrug* */
2023 if (maxwid < lengths[i])
2024 maxwid = lengths[i];
2025 winheight += height * 3 / 2 + (height / 2);
2026 }
2027
2028 winheight += height + height * 7 / 4; /* OK button */
2029 winwidth = maxwid + 4*width;
2030
2031 SelectObject(hdc, oldfont);
2032 ReleaseDC(fe->hwnd, hdc);
2033
2034 /*
2035 * Create the dialog, now that we know its size.
2036 */
2037 {
2038 RECT r, r2;
2039
2040 r.left = r.top = 0;
2041 r.right = winwidth;
2042 r.bottom = winheight;
2043
2044 AdjustWindowRectEx(&r, (WS_OVERLAPPEDWINDOW /*|
2045 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
2046 WS_CAPTION | WS_SYSMENU*/) &~
2047 (WS_MAXIMIZEBOX | WS_OVERLAPPED),
2048 false, 0);
2049
2050 /*
2051 * Centre the dialog on its parent window.
2052 */
2053 r.right -= r.left;
2054 r.bottom -= r.top;
2055 GetWindowRect(fe->hwnd, &r2);
2056 r.left = (r2.left + r2.right - r.right) / 2;
2057 r.top = (r2.top + r2.bottom - r.bottom) / 2;
2058 r.right += r.left;
2059 r.bottom += r.top;
2060
2061 fe->cfgbox = CreateWindowEx(0, wc.lpszClassName, titlebuf,
2062 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
2063 WS_CAPTION | WS_SYSMENU,
2064 r.left, r.top,
2065 r.right-r.left, r.bottom-r.top,
2066 fe->hwnd, NULL, fe->inst, NULL);
2067 }
2068
2069 SendMessage(fe->cfgbox, WM_SETFONT, (WPARAM)fe->cfgfont, false);
2070
2071 SetWindowLongPtr(fe->cfgbox, GWLP_USERDATA, (LONG_PTR)fe);
2072 SetWindowLongPtr(fe->cfgbox, DWLP_DLGPROC, (LONG_PTR)AboutDlgProc);
2073
2074 id = 1000;
2075 y = height/2;
2076 for (i = 0; i < nstrings; i++) {
2077 int border = width*2 + (maxwid - lengths[i]) / 2;
2078 mkctrl(fe, border, border+lengths[i], y+height*1/8, y+height*9/8,
2079 "Static", 0, 0, strings[i], id++);
2080 y += height*3/2;
2081
2082 assert(y < winheight);
2083 y += height/2;
2084 }
2085
2086 y += height/2; /* extra space before OK */
2087 mkctrl(fe, width*2, maxwid+width*2, y, y+height*7/4, "BUTTON",
2088 BS_PUSHBUTTON | WS_TABSTOP | BS_DEFPUSHBUTTON, 0,
2089 "OK", IDOK);
2090
2091 SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0);
2092
2093 EnableWindow(fe->hwnd, false);
2094 ShowWindow(fe->cfgbox, SW_SHOWNORMAL);
2095 while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) {
2096 if (!IsDialogMessage(fe->cfgbox, &msg))
2097 DispatchMessage(&msg);
2098 if (fe->dlg_done)
2099 break;
2100 }
2101 EnableWindow(fe->hwnd, true);
2102 SetForegroundWindow(fe->hwnd);
2103 DestroyWindow(fe->cfgbox);
2104 DeleteObject(fe->cfgfont);
2105 }
2106
get_config(frontend * fe,int which)2107 static bool get_config(frontend *fe, int which)
2108 {
2109 config_item *i;
2110 struct cfg_aux *j;
2111 char *title;
2112 WNDCLASS wc;
2113 MSG msg;
2114 TEXTMETRIC tm;
2115 HDC hdc;
2116 HFONT oldfont;
2117 SIZE size;
2118 HWND ctl;
2119 int gm, id, nctrls;
2120 int winwidth, winheight, col1l, col1r, col2l, col2r, y;
2121 int height, width, maxlabel, maxcheckbox;
2122
2123 wc.style = CS_DBLCLKS | CS_SAVEBITS;
2124 wc.lpfnWndProc = DefDlgProc;
2125 wc.cbClsExtra = 0;
2126 wc.cbWndExtra = DLGWINDOWEXTRA + 8;
2127 wc.hInstance = fe->inst;
2128 wc.hIcon = NULL;
2129 wc.hCursor = LoadCursor(NULL, IDC_ARROW);
2130 wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1);
2131 wc.lpszMenuName = NULL;
2132 wc.lpszClassName = "GameConfigBox";
2133 RegisterClass(&wc);
2134
2135 hdc = GetDC(fe->hwnd);
2136 SetMapMode(hdc, MM_TEXT);
2137
2138 fe->dlg_done = 0;
2139
2140 fe->cfgfont = CreateFont(-MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72),
2141 0, 0, 0, 0,
2142 false, false, false, DEFAULT_CHARSET,
2143 OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
2144 DEFAULT_QUALITY,
2145 FF_SWISS,
2146 "MS Shell Dlg");
2147
2148 oldfont = SelectObject(hdc, fe->cfgfont);
2149 if (GetTextMetrics(hdc, &tm)) {
2150 height = tm.tmAscent + tm.tmDescent;
2151 width = tm.tmAveCharWidth;
2152 } else {
2153 height = width = 30;
2154 }
2155
2156 fe->cfg = frontend_get_config(fe, which, &title);
2157 fe->cfg_which = which;
2158
2159 /*
2160 * Figure out the layout of the config box by measuring the
2161 * length of each piece of text.
2162 */
2163 maxlabel = maxcheckbox = 0;
2164 winheight = height/2;
2165
2166 for (i = fe->cfg; i->type != C_END; i++) {
2167 switch (i->type) {
2168 case C_STRING:
2169 case C_CHOICES:
2170 /*
2171 * Both these control types have a label filling only
2172 * the left-hand column of the box.
2173 */
2174 if (GetTextExtentPoint32(hdc, i->name, strlen(i->name), &size) &&
2175 maxlabel < size.cx)
2176 maxlabel = size.cx;
2177 winheight += height * 3 / 2 + (height / 2);
2178 break;
2179
2180 case C_BOOLEAN:
2181 /*
2182 * Checkboxes take up the whole of the box width.
