/*
* windows.c: Windows front end for my puzzle collection.
- *
- * TODO:
- *
- * - Figure out what to do if a puzzle requests a size bigger than
- * the screen will take. In principle we could put scrollbars in
- * the window, although that would be pretty horrid. Another
- * option is to detect in advance that this will be a problem -
- * we can probably tell this using midend_size() before actually
- * generating the puzzle - and simply refuse to do it.
*/
#include <windows.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdlib.h>
+#include <limits.h>
#include <time.h>
#include "puzzles.h"
#define IDM_HELPC 0x00B0
#define IDM_GAMEHELP 0x00C0
#define IDM_ABOUT 0x00D0
-#define IDM_PRESETS 0x0100
+#define IDM_SAVE 0x00E0
+#define IDM_LOAD 0x00F0
+#define IDM_PRINT 0x0100
+#define IDM_PRESETS 0x0110
#define HELP_FILE_NAME "puzzles.hlp"
#define HELP_CNT_NAME "puzzles.cnt"
-#ifdef DEBUG
+#ifdef DEBUGGING
static FILE *debug_fp = NULL;
static HANDLE debug_hdl = INVALID_HANDLE_VALUE;
static int debug_got_console = 0;
dputs(buf);
va_end(ap);
}
-
-#define debug(x) (debug_printf x)
-
-#else
-
-#define debug(x)
-
#endif
struct font {
int ctlid;
};
+struct blitter {
+ HBITMAP bitmap;
+ frontend *fe;
+ int x, y, w, h;
+};
+
+enum { CFG_PRINT = CFG_FRONTEND_SPECIFIC };
+
struct frontend {
- midend_data *me;
+ midend *me;
HWND hwnd, statusbar, cfgbox;
HINSTANCE inst;
HBITMAP bitmap, prevbm;
- HDC hdc_bm;
+ HDC hdc;
COLORREF *colours;
HBRUSH *brushes;
HPEN *pens;
struct cfg_aux *cfgaux;
int cfg_which, dlg_done;
HFONT cfgfont;
+ HBRUSH oldbr;
+ HPEN oldpen;
char *help_path;
int help_has_contents;
+ char *laststatus;
+ enum { DRAWING, PRINTING, NOTHING } drawstatus;
+ DOCINFO di;
+ int printcount, printw, printh, printsolns, printcurr, printcolour;
+ float printscale;
+ int printoffsetx, printoffsety;
+ float printpixelscale;
+ int fontstart;
+ int linewidth;
+ drawing *dr;
};
void fatal(char *fmt, ...)
exit(1);
}
+char *geterrstr(void)
+{
+ LPVOID lpMsgBuf;
+ DWORD dw = GetLastError();
+ char *ret;
+
+ FormatMessage(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER |
+ FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL,
+ dw,
+ MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+ (LPTSTR) &lpMsgBuf,
+ 0, NULL );
+
+ ret = dupstr(lpMsgBuf);
+
+ LocalFree(lpMsgBuf);
+
+ return ret;
+}
+
void get_random_seed(void **randseed, int *randseedsize)
{
time_t *tp = snew(time_t);
*randseedsize = sizeof(time_t);
}
-void status_bar(frontend *fe, char *text)
+static void win_status_bar(void *handle, char *text)
+{
+ frontend *fe = (frontend *)handle;
+ char *rewritten;
+
+ rewritten = midend_rewrite_statusbar(fe->me, text);
+ if (!fe->laststatus || strcmp(rewritten, fe->laststatus)) {
+ SetWindowText(fe->statusbar, rewritten);
+ sfree(fe->laststatus);
+ fe->laststatus = rewritten;
+ } else {
+ sfree(rewritten);
+ }
+}
+
+static blitter *win_blitter_new(void *handle, int w, int h)
+{
+ blitter *bl = snew(blitter);
+
+ memset(bl, 0, sizeof(blitter));
+ bl->w = w;
+ bl->h = h;
+ bl->bitmap = 0;
+
+ return bl;
+}
+
+static void win_blitter_free(void *handle, blitter *bl)
+{
+ if (bl->bitmap) DeleteObject(bl->bitmap);
+ sfree(bl);
+}
+
+static void blitter_mkbitmap(frontend *fe, blitter *bl)
+{
+ HDC hdc = GetDC(fe->hwnd);
+ bl->bitmap = CreateCompatibleBitmap(hdc, bl->w, bl->h);
+ ReleaseDC(fe->hwnd, hdc);
+}
+
+/* BitBlt(dstDC, dstX, dstY, dstW, dstH, srcDC, srcX, srcY, dType) */
+
+static void win_blitter_save(void *handle, blitter *bl, int x, int y)
+{
+ frontend *fe = (frontend *)handle;
+ HDC hdc_win, hdc_blit;
+ HBITMAP prev_blit;
+
+ assert(fe->drawstatus == DRAWING);
+
+ if (!bl->bitmap) blitter_mkbitmap(fe, bl);
+
+ bl->x = x; bl->y = y;
+
+ hdc_win = GetDC(fe->hwnd);
+ hdc_blit = CreateCompatibleDC(hdc_win);
+ if (!hdc_blit) fatal("hdc_blit failed: 0x%x", GetLastError());
+
+ prev_blit = SelectObject(hdc_blit, bl->bitmap);
+ if (prev_blit == NULL || prev_blit == HGDI_ERROR)
+ fatal("SelectObject for hdc_main failed: 0x%x", GetLastError());
+
+ if (!BitBlt(hdc_blit, 0, 0, bl->w, bl->h,
+ fe->hdc, x, y, SRCCOPY))
+ fatal("BitBlt failed: 0x%x", GetLastError());
+
+ SelectObject(hdc_blit, prev_blit);
+ DeleteDC(hdc_blit);
+ ReleaseDC(fe->hwnd, hdc_win);
+}
+
+static void win_blitter_load(void *handle, blitter *bl, int x, int y)
{
- SetWindowText(fe->statusbar, text);
