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puzzles/windows.c
Franklin Wei a8b544d2aa Add USE_DRAW_POLYGON_FALLBACK build option for testing. 
This new option, when enabled, forces the in-tree front ends
(Emcscripten, GTK, NestedVM, OS X, and Windows) to use the recently
introduced draw_polygon_fallback() in place of their native
draw_poly(). This will enable easy testing of this function in the
future.

This new option is off by default. To enable it, run CMake as:

$ cmake -DUSE_DRAW_POLYGON_FALLBACK=on

Note that I did _not_ update the Postscript frontend (ps.c) to use
this new option, as I don't think draw_polygon_fallback() would work
at all in Postscript, where the drawing units are no longer guaranteed
to be pixels. The envisioned use case for this option is a developer
testing changes to this function for sanity and/or performance, which
I only foresee happening on a standard GUI front end.
2024-08-15 08:45:59 +01:00

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/*
* windows.c: Windows front end for my puzzle collection.
*/
#include <windows.h>
#include <commctrl.h>
#ifndef NO_HTMLHELP
#include <htmlhelp.h>
#endif /* NO_HTMLHELP */
#include <io.h>
#include <stdio.h>
#include <assert.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
#include <limits.h>
#include <time.h>
#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_PREFS 0x0110
/* Menu items for preset game_params go up from IDM_PRESET_BASE in
* steps of MENUITEM_STEP = 0x20. Menu items for selecting different
* games (in -DCOMBINED mode) go up from IDM_GAME_BASE similarly. */
#define IDM_PRESET_BASE 0x0120
#define IDM_GAME_BASE 0x0130
#define MENUITEM_STEP 0x0020
#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 htmlhelp_t htmlhelp;
static HINSTANCE hh_dll;
#endif /* NO_HTMLHELP */
enum { NONE, HLP, CHM } help_type;
char *help_path;
bool help_has_contents;
#ifndef FILENAME_MAX
#define FILENAME_MAX (260)
#endif
#ifndef HGDI_ERROR
#define HGDI_ERROR ((HANDLE)GDI_ERROR)
#endif
#ifdef COMBINED
#define CLASSNAME "Puzzles"
#else
#define CLASSNAME thegame.name
#endif
#ifdef DEBUGGING
static FILE *debug_fp = NULL;
static HANDLE debug_hdl = INVALID_HANDLE_VALUE;
static int debug_got_console = 0;
static 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);
}
if (debug_fp) {
fputs(buf, debug_fp);
fflush(debug_fp);
}*/
OutputDebugString(buf);
}
void debug_printf(const char *fmt, ...)
{
char buf[4096];
va_list ap;
static int debugging = -1;
if (debugging == -1)
debugging = getenv_bool("DEBUG_PUZZLES", false);
if (debugging) {
va_start(ap, fmt);
_vsnprintf(buf, 4095, fmt, ap);
dputs(buf);
va_end(ap);
}
}
#endif
#define WINFLAGS (WS_OVERLAPPEDWINDOW &~ \
(WS_MAXIMIZEBOX | WS_OVERLAPPED))
static void new_game_size(frontend *fe, float scale);
static void load_prefs(midend *me);
static char *save_prefs(midend *me);
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 preset_menuitemref {
HMENU which_menu;
int item_index;
};
struct frontend {
const game *game;
midend *me;
HWND hwnd, statusbar, cfgbox;
HINSTANCE inst;
HBITMAP bitmap, prevbm;
RECT bitmapPosition; /* game bitmap position within game window */
HDC hdc;
COLORREF *colours;
HBRUSH *brushes;
HPEN *pens;
HRGN clip;
HMENU gamemenu, typemenu;
UINT timer;
DWORD timer_last_tickcount;
struct preset_menu *preset_menu;
struct preset_menuitemref *preset_menuitems;
int n_preset_menuitems;
struct font *fonts;
int nfonts, fontsize;
config_item *cfg;
struct cfg_aux *cfgaux;
int cfg_which, dlg_done;
HFONT cfgfont;
HBRUSH oldbr;
HPEN oldpen;
bool help_running;
enum { DRAWING, PRINTING, NOTHING } drawstatus;
DOCINFO di;
int printcount, printw, printh;
bool printsolns, printcurr, printcolour;
float printscale;
int printoffsetx, printoffsety;
float printpixelscale;
int fontstart;
int linewidth;
bool linedotted;
drawing *dr;
int xmin, ymin;
float puzz_scale;
};
void frontend_free(frontend *fe)
{
midend_free(fe->me);
sfree(fe->colours);
sfree(fe->brushes);
sfree(fe->pens);
sfree(fe->fonts);
sfree(fe);
}
static void update_type_menu_tick(frontend *fe);
static void update_copy_menu_greying(frontend *fe);
void fatal(const 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)
{
SYSTEMTIME *st = snew(SYSTEMTIME);
GetLocalTime(st);
*randseed = (void *)st;
*randseedsize = sizeof(SYSTEMTIME);
}
static void win_status_bar(drawing *dr, const char *text)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
SetWindowText(fe->statusbar, text);
}
static blitter *win_blitter_new(drawing *dr, 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(drawing *dr, 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(drawing *dr, blitter *bl, int x, int y)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr, blitter *bl, int x, int y)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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, fe->printcolour, &hatch, &r, &g, &b);
/*
* Displaying text in hatched colours is not permitted.
*/
assert(hatch < 0);
SetTextColor(fe->hdc, RGB(r * 255, g * 255, b * 255));
} 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, fe->printcolour, &hatch, &r, &g, &b);
if (hatch < 0) {
br = CreateSolidBrush(RGB(r * 255, g * 255, b * 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, bool thin)
{
HPEN pen;
assert(fe->drawstatus != NOTHING);
if (fe->drawstatus == PRINTING) {
int hatch;
float r, g, b;
int width = thin ? 0 : fe->linewidth;
if (fe->linedotted)
width = 0;
print_get_colour(fe->dr, colour, fe->printcolour, &hatch, &r, &g, &b);
/*
* Stroking in hatched colours is not permitted.
*/
assert(hatch < 0);
pen = CreatePen(fe->linedotted ? PS_DOT : PS_SOLID,
width, RGB(r * 255, g * 255, b * 255));
} 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(drawing *dr, int x, int y, int w, int h)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
if (fe->drawstatus == NOTHING)
return;
SelectClipRgn(fe->hdc, NULL);
}
static void win_draw_text(drawing *dr, int x, int y, int fonttype,
int fontsize, int align, int colour,
const char *text)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
POINT xy;
int i;
LOGFONT lf;
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;
memset (&lf, 0, sizeof(LOGFONT));
lf.lfHeight = -fontsize;
lf.lfWeight = (fe->drawstatus == PRINTING ? 0 : FW_BOLD);
lf.lfCharSet = DEFAULT_CHARSET;
lf.lfOutPrecision = OUT_DEFAULT_PRECIS;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfQuality = DEFAULT_QUALITY;
lf.lfPitchAndFamily = (fonttype == FONT_FIXED ?
