X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/720a8fb73f1ec4860da71afb8cf0d18bfddf7691..95c76d7c0c76081ab4f389aa1bb7667ee08c99eb:/windows.c diff --git a/windows.c b/windows.c index 9365c14..0185f01 100644 --- a/windows.c +++ b/windows.c @@ -1,3 +1,2488 @@ /* * windows.c: Windows front end for my puzzle collection. */ + +#include +#include +#ifndef NO_HTMLHELP +#include +#endif /* NO_HTMLHELP */ + +#include +#include +#include +#include +#include +#include +#include + +#include "puzzles.h" + +#define IDM_NEW 0x0010 +#define IDM_RESTART 0x0020 +#define IDM_UNDO 0x0030 +#define IDM_REDO 0x0040 +#define IDM_COPY 0x0050 +#define IDM_SOLVE 0x0060 +#define IDM_QUIT 0x0070 +#define IDM_CONFIG 0x0080 +#define IDM_DESC 0x0090 +#define IDM_SEED 0x00A0 +#define IDM_HELPC 0x00B0 +#define IDM_GAMEHELP 0x00C0 +#define IDM_ABOUT 0x00D0 +#define IDM_SAVE 0x00E0 +#define IDM_LOAD 0x00F0 +#define IDM_PRINT 0x0100 +#define IDM_PRESETS 0x0110 + +#define HELP_FILE_NAME "puzzles.hlp" +#define HELP_CNT_NAME "puzzles.cnt" +#ifndef NO_HTMLHELP +#define CHM_FILE_NAME "puzzles.chm" +#endif /* NO_HTMLHELP */ + +#ifndef NO_HTMLHELP +typedef HWND (CALLBACK *htmlhelp_t)(HWND, LPCSTR, UINT, DWORD); +static DWORD html_help_cookie; +static htmlhelp_t htmlhelp; +static HINSTANCE hh_dll; +#endif /* NO_HTMLHELP */ +enum { NONE, HLP, CHM } help_type; +char *help_path; +const char *help_topic; +int help_has_contents; + +#ifdef DEBUGGING +static FILE *debug_fp = NULL; +static HANDLE debug_hdl = INVALID_HANDLE_VALUE; +static int debug_got_console = 0; + +void dputs(char *buf) +{ + DWORD dw; + + if (!debug_got_console) { + if (AllocConsole()) { + debug_got_console = 1; + debug_hdl = GetStdHandle(STD_OUTPUT_HANDLE); + } + } + if (!debug_fp) { + debug_fp = fopen("debug.log", "w"); + } + + if (debug_hdl != INVALID_HANDLE_VALUE) { + WriteFile(debug_hdl, buf, strlen(buf), &dw, NULL); + } + fputs(buf, debug_fp); + fflush(debug_fp); +} + +void debug_printf(char *fmt, ...) +{ + char buf[4096]; + va_list ap; + + va_start(ap, fmt); + vsprintf(buf, fmt, ap); + dputs(buf); + va_end(ap); +} +#endif + +#define WINFLAGS (WS_OVERLAPPEDWINDOW &~ \ + (WS_THICKFRAME | WS_MAXIMIZEBOX | WS_OVERLAPPED)) + +static void new_game_size(frontend *fe); + +struct font { + HFONT font; + int type; + int size; +}; + +struct cfg_aux { + int ctlid; +}; + +struct blitter { + HBITMAP bitmap; + frontend *fe; + int x, y, w, h; +}; + +enum { CFG_PRINT = CFG_FRONTEND_SPECIFIC }; + +struct frontend { + midend *me; + HWND hwnd, statusbar, cfgbox; + HINSTANCE inst; + HBITMAP bitmap, prevbm; + HDC hdc; + COLORREF *colours; + HBRUSH *brushes; + HPEN *pens; + HRGN clip; + UINT timer; + DWORD timer_last_tickcount; + int npresets; + game_params **presets; + struct font *fonts; + int nfonts, fontsize; + config_item *cfg; + struct cfg_aux *cfgaux; + int cfg_which, dlg_done; + HFONT cfgfont; + HBRUSH oldbr; + HPEN oldpen; + int help_running; + enum { DRAWING, PRINTING, NOTHING } drawstatus; + DOCINFO di; + int printcount, printw, printh, printsolns, printcurr, printcolour; + float printscale; + int printoffsetx, printoffsety; + float printpixelscale; + int fontstart; + int linewidth; + drawing *dr; +}; + +void fatal(char *fmt, ...) +{ + char buf[2048]; + va_list ap; + + va_start(ap, fmt); + vsprintf(buf, fmt, ap); + va_end(ap); + + MessageBox(NULL, buf, "Fatal error", MB_ICONEXCLAMATION | MB_OK); + + exit(1); +} + +char *geterrstr(void) +{ + LPVOID lpMsgBuf; + DWORD dw = GetLastError(); + char *ret; + + FormatMessage( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM, + NULL, + dw, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), + (LPTSTR) &lpMsgBuf, + 0, NULL ); + + ret = dupstr(lpMsgBuf); + + LocalFree(lpMsgBuf); + + return ret; +} + +void get_random_seed(void **randseed, int *randseedsize) +{ + time_t *tp = snew(time_t); + time(tp); + *randseed = (void *)tp; + *randseedsize = sizeof(time_t); +} + +static void win_status_bar(void *handle, char *text) +{ + frontend *fe = (frontend *)handle; + + SetWindowText(fe->statusbar, text); +} + +static blitter *win_blitter_new(void *handle, int w, int h) +{ + blitter *bl = snew(blitter); + + memset(bl, 0, sizeof(blitter)); + bl->w = w; + bl->h = h; + bl->bitmap = 0; + + return bl; +} + +static void win_blitter_free(void *handle, blitter *bl) +{ + if (bl->bitmap) DeleteObject(bl->bitmap); + sfree(bl); +} + +static void blitter_mkbitmap(frontend *fe, blitter *bl) +{ + HDC hdc = GetDC(fe->hwnd); + bl->bitmap = CreateCompatibleBitmap(hdc, bl->w, bl->h); + ReleaseDC(fe->hwnd, hdc); +} + +/* BitBlt(dstDC, dstX, dstY, dstW, dstH, srcDC, srcX, srcY, dType) */ + +static void win_blitter_save(void *handle, blitter *bl, int x, int y) +{ + frontend *fe = (frontend *)handle; + HDC hdc_win, hdc_blit; + HBITMAP prev_blit; + + assert(fe->drawstatus == DRAWING); + + if (!bl->bitmap) blitter_mkbitmap(fe, bl); + + bl->x = x; bl->y = y; + + hdc_win = GetDC(fe->hwnd); + hdc_blit = CreateCompatibleDC(hdc_win); + if (!hdc_blit) fatal("hdc_blit failed: 0x%x", GetLastError()); + + prev_blit = SelectObject(hdc_blit, bl->bitmap); + if (prev_blit == NULL || prev_blit == HGDI_ERROR) + fatal("SelectObject for hdc_main failed: 0x%x", GetLastError()); + + if (!BitBlt(hdc_blit, 0, 0, bl->w, bl->h, + fe->hdc, x, y, SRCCOPY)) + fatal("BitBlt failed: 0x%x", GetLastError()); + + SelectObject(hdc_blit, prev_blit); + DeleteDC(hdc_blit); + ReleaseDC(fe->hwnd, hdc_win); +} + +static void win_blitter_load(void *handle, blitter *bl, int x, int y) +{ + frontend *fe = (frontend *)handle; + HDC hdc_win, hdc_blit; + HBITMAP prev_blit; + + assert(fe->drawstatus == DRAWING); + + assert(bl->bitmap); /* we should always have saved before loading */ + + if (x == BLITTER_FROMSAVED) x = bl->x; + if (y == BLITTER_FROMSAVED) y = bl->y; + + hdc_win = GetDC(fe->hwnd); + hdc_blit = CreateCompatibleDC(hdc_win); + + prev_blit = SelectObject(hdc_blit, bl->bitmap); + + BitBlt(fe->hdc, x, y, bl->w, bl->h, + hdc_blit, 0, 0, SRCCOPY); + + SelectObject(hdc_blit, prev_blit); + DeleteDC(hdc_blit); + ReleaseDC(fe->hwnd, hdc_win); +} + +void frontend_default_colour(frontend *fe, float *output) +{ + DWORD c = GetSysColor(COLOR_MENU); /* ick */ + + output[0] = (float)(GetRValue(c) / 255.0); + output[1] = (float)(GetGValue(c) / 255.0); + output[2] = (float)(GetBValue(c) / 255.0); +} + +static POINT win_transform_point(frontend *fe, int x, int y) +{ + POINT ret; + + assert(fe->drawstatus != NOTHING); + + if (fe->drawstatus == PRINTING) { + ret.x = (int)(fe->printoffsetx + fe->printpixelscale * x); + ret.y = (int)(fe->printoffsety + fe->printpixelscale * y); + } else { + ret.x = x; + ret.y = y; + } + + return ret; +} + +static void win_text_colour(frontend *fe, int colour) +{ + assert(fe->drawstatus != NOTHING); + + if (fe->drawstatus == PRINTING) { + int hatch; + float r, g, b; + print_get_colour(fe->dr, colour, &hatch, &r, &g, &b); + if (fe->printcolour) + SetTextColor(fe->hdc, RGB(r * 255, g * 255, b * 255)); + else + SetTextColor(fe->hdc, + hatch == HATCH_CLEAR ? RGB(255,255,255) : RGB(0,0,0)); + } else { + SetTextColor(fe->hdc, fe->colours[colour]); + } +} + +static void win_set_brush(frontend *fe, int colour) +{ + HBRUSH br; + assert(fe->drawstatus != NOTHING); + + if (fe->drawstatus == PRINTING) { + int hatch; + float r, g, b; + print_get_colour(fe->dr, colour, &hatch, &r, &g, &b); + + if (fe->printcolour) + br = CreateSolidBrush(RGB(r * 255, g * 255, b * 255)); + else if (hatch == HATCH_SOLID) + br = CreateSolidBrush(RGB(0,0,0)); + else if (hatch == HATCH_CLEAR) + br = CreateSolidBrush(RGB(255,255,255)); + else + br = CreateHatchBrush(hatch == HATCH_BACKSLASH ? HS_FDIAGONAL : + hatch == HATCH_SLASH ? HS_BDIAGONAL : + hatch == HATCH_HORIZ ? HS_HORIZONTAL : + hatch == HATCH_VERT ? HS_VERTICAL : + hatch == HATCH_PLUS ? HS_CROSS : + /* hatch == HATCH_X ? */ HS_DIAGCROSS, + RGB(0,0,0)); + } else { + br = fe->brushes[colour]; + } + fe->oldbr = SelectObject(fe->hdc, br); +} + +static void win_reset_brush(frontend *fe) +{ + HBRUSH br; + + assert(fe->drawstatus != NOTHING); + + br = SelectObject(fe->hdc, fe->oldbr); + if (fe->drawstatus == PRINTING) + DeleteObject(br); +} + +static void win_set_pen(frontend *fe, int colour, int thin) +{ + HPEN pen; + assert(fe->drawstatus != NOTHING); + + if (fe->drawstatus == PRINTING) { + int hatch; + float r, g, b; + int width = thin ? 0 : fe->linewidth; + + print_get_colour(fe->dr, colour, &hatch, &r, &g, &b); + if (fe->printcolour) + pen = CreatePen(PS_SOLID, width, + RGB(r * 255, g * 255, b * 255)); + else if (hatch == HATCH_SOLID) + pen = CreatePen(PS_SOLID, width, RGB(0, 0, 0)); + else if (hatch == HATCH_CLEAR) + pen = CreatePen(PS_SOLID, width, RGB(255,255,255)); + else { + assert(!"This shouldn't happen"); + pen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0)); + } + } else { + pen = fe->pens[colour]; + } + fe->oldpen = SelectObject(fe->hdc, pen); +} + +static void win_reset_pen(frontend *fe) +{ + HPEN pen; + + assert(fe->drawstatus != NOTHING); + + pen = SelectObject(fe->hdc, fe->oldpen); + if (fe->drawstatus == PRINTING) + DeleteObject(pen); +} + +static void win_clip(void *handle, int x, int y, int w, int h) +{ + frontend *fe = (frontend *)handle; + POINT p, q; + + if (fe->drawstatus == NOTHING) + return; + + p = win_transform_point(fe, x, y); + q = win_transform_point(fe, x+w, y+h); + IntersectClipRect(fe->hdc, p.x, p.y, q.x, q.y); +} + +static void win_unclip(void *handle) +{ + frontend *fe = (frontend *)handle; + + if (fe->drawstatus == NOTHING) + return; + + SelectClipRgn(fe->hdc, NULL); +} + +static void win_draw_text(void *handle, int x, int y, int fonttype, + int fontsize, int align, int colour, char *text) +{ + frontend *fe = (frontend *)handle; + POINT xy; + int i; + + if (fe->drawstatus == NOTHING) + return; + + if (fe->drawstatus == PRINTING) + fontsize = (int)(fontsize * fe->printpixelscale); + + xy = win_transform_point(fe, x, y); + + /* + * Find or create the font. + */ + for (i = fe->fontstart; i < fe->nfonts; i++) + if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize) + break; + + if (i == fe->nfonts) { + if (fe->fontsize <= fe->nfonts) { + fe->fontsize = fe->nfonts + 10; + fe->fonts = sresize(fe->fonts, fe->fontsize, struct font); + } + + fe->nfonts++; + + fe->fonts[i].type = fonttype; + fe->fonts[i].size = fontsize; + + fe->fonts[i].font = CreateFont(-fontsize, 0, 0, 0, + fe->drawstatus == PRINTING ? 0 : FW_BOLD, + FALSE, FALSE, FALSE, DEFAULT_CHARSET, + OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, + DEFAULT_QUALITY, + (fonttype == FONT_FIXED ? + FIXED_PITCH | FF_DONTCARE : + VARIABLE_PITCH | FF_SWISS), + NULL); + } + + /* + * Position and draw the text. + */ + { + HFONT oldfont; + TEXTMETRIC tm; + SIZE size; + + oldfont = SelectObject(fe->hdc, fe->fonts[i].font); + if (GetTextMetrics(fe->hdc, &tm)) { + if (align & ALIGN_VCENTRE) + xy.y -= (tm.tmAscent+tm.tmDescent)/2; + else + xy.y -= tm.tmAscent; + } + if (GetTextExtentPoint32(fe->hdc, text, strlen(text), &size)) { + if (align & ALIGN_HCENTRE) + xy.x -= size.cx / 2; + else if (align & ALIGN_HRIGHT) + xy.x -= size.cx; + } + SetBkMode(fe->hdc, TRANSPARENT); + win_text_colour(fe, colour); + TextOut(fe->hdc, xy.x, xy.y, text, strlen(text)); + SelectObject(fe->hdc, oldfont); + } +} + +static void win_draw_rect(void *handle, int x, int y, int w, int h, int colour) +{ + frontend *fe = (frontend *)handle; + POINT p, q; + + if (fe->drawstatus == NOTHING) + return; + + if (fe->drawstatus == DRAWING && w == 1 && h == 1) { + /* + * Rectangle() appears to get uppity if asked to draw a 1x1 + * rectangle, presumably on the grounds that that's beneath + * its dignity and you ought to be using SetPixel instead. + * So I will. + */ + SetPixel(fe->hdc, x, y, fe->colours[colour]); + } else { + win_set_brush(fe, colour); + win_set_pen(fe, colour, TRUE); + p = win_transform_point(fe, x, y); + q = win_transform_point(fe, x+w, y+h); + Rectangle(fe->hdc, p.x, p.y, q.x, q.y); + win_reset_brush(fe); + win_reset_pen(fe); + } +} + +static void win_draw_line(void *handle, int x1, int y1, int x2, int y2, int colour) +{ + frontend *fe = (frontend *)handle; + POINT p, q; + + if (fe->drawstatus == NOTHING) + return; + + win_set_pen(fe, colour, FALSE); + p = win_transform_point(fe, x1, y1); + q = win_transform_point(fe, x2, y2); + MoveToEx(fe->hdc, p.x, p.y, NULL); + LineTo(fe->hdc, q.x, q.y); + if (fe->drawstatus == DRAWING) + SetPixel(fe->hdc, q.x, q.y, fe->colours[colour]); + win_reset_pen(fe); +} + +static void win_draw_circle(void *handle, int cx, int cy, int radius, + int fillcolour, int outlinecolour) +{ + frontend *fe = (frontend *)handle; + POINT p, q, r; + + assert(outlinecolour >= 0); + + if (fe->drawstatus == NOTHING) + return; + + if (fillcolour >= 0) { + win_set_brush(fe, fillcolour); + win_set_pen(fe, outlinecolour, FALSE); + p = win_transform_point(fe, cx - radius, cy - radius); + q = win_transform_point(fe, cx + radius, cy + radius); + Ellipse(fe->hdc, p.x, p.y, q.x+1, q.y+1); + win_reset_brush(fe); + win_reset_pen(fe); + } else { + win_set_pen(fe, outlinecolour, FALSE); + p = win_transform_point(fe, cx - radius, cy - radius); + q = win_transform_point(fe, cx + radius, cy + radius); + r = win_transform_point(fe, cx - radius, cy); + Arc(fe->hdc, p.x, p.y, q.x+1, q.y+1, r.x, r.y, r.x, r.y); + win_reset_pen(fe); + } +} + +static void win_draw_polygon(void *handle, int *coords, int npoints, + int fillcolour, int outlinecolour) +{ + frontend *fe = (frontend *)handle; + POINT *pts; + int i; + + if (fe->drawstatus == NOTHING) + return; + + pts = snewn(npoints+1, POINT); + + for (i = 0; i <= npoints; i++) { + int j = (i < npoints ? i : 0); + pts[i] = win_transform_point(fe, coords[j*2], coords[j*2+1]); + } + + assert(outlinecolour >= 0); + + if (fillcolour >= 0) { + win_set_brush(fe, fillcolour); + win_set_pen(fe, outlinecolour, FALSE); + Polygon(fe->hdc, pts, npoints); + win_reset_brush(fe); + win_reset_pen(fe); + } else { + win_set_pen(fe, outlinecolour, FALSE); + Polyline(fe->hdc, pts, npoints+1); + win_reset_pen(fe); + } + + sfree(pts); +} + +static void win_start_draw(void *handle) +{ + frontend *fe = (frontend *)handle; + HDC hdc_win; + + assert(fe->drawstatus == NOTHING); + + hdc_win = GetDC(fe->hwnd); + fe->hdc = CreateCompatibleDC(hdc_win); + fe->prevbm = SelectObject(fe->hdc, fe->bitmap); + ReleaseDC(fe->hwnd, hdc_win); + fe->clip = NULL; + SetMapMode(fe->hdc, MM_TEXT); + fe->drawstatus = DRAWING; +} + +static void win_draw_update(void *handle, int x, int y, int w, int h) +{ + frontend *fe = (frontend *)handle; + RECT r; + + if (fe->drawstatus != DRAWING) + return; + + r.left = x; + r.top = y; + r.right = x + w; + r.bottom = y + h; + + InvalidateRect(fe->hwnd, &r, FALSE); +} + +static void win_end_draw(void *handle) +{ + frontend *fe = (frontend *)handle; + assert(fe->drawstatus == DRAWING); + SelectObject(fe->hdc, fe->prevbm); + DeleteDC(fe->hdc); + if (fe->clip) { + DeleteObject(fe->clip); + fe->clip = NULL; + } + fe->drawstatus = NOTHING; +} + +static void win_line_width(void *handle, float width) +{ + frontend *fe = (frontend *)handle; + + assert(fe->drawstatus != DRAWING); + if (fe->drawstatus == NOTHING) + return; + + fe->linewidth = (int)(width * fe->printpixelscale); +} + +static void win_begin_doc(void *handle, int pages) +{ + frontend *fe = (frontend *)handle; + + assert(fe->drawstatus != DRAWING); + if (fe->drawstatus == NOTHING) + return; + + if (StartDoc(fe->hdc, &fe->di) <= 0) { + char *e = geterrstr(); + MessageBox(fe->hwnd, e, "Error starting to print", + MB_ICONERROR | MB_OK); + sfree(e); + fe->drawstatus = NOTHING; + } + + /* + * Push a marker on the font stack so that we won't use the + * same fonts for printing and drawing. (This is because + * drawing seems to look generally better in bold, but printing + * is better not in bold.) + */ + fe->fontstart = fe->nfonts; +} + +static void win_begin_page(void *handle, int number) +{ + frontend *fe = (frontend *)handle; + + assert(fe->drawstatus != DRAWING); + if (fe->drawstatus == NOTHING) + return; + + if (StartPage(fe->hdc) <= 0) { + char *e = geterrstr(); + MessageBox(fe->hwnd, e, "Error starting a page", + MB_ICONERROR | MB_OK); + sfree(e); + fe->drawstatus = NOTHING; + } +} + +static void win_begin_puzzle(void *handle, float xm, float xc, + float ym, float yc, int pw, int ph, float wmm) +{ + frontend *fe = (frontend *)handle; + int ppw, pph, pox, poy; + float mmpw, mmph, mmox, mmoy; + float scale; + + assert(fe->drawstatus != DRAWING); + if (fe->drawstatus == NOTHING) + return; + + ppw = GetDeviceCaps(fe->hdc, HORZRES); + pph = GetDeviceCaps(fe->hdc, VERTRES); + mmpw = (float)GetDeviceCaps(fe->hdc, HORZSIZE); + mmph = (float)GetDeviceCaps(fe->hdc, VERTSIZE); + + /* + * Compute the puzzle's position on the logical page. + */ + mmox = xm * mmpw + xc; + mmoy = ym * mmph + yc; + + /* + * Work out what that comes to in pixels. + */ + pox = (int)(mmox * (float)ppw / mmpw); + poy = (int)(mmoy * (float)ppw / mmpw); + + /* + * And determine the scale. + * + * I need a scale such that the maximum puzzle-coordinate + * extent of the rectangle (pw * scale) is equal to the pixel + * equivalent of the puzzle's millimetre width (wmm * ppw / + * mmpw). + */ + scale = (wmm * ppw) / (mmpw * pw); + + /* + * Now store pox, poy and scale for use in the main drawing + * functions. + */ + fe->printoffsetx = pox; + fe->printoffsety = poy; + fe->printpixelscale = scale; + + fe->linewidth = 1; +} + +static void win_end_puzzle(void *handle) +{ + /* Nothing needs to be done here. */ +} + +static void win_end_page(void *handle, int number) +{ + frontend *fe = (frontend *)handle; + + assert(fe->drawstatus != DRAWING); + + if (fe->drawstatus == NOTHING) + return; + + if (EndPage(fe->hdc) <= 0) { + char *e = geterrstr(); + MessageBox(fe->hwnd, e, "Error finishing a page", + MB_ICONERROR | MB_OK); + sfree(e); + fe->drawstatus = NOTHING; + } +} + +static void win_end_doc(void *handle) +{ + frontend *fe = (frontend *)handle; + + assert(fe->drawstatus != DRAWING); + + /* + * Free all the fonts created since we began printing. + */ + while (fe->nfonts > fe->fontstart) { + fe->nfonts--; + DeleteObject(fe->fonts[fe->nfonts].font); + } + fe->fontstart = 0; + + /* + * The MSDN web site sample code doesn't bother to call EndDoc + * if an error occurs half way through printing. I expect doing + * so would cause the erroneous document to actually be + * printed, or something equally undesirable. + */ + if (fe->drawstatus == NOTHING) + return; + + if (EndDoc(fe->hdc) <= 0) { + char *e = geterrstr(); + MessageBox(fe->hwnd, e, "Error finishing printing", + MB_ICONERROR | MB_OK); + sfree(e); + fe->drawstatus = NOTHING; + } +} + +const struct drawing_api win_drawing = { + win_draw_text, + win_draw_rect, + win_draw_line, + win_draw_polygon, + win_draw_circle, + win_draw_update, + win_clip, + win_unclip, + win_start_draw, + win_end_draw, + win_status_bar, + win_blitter_new, + win_blitter_free, + win_blitter_save, + win_blitter_load, + win_begin_doc, + win_begin_page, + win_begin_puzzle, + win_end_puzzle, + win_end_page, + win_end_doc, + win_line_width, +}; + +void print(frontend *fe) +{ + PRINTDLG pd; + char doctitle[256]; + document *doc; + midend *nme = NULL; /* non-interactive midend for bulk puzzle generation */ + int i; + char *err = NULL; + + /* + * Create our document structure and fill it up with puzzles. + */ + doc = document_new(fe->printw, fe->printh, fe->printscale / 100.0F); + for (i = 0; i < fe->printcount; i++) { + if (i == 0 && fe->printcurr) { + err = midend_print_puzzle(fe->me, doc, fe->printsolns); + } else { + if (!nme) { + game_params *params; + + nme = midend_new(NULL, &thegame, NULL, NULL); + + /* + * Set the non-interactive mid-end to have the same + * parameters as the standard one. + */ + params = midend_get_params(fe->me); + midend_set_params(nme, params); + thegame.free_params(params); + } + + midend_new_game(nme); + err = midend_print_puzzle(nme, doc, fe->printsolns); + } + if (err) + break; + } + if (nme) + midend_free(nme); + + if (err) { + MessageBox(fe->hwnd, err, "Error preparing puzzles for printing", + MB_ICONERROR | MB_OK); + document_free(doc); + return; + } + + memset(&pd, 0, sizeof(pd)); + pd.lStructSize = sizeof(pd); + pd.hwndOwner = fe->hwnd; + pd.hDevMode = NULL; + pd.hDevNames = NULL; + pd.Flags = PD_USEDEVMODECOPIESANDCOLLATE | PD_RETURNDC | + PD_NOPAGENUMS | PD_NOSELECTION; + pd.nCopies = 1; + pd.nFromPage = pd.nToPage = 0xFFFF; + pd.nMinPage = pd.nMaxPage = 1; + + if (!PrintDlg(&pd)) { + document_free(doc); + return; + } + + /* + * Now pd.hDC is a device context for the printer. + */ + + /* + * FIXME: IWBNI we put up an Abort box here. + */ + + memset(&fe->di, 0, sizeof(fe->di)); + fe->di.cbSize = sizeof(fe->di); + sprintf(doctitle, "Printed puzzles from %s (from Simon Tatham's" + " Portable Puzzle Collection)", thegame.name); + fe->di.lpszDocName = doctitle; + fe->di.lpszOutput = NULL; + fe->di.lpszDatatype = NULL; + fe->di.fwType = 0; + + fe->drawstatus = PRINTING; + fe->hdc = pd.hDC; + + fe->dr = drawing_new(&win_drawing, NULL, fe); + document_print(doc, fe->dr); + drawing_free(fe->dr); + fe->dr = NULL; + + fe->drawstatus = NOTHING; + + DeleteDC(pd.hDC); + document_free(doc); +} + +void deactivate_timer(frontend *fe) +{ + if (!fe) + return; /* for non-interactive midend */ + if (fe->hwnd) KillTimer(fe->hwnd, fe->timer); + fe->timer = 0; +} + +void activate_timer(frontend *fe) +{ + if (!fe) + return; /* for non-interactive midend */ + if (!fe->timer) { + fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL); + fe->timer_last_tickcount = GetTickCount(); + } +} + +void write_clip(HWND hwnd, char *data) +{ + HGLOBAL clipdata; + int len, i, j; + char *data2; + void *lock; + + /* + * Windows expects CRLF in the clipboard, so we must convert + * any \n that has come out of the puzzle backend. + */ + len = 0; + for (i = 0; data[i]; i++) { + if (data[i] == '\n') + len++; + len++; + } + data2 = snewn(len+1, char); + j = 0; + for (i = 0; data[i]; i++) { + if (data[i] == '\n') + data2[j++] = '\r'; + data2[j++] = data[i]; + } + assert(j == len); + data2[j] = '\0'; + + clipdata = GlobalAlloc(GMEM_DDESHARE | GMEM_MOVEABLE, len + 1); + if (!clipdata) + return; + lock = GlobalLock(clipdata); + if (!lock) + return; + memcpy(lock, data2, len); + ((unsigned char *) lock)[len] = 0; + GlobalUnlock(clipdata); + + if (OpenClipboard(hwnd)) { + EmptyClipboard(); + SetClipboardData(CF_TEXT, clipdata); + CloseClipboard(); + } else + GlobalFree(clipdata); + + sfree(data2); +} + +/* + * Set up Help and see if we can find a help file. + */ +static void init_help(void) +{ + char b[2048], *p, *q, *r; + FILE *fp; + + /* + * Find the executable file path, so we can look alongside + * it for help files. Trim the filename off the end. + */ + GetModuleFileName(NULL, b, sizeof(b) - 1); + r = b; + p = strrchr(b, '\\'); + if (p && p >= r) r = p+1; + q = strrchr(b, ':'); + if (q && q >= r) r = q+1; + +#ifndef NO_HTMLHELP + /* + * Try HTML Help first. + */ + strcpy(r, CHM_FILE_NAME); + if ( (fp = fopen(b, "r")) != NULL) { + fclose(fp); + + /* + * We have a .CHM. See if we can use it. + */ + hh_dll = LoadLibrary("hhctrl.ocx"); + if (hh_dll) { + htmlhelp = (htmlhelp_t)GetProcAddress(hh_dll, "HtmlHelpA"); + if (!htmlhelp) + FreeLibrary(hh_dll); + } + if (htmlhelp) { + htmlhelp(NULL, NULL, HH_INITIALIZE, (DWORD)&html_help_cookie); + help_path = dupstr(b); + help_type = CHM; + help_topic = thegame.htmlhelp_topic; + return; + } + } +#endif /* NO_HTMLHELP */ + + /* + * Now try old-style .HLP. + */ + strcpy(r, HELP_FILE_NAME); + if ( (fp = fopen(b, "r")) != NULL) { + fclose(fp); + + help_path = dupstr(b); + help_type = HLP; + + help_topic = thegame.winhelp_topic; + + /* + * See if there's a .CNT file alongside it. + */ + strcpy(r, HELP_CNT_NAME); + if ( (fp = fopen(b, "r")) != NULL) { + fclose(fp); + help_has_contents = TRUE; + } else + help_has_contents = FALSE; + + return; + } + + help_type = NONE; /* didn't find any */ +} + +/* + * Start Help. + */ +static void start_help(frontend *fe, const char *topic) +{ + char *str = NULL; + int cmd; + + switch (help_type) { + case HLP: + assert(help_path); + if (topic) { + str = snewn(10+strlen(topic), char); + sprintf(str, "JI(`',`%s')", topic); + cmd = HELP_COMMAND; + } else if (help_has_contents) { + cmd = HELP_FINDER; + } else { + cmd = HELP_CONTENTS; + } + WinHelp(fe->hwnd, help_path, cmd, (DWORD)str); + fe->help_running = TRUE; + break; + case CHM: +#ifndef NO_HTMLHELP + assert(help_path); + assert(htmlhelp); + if (topic) { + str = snewn(20 + strlen(topic) + strlen(help_path), char); + sprintf(str, "%s::/%s.html>main", help_path, topic); + } else { + str = dupstr(help_path); + } + htmlhelp(fe->hwnd, str, HH_DISPLAY_TOPIC, 0); + fe->help_running = TRUE; + break; +#endif /* NO_HTMLHELP */ + case NONE: + assert(!"This shouldn't happen"); + break; + } + + sfree(str); +} + +/* + * Stop Help on window cleanup. + */ +static void stop_help(frontend *fe) +{ + if (fe->help_running) { + switch (help_type) { + case HLP: + WinHelp(fe->hwnd, help_path, HELP_QUIT, 0); + break; + case CHM: +#ifndef NO_HTMLHELP + assert(htmlhelp); + htmlhelp(NULL, NULL, HH_CLOSE_ALL, 0); + break; +#endif /* NO_HTMLHELP */ + case NONE: + assert(!"This shouldn't happen"); + break; + } + fe->help_running = FALSE; + } +} + +/* + * Terminate Help on process exit. + */ +static void cleanup_help(void) +{ +#ifndef NO_HTMLHELP + if (help_type == CHM) { + assert(htmlhelp); + htmlhelp(NULL, NULL, HH_UNINITIALIZE, html_help_cookie); + } +#endif /* NO_HTMLHELP */ +} + +static void check_window_size(frontend *fe, int *px, int *py) +{ + RECT r; + int x, y, sy; + + if (fe->statusbar) { + RECT sr; + GetWindowRect(fe->statusbar, &sr); + sy = sr.bottom - sr.top; + } else { + sy = 0; + } + + /* + * See if we actually got the window size we wanted, and adjust + * the puzzle size if not. + */ + GetClientRect(fe->hwnd, &r); + x = r.right - r.left; + y = r.bottom - r.top - sy; + midend_size(fe->me, &x, &y, FALSE); + if (x != r.right - r.left || y != r.bottom - r.top) { + /* + * Resize the window, now we know what size we _really_ + * want it to be. + */ + r.left = r.top = 0; + r.right = x; + r.bottom = y + sy; + AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0); + SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left, r.bottom - r.top, + SWP_NOMOVE | SWP_NOZORDER); + } + + if (fe->statusbar) { + GetClientRect(fe->hwnd, &r); + SetWindowPos(fe->statusbar, NULL, 0, r.bottom-r.top-sy, r.right-r.left, + sy, SWP_NOZORDER); + } + + *px = x; + *py = y; +} + +static void get_max_puzzle_size(frontend *fe, int *x, int *y) +{ + RECT r, sr; + + if (SystemParametersInfo(SPI_GETWORKAREA, 0, &sr, FALSE)) { + *x = sr.right - sr.left; + *y = sr.bottom - sr.top; + r.left = 100; + r.right = 200; + r.top = 100; + r.bottom = 200; + AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0); + *x -= r.right - r.left - 100; + *y -= r.bottom - r.top - 100; + } else { + *x = *y = INT_MAX; + } + + if (fe->statusbar != NULL) { + GetWindowRect(fe->statusbar, &sr); + *y -= sr.bottom - sr.top; + } +} + +static frontend *new_window(HINSTANCE inst, char *game_id, char **error) +{ + frontend *fe; + int x, y; + RECT r; + + fe = snew(frontend); + + fe->me = midend_new(fe, &thegame, &win_drawing, fe); + + if (game_id) { + *error = midend_game_id(fe->me, game_id); + if (*error) { + midend_free(fe->me); + sfree(fe); + return NULL; + } + } + + fe->inst = inst; + + fe->timer = 0; + fe->hwnd = NULL; + + fe->help_running = FALSE; + + fe->drawstatus = NOTHING; + fe->dr = NULL; + fe->fontstart = 0; + + midend_new_game(fe->me); + + fe->fonts = NULL; + fe->nfonts = fe->fontsize = 0; + + { + int i, ncolours; + float *colours; + + colours = midend_colours(fe->me, &ncolours); + + fe->colours = snewn(ncolours, COLORREF); + fe->brushes = snewn(ncolours, HBRUSH); + fe->pens = snewn(ncolours, HPEN); + + for (i = 0; i < ncolours; i++) { + fe->colours[i] = RGB(255 * colours[i*3+0], + 255 * colours[i*3+1], + 255 * colours[i*3+2]); + fe->brushes[i] = CreateSolidBrush(fe->colours[i]); + fe->pens[i] = CreatePen(PS_SOLID, 1, fe->colours[i]); + } + sfree(colours); + } + + if (midend_wants_statusbar(fe->me)) { + fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, "ooh", + WS_CHILD | WS_VISIBLE, + 0, 0, 0, 0, /* status bar does these */ + NULL, NULL, inst, NULL); + } else + fe->statusbar = NULL; + + get_max_puzzle_size(fe, &x, &y); + midend_size(fe->me, &x, &y, FALSE); + + r.left = r.top = 0; + r.right = x; + r.bottom = y; + AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0); + + fe->hwnd = CreateWindowEx(0, thegame.name, thegame.name, + WS_OVERLAPPEDWINDOW &~ + (WS_THICKFRAME | WS_MAXIMIZEBOX), + CW_USEDEFAULT, CW_USEDEFAULT, + r.right - r.left, r.bottom - r.top, + NULL, NULL, inst, NULL); + + if (midend_wants_statusbar(fe->me)) { + RECT sr; + DestroyWindow(fe->statusbar); + fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, "ooh", + WS_CHILD | WS_VISIBLE, + 0, 0, 0, 0, /* status bar does these */ + fe->hwnd, NULL, inst, NULL); + /* + * Now resize the window to take account of the status bar. + */ + GetWindowRect(fe->statusbar, &sr); + GetWindowRect(fe->hwnd, &r); + SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left, + r.bottom - r.top + sr.bottom - sr.top, + SWP_NOMOVE | SWP_NOZORDER); + } else { + fe->statusbar = NULL; + } + + { + HMENU bar = CreateMenu(); + HMENU menu = CreateMenu(); + + AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)menu, "Game"); + AppendMenu(menu, MF_ENABLED, IDM_NEW, "New"); + AppendMenu(menu, MF_ENABLED, IDM_RESTART, "Restart"); + AppendMenu(menu, MF_ENABLED, IDM_DESC, "Specific..."); + AppendMenu(menu, MF_ENABLED, IDM_SEED, "Random Seed..."); + + if ((fe->npresets = midend_num_presets(fe->me)) > 0 || + thegame.can_configure) { + HMENU sub = CreateMenu(); + int i; + + AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)sub, "Type"); + + fe->presets = snewn(fe->npresets, game_params *); + + for (i = 0; i < fe->npresets; i++) { + char *name; + + midend_fetch_preset(fe->me, i, &name, &fe->presets[i]); + + /* + * FIXME: we ought to go through and do something + * with ampersands here. + */ + + AppendMenu(sub, MF_ENABLED, IDM_PRESETS + 0x10 * i, name); + } + + if (thegame.can_configure) { + AppendMenu(sub, MF_ENABLED, IDM_CONFIG, "Custom..."); + } + } + + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_LOAD, "Load"); + AppendMenu(menu, MF_ENABLED, IDM_SAVE, "Save"); + AppendMenu(menu, MF_SEPARATOR, 0, 0); + if (thegame.can_print) { + AppendMenu(menu, MF_ENABLED, IDM_PRINT, "Print"); + AppendMenu(menu, MF_SEPARATOR, 0, 0); + } + AppendMenu(menu, MF_ENABLED, IDM_UNDO, "Undo"); + AppendMenu(menu, MF_ENABLED, IDM_REDO, "Redo"); + if (thegame.can_format_as_text) { + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_COPY, "Copy"); + } + if (thegame.can_solve) { + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_SOLVE, "Solve"); + } + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_QUIT, "Exit"); + menu = CreateMenu(); + AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT)menu, "Help"); + AppendMenu(menu, MF_ENABLED, IDM_ABOUT, "About"); + if (help_type != NONE) { + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_HELPC, "Contents"); + if (help_topic) { + char *item; + assert(thegame.name); + item = snewn(9+strlen(thegame.name), char); /*ick*/ + sprintf(item, "Help on %s", thegame.name); + AppendMenu(menu, MF_ENABLED, IDM_GAMEHELP, item); + sfree(item); + } + } + SetMenu(fe->hwnd, bar); + } + + fe->bitmap = NULL; + new_game_size(fe); /* initialises fe->bitmap */ + check_window_size(fe, &x, &y); + + SetWindowLong(fe->hwnd, GWL_USERDATA, (LONG)fe); + + ShowWindow(fe->hwnd, SW_NORMAL); + SetForegroundWindow(fe->hwnd); + + midend_redraw(fe->me); + + return fe; +} + +static int CALLBACK AboutDlgProc(HWND hwnd, UINT msg, + WPARAM wParam, LPARAM lParam) +{ + frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA); + + switch (msg) { + case WM_INITDIALOG: + return 0; + + case WM_COMMAND: + if ((HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED) && + LOWORD(wParam) == IDOK) + fe->dlg_done = 1; + return 0; + + case WM_CLOSE: + fe->dlg_done = 1; + return 0; + } + + return 0; +} + +/* + * Wrappers on midend_{get,set}_config, which extend the CFG_* + * enumeration to add CFG_PRINT. + */ +static config_item *frontend_get_config(frontend *fe, int which, + char **wintitle) +{ + if (which < CFG_FRONTEND_SPECIFIC) { + return midend_get_config(fe->me, which, wintitle); + } else if (which == CFG_PRINT) { + config_item *ret; + int i; + + *wintitle = snewn(40 + strlen(thegame.name), char); + sprintf(*wintitle, "%s print setup", thegame.name); + + ret = snewn(8, config_item); + + i = 0; + + ret[i].name = "Number of puzzles to print"; + ret[i].type = C_STRING; + ret[i].sval = dupstr("1"); + ret[i].ival = 0; + i++; + + ret[i].name = "Number of puzzles across the page"; + ret[i].type = C_STRING; + ret[i].sval = dupstr("1"); + ret[i].ival = 0; + i++; + + ret[i].name = "Number of puzzles down the page"; + ret[i].type = C_STRING; + ret[i].sval = dupstr("1"); + ret[i].ival = 0; + i++; + + ret[i].name = "Percentage of standard size"; + ret[i].type = C_STRING; + ret[i].sval = dupstr("100.0"); + ret[i].ival = 0; + i++; + + ret[i].name = "Include currently shown puzzle"; + ret[i].type = C_BOOLEAN; + ret[i].sval = NULL; + ret[i].ival = TRUE; + i++; + + ret[i].name = "Print solutions"; + ret[i].type = C_BOOLEAN; + ret[i].sval = NULL; + ret[i].ival = FALSE; + i++; + + if (thegame.can_print_in_colour) { + ret[i].name = "Print in colour"; + ret[i].type = C_BOOLEAN; + ret[i].sval = NULL; + ret[i].ival = FALSE; + i++; + } + + ret[i].name = NULL; + ret[i].type = C_END; + ret[i].sval = NULL; + ret[i].ival = 0; + i++; + + return ret; + } else { + assert(!"We should never get here"); + return NULL; + } +} + +static char *frontend_set_config(frontend *fe, int which, config_item *cfg) +{ + if (which < CFG_FRONTEND_SPECIFIC) { + return midend_set_config(fe->me, which, cfg); + } else if (which == CFG_PRINT) { + if ((fe->printcount = atoi(cfg[0].sval)) <= 0) + return "Number of puzzles to print should be at least one"; + if ((fe->printw = atoi(cfg[1].sval)) <= 0) + return "Number of puzzles across the page should be at least one"; + if ((fe->printh = atoi(cfg[2].sval)) <= 0) + return "Number of puzzles down the page should be at least one"; + if ((fe->printscale = (float)atof(cfg[3].sval)) <= 0) + return "Print size should be positive"; + fe->printcurr = cfg[4].ival; + fe->printsolns = cfg[5].ival; + fe->printcolour = thegame.can_print_in_colour && cfg[6].ival; + return NULL; + } else { + assert(!"We should never get here"); + return "Internal error"; + } +} + +static int CALLBACK ConfigDlgProc(HWND hwnd, UINT msg, + WPARAM wParam, LPARAM lParam) +{ + frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA); + config_item *i; + struct cfg_aux *j; + + switch (msg) { + case WM_INITDIALOG: + return 0; + + case WM_COMMAND: + /* + * OK and Cancel are special cases. + */ + if ((HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED) && + (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)) { + if (LOWORD(wParam) == IDOK) { + char *err = frontend_set_config(fe, fe->cfg_which, fe->cfg); + + if (err) { + MessageBox(hwnd, err, "Validation error", + MB_ICONERROR | MB_OK); + } else { + fe->dlg_done = 2; + } + } else { + fe->dlg_done = 1; + } + return 0; + } + + /* + * First find the control whose id this is. + */ + for (i = fe->cfg, j = fe->cfgaux; i->type != C_END; i++, j++) { + if (j->ctlid == LOWORD(wParam)) + break; + } + if (i->type == C_END) + return 0; /* not our problem */ + + if (i->type == C_STRING && HIWORD(wParam) == EN_CHANGE) { + char buffer[4096]; + GetDlgItemText(fe->cfgbox, j->ctlid, buffer, lenof(buffer)); + buffer[lenof(buffer)-1] = '\0'; + sfree(i->sval); + i->sval = dupstr(buffer); + } else if (i->type == C_BOOLEAN && + (HIWORD(wParam) == BN_CLICKED || + HIWORD(wParam) == BN_DOUBLECLICKED)) { + i->ival = IsDlgButtonChecked(fe->cfgbox, j->ctlid); + } else if (i->type == C_CHOICES && + HIWORD(wParam) == CBN_SELCHANGE) { + i->ival = SendDlgItemMessage(fe->cfgbox, j->ctlid, + CB_GETCURSEL, 0, 0); + } + + return 0; + + case WM_CLOSE: + fe->dlg_done = 1; + return 0; + } + + return 0; +} + +HWND mkctrl(frontend *fe, int x1, int x2, int y1, int y2, + char *wclass, int wstyle, + int exstyle, const char *wtext, int wid) +{ + HWND ret; + ret = CreateWindowEx(exstyle, wclass, wtext, + wstyle | WS_CHILD | WS_VISIBLE, x1, y1, x2-x1, y2-y1, + fe->cfgbox, (HMENU) wid, fe->inst, NULL); + SendMessage(ret, WM_SETFONT, (WPARAM)fe->cfgfont, MAKELPARAM(TRUE, 0)); + return ret; +} + +static void about(frontend *fe) +{ + int i; + WNDCLASS wc; + MSG msg; + TEXTMETRIC tm; + HDC hdc; + HFONT oldfont; + SIZE size; + int gm, id; + int winwidth, winheight, y; + int height, width, maxwid; + const char *strings[16]; + int lengths[16]; + int nstrings = 0; + char titlebuf[512]; + + sprintf(titlebuf, "About %.250s", thegame.name); + + strings[nstrings++] = thegame.name; + strings[nstrings++] = "from Simon Tatham's Portable Puzzle Collection"; + strings[nstrings++] = ver; + + wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW; + wc.lpfnWndProc = DefDlgProc; + wc.cbClsExtra = 0; + wc.cbWndExtra = DLGWINDOWEXTRA + 8; + wc.hInstance = fe->inst; + wc.hIcon = NULL; + wc.hCursor = LoadCursor(NULL, IDC_ARROW); + wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1); + wc.lpszMenuName = NULL; + wc.lpszClassName = "GameAboutBox"; + RegisterClass(&wc); + + hdc = GetDC(fe->hwnd); + SetMapMode(hdc, MM_TEXT); + + fe->dlg_done = FALSE; + + fe->cfgfont = CreateFont(-MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72), + 0, 0, 0, 0, + FALSE, FALSE, FALSE, DEFAULT_CHARSET, + OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, + DEFAULT_QUALITY, + FF_SWISS, + "MS Shell Dlg"); + + oldfont = SelectObject(hdc, fe->cfgfont); + if (GetTextMetrics(hdc, &tm)) { + height = tm.tmAscent + tm.tmDescent; + width = tm.tmAveCharWidth; + } else { + height = width = 30; + } + + /* + * Figure out the layout of the About box by measuring the + * length of each piece of text. + */ + maxwid = 0; + winheight = height/2; + + for (i = 0; i < nstrings; i++) { + if (GetTextExtentPoint32(hdc, strings[i], strlen(strings[i]), &size)) + lengths[i] = size.cx; + else + lengths[i] = 0; /* *shrug* */ + if (maxwid < lengths[i]) + maxwid = lengths[i]; + winheight += height * 3 / 2 + (height / 2); + } + + winheight += height + height * 7 / 4; /* OK button */ + winwidth = maxwid + 4*width; + + SelectObject(hdc, oldfont); + ReleaseDC(fe->hwnd, hdc); + + /* + * Create the dialog, now that we know its size. + */ + { + RECT r, r2; + + r.left = r.top = 0; + r.right = winwidth; + r.bottom = winheight; + + AdjustWindowRectEx(&r, (WS_OVERLAPPEDWINDOW /*| + DS_MODALFRAME | WS_POPUP | WS_VISIBLE | + WS_CAPTION | WS_SYSMENU*/) &~ + (WS_MAXIMIZEBOX | WS_OVERLAPPED), + FALSE, 0); + + /* + * Centre the dialog on its parent window. + */ + r.right -= r.left; + r.bottom -= r.top; + GetWindowRect(fe->hwnd, &r2); + r.left = (r2.left + r2.right - r.right) / 2; + r.top = (r2.top + r2.bottom - r.bottom) / 2; + r.right += r.left; + r.bottom += r.top; + + fe->cfgbox = CreateWindowEx(0, wc.lpszClassName, titlebuf, + DS_MODALFRAME | WS_POPUP | WS_VISIBLE | + WS_CAPTION | WS_SYSMENU, + r.left, r.top, + r.right-r.left, r.bottom-r.top, + fe->hwnd, NULL, fe->inst, NULL); + } + + SendMessage(fe->cfgbox, WM_SETFONT, (WPARAM)fe->cfgfont, FALSE); + + SetWindowLong(fe->cfgbox, GWL_USERDATA, (LONG)fe); + SetWindowLong(fe->cfgbox, DWL_DLGPROC, (LONG)AboutDlgProc); + + id = 1000; + y = height/2; + for (i = 0; i < nstrings; i++) { + int border = width*2 + (maxwid - lengths[i]) / 2; + mkctrl(fe, border, border+lengths[i], y+height*1/8, y+height*9/8, + "Static", 0, 0, strings[i], id++); + y += height*3/2; + + assert(y < winheight); + y += height/2; + } + + y += height/2; /* extra space before OK */ + mkctrl(fe, width*2, maxwid+width*2, y, y+height*7/4, "BUTTON", + BS_PUSHBUTTON | BS_NOTIFY | WS_TABSTOP | BS_DEFPUSHBUTTON, 0, + "OK", IDOK); + + SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0); + + EnableWindow(fe->hwnd, FALSE); + ShowWindow(fe->cfgbox, SW_NORMAL); + while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) { + if (!IsDialogMessage(fe->cfgbox, &msg)) + DispatchMessage(&msg); + if (fe->dlg_done) + break; + } + EnableWindow(fe->hwnd, TRUE); + SetForegroundWindow(fe->hwnd); + DestroyWindow(fe->cfgbox); + DeleteObject(fe->cfgfont); +} + +static int get_config(frontend *fe, int which) +{ + config_item *i; + struct cfg_aux *j; + char *title; + WNDCLASS wc; + MSG msg; + TEXTMETRIC tm; + HDC hdc; + HFONT oldfont; + SIZE size; + HWND ctl; + int gm, id, nctrls; + int winwidth, winheight, col1l, col1r, col2l, col2r, y; + int height, width, maxlabel, maxcheckbox; + + wc.style = CS_DBLCLKS | CS_SAVEBITS | CS_BYTEALIGNWINDOW; + wc.lpfnWndProc = DefDlgProc; + wc.cbClsExtra = 0; + wc.cbWndExtra = DLGWINDOWEXTRA + 8; + wc.hInstance = fe->inst; + wc.hIcon = NULL; + wc.hCursor = LoadCursor(NULL, IDC_ARROW); + wc.hbrBackground = (HBRUSH) (COLOR_BACKGROUND +1); + wc.lpszMenuName = NULL; + wc.lpszClassName = "GameConfigBox"; + RegisterClass(&wc); + + hdc = GetDC(fe->hwnd); + SetMapMode(hdc, MM_TEXT); + + fe->dlg_done = FALSE; + + fe->cfgfont = CreateFont(-MulDiv(8, GetDeviceCaps(hdc, LOGPIXELSY), 72), + 0, 0, 0, 0, + FALSE, FALSE, FALSE, DEFAULT_CHARSET, + OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, + DEFAULT_QUALITY, + FF_SWISS, + "MS Shell Dlg"); + + oldfont = SelectObject(hdc, fe->cfgfont); + if (GetTextMetrics(hdc, &tm)) { + height = tm.tmAscent + tm.tmDescent; + width = tm.tmAveCharWidth; + } else { + height = width = 30; + } + + fe->cfg = frontend_get_config(fe, which, &title); + fe->cfg_which = which; + + /* + * Figure out the layout of the config box by measuring the + * length of each piece of text. + */ + maxlabel = maxcheckbox = 0; + winheight = height/2; + + for (i = fe->cfg; i->type != C_END; i++) { + switch (i->type) { + case C_STRING: + case C_CHOICES: + /* + * Both these control types have a label filling only + * the left-hand column of the box. + */ + if (GetTextExtentPoint32(hdc, i->name, strlen(i->name), &size) && + maxlabel < size.cx) + maxlabel = size.cx; + winheight += height * 3 / 2 + (height / 2); + break; + + case C_BOOLEAN: + /* + * Checkboxes take up the whole of the box width. + */ + if (GetTextExtentPoint32(hdc, i->name, strlen(i->name), &size) && + maxcheckbox < size.cx) + maxcheckbox = size.cx; + winheight += height + (height / 2); + break; + } + } + + winheight += height + height * 7 / 4; /* OK / Cancel buttons */ + + col1l = 2*width; + col1r = col1l + maxlabel; + col2l = col1r + 2*width; + col2r = col2l + 30*width; + if (col2r < col1l+2*height+maxcheckbox) + col2r = col1l+2*height+maxcheckbox; + winwidth = col2r + 2*width; + + SelectObject(hdc, oldfont); + ReleaseDC(fe->hwnd, hdc); + + /* + * Create the dialog, now that we know its size. + */ + { + RECT r, r2; + + r.left = r.top = 0; + r.right = winwidth; + r.bottom = winheight; + + AdjustWindowRectEx(&r, (WS_OVERLAPPEDWINDOW /*| + DS_MODALFRAME | WS_POPUP | WS_VISIBLE | + WS_CAPTION | WS_SYSMENU*/) &~ + (WS_MAXIMIZEBOX | WS_OVERLAPPED), + FALSE, 0); + + /* + * Centre the dialog on its parent window. + */ + r.right -= r.left; + r.bottom -= r.top; + GetWindowRect(fe->hwnd, &r2); + r.left = (r2.left + r2.right - r.right) / 2; + r.top = (r2.top + r2.bottom - r.bottom) / 2; + r.right += r.left; + r.bottom += r.top; + + fe->cfgbox = CreateWindowEx(0, wc.lpszClassName, title, + DS_MODALFRAME | WS_POPUP | WS_VISIBLE | + WS_CAPTION | WS_SYSMENU, + r.left, r.top, + r.right-r.left, r.bottom-r.top, + fe->hwnd, NULL, fe->inst, NULL); + sfree(title); + } + + SendMessage(fe->cfgbox, WM_SETFONT, (WPARAM)fe->cfgfont, FALSE); + + SetWindowLong(fe->cfgbox, GWL_USERDATA, (LONG)fe); + SetWindowLong(fe->cfgbox, DWL_DLGPROC, (LONG)ConfigDlgProc); + + /* + * Count the controls so we can allocate cfgaux. + */ + for (nctrls = 0, i = fe->cfg; i->type != C_END; i++) + nctrls++; + fe->cfgaux = snewn(nctrls, struct cfg_aux); + + id = 1000; + y = height/2; + for (i = fe->cfg, j = fe->cfgaux; i->type != C_END; i++, j++) { + switch (i->type) { + case C_STRING: + /* + * Edit box with a label beside it. + */ + mkctrl(fe, col1l, col1r, y+height*1/8, y+height*9/8, + "Static", 0, 0, i->name, id++); + ctl = mkctrl(fe, col2l, col2r, y, y+height*3/2, + "EDIT", WS_TABSTOP | ES_AUTOHSCROLL, + WS_EX_CLIENTEDGE, "", (j->ctlid = id++)); + SetWindowText(ctl, i->sval); + y += height*3/2; + break; + + case C_BOOLEAN: + /* + * Simple checkbox. + */ + mkctrl(fe, col1l, col2r, y, y+height, "BUTTON", + BS_NOTIFY | BS_AUTOCHECKBOX | WS_TABSTOP, + 0, i->name, (j->ctlid = id++)); + CheckDlgButton(fe->cfgbox, j->ctlid, (i->ival != 0)); + y += height; + break; + + case C_CHOICES: + /* + * Drop-down list with a label beside it. + */ + mkctrl(fe, col1l, col1r, y+height*1/8, y+height*9/8, + "STATIC", 0, 0, i->name, id++); + ctl = mkctrl(fe, col2l, col2r, y, y+height*41/2, + "COMBOBOX", WS_TABSTOP | + CBS_DROPDOWNLIST | CBS_HASSTRINGS, + WS_EX_CLIENTEDGE, "", (j->ctlid = id++)); + { + char c, *p, *q, *str; + + SendMessage(ctl, CB_RESETCONTENT, 0, 0); + p = i->sval; + c = *p++; + while (*p) { + q = p; + while (*q && *q != c) q++; + str = snewn(q-p+1, char); + strncpy(str, p, q-p); + str[q-p] = '\0'; + SendMessage(ctl, CB_ADDSTRING, 0, (LPARAM)str); + sfree(str); + if (*q) q++; + p = q; + } + } + + SendMessage(ctl, CB_SETCURSEL, i->ival, 0); + + y += height*3/2; + break; + } + + assert(y < winheight); + y += height/2; + } + + y += height/2; /* extra space before OK and Cancel */ + mkctrl(fe, col1l, (col1l+col2r)/2-width, y, y+height*7/4, "BUTTON", + BS_PUSHBUTTON | BS_NOTIFY | WS_TABSTOP | BS_DEFPUSHBUTTON, 0, + "OK", IDOK); + mkctrl(fe, (col1l+col2r)/2+width, col2r, y, y+height*7/4, "BUTTON", + BS_PUSHBUTTON | BS_NOTIFY | WS_TABSTOP, 0, "Cancel", IDCANCEL); + + SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0); + + EnableWindow(fe->hwnd, FALSE); + ShowWindow(fe->cfgbox, SW_NORMAL); + while ((gm=GetMessage(&msg, NULL, 0, 0)) > 0) { + if (!IsDialogMessage(fe->cfgbox, &msg)) + DispatchMessage(&msg); + if (fe->dlg_done) + break; + } + EnableWindow(fe->hwnd, TRUE); + SetForegroundWindow(fe->hwnd); + DestroyWindow(fe->cfgbox); + DeleteObject(fe->cfgfont); + + free_cfg(fe->cfg); + sfree(fe->cfgaux); + + return (fe->dlg_done == 2); +} + +static void new_game_size(frontend *fe) +{ + RECT r, sr; + HDC hdc; + int x, y; + + get_max_puzzle_size(fe, &x, &y); + midend_size(fe->me, &x, &y, FALSE); + + r.left = r.top = 0; + r.right = x; + r.bottom = y; + AdjustWindowRectEx(&r, WINFLAGS, TRUE, 0); + + if (fe->statusbar != NULL) { + GetWindowRect(fe->statusbar, &sr); + } else { + sr.left = sr.right = sr.top = sr.bottom = 0; + } + SetWindowPos(fe->hwnd, NULL, 0, 0, + r.right - r.left, + r.bottom - r.top + sr.bottom - sr.top, + SWP_NOMOVE | SWP_NOZORDER); + + check_window_size(fe, &x, &y); + + if (fe->statusbar != NULL) + SetWindowPos(fe->statusbar, NULL, 0, y, x, + sr.bottom - sr.top, SWP_NOZORDER); + + if (fe->bitmap) DeleteObject(fe->bitmap); + + hdc = GetDC(fe->hwnd); + fe->bitmap = CreateCompatibleBitmap(hdc, x, y); + ReleaseDC(fe->hwnd, hdc); + + midend_redraw(fe->me); +} + +static void new_game_type(frontend *fe) +{ + midend_new_game(fe->me); + new_game_size(fe); +} + +static int is_alt_pressed(void) +{ + BYTE keystate[256]; + int r = GetKeyboardState(keystate); + if (!r) + return FALSE; + if (keystate[VK_MENU] & 0x80) + return TRUE; + if (keystate[VK_RMENU] & 0x80) + return TRUE; + return FALSE; +} + +static void savefile_write(void *wctx, void *buf, int len) +{ + FILE *fp = (FILE *)wctx; + fwrite(buf, 1, len, fp); +} + +static int savefile_read(void *wctx, void *buf, int len) +{ + FILE *fp = (FILE *)wctx; + int ret; + + ret = fread(buf, 1, len, fp); + return (ret == len); +} + +static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, + WPARAM wParam, LPARAM lParam) +{ + frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA); + int cmd; + + switch (message) { + case WM_CLOSE: + DestroyWindow(hwnd); + return 0; + case WM_COMMAND: + cmd = wParam & ~0xF; /* low 4 bits reserved to Windows */ + switch (cmd) { + case IDM_NEW: + if (!midend_process_key(fe->me, 0, 0, 'n')) + PostQuitMessage(0); + break; + case IDM_RESTART: + midend_restart_game(fe->me); + break; + case IDM_UNDO: + if (!midend_process_key(fe->me, 0, 0, 'u')) + PostQuitMessage(0); + break; + case IDM_REDO: + if (!midend_process_key(fe->me, 0, 0, '\x12')) + PostQuitMessage(0); + break; + case IDM_COPY: + { + char *text = midend_text_format(fe->me); + if (text) + write_clip(hwnd, text); + else + MessageBeep(MB_ICONWARNING); + sfree(text); + } + break; + case IDM_SOLVE: + { + char *msg = midend_solve(fe->me); + if (msg) + MessageBox(hwnd, msg, "Unable to solve", + MB_ICONERROR | MB_OK); + } + break; + case IDM_QUIT: + if (!midend_process_key(fe->me, 0, 0, 'q')) + PostQuitMessage(0); + break; + case IDM_CONFIG: + if (get_config(fe, CFG_SETTINGS)) + new_game_type(fe); + break; + case IDM_SEED: + if (get_config(fe, CFG_SEED)) + new_game_type(fe); + break; + case IDM_DESC: + if (get_config(fe, CFG_DESC)) + new_game_type(fe); + break; + case IDM_PRINT: + if (get_config(fe, CFG_PRINT)) + print(fe); + break; + case IDM_ABOUT: + about(fe); + break; + case IDM_LOAD: + case IDM_SAVE: + { + OPENFILENAME of; + char filename[FILENAME_MAX]; + int ret; + + memset(&of, 0, sizeof(of)); + of.hwndOwner = hwnd; + of.lpstrFilter = "All Files (*.