Added AWL files

1 files changed, 441 insertions, 0 deletions

diff --git a/muse2/awl/posedit.cpp b/muse2/awl/posedit.cpp
new file mode 100644
index 00000000..4f8b19b2
--- /dev/null
+++ b/muse2/awl/posedit.cpp
@@ -0,0 +1,441 @@
+//=============================================================================
+//  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 "posedit.h"
+#include "al/sig.h"
+
+namespace Awl {
+
+      using AL::mtcType;
+      using AL::sigmap;
+
+//---------------------------------------------------------
+//   PosEdit
+//---------------------------------------------------------
+
+PosEdit::PosEdit(QWidget* parent)
+   : QAbstractSpinBox(parent)
+      {
+      initialized = false;
+      setReadOnly(false);
+      setSmpte(false);
+      }
+
+void* PosEdit::operator new(size_t n)
+      {
+      void* p = new char[n];
+      memset(p, 0, n);
+      return p;
+      }
+
+PosEdit::~PosEdit()
+      {
+      }
+
+QSize PosEdit::sizeHint() const
+	{
+      QFontMetrics fm(font());
+      int fw = style()->pixelMetric(QStyle::PM_SpinBoxFrameWidth);
+      int h  = fm.height() + fw * 2;
+      int w = fw * 4 + 10;	// HACK: 10 = spinbox up/down arrows
+      if (_smpte)
+            w  += 2 + fm.width('9') * 9 + fm.width(':') * 3 + fw * 4;
+      else
+            w  += 2 + fm.width('9') * 9 + fm.width('.') * 2 + fw * 4;
+      return QSize(w, h).expandedTo(QApplication::globalStrut());
+	}
+
+//---------------------------------------------------------
+//   event
+//    filter Tab and Backtab key events
+//---------------------------------------------------------
+
+bool PosEdit::event(QEvent* event)
+      {
+      if (event->type() == QEvent::KeyPress) {
+            QKeyEvent* ke = static_cast<QKeyEvent*>(event);
+            int segment = curSegment();
+            if (ke->key() == Qt::Key_Backtab) {
+                  if (_smpte) {
+                        if (segment == 3) {
+                              lineEdit()->setSelection(7, 2);
+                              return true;
+                              }
+                        else if (segment == 2) {
+                              lineEdit()->setSelection(4, 2);
+                              return true;
+                              }
+                        else if (segment == 1) {
+                              lineEdit()->setSelection(0, 3);
+                              return true;
+                              }
+                        }
+                  else {
+                        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 (_smpte) {
+                        if (segment == 0) {
+                              lineEdit()->setSelection(4, 2);
+                              return true;
+                              }
+                        else if (segment == 1) {
+                              lineEdit()->setSelection(7, 2);
+                              return true;
+                              }
+                        else if (segment == 2) {
+                              lineEdit()->setSelection(10, 2);
+                              return true;
+                              }
+                        }
+                  else {
+                        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);
+      }
+
+//---------------------------------------------------------
+//   setSmpte
+//---------------------------------------------------------
+
+void PosEdit::setSmpte(bool f)
+      {
+      _smpte = f;
+      if (_smpte)
+            lineEdit()->setInputMask("999:99:99:99");
+      else
+            lineEdit()->setInputMask("9999.99.999");
+      updateValue();
+      }
+
+//---------------------------------------------------------
+//   setValue
+//---------------------------------------------------------
+
+void PosEdit::setValue(const Pos& time)
+      {
+      _pos = time;
+      updateValue();
+      }
+
+void PosEdit::setValue(const QString& s)
+      {
+      Pos time(s);
+      setValue(time);
+      }
+
+void PosEdit::setValue(int t)
+      {
+      Pos time(t);
+      setValue(time);
+      }
+
+//---------------------------------------------------------
+//   updateValue
+//---------------------------------------------------------
+
+void PosEdit::updateValue()
+      {
+      char buffer[64];
+      if (_smpte) {
+            int minute, sec, frame, subframe;
+            _pos.msf(&minute, &sec, &frame, &subframe);
+            sprintf(buffer, "%03d:%02d:%02d:%02d", minute, sec, frame, subframe);
+            }
+      else {
+            int bar, beat;
+            int tick;
+            _pos.mbt(&bar, &beat, &tick);
+            sprintf(buffer, "%04d.%02d.%03d", bar+1, beat+1, tick);
+            }
+      lineEdit()->setText(buffer);
+      }
+
+//---------------------------------------------------------
+//   stepEnables
+//---------------------------------------------------------
+
+QAbstractSpinBox::StepEnabled PosEdit::stepEnabled() const
+      {
+      int segment = curSegment();
+      QAbstractSpinBox::StepEnabled en = QAbstractSpinBox::StepUpEnabled | QAbstractSpinBox::StepDownEnabled;
+
+      if (_smpte) {
+             int minute, sec, frame, subframe;
+            _pos.msf(&minute, &sec, &frame, &subframe);
+            switch(segment) {
+                  case 0:
+                        if (minute == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        break;
+                  case 1:
+                        if (sec == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        else if (sec == 59)
+                              en &= ~QAbstractSpinBox::StepUpEnabled;
+                        break;
+                  case 2:
+                        if (frame == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        else if (frame == 23)
+                              en &= ~QAbstractSpinBox::StepUpEnabled;
+                        break;
+                  case 3:
+                        if (subframe == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        else if (subframe == 99)
+                              en &= ~QAbstractSpinBox::StepUpEnabled;
+                        break;
+                  }
+            }