FIXED_PITCH | FF_DONTCARE :
VARIABLE_PITCH | FF_SWISS);
fe->fonts[i].font = CreateFontIndirect(&lf);
}
/*
* Position and draw the text.
*/
{
HFONT oldfont;
TEXTMETRIC tm;
SIZE size;
WCHAR wText[256];
MultiByteToWideChar (CP_UTF8, 0, text, -1, wText, 256);
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 (GetTextExtentPoint32W(fe->hdc, wText, wcslen(wText), &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);
ExtTextOutW(fe->hdc, xy.x, xy.y, 0, NULL, wText, wcslen(wText), NULL);
SelectObject(fe->hdc, oldfont);
}
}
static void win_draw_rect(drawing *dr, int x, int y, int w, int h, int colour)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr, int x1, int y1, int x2, int y2, int colour)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
POINT pp[2];
if (fe->drawstatus == NOTHING)
return;
win_set_pen(fe, colour, false);
pp[0] = win_transform_point(fe, x1, y1);
pp[1] = win_transform_point(fe, x2, y2);
Polyline(fe->hdc, pp, 2);
if (fe->drawstatus == DRAWING)
SetPixel(fe->hdc, pp[1].x, pp[1].y, fe->colours[colour]);
win_reset_pen(fe);
}
static void win_draw_circle(drawing *dr, int cx, int cy, int radius,
int fillcolour, int outlinecolour)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
POINT p, q;
assert(outlinecolour >= 0);
if (fe->drawstatus == NOTHING)
return;
if (fillcolour >= 0)
win_set_brush(fe, fillcolour);
else
fe->oldbr = SelectObject(fe->hdc, GetStockObject(NULL_BRUSH));
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);
}
static void win_draw_polygon(drawing *dr, const int *coords, int npoints,
int fillcolour, int outlinecolour)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr, int x, int y, int w, int h)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
RECT r;
if (fe->drawstatus != DRAWING)
return;
r.left = x;
r.top = y;
r.right = x + w;
r.bottom = y + h;
OffsetRect(&r, fe->bitmapPosition.left, fe->bitmapPosition.top);
InvalidateRect(fe->hwnd, &r, false);
}
static void win_end_draw(drawing *dr)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr, float width)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
assert(fe->drawstatus != DRAWING);
if (fe->drawstatus == NOTHING)
return;
fe->linewidth = (int)(width * fe->printpixelscale);
}
static void win_line_dotted(drawing *dr, bool dotted)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
assert(fe->drawstatus != DRAWING);
if (fe->drawstatus == NOTHING)
return;
fe->linedotted = dotted;
}
static void win_begin_doc(drawing *dr, int pages)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr, int number)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr, float xm, float xc,
float ym, float yc, int pw, int ph, float wmm)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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)pph / mmph);
/*
* 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;
fe->linedotted = false;
}
static void win_end_puzzle(drawing *dr)
{
/* Nothing needs to be done here. */
}
static void win_end_page(drawing *dr, int number)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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(drawing *dr)
{
frontend *fe = GET_HANDLE_AS_TYPE(dr, frontend);
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;
}
}
char *win_text_fallback(drawing *dr, const char *const *strings, int nstrings)
{
/*
* We assume Windows can cope with any UTF-8 likely to be
* emitted by a puzzle.
*/
return dupstr(strings[0]);
}
const struct drawing_api win_drawing = {
1,
win_draw_text,
win_draw_rect,
win_draw_line,
#ifdef USE_DRAW_POLYGON_FALLBACK
draw_polygon_fallback,
#else
win_draw_polygon,
#endif
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,
win_line_dotted,
win_text_fallback,
};
void print(frontend *fe)
{
PRINTDLG pd;
char doctitle[256];
document *doc;
midend *nme = NULL; /* non-interactive midend for bulk puzzle generation */
int i;
const 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, fe->game, NULL, NULL);
load_prefs(nme);
/*
* 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);
fe->game->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)", fe->game->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, 1, 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) {
sfree(data2);
return;
}
lock = GlobalLock(clipdata);
if (!lock) {
GlobalFree(clipdata);
sfree(data2);
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) {
help_path = dupstr(b);
help_type = CHM;
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;
/*
* 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, (ULONG_PTR)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)
{
/* Nothing to do currently.
* (If we were running HTML Help single-threaded, this is where we'd
* call HH_UNINITIALIZE.) */
}
static int get_statusbar_height(frontend *fe)
{
int sy;
if (fe->statusbar) {
RECT sr;
GetWindowRect(fe->statusbar, &sr);
sy = sr.bottom - sr.top;
} else {
sy = 0;
}
return sy;
}
static void adjust_statusbar(frontend *fe, RECT *r)
{
int sy;
if (!fe->statusbar) return;
sy = get_statusbar_height(fe);
SetWindowPos(fe->statusbar, NULL, 0, r->bottom-r->top-sy, r->right-r->left,
sy, SWP_NOZORDER);
}
static void get_menu_size(HWND wh, RECT *r)
{
HMENU bar = GetMenu(wh);
RECT rect;
int i;
SetRect(r, 0, 0, 0, 0);
for (i = 0; i < GetMenuItemCount(bar); i++) {
GetMenuItemRect(wh, bar, i, &rect);
UnionRect(r, r, &rect);
}
}
/*
* Given a proposed new puzzle size (cx,cy), work out the actual
* puzzle size that would be (px,py) and the window size including
* furniture (wx,wy).
*/
static bool check_window_resize(frontend *fe, int cx, int cy,
int *px, int *py, int *wx, int *wy)
{
RECT r;
int x, y, sy = get_statusbar_height(fe);
bool changed = false;
/* disallow making window thinner than menu bar */
x = max(cx, fe->xmin);
y = max(cy - sy, fe->ymin);
/*
* See if we actually got the window size we wanted, and adjust
* the puzzle size if not.
*/
midend_size(fe->me, &x, &y, true, 1.0);
if (x != cx || y != cy) {
/*
* 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);
*wx = r.right - r.left;
*wy = r.bottom - r.top;
changed = true;
}
*px = x;
*py = y;
fe->puzz_scale =
(float)midend_tilesize(fe->me) / (float)fe->game->preferred_tilesize;
return changed;
}
/*
* Given the current window size, make sure it's sane for the
* current puzzle and resize if necessary.
