Fix for bug #1191

src/TrackPanel.cpp

@@ -5300,9 +5300,9 @@ void TrackPanel::HandleSliders(wxMouseEvent &event, bool pan)
    WaveTrack *capturedTrack = (WaveTrack *) mCapturedTrack;
 
    if (pan)
-      slider = mTrackInfo.PanSlider(capturedTrack);
+      slider = mTrackInfo.PanSlider(capturedTrack, true);
    else
-      slider = mTrackInfo.GainSlider(capturedTrack);
+      slider = mTrackInfo.GainSlider(capturedTrack, true);
 
    slider->OnMouseEvent(event);
 
@@ -7718,7 +7718,7 @@ void TrackPanel::DrawOutside(Track * t, wxDC * dc, const wxRect & rec,
       mTrackInfo.DrawMuteSolo(dc, rect, t, (captured && mMouseCapture == IsMuting), false, HasSoloButton());
       mTrackInfo.DrawMuteSolo(dc, rect, t, (captured && mMouseCapture == IsSoloing), true, HasSoloButton());
 
-      mTrackInfo.DrawSliders(dc, (WaveTrack *)t, rect);
+      mTrackInfo.DrawSliders(dc, (WaveTrack *)t, rect, captured);
       if (!t->GetMinimized()) {
 
          int offset = 8;
@@ -9648,6 +9648,11 @@ TrackInfo::TrackInfo(TrackPanel * pParentIn)
                         wxSize(sliderRect.width, sliderRect.height),
                         DB_SLIDER);
    mGain->SetDefaultValue(1.0);
+   mGainCaptured = new LWSlider(pParent, _("Gain"),
+                                wxPoint(sliderRect.x, sliderRect.y),
+                                wxSize(sliderRect.width, sliderRect.height),
+                                DB_SLIDER);
+   mGainCaptured->SetDefaultValue(1.0);
 
    GetPanRect(rect, sliderRect);
 
@@ -9657,6 +9662,11 @@ TrackInfo::TrackInfo(TrackPanel * pParentIn)
                        wxSize(sliderRect.width, sliderRect.height),
                        PAN_SLIDER);
    mPan->SetDefaultValue(0.0);
+   mPanCaptured = new LWSlider(pParent, _("Pan"),
+                               wxPoint(sliderRect.x, sliderRect.y),
+                               wxSize(sliderRect.width, sliderRect.height),
+                               PAN_SLIDER);
+   mPanCaptured->SetDefaultValue(0.0);
 
    int fontSize = 10;
    mFont.Create(fontSize, wxFONTFAMILY_SWISS, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL);
@@ -9677,7 +9687,9 @@ TrackInfo::TrackInfo(TrackPanel * pParentIn)
 
 TrackInfo::~TrackInfo()
 {
+   delete mGainCaptured;
    delete mGain;
+   delete mPanCaptured;
    delete mPan;
 }
 
@@ -10000,43 +10012,53 @@ void TrackInfo::DrawVelocitySlider(wxDC *dc, NoteTrack *t, wxRect rect) const
 }
 #endif
 
-void TrackInfo::DrawSliders(wxDC *dc, WaveTrack *t, wxRect rect) const
+void TrackInfo::DrawSliders(wxDC *dc, WaveTrack *t, wxRect rect, bool captured) const
 {
    wxRect sliderRect;
 
    GetGainRect(rect, sliderRect);
    if (sliderRect.y + sliderRect.height < rect.y + rect.height - 19) {
-      GainSlider(t)->OnPaint(*dc);
+      GainSlider(t, captured)->OnPaint(*dc);
    }
 
    GetPanRect(rect, sliderRect);
    if (sliderRect.y + sliderRect.height < rect.y + rect.height - 19) {
-      PanSlider(t)->OnPaint(*dc);
+      PanSlider(t, captured)->OnPaint(*dc);
    }
 }
 
-LWSlider * TrackInfo::GainSlider(WaveTrack *t) const
+LWSlider * TrackInfo::GainSlider(WaveTrack *t, bool captured) const
 {
    wxRect rect(kLeftInset, t->GetY() - pParent->GetViewInfo()->vpos + kTopInset, 1, t->GetHeight());
    wxRect sliderRect;
    GetGainRect(rect, sliderRect);
 
-   mGain->Move(wxPoint(sliderRect.x, sliderRect.y));
+   wxPoint pos = sliderRect.GetPosition();
-   mGain->Set(t->GetGain());
+   float gain = t->GetGain();
 
-   return mGain;
+   mGain->Move(pos);
+   mGain->Set(gain);
+   mGainCaptured->Move(pos);
+   mGainCaptured->Set(gain);
+
+   return captured ? mGainCaptured : mGain;
 }
 
-LWSlider * TrackInfo::PanSlider(WaveTrack *t) const
+LWSlider * TrackInfo::PanSlider(WaveTrack *t, bool captured) const
 {
    wxRect rect(kLeftInset, t->GetY() - pParent->GetViewInfo()->vpos + kTopInset, 1, t->GetHeight());
    wxRect sliderRect;
    GetPanRect(rect, sliderRect);
 
-   mPan->Move(wxPoint(sliderRect.x, sliderRect.y));
+   wxPoint pos = sliderRect.GetPosition();
-   mPan->Set(t->GetPan());
+   float pan = t->GetPan();
 
