X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcustomruler.cpp;h=fd9786e645a36dfd5fb1b26847ec52db8d201a41;hb=4f2ff860ac2157cbc10dec34eafac61a41ffc0ce;hp=8081f9ccae36517451ce7e2ea32a7fa45c2e7fdb;hpb=c6d43344e195571ecc784897310c02a7125623d0;p=kdenlive

diff --git a/src/customruler.cpp b/src/customruler.cpp
index 8081f9cc..fd9786e6 100644
--- a/src/customruler.cpp
+++ b/src/customruler.cpp
@@ -17,230 +17,337 @@
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  ***************************************************************************/
 
-#include <QMouseEvent>
-#include <QStylePainter>
+#include "customruler.h"
 
 #include <KDebug>
+#include <KIcon>
+#include <KCursor>
+#include <KGlobalSettings>
 
+#include <QMouseEvent>
+#include <QStylePainter>
 
-#include "customruler.h"
+static const int FIX_WIDTH = 24; /* widget width in pixel */
+static const int LINE_END = (FIX_WIDTH - 3);
+static const int END_MARK_LENGTH = (FIX_WIDTH - 8);
+static const int BIG_MARK_LENGTH = (END_MARK_LENGTH * 3 / 4);
+static const int BIG_MARK_X2 = LINE_END;
+static const int BIG_MARK_X1 = (BIG_MARK_X2 - BIG_MARK_LENGTH);
+static const int MIDDLE_MARK_LENGTH = (END_MARK_LENGTH / 2);
+static const int MIDDLE_MARK_X2 = LINE_END;
+static const int MIDDLE_MARK_X1 = (MIDDLE_MARK_X2 - MIDDLE_MARK_LENGTH);
+static const int LITTLE_MARK_LENGTH = (MIDDLE_MARK_LENGTH / 2);
+static const int LITTLE_MARK_X2 = LINE_END;
+static const int LITTLE_MARK_X1 = (LITTLE_MARK_X2 - LITTLE_MARK_LENGTH);
 
+static const int LABEL_SIZE = 9;
+static const int END_LABEL_X = 4;
+static const int END_LABEL_Y = (END_LABEL_X + LABEL_SIZE - 2);
 
-#define INIT_VALUE 0
-#define INIT_MIN_VALUE 0
-#define INIT_MAX_VALUE 100
-#define INIT_TINY_MARK_DISTANCE 1
-#define INIT_LITTLE_MARK_DISTANCE 5
-#define INIT_MIDDLE_MARK_DISTANCE (INIT_LITTLE_MARK_DISTANCE * 2)
-#define INIT_BIG_MARK_DISTANCE (INIT_LITTLE_MARK_DISTANCE * 10)
-#define INIT_SHOW_TINY_MARK false
-#define INIT_SHOW_LITTLE_MARK true
-#define INIT_SHOW_MEDIUM_MARK true
-#define INIT_SHOW_BIG_MARK true
-#define INIT_SHOW_END_MARK true
-#define INIT_SHOW_POINTER true
-#define INIT_SHOW_END_LABEL true
-
-#define INIT_PIXEL_PER_MARK (double)10.0 /* distance between 2 base marks in pixel */
-#define INIT_OFFSET (-20)
-#define INIT_LENGTH_FIX true
-#define INIT_END_OFFSET 0
-
-#define FIX_WIDTH 20 /* widget width in pixel */
-#define LINE_END (FIX_WIDTH - 3)
-#define END_MARK_LENGTH (FIX_WIDTH - 6)
-#define END_MARK_X2 LINE_END
-#define END_MARK_X1 (END_MARK_X2 - END_MARK_LENGTH)
-#define BIG_MARK_LENGTH (END_MARK_LENGTH*3/4)
-#define BIG_MARK_X2 LINE_END
-#define BIG_MARK_X1 (BIG_MARK_X2 - BIG_MARK_LENGTH)
-#define MIDDLE_MARK_LENGTH (END_MARK_LENGTH/2)
-#define MIDDLE_MARK_X2 LINE_END
-#define MIDDLE_MARK_X1 (MIDDLE_MARK_X2 - MIDDLE_MARK_LENGTH)
-#define LITTLE_MARK_LENGTH (MIDDLE_MARK_LENGTH/2)
-#define LITTLE_MARK_X2 LINE_END
-#define LITTLE_MARK_X1 (LITTLE_MARK_X2 - LITTLE_MARK_LENGTH)
-#define BASE_MARK_LENGTH (LITTLE_MARK_LENGTH/2)
-#define BASE_MARK_X2 LINE_END
-#define BASE_MARK_X1 (BASE_MARK_X2 - 3) //BASE_MARK_LENGTH
-
-#define LABEL_SIZE 8
-#define END_LABEL_X 4
-#define END_LABEL_Y (END_LABEL_X + LABEL_SIZE - 2)
+static int littleMarkDistance;
+static int mediumMarkDistance;
+static int bigMarkDistance;
 