*/
static void check_window_size(frontend *fe, int *px, int *py)
{
RECT r;
int wx, wy, cx, cy;
GetClientRect(fe->hwnd, &r);
cx = r.right - r.left;
cy = r.bottom - r.top;
if (check_window_resize(fe, cx, cy, px, py, &wx, &wy))
SetWindowPos(fe->hwnd, NULL, 0, 0, wx, wy, SWP_NOMOVE | SWP_NOZORDER);
GetClientRect(fe->hwnd, &r);
adjust_statusbar(fe, &r);
}
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;
}
}
/*
* Allocate a new frontend structure and create its main window.
*/
static frontend *frontend_new(HINSTANCE inst)
{
frontend *fe;
const char *nogame = "Puzzles (no game selected)";
fe = snew(frontend);
fe->inst = inst;
fe->game = NULL;
fe->me = NULL;
fe->timer = 0;
fe->hwnd = NULL;
fe->help_running = false;
fe->drawstatus = NOTHING;
fe->dr = NULL;
fe->fontstart = 0;
fe->fonts = NULL;
fe->nfonts = fe->fontsize = 0;
fe->colours = NULL;
fe->brushes = NULL;
fe->pens = NULL;
fe->puzz_scale = 1.0;
fe->hwnd = CreateWindowEx(0, CLASSNAME, nogame,
WS_OVERLAPPEDWINDOW &~
(WS_MAXIMIZEBOX),
CW_USEDEFAULT, CW_USEDEFAULT,
CW_USEDEFAULT, CW_USEDEFAULT,
NULL, NULL, inst, NULL);
if (!fe->hwnd) {
DWORD lerr = GetLastError();
printf("no window: 0x%x\n", (unsigned)lerr);
}
fe->gamemenu = NULL;
fe->preset_menu = NULL;
fe->statusbar = NULL;
fe->bitmap = NULL;
SetWindowLongPtr(fe->hwnd, GWLP_USERDATA, (LONG_PTR)fe);
return fe;
}
static void savefile_write(void *wctx, const void *buf, int len)
{
FILE *fp = (FILE *)wctx;
fwrite(buf, 1, len, fp);
}
static bool savefile_read(void *wctx, void *buf, int len)
{
FILE *fp = (FILE *)wctx;
int ret;
ret = fread(buf, 1, len, fp);
return (ret == len);
}
/*
* Create an appropriate midend structure to go in a puzzle window,
* given a game type and/or a command-line argument.
*
* 'arg' can be either a game ID string (descriptive, random, or a
* plain set of parameters) or the filename of a save file. The two
* boolean flag arguments indicate which possibilities are
* permissible.
*/
static midend *midend_for_new_game(frontend *fe, const game *cgame,
char *arg, bool maybe_game_id,
bool maybe_save_file, char **error)
{
midend *me = NULL;
if (!arg) {
if (me) midend_free(me);
me = midend_new(fe, cgame, &win_drawing, fe);
load_prefs(me);
midend_new_game(me);
} else {
FILE *fp;
const char *err_param, *err_load;
/*
* See if arg is a valid filename of a save game file.
*/
err_load = NULL;
if (maybe_save_file && (fp = fopen(arg, "r")) != NULL) {
const game *loadgame;
#ifdef COMBINED
/*
* Find out what kind of game is stored in the save
* file; if we're going to end up loading that, it
* will have to override our caller's judgment as to
* what game to initialise our midend with.
*/
char *id_name;
err_load = identify_game(&id_name, savefile_read, fp);
if (!err_load) {
int i;
for (i = 0; i < gamecount; i++)
if (!strcmp(id_name, gamelist[i]->name))
break;
if (i == gamecount) {
err_load = "Save file is for a game not supported by"
" this program";
} else {
loadgame = gamelist[i];
rewind(fp); /* go back to the start for actual load */
}
}
#else
loadgame = cgame;
#endif
if (!err_load) {
if (me) midend_free(me);
me = midend_new(fe, loadgame, &win_drawing, fe);
load_prefs(me);
err_load = midend_deserialise(me, savefile_read, fp);
}
} else {
err_load = "Unable to open file";
}
if (maybe_game_id && (!maybe_save_file || err_load)) {
/*
* See if arg is a game description.
*/
if (me) midend_free(me);
me = midend_new(fe, cgame, &win_drawing, fe);
load_prefs(me);
err_param = midend_game_id(me, arg);
if (!err_param) {
midend_new_game(me);
} else {
if (maybe_save_file) {
*error = snewn(256 + strlen(arg) + strlen(err_param) +
strlen(err_load), char);
sprintf(*error, "Supplied argument \"%s\" is neither a"
" game ID (%s) nor a save file (%s)",
arg, err_param, err_load);
} else {
*error = dupstr(err_param);
}
midend_free(me);
sfree(fe);
return NULL;
}
} else if (err_load) {
*error = dupstr(err_load);
midend_free(me);
sfree(fe);
return NULL;
}
}
return me;
}
static void populate_preset_menu(frontend *fe,
struct preset_menu *menu, HMENU winmenu)
{
int i;
for (i = 0; i < menu->n_entries; i++) {
struct preset_menu_entry *entry = &menu->entries[i];
UINT_PTR id_or_sub;
UINT flags = MF_ENABLED;
if (entry->params) {
id_or_sub = (UINT_PTR)(
IDM_PRESET_BASE + MENUITEM_STEP * entry->id);
fe->preset_menuitems[entry->id].which_menu = winmenu;
fe->preset_menuitems[entry->id].item_index =
GetMenuItemCount(winmenu);
} else {
HMENU winsubmenu = CreateMenu();
id_or_sub = (UINT_PTR)winsubmenu;
flags |= MF_POPUP;
populate_preset_menu(fe, entry->submenu, winsubmenu);
}
/*
* FIXME: we ought to go through and do something with ampersands
* here.
*/
AppendMenu(winmenu, flags, id_or_sub, entry->title);
}
}
/*
* Populate a frontend structure with a new midend structure, and
* create any window furniture that it needs.
*
* Previously-allocated memory and window furniture will be freed by
* this function.
*
*/
static int fe_set_midend(frontend *fe, midend *me)
{
int x, y;
RECT r;
if (fe->me) {
midend_free(fe->me);
fe->preset_menu = NULL;
sfree(fe->preset_menuitems);
}
fe->me = me;
fe->game = midend_which_game(fe->me);
{
int i, ncolours;
float *colours;
colours = midend_colours(fe->me, &ncolours);
if (fe->colours) sfree(fe->colours);
if (fe->brushes) sfree(fe->brushes);
if (fe->pens) sfree(fe->pens);
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 (fe->statusbar)
DestroyWindow(fe->statusbar);
if (midend_wants_statusbar(fe->me)) {
fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME,
TEXT(DEFAULT_STATUSBAR_TEXT),
WS_CHILD | WS_VISIBLE,
0, 0, 0, 0, /* status bar does these */
NULL, NULL, fe->inst, NULL);
} else
fe->statusbar = NULL;
get_max_puzzle_size(fe, &x, &y);
midend_size(fe->me, &x, &y, false, 1.0);
r.left = r.top = 0;
r.right = x;
r.bottom = y;
AdjustWindowRectEx(&r, WINFLAGS, true, 0);
SetWindowText(fe->hwnd, fe->game->name);
if (fe->statusbar)
DestroyWindow(fe->statusbar);
if (midend_wants_statusbar(fe->me)) {
RECT sr;
fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, TEXT("ooh"),
WS_CHILD | WS_VISIBLE,
0, 0, 0, 0, /* status bar does these */
fe->hwnd, NULL, fe->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 oldmenu = GetMenu(fe->hwnd);
HMENU bar = CreateMenu();
HMENU menu = CreateMenu();
RECT menusize;
AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT_PTR)menu, "&Game");
fe->gamemenu = menu;
AppendMenu(menu, MF_ENABLED, IDM_NEW, TEXT("&New"));
AppendMenu(menu, MF_ENABLED, IDM_RESTART, TEXT("&Restart"));
/* ...here I run out of sensible accelerator characters. */
AppendMenu(menu, MF_ENABLED, IDM_DESC, TEXT("Speci&fic..."));
AppendMenu(menu, MF_ENABLED, IDM_SEED, TEXT("Rando&m Seed..."));
assert(!fe->preset_menu);
fe->preset_menu = midend_get_presets(
fe->me, &fe->n_preset_menuitems);
fe->preset_menuitems = snewn(fe->n_preset_menuitems,
struct preset_menuitemref);
{
int i;
for (i = 0; i < fe->n_preset_menuitems; i++)
fe->preset_menuitems[i].which_menu = NULL;
}
if (fe->preset_menu->n_entries > 0 || fe->game->can_configure) {
HMENU sub = CreateMenu();
AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT_PTR)sub, "&Type");
populate_preset_menu(fe, fe->preset_menu, sub);
if (fe->game->can_configure) {
AppendMenu(sub, MF_ENABLED, IDM_CONFIG, TEXT("&Custom..."));
}
fe->typemenu = sub;
} else {
fe->typemenu = INVALID_HANDLE_VALUE;
}
#ifdef COMBINED
{
HMENU games = CreateMenu();
int i;
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED|MF_POPUP, (UINT_PTR)games, "&Other");
for (i = 0; i < gamecount; i++) {
if (strcmp(gamelist[i]->name, fe->game->name) != 0) {
/* only include those games that aren't the same as the
* game we're currently playing. */
AppendMenu(games, MF_ENABLED,
IDM_GAME_BASE + MENUITEM_STEP * i,
gamelist[i]->name);
}
}
}
#endif
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED, IDM_LOAD, TEXT("&Load..."));
AppendMenu(menu, MF_ENABLED, IDM_SAVE, TEXT("&Save..."));
AppendMenu(menu, MF_SEPARATOR, 0, 0);
if (fe->game->can_print) {
AppendMenu(menu, MF_ENABLED, IDM_PRINT, TEXT("&Print..."));
AppendMenu(menu, MF_SEPARATOR, 0, 0);
}
AppendMenu(menu, MF_ENABLED, IDM_UNDO, TEXT("Undo"));
AppendMenu(menu, MF_ENABLED, IDM_REDO, TEXT("Redo"));
if (fe->game->can_format_as_text_ever) {
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED, IDM_COPY, TEXT("&Copy"));
}
if (fe->game->can_solve) {
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED, IDM_SOLVE, TEXT("Sol&ve"));
}
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED, IDM_PREFS, TEXT("Pre&ferences"));
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED, IDM_QUIT, TEXT("E&xit"));
menu = CreateMenu();
AppendMenu(bar, MF_ENABLED|MF_POPUP, (UINT_PTR)menu, TEXT("&Help"));
AppendMenu(menu, MF_ENABLED, IDM_ABOUT, TEXT("&About"));
if (help_type != NONE) {
char *item;
AppendMenu(menu, MF_SEPARATOR, 0, 0);
AppendMenu(menu, MF_ENABLED, IDM_HELPC, TEXT("&Contents"));
assert(fe->game->name);
item = snewn(10+strlen(fe->game->name), char); /*ick*/
sprintf(item, "&Help on %s", fe->game->name);
AppendMenu(menu, MF_ENABLED, IDM_GAMEHELP, item);
sfree(item);
}
DestroyMenu(oldmenu);
SetMenu(fe->hwnd, bar);
get_menu_size(fe->hwnd, &menusize);
fe->xmin = (menusize.right - menusize.left) + 25;
}
if (fe->bitmap) DeleteObject(fe->bitmap);
fe->bitmap = NULL;
new_game_size(fe, fe->puzz_scale); /* initialises fe->bitmap */
return 0;
}
static void show_window(frontend *fe)
{
ShowWindow(fe->hwnd, SW_SHOWNORMAL);
SetForegroundWindow(fe->hwnd);
update_type_menu_tick(fe);
update_copy_menu_greying(fe);
midend_redraw(fe->me);
}
static int CALLBACK AboutDlgProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam)
{
frontend *fe = (frontend *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
switch (msg) {
case WM_INITDIALOG:
return 1;
case WM_COMMAND:
if (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(fe->game->name), char);
sprintf(*wintitle, "%s print setup", fe->game->name);
ret = snewn(8, config_item);
i = 0;
ret[i].name = "Number of puzzles to print";
ret[i].type = C_STRING;
ret[i].u.string.sval = dupstr("1");
i++;
ret[i].name = "Number of puzzles across the page";
ret[i].type = C_STRING;
ret[i].u.string.sval = dupstr("1");
i++;
ret[i].name = "Number of puzzles down the page";
ret[i].type = C_STRING;
ret[i].u.string.sval = dupstr("1");
i++;
ret[i].name = "Percentage of standard size";
ret[i].type = C_STRING;
ret[i].u.string.sval = dupstr("100.0");
i++;
ret[i].name = "Include currently shown puzzle";
ret[i].type = C_BOOLEAN;
ret[i].u.boolean.bval = true;
i++;
ret[i].name = "Print solutions";
ret[i].type = C_BOOLEAN;
ret[i].u.boolean.bval = false;
i++;
if (fe->game->can_print_in_colour) {
ret[i].name = "Print in colour";
ret[i].type = C_BOOLEAN;
ret[i].u.boolean.bval = false;
i++;
}
ret[i].name = NULL;
ret[i].type = C_END;
i++;
return ret;
} else {
assert(!"We should never get here");
return NULL;
}
}
static const 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].u.string.sval)) <= 0)
return "Number of puzzles to print should be at least one";
if ((fe->printw = atoi(cfg[1].u.string.sval)) <= 0)
return "Number of puzzles across the page should be at least one";
if ((fe->printh = atoi(cfg[2].u.string.sval)) <= 0)
return "Number of puzzles down the page should be at least one";
if ((fe->printscale = (float)atof(cfg[3].u.string.sval)) <= 0)
return "Print size should be positive";
fe->printcurr = cfg[4].u.boolean.bval;
fe->printsolns = cfg[5].u.boolean.bval;
fe->printcolour = fe->game->can_print_in_colour &&
cfg[6].u.boolean.bval;
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 *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
config_item *i;
struct cfg_aux *j;
switch (msg) {
case WM_INITDIALOG:
return 1;
case WM_COMMAND:
/*
* OK and Cancel are special cases.
