2 * xboard.c -- X front end for XBoard
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * The following terms apply to Digital Equipment Corporation's copyright
12 * ------------------------------------------------------------------------
15 * Permission to use, copy, modify, and distribute this software and its
16 * documentation for any purpose and without fee is hereby granted,
17 * provided that the above copyright notice appear in all copies and that
18 * both that copyright notice and this permission notice appear in
19 * supporting documentation, and that the name of Digital not be
20 * used in advertising or publicity pertaining to distribution of the
21 * software without specific, written prior permission.
23 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
24 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
25 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
26 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
27 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
28 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
30 * ------------------------------------------------------------------------
32 * The following terms apply to the enhanced version of XBoard
33 * distributed by the Free Software Foundation:
34 * ------------------------------------------------------------------------
36 * GNU XBoard is free software: you can redistribute it and/or modify
37 * it under the terms of the GNU General Public License as published by
38 * the Free Software Foundation, either version 3 of the License, or (at
39 * your option) any later version.
41 * GNU XBoard is distributed in the hope that it will be useful, but
42 * WITHOUT ANY WARRANTY; without even the implied warranty of
43 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
44 * General Public License for more details.
46 * You should have received a copy of the GNU General Public License
47 * along with this program. If not, see http://www.gnu.org/licenses/. *
49 *------------------------------------------------------------------------
50 ** See the file ChangeLog for a revision history. */
60 #include <sys/types.h>
64 #include <cairo/cairo.h>
65 #include <cairo/cairo-xlib.h>
68 # if HAVE_SYS_SOCKET_H
69 # include <sys/socket.h>
70 # include <netinet/in.h>
72 # else /* not HAVE_SYS_SOCKET_H */
73 # if HAVE_LAN_SOCKET_H
74 # include <lan/socket.h>
76 # include <lan/netdb.h>
77 # else /* not HAVE_LAN_SOCKET_H */
78 # define OMIT_SOCKETS 1
79 # endif /* not HAVE_LAN_SOCKET_H */
80 # endif /* not HAVE_SYS_SOCKET_H */
81 #endif /* !OMIT_SOCKETS */
86 #else /* not STDC_HEADERS */
87 extern char *getenv();
90 # else /* not HAVE_STRING_H */
92 # endif /* not HAVE_STRING_H */
93 #endif /* not STDC_HEADERS */
96 # include <sys/fcntl.h>
97 #else /* not HAVE_SYS_FCNTL_H */
100 # endif /* HAVE_FCNTL_H */
101 #endif /* not HAVE_SYS_FCNTL_H */
103 #if HAVE_SYS_SYSTEMINFO_H
104 # include <sys/systeminfo.h>
105 #endif /* HAVE_SYS_SYSTEMINFO_H */
107 #if TIME_WITH_SYS_TIME
108 # include <sys/time.h>
112 # include <sys/time.h>
123 # include <sys/wait.h>
128 # define NAMLEN(dirent) strlen((dirent)->d_name)
129 # define HAVE_DIR_STRUCT
131 # define dirent direct
132 # define NAMLEN(dirent) (dirent)->d_namlen
134 # include <sys/ndir.h>
135 # define HAVE_DIR_STRUCT
138 # include <sys/dir.h>
139 # define HAVE_DIR_STRUCT
143 # define HAVE_DIR_STRUCT
151 #include <X11/Intrinsic.h>
152 #include <X11/StringDefs.h>
153 #include <X11/Shell.h>
154 #include <X11/cursorfont.h>
155 #include <X11/Xatom.h>
156 #include <X11/Xmu/Atoms.h>
158 #include <X11/Xaw3d/Dialog.h>
159 #include <X11/Xaw3d/Form.h>
160 #include <X11/Xaw3d/List.h>
161 #include <X11/Xaw3d/Label.h>
162 #include <X11/Xaw3d/SimpleMenu.h>
163 #include <X11/Xaw3d/SmeBSB.h>
164 #include <X11/Xaw3d/SmeLine.h>
165 #include <X11/Xaw3d/Box.h>
166 #include <X11/Xaw3d/MenuButton.h>
167 #include <X11/Xaw3d/Text.h>
168 #include <X11/Xaw3d/AsciiText.h>
170 #include <X11/Xaw/Dialog.h>
171 #include <X11/Xaw/Form.h>
172 #include <X11/Xaw/List.h>
173 #include <X11/Xaw/Label.h>
174 #include <X11/Xaw/SimpleMenu.h>
175 #include <X11/Xaw/SmeBSB.h>
176 #include <X11/Xaw/SmeLine.h>
177 #include <X11/Xaw/Box.h>
178 #include <X11/Xaw/MenuButton.h>
179 #include <X11/Xaw/Text.h>
180 #include <X11/Xaw/AsciiText.h>
183 // [HGM] bitmaps: put before incuding the bitmaps / pixmaps, to know how many piece types there are.
188 #include "pixmaps/pixmaps.h"
189 #define IMAGE_EXT "xpm"
191 #define IMAGE_EXT "xim"
192 #include "bitmaps/bitmaps.h"
195 #include "bitmaps/icon_white.bm"
196 #include "bitmaps/icon_black.bm"
197 #include "bitmaps/checkmark.bm"
199 #include "frontend.h"
201 #include "backendz.h"
205 #include "xgamelist.h"
206 #include "xhistory.h"
207 #include "xevalgraph.h"
208 #include "xedittags.h"
212 #include "engineoutput.h"
221 #define usleep(t) _sleep2(((t)+500)/1000)
225 # define _(s) gettext (s)
226 # define N_(s) gettext_noop (s)
232 int main P((int argc, char **argv));
233 RETSIGTYPE CmailSigHandler P((int sig));
234 RETSIGTYPE IntSigHandler P((int sig));
235 RETSIGTYPE TermSizeSigHandler P((int sig));
236 static void CreateGCs P((int redo));
237 static void CreateAnyPieces P((void));
238 void CreateXIMPieces P((void));
239 void CreateXPMPieces P((void));
240 void CreatePNGPieces P((void));
241 void CreateXPMBoard P((char *s, int n));
242 void CreatePieces P((void));
243 Widget CreateMenuBar P((Menu *mb, int boardWidth));
245 char *InsertPxlSize P((char *pattern, int targetPxlSize));
246 XFontSet CreateFontSet P((char *base_fnt_lst));
248 char *FindFont P((char *pattern, int targetPxlSize));
250 void ReadBitmap P((Pixmap *pm, String name, unsigned char bits[],
251 u_int wreq, u_int hreq));
252 void CreateGrid P((void));
253 void EventProc P((Widget widget, caddr_t unused, XEvent *event));
254 void DelayedDrag P((void));
255 static void MoveTypeInProc P((Widget widget, caddr_t unused, XEvent *event));
256 void HandlePV P((Widget w, XEvent * event,
257 String * params, Cardinal * nParams));
258 void DrawPositionProc P((Widget w, XEvent *event,
259 String *prms, Cardinal *nprms));
260 void CommentClick P((Widget w, XEvent * event,
261 String * params, Cardinal * nParams));
262 void ICSInputBoxPopUp P((void));
263 void SelectCommand P((Widget w, XtPointer client_data, XtPointer call_data));
264 void KeyBindingProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
265 void QuitWrapper P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
266 static void EnterKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
267 static void UpKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
268 static void DownKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
269 void TempBackwardProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
270 void TempForwardProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
271 Boolean TempBackwardActive = False;
272 void ManInner P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
273 void DisplayMove P((int moveNumber));
274 void ICSInitScript P((void));
275 void SelectMove P((Widget w, XEvent * event, String * params, Cardinal * nParams));
276 void update_ics_width P(());
277 int CopyMemoProc P(());
280 * XBoard depends on Xt R4 or higher
282 int xtVersion = XtSpecificationRelease;
287 Pixel lightSquareColor, darkSquareColor, whitePieceColor, blackPieceColor,
288 highlightSquareColor, premoveHighlightColor, dialogColor, buttonColor;
289 Pixel lowTimeWarningColor;
290 GC lightSquareGC, darkSquareGC, lineGC, wdPieceGC, wlPieceGC,
291 bdPieceGC, blPieceGC, wbPieceGC, bwPieceGC, coordGC, highlineGC,
293 Pixmap iconPixmap, wIconPixmap, bIconPixmap, xMarkPixmap;
294 Widget shellWidget, formWidget, boardWidget, titleWidget, dropMenu, menuBarWidget;
295 Option *optList; // contains all widgets of main window
296 XSegment gridSegments[BOARD_RANKS + BOARD_FILES + 2];
298 XFontSet fontSet, clockFontSet;
301 XFontStruct *clockFontStruct;
303 Font coordFontID, countFontID;
304 XFontStruct *coordFontStruct, *countFontStruct;
305 XtAppContext appContext;
308 char installDir[] = "."; // [HGM] UCI: needed for UCI; probably needs run-time initializtion
310 Position commentX = -1, commentY = -1;
311 Dimension commentW, commentH;
312 typedef unsigned int BoardSize;
314 Boolean chessProgram;
316 int minX, minY; // [HGM] placement: volatile limits on upper-left corner
317 int smallLayout = 0, tinyLayout = 0,
318 marginW, marginH, // [HGM] for run-time resizing
319 fromX = -1, fromY = -1, toX, toY, commentUp = False,
320 errorExitStatus = -1, defaultLineGap;
321 Dimension textHeight;
322 Pixel timerForegroundPixel, timerBackgroundPixel;
323 Pixel buttonForegroundPixel, buttonBackgroundPixel;
324 char *chessDir, *programName, *programVersion;
325 Boolean alwaysOnTop = False;
326 char *icsTextMenuString;
328 char *firstChessProgramNames;
329 char *secondChessProgramNames;
331 WindowPlacement wpMain;
332 WindowPlacement wpConsole;
333 WindowPlacement wpComment;
334 WindowPlacement wpMoveHistory;
335 WindowPlacement wpEvalGraph;
336 WindowPlacement wpEngineOutput;
337 WindowPlacement wpGameList;
338 WindowPlacement wpTags;
343 Boolean cairoAnimate;
344 static cairo_surface_t *csBoardWindow, *csBoardBackup, *csDualBoard;
345 static cairo_surface_t *pngPieceBitmaps[2][(int)BlackPawn]; // scaled pieces as used
346 static cairo_surface_t *pngPieceBitmaps2[2][(int)BlackPawn+4]; // scaled pieces in store
347 static cairo_surface_t *pngBoardBitmap[2];
348 Pixmap pieceBitmap[2][(int)BlackPawn];
349 Pixmap pieceBitmap2[2][(int)BlackPawn+4]; /* [HGM] pieces */
350 Pixmap xpmPieceBitmap[4][(int)BlackPawn]; /* LL, LD, DL, DD actually used*/
351 Pixmap xpmPieceBitmap2[4][(int)BlackPawn+4]; /* LL, LD, DL, DD set to select from */
352 Pixmap xpmLightSquare, xpmDarkSquare, xpmJailSquare;
353 Pixmap xpmBoardBitmap[2];
354 int useImages, useImageSqs, useTexture, textureW[2], textureH[2];
355 XImage *ximPieceBitmap[4][(int)BlackPawn+4]; /* LL, LD, DL, DD */
356 Pixmap ximMaskPm[(int)BlackPawn]; /* clipmasks, used for XIM pieces */
357 Pixmap ximMaskPm2[(int)BlackPawn+4]; /* clipmasks, used for XIM pieces */
358 XImage *ximLightSquare, *ximDarkSquare;
361 #define pieceToSolid(piece) &pieceBitmap[SOLID][(piece) % (int)BlackPawn]
362 #define pieceToOutline(piece) &pieceBitmap[OUTLINE][(piece) % (int)BlackPawn]
364 #define White(piece) ((int)(piece) < (int)BlackPawn)
366 /* Bitmaps for use as masks when drawing XPM pieces.
367 Need one for each black and white piece. */
368 static Pixmap xpmMask[BlackKing + 1];
370 /* This magic number is the number of intermediate frames used
371 in each half of the animation. For short moves it's reduced
372 by 1. The total number of frames will be factor * 2 + 1. */
375 SizeDefaults sizeDefaults[] = SIZE_DEFAULTS;
382 DropMenuEnables dmEnables[] = {
399 XtResource clientResources[] = {
400 { "flashCount", "flashCount", XtRInt, sizeof(int),
401 XtOffset(AppDataPtr, flashCount), XtRImmediate,
402 (XtPointer) FLASH_COUNT },
405 XrmOptionDescRec shellOptions[] = {
406 { "-flashCount", "flashCount", XrmoptionSepArg, NULL },
407 { "-flash", "flashCount", XrmoptionNoArg, "3" },
408 { "-xflash", "flashCount", XrmoptionNoArg, "0" },
411 XtActionsRec boardActions[] = {
412 { "DrawPosition", DrawPositionProc },
413 { "HandlePV", HandlePV },
414 { "SelectPV", SelectPV },
415 { "StopPV", StopPV },
416 { "MenuItem", KeyBindingProc }, // [HGM] generic handler for key bindings
417 { "QuitProc", QuitWrapper },
418 { "ManProc", ManInner },
419 { "TempBackwardProc", TempBackwardProc },
420 { "TempForwardProc", TempForwardProc },
421 { "CommentClick", (XtActionProc) CommentClick },
422 { "GenericPopDown", (XtActionProc) GenericPopDown },
423 { "ErrorPopDown", (XtActionProc) ErrorPopDown },
424 { "CopyMemoProc", (XtActionProc) CopyMemoProc },
425 { "SelectMove", (XtActionProc) SelectMove },
426 { "LoadSelectedProc", LoadSelectedProc },
427 { "SetFilterProc", SetFilterProc },
428 { "TypeInProc", TypeInProc },
429 { "EnterKeyProc", EnterKeyProc },
430 { "UpKeyProc", UpKeyProc },
431 { "DownKeyProc", DownKeyProc },
432 { "WheelProc", WheelProc },
433 { "TabProc", TabProc },
436 char globalTranslations[] =
437 ":<Key>F9: MenuItem(Actions.Resign) \n \
438 :Ctrl<Key>n: MenuItem(File.NewGame) \n \
439 :Meta<Key>V: MenuItem(File.NewVariant) \n \
440 :Ctrl<Key>o: MenuItem(File.LoadGame) \n \
441 :Meta<Key>Next: MenuItem(LoadNextGameProc) \n \
442 :Meta<Key>Prior: MenuItem(LoadPrevGameProc) \n \
443 :Ctrl<Key>Down: LoadSelectedProc(3) \n \
444 :Ctrl<Key>Up: LoadSelectedProc(-3) \n \
445 :Ctrl<Key>s: MenuItem(File.SaveGame) \n \
446 :Ctrl<Key>c: MenuItem(Edit.CopyGame) \n \
447 :Ctrl<Key>v: MenuItem(Edit.PasteGame) \n \
448 :Ctrl<Key>O: MenuItem(File.LoadPosition) \n \
449 :Shift<Key>Next: MenuItem(LoadNextPositionProc) \n \
450 :Shift<Key>Prior: MenuItem(LoadPrevPositionProc) \n \
451 :Ctrl<Key>S: MenuItem(File.SavePosition) \n \
452 :Ctrl<Key>C: MenuItem(Edit.CopyPosition) \n \
453 :Ctrl<Key>V: MenuItem(Edit.PastePosition) \n \
454 :Ctrl<Key>q: MenuItem(File.Quit) \n \
455 :Ctrl<Key>w: MenuItem(Mode.MachineWhite) \n \
456 :Ctrl<Key>b: MenuItem(Mode.MachineBlack) \n \
457 :Ctrl<Key>t: MenuItem(Mode.TwoMachines) \n \
458 :Ctrl<Key>a: MenuItem(Mode.AnalysisMode) \n \
459 :Ctrl<Key>g: MenuItem(Mode.AnalyzeFile) \n \
460 :Ctrl<Key>e: MenuItem(Mode.EditGame) \n \
461 :Ctrl<Key>E: MenuItem(Mode.EditPosition) \n \
462 :Meta<Key>O: MenuItem(View.EngineOutput) \n \
463 :Meta<Key>E: MenuItem(View.EvaluationGraph) \n \
464 :Meta<Key>G: MenuItem(View.GameList) \n \
465 :Meta<Key>H: MenuItem(View.MoveHistory) \n \
466 :<Key>Pause: MenuItem(Mode.Pause) \n \
467 :<Key>F3: MenuItem(Action.Accept) \n \
468 :<Key>F4: MenuItem(Action.Decline) \n \
469 :<Key>F12: MenuItem(Action.Rematch) \n \
470 :<Key>F5: MenuItem(Action.CallFlag) \n \
471 :<Key>F6: MenuItem(Action.Draw) \n \
