X-Git-Url: http://winboard.nl/cgi-bin?p=xboard.git;a=blobdiff_plain;f=dialogs.c;h=9b4870423bd6e816db4495eb8b7eecdf32dc4d8a;hp=5eb368761cee93d46239f152a3eb846d9bc76d5e;hb=HEAD;hpb=cd09c1f0a427cdce02abb65d05dc7279a1557c99

diff --git a/dialogs.c b/dialogs.c
index 5eb3687..9b48704 100644
--- a/dialogs.c
+++ b/dialogs.c
@@ -66,6 +66,7 @@ extern char *getenv();
 
 int values[MAX_OPTIONS];
 ChessProgramState *currentCps;
+char manDir[MSG_SIZ] = MANDIR;
 
 //----------------------------Generic dialog --------------------------------------------
 
@@ -545,7 +546,7 @@ Pick (int n)
 	}
 
 	gameInfo.variant = v;
-	appData.variant = VariantName(v);
+	ASSIGN(appData.variant, VariantName(v));
 
 	shuffleOpenings = FALSE; /* [HGM] shuffle: possible shuffle reset when we switch */
 	startedFromPositionFile = FALSE; /* [HGM] loadPos: no longer valid in new variant */
@@ -554,8 +555,9 @@ Pick (int n)
 	appData.NrFiles = filesTmp;
 	appData.holdingsSize = sizeTmp;
 	appData.pieceToCharTable = NULL;
-	appData.pieceNickNames = "";
-	appData.colorNickNames = "";
+	ASSIGN(appData.pieceNickNames, "");
+	ASSIGN(appData.colorNickNames, "");
+	ASSIGN(appData.men, "");
         PopDown(TransientDlg);
 	Reset(True, True);
         return;
@@ -623,9 +625,9 @@ CommonOptionsOK (int n)
 static Option commonEngineOptions[] = {
 { 0,  0,    0, NULL, (void*) &appData.ponderNextMove, "", NULL, CheckBox, N_("Ponder Next Move") },
 { 0,  0, 1000, NULL, (void*) &appData.smpCores, "", NULL, Spin, N_("Maximum Number of CPUs per Engine:") },
-{ 0,  0,    0, NULL, (void*) &appData.polyglotDir, "", NULL, PathName, N_("Polygot Directory:") },
+{ 0,  0,    0, NULL, (void*) &appData.polyglotDir, NULL, NULL, PathName, N_("Polygot Directory:") },
 { 0,  0,16000, NULL, (void*) &appData.defaultHashSize, "", NULL, Spin, N_("Hash-Table Size (MB):") },
-{ 0,  0,    0, NULL, (void*) &egtPath, "", NULL, PathName, N_("EGTB Path:") },
+{ 0,  0,    0, NULL, (void*) &egtPath, NULL, NULL, PathName, N_("EGTB Path:") },
 { 0,  0, 1000, NULL, (void*) &appData.defaultCacheSizeEGTB, "", NULL, Spin, N_("EGTB Cache Size (MB):") },
 { 0,  0,    0, NULL, (void*) &appData.usePolyglotBook, "", NULL, CheckBox, N_("Use GUI Book") },
 { 0,  0,    0, NULL, (void*) &appData.polyglotBook, ".bin", NULL, FileName, N_("Opening-Book Filename:") },
@@ -939,10 +941,10 @@ static Option boardOptions[] = {
 { 0, 0, 200, NULL, (void*) &appData.logoSize, "", NULL, Spin, N_("Logo Size (0=off, requires restart):") },
 { 0,-1, 5, NULL, (void*) &appData.overrideLineGap, "", NULL, Spin, N_("Line Gap (-1 = default for board size):") },
 { 0, 0, 0, NULL, (void*) &appData.useBitmaps, "", NULL, CheckBox, N_("Use Board Textures") },
-{ 0, 0, 0, NULL, (void*) &appData.liteBackTextureFile, ".png", NULL, FileName, N_("Light-Squares Texture File:") },
-{ 0, 0, 0, NULL, (void*) &appData.darkBackTextureFile, ".png", NULL, FileName, N_("Dark-Squares Texture File:") },
+{ 0, 0, 0, NULL, (void*) &appData.darkBackTextureFile, ".png", (char**)(intptr_t) 1, FileName, N_("Dark-Squares Texture File:") },
+{ 0, 0, 0, NULL, (void*) &appData.liteBackTextureFile, ".png", (char**)(intptr_t) 2, FileName, N_("Light-Squares Texture File:") },
 { 0, 0, 0, NULL, (void*) &appData.trueColors, "", NULL, CheckBox, N_("Use external piece bitmaps with their own colors") },
-{ 0, 0, 0, NULL, (void*) &appData.pieceDirectory, "", NULL, PathName, N_("Directory with Pieces Images:") },
+{ 0, 0, 0, NULL, (void*) &appData.pieceDirectory, "",  (char**)(intptr_t) 3, PathName, N_("Directory with Pieces Images:") },
 { 0, 0, 0, NULL, (void*) &BoardOptionsOK, "", NULL, EndMark , "" }
 };
 