 #include "definitions.h"
 
-const int CustomRuler::comboScale[] =
-	{ 1, 2, 5, 10, 25, 50, 125, 250, 500, 725, 1500, 3000, 6000,
-	    12000 };
+const int CustomRuler::comboScale[] = { 1, 2, 5, 10, 25, 50, 125, 250, 500, 750, 1500, 3000, 6000, 12000};
+
+CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent) :
+        QWidget(parent),
+        m_timecode(tc),
+        m_view(parent),
+        m_duration(0),
+        m_offset(0),
+        m_clickedGuide(-1)
+{
+    setFont(KGlobalSettings::toolBarFont());
+    m_scale = 3;
+    m_zoneColor = QColor(133, 255, 143);
+    littleMarkDistance = FRAME_SIZE;
+    mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
+    bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
+    m_zoneStart = 0;
+    m_zoneEnd = 100;
+    m_contextMenu = new QMenu(this);
+    QAction *addGuide = m_contextMenu->addAction(KIcon("document-new"), i18n("Add Guide"));
+    connect(addGuide, SIGNAL(triggered()), m_view, SLOT(slotAddGuide()));
+    m_editGuide = m_contextMenu->addAction(KIcon("document-properties"), i18n("Edit Guide"));
+    connect(m_editGuide, SIGNAL(triggered()), this, SLOT(slotEditGuide()));
+    m_deleteGuide = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete Guide"));
+    connect(m_deleteGuide , SIGNAL(triggered()), this, SLOT(slotDeleteGuide()));
+    QAction *delAllGuides = m_contextMenu->addAction(KIcon("edit-delete"), i18n("Delete All Guides"));
+    connect(delAllGuides, SIGNAL(triggered()), m_view, SLOT(slotDeleteAllGuides()));
+    setMouseTracking(true);
+    setMinimumHeight(20);
+}
 
-CustomRuler::CustomRuler(Timecode tc, QWidget *parent)
-    : KRuler(parent), m_timecode(tc)
+void CustomRuler::updateProjectFps(Timecode t)
 {
-  slotNewOffset(0);
-  setRulerMetricStyle(KRuler::Pixel);
-  setLength(1024);
-  setMaximum(1024);
-  setPixelPerMark(3);
-  setLittleMarkDistance (FRAME_SIZE);
-  setMediumMarkDistance (FRAME_SIZE * 25);
-  setBigMarkDistance (FRAME_SIZE * 25 * 60);
+    m_timecode = t;
+    mediumMarkDistance = FRAME_SIZE * m_timecode.fps();
+    bigMarkDistance = FRAME_SIZE * m_timecode.fps() * 60;
+    update();
 }
 