472 :<Key>F7: MenuItem(Action.Adjourn) \n \
473 :<Key>F8: MenuItem(Action.Abort) \n \
474 :<Key>F10: MenuItem(Action.StopObserving) \n \
475 :<Key>F11: MenuItem(Action.StopExamining) \n \
476 :Ctrl<Key>d: MenuItem(DebugProc) \n \
477 :Meta Ctrl<Key>F12: MenuItem(DebugProc) \n \
478 :Meta<Key>End: MenuItem(Edit.ForwardtoEnd) \n \
479 :Meta<Key>Right: MenuItem(Edit.Forward) \n \
480 :Meta<Key>Home: MenuItem(Edit.BacktoStart) \n \
481 :Meta<Key>Left: MenuItem(Edit.Backward) \n \
482 :<Key>Left: MenuItem(Edit.Backward) \n \
483 :<Key>Right: MenuItem(Edit.Forward) \n \
484 :<Key>Home: MenuItem(Edit.Revert) \n \
485 :<Key>End: MenuItem(Edit.TruncateGame) \n \
486 :Ctrl<Key>m: MenuItem(Engine.MoveNow) \n \
487 :Ctrl<Key>x: MenuItem(Engine.RetractMove) \n \
488 :Meta<Key>J: MenuItem(Options.Adjudications) \n \
489 :Meta<Key>U: MenuItem(Options.CommonEngine) \n \
490 :Meta<Key>T: MenuItem(Options.TimeControl) \n \
491 :Ctrl<Key>P: MenuItem(PonderNextMove) \n "
492 #ifndef OPTIONSDIALOG
494 :Ctrl<Key>Q: MenuItem(AlwaysQueenProc) \n \
495 :Ctrl<Key>F: MenuItem(AutoflagProc) \n \
496 :Ctrl<Key>A: MenuItem(AnimateMovingProc) \n \
497 :Ctrl<Key>L: MenuItem(TestLegalityProc) \n \
498 :Ctrl<Key>H: MenuItem(HideThinkingProc) \n "
501 :<Key>F1: MenuItem(Help.ManXBoard) \n \
502 :<Key>F2: MenuItem(View.FlipView) \n \
503 :<KeyDown>Return: TempBackwardProc() \n \
504 :<KeyUp>Return: TempForwardProc() \n";
506 char ICSInputTranslations[] =
507 "<Key>Up: UpKeyProc() \n "
508 "<Key>Down: DownKeyProc() \n "
509 "<Key>Return: EnterKeyProc() \n";
511 // [HGM] vari: another hideous kludge: call extend-end first so we can be sure select-start works,
512 // as the widget is destroyed before the up-click can call extend-end
513 char commentTranslations[] = "<Btn3Down>: extend-end() select-start() CommentClick() \n";
515 String xboardResources[] = {
516 "*Error*translations: #override\\n <Key>Return: ErrorPopDown()",
521 /* Max possible square size */
522 #define MAXSQSIZE 256
524 static int xpm_avail[MAXSQSIZE];
526 #ifdef HAVE_DIR_STRUCT
528 /* Extract piece size from filename */
530 xpm_getsize (char *name, int len, char *ext)
538 if ((p=strchr(name, '.')) == NULL ||
539 StrCaseCmp(p+1, ext) != 0)
545 while (*p && isdigit(*p))
552 /* Setup xpm_avail */
554 xpm_getavail (char *dirname, char *ext)
560 for (i=0; i<MAXSQSIZE; ++i)
563 if (appData.debugMode)
564 fprintf(stderr, "XPM dir:%s:ext:%s:\n", dirname, ext);
566 dir = opendir(dirname);
569 fprintf(stderr, _("%s: Can't access XPM directory %s\n"),
570 programName, dirname);
574 while ((ent=readdir(dir)) != NULL) {
575 i = xpm_getsize(ent->d_name, NAMLEN(ent), ext);
576 if (i > 0 && i < MAXSQSIZE)
586 xpm_print_avail (FILE *fp, char *ext)
590 fprintf(fp, _("Available `%s' sizes:\n"), ext);
591 for (i=1; i<MAXSQSIZE; ++i) {
597 /* Return XPM piecesize closest to size */
599 xpm_closest_to (char *dirname, int size, char *ext)
602 int sm_diff = MAXSQSIZE;
606 xpm_getavail(dirname, ext);
608 if (appData.debugMode)
609 xpm_print_avail(stderr, ext);
611 for (i=1; i<MAXSQSIZE; ++i) {
614 diff = (diff<0) ? -diff : diff;
615 if (diff < sm_diff) {
623 fprintf(stderr, _("Error: No `%s' files!\n"), ext);
629 #else /* !HAVE_DIR_STRUCT */
630 /* If we are on a system without a DIR struct, we can't
631 read the directory, so we can't collect a list of
632 filenames, etc., so we can't do any size-fitting. */
634 xpm_closest_to (char *dirname, int size, char *ext)
637 Warning: No DIR structure found on this system --\n\
638 Unable to autosize for XPM/XIM pieces.\n\
639 Please report this error to %s.\n\
640 Include system type & operating system in message.\n"), PACKAGE_BUGREPORT););
643 #endif /* HAVE_DIR_STRUCT */
646 /* Arrange to catch delete-window events */
647 Atom wm_delete_window;
649 CatchDeleteWindow (Widget w, String procname)
652 XSetWMProtocols(xDisplay, XtWindow(w), &wm_delete_window, 1);
653 snprintf(buf, sizeof(buf), "<Message>WM_PROTOCOLS: %s() \n", procname);
654 XtAugmentTranslations(w, XtParseTranslationTable(buf));
661 XtSetArg(args[0], XtNiconic, False);
662 XtSetValues(shellWidget, args, 1);
664 XtPopup(shellWidget, XtGrabNone); /* Raise if lowered */
667 //---------------------------------------------------------------------------------------------------------
668 // some symbol definitions to provide the proper (= XBoard) context for the code in args.h
671 #define CW_USEDEFAULT (1<<31)
672 #define ICS_TEXT_MENU_SIZE 90
673 #define DEBUG_FILE "xboard.debug"
674 #define SetCurrentDirectory chdir
675 #define GetCurrentDirectory(SIZE, NAME) getcwd(NAME, SIZE)
679 // The option definition and parsing code common to XBoard and WinBoard is collected in this file
682 // front-end part of option handling
684 // [HGM] This platform-dependent table provides the location for storing the color info
685 extern char *crWhite, * crBlack;
689 &appData.whitePieceColor,
690 &appData.blackPieceColor,
691 &appData.lightSquareColor,
692 &appData.darkSquareColor,
693 &appData.highlightSquareColor,
694 &appData.premoveHighlightColor,
695 &appData.lowTimeWarningColor,
706 // [HGM] font: keep a font for each square size, even non-stndard ones
709 Boolean fontIsSet[NUM_FONTS], fontValid[NUM_FONTS][MAX_SIZE];
710 char *fontTable[NUM_FONTS][MAX_SIZE];
713 ParseFont (char *name, int number)
714 { // in XBoard, only 2 of the fonts are currently implemented, and we just copy their name
716 if(sscanf(name, "size%d:", &size)) {
717 // [HGM] font: font is meant for specific boardSize (likely from settings file);
718 // defer processing it until we know if it matches our board size
719 if(size >= 0 && size<MAX_SIZE) { // for now, fixed limit
720 fontTable[number][size] = strdup(strchr(name, ':')+1);
721 fontValid[number][size] = True;
726 case 0: // CLOCK_FONT
727 appData.clockFont = strdup(name);
729 case 1: // MESSAGE_FONT
730 appData.font = strdup(name);
732 case 2: // COORD_FONT
733 appData.coordFont = strdup(name);
738 fontIsSet[number] = True; // [HGM] font: indicate a font was specified (not from settings file)
743 { // only 2 fonts currently
744 appData.clockFont = CLOCK_FONT_NAME;
745 appData.coordFont = COORD_FONT_NAME;
746 appData.font = DEFAULT_FONT_NAME;
751 { // no-op, until we identify the code for this already in XBoard and move it here
755 ParseColor (int n, char *name)
756 { // in XBoard, just copy the color-name string
757 if(colorVariable[n]) *(char**)colorVariable[n] = strdup(name);
761 ParseTextAttribs (ColorClass cc, char *s)
763 (&appData.colorShout)[cc] = strdup(s);
767 ParseBoardSize (void *addr, char *name)
769 appData.boardSize = strdup(name);
774 { // In XBoard the sound-playing program takes care of obtaining the actual sound
778 SetCommPortDefaults ()
779 { // for now, this is a no-op, as the corresponding option does not exist in XBoard
782 // [HGM] args: these three cases taken out to stay in front-end
784 SaveFontArg (FILE *f, ArgDescriptor *ad)
787 int i, n = (int)(intptr_t)ad->argLoc;
789 case 0: // CLOCK_FONT
790 name = appData.clockFont;
792 case 1: // MESSAGE_FONT
795 case 2: // COORD_FONT
796 name = appData.coordFont;
801 for(i=0; i<NUM_SIZES; i++) // [HGM] font: current font becomes standard for current size
802 if(sizeDefaults[i].squareSize == squareSize) { // only for standard sizes!
803 fontTable[n][squareSize] = strdup(name);
804 fontValid[n][squareSize] = True;
807 for(i=0; i<MAX_SIZE; i++) if(fontValid[n][i]) // [HGM] font: store all standard fonts
808 fprintf(f, OPTCHAR "%s" SEPCHAR "\"size%d:%s\"\n", ad->argName, i, fontTable[n][i]);
813 { // nothing to do, as the sounds are at all times represented by their text-string names already
817 SaveAttribsArg (FILE *f, ArgDescriptor *ad)
818 { // here the "argLoc" defines a table index. It could have contained the 'ta' pointer itself, though
819 fprintf(f, OPTCHAR "%s" SEPCHAR "%s\n", ad->argName, (&appData.colorShout)[(int)(intptr_t)ad->argLoc]);
823 SaveColor (FILE *f, ArgDescriptor *ad)
824 { // in WinBoard the color is an int and has to be converted to text. In X it would be a string already?
825 if(colorVariable[(int)(intptr_t)ad->argLoc])
826 fprintf(f, OPTCHAR "%s" SEPCHAR "%s\n", ad->argName, *(char**)colorVariable[(int)(intptr_t)ad->argLoc]);
830 SaveBoardSize (FILE *f, char *name, void *addr)
831 { // wrapper to shield back-end from BoardSize & sizeInfo
832 fprintf(f, OPTCHAR "%s" SEPCHAR "%s\n", name, appData.boardSize);
836 ParseCommPortSettings (char *s)
837 { // no such option in XBoard (yet)
843 GetActualPlacement (Widget wg, WindowPlacement *wp)
845 XWindowAttributes winAt;
852 XGetWindowAttributes(xDisplay, win, &winAt); // this works, where XtGetValues on XtNx, XtNy does not!
853 XTranslateCoordinates (xDisplay, win, winAt.root, -winAt.border_width, -winAt.border_width, &rx, &ry, &dummy);
854 wp->x = rx - winAt.x;
855 wp->y = ry - winAt.y;
856 wp->height = winAt.height;
857 wp->width = winAt.width;
858 frameX = winAt.x; frameY = winAt.y; // remember to decide if windows touch
863 { // wrapper to shield use of window handles from back-end (make addressible by number?)
864 // In XBoard this will have to wait until awareness of window parameters is implemented
865 GetActualPlacement(shellWidget, &wpMain);
866 if(shellUp[EngOutDlg]) GetActualPlacement(shells[EngOutDlg], &wpEngineOutput);
867 if(shellUp[HistoryDlg]) GetActualPlacement(shells[HistoryDlg], &wpMoveHistory);
868 if(shellUp[EvalGraphDlg]) GetActualPlacement(shells[EvalGraphDlg], &wpEvalGraph);
869 if(shellUp[GameListDlg]) GetActualPlacement(shells[GameListDlg], &wpGameList);
870 if(shellUp[CommentDlg]) GetActualPlacement(shells[CommentDlg], &wpComment);
871 if(shellUp[TagsDlg]) GetActualPlacement(shells[TagsDlg], &wpTags);
875 PrintCommPortSettings (FILE *f, char *name)
876 { // This option does not exist in XBoard
880 EnsureOnScreen (int *x, int *y, int minX, int minY)
887 { // [HGM] args: allows testing if main window is realized from back-end
888 return xBoardWindow != 0;
894 extern Option dualOptions[];
896 Window tmp = xBoardWindow;
897 cairo_surface_t *cstmp = csBoardWindow;
898 if(!dual) dual = XtWindow(dualOptions[3].handle); // must be first call
899 xBoardWindow = dual; // swap them
901 csBoardWindow = csDualBoard;
902 if(!csDualBoard && cstmp) {
903 int boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap);
904 int boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
905 csBoardWindow = cairo_xlib_surface_create(xDisplay, xBoardWindow, DefaultVisual(xDisplay, 0), boardWidth, boardHeight);
910 PopUpStartupDialog ()
911 { // start menu not implemented in XBoard
915 ConvertToLine (int argc, char **argv)
917 static char line[128*1024], buf[1024];
921 for(i=1; i<argc; i++)
923 if( (strchr(argv[i], ' ') || strchr(argv[i], '\n') ||strchr(argv[i], '\t') || argv[i][0] == NULLCHAR)
924 && argv[i][0] != '{' )
925 snprintf(buf, sizeof(buf)/sizeof(buf[0]), "{%s} ", argv[i]);
927 snprintf(buf, sizeof(buf)/sizeof(buf[0]), "%s ", argv[i]);
928 strncat(line, buf, 128*1024 - strlen(line) - 1 );
931 line[strlen(line)-1] = NULLCHAR;
935 //--------------------------------------------------------------------------------------------
940 // delete surfaces after size becomes invalid, so they will be recreated
941 if(csBoardWindow) cairo_surface_destroy(csBoardWindow);
942 if(csBoardBackup) cairo_surface_destroy(csBoardBackup);
943 if(csDualBoard) cairo_surface_destroy(csDualBoard);
944 csBoardWindow = csBoardBackup = csDualBoard = NULL;
947 #define BoardSize int
949 InitDrawingSizes (BoardSize boardSize, int flags)
950 { // [HGM] resize is functional now, but for board format changes only (nr of ranks, files)
951 Dimension boardWidth, boardHeight, w, h;
953 static Dimension oldWidth, oldHeight;
954 static VariantClass oldVariant;
955 static int oldMono = -1, oldTwoBoards = 0;
957 if(!formWidget) return;
959 if(oldTwoBoards && !twoBoards) PopDown(DummyDlg);
960 oldTwoBoards = twoBoards;
962 if(appData.overrideLineGap >= 0) lineGap = appData.overrideLineGap;
963 boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap);
964 boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
966 if(boardWidth != oldWidth || boardHeight != oldHeight) { // do resizing stuff only if size actually changed
968 oldWidth = boardWidth; oldHeight = boardHeight;
973 * Inhibit shell resizing.
975 shellArgs[0].value = w = (XtArgVal) boardWidth + marginW + 1; // [HGM] not sure why the +1 is (sometimes) needed...
976 shellArgs[1].value = h = (XtArgVal) boardHeight + marginH;
977 shellArgs[4].value = shellArgs[2].value = w;
978 shellArgs[5].value = shellArgs[3].value = h;
979 XtSetValues(shellWidget, &shellArgs[0], cairoAnimate ? 2 : 6);
981 XSync(xDisplay, False);
985 // [HGM] pieces: tailor piece bitmaps to needs of specific variant
988 if(gameInfo.variant != oldVariant) { // and only if variant changed
993 for(p=0; p<=(int)WhiteKing; p++)
994 xpmPieceBitmap[i][p] = xpmPieceBitmap2[i][p]; // defaults
995 if(gameInfo.variant == VariantShogi) {
996 xpmPieceBitmap[i][(int)WhiteCannon] = xpmPieceBitmap2[i][(int)WhiteKing+1];
997 xpmPieceBitmap[i][(int)WhiteNightrider] = xpmPieceBitmap2[i][(int)WhiteKing+2];
998 xpmPieceBitmap[i][(int)WhiteSilver] = xpmPieceBitmap2[i][(int)WhiteKing+3];
999 xpmPieceBitmap[i][(int)WhiteGrasshopper] = xpmPieceBitmap2[i][(int)WhiteKing+4];
1000 xpmPieceBitmap[i][(int)WhiteQueen] = xpmPieceBitmap2[i][(int)WhiteLance];
1003 if(gameInfo.variant == VariantGothic) {
1004 xpmPieceBitmap[i][(int)WhiteMarshall] = xpmPieceBitmap2[i][(int)WhiteSilver];
1007 if(gameInfo.variant == VariantSChess && (squareSize == 49 || squareSize == 72)) {
1008 xpmPieceBitmap[i][(int)WhiteAngel] = xpmPieceBitmap2[i][(int)WhiteFalcon];
1009 xpmPieceBitmap[i][(int)WhiteMarshall] = xpmPieceBitmap2[i][(int)WhiteAlfil];
1012 // [HGM] why are thee ximMasks used at all? the ximPieceBitmaps seem to be never used!
