Move some constants and GetVRulerOffset() out of TrackPanel.h

src/TrackArtist.cpp

@@ -84,7 +84,6 @@ audio tracks.
 #include "prefs/TracksPrefs.h"
 #include "prefs/WaveformSettings.h"
 #include "Spectrum.h"
-#include "TrackPanel.h"
 #include "ViewInfo.h"
 #include "widgets/Ruler.h"
 #include "AllThemeResources.h"

src/TrackPanel.cpp

@@ -915,6 +915,14 @@ const TrackInfo::TCPLine defaultWaveTrackTCPLines[] = {
 };
 TCPLines waveTrackTCPLines{ RANGE(defaultWaveTrackTCPLines) };
 
+#ifdef USE_MIDI
+enum : int {
+   // PRL:  was it correct to include the margin?
+   kMidiCellWidth = ( ( kTrackInfoWidth + kLeftMargin ) / 4) - 2,
+   kMidiCellHeight = kTrackInfoBtnSize
+};
+#endif
+
 const TrackInfo::TCPLine defaultNoteTrackTCPLines[] = {
    COMMON_ITEMS
 #ifdef EXPERIMENTAL_MIDI_OUT
@@ -1245,7 +1253,7 @@ void TrackPanel::DrawEverythingElse(TrackPanelDrawingContext &context,
          if (region.Contains(
             0, trackRect.y, GetLeftOffset(), trackRect.height)) {
             wxRect rect{
-               GetVRulerOffset(),
+               mViewInfo->GetVRulerOffset(),
                trackRect.y,
                GetVRulerWidth() + 1,
                trackRect.height - kSeparatorThickness
@@ -1764,7 +1772,7 @@ void TrackPanel::DrawOutside
       rect.height -= kSeparatorThickness;
 
       int labelw = GetLabelWidth();
-      int vrul = GetVRulerOffset();
+      int vrul = mViewInfo->GetVRulerOffset();
 
       TrackInfo::DrawBackground( dc, rect, t->GetSelected(), vrul );
 
@@ -1772,7 +1780,7 @@ void TrackPanel::DrawOutside
       // Draw sync-lock tiles in ruler area.
       //if (t->IsSyncLockSelected()) {
       //   wxRect tileFill = rect;
-      //   tileFill.x = GetVRulerOffset();
+      //   tileFill.x = mViewInfo->GetVRulerOffset();
       //   tileFill.width = GetVRulerWidth();
       //   TrackArt::DrawSyncLockTiles(dc, tileFill);
       //}
@@ -1962,7 +1970,7 @@ void TrackPanel::UpdateTrackVRuler(const Track *t)
    if (!t)
       return;
 
-   wxRect rect(GetVRulerOffset(),
+   wxRect rect(mViewInfo->GetVRulerOffset(),
             kTopMargin,
             GetVRulerWidth(),
             0);
@@ -2336,6 +2344,11 @@ int TrackPanel::GetVRulerWidth() const
    return vrulerSize.x;
 }
 
+int TrackPanel::GetLabelWidth() const
+{
+   return mViewInfo->GetVRulerOffset() + GetVRulerWidth();
+}
+
 /// Displays the bounds of the selection in the status bar.
 void TrackPanel::DisplaySelection()
 {

src/TrackPanel.h

@@ -216,38 +216,6 @@ namespace TrackInfo
 
 const int DragThreshold = 3;// Anything over 3 pixels is a drag, else a click.
 
-
-// See big pictorial comment in TrackPanel for explanation of these numbers
-enum : int {
-   kLeftInset = 4,
-   kRightInset = kLeftInset,
-   kTopInset = 4,
-   kShadowThickness = 1,
-   kBorderThickness = 1,
-   kTopMargin = kTopInset + kBorderThickness,
-   kBottomMargin = kShadowThickness + kBorderThickness,
-   kLeftMargin = kLeftInset + kBorderThickness,
-   kRightMargin = kRightInset + kShadowThickness + kBorderThickness,
-   kSeparatorThickness = kBottomMargin + kTopMargin,
-};
-
-enum : int {
-   kTrackInfoWidth = 100 - kLeftMargin,
-   kTrackInfoBtnSize = 18, // widely used dimension, usually height
-   kTrackInfoSliderHeight = 25,
-   kTrackInfoSliderWidth = 84,
-   kTrackInfoSliderAllowance = 5,
-   kTrackInfoSliderExtra = 5,
-};
-
-#ifdef USE_MIDI
-enum : int {
-   // PRL:  was it correct to include the margin?
-   kMidiCellWidth = ( ( kTrackInfoWidth + kLeftMargin ) / 4) - 2,
-   kMidiCellHeight = kTrackInfoBtnSize
-};
-#endif
-
 class AUDACITY_DLL_API TrackPanel final
    : public CellularPanel
    , public NonKeystrokeInterceptingWindow
@@ -361,11 +329,9 @@ protected:
    std::shared_ptr<TrackPanelNode> Root() override;
 
    int GetVRulerWidth() const;
-   int GetVRulerOffset() const { return kTrackInfoWidth + kLeftMargin; }
 
 public:
-   int GetLabelWidth() const
+   int GetLabelWidth() const;
-      { return GetVRulerOffset() + GetVRulerWidth(); }
 