@@ -1039,6 +1041,7 @@ void
 SendString (char *p)
 {
     char buf[MSG_SIZ], buf2[MSG_SIZ], *q;
+
     if(q = strstr(p, "$name")) { // in Xaw this is already intercepted
 	if(!shellUp[TextMenuDlg] || !clickedWord[0]) return;
 	strncpy(buf2, p, MSG_SIZ);
@@ -1221,9 +1224,9 @@ NewMove ()
     addToBookFlag = !addToBookFlag;
 }
 
-static Option tagsOptions[] = {
+Option tagsOptions[] = {
 {   0,   0,   0, NULL, NULL, NULL, NULL, Label,  NULL },
-{ 200, T_VSCRL | T_FILL | T_WRAP | T_TOP, 200, NULL, (void*) &tagsText, NULL, (char **) &TagsClick, TextBox, "", &appData.tagsFont },
+{ 200, T_VSCRL | T_FILL | T_TOP, 200, NULL, (void*) &tagsText, NULL, (char **) &TagsClick, TextBox, "", &appData.tagsFont },
 {   0,   0, 100, NULL, (void*) &NewMove,    NULL, NULL, Button, N_("add next move") },
 { 0,SAME_ROW,100,NULL, (void*) &changeTags, NULL, NULL, Button, N_("commit changes") },
 { 0,SAME_ROW, 0, NULL, (void*) &NewTagsCallback, "", NULL, EndMark , "" }
@@ -1259,7 +1262,7 @@ NewTagsPopup (char *text, char *msg, char *ttl)
     if(tagsText) free(tagsText); tagsText = strdup(text);
     tagsOptions[0].name = msg;
     MarkMenu("View.Tags", TagsDlg);
-    GenericPopUp(tagsOptions, title, TagsDlg, BoardWindow, NONMODAL, appData.topLevel);
+    GenericPopUp(tagsOptions + (msg == NULL), title, TagsDlg, BoardWindow, NONMODAL, appData.topLevel);
 }
 
 void
@@ -1276,11 +1279,11 @@ EditTagsPopUp (char *tags, char **dest)
 }
 
 void
-EditEnginePopUp (char *tags, char **dest)
+EditAnyPopUp (char *tags, char **dest, char *title)
 {   // wrapper to preserve old name used in back-end
     TagsPopDown();
     resPtr = dest; 
-    NewTagsPopup(tags, NULL, _("Registered Engines"));
+    NewTagsPopup(tags, NULL, title);
 }
 
 void
@@ -1310,10 +1313,12 @@ char *icsText;
 #define HISTORY_SIZE 64
 static char *history[HISTORY_SIZE];
 static int histIn = 0, histP = 0;
+static Boolean noEcho;
 