1013 for(p=0; p<=(int)WhiteKing; p++)
1014 ximMaskPm[p] = ximMaskPm2[p]; // defaults
1015 if(gameInfo.variant == VariantShogi) {
1016 ximMaskPm[(int)WhiteCannon] = ximMaskPm2[(int)WhiteKing+1];
1017 ximMaskPm[(int)WhiteNightrider] = ximMaskPm2[(int)WhiteKing+2];
1018 ximMaskPm[(int)WhiteSilver] = ximMaskPm2[(int)WhiteKing+3];
1019 ximMaskPm[(int)WhiteGrasshopper] = ximMaskPm2[(int)WhiteKing+4];
1020 ximMaskPm[(int)WhiteQueen] = ximMaskPm2[(int)WhiteLance];
1023 if(gameInfo.variant == VariantGothic) {
1024 ximMaskPm[(int)WhiteMarshall] = ximMaskPm2[(int)WhiteSilver];
1027 if(gameInfo.variant == VariantSChess && (squareSize == 49 || squareSize == 72)) {
1028 ximMaskPm[(int)WhiteAngel] = ximMaskPm2[(int)WhiteFalcon];
1029 ximMaskPm[(int)WhiteMarshall] = ximMaskPm2[(int)WhiteAlfil];
1034 for(i=0; i<2; i++) {
1036 for(p=0; p<=(int)WhiteKing; p++)
1037 pieceBitmap[i][p] = pieceBitmap2[i][p]; // defaults
1038 if(gameInfo.variant == VariantShogi) {
1039 pieceBitmap[i][(int)WhiteCannon] = pieceBitmap2[i][(int)WhiteKing+1];
1040 pieceBitmap[i][(int)WhiteNightrider] = pieceBitmap2[i][(int)WhiteKing+2];
1041 pieceBitmap[i][(int)WhiteSilver] = pieceBitmap2[i][(int)WhiteKing+3];
1042 pieceBitmap[i][(int)WhiteGrasshopper] = pieceBitmap2[i][(int)WhiteKing+4];
1043 pieceBitmap[i][(int)WhiteQueen] = pieceBitmap2[i][(int)WhiteLance];
1046 if(gameInfo.variant == VariantGothic) {
1047 pieceBitmap[i][(int)WhiteMarshall] = pieceBitmap2[i][(int)WhiteSilver];
1050 if(gameInfo.variant == VariantSChess && (squareSize == 49 || squareSize == 72)) {
1051 pieceBitmap[i][(int)WhiteAngel] = pieceBitmap2[i][(int)WhiteFalcon];
1052 pieceBitmap[i][(int)WhiteMarshall] = pieceBitmap2[i][(int)WhiteAlfil];
1056 for(i=0; i<2; i++) {
1058 printf("Copy pieces\n");
1059 for(p=0; p<=(int)WhiteKing; p++)
1060 pngPieceBitmaps[i][p] = pngPieceBitmaps2[i][p]; // defaults
1062 oldMono = -10; // kludge to force recreation of animation masks
1063 oldVariant = gameInfo.variant;
1066 if(appData.monoMode != oldMono || cairoAnimate)
1069 oldMono = appData.monoMode;
1073 MakeOneColor (char *name, Pixel *color)
1075 XrmValue vFrom, vTo;
1076 if (!appData.monoMode) {
1077 vFrom.addr = (caddr_t) name;
1078 vFrom.size = strlen(name);
1079 XtConvert(shellWidget, XtRString, &vFrom, XtRPixel, &vTo);
1080 if (vTo.addr == NULL) {
1081 appData.monoMode = True;
1084 *color = *(Pixel *) vTo.addr;
1092 { // [HGM] taken out of main(), so it can be called from BoardOptions dialog
1093 int forceMono = False;
1095 forceMono |= MakeOneColor(appData.lightSquareColor, &lightSquareColor);
1096 forceMono |= MakeOneColor(appData.darkSquareColor, &darkSquareColor);
1097 forceMono |= MakeOneColor(appData.whitePieceColor, &whitePieceColor);
1098 forceMono |= MakeOneColor(appData.blackPieceColor, &blackPieceColor);
1099 forceMono |= MakeOneColor(appData.highlightSquareColor, &highlightSquareColor);
1100 forceMono |= MakeOneColor(appData.premoveHighlightColor, &premoveHighlightColor);
1101 if (appData.lowTimeWarning)
1102 forceMono |= MakeOneColor(appData.lowTimeWarningColor, &lowTimeWarningColor);
1103 if(appData.dialogColor[0]) MakeOneColor(appData.dialogColor, &dialogColor);
1104 if(appData.buttonColor[0]) MakeOneColor(appData.buttonColor, &buttonColor);
1111 { // [HGM] taken out of main
1113 if (appData.monoMode && // [HGM] no sense to go on to certain doom
1114 (appData.bitmapDirectory == NULL || appData.bitmapDirectory[0] == NULLCHAR))
1115 appData.bitmapDirectory = strdup(DEF_BITMAP_DIR);
1117 if (appData.bitmapDirectory[0] != NULLCHAR) {
1121 CreateXPMBoard(appData.liteBackTextureFile, 1);
1122 CreateXPMBoard(appData.darkBackTextureFile, 0);
1124 if (appData.pngDirectory[0] != NULLCHAR) { // for now do in parallel
1129 /* Create regular pieces */
1130 if (!useImages) CreatePieces();
1135 InitDrawingParams ()
1137 MakeColors(); CreateGCs(True);
1142 InitializeFonts (int clockFontPxlSize, int coordFontPxlSize, int fontPxlSize)
1143 { // detervtomine what fonts to use, and create them
1147 if(!fontIsSet[CLOCK_FONT] && fontValid[CLOCK_FONT][squareSize])
1148 appData.clockFont = fontTable[CLOCK_FONT][squareSize];
1149 if(!fontIsSet[MESSAGE_FONT] && fontValid[MESSAGE_FONT][squareSize])
1150 appData.font = fontTable[MESSAGE_FONT][squareSize];
1151 if(!fontIsSet[COORD_FONT] && fontValid[COORD_FONT][squareSize])
1152 appData.coordFont = fontTable[COORD_FONT][squareSize];
1155 appData.font = InsertPxlSize(appData.font, fontPxlSize);
1156 appData.clockFont = InsertPxlSize(appData.clockFont, clockFontPxlSize);
1157 appData.coordFont = InsertPxlSize(appData.coordFont, coordFontPxlSize);
1158 fontSet = CreateFontSet(appData.font);
1159 clockFontSet = CreateFontSet(appData.clockFont);
1161 /* For the coordFont, use the 0th font of the fontset. */
1162 XFontSet coordFontSet = CreateFontSet(appData.coordFont);
1163 XFontStruct **font_struct_list;
1164 XFontSetExtents *fontSize;
1165 char **font_name_list;
1166 XFontsOfFontSet(coordFontSet, &font_struct_list, &font_name_list);
1167 coordFontID = XLoadFont(xDisplay, font_name_list[0]);
1168 coordFontStruct = XQueryFont(xDisplay, coordFontID);
1169 fontSize = XExtentsOfFontSet(fontSet); // [HGM] figure out how much vertical space font takes
1170 textHeight = fontSize->max_logical_extent.height + 5; // add borderWidth
1173 appData.font = FindFont(appData.font, fontPxlSize);
1174 appData.clockFont = FindFont(appData.clockFont, clockFontPxlSize);
1175 appData.coordFont = FindFont(appData.coordFont, coordFontPxlSize);
1176 clockFontID = XLoadFont(xDisplay, appData.clockFont);
1177 clockFontStruct = XQueryFont(xDisplay, clockFontID);
1178 coordFontID = XLoadFont(xDisplay, appData.coordFont);
1179 coordFontStruct = XQueryFont(xDisplay, coordFontID);
1180 // textHeight in !NLS mode!
1182 countFontID = coordFontID; // [HGM] holdings
1183 countFontStruct = coordFontStruct;
1185 xdb = XtDatabase(xDisplay);
1187 XrmPutLineResource(&xdb, "*international: True");
1188 vTo.size = sizeof(XFontSet);
1189 vTo.addr = (XtPointer) &fontSet;
1190 XrmPutResource(&xdb, "*fontSet", XtRFontSet, &vTo);
1192 XrmPutStringResource(&xdb, "*font", appData.font);
1197 PrintArg (ArgType t)
1202 case ArgInt: p = " N"; break;
1203 case ArgString: p = " STR"; break;
1204 case ArgBoolean: p = " TF"; break;
1205 case ArgSettingsFilename:
1206 case ArgFilename: p = " FILE"; break;
1207 case ArgX: p = " Nx"; break;
1208 case ArgY: p = " Ny"; break;
1209 case ArgAttribs: p = " TEXTCOL"; break;
1210 case ArgColor: p = " COL"; break;
1211 case ArgFont: p = " FONT"; break;
1212 case ArgBoardSize: p = " SIZE"; break;
1213 case ArgFloat: p = " FLOAT"; break;
1218 case ArgCommSettings:
1229 ArgDescriptor *q, *p = argDescriptors+5;
1230 printf("\nXBoard accepts the following options:\n"
1231 "(N = integer, TF = true or false, STR = text string, FILE = filename,\n"
1232 " Nx, Ny = relative coordinates, COL = color, FONT = X-font spec,\n"
1233 " SIZE = board-size spec(s)\n"
1234 " Within parentheses are short forms, or options to set to true or false.\n"
1235 " Persistent options (saved in the settings file) are marked with *)\n\n");
1237 if(p->argType == ArgCommSettings) { p++; continue; } // XBoard has no comm port
1238 snprintf(buf+len, MSG_SIZ, "-%s%s", p->argName, PrintArg(p->argType));
1239 if(p->save) strcat(buf+len, "*");
1240 for(q=p+1; q->argLoc == p->argLoc; q++) {
1241 if(q->argName[0] == '-') continue;
1242 strcat(buf+len, q == p+1 ? " (" : " ");
1243 sprintf(buf+strlen(buf), "-%s%s", q->argName, PrintArg(q->argType));
1245 if(q != p+1) strcat(buf+len, ")");
1247 if(len > 39) len = 0, printf("%s\n", buf); else while(len < 39) buf[len++] = ' ';
1250 if(len) buf[len] = NULLCHAR, printf("%s\n", buf);
1254 main (int argc, char **argv)
1256 int i, clockFontPxlSize, coordFontPxlSize, fontPxlSize;
1257 XSetWindowAttributes window_attributes;
1259 Dimension boardWidth, boardHeight, w, h;
1261 int forceMono = False;
1263 srandom(time(0)); // [HGM] book: make random truly random
1265 setbuf(stdout, NULL);
1266 setbuf(stderr, NULL);
1269 if(argc > 1 && (!strcmp(argv[1], "-v" ) || !strcmp(argv[1], "--version" ))) {
1270 printf("%s version %s\n", PACKAGE_NAME, PACKAGE_VERSION);
1274 if(argc > 1 && !strcmp(argv[1], "--help" )) {
1279 programName = strrchr(argv[0], '/');
1280 if (programName == NULL)
1281 programName = argv[0];
1286 XtSetLanguageProc(NULL, NULL, NULL);
1287 if (appData.debugMode) {
1288 fprintf(debugFP, "locale = %s\n", setlocale(LC_ALL, NULL));
1291 bindtextdomain(PACKAGE, LOCALEDIR);
1292 textdomain(PACKAGE);
1295 appData.boardSize = "";
1296 InitAppData(ConvertToLine(argc, argv));
1298 if (p == NULL) p = "/tmp";
1299 i = strlen(p) + strlen("/.xboardXXXXXx.pgn") + 1;
1300 gameCopyFilename = (char*) malloc(i);
1301 gamePasteFilename = (char*) malloc(i);
1302 snprintf(gameCopyFilename,i, "%s/.xboard%05uc.pgn", p, getpid());
1303 snprintf(gamePasteFilename,i, "%s/.xboard%05up.pgn", p, getpid());
1305 { // [HGM] initstring: kludge to fix bad bug. expand '\n' characters in init string and computer string.
1306 static char buf[MSG_SIZ];
1307 EscapeExpand(buf, appData.firstInitString);
1308 appData.firstInitString = strdup(buf);
1309 EscapeExpand(buf, appData.secondInitString);
1310 appData.secondInitString = strdup(buf);
1311 EscapeExpand(buf, appData.firstComputerString);
1312 appData.firstComputerString = strdup(buf);
1313 EscapeExpand(buf, appData.secondComputerString);
1314 appData.secondComputerString = strdup(buf);
1317 if ((chessDir = (char *) getenv("CHESSDIR")) == NULL) {
1320 if (chdir(chessDir) != 0) {
1321 fprintf(stderr, _("%s: can't cd to CHESSDIR: "), programName);
1327 if (appData.debugMode && appData.nameOfDebugFile && strcmp(appData.nameOfDebugFile, "stderr")) {
1328 /* [DM] debug info to file [HGM] make the filename a command-line option, and allow it to remain stderr */
1329 if ((debugFP = fopen(appData.nameOfDebugFile, "w")) == NULL) {
1330 printf(_("Failed to open file '%s'\n"), appData.nameOfDebugFile);
1333 setbuf(debugFP, NULL);
1336 /* [HGM,HR] make sure board size is acceptable */
1337 if(appData.NrFiles > BOARD_FILES ||
1338 appData.NrRanks > BOARD_RANKS )
1339 DisplayFatalError(_("Recompile with larger BOARD_RANKS or BOARD_FILES to support this size"), 0, 2);
1342 /* This feature does not work; animation needs a rewrite */
1343 appData.highlightDragging = FALSE;
1347 gameInfo.variant = StringToVariant(appData.variant);
1348 InitPosition(FALSE);
1351 XtAppInitialize(&appContext, "XBoard", shellOptions,
1352 XtNumber(shellOptions),
1353 &argc, argv, xboardResources, NULL, 0);
1355 XtGetApplicationResources(shellWidget, (XtPointer) &appData,
1356 clientResources, XtNumber(clientResources),
1359 xDisplay = XtDisplay(shellWidget);
1360 xScreen = DefaultScreen(xDisplay);
1361 wm_delete_window = XInternAtom(xDisplay, "WM_DELETE_WINDOW", True);
1364 * determine size, based on supplied or remembered -size, or screen size
1366 if (isdigit(appData.boardSize[0])) {
1367 i = sscanf(appData.boardSize, "%d,%d,%d,%d,%d,%d,%d", &squareSize,
1368 &lineGap, &clockFontPxlSize, &coordFontPxlSize,
1369 &fontPxlSize, &smallLayout, &tinyLayout);
1371 fprintf(stderr, _("%s: bad boardSize syntax %s\n"),
1372 programName, appData.boardSize);
1376 /* Find some defaults; use the nearest known size */
1377 SizeDefaults *szd, *nearest;
1378 int distance = 99999;
1379 nearest = szd = sizeDefaults;
1380 while (szd->name != NULL) {
1381 if (abs(szd->squareSize - squareSize) < distance) {
1383 distance = abs(szd->squareSize - squareSize);
1384 if (distance == 0) break;
1388 if (i < 2) lineGap = nearest->lineGap;
1389 if (i < 3) clockFontPxlSize = nearest->clockFontPxlSize;
1390 if (i < 4) coordFontPxlSize = nearest->coordFontPxlSize;
1391 if (i < 5) fontPxlSize = nearest->fontPxlSize;
1392 if (i < 6) smallLayout = nearest->smallLayout;
1393 if (i < 7) tinyLayout = nearest->tinyLayout;
1396 SizeDefaults *szd = sizeDefaults;
1397 if (*appData.boardSize == NULLCHAR) {
1398 while (DisplayWidth(xDisplay, xScreen) < szd->minScreenSize ||
1399 DisplayHeight(xDisplay, xScreen) < szd->minScreenSize) {
1402 if (szd->name == NULL) szd--;
1403 appData.boardSize = strdup(szd->name); // [HGM] settings: remember name for saving settings
1405 while (szd->name != NULL &&
1406 StrCaseCmp(szd->name, appData.boardSize) != 0) szd++;
1407 if (szd->name == NULL) {
1408 fprintf(stderr, _("%s: unrecognized boardSize name %s\n"),
1409 programName, appData.boardSize);
1413 squareSize = szd->squareSize;
1414 lineGap = szd->lineGap;
1415 clockFontPxlSize = szd->clockFontPxlSize;
1416 coordFontPxlSize = szd->coordFontPxlSize;
1417 fontPxlSize = szd->fontPxlSize;
1418 smallLayout = szd->smallLayout;
1419 tinyLayout = szd->tinyLayout;
1420 // [HGM] font: use defaults from settings file if available and not overruled
1423 /* Now, using squareSize as a hint, find a good XPM/XIM set size */
1424 if (strlen(appData.pixmapDirectory) > 0) {
1425 p = ExpandPathName(appData.pixmapDirectory);
1427 fprintf(stderr, _("Error expanding path name \"%s\"\n"),
1428 appData.pixmapDirectory);
1431 if (appData.debugMode) {
1432 fprintf(stderr, _("\
1433 XBoard square size (hint): %d\n\
1434 %s fulldir:%s:\n"), squareSize, IMAGE_EXT, p);
1436 squareSize = xpm_closest_to(p, squareSize, IMAGE_EXT);
1437 if (appData.debugMode) {
1438 fprintf(stderr, _("Closest %s size: %d\n"), IMAGE_EXT, squareSize);
1441 defaultLineGap = lineGap;
1442 if(appData.overrideLineGap >= 0) lineGap = appData.overrideLineGap;
1444 /* [HR] height treated separately (hacked) */
1445 boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap);
1446 boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
1449 * Determine what fonts to use.
