Compile-time option to allow some prompts remember the input

Define EDIT_GETLIN to make the tty, X11, and Qt4 windowports to
remember the input strings for wishing and annotation.

win/Qt4/qt4streq.cpp

@@ -83,6 +83,9 @@ bool NetHackQtStringRequestor::Get(char* buffer, int maxchar)
 	resize(fontMetrics().width(prompt.text())*2+50,fontMetrics().height()*4);
     }
 
+#ifdef EDIT_GETLIN
+    input.setText(buffer);
+#endif
     centerOnMain(this);
     show();
     input.setFocus();

win/X11/winX.c

@@ -1623,7 +1623,11 @@ char *input;
        slide left hiding some chars at the beginning of the response but
        making room to type more.  [Prior to 3.6.1, width wasn't specifiable
        and answer box always got sized to match the width of the prompt.] */
+#ifdef EDIT_GETLIN
+    SetDialogResponse(getline_dialog, input, 60); /* set default answer */
+#else
     SetDialogResponse(getline_dialog, nhStr(""), 60); /* set default answer */
+#endif
     positionpopup(getline_popup, TRUE);           /* center,bottom */
 
     nh_XtPopup(getline_popup, (int) XtGrabExclusive, getline_dialog);

win/tty/getline.c

@@ -56,8 +56,13 @@ getlin_hook_proc hook;
     cw->flags &= ~WIN_STOP;
     ttyDisplay->toplin = 3; /* special prompt state */
     ttyDisplay->inread++;
+#ifdef EDIT_GETLIN
+    custompline(OVERRIDE_MSGTYPE | SUPPRESS_HISTORY, "%s %s", query, bufp);
+    bufp = eos(obufp);
+#else
     custompline(OVERRIDE_MSGTYPE | SUPPRESS_HISTORY, "%s ", query);
     *obufp = 0;
+#endif
     for (;;) {
         (void) fflush(stdout);
         Strcat(strcat(strcpy(toplines, query), " "), obufp);