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. */
27 #include <X11/Intrinsic.h>
28 #include <X11/StringDefs.h>
29 #include <X11/Shell.h>
30 #include <X11/Xaw/Dialog.h>
31 #include <X11/Xaw/Form.h>
32 #include <X11/Xaw/List.h>
33 #include <X11/Xaw/Label.h>
34 #include <X11/Xaw/SimpleMenu.h>
35 #include <X11/Xaw/SmeBSB.h>
36 #include <X11/Xaw/SmeLine.h>
37 #include <X11/Xaw/Box.h>
38 #include <X11/Xaw/Paned.h>
39 #include <X11/Xaw/MenuButton.h>
40 #include <X11/cursorfont.h>
41 #include <X11/Xaw/Text.h>
42 #include <X11/Xaw/AsciiText.h>
43 #include <X11/Xaw/Viewport.h>
44 #include <X11/Xatom.h>
45 #include <X11/Xmu/Atoms.h>
55 # define _(s) gettext (s)
56 # define N_(s) gettext_noop (s)
62 // templates for calls into back-end (= history.c; should be moved to history.h header shared with it!)
63 void RefreshMemoContent P((void));
64 void MemoContentUpdated P((void));
65 void FindMoveByCharIndex P(( int char_index ));
66 void MoveHistorySet P(( char movelist[][2*MOVE_LEN], int first, int last, int current, ChessProgramStats_Move * pvInfo ));
68 // variables in xoptions.c
69 extern Option historyOptions[];
71 // ------------- low-level front-end actions called by MoveHistory back-end -----------------
73 void HighlightMove( int from, int to, Boolean highlight )
76 XawTextSetSelection( historyOptions[0].handle, from, to ); // for lack of a better method, use selection for highighting
79 void ClearHistoryMemo()
81 ClearTextWidget(&historyOptions[0]);
84 // the bold argument says 0 = normal, 1 = bold typeface
85 // the colorNr argument says 0 = font-default, 1 = gray
86 int AppendToHistoryMemo( char * text, int bold, int colorNr )
88 return AppendText(&historyOptions[0], text); // for now ignore bold & color stuff, as Xaw cannot handle that
91 void ScrollToCurrent(int caretPos)
96 GetWidgetText(&historyOptions[0], &s);
98 if(caretPos < 0 || caretPos > len) caretPos = len;
99 if(caretPos > len-30) { // scroll to end, which causes no flicker
101 XtCallActionProc(historyOptions[0].handle, "end-of-file", &event, NULL, 0);
104 // the following leads to a very annoying flicker, even when no scrolling is done at all.
105 XtSetArg(args[0], XtNinsertPosition, caretPos); // this triggers scrolling in Xaw
106 XtSetArg(args[1], XtNdisplayCaret, False);
107 XtSetValues(historyOptions[0].handle, args, 2);
111 // ------------------------------ callbacks --------------------------
114 char historyTranslations[] =
115 "<Btn3Down>: select-start() \n \
116 <Btn3Up>: extend-end() SelectMove() \n";
119 SelectMove (Widget w, XEvent * event, String * params, Cardinal * nParams)
121 XawTextPosition index, dummy;
123 XawTextGetSelectionPos(w, &index, &dummy);
124 FindMoveByCharIndex( index ); // [HGM] also does the actual moving to it, now
127 Option historyOptions[] = {
128 { 0xD, 200, 400, NULL, (void*) &historyText, "", NULL, TextBox, "" },
129 { 0, 2, 0, NULL, (void*) NULL, "", NULL, EndMark , "" }
132 // ------------ standard entry points into MoveHistory code -----------
134 Boolean MoveHistoryIsUp()
139 Boolean MoveHistoryDialogExists()
141 return shells[7] != NULL;
146 if(GenericPopUp(historyOptions, _("Move list"), 7))
147 XtOverrideTranslations(historyOptions[0].handle, XtParseTranslationTable(historyTranslations));
148 MarkMenu("menuView.Show Move History", 7);
152 HistoryShowProc(w, event, prms, nprms)
159 ASSIGN(historyText, "");
161 RefreshMemoContent();
162 MemoContentUpdated();
164 ToNrEvent(currentMove);
167 // duplicate of code in winboard.c, so an move to back-end!
168 void EvalGraphSet P(( int first, int last, int current, ChessProgramStats_Move * pvInfo ));
169 void MakeEngineOutputTitle P(());
172 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
174 MoveHistorySet( movelist, first, last, current, pvInfoList );
176 EvalGraphSet( first, last, current, pvInfoList );
178 MakeEngineOutputTitle();