1451 InitializeFonts(clockFontPxlSize, coordFontPxlSize, fontPxlSize);
1454 * Detect if there are not enough colors available and adapt.
1456 if (DefaultDepth(xDisplay, xScreen) <= 2) {
1457 appData.monoMode = True;
1460 forceMono = MakeColors();
1463 fprintf(stderr, _("%s: too few colors available; trying monochrome mode\n"),
1465 appData.monoMode = True;
1468 if (appData.monoMode && appData.debugMode) {
1469 fprintf(stderr, _("white pixel = 0x%lx, black pixel = 0x%lx\n"),
1470 (unsigned long) XWhitePixel(xDisplay, xScreen),
1471 (unsigned long) XBlackPixel(xDisplay, xScreen));
1474 ParseIcsTextColors();
1476 XtAppAddActions(appContext, boardActions, XtNumber(boardActions));
1482 layoutName = "tinyLayout";
1483 } else if (smallLayout) {
1484 layoutName = "smallLayout";
1486 layoutName = "normalLayout";
1489 optList = BoardPopUp(squareSize, lineGap, (void*)
1495 boardWidget = optList[W_BOARD].handle;
1496 menuBarWidget = optList[W_MENU].handle;
1497 dropMenu = optList[W_DROP].handle;
1498 titleWidget = optList[optList[W_TITLE].type != -1 ? W_TITLE : W_SMALL].handle;
1499 formWidget = XtParent(boardWidget);
1500 XtSetArg(args[0], XtNbackground, &timerBackgroundPixel);
1501 XtSetArg(args[1], XtNforeground, &timerForegroundPixel);
1502 XtGetValues(optList[W_WHITE].handle, args, 2);
1503 if (appData.showButtonBar) { // can't we use timer pixels for this? (Or better yet, just black & white?)
1504 XtSetArg(args[0], XtNbackground, &buttonBackgroundPixel);
1505 XtSetArg(args[1], XtNforeground, &buttonForegroundPixel);
1506 XtGetValues(optList[W_PAUSE].handle, args, 2);
1508 AppendEnginesToMenu(appData.recentEngineList);
1510 xBoardWindow = XtWindow(boardWidget);
1512 // [HGM] it seems the layout code ends here, but perhaps the color stuff is size independent and would
1513 // not need to go into InitDrawingSizes().
1516 * Create X checkmark bitmap and initialize option menu checks.
1518 ReadBitmap(&xMarkPixmap, "checkmark.bm",
1519 checkmark_bits, checkmark_width, checkmark_height);
1525 ReadBitmap(&wIconPixmap, "icon_white.bm",
1526 icon_white_bits, icon_white_width, icon_white_height);
1527 ReadBitmap(&bIconPixmap, "icon_black.bm",
1528 icon_black_bits, icon_black_width, icon_black_height);
1529 iconPixmap = wIconPixmap;
1531 XtSetArg(args[i], XtNiconPixmap, iconPixmap); i++;
1532 XtSetValues(shellWidget, args, i);
1535 * Create a cursor for the board widget.
1537 window_attributes.cursor = XCreateFontCursor(xDisplay, XC_hand2);
1538 XChangeWindowAttributes(xDisplay, xBoardWindow,
1539 CWCursor, &window_attributes);
1542 * Inhibit shell resizing.
1546 cairoAnimate = *appData.pngDirectory && useTexture == 3
1547 && strstr(appData.liteBackTextureFile, ".png") && strstr(appData.darkBackTextureFile, ".png");
1549 shellArgs[0].value = (XtArgVal) &w;
1550 shellArgs[1].value = (XtArgVal) &h;
1551 XtGetValues(shellWidget, shellArgs, 2);
1552 shellArgs[4].value = shellArgs[2].value = w;
1553 shellArgs[5].value = shellArgs[3].value = h;
1554 if(!cairoAnimate) XtSetValues(shellWidget, &shellArgs[2], 4);
1555 marginW = w - boardWidth; // [HGM] needed to set new shellWidget size when we resize board
1556 marginH = h - boardHeight;
1558 CatchDeleteWindow(shellWidget, "QuitProc");
1563 if(appData.logoSize)
1564 { // locate and read user logo
1566 snprintf(buf, MSG_SIZ, "%s/%s.png", appData.logoDir, UserName());
1567 ASSIGN(userLogo, buf);
1570 if (appData.animate || appData.animateDragging)
1573 XtAugmentTranslations(formWidget,
1574 XtParseTranslationTable(globalTranslations));
1576 XtAddEventHandler(formWidget, KeyPressMask, False,
1577 (XtEventHandler) MoveTypeInProc, NULL);
1578 XtAddEventHandler(shellWidget, StructureNotifyMask, False,
1579 (XtEventHandler) EventProc, NULL);
1581 /* [AS] Restore layout */
1582 if( wpMoveHistory.visible ) {
1586 if( wpEvalGraph.visible )
1591 if( wpEngineOutput.visible ) {
1592 EngineOutputPopUp();
1597 if (errorExitStatus == -1) {
1598 if (appData.icsActive) {
1599 /* We now wait until we see "login:" from the ICS before
1600 sending the logon script (problems with timestamp otherwise) */
1601 /*ICSInitScript();*/
1602 if (appData.icsInputBox) ICSInputBoxPopUp();
1606 signal(SIGWINCH, TermSizeSigHandler);
1608 signal(SIGINT, IntSigHandler);
1609 signal(SIGTERM, IntSigHandler);
1610 if (*appData.cmailGameName != NULLCHAR) {
1611 signal(SIGUSR1, CmailSigHandler);
1615 gameInfo.boardWidth = 0; // [HGM] pieces: kludge to ensure InitPosition() calls InitDrawingSizes()
1618 // XtSetKeyboardFocus(shellWidget, formWidget);
1619 XSetInputFocus(xDisplay, XtWindow(formWidget), RevertToPointerRoot, CurrentTime);
1621 XtAppMainLoop(appContext);
1622 if (appData.debugMode) fclose(debugFP); // [DM] debug
1627 TermSizeSigHandler (int sig)
1633 IntSigHandler (int sig)
1639 CmailSigHandler (int sig)
1644 signal(SIGUSR1, SIG_IGN); /* suspend handler */
1646 /* Activate call-back function CmailSigHandlerCallBack() */
1647 OutputToProcess(cmailPR, (char *)(&dummy), sizeof(int), &error);
1649 signal(SIGUSR1, CmailSigHandler); /* re-activate handler */
1653 CmailSigHandlerCallBack (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1656 ReloadCmailMsgEvent(TRUE); /* Reload cmail msg */
1658 /**** end signal code ****/
1661 #define Abs(n) ((n)<0 ? -(n) : (n))
1665 InsertPxlSize (char *pattern, int targetPxlSize)
1667 char *base_fnt_lst, strInt[12], *p, *q;
1668 int alternatives, i, len, strIntLen;
1671 * Replace the "*" (if present) in the pixel-size slot of each
1672 * alternative with the targetPxlSize.
1676 while ((p = strchr(p, ',')) != NULL) {
1680 snprintf(strInt, sizeof(strInt), "%d", targetPxlSize);
1681 strIntLen = strlen(strInt);
1682 base_fnt_lst = calloc(1, strlen(pattern) + strIntLen * alternatives + 1);
1686 while (alternatives--) {
1687 char *comma = strchr(p, ',');
1688 for (i=0; i<14; i++) {
1689 char *hyphen = strchr(p, '-');
1691 if (comma && hyphen > comma) break;
1692 len = hyphen + 1 - p;
1693 if (i == 7 && *p == '*' && len == 2) {
1695 memcpy(q, strInt, strIntLen);
1705 len = comma + 1 - p;
1712 return base_fnt_lst;
1716 CreateFontSet (char *base_fnt_lst)
1719 char **missing_list;
1723 fntSet = XCreateFontSet(xDisplay, base_fnt_lst,
1724 &missing_list, &missing_count, &def_string);
1725 if (appData.debugMode) {
1727 XFontStruct **font_struct_list;
1728 char **font_name_list;
1729 fprintf(debugFP, "Requested font set for list %s\n", base_fnt_lst);
1731 fprintf(debugFP, " got list %s, locale %s\n",
1732 XBaseFontNameListOfFontSet(fntSet),
1733 XLocaleOfFontSet(fntSet));
1734 count = XFontsOfFontSet(fntSet, &font_struct_list, &font_name_list);
1735 for (i = 0; i < count; i++) {
1736 fprintf(debugFP, " got charset %s\n", font_name_list[i]);
1739 for (i = 0; i < missing_count; i++) {
1740 fprintf(debugFP, " missing charset %s\n", missing_list[i]);
1743 if (fntSet == NULL) {
1744 fprintf(stderr, _("Unable to create font set for %s.\n"), base_fnt_lst);
1749 #else // not ENABLE_NLS
1751 * Find a font that matches "pattern" that is as close as
1752 * possible to the targetPxlSize. Prefer fonts that are k
1753 * pixels smaller to fonts that are k pixels larger. The
1754 * pattern must be in the X Consortium standard format,
1755 * e.g. "-*-helvetica-bold-r-normal--*-*-*-*-*-*-*-*".
1756 * The return value should be freed with XtFree when no
1760 FindFont (char *pattern, int targetPxlSize)
1762 char **fonts, *p, *best, *scalable, *scalableTail;
1763 int i, j, nfonts, minerr, err, pxlSize;
1765 fonts = XListFonts(xDisplay, pattern, 999999, &nfonts);
1767 fprintf(stderr, _("%s: no fonts match pattern %s\n"),
1768 programName, pattern);
1775 for (i=0; i<nfonts; i++) {
1778 if (*p != '-') continue;
1780 if (*p == NULLCHAR) break;
1781 if (*p++ == '-') j++;
1783 if (j < 7) continue;
1786 scalable = fonts[i];
1789 err = pxlSize - targetPxlSize;
1790 if (Abs(err) < Abs(minerr) ||
1791 (minerr > 0 && err < 0 && -err == minerr)) {
1797 if (scalable && Abs(minerr) > appData.fontSizeTolerance) {
1798 /* If the error is too big and there is a scalable font,
1799 use the scalable font. */
1800 int headlen = scalableTail - scalable;
1801 p = (char *) XtMalloc(strlen(scalable) + 10);
1802 while (isdigit(*scalableTail)) scalableTail++;
1803 sprintf(p, "%.*s%d%s", headlen, scalable, targetPxlSize, scalableTail);
1805 p = (char *) XtMalloc(strlen(best) + 2);
1806 safeStrCpy(p, best, strlen(best)+1 );
1808 if (appData.debugMode) {
1809 fprintf(debugFP, _("resolved %s at pixel size %d\n to %s\n"),
1810 pattern, targetPxlSize, p);
1812 XFreeFontNames(fonts);
1819 { // [HGM] deletes GCs that are to be remade, to prevent resource leak;
1820 // must be called before all non-first callse to CreateGCs()
1821 XtReleaseGC(shellWidget, highlineGC);
1822 XtReleaseGC(shellWidget, lightSquareGC);
1823 XtReleaseGC(shellWidget, darkSquareGC);
1824 XtReleaseGC(shellWidget, lineGC);
1825 if (appData.monoMode) {
1826 if (DefaultDepth(xDisplay, xScreen) == 1) {
1827 XtReleaseGC(shellWidget, wbPieceGC);
1829 XtReleaseGC(shellWidget, bwPieceGC);
1832 XtReleaseGC(shellWidget, prelineGC);
1833 XtReleaseGC(shellWidget, wdPieceGC);
1834 XtReleaseGC(shellWidget, wlPieceGC);
1835 XtReleaseGC(shellWidget, bdPieceGC);
1836 XtReleaseGC(shellWidget, blPieceGC);
1841 CreateOneGC (XGCValues *gc_values, Pixel foreground, Pixel background)
1843 XtGCMask value_mask = GCLineWidth | GCLineStyle | GCForeground
1844 | GCBackground | GCFunction | GCPlaneMask;
1845 gc_values->foreground = foreground;
1846 gc_values->background = background;
1847 return XtGetGC(shellWidget, value_mask, gc_values);
1851 CreateGCs (int redo)
1853 XGCValues gc_values;
1855 Pixel white = XWhitePixel(xDisplay, xScreen);
1856 Pixel black = XBlackPixel(xDisplay, xScreen);
1858 gc_values.plane_mask = AllPlanes;
1859 gc_values.line_width = lineGap;
1860 gc_values.line_style = LineSolid;
1861 gc_values.function = GXcopy;
1864 DeleteGCs(); // called a second time; clean up old GCs first
1865 } else { // [HGM] grid and font GCs created on first call only
1866 coordGC = CreateOneGC(&gc_values, black, white);
1867 XSetFont(xDisplay, coordGC, coordFontID);
1869 // [HGM] make font for holdings counts (white on black)
1870 countGC = CreateOneGC(&gc_values, white, black);
1871 XSetFont(xDisplay, countGC, countFontID);
1873 lineGC = CreateOneGC(&gc_values, black, black);
1875 if (appData.monoMode) {
1877 highlineGC = CreateOneGC(&gc_values, white, white);
1878 lightSquareGC = wbPieceGC = CreateOneGC(&gc_values, white, black);
1879 darkSquareGC = bwPieceGC = CreateOneGC(&gc_values, black, white);
1881 if (DefaultDepth(xDisplay, xScreen) == 1) {
1882 /* Avoid XCopyPlane on 1-bit screens to work around Sun bug */
1883 gc_values.function = GXcopyInverted;
1884 copyInvertedGC = CreateOneGC(&gc_values, black, white);
1885 gc_values.function = GXcopy;
1886 if (XBlackPixel(xDisplay, xScreen) == 1) {
1887 bwPieceGC = darkSquareGC;
1888 wbPieceGC = copyInvertedGC;
1890 bwPieceGC = copyInvertedGC;
1891 wbPieceGC = lightSquareGC;
1896 highlineGC = CreateOneGC(&gc_values, highlightSquareColor, highlightSquareColor);
1897 prelineGC = CreateOneGC(&gc_values, premoveHighlightColor, premoveHighlightColor);
1898 lightSquareGC = CreateOneGC(&gc_values, lightSquareColor, darkSquareColor);
1899 darkSquareGC = CreateOneGC(&gc_values, darkSquareColor, lightSquareColor);
1900 wdPieceGC = CreateOneGC(&gc_values, whitePieceColor, darkSquareColor);
1901 wlPieceGC = CreateOneGC(&gc_values, whitePieceColor, lightSquareColor);
1902 bdPieceGC = CreateOneGC(&gc_values, blackPieceColor, darkSquareColor);
1903 blPieceGC = CreateOneGC(&gc_values, blackPieceColor, lightSquareColor);
1908 loadXIM (XImage *xim, XImage *xmask, char *filename, Pixmap *dest, Pixmap *mask)
1916 fp = fopen(filename, "rb");
1918 fprintf(stderr, _("%s: error loading XIM!\n"), programName);
1925 for (y=0; y<h; ++y) {
1926 for (x=0; x<h; ++x) {
1931 XPutPixel(xim, x, y, blackPieceColor);
1933 XPutPixel(xmask, x, y, WhitePixel(xDisplay,xScreen));
1936 XPutPixel(xim, x, y, darkSquareColor);
1938 XPutPixel(xmask, x, y, BlackPixel(xDisplay,xScreen));
1941 XPutPixel(xim, x, y, whitePieceColor);
1943 XPutPixel(xmask, x, y, WhitePixel(xDisplay,xScreen));
1946 XPutPixel(xim, x, y, lightSquareColor);
1948 XPutPixel(xmask, x, y, BlackPixel(xDisplay,xScreen));
1956 /* create Pixmap of piece */
1957 *dest = XCreatePixmap(xDisplay, DefaultRootWindow(xDisplay),
1959 XPutImage(xDisplay, *dest, lightSquareGC, xim,
1962 /* create Pixmap of clipmask
1963 Note: We assume the white/black pieces have the same
1964 outline, so we make only 6 masks. This is okay
1965 since the XPM clipmask routines do the same. */
1967 temp = XCreatePixmap(xDisplay, DefaultRootWindow(xDisplay),
1969 XPutImage(xDisplay, temp, lightSquareGC, xmask,
1972 /* now create the 1-bit version */
1973 *mask = XCreatePixmap(xDisplay, DefaultRootWindow(xDisplay),
1976 values.foreground = 1;
1977 values.background = 0;
1979 /* Don't use XtGetGC, not read only */
1980 maskGC = XCreateGC(xDisplay, *mask,
1981 GCForeground | GCBackground, &values);
1982 XCopyPlane(xDisplay, temp, *mask, maskGC,
1983 0, 0, squareSize, squareSize, 0, 0, 1);
1984 XFreePixmap(xDisplay, temp);
1989 char pieceBitmapNames[] = "pnbrqfeacwmohijgdvlsukpnsl";
1997 static char *ximkind[] = { "ll", "ld", "dl", "dd" };
2002 /* The XSynchronize calls were copied from CreatePieces.