 static void
 SaveInHistory (char *cmd)
 {
+  if(noEcho) return; // do not save password!
   if (history[histIn] != NULL) {
     free(history[histIn]);
     history[histIn] = NULL;
@@ -1603,10 +1608,10 @@ static Option shuffleOptions[] = {
 static void
 SetRandom (int n)
 {
-    int r = n==2 ? -1 : random() & (1<<30)-1;
+    int r = n==3 ? -1 : random() & (1<<30)-1;
     char buf[MSG_SIZ];
     snprintf(buf, MSG_SIZ,  "%d", r);
-    SetWidgetText(&shuffleOptions[1], buf, TransientDlg);
+    SetWidgetText(&shuffleOptions[2], buf, TransientDlg);
     SetWidgetState(&shuffleOptions[0], True);
 }
 
@@ -1616,6 +1621,154 @@ ShuffleMenuProc ()
     GenericPopUp(shuffleOptions, _("New Shuffle Game"), TransientDlg, BoardWindow, MODAL, 0);
 }
 
+//--------------------------------------------------- Fonts ------------------------------
+
+static void AdjustFont P((int n));
+
+static char *oldFont[7];
+
+static int
+NewFont (int n, int fnr, char *font)
+{   // figure out if font changed, and if so, store it in the fonts table as a side effect
+    if(!strcmp(oldFont[n], font)) return 0; // not changed
+    ASSIGN(fontTable[fnr][initialSquareSize], font);
+    fontIsSet[fnr] = fontValid[fnr][initialSquareSize] = True;
+    return 1; // changed
+}
+
+static int
+FontsOK (int n)
+{
+    int i;
+    PopDown(TransientDlg); // Early popdown to prevent expose events frommasking each other
+    LockBoardSize(0);
+    if(NewFont(0, CLOCK_FONT,   appData.clockFont)) DisplayBothClocks();
+    if(NewFont(1, MESSAGE_FONT, appData.font)) {
+	ApplyFont(&mainOptions[W_MESSG], NULL);
+	for(i=1; i<6; i++) ApplyFont(&mainOptions[W_BUTTON+i], NULL);
+    }
+    LockBoardSize(1); // unlock
+    if(NewFont(3, EDITTAGS_FONT,    appData.tagsFont))    ApplyFont(&tagsOptions[1], NULL);
+    if(NewFont(4, COMMENT_FONT,     appData.commentFont)) ApplyFont(&commentOptions[0], NULL);
+    if(NewFont(5, MOVEHISTORY_FONT, appData.historyFont)) {
+	ApplyFont(&historyOptions[0], NULL);
+	ApplyFont(&engoutOptions[5], NULL);
+	ApplyFont(&engoutOptions[12], NULL);
+    }
+    if(NewFont(6, GAMELIST_FONT, appData.gameListFont)) ApplyFont(&gamesOptions[0], NULL);
+    if(NewFont(2, CONSOLE_FONT,  appData.icsFont)) {
+	ApplyFont(&chatOptions[11], appData.icsFont);
+	AppendColorized(&chatOptions[6], NULL, 0); // kludge to replace font tag
+    }
+    DrawPosition(TRUE, NULL); // for coord font
+    return 0; // suppress normal popdown because already done
+}
+
+static Option fontOptions[] = {
+  { 0,        60, 200, NULL, (void*) &appData.clockFont, NULL, NULL, TextBox, N_("Clocks (requires restart):") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  { 0,         60, 70, NULL, (void*) &appData.font, NULL, NULL, TextBox, N_("Message (above board):") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  { 0,         60, 70, NULL, (void*) &appData.icsFont, NULL, NULL, TextBox, N_("ICS Chat/Console:") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  { 0,         60, 70, NULL, (void*) &appData.tagsFont, NULL, NULL, TextBox, N_("Edit tags / book / engine list:") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  { 0,         60, 70, NULL, (void*) &appData.commentFont, NULL, NULL, TextBox, N_("Edit comments:") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  { 0,         60, 70, NULL, (void*) &appData.historyFont, NULL, NULL, TextBox, N_("Move history / Engine Output:") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  { 0,         60, 70, NULL, (void*) &appData.gameListFont, NULL, NULL, TextBox, N_("Game list:") },
