+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);
+ }