2003 Not sure if needed, but can't hurt */
2004 XSynchronize(xDisplay, True); /* Work-around for xlib/xt
2007 /* temp needed by loadXIM() */
2008 ximtemp = XGetImage(xDisplay, DefaultRootWindow(xDisplay),
2009 0, 0, ss, ss, AllPlanes, XYPixmap);
2011 if (strlen(appData.pixmapDirectory) == 0) {
2015 if (appData.monoMode) {
2016 DisplayFatalError(_("XIM pieces cannot be used in monochrome mode"),
2020 fprintf(stderr, _("\nLoading XIMs...\n"));
2022 for (piece = (int) WhitePawn; piece <= (int) WhiteKing + 4; piece++) {
2023 fprintf(stderr, "%d", piece+1);
2024 for (kind=0; kind<4; kind++) {
2025 fprintf(stderr, ".");
2026 snprintf(buf, sizeof(buf), "%s/%s%c%s%u.xim",
2027 ExpandPathName(appData.pixmapDirectory),
2028 piece <= (int) WhiteKing ? "" : "w",
2029 pieceBitmapNames[piece],
2031 ximPieceBitmap[kind][piece] =
2032 XGetImage(xDisplay, DefaultRootWindow(xDisplay),
2033 0, 0, ss, ss, AllPlanes, XYPixmap);
2034 if (appData.debugMode)
2035 fprintf(stderr, _("(File:%s:) "), buf);
2036 loadXIM(ximPieceBitmap[kind][piece],
2038 &(xpmPieceBitmap2[kind][piece]),
2039 &(ximMaskPm2[piece]));
2040 if(piece <= (int)WhiteKing)
2041 xpmPieceBitmap[kind][piece] = xpmPieceBitmap2[kind][piece];
2043 fprintf(stderr," ");
2045 /* Load light and dark squares */
2046 /* If the LSQ and DSQ pieces don't exist, we will
2047 draw them with solid squares. */
2048 snprintf(buf,sizeof(buf), "%s/lsq%u.xim", ExpandPathName(appData.pixmapDirectory), ss);
2049 if (access(buf, 0) != 0) {
2053 fprintf(stderr, _("light square "));
2055 XGetImage(xDisplay, DefaultRootWindow(xDisplay),
2056 0, 0, ss, ss, AllPlanes, XYPixmap);
2057 if (appData.debugMode)
2058 fprintf(stderr, _("(File:%s:) "), buf);
2060 loadXIM(ximLightSquare, NULL, buf, &xpmLightSquare, NULL);
2061 fprintf(stderr, _("dark square "));
2062 snprintf(buf,sizeof(buf), "%s/dsq%u.xim",
2063 ExpandPathName(appData.pixmapDirectory), ss);
2064 if (appData.debugMode)
2065 fprintf(stderr, _("(File:%s:) "), buf);
2067 XGetImage(xDisplay, DefaultRootWindow(xDisplay),
2068 0, 0, ss, ss, AllPlanes, XYPixmap);
2069 loadXIM(ximDarkSquare, NULL, buf, &xpmDarkSquare, NULL);
2070 xpmJailSquare = xpmLightSquare;
2072 fprintf(stderr, _("Done.\n"));
2074 XSynchronize(xDisplay, False); /* Work-around for xlib/xt buffering bug */
2077 static VariantClass oldVariant = (VariantClass) -1; // [HGM] pieces: redo every time variant changes
2081 CreateXPMBoard (char *s, int kind)
2085 if(!appData.useBitmaps || s == NULL || *s == 0 || *s == '*') { useTexture &= ~(kind+1); return; }
2086 if(strstr(s, ".png")) {
2087 cairo_surface_t *img = cairo_image_surface_create_from_png (s);
2089 useTexture |= kind + 1; pngBoardBitmap[kind] = img;
2090 textureW[kind] = cairo_image_surface_get_width (img);
2091 textureH[kind] = cairo_image_surface_get_height (img);
2094 if (XpmReadFileToPixmap(xDisplay, xBoardWindow, s, &(xpmBoardBitmap[kind]), NULL, &attr) == 0) {
2095 useTexture |= kind + 1; textureW[kind] = attr.width; textureH[kind] = attr.height;
2101 { // [HGM] to prevent resoucre leak on calling CreaeXPMPieces() a second time,
2102 // thisroutine has to be called t free the old piece pixmaps
2104 for (piece = (int) WhitePawn; piece <= (int) WhiteKing + 4; piece++)
2105 for (kind=0; kind<4; kind++) XFreePixmap(xDisplay, xpmPieceBitmap2[kind][piece]);
2107 XFreePixmap(xDisplay, xpmLightSquare);
2108 XFreePixmap(xDisplay, xpmDarkSquare);
2117 u_int ss = squareSize;
2119 static char *xpmkind[] = { "ll", "ld", "dl", "dd" };
2120 XpmColorSymbol symbols[4];
2121 static int redo = False;
2123 if(redo) FreeXPMPieces(); else redo = 1;
2125 /* The XSynchronize calls were copied from CreatePieces.
2126 Not sure if needed, but can't hurt */
2127 XSynchronize(xDisplay, True); /* Work-around for xlib/xt buffering bug */
2129 /* Setup translations so piece colors match square colors */
2130 symbols[0].name = "light_piece";
2131 symbols[0].value = appData.whitePieceColor;
2132 symbols[1].name = "dark_piece";
2133 symbols[1].value = appData.blackPieceColor;
2134 symbols[2].name = "light_square";
2135 symbols[2].value = appData.lightSquareColor;
2136 symbols[3].name = "dark_square";
2137 symbols[3].value = appData.darkSquareColor;
2139 attr.valuemask = XpmColorSymbols;
2140 attr.colorsymbols = symbols;
2141 attr.numsymbols = 4;
2143 if (appData.monoMode) {
2144 DisplayFatalError(_("XPM pieces cannot be used in monochrome mode"),
2148 if (strlen(appData.pixmapDirectory) == 0) {
2149 XpmPieces* pieces = builtInXpms;
2152 while (pieces->size != squareSize && pieces->size) pieces++;
2153 if (!pieces->size) {
2154 fprintf(stderr, _("No builtin XPM pieces of size %d\n"), squareSize);
2157 for (piece = (int) WhitePawn; piece <= (int) WhiteKing + 4; piece++) {
2158 for (kind=0; kind<4; kind++) {
2160 if ((r=XpmCreatePixmapFromData(xDisplay, xBoardWindow,
2161 pieces->xpm[piece][kind],
2162 &(xpmPieceBitmap2[kind][piece]),
2163 NULL, &attr)) != 0) {
2164 fprintf(stderr, _("Error %d loading XPM image \"%s\"\n"),
2168 if(piece <= (int) WhiteKing)
2169 xpmPieceBitmap[kind][piece] = xpmPieceBitmap2[kind][piece];
2173 xpmJailSquare = xpmLightSquare;
2177 fprintf(stderr, _("\nLoading XPMs...\n"));
2180 for (piece = (int) WhitePawn; piece <= (int) WhiteKing + 4; piece++) {
2181 fprintf(stderr, "%d ", piece+1);
2182 for (kind=0; kind<4; kind++) {
2183 snprintf(buf, sizeof(buf), "%s/%s%c%s%u.xpm",
2184 ExpandPathName(appData.pixmapDirectory),
2185 piece > (int) WhiteKing ? "w" : "",
2186 pieceBitmapNames[piece],
2188 if (appData.debugMode) {
2189 fprintf(stderr, _("(File:%s:) "), buf);
2191 if ((r=XpmReadFileToPixmap(xDisplay, xBoardWindow, buf,
2192 &(xpmPieceBitmap2[kind][piece]),
2193 NULL, &attr)) != 0) {
2194 if(piece != (int)WhiteKing && piece > (int)WhiteQueen) {
2195 // [HGM] missing: read of unorthodox piece failed; substitute King.
2196 snprintf(buf, sizeof(buf), "%s/k%s%u.xpm",
2197 ExpandPathName(appData.pixmapDirectory),
2199 if (appData.debugMode) {
2200 fprintf(stderr, _("(Replace by File:%s:) "), buf);
2202 r=XpmReadFileToPixmap(xDisplay, xBoardWindow, buf,
2203 &(xpmPieceBitmap2[kind][piece]),
2207 fprintf(stderr, _("Error %d loading XPM file \"%s\"\n"),
2212 if(piece <= (int) WhiteKing)
2213 xpmPieceBitmap[kind][piece] = xpmPieceBitmap2[kind][piece];
2216 /* Load light and dark squares */
2217 /* If the LSQ and DSQ pieces don't exist, we will
2218 draw them with solid squares. */
2219 fprintf(stderr, _("light square "));
2220 snprintf(buf, sizeof(buf), "%s/lsq%u.xpm", ExpandPathName(appData.pixmapDirectory), ss);
2221 if (access(buf, 0) != 0) {
2225 if (appData.debugMode)
2226 fprintf(stderr, _("(File:%s:) "), buf);
2228 if ((r=XpmReadFileToPixmap(xDisplay, xBoardWindow, buf,
2229 &xpmLightSquare, NULL, &attr)) != 0) {
2230 fprintf(stderr, _("Error %d loading XPM file \"%s\"\n"), r, buf);
2233 fprintf(stderr, _("dark square "));
2234 snprintf(buf, sizeof(buf), "%s/dsq%u.xpm",
2235 ExpandPathName(appData.pixmapDirectory), ss);
2236 if (appData.debugMode) {
2237 fprintf(stderr, _("(File:%s:) "), buf);
2239 if ((r=XpmReadFileToPixmap(xDisplay, xBoardWindow, buf,
2240 &xpmDarkSquare, NULL, &attr)) != 0) {
2241 fprintf(stderr, _("Error %d loading XPM file \"%s\"\n"), r, buf);
2245 xpmJailSquare = xpmLightSquare;
2246 fprintf(stderr, _("Done.\n"));
2248 oldVariant = -1; // kludge to force re-makig of animation masks
2249 XSynchronize(xDisplay, False); /* Work-around for xlib/xt
2252 #endif /* HAVE_LIBXPM */
2254 char *pngPieceNames[] = // must be in same order as internal piece encoding
2255 { "Pawn", "Knight", "Bishop", "Rook", "Queen", "Advisor", "Elephant", "Archbishop", "Marshall", "Gold", "Commoner",
2256 "Canon", "Nightrider", "CrownedBishop", "CrownedRook", "Princess", "Chancellor", "Hawk", "Lance", "Cobra", "Unicorn", "King",
2257 "GoldKnight", "GoldLance", "GoldPawn", "GoldSilver", NULL
2261 ScaleOnePiece (char *name, int color, int piece)
2265 cairo_surface_t *img, *cs;
2267 static cairo_surface_t *pngPieceImages[2][(int)BlackPawn+4]; // png 256 x 256 images
2269 if((img = pngPieceImages[color][piece]) == NULL) { // if PNG file for this piece was not yet read, read it now and store it
2270 snprintf(buf, MSG_SIZ, "%s/%s%s.png", appData.pngDirectory, color ? "Black" : "White", pngPieceNames[piece]);
2271 pngPieceImages[color][piece] = img = cairo_image_surface_create_from_png (buf);
2272 w = cairo_image_surface_get_width (img);
2273 h = cairo_image_surface_get_height (img);
2274 if(w != 64 || h != 64) { printf("Bad png size %dx%d in %s\n", w, h, buf); exit(1); }
2276 // create new bitmap to hold scaled piece image (and remove any old)
2277 if(pngPieceBitmaps2[color][piece]) cairo_surface_destroy (pngPieceBitmaps2[color][piece]);
2278 pngPieceBitmaps2[color][piece] = cs = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize);
2279 if(piece <= WhiteKing) pngPieceBitmaps[color][piece] = cs;
2280 // scaled copying of the raw png image
2281 cr = cairo_create(cs);
2282 cairo_scale(cr, squareSize/64., squareSize/64.);
2283 cairo_set_source_surface (cr, img, 0, 0);
2293 for(p=0; pngPieceNames[p]; p++) {
2294 ScaleOnePiece(pngPieceNames[p], 0, p);
2295 ScaleOnePiece(pngPieceNames[p], 1, p);
2300 /* No built-in bitmaps */
2305 u_int ss = squareSize;
2307 XSynchronize(xDisplay, True); /* Work-around for xlib/xt
2310 for (kind = SOLID; kind <= (appData.monoMode ? OUTLINE : SOLID); kind++) {
2311 for (piece = (int) WhitePawn; piece <= (int) WhiteKing + 4; piece++) {
2312 snprintf(buf, MSG_SIZ, "%s%c%u%c.bm", piece > (int)WhiteKing ? "w" : "",
2313 pieceBitmapNames[piece],
2314 ss, kind == SOLID ? 's' : 'o');
2315 ReadBitmap(&pieceBitmap2[kind][piece], buf, NULL, ss, ss);
2316 if(piece <= (int)WhiteKing)
2317 pieceBitmap[kind][piece] = pieceBitmap2[kind][piece];
2321 XSynchronize(xDisplay, False); /* Work-around for xlib/xt
2325 /* With built-in bitmaps */
2329 BuiltInBits* bib = builtInBits;
2332 u_int ss = squareSize;
2334 XSynchronize(xDisplay, True); /* Work-around for xlib/xt
2337 while (bib->squareSize != ss && bib->squareSize != 0) bib++;
2339 for (kind = SOLID; kind <= (appData.monoMode ? OUTLINE : SOLID); kind++) {
2340 for (piece = (int) WhitePawn; piece <= (int) WhiteKing + 4; piece++) {
2341 snprintf(buf, MSG_SIZ, "%s%c%u%c.bm", piece > (int)WhiteKing ? "w" : "",
2342 pieceBitmapNames[piece],
2343 ss, kind == SOLID ? 's' : 'o');
2344 ReadBitmap(&pieceBitmap2[kind][piece], buf,
2345 bib->bits[kind][piece], ss, ss);
2346 if(piece <= (int)WhiteKing)
2347 pieceBitmap[kind][piece] = pieceBitmap2[kind][piece];
2351 XSynchronize(xDisplay, False); /* Work-around for xlib/xt
2357 ReadBitmap (Pixmap *pm, String name, unsigned char bits[], u_int wreq, u_int hreq)
2362 char msg[MSG_SIZ], fullname[MSG_SIZ];
2364 if (*appData.bitmapDirectory != NULLCHAR) {
2365 safeStrCpy(fullname, appData.bitmapDirectory, sizeof(fullname)/sizeof(fullname[0]) );
2366 strncat(fullname, "/", MSG_SIZ - strlen(fullname) - 1);
2367 strncat(fullname, name, MSG_SIZ - strlen(fullname) - 1);
2368 errcode = XReadBitmapFile(xDisplay, xBoardWindow, fullname,
2369 &w, &h, pm, &x_hot, &y_hot);
2370 fprintf(stderr, "load %s\n", name);
2371 if (errcode != BitmapSuccess) {
2373 case BitmapOpenFailed:
2374 snprintf(msg, sizeof(msg), _("Can't open bitmap file %s"), fullname);
2376 case BitmapFileInvalid:
2377 snprintf(msg, sizeof(msg), _("Invalid bitmap in file %s"), fullname);
2379 case BitmapNoMemory:
2380 snprintf(msg, sizeof(msg), _("Ran out of memory reading bitmap file %s"),
2384 snprintf(msg, sizeof(msg), _("Unknown XReadBitmapFile error %d on file %s"),
2388 fprintf(stderr, _("%s: %s...using built-in\n"),
2390 } else if (w != wreq || h != hreq) {
2392 _("%s: Bitmap %s is %dx%d, not %dx%d...using built-in\n"),
2393 programName, fullname, w, h, wreq, hreq);
2399 *pm = XCreateBitmapFromData(xDisplay, xBoardWindow, (char *) bits,
2409 if (lineGap == 0) return;
2411 /* [HR] Split this into 2 loops for non-square boards. */
2413 for (i = 0; i < BOARD_HEIGHT + 1; i++) {
2414 gridSegments[i].x1 = 0;
2415 gridSegments[i].x2 =
2416 lineGap + BOARD_WIDTH * (squareSize + lineGap);
2417 gridSegments[i].y1 = gridSegments[i].y2
2418 = lineGap / 2 + (i * (squareSize + lineGap));
2421 for (j = 0; j < BOARD_WIDTH + 1; j++) {
2422 gridSegments[j + i].y1 = 0;
2423 gridSegments[j + i].y2 =
2424 lineGap + BOARD_HEIGHT * (squareSize + lineGap);
2425 gridSegments[j + i].x1 = gridSegments[j + i].x2
2426 = lineGap / 2 + (j * (squareSize + lineGap));
2431 MarkMenuItem (char *menuRef, int state)
2433 MenuItem *item = MenuNameToItem(menuRef);
2437 XtSetArg(args[0], XtNleftBitmap, state ? xMarkPixmap : None);
2438 XtSetValues(item->handle, args, 1);
2443 EnableNamedMenuItem (char *menuRef, int state)
2445 MenuItem *item = MenuNameToItem(menuRef);
2447 if(item) XtSetSensitive(item->handle, state);
2451 EnableButtonBar (int state)
2453 XtSetSensitive(optList[W_BUTTON].handle, state);
2458 SetMenuEnables (Enables *enab)
2460 while (enab->name != NULL) {
2461 EnableNamedMenuItem(enab->name, enab->value);
2467 KeyBindingProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
2468 { // [HGM] new method of key binding: specify MenuItem(FlipView) in stead of FlipViewProc in translation string
2470 if(*nprms == 0) return;
2471 item = MenuNameToItem(prms[0]);
2472 if(item) ((MenuProc *) item->proc) ();
2476 MenuEngineSelect (Widget w, caddr_t addr, caddr_t index)
2478 RecentEngineEvent((int) (intptr_t) addr);
2482 AppendMenuItem (char *msg, int n)
2484 CreateMenuItem((Widget) optList[W_ENGIN].textValue, msg, (XtCallbackProc) MenuEngineSelect, n);
2496 for (i=0; i<sizeof(dmEnables)/sizeof(DropMenuEnables); i++) {
2497 entry = XtNameToWidget(dropMenu, dmEnables[i].widget);
2498 p = strchr(gameMode == IcsPlayingWhite ? white_holding : black_holding,
2499 dmEnables[i].piece);
2500 XtSetSensitive(entry, p != NULL || !appData.testLegality
2501 /*!!temp:*/ || (gameInfo.variant == VariantCrazyhouse
2502 && !appData.icsActive));
2504 while (p && *p++ == dmEnables[i].piece) count++;
2505 snprintf(label, sizeof(label), "%s %d", dmEnables[i].widget, count);
2507 XtSetArg(args[j], XtNlabel, label); j++;
2508 XtSetValues(entry, args, j);
2514 do_flash_delay (unsigned long msec)
2520 DoDrawBorder (cairo_surface_t *cs, int x, int y, int type)
2525 cr = cairo_create(cs);
2526 cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
2527 cairo_rectangle(cr, x, y, squareSize+lineGap, squareSize+lineGap);
2528 SetPen(cr, lineGap, type == 1 ? appData.highlightSquareColor : appData.premoveHighlightColor, 0);
2533 DrawBorder (int x, int y, int type)
2535 DoDrawBorder(csBoardWindow, x, y, type);
2536 DoDrawBorder(csBoardBackup, x, y, type);
2540 CutOutSquare (int x, int y, int *x0, int *y0, int kind)
2542 int W = BOARD_WIDTH, H = BOARD_HEIGHT;
2543 int nx = x/(squareSize + lineGap), ny = y/(squareSize + lineGap);
2545 if(textureW[kind] < squareSize || textureH[kind] < squareSize) return 0;
2546 if(textureW[kind] < W*squareSize)
2547 *x0 = (textureW[kind] - squareSize) * nx/(W-1);
2549 *x0 = textureW[kind]*nx / W + (textureW[kind] - W*squareSize) / (2*W);
2550 if(textureH[kind] < H*squareSize)
2551 *y0 = (textureH[kind] - squareSize) * ny/(H-1);
2553 *y0 = textureH[kind]*ny / H + (textureH[kind] - H*squareSize) / (2*H);
2558 DrawLogo (void *handle, void *logo)
2560 cairo_surface_t *img, *cs;
2564 if(!logo || !handle) return;
2565 cs = cairo_xlib_surface_create(xDisplay, XtWindow(handle), DefaultVisual(xDisplay, 0), appData.logoSize, appData.logoSize/2);
2566 img = cairo_image_surface_create_from_png (logo);
2567 w = cairo_image_surface_get_width (img);
2568 h = cairo_image_surface_get_height (img);
2569 cr = cairo_create(cs);
2570 cairo_scale(cr, (float)appData.logoSize/w, appData.logoSize/(2.*h));
2571 cairo_set_source_surface (cr, img, 0, 0);
2574 cairo_surface_destroy (img);
2575 cairo_surface_destroy (cs);
2579 BlankSquare (int x, int y, int color, ChessSquare piece, Drawable dest, int fac)
2580 { // [HGM] extra param 'fac' for forcing destination to (0,0) for copying to animation buffer
2582 if (useImages && color != 2 && (useTexture & color+1) && CutOutSquare(x, y, &x0, &y0, color)) {
2583 if(pngBoardBitmap[color]) {
2585 if(!fac && !cairoAnimate) return;
2587 cr = cairo_create (fac ? csBoardWindow : (cairo_surface_t *) dest);
2588 cairo_set_source_surface (cr, pngBoardBitmap[color], x*fac - x0, y*fac - y0);
2589 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
2590 cairo_rectangle (cr, x*fac, y*fac, squareSize, squareSize);
2594 cr = cairo_create (csBoardBackup);
2595 cairo_set_source_surface (cr, pngBoardBitmap[color], x*fac - x0, y*fac - y0);
2596 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
2597 cairo_rectangle (cr, x*fac, y*fac, squareSize, squareSize);
2602 XCopyArea(xDisplay, xpmBoardBitmap[color], dest, wlPieceGC, x0, y0,
2603 squareSize, squareSize, x*fac, y*fac);
2605 if (useImages && useImageSqs) {
2609 pm = xpmLightSquare;
2614 case 2: /* neutral */
2616 pm = xpmJailSquare; // [HGM] this is wrong, but apparently never used?