+  {    1, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("+") },
+  {    2, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("-") },
+  {    3, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("B") },
+  {    4, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("I") },
+  {  666, SAME_ROW, 0, NULL, (void*) &AdjustFont, NULL, NULL, Button, N_("*") },
+  {   0,  0,    0, NULL, NULL, NULL, NULL, Label, N_("\nThe * buttons will set the font to the one selected below:") },
+  {   0,  0,    0, NULL, NULL, NULL, NULL, Button, "fontsel" },
+  { 0, 0, 0, NULL, (void*) &FontsOK, "", NULL, EndMark , "" }
+};
+
+static char name[MSG_SIZ], *bold, *ital, points;
+
+static void
+BreakUp (char *font)
+{
+    char *p = name, *norm;
+    safeStrCpy(name, font, MSG_SIZ);
+    bold = StrCaseStr(name, "bold");
+    ital = StrCaseStr(name, "ital");
+    norm = StrCaseStr(name, "normal");
+    points = 0;
+    while(p && *p && !(points = atoi(p))) p = strchr(p+1, ' ');
+    if(points) p[*p == ' '] = 0;
+    if(bold) *bold = 0;
+    if(ital) *ital = 0;
+    if(norm) *norm = 0;
+}
+
+static void
+Collect ()
+{
+    if(bold) strcat(name, "Bold ");
+    if(ital) strcat(name, "Italic ");
+    if(!ital && !bold && strlen(name) < 2) strncpy(name, "Normal ", MSG_SIZ);
+    if(points) sprintf(name + strlen(name), "%d", points); else strcat(name, "%d");
+}
+
+static void
+AdjustFont (int n)
+{
+    int button = fontOptions[n].value, base = n - button;
+    char *oldFont;
+    GetWidgetText(&fontOptions[base], &oldFont);
+    BreakUp(oldFont); // take apart old font name
+    switch(button) {
+      case 1: points++; break;
+      case 2: points--; break;
+      case 3: if(bold) bold = NULL; else bold = name; break;
+      case 4: if(ital) ital = NULL; else ital = name; break;
+    }
+    Collect();
+    SetWidgetText(&fontOptions[base], name, TransientDlg);
+    ApplyFont(&fontOptions[base], name);
+}
+
+void
+FontsProc ()
+{
+    int i;
+    if(strstr(appData.font, "-*-")) { DisplayNote(_("This only works in the GTK build")); return; }
+    GenericPopUp(fontOptions, _("Fonts"), TransientDlg, BoardWindow, MODAL, 0);
+    for(i=0; i<7; i++) {
+	ApplyFont(&fontOptions[6*i], *(char**)fontOptions[6*i].target);
+	ASSIGN(oldFont[i], *(char**)fontOptions[6*i].target);
+    }
+}
+
 //------------------------------------------------------ Time Control -----------------------------------
 
 static int TcOK P((int n));
@@ -2116,6 +2269,10 @@ void
 ConsoleWrite(char *message, int count)
 {
     if(shellUp[ChatDlg] && chatOptions[CHAT_ICS].type != Skip) { // in Xaw this is a no-op
+	if(*message == 7) {
+	    message++; // remove bell
+	    if(strcmp(message, "\n")) return;
+	}
 	AppendColorized(&chatOptions[CHAT_ICS], message, count);
 	SetInsertPos(&chatOptions[CHAT_ICS], 999999);
     }
@@ -2156,6 +2313,23 @@ ConsoleAutoPopUp (char *buf)
 	} else PopUpMoveDialog(*buf);
 }
 
