* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA *
***************************************************************************/
-#include <QMouseEvent>
-#include <QStylePainter>
+
+#include "keyframehelper.h"
+#include "kdenlivesettings.h"
+#include "definitions.h"
#include <KDebug>
#include <KGlobalSettings>
+#include <KColorScheme>
-#include "keyframehelper.h"
-#include "definitions.h"
+#include <QMouseEvent>
+#include <QStylePainter>
+#include <QApplication>
+const int margin = 5;
+const int cursorWidth = 6;
-KeyframeHelper::KeyframeHelper(QWidget *parent)
- : QWidget(parent), m_geom(NULL), m_position(0), m_scale(0) {
+#define SEEK_INACTIVE (-1)
+
+KeyframeHelper::KeyframeHelper(QWidget *parent) :
+ 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);
+ QPalette p = palette();
+ KColorScheme scheme(p.currentColorGroup(), KColorScheme::Window, KSharedConfig::openConfig(KdenliveSettings::colortheme()));
+ m_selected = scheme.decoration(KColorScheme::HoverColor).color();
+ m_keyframe = scheme.foreground(KColorScheme::LinkText).color();
+ m_keyframebg = scheme.shade(KColorScheme::MidShade);
}
// virtual
-void KeyframeHelper::mousePressEvent(QMouseEvent * event) {
- m_position = event->x() / m_scale;
- emit positionChanged(m_position);
- update();
+void KeyframeHelper::mousePressEvent(QMouseEvent * event)
+{
+ m_hoverKeyframe = -1;
+ if (event->button() != Qt::LeftButton) {
+ QWidget::mousePressEvent(event);
+ return;
+ }
+ int xPos = event->x() - margin;
+ if (m_geom != NULL && (event->y() < m_lineHeight)) {
+ // check if we want to move a keyframe
+ int mousePos = qMax((int)(xPos / m_scale), 0);
+ Mlt::GeometryItem item;
+ if (m_geom->next_key(&item, mousePos) == 0) {
+ if (qAbs(item.frame() * m_scale - xPos) < 4) {
+ m_drag = true;
+ m_movingItem.x(item.x());
+ m_movingItem.y(item.y());
+ m_movingItem.w(item.w());
+ m_movingItem.h(item.h());
+ m_movingItem.mix(item.mix());
+ m_movingItem.frame(item.frame());
+
+ while (!m_extraMovingItems.isEmpty()) {
+ Mlt::GeometryItem *gitem = m_extraMovingItems.takeFirst();
+ if (gitem) delete gitem;
+ }
+ 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 {
+ m_extraMovingItems.append(NULL);
+ }
+ }
+
+ m_dragStart = event->pos();
+ m_movingKeyframe = true;
+ return;
+ }
+ }
+ }
+ if (event->y() >= m_lineHeight && event->y() < height()) {
+ int seekRequest = xPos / m_scale;
+ m_drag = true;
+ if (seekRequest != m_position) {
+ m_seekPosition = seekRequest;
+ emit requestSeek(m_seekPosition);
+ update();
+ }
+ }
+}
+
+void KeyframeHelper::leaveEvent( QEvent * event )
+{
+ Q_UNUSED(event);
+ if (m_hoverKeyframe != -1) {
+ m_hoverKeyframe = -1;
+ update();
+ }
}
// virtual
-void KeyframeHelper::mouseMoveEvent(QMouseEvent * event) {
- m_position = event->x() / m_scale;
- m_position = qMax(0, m_position);
- m_position = qMin(m_length, m_position);
- emit positionChanged(m_position);
+void KeyframeHelper::mouseMoveEvent(QMouseEvent * event)
+{
+ int xPos = event->x() - margin;
+ if (!m_drag) {
+ int mousePos = qMax((int)(xPos / m_scale), 0);
+ if (qAbs(m_position * m_scale - xPos) < cursorWidth && event->y() >= m_lineHeight) {
+ // Mouse over time cursor
+ if (m_hoverKeyframe != -2) {
+ m_hoverKeyframe = -2;
+ update();
+ }
+ event->accept();
+ return;
+ }
+ if (m_geom != NULL && (event->y() < m_lineHeight)) {
+ // check if we want to move a keyframe
+ Mlt::GeometryItem item;
+ if (m_geom->next_key(&item, mousePos) == 0) {
+ if (qAbs(item.frame() * m_scale - xPos) < 4) {
+ if (m_hoverKeyframe == item.frame()) return;
+ m_hoverKeyframe = item.frame();
+ setCursor(Qt::PointingHandCursor);
+ update();
+ event->accept();
+ return;
+ }
+ }
+ }
+ if (m_hoverKeyframe != -1) {
+ m_hoverKeyframe = -1;
+ setCursor(Qt::ArrowCursor);
+ update();
+ }
+ event->accept();
+ 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)
+ 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;
+ m_movingItem.frame(pos);
+ for (int i = 0; i < m_extraMovingItems.count(); ++i) {
+ if (m_extraMovingItems.at(i))
+ m_extraMovingItems[i]->frame(pos);
+ }
+ update();
+ return;
+ }
+ m_seekPosition = (int) (xPos / m_scale);
+ m_seekPosition = qMax(0, m_seekPosition);
+ m_seekPosition = qMin(frameLength, m_seekPosition);
+ m_hoverKeyframe = -2;