2619 XCopyArea(xDisplay, pm, dest, wlPieceGC, 0, 0,
2620 squareSize, squareSize, x*fac, y*fac);
2630 case 2: /* neutral */
2635 XFillRectangle(xDisplay, dest, gc, x*fac, y*fac, squareSize, squareSize);
2640 I split out the routines to draw a piece so that I could
2641 make a generic flash routine.
2644 monoDrawPiece_1bit (ChessSquare piece, int square_color, int x, int y, Drawable dest)
2646 /* Avoid XCopyPlane on 1-bit screens to work around Sun bug */
2647 switch (square_color) {
2649 case 2: /* neutral */
2651 XCopyArea(xDisplay, (int) piece < (int) BlackPawn
2652 ? *pieceToOutline(piece)
2653 : *pieceToSolid(piece),
2654 dest, bwPieceGC, 0, 0,
2655 squareSize, squareSize, x, y);
2658 XCopyArea(xDisplay, (int) piece < (int) BlackPawn
2659 ? *pieceToSolid(piece)
2660 : *pieceToOutline(piece),
2661 dest, wbPieceGC, 0, 0,
2662 squareSize, squareSize, x, y);
2668 monoDrawPiece (ChessSquare piece, int square_color, int x, int y, Drawable dest)
2670 switch (square_color) {
2672 case 2: /* neutral */
2674 XCopyPlane(xDisplay, (int) piece < (int) BlackPawn
2675 ? *pieceToOutline(piece)
2676 : *pieceToSolid(piece),
2677 dest, bwPieceGC, 0, 0,
2678 squareSize, squareSize, x, y, 1);
2681 XCopyPlane(xDisplay, (int) piece < (int) BlackPawn
2682 ? *pieceToSolid(piece)
2683 : *pieceToOutline(piece),
2684 dest, wbPieceGC, 0, 0,
2685 squareSize, squareSize, x, y, 1);
2691 colorDrawPiece (ChessSquare piece, int square_color, int x, int y, Drawable dest)
2693 if(pieceToSolid(piece) == NULL) return; // [HGM] bitmaps: make it non-fatal if we have no bitmap;
2694 switch (square_color) {
2696 XCopyPlane(xDisplay, *pieceToSolid(piece),
2697 dest, (int) piece < (int) BlackPawn
2698 ? wlPieceGC : blPieceGC, 0, 0,
2699 squareSize, squareSize, x, y, 1);
2702 XCopyPlane(xDisplay, *pieceToSolid(piece),
2703 dest, (int) piece < (int) BlackPawn
2704 ? wdPieceGC : bdPieceGC, 0, 0,
2705 squareSize, squareSize, x, y, 1);
2707 case 2: /* neutral */
2709 break; // should never contain pieces
2714 colorDrawPieceImage (ChessSquare piece, int square_color, int x, int y, Drawable dest)
2716 int kind, p = piece;
2718 switch (square_color) {
2720 case 2: /* neutral */
2722 if ((int)piece < (int) BlackPawn) {
2730 if ((int)piece < (int) BlackPawn) {
2738 if(appData.upsideDown && flipView) { kind ^= 2; p += p < BlackPawn ? BlackPawn : -BlackPawn; }// swap white and black pieces
2739 if(useTexture & square_color+1) {
2740 BlankSquare(x, y, square_color, piece, dest, 1); // erase previous contents with background
2741 XSetClipMask(xDisplay, wlPieceGC, xpmMask[p]);
2742 XSetClipOrigin(xDisplay, wlPieceGC, x, y);
2743 XCopyArea(xDisplay, xpmPieceBitmap[kind][piece], dest, wlPieceGC, 0, 0, squareSize, squareSize, x, y);
2744 XSetClipMask(xDisplay, wlPieceGC, None);
2745 XSetClipOrigin(xDisplay, wlPieceGC, 0, 0);
2747 XCopyArea(xDisplay, xpmPieceBitmap[kind][piece],
2748 dest, wlPieceGC, 0, 0,
2749 squareSize, squareSize, x, y);
2753 pngDrawPiece (ChessSquare piece, int square_color, int x, int y, Drawable dest)
2755 int kind, p = piece;
2758 if ((int)piece < (int) BlackPawn) {
2764 if(appData.upsideDown && flipView) { p += p < BlackPawn ? BlackPawn : -BlackPawn; }// swap white and black pieces
2765 BlankSquare(x, y, square_color, piece, dest, 1); // erase previous contents with background
2767 cr = cairo_create (csBoardWindow);
2768 cairo_set_source_surface (cr, pngPieceBitmaps[kind][piece], x, y);
2771 cr = cairo_create (csBoardBackup);
2772 cairo_set_source_surface (cr, pngPieceBitmaps[kind][piece], x, y);
2777 typedef void (*DrawFunc)();
2782 if (appData.monoMode) {
2783 if (DefaultDepth(xDisplay, xScreen) == 1) {
2784 return monoDrawPiece_1bit;
2786 return monoDrawPiece;
2788 } else if(appData.pngDirectory[0]) {
2789 return pngDrawPiece;
2792 return colorDrawPieceImage;
2794 return colorDrawPiece;
2799 DoDrawDot (int marker, int x, int y, int r, cairo_surface_t *cs)
2803 cr = cairo_create(cs);
2804 cairo_arc(cr, x+r/2, y+r/2, r/2, 0.0, 2*M_PI);
2805 if(appData.monoMode) {
2806 SetPen(cr, 2, marker == 2 ? "#000000" : "#FFFFFF", 0);
2807 cairo_stroke_preserve(cr);
2808 SetPen(cr, 2, marker == 2 ? "#FFFFFF" : "#000000", 0);
2810 SetPen(cr, 2, marker == 2 ? "#FF0000" : "#FFFF00", 0);
2819 DrawDot (int marker, int x, int y, int r)
2821 DoDrawDot(marker, x, y, r, csBoardWindow);
2822 DoDrawDot(marker, x, y, r, csBoardBackup);
2826 DrawOneSquare (int x, int y, ChessSquare piece, int square_color, int marker, char *string, int align)
2827 { // basic front-end board-draw function: takes care of everything that can be in square:
2828 // piece, background, coordinate/count, marker dot
2829 int direction, font_ascent, font_descent;
2830 XCharStruct overall;
2833 if (piece == EmptySquare) {
2834 BlankSquare(x, y, square_color, piece, xBoardWindow, 1);
2836 drawfunc = ChooseDrawFunc();
2837 drawfunc(piece, square_color, x, y, xBoardWindow);
2840 if(align) { // square carries inscription (coord or piece count)
2842 GC hGC = align < 3 ? coordGC : countGC;
2843 // first calculate where it goes
2844 XTextExtents(countFontStruct, string, 1, &direction,
2845 &font_ascent, &font_descent, &overall);
2847 xx += squareSize - overall.width - 2;
2848 yy += squareSize - font_descent - 1;
2849 } else if (align == 2) {
2850 xx += 2, yy += font_ascent + 1;
2851 } else if (align == 3) {
2852 xx += squareSize - overall.width - 2;
2853 yy += font_ascent + 1;
2854 } else if (align == 4) {
2855 xx += 2, yy += font_ascent + 1;
2858 if (appData.monoMode) {
2859 XDrawImageString(xDisplay, xBoardWindow, hGC, xx, yy, string, 1);
2861 XDrawString(xDisplay, xBoardWindow, hGC, xx, yy, string, 1);
2865 if(marker) { // print fat marker dot, if requested
2866 DrawDot(marker, x + squareSize/4, y+squareSize/4, squareSize/2);
2871 FlashDelay (int flash_delay)
2873 XSync(xDisplay, False);
2874 if(flash_delay) do_flash_delay(flash_delay);
2878 Fraction (int x, int start, int stop)
2880 double f = ((double) x - start)/(stop - start);
2881 if(f > 1.) f = 1.; else if(f < 0.) f = 0.;
2885 static WindowPlacement wpNew;
2888 CoDrag (Widget sh, WindowPlacement *wp)
2891 int j=0, touch=0, fudge = 2;
2892 GetActualPlacement(sh, wp);
2893 if(abs(wpMain.x + wpMain.width + 2*frameX - wp->x) < fudge) touch = 1; else // right touch
2894 if(abs(wp->x + wp->width + 2*frameX - wpMain.x) < fudge) touch = 2; else // left touch
2895 if(abs(wpMain.y + wpMain.height + frameX + frameY - wp->y) < fudge) touch = 3; else // bottom touch
2896 if(abs(wp->y + wp->height + frameX + frameY - wpMain.y) < fudge) touch = 4; // top touch
2897 if(!touch ) return; // only windows that touch co-move
2898 if(touch < 3 && wpNew.height != wpMain.height) { // left or right and height changed
2899 int heightInc = wpNew.height - wpMain.height;
2900 double fracTop = Fraction(wp->y, wpMain.y, wpMain.y + wpMain.height + frameX + frameY);
2901 double fracBot = Fraction(wp->y + wp->height + frameX + frameY + 1, wpMain.y, wpMain.y + wpMain.height + frameX + frameY);
2902 wp->y += fracTop * heightInc;
2903 heightInc = (int) (fracBot * heightInc) - (int) (fracTop * heightInc);
2904 if(heightInc) XtSetArg(args[j], XtNheight, wp->height + heightInc), j++;
2905 } else if(touch > 2 && wpNew.width != wpMain.width) { // top or bottom and width changed
2906 int widthInc = wpNew.width - wpMain.width;
2907 double fracLeft = Fraction(wp->x, wpMain.x, wpMain.x + wpMain.width + 2*frameX);
2908 double fracRght = Fraction(wp->x + wp->width + 2*frameX + 1, wpMain.x, wpMain.x + wpMain.width + 2*frameX);
2909 wp->y += fracLeft * widthInc;
2910 widthInc = (int) (fracRght * widthInc) - (int) (fracLeft * widthInc);
2911 if(widthInc) XtSetArg(args[j], XtNwidth, wp->width + widthInc), j++;
2913 wp->x += wpNew.x - wpMain.x;
2914 wp->y += wpNew.y - wpMain.y;
2915 if(touch == 1) wp->x += wpNew.width - wpMain.width; else
2916 if(touch == 3) wp->y += wpNew.height - wpMain.height;
2917 XtSetArg(args[j], XtNx, wp->x); j++;
2918 XtSetArg(args[j], XtNy, wp->y); j++;
2919 XtSetValues(sh, args, j);
2923 ReSize (WindowPlacement *wp)
2926 if(wp->width == wpMain.width && wp->height == wpMain.height) return; // not sized
2927 sqx = (wp->width - lineGap - marginW) / BOARD_WIDTH - lineGap;
2928 sqy = (wp->height - lineGap - marginH) / BOARD_HEIGHT - lineGap;
2929 if(sqy < sqx) sqx = sqy;