2183 */
2184 if (GetTextExtentPoint32(hdc, i->name, strlen(i->name), &size) &&
2185 maxcheckbox < size.cx)
2186 maxcheckbox = size.cx;
2187 winheight += height + (height / 2);
2188 break;
2189 }
2190 }
2191
2192 winheight += height + height * 7 / 4; /* OK / Cancel buttons */
2193
2194 col1l = 2*width;
2195 col1r = col1l + maxlabel;
2196 col2l = col1r + 2*width;
2197 col2r = col2l + 30*width;
2198 if (col2r < col1l+2*height+maxcheckbox)
2199 col2r = col1l+2*height+maxcheckbox;
2200 winwidth = col2r + 2*width;
2201
2202 SelectObject(hdc, oldfont);
2203 ReleaseDC(fe->hwnd, hdc);
2204
2205 /*
2206 * Create the dialog, now that we know its size.
2207 */
2208 {
2209 RECT r, r2;
2210
2211 r.left = r.top = 0;
2212 r.right = winwidth;
2213 r.bottom = winheight;
2214
2215 AdjustWindowRectEx(&r, (WS_OVERLAPPEDWINDOW /*|
2216 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
2217 WS_CAPTION | WS_SYSMENU*/) &~
2218 (WS_MAXIMIZEBOX | WS_OVERLAPPED),
2219 false, 0);
2220
2221 /*
2222 * Centre the dialog on its parent window.
2223 */
2224 r.right -= r.left;
2225 r.bottom -= r.top;
2226 GetWindowRect(fe->hwnd, &r2);
2227 r.left = (r2.left + r2.right - r.right) / 2;
2228 r.top = (r2.top + r2.bottom - r.bottom) / 2;
2229 r.right += r.left;
2230 r.bottom += r.top;
2231
2232 fe->cfgbox = CreateWindowEx(0, wc.lpszClassName, title,
2233 DS_MODALFRAME | WS_POPUP | WS_VISIBLE |
2234 WS_CAPTION | WS_SYSMENU,
2235 r.left, r.top,
2236 r.right-r.left, r.bottom-r.top,
2237 fe->hwnd, NULL, fe->inst, NULL);
2238 sfree(title);
2239 }
2240
2241 SendMessage(fe->cfgbox, WM_SETFONT, (WPARAM)fe->cfgfont, false);
2242
2243 SetWindowLongPtr(fe->cfgbox, GWLP_USERDATA, (LONG_PTR)fe);
2244 SetWindowLongPtr(fe->cfgbox, DWLP_DLGPROC, (LONG_PTR)ConfigDlgProc);
2245
2246 /*
2247 * Count the controls so we can allocate cfgaux.
2248 */
2249 for (nctrls = 0, i = fe->cfg; i->type != C_END; i++)
2250 nctrls++;
2251 fe->cfgaux = snewn(nctrls, struct cfg_aux);
2252
2253 id = 1000;
2254 y = height/2;
2255 for (i = fe->cfg, j = fe->cfgaux; i->type != C_END; i++, j++) {
2256 switch (i->type) {
2257 case C_STRING:
2258 /*
2259 * Edit box with a label beside it.
2260 */
2261 mkctrl(fe, col1l, col1r, y+height*1/8, y+height*9/8,
2262 "Static", 0, 0, i->name, id++);
2263 ctl = mkctrl(fe, col2l, col2r, y, y+height*3/2,
2264 "EDIT", WS_TABSTOP | ES_AUTOHSCROLL,
2265 WS_EX_CLIENTEDGE, "", (j->ctlid = id++));
2266 SetWindowText(ctl, i->u.string.sval);
2267 y += height*3/2;
2268 break;
2269
2270 case C_BOOLEAN:
2271 /*
2272 * Simple checkbox.
2273 */
2274 mkctrl(fe, col1l, col2r, y, y+height, "BUTTON",
2275 BS_NOTIFY | BS_AUTOCHECKBOX | WS_TABSTOP,
2276 0, i->name, (j->ctlid = id++));
2277 CheckDlgButton(fe->cfgbox, j->ctlid, i->u.boolean.bval);
2278 y += height;
2279 break;
2280
2281 case C_CHOICES:
2282 /*
2283 * Drop-down list with a label beside it.