*/
if ((LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)) {
if (LOWORD(wParam) == IDOK) {
const 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->u.string.sval);
i->u.string.sval = dupstr(buffer);
} else if (i->type == C_BOOLEAN &&
(HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DBLCLK)) {
i->u.boolean.bval = IsDlgButtonChecked(fe->cfgbox, j->ctlid);
} else if (i->type == C_CHOICES &&
HIWORD(wParam) == CBN_SELCHANGE) {
i->u.choices.selected = 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_PTR 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", fe->game->name);
strings[nstrings++] = fe->game->name;
strings[nstrings++] = "from Simon Tatham's Portable Puzzle Collection";
strings[nstrings++] = ver;
wc.style = CS_DBLCLKS | CS_SAVEBITS;
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 = 0;
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);
SetWindowLongPtr(fe->cfgbox, GWLP_USERDATA, (LONG_PTR)fe);
SetWindowLongPtr(fe->cfgbox, DWLP_DLGPROC, (LONG_PTR)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 | WS_TABSTOP | BS_DEFPUSHBUTTON, 0,
"OK", IDOK);
SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0);
EnableWindow(fe->hwnd, false);
ShowWindow(fe->cfgbox, SW_SHOWNORMAL);
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 bool 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;
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 = 0;
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);
SetWindowLongPtr(fe->cfgbox, GWLP_USERDATA, (LONG_PTR)fe);
SetWindowLongPtr(fe->cfgbox, DWLP_DLGPROC, (LONG_PTR)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->u.string.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->u.boolean.bval);
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;
const char *p, *q;
char *str;
SendMessage(ctl, CB_RESETCONTENT, 0, 0);
p = i->u.choices.choicenames;
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->u.choices.selected, 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 | WS_TABSTOP | BS_DEFPUSHBUTTON, 0,
"OK", IDOK);
mkctrl(fe, (col1l+col2r)/2+width, col2r, y, y+height*7/4, "BUTTON",
BS_PUSHBUTTON | WS_TABSTOP, 0, "Cancel", IDCANCEL);
SendMessage(fe->cfgbox, WM_INITDIALOG, 0, 0);
EnableWindow(fe->hwnd, false);
ShowWindow(fe->cfgbox, SW_SHOWNORMAL);
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 calculate_bitmap_position(frontend *fe, int x, int y)
{
/* Plain Windows - position the game in the upper-left corner */
fe->bitmapPosition.left = 0;
fe->bitmapPosition.top = 0;
fe->bitmapPosition.right = fe->bitmapPosition.left + x;
fe->bitmapPosition.bottom = fe->bitmapPosition.top + y;
}
static void new_bitmap(frontend *fe, int x, int y)
{
HDC hdc;
if (fe->bitmap) DeleteObject(fe->bitmap);
hdc = GetDC(fe->hwnd);
fe->bitmap = CreateCompatibleBitmap(hdc, x, y);
calculate_bitmap_position(fe, x, y);
ReleaseDC(fe->hwnd, hdc);
}
static void new_game_size(frontend *fe, float scale)
{
RECT r, sr;
int x, y;
get_max_puzzle_size(fe, &x, &y);
midend_size(fe->me, &x, &y, false, 1.0);
if (scale != 1.0) {
x = (int)((float)x * fe->puzz_scale);
y = (int)((float)y * fe->puzz_scale);
midend_size(fe->me, &x, &y, true, 1.0);
}
fe->ymin = (fe->xmin * y) / x;
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);
new_bitmap(fe, x, y);
midend_redraw(fe->me);
}
/*
* Given a proposed new window rect, work out the resulting
* difference in client size (from current), and use to try
* and resize the puzzle, returning (wx,wy) as the actual
* new window size.
