2 * New (WinBoard-style) Move history for XBoard
4 * ------------------------------------------------------------------------
6 * GNU XBoard is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or (at
9 * your option) any later version.
11 * GNU XBoard is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see http://www.gnu.org/licenses/.
19 * ------------------------------------------------------------------------
20 ** See the file ChangeLog for a revision history. */
28 #include <X11/Intrinsic.h>
29 #include <X11/StringDefs.h>
30 #include <X11/Shell.h>
31 #include <X11/Xaw/Dialog.h>
32 #include <X11/Xaw/Form.h>
33 #include <X11/Xaw/List.h>
34 #include <X11/Xaw/Label.h>
35 #include <X11/Xaw/SimpleMenu.h>
36 #include <X11/Xaw/SmeBSB.h>
37 #include <X11/Xaw/SmeLine.h>
38 #include <X11/Xaw/Box.h>
39 #include <X11/Xaw/Paned.h>
40 #include <X11/Xaw/MenuButton.h>
41 #include <X11/cursorfont.h>
42 #include <X11/Xaw/Text.h>
43 #include <X11/Xaw/AsciiText.h>
44 #include <X11/Xaw/Viewport.h>
45 #include <X11/Xatom.h>
46 #include <X11/Xmu/Atoms.h>
56 # define _(s) gettext (s)
57 # define N_(s) gettext_noop (s)
63 // templates for calls into back-end (= history.c; should be moved to history.h header shared with it!)
64 void RefreshMemoContent P((void));
65 void MemoContentUpdated P((void));
66 void FindMoveByCharIndex P(( int char_index ));
67 void MoveHistorySet P(( char movelist[][2*MOVE_LEN], int first, int last, int current, ChessProgramStats_Move * pvInfo ));
69 // variables in xoptions.c
70 extern Option historyOptions[];
72 // ------------- low-level front-end actions called by MoveHistory back-end -----------------
74 void HighlightMove( int from, int to, Boolean highlight )
77 XawTextSetSelection( historyOptions[0].handle, from, to ); // for lack of a better method, use selection for highighting
80 void ClearHistoryMemo()
82 ClearTextWidget(&historyOptions[0]);
85 // the bold argument says 0 = normal, 1 = bold typeface
86 // the colorNr argument says 0 = font-default, 1 = gray
87 int AppendToHistoryMemo( char * text, int bold, int colorNr )
89 return AppendText(&historyOptions[0], text); // for now ignore bold & color stuff, as Xaw cannot handle that
92 void ScrollToCurrent(int caretPos)
97 GetWidgetText(&historyOptions[0], &s);
99 if(caretPos < 0 || caretPos > len) caretPos = len;
100 if(caretPos > len-30) { // scroll to end, which causes no flicker
102 XtCallActionProc(historyOptions[0].handle, "end-of-file", &event, NULL, 0);
105 // the following leads to a very annoying flicker, even when no scrolling is done at all.
106 XtSetArg(args[0], XtNinsertPosition, caretPos); // this triggers scrolling in Xaw
107 XtSetArg(args[1], XtNdisplayCaret, False);
108 XtSetValues(historyOptions[0].handle, args, 2);
112 // ------------------------------ callbacks --------------------------
115 char historyTranslations[] =
116 "<Btn3Down>: select-start() \n \
117 <Btn3Up>: extend-end() SelectMove() \n";
120 SelectMove (Widget w, XEvent * event, String * params, Cardinal * nParams)
122 XawTextPosition index, dummy;
124 XawTextGetSelectionPos(w, &index, &dummy);
125 FindMoveByCharIndex( index ); // [HGM] also does the actual moving to it, now
128 Option historyOptions[] = {
129 { 0xD, 200, 400, NULL, (void*) &historyText, "", NULL, TextBox, "" },
130 { 0, 2, 0, NULL, (void*) NULL, "", NULL, EndMark , "" }
133 // ------------ standard entry points into MoveHistory code -----------
135 Boolean MoveHistoryIsUp()
140 Boolean MoveHistoryDialogExists()
142 return shells[7] != NULL;
147 if(GenericPopUp(historyOptions, _("Move list"), 7))
148 XtOverrideTranslations(historyOptions[0].handle, XtParseTranslationTable(historyTranslations));
149 MarkMenu("menuView.Show Move History", 7);
153 HistoryShowProc(w, event, prms, nprms)
160 ASSIGN(historyText, "");
162 RefreshMemoContent();
163 MemoContentUpdated();
165 ToNrEvent(currentMove);
168 // duplicate of code in winboard.c, so an move to back-end!
169 void EvalGraphSet P(( int first, int last, int current, ChessProgramStats_Move * pvInfo ));
170 void MakeEngineOutputTitle P(());
173 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
175 MoveHistorySet( movelist, first, last, current, pvInfoList );
177 EvalGraphSet( first, last, current, pvInfoList );
179 MakeEngineOutputTitle();