+ frontend *fe = (frontend *)handle;
+ HDC hdc_win, hdc_blit;
+ HBITMAP prev_blit;
+
+ assert(fe->drawstatus == DRAWING);
+
+ assert(bl->bitmap); /* we should always have saved before loading */
+
+ if (x == BLITTER_FROMSAVED) x = bl->x;
+ if (y == BLITTER_FROMSAVED) y = bl->y;
+
+ hdc_win = GetDC(fe->hwnd);
+ hdc_blit = CreateCompatibleDC(hdc_win);
+
+ prev_blit = SelectObject(hdc_blit, bl->bitmap);
+
+ BitBlt(fe->hdc, x, y, bl->w, bl->h,
+ hdc_blit, 0, 0, SRCCOPY);
+
+ SelectObject(hdc_blit, prev_blit);
+ DeleteDC(hdc_blit);
+ ReleaseDC(fe->hwnd, hdc_win);
}
void frontend_default_colour(frontend *fe, float *output)
output[2] = (float)(GetBValue(c) / 255.0);
}
-void clip(frontend *fe, int x, int y, int w, int h)
+static POINT win_transform_point(frontend *fe, int x, int y)
{
- IntersectClipRect(fe->hdc_bm, x, y, x+w, y+h);
+ 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;
}
-void unclip(frontend *fe)
+static void win_text_colour(frontend *fe, int colour)
{
- SelectClipRgn(fe->hdc_bm, NULL);
+ assert(fe->drawstatus != NOTHING);
+
+ if (fe->drawstatus == PRINTING) {
+ int hatch;
+ float r, g, b;
+ print_get_colour(fe->dr, colour, &hatch, &r, &g, &b);
+ if (fe->printcolour)
+ SetTextColor(fe->hdc, RGB(r * 255, g * 255, b * 255));
+ else
+ SetTextColor(fe->hdc,
+ hatch == HATCH_CLEAR ? RGB(255,255,255) : RGB(0,0,0));
+ } else {
+ SetTextColor(fe->hdc, fe->colours[colour]);
+ }
}
-void draw_text(frontend *fe, int x, int y, int fonttype, int fontsize,
- int align, int colour, char *text)
+static void win_set_brush(frontend *fe, int colour)
{
+ HBRUSH br;
+ assert(fe->drawstatus != NOTHING);
+
+ if (fe->drawstatus == PRINTING) {
+ int hatch;
+ float r, g, b;
+ print_get_colour(fe->dr, colour, &hatch, &r, &g, &b);
+
+ if (fe->printcolour)
+ br = CreateSolidBrush(RGB(r * 255, g * 255, b * 255));
+ else if (hatch == HATCH_SOLID)
+ br = CreateSolidBrush(RGB(0,0,0));
+ else if (hatch == HATCH_CLEAR)
+ br = CreateSolidBrush(RGB(255,255,255));
+ else
+ br = CreateHatchBrush(hatch == HATCH_BACKSLASH ? HS_FDIAGONAL :
+ hatch == HATCH_SLASH ? HS_BDIAGONAL :
+ hatch == HATCH_HORIZ ? HS_HORIZONTAL :
+ hatch == HATCH_VERT ? HS_VERTICAL :
+ hatch == HATCH_PLUS ? HS_CROSS :
+ /* hatch == HATCH_X ? */ HS_DIAGCROSS,
+ RGB(0,0,0));
+ } else {
+ br = fe->brushes[colour];
+ }
+ fe->oldbr = SelectObject(fe->hdc, br);
+}
+
+static void win_reset_brush(frontend *fe)
+{
+ HBRUSH br;
+
+ assert(fe->drawstatus != NOTHING);
+
+ br = SelectObject(fe->hdc, fe->oldbr);
+ if (fe->drawstatus == PRINTING)
+ DeleteObject(br);
+}
+
+static void win_set_pen(frontend *fe, int colour, int thin)
+{
+ HPEN pen;
+ assert(fe->drawstatus != NOTHING);
+
+ if (fe->drawstatus == PRINTING) {
+ int hatch;
+ float r, g, b;
+ int width = thin ? 0 : fe->linewidth;
+
+ print_get_colour(fe->dr, colour, &hatch, &r, &g, &b);
+ if (fe->printcolour)
+ pen = CreatePen(PS_SOLID, width,
+ RGB(r * 255, g * 255, b * 255));
+ else if (hatch == HATCH_SOLID)
+ pen = CreatePen(PS_SOLID, width, RGB(0, 0, 0));
+ else if (hatch == HATCH_CLEAR)
+ pen = CreatePen(PS_SOLID, width, RGB(255,255,255));
+ else {
+ assert(!"This shouldn't happen");
+ pen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0));
+ }
+ } else {
+ pen = fe->pens[colour];
+ }
+ fe->oldpen = SelectObject(fe->hdc, pen);
+}
+
+static void win_reset_pen(frontend *fe)
+{
+ HPEN pen;
+
+ assert(fe->drawstatus != NOTHING);
+
+ pen = SelectObject(fe->hdc, fe->oldpen);
+ if (fe->drawstatus == PRINTING)
+ DeleteObject(pen);
+}
+
+static void win_clip(void *handle, int x, int y, int w, int h)
+{
+ frontend *fe = (frontend *)handle;
+ POINT p, q;
+
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ p = win_transform_point(fe, x, y);
+ q = win_transform_point(fe, x+w, y+h);
+ IntersectClipRect(fe->hdc, p.x, p.y, q.x, q.y);
+}
+
+static void win_unclip(void *handle)
+{
+ frontend *fe = (frontend *)handle;
+
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ SelectClipRgn(fe->hdc, NULL);
+}
+
+static void win_draw_text(void *handle, int x, int y, int fonttype,
+ int fontsize, int align, int colour, char *text)
+{
+ frontend *fe = (frontend *)handle;
+ POINT xy;
int i;
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (fe->drawstatus == PRINTING)
+ fontsize = (int)(fontsize * fe->printpixelscale);
+
+ xy = win_transform_point(fe, x, y);
+
/*
* Find or create the font.