+void
+EchoOn ()
+{
+    if(!noEcho) return;
+    system("stty echo");
+    WidgetEcho(&chatOptions[CHAT_IN], 1);
+    noEcho = False;
+}
+
+void
+EchoOff ()
+{
+    system("stty -echo");
+    WidgetEcho(&chatOptions[CHAT_IN], 0);
+    noEcho = True;
+}
+
 //--------------------------------- Game-List options dialog ------------------------------------------
 
 char *strings[LPUSERGLT_SIZE];
@@ -2277,7 +2451,7 @@ ErrorPopDown ()
     if (errorExitStatus != -1) ExitEvent(errorExitStatus);
 }
 
-static int
+int
 ErrorOK (int n)
 {
     dialogError = errorUp = False;
@@ -2426,6 +2600,120 @@ DisplayTitle (char *text)
     SetWindowTitle(text, title, icon);
 }
 
+char *textPtr;
+char *texEscapes[] = { "s-1", "s0", "&", "*(L", "*(R", NULL };
+
+int
+GetNext(FILE *f)
+{
+    if(textPtr) return *textPtr ? *textPtr++ : EOF;
+    return fgetc(f);
+}
+
+static char *
+ReadLine (FILE *f)
+{
+    static char buf[MSG_SIZ];
+    int i = 0, c;
+    while((c = GetNext(f)) != '\n') { if(c == EOF) return NULL; buf[i++] = c; }
+    buf[i] = NULLCHAR;
+    return buf;
+}
+
+void
+GetHelpText (FILE *f, char *name)
+{
+    char *line, buf[MSG_SIZ], title[MSG_SIZ], text[10000], *p = text, *q = text;
+    int len, cnt = 0;
+    while(*name == '\n') name++;
+    snprintf(buf, MSG_SIZ, ".B %s", name);
+    len = strlen(buf);
+    for(len=3; buf[len] && buf[len] != '(' && buf[len] != ':' && buf[len] != '.' && buf[len] != '?' && buf[len] != '\n'; len++);
+    buf[len] = NULLCHAR;
+    while(buf[--len] == ' ') buf[len] = NULLCHAR; len++;
+    snprintf(title, MSG_SIZ, "Help on '%s'", buf+3);
+    while((line = ReadLine(f))) {
+	if(!strncmp(line, buf, len) || !strncmp(line, ".SS ", 4) && !strncmp(line+4, buf+3, len-3)
+			      || !strncmp(line, ".IX Item \"", 10) && !strncmp(line+10, buf+3, len-3)) {
+	    while((line = ReadLine(f)) && (cnt == 0 || strncmp(line, ".B ", 3) && strncmp(line, ".SS ", 4) && strncmp(line, ".IX ", 4))) {
+		if(!*line) { *p++ = '\n'; *p++ = '\n'; q = p; continue; }
+		if(*line == '.') continue;
+		*p++ = ' '; cnt++;
+		while(*line) {
+		    if(*line < ' ') { line++; continue;}
+		    if(*line == '\\') {
+			char **esc;
+			line++;
+			for(esc = texEscapes; *esc; esc++) {
+			    len = strlen(*esc);
+			    if(!strncmp(*esc, line, len)) {
+				line += len;
+				break;
+			    }
+			}
+			continue;
+		    }
+		    if(*line == ' ' && p - q > 80) *line = '\n', q = p;
+		    *p++ = *line++;
+		}
+		if(p - text > 9900) break;
+	    }
+	    *p = NULLCHAR;
+	    ErrorPopUp(title, text, FALSE);
+	    return;
+	}
+    }
+    snprintf(text, MSG_SIZ, "No help available on '%s'\n", buf+3);
+    DisplayNote(text);
+}
+
+void
+DisplayHelp (char *name)
+{
+    static char *xboardMan, *manText[2], tidy[MSG_SIZ], engMan[MSG_SIZ];
+    char buf[MSG_SIZ], adapter[MSG_SIZ], *eng;
+    int n = 0;
+    FILE *f;
+    if(!xboardMan) {
+	xboardMan = BufferCommandOutput("man -w xboard", MSG_SIZ); // obtain path to XBoard's man file
+	if(xboardMan) xboardMan[strlen(xboardMan)-1] = NULLCHAR;   // strip off traling linefeed