-// virtual 
-void CustomRuler::mousePressEvent ( QMouseEvent * event )
+void CustomRuler::slotEditGuide()
 {
-  int pos = event->x();
-  slotMoveCursor( pos, true );
-  kDebug()<<pos;
+    m_view->slotEditGuide(m_clickedGuide);
+}
+
+void CustomRuler::slotDeleteGuide()
+{
+    m_view->slotDeleteGuide(m_clickedGuide);
+}
+
+void CustomRuler::setZone(QPoint p)
+{
+    int min = qMin(m_zoneStart, p.x());
+    int max = qMax(m_zoneEnd, p.y());
+    m_zoneStart = p.x();
+    m_zoneEnd = p.y();
+    update(min * m_factor - 2, 0, (max - min) * m_factor + 4, height());
 }
 
 // virtual
-void CustomRuler::mouseMoveEvent ( QMouseEvent * event )
+void CustomRuler::mousePressEvent(QMouseEvent * event)
 {
-  int pos = event->x();
-  slotMoveCursor( pos, true );
-  kDebug()<<pos;
+    int pos = (int)((event->x() + offset()));
+    if (event->button() == Qt::RightButton) {
+        m_clickedGuide = m_view->hasGuide((int)(pos / m_factor), (int)(5 / m_factor + 1));
+        m_editGuide->setEnabled(m_clickedGuide > 0);
+        m_deleteGuide->setEnabled(m_clickedGuide > 0);
+        m_contextMenu->exec(event->globalPos());
+        return;
+    }
+    setFocus(Qt::MouseFocusReason);
+    m_view->activateMonitor();
+    m_moveCursor = RULER_CURSOR;
+    if (event->y() > 10) {
+        if (qAbs(pos - m_zoneStart * m_factor) < 4) m_moveCursor = RULER_START;
+        else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) m_moveCursor = RULER_MIDDLE;
+        else if (qAbs(pos - m_zoneEnd * m_factor) < 4) m_moveCursor = RULER_END;
+    }
+    if (m_moveCursor == RULER_CURSOR)
+        m_view->setCursorPos((int) pos / m_factor);
 }
 
-void CustomRuler::slotMoveRuler(int newPos)
+// virtual
+void CustomRuler::mouseMoveEvent(QMouseEvent * event)
+{
+    if (event->buttons() == Qt::LeftButton) {
+        int pos = (int)((event->x() + offset()) / m_factor);
+        int zoneStart = m_zoneStart;
+        int zoneEnd = m_zoneEnd;
+        if (pos < 0) pos = 0;
+        if (m_moveCursor == RULER_CURSOR) {
+            m_view->setCursorPos(pos);
+            m_view->slotCheckPositionScrolling();
+            return;
+        } else if (m_moveCursor == RULER_START) m_zoneStart = pos;
+        else if (m_moveCursor == RULER_END) m_zoneEnd = pos;
+        else if (m_moveCursor == RULER_MIDDLE) {
+            int move = pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2);
+            if (move + m_zoneStart < 0) move = - m_zoneStart;
+            m_zoneStart += move;
+            m_zoneEnd += move;
+        }
+        emit zoneMoved(m_zoneStart, m_zoneEnd);
+        m_view->setDocumentModified();
+
+        int min = qMin(m_zoneStart, zoneStart);
+        int max = qMax(m_zoneEnd, zoneEnd);
+        update(min * m_factor - m_offset - 2, 0, (max - min) * m_factor + 4, height());
+
+    } else {
+        int pos = (int)((event->x() + offset()));
+        if (event->y() <= 10) setCursor(Qt::ArrowCursor);
+        else if (qAbs(pos - m_zoneStart * m_factor) < 4) setCursor(KCursor("left_side", Qt::SizeHorCursor));
+        else if (qAbs(pos - m_zoneEnd * m_factor) < 4) setCursor(KCursor("right_side", Qt::SizeHorCursor));
+        else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) setCursor(Qt::SizeHorCursor);
+        else setCursor(Qt::ArrowCursor);
+    }
+}
+
+
+// virtual
+void CustomRuler::wheelEvent(QWheelEvent * e)
+{
+    int delta = 1;
+    if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
+    if (e->delta() < 0) delta = 0 - delta;
+    m_view->moveCursorPos(delta);
+}
+
+int CustomRuler::inPoint() const
 {
-  int diff = offset() - newPos;
-  KRuler::slotNewOffset(newPos);
-  KRuler::slotNewValue(value() + diff);
+    return m_zoneStart;
 }
 