*/
- for (i = 0; i < fe->nfonts; i++)
+ for (i = fe->fontstart; i < fe->nfonts; i++)
if (fe->fonts[i].type == fonttype && fe->fonts[i].size == fontsize)
break;
fe->fonts[i].type = fonttype;
fe->fonts[i].size = fontsize;
- fe->fonts[i].font = CreateFont(-fontsize, 0, 0, 0, FW_BOLD,
+ fe->fonts[i].font = CreateFont(-fontsize, 0, 0, 0,
+ fe->drawstatus == PRINTING ? 0 : FW_BOLD,
FALSE, FALSE, FALSE, DEFAULT_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
TEXTMETRIC tm;
SIZE size;
- oldfont = SelectObject(fe->hdc_bm, fe->fonts[i].font);
- if (GetTextMetrics(fe->hdc_bm, &tm)) {
+ oldfont = SelectObject(fe->hdc, fe->fonts[i].font);
+ if (GetTextMetrics(fe->hdc, &tm)) {
if (align & ALIGN_VCENTRE)
- y -= (tm.tmAscent+tm.tmDescent)/2;
+ xy.y -= (tm.tmAscent+tm.tmDescent)/2;
else
- y -= tm.tmAscent;
+ xy.y -= tm.tmAscent;
}
- if (GetTextExtentPoint32(fe->hdc_bm, text, strlen(text), &size)) {
+ if (GetTextExtentPoint32(fe->hdc, text, strlen(text), &size)) {
if (align & ALIGN_HCENTRE)
- x -= size.cx / 2;
+ xy.x -= size.cx / 2;
else if (align & ALIGN_HRIGHT)
- x -= size.cx;
+ xy.x -= size.cx;
}
- SetBkMode(fe->hdc_bm, TRANSPARENT);
- SetTextColor(fe->hdc_bm, fe->colours[colour]);
- TextOut(fe->hdc_bm, x, y, text, strlen(text));
- SelectObject(fe->hdc_bm, oldfont);
+ SetBkMode(fe->hdc, TRANSPARENT);
+ win_text_colour(fe, colour);
+ TextOut(fe->hdc, xy.x, xy.y, text, strlen(text));
+ SelectObject(fe->hdc, oldfont);
}
}
-void draw_rect(frontend *fe, int x, int y, int w, int h, int colour)
+static void win_draw_rect(void *handle, int x, int y, int w, int h, int colour)
{
- if (w == 1 && h == 1) {
+ frontend *fe = (frontend *)handle;
+ POINT p, q;
+
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (fe->drawstatus == DRAWING && w == 1 && h == 1) {
/*
* Rectangle() appears to get uppity if asked to draw a 1x1
* rectangle, presumably on the grounds that that's beneath
* its dignity and you ought to be using SetPixel instead.
* So I will.
*/
- SetPixel(fe->hdc_bm, x, y, fe->colours[colour]);
+ SetPixel(fe->hdc, 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);
+ 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);
}
}
-void draw_line(frontend *fe, int x1, int y1, int x2, int y2, int colour)
+static void win_draw_line(void *handle, 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);
+ frontend *fe = (frontend *)handle;
+ POINT p, q;
+
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ win_set_pen(fe, colour, FALSE);
+ p = win_transform_point(fe, x1, y1);
+ q = win_transform_point(fe, x2, y2);
+ MoveToEx(fe->hdc, p.x, p.y, NULL);
+ LineTo(fe->hdc, q.x, q.y);
+ if (fe->drawstatus == DRAWING)
+ SetPixel(fe->hdc, q.x, q.y, fe->colours[colour]);
+ win_reset_pen(fe);
+}
+
+static void win_draw_circle(void *handle, int cx, int cy, int radius,
+ int fillcolour, int outlinecolour)
+{
+ frontend *fe = (frontend *)handle;
+ POINT p, q, r;
+
+ assert(outlinecolour >= 0);
+
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (fillcolour >= 0) {
+ win_set_brush(fe, fillcolour);
+ win_set_pen(fe, outlinecolour, FALSE);
+ p = win_transform_point(fe, cx - radius, cy - radius);
+ q = win_transform_point(fe, cx + radius, cy + radius);
+ Ellipse(fe->hdc, p.x, p.y, q.x+1, q.y+1);
+ win_reset_brush(fe);
+ win_reset_pen(fe);
+ } else {
+ win_set_pen(fe, outlinecolour, FALSE);
+ p = win_transform_point(fe, cx - radius, cy - radius);
+ q = win_transform_point(fe, cx + radius, cy + radius);
+ r = win_transform_point(fe, cx - radius, cy);
+ Arc(fe->hdc, p.x, p.y, q.x+1, q.y+1, r.x, r.y, r.x, r.y);
+ win_reset_pen(fe);
+ }
}
-void draw_polygon(frontend *fe, int *coords, int npoints,
- int fill, int colour)
+static void win_draw_polygon(void *handle, int *coords, int npoints,
+ int fillcolour, int outlinecolour)
{
- POINT *pts = snewn(npoints+1, POINT);
+ frontend *fe = (frontend *)handle;
+ POINT *pts;
int i;
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ pts = snewn(npoints+1, POINT);
+
for (i = 0; i <= npoints; i++) {
int j = (i < npoints ? i : 0);
- pts[i].x = coords[j*2];
- pts[i].y = coords[j*2+1];
+ pts[i] = win_transform_point(fe, coords[j*2], 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);
+ 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 {
- HPEN oldpen = SelectObject(fe->hdc_bm, fe->pens[colour]);
- Polyline(fe->hdc_bm, pts, npoints+1);
- SelectObject(fe->hdc_bm, oldpen);
+ win_set_pen(fe, outlinecolour, FALSE);
+ Polyline(fe->hdc, pts, npoints+1);
+ win_reset_pen(fe);
}
sfree(pts);
}
-void start_draw(frontend *fe)
+static void win_start_draw(void *handle)
{
+ frontend *fe = (frontend *)handle;
HDC hdc_win;
+
+ assert(fe->drawstatus == NOTHING);
+
hdc_win = GetDC(fe->hwnd);
- fe->hdc_bm = CreateCompatibleDC(hdc_win);
- fe->prevbm = SelectObject(fe->hdc_bm, fe->bitmap);
+ fe->hdc = CreateCompatibleDC(hdc_win);
+ fe->prevbm = SelectObject(fe->hdc, fe->bitmap);
ReleaseDC(fe->hwnd, hdc_win);
fe->clip = NULL;
- SetMapMode(fe->hdc_bm, MM_TEXT);
+ SetMapMode(fe->hdc, MM_TEXT);
+ fe->drawstatus = DRAWING;
}
-void draw_update(frontend *fe, int x, int y, int w, int h)
+static void win_draw_update(void *handle, int x, int y, int w, int h)
{
+ frontend *fe = (frontend *)handle;
RECT r;
+ if (fe->drawstatus != DRAWING)
+ return;
+
r.left = x;
r.top = y;
r.right = x + w;
InvalidateRect(fe->hwnd, &r, FALSE);
}
-void end_draw(frontend *fe)
+static void win_end_draw(void *handle)
{
- SelectObject(fe->hdc_bm, fe->prevbm);
- DeleteDC(fe->hdc_bm);
+ frontend *fe = (frontend *)handle;
+ assert(fe->drawstatus == DRAWING);
+ SelectObject(fe->hdc, fe->prevbm);
+ DeleteDC(fe->hdc);
if (fe->clip) {
DeleteObject(fe->clip);
fe->clip = NULL;
}
+ fe->drawstatus = NOTHING;
+}
+
+static void win_line_width(void *handle, float width)
+{
+ frontend *fe = (frontend *)handle;
+
+ assert(fe->drawstatus != DRAWING);
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ fe->linewidth = (int)(width * fe->printpixelscale);
+}
+
+static void win_begin_doc(void *handle, int pages)
+{
+ frontend *fe = (frontend *)handle;
+
+ assert(fe->drawstatus != DRAWING);
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (StartDoc(fe->hdc, &fe->di) <= 0) {
+ char *e = geterrstr();
+ MessageBox(fe->hwnd, e, "Error starting to print",
+ MB_ICONERROR | MB_OK);
+ sfree(e);
+ fe->drawstatus = NOTHING;
+ }
+
+ /*
+ * Push a marker on the font stack so that we won't use the
+ * same fonts for printing and drawing. (This is because
+ * drawing seems to look generally better in bold, but printing
+ * is better not in bold.)
+ */
+ fe->fontstart = fe->nfonts;
+}
+
+static void win_begin_page(void *handle, int number)
+{
+ frontend *fe = (frontend *)handle;
+
+ assert(fe->drawstatus != DRAWING);
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (StartPage(fe->hdc) <= 0) {
+ char *e = geterrstr();
+ MessageBox(fe->hwnd, e, "Error starting a page",
+ MB_ICONERROR | MB_OK);
+ sfree(e);
+ fe->drawstatus = NOTHING;
+ }
+}
+
+static void win_begin_puzzle(void *handle, float xm, float xc,
+ float ym, float yc, int pw, int ph, float wmm)
+{
+ frontend *fe = (frontend *)handle;
+ int ppw, pph, pox, poy;
+ float mmpw, mmph, mmox, mmoy;
+ float scale;
+
+ assert(fe->drawstatus != DRAWING);
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ ppw = GetDeviceCaps(fe->hdc, HORZRES);
+ pph = GetDeviceCaps(fe->hdc, VERTRES);
+ mmpw = (float)GetDeviceCaps(fe->hdc, HORZSIZE);
+ mmph = (float)GetDeviceCaps(fe->hdc, VERTSIZE);
+
+ /*
+ * Compute the puzzle's position on the logical page.
+ */
+ mmox = xm * mmpw + xc;
+ mmoy = ym * mmph + yc;
+
+ /*
+ * Work out what that comes to in pixels.
+ */
+ pox = (int)(mmox * (float)ppw / mmpw);
+ poy = (int)(mmoy * (float)ppw / mmpw);
+
+ /*
+ * And determine the scale.
