Files
UnrealEngine/Engine/Source/Editor/Sequencer/Private/SequencerTimeSliderController.cpp
2025-05-18 13:04:45 +08:00

2609 lines
94 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "SequencerTimeSliderController.h"
#include "MVVM/ViewModels/SequencerEditorViewModel.h"
#include "MVVM/Selection/Selection.h"
#include "MVVM/SharedViewModelData.h"
#include "MVVM/Views/SOutlinerView.h"
#include "MVVM/Extensions/IClockExtension.h"
#include "TrackEditors/TimeWarpTrackEditor.h"
#include "Channels/MovieSceneTimeWarpChannel.h"
#include "SequencerTimeDomainOverride.h"
#include "SequencerToolMenuContext.h"
#include "SSequencer.h"
#include "Fonts/SlateFontInfo.h"
#include "Rendering/DrawElements.h"
#include "Misc/Paths.h"
#include "Layout/WidgetPath.h"
#include "Framework/Application/MenuStack.h"
#include "Fonts/FontMeasure.h"
#include "Styling/CoreStyle.h"
#include "Framework/Application/SlateApplication.h"
#include "Widgets/SCompoundWidget.h"
#include "Widgets/DeclarativeSyntaxSupport.h"
#include "Textures/SlateIcon.h"
#include "Framework/Commands/UIAction.h"
#include "Framework/MultiBox/MultiBoxBuilder.h"
#include "Styling/AppStyle.h"
#include "SequencerCommonHelpers.h"
#include "SequencerSettings.h"
#include "Misc/QualifiedFrameTime.h"
#include "MovieSceneTimeHelpers.h"
#include "CommonFrameRates.h"
#include "Sequencer.h"
#include "Modules/ModuleManager.h"
#include "Decorations/MovieSceneScalingAnchors.h"
#include "MovieSceneSequence.h"
#include "MovieScene.h"
#include "Compilation/MovieSceneCompiledDataManager.h"
#include "Evaluation/MovieSceneSequenceHierarchy.h"
#include "Misc/NotifyHook.h"
#include "IDetailsView.h"
#include "PropertyEditorModule.h"
#include "ISinglePropertyView.h"
#include "IStructureDetailsView.h"
#include "FrameNumberDetailsCustomization.h"
#define LOCTEXT_NAMESPACE "TimeSlider"
namespace ScrubConstants
{
/** The minimum amount of pixels between each major ticks on the widget */
const int32 MinPixelsPerDisplayTick = 12;
/**The smallest number of units between between major tick marks */
const float MinDisplayTickSpacing = 0.001f;
/**The fraction of the current view range to scroll per unit delta */
const float ScrollPanFraction = 0.1f;
/** Marked frame label box margin */
const int32 MarkLabelBoxMargin = 2;
/** Marked frame label box margin on the opposite side of the marker time */
const int32 MarkLabelBoxWideMargin = 4;
}
bool GSequencerShowTimeWarpScrubberLink = false;
FAutoConsoleVariableRef CVarSequencerShowTimeWarpScrubberLink(
TEXT("Sequencer.ShowTimeWarpScrubberLink"),
GSequencerShowTimeWarpScrubberLink,
TEXT("(Default: false) When enabled, shows a dashed link to link warped and unwarped time scrubbers."),
ECVF_Default
);
FSequencerTimeSliderController::FSequencerTimeSliderController( const FTimeSliderArgs& InArgs, TWeakPtr<FSequencer> InWeakSequencer )
: WeakSequencer(InWeakSequencer)
, TimeSliderArgs( InArgs )
, DistanceDragged( 0.0f )
, MouseDragType( DRAG_NONE )
, bMouseDownInRegion(false)
, bPanning( false )
, HoverMarkIndex( INDEX_NONE )
{
ScrubFillBrush = FAppStyle::GetBrush( TEXT( "Sequencer.Timeline.ScrubFill" ) );
FrameBlockScrubHandleDownBrush = FAppStyle::GetBrush( TEXT( "Sequencer.Timeline.FrameBlockScrubHandle" ) );
VanillaScrubHandleDownBrush = FAppStyle::GetBrush( TEXT( "Sequencer.Timeline.ScrubHandle" ) );
FontMeasureService = FSlateApplication::Get().GetRenderer()->GetFontMeasureService().ToSharedPtr();
SmallLayoutFont = FCoreStyle::GetDefaultFontStyle("Regular", 10);
SmallBoldLayoutFont = FCoreStyle::GetDefaultFontStyle("Bold", 10);
ContextMenuSuppression = 0;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (Sequencer.IsValid())
{
Sequencer->OnGlobalTimeChanged().AddRaw(this, &FSequencerTimeSliderController::SetIsEvaluating);
}
}
FSequencerTimeSliderController::~FSequencerTimeSliderController()
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (Sequencer.IsValid())
{
Sequencer->OnGlobalTimeChanged().RemoveAll(this);
}
}
FFrameTime FSequencerTimeSliderController::SnapSequencerTime(FFrameTime InTime) const
{
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return InTime;
}
if (Sequencer->GetSequencerSettings()->GetForceWholeFrames())
{
if (Sequencer->GetScrubStyle() == ESequencerScrubberStyle::FrameBlock)
{
// Floor to the display frame
InTime = ConvertFrameTime(ConvertFrameTime(InTime, GetTickResolution(), GetDisplayRate()).FloorToFrame(), GetDisplayRate(), GetTickResolution());
}
else
{
// Snap (round) to display rate
InTime = FFrameRate::Snap(InTime, GetTickResolution(), GetDisplayRate());
}
}
if (Sequencer->GetSequencerSettings()->GetIsSnapEnabled())
{
TViewModelPtr<IClockExtension> Clock = Sequencer->GetViewModel()->GetRootSequenceModel().ImplicitCast();
if (Clock.IsValid() && Clock->SupportsSnapping() && Clock->ShouldSnapFrameTime())
{
InTime = Clock->SnapFrameTime(InTime);
}
}
return InTime;
}
FFrameTime FSequencerTimeSliderController::ComputeScrubTimeFromMouse(const FGeometry& Geometry, const FPointerEvent& MouseEvent, FScrubRangeToScreen RangeToScreen) const
{
FVector2D ScreenSpacePosition = MouseEvent.GetScreenSpacePosition();
FVector2D CursorPos = Geometry.AbsoluteToLocal( ScreenSpacePosition );
double MouseSeconds = RangeToScreen.LocalXToInput( CursorPos.X );
FFrameTime ScrubTime = MouseSeconds * GetTickResolution();
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return ScrubTime;
}
ScrubTime = SnapSequencerTime(ScrubTime);
if (Sequencer->GetSequencerSettings()->GetIsSnapEnabled() || MouseEvent.IsShiftDown())
{
// SnapTimeToNearestKey will return ScrubTime unmodified if there is no key within range.
