X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fsmallruler.cpp;h=8881329c08bb330997879da4bf2fcb17697d87bd;hb=8e514e8841c1a6dfd0f5ae42188f5612035d0d90;hp=b9e420225a4c07adc661284d9ef3405b8eb0ab42;hpb=75644832139542d01f5db11bbfdf5b3105007626;p=kdenlive

diff --git a/src/smallruler.cpp b/src/smallruler.cpp
index b9e42022..8881329c 100644
--- a/src/smallruler.cpp
+++ b/src/smallruler.cpp
@@ -18,139 +18,145 @@
  ***************************************************************************/
 
 
-#include <QMouseEvent>
-#include <QStylePainter>
+#include "smallruler.h"
 
 #include <KDebug>
 
-#define LITTLE_MARK_X2 8
-#define LITTLE_MARK_X1 5
-#define MIDDLE_MARK_X1 3
-#define MIDDLE_MARK_X2 8
-
-#define LABEL_SIZE 8
+#include <QMouseEvent>
+#include <QStylePainter>
 
-#include "smallruler.h"
+SmallRuler::SmallRuler(QWidget *parent) :
+        QWidget(parent),
+        m_scale(1),
+        m_maxval(25)
+{
+    m_zoneStart = 10;
+    m_zoneEnd = 60;
+    m_zoneColor = QColor(133, 255, 143);
+}
 
+void SmallRuler::adjustScale(int maximum)
+{
+    m_maxval = maximum;
+    m_scale = (double) width() / (double) maximum;
+    if (m_scale == 0) m_scale = 1;
+
+    if (m_scale > 0.5) {
+        m_small = 25;
+        m_medium = 5 * 25;
+    } else if (m_scale > 0.09) {
+        m_small = 5 * 25;
+        m_medium = 30 * 25;
+    } else {
+        m_small = 30 * 25;
+        m_medium = 60 * 25;
+    }
+    m_cursorPosition = m_cursorFramePosition * m_scale;
+    update();
+}
 
-SmallRuler::SmallRuler(QWidget *parent)
-    : KRuler(parent)
+void SmallRuler::setZone(int start, int end)
 {
-  setShowPointer(true);
-  setShowBigMarks(false);
-  setShowTinyMarks(false);
-  slotNewOffset(0);
-  setRulerMetricStyle(KRuler::Custom);
-  setLengthFixed(true);
+    if (start != -1) {
+        if (end != -1 && start >= end) {
+            m_zoneEnd = qMin(m_maxval, end + (start - m_zoneStart));
+            m_zoneStart = start;
+        } else if (end == -1 && start >= m_zoneEnd) {
+            m_zoneEnd = qMin(m_maxval, m_zoneEnd + (start - m_zoneStart));
+            m_zoneStart = start;
+        } else m_zoneStart = start;
+    }
+    if (end != -1) {
+        if (start != -1 && end <= start) {
+            m_zoneStart = qMax(0, start - (m_zoneEnd - end));
+            m_zoneEnd = end;
+        } else if (start == -1 && end <= m_zoneStart) {
+            m_zoneStart = qMax(0, m_zoneStart - (m_zoneEnd - end));
+            m_zoneEnd = end;
+        } else m_zoneEnd = end;
+    }
+    update();
 }
 
-void SmallRuler::setPixelPerMark ( double rate )
+QPoint SmallRuler::zone()
 {
-  kDebug()<<" RULER SET RATE: "<<rate;
-  if (rate > 0.5) {
-    setLittleMarkDistance(25);
-    setMediumMarkDistance(5 * 25);
-  }
-  else if (rate > 0.09) {
-    setLittleMarkDistance(5 * 25);
-    setMediumMarkDistance(30 * 25);
-  }
-  else {
-    setLittleMarkDistance(30 * 25);
-    setMediumMarkDistance(60 * 25);
-  }
-  
-  KRuler::setPixelPerMark( rate );
+    return QPoint(m_zoneStart, m_zoneEnd);
 }
 
-// virtual 
-void SmallRuler::mousePressEvent ( QMouseEvent * event )
+// virtual
+void SmallRuler::mousePressEvent(QMouseEvent * event)
 {
-  int pos = event->x();
-  //slotNewValue( pos );
-  emit seekRenderer(pos);
-  kDebug()<<pos;
+    const int pos = event->x() / m_scale;
+    if (event->button() == Qt::RightButton) {
+        // Right button clicked, move selection zone
+        if (qAbs(pos - m_zoneStart) < qAbs(pos - m_zoneEnd)) m_zoneStart = pos;
+        else m_zoneEnd = pos;
+        emit zoneChanged(QPoint(m_zoneStart, m_zoneEnd));
+        update();
+
+    } else emit seekRenderer((int) pos);
 }
 
