Audacity 3.2.0
Public Member Functions | Public Attributes | List of all members
anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup Struct Referencefinal
Inheritance diagram for anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup:
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Collaboration diagram for anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup:
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Public Member Functions

 LabeledChannelGroup (const std::shared_ptr< Track > &pTrack, wxCoord leftOffset)
 
Subdivision Children (const wxRect &rect) override
 
void Draw (TrackPanelDrawingContext &context, const wxRect &rect, unsigned iPass) override
 
wxRect DrawingArea (TrackPanelDrawingContext &, const wxRect &rect, const wxRect &, unsigned iPass) override
 
- Public Member Functions inherited from TrackPanelGroup
 TrackPanelGroup ()
 
virtual ~TrackPanelGroup ()
 
virtual Subdivision Children (const wxRect &rect)=0
 
- Public Member Functions inherited from TrackPanelNode
 TrackPanelNode ()
 
virtual ~TrackPanelNode ()=0
 
- Public Member Functions inherited from TrackPanelDrawable
virtual ~TrackPanelDrawable ()=0
 
virtual void Draw (TrackPanelDrawingContext &context, const wxRect &rect, unsigned iPass)
 
virtual wxRect DrawingArea (TrackPanelDrawingContext &context, const wxRect &rect, const wxRect &panelRect, unsigned iPass)
 

Public Attributes

const std::shared_ptr< TrackmpTrack
 
wxCoord mLeftOffset
 

Additional Inherited Members

- Public Types inherited from TrackPanelGroup
enum class  Axis { X , Y }
 
using Child = std::pair< wxCoord, std::shared_ptr< TrackPanelNode > >
 
using Refinement = std::vector< Child >
 
using Subdivision = std::pair< Axis, Refinement >
 
- Static Public Member Functions inherited from TrackPanelDrawable
static wxRect MaximizeWidth (const wxRect &rect, const wxRect &panelRect)
 
static wxRect MaximizeHeight (const wxRect &rect, const wxRect &panelRect)
 

Detailed Description

Definition at line 1445 of file TrackPanel.cpp.

Constructor & Destructor Documentation

◆ LabeledChannelGroup()

anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup::LabeledChannelGroup ( const std::shared_ptr< Track > &  pTrack,
wxCoord  leftOffset 
)
inline
Precondition
pTrack->IsLeader()

Definition at line 1449 of file TrackPanel.cpp.

Member Function Documentation

◆ Children()

Subdivision anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup::Children ( const wxRect &  rect)
inlineoverridevirtual

Implements TrackPanelGroup.

Definition at line 1452 of file TrackPanel.cpp.

1453 { return { Axis::X, Refinement{
1454 { rect.GetLeft(),
1455 TrackControls::Get(*mpTrack).shared_from_this() },
1456 { rect.GetLeft() + kTrackInfoWidth,
1457 std::make_shared<ChannelStack>(mpTrack, mLeftOffset) }
1458 } }; }
@ kTrackInfoWidth
Definition: ZoomInfo.h:30
static TrackControls & Get(Track &track)
std::vector< Child > Refinement

References TrackControls::Get(), and kTrackInfoWidth.

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◆ Draw()

void anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup::Draw ( TrackPanelDrawingContext context,
const wxRect &  rect,
unsigned  iPass 
)
inlineoverridevirtual

Draw a three-level highlight gradient around the focused track.

Reimplemented from TrackPanelDrawable.

Definition at line 1461 of file TrackPanel.cpp.

