#include "xhistory.h"
#include "xedittags.h"
#include "menus.h"
+#include "board.h"
+#include "dialogs.h"
#include "gettext.h"
#endif
int main P((int argc, char **argv));
-FILE * XsraSelFile P((Widget w, char *prompt, char *ok, char *cancel, char *failed,
- char *init_path, char *filter, char *mode, int (*show_entry)(), char **name_return));
RETSIGTYPE CmailSigHandler P((int sig));
RETSIGTYPE IntSigHandler P((int sig));
RETSIGTYPE TermSizeSigHandler P((int sig));
-void CreateGCs P((int redo));
-void CreateAnyPieces P((void));
+static void CreateGCs P((int redo));
+static void CreateAnyPieces P((void));
void CreateXIMPieces P((void));
void CreateXPMPieces P((void));
void CreateXPMBoard P((char *s, int n));
void ReadBitmap P((Pixmap *pm, String name, unsigned char bits[],
u_int wreq, u_int hreq));
void CreateGrid P((void));
-int EventToSquare P((int x, int limit));
-void DrawSquare P((int row, int column, ChessSquare piece, int do_flash));
void EventProc P((Widget widget, caddr_t unused, XEvent *event));
void DelayedDrag P((void));
-void MoveTypeInProc P((Widget widget, caddr_t unused, XEvent *event));
+static void MoveTypeInProc P((Widget widget, caddr_t unused, XEvent *event));
void HandleUserMove P((Widget w, XEvent *event,
String *prms, Cardinal *nprms));
void AnimateUserMove P((Widget w, XEvent * event,
String *prms, Cardinal *nprms));
void DrawPositionProc P((Widget w, XEvent *event,
String *prms, Cardinal *nprms));
-void XDrawPosition P((Widget w, /*Boolean*/int repaint,
- Board board));
void CommentClick P((Widget w, XEvent * event,
String * params, Cardinal * nParams));
-void CommentPopUp P((char *title, char *label));
-void CommentPopDown P((void));
void ICSInputBoxPopUp P((void));
void ICSInputBoxPopDown P((void));
void FileNamePopUp P((char *label, char *def, char *filter,
FileProc proc, char *openMode));
-void FileNamePopDown P((void));
-void FileNameCallback P((Widget w, XtPointer client_data,
- XtPointer call_data));
-void FileNameAction P((Widget w, XEvent *event,
- String *prms, Cardinal *nprms));
void AskQuestionReplyAction P((Widget w, XEvent *event,
String *prms, Cardinal *nprms));
-void AskQuestionProc P((Widget w, XEvent *event,
- String *prms, Cardinal *nprms));
void AskQuestionPopDown P((void));
void PromotionPopDown P((void));
void PromotionCallback P((Widget w, XtPointer client_data,
void SelectCommand P((Widget w, XtPointer client_data, XtPointer call_data));
void KeyBindingProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
void QuitWrapper P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
-void TypeInProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
-void EnterKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
-void UpKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
-void DownKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
+static void EnterKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
+static void UpKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
+static void DownKeyProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
void TempBackwardProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
void TempForwardProc P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
Boolean TempBackwardActive = False;
void ManInner P((Widget w, XEvent *event, String *prms, Cardinal *nprms));
void DisplayMove P((int moveNumber));
-void DisplayTitle P((char *title));
void ICSInitScript P((void));
-void ErrorPopUp P((char *title, char *text, int modal));
-void ErrorPopDown P((void));
static char *ExpandPathName P((char *path));
-static void DragPieceMove P((int x, int y));
-static void DrawDragPiece P((void));
void SelectMove P((Widget w, XEvent * event, String * params, Cardinal * nParams));
-void GameListOptionsPopDown P(());
-void GenericPopDown P(());
void update_ics_width P(());
int get_term_width P(());
int CopyMemoProc P(());
-void DrawArrowHighlight P((int fromX, int fromY, int toX,int toY));
-Boolean IsDrawArrowEnabled P(());
/*
* XBoard depends on Xt R4 or higher
Display *xDisplay;
Window xBoardWindow;
Pixel lightSquareColor, darkSquareColor, whitePieceColor, blackPieceColor,
- jailSquareColor, highlightSquareColor, premoveHighlightColor;
+ highlightSquareColor, premoveHighlightColor;
Pixel lowTimeWarningColor;
-GC lightSquareGC, darkSquareGC, jailSquareGC, lineGC, wdPieceGC, wlPieceGC,
+GC lightSquareGC, darkSquareGC, lineGC, wdPieceGC, wlPieceGC,
bdPieceGC, blPieceGC, wbPieceGC, bwPieceGC, coordGC, highlineGC,
- wjPieceGC, bjPieceGC, prelineGC, countGC;
+ prelineGC, countGC;
Pixmap iconPixmap, wIconPixmap, bIconPixmap, xMarkPixmap;
Widget shellWidget, layoutWidget, formWidget, boardWidget, messageWidget,
whiteTimerWidget, blackTimerWidget, titleWidget, widgetList[16],
menuBarWidget, buttonBarWidget, editShell, errorShell, analysisShell,
ICSInputShell, fileNameShell, askQuestionShell;
Widget historyShell, evalGraphShell, gameListShell;
-int hOffset; // [HGM] dual
XSegment secondSegments[BOARD_RANKS + BOARD_FILES + 2];
XSegment gridSegments[BOARD_RANKS + BOARD_FILES + 2];
-XSegment jailGridSegments[BOARD_RANKS + BOARD_FILES + 6];
#if ENABLE_NLS
XFontSet fontSet, clockFontSet;
#else
Boolean chessProgram;
int minX, minY; // [HGM] placement: volatile limits on upper-left corner
-int squareSize, smallLayout = 0, tinyLayout = 0,
+int smallLayout = 0, tinyLayout = 0,
marginW, marginH, // [HGM] for run-time resizing
fromX = -1, fromY = -1, toX, toY, commentUp = False, analysisUp = False,
ICSInputBoxUp = False, askQuestionUp = False,
filenameUp = False, promotionUp = False, pmFromX = -1, pmFromY = -1,
- errorUp = False, errorExitStatus = -1, lineGap, defaultLineGap;
+ errorUp = False, errorExitStatus = -1, defaultLineGap;
Dimension textHeight;
Pixel timerForegroundPixel, timerBackgroundPixel;
Pixel buttonForegroundPixel, buttonBackgroundPixel;
WindowPlacement wpGameList;
WindowPlacement wpTags;
-extern Widget shells[];
-extern Boolean shellUp[];
#define SOLID 0
#define OUTLINE 1
#define White(piece) ((int)(piece) < (int)BlackPawn)
-/* Variables for doing smooth animation. This whole thing
- would be much easier if the board was double-buffered,
- but that would require a fairly major rewrite. */
-
-typedef struct {
- Pixmap saveBuf;
- Pixmap newBuf;
- GC blitGC, pieceGC, outlineGC;
- XPoint startSquare, prevFrame, mouseDelta;
- int startColor;
- int dragPiece;
- Boolean dragActive;
- int startBoardX, startBoardY;
- } AnimState;
-
-/* There can be two pieces being animated at once: a player
- can begin dragging a piece before the remote opponent has moved. */
-
-static AnimState game, player;
-
/* Bitmaps for use as masks when drawing XPM pieces.
Need one for each black and white piece. */
static Pixmap xpmMask[BlackKing + 1];
{ "HandlePV", HandlePV },
{ "SelectPV", SelectPV },
{ "StopPV", StopPV },
- { "FileNameAction", FileNameAction },
- { "AskQuestionProc", AskQuestionProc },
{ "AskQuestionReplyAction", AskQuestionReplyAction },
{ "PieceMenuPopup", PieceMenuPopup },
{ "WhiteClock", WhiteClock },
{ "TempBackwardProc", TempBackwardProc },
{ "TempForwardProc", TempForwardProc },
{ "CommentClick", (XtActionProc) CommentClick },
- { "CommentPopDown", (XtActionProc) CommentPopDown },
- { "TagsPopDown", (XtActionProc) TagsPopDown },
{ "ErrorPopDown", (XtActionProc) ErrorPopDown },
{ "ICSInputBoxPopDown", (XtActionProc) ICSInputBoxPopDown },
- { "FileNamePopDown", (XtActionProc) FileNamePopDown },
{ "AskQuestionPopDown", (XtActionProc) AskQuestionPopDown },
{ "GameListPopDown", (XtActionProc) GameListPopDown },
{ "GameListOptionsPopDown", (XtActionProc) GameListOptionsPopDown },
char commentTranslations[] = "<Btn3Down>: extend-end() select-start() CommentClick() \n";
String xboardResources[] = {
- "*fileName*value.translations: #override\\n <Key>Return: FileNameAction()",
"*question*value.translations: #override\\n <Key>Return: AskQuestionReplyAction()",
"*errorpopup*translations: #override\\n <Key>Return: ErrorPopDown()",
NULL
// In XBoard this will have to wait until awareness of window parameters is implemented
GetActualPlacement(shellWidget, &wpMain);
if(EngineOutputIsUp()) GetActualPlacement(engineOutputShell, &wpEngineOutput);
- if(MoveHistoryIsUp()) GetActualPlacement(shells[7], &wpMoveHistory);
+ if(MoveHistoryIsUp()) GetActualPlacement(shells[HistoryDlg], &wpMoveHistory);
if(EvalGraphIsUp()) GetActualPlacement(evalGraphShell, &wpEvalGraph);
if(GameListIsUp()) GetActualPlacement(gameListShell, &wpGameList);
- if(shellUp[1]) GetActualPlacement(shells[1], &wpComment);
- if(shellUp[2]) GetActualPlacement(shells[2], &wpTags);
+ if(shellUp[CommentDlg]) GetActualPlacement(shells[CommentDlg], &wpComment);
+ if(shellUp[TagsDlg]) GetActualPlacement(shells[TagsDlg], &wpTags);
}
void
//--------------------------------------------------------------------------------------------
-extern Boolean twoBoards, partnerUp;
-
#ifdef IDSIZES
// eventually, all layout determining code should go into a subroutine, but until then IDSIZE remains undefined
#else
}
}
-int
+static int
MakeOneColor (char *name, Pixel *color)
{
XrmValue vFrom, vTo;
return False;
}
-int
+static int
MakeColors ()
{ // [HGM] taken out of main(), so it can be called from BoardOptions dialog
int forceMono = False;
return forceMono;
}
-void
+static void
CreateAnyPieces ()
{ // [HGM] taken out of main
#if HAVE_LIBXPM
#endif
}
+void
+InitDrawingParams ()
+{
+ MakeColors(); CreateGCs(True);
+ CreateAnyPieces();
+}
+
int
main (int argc, char **argv)
{
/* [HR] height treated separately (hacked) */
boardWidth = lineGap + BOARD_WIDTH * (squareSize + lineGap);
boardHeight = lineGap + BOARD_HEIGHT * (squareSize + lineGap);
- if (appData.showJail == 1) {
- /* Jail on top and bottom */
XtSetArg(boardArgs[1], XtNwidth, boardWidth);
- XtSetArg(boardArgs[2], XtNheight,
- boardHeight + 2*(lineGap + squareSize));
- } else if (appData.showJail == 2) {
- /* Jail on sides */
- XtSetArg(boardArgs[1], XtNwidth,
- boardWidth + 2*(lineGap + squareSize));
XtSetArg(boardArgs[2], XtNheight, boardHeight);
- } else {
- /* No jail */
- XtSetArg(boardArgs[1], XtNwidth, boardWidth);
- XtSetArg(boardArgs[2], XtNheight, boardHeight);
- }
/*
* Determine what fonts to use.