2284 */
2285 mkctrl(fe, col1l, col1r, y+height*1/8, y+height*9/8,
2286 "STATIC", 0, 0, i->name, id++);
2287 ctl = mkctrl(fe, col2l, col2r, y, y+height*41/2,
2288 "COMBOBOX", WS_TABSTOP |
2289 CBS_DROPDOWNLIST | CBS_HASSTRINGS,
2290 WS_EX_CLIENTEDGE, "", (j->ctlid = id++));
2291 {
2292 char c;
2293 const char *p, *q;
2294 char *str;
2295
2296 SendMessage(ctl, CB_RESETCONTENT, 0, 0);
2297 p = i->u.choices.choicenames;
2298 c = *p++;
2299 while (*p) {
2300 q = p;
2301 while (*q && *q != c) q++;
2302 str = snewn(q-p+1, char);
2303 strncpy(str, p, q-p);
2304 str[q-p] = '\0';
2305 SendMessage(ctl, CB_ADDSTRING, 0, (LPARAM)str);
2306 sfree(str);
2307 if (*q) q++;
2308 p = q;
2309 }
2310 }
2311
2312 SendMessage(ctl, CB_SETCURSEL, i->u.choices.selected, 0);
2313
2314 y += height*3/2;
2315 break;
2316 }
2317
2318 assert(y < winheight);
2319 y += height/2;
2320 }
2321
2322 y += height/2; /* extra space before OK and Cancel */
2323 mkctrl(fe, col1l, (col1l+col2r)/2-width, y, y+height*7/4, "BUTTON",
2324 BS_PUSHBUTTON | WS_TABSTOP | BS_DEFPUSHBUTTON, 0,
2325 "OK", IDOK);
2326 mkctrl(fe, (col1l+col2r)/2+width, col2r, y, y+height*7/4, "BUTTON",
2327 BS_PUSHBUTTON | WS_TABSTOP, 0, "Cancel", IDCANCEL);
2328
2329 SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0);
2330
2331 EnableWindow(fe->hwnd, false);
2332 ShowWindow(fe->cfgbox, SW_SHOWNORMAL);
2333 while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) {
2334 if (!IsDialogMessage(fe->cfgbox, &msg))
2335 DispatchMessage(&msg);
2336 if (fe->dlg_done)
2337 break;
2338 }
2339 EnableWindow(fe->hwnd, true);
2340 SetForegroundWindow(fe->hwnd);
2341 DestroyWindow(fe->cfgbox);
2342 DeleteObject(fe->cfgfont);
2343
2344 free_cfg(fe->cfg);
2345 sfree(fe->cfgaux);
2346
2347 return (fe->dlg_done == 2);
2348 }
2349
calculate_bitmap_position(frontend * fe,int x,int y)2350 static void calculate_bitmap_position(frontend *fe, int x, int y)
2351 {
2352 /* Plain Windows - position the game in the upper-left corner */
2353 fe->bitmapPosition.left = 0;
2354 fe->bitmapPosition.top = 0;
2355 fe->bitmapPosition.right = fe->bitmapPosition.left + x;
2356 fe->bitmapPosition.bottom = fe->bitmapPosition.top + y;
2357 }
2358
new_bitmap(frontend * fe,int x,int y)2359 static void new_bitmap(frontend *fe, int x, int y)
2360 {
2361 HDC hdc;
2362
2363 if (fe->bitmap) DeleteObject(fe->bitmap);
2364
2365 hdc = GetDC(fe->hwnd);
2366 fe->bitmap = CreateCompatibleBitmap(hdc, x, y);
2367 calculate_bitmap_position(fe, x, y);
2368 ReleaseDC(fe->hwnd, hdc);
2369 }
2370
new_game_size(frontend * fe,float scale)2371 static void new_game_size(frontend *fe, float scale)
2372 {
2373 RECT r, sr;
2374 int x, y;
2375
2376 get_max_puzzle_size(fe, &x, &y);
2377 midend_size(fe->me, &x, &y, false);
2378
2379 if (scale != 1.0) {
2380 x = (int)((float)x * fe->puzz_scale);
2381 y = (int)((float)y * fe->puzz_scale);
2382 midend_size(fe->me, &x, &y, true);
2383 }
2384 fe->ymin = (fe->xmin * y) / x;
2385
2386 r.left = r.top = 0;
2387 r.right = x;
2388 r.bottom = y;
2389 AdjustWindowRectEx(&r, WINFLAGS, true, 0);
2390
2391 if (fe->statusbar != NULL) {
2392 GetWindowRect(fe->statusbar, &sr);
2393 } else {
2394 sr.left = sr.right = sr.top = sr.bottom = 0;
2395 }
2396 SetWindowPos(fe->hwnd, NULL, 0, 0,
2397 r.right - r.left,
2398 r.bottom - r.top + sr.bottom - sr.top,
2399 SWP_NOMOVE | SWP_NOZORDER);
2400
2401 check_window_size(fe, &x, &y);
2402
2403 if (fe->statusbar != NULL)
2404 SetWindowPos(fe->statusbar, NULL, 0, y, x,
2405 sr.bottom - sr.top, SWP_NOZORDER);
2406
2407 new_bitmap(fe, x, y);
2408
2409 midend_redraw(fe->me);
2410 }
2411
2412 /*
2413 * Given a proposed new window rect, work out the resulting
2414 * difference in client size (from current), and use to try
2415 * and resize the puzzle, returning (wx,wy) as the actual
2416 * new window size.
2417 */
2418
adjust_game_size(frontend * fe,RECT * proposed,bool isedge,int * wx_r,int * wy_r)2419 static void adjust_game_size(frontend *fe, RECT *proposed, bool isedge,
2420 int *wx_r, int *wy_r)
2421 {
2422 RECT cr, wr;
2423 int nx, ny, xdiff, ydiff, wx, wy;
2424
2425 /* Work out the current window sizing, and thus the
2426 * difference in size we're asking for. */
2427 GetClientRect(fe->hwnd, &cr);
2428 wr = cr;
2429 AdjustWindowRectEx(&wr, WINFLAGS, true, 0);
2430
2431 xdiff = (proposed->right - proposed->left) - (wr.right - wr.left);
2432 ydiff = (proposed->bottom - proposed->top) - (wr.bottom - wr.top);
2433
2434 if (isedge) {
2435 /* These next four lines work around the fact that midend_size
2436 * is happy to shrink _but not grow_ if you change one dimension
2437 * but not the other. */
2438 if (xdiff > 0 && ydiff == 0)
2439 ydiff = (xdiff * (wr.right - wr.left)) / (wr.bottom - wr.top);
2440 if (xdiff == 0 && ydiff > 0)
2441 xdiff = (ydiff * (wr.bottom - wr.top)) / (wr.right - wr.left);
2442 }
2443
2444 if (check_window_resize(fe,
2445 (cr.right - cr.left) + xdiff,
2446 (cr.bottom - cr.top) + ydiff,
2447 &nx, &ny, &wx, &wy)) {
2448 new_bitmap(fe, nx, ny);
2449 midend_force_redraw(fe->me);
2450 } else {
2451 /* reset size to current window size */
2452 wx = wr.right - wr.left;
2453 wy = wr.bottom - wr.top;
2454 }
2455 /* Re-fetch rectangle; size limits mean we might not have
2456 * taken it quite to the mouse drag positions. */
2457 GetClientRect(fe->hwnd, &cr);
2458 adjust_statusbar(fe, &cr);
2459
2460 *wx_r = wx; *wy_r = wy;
2461 }
2462
update_type_menu_tick(frontend * fe)2463 static void update_type_menu_tick(frontend *fe)
2464 {
2465 int total, n, i;
2466
2467 if (fe->typemenu == INVALID_HANDLE_VALUE)
2468 return;
2469
2470 n = midend_which_preset(fe->me);
2471
2472 for (i = 0; i < fe->n_preset_menuitems; i++) {
2473 if (fe->preset_menuitems[i].which_menu) {
2474 int flag = (i == n ? MF_CHECKED : MF_UNCHECKED);
2475 CheckMenuItem(fe->preset_menuitems[i].which_menu,
2476 fe->preset_menuitems[i].item_index,
2477 MF_BYPOSITION | flag);
2478 }
2479 }
2480
2481 if (fe->game->can_configure) {
2482 int flag = (n < 0 ? MF_CHECKED : MF_UNCHECKED);
2483 /* "Custom" menu item is at the bottom of the top-level Type menu */
2484 total = GetMenuItemCount(fe->typemenu);
2485 CheckMenuItem(fe->typemenu, total - 1, MF_BYPOSITION | flag);
2486 }
2487
2488 DrawMenuBar(fe->hwnd);
2489 }
2490
update_copy_menu_greying(frontend * fe)2491 static void update_copy_menu_greying(frontend *fe)