+      else {
+            int bar, beat;
+            unsigned tick;
+            AL::sigmap.tickValues(_pos.tick(), &bar, &beat, &tick);
+            unsigned tb = AL::sigmap.ticksBeat(_pos.tick());
+            unsigned tm = AL::sigmap.ticksMeasure(_pos.tick());
+            int bm = tm / tb;
+
+            switch (segment) {
+                  case 0:
+                        if (bar == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        break;
+                  case 1:
+                        if (beat == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        else {
+                              if (beat >= (bm-1))
+                                    en &= ~QAbstractSpinBox::StepUpEnabled;
+                              }
+                        break;
+                  case 2:
+                        if (tick == 0)
+                              en &= ~QAbstractSpinBox::StepDownEnabled;
+                        else {
+                              if (tick >= (tb-1))
+                                    en &= ~QAbstractSpinBox::StepUpEnabled;
+                              }
+                        break;
+                  }
+            }
+      return en;
+      }
+
+//---------------------------------------------------------
+//   fixup
+//---------------------------------------------------------
+
+void PosEdit::fixup(QString& input) const
+      {
+      printf("fixup <%s>\n", input.toLatin1().data());
+      }
+
+//---------------------------------------------------------
+//   validate
+//---------------------------------------------------------
+
+QValidator::State PosEdit::validate(QString&,int&) const
+      {
+      // TODO
+//      printf("validate\n");
+      return QValidator::Acceptable;
+      }
+
+//---------------------------------------------------------
+//   curSegment
+//---------------------------------------------------------
+
+int PosEdit::curSegment() const
+      {
+      QLineEdit* le = lineEdit();
+      int pos = le->cursorPosition();
+      int segment = -1;
+
+      if (_smpte) {
+            if (pos >= 0 && pos <= 3)
+                  segment = 0;
+            else if (pos >= 4 && pos <= 6)
+                  segment = 1;
+            else if (pos >= 7 && pos <= 9)
+                  segment = 2;
+            else if (pos >= 10)
+                  segment = 3;
+            }
+      else {
+            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 PosEdit::stepBy(int steps)
+      {
+      int segment = curSegment();
+      int selPos;
+      int selLen;
+
+      bool changed = false;
+
+      if (_smpte) {
+             int minute, sec, frame, subframe;
+            _pos.msf(&minute, &sec, &frame, &subframe);
+            switch(segment) {
+                  case 0:
+                        minute += steps;
+                        if (minute < 0)
+                              minute = 0;
+                        selPos = 0;
+                        selLen = 3;
+                        break;
+                  case 1:
+                        sec += steps;
+                        if (sec < 0)
+                              sec = 0;
+                        if (sec > 59)
+                              sec = 59;
+                        selPos = 4;
+                        selLen = 2;
+                        break;
+                  case 2:
+                        frame += steps;
+                        if (frame < 0)
+                              frame = 0;
+                        if (frame > 24)         //TD frame type?
+                              frame = 24;
+                        selPos = 7;
+                        selLen = 2;
+                        break;
+                  case 3:
+                        subframe += steps;
+                        if (subframe < 0)
+                              subframe = 0;
+                        if (subframe > 99)
+                              subframe = 99;
+                        selPos = 10;
+                        selLen = 2;
+                        break;
+                  default:
+                        return;
+                  }
+            Pos newPos(minute, sec, frame, subframe);
+            if (!(newPos == _pos)) {
+                  changed = true;
+                  _pos = newPos;
+                  }
+            }
+      else {
+            int bar, beat, tick;
+            _pos.mbt(&bar, &beat, &tick);
+
+            int tb = AL::sigmap.ticksBeat(_pos.tick());
+            unsigned tm = AL::sigmap.ticksMeasure(_pos.tick());
+            int bm = tm / tb;
+
+            switch(segment) {
+                  case 0:
+                        bar += steps;
+                        if (bar < 0)
+                              bar = 0;
+                        selPos = 0;
+                        selLen = 4;
+                        break;
+                  case 1:
+                        beat += steps;
+                        if (beat < 0)
+                              beat = 0;
+                        else if (beat >= bm)
+                              beat = bm - 1;
+                        selPos = 5;
+                        selLen = 2;
+                        break;
+                  case 2:
+                        tick += steps;
+                        if (tick < 0)
+                              tick = 0;
+                        else if (tick >= tb)
+                              tick = tb -1;
+                        selPos = 8;
+                        selLen = 3;
+                        break;
+                  default:
+                        return;
+                  }
+            Pos newPos(bar, beat, tick);
+            if (!(newPos == _pos)) {
+                  changed = true;
+                  _pos = newPos;
+                  }
+            }
+      if (changed) {
+            updateValue();
+            emit valueChanged(_pos);
+            }
+      lineEdit()->setSelection(selPos, selLen);
+      }
+
+      void PosEdit::paintEvent(QPaintEvent* event) {
+            if (!initialized)
+                  updateValue();
+            initialized = true;
+            QAbstractSpinBox::paintEvent(event);
+            }
+}
+