Const'ref

[kdenlive] / src / guide.cpp

diff --git a/src/guide.cpp b/src/guide.cpp
index a93905826407e5ead59c5b7cc64fa578d5df9556..ba05ec6aef126841aa744ae0cbe494b013b5c1d9 100644 (file)
--- a/src/guide.cpp
+++ b/src/guide.cpp
@@ -17,29 +17,156 @@
  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  ***************************************************************************/
 
+#include "guide.h"
+#include "customtrackview.h"
+#include "kdenlivesettings.h"
+
+#include <KDebug>
 
 #include <QPen>
+#include <QBrush>
+#include <QStyleOptionGraphicsItem>
+#include <QGraphicsView>
+#include <QScrollBar>
 
-#include <KDebug>
+Guide::Guide(CustomTrackView *view, const GenTime &pos, const QString &label, double height) :
+        QGraphicsLineItem(),
+        m_position(pos),
+        m_label(label),
+        m_view(view),
+        m_pen(QPen())
+{
+    setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIgnoresTransformations);
+#if QT_VERSION >= 0x040600
+    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
+#endif
+    setToolTip(label);
+    setLine(0, 0, 0, height);
+    if (m_position < GenTime()) m_position = GenTime();
+    setPos(m_position.frames(m_view->fps()), 0);
+    m_pen.setWidthF(0);
+    m_pen.setColor(QColor(0, 0, 200, 180));
+    //m_pen.setCosmetic(true);
+    setPen(m_pen);
+    setZValue(999);
+    setAcceptsHoverEvents(true);
+    const QFontMetrics metric = m_view->fontMetrics();
+    m_width = metric.width(' ' + m_label + ' ') + 2;
+    prepareGeometryChange();
+}
 
-#include "guide.h"
+QString Guide::label() const
+{
+    return m_label;
+}
 
-Guide::Guide(GenTime pos, QString label, double scale, double fps, double height)
-        : QGraphicsLineItem(), m_position(pos), m_label(label), m_fps(fps) {
+GenTime Guide::position() const
+{
+    return m_position;
+}
 
-    setLine(m_position.frames(m_fps) * scale, 0, m_position.frames(m_fps) * scale, height);
-    setPen(QPen(QColor(0, 0, 200, 180)));
-    setZValue(999);
+CommentedTime Guide::info() const
+{
+    return CommentedTime(m_position, m_label);
+}
+
+void Guide::updateGuide(const GenTime &newPos, const QString &comment)
+{
+    m_position = newPos;
+    setPos(m_position.frames(m_view->fps()), 0);
+    if (!comment.isEmpty()) {
+        m_label = comment;
+        setToolTip(m_label);
+        const QFontMetrics metric = m_view->fontMetrics();
+        m_width = metric.width(' ' + m_label + ' ') + 2;
+        prepareGeometryChange();
+    }
+}
+
+void Guide::updatePos()
+{
+    setPos(m_position.frames(m_view->fps()), 0);
 }
 
+//virtual
+int Guide::type() const
+{
+    return GUIDEITEM;
+}
 
-void Guide::updatePosition(double scale, double height) {
-    setLine(m_position.frames(m_fps) * scale, 0, m_position.frames(m_fps) * scale, height);
+//virtual
+void Guide::hoverEnterEvent(QGraphicsSceneHoverEvent *)
+{
+    m_pen.setColor(QColor(200, 0, 0, 180));
+    setPen(m_pen);
 }
 
-GenTime Guide::position() {
-       return m_position;
+//virtual
+void Guide::hoverLeaveEvent(QGraphicsSceneHoverEvent *)
+{
+    m_pen.setColor(QColor(0, 0, 200, 180));
+    setPen(m_pen);
 }
 
+//virtual
+QVariant Guide::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+    if (change == ItemPositionChange && scene()) {
+        // value is the new position.
+        QPointF newPos = value.toPointF();
+        newPos.setY(0);
+        newPos.setX(m_view->getSnapPointForPos(newPos.x()));
+        if (newPos.x() < 0.0) newPos.setX(0.0);
+        return newPos;
+    }
+    return QGraphicsItem::itemChange(change, value);
+}
 
+// virtual
+QRectF Guide::boundingRect() const
+{
+    double scale = m_view->matrix().m11();
+    double width = m_pen.widthF() / scale * 2;
+    QRectF rect(line().x1() - width / 2 , line().y1(), width, line().y2() - line().y1());
+    if (KdenliveSettings::showmarkers()) {
+        // +3 to cover the arc at the end of the comment
+        rect.setWidth(width + m_width + 3);
+    }
+    return rect;
+}
+
+// virtual
+QPainterPath Guide::shape() const
+{
+    QPainterPath path;
+    if (!scene()) return path;
+    double width = m_pen.widthF() * 2;
+    path.addRect(line().x1() - width / 2 , line().y1(), width, line().y2() - line().y1());
+    if (KdenliveSettings::showmarkers() && scene()->views().count()) {
+        const QFontMetrics metric = m_view->fontMetrics();
+        int offset = scene()->views()[0]->verticalScrollBar()->value();
+        QRectF txtBounding(line().x1(), line().y1() + offset, m_width, metric.height());
+        path.addRect(txtBounding);
+    }
+    return path;
+}
+
+// virtual
+void Guide::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget */*w*/)
+{
+    QGraphicsLineItem::paint(painter, option);
+    if (KdenliveSettings::showmarkers() && scene() && scene()->views().count()) {
+        QPointF p1 = line().p1();
+        const QFontMetrics metric = m_view->fontMetrics();
+       painter->setClipRect(option->rect);
+        // makes sure the text stays visible when scrolling vertical
+        int offset = scene()->views()[0]->verticalScrollBar()->value();
+
+        QRectF txtBounding = painter->boundingRect(p1.x(), p1.y() + offset, m_width, metric.height(), Qt::AlignLeft | Qt::AlignTop, m_label);
+       painter->setBrush(QBrush(m_pen.color()));
+       painter->drawRoundedRect(txtBounding.adjusted(-5, -5, 2, 1), 3, 3);
+        painter->setPen(Qt::white);
+        painter->drawText(txtBounding.adjusted(1, 0, 1, 0), Qt::AlignCenter, m_label);
+    }
+}