2492 {
2493 UINT enable = (midend_can_format_as_text_now(fe->me) ?
2494 MF_ENABLED : MF_GRAYED);
2495 EnableMenuItem(fe->gamemenu, IDM_COPY, MF_BYCOMMAND | enable);
2496 }
2497
new_game_type(frontend * fe)2498 static void new_game_type(frontend *fe)
2499 {
2500 midend_new_game(fe->me);
2501 new_game_size(fe, 1.0);
2502 update_type_menu_tick(fe);
2503 update_copy_menu_greying(fe);
2504 }
2505
is_alt_pressed(void)2506 static bool is_alt_pressed(void)
2507 {
2508 BYTE keystate[256];
2509 int r = GetKeyboardState(keystate);
2510 if (!r)
2511 return false;
2512 if (keystate[VK_MENU] & 0x80)
2513 return true;
2514 if (keystate[VK_RMENU] & 0x80)
2515 return true;
2516 return false;
2517 }
2518
WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam)2519 static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
2520 WPARAM wParam, LPARAM lParam)
2521 {
2522 frontend *fe = (frontend *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
2523 int cmd;
2524
2525 switch (message) {
2526 case WM_CLOSE:
2527 DestroyWindow(hwnd);
2528 return 0;
2529 case WM_COMMAND:
2530 cmd = wParam & ~0xF; /* low 4 bits reserved to Windows */
2531 switch (cmd) {
2532 case IDM_NEW:
2533 if (!midend_process_key(fe->me, 0, 0, UI_NEWGAME))
2534 PostQuitMessage(0);
2535 break;
2536 case IDM_RESTART:
2537 midend_restart_game(fe->me);
2538 break;
2539 case IDM_UNDO:
2540 if (!midend_process_key(fe->me, 0, 0, UI_UNDO))
2541 PostQuitMessage(0);
2542 break;
2543 case IDM_REDO:
2544 if (!midend_process_key(fe->me, 0, 0, UI_REDO))
2545 PostQuitMessage(0);
2546 break;
2547 case IDM_COPY:
2548 {
2549 char *text = midend_text_format(fe->me);
2550 if (text)
2551 write_clip(hwnd, text);
2552 else
2553 MessageBeep(MB_ICONWARNING);
2554 sfree(text);
2555 }
2556 break;
2557 case IDM_SOLVE:
2558 {
2559 const char *msg = midend_solve(fe->me);
2560 if (msg)
2561 MessageBox(hwnd, msg, "Unable to solve",
2562 MB_ICONERROR | MB_OK);
2563 }
2564 break;
2565 case IDM_QUIT:
2566 if (!midend_process_key(fe->me, 0, 0, UI_QUIT))
2567 PostQuitMessage(0);
2568 break;
2569 case IDM_CONFIG:
2570 if (get_config(fe, CFG_SETTINGS))
2571 new_game_type(fe);
2572 break;
2573 case IDM_SEED:
2574 if (get_config(fe, CFG_SEED))
2575 new_game_type(fe);
2576 break;
2577 case IDM_DESC:
2578 if (get_config(fe, CFG_DESC))
2579 new_game_type(fe);
2580 break;
2581 case IDM_PRINT:
2582 if (get_config(fe, CFG_PRINT))
2583 print(fe);
2584 break;
2585 case IDM_ABOUT:
2586 about(fe);
2587 break;
2588 case IDM_LOAD:
2589 case IDM_SAVE:
2590 {
2591 OPENFILENAME of;
2592 char filename[FILENAME_MAX];
2593 int ret;
2594
2595 memset(&of, 0, sizeof(of));
2596 of.hwndOwner = hwnd;
2597 of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
2598 of.lpstrCustomFilter = NULL;
2599 of.nFilterIndex = 1;
2600 of.lpstrFile = filename;
2601 filename[0] = '\0';
2602 of.nMaxFile = lenof(filename);
2603 of.lpstrFileTitle = NULL;
2604 of.lpstrTitle = (cmd == IDM_SAVE ?
2605 "Enter name of game file to save" :
2606 "Enter name of saved game file to load");
2607 of.Flags = 0;
2608 #ifdef OPENFILENAME_SIZE_VERSION_400
2609 of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
2610 #else
2611 of.lStructSize = sizeof(of);
2612 #endif
2613 of.lpstrInitialDir = NULL;
2614
2615 if (cmd == IDM_SAVE)
2616 ret = GetSaveFileName(&of);
2617 else
2618 ret = GetOpenFileName(&of);
2619
2620 if (ret) {
2621 if (cmd == IDM_SAVE) {
2622 FILE *fp;
2623
2624 if ((fp = fopen(filename, "r")) != NULL) {
2625 char buf[256 + FILENAME_MAX];
2626 fclose(fp);
2627 /* file exists */
2628
2629 sprintf(buf, "Are you sure you want to overwrite"
2630 " the file \"%.*s\"?",
2631 FILENAME_MAX, filename);
2632 if (MessageBox(hwnd, buf, "Question",
2633 MB_YESNO | MB_ICONQUESTION)
2634 != IDYES)
2635 break;
2636 }
2637
2638 fp = fopen(filename, "w");
2639
2640 if (!fp) {
2641 MessageBox(hwnd, "Unable to open save file",
2642 "Error", MB_ICONERROR | MB_OK);
2643 break;
2644 }
2645
2646 midend_serialise(fe->me, savefile_write, fp);
2647
2648 fclose(fp);
2649 } else {
2650 FILE *fp = fopen(filename, "r");
2651 const char *err = NULL;
2652 char *err_w = NULL;
2653 midend *me = fe->me;
2654 #ifdef COMBINED
2655 char *id_name;
2656 #endif
2657
2658 if (!fp) {
2659 MessageBox(hwnd, "Unable to open saved game file",
2660 "Error", MB_ICONERROR | MB_OK);
2661 break;
2662 }
2663
2664 #ifdef COMBINED
2665 /*
2666 * This save file might be from a different
2667 * game.