+ *
+ * I need a scale such that the maximum puzzle-coordinate
+ * extent of the rectangle (pw * scale) is equal to the pixel
+ * equivalent of the puzzle's millimetre width (wmm * ppw /
+ * mmpw).
+ */
+ scale = (wmm * ppw) / (mmpw * pw);
+
+ /*
+ * Now store pox, poy and scale for use in the main drawing
+ * functions.
+ */
+ fe->printoffsetx = pox;
+ fe->printoffsety = poy;
+ fe->printpixelscale = scale;
+
+ fe->linewidth = 1;
+}
+
+static void win_end_puzzle(void *handle)
+{
+ /* Nothing needs to be done here. */
+}
+
+static void win_end_page(void *handle, int number)
+{
+ frontend *fe = (frontend *)handle;
+
+ assert(fe->drawstatus != DRAWING);
+
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (EndPage(fe->hdc) <= 0) {
+ char *e = geterrstr();
+ MessageBox(fe->hwnd, e, "Error finishing a page",
+ MB_ICONERROR | MB_OK);
+ sfree(e);
+ fe->drawstatus = NOTHING;
+ }
+}
+
+static void win_end_doc(void *handle)
+{
+ frontend *fe = (frontend *)handle;
+
+ assert(fe->drawstatus != DRAWING);
+
+ /*
+ * Free all the fonts created since we began printing.
+ */
+ while (fe->nfonts > fe->fontstart) {
+ fe->nfonts--;
+ DeleteObject(fe->fonts[fe->nfonts].font);
+ }
+ fe->fontstart = 0;
+
+ /*
+ * The MSDN web site sample code doesn't bother to call EndDoc
+ * if an error occurs half way through printing. I expect doing
+ * so would cause the erroneous document to actually be
+ * printed, or something equally undesirable.
+ */
+ if (fe->drawstatus == NOTHING)
+ return;
+
+ if (EndDoc(fe->hdc) <= 0) {
+ char *e = geterrstr();
+ MessageBox(fe->hwnd, e, "Error finishing printing",
+ MB_ICONERROR | MB_OK);
+ sfree(e);
+ fe->drawstatus = NOTHING;
+ }
+}
+
+const struct drawing_api win_drawing = {
+ win_draw_text,
+ win_draw_rect,
+ win_draw_line,
+ win_draw_polygon,
+ win_draw_circle,
+ win_draw_update,
+ win_clip,
+ win_unclip,
+ win_start_draw,
+ win_end_draw,
+ win_status_bar,
+ win_blitter_new,
+ win_blitter_free,
+ win_blitter_save,
+ win_blitter_load,
+ win_begin_doc,
+ win_begin_page,
+ win_begin_puzzle,
+ win_end_puzzle,
+ win_end_page,
+ win_end_doc,
+ win_line_width,
+};
+
+void print(frontend *fe)
+{
+ PRINTDLG pd;
+ char doctitle[256];
+ document *doc;
+ midend *nme = NULL; /* non-interactive midend for bulk puzzle generation */
+ int i;
+ char *err = NULL;
+
+ /*
+ * Create our document structure and fill it up with puzzles.
+ */
+ doc = document_new(fe->printw, fe->printh, fe->printscale / 100.0F);
+ for (i = 0; i < fe->printcount; i++) {
+ if (i == 0 && fe->printcurr) {
+ err = midend_print_puzzle(fe->me, doc, fe->printsolns);
+ } else {
+ if (!nme) {
+ game_params *params;
+
+ nme = midend_new(NULL, &thegame, NULL, NULL);
+
+ /*
+ * Set the non-interactive mid-end to have the same
+ * parameters as the standard one.
+ */
+ params = midend_get_params(fe->me);
+ midend_set_params(nme, params);
+ thegame.free_params(params);
+ }
+
+ midend_new_game(nme);
+ err = midend_print_puzzle(nme, doc, fe->printsolns);
+ }
+ if (err)
+ break;
+ }
+ if (nme)
+ midend_free(nme);
+
+ if (err) {
+ MessageBox(fe->hwnd, err, "Error preparing puzzles for printing",
+ MB_ICONERROR | MB_OK);
+ document_free(doc);
+ return;
+ }
+
+ memset(&pd, 0, sizeof(pd));
+ pd.lStructSize = sizeof(pd);
+ pd.hwndOwner = fe->hwnd;
+ pd.hDevMode = NULL;
+ pd.hDevNames = NULL;
+ pd.Flags = PD_USEDEVMODECOPIESANDCOLLATE | PD_RETURNDC |
+ PD_NOPAGENUMS | PD_NOSELECTION;
+ pd.nCopies = 1;
+ pd.nFromPage = pd.nToPage = 0xFFFF;
+ pd.nMinPage = pd.nMaxPage = 1;
+
+ if (!PrintDlg(&pd)) {
+ document_free(doc);
+ return;
+ }
+
+ /*
+ * Now pd.hDC is a device context for the printer.
+ */
+
+ /*
+ * FIXME: IWBNI we put up an Abort box here.
