diff view/ViewManager.h @ 607:5b72899d692b

Give a dedicated key to toggling the centre line, and move it out of the overlay level setting -- reducing number of overlay levels to 3. Introduce two distinct vertical scale types (so that we can hide the spectrogram colour scale part easily)

--- a/view/ViewManager.h	Mon Jan 30 13:24:55 2012 +0000
+++ b/view/ViewManager.h	Mon Jan 30 16:01:59 2012 +0000
@@ -148,26 +148,28 @@
     enum OverlayMode {
         NoOverlays,
         MinimalOverlays,
-        StandardOverlays,
         AllOverlays
     };
     void setOverlayMode(OverlayMode mode);
     OverlayMode getOverlayMode() const { return m_overlayMode; }
 
-    bool shouldShowCentreLine() const {
+    void setShowCentreLine(bool show);
+    bool shouldShowCentreLine() const { return m_showCentreLine; }
+
+    bool shouldShowDuration() const {
         return m_overlayMode != NoOverlays;
     }
     bool shouldShowFrameCount() const {
+        return m_showCentreLine && shouldShowDuration();
+    }
+    bool shouldShowVerticalScale() const {
         return m_overlayMode != NoOverlays;
     }
-    bool shouldShowDuration() const {
-        return m_overlayMode > MinimalOverlays;
-    }
-    bool shouldShowVerticalScale() const {
-        return m_overlayMode > MinimalOverlays;
+    bool shouldShowVerticalColourScale() const {
+        return m_overlayMode == AllOverlays;
     }
     bool shouldShowSelectionExtents() const {
-        return m_overlayMode > MinimalOverlays;
+        return m_overlayMode != NoOverlays;
     }
     bool shouldShowLayerNames() const {
         return m_overlayMode == AllOverlays;
@@ -232,6 +234,9 @@
     /** Emitted when the overlay mode has been changed. */
     void overlayModeChanged();
 
+    /** Emitted when the centre line visibility has been changed. */
+    void showCentreLineChanged();
+
     /** Emitted when the zoom wheels have been toggled. */
     void zoomWheelsEnabledChanged();
 
@@ -294,6 +299,7 @@
 
     OverlayMode m_overlayMode;
     bool m_zoomWheelsEnabled;
+    bool m_showCentreLine;
     bool m_illuminateLocalFeatures;
     bool m_showWorkTitle;