2930 if(sqx != squareSize) {
2931 squareSize = sqx; // adopt new square size
2933 CreatePNGPieces(); // make newly scaled pieces
2934 InitDrawingSizes(0, 0); // creates grid etc.
2938 static XtIntervalId delayedDragID = 0;
2947 GetActualPlacement(shellWidget, &wpNew);
2948 if(wpNew.x == wpMain.x && wpNew.y == wpMain.y && // not moved
2949 wpNew.width == wpMain.width && wpNew.height == wpMain.height) { // not sized
2950 busy = 0; return; // false alarm
2953 if(shellUp[EngOutDlg]) CoDrag(shells[EngOutDlg], &wpEngineOutput);
2954 if(shellUp[HistoryDlg]) CoDrag(shells[HistoryDlg], &wpMoveHistory);
2955 if(shellUp[EvalGraphDlg]) CoDrag(shells[EvalGraphDlg], &wpEvalGraph);
2956 if(shellUp[GameListDlg]) CoDrag(shells[GameListDlg], &wpGameList);
2958 DrawPosition(True, NULL);
2959 delayedDragID = 0; // now drag executed, make sure next DelayedDrag will not cancel timer event (which could now be used by other)
2967 if(delayedDragID) XtRemoveTimeOut(delayedDragID); // cancel pending
2969 XtAppAddTimeOut(appContext, 100, (XtTimerCallbackProc) DragProc, (XtPointer) 0); // and schedule new one 50 msec later
2973 EventProc (Widget widget, caddr_t unused, XEvent *event)
2975 if(XtIsRealized(widget) && event->type == ConfigureNotify || appData.useStickyWindows)
2976 DelayedDrag(); // as long as events keep coming in faster than 50 msec, they destroy each other
2979 // [HGM] seekgraph: some low-level drawing routines (by JC, mostly)
2982 Color (char *col, int n)
2985 sscanf(col, "#%x", &c);
2991 SetPen (cairo_t *cr, float w, char *col, int dash)
2993 static const double dotted[] = {4.0, 4.0};
2994 static int len = sizeof(dotted) / sizeof(dotted[0]);
2995 cairo_set_line_width (cr, w);
2996 cairo_set_source_rgba (cr, Color(col, 4), Color(col, 2), Color(col, 0), 1.0);
2997 if(dash) cairo_set_dash (cr, dotted, len, 0.0);
3000 void DrawSeekAxis( int x, int y, int xTo, int yTo )
3005 cr = cairo_create (csBoardWindow);
3007 cairo_move_to (cr, x, y);
3008 cairo_line_to(cr, xTo, yTo );
3010 SetPen(cr, 2, "#000000", 0);
3017 void DrawSeekBackground( int left, int top, int right, int bottom )
3019 cairo_t *cr = cairo_create (csBoardWindow);
3021 cairo_rectangle (cr, left, top, right-left, bottom-top);
3023 cairo_set_source_rgba(cr, 0.8, 0.8, 0.4,1.0);
3030 void DrawSeekText(char *buf, int x, int y)
3032 cairo_t *cr = cairo_create (csBoardWindow);
3034 cairo_select_font_face (cr, "Sans",
3035 CAIRO_FONT_SLANT_NORMAL,
3036 CAIRO_FONT_WEIGHT_NORMAL);
3038 cairo_set_font_size (cr, 12.0);
3040 cairo_move_to (cr, x, y+4);
3041 cairo_show_text( cr, buf);
3043 cairo_set_source_rgba(cr, 0, 0, 0,1.0);
3050 void DrawSeekDot(int x, int y, int colorNr)
3052 cairo_t *cr = cairo_create (csBoardWindow);
3053 int square = colorNr & 0x80;
3057 cairo_rectangle (cr, x-squareSize/9, y-squareSize/9, 2*squareSize/9, 2*squareSize/9);
3059 cairo_arc(cr, x, y, squareSize/8, 0.0, 2*M_PI);
3061 SetPen(cr, 2, "#000000", 0);
3062 cairo_stroke_preserve(cr);
3064 case 0: cairo_set_source_rgba(cr, 1.0, 0, 0,1.0); break;
3065 case 1: cairo_set_source_rgba (cr, 0.0, 0.7, 0.2, 1.0); break;
3066 default: cairo_set_source_rgba (cr, 1.0, 1.0, 0.0, 1.0); break;
3077 int boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap);
3078 int boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
3079 if(!csBoardWindow) {
3080 csBoardWindow = cairo_xlib_surface_create(xDisplay, xBoardWindow, DefaultVisual(xDisplay, 0), boardWidth, boardHeight);
3081 csBoardBackup = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, boardWidth, boardHeight);
3091 DoDrawGrid(cairo_surface_t *cs)
3093 /* draws a grid starting around Nx, Ny squares starting at x,y */
3099 cr = cairo_create (cs);
3101 cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
3102 SetPen(cr, lineGap, "#000000", 0);
3105 for (i = 0; i < BOARD_WIDTH + BOARD_HEIGHT + 2; i++)
3107 cairo_move_to (cr, gridSegments[i].x1, gridSegments[i].y1);
3108 cairo_line_to (cr, gridSegments[i].x2, gridSegments[i].y2);
3121 DoDrawGrid(csBoardWindow);
3122 DoDrawGrid(csBoardBackup);
3126 * event handler for redrawing the board
3129 DrawPositionProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3131 DrawPosition(True, NULL);
3136 HandlePV (Widget w, XEvent * event, String * params, Cardinal * nParams)
3137 { // [HGM] pv: walk PV
3138 MovePV(event->xmotion.x, event->xmotion.y, lineGap + BOARD_HEIGHT * (squareSize + lineGap));
3141 static int savedIndex; /* gross that this is global */
3144 CommentClick (Widget w, XEvent * event, String * params, Cardinal * nParams)
3147 XawTextPosition index, dummy;
3150 XawTextGetSelectionPos(w, &index, &dummy);
3151 XtSetArg(arg, XtNstring, &val);
3152 XtGetValues(w, &arg, 1);
3153 ReplaceComment(savedIndex, val);
3154 if(savedIndex != currentMove) ToNrEvent(savedIndex);
3155 LoadVariation( index, val ); // [HGM] also does the actual moving to it, now
3159 EditCommentPopUp (int index, char *title, char *text)
3162 if (text == NULL) text = "";
3163 NewCommentPopup(title, text, index);
3167 CommentPopUp (char *title, char *text)
3169 savedIndex = currentMove; // [HGM] vari
3170 NewCommentPopup(title, text, currentMove);
3176 PopDown(CommentDlg);
3180 /* Disable all user input other than deleting the window */
3181 static int frozen = 0;
3187 /* Grab by a widget that doesn't accept input */
3188 XtAddGrab(optList[W_MESSG].handle, TRUE, FALSE);
3192 /* Undo a FreezeUI */
3196 if (!frozen) return;
3197 XtRemoveGrab(optList[W_MESSG].handle);
3205 static int oldPausing = FALSE;
3206 static GameMode oldmode = (GameMode) -1;
3209 if (!boardWidget || !XtIsRealized(boardWidget)) return;
3211 if (pausing != oldPausing) {
3212 oldPausing = pausing;
3213 MarkMenuItem("Mode.Pause", pausing);
3215 if (appData.showButtonBar) {
3216 /* Always toggle, don't set. Previous code messes up when
3217 invoked while the button is pressed, as releasing it
3218 toggles the state again. */
3221 XtSetArg(args[0], XtNbackground, &oldbg);
3222 XtSetArg(args[1], XtNforeground, &oldfg);
3223 XtGetValues(optList[W_PAUSE].handle,
3225 XtSetArg(args[0], XtNbackground, oldfg);
3226 XtSetArg(args[1], XtNforeground, oldbg);
3228 XtSetValues(optList[W_PAUSE].handle, args, 2);
3232 wname = ModeToWidgetName(oldmode);
3233 if (wname != NULL) {
3234 MarkMenuItem(wname, False);
3236 wname = ModeToWidgetName(gameMode);
3237 if (wname != NULL) {
3238 MarkMenuItem(wname, True);
3241 MarkMenuItem("Mode.MachineMatch", matchMode && matchGame < appData.matchGames);
3243 /* Maybe all the enables should be handled here, not just this one */
3244 EnableNamedMenuItem("Mode.Training", gameMode == Training || gameMode == PlayFromGameFile);
3246 DisplayLogos(optList[W_WHITE-1].handle, optList[W_BLACK+1].handle);
3251 * Button/menu procedures
3254 /* this variable is shared between CopyPositionProc and SendPositionSelection */
3255 char *selected_fen_position=NULL;
3258 SendPositionSelection (Widget w, Atom *selection, Atom *target,
3259 Atom *type_return, XtPointer *value_return,
3260 unsigned long *length_return, int *format_return)
3262 char *selection_tmp;
3264 // if (!selected_fen_position) return False; /* should never happen */
3265 if (*target == XA_STRING || *target == XA_UTF8_STRING(xDisplay)){
3266 if (!selected_fen_position) { // since it never happens, we use it for indicating a game is being sent
3267 FILE* f = fopen(gameCopyFilename, "r"); // This code, taken from SendGameSelection, now merges the two
3270 if (f == NULL) return False;
3274 selection_tmp = XtMalloc(len + 1);
3275 count = fread(selection_tmp, 1, len, f);
3278 XtFree(selection_tmp);
3281 selection_tmp[len] = NULLCHAR;
3283 /* note: since no XtSelectionDoneProc was registered, Xt will
3284 * automatically call XtFree on the value returned. So have to
3285 * make a copy of it allocated with XtMalloc */
3286 selection_tmp= XtMalloc(strlen(selected_fen_position)+16);
3287 safeStrCpy(selection_tmp, selected_fen_position, strlen(selected_fen_position)+16 );
3290 *value_return=selection_tmp;
3291 *length_return=strlen(selection_tmp);
3292 *type_return=*target;
3293 *format_return = 8; /* bits per byte */
3295 } else if (*target == XA_TARGETS(xDisplay)) {
3296 Atom *targets_tmp = (Atom *) XtMalloc(2 * sizeof(Atom));
3297 targets_tmp[0] = XA_UTF8_STRING(xDisplay);
3298 targets_tmp[1] = XA_STRING;
3299 *value_return = targets_tmp;
3300 *type_return = XA_ATOM;
3303 // This code leads to a read of value_return out of bounds on 64-bit systems.
3304 // Other code which I have seen always sets *format_return to 32 independent of
3305 // sizeof(Atom) without adjusting *length_return. For instance see TextConvertSelection()
3306 // at http://cgit.freedesktop.org/xorg/lib/libXaw/tree/src/Text.c -- BJ
3307 *format_return = 8 * sizeof(Atom);
3308 if (*format_return > 32) {
3309 *length_return *= *format_return / 32;
3310 *format_return = 32;
3313 *format_return = 32;
3321 /* note: when called from menu all parameters are NULL, so no clue what the
3322 * Widget which was clicked on was, or what the click event was
3325 CopySomething (char *src)
3327 selected_fen_position = src;
3329 * Set both PRIMARY (the selection) and CLIPBOARD, since we don't
3330 * have a notion of a position that is selected but not copied.
3331 * See http://www.freedesktop.org/wiki/Specifications/ClipboardsWiki
3333 XtOwnSelection(menuBarWidget, XA_PRIMARY,
3335 SendPositionSelection,
3336 NULL/* lose_ownership_proc */ ,
3337 NULL/* transfer_done_proc */);
3338 XtOwnSelection(menuBarWidget, XA_CLIPBOARD(xDisplay),
3340 SendPositionSelection,
3341 NULL/* lose_ownership_proc */ ,
3342 NULL/* transfer_done_proc */);
3345 /* function called when the data to Paste is ready */
3347 PastePositionCB (Widget w, XtPointer client_data, Atom *selection,
3348 Atom *type, XtPointer value, unsigned long *len, int *format)
3351 if (value==NULL || *len==0) return; /* nothing had been selected to copy */
3352 fenstr[*len]='\0'; /* normally this string is terminated, but be safe */
3353 EditPositionPasteFEN(fenstr);
3357 /* called when Paste Position button is pressed,
3358 * all parameters will be NULL */
3360 PastePositionProc ()
3362 XtGetSelectionValue(menuBarWidget,
3363 appData.pasteSelection ? XA_PRIMARY: XA_CLIPBOARD(xDisplay), XA_STRING,
3364 /* (XtSelectionCallbackProc) */ PastePositionCB,
3365 NULL, /* client_data passed to PastePositionCB */
3367 /* better to use the time field from the event that triggered the
3368 * call to this function, but that isn't trivial to get
3375 /* note: when called from menu all parameters are NULL, so no clue what the
3376 * Widget which was clicked on was, or what the click event was
3378 /* function called when the data to Paste is ready */
3380 PasteGameCB (Widget w, XtPointer client_data, Atom *selection,
3381 Atom *type, XtPointer value, unsigned long *len, int *format)
3384 if (value == NULL || *len == 0) {
3385 return; /* nothing had been selected to copy */
3387 f = fopen(gamePasteFilename, "w");
3389 DisplayError(_("Can't open temp file"), errno);
3392 fwrite(value, 1, *len, f);
3395 LoadGameFromFile(gamePasteFilename, 0, gamePasteFilename, TRUE);
3398 /* called when Paste Game button is pressed,
3399 * all parameters will be NULL */
3403 XtGetSelectionValue(menuBarWidget,
3404 appData.pasteSelection ? XA_PRIMARY: XA_CLIPBOARD(xDisplay), XA_STRING,
3405 /* (XtSelectionCallbackProc) */ PasteGameCB,
3406 NULL, /* client_data passed to PasteGameCB */
3408 /* better to use the time field from the event that triggered the
3409 * call to this function, but that isn't trivial to get
3418 QuitWrapper (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3425 { // bassic primitive for determining if modifier keys are pressed
3426 long int codes[] = { XK_Meta_L, XK_Meta_R, XK_Control_L, XK_Control_R, XK_Shift_L, XK_Shift_R };
3429 XQueryKeymap(xDisplay,keys);
3430 for(i=0; i<6; i++) {
3432 j = XKeysymToKeycode(xDisplay, codes[i]);
3433 k += ( (keys[j>>3]&1<<(j&7)) != 0 );
3439 MoveTypeInProc (Widget widget, caddr_t unused, XEvent *event)
3443 int n = XLookupString(&(event->xkey), buf, 10, &sym, NULL);
3444 if ( n == 1 && *buf >= 32 // printable
3445 && !(ShiftKeys() & 0x3C) // no Alt, Ctrl
3446 ) BoxAutoPopUp (buf);
3450 UpKeyProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3451 { // [HGM] input: let up-arrow recall previous line from history
3456 DownKeyProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3457 { // [HGM] input: let down-arrow recall next line from history
3462 EnterKeyProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3468 TempBackwardProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3470 if (!TempBackwardActive) {
3471 TempBackwardActive = True;
3477 TempForwardProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3479 /* Check to see if triggered by a key release event for a repeating key.