return;
}
-// [HGM] code borrowed from winboard.c (which should thus go to backend.c!)
-#define HISTORY_SIZE 64
-static char *history[HISTORY_SIZE];
-int histIn = 0, histP = 0;
-
-void
-SaveInHistory (char *cmd)
-{
- if (history[histIn] != NULL) {
- free(history[histIn]);
- history[histIn] = NULL;
- }
- if (*cmd == NULLCHAR) return;
- history[histIn] = StrSave(cmd);
- histIn = (histIn + 1) % HISTORY_SIZE;
- if (history[histIn] != NULL) {
- free(history[histIn]);
- history[histIn] = NULL;
- }
- histP = histIn;
-}
-
-char *
-PrevInHistory (char *cmd)
-{
- int newhp;
- if (histP == histIn) {
- if (history[histIn] != NULL) free(history[histIn]);
- history[histIn] = StrSave(cmd);
- }
- newhp = (histP - 1 + HISTORY_SIZE) % HISTORY_SIZE;
- if (newhp == histIn || history[newhp] == NULL) return NULL;
- histP = newhp;
- return history[histP];
-}
-
-char *
-NextInHistory ()
-{
- if (histP == histIn) return NULL;
- histP = (histP + 1) % HISTORY_SIZE;
- return history[histP];
-}
-// end of borrowed code
-
#define Abs(n) ((n)<0 ? -(n) : (n))
#ifdef ENABLE_NLS
}
} else {
XtReleaseGC(shellWidget, prelineGC);
- XtReleaseGC(shellWidget, jailSquareGC);
XtReleaseGC(shellWidget, wdPieceGC);
XtReleaseGC(shellWidget, wlPieceGC);
- XtReleaseGC(shellWidget, wjPieceGC);
XtReleaseGC(shellWidget, bdPieceGC);
XtReleaseGC(shellWidget, blPieceGC);
- XtReleaseGC(shellWidget, bjPieceGC);
}
}
return XtGetGC(shellWidget, value_mask, gc_values);
}
-void
+static void
CreateGCs (int redo)
{
XtGCMask value_mask = GCLineWidth | GCLineStyle | GCForeground
prelineGC = CreateOneGC(&gc_values, premoveHighlightColor, premoveHighlightColor);
lightSquareGC = CreateOneGC(&gc_values, lightSquareColor, darkSquareColor);
darkSquareGC = CreateOneGC(&gc_values, darkSquareColor, lightSquareColor);
- jailSquareGC = CreateOneGC(&gc_values, jailSquareColor, jailSquareColor);
wdPieceGC = CreateOneGC(&gc_values, whitePieceColor, darkSquareColor);
wlPieceGC = CreateOneGC(&gc_values, whitePieceColor, lightSquareColor);
- wjPieceGC = CreateOneGC(&gc_values, whitePieceColor, jailSquareColor);
bdPieceGC = CreateOneGC(&gc_values, blackPieceColor, darkSquareColor);
blPieceGC = CreateOneGC(&gc_values, blackPieceColor, lightSquareColor);
- bjPieceGC = CreateOneGC(&gc_values, blackPieceColor, jailSquareColor);
}
}
}
-/*
- * If the user selects on a border boundary, return -1; if off the board,
- * return -2. Otherwise map the event coordinate to the square.
- */
-int
-EventToSquare (int x, int limit)
-{
- if (x <= 0)
- return -2;
- if (x < lineGap)
- return -1;
- x -= lineGap;
- if ((x % (squareSize + lineGap)) >= squareSize)
- return -1;
- x /= (squareSize + lineGap);
- if (x >= limit)
- return -2;
- return x;
-}
-
static void
do_flash_delay (unsigned long msec)
{
TimeDelay(msec);
}
-static void
-drawHighlight (int file, int rank, GC gc)
+void
+DrawBorder (int x, int y, int type)
{
- int x, y;
+ GC gc = lineGC;
- if (lineGap == 0) return;
-
- if (flipView) {
- x = lineGap/2 + ((BOARD_WIDTH-1)-file) *
- (squareSize + lineGap);
- y = lineGap/2 + rank * (squareSize + lineGap);
- } else {
- x = lineGap/2 + file * (squareSize + lineGap);
- y = lineGap/2 + ((BOARD_HEIGHT-1)-rank) *
- (squareSize + lineGap);
- }
+ if(type == 1) gc = highlineGC; else if(type == 2) gc = prelineGC;
XDrawRectangle(xDisplay, xBoardWindow, gc, x, y,
squareSize+lineGap, squareSize+lineGap);
}
-int hi1X = -1, hi1Y = -1, hi2X = -1, hi2Y = -1;
-int pm1X = -1, pm1Y = -1, pm2X = -1, pm2Y = -1;
-
-void
-SetHighlights (int fromX, int fromY, int toX, int toY)
-{
- if (hi1X != fromX || hi1Y != fromY) {
- if (hi1X >= 0 && hi1Y >= 0) {
- drawHighlight(hi1X, hi1Y, lineGC);
- }
- } // [HGM] first erase both, then draw new!
-
- if (hi2X != toX || hi2Y != toY) {
- if (hi2X >= 0 && hi2Y >= 0) {
- drawHighlight(hi2X, hi2Y, lineGC);
- }
- }
- if (hi1X != fromX || hi1Y != fromY) {
- if (fromX >= 0 && fromY >= 0) {
- drawHighlight(fromX, fromY, highlineGC);
- }
- }
- if (hi2X != toX || hi2Y != toY) {
- if (toX >= 0 && toY >= 0) {
- drawHighlight(toX, toY, highlineGC);
- }
- }
-
- if(toX<0) // clearing the highlights must have damaged arrow
- DrawArrowHighlight(hi1X, hi1Y, hi2X, hi2Y); // for now, redraw it (should really be cleared!)
-
- hi1X = fromX;
- hi1Y = fromY;
- hi2X = toX;
- hi2Y = toY;
-}
-
-void
-ClearHighlights ()
-{
- SetHighlights(-1, -1, -1, -1);
-}
-
-
-void
-SetPremoveHighlights (int fromX, int fromY, int toX, int toY)
-{
- if (pm1X != fromX || pm1Y != fromY) {
- if (pm1X >= 0 && pm1Y >= 0) {
- drawHighlight(pm1X, pm1Y, lineGC);
- }
- if (fromX >= 0 && fromY >= 0) {
- drawHighlight(fromX, fromY, prelineGC);
- }
- }
- if (pm2X != toX || pm2Y != toY) {
- if (pm2X >= 0 && pm2Y >= 0) {
- drawHighlight(pm2X, pm2Y, lineGC);
- }
- if (toX >= 0 && toY >= 0) {
- drawHighlight(toX, toY, prelineGC);
- }
- }
- pm1X = fromX;
- pm1Y = fromY;
- pm2X = toX;
- pm2Y = toY;
-}
-
-void
-ClearPremoveHighlights ()
-{
- SetPremoveHighlights(-1, -1, -1, -1);
-}
-
static int
CutOutSquare (int x, int y, int *x0, int *y0, int kind)
{
break;
case 2: /* neutral */
default:
- pm = xpmJailSquare;
+ pm = xpmJailSquare; // [HGM] this is wrong, but apparently never used?
