/*
- * xhistory.c -- Move list window, part of X front end for XBoard
+ * New (WinBoard-style) Move history for XBoard
*
- * Copyright 2000, 2009, 2010 Free Software Foundation, Inc.
+ * Copyright 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
* ------------------------------------------------------------------------
*
* GNU XBoard is free software: you can redistribute it and/or modify
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program. If not, see http://www.gnu.org/licenses/. *
+ * along with this program. If not, see http://www.gnu.org/licenses/.
*
- *------------------------------------------------------------------------
+ * ------------------------------------------------------------------------
** See the file ChangeLog for a revision history. */
#include "config.h"
#include <stdio.h>
-#include <ctype.h>
-#include <errno.h>
-#include <sys/types.h>
-
-#if STDC_HEADERS
-# include <stdlib.h>
-# include <string.h>
-#else /* not STDC_HEADERS */
-extern char *getenv();
-# if HAVE_STRING_H
-# include <string.h>
-# else /* not HAVE_STRING_H */
-# include <strings.h>
-# endif /* not HAVE_STRING_H */
-#endif /* not STDC_HEADERS */
-
-#if HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <stdlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Xaw/Text.h>
#include <X11/Xaw/AsciiText.h>
#include <X11/Xaw/Viewport.h>
+#include <X11/Xatom.h>
+#include <X11/Xmu/Atoms.h>
#include "common.h"
#include "frontend.h"
#include "backend.h"
-#include "xboard.h"
#include "xhistory.h"
+#include "xboard.h"
+#include "dialogs.h"
#include "gettext.h"
-#include "xevalgraph.h"
#ifdef ENABLE_NLS
# define _(s) gettext (s)
# define N_(s) s
#endif
-#define _LL_ 100
+// templates for calls into back-end (= history.c; should be moved to history.h header shared with it!)
+void RefreshMemoContent P((void));
+void MemoContentUpdated P((void));
+void FindMoveByCharIndex P(( int char_index ));
-extern Widget formWidget, shellWidget, boardWidget, menuBarWidget, historyShell;
-extern Display *xDisplay;
-extern int squareSize;
-extern Pixmap xMarkPixmap;
-extern char *layoutName;
-
-struct History{
- String *Nr,*white,*black;
- int aNr; /* space actually alocated */
- Widget mvn,mvw,mvb,vbox,viewport,sh;
- char Up;
-};
+// variables in xoptions.c
+extern Option historyOptions[];
-struct History *hist=0;
-String dots=" ... ";
-Position gameHistoryX, gameHistoryY;
-Dimension gameHistoryW, gameHistoryH;
+// ------------- low-level front-end actions called by MoveHistory back-end -----------------
void
-HistoryPopDown(w, client_data, call_data)
- Widget w;
- XtPointer client_data, call_data;
+HighlightMove (int from, int to, Boolean highlight)
{
- Arg args[16];
- int j;
- if(hist) {
-
- // [HGM] remember old position
- j = 0;
- XtSetArg(args[j], XtNx, &gameHistoryX); j++;
- XtSetArg(args[j], XtNy, &gameHistoryY); j++;
- XtSetArg(args[j], XtNwidth, &gameHistoryW); j++;
- XtSetArg(args[j], XtNheight, &gameHistoryH); j++;
- XtGetValues(hist->sh, args, j);
- wpMoveHistory.x = gameHistoryX - 4;
- wpMoveHistory.y = gameHistoryY - 23;
- wpMoveHistory.width = gameHistoryW;