1463 {
1464 if (iPass == TrackArtist::PassBorders) {
1465 auto &dc = context.dc;
1466 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1467 dc.SetPen(*wxBLACK_PEN);
1468
1469 // border
1470 dc.DrawRectangle(
1471 rect.x, rect.y,
1472 rect.width - kShadowThickness, rect.height - kShadowThickness
1473 );
1474
1475 // shadow
1476 // Stroke lines along bottom and right, which are slightly short at
1477 // bottom-left and top-right
1478 const auto right = rect.GetRight();
1479 const auto bottom = rect.GetBottom();
1480
1481 // bottom
1482 AColor::Line(dc, rect.x + 2, bottom, right, bottom);
1483 // right
1484 AColor::Line(dc, right, rect.y + 2, right, bottom);
1485 }
1486 if (iPass == TrackArtist::PassFocus) {
1487 // Sometimes highlight is not drawn on backing bitmap. I thought
1488 // it was because FindFocus did not return the TrackPanel on Mac, but
1489 // when I removed that test, yielding this condition:
1490 // if (GetFocusedTrack() != NULL) {
1491 // the highlight was reportedly drawn even when something else
1492 // was the focus and no highlight should be drawn. -RBD
1493 const auto artist = TrackArtist::Get(context);
1494 auto &trackPanel = *artist->parent;
1495 auto &trackFocus = TrackFocus::Get( *trackPanel.GetProject() );
1496 if (trackFocus.Get() == mpTrack.get() &&
1497 wxWindow::FindFocus() == &trackPanel) {
1499 wxRect theRect = rect;
1500 auto &dc = context.dc;
1501 dc.SetBrush(*wxTRANSPARENT_BRUSH);
1502
1503 AColor::TrackFocusPen(&dc, 2);
1504 dc.DrawRectangle(theRect);
1505 theRect.Deflate(1);
1506
1507 AColor::TrackFocusPen(&dc, 1);
1508 dc.DrawRectangle(theRect);
1509 theRect.Deflate(1);
1510
1511 AColor::TrackFocusPen(&dc, 0);
1512 dc.DrawRectangle(theRect);
1513 }
1514 }
1515 }
@ kShadowThickness
Definition: ZoomInfo.h:23
static void Line(wxDC &dc, wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
Definition: AColor.cpp:187
static void TrackFocusPen(wxDC *dc, int level)
Definition: AColor.cpp:481
static TrackArtist * Get(TrackPanelDrawingContext &)
Definition: TrackArtist.cpp:69
Track * Get()
Definition: TrackFocus.cpp:156
std::unique_ptr< WindowPlacement > FindFocus()
Find the window that is accepting keyboard input, if any.
Definition: BasicUI.h:373

References TrackPanelDrawingContext::dc, BasicUI::FindFocus(), TrackFocus::Get(), TrackArtist::Get(), kShadowThickness, AColor::Line(), TrackArtist::PassBorders, TrackArtist::PassFocus, and AColor::TrackFocusPen().

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◆ DrawingArea()

wxRect anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup::DrawingArea ( TrackPanelDrawingContext ,
const wxRect &  rect,
const wxRect &  ,
unsigned  iPass 
)
inlineoverridevirtual

Reimplemented from TrackPanelDrawable.

Definition at line 1517 of file TrackPanel.cpp.

1519 {
1520 if (iPass == TrackArtist::PassBorders)
1521 return {
1522 rect.x - kBorderThickness,
1523 rect.y - kBorderThickness,
1524 rect.width + 2 * kBorderThickness + kShadowThickness,
1525 rect.height + 2 * kBorderThickness + kShadowThickness
1526 };
1527 else if (iPass == TrackArtist::PassFocus) {
1528 constexpr auto extra = kBorderThickness + 3;
1529 return {
1530 rect.x - extra,
1531 rect.y - extra,
1532 rect.width + 2 * extra + kShadowThickness,
1533 rect.height + 2 * extra + kShadowThickness
1534 };
1535 }
1536 else
1537 return rect;
1538 }
@ kBorderThickness
Definition: ZoomInfo.h:22

References kBorderThickness, kShadowThickness, TrackArtist::PassBorders, and TrackArtist::PassFocus.

Member Data Documentation

◆ mLeftOffset

wxCoord anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup::mLeftOffset

Definition at line 1541 of file TrackPanel.cpp.

◆ mpTrack

const std::shared_ptr<Track> anonymous_namespace{TrackPanel.cpp}::LabeledChannelGroup::mpTrack

Definition at line 1540 of file TrackPanel.cpp.


The documentation for this struct was generated from the following file: