Correctly update monitor when changing a title clip duration

[kdenlive] / src / customruler.cpp

diff --git a/src/customruler.cpp b/src/customruler.cpp
index fd9786e645a36dfd5fb1b26847ec52db8d201a41..0d4eef4ebc849fad63ffc893c7b271b46b12623d 100644 (file)
--- a/src/customruler.cpp
+++ b/src/customruler.cpp
@@ -24,6 +24,7 @@
 #include <KCursor>
 #include <KGlobalSettings>
 
+#include <QApplication>
 #include <QMouseEvent>
 #include <QStylePainter>
 
@@ -40,7 +41,7 @@ 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 int LABEL_SIZE;
 static const int END_LABEL_X = 4;
 static const int END_LABEL_Y = (END_LABEL_X + LABEL_SIZE - 2);
 
@@ -58,9 +59,12 @@ CustomRuler::CustomRuler(Timecode tc, CustomTrackView *parent) :
         m_view(parent),
         m_duration(0),
         m_offset(0),
-        m_clickedGuide(-1)
+        m_clickedGuide(-1),
+        m_mouseMove(NO_MOVE)
 {
     setFont(KGlobalSettings::toolBarFont());
+    QFontMetricsF fontMetrics(font());
+    LABEL_SIZE = fontMetrics.ascent() - 2;
     m_scale = 3;
     m_zoneColor = QColor(133, 255, 143);
     littleMarkDistance = FRAME_SIZE;
@@ -108,6 +112,11 @@ void CustomRuler::setZone(QPoint p)
     update(min * m_factor - 2, 0, (max - min) * m_factor + 4, height());
 }
 
+void CustomRuler::mouseReleaseEvent(QMouseEvent * event)
+{
+    m_mouseMove = NO_MOVE;
+}
+
 // virtual
 void CustomRuler::mousePressEvent(QMouseEvent * event)
 {
@@ -127,8 +136,11 @@ void CustomRuler::mousePressEvent(QMouseEvent * event)
         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)
+    if (m_moveCursor == RULER_CURSOR) {
         m_view->setCursorPos((int) pos / m_factor);
+        m_clickPoint = event->pos();
+        m_startRate = m_rate;
+    }
 }
 
 // virtual
@@ -140,8 +152,21 @@ void CustomRuler::mouseMoveEvent(QMouseEvent * event)
         int zoneEnd = m_zoneEnd;
         if (pos < 0) pos = 0;
         if (m_moveCursor == RULER_CURSOR) {
-            m_view->setCursorPos(pos);
-            m_view->slotCheckPositionScrolling();
+            QPoint diff = event->pos() - m_clickPoint;
+            if (m_mouseMove == NO_MOVE) {
+                if (qAbs(diff.x()) >= QApplication::startDragDistance()) {
+                    m_mouseMove = HORIZONTAL_MOVE;
+                } else if (qAbs(diff.y()) >= QApplication::startDragDistance()) {
+                    m_mouseMove = VERTICAL_MOVE;
+                } else return;
+            }
+            if (m_mouseMove == HORIZONTAL_MOVE) {
+                m_view->setCursorPos(pos);
+                m_view->slotCheckPositionScrolling();
+            } else {
+                int verticalDiff = m_startRate - (diff.y()) / 7;
+                if (verticalDiff != m_rate) emit adjustZoom(verticalDiff);
+            }
             return;
         } else if (m_moveCursor == RULER_START) m_zoneStart = pos;
         else if (m_moveCursor == RULER_END) m_zoneEnd = pos;
@@ -161,10 +186,19 @@ void CustomRuler::mouseMoveEvent(QMouseEvent * event)
     } 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);
+        else if (qAbs(pos - m_zoneStart * m_factor) < 4) {
+            setCursor(KCursor("left_side", Qt::SizeHorCursor));
+            setToolTip(i18n("Zone start: %1", m_timecode.getTimecodeFromFrames(m_zoneStart)));
+        } else if (qAbs(pos - m_zoneEnd * m_factor) < 4) {
+            setCursor(KCursor("right_side", Qt::SizeHorCursor));
+            setToolTip(i18n("Zone end: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd)));
+        } else if (qAbs(pos - (m_zoneStart + (m_zoneEnd - m_zoneStart) / 2) * m_factor) < 4) {
+            setCursor(Qt::SizeHorCursor);
+            setToolTip(i18n("Zone duration: %1", m_timecode.getTimecodeFromFrames(m_zoneEnd - m_zoneStart)));
+        } else {
+            setCursor(Qt::ArrowCursor);
+            setToolTip(QString());
+        }
     }
 }
 
@@ -207,9 +241,10 @@ void CustomRuler::slotCursorMoved(int oldpos, int newpos)
     } else update(qMin(oldpos, newpos) * m_factor - offset() - 6, 0, qAbs(oldpos - newpos) * m_factor + 17, height());
 }
 
-void CustomRuler::setPixelPerMark(double rate)
+void CustomRuler::setPixelPerMark(int rate)
 {
-    int scale = comboScale[(int) rate];
+    int scale = comboScale[rate];
+    m_rate = rate;
     m_factor = 1.0 / (double) scale * FRAME_SIZE;
     m_scale = 1.0 / (double) scale;
     double fend = m_scale * littleMarkDistance;
@@ -226,7 +261,7 @@ void CustomRuler::setPixelPerMark(double rate)
         mediumMarkDistance = (double) FRAME_SIZE * m_timecode.fps();
         bigMarkDistance = (double) FRAME_SIZE * m_timecode.fps() * 60;
     }
-    switch ((int) rate) {
+    switch (rate) {
     case 0:
         m_textSpacing = fend;
         break;
@@ -334,8 +369,10 @@ void CustomRuler::paintEvent(QPaintEvent *e)
     }
 
     if (zoneEnd > 0) {
+        QColor center(Qt::white);
+        center.setAlpha(150);
         QRect rec(zoneStart - off + (zoneEnd - zoneStart) / 2 - 4, 9, 8, 9);
-        p.fillRect(rec, QColor(255, 255, 255, 150));
+        p.fillRect(rec, center);
         p.drawRect(rec);
 
         QPolygon pa(4);