const int margin = 5;
const int cursorWidth = 6;
+#define SEEK_INACTIVE (-1)
+
KeyframeHelper::KeyframeHelper(QWidget *parent) :
- QWidget(parent),
- m_geom(NULL),
- m_position(0),
- m_scale(0),
- m_movingKeyframe(false),
- m_lineHeight(9),
- m_drag(false),
- m_hoverKeyframe(-1)
+ QWidget(parent)
+ , frameLength(1)
+ , m_geom(NULL)
+ , m_position(0)
+ , m_scale(0)
+ , m_movingKeyframe(false)
+ , m_movingItem()
+ , m_lineHeight(9)
+ , m_drag(false)
+ , m_hoverKeyframe(-1)
+ , m_seekPosition(SEEK_INACTIVE)
{
setFont(KGlobalSettings::toolBarFont());
setMouseTracking(true);
{
m_hoverKeyframe = -1;
if (event->button() != Qt::LeftButton) {
- QWidget::mousePressEvent(event);
- return;
+ QWidget::mousePressEvent(event);
+ return;
}
int xPos = event->x() - margin;
if (m_geom != NULL && (event->y() < m_lineHeight)) {
while (!m_extraMovingItems.isEmpty()) {
Mlt::GeometryItem *gitem = m_extraMovingItems.takeFirst();
- delete gitem;
+ if (gitem) delete gitem;
}
- for (int i = 0; i < m_extraGeometries.count(); i++) {
- Mlt::GeometryItem *item2 = new Mlt::GeometryItem();
+ for (int i = 0; i < m_extraGeometries.count(); ++i) {
if (m_extraGeometries.at(i)->next_key(item, mousePos) == 0) {
+ Mlt::GeometryItem *item2 = new Mlt::GeometryItem();
item2->x(item.x());
item2->frame(item.frame());
m_extraMovingItems.append(item2);
} else {
- delete(item2);
+ m_extraMovingItems.append(NULL);
}
}
}
}
if (event->y() >= m_lineHeight && event->y() < height()) {
+ int seekRequest = xPos / m_scale;
m_drag = true;
- m_position = xPos / m_scale;
- emit positionChanged(m_position);
- update();
+ if (seekRequest != m_position) {
+ m_seekPosition = seekRequest;
+ emit requestSeek(m_seekPosition);
+ update();
+ }
}
}
void KeyframeHelper::leaveEvent( QEvent * event )
{
- Q_UNUSED(event);
+ Q_UNUSED(event)
if (m_hoverKeyframe != -1) {
m_hoverKeyframe = -1;
update();
update();
}
event->accept();
- return;
+ return;
}
if (m_movingKeyframe) {
if (!m_dragStart.isNull()) {
if ((QPoint(xPos, event->y()) - m_dragStart).manhattanLength() < QApplication::startDragDistance()) return;
m_dragStart = QPoint();
m_geom->remove(m_movingItem.frame());
- for (int i = 0; i < m_extraGeometries.count(); i++)
+ for (int i = 0; i < m_extraGeometries.count(); ++i)
m_extraGeometries[i]->remove(m_movingItem.frame());
}
int pos = qBound(0, (int)(xPos / m_scale), frameLength);
- if (KdenliveSettings::snaptopoints() && qAbs(pos - m_position) < 5) pos = m_position;
+ if (KdenliveSettings::snaptopoints() && qAbs(pos - m_position) < 5)
+ pos = m_position;
m_movingItem.frame(pos);
- for (int i = 0; i < m_extraMovingItems.count(); i++) {
- m_extraMovingItems[i]->frame(pos);
+ for (int i = 0; i < m_extraMovingItems.count(); ++i) {
+ if (m_extraMovingItems.at(i))
+ m_extraMovingItems[i]->frame(pos);
}
update();
return;
}
- m_position = xPos / m_scale;
- m_position = qMax(0, m_position);
- m_position = qMin(frameLength, m_position);
+ m_seekPosition = (int) (xPos / m_scale);
+ m_seekPosition = qMax(0, m_seekPosition);
+ m_seekPosition = qMin(frameLength, m_seekPosition);
m_hoverKeyframe = -2;
- emit positionChanged(m_position);
+ emit requestSeek(m_seekPosition);
update();
}
m_geom->insert(m_movingItem);
m_movingKeyframe = false;
- for (int i = 0; i < m_extraGeometries.count(); i++) {
- m_extraGeometries[i]->insert(m_extraMovingItems.at(i));
+ for (int i = 0; i < m_extraGeometries.count(); ++i) {
+ if (m_extraMovingItems.at(i))
+ m_extraGeometries[i]->insert(m_extraMovingItems.at(i));
}
emit keyframeMoved(m_position);
++m_position;
m_position = qMax(0, m_position);
m_position = qMin(frameLength, m_position);
- emit positionChanged(m_position);
+ emit requestSeek(m_position);
update();
/* int delta = 1;
if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
p.setPen(palette().dark().color());
p.drawLine(margin, m_lineHeight, width() - margin - 1, m_lineHeight);
p.drawLine(margin, m_lineHeight - 3, margin, m_lineHeight + 3);
- p.drawLine(width() - margin - 1, m_lineHeight - 3, width() - margin - 1, m_lineHeight + 3);
+ p.drawLine(width() - margin, m_lineHeight - 3, width() - margin, m_lineHeight + 3);
// draw pointer
+ if (m_seekPosition != SEEK_INACTIVE) {
+ p.fillRect(margin + m_seekPosition * m_scale - 1, 0, 3, height(), palette().dark());
+ }
QPolygon pa(3);
const int cursor = margin + m_position * m_scale;
pa.setPoints(3, cursor - cursorWidth, 16, cursor + cursorWidth, 16, cursor, 10);
void KeyframeHelper::setValue(const int pos)
{
- if (pos == m_position || m_geom == NULL) return;
+ if (pos == m_position || m_geom == NULL)
+ return;
+ if (pos == m_seekPosition) {
+ m_seekPosition = SEEK_INACTIVE;
+ }
m_position = pos;
update();
}
void KeyframeHelper::setKeyGeometry(Mlt::Geometry *geom, const int length)
{
m_geom = geom;
- frameLength = length;
- while (!m_extraGeometries.isEmpty()) {
- Mlt::Geometry *geom = m_extraGeometries.takeFirst();
- delete geom;
- }
+ frameLength = qMax(1, length);
update();
}