improve ruler tooltips

[kdenlive] / src / smallruler.cpp

diff --git a/src/smallruler.cpp b/src/smallruler.cpp
index 8881329c08bb330997879da4bf2fcb17697d87bd..c002c5c46c4a03978b4d592595ca2ac49023a019 100644 (file)
--- a/src/smallruler.cpp
+++ b/src/smallruler.cpp
@@ -25,14 +25,16 @@
 #include <QMouseEvent>
 #include <QStylePainter>
 
-SmallRuler::SmallRuler(QWidget *parent) :
+SmallRuler::SmallRuler(MonitorManager *manager, QWidget *parent) :
         QWidget(parent),
         m_scale(1),
-        m_maxval(25)
+        m_maxval(25),
+        m_manager(manager)
 {
     m_zoneStart = 10;
     m_zoneEnd = 60;
     m_zoneColor = QColor(133, 255, 143);
+    setMouseTracking(true);
 }
 
 void SmallRuler::adjustScale(int maximum)
@@ -52,7 +54,7 @@ void SmallRuler::adjustScale(int maximum)
         m_medium = 60 * 25;
     }
     m_cursorPosition = m_cursorFramePosition * m_scale;
-    update();
+    updatePixmap();
 }
 
 void SmallRuler::setZone(int start, int end)
@@ -75,7 +77,13 @@ void SmallRuler::setZone(int start, int end)
             m_zoneEnd = end;
         } else m_zoneEnd = end;
     }
-    update();
+    updatePixmap();
+}
+
+void SmallRuler::setMarkers(QList < int > list)
+{
+    m_markers = list;
+    updatePixmap();
 }
 
 QPoint SmallRuler::zone()
@@ -92,7 +100,7 @@ void SmallRuler::mousePressEvent(QMouseEvent * event)
         if (qAbs(pos - m_zoneStart) < qAbs(pos - m_zoneEnd)) m_zoneStart = pos;
         else m_zoneEnd = pos;
         emit zoneChanged(QPoint(m_zoneStart, m_zoneEnd));
-        update();
+        updatePixmap();
 
     } else emit seekRenderer((int) pos);
 }
@@ -102,6 +110,15 @@ void SmallRuler::mouseMoveEvent(QMouseEvent * event)
 {
     const int pos = event->x() / m_scale;
     if (event->buttons() & Qt::LeftButton) emit seekRenderer((int) pos);
+    else {
+        if (qAbs((pos - m_zoneStart) * m_scale) < 4) {
+            setToolTip(i18n("Zone start: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneStart)));
+        } else if (qAbs((pos - m_zoneEnd) * m_scale) < 4) {
+            setToolTip(i18n("Zone end: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd)));
+        } else if (pos > m_zoneStart && pos < m_zoneEnd) {
+            setToolTip(i18n("Zone duration: %1", m_manager->timecode().getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
+        } else setToolTip(i18n("Position: %1", m_manager->timecode().getTimecodeFromFrames(pos)));
+    }
 }
 
 void SmallRuler::slotNewValue(int value)
@@ -113,7 +130,7 @@ void SmallRuler::slotNewValue(int value)
     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);
+    update(x - offset, 4, w + 2 * offset, 6);
 }
 
 //virtual
@@ -122,40 +139,54 @@ void SmallRuler::resizeEvent(QResizeEvent *)
     adjustScale(m_maxval);
 }
 
-// virtual
-void SmallRuler::paintEvent(QPaintEvent *e)
+void SmallRuler::updatePixmap()
 {
-
-    QPainter p(this);
-    QRect r = e->rect();
-    p.setClipRect(r);
-
+    m_pixmap = QPixmap(width(), height());
+    m_pixmap.fill(palette().window().color());
+    QPainter p(&m_pixmap);
     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 - 1, zoneEnd - zoneStart, height() / 2, m_zoneColor);
+
+    // draw markers
+    if (!m_markers.isEmpty()) {
+        p.setPen(Qt::red);
+        for (int i = 0; i < m_markers.count(); i++) {
+            p.drawLine(m_markers.at(i) * m_scale, 0, m_markers.at(i) * m_scale, 9);
+        }
+    }
+    p.setPen(palette().dark().color());
+    // draw the little marks
+    fend = m_scale * m_small;
+    if (fend > 2) for (f = 0; f < width(); f += fend) {
+            p.drawLine((int)f, 0, (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, 0, (int)f, 6);
+        }
+    p.end();
+    update();
+}
 
-    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);
-            }
+// virtual
+void SmallRuler::paintEvent(QPaintEvent *e)
+{
 
-        // 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);
-            }
-    }
+    QPainter p(this);
+    QRect r = e->rect();
+    p.setClipRect(r);
+    p.drawPixmap(QPointF(), m_pixmap);
 
     // draw pointer
     QPolygon pa(3);
-    pa.setPoints(3, m_cursorPosition - 5, 14, m_cursorPosition + 5, 14, m_cursorPosition/*+0*/, 9);
+    pa.setPoints(3, m_cursorPosition - 5, 10, m_cursorPosition + 5, 10, m_cursorPosition/*+0*/, 5);
     p.setBrush(palette().dark().color());
+    p.setPen(Qt::NoPen);
     p.drawPolygon(pa);
 }