+ */
+
+ memset(&fe->di, 0, sizeof(fe->di));
+ fe->di.cbSize = sizeof(fe->di);
+ sprintf(doctitle, "Printed puzzles from %s (from Simon Tatham's"
+ " Portable Puzzle Collection)", thegame.name);
+ fe->di.lpszDocName = doctitle;
+ fe->di.lpszOutput = NULL;
+ fe->di.lpszDatatype = NULL;
+ fe->di.fwType = 0;
+
+ fe->drawstatus = PRINTING;
+ fe->hdc = pd.hDC;
+
+ fe->dr = drawing_init(&win_drawing, 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)
{
- KillTimer(fe->hwnd, fe->timer);
+ if (!fe)
+ return; /* for non-interactive midend */
+ if (fe->hwnd) KillTimer(fe->hwnd, fe->timer);
fe->timer = 0;
}
void activate_timer(frontend *fe)
{
+ if (!fe)
+ return; /* for non-interactive midend */
if (!fe->timer) {
fe->timer = SetTimer(fe->hwnd, fe->timer, 20, NULL);
fe->timer_last_tickcount = GetTickCount();
}
}
+static void check_window_size(frontend *fe, int *px, int *py)
+{
+ RECT r;
+ int x, y, sy;
+
+ if (fe->statusbar) {
+ RECT sr;
+ GetWindowRect(fe->statusbar, &sr);
+ sy = sr.bottom - sr.top;
+ } else {
+ sy = 0;
+ }
+
+ /*
+ * See if we actually got the window size we wanted, and adjust
+ * the puzzle size if not.
+ */
+ GetClientRect(fe->hwnd, &r);
+ x = r.right - r.left;
+ y = r.bottom - r.top - sy;
+ midend_size(fe->me, &x, &y, FALSE);
+ if (x != r.right - r.left || y != r.bottom - r.top) {
+ /*
+ * Resize the window, now we know what size we _really_
+ * want it to be.
+ */
+ r.left = r.top = 0;
+ r.right = x;
+ r.bottom = y + sy;
+ AdjustWindowRectEx(&r, WS_OVERLAPPEDWINDOW &~
+ (WS_THICKFRAME | WS_MAXIMIZEBOX | WS_OVERLAPPED),
+ TRUE, 0);
+ SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left, r.bottom - r.top,
+ SWP_NOMOVE | SWP_NOZORDER);
+ }
+
+ if (fe->statusbar) {
+ GetClientRect(fe->hwnd, &r);
+ SetWindowPos(fe->statusbar, NULL, 0, r.bottom-r.top-sy, r.right-r.left,
+ sy, SWP_NOZORDER);
+ }
+
+ *px = x;
+ *py = y;
+}
+
static frontend *new_window(HINSTANCE inst, char *game_id, char **error)
{
frontend *fe;
int x, y;
- RECT r, sr;
+ RECT r;
HDC hdc;
fe = snew(frontend);
- fe->me = midend_new(fe, &thegame);
+ fe->me = midend_new(fe, &thegame, &win_drawing, fe);
if (game_id) {
*error = midend_game_id(fe->me, game_id);
find_help_file(fe);
fe->inst = inst;
- midend_new_game(fe->me);
- midend_size(fe->me, &x, &y);
fe->timer = 0;
+ fe->hwnd = NULL;
+
+ fe->drawstatus = NOTHING;
+ fe->dr = NULL;
+ fe->fontstart = 0;
+
+ midend_new_game(fe->me);
fe->fonts = NULL;
fe->nfonts = fe->fontsize = 0;
+ fe->laststatus = NULL;
+
{
int i, ncolours;
float *colours;
fe->brushes[i] = CreateSolidBrush(fe->colours[i]);
fe->pens[i] = CreatePen(PS_SOLID, 1, fe->colours[i]);
}
+ sfree(colours);
}
+ x = y = INT_MAX; /* find puzzle's preferred size */
+ midend_size(fe->me, &x, &y, FALSE);
+
r.left = r.top = 0;
r.right = x;
r.bottom = y;
r.right - r.left, r.bottom - r.top,
NULL, NULL, inst, NULL);
+ if (midend_wants_statusbar(fe->me)) {
+ RECT sr;
+ fe->statusbar = CreateWindowEx(0, STATUSCLASSNAME, "ooh",
+ WS_CHILD | WS_VISIBLE,
+ 0, 0, 0, 0, /* status bar does these */
+ fe->hwnd, NULL, inst, NULL);
+ /*
+ * Now resize the window to take account of the status bar.
+ */
+ GetWindowRect(fe->statusbar, &sr);
+ GetWindowRect(fe->hwnd, &r);
+ SetWindowPos(fe->hwnd, NULL, 0, 0, r.right - r.left,
+ r.bottom - r.top + sr.bottom - sr.top,
+ SWP_NOMOVE | SWP_NOZORDER);
+ } else {
+ fe->statusbar = NULL;
+ }
+
{
HMENU bar = CreateMenu();
HMENU menu = CreateMenu();
}
AppendMenu(menu, MF_SEPARATOR, 0, 0);
+ AppendMenu(menu, MF_ENABLED, IDM_LOAD, "Load");
+ AppendMenu(menu, MF_ENABLED, IDM_SAVE, "Save");
+ AppendMenu(menu, MF_SEPARATOR, 0, 0);
+ if (thegame.can_print) {
+ AppendMenu(menu, MF_ENABLED, IDM_PRINT, "Print");
+ AppendMenu(menu, MF_SEPARATOR, 0, 0);
+ }
AppendMenu(menu, MF_ENABLED, IDM_UNDO, "Undo");
AppendMenu(menu, MF_ENABLED, IDM_REDO, "Redo");
if (thegame.can_format_as_text) {
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;
- }
+ check_window_size(fe, &x, &y);
hdc = GetDC(fe->hwnd);
fe->bitmap = CreateCompatibleBitmap(hdc, x, y);
return 0;
}
+/*
+ * Wrappers on midend_{get,set}_config, which extend the CFG_*
+ * enumeration to add CFG_PRINT.