-void CustomRuler::slotMoveCursor( int _value, bool emitSignal )
+int CustomRuler::outPoint() const
 {
-  KRuler::slotNewValue(_value );
-  m_cursorPosition= (_value + offset()) / pixelPerMark();
-  if (emitSignal) emit cursorMoved(m_cursorPosition / FRAME_SIZE);
+    return m_zoneEnd;
 }
 
+void CustomRuler::slotMoveRuler(int newPos)
+{
+    m_offset = newPos;
+    update();
+}
 
-void CustomRuler::slotNewValue ( int _value, bool emitSignal )
+int CustomRuler::offset() const
 {
-  kDebug()<<"--------------  SET NEW CURSOR: "<<_value;
-  m_cursorPosition= _value / pixelPerMark();
-  if (emitSignal) emit cursorMoved(m_cursorPosition / FRAME_SIZE);
-  KRuler::slotNewValue(_value* pixelPerMark() - offset());
+    return m_offset;
 }
 
-void CustomRuler::setPixelPerMark (double rate)
+void CustomRuler::slotCursorMoved(int oldpos, int newpos)
+{
+    if (qAbs(oldpos - newpos) * m_factor > m_textSpacing) {
+        update(oldpos * m_factor - offset() - 6, 0, 17, height());
+        update(newpos * m_factor - offset() - 6, 0, 17, height());
+    } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, 0, qAbs(oldpos - newpos) * m_factor + 17, height());
+}
+
+void CustomRuler::setPixelPerMark(double rate)
 {
     int scale = comboScale[(int) rate];
-    int newPos = m_cursorPosition * (1.0 / scale); 
-    KRuler::setPixelPerMark(1.0 / scale);
-    KRuler::slotNewValue( newPos );
-}
-
-// virtual 
-void CustomRuler::paintEvent(QPaintEvent * /*e*/)
- {
-   //  debug ("KRuler::drawContents, %s",(horizontal==dir)?"horizontal":"vertical");
- 
-   QStylePainter p(this);
-
- 
-   int value  = this->value();
-   int minval = minimum();
-   int maxval = maximum() + offset() - endOffset();
-
-     //ioffsetval = value-offset;
-     //    pixelpm = (int)ppm;
-   //    left  = clip.left(),
-   //    right = clip.right();
-   double f, fend,
-     offsetmin=(double)(minval-offset()),
-     offsetmax=(double)(maxval-offset()),
-     fontOffset = (((double)minval)>offsetmin)?(double)minval:offsetmin;
-   QRect bg = QRect(offsetmin, 0, offsetmax, height());
-
-   QPalette palette;
-   //p.fillRect(bg, palette.light());
-   // draw labels
-   QFont font = p.font();
-   font.setPointSize(LABEL_SIZE);
-   p.setFont( font );
-   p.setPen(palette.dark().color());
-   // draw littlemarklabel
- 
-   // draw mediummarklabel
- 
-   // draw bigmarklabel
- 
-   // draw endlabel
-   /*if (d->showEndL) {
-     if (d->dir == Qt::Horizontal) {
-       p.translate( fontOffset, 0 );
-       p.drawText( END_LABEL_X, END_LABEL_Y, d->endlabel );
-     }*/
- 
-   // draw the tiny marks
-   //if (showTinyMarks()) 
-   /*{
-     fend =   pixelPerMark()*tinyMarkDistance();
-     if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
-         p.drawLine((int)f, BASE_MARK_X1, (int)f, BASE_MARK_X2);
-     }
-   }*/
-   if (showLittleMarks()) {
-     // draw the little marks
-     fend = pixelPerMark()*littleMarkDistance();
-     if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
-         p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
-	 if (fend > 60) {
-	  QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5));
-	  p.drawText( (int)f + 2, LABEL_SIZE, lab );
-	 }
-     }
-   }
-   if (showMediumMarks()) {
-     // draw medium marks