*)\0*\0\0\0"; + of.lpstrCustomFilter = NULL; + of.nFilterIndex = 1; + of.lpstrFile = filename; + filename[0] = '\0'; + of.nMaxFile = lenof(filename); + of.lpstrFileTitle = NULL; + of.lpstrTitle = (cmd == IDM_SAVE ? + "Enter name of game file to save" : + "Enter name of saved game file to load"); + of.Flags = 0; +#ifdef OPENFILENAME_SIZE_VERSION_400 + of.lStructSize = OPENFILENAME_SIZE_VERSION_400; +#else + of.lStructSize = sizeof(of); +#endif + of.lpstrInitialDir = NULL; + + if (cmd == IDM_SAVE) + ret = GetSaveFileName(&of); + else + ret = GetOpenFileName(&of); + + if (ret) { + if (cmd == IDM_SAVE) { + FILE *fp; + + if ((fp = fopen(filename, "r")) != NULL) { + char buf[256 + FILENAME_MAX]; + fclose(fp); + /* file exists */ + + sprintf(buf, "Are you sure you want to overwrite" + " the file \"%.*s\"?", + FILENAME_MAX, filename); + if (MessageBox(hwnd, buf, "Question", + MB_YESNO | MB_ICONQUESTION) + != IDYES) + break; + } + + fp = fopen(filename, "w"); + + if (!fp) { + MessageBox(hwnd, "Unable to open save file", + "Error", MB_ICONERROR | MB_OK); + break; + } + + midend_serialise(fe->me, savefile_write, fp); + + fclose(fp); + } else { + FILE *fp = fopen(filename, "r"); + char *err; + + if (!fp) { + MessageBox(hwnd, "Unable to open saved game file", + "Error", MB_ICONERROR | MB_OK); + break; + } + + err = midend_deserialise(fe->me, savefile_read, fp); + + fclose(fp); + + if (err) { + MessageBox(hwnd, err, "Error", MB_ICONERROR|MB_OK); + break; + } + + new_game_size(fe); + } + } + } + + break; + case IDM_HELPC: + start_help(fe, NULL); + break; + case IDM_GAMEHELP: + start_help(fe, help_topic); + break; + default: + { + int p = ((wParam &~ 0xF) - IDM_PRESETS) / 0x10; + + if (p >= 0 && p < fe->npresets) { + midend_set_params(fe->me, fe->presets[p]); + new_game_type(fe); + } + } + break; + } + break; + case WM_DESTROY: + stop_help(fe); + PostQuitMessage(0); + return 0; + case WM_PAINT: + { + PAINTSTRUCT p; + HDC hdc, hdc2; + HBITMAP prevbm; + + hdc = BeginPaint(hwnd, &p); + hdc2 = CreateCompatibleDC(hdc); + prevbm = SelectObject(hdc2, fe->bitmap); + BitBlt(hdc, + p.rcPaint.left, p.rcPaint.top, + p.rcPaint.right - p.rcPaint.left, + p.rcPaint.bottom - p.rcPaint.top, + hdc2, + p.rcPaint.left, p.rcPaint.top, + SRCCOPY); + SelectObject(hdc2, prevbm); + DeleteDC(hdc2); + EndPaint(hwnd, &p); + } + return 0; + case WM_KEYDOWN: + { + int key = -1; + BYTE keystate[256]; + int r = GetKeyboardState(keystate); + int shift = (r && (keystate[VK_SHIFT] & 0x80)) ? MOD_SHFT : 0; + int ctrl = (r && (keystate[VK_CONTROL] & 0x80)) ? MOD_CTRL : 0; + + switch (wParam) { + case VK_LEFT: + if (!(lParam & 0x01000000)) + key = MOD_NUM_KEYPAD | '4'; + else + key = shift | ctrl | CURSOR_LEFT; + break; + case VK_RIGHT: + if (!(lParam & 0x01000000)) + key = MOD_NUM_KEYPAD | '6'; + else + key = shift | ctrl | CURSOR_RIGHT; + break; + case VK_UP: + if (!(lParam & 0x01000000)) + key = MOD_NUM_KEYPAD | '8'; + else + key = shift | ctrl | CURSOR_UP; + break; + case VK_DOWN: + if (!(lParam & 0x01000000)) + key = MOD_NUM_KEYPAD | '2'; + else + key = shift | ctrl | CURSOR_DOWN; + break; + /* + * Diagonal keys on the numeric keypad. + */ + case VK_PRIOR: + if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '9'; + break; + case VK_NEXT: + if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '3'; + break; + case VK_HOME: + if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '7'; + break; + case VK_END: + if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '1'; + break; + case VK_INSERT: + if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '0'; + break; + case VK_CLEAR: + if (!(lParam & 0x01000000)) key = MOD_NUM_KEYPAD | '5'; + break; + /* + * Numeric keypad keys with Num Lock on. + */ + case VK_NUMPAD4: key = MOD_NUM_KEYPAD | '4'; break; + case VK_NUMPAD6: key = MOD_NUM_KEYPAD | '6'; break; + case VK_NUMPAD8: key = MOD_NUM_KEYPAD | '8'; break; + case VK_NUMPAD2: key = MOD_NUM_KEYPAD | '2'; break; + case VK_NUMPAD5: key = MOD_NUM_KEYPAD | '5'; break; + case VK_NUMPAD9: key = MOD_NUM_KEYPAD | '9'; break; + case VK_NUMPAD3: key = MOD_NUM_KEYPAD | '3'; break; + case VK_NUMPAD7: key = MOD_NUM_KEYPAD | '7'; break; + case VK_NUMPAD1: key = MOD_NUM_KEYPAD | '1'; break; + case VK_NUMPAD0: key = MOD_NUM_KEYPAD | '0'; break; + } + + if (key != -1) { + if (!midend_process_key(fe->me, 0, 0, key)) + PostQuitMessage(0); + } else { + MSG m; + m.hwnd = hwnd; + m.message = WM_KEYDOWN; + m.wParam = wParam; + m.lParam = lParam & 0xdfff; + TranslateMessage(&m); + } + } + break; + case WM_LBUTTONDOWN: + case WM_RBUTTONDOWN: + case WM_MBUTTONDOWN: + { + int button; + + /* + * Shift-clicks count as middle-clicks, since otherwise + * two-button Windows users won't have any kind of + * middle click to use. + */ + if (message == WM_MBUTTONDOWN || (wParam & MK_SHIFT)) + button = MIDDLE_BUTTON; + else if (message == WM_RBUTTONDOWN || is_alt_pressed()) + button = RIGHT_BUTTON; + else + button = LEFT_BUTTON; + + if (!midend_process_key(fe->me, (signed short)LOWORD(lParam), + (signed short)HIWORD(lParam), button)) + PostQuitMessage(0); + + SetCapture(hwnd); + } + break; + case WM_LBUTTONUP: + case WM_RBUTTONUP: + case WM_MBUTTONUP: + { + int button; + + /* + * Shift-clicks count as middle-clicks, since otherwise + * two-button Windows users won't have any kind of + * middle click to use. + */ + if (message == WM_MBUTTONUP || (wParam & MK_SHIFT)) + button = MIDDLE_RELEASE; + else if (message == WM_RBUTTONUP || is_alt_pressed()) + button = RIGHT_RELEASE; + else + button = LEFT_RELEASE; + + if (!midend_process_key(fe->me, (signed short)LOWORD(lParam), + (signed short)HIWORD(lParam), button)) + PostQuitMessage(0); + + ReleaseCapture(); + } + break; + case WM_MOUSEMOVE: + { + int button; + + if (wParam & (MK_MBUTTON | MK_SHIFT)) + button = MIDDLE_DRAG; + else if (wParam & MK_RBUTTON || is_alt_pressed()) + button = RIGHT_DRAG; + else + button = LEFT_DRAG; + + if (!midend_process_key(fe->me, (signed short)LOWORD(lParam), + (signed short)HIWORD(lParam), button)) + PostQuitMessage(0); + } + break; + case WM_CHAR: + if (!midend_process_key(fe->me, 0, 0, (unsigned char)wParam)) + PostQuitMessage(0); + return 0; + case WM_TIMER: + if (fe->timer) { + DWORD now = GetTickCount(); + float elapsed = (float) (now - fe->timer_last_tickcount) * 0.001F; + midend_timer(fe->me, elapsed); + fe->timer_last_tickcount = now; + } + return 0; + } + + return DefWindowProc(hwnd, message, wParam, lParam); +} + +int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) +{ + MSG msg; + char *error; + + InitCommonControls(); + + if (!prev) { + WNDCLASS wndclass; + + wndclass.style = 0; + wndclass.lpfnWndProc = WndProc; + wndclass.cbClsExtra = 0; + wndclass.cbWndExtra = 0; + wndclass.hInstance = inst; + wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(200)); + if (!wndclass.hIcon) /* in case resource file is absent */ + wndclass.hIcon = LoadIcon(inst, IDI_APPLICATION); + wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); + wndclass.hbrBackground = NULL; + wndclass.lpszMenuName = NULL; + wndclass.lpszClassName = thegame.name; + + RegisterClass(&wndclass); + } + + while (*cmdline && isspace((unsigned char)*cmdline)) + cmdline++; + + init_help(); + + if (!new_window(inst, *cmdline ? cmdline : NULL, &error)) { + char buf[128]; + sprintf(buf, "%.100s Error", thegame.name); + MessageBox(NULL, error, buf, MB_OK|MB_ICONERROR); + return 1; + } + + while (GetMessage(&msg, NULL, 0, 0)) { + DispatchMessage(&msg); + } + + cleanup_help(); + + return msg.wParam; +}