-   return mPan;
+   mPan->Move(pos);
+   mPan->Set(pan);
+   mPanCaptured->Move(pos);
+   mPanCaptured->Set(pan);
+
+   return captured ? mPanCaptured : mPan;
 }
 
 static TrackPanel * TrackPanelFactory(wxWindow * parent,

src/TrackPanel.h

@@ -90,7 +90,7 @@ private:
 #ifdef EXPERIMENTAL_MIDI_OUT
    void DrawVelocitySlider(wxDC * dc, NoteTrack *t, wxRect rect) const ;
 #endif
-   void DrawSliders(wxDC * dc, WaveTrack *t, wxRect rect) const;
+   void DrawSliders(wxDC * dc, WaveTrack *t, wxRect rect, bool captured) const;
 
    // Draw the minimize button *and* the sync-lock track icon, if necessary.
    void DrawMinimize(wxDC * dc, const wxRect & rect, Track * t, bool down) const;
@@ -105,12 +105,14 @@ private:
    void GetSyncLockIconRect(const wxRect & rect, wxRect &dest) const;
 
 public:
-   LWSlider * GainSlider(WaveTrack *t) const;
+   LWSlider * GainSlider(WaveTrack *t, bool captured = false) const;
-   LWSlider * PanSlider(WaveTrack *t) const;
+   LWSlider * PanSlider(WaveTrack *t, bool captured = false) const;
 
 private:
    TrackPanel * pParent;
    wxFont mFont;
+   LWSlider *mGainCaptured;
+   LWSlider *mPanCaptured;
    LWSlider *mGain;
    LWSlider *mPan;
 

src/widgets/ASlider.cpp

@@ -493,8 +493,6 @@ void LWSlider::Init(wxWindow * parent,
    mStyle = style;
    mOrientation = orientation;
    mIsDragging = false;
-   mWidth = size.x;
-   mHeight = size.y;
    mParent = parent;
    mHW = heavyweight;
    mPopup = popup;
@@ -513,6 +511,8 @@ void LWSlider::Init(wxWindow * parent,
    mScrollPage = 5.0f;
    mTipPanel = NULL;
 
+   AdjustSize(size);
+
    mpRuler = NULL; // Do this and Move() before Draw().
    Move(pos);
 }
@@ -577,6 +577,39 @@ void LWSlider::Move(const wxPoint &newpos)
    mTop = newpos.y;
 }
 
+void LWSlider::AdjustSize(const wxSize & sz)
+{
+   mWidth = sz.GetWidth();
+   mHeight = sz.GetHeight();
+
+   mThumbWidth = 14;
+   mThumbHeight = 14;
+
+   if (mOrientation == wxHORIZONTAL)
+   {
+      mCenterY = mHeight - 9;
+   }
+   else
+   {
+      mCenterX = mWidth - 9;
+   }
+
+   if (mOrientation == wxHORIZONTAL)
+   {
+      mLeftX = mThumbWidth/2;
+      mRightX = mWidth - mThumbWidth/2 - 1;
+      mWidthX = mRightX - mLeftX;
+   }
+   else
+   {
+      mTopY = mThumbWidth/2;
+      mBottomY = mHeight - mThumbWidth/2 - 1;
+      mHeightY = mBottomY - mTopY;
+   }
+
+   Refresh();
+}
+
 void LWSlider::OnPaint(wxDC &dc)
 {
    if (!mBitmap || !mThumbBitmap)
@@ -617,8 +650,7 @@ void LWSlider::OnPaint(wxDC &dc)
 
 void LWSlider::OnSize( wxSizeEvent & event )
 {
-   mWidth = event.GetSize().GetX();
+   AdjustSize(event.GetSize());
-   mHeight = event.GetSize().GetY();
 
    Refresh();
 }
@@ -644,8 +676,6 @@ void LWSlider::Draw(wxDC & paintDC)
    wxMemoryDC dc;
 
    // Create the bitmap
-   mThumbWidth = 14;
-   mThumbHeight = 14;
    mThumbBitmap = new wxBitmap();
    mThumbBitmap->Create(mThumbWidth, mThumbHeight, paintDC);
    dc.SelectObject(*mThumbBitmap);
@@ -711,28 +741,6 @@ void LWSlider::Draw(wxDC & paintDC)
    // Now the background bitmap
    //
 
-   if (mOrientation == wxHORIZONTAL)
-   {
-      mCenterY = mHeight - 9;
-   }
-   else
-   {
-      mCenterX = mWidth - 9;
-   }
-
-   if (mOrientation == wxHORIZONTAL)
-   {
-      mLeftX = mThumbWidth/2;
-      mRightX = mWidth - mThumbWidth/2 - 1;
-      mWidthX = mRightX - mLeftX;
-   }
-   else
-   {
-      mTopY = mThumbWidth/2;
-      mBottomY = mHeight - mThumbWidth/2 - 1;
-      mHeightY = mBottomY - mTopY;
-   }
-
    mBitmap = new wxBitmap();
    mBitmap->Create(mWidth, mHeight, paintDC);
    dc.SelectObject(*mBitmap);

src/widgets/ASlider.h

@@ -142,6 +142,8 @@ class LWSlider
 
    void Move(const wxPoint &newpos);
 
+   void AdjustSize(const wxSize & sz);
+
    void OnPaint(wxDC &dc);
    void OnSize(wxSizeEvent & event);
    void OnMouseEvent(wxMouseEvent & event);