3480 * If so the next queued event will be a key press of the same key at the same time */
3481 if (XEventsQueued(xDisplay, QueuedAfterReading)) {
3483 XPeekEvent(xDisplay, &next);
3484 if (next.type == KeyPress && next.xkey.time == event->xkey.time &&
3485 next.xkey.keycode == event->xkey.keycode)
3489 TempBackwardActive = False;
3493 ManInner (Widget w, XEvent *event, String *prms, Cardinal *nprms)
3494 { // called as key binding
3497 if (nprms && *nprms > 0)
3501 snprintf(buf, sizeof(buf), "xterm -e man %s &", name);
3507 { // called from menu
3508 ManInner(NULL, NULL, NULL, NULL);
3512 SetWindowTitle (char *text, char *title, char *icon)
3516 if (appData.titleInWindow) {
3518 XtSetArg(args[i], XtNlabel, text); i++;
3519 XtSetValues(titleWidget, args, i);
3522 XtSetArg(args[i], XtNiconName, (XtArgVal) icon); i++;
3523 XtSetArg(args[i], XtNtitle, (XtArgVal) title); i++;
3524 XtSetValues(shellWidget, args, i);
3525 XSync(xDisplay, False);
3530 NullXErrorCheck (Display *dpy, XErrorEvent *error_event)
3536 DisplayIcsInteractionTitle (String message)
3538 if (oldICSInteractionTitle == NULL) {
3539 /* Magic to find the old window title, adapted from vim */
3540 char *wina = getenv("WINDOWID");
3542 Window win = (Window) atoi(wina);
3543 Window root, parent, *children;
3544 unsigned int nchildren;
3545 int (*oldHandler)() = XSetErrorHandler(NullXErrorCheck);
3547 if (XFetchName(xDisplay, win, &oldICSInteractionTitle)) break;
3548 if (!XQueryTree(xDisplay, win, &root, &parent,
3549 &children, &nchildren)) break;
3550 if (children) XFree((void *)children);
3551 if (parent == root || parent == 0) break;
3554 XSetErrorHandler(oldHandler);
3556 if (oldICSInteractionTitle == NULL) {
3557 oldICSInteractionTitle = "xterm";
3560 printf("\033]0;%s\007", message);
3565 XtIntervalId delayedEventTimerXID = 0;
3566 DelayedEventCallback delayedEventCallback = 0;
3571 delayedEventTimerXID = 0;
3572 delayedEventCallback();
3576 ScheduleDelayedEvent (DelayedEventCallback cb, long millisec)
3578 if(delayedEventTimerXID && delayedEventCallback == cb)
3579 // [HGM] alive: replace, rather than add or flush identical event
3580 XtRemoveTimeOut(delayedEventTimerXID);
3581 delayedEventCallback = cb;
3582 delayedEventTimerXID =
3583 XtAppAddTimeOut(appContext, millisec,
3584 (XtTimerCallbackProc) FireDelayedEvent, (XtPointer) 0);
3587 DelayedEventCallback
3590 if (delayedEventTimerXID) {
3591 return delayedEventCallback;
3598 CancelDelayedEvent ()
3600 if (delayedEventTimerXID) {
3601 XtRemoveTimeOut(delayedEventTimerXID);
3602 delayedEventTimerXID = 0;
3606 XtIntervalId loadGameTimerXID = 0;
3609 LoadGameTimerRunning ()
3611 return loadGameTimerXID != 0;
3615 StopLoadGameTimer ()
3617 if (loadGameTimerXID != 0) {
3618 XtRemoveTimeOut(loadGameTimerXID);
3619 loadGameTimerXID = 0;
3627 LoadGameTimerCallback (XtPointer arg, XtIntervalId *id)
3629 loadGameTimerXID = 0;
3634 StartLoadGameTimer (long millisec)
3637 XtAppAddTimeOut(appContext, millisec,
3638 (XtTimerCallbackProc) LoadGameTimerCallback,
3642 XtIntervalId analysisClockXID = 0;
3645 AnalysisClockCallback (XtPointer arg, XtIntervalId *id)
3647 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile
3648 || appData.icsEngineAnalyze) { // [DM]
3649 AnalysisPeriodicEvent(0);
3650 StartAnalysisClock();
3655 StartAnalysisClock ()
3658 XtAppAddTimeOut(appContext, 2000,
3659 (XtTimerCallbackProc) AnalysisClockCallback,
3663 XtIntervalId clockTimerXID = 0;
3666 ClockTimerRunning ()
3668 return clockTimerXID != 0;
3674 if (clockTimerXID != 0) {
3675 XtRemoveTimeOut(clockTimerXID);
3684 ClockTimerCallback (XtPointer arg, XtIntervalId *id)
3691 StartClockTimer (long millisec)
3694 XtAppAddTimeOut(appContext, millisec,
3695 (XtTimerCallbackProc) ClockTimerCallback,
3700 DisplayTimerLabel (Option *opt, char *color, long timer, int highlight)
3704 Widget w = (Widget) opt->handle;
3706 /* check for low time warning */
3707 Pixel foregroundOrWarningColor = timerForegroundPixel;
3710 appData.lowTimeWarning &&
3711 (timer / 1000) < appData.icsAlarmTime)
3712 foregroundOrWarningColor = lowTimeWarningColor;
3714 if (appData.clockMode) {
3715 snprintf(buf, MSG_SIZ, "%s:%s%s", color, appData.logoSize && !partnerUp ? "\n" : " ", TimeString(timer));
3716 XtSetArg(args[0], XtNlabel, buf);
3718 snprintf(buf, MSG_SIZ, "%s ", color);
3719 XtSetArg(args[0], XtNlabel, buf);
3724 XtSetArg(args[1], XtNbackground, foregroundOrWarningColor);
3725 XtSetArg(args[2], XtNforeground, timerBackgroundPixel);
3727 XtSetArg(args[1], XtNbackground, timerBackgroundPixel);
3728 XtSetArg(args[2], XtNforeground, foregroundOrWarningColor);
3731 XtSetValues(w, args, 3);
3734 static Pixmap *clockIcons[] = { &wIconPixmap, &bIconPixmap };
3737 SetClockIcon (int color)
3740 Pixmap pm = *clockIcons[color];
3741 if (iconPixmap != pm) {
3743 XtSetArg(args[0], XtNiconPixmap, iconPixmap);
3744 XtSetValues(shellWidget, args, 1);
3749 DoInputCallback (caddr_t closure, int *source, XtInputId *xid)
3751 InputSource *is = (InputSource *) closure;
3756 if (is->lineByLine) {
3757 count = read(is->fd, is->unused,
3758 INPUT_SOURCE_BUF_SIZE - (is->unused - is->buf));
3760 (is->func)(is, is->closure, is->buf, count, count ? errno : 0);
3763 is->unused += count;
3765 while (p < is->unused) {
3766 q = memchr(p, '\n', is->unused - p);
3767 if (q == NULL) break;
3769 (is->func)(is, is->closure, p, q - p, 0);
3773 while (p < is->unused) {
3778 count = read(is->fd, is->buf, INPUT_SOURCE_BUF_SIZE);
3783 (is->func)(is, is->closure, is->buf, count, error);
3788 AddInputSource (ProcRef pr, int lineByLine, InputCallback func, VOIDSTAR closure)
3791 ChildProc *cp = (ChildProc *) pr;
3793 is = (InputSource *) calloc(1, sizeof(InputSource));
3794 is->lineByLine = lineByLine;
3798 is->fd = fileno(stdin);
3800 is->kind = cp->kind;
3801 is->fd = cp->fdFrom;
3804 is->unused = is->buf;
3807 is->xid = XtAppAddInput(appContext, is->fd,
3808 (XtPointer) (XtInputReadMask),
3809 (XtInputCallbackProc) DoInputCallback,
3811 is->closure = closure;
3812 return (InputSourceRef) is;
3816 RemoveInputSource (InputSourceRef isr)
3818 InputSource *is = (InputSource *) isr;
3820 if (is->xid == 0) return;
3821 XtRemoveInput(is->xid);
3825 /**** Animation code by Hugh Fisher, DCS, ANU. ****/
3827 /* Masks for XPM pieces. Black and white pieces can have
3828 different shapes, but in the interest of retaining my
3829 sanity pieces must have the same outline on both light
3830 and dark squares, and all pieces must use the same
3831 background square colors/images. */
3833 static int xpmDone = 0;
3834 static Pixmap animBufs[3*NrOfAnims]; // newBuf, saveBuf
3835 static GC animGCs[3*NrOfAnims]; // blitGC, pieceGC, outlineGC;
3836 static cairo_surface_t *c_animBufs[3*NrOfAnims]; // newBuf, saveBuf
3839 CreateAnimMasks (int pieceDepth)
3845 unsigned long plane;
3848 /* Need a bitmap just to get a GC with right depth */
3849 buf = XCreatePixmap(xDisplay, xBoardWindow,
3851 values.foreground = 1;
3852 values.background = 0;
3853 /* Don't use XtGetGC, not read only */
3854 maskGC = XCreateGC(xDisplay, buf,
3855 GCForeground | GCBackground, &values);
3856 XFreePixmap(xDisplay, buf);
3858 buf = XCreatePixmap(xDisplay, xBoardWindow,
3859 squareSize, squareSize, pieceDepth);
3860 values.foreground = XBlackPixel(xDisplay, xScreen);
3861 values.background = XWhitePixel(xDisplay, xScreen);
3862 bufGC = XCreateGC(xDisplay, buf,
3863 GCForeground | GCBackground, &values);
3865 for (piece = WhitePawn; piece <= BlackKing; piece++) {
3866 /* Begin with empty mask */
3867 if(!xpmDone) // [HGM] pieces: keep using existing
3868 xpmMask[piece] = XCreatePixmap(xDisplay, xBoardWindow,
3869 squareSize, squareSize, 1);
3870 XSetFunction(xDisplay, maskGC, GXclear);
3871 XFillRectangle(xDisplay, xpmMask[piece], maskGC,
3872 0, 0, squareSize, squareSize);
3874 /* Take a copy of the piece */
3879 XSetFunction(xDisplay, bufGC, GXcopy);
3880 XCopyArea(xDisplay, xpmPieceBitmap[kind][((int)piece) % (int)BlackPawn],
3882 0, 0, squareSize, squareSize, 0, 0);
3884 /* XOR the background (light) over the piece */
3885 XSetFunction(xDisplay, bufGC, GXxor);
3887 XCopyArea(xDisplay, xpmLightSquare, buf, bufGC,
3888 0, 0, squareSize, squareSize, 0, 0);
3890 XSetForeground(xDisplay, bufGC, lightSquareColor);
3891 XFillRectangle(xDisplay, buf, bufGC, 0, 0, squareSize, squareSize);
3894 /* We now have an inverted piece image with the background
3895 erased. Construct mask by just selecting all the non-zero
3896 pixels - no need to reconstruct the original image. */
3897 XSetFunction(xDisplay, maskGC, GXor);
3899 /* Might be quicker to download an XImage and create bitmap
3900 data from it rather than this N copies per piece, but it
3901 only takes a fraction of a second and there is a much
3902 longer delay for loading the pieces. */
3903 for (n = 0; n < pieceDepth; n ++) {
3904 XCopyPlane(xDisplay, buf, xpmMask[piece], maskGC,
3905 0, 0, squareSize, squareSize,
3911 XFreePixmap(xDisplay, buf);
3912 XFreeGC(xDisplay, bufGC);
3913 XFreeGC(xDisplay, maskGC);
3917 InitAnimState (AnimNr anr, XWindowAttributes *info)
3923 DrawSeekOpen(); // set cs to board widget
3924 if(c_animBufs[anr]) cairo_surface_destroy (c_animBufs[anr]);
3925 if(c_animBufs[anr+2]) cairo_surface_destroy (c_animBufs[anr+2]);
3926 c_animBufs[anr+4] = csBoardWindow;
3927 c_animBufs[anr+2] = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize);
3928 c_animBufs[anr] = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, squareSize, squareSize);
3931 /* Each buffer is square size, same depth as window */
3932 animBufs[anr+4] = xBoardWindow;
3933 animBufs[anr+2] = XCreatePixmap(xDisplay, xBoardWindow,
3934 squareSize, squareSize, info->depth);
3935 animBufs[anr] = XCreatePixmap(xDisplay, xBoardWindow,
3936 squareSize, squareSize, info->depth);
3938 /* Create a plain GC for blitting */
3939 mask = GCForeground | GCBackground | GCFunction |
3940 GCPlaneMask | GCGraphicsExposures;
3941 values.foreground = XBlackPixel(xDisplay, xScreen);
3942 values.background = XWhitePixel(xDisplay, xScreen);
3943 values.function = GXcopy;
3944 values.plane_mask = AllPlanes;
3945 values.graphics_exposures = False;
3946 animGCs[anr] = XCreateGC(xDisplay, xBoardWindow, mask, &values);
3948 /* Piece will be copied from an existing context at
3949 the start of each new animation/drag. */
3950 animGCs[anr+2] = XCreateGC(xDisplay, xBoardWindow, 0, &values);
3952 /* Outline will be a read-only copy of an existing */
3953 animGCs[anr+4] = None;
3959 XWindowAttributes info;
3961 if (!cairoAnimate && xpmDone && gameInfo.variant == oldVariant) return;
3962 if(xpmDone) oldVariant = gameInfo.variant; // first time pieces might not be created yet
3963 XGetWindowAttributes(xDisplay, xBoardWindow, &info);
3965 InitAnimState(Game, &info);
3966 InitAnimState(Player, &info);
3968 /* For XPM pieces, we need bitmaps to use as masks. */
3969 if (useImages & !xpmDone)
3970 CreateAnimMasks(info.depth), xpmDone = 1;
3975 static Boolean frameWaiting;
3978 FrameAlarm (int sig)
3980 frameWaiting = False;
3981 /* In case System-V style signals. Needed?? */
3982 signal(SIGALRM, FrameAlarm);
3986 FrameDelay (int time)
3988 struct itimerval delay;
3990 XSync(xDisplay, False);
3993 frameWaiting = True;
3994 signal(SIGALRM, FrameAlarm);
3995 delay.it_interval.tv_sec =
3996 delay.it_value.tv_sec = time / 1000;
3997 delay.it_interval.tv_usec =
3998 delay.it_value.tv_usec = (time % 1000) * 1000;
3999 setitimer(ITIMER_REAL, &delay, NULL);
4000 while (frameWaiting) pause();
4001 delay.it_interval.tv_sec = delay.it_value.tv_sec = 0;
4002 delay.it_interval.tv_usec = delay.it_value.tv_usec = 0;
4003 setitimer(ITIMER_REAL, &delay, NULL);
4010 FrameDelay (int time)
4012 XSync(xDisplay, False);
4014 usleep(time * 1000);
4020 SelectGCMask (ChessSquare piece, GC *clip, GC *outline, Pixmap *mask)
4024 /* Bitmap for piece being moved. */
4025 if (appData.monoMode) {
4026 *mask = *pieceToSolid(piece);
4027 } else if (useImages) {
4029 *mask = xpmMask[piece];
4031 *mask = ximMaskPm[piece];
4034 *mask = *pieceToSolid(piece);
4037 /* GC for piece being moved. Square color doesn't matter, but
4038 since it gets modified we make a copy of the original. */
4040 if (appData.monoMode)
4045 if (appData.monoMode)
4050 XCopyGC(xDisplay, source, 0xFFFFFFFF, *clip);
4052 /* Outline only used in mono mode and is not modified */
4054 *outline = bwPieceGC;
4056 *outline = wbPieceGC;
4060 OverlayPiece (ChessSquare piece, GC clip, GC outline, Drawable dest)
4065 /* Draw solid rectangle which will be clipped to shape of piece */
4066 XFillRectangle(xDisplay, dest, clip,
4067 0, 0, squareSize, squareSize);
4068 if (appData.monoMode)
4069 /* Also draw outline in contrasting color for black
4070 on black / white on white cases */
4071 XCopyPlane(xDisplay, *pieceToOutline(piece), dest, outline,
4072 0, 0, squareSize, squareSize, 0, 0, 1);
4074 /* Copy the piece */
4079 if(appData.upsideDown && flipView) kind ^= 2;
4080 XCopyArea(xDisplay, xpmPieceBitmap[kind][piece],
4082 0, 0, squareSize, squareSize,
4088 CairoOverlayPiece (ChessSquare piece, cairo_surface_t *dest)
4090 static ChessSquare oldPiece = -1;
4092 static cairo_t *pieceSource;
4093 if(piece != oldPiece || squareSize != oldSize) { // try make it faster by only changing cr if we need other piece
4094 if(pieceSource) cairo_destroy (pieceSource);
4095 pieceSource = cairo_create (dest);
4096 cairo_set_source_surface (pieceSource, pngPieceBitmaps[!White(piece)][piece % BlackPawn], 0, 0);
4097 oldPiece = piece; oldSize = squareSize;
4099 cairo_paint(pieceSource);
4103 InsertPiece (AnimNr anr, ChessSquare piece)
4106 CairoOverlayPiece(piece, c_animBufs[anr]);
4108 OverlayPiece(piece, animGCs[anr+2], animGCs[anr+4], animBufs[anr]);
4112 DrawBlank (AnimNr anr, int x, int y, int startColor)
4115 BlankSquare(x, y, startColor, EmptySquare, (Drawable) c_animBufs[anr+2], 0);
4117 BlankSquare(x, y, startColor, EmptySquare, animBufs[anr+2], 0);
4120 void CopyRectangle (AnimNr anr, int srcBuf, int destBuf,
4121 int srcX, int srcY, int width, int height, int destX, int destY)
4124 cairo_t *cr;// = cairo_create (c_animBufs[anr+destBuf]);
4125 cr = cairo_create (c_animBufs[anr+destBuf]);
4126 if(c_animBufs[anr+srcBuf] == csBoardWindow)
4127 cairo_set_source_surface (cr, csBoardBackup, destX - srcX, destY - srcY);
4129 cairo_set_source_surface (cr, c_animBufs[anr+srcBuf], destX - srcX, destY - srcY);
4130 cairo_rectangle (cr, destX, destY, width, height);
4133 if(c_animBufs[anr+destBuf] == csBoardWindow) {
4134 cr = cairo_create (csBoardBackup); // also draw to backup
4135 cairo_set_source_surface (cr, c_animBufs[anr+srcBuf], destX - srcX, destY - srcY);
4136 cairo_rectangle (cr, destX, destY, width, height);
4141 XCopyArea(xDisplay, animBufs[anr+srcBuf], animBufs[anr+destBuf], animGCs[anr],
4142 srcX, srcY, width, height, destX, destY);
4146 SetDragPiece (AnimNr anr, ChessSquare piece)
4149 if(cairoAnimate) return;
4150 /* The piece will be drawn using its own bitmap as a matte */
4151 SelectGCMask(piece, &animGCs[anr+2], &animGCs[anr+4], &mask);
4152 XSetClipMask(xDisplay, animGCs[anr+2], mask);
4155 /* [AS] Arrow highlighting support */
4157 void DrawPolygon(Pnt arrow[], int nr)
4158 { // for now on own surface; eventually this should become a global that is only destroyed on resize
4159 cairo_surface_t *boardSurface;
4162 int w = lineGap + BOARD_WIDTH * (squareSize + lineGap);
4163 int h = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
4164 boardSurface = cairo_xlib_surface_create(xDisplay, xBoardWindow, DefaultVisual(xDisplay, 0), w, h);
4165 cr = cairo_create (boardSurface);
4166 cairo_move_to (cr, arrow[nr-1].x, arrow[nr-1].y);
4167 for (i=0;i<nr;i++) {
4168 cairo_line_to(cr, arrow[i].x, arrow[i].y);
4170 if(appData.monoMode) { // should we always outline arrow?
4171 cairo_line_to(cr, arrow[0].x, arrow[0].y);
4172 SetPen(cr, 2, "#000000", 0);
4173 cairo_stroke_preserve(cr);
4175 SetPen(cr, 2, appData.highlightSquareColor, 0);
4180 cairo_surface_destroy (boardSurface);
4184 LoadLogo (ChessProgramState *cps, int n, Boolean ics)
4186 char buf[MSG_SIZ], *logoName = buf;
4187 if(appData.logo[n][0]) {
4188 logoName = appData.logo[n];
4189 } else if(appData.autoLogo) {
4190 if(ics) { // [HGM] logo: in ICS mode second can be used for ICS
4191 sprintf(buf, "%s/%s.png", appData.logoDir, appData.icsHost);
4192 } else if(appData.directory[n] && appData.directory[n][0]) {
4193 sprintf(buf, "%s/%s.png", appData.logoDir, cps->tidy);
4197 { ASSIGN(cps->programLogo, logoName); }
4201 UpdateLogos (int displ)
4203 if(optList[W_WHITE-1].handle == NULL) return;
4204 LoadLogo(&first, 0, 0);
4205 LoadLogo(&second, 1, appData.icsActive);
4206 if(displ) DisplayLogos(optList[W_WHITE-1].handle, optList[W_BLACK+1].handle);