*/
static void adjust_game_size(frontend *fe, RECT *proposed, bool isedge,
int *wx_r, int *wy_r)
{
RECT cr, wr;
int nx, ny, xdiff, ydiff, wx, wy;
/* Work out the current window sizing, and thus the
* difference in size we're asking for. */
GetClientRect(fe->hwnd, &cr);
wr = cr;
AdjustWindowRectEx(&wr, WINFLAGS, true, 0);
xdiff = (proposed->right - proposed->left) - (wr.right - wr.left);
ydiff = (proposed->bottom - proposed->top) - (wr.bottom - wr.top);
if (isedge) {
/* These next four lines work around the fact that midend_size
* is happy to shrink _but not grow_ if you change one dimension
* but not the other. */
if (xdiff > 0 && ydiff == 0)
ydiff = (xdiff * (wr.right - wr.left)) / (wr.bottom - wr.top);
if (xdiff == 0 && ydiff > 0)
xdiff = (ydiff * (wr.bottom - wr.top)) / (wr.right - wr.left);
}
if (check_window_resize(fe,
(cr.right - cr.left) + xdiff,
(cr.bottom - cr.top) + ydiff,
&nx, &ny, &wx, &wy)) {
new_bitmap(fe, nx, ny);
midend_force_redraw(fe->me);
} else {
/* reset size to current window size */
wx = wr.right - wr.left;
wy = wr.bottom - wr.top;
}
/* Re-fetch rectangle; size limits mean we might not have
* taken it quite to the mouse drag positions. */
GetClientRect(fe->hwnd, &cr);
adjust_statusbar(fe, &cr);
*wx_r = wx; *wy_r = wy;
}
static void update_type_menu_tick(frontend *fe)
{
int total, n, i;
if (fe->typemenu == INVALID_HANDLE_VALUE)
return;
n = midend_which_preset(fe->me);
for (i = 0; i < fe->n_preset_menuitems; i++) {
if (fe->preset_menuitems[i].which_menu) {
int flag = (i == n ? MF_CHECKED : MF_UNCHECKED);
CheckMenuItem(fe->preset_menuitems[i].which_menu,
fe->preset_menuitems[i].item_index,
MF_BYPOSITION | flag);
}
}
if (fe->game->can_configure) {
int flag = (n < 0 ? MF_CHECKED : MF_UNCHECKED);
/* "Custom" menu item is at the bottom of the top-level Type menu */
total = GetMenuItemCount(fe->typemenu);
CheckMenuItem(fe->typemenu, total - 1, MF_BYPOSITION | flag);
}
DrawMenuBar(fe->hwnd);
}
static char *prefs_dir(void)
{
const char *var;
if ((var = getenv("APPDATA")) != NULL) {
size_t size = strlen(var) + 80;
char *dir = snewn(size, char);
sprintf(dir, "%s\\Simon Tatham's Portable Puzzle Collection", var);
return dir;
}
return NULL;
}
static char *prefs_path_general(const game *game, const char *suffix)
{
char *dir, *path;
dir = prefs_dir();
if (!dir)
return NULL;
path = make_prefs_path(dir, "\\", game, suffix);
sfree(dir);
return path;
}
static char *prefs_path(const game *game)
{
return prefs_path_general(game, ".conf");
}
static char *prefs_tmp_path(const game *game)
{
return prefs_path_general(game, ".tmp");
}
static void load_prefs(midend *me)
{
const game *game = midend_which_game(me);
char *path = prefs_path(game);
if (!path)
return;
FILE *fp = fopen(path, "r");
if (!fp)
return;
const char *err = midend_load_prefs(me, savefile_read, fp);
fclose(fp);
if (err)
fprintf(stderr, "Unable to load preferences file %s:\n%s\n",
path, err);
sfree(path);
}
static char *save_prefs(midend *me)
{
const game *game = midend_which_game(me);
char *dir_path = prefs_dir();
char *file_path = prefs_path(game);
char *tmp_path = prefs_tmp_path(game);
HANDLE fh;
FILE *fp;
bool cleanup_dir = false, cleanup_tmpfile = false;
char *err = NULL;
if (!dir_path || !file_path || !tmp_path) {
sprintf(err = snewn(256, char),
"Unable to save preferences:\n"
"Could not determine pathname for configuration files");
goto out;
}
if (!CreateDirectory(dir_path, NULL)) {
/* Ignore errors while trying to make the directory. It may
* well already exist, and even if we got some error code
* other than EEXIST, it's still worth at least _trying_ to
* make the file inside it, and see if that goes wrong. */
} else {
cleanup_dir = true;
}
fh = CreateFile(tmp_path, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL, NULL);
if (fh == INVALID_HANDLE_VALUE) {
char *os_err = geterrstr();
sprintf(err = snewn(256 + strlen(tmp_path) + strlen(os_err), char),
"Unable to save preferences:\n"
"Unable to create file '%s':\n%s", tmp_path, os_err);
sfree(os_err);
goto out;
} else {
cleanup_tmpfile = true;
}
fp = _fdopen(_open_osfhandle((intptr_t)fh, 0), "w");
SetLastError(0);
midend_save_prefs(me, savefile_write, fp);
fclose(fp);
if (GetLastError()) {
char *os_err = geterrstr();
sprintf(err = snewn(80 + strlen(tmp_path) + strlen(os_err), char),
"Unable to write file '%s':\n%s", tmp_path, os_err);
sfree(os_err);
goto out;
}
if (MoveFileEx(tmp_path, file_path, MOVEFILE_REPLACE_EXISTING) < 0) {
char *os_err = geterrstr();
sprintf(err = snewn(256 + strlen(tmp_path) + strlen(file_path) +
strlen(os_err), char),
"Unable to save preferences:\n"
"Unable to rename '%s' to '%s':\n%s", tmp_path, file_path,
os_err);
sfree(os_err);
goto out;
} else {
cleanup_dir = false;
cleanup_tmpfile = false;
}
out:
if (cleanup_tmpfile) {
if (!DeleteFile(tmp_path)) { /* can't do anything about this */ }
}
if (cleanup_dir) {
if (!RemoveDirectory(dir_path)) { /* can't do anything about this */ }
}
sfree(dir_path);
sfree(file_path);
sfree(tmp_path);
return err;
}
static void update_copy_menu_greying(frontend *fe)
{
UINT enable = (midend_can_format_as_text_now(fe->me) ?
MF_ENABLED : MF_GRAYED);
EnableMenuItem(fe->gamemenu, IDM_COPY, MF_BYCOMMAND | enable);
}
static void new_game_type(frontend *fe)
{
midend_new_game(fe->me);
new_game_size(fe, 1.0);
update_type_menu_tick(fe);
update_copy_menu_greying(fe);
}
static bool 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 LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
frontend *fe = (frontend *)GetWindowLongPtr(hwnd, GWLP_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, UI_NEWGAME) == PKR_QUIT)
PostQuitMessage(0);
break;
case IDM_RESTART:
midend_restart_game(fe->me);
break;
case IDM_UNDO:
if (midend_process_key(fe->me, 0, 0, UI_UNDO) == PKR_QUIT)
PostQuitMessage(0);
break;
case IDM_REDO:
if (midend_process_key(fe->me, 0, 0, UI_REDO) == PKR_QUIT)
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:
{
const 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, UI_QUIT) == PKR_QUIT)
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_PREFS:
if (get_config(fe, CFG_PREFS)) {
char *prefs_err = save_prefs(fe->me);
if (prefs_err) {
MessageBox(fe->hwnd, prefs_err, "Error saving preferences",
MB_ICONERROR | MB_OK);
sfree(prefs_err);
}
}
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");
const char *err = NULL;
char *err_w = NULL;
midend *me = fe->me;
#ifdef COMBINED
char *id_name;
#endif
if (!fp) {
MessageBox(hwnd, "Unable to open saved game file",
"Error", MB_ICONERROR | MB_OK);
break;
}
#ifdef COMBINED
/*
* This save file might be from a different
* game.