break;
}
XCopyArea(xDisplay, pm, dest, wlPieceGC, 0, 0,
break;
case 2: /* neutral */
default:
- gc = jailSquareGC;
+ gc = lineGC;
break;
}
XFillRectangle(xDisplay, dest, gc, x*fac, y*fac, squareSize, squareSize);
break;
case 2: /* neutral */
default:
- XCopyPlane(xDisplay, *pieceToSolid(piece),
- dest, (int) piece < (int) BlackPawn
- ? wjPieceGC : bjPieceGC, 0, 0,
- squareSize, squareSize, x, y, 1);
- break;
+ break; // should never contain pieces
}
}
}
}
-/* [HR] determine square color depending on chess variant. */
-static int
-SquareColor (int row, int column)
-{
- int square_color;
-
- if (gameInfo.variant == VariantXiangqi) {
- if (column >= 3 && column <= 5 && row >= 0 && row <= 2) {
- square_color = 1;
- } else if (column >= 3 && column <= 5 && row >= 7 && row <= 9) {
- square_color = 0;
- } else if (row <= 4) {
- square_color = 0;
- } else {
- square_color = 1;
- }
- } else {
- square_color = ((column + row) % 2) == 1;
- }
-
- /* [hgm] holdings: next line makes all holdings squares light */
- if(column < BOARD_LEFT || column >= BOARD_RGHT) square_color = 1;
-
- return square_color;
+void
+DrawDot (int marker, int x, int y, int r)
+{
+ if(appData.monoMode) {
+ XFillArc(xDisplay, xBoardWindow, marker == 2 ? darkSquareGC : lightSquareGC,
+ x, y, r, r, 0, 64*360);
+ XDrawArc(xDisplay, xBoardWindow, marker == 2 ? lightSquareGC : darkSquareGC,
+ x, y, r, r, 0, 64*360);
+ } else
+ XFillArc(xDisplay, xBoardWindow, marker == 2 ? prelineGC : highlineGC,
+ x, y, r, r, 0, 64*360);
}
void
-DrawSquare (int row, int column, ChessSquare piece, int do_flash)
-{
- int square_color, x, y, direction, font_ascent, font_descent;
- int i;
- char string[2];
+DrawOneSquare (int x, int y, ChessSquare piece, int square_color, int marker, char *string, int align)
+{ // basic front-end board-draw function: takes care of everything that can be in square:
+ // piece, background, coordinate/count, marker dot
+ int direction, font_ascent, font_descent;
XCharStruct overall;
DrawFunc drawfunc;
- int flash_delay;
-
- /* Calculate delay in milliseconds (2-delays per complete flash) */
- flash_delay = 500 / appData.flashRate;
- if (flipView) {
- x = lineGap + ((BOARD_WIDTH-1)-column) *
- (squareSize + lineGap);
- y = lineGap + row * (squareSize + lineGap);
+ if (piece == EmptySquare) {
+ BlankSquare(x, y, square_color, piece, xBoardWindow, 1);
} else {
- x = lineGap + column * (squareSize + lineGap);
- y = lineGap + ((BOARD_HEIGHT-1)-row) *
- (squareSize + lineGap);
- }
-
- if(twoBoards && partnerUp) x += hOffset; // [HGM] dual: draw second board
-
- square_color = SquareColor(row, column);
-
- if ( // [HGM] holdings: blank out area between board and holdings
- column == BOARD_LEFT-1 || column == BOARD_RGHT
- || (column == BOARD_LEFT-2 && row < BOARD_HEIGHT-gameInfo.holdingsSize)
- || (column == BOARD_RGHT+1 && row >= gameInfo.holdingsSize) ) {
- BlankSquare(x, y, 2, EmptySquare, xBoardWindow, 1);
-
- // [HGM] print piece counts next to holdings
- string[1] = NULLCHAR;
- if (column == (flipView ? BOARD_LEFT-1 : BOARD_RGHT) && piece > 1 ) {
- string[0] = '0' + piece;
- XTextExtents(countFontStruct, string, 1, &direction,
- &font_ascent, &font_descent, &overall);
- if (appData.monoMode) {
- XDrawImageString(xDisplay, xBoardWindow, countGC,
- x + squareSize - overall.width - 2,
- y + font_ascent + 1, string, 1);
- } else {
- XDrawString(xDisplay, xBoardWindow, countGC,
- x + squareSize - overall.width - 2,
- y + font_ascent + 1, string, 1);
- }
- }
- if (column == (flipView ? BOARD_RGHT : BOARD_LEFT-1) && piece > 1) {
- string[0] = '0' + piece;
- XTextExtents(countFontStruct, string, 1, &direction,
- &font_ascent, &font_descent, &overall);
- if (appData.monoMode) {
- XDrawImageString(xDisplay, xBoardWindow, countGC,
- x + 2, y + font_ascent + 1, string, 1);
- } else {
- XDrawString(xDisplay, xBoardWindow, countGC,
- x + 2, y + font_ascent + 1, string, 1);
- }
- }
- } else {
- if (piece == EmptySquare || appData.blindfold) {
- BlankSquare(x, y, square_color, piece, xBoardWindow, 1);
- } else {
- drawfunc = ChooseDrawFunc();
-
- if (do_flash && appData.flashCount > 0) {
- for (i=0; i<appData.flashCount; ++i) {
- drawfunc(piece, square_color, x, y, xBoardWindow);
- XSync(xDisplay, False);
- do_flash_delay(flash_delay);
-
- BlankSquare(x, y, square_color, piece, xBoardWindow, 1);
- XSync(xDisplay, False);
- do_flash_delay(flash_delay);
- }
- }
- drawfunc(piece, square_color, x, y, xBoardWindow);
- }
+ drawfunc = ChooseDrawFunc();
+ drawfunc(piece, square_color, x, y, xBoardWindow);
+ }
+
+ if(align) { // square carries inscription (coord or piece count)
+ int xx = x, yy = y;
+ GC hGC = align < 3 ? coordGC : countGC;
+ // first calculate where it goes
+ XTextExtents(countFontStruct, string, 1, &direction,
+ &font_ascent, &font_descent, &overall);
+ if (align == 1) {
+ xx += squareSize - overall.width - 2;
+ yy += squareSize - font_descent - 1;
+ } else if (align == 2) {
+ xx += 2, yy += font_ascent + 1;
+ } else if (align == 3) {
+ xx += squareSize - overall.width - 2;
+ yy += font_ascent + 1;
+ } else if (align == 4) {
+ xx += 2, yy += font_ascent + 1;
}
-
- string[1] = NULLCHAR;
- if (appData.showCoords && row == (flipView ? BOARD_HEIGHT-1 : 0)
- && column >= BOARD_LEFT && column < BOARD_RGHT) {
- string[0] = 'a' + column - BOARD_LEFT;
- XTextExtents(coordFontStruct, string, 1, &direction,
- &font_ascent, &font_descent, &overall);
+ // then draw it
if (appData.monoMode) {
- XDrawImageString(xDisplay, xBoardWindow, coordGC,
- x + squareSize - overall.width - 2,
- y + squareSize - font_descent - 1, string, 1);
+ XDrawImageString(xDisplay, xBoardWindow, hGC, xx, yy, string, 1);
} else {
- XDrawString(xDisplay, xBoardWindow, coordGC,
- x + squareSize - overall.width - 2,
- y + squareSize - font_descent - 1, string, 1);
+ XDrawString(xDisplay, xBoardWindow, hGC, xx, yy, string, 1);
}
}
- if (appData.showCoords && column == (flipView ? BOARD_RGHT-1 : BOARD_LEFT)) {
- string[0] = ONE + row;
- XTextExtents(coordFontStruct, string, 1, &direction,
- &font_ascent, &font_descent, &overall);
- if (appData.monoMode) {
- XDrawImageString(xDisplay, xBoardWindow, coordGC,
- x + 2, y + font_ascent + 1, string, 1);
- } else {
- XDrawString(xDisplay, xBoardWindow, coordGC,
- x + 2, y + font_ascent + 1, string, 1);
- }
- }
- if(!partnerUp && marker[row][column]) {
- if(appData.monoMode) {
- XFillArc(xDisplay, xBoardWindow, marker[row][column] == 2 ? darkSquareGC : lightSquareGC,
- x + squareSize/4, y+squareSize/4, squareSize/2, squareSize/2, 0, 64*360);
- XDrawArc(xDisplay, xBoardWindow, marker[row][column] == 2 ? lightSquareGC : darkSquareGC,
- x + squareSize/4, y+squareSize/4, squareSize/2, squareSize/2, 0, 64*360);
- } else
- XFillArc(xDisplay, xBoardWindow, marker[row][column] == 2 ? prelineGC : highlineGC,
- x + squareSize/4, y+squareSize/4, squareSize/2, squareSize/2, 0, 64*360);
+
+ if(marker) { // print fat marker dot, if requested
+ DrawDot(marker, x + squareSize/4, y+squareSize/4, squareSize/2);
}
}
+void
+FlashDelay (int flash_delay)
+{
+ XSync(xDisplay, False);
+ if(flash_delay) do_flash_delay(flash_delay);
+}
+
double
Fraction (int x, int start, int stop)
{
wpNew.width == wpMain.width && wpNew.height == wpMain.height) // not sized
return; // false alarm
if(EngineOutputIsUp()) CoDrag(engineOutputShell, &wpEngineOutput);
- if(MoveHistoryIsUp()) CoDrag(shells[7], &wpMoveHistory);
+ if(MoveHistoryIsUp()) CoDrag(shells[HistoryDlg], &wpMoveHistory);
if(EvalGraphIsUp()) CoDrag(evalGraphShell, &wpEvalGraph);
if(GameListIsUp()) CoDrag(gameListShell, &wpGameList);
wpMain = wpNew;
- XDrawPosition(boardWidget, True, NULL);
+ DrawPosition(True, NULL);
delayedDragID = 0; // now drag executed, make sure next DelayedDrag will not cancel timer event (which could now be used by other)
}
break;
case Expose:
if (event->xexpose.count > 0) return; /* no clipping is done */
- XDrawPosition(widget, True, NULL);
+ DrawPosition(True, NULL);
if(twoBoards) { // [HGM] dual: draw other board in other orientation
flipView = !flipView; partnerUp = !partnerUp;
- XDrawPosition(widget, True, NULL);
+ DrawPosition(True, NULL);
flipView = !flipView; partnerUp = !partnerUp;
}
break;
}
/* end why */
-void
-DrawPosition (int fullRedraw, Board board)
-{
- XDrawPosition(boardWidget, fullRedraw, board);
-}
-
-/* Returns 1 if there are "too many" differences between b1 and b2
- (i.e. more than 1 move was made) */
-static int
-too_many_diffs (Board b1, Board b2)
-{
- int i, j;
- int c = 0;
-
- for (i=0; i<BOARD_HEIGHT; ++i) {
- for (j=0; j<BOARD_WIDTH; ++j) {
- if (b1[i][j] != b2[i][j]) {
- if (++c > 4) /* Castling causes 4 diffs */
- return 1;
- }
- }
- }
- return 0;
-}
-
-/* Matrix describing castling maneuvers */
-/* Row, ColRookFrom, ColKingFrom, ColRookTo, ColKingTo */
-static int castling_matrix[4][5] = {
- { 0, 0, 4, 3, 2 }, /* 0-0-0, white */
- { 0, 7, 4, 5, 6 }, /* 0-0, white */
- { 7, 0, 4, 3, 2 }, /* 0-0-0, black */
- { 7, 7, 4, 5, 6 } /* 0-0, black */
-};
-
-/* Checks whether castling occurred. If it did, *rrow and *rcol
- are set to the destination (row,col) of the rook that moved.
-
- Returns 1 if castling occurred, 0 if not.
-
- Note: Only handles a max of 1 castling move, so be sure
- to call too_many_diffs() first.
