Speedup: only convert displayed frame to QImage if necessary (for on monitor scene...

[kdenlive] / src / abstractscopewidget.h

diff --git a/src/abstractscopewidget.h b/src/abstractscopewidget.h
index 11074b664fa3dc899a0572932636521a5a04f1fa..2d38c30ef3d7bdcd4498cabb29357d8a7066a9c0 100644 (file)
--- a/src/abstractscopewidget.h
+++ b/src/abstractscopewidget.h
@@ -64,7 +64,7 @@ class AbstractScopeWidget : public QWidget
     Q_OBJECT
 
 public:
-    AbstractScopeWidget(Monitor *projMonitor, Monitor *clipMonitor, QWidget *parent = 0);
+    AbstractScopeWidget(Monitor *projMonitor, Monitor *clipMonitor, bool trackMouse = false, QWidget *parent = 0);
     virtual ~AbstractScopeWidget(); // Must be virtual because of inheritance, to avoid memory leaks
     QPalette m_scopePalette;
 
@@ -72,10 +72,19 @@ public:
       Has to be called in the implementing object. */
     void init();
 
+    /** Does this scope have auto-refresh enabled */
+    bool autoRefreshEnabled();
+
     ///// Unimplemented /////
 
     virtual QString widgetName() const = 0;
 
+    ///// Variables /////
+    static const QPen penThick;
+    static const QPen penThin;
+    static const QPen penLight;
+    static const QPen penDark;
+
 protected:
     ///// Variables /////
 
@@ -97,6 +106,12 @@ protected:
         how many times faster the scope should be calculated. */
     QAction *m_aRealtime;
 
+    /** The mouse position; Updated when the mouse enters the widget
+        AND mouse tracking has been enabled. */
+    QPoint m_mousePos;
+    /** Knows whether the mouse currently lies within the widget or not.
+        Can e.g. be used for drawing a HUD only when the mouse is in the widget. */
+    bool m_mouseWithinWidget;
 
     /** Offset from the widget's borders */
     const uchar offset;
@@ -160,12 +175,15 @@ protected:
 
     ///// Reimplemented /////
 
+    void mouseMoveEvent(QMouseEvent *);
+    void leaveEvent(QEvent *);
     void mouseReleaseEvent(QMouseEvent *);
     void paintEvent(QPaintEvent *);
     void resizeEvent(QResizeEvent *);
     void showEvent(QShowEvent *); // Called when the widget is activated via the Menu entry
     //    void raise(); // Called only when  manually calling the event -> useless
 
+
 protected slots:
     /** Forces an update of all layers. */
     void forceUpdate(bool doUpdate = true);
@@ -181,6 +199,13 @@ signals:
     void signalScopeRenderingFinished(uint mseconds, uint accelerationFactor);
     void signalBackgroundRenderingFinished(uint mseconds, uint accelerationFactor);
 
+    /** For the mouse position itself see m_mousePos.
+        To check whether the mouse has leaved the widget, see m_mouseWithinWidget. */
+    void signalMousePositionChanged();
+
+    /** Do we need the renderer to send its frames to us? */
+    void requestAutoRefresh(bool);
+
 private:
 
     /** Counts the number of frames that have been rendered in the active monitor.