2668 */
2669 err = identify_game(&id_name, savefile_read, fp);
2670 if (!err) {
2671 int i;
2672 for (i = 0; i < gamecount; i++)
2673 if (!strcmp(id_name, gamelist[i]->name))
2674 break;
2675 if (i == gamecount) {
2676 err = "Save file is for a game not "
2677 "supported by this program";
2678 } else {
2679 me = midend_for_new_game(fe, gamelist[i], NULL,
2680 false, false, &err_w);
2681 err = err_w;
2682 rewind(fp); /* for the actual load */
2683 }
2684 sfree(id_name);
2685 }
2686 #endif
2687 if (!err)
2688 err = midend_deserialise(me, savefile_read, fp);
2689
2690 fclose(fp);
2691
2692 if (err) {
2693 MessageBox(hwnd, err, "Error", MB_ICONERROR|MB_OK);
2694 sfree(err_w);
2695 break;
2696 }
2697
2698 if (fe->me != me)
2699 fe_set_midend(fe, me);
2700 new_game_size(fe, 1.0);
2701 }
2702 }
2703 }
2704
2705 break;
2706 case IDM_HELPC:
2707 start_help(fe, NULL);
2708 break;
2709 case IDM_GAMEHELP:
2710 assert(help_type != NONE);
2711 start_help(fe, help_type == CHM ?
2712 fe->game->htmlhelp_topic : fe->game->winhelp_topic);
2713 break;
2714 default:
2715 #ifdef COMBINED
2716 if (wParam >= IDM_GAMES && wParam < (IDM_GAMES + (WPARAM)gamecount)) {
2717 int p = wParam - IDM_GAMES;
2718 char *error = NULL;
2719 fe_set_midend(fe, midend_for_new_game(fe, gamelist[p], NULL,
2720 false, false, &error));
2721 sfree(error);
2722 } else
2723 #endif
2724 {
2725 game_params *preset = preset_menu_lookup_by_id(
2726 fe->preset_menu,
2727 ((wParam &~ 0xF) - IDM_PRESETS) / 0x10);
2728
2729 if (preset) {
2730 midend_set_params(fe->me, preset);
2731 new_game_type(fe);
2732 }
2733 }
2734 break;
2735 }
2736 break;
2737 case WM_DESTROY:
2738 stop_help(fe);
2739 frontend_free(fe);
2740 PostQuitMessage(0);
2741 return 0;
2742 case WM_PAINT:
2743 {
2744 PAINTSTRUCT p;
2745 HDC hdc, hdc2;
2746 HBITMAP prevbm;
2747 RECT rcDest;
2748
2749 hdc = BeginPaint(hwnd, &p);
2750 hdc2 = CreateCompatibleDC(hdc);
2751 prevbm = SelectObject(hdc2, fe->bitmap);
2752 IntersectRect(&rcDest, &(fe->bitmapPosition), &(p.rcPaint));
2753 BitBlt(hdc,
2754 rcDest.left, rcDest.top,
2755 rcDest.right - rcDest.left,
2756 rcDest.bottom - rcDest.top,
2757 hdc2,
2758 rcDest.left - fe->bitmapPosition.left,
2759 rcDest.top - fe->bitmapPosition.top,
2760 SRCCOPY);
2761 SelectObject(hdc2, prevbm);
2762 DeleteDC(hdc2);
2763 EndPaint(hwnd, &p);
2764 }
2765 return 0;
2766 case WM_KEYDOWN:
2767 {
2768 int key = -1;
2769 BYTE keystate[256];
2770 int r = GetKeyboardState(keystate);
2771 int shift = (r && (keystate[VK_SHIFT] & 0x80)) ? MOD_SHFT : 0;
2772 int ctrl = (r && (keystate[VK_CONTROL] & 0x80)) ? MOD_CTRL : 0;
2773
2774 switch (wParam) {
2775 case VK_LEFT:
2776 if (!(lParam & 0x01000000))
2777 key = MOD_NUM_KEYPAD | '4';
2778 else
2779 key = shift | ctrl | CURSOR_LEFT;
2780 break;
2781 case VK_RIGHT:
2782 if (!(lParam & 0x01000000))
2783 key = MOD_NUM_KEYPAD | '6';
2784 else
2785 key = shift | ctrl | CURSOR_RIGHT;
2786 break;
2787 case VK_UP:
2788 if (!(lParam & 0x01000000))
2789 key = MOD_NUM_KEYPAD | '8';
2790 else
2791 key = shift | ctrl | CURSOR_UP;
2792 break;
2793 case VK_DOWN:
2794 if (!(lParam & 0x01000000))
2795 key = MOD_NUM_KEYPAD | '2';
2796 else
2797 key = shift | ctrl | CURSOR_DOWN;
2798 break;
2799 /*
2800 * Diagonal keys on the numeric keypad.
2801 */
2802 case VK_PRIOR:
2803 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '9';
2804 break;
2805 case VK_NEXT:
2806 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '3';
2807 break;
2808 case VK_HOME:
2809 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '7';
2810 break;
2811 case VK_END:
2812 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '1';
2813 break;
2814 case VK_INSERT:
2815 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '0';
2816 break;
2817 case VK_CLEAR:
2818 if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '5';
2819 break;
2820 /*
2821 * Numeric keypad keys with Num Lock on.