- */
-static int
-check_castle_draw (Board newb, Board oldb, int *rrow, int *rcol)
-{
- int i, *r, j;
- int match;
-
- /* For each type of castling... */
- for (i=0; i<4; ++i) {
- r = castling_matrix[i];
-
- /* Check the 4 squares involved in the castling move */
- match = 0;
- for (j=1; j<=4; ++j) {
- if (newb[r[0]][r[j]] == oldb[r[0]][r[j]]) {
- match = 1;
- break;
- }
- }
-
- if (!match) {
- /* All 4 changed, so it must be a castling move */
- *rrow = r[0];
- *rcol = r[3];
- return 1;
- }
- }
- return 0;
-}
-
// [HGM] seekgraph: some low-level drawing routines cloned from xevalgraph
void
DrawSeekAxis (int x, int y, int xTo, int yTo)
x-squareSize/8, y-squareSize/8, squareSize/4, squareSize/4, 0, 64*360);
}
-static int damage[2][BOARD_RANKS][BOARD_FILES];
-
-/*
- * event handler for redrawing the board
- */
void
-XDrawPosition (Widget w, int repaint, Board board)
+DrawGrid (int second)
{
- int i, j, do_flash;
- static int lastFlipView = 0;
- static int lastBoardValid[2] = {0, 0};
- static Board lastBoard[2];
- Arg args[16];
- int rrow, rcol;
- int nr = twoBoards*partnerUp;
-
- if(DrawSeekGraph()) return; // [HGM] seekgraph: suppress any drawing if seek graph up
-
- if (board == NULL) {
- if (!lastBoardValid[nr]) return;
- board = lastBoard[nr];
- }
- if (!lastBoardValid[nr] || (nr == 0 && lastFlipView != flipView)) {
- MarkMenuItem("Flip View", flipView);
- }
-
- /*
- * It would be simpler to clear the window with XClearWindow()
- * but this causes a very distracting flicker.
- */
-
- if (!repaint && lastBoardValid[nr] && (nr == 1 || lastFlipView == flipView)) {
-
- if ( lineGap && IsDrawArrowEnabled())
- XDrawSegments(xDisplay, xBoardWindow, lineGC,
- gridSegments, BOARD_HEIGHT + BOARD_WIDTH + 2);
-
- /* If too much changes (begin observing new game, etc.), don't
- do flashing */
- do_flash = too_many_diffs(board, lastBoard[nr]) ? 0 : 1;
-
- /* Special check for castling so we don't flash both the king
- and the rook (just flash the king). */
- if (do_flash) {
- if (check_castle_draw(board, lastBoard[nr], &rrow, &rcol)) {
- /* Draw rook with NO flashing. King will be drawn flashing later */
- DrawSquare(rrow, rcol, board[rrow][rcol], 0);
- lastBoard[nr][rrow][rcol] = board[rrow][rcol];
- }
- }
-
- /* First pass -- Draw (newly) empty squares and repair damage.
- This prevents you from having a piece show up twice while it
- is flashing on its new square */
- for (i = 0; i < BOARD_HEIGHT; i++)
- for (j = 0; j < BOARD_WIDTH; j++)
- if ((board[i][j] != lastBoard[nr][i][j] && board[i][j] == EmptySquare)
- || damage[nr][i][j]) {
- DrawSquare(i, j, board[i][j], 0);
- damage[nr][i][j] = False;
- }
-
- /* Second pass -- Draw piece(s) in new position and flash them */
- for (i = 0; i < BOARD_HEIGHT; i++)
- for (j = 0; j < BOARD_WIDTH; j++)
- if (board[i][j] != lastBoard[nr][i][j]) {
- DrawSquare(i, j, board[i][j], do_flash);
- }
- } else {
- if (lineGap > 0)
XDrawSegments(xDisplay, xBoardWindow, lineGC,
- twoBoards & partnerUp ? secondSegments : // [HGM] dual
+ second ? secondSegments : // [HGM] dual
gridSegments, BOARD_HEIGHT + BOARD_WIDTH + 2);
-
- for (i = 0; i < BOARD_HEIGHT; i++)
- for (j = 0; j < BOARD_WIDTH; j++) {
- DrawSquare(i, j, board[i][j], 0);
- damage[nr][i][j] = False;
- }
- }
-
- CopyBoard(lastBoard[nr], board);
- lastBoardValid[nr] = 1;
- if(nr == 0) { // [HGM] dual: no highlights on second board yet
- lastFlipView = flipView;
-
- /* Draw highlights */
- if (pm1X >= 0 && pm1Y >= 0) {
- drawHighlight(pm1X, pm1Y, prelineGC);
- }
- if (pm2X >= 0 && pm2Y >= 0) {
- drawHighlight(pm2X, pm2Y, prelineGC);
- }
- if (hi1X >= 0 && hi1Y >= 0) {
- drawHighlight(hi1X, hi1Y, highlineGC);
- }
- if (hi2X >= 0 && hi2Y >= 0) {
- drawHighlight(hi2X, hi2Y, highlineGC);
- }
- DrawArrowHighlight(hi1X, hi1Y, hi2X, hi2Y);
- }
- /* If piece being dragged around board, must redraw that too */
- DrawDragPiece();
-
- XSync(xDisplay, False);
}
void
DrawPositionProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
{
- XDrawPosition(w, True, NULL);
+ DrawPosition(True, NULL);
}
InputBoxPopup();
}
-extern Option boxOptions[];
-
-void
-ICSInputSendText ()
-{
- Widget edit;
- int j;
- Arg args[16];
- String val;
-
- edit = boxOptions[0].handle;
- j = 0;
- XtSetArg(args[j], XtNstring, &val); j++;
- XtGetValues(edit, args, j);
- SaveInHistory(val);
- SendMultiLineToICS(val);
- XtCallActionProc(edit, "select-all", NULL, NULL, 0);
- XtCallActionProc(edit, "kill-selection", NULL, NULL, 0);
-}
void
ICSInputBoxPopDown ()
{
- PopDown(4);
+ PopDown(InputBoxDlg);
}
void
void
CommentPopDown ()
{
- PopDown(1);
+ PopDown(CommentDlg);
}
static char *openName;
}
void
-FileNamePopDown ()
-{
- if (!filenameUp) return;
- XtPopdown(fileNameShell);
- XtDestroyWidget(fileNameShell);
- filenameUp = False;
- ModeHighlight();
-}
-
-void
-FileNameCallback (Widget w, XtPointer client_data, XtPointer call_data)
-{
- String name;
- Arg args[16];
-
- XtSetArg(args[0], XtNlabel, &name);
- XtGetValues(w, args, 1);
-
- if (strcmp(name, _("cancel")) == 0) {
- FileNamePopDown();
- return;
- }
-
- FileNameAction(w, NULL, NULL, NULL);
-}
-
-void
-FileNameAction (Widget w, XEvent *event, String *prms, Cardinal *nprms)
-{
- char buf[MSG_SIZ];
- String name;
- FILE *f;
- char *p, *fullname;
- int index;
-
- name = XawDialogGetValueString(w = XtParent(w));
-
- if ((name != NULL) && (*name != NULLCHAR)) {
- safeStrCpy(buf, name, sizeof(buf)/sizeof(buf[0]) );
- XtPopdown(w = XtParent(XtParent(w)));
- XtDestroyWidget(w);
- filenameUp = False;
-
- p = strrchr(buf, ' ');
- if (p == NULL) {
- index = 0;
- } else {
- *p++ = NULLCHAR;
- index = atoi(p);
- }
- fullname = ExpandPathName(buf);
- if (!fullname) {
- ErrorPopUp(_("Error"), _("Can't open file"), FALSE);
- }
- else {
- f = fopen(fullname, fileOpenMode);
- if (f == NULL) {
- DisplayError(_("Failed to open file"), errno);
- } else {
- (void) (*fileProc)(f, index, buf);
- }
- }
- ModeHighlight();
- return;
- }
-
- XtPopdown(w = XtParent(XtParent(w)));
- XtDestroyWidget(w);
- filenameUp = False;
- ModeHighlight();
-}
-
-void
PromotionPopUp ()
{
Arg args[16];
XtSetArg(args[i], XtNtitle, title); i++;
errorShell =
XtCreatePopupShell("errorpopup", transientShellWidgetClass,
- shellUp[0] ? (dialogError = modal = TRUE, shells[0]) : shellWidget, args, i);
+ shellUp[TransientDlg] ? (dialogError = modal = TRUE, shells[TransientDlg]) : shellWidget, args, i);
layout =
XtCreateManagedWidget(layoutName, formWidgetClass, errorShell,
layoutArgs, XtNumber(layoutArgs));
{
char *selection_tmp;
- if (!selected_fen_position) return False; /* should never happen */
+// if (!selected_fen_position) return False; /* should never happen */
if (*target == XA_STRING || *target == XA_UTF8_STRING(xDisplay)){
+ if (!selected_fen_position) { // since it never happens, we use it for indicating a game is being sent
+ FILE* f = fopen(gameCopyFilename, "r"); // This code, taken from SendGameSelection, now merges the two
+ long len;
+ size_t count;
+ if (f == NULL) return False;
+ fseek(f, 0, 2);
+ len = ftell(f);
+ rewind(f);
+ selection_tmp = XtMalloc(len + 1);
+ count = fread(selection_tmp, 1, len, f);
+ fclose(f);
+ if (len != count) {
+ XtFree(selection_tmp);
+ return False;
+ }
+ selection_tmp[len] = NULLCHAR;
+ } else {
/* note: since no XtSelectionDoneProc was registered, Xt will
* automatically call XtFree on the value returned. So have to
* make a copy of it allocated with XtMalloc */
selection_tmp= XtMalloc(strlen(selected_fen_position)+16);
safeStrCpy(selection_tmp, selected_fen_position, strlen(selected_fen_position)+16 );
+ }
*value_return=selection_tmp;
*length_return=strlen(selection_tmp);
* Widget which was clicked on was, or what the click event was
*/
void
-CopyPositionProc ()
+CopySomething (char *src)
{
+ selected_fen_position = src;
/*
* Set both PRIMARY (the selection) and CLIPBOARD, since we don't
* have a notion of a position that is selected but not copied.
* See http://www.freedesktop.org/wiki/Specifications/ClipboardsWiki
*/
- if(gameMode == EditPosition) EditPositionDone(TRUE);
- if (selected_fen_position) free(selected_fen_position);
- selected_fen_position = (char *)PositionToFEN(currentMove, NULL);
- if (!selected_fen_position) return;
XtOwnSelection(menuBarWidget, XA_PRIMARY,
CurrentTime,
SendPositionSelection,
return;
}
-static Boolean
-SendGameSelection (Widget w, Atom *selection, Atom *target,
- Atom *type_return, XtPointer *value_return,
- unsigned long *length_return, int *format_return)
-{
- char *selection_tmp;
-
- if (*target == XA_STRING || *target == XA_UTF8_STRING(xDisplay)){
- FILE* f = fopen(gameCopyFilename, "r");
- long len;
- size_t count;
- if (f == NULL) return False;
- fseek(f, 0, 2);
- len = ftell(f);
- rewind(f);
- selection_tmp = XtMalloc(len + 1);
- count = fread(selection_tmp, 1, len, f);
- fclose(f);
- if (len != count) {
- XtFree(selection_tmp);
- return False;
- }
- selection_tmp[len] = NULLCHAR;
- *value_return = selection_tmp;
- *length_return = len;
- *type_return = *target;
- *format_return = 8; /* bits per byte */
- return True;
- } else if (*target == XA_TARGETS(xDisplay)) {
- Atom *targets_tmp = (Atom *) XtMalloc(2 * sizeof(Atom));
- targets_tmp[0] = XA_UTF8_STRING(xDisplay);
- targets_tmp[1] = XA_STRING;
- *value_return = targets_tmp;
- *type_return = XA_ATOM;
- *length_return = 2;
-#if 0
- // This code leads to a read of value_return out of bounds on 64-bit systems.
- // Other code which I have seen always sets *format_return to 32 independent of
- // sizeof(Atom) without adjusting *length_return. For instance see TextConvertSelection()
- // at http://cgit.freedesktop.org/xorg/lib/libXaw/tree/src/Text.c -- BJ
- *format_return = 8 * sizeof(Atom);
- if (*format_return > 32) {
- *length_return *= *format_return / 32;
- *format_return = 32;
- }
-#else
- *format_return = 32;
-#endif
- return True;
- } else {
- return False;
- }
-}
-
-void
-CopySomething ()
-{
- /*
- * Set both PRIMARY (the selection) and CLIPBOARD, since we don't
- * have a notion of a game that is selected but not copied.
- * See http://www.freedesktop.org/wiki/Specifications/ClipboardsWiki
- */
- XtOwnSelection(menuBarWidget, XA_PRIMARY,
- CurrentTime,
- SendGameSelection,
- NULL/* lose_ownership_proc */ ,
- NULL/* transfer_done_proc */);
- XtOwnSelection(menuBarWidget, XA_CLIPBOARD(xDisplay),
- CurrentTime,
- SendGameSelection,
- NULL/* lose_ownership_proc */ ,
- NULL/* transfer_done_proc */);
-}
-
/* note: when called from menu all parameters are NULL, so no clue what the
* Widget which was clicked on was, or what the click event was
*/
QuitProc();
}
-void
+static void
+MoveTypeInProc (Widget widget, caddr_t unused, XEvent *event)
+{
+ char buf[10], keys[32];
+ KeySym sym;
+ KeyCode metaL, metaR; //, ctrlL, ctrlR;
+ int n = XLookupString(&(event->xkey), buf, 10, &sym, NULL);
+ XQueryKeymap(xDisplay,keys);
+ metaL = XKeysymToKeycode(xDisplay, XK_Meta_L);
+ metaR = XKeysymToKeycode(xDisplay, XK_Meta_R);
+// ctrlL = XKeysymToKeycode(xDisplay, XK_Control_L);
+// ctrlR = XKeysymToKeycode(xDisplay, XK_Control_R);
+ if ( n == 1 && *buf >= 32 // printable
+ && !(keys[metaL>>3]&1<<(metaL&7)) && !(keys[metaR>>3]&1<<(metaR&7)) // no alt key pressed
+// && !(keys[ctrlL>>3]&1<<(ctrlL&7)) && !(keys[ctrlR>>3]&1<<(ctrlR&7)) // no ctrl key pressed
+ ) BoxAutoPopUp (buf);
+}
+
+static void
UpKeyProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
{ // [HGM] input: let up-arrow recall previous line from history
- Widget edit;
- int j;
- Arg args[16];
- String val;
- XawTextBlock t;
-
- if (!shellUp[4]) return;
- edit = boxOptions[0].handle;
- j = 0;
- XtSetArg(args[j], XtNstring, &val); j++;
- XtGetValues(edit, args, j);
- val = PrevInHistory(val);
- XtCallActionProc(edit, "select-all", NULL, NULL, 0);
- XtCallActionProc(edit, "kill-selection", NULL, NULL, 0);
- if(val) {
- t.ptr = val; t.firstPos = 0; t.length = strlen(val); t.format = XawFmt8Bit;
- XawTextReplace(edit, 0, 0, &t);
- XawTextSetInsertionPoint(edit, 9999);
- }
+ IcsKey(1);
}
-void
+static void
DownKeyProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
{ // [HGM] input: let down-arrow recall next line from history
- Widget edit;
- String val;
- XawTextBlock t;
-
- if (!shellUp[4]) return;
- edit = boxOptions[0].handle;
- val = NextInHistory();
- XtCallActionProc(edit, "select-all", NULL, NULL, 0);
- XtCallActionProc(edit, "kill-selection", NULL, NULL, 0);
- if(val) {
- t.ptr = val; t.firstPos = 0; t.length = strlen(val); t.format = XawFmt8Bit;
- XawTextReplace(edit, 0, 0, &t);
- XawTextSetInsertionPoint(edit, 9999);
- }
+ IcsKey(-1);
}
-void
+static void
EnterKeyProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
{
- if (shellUp[4] == True)
- ICSInputSendText();
+ IcsKey(0);
}
void
}
void
-DisplayTitle (char *text)
+SetWindowTitle (char *text, char *title, char *icon)
{
Arg args[16];
int i;
- char title[MSG_SIZ];
- char icon[MSG_SIZ];
-
- if (text == NULL) text = "";
-
if (appData.titleInWindow) {
i = 0;
XtSetArg(args[i], XtNlabel, text); i++;
XtSetValues(titleWidget, args, i);
}
-
- if (*text != NULLCHAR) {
- safeStrCpy(icon, text, sizeof(icon)/sizeof(icon[0]) );
- safeStrCpy(title, text, sizeof(title)/sizeof(title[0]) );
- } else if (appData.icsActive) {
- snprintf(icon, sizeof(icon), "%s", appData.icsHost);
- snprintf(title, sizeof(title), "%s: %s", programName, appData.icsHost);
- } else if (appData.cmailGameName[0] != NULLCHAR) {
- snprintf(icon, sizeof(icon), "%s", "CMail");
- snprintf(title,sizeof(title), "%s: %s", programName, "CMail");
-#ifdef GOTHIC
- // [HGM] license: This stuff should really be done in back-end, but WinBoard already had a pop-up for it
- } else if (gameInfo.variant == VariantGothic) {
- safeStrCpy(icon, programName, sizeof(icon)/sizeof(icon[0]) );
- safeStrCpy(title, GOTHIC, sizeof(title)/sizeof(title[0]) );
-#endif
-#ifdef FALCON
- } else if (gameInfo.variant == VariantFalcon) {
- safeStrCpy(icon, programName, sizeof(icon)/sizeof(icon[0]) );
- safeStrCpy(title, FALCON, sizeof(title)/sizeof(title[0]) );
-#endif
- } else if (appData.noChessProgram) {
- safeStrCpy(icon, programName, sizeof(icon)/sizeof(icon[0]) );
- safeStrCpy(title, programName, sizeof(title)/sizeof(title[0]) );
- } else {
- safeStrCpy(icon, first.tidy, sizeof(icon)/sizeof(icon[0]) );
- snprintf(title,sizeof(title), "%s: %s", programName, first.tidy);
- }
i = 0;
XtSetArg(args[i], XtNiconName, (XtArgVal) icon); i++;
XtSetArg(args[i], XtNtitle, (XtArgVal) title); i++;
}
-void
-DisplayError (String message, int error)
-{
- char buf[MSG_SIZ];
-
- if (error == 0) {
- if (appData.debugMode || appData.matchMode) {
- fprintf(stderr, "%s: %s\n", programName, message);
- }
- } else {
- if (appData.debugMode || appData.matchMode) {
- fprintf(stderr, "%s: %s: %s\n",
- programName, message, strerror(error));
- }
- snprintf(buf, sizeof(buf), "%s: %s", message, strerror(error));
- message = buf;
- }
- ErrorPopUp(_("Error"), message, FALSE);
-}
-
-
-void
-DisplayMoveError (String message)
-{
- fromX = fromY = -1;
- ClearHighlights();
- DrawPosition(FALSE, NULL);
- if (appData.debugMode || appData.matchMode) {
- fprintf(stderr, "%s: %s\n", programName, message);
- }
- if (appData.popupMoveErrors) {
- ErrorPopUp(_("Error"), message, FALSE);
- } else {
- DisplayMessage(message, "");
- }
-}
-
-
-void
-DisplayFatalError (String message, int error, int status)
-{
- char buf[MSG_SIZ];
-
- errorExitStatus = status;
- if (error == 0) {
- fprintf(stderr, "%s: %s\n", programName, message);
- } else {
- fprintf(stderr, "%s: %s: %s\n",
- programName, message, strerror(error));
- snprintf(buf, sizeof(buf), "%s: %s", message, strerror(error));
- message = buf;
- }
- if (appData.popupExitMessage && boardWidget && XtIsRealized(boardWidget)) {
- ErrorPopUp(status ? _("Fatal Error") : _("Exiting"), message, TRUE);
- } else {
- ExitEvent(status);
- }
-}
-
-void
-DisplayInformation (String message)
-{
- ErrorPopDown();
- ErrorPopUp(_("Information"), message, TRUE);
-}
-
-void
-DisplayNote (String message)
-{
- ErrorPopDown();
- ErrorPopUp(_("Note"), message, FALSE);
-}
-
static int
NullXErrorCheck (Display *dpy, XErrorEvent *error_event)
{
ProcRef pendingReplyPR;
void
-AskQuestionProc (Widget w, XEvent *event, String *prms, Cardinal *nprms)
-{
- if (*nprms != 4) {
- fprintf(stderr, _("AskQuestionProc needed 4 parameters, got %d\n"),
- *nprms);
- return;
- }
- AskQuestionEvent(prms[0], prms[1], prms[2], prms[3]);
-}
-
-void
AskQuestionPopDown ()
{
if (!askQuestionUp) return;
return outCount;
}
-/**** Animation code by Hugh Fisher, DCS, ANU.