- wpMoveHistory.height = gameHistoryH;
-
- XtPopdown(hist->sh);
- hist->Up=False;
- }
- j=0;
- XtSetArg(args[j], XtNleftBitmap, None); j++;
- XtSetValues(XtNameToWidget(menuBarWidget, "menuMode.Show Move History"),
- args, j);
+ if(highlight)
+ XawTextSetSelection( historyOptions[0].handle, from, to ); // for lack of a better method, use selection for highighting
}
-void HistoryMoveProc(Widget w, XtPointer closure, XtPointer call_data)
+void
+ClearHistoryMemo ()
{
- int to;
- XawListReturnStruct *R = (XawListReturnStruct *) call_data;
- if (w == hist->mvn || w == hist->mvw) {
- to=2*R->list_index-1;
- ToNrEvent(to);
- }
- else if (w == hist->mvb) {
- to=2*R->list_index;
- ToNrEvent(to);
- }
+ SetWidgetText(&historyOptions[0], "", HistoryDlg);
}
-void HistoryAlloc(int len){
- int i;
- if(hist){
- free(hist->Nr[0]);free(hist->white[0]);free(hist->black[0]);
- free(hist->Nr);free(hist->white);free(hist->black);
- }
- else{
- hist=(struct History*)malloc(sizeof(struct History));
- }
- hist->aNr=len;
- hist->Nr=(String*)malloc(hist->aNr*sizeof(String*));
- hist->white=(String*)malloc(hist->aNr*sizeof(String*));
- hist->black=(String*)malloc(hist->aNr*sizeof(String*));
-
- hist->Nr[0]=(String)malloc(hist->aNr*6);
- hist->white[0]=(String)malloc(hist->aNr*MOVE_LEN);
- hist->black[0]=(String)malloc(hist->aNr*MOVE_LEN);
-
- sprintf(hist->Nr[0]," ");
- sprintf(hist->white[0],_("White "));
- sprintf(hist->black[0],_("Black "));
- for(i=1;i<hist->aNr;i++){
- hist->Nr[i]= hist->Nr[i-1]+6;
- hist->white[i]= hist->white[i-1]+MOVE_LEN;
- hist->black[i]= hist->black[i-1]+MOVE_LEN;
- sprintf(hist->Nr[i],"%i.",i);
- sprintf(hist->white[i],"-----");
- sprintf(hist->black[i],"-----");
- }
+// the bold argument says 0 = normal, 1 = bold typeface
+// the colorNr argument says 0 = font-default, 1 = gray
+int
+AppendToHistoryMemo (char * text, int bold, int colorNr)
+{
+ return AppendText(&historyOptions[0], text); // for now ignore bold & color stuff, as Xaw cannot handle that
}
-
-/* Find empty space inside vbox form widget and redistribute it amongst
- the list widgets inside it. */
-/* This version sort of works */
void
-HistoryFill()
+ScrollToCurrent (int caretPos)
{
- Dimension w, bw;
- long extra;
- Position x, x1, x2;
- int j, dd;
- Arg args[16];
-
- j = 0;
- XtSetArg(args[j], XtNx, &x); j++;
- XtSetArg(args[j], XtNwidth, &w); j++;
- XtSetArg(args[j], XtNborderWidth, &bw); j++;
- XtGetValues(hist->mvb, args, j);
- x1 = x + w + 2*bw;
-
- j = 0;
- XtSetArg(args[j], XtNwidth, &w); j++;
- XtSetArg(args[j], XtNdefaultDistance, &dd); j++;
- XtGetValues(hist->vbox, args, j);
- x2 = w - dd;
-
- extra = x2 - x1;
- if (extra < 0) {
- extra = -((-extra)/2);
- } else {
- extra = extra/2;
- }
-
- j = 0;
- XtSetArg(args[j], XtNwidth, &w); j++;
- XtGetValues(hist->mvw, args, j);
- w += extra;
- j = 0;
- XtSetArg(args[j], XtNwidth, w); j++;
- XtSetValues(hist->mvw, args, j);
-
- j = 0;
- XtSetArg(args[j], XtNwidth, &w); j++;
- XtGetValues(hist->mvb, args, j);
- w += extra;
- j = 0;
- XtSetArg(args[j], XtNwidth, w); j++;
- XtSetValues(hist->mvb, args, j);
-}
-
