X-Git-Url: https://git.distorted.org.uk/~mdw/sgt/puzzles/blobdiff_plain/720a8fb73f1ec4860da71afb8cf0d18bfddf7691..9807fea379ffe68c8bc19b8a957e3b6f9c64eaad:/windows.c diff --git a/windows.c b/windows.c index 9365c14..90d96d2 100644 --- a/windows.c +++ b/windows.c @@ -1,3 +1,991 @@ /* * windows.c: Windows front end for my puzzle collection. */ + +#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_QUIT 0x0050 +#define IDM_CONFIG 0x0060 +#define IDM_SEED 0x0070 +#define IDM_PRESETS 0x0100 + +#ifdef DEBUG +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); +} + +#define debug(x) (debug_printf x) + +#else + +#define debug(x) + +#endif + +struct font { + HFONT font; + int type; + int size; +}; + +struct cfg_aux { + int ctlid; +}; + +struct frontend { + midend_data *me; + HWND hwnd, statusbar, cfgbox; + HINSTANCE inst; + HBITMAP bitmap, prevbm; + HDC hdc_bm; + 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, cfg_done; + HFONT cfgfont; +}; + +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); +} + +void status_bar(frontend *fe, char *text) +{ + SetWindowText(fe->statusbar, text); +} + +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); +} + +void clip(frontend *fe, int x, int y, int w, int h) +{ + if (!fe->clip) { + fe->clip = CreateRectRgn(0, 0, 1, 1); + GetClipRgn(fe->hdc_bm, fe->clip); + } + + IntersectClipRect(fe->hdc_bm, x, y, x+w, y+h); +} + +void unclip(frontend *fe) +{ + assert(fe->clip); + SelectClipRgn(fe->hdc_bm, fe->clip); +} + +void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize, + int align, int colour, char *text) +{ + int i; + + /* + * Find or create the font. + */ + for (i = 0; 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; + + /* + * FIXME: Really I should make at least _some_ effort to + * pick the correct font. + */ + fe->fonts[i].font = CreateFont(-fontsize, 0, 0, 0, 0, + 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_bm, fe->fonts[i].font); + if (GetTextMetrics(fe->hdc_bm, &tm)) { + if (align & ALIGN_VCENTRE) + y -= (tm.tmAscent+tm.tmDescent)/2; + else + y -= tm.tmAscent; + } + if (GetTextExtentPoint32(fe->hdc_bm, text, strlen(text), &size)) { + if (align & ALIGN_HCENTRE) + x -= size.cx / 2; + else if (align & ALIGN_HRIGHT) + x -= size.cx; + } + SetBkMode(fe->hdc_bm, TRANSPARENT); + TextOut(fe->hdc_bm, x, y, text, strlen(text)); + SelectObject(fe->hdc_bm, oldfont); + } +} + +void draw_rect(frontend *fe, int x, int y, int w, int h, int colour) +{ + if (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_bm, x, y, fe->colours[colour]); + } else { + HBRUSH oldbrush = SelectObject(fe->hdc_bm, fe->brushes[colour]); + HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); + Rectangle(fe->hdc_bm, x, y, x+w, y+h); + SelectObject(fe->hdc_bm, oldbrush); + SelectObject(fe->hdc_bm, oldpen); + } +} + +void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour) +{ + HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); + MoveToEx(fe->hdc_bm, x1, y1, NULL); + LineTo(fe->hdc_bm, x2, y2); + SetPixel(fe->hdc_bm, x2, y2, fe->colours[colour]); + SelectObject(fe->hdc_bm, oldpen); +} + +void draw_polygon(frontend *fe, int *coords, int npoints, + int fill, int colour) +{ + POINT *pts = snewn(npoints+1, POINT); + int i; + + for (i = 0; i <= npoints; i++) { + int j = (i < npoints ? i : 0); + pts[i].x = coords[j*2]; + pts[i].y = coords[j*2+1]; + } + + if (fill) { + HBRUSH oldbrush = SelectObject(fe->hdc_bm, fe->brushes[colour]); + HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); + Polygon(fe->hdc_bm, pts, npoints); + SelectObject(fe->hdc_bm, oldbrush); + SelectObject(fe->hdc_bm, oldpen); + } else { + HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]); + Polyline(fe->hdc_bm, pts, npoints+1); + SelectObject(fe->hdc_bm, oldpen); + } + + sfree(pts); +} + +void start_draw(frontend *fe) +{ + HDC hdc_win; + hdc_win = GetDC(fe->hwnd); + fe->hdc_bm = CreateCompatibleDC(hdc_win); + fe->prevbm = SelectObject(fe->hdc_bm, fe->bitmap); + ReleaseDC(fe->hwnd, hdc_win); + fe->clip = NULL; + SetMapMode(fe->hdc_bm, MM_TEXT); +} + +void draw_update(frontend *fe, int x, int y, int w, int h) +{ + RECT r; + + r.left = x; + r.top = y; + r.right = x + w; + r.bottom = y + h; + + InvalidateRect(fe->hwnd, &r, FALSE); +} + +void end_draw(frontend *fe) +{ + SelectObject(fe->hdc_bm, fe->prevbm); + DeleteDC(fe->hdc_bm); + if (fe->clip) { + DeleteObject(fe->clip); + fe->clip = NULL; + } +} + +void deactivate_timer(frontend *fe) +{ + KillTimer(fe->hwnd, fe->timer); + fe->timer = 0; +} + +void activate_timer(frontend *fe) +{ + if (!fe->timer) { + fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL); + fe->timer_last_tickcount = GetTickCount(); + } +} + +static frontend *new_window(HINSTANCE inst) +{ + frontend *fe; + int x, y; + RECT r, sr; + HDC hdc; + time_t t; + + fe = snew(frontend); + + time(&t); + fe->me = midend_new(fe, &t, sizeof(t)); + + fe->inst = inst; + midend_new_game(fe->me); + midend_size(fe->me, &x, &y); + + fe->timer = 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]); + } + } + + r.left = r.top = 0; + r.right = x; + r.bottom = y; + AdjustWindowRectEx(&r, WS_OVERLAPPEDWINDOW &~ + (WS_THICKFRAME | WS_MAXIMIZEBOX | WS_OVERLAPPED), + TRUE, 0); + + fe->hwnd = CreateWindowEx(0, game_name, game_name, + WS_OVERLAPPEDWINDOW &~ + (WS_THICKFRAME | WS_MAXIMIZEBOX), + CW_USEDEFAULT, CW_USEDEFAULT, + r.right - r.left, r.bottom - r.top, + NULL, NULL, inst, 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_SEED, "Specific..."); + + if ((fe->npresets = midend_num_presets(fe->me)) > 0 || + game_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 (game_can_configure) { + AppendMenu(sub, MF_ENABLED, IDM_CONFIG, "Custom..."); + } + } + + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_UNDO, "Undo"); + AppendMenu(menu, MF_ENABLED, IDM_REDO, "Redo"); + AppendMenu(menu, MF_SEPARATOR, 0, 0); + AppendMenu(menu, MF_ENABLED, IDM_QUIT, "Exit"); + SetMenu(fe->hwnd, bar); + } + + if (midend_wants_statusbar(fe->me)) { + fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, "ooh", + WS_CHILD | WS_VISIBLE, + 0, 0, 0, 0, /* status bar does these */ + fe->hwnd, NULL, inst, NULL); + GetWindowRect(fe->statusbar, &sr); + SetWindowPos(fe->hwnd, NULL, 0, 0, + r.right - r.left, r.bottom - r.top + sr.bottom - sr.top, + SWP_NOMOVE | SWP_NOZORDER); + SetWindowPos(fe->statusbar, NULL, 0, y, x, sr.bottom - sr.top, + SWP_NOZORDER); + } else { + fe->statusbar = NULL; + } + + hdc = GetDC(fe->hwnd); + fe->bitmap = CreateCompatibleBitmap(hdc, x, y); + ReleaseDC(fe->hwnd, hdc); + + SetWindowLong(fe->hwnd, GWL_USERDATA, (LONG)fe); + + ShowWindow(fe->hwnd, SW_NORMAL); + SetForegroundWindow(fe->hwnd); + + midend_redraw(fe->me); + + return fe; +} + +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 = midend_set_config(fe->me, fe->cfg_which, fe->cfg); + + if (err) { + MessageBox(hwnd, err, "Validation error", + MB_ICONERROR | MB_OK); + } else { + fe->cfg_done = 2; + } + } else { + fe->cfg_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->cfg_done = 1; + return 0; + } + + return 0; +} + +HWND mkctrl(frontend *fe, int x1, int x2, int y1, int y2, + char *wclass, int wstyle, + int exstyle, 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 