-     fend = pixelPerMark()*mediumMarkDistance();
-     if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
-         p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
-	 if (fend > 60) {
-	  QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5) );
-	  p.drawText( (int)f + 2, LABEL_SIZE, lab );
-	 }
-     }
-   }
-   if (showBigMarks()) {
-     // draw big marks
-     fend = pixelPerMark()*bigMarkDistance();
-     if (fend > 5) for ( f=offsetmin; f<offsetmax; f+=fend ) {
-         p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
-	 if (fend > 60) {
-	  QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5) );
-	  p.drawText( (int)f + 2, LABEL_SIZE, lab );
-	 }
-	 else if (((int) (f - offsetmin)) % ((int)(fend * 5)) == 0) {
-	    QString lab = m_timecode.getTimecodeFromFrames((int) ((f - offsetmin) / pixelPerMark() / FRAME_SIZE + 0.5) );
-	  p.drawText( (int)f + 2, LABEL_SIZE, lab );
-	 }
-     }
-   }
-/*   if (d->showem) {
-     // draw end marks
-     if (d->dir == Qt::Horizontal) {
-       p.drawLine(minval-d->offset, END_MARK_X1, minval-d->offset, END_MARK_X2);
-       p.drawLine(maxval-d->offset, END_MARK_X1, maxval-d->offset, END_MARK_X2);
-     }
-     else {
-       p.drawLine(END_MARK_X1, minval-d->offset, END_MARK_X2, minval-d->offset);
-       p.drawLine(END_MARK_X1, maxval-d->offset, END_MARK_X2, maxval-d->offset);
-     }
-   }*/
- 
-   // draw pointer
-   if (showPointer() && value > 0) {
-     QPolygon pa(4);
-       pa.setPoints(3, value-6, 9, value+6, 9, value/*+0*/, 16);
-     p.setBrush( QBrush(Qt::yellow) );
-     p.drawPolygon( pa );
-   }
- 
- }
+    m_factor = 1.0 / (double) scale * FRAME_SIZE;
+    m_scale = 1.0 / (double) scale;
+    double fend = m_scale * littleMarkDistance;
+    if (rate > 8) {
+        mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
+        bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 300;
+    } else if (rate > 6) {
+        mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 10;
+        bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 30;
+    } else if (rate > 3) {
+        mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
+        bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 5;
+    } else {
+        mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
+        bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
+    }
+    switch ((int) rate) {
+    case 0:
+        m_textSpacing = fend;
+        break;
+    case 1:
+        m_textSpacing = fend * 5;
+        break;
+    case 2:
+    case 3:
+    case 4:
+        m_textSpacing = fend * m_timecode.fps();
+        break;
+    case 5:
+        m_textSpacing = fend * m_timecode.fps() * 5;
+        break;
+    case 6:
+        m_textSpacing = fend * m_timecode.fps() * 10;
+        break;
+    case 7:
+        m_textSpacing = fend * m_timecode.fps() * 30;
+        break;
+    case 8:
+    case 9:
+        m_textSpacing = fend * m_timecode.fps() * 40;
+        break;
+    case 10:
+        m_textSpacing = fend * m_timecode.fps() * 80;
+        break;
+    case 11:
+    case 12:
+        m_textSpacing = fend * m_timecode.fps() * 400;
+        break;
+    case 13:
+        m_textSpacing = fend * m_timecode.fps() * 800;
+        break;
+    }
+    update();
+}
+