-void HistorySet(char movelist[][2*MOVE_LEN],int first,int last,int current){
- int i,b,m;
- if(hist){
- if(last >= hist->aNr) HistoryAlloc(last+_LL_);
- for(i=0;i<last;i++) {
- if((i%2)==0) {
- if(movelist[i][0]) {
- char* p = strchr(movelist[i], ' ');
- if (p) {
- strncpy(hist->white[i/2+1], movelist[i], p-movelist[i]);
- hist->white[i/2+1][p-movelist[i]] = NULLCHAR;
- } else {
- safeStrCpy(hist->white[i/2+1],movelist[i], sizeof(hist->white[i/2+1])/sizeof(hist->white[i/2+1][0]));
- }
- } else {
- safeStrCpy(hist->white[i/2+1],dots, sizeof(hist->white[i/2+1])/sizeof(hist->white[i/2+1][0]));
- }
- } else {
- if(movelist[i][0]) {
- char* p = strchr(movelist[i], ' ');
- if (p) {
- strncpy(hist->black[i/2+1], movelist[i], p-movelist[i]);
- hist->black[i/2+1][p-movelist[i]] = NULLCHAR;
- } else {
- safeStrCpy(hist->black[i/2+1],movelist[i], sizeof(hist->black[i/2+1])/sizeof(hist->black[i/2+1][0]));
- }
- } else {
- safeStrCpy(hist->black[i/2+1],"", sizeof(hist->black[i/2+1])/sizeof(hist->black[i/2+1][0]));
- }
- }
- }
- safeStrCpy(hist->black[last/2+1],"", sizeof(hist->black[last/2+1])/sizeof(hist->black[last/2+1][0]));
- b=first/2;
- m=(last+3)/2-b;
- XawFormDoLayout(hist->vbox, False);
- XawListChange(hist->mvn,hist->Nr+b,m,0,True);
- XawListChange(hist->mvw,hist->white+b,m,0,True);
- XawListChange(hist->mvb,hist->black+b,m,0,True);
- HistoryFill();
- XawFormDoLayout(hist->vbox, True);
- if(current<0){
- XawListUnhighlight(hist->mvw);
- XawListUnhighlight(hist->mvb);
- }
- else if((current%2)==0){
- XawListHighlight(hist->mvw, current/2+1);
- XawListUnhighlight(hist->mvb);
- }
- else{
- XawListUnhighlight(hist->mvw);
- if(current) XawListHighlight(hist->mvb, current/2+1);
- else XawListUnhighlight(hist->mvb);
+ Arg args[10];
+ char *s;
+ int len;
+ GetWidgetText(&historyOptions[0], &s);
+ len = strlen(s);
+ if(caretPos < 0 || caretPos > len) caretPos = len;
+ if(caretPos > len-30) { // scroll to end, which causes no flicker
+ static XEvent event;
+ XtCallActionProc(historyOptions[0].handle, "end-of-file", &event, NULL, 0);
+ return;
}
- }
- EvalGraphSet( first, last, current, pvInfoList ); // piggy-backed
+ // the following leads to a very annoying flicker, even when no scrolling is done at all.
+ XtSetArg(args[0], XtNinsertPosition, caretPos); // this triggers scrolling in Xaw
+ XtSetArg(args[1], XtNdisplayCaret, False);
+ XtSetValues(historyOptions[0].handle, args, 2);
}
-Widget HistoryCreate()
-{
- Arg args[16];
- int i,j;
-
- Widget layout,form,b_close;
- String trstr=
- "<Key>Up: BackwardProc() \n \
- <Key>Left: BackwardProc() \n \
- <Key>Down: ForwardProc() \n \
- <Key>Right: ForwardProc() \n";
- /*--- allocate memory for move-strings ---*/
- HistoryAlloc(_LL_);
-
- /*-------- create the widgets ---------------*/
- j = 0;
- XtSetArg(args[j], XtNresizable, True); j++;
- XtSetArg(args[j], XtNallowShellResize, True); j++;
-#if TOPLEVEL
- hist->sh = historyShell =
- XtCreatePopupShell(_("Move list"), topLevelShellWidgetClass,
- shellWidget, args, j);
-#else
- hist->sh = historyShell =
- XtCreatePopupShell(_("Move list"), transientShellWidgetClass,
- shellWidget, args, j);
-#endif
- j = 0;
- XtSetArg(args[j], XtNborderWidth, 0); j++;
- XtSetArg(args[j], XtNdefaultDistance, 0); j++;
- layout =
- XtCreateManagedWidget(layoutName, formWidgetClass, hist->sh,
- args, j);
-
- j = 0;
- XtSetArg(args[j], XtNborderWidth, 0); j++;
- XtSetArg(args[j], XtNresizable, True); j++;
-
- form =
- XtCreateManagedWidget("form", formWidgetClass, layout, args, j);
-
- j = 0;
- XtSetArg(args[j], XtNtop, XtChainTop); j++;
- XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
- XtSetArg(args[j], XtNleft, XtChainLeft); j++;
- XtSetArg(args[j], XtNright, XtChainRight); j++;
-
- XtSetArg(args[j], XtNborderWidth, 1); j++;
- XtSetArg(args[j], XtNresizable, False); j++;
- XtSetArg(args[j], XtNallowVert, True); j++;
- XtSetArg(args[j], XtNallowHoriz, True); j++;
- XtSetArg(args[j], XtNforceBars, False); j++;
- XtSetArg(args[j], XtNheight, 280); j++;
- hist->viewport =
- XtCreateManagedWidget("viewport", viewportWidgetClass,
- form, args, j);
- j=0;
- XtSetArg(args[j], XtNborderWidth, 0); j++;
- XtSetArg(args[j], XtNorientation,XtorientHorizontal);j++;
- hist->vbox =
- XtCreateManagedWidget("vbox", formWidgetClass, hist->viewport, args, j);
-
- j=0;
- XtSetArg(args[j], XtNtop, XtChainTop); j++;
- XtSetArg(args[j], XtNbottom, XtChainTop); j++;
- XtSetArg(args[j], XtNleft, XtChainLeft); j++;
- XtSetArg(args[j], XtNright, XtChainLeft); j++;
-
- XtSetArg(args[j], XtNdefaultColumns, 1); j++;
- XtSetArg(args[j], XtNforceColumns, True); j++;
- XtSetArg(args[j], XtNverticalList, True); j++;
- XtSetArg(args[j], XtNborderWidth, 0); j++;
- XtSetArg(args[j], XtNresizable,True);j++;
- XtSetArg(args[j], XtNleft, XtChainLeft); j++;
- hist->mvn = XtCreateManagedWidget("movesn", listWidgetClass,
- hist->vbox, args, j);
- XtAddCallback(hist->mvn, XtNcallback, HistoryMoveProc, (XtPointer) hist);
- j=0;
- XtSetArg(args[j], XtNtop, XtChainTop); j++;
- XtSetArg(args[j], XtNbottom, XtChainTop); j++;
- XtSetArg(args[j], XtNleft, XtChainLeft); j++;
- XtSetArg(args[j], XtNright, XtRubber); j++;
+// ------------------------------ callbacks --------------------------
- XtSetArg(args[j], XtNdefaultColumns, 1); j++;
- XtSetArg(args[j], XtNforceColumns, True); j++;
- XtSetArg(args[j], XtNverticalList, True); j++;
- XtSetArg(args[j], XtNborderWidth, 0); j++;
- XtSetArg(args[j], XtNresizable,True);j++;
- XtSetArg(args[j], XtNfromHoriz, hist->mvn); j++;
- hist->mvw = XtCreateManagedWidget("movesw", listWidgetClass,
- hist->vbox, args, j);
- XtAddCallback(hist->mvw, XtNcallback, HistoryMoveProc, (XtPointer) hist);
+char *historyText;
+char historyTranslations[] =
+"<Btn3Down>: select-start() \n \
+<Btn3Up>: extend-end() SelectMove() \n";
- j=0;
- XtSetArg(args[j], XtNtop, XtChainTop); j++;
- XtSetArg(args[j], XtNbottom, XtChainTop); j++;
- XtSetArg(args[j], XtNleft, XtRubber); j++;
- XtSetArg(args[j], XtNright, XtRubber); j++;
-
- XtSetArg(args[j], XtNdefaultColumns, 1); j++;
- XtSetArg(args[j], XtNforceColumns, True); j++;
- XtSetArg(args[j], XtNverticalList, True); j++;
- XtSetArg(args[j], XtNborderWidth, 0); j++;
- XtSetArg(args[j], XtNresizable,True);j++;