*/
err = identify_game(&id_name, savefile_read, fp);
if (!err) {
int i;
for (i = 0; i < gamecount; i++)
if (!strcmp(id_name, gamelist[i]->name))
break;
if (i == gamecount) {
err = "Save file is for a game not "
"supported by this program";
} else {
me = midend_for_new_game(fe, gamelist[i], NULL,
false, false, &err_w);
err = err_w;
rewind(fp); /* for the actual load */
}
sfree(id_name);
}
#endif
if (!err)
err = midend_deserialise(me, savefile_read, fp);
fclose(fp);
if (err) {
MessageBox(hwnd, err, "Error", MB_ICONERROR|MB_OK);
sfree(err_w);
break;
}
if (fe->me != me)
fe_set_midend(fe, me);
new_game_size(fe, 1.0);
}
}
}
break;
case IDM_HELPC:
start_help(fe, NULL);
break;
case IDM_GAMEHELP:
assert(help_type != NONE);
start_help(fe, help_type == CHM ?
fe->game->htmlhelp_topic : fe->game->winhelp_topic);
break;
default: {
unsigned n;
#ifdef COMBINED
n = (wParam - IDM_GAME_BASE) / MENUITEM_STEP;
if (n < gamecount && wParam == IDM_GAME_BASE + MENUITEM_STEP * n) {
char *error = NULL;
fe_set_midend(fe, midend_for_new_game(fe, gamelist[n], NULL,
false, false, &error));
sfree(error);
break;
}
#endif
n = (wParam - IDM_PRESET_BASE) / MENUITEM_STEP;
if (wParam == IDM_PRESET_BASE + MENUITEM_STEP * n) {
game_params *preset = preset_menu_lookup_by_id(
fe->preset_menu, n);
if (preset) {
midend_set_params(fe->me, preset);
new_game_type(fe);
break;
}
}
break;
}
}
break;
case WM_DESTROY:
stop_help(fe);
frontend_free(fe);
PostQuitMessage(0);
return 0;
case WM_PAINT:
{
PAINTSTRUCT p;
HDC hdc, hdc2;
HBITMAP prevbm;
RECT rcDest;
hdc = BeginPaint(hwnd, &p);
hdc2 = CreateCompatibleDC(hdc);
prevbm = SelectObject(hdc2, fe->bitmap);
IntersectRect(&rcDest, &(fe->bitmapPosition), &(p.rcPaint));
BitBlt(hdc,
rcDest.left, rcDest.top,
rcDest.right - rcDest.left,
rcDest.bottom - rcDest.top,
hdc2,
rcDest.left - fe->bitmapPosition.left,
rcDest.top - fe->bitmapPosition.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) == PKR_QUIT)
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) - fe->bitmapPosition.left,
(signed short)HIWORD(lParam) - fe->bitmapPosition.top,
button) == PKR_QUIT)
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) - fe->bitmapPosition.left,
(signed short)HIWORD(lParam) - fe->bitmapPosition.top,
button) == PKR_QUIT)
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) - fe->bitmapPosition.left,
(signed short)HIWORD(lParam) - fe->bitmapPosition.top,
button) == PKR_QUIT)
PostQuitMessage(0);
}
break;
case WM_CHAR:
{
int key = (unsigned char)wParam;
if (key == '\x1A') {
BYTE keystate[256];
if (GetKeyboardState(keystate) &&
(keystate[VK_SHIFT] & 0x80) &&
(keystate[VK_CONTROL] & 0x80))
key = UI_REDO;
}
if (midend_process_key(fe->me, 0, 0, key) == PKR_QUIT)
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;
case WM_SIZING:
{
RECT *sr = (RECT *)lParam;
int wx, wy;
bool isedge = false;
if (wParam == WMSZ_TOP ||
wParam == WMSZ_RIGHT ||
wParam == WMSZ_BOTTOM ||
wParam == WMSZ_LEFT) isedge = true;
adjust_game_size(fe, sr, isedge, &wx, &wy);
/* Given the window size the puzzles constrain
* us to, work out which edge we should be moving. */
if (wParam == WMSZ_TOP ||
wParam == WMSZ_TOPLEFT ||
wParam == WMSZ_TOPRIGHT) {
sr->top = sr->bottom - wy;
} else {
sr->bottom = sr->top + wy;
}
if (wParam == WMSZ_LEFT ||
wParam == WMSZ_TOPLEFT ||
wParam == WMSZ_BOTTOMLEFT) {
sr->left = sr->right - wx;
} else {
sr->right = sr->left + wx;
}
return true;
}
break;
}
return DefWindowProc(hwnd, message, wParam, lParam);
}
/*
* Split a complete command line into argc/argv, attempting to do it
* exactly the same way the Visual Studio C library would do it (so
* that our console utilities, which receive argc and argv already
* broken apart by the C library, will have their command lines
* processed in the same way as the GUI utilities which get a whole
* command line and must call this function).
*
* Does not modify the input command line.
*
* The final parameter (argstart) is used to return a second array
* of char * pointers, the same length as argv, each one pointing
* at the start of the corresponding element of argv in the
* original command line. So if you get half way through processing
* your command line in argc/argv form and then decide you want to
* treat the rest as a raw string, you can. If you don't want to,
* `argstart' can be safely left NULL.
*/
void split_into_argv(char *cmdline, int *argc, char ***argv,
char ***argstart)
{
char *p;
char *outputline, *q;
char **outputargv, **outputargstart;
int outputargc;
/*
* These argument-breaking rules apply to Visual Studio 7, which
* is currently the compiler expected to be used for the Windows
* port of my puzzles. Visual Studio 10 has different rules,
* lacking the curious mod 3 behaviour of consecutive quotes
* described below; I presume they fixed a bug. As and when we
* migrate to a newer compiler, we'll have to adjust this to
* match; however, for the moment we faithfully imitate in our GUI
* utilities what our CLI utilities can't be prevented from doing.
*
* When I investigated this, at first glance the rules appeared to
* be:
*
* - Single quotes are not special characters.
*
* - Double quotes are removed, but within them spaces cease
* to be special.
*
* - Backslashes are _only_ special when a sequence of them
* appear just before a double quote. In this situation,
* they are treated like C backslashes: so \" just gives a
* literal quote, \\" gives a literal backslash and then
* opens or closes a double-quoted segment, \\\" gives a
* literal backslash and then a literal quote, \\\\" gives
* two literal backslashes and then opens/closes a
* double-quoted segment, and so forth. Note that this
* behaviour is identical inside and outside double quotes.
*
* - Two successive double quotes become one literal double
* quote, but only _inside_ a double-quoted segment.
* Outside, they just form an empty double-quoted segment
* (which may cause an empty argument word).