-
- Known problem: if a window overlapping the board is
- moved away while a piece is being animated underneath,
- the newly exposed area won't be updated properly.
- I can live with this.
-
- Known problem: if you look carefully at the animation
- of pieces in mono mode, they are being drawn as solid
- shapes without interior detail while moving. Fixing
- this would be a major complication for minimal return.
-****/
+/**** Animation code by Hugh Fisher, DCS, ANU. ****/
/* Masks for XPM pieces. Black and white pieces can have
different shapes, but in the interest of retaining my
background square colors/images. */
static int xpmDone = 0;
+static Pixmap animBufs[3*NrOfAnims]; // newBuf, saveBuf
+static GC animGCs[3*NrOfAnims]; // blitGC, pieceGC, outlineGC;
static void
CreateAnimMasks (int pieceDepth)
}
static void
-InitAnimState (AnimState *anim, XWindowAttributes *info)
+InitAnimState (AnimNr anr, XWindowAttributes *info)
{
XtGCMask mask;
XGCValues values;
/* Each buffer is square size, same depth as window */
- anim->saveBuf = XCreatePixmap(xDisplay, xBoardWindow,
+ animBufs[anr+4] = xBoardWindow;
+ animBufs[anr+2] = XCreatePixmap(xDisplay, xBoardWindow,
squareSize, squareSize, info->depth);
- anim->newBuf = XCreatePixmap(xDisplay, xBoardWindow,
+ animBufs[anr] = XCreatePixmap(xDisplay, xBoardWindow,
squareSize, squareSize, info->depth);
/* Create a plain GC for blitting */
values.function = GXcopy;
values.plane_mask = AllPlanes;
values.graphics_exposures = False;
- anim->blitGC = XCreateGC(xDisplay, xBoardWindow, mask, &values);
+ animGCs[anr] = XCreateGC(xDisplay, xBoardWindow, mask, &values);
/* Piece will be copied from an existing context at
the start of each new animation/drag. */
- anim->pieceGC = XCreateGC(xDisplay, xBoardWindow, 0, &values);
+ animGCs[anr+2] = XCreateGC(xDisplay, xBoardWindow, 0, &values);
/* Outline will be a read-only copy of an existing */
- anim->outlineGC = None;
+ animGCs[anr+4] = None;
}
void
if(xpmDone) oldVariant = gameInfo.variant; // first time pieces might not be created yet
XGetWindowAttributes(xDisplay, xBoardWindow, &info);
- InitAnimState(&game, &info);
- InitAnimState(&player, &info);
+ InitAnimState(Game, &info);
+ InitAnimState(Player, &info);
/* For XPM pieces, we need bitmaps to use as masks. */
if (useImages)
signal(SIGALRM, FrameAlarm);
}
-static void
+void
FrameDelay (int time)
{
struct itimerval delay;
#else
-static void
+void
FrameDelay (int time)
{
XSync(xDisplay, False);
#endif
-void
-DoSleep (int n)
-{
- FrameDelay(n);
-}
-
-/* Convert board position to corner of screen rect and color */
-
-static void
-ScreenSquare (int column, int row, XPoint *pt, int *color)
-{
- if (flipView) {
- pt->x = lineGap + ((BOARD_WIDTH-1)-column) * (squareSize + lineGap);
- pt->y = lineGap + row * (squareSize + lineGap);
- } else {
- pt->x = lineGap + column * (squareSize + lineGap);
- pt->y = lineGap + ((BOARD_HEIGHT-1)-row) * (squareSize + lineGap);
- }
- *color = SquareColor(row, column);
-}
-
-/* Convert window coords to square */
-
-static void
-BoardSquare (int x, int y, int *column, int *row)
-{
- *column = EventToSquare(x, BOARD_WIDTH);
- if (flipView && *column >= 0)
- *column = BOARD_WIDTH - 1 - *column;
- *row = EventToSquare(y, BOARD_HEIGHT);
- if (!flipView && *row >= 0)
- *row = BOARD_HEIGHT - 1 - *row;
-}
-
-/* Utilities */
-
-#undef Max /* just in case */
-#undef Min
-#define Max(a, b) ((a) > (b) ? (a) : (b))
-#define Min(a, b) ((a) < (b) ? (a) : (b))
-
-static void
-SetRect (XRectangle *rect, int x, int y, int width, int height)
-{
- rect->x = x;
- rect->y = y;
- rect->width = width;
- rect->height = height;
-}
-
-/* Test if two frames overlap. If they do, return
- intersection rect within old and location of
- that rect within new. */
-
-static Boolean
-Intersect ( XPoint *old, XPoint *new, int size, XRectangle *area, XPoint *pt)
-{
- if (old->x > new->x + size || new->x > old->x + size ||
- old->y > new->y + size || new->y > old->y + size) {
- return False;
- } else {
- SetRect(area, Max(new->x - old->x, 0), Max(new->y - old->y, 0),
- size - abs(old->x - new->x), size - abs(old->y - new->y));
- pt->x = Max(old->x - new->x, 0);
- pt->y = Max(old->y - new->y, 0);
- return True;
- }
-}
-
-/* For two overlapping frames, return the rect(s)
- in the old that do not intersect with the new. */
-
-static void
-CalcUpdateRects (XPoint *old, XPoint *new, int size, XRectangle update[], int *nUpdates)
-{
- int count;
-
- /* If old = new (shouldn't happen) then nothing to draw */
- if (old->x == new->x && old->y == new->y) {
- *nUpdates = 0;
- return;
- }
- /* Work out what bits overlap. Since we know the rects
- are the same size we don't need a full intersect calc. */
- count = 0;
- /* Top or bottom edge? */
- if (new->y > old->y) {
- SetRect(&(update[count]), old->x, old->y, size, new->y - old->y);
- count ++;
- } else if (old->y > new->y) {
- SetRect(&(update[count]), old->x, old->y + size - (old->y - new->y),
- size, old->y - new->y);
- count ++;
- }
- /* Left or right edge - don't overlap any update calculated above. */
- if (new->x > old->x) {
- SetRect(&(update[count]), old->x, Max(new->y, old->y),
- new->x - old->x, size - abs(new->y - old->y));
- count ++;
- } else if (old->x > new->x) {
- SetRect(&(update[count]), new->x + size, Max(new->y, old->y),
- old->x - new->x, size - abs(new->y - old->y));
- count ++;
- }
- /* Done */
- *nUpdates = count;
-}
-
-/* Generate a series of frame coords from start->mid->finish.
