1 files changed, 78 insertions, 0 deletions

diff --git a/noncore/apps/checkbook/qrestrictedcombo.cpp b/noncore/apps/checkbook/qrestrictedcombo.cpp
new file mode 100644
index 0000000..e1533f6
--- a/dev/null
+++ b/noncore/apps/checkbook/qrestrictedcombo.cpp
@@ -0,0 +1,78 @@
+/*
+ *
+ * $Id$
+ *
+ * Implementation of QRestrictedCombo
+ *
+ * Copyright (C) 1997 Michael Wiedmann, <mw@miwie.in-berlin.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include <qkeycode.h>
+
+#include "qrestrictedcombo.h"
+
+QRestrictedCombo::QRestrictedCombo( QWidget *parent, 
+                                  const char *name,
+                                  const QString& valid )
+  : QComboBox( parent, name )
+{
+    qsValidChars = valid;
+}
+
+QRestrictedCombo::~QRestrictedCombo()
+{
+  ;
+}
+
+
+void QRestrictedCombo::keyPressEvent( QKeyEvent *e )
+{
+  // let QLineEdit process "special" keys and return/enter
+  // so that we still can use the default key binding
+  if (e->key() == Key_Enter || e->key() == Key_Return || e->key() == Key_Delete || e->ascii() < 32)
+    {
+      QComboBox::keyPressEvent(e);
+      return;
+    }
+
+  // do we have a list of valid chars &&
+  // is the pressed key in the list of valid chars?
+  if (!qsValidChars.isEmpty() && !qsValidChars.contains(e->ascii()))
+    {
+      // invalid char, emit signal and return
+      emit (invalidChar(e->key()));
+      return;
+    }
+  else
+        // valid char: let QLineEdit process this key as usual
+        QComboBox::keyPressEvent(e);
+
+  return;
+}
+
+
+void QRestrictedCombo::setValidChars( const QString& valid)
+{
+  qsValidChars = valid;
+}
+
+QString QRestrictedCombo::validChars() const
+{
+  return qsValidChars;
+}
+