+ */
+static config_item *frontend_get_config(frontend *fe, int which,
+ char **wintitle)
+{
+ if (which < CFG_FRONTEND_SPECIFIC) {
+ return midend_get_config(fe->me, which, wintitle);
+ } else if (which == CFG_PRINT) {
+ config_item *ret;
+ int i;
+
+ *wintitle = snewn(40 + strlen(thegame.name), char);
+ sprintf(*wintitle, "%s print setup", thegame.name);
+
+ ret = snewn(8, config_item);
+
+ i = 0;
+
+ ret[i].name = "Number of puzzles to print";
+ ret[i].type = C_STRING;
+ ret[i].sval = dupstr("1");
+ ret[i].ival = 0;
+ i++;
+
+ ret[i].name = "Number of puzzles across the page";
+ ret[i].type = C_STRING;
+ ret[i].sval = dupstr("1");
+ ret[i].ival = 0;
+ i++;
+
+ ret[i].name = "Number of puzzles down the page";
+ ret[i].type = C_STRING;
+ ret[i].sval = dupstr("1");
+ ret[i].ival = 0;
+ i++;
+
+ ret[i].name = "Percentage of standard size";
+ ret[i].type = C_STRING;
+ ret[i].sval = dupstr("100.0");
+ ret[i].ival = 0;
+ i++;
+
+ ret[i].name = "Include currently shown puzzle";
+ ret[i].type = C_BOOLEAN;
+ ret[i].sval = NULL;
+ ret[i].ival = TRUE;
+ i++;
+
+ ret[i].name = "Print solutions";
+ ret[i].type = C_BOOLEAN;
+ ret[i].sval = NULL;
+ ret[i].ival = FALSE;
+ i++;
+
+ if (thegame.can_print_in_colour) {
+ ret[i].name = "Print in colour";
+ ret[i].type = C_BOOLEAN;
+ ret[i].sval = NULL;
+ ret[i].ival = FALSE;
+ i++;
+ }
+
+ ret[i].name = NULL;
+ ret[i].type = C_END;
+ ret[i].sval = NULL;
+ ret[i].ival = 0;
+ i++;
+
+ return ret;
+ } else {
+ assert(!"We should never get here");
+ return NULL;
+ }
+}
+
+static char *frontend_set_config(frontend *fe, int which, config_item *cfg)
+{
+ if (which < CFG_FRONTEND_SPECIFIC) {
+ return midend_set_config(fe->me, which, cfg);
+ } else if (which == CFG_PRINT) {
+ if ((fe->printcount = atoi(cfg[0].sval)) <= 0)
+ return "Number of puzzles to print should be at least one";
+ if ((fe->printw = atoi(cfg[1].sval)) <= 0)
+ return "Number of puzzles across the page should be at least one";
+ if ((fe->printh = atoi(cfg[2].sval)) <= 0)
+ return "Number of puzzles down the page should be at least one";
+ if ((fe->printscale = (float)atof(cfg[3].sval)) <= 0)
+ return "Print size should be positive";
+ fe->printcurr = cfg[4].ival;
+ fe->printsolns = cfg[5].ival;
+ fe->printcolour = thegame.can_print_in_colour && cfg[6].ival;
+ return NULL;
+ } else {
+ assert(!"We should never get here");
+ return "Internal error";
+ }
+}
+
static int CALLBACK ConfigDlgProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam)
{
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);
+ char *err = frontend_set_config(fe, fe->cfg_which, fe->cfg);
if (err) {
MessageBox(hwnd, err, "Validation error",
height = width = 30;
}
- fe->cfg = midend_get_config(fe->me, which, &title);
+ fe->cfg = frontend_get_config(fe, which, &title);
fe->cfg_which = which;
/*
return (fe->dlg_done == 2);
}
-static void new_game_type(frontend *fe)
+static void new_game_size(frontend *fe)
{
RECT r, sr;
HDC hdc;
int x, y;
- midend_new_game(fe->me);
- midend_size(fe->me, &x, &y);
+ x = y = INT_MAX;
+ midend_size(fe->me, &x, &y, FALSE);
r.left = r.top = 0;
r.right = x;
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);
midend_redraw(fe->me);
}
+static void new_game_type(frontend *fe)
+{
+ midend_new_game(fe->me);
+ new_game_size(fe);
+}
+
+static int is_alt_pressed(void)
+{
+ BYTE keystate[256];
+ int r = GetKeyboardState(keystate);
+ if (!r)
+ return FALSE;
+ if (keystate[VK_MENU] & 0x80)
+ return TRUE;
+ if (keystate[VK_RMENU] & 0x80)
+ return TRUE;
+ return FALSE;
+}
+
+static void savefile_write(void *wctx, void *buf, int len)
+{
+ FILE *fp = (FILE *)wctx;
+ fwrite(buf, 1, len, fp);
+}
+
+static int savefile_read(void *wctx, void *buf, int len)
+{
+ FILE *fp = (FILE *)wctx;
+ int ret;
+
+ ret = fread(buf, 1, len, fp);
+ return (ret == len);
+}
+
static LRESULT CALLBACK WndProc(HWND hwnd, UINT message,
WPARAM wParam, LPARAM lParam)
{
frontend *fe = (frontend *)GetWindowLong(hwnd, GWL_USERDATA);
+ int cmd;
switch (message) {
case WM_CLOSE:
DestroyWindow(hwnd);
return 0;
case WM_COMMAND:
- switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */
+ cmd = wParam & ~0xF; /* low 4 bits reserved to Windows */
+ switch (cmd) {
case IDM_NEW:
if (!midend_process_key(fe->me, 0, 0, 'n'))
PostQuitMessage(0);
if (get_config(fe, CFG_DESC))
new_game_type(fe);
break;
+ case IDM_PRINT:
+ if (get_config(fe, CFG_PRINT))
+ print(fe);
+ break;
case IDM_ABOUT:
about(fe);
break;
+ case IDM_LOAD:
+ case IDM_SAVE:
+ {
+ OPENFILENAME of;
+ char filename[FILENAME_MAX];
+ int ret;
+
+ memset(&of, 0, sizeof(of));
+ of.hwndOwner = hwnd;
+ of.lpstrFilter = "All Files (*.*)\0*\0\0\0";
+ of.lpstrCustomFilter = NULL;
+ of.nFilterIndex = 1;
+ of.lpstrFile = filename;
+ filename[0] = '\0';
+ of.nMaxFile = lenof(filename);
+ of.lpstrFileTitle = NULL;
+ of.lpstrTitle = (cmd == IDM_SAVE ?