- The movement rate doubles until the half way point is
- reached, then halves back down to the final destination,
- which gives a nice slow in/out effect. The algorithmn
- may seem to generate too many intermediates for short
- moves, but remember that the purpose is to attract the
- viewers attention to the piece about to be moved and
- then to where it ends up. Too few frames would be less
- noticeable. */
-
-static void
-Tween (XPoint *start, XPoint *mid, XPoint *finish, int factor, XPoint frames[], int *nFrames)
-{
- int fraction, n, count;
-
- count = 0;
-
- /* Slow in, stepping 1/16th, then 1/8th, ... */
- fraction = 1;
- for (n = 0; n < factor; n++)
- fraction *= 2;
- for (n = 0; n < factor; n++) {
- frames[count].x = start->x + (mid->x - start->x) / fraction;
- frames[count].y = start->y + (mid->y - start->y) / fraction;
- count ++;
- fraction = fraction / 2;
- }
-
- /* Midpoint */
- frames[count] = *mid;
- count ++;
-
- /* Slow out, stepping 1/2, then 1/4, ... */
- fraction = 2;
- for (n = 0; n < factor; n++) {
- frames[count].x = finish->x - (finish->x - mid->x) / fraction;
- frames[count].y = finish->y - (finish->y - mid->y) / fraction;
- count ++;
- fraction = fraction * 2;
- }
- *nFrames = count;
-}
-
-/* Draw a piece on the screen without disturbing what's there */
-
static void
SelectGCMask (ChessSquare piece, GC *clip, GC *outline, Pixmap *mask)
{
}
}
-/* Animate the movement of a single piece */
-
-static void
-BeginAnimation (AnimState *anim, ChessSquare piece, int startColor, XPoint *start)
-{
- Pixmap mask;
-
- if(appData.upsideDown && flipView) piece += piece < BlackPawn ? BlackPawn : -BlackPawn;
- /* The old buffer is initialised with the start square (empty) */
- BlankSquare(start->x, start->y, startColor, EmptySquare, anim->saveBuf, 0);
- anim->prevFrame = *start;
-
- /* The piece will be drawn using its own bitmap as a matte */
- SelectGCMask(piece, &anim->pieceGC, &anim->outlineGC, &mask);
- XSetClipMask(xDisplay, anim->pieceGC, mask);
-}
-
-static void
-AnimationFrame (AnimState *anim, XPoint *frame, ChessSquare piece)
-{
- XRectangle updates[4];
- XRectangle overlap;
- XPoint pt;
- int count, i;
-
- /* Save what we are about to draw into the new buffer */
- XCopyArea(xDisplay, xBoardWindow, anim->newBuf, anim->blitGC,
- frame->x, frame->y, squareSize, squareSize,
- 0, 0);
-
- /* Erase bits of the previous frame */
- if (Intersect(&anim->prevFrame, frame, squareSize, &overlap, &pt)) {
- /* Where the new frame overlapped the previous,
- the contents in newBuf are wrong. */
- XCopyArea(xDisplay, anim->saveBuf, anim->newBuf, anim->blitGC,
- overlap.x, overlap.y,
- overlap.width, overlap.height,
- pt.x, pt.y);
- /* Repaint the areas in the old that don't overlap new */
- CalcUpdateRects(&anim->prevFrame, frame, squareSize, updates, &count);
- for (i = 0; i < count; i++)
- XCopyArea(xDisplay, anim->saveBuf, xBoardWindow, anim->blitGC,
- updates[i].x - anim->prevFrame.x,
- updates[i].y - anim->prevFrame.y,
- updates[i].width, updates[i].height,
- updates[i].x, updates[i].y);
- } else {
- /* Easy when no overlap */
- XCopyArea(xDisplay, anim->saveBuf, xBoardWindow, anim->blitGC,
- 0, 0, squareSize, squareSize,
- anim->prevFrame.x, anim->prevFrame.y);
- }
-
- /* Save this frame for next time round */
- XCopyArea(xDisplay, anim->newBuf, anim->saveBuf, anim->blitGC,
- 0, 0, squareSize, squareSize,
- 0, 0);
- anim->prevFrame = *frame;
-
- /* Draw piece over original screen contents, not current,
- and copy entire rect. Wipes out overlapping piece images. */
- OverlayPiece(piece, anim->pieceGC, anim->outlineGC, anim->newBuf);
- XCopyArea(xDisplay, anim->newBuf, xBoardWindow, anim->blitGC,
- 0, 0, squareSize, squareSize,
- frame->x, frame->y);
-}
-
-static void
-EndAnimation (AnimState *anim, XPoint *finish)
-{
- XRectangle updates[4];
- XRectangle overlap;
- XPoint pt;
- int count, i;
-
- /* The main code will redraw the final square, so we
- only need to erase the bits that don't overlap. */
- if (Intersect(&anim->prevFrame, finish, squareSize, &overlap, &pt)) {
- CalcUpdateRects(&anim->prevFrame, finish, squareSize, updates, &count);
- for (i = 0; i < count; i++)
- XCopyArea(xDisplay, anim->saveBuf, xBoardWindow, anim->blitGC,
- updates[i].x - anim->prevFrame.x,
- updates[i].y - anim->prevFrame.y,
- updates[i].width, updates[i].height,
- updates[i].x, updates[i].y);
- } else {
- XCopyArea(xDisplay, anim->saveBuf, xBoardWindow, anim->blitGC,
- 0, 0, squareSize, squareSize,
- anim->prevFrame.x, anim->prevFrame.y);
- }
-}
-
-static void
-FrameSequence (AnimState *anim, ChessSquare piece, int startColor, XPoint *start, XPoint *finish, XPoint frames[], int nFrames)
-{
- int n;
-
- BeginAnimation(anim, piece, startColor, start);
- for (n = 0; n < nFrames; n++) {
- AnimationFrame(anim, &(frames[n]), piece);
- FrameDelay(appData.animSpeed);
- }
- EndAnimation(anim, finish);
-}
-
void
-AnimateAtomicCapture (Board board, int fromX, int fromY, int toX, int toY)
+InsertPiece (AnimNr anr, ChessSquare piece)
{
- int i, x, y;
- ChessSquare piece = board[fromY][toY];
- board[fromY][toY] = EmptySquare;
- DrawPosition(FALSE, board);
- if (flipView) {
- x = lineGap + ((BOARD_WIDTH-1)-toX) * (squareSize + lineGap);
- y = lineGap + toY * (squareSize + lineGap);
- } else {
- x = lineGap + toX * (squareSize + lineGap);
- y = lineGap + ((BOARD_HEIGHT-1)-toY) * (squareSize + lineGap);
- }
- for(i=1; i<4*kFactor; i++) {
- int r = squareSize * 9 * i/(20*kFactor - 5);
- XFillArc(xDisplay, xBoardWindow, highlineGC,
- x + squareSize/2 - r, y+squareSize/2 - r, 2*r, 2*r, 0, 64*360);
- FrameDelay(appData.animSpeed);
- }
- board[fromY][toY] = piece;
+ OverlayPiece(piece, animGCs[anr+2], animGCs[anr+4], animBufs[anr]);
}
-/* Main control logic for deciding what to animate and how */
-
void
-AnimateMove (Board board, int fromX, int fromY, int toX, int toY)
+DrawBlank (AnimNr anr, int x, int y, int startColor)
{
- ChessSquare piece;
- int hop;
- XPoint start, finish, mid;
- XPoint frames[kFactor * 2 + 1];
- int nFrames, startColor, endColor;
-
- /* Are we animating? */
- if (!appData.animate || appData.blindfold)
- return;
-
- if(board[toY][toX] == WhiteRook && board[fromY][fromX] == WhiteKing ||
- board[toY][toX] == BlackRook && board[fromY][fromX] == BlackKing)
- return; // [HGM] FRC: no animtion of FRC castlings, as to-square is not true to-square
-
- if (fromY < 0 || fromX < 0 || toX < 0 || toY < 0) return;
- piece = board[fromY][fromX];
- if (piece >= EmptySquare) return;
-
-#if DONT_HOP
- hop = FALSE;
-#else
- hop = abs(fromX-toX) == 1 && abs(fromY-toY) == 2 || abs(fromX-toX) == 2 && abs(fromY-toY) == 1;
-#endif
-
- ScreenSquare(fromX, fromY, &start, &startColor);
- ScreenSquare(toX, toY, &finish, &endColor);
-
- if (hop) {
- /* Knight: make straight movement then diagonal */
- if (abs(toY - fromY) < abs(toX - fromX)) {
- mid.x = start.x + (finish.x - start.x) / 2;
- mid.y = start.y;
- } else {
- mid.x = start.x;
- mid.y = start.y + (finish.y - start.y) / 2;
- }
- } else {
- mid.x = start.x + (finish.x - start.x) / 2;
- mid.y = start.y + (finish.y - start.y) / 2;
- }
-
- /* Don't use as many frames for very short moves */
- if (abs(toY - fromY) + abs(toX - fromX) <= 2)
- Tween(&start, &mid, &finish, kFactor - 1, frames, &nFrames);
- else
- Tween(&start, &mid, &finish, kFactor, frames, &nFrames);
- FrameSequence(&game, piece, startColor, &start, &finish, frames, nFrames);
- if(Explode(board, fromX, fromY, toX, toY)) { // mark as damaged
- int i,j;
- for(i=0; i<BOARD_WIDTH; i++) for(j=0; j<BOARD_HEIGHT; j++)
- if((i-toX)*(i-toX) + (j-toY)*(j-toY) < 6) damage[0][j][i] = True;
- }
-
- /* Be sure end square is redrawn */
- damage[0][toY][toX] = True;
+ BlankSquare(x, y, startColor, EmptySquare, animBufs[anr+2], 0);
}
-void
-DragPieceBegin (int x, int y, Boolean instantly)
+void CopyRectangle (AnimNr anr, int srcBuf, int destBuf,
+ int srcX, int srcY, int width, int height, int destX, int destY)
{
- int boardX, boardY, color;
- XPoint corner;
-
- /* Are we animating? */
- if (!appData.animateDragging || appData.blindfold)
- return;
-
- /* Figure out which square we start in and the
- mouse position relative to top left corner. */
- BoardSquare(x, y, &boardX, &boardY);
- player.startBoardX = boardX;
- player.startBoardY = boardY;
- ScreenSquare(boardX, boardY, &corner, &color);
- player.startSquare = corner;
- player.startColor = color;
- /* As soon as we start dragging, the piece will jump slightly to
- be centered over the mouse pointer. */
- player.mouseDelta.x = squareSize/2;
- player.mouseDelta.y = squareSize/2;
- /* Initialise animation */
- player.dragPiece = PieceForSquare(boardX, boardY);
- /* Sanity check */
- if (player.dragPiece >= 0 && player.dragPiece < EmptySquare) {
- player.dragActive = True;
- BeginAnimation(&player, player.dragPiece, color, &corner);
- /* Mark this square as needing to be redrawn. Note that
- we don't remove the piece though, since logically (ie