 // JKC Nov-2011: These four functions only used from within a dll such as mod-track-panel
 // They work around some messy problems with constructors.

src/ViewInfo.h

@@ -28,6 +28,29 @@
 
 class AudacityProject;
 
+// See big pictorial comment in TrackPanel.cpp for explanation of these numbers
+enum : int {
+   kLeftInset = 4,
+   kRightInset = kLeftInset,
+   kTopInset = 4,
+   kShadowThickness = 1,
+   kBorderThickness = 1,
+   kTopMargin = kTopInset + kBorderThickness,
+   kBottomMargin = kShadowThickness + kBorderThickness,
+   kLeftMargin = kLeftInset + kBorderThickness,
+   kRightMargin = kRightInset + kShadowThickness + kBorderThickness,
+   kSeparatorThickness = kBottomMargin + kTopMargin,
+};
+
+enum : int {
+   kTrackInfoWidth = 100 - kLeftMargin,
+   kTrackInfoBtnSize = 18, // widely used dimension, usually height
+   kTrackInfoSliderHeight = 25,
+   kTrackInfoSliderWidth = 84,
+   kTrackInfoSliderAllowance = 5,
+   kTrackInfoSliderExtra = 5,
+};
+
 // The subset of ViewInfo information (other than selection)
 // that is sufficient for purposes of TrackArtist,
 // and for computing conversions between track times and pixel positions.
@@ -209,6 +232,8 @@ public:
 
    ViewInfo(double start, double screenDuration, double pixelsPerSecond);
 
+   int GetVRulerOffset() const { return kTrackInfoWidth + kLeftMargin; }
+
    static int UpdateScrollPrefsID();
    void UpdatePrefs() override;
    void UpdateSelectedPrefs( int id ) override;

src/commands/GetInfoCommand.cpp

@@ -717,11 +717,12 @@ void GetInfoCommand::ExploreTrackPanel( const CommandContext &context,
 {
    AudacityProject * pProj = &context.project;
    auto &tp = TrackPanel::Get( *pProj );
+   auto &viewInfo = *tp.mViewInfo;
 
    wxRect trackRect = pWin->GetRect();
 
    for ( auto t : TrackList::Get( *pProj ).Any() + IsVisibleTrack{ pProj } ) {
-      trackRect.y = t->GetY() - tp.mViewInfo->vpos;
+      trackRect.y = t->GetY() - viewInfo.vpos;
       trackRect.height = t->GetHeight();
 
 #if 0
@@ -760,7 +761,7 @@ void GetInfoCommand::ExploreTrackPanel( const CommandContext &context,
          R.height -= kTopInset;
 
          int labelw = pTP->GetLabelWidth();
-         int vrul = pTP->GetVRulerOffset();
+         //int vrul = viewInfo.GetVRulerOffset();
          bool bIsWave = true;
          //mTrackInfo.DrawBackground(dc, R, t->GetSelected(), bIsWave, labelw, vrul);
 
@@ -776,7 +777,7 @@ void GetInfoCommand::ExploreTrackPanel( const CommandContext &context,
       // The VRuler.
       {  
          wxRect R = trackRect;
-         R.x += tp.GetVRulerOffset();
+         R.x += viewInfo.GetVRulerOffset();
          R.y += kTopMargin;
          R.width = tp.GetVRulerWidth();
          R.height -= (kTopMargin + kBottomMargin);

src/tracks/playabletrack/notetrack/ui/NoteTrackSliderHandles.cpp

@@ -20,6 +20,7 @@
 #include "../../../../TrackPanel.h" // for TrackInfo
 #include "../../../../UndoManager.h"
 #include "../../../../NoteTrack.h"
+#include "../../../../ViewInfo.h"
 
 VelocitySliderHandle::VelocitySliderHandle
 ( SliderFn sliderFn, const wxRect &rect,

src/tracks/ui/TrackVRulerControls.cpp

@@ -11,10 +11,11 @@ Paul Licameli split from TrackPanel.cpp
 #include "../../Audacity.h"
 #include "TrackVRulerControls.h"
 
-#include "../../TrackPanel.h"
 #include "../../Track.h"
+#include "../../ViewInfo.h"
 
 #include <wx/cursor.h>
+#include <wx/dc.h>
 #include <wx/translation.h>
 
 TrackVRulerControls::TrackVRulerControls( std::shared_ptr<Track> pTrack )