2822 */
2823 case VK_NUMPAD4: key = MOD_NUM_KEYPAD | '4'; break;
2824 case VK_NUMPAD6: key = MOD_NUM_KEYPAD | '6'; break;
2825 case VK_NUMPAD8: key = MOD_NUM_KEYPAD | '8'; break;
2826 case VK_NUMPAD2: key = MOD_NUM_KEYPAD | '2'; break;
2827 case VK_NUMPAD5: key = MOD_NUM_KEYPAD | '5'; break;
2828 case VK_NUMPAD9: key = MOD_NUM_KEYPAD | '9'; break;
2829 case VK_NUMPAD3: key = MOD_NUM_KEYPAD | '3'; break;
2830 case VK_NUMPAD7: key = MOD_NUM_KEYPAD | '7'; break;
2831 case VK_NUMPAD1: key = MOD_NUM_KEYPAD | '1'; break;
2832 case VK_NUMPAD0: key = MOD_NUM_KEYPAD | '0'; break;
2833 }
2834
2835 if (key != -1) {
2836 if (!midend_process_key(fe->me, 0, 0, key))
2837 PostQuitMessage(0);
2838 } else {
2839 MSG m;
2840 m.hwnd = hwnd;
2841 m.message = WM_KEYDOWN;
2842 m.wParam = wParam;
2843 m.lParam = lParam & 0xdfff;
2844 TranslateMessage(&m);
2845 }
2846 }
2847 break;
2848 case WM_LBUTTONDOWN:
2849 case WM_RBUTTONDOWN:
2850 case WM_MBUTTONDOWN:
2851 {
2852 int button;
2853
2854 /*
2855 * Shift-clicks count as middle-clicks, since otherwise
2856 * two-button Windows users won't have any kind of
2857 * middle click to use.
2858 */
2859 if (message == WM_MBUTTONDOWN || (wParam & MK_SHIFT))
2860 button = MIDDLE_BUTTON;
2861 else if (message == WM_RBUTTONDOWN || is_alt_pressed())
2862 button = RIGHT_BUTTON;
2863 else
2864 button = LEFT_BUTTON;
2865
2866 if (!midend_process_key(fe->me,
2867 (signed short)LOWORD(lParam) - fe->bitmapPosition.left,
2868 (signed short)HIWORD(lParam) - fe->bitmapPosition.top,
2869 button))
2870 PostQuitMessage(0);
2871
2872 SetCapture(hwnd);
2873 }
2874 break;
2875 case WM_LBUTTONUP:
2876 case WM_RBUTTONUP:
2877 case WM_MBUTTONUP:
2878 {
2879 int button;
2880
2881 /*
2882 * Shift-clicks count as middle-clicks, since otherwise
2883 * two-button Windows users won't have any kind of
2884 * middle click to use.
2885 */
2886 if (message == WM_MBUTTONUP || (wParam & MK_SHIFT))
2887 button = MIDDLE_RELEASE;
2888 else if (message == WM_RBUTTONUP || is_alt_pressed())
2889 button = RIGHT_RELEASE;
2890 else
2891 button = LEFT_RELEASE;
2892
2893 if (!midend_process_key(fe->me,
2894 (signed short)LOWORD(lParam) - fe->bitmapPosition.left,
2895 (signed short)HIWORD(lParam) - fe->bitmapPosition.top,
2896 button))
2897 PostQuitMessage(0);
2898
2899 ReleaseCapture();
2900 }
2901 break;
2902 case WM_MOUSEMOVE:
2903 {
2904 int button;
2905
2906 if (wParam & (MK_MBUTTON | MK_SHIFT))
2907 button = MIDDLE_DRAG;
2908 else if (wParam & MK_RBUTTON || is_alt_pressed())
2909 button = RIGHT_DRAG;
2910 else
2911 button = LEFT_DRAG;
2912
2913 if (!midend_process_key(fe->me,
2914 (signed short)LOWORD(lParam) - fe->bitmapPosition.left,
2915 (signed short)HIWORD(lParam) - fe->bitmapPosition.top,
2916 button))
2917 PostQuitMessage(0);
2918 }
2919 break;
2920 case WM_CHAR:
2921 {
2922 int key = (unsigned char)wParam;
2923 if (key == '\x1A') {
2924 BYTE keystate[256];
2925 if (GetKeyboardState(keystate) &&
2926 (keystate[VK_SHIFT] & 0x80) &&
2927 (keystate[VK_CONTROL] & 0x80))
2928 key = UI_REDO;
2929 }
2930 if (!midend_process_key(fe->me, 0, 0, key))
2931 PostQuitMessage(0);
2932 }
2933 return 0;
2934 case WM_TIMER:
2935 if (fe->timer) {
2936 DWORD now = GetTickCount();
2937 float elapsed = (float) (now - fe->timer_last_tickcount) * 0.001F;
2938 midend_timer(fe->me, elapsed);
2939 fe->timer_last_tickcount = now;
2940 }
2941 return 0;
2942 case WM_SIZING:
2943 {
2944 RECT *sr = (RECT *)lParam;
2945 int wx, wy;
2946 bool isedge = false;
2947
2948 if (wParam == WMSZ_TOP ||
2949 wParam == WMSZ_RIGHT ||
2950 wParam == WMSZ_BOTTOM ||
2951 wParam == WMSZ_LEFT) isedge = true;
2952 adjust_game_size(fe, sr, isedge, &wx, &wy);
2953
2954 /* Given the window size the puzzles constrain
2955 * us to, work out which edge we should be moving. */
2956 if (wParam == WMSZ_TOP ||
2957 wParam == WMSZ_TOPLEFT ||
2958 wParam == WMSZ_TOPRIGHT) {
2959 sr->top = sr->bottom - wy;
2960 } else {
2961 sr->bottom = sr->top + wy;
2962 }
2963 if (wParam == WMSZ_LEFT ||
2964 wParam == WMSZ_TOPLEFT ||
2965 wParam == WMSZ_BOTTOMLEFT) {
2966 sr->left = sr->right - wx;
2967 } else {
2968 sr->right = sr->left + wx;
2969 }
2970 return true;
2971 }
2972 break;
2973 }
2974
2975 return DefWindowProc(hwnd, message, wParam, lParam);
2976 }
2977
2978 /*
2979 * Split a complete command line into argc/argv, attempting to do it
2980 * exactly the same way the Visual Studio C library would do it (so
2981 * that our console utilities, which receive argc and argv already
2982 * broken apart by the C library, will have their command lines
2983 * processed in the same way as the GUI utilities which get a whole
2984 * command line and must call this function).
2985 *
2986 * Does not modify the input command line.
2987 *
2988 * The final parameter (argstart) is used to return a second array
2989 * of char * pointers, the same length as argv, each one pointing
2990 * at the start of the corresponding element of argv in the
2991 * original command line. So if you get half way through processing
2992 * your command line in argc/argv form and then decide you want to
2993 * treat the rest as a raw string, you can. If you don't want to,
2994 * `argstart' can be safely left NULL.
2995 */
split_into_argv(char * cmdline,int * argc,char *** argv,char *** argstart)2996 void split_into_argv(char *cmdline, int *argc, char ***argv,
2997 char ***argstart)
2998 {
2999 char *p;
3000 char *outputline, *q;
3001 char **outputargv, **outputargstart;
3002 int outputargc;
3003
3004 /*
3005 * These argument-breaking rules apply to Visual Studio 7, which
3006 * is currently the compiler expected to be used for the Windows
3007 * port of my puzzles. Visual Studio 10 has different rules,
3008 * lacking the curious mod 3 behaviour of consecutive quotes
3009 * described below; I presume they fixed a bug. As and when we
3010 * migrate to a newer compiler, we'll have to adjust this to
3011 * match; however, for the moment we faithfully imitate in our GUI
3012 * utilities what our CLI utilities can't be prevented from doing.
3013 *
3014 * When I investigated this, at first glance the rules appeared to
3015 * be:
3016 *
3017 * - Single quotes are not special characters.
3018 *
3019 * - Double quotes are removed, but within them spaces cease
3020 * to be special.
3021 *
3022 * - Backslashes are _only_ special when a sequence of them
3023 * appear just before a double quote. In this situation,
3024 * they are treated like C backslashes: so \" just gives a
3025 * literal quote, \\" gives a literal backslash and then
3026 * opens or closes a double-quoted segment, \\\" gives a
3027 * literal backslash and then a literal quote, \\\\" gives
3028 * two literal backslashes and then opens/closes a
3029 * double-quoted segment, and so forth. Note that this
3030 * behaviour is identical inside and outside double quotes.
3031 *
3032 * - Two successive double quotes become one literal double
3033 * quote, but only _inside_ a double-quoted segment.
3034 * Outside, they just form an empty double-quoted segment
3035 * (which may cause an empty argument word).
3036 *
3037 * - That only leaves the interesting question of what happens
3038 * when one or more backslashes precedes two or more double
3039 * quotes, starting inside a double-quoted string. And the
3040 * answer to that appears somewhat bizarre. Here I tabulate
3041 * number of backslashes (across the top) against number of
3042 * quotes (down the left), and indicate how many backslashes
3043 * are output, how many quotes are output, and whether a
3044 * quoted segment is open at the end of the sequence:
3045 *
3046 * backslashes
3047 *
3048 * 0 1 2 3 4
3049 *
3050 * 0 0,0,y | 1,0,y 2,0,y 3,0,y 4,0,y
3051 * --------+-----------------------------
3052 * 1 0,0,n | 0,1,y 1,0,n 1,1,y 2,0,n
3053 * q 2 0,1,n | 0,1,n 1,1,n 1,1,n 2,1,n
3054 * u 3 0,1,y | 0,2,n 1,1,y 1,2,n 2,1,y
3055 * o 4 0,1,n | 0,2,y 1,1,n 1,2,y 2,1,n
3056 * t 5 0,2,n | 0,2,n 1,2,n 1,2,n 2,2,n
3057 * e 6 0,2,y | 0,3,n 1,2,y 1,3,n 2,2,y
3058 * s 7 0,2,n | 0,3,y 1,2,n 1,3,y 2,2,n
3059 * 8 0,3,n | 0,3,n 1,3,n 1,3,n 2,3,n
3060 * 9 0,3,y | 0,4,n 1,3,y 1,4,n 2,3,y
3061 * 10 0,3,n | 0,4,y 1,3,n 1,4,y 2,3,n
3062 * 11 0,4,n | 0,4,n 1,4,n 1,4,n 2,4,n
3063 *
3064 *
3065 * [Test fragment was of the form "a\\\"""b c" d.]
3066 *
3067 * There is very weird mod-3 behaviour going on here in the
3068 * number of quotes, and it even applies when there aren't any
3069 * backslashes! How ghastly.
3070 *
3071 * With a bit of thought, this extremely odd diagram suddenly
3072 * coalesced itself into a coherent, if still ghastly, model of
3073 * how things work:
3074 *
3075 * - As before, backslashes are only special when one or more
3076 * of them appear contiguously before at least one double
3077 * quote. In this situation the backslashes do exactly what
3078 * you'd expect: each one quotes the next thing in front of
3079 * it, so you end up with n/2 literal backslashes (if n is
3080 * even) or (n-1)/2 literal backslashes and a literal quote
3081 * (if n is odd). In the latter case the double quote
3082 * character right after the backslashes is used up.
3083 *
3084 * - After that, any remaining double quotes are processed. A
3085 * string of contiguous unescaped double quotes has a mod-3
3086 * behaviour:
3087 *
3088 * * inside a quoted segment, a quote ends the segment.
3089 * * _immediately_ after ending a quoted segment, a quote
3090 * simply produces a literal quote.
3091 * * otherwise, outside a quoted segment, a quote begins a
3092 * quoted segment.
3093 *
3094 * So, for example, if we started inside a quoted segment
3095 * then two contiguous quotes would close the segment and
3096 * produce a literal quote; three would close the segment,
3097 * produce a literal quote, and open a new segment. If we
3098 * started outside a quoted segment, then two contiguous
3099 * quotes would open and then close a segment, producing no
3100 * output (but potentially creating a zero-length argument);
3101 * but three quotes would open and close a segment and then
3102 * produce a literal quote.
3103 */
3104
3105 /*
3106 * First deal with the simplest of all special cases: if there
3107 * aren't any arguments, return 0,NULL,NULL.
