Show overlay info on monitor when position is at zone start or end:

http://www.kdenlive.org/mantis/view.php?id=403

svn path=/branches/KDE4/; revision=2732

diff --git a/src/monitor.cpp b/src/monitor.cpp
index 3ba88ef1c050b2b0b9f1db0604f50abd0774a246..d28b905f21776f3e632ef59e5a833719dfe19ec1 100644 (file)
--- a/src/monitor.cpp
+++ b/src/monitor.cpp
@@ -24,6 +24,7 @@
 #include <QToolButton>
 #include <QToolBar>
 #include <QDesktopWidget>
+#include <QLabel>
 
 #include <KDebug>
 #include <KLocale>
@@ -110,6 +111,9 @@ Monitor::Monitor(QString name, MonitorManager *manager, QWidget *parent)
     render = new Render(m_name, (int) m_monitorRefresh->winId(), -1, this);
     m_monitorRefresh->setRenderer(render);
 
+    m_overlay = new Overlay(m_monitorRefresh);
+    m_overlay->raise();
+    m_overlay->setHidden(true);
 
 
     connect(m_ruler, SIGNAL(seekRenderer(int)), this, SLOT(slotSeek(int)));
@@ -132,6 +136,13 @@ Monitor::Monitor(QString name, MonitorManager *manager, QWidget *parent)
     kDebug() << "/////// BUILDING MONITOR, ID: " << ui.video_frame->winId();
 }
 
+Monitor::~Monitor() {
+    delete m_ruler;
+    delete m_timePos;
+    delete m_overlay;
+    delete m_monitorRefresh;
+}
+
 QString Monitor::name() const {
     return m_name;
 }
@@ -202,16 +213,19 @@ void Monitor::resetSize() {
 
 void Monitor::slotZoneMoved(int start, int end) {
     m_ruler->setZone(start, end);
+    checkOverlay();
 }
 
 void Monitor::slotSetZoneStart() {
     m_ruler->setZone(m_position, -1);
     emit zoneUpdated(m_ruler->zone());
+    checkOverlay();
 }
 
 void Monitor::slotSetZoneEnd() {
     m_ruler->setZone(-1, m_position);
     emit zoneUpdated(m_ruler->zone());
+    checkOverlay();
 }
 
 // virtual
@@ -350,6 +364,15 @@ void Monitor::slotSeek(int pos) {
     m_position = pos;
     emit renderPosition(m_position);
     m_timePos->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
+    checkOverlay();
+}
+
+void Monitor::checkOverlay() {
+    QPoint zone = m_ruler->zone();
+    //kDebug()<<"RUL: "<<pos<<", ZONE: "<<zone;
+    if (m_position == zone.x()) m_overlay->setOverlayText(i18n("In Point"));
+    else if (m_position == zone.y()) m_overlay->setOverlayText(i18n("Out Point"));
+    else m_overlay->setHidden(true);
 }
 
 void Monitor::slotStart() {
@@ -418,6 +441,7 @@ void Monitor::slotRewindOneFrame() {
     render->seekToFrame(m_position);
     emit renderPosition(m_position);
     m_timePos->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
+    checkOverlay();
 }
 
 void Monitor::slotForwardOneFrame() {
@@ -428,6 +452,7 @@ void Monitor::slotForwardOneFrame() {
     render->seekToFrame(m_position);
     emit renderPosition(m_position);
     m_timePos->setText(m_monitorManager->timecode().getTimecodeFromFrames(m_position));
+    checkOverlay();
 }
 
 void Monitor::seekCursor(int pos) {
@@ -435,6 +460,7 @@ void Monitor::seekCursor(int pos) {
     m_position = pos;
     m_timePos->setText(m_monitorManager->timecode().getTimecodeFromFrames(pos));
     m_ruler->slotNewValue(pos);
+    checkOverlay();
 }
 
 void Monitor::rendererStopped(int pos) {
@@ -581,4 +607,28 @@ void MonitorRefresh::paintEvent(QPaintEvent * event) {
     if (m_renderer) m_renderer->doRefresh();
 }
 
+
+Overlay::Overlay(QWidget* parent): QWidget(parent) {
+    setAttribute(Qt::WA_TransparentForMouseEvents);
+    //setAttribute(Qt::WA_OpaquePaintEvent); //
+    //setAttribute(Qt::WA_NoSystemBackground);
+    setAutoFillBackground(false);
+}
+
+void Overlay::paintEvent(QPaintEvent * event) {
+    QPainter painter(this);
+    painter.fillRect(event->rect(), QColor(200, 0, 0));
+    painter.drawText(event->rect(), Qt::AlignCenter, m_text);
+    //if (m_renderer) m_renderer->doRefresh();
+}
+
+void Overlay::setOverlayText(const QString &text) {
+    kDebug() << "///////  SET OVERLAY: " << text;
+    m_text = text;
+    setHidden(false);
+    update();
+}
+
+
+
 #include "monitor.moc"

diff --git a/src/monitor.h b/src/monitor.h
index 6e989dc96af03e7c6faa70274e705f6c1f4d6a81..106d4bd9fa0787d1861d3f3f725c12b0f1f0cf9e 100644 (file)
--- a/src/monitor.h
+++ b/src/monitor.h
@@ -44,11 +44,23 @@ private:
     Render *m_renderer;
 };
 
+class Overlay : public QWidget {
+    Q_OBJECT
+public:
+    Overlay(QWidget* parent);
+    virtual void paintEvent(QPaintEvent * event);
+    void setOverlayText(const QString &);
+
+private:
+    QString m_text;
+};
+
 class Monitor : public QWidget {
     Q_OBJECT
 
 public:
     Monitor(QString name, MonitorManager *manager, QWidget *parent = 0);
+    virtual ~Monitor();
     Render *render;
     void resetProfile();
     QString name() const;
@@ -90,6 +102,8 @@ private:
     DocClipBase *m_currentClip;
     QPoint m_DragStartPosition;
     bool m_dragStarted;
+    Overlay *m_overlay;
+    void checkOverlay();
 
 private slots:
     void adjustRulerSize(int length);