+ "Enter name of game file to save" :
+ "Enter name of saved game file to load");
+ of.Flags = 0;
+#ifdef OPENFILENAME_SIZE_VERSION_400
+ of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
+#else
+ of.lStructSize = sizeof(of);
+#endif
+ of.lpstrInitialDir = NULL;
+
+ if (cmd == IDM_SAVE)
+ ret = GetSaveFileName(&of);
+ else
+ ret = GetOpenFileName(&of);
+
+ if (ret) {
+ if (cmd == IDM_SAVE) {
+ FILE *fp;
+
+ if ((fp = fopen(filename, "r")) != NULL) {
+ char buf[256 + FILENAME_MAX];
+ fclose(fp);
+ /* file exists */
+
+ sprintf(buf, "Are you sure you want to overwrite"
+ " the file \"%.*s\"?",
+ FILENAME_MAX, filename);
+ if (MessageBox(hwnd, buf, "Question",
+ MB_YESNO | MB_ICONQUESTION)
+ != IDYES)
+ break;
+ }
+
+ fp = fopen(filename, "w");
+
+ if (!fp) {
+ MessageBox(hwnd, "Unable to open save file",
+ "Error", MB_ICONERROR | MB_OK);
+ break;
+ }
+
+ midend_serialise(fe->me, savefile_write, fp);
+
+ fclose(fp);
+ } else {
+ FILE *fp = fopen(filename, "r");
+ char *err;
+
+ if (!fp) {
+ MessageBox(hwnd, "Unable to open saved game file",
+ "Error", MB_ICONERROR | MB_OK);
+ break;
+ }
+
+ err = midend_deserialise(fe->me, savefile_read, fp);
+
+ fclose(fp);
+
+ if (err) {
+ MessageBox(hwnd, err, "Error", MB_ICONERROR|MB_OK);
+ break;
+ }
+
+ new_game_size(fe);
+ }
+ }
+ }
+
+ break;
case IDM_HELPC:
assert(fe->help_path);
WinHelp(hwnd, fe->help_path,
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 = CURSOR_LEFT;
+ else
+ key = shift | ctrl | CURSOR_LEFT;
break;
case VK_RIGHT:
if (!(lParam & 0x01000000))
key = MOD_NUM_KEYPAD | '6';
- else
- key = CURSOR_RIGHT;
+ else
+ key = shift | ctrl | CURSOR_RIGHT;
break;
case VK_UP:
if (!(lParam & 0x01000000))
key = MOD_NUM_KEYPAD | '8';
- else
- key = CURSOR_UP;
+ else
+ key = shift | ctrl | CURSOR_UP;
break;
case VK_DOWN:
if (!(lParam & 0x01000000))
key = MOD_NUM_KEYPAD | '2';
- else
- key = CURSOR_DOWN;
+ else
+ key = shift | ctrl | CURSOR_DOWN;
break;
/*
* Diagonal keys on the numeric keypad.
*/
if (message == WM_MBUTTONDOWN || (wParam & MK_SHIFT))
button = MIDDLE_BUTTON;
- else if (message == WM_LBUTTONDOWN)
- button = LEFT_BUTTON;
- else
+ else if (message == WM_RBUTTONDOWN || is_alt_pressed())
button = RIGHT_BUTTON;
+ else
+ button = LEFT_BUTTON;
if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
(signed short)HIWORD(lParam), button))
*/
if (message == WM_MBUTTONUP || (wParam & MK_SHIFT))
button = MIDDLE_RELEASE;
- else if (message == WM_LBUTTONUP)
- button = LEFT_RELEASE;
- else
+ else if (message == WM_RBUTTONUP || is_alt_pressed())
button = RIGHT_RELEASE;
+ else
+ button = LEFT_RELEASE;
if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
(signed short)HIWORD(lParam), button))
if (wParam & (MK_MBUTTON | MK_SHIFT))
button = MIDDLE_DRAG;
- else if (wParam & MK_LBUTTON)
- button = LEFT_DRAG;
- else
+ else if (wParam & MK_RBUTTON || is_alt_pressed())
button = RIGHT_DRAG;
+ else
+ button = LEFT_DRAG;
if (!midend_process_key(fe->me, (signed short)LOWORD(lParam),
(signed short)HIWORD(lParam), button))
RegisterClass(&wndclass);
}
- while (*cmdline && isspace(*cmdline))
+ while (*cmdline && isspace((unsigned char)*cmdline))
cmdline++;
if (!new_window(inst, *cmdline ? cmdline : NULL, &error)) {