+void CustomRuler::setDuration(int d)
+{
+    int oldduration = m_duration;
+    m_duration = d;
+    update(qMin(oldduration, m_duration) * m_factor - 1 - offset(), 0, qAbs(oldduration - m_duration) * m_factor + 2, height());
+}
+
+// virtual
+void CustomRuler::paintEvent(QPaintEvent *e)
+{
+    QStylePainter p(this);
+    p.setClipRect(e->rect());
+    const int projectEnd = (int)(m_duration * m_factor);
+    p.fillRect(0, 0, projectEnd - m_offset, height(), palette().alternateBase().color());
+
+    const int zoneStart = (int)(m_zoneStart * m_factor);
+    const int zoneEnd = (int)(m_zoneEnd * m_factor);
+    const QRect zoneRect();
+
+    p.fillRect(zoneStart - m_offset, height() / 2, zoneEnd - zoneStart, height() / 2, m_zoneColor);
+
+    const int value  = m_view->cursorPos() * m_factor - m_offset;
+    int minval = (e->rect().left() + m_offset) / FRAME_SIZE - 1;
+    const int maxval = (e->rect().right() + m_offset) / FRAME_SIZE + 1;
+    if (minval < 0) minval = 0;
+
+    double f, fend;
+    const int offsetmax = maxval * FRAME_SIZE;
+
+    p.setPen(palette().dark().color());
+
+    // draw time labels
+    int offsetmin = (e->rect().left() + m_offset) / m_textSpacing;
+    offsetmin = offsetmin * m_textSpacing;
+    for (f = offsetmin; f < offsetmax; f += m_textSpacing) {
+        QString lab = m_timecode.getTimecodeFromFrames((int)(f / m_factor + 0.5));
+        p.drawText(f - m_offset + 2, LABEL_SIZE, lab);
+    }
+
+    offsetmin = (e->rect().left() + m_offset) / littleMarkDistance;
+    offsetmin = offsetmin * littleMarkDistance;
+    // draw the little marks
+    fend = m_scale * littleMarkDistance;
+    if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
+            p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
+
+    offsetmin = (e->rect().left() + m_offset) / mediumMarkDistance;
+    offsetmin = offsetmin * mediumMarkDistance;
+    // draw medium marks
+    fend = m_scale * mediumMarkDistance;
+    if (fend > 5) for (f = offsetmin - m_offset - fend; f < offsetmax - m_offset + fend; f += fend)
+            p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
+
+    offsetmin = (e->rect().left() + m_offset) / bigMarkDistance;
+    offsetmin = offsetmin * bigMarkDistance;
+    // draw big marks
+    fend = m_scale * bigMarkDistance;
+    if (fend > 5) for (f = offsetmin - m_offset; f < offsetmax - m_offset; f += fend)
+            p.drawLine((int)f, BIG_MARK_X1, (int)f, BIG_MARK_X2);
+
+    // draw zone cursors
+    int off = offset();
+    if (zoneStart > 0) {
+        QPolygon pa(4);
+        pa.setPoints(4, zoneStart - off + 3, 9, zoneStart - off, 9, zoneStart - off, 18, zoneStart - off + 3, 18);
+        p.drawPolyline(pa);
+    }
+
+    if (zoneEnd > 0) {
+        QRect rec(zoneStart - off + (zoneEnd - zoneStart) / 2 - 4, 9, 8, 9);
+        p.fillRect(rec, QColor(255, 255, 255, 150));
+        p.drawRect(rec);
+
+        QPolygon pa(4);
+        pa.setPoints(4, zoneEnd - off - 3, 9, zoneEnd - off, 9, zoneEnd - off, 18, zoneEnd - off - 3, 18);
+        p.drawPolyline(pa);
+    }
+
+    // draw pointer
+    QPolygon pa(3);
+    pa.setPoints(3, value - 6, 8, value + 6, 8, value, 16);
+    p.setBrush(palette().highlight());
+    p.drawPolygon(pa);
+}
 
 #include "customruler.moc"