draw passthrough overlay on overview waveform

When vinyl passthrough is enabled, dimm waveform overviews with a
translucent overlay on top of all overview itemsgraphics and put
'Passthrough' QLabel on top.
Any mouse events are still passed to the overview widget.
Skin style:
The cover color is picked from skin node <PassthroughOverlayColor>
in the Overview widget (default #bb000000), the default label style
can be adjusted in qss (#PassthroughLabel).

2 files changed, 10 insertions, 0 deletions

diff --git a/src/waveform/renderers/waveformsignalcolors.cpp b/src/waveform/renderers/waveformsignalcolors.cpp
index ea800a7ee9..41bbf22b6a 100644
--- a/src/waveform/renderers/waveformsignalcolors.cpp
+++ b/src/waveform/renderers/waveformsignalcolors.cpp
@@ -62,6 +62,14 @@ bool WaveformSignalColors::setup(const QDomNode &node, const SkinContext& contex
         m_playedOverlayColor = Qt::transparent;
     }
 
+    // This color is used to draw an overlay over the entire overview-waveforms
+    // if vinyl passthrough is enabled
+    m_passthroughOverlayColor = context.selectColor(node, "PassthroughOverlayColor");
+    m_passthroughOverlayColor = WSkinColor::getCorrectColor(m_passthroughOverlayColor).toRgb();
+    if (!m_passthroughOverlayColor.isValid()) {
+        m_passthroughOverlayColor = WSkinColor::getCorrectColor(QColor(187, 0, 0, 0)).toRgb();
+    }
+
     m_bgColor = context.selectColor(node, "BgColor");
     if (!m_bgColor.isValid()) {
         m_bgColor = Qt::transparent;
diff --git a/src/waveform/renderers/waveformsignalcolors.h b/src/waveform/renderers/waveformsignalcolors.h
index 825323c195..0e789ed1c3 100644
--- a/src/waveform/renderers/waveformsignalcolors.h
+++ b/src/waveform/renderers/waveformsignalcolors.h
@@ -23,6 +23,7 @@ class WaveformSignalColors {
     inline const QColor& getAxesColor() const { return m_axesColor; }
     inline const QColor& getPlayPosColor() const { return m_playPosColor; }
     inline const QColor& getPlayedOverlayColor() const { return m_playedOverlayColor; }
+    inline const QColor& getPassthroughOverlayColor() const { return m_passthroughOverlayColor; }
     inline const QColor& getBgColor() const { return m_bgColor; }
 
   protected:
@@ -42,6 +43,7 @@ class WaveformSignalColors {
     QColor m_axesColor;
     QColor m_playPosColor;
     QColor m_playedOverlayColor;
+    QColor m_passthroughOverlayColor;
     QColor m_bgColor;
 };