*
* - That only leaves the interesting question of what happens
* when one or more backslashes precedes two or more double
* quotes, starting inside a double-quoted string. And the
* answer to that appears somewhat bizarre. Here I tabulate
* number of backslashes (across the top) against number of
* quotes (down the left), and indicate how many backslashes
* are output, how many quotes are output, and whether a
* quoted segment is open at the end of the sequence:
*
* backslashes
*
* 0 1 2 3 4
*
* 0 0,0,y | 1,0,y 2,0,y 3,0,y 4,0,y
* --------+-----------------------------
* 1 0,0,n | 0,1,y 1,0,n 1,1,y 2,0,n
* q 2 0,1,n | 0,1,n 1,1,n 1,1,n 2,1,n
* u 3 0,1,y | 0,2,n 1,1,y 1,2,n 2,1,y
* o 4 0,1,n | 0,2,y 1,1,n 1,2,y 2,1,n
* t 5 0,2,n | 0,2,n 1,2,n 1,2,n 2,2,n
* e 6 0,2,y | 0,3,n 1,2,y 1,3,n 2,2,y
* s 7 0,2,n | 0,3,y 1,2,n 1,3,y 2,2,n
* 8 0,3,n | 0,3,n 1,3,n 1,3,n 2,3,n
* 9 0,3,y | 0,4,n 1,3,y 1,4,n 2,3,y
* 10 0,3,n | 0,4,y 1,3,n 1,4,y 2,3,n
* 11 0,4,n | 0,4,n 1,4,n 1,4,n 2,4,n
*
*
* [Test fragment was of the form "a\\\"""b c" d.]
*
* There is very weird mod-3 behaviour going on here in the
* number of quotes, and it even applies when there aren't any
* backslashes! How ghastly.
*
* With a bit of thought, this extremely odd diagram suddenly
* coalesced itself into a coherent, if still ghastly, model of
* how things work:
*
* - As before, backslashes are only special when one or more
* of them appear contiguously before at least one double
* quote. In this situation the backslashes do exactly what
* you'd expect: each one quotes the next thing in front of
* it, so you end up with n/2 literal backslashes (if n is
* even) or (n-1)/2 literal backslashes and a literal quote
* (if n is odd). In the latter case the double quote
* character right after the backslashes is used up.
*
* - After that, any remaining double quotes are processed. A
* string of contiguous unescaped double quotes has a mod-3
* behaviour:
*
* * inside a quoted segment, a quote ends the segment.
* * _immediately_ after ending a quoted segment, a quote
* simply produces a literal quote.
* * otherwise, outside a quoted segment, a quote begins a
* quoted segment.
*
* So, for example, if we started inside a quoted segment
* then two contiguous quotes would close the segment and
* produce a literal quote; three would close the segment,
* produce a literal quote, and open a new segment. If we
* started outside a quoted segment, then two contiguous
* quotes would open and then close a segment, producing no
* output (but potentially creating a zero-length argument);
* but three quotes would open and close a segment and then
* produce a literal quote.
*/
/*
* First deal with the simplest of all special cases: if there
* aren't any arguments, return 0,NULL,NULL.
*/
while (*cmdline && isspace(*cmdline)) cmdline++;
if (!*cmdline) {
if (argc) *argc = 0;
if (argv) *argv = NULL;
if (argstart) *argstart = NULL;
return;
}
/*
* This will guaranteeably be big enough; we can realloc it
* down later.
*/
outputline = snewn(1+strlen(cmdline), char);
outputargv = snewn(strlen(cmdline)+1 / 2, char *);
outputargstart = snewn(strlen(cmdline)+1 / 2, char *);
p = cmdline; q = outputline; outputargc = 0;
while (*p) {
bool quote;
/* Skip whitespace searching for start of argument. */
while (*p && isspace(*p)) p++;
if (!*p) break;
/* We have an argument; start it. */
outputargv[outputargc] = q;
outputargstart[outputargc] = p;
outputargc++;
quote = false;
/* Copy data into the argument until it's finished. */
while (*p) {
if (!quote && isspace(*p))
break; /* argument is finished */
if (*p == '"' || *p == '\\') {
/*
* We have a sequence of zero or more backslashes
* followed by a sequence of zero or more quotes.
* Count up how many of each, and then deal with
* them as appropriate.
*/
int i, slashes = 0, quotes = 0;
while (*p == '\\') slashes++, p++;
while (*p == '"') quotes++, p++;
if (!quotes) {
/*
* Special case: if there are no quotes,
* slashes are not special at all, so just copy
* n slashes to the output string.
*/
while (slashes--) *q++ = '\\';
} else {
/* Slashes annihilate in pairs. */
while (slashes >= 2) slashes -= 2, *q++ = '\\';
/* One remaining slash takes out the first quote. */
if (slashes) quotes--, *q++ = '"';
if (quotes > 0) {
/* Outside a quote segment, a quote starts one. */
if (!quote) quotes--, quote = true;
/* Now we produce (n+1)/3 literal quotes... */
for (i = 3; i <= quotes+1; i += 3) *q++ = '"';
/* ... and end in a quote segment iff 3 divides n. */
quote = (quotes % 3 == 0);
}
}
} else {
*q++ = *p++;
}
}
/* At the end of an argument, just append a trailing NUL. */
*q++ = '\0';
}
outputargv = sresize(outputargv, outputargc, char *);
outputargstart = sresize(outputargstart, outputargc, char *);
if (argc) *argc = outputargc;
if (argv) *argv = outputargv; else sfree(outputargv);
if (argstart) *argstart = outputargstart; else sfree(outputargstart);
}
int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show)
{
MSG msg;
char *error = NULL;
const game *gg;
frontend *fe;
midend *me;
int argc;
char **argv;
split_into_argv(cmdline, &argc, &argv, NULL);
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 = CLASSNAME;
RegisterClass(&wndclass);
}
while (*cmdline && isspace((unsigned char)*cmdline))
cmdline++;
init_help();
#ifdef COMBINED
gg = gamelist[0];
if (argc > 0) {
int i;
for (i = 0; i < gamecount; i++) {
const char *p = gamelist[i]->name;
char *q = argv[0];
while (*p && *q) {
if (isspace((unsigned char)*p)) {
while (*q && isspace((unsigned char)*q))
q++;
} else {
if (tolower((unsigned char)*p) !=
tolower((unsigned char)*q))
break;
q++;
}
p++;
}
if (!*p) {
gg = gamelist[i];
--argc;
++argv;
break;
}
}
}
#else
gg = &thegame;
#endif
fe = frontend_new(inst);
me = midend_for_new_game(fe, gg, argc > 0 ? argv[0] : NULL,
true, true, &error);
if (!me) {
char buf[128];
#ifdef COMBINED
sprintf(buf, "Puzzles Error");
#else
sprintf(buf, "%.100s Error", gg->name);
#endif
MessageBox(NULL, error, buf, MB_OK|MB_ICONERROR);
sfree(error);
return 1;
}
fe_set_midend(fe, me);
show_window(fe);
while (GetMessage(&msg, NULL, 0, 0)) {
DispatchMessage(&msg);
}
DestroyWindow(fe->hwnd);
cleanup_help();
return msg.wParam;
}
/* vim: set shiftwidth=4 tabstop=8: */
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