- as seen by opponent) the move hasn't been made yet. */
- if(boardX == BOARD_RGHT+1 && PieceForSquare(boardX-1, boardY) > 1 ||
- boardX == BOARD_LEFT-2 && PieceForSquare(boardX+1, boardY) > 1)
- XCopyArea(xDisplay, xBoardWindow, player.saveBuf, player.blitGC,
- corner.x, corner.y, squareSize, squareSize,
- 0, 0); // [HGM] zh: unstack in stead of grab
- if(gatingPiece != EmptySquare) {
- /* Kludge alert: When gating we want the introduced
- piece to appear on the from square. To generate an
- image of it, we draw it on the board, copy the image,
- and draw the original piece again. */
- ChessSquare piece = boards[currentMove][boardY][boardX];
- DrawSquare(boardY, boardX, gatingPiece, 0);
- XCopyArea(xDisplay, xBoardWindow, player.saveBuf, player.blitGC,
- corner.x, corner.y, squareSize, squareSize, 0, 0);
- DrawSquare(boardY, boardX, piece, 0);
- }
- damage[0][boardY][boardX] = True;
- } else {
- player.dragActive = False;
- }
+ XCopyArea(xDisplay, animBufs[anr+srcBuf], animBufs[anr+destBuf], animGCs[anr],
+ srcX, srcY, width, height, destX, destY);
}
void
-ChangeDragPiece (ChessSquare piece)
+SetDragPiece (AnimNr anr, ChessSquare piece)
{
Pixmap mask;
- player.dragPiece = piece;
/* The piece will be drawn using its own bitmap as a matte */
- SelectGCMask(piece, &player.pieceGC, &player.outlineGC, &mask);
- XSetClipMask(xDisplay, player.pieceGC, mask);
-}
-
-static void
-DragPieceMove (int x, int y)
-{
- XPoint corner;
-
- /* Are we animating? */
- if (!appData.animateDragging || appData.blindfold)
- return;
-
- /* Sanity check */
- if (! player.dragActive)
- return;
- /* Move piece, maintaining same relative position
- of mouse within square */
- corner.x = x - player.mouseDelta.x;
- corner.y = y - player.mouseDelta.y;
- AnimationFrame(&player, &corner, player.dragPiece);
-#if HIGHDRAG*0
- if (appData.highlightDragging) {
- int boardX, boardY;
- BoardSquare(x, y, &boardX, &boardY);
- SetHighlights(fromX, fromY, boardX, boardY);
- }
-#endif
-}
-
-void
-DragPieceEnd (int x, int y)
-{
- int boardX, boardY, color;
- XPoint corner;
-
- /* Are we animating? */
- if (!appData.animateDragging || appData.blindfold)
- return;
-
- /* Sanity check */
- if (! player.dragActive)
- return;
- /* Last frame in sequence is square piece is
- placed on, which may not match mouse exactly. */
- BoardSquare(x, y, &boardX, &boardY);
- ScreenSquare(boardX, boardY, &corner, &color);
- EndAnimation(&player, &corner);
-
- /* Be sure end square is redrawn */
- damage[0][boardY][boardX] = True;
-
- /* This prevents weird things happening with fast successive
- clicks which on my Sun at least can cause motion events
- without corresponding press/release. */
- player.dragActive = False;
-}
-
-/* Handle expose event while piece being dragged */
-
-static void
-DrawDragPiece ()
-{
- if (!player.dragActive || appData.blindfold)
- return;
-
- /* What we're doing: logically, the move hasn't been made yet,
- so the piece is still in it's original square. But visually
- it's being dragged around the board. So we erase the square
- that the piece is on and draw it at the last known drag point. */
- BlankSquare(player.startSquare.x, player.startSquare.y,
- player.startColor, EmptySquare, xBoardWindow, 1);
- AnimationFrame(&player, &player.prevFrame, player.dragPiece);
- damage[0][player.startBoardY][player.startBoardX] = TRUE;
+ SelectGCMask(piece, &animGCs[anr+2], &animGCs[anr+4], &mask);
+ XSetClipMask(xDisplay, animGCs[anr+2], mask);
}
#include <sys/ioctl.h>
/* [AS] Arrow highlighting support */
-static double A_WIDTH = 5; /* Width of arrow body */
-
-#define A_HEIGHT_FACTOR 6 /* Length of arrow "point", relative to body width */
-#define A_WIDTH_FACTOR 3 /* Width of arrow "point", relative to body width */
-
-static double
-Sqr (double x)
-{
- return x*x;
-}
-
-static int
-Round (double x)
-{
- return (int) (x + 0.5);
-}
-
-void
-SquareToPos (int rank, int file, int *x, int *y)
-{
- if (flipView) {
- *x = lineGap + ((BOARD_WIDTH-1)-file) * (squareSize + lineGap);
- *y = lineGap + rank * (squareSize + lineGap);
- } else {
- *x = lineGap + file * (squareSize + lineGap);
- *y = lineGap + ((BOARD_HEIGHT-1)-rank) * (squareSize + lineGap);
- }
-}
-
-/* Draw an arrow between two points using current settings */
void
-DrawArrowBetweenPoints (int s_x, int s_y, int d_x, int d_y)
+DrawPolygon (Pnt arrow[], int nr)
{
- XPoint arrow[8];
- double dx, dy, j, k, x, y;
-
- if( d_x == s_x ) {
- int h = (d_y > s_y) ? +A_WIDTH*A_HEIGHT_FACTOR : -A_WIDTH*A_HEIGHT_FACTOR;
-
- arrow[0].x = s_x + A_WIDTH + 0.5;
- arrow[0].y = s_y;
-
- arrow[1].x = s_x + A_WIDTH + 0.5;
- arrow[1].y = d_y - h;
-
- arrow[2].x = arrow[1].x + A_WIDTH*(A_WIDTH_FACTOR-1) + 0.5;
- arrow[2].y = d_y - h;
-
- arrow[3].x = d_x;
- arrow[3].y = d_y;
-
- arrow[5].x = arrow[1].x - 2*A_WIDTH + 0.5;
- arrow[5].y = d_y - h;
-
- arrow[4].x = arrow[5].x - A_WIDTH*(A_WIDTH_FACTOR-1) + 0.5;
- arrow[4].y = d_y - h;
-
- arrow[6].x = arrow[1].x - 2*A_WIDTH + 0.5;
- arrow[6].y = s_y;
- }
- else if( d_y == s_y ) {
- int w = (d_x > s_x) ? +A_WIDTH*A_HEIGHT_FACTOR : -A_WIDTH*A_HEIGHT_FACTOR;
-
- arrow[0].x = s_x;
- arrow[0].y = s_y + A_WIDTH + 0.5;
-
- arrow[1].x = d_x - w;
- arrow[1].y = s_y + A_WIDTH + 0.5;
-
- arrow[2].x = d_x - w;
- arrow[2].y = arrow[1].y + A_WIDTH*(A_WIDTH_FACTOR-1) + 0.5;
-
- arrow[3].x = d_x;
- arrow[3].y = d_y;
-
- arrow[5].x = d_x - w;
- arrow[5].y = arrow[1].y - 2*A_WIDTH + 0.5;
-
- arrow[4].x = d_x - w;
- arrow[4].y = arrow[5].y - A_WIDTH*(A_WIDTH_FACTOR-1) + 0.5;
-
- arrow[6].x = s_x;
- arrow[6].y = arrow[1].y - 2*A_WIDTH + 0.5;
- }
- else {
- /* [AS] Needed a lot of paper for this! :-) */
- dy = (double) (d_y - s_y) / (double) (d_x - s_x);
- dx = (double) (s_x - d_x) / (double) (s_y - d_y);
-
- j = sqrt( Sqr(A_WIDTH) / (1.0 + Sqr(dx)) );
-
- k = sqrt( Sqr(A_WIDTH*A_HEIGHT_FACTOR) / (1.0 + Sqr(dy)) );
-
- x = s_x;
- y = s_y;
-
- arrow[0].x = Round(x - j);
- arrow[0].y = Round(y + j*dx);
-
- arrow[1].x = Round(arrow[0].x + 2*j); // [HGM] prevent width to be affected by rounding twice
- arrow[1].y = Round(arrow[0].y - 2*j*dx);
-
- if( d_x > s_x ) {
- x = (double) d_x - k;
- y = (double) d_y - k*dy;
- }
- else {
- x = (double) d_x + k;
- y = (double) d_y + k*dy;
- }
-
- x = Round(x); y = Round(y); // [HGM] make sure width of shaft is rounded the same way on both ends
-
- arrow[6].x = Round(x - j);
- arrow[6].y = Round(y + j*dx);
-
- arrow[2].x = Round(arrow[6].x + 2*j);
- arrow[2].y = Round(arrow[6].y - 2*j*dx);
-
- arrow[3].x = Round(arrow[2].x + j*(A_WIDTH_FACTOR-1));
- arrow[3].y = Round(arrow[2].y - j*(A_WIDTH_FACTOR-1)*dx);
-
- arrow[4].x = d_x;
- arrow[4].y = d_y;
-
- arrow[5].x = Round(arrow[6].x - j*(A_WIDTH_FACTOR-1));
- arrow[5].y = Round(arrow[6].y + j*(A_WIDTH_FACTOR-1)*dx);
- }
-
- XFillPolygon(xDisplay, xBoardWindow, highlineGC, arrow, 7, Nonconvex, CoordModeOrigin);
- if(appData.monoMode) arrow[7] = arrow[0], XDrawLines(xDisplay, xBoardWindow, darkSquareGC, arrow, 8, CoordModeOrigin);
-// Polygon( hdc, arrow, 7 );
-}
-
-void
-ArrowDamage (int s_col, int s_row, int d_col, int d_row)
-{
- int hor, vert, i;
- hor = 64*s_col + 32; vert = 64*s_row + 32;
- for(i=0; i<= 64; i++) {
- damage[0][vert+6>>6][hor+6>>6] = True;
- damage[0][vert-6>>6][hor+6>>6] = True;
- damage[0][vert+6>>6][hor-6>>6] = True;
- damage[0][vert-6>>6][hor-6>>6] = True;
- hor += d_col - s_col; vert += d_row - s_row;
- }
-}
-
-/* [AS] Draw an arrow between two squares */
-void
-DrawArrowBetweenSquares (int s_col, int s_row, int d_col, int d_row)
-{
- int s_x, s_y, d_x, d_y;
-
- if( s_col == d_col && s_row == d_row ) {
- return;
- }
-
- /* Get source and destination points */
- SquareToPos( s_row, s_col, &s_x, &s_y);
- SquareToPos( d_row, d_col, &d_x, &d_y);
-
- if( d_y > s_y ) {
- d_y += squareSize / 2 - squareSize / 4; // [HGM] round towards same centers on all sides!
- }
- else if( d_y < s_y ) {
- d_y += squareSize / 2 + squareSize / 4;
- }
- else {
- d_y += squareSize / 2;
- }
-
- if( d_x > s_x ) {
- d_x += squareSize / 2 - squareSize / 4;
- }
- else if( d_x < s_x ) {
- d_x += squareSize / 2 + squareSize / 4;
- }
- else {
- d_x += squareSize / 2;
- }
-
- s_x += squareSize / 2;
- s_y += squareSize / 2;
-
- /* Adjust width */
- A_WIDTH = squareSize / 14.; //[HGM] make float
-
- DrawArrowBetweenPoints( s_x, s_y, d_x, d_y );
- ArrowDamage(s_col, s_row, d_col, d_row);
-}
-
-Boolean
-IsDrawArrowEnabled ()
-{
- return appData.highlightMoveWithArrow && squareSize >= 32;
-}
-
-void
-DrawArrowHighlight (int fromX, int fromY, int toX,int toY)
-{
- if( IsDrawArrowEnabled() && fromX >= 0 && fromY >= 0 && toX >= 0 && toY >= 0)
- DrawArrowBetweenSquares(fromX, fromY, toX, toY);
+ XPoint pts[10];
+ int i;
+ for(i=0; i<10; i++) pts[i].x = arrow[i].x, pts[i].y = arrow[i].y;
+ XFillPolygon(xDisplay, xBoardWindow, highlineGC, pts, nr, Nonconvex, CoordModeOrigin);
+ if(appData.monoMode) arrow[nr] = arrow[0], XDrawLines(xDisplay, xBoardWindow, darkSquareGC, pts, nr+1, CoordModeOrigin);
}
void
projects / xboard.git / blobdiff