3108 */
3109 while (*cmdline && isspace(*cmdline)) cmdline++;
3110 if (!*cmdline) {
3111 if (argc) *argc = 0;
3112 if (argv) *argv = NULL;
3113 if (argstart) *argstart = NULL;
3114 return;
3115 }
3116
3117 /*
3118 * This will guaranteeably be big enough; we can realloc it
3119 * down later.
3120 */
3121 outputline = snewn(1+strlen(cmdline), char);
3122 outputargv = snewn(strlen(cmdline)+1 / 2, char *);
3123 outputargstart = snewn(strlen(cmdline)+1 / 2, char *);
3124
3125 p = cmdline; q = outputline; outputargc = 0;
3126
3127 while (*p) {
3128 bool quote;
3129
3130 /* Skip whitespace searching for start of argument. */
3131 while (*p && isspace(*p)) p++;
3132 if (!*p) break;
3133
3134 /* We have an argument; start it. */
3135 outputargv[outputargc] = q;
3136 outputargstart[outputargc] = p;
3137 outputargc++;
3138 quote = false;
3139
3140 /* Copy data into the argument until it's finished. */
3141 while (*p) {
3142 if (!quote && isspace(*p))
3143 break; /* argument is finished */
3144
3145 if (*p == '"' || *p == '\\') {
3146 /*
3147 * We have a sequence of zero or more backslashes
3148 * followed by a sequence of zero or more quotes.
3149 * Count up how many of each, and then deal with
3150 * them as appropriate.
3151 */
3152 int i, slashes = 0, quotes = 0;
3153 while (*p == '\\') slashes++, p++;
3154 while (*p == '"') quotes++, p++;
3155
3156 if (!quotes) {
3157 /*
3158 * Special case: if there are no quotes,
3159 * slashes are not special at all, so just copy
3160 * n slashes to the output string.
3161 */
3162 while (slashes--) *q++ = '\\';
3163 } else {
3164 /* Slashes annihilate in pairs. */
3165 while (slashes >= 2) slashes -= 2, *q++ = '\\';
3166
3167 /* One remaining slash takes out the first quote. */
3168 if (slashes) quotes--, *q++ = '"';
3169
3170 if (quotes > 0) {
3171 /* Outside a quote segment, a quote starts one. */
3172 if (!quote) quotes--, quote = true;
3173
3174 /* Now we produce (n+1)/3 literal quotes... */
3175 for (i = 3; i <= quotes+1; i += 3) *q++ = '"';
3176
3177 /* ... and end in a quote segment iff 3 divides n. */
3178 quote = (quotes % 3 == 0);
3179 }
3180 }
3181 } else {
3182 *q++ = *p++;
3183 }
3184 }
3185
3186 /* At the end of an argument, just append a trailing NUL. */
3187 *q++ = '\0';
3188 }
3189
3190 outputargv = sresize(outputargv, outputargc, char *);
3191 outputargstart = sresize(outputargstart, outputargc, char *);
3192
3193 if (argc) *argc = outputargc;
3194 if (argv) *argv = outputargv; else sfree(outputargv);
3195 if (argstart) *argstart = outputargstart; else sfree(outputargstart);
3196 }
3197
WinMain(HINSTANCE inst,HINSTANCE prev,LPSTR cmdline,int show)3198 int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
3199 {
3200 MSG msg;
3201 char *error = NULL;
3202 const game *gg;
3203 frontend *fe;
3204 midend *me;
3205 int argc;
3206 char **argv;
3207
3208 split_into_argv(cmdline, &argc, &argv, NULL);
3209
3210 InitCommonControls();
3211
3212 if (!prev) {
3213 WNDCLASS wndclass;
3214
3215 wndclass.style = 0;
3216 wndclass.lpfnWndProc = WndProc;
3217 wndclass.cbClsExtra = 0;
3218 wndclass.cbWndExtra = 0;
3219 wndclass.hInstance = inst;
3220 wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(200));
3221 if (!wndclass.hIcon) /* in case resource file is absent */
3222 wndclass.hIcon = LoadIcon(inst, IDI_APPLICATION);
3223 wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
3224 wndclass.hbrBackground = NULL;
3225 wndclass.lpszMenuName = NULL;
3226 wndclass.lpszClassName = CLASSNAME;
3227
3228 RegisterClass(&wndclass);
3229 }
3230
3231 while (*cmdline && isspace((unsigned char)*cmdline))
3232 cmdline++;
3233
3234 init_help();
3235
3236 #ifdef COMBINED
3237 gg = gamelist[0];
3238 if (argc > 0) {
3239 int i;
3240 for (i = 0; i < gamecount; i++) {
3241 const char *p = gamelist[i]->name;
3242 char *q = argv[0];
3243 while (*p && *q) {
3244 if (isspace((unsigned char)*p)) {
3245 while (*q && isspace((unsigned char)*q))
3246 q++;
3247 } else {
3248 if (tolower((unsigned char)*p) !=
3249 tolower((unsigned char)*q))
3250 break;
3251 q++;
3252 }
3253 p++;
3254 }
3255 if (!*p) {
3256 gg = gamelist[i];
3257 --argc;
3258 ++argv;
3259 break;
3260 }
3261 }
3262 }
3263 #else
3264 gg = &thegame;
3265 #endif
3266
3267 fe = frontend_new(inst);
3268 me = midend_for_new_game(fe, gg, argc > 0 ? argv[0] : NULL,
3269 true, true, &error);
3270 if (!me) {
3271 char buf[128];
3272 #ifdef COMBINED
3273 sprintf(buf, "Puzzles Error");
3274 #else
3275 sprintf(buf, "%.100s Error", gg->name);
3276 #endif
3277 MessageBox(NULL, error, buf, MB_OK|MB_ICONERROR);
3278 sfree(error);
3279 return 1;
3280 }
3281 fe_set_midend(fe, me);
3282 show_window(fe);
3283
3284 while (GetMessage(&msg, NULL, 0, 0)) {
3285 DispatchMessage(&msg);
3286 }
3287
3288 DestroyWindow(fe->hwnd);
3289 cleanup_help();
3290
3291 return msg.wParam;
3292 }
3293 /* vim: set shiftwidth=4 tabstop=8: */
3294