ScrubTime = SnapTimeToNearestKey(MouseEvent, RangeToScreen, CursorPos.X, ScrubTime);
}
return ScrubTime;
}
FFrameTime FSequencerTimeSliderController::ComputeFrameTimeFromMouse(const FGeometry& Geometry, FVector2D ScreenSpacePosition, FScrubRangeToScreen RangeToScreen, bool CheckSnapping) const
{
FVector2D CursorPos = Geometry.AbsoluteToLocal( ScreenSpacePosition );
double MouseValue = RangeToScreen.LocalXToInput( CursorPos.X );
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return MouseValue * GetTickResolution();
}
if (CheckSnapping && Sequencer->GetSequencerSettings()->GetForceWholeFrames())
{
FFrameNumber SnappedFrameNumber = (MouseValue * GetDisplayRate()).FloorToFrame();
FQualifiedFrameTime RoundedPlayFrame = FQualifiedFrameTime(SnappedFrameNumber, GetDisplayRate());
return RoundedPlayFrame.ConvertTo(GetTickResolution());
}
else
{
return MouseValue * GetTickResolution();
}
}
FSequencerTimeSliderController::FScrubberMetrics FSequencerTimeSliderController::GetHitTestScrubPixelMetrics(const FScrubRangeToScreen& RangeToScreen) const
{
static const float DragToleranceSlateUnits = 2.f, MouseTolerance = 2.f;
return GetScrubPixelMetrics(FQualifiedFrameTime(TimeSliderArgs.ScrubPosition.Get(), GetTickResolution()), RangeToScreen, DragToleranceSlateUnits + MouseTolerance);
}
FSequencerTimeSliderController::FScrubberMetrics FSequencerTimeSliderController::GetScrubPixelMetrics(const FQualifiedFrameTime& ScrubTime, const FScrubRangeToScreen& RangeToScreen, float DilationPixels) const
{
FFrameRate DisplayRate = GetDisplayRate();
FScrubberMetrics Metrics;
static float MinScrubSize = 14.f;
const FFrameNumber Frame = ScrubTime.ConvertTo(DisplayRate).FloorToFrame();
float FrameStartPixel = RangeToScreen.InputToLocalX( Frame / DisplayRate );
float FrameEndPixel = RangeToScreen.InputToLocalX( (Frame+1) / DisplayRate ) - 1;
{
float RoundedStartPixel = FMath::RoundToInt(FrameStartPixel);
FrameEndPixel -= (FrameStartPixel - RoundedStartPixel);
FrameStartPixel = RoundedStartPixel;
FrameEndPixel = FMath::Max(FrameEndPixel, FrameStartPixel + 1);
}
// Store off the pixel width of the frame
Metrics.FrameExtentsPx = TRange<float>(FrameStartPixel - DilationPixels, FrameEndPixel + DilationPixels);
// Set the style of the scrub handle
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
Metrics.Style = Sequencer.IsValid() ? Sequencer->GetScrubStyle() : ESequencerScrubberStyle::Vanilla;
// Always draw the extents on the section area for frame block styles
Metrics.bDrawExtents = Metrics.Style == ESequencerScrubberStyle::FrameBlock;
// If it's vanilla style or too small to show the frame width, set that up
if (Metrics.Style == ESequencerScrubberStyle::Vanilla || FrameEndPixel - FrameStartPixel < MinScrubSize)
{
Metrics.Style = ESequencerScrubberStyle::Vanilla;
float ScrubPixel = RangeToScreen.InputToLocalX(ScrubTime.AsSeconds());
Metrics.HandleRangePx = TRange<float>(ScrubPixel - MinScrubSize*.5f - DilationPixels, ScrubPixel + MinScrubSize*.5f + DilationPixels);
}
else
{
Metrics.HandleRangePx = Metrics.FrameExtentsPx;
}
return Metrics;
}
void FSequencerTimeSliderController::DrawTicks( FSlateWindowElementList& OutDrawElements, const TRange<double>& ViewRange, const FScrubRangeToScreen& RangeToScreen, FDrawTickArgs& InArgs ) const
{
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return;
}
TViewModelPtr<IClockExtension> Clock = Sequencer->GetViewModel()->GetRootSequenceModel().ImplicitCast();
if (Clock && Clock->DrawTicks(Sequencer, OutDrawElements, ViewRange, RangeToScreen, InArgs))
{
return;
}