+ emit requestSeek(m_seekPosition);
update();
}
+void KeyframeHelper::mouseDoubleClickEvent(QMouseEvent * event)
+{
+ if (m_geom != NULL && event->button() == Qt::LeftButton) {
+ // check if we want to move a keyframe
+ int xPos = event->x() - margin;
+ int mousePos = qMax((int)(xPos / m_scale - 5), 0);
+ Mlt::GeometryItem item;
+ if (m_geom->next_key(&item, mousePos) == 0 && item.frame() - mousePos < 10) {
+ // There is already a keyframe close to mouse click
+ emit removeKeyframe(item.frame());
+ return;
+ }
+ // add new keyframe
+ emit addKeyframe((int)(xPos / m_scale));
+ }
+}
// virtual
-void KeyframeHelper::wheelEvent(QWheelEvent * e) {
- if (e->delta() < 0) m_position = m_position - 1;
- else m_position = m_position + 1;
+void KeyframeHelper::mouseReleaseEvent(QMouseEvent * event)
+{
+ m_drag = false;
+ setCursor(Qt::ArrowCursor);
+ m_hoverKeyframe = -1;
+ if (m_movingKeyframe) {
+ m_geom->insert(m_movingItem);
+ m_movingKeyframe = false;
+
+ 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);
+ return;
+ }
+ QWidget::mouseReleaseEvent(event);
+}
+
+// virtual
+void KeyframeHelper::wheelEvent(QWheelEvent * e)
+{
+ if (e->delta() < 0)
+ --m_position;
+ else
+ ++m_position;
m_position = qMax(0, m_position);
- m_position = qMin(m_length, m_position);
- emit positionChanged(m_position);
+ m_position = qMin(frameLength, m_position);
+ emit requestSeek(m_position);
update();
/* int delta = 1;
if (e->modifiers() == Qt::ControlModifier) delta = m_timecode.fps();
}
// virtual
-void KeyframeHelper::paintEvent(QPaintEvent *e) {
+void KeyframeHelper::paintEvent(QPaintEvent *e)
+{
QStylePainter p(this);
const QRectF clipRect = e->rect();
p.setClipRect(clipRect);
- m_scale = (double) width() / m_length;
+ m_scale = (double) (width() - 2 * margin) / frameLength;
if (m_geom != NULL) {
int pos = 0;
- p.setPen(QColor(255, 20, 20));
+ p.setPen(m_keyframe);
+ p.setBrush(m_keyframebg);
Mlt::GeometryItem item;
while (true) {
if (m_geom->next_key(&item, pos) == 1) break;
pos = item.frame();
- int scaledPos = pos * m_scale;
- p.drawLine(scaledPos, 0, scaledPos, 10);
+ if (pos == m_hoverKeyframe) {
+ p.setBrush(m_selected);
+ }
+ int scaledPos = margin + pos * m_scale;
+ // draw keyframes
+ p.drawLine(scaledPos, 9, scaledPos, 15);
+ // draw pointer
+ QPolygon pa(4);
+ pa.setPoints(4,
+ scaledPos, 0,
+ scaledPos - 4, 4,
+ scaledPos, 8,
+ scaledPos + 4, 4);
+ p.drawPolygon(pa);
+ //p.drawEllipse(scaledPos - 4, 0, 8, 8);
+ if (pos == m_hoverKeyframe) {
+ p.setBrush(m_keyframebg);
+ }
//p.fillRect(QRect(scaledPos - 1, 0, 2, 15), QBrush(QColor(255, 20, 20)));
pos++;
}
+
+ if (m_movingKeyframe) {
+ p.setBrush(m_selected);
+ int scaledPos = margin + (int)(m_movingItem.frame() * m_scale);
+ // draw keyframes
+ p.drawLine(scaledPos, 9, scaledPos, 15);
+ // draw pointer
+ QPolygon pa(5);
+ pa.setPoints(4,
+ scaledPos, 0,
+ scaledPos - 4, 4,
+ scaledPos, 8,
+ scaledPos + 4, 4);
+ p.drawPolygon(pa);
+ p.setBrush(m_keyframe);
+ }
}
p.setPen(palette().dark().color());
- p.drawLine(clipRect.x(), 5, clipRect.right(), 5);
+ p.drawLine(margin, m_lineHeight, width() - margin - 1, m_lineHeight);
+ p.drawLine(margin, m_lineHeight - 3, margin, 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 = m_position * m_scale;
- pa.setPoints(3, cursor - 5, 11, cursor + 5, 11, cursor/*+0*/, 6);
- p.setBrush(palette().dark().color());
+ const int cursor = margin + m_position * m_scale;
+ pa.setPoints(3, cursor - cursorWidth, 16, cursor + cursorWidth, 16, cursor, 10);
+ if (m_hoverKeyframe == -2)
+ p.setBrush(palette().highlight());
+ else
+ p.setBrush(palette().dark().color());
p.drawPolygon(pa);
-
-
}
-const int KeyframeHelper::value() const {
+int KeyframeHelper::value() const
+{
return m_position;
}
-void KeyframeHelper::setValue(const int pos) {
- if (pos == m_position || m_geom == NULL) return;
+void KeyframeHelper::setValue(const int pos)
+{
+ 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) {
+void KeyframeHelper::setKeyGeometry(Mlt::Geometry *geom, const int length)
+{
m_geom = geom;
- m_length = length;
+ frameLength = qMax(1, length);
update();
}
+void KeyframeHelper::addGeometry(Mlt::Geometry *geom)
+{
+ m_extraGeometries.append(geom);
+}
+
#include "keyframehelper.moc"
projects / kdenlive / blobdiff