+    }
+    if(currentCps) { // for engine options we have to look in engine manual
+	snprintf(buf, MSG_SIZ, "man -w ");            // get (tidied) engine name in buf
+	TidyProgramName(currentCps->program, "localhost", adapter);       // name of binary we are actually running
+	TidyProgramName(currentCps == &first ? appData.firstChessProgram : appData.secondChessProgram, "localhost", buf+7);
+	if(strcmp(buf+7, adapter) && StrCaseStr(name, adapter) == name) { // option starts with name of apparent proxy for engine
+	    safeStrCpy(buf+7, adapter, MSG_SIZ-7);    // use adapter manual
+	    name += strlen(adapter);                  // strip adapter name of option
+	    while(*name == ' ') name++;
+	}
+	if(strcmp(buf, tidy)) {                       // is different engine from last time
+	    FREE(manText[1]); manText[1] = NULL;      // so any currently held text is worthless
+	    safeStrCpy(tidy, buf, MSG_SIZ);           // remember current engine
+	    eng = BufferCommandOutput(tidy, MSG_SIZ); // obtain path to  its man file
+	    if(*eng)
+	    safeStrCpy(engMan, eng, strlen(eng));     // and remember that too
+	    else *engMan = NULLCHAR;
+	    FREE(eng);
+	}
+	safeStrCpy(buf, engMan, MSG_SIZ); n = 1;      // use engine man
+    } else snprintf(buf, MSG_SIZ, "%s", xboardMan);   // use xboard man
+    f = fopen(buf, "r");
+    if(f) {
+	char *msg = "Right-clicking menu item or dialog text pops up help on it";
+	ASSIGN(appData.suppress, msg);
+	if(strstr(buf, ".gz")) { // man file is gzipped
+	    if(!manText[n]) {    // unzipped text not buffered yet
+		snprintf(tidy, MSG_SIZ, "gunzip -c %s", buf);
+		manText[n] = BufferCommandOutput(tidy, 250000); // store unzipped in buffer
+	    }
+	    textPtr = manText[n];// use buffered unzipped text
+	} else textPtr = NULL;   // use plaintext man file directly
+	GetHelpText(f, name);
+	fclose(f);
+    } else if(currentCps) DisplayNote("No manual is installed for this engine");
+}
+
 #define PAUSE_BUTTON "P"
 #define PIECE_MENU_SIZE 18
 static String pieceMenuStrings[2][PIECE_MENU_SIZE+1] = {
@@ -2820,6 +3108,7 @@ static char *Extensions[] = {
 ".trn",
 ".bin",
 ".wav",
+".png",
 ".ini",
 ".log",
 "",
@@ -3027,10 +3316,14 @@ DirSelProc (int n, int sel)
 void
 StartDir (char *filter, char *newName)
 {
-    static char *gamesDir, *trnDir, *imgDir, *bookDir;
+    static char *gamesDir, *trnDir, *imgDir, *bookDir, *dirDir;
     static char curDir[MSG_SIZ];
     char **res = NULL;
     if(!filter || !*filter) return;
+    if(strstr(filter, "dir")) {
+	res = &dirDir;
+	if(!dirDir) dirDir= strdup(dataDir);
+    } else
     if(strstr(filter, "pgn")) res = &gamesDir; else
     if(strstr(filter, "bin")) res = &bookDir; else
     if(strstr(filter, "png")) res = &imgDir; else
@@ -3043,7 +3336,9 @@ StartDir (char *filter, char *newName)
 		ASSIGN(*res, newName);
 		for(p=*res; q=strchr(p, '/');) p = q + 1; *p = NULLCHAR;
 	    }
-	    if(*curDir) chdir(curDir);
+	}
+	if(*curDir) {
+	    chdir(curDir);
 	    *curDir = NULLCHAR;
 	} else {
 	    getcwd(curDir, MSG_SIZ);