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diff --git a/attic/muse_qt4_evolution/awl/sigedit.cpp b/attic/muse_qt4_evolution/awl/sigedit.cpp
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+//=============================================================================
+// Awl
+// Audio Widget Library
+// $Id:$
+//
+// Copyright (C) 2002-2006 by Werner Schweer and others
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+//=============================================================================
+
+#include "al/al.h"
+#include "awl.h"
+#include "sigedit.h"
+#include "al/sig.h"
+
+namespace Awl {
+
+ using AL::sigmap;
+
+//---------------------------------------------------------
+// SigEdit
+//---------------------------------------------------------
+
+SigEdit::SigEdit(QWidget* parent)
+ : QAbstractSpinBox(parent)
+ {
+ initialized = false;
+ setReadOnly(false);
+ setMinimumWidth(100); //TD: sizeHint
+ lineEdit()->setInputMask("99/99");
+ }
+
+SigEdit::~SigEdit()
+ {
+ }
+
+//---------------------------------------------------------
+// event
+// filter Tab and Backtab key events
+//---------------------------------------------------------
+
+bool SigEdit::event(QEvent* event)
+ {
+ if (event->type() == QEvent::KeyPress) {
+ QKeyEvent* ke = static_cast<QKeyEvent*>(event);
+ int segment = curSegment();
+ if (ke->key() == Qt::Key_Backtab) {
+ if (segment == 2) {
+ lineEdit()->setSelection(5, 2);
+ return true;
+ }
+ if (segment == 1) {
+ lineEdit()->setSelection(0, 4);
+ return true;
+ }
+ }
+ if (ke->key() == Qt::Key_Tab) {
+ if (segment == 0) {
+ lineEdit()->setSelection(5, 2);
+ return true;
+ }
+ if (segment == 1) {
+ lineEdit()->setSelection(8, 3);
+ return true;
+ }
+ }
+ }
+ else if (event->type() == QEvent::FocusIn) {
+ QFocusEvent* fe = static_cast<QFocusEvent*>(event);
+ QAbstractSpinBox::focusInEvent(fe);
+ int segment = curSegment();
+ switch(segment) {
+ case 0: lineEdit()->setSelection(0,4); break;
+ case 1: lineEdit()->setSelection(5,2); break;
+ case 2: lineEdit()->setSelection(8,3); break;
+ }
+ return true;
+ }
+ return QAbstractSpinBox::event(event);
+ }
+
+//---------------------------------------------------------
+// setValue
+//---------------------------------------------------------
+
+void SigEdit::setValue(const AL::TimeSignature& s)
+ {
+ _sig = s;
+ updateValue();
+ }
+
+//---------------------------------------------------------
+// updateValue
+//---------------------------------------------------------
+
+void SigEdit::updateValue()
+ {
+ char buffer[64];
+ sprintf(buffer, "%d/%d", _sig.z, _sig.n);
+ lineEdit()->setText(buffer);
+ }
+
+//---------------------------------------------------------
+// stepEnables
+//---------------------------------------------------------
+
+QAbstractSpinBox::StepEnabled SigEdit::stepEnabled() const
+ {
+ int segment = curSegment();
+ QAbstractSpinBox::StepEnabled en = QAbstractSpinBox::StepUpEnabled | QAbstractSpinBox::StepDownEnabled;
+
+ switch (segment) {
+ case 0:
+ if (_sig.z == 1)
+ en &= ~QAbstractSpinBox::StepDownEnabled;
+ break;
+ case 1:
+ if (_sig.n == 1)
+ en &= ~QAbstractSpinBox::StepDownEnabled;
+ break;
+ }
+ return en;
+ }
+
+//---------------------------------------------------------
+// fixup
+//---------------------------------------------------------
+
+void SigEdit::fixup(QString& input) const
+ {
+ printf("fixup <%s>\n", input.toLatin1().data());
+ }
+
+//---------------------------------------------------------
+// validate
+//---------------------------------------------------------
+
+QValidator::State SigEdit::validate(QString&,int&) const
+ {
+ // TODO
+ // printf("validate\n");
+ return QValidator::Acceptable;
+ }
+
+//---------------------------------------------------------
+// curSegment
+//---------------------------------------------------------
+
+int SigEdit::curSegment() const
+ {
+ QLineEdit* le = lineEdit();
+ int pos = le->cursorPosition();
+ int segment = -1;
+
+ if (pos >= 0 && pos <= 4)
+ segment = 0;
+ else if (pos >= 5 && pos <= 7)
+ segment = 1;
+ else if (pos >= 8)
+ segment = 2;
+ else
+ printf("curSegment = -1, pos %d\n", pos);
+ return segment;
+ }
+
+//---------------------------------------------------------
+// stepBy
+//---------------------------------------------------------
+
+void SigEdit::stepBy(int steps)
+ {
+ int segment = curSegment();
+ int selPos;
+ int selLen;
+
+ bool changed = false;
+ AL::TimeSignature osig(_sig);
+
+ switch(segment) {
+ case 0:
+ _sig.z += steps;
+ if (_sig.z < 1)
+ _sig.z = 1;
+ selPos = 0;
+ selLen = 2;
+ break;
+ case 1:
+ _sig.n += steps;
+ if (_sig.n < 1)
+ _sig.n = 1;
+ selPos = 3;
+ selLen = 2;
+ break;
+ default:
+ return;
+ }
+ if (osig.z != _sig.z || osig.n != _sig.n) {
+ changed = true;
+ }
+ if (changed) {
+ updateValue();
+ emit valueChanged(_sig);
+ }
+ lineEdit()->setSelection(selPos, selLen);
+ }
+
+ void SigEdit::paintEvent(QPaintEvent* event) {
+ if (!initialized)
+ updateValue();
+ initialized = true;
+ QAbstractSpinBox::paintEvent(event);
+ }
+}
+