- XtSetArg(args[j], XtNfromHoriz, hist->mvw); j++;
- hist->mvb = XtCreateManagedWidget("movesb", listWidgetClass,
- hist->vbox, args, j);
- XtAddCallback(hist->mvb, XtNcallback, HistoryMoveProc, (XtPointer) hist);
-
- j=0;
- XtSetArg(args[j], XtNbottom, XtChainBottom); j++;
- XtSetArg(args[j], XtNtop, XtChainBottom); j++;
- XtSetArg(args[j], XtNleft, XtChainLeft); j++;
- XtSetArg(args[j], XtNright, XtChainLeft); j++;
- XtSetArg(args[j], XtNfromVert, hist->viewport); j++;
- b_close= XtCreateManagedWidget(_("Close"), commandWidgetClass,
- form, args, j);
- XtAddCallback(b_close, XtNcallback, HistoryPopDown, (XtPointer) 0);
-
- XtAugmentTranslations(hist->sh,XtParseTranslationTable (trstr));
+void
+SelectMove (Widget w, XEvent * event, String * params, Cardinal * nParams)
+{
+ XawTextPosition index, dummy;
- XtRealizeWidget(hist->sh);
- CatchDeleteWindow(hist->sh, "HistoryPopDown");
+ XawTextGetSelectionPos(w, &index, &dummy);
+ FindMoveByCharIndex( index ); // [HGM] also does the actual moving to it, now
+}
- for(i=1;i<hist->aNr;i++){
- safeStrCpy(hist->white[i],dots, sizeof(hist->white[i])/sizeof(hist->white[i][0]));
- safeStrCpy(hist->black[i],"", sizeof(hist->black[i])/sizeof(hist->black[i][0]));
- }
+Option historyOptions[] = {
+{ 200, T_VSCRL | T_FILL | T_WRAP | T_TOP, 400, NULL, (void*) &historyText, "", NULL, TextBox, "" },
+{ 0, NO_OK, 0, NULL, (void*) NULL, "", NULL, EndMark , "" }
+};
- if(wpMoveHistory.width > 0) {
- gameHistoryW = wpMoveHistory.width;
- gameHistoryH = wpMoveHistory.height;
- gameHistoryX = wpMoveHistory.x;
- gameHistoryY = wpMoveHistory.y;
- }
+// ------------ standard entry points into MoveHistory code -----------
- // [HGM] restore old position
- if(gameHistoryW > 0) {
- j = 0;
- XtSetArg(args[j], XtNx, gameHistoryX); j++;
- XtSetArg(args[j], XtNy, gameHistoryY); j++;
- XtSetArg(args[j], XtNwidth, gameHistoryW); j++;
- XtSetArg(args[j], XtNheight, gameHistoryH); j++;
- XtSetValues(hist->sh, args, j);
- }
- XtRealizeWidget(hist->sh);
+Boolean
+MoveHistoryIsUp ()
+{
+ return shellUp[HistoryDlg];
+}
- return hist->sh;
+Boolean
+MoveHistoryDialogExists ()
+{
+ return DialogExists(HistoryDlg);
}
void
-HistoryPopUp()
+HistoryPopUp ()
{
- Arg args[16];
- int j;
-
- if(!hist) HistoryCreate();
-
- XtPopup(hist->sh, XtGrabNone);
-
- j=0;
- XtSetArg(args[j], XtNleftBitmap, xMarkPixmap); j++;
- XtSetValues(XtNameToWidget(menuBarWidget, "menuMode.Show Move History"),
- args, j);
- hist->Up=True;
+ if(GenericPopUp(historyOptions, _("Move list"), HistoryDlg, BoardWindow, NONMODAL, 1))
+ AddHandler(&historyOptions[0], 0);
+ MarkMenu("View.MoveHistory", HistoryDlg);
}
-
void
-HistoryShowProc(w, event, prms, nprms)
- Widget w;
- XEvent *event;
- String *prms;
- Cardinal *nprms;
+HistoryShowProc ()
{
- if (!hist) {
- HistoryCreate();
+ if (!shellUp[HistoryDlg]) {
+ ASSIGN(historyText, "");
HistoryPopUp();
- } else if (hist->Up) {
- HistoryPopDown(0,0,0);
- } else {
- HistoryPopUp();
- }
+ RefreshMemoContent();
+ MemoContentUpdated();
+ } else PopDown(HistoryDlg);
ToNrEvent(currentMove);
}
-
-Boolean
-MoveHistoryIsUp()
-{
- return hist && hist->Up;
-}