 // virtual
-void SmallRuler::mouseMoveEvent ( QMouseEvent * event )
+void SmallRuler::mouseMoveEvent(QMouseEvent * event)
 {
-  int pos = event->x();
-  //slotNewValue( pos );
-  emit seekRenderer(pos);
-  kDebug()<<pos;
+    const int pos = event->x() / m_scale;
+    if (event->buttons() & Qt::LeftButton) emit seekRenderer((int) pos);
 }
 
-void SmallRuler::slotNewValue ( int _value )
+void SmallRuler::slotNewValue(int value)
 {
-  m_cursorPosition = _value / pixelPerMark();
-  KRuler::slotNewValue(_value);
+    m_cursorFramePosition = value;
+    int oldPos = m_cursorPosition;
+    m_cursorPosition = value * m_scale;
+    if (oldPos == m_cursorPosition) return;
+    const int offset = 6;
+    const int x = qMin(oldPos, m_cursorPosition);
+    const int w = qAbs(oldPos - m_cursorPosition);
+    update(x - offset, 9, w + 2 * offset, 6);
+}
+
+//virtual
+void SmallRuler::resizeEvent(QResizeEvent *)
+{
+    adjustScale(m_maxval);
 }
 
 // virtual
 void SmallRuler::paintEvent(QPaintEvent *e)
- {
-   //  debug ("KRuler::drawContents, %s",(horizontal==dir)?"horizontal":"vertical");
- 
-   QStylePainter p(this);
-   p.fillRect(e->rect(), QBrush(QColor(Qt::white)));
- 
-  
-   int value  = this->value(),
-     minval = minimum(),
-     maxval;
-     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;
- 
-   // draw labels
-   QFont font = p.font();
-   font.setPointSize(LABEL_SIZE);
-   p.setFont( font );
-
-   if (showLittleMarks()) {
-     // draw the little marks
-     fend = pixelPerMark()*littleMarkDistance();
-     if (fend > 2) for ( f=offsetmin; f<offsetmax; f+=fend ) {
-         p.drawLine((int)f, LITTLE_MARK_X1, (int)f, LITTLE_MARK_X2);
-     }
-   }
-   if (showMediumMarks()) {
-     // draw medium marks
-     fend = pixelPerMark()*mediumMarkDistance();
-     if (fend > 2) for ( f=offsetmin; f<offsetmax; f+=fend ) {
-         p.drawLine((int)f, MIDDLE_MARK_X1, (int)f, MIDDLE_MARK_X2);
-     }
-   }
-
-/*   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()) {
-     QPolygon pa(3);
-       pa.setPoints(3, value-6, 0, value+6, 0, value/*+0*/, 8);
-     p.setBrush( QBrush(Qt::yellow) );
-     p.drawPolygon( pa );
-   }
- 
- }
+{
+
+    QPainter p(this);
+    QRect r = e->rect();
+    p.setClipRect(r);
+
+    double f, fend;
+    p.setPen(palette().dark().color());
+
+    const int zoneStart = (int)(m_zoneStart * m_scale);
+    const int zoneEnd = (int)(m_zoneEnd * m_scale);
+
+    p.fillRect(zoneStart, height() / 2, zoneEnd - zoneStart, height() / 2, m_zoneColor);
+
+    if (r.top() < 9) {
+        // draw the little marks
+        fend = m_scale * m_small;
+        if (fend > 2) for (f = 0; f < width(); f += fend) {
+                p.drawLine((int)f, 1, (int)f, 3);
+            }
+
+        // draw medium marks
+        fend = m_scale * m_medium;
+        if (fend > 2) for (f = 0; f < width(); f += fend) {
+                p.drawLine((int)f, 1, (int)f, 5);
+            }
+    }
+
+    // draw pointer
+    QPolygon pa(3);
+    pa.setPoints(3, m_cursorPosition - 5, 14, m_cursorPosition + 5, 14, m_cursorPosition/*+0*/, 9);
+    p.setBrush(palette().dark().color());
+    p.drawPolygon(pa);
+}
 
 #include "smallruler.moc"