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->cfg_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 = midend_get_config(fe->me, 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; + + 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++)); + 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->cfg_done) + break; + } + EnableWindow(fe->hwnd, TRUE); + SetForegroundWindow(fe->hwnd); + DestroyWindow(fe->cfgbox); + DeleteObject(fe->cfgfont); + + free_cfg(fe->cfg); + sfree(fe->cfgaux); + + return (fe->cfg_done == 2); +} + +static void new_game_type(frontend *fe) +{ + RECT r, sr; + HDC hdc; + int x, y; + + midend_new_game(fe->me); + midend_size(fe->me, &x, &y); + + r.left = r.top = 0; + r.right = x; + r.bottom = y; + AdjustWindowRectEx(&r, WS_OVERLAPPEDWINDOW &~ + (WS_THICKFRAME | WS_MAXIMIZEBOX | + WS_OVERLAPPED), + 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); + if (fe->statusbar != NULL) + SetWindowPos(fe->statusbar, NULL, 0, y, x, + sr.bottom - sr.top, SWP_NOZORDER); + + DeleteObject(fe->bitmap); + + hdc = GetDC(fe->hwnd); + fe->bitmap = CreateCompatibleBitmap(hdc, x, y); + ReleaseDC(fe->hwnd, hdc); + + midend_redraw(fe->me); +} + +static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, + WPARAM wParam, LPARAM lParam) +{ + frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA); + + switch (message) { + case WM_CLOSE: + DestroyWindow(hwnd); + return 0; + case WM_COMMAND: + switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ + case IDM_NEW: + if (!midend_process_key(fe->me, 0, 0, 'n')) + PostQuitMessage(0); + break; + case IDM_RESTART: + if (!midend_process_key(fe->me, 0, 0, 'r')) + PostQuitMessage(0); + 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_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; + 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: + 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; + + switch (wParam) { + case VK_LEFT: key = CURSOR_LEFT; break; + case VK_RIGHT: key = CURSOR_RIGHT; break; + case VK_UP: key = CURSOR_UP; break; + case VK_DOWN: key = CURSOR_DOWN; break; + /* + * Diagonal keys on the numeric keypad. + */ + case VK_PRIOR: + if (!(lParam & 0x01000000)) key = CURSOR_UP_RIGHT; + break; + case VK_NEXT: + if (!(lParam & 0x01000000)) key = CURSOR_DOWN_RIGHT; + break; + case VK_HOME: + if (!(lParam & 0x01000000)) key = CURSOR_UP_LEFT; + break; + case VK_END: + if (!(lParam & 0x01000000)) key = CURSOR_DOWN_LEFT; + break; + /* + * Numeric keypad keys with Num Lock on. + */ + case VK_NUMPAD4: key = CURSOR_LEFT; break; + case VK_NUMPAD6: key = CURSOR_RIGHT; break; + case VK_NUMPAD8: key = CURSOR_UP; break; + case VK_NUMPAD2: key = CURSOR_DOWN; break; + case VK_NUMPAD9: key = CURSOR_UP_RIGHT; break; + case VK_NUMPAD3: key = CURSOR_DOWN_RIGHT; break; + case VK_NUMPAD7: key = CURSOR_UP_LEFT; break; + case VK_NUMPAD1: key = CURSOR_DOWN_LEFT; 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_LBUTTONDOWN) + button = LEFT_BUTTON; + else + button = RIGHT_BUTTON; + + if (!midend_process_key(fe->me, LOWORD(lParam), + 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; + + InitCommonControls(); + + if (!prev) { + WNDCLASS wndclass; + + wndclass.style = 0; + wndclass.lpfnWndProc = WndProc; + wndclass.cbClsExtra = 0; + wndclass.cbWndExtra = 0; + wndclass.hInstance = inst; + wndclass.hIcon = LoadIcon(inst, IDI_APPLICATION); + wndclass.hCursor = LoadCursor(NULL, IDC_ARROW); + wndclass.hbrBackground = NULL; + wndclass.lpszMenuName = NULL; + wndclass.lpszClassName = game_name; + + RegisterClass(&wndclass); + } + + new_window(inst); + + while (GetMessage(&msg, NULL, 0, 0)) { + DispatchMessage(&msg); + } + + return msg.wParam; +}