From 369d80a758a3b9f552874f26909d79864a902731 Mon Sep 17 00:00:00 2001
From: H.G. Muller <h.g.muller@hccnet.nl>
Date: Sat, 23 Jan 2010 22:24:20 +0100
Subject: [PATCH] Allow <Enter> to apply filter in XB GameList filter edit

Apply a translation to intercept the <Enter> key. Set focus back to the
list display afterwards.
---
 xboard.c    |    1 +
 xgamelist.c |   27 +++++++++++++++++++++++++++
 xgamelist.h |    2 ++
 3 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/xboard.c b/xboard.c
index d4f6569..a9f8991 100644
--- a/xboard.c
+++ b/xboard.c
@@ -850,6 +850,7 @@ XtActionsRec boardActions[] = {
     { "LoadNextGameProc", LoadNextGameProc },
     { "LoadPrevGameProc", LoadPrevGameProc },
     { "LoadSelectedProc", LoadSelectedProc },
+    { "SetFilterProc", SetFilterProc },
     { "ReloadGameProc", ReloadGameProc },
     { "LoadPositionProc", LoadPositionProc },
     { "LoadNextPositionProc", LoadNextPositionProc },
diff --git a/xgamelist.c b/xgamelist.c
index 258eb39..3a04f3f 100644
--- a/xgamelist.c
+++ b/xgamelist.c
@@ -106,6 +106,8 @@ static int listLength;
 char gameListTranslations[] =
   "<Btn1Up>(2): LoadSelectedProc() \n \
    <Key>Return: LoadSelectedProc() \n";
+char filterTranslations[] =
+  "<Key>Return: SetFilterProc() \n";
 
 typedef struct {
     Widget shell;
@@ -254,6 +256,8 @@ GameListCreate(name, callback, client_data)
     filterText =
       XtCreateManagedWidget(_("filtertext"), asciiTextWidgetClass, form, args, j);
     XtAddEventHandler(filterText, ButtonPressMask, False, SetFocus, (XtPointer) shell);
+    XtOverrideTranslations(filterText,
+			  XtParseTranslationTable(filterTranslations));
 
     j = 0;
     XtSetArg(args[j], XtNfromVert, viewport);  j++;
@@ -535,6 +539,29 @@ LoadSelectedProc(w, event, prms, nprms)
 }
 
 void
+SetFilterProc(w, event, prms, nprms)
+     Widget w;
+     XEvent *event;
+     String *prms;
+     Cardinal *nprms;
+{
+	Arg args[16];
+        String name;
+	Widget list;
+        int j = 0;
+        XtSetArg(args[j], XtNstring, &name);  j++;
+	XtGetValues(filterText, args, j);
+        strcpy(filterString, name);
+        if(GameListPrepare()) GameListReplace(); // crashes on empty list...
+	list = XtNameToWidget(glc->shell, "*form.viewport.list");
+	XawListHighlight(list, 0);
+        j = 0;
+	XtSetArg(args[j], XtNdisplayCaret, False); j++;
+	XtSetValues(filterText, args, j);
+	XtSetKeyboardFocus(glc->shell, list);
+}
+
+void
 GameListPopDown()
 {
     Arg args[16];
diff --git a/xgamelist.h b/xgamelist.h
index 21340aa..0c3fdf8 100644
--- a/xgamelist.h
+++ b/xgamelist.h
@@ -27,6 +27,8 @@ void ShowGameListProc P((Widget w, XEvent *event,
 			 String *prms, Cardinal *nprms));
 void LoadSelectedProc P((Widget w, XEvent *event,
 			 String *prms, Cardinal *nprms));
+void SetFilterProc P((Widget w, XEvent *event,
+			 String *prms, Cardinal *nprms));
 
 extern Widget gameListShell;
 #endif /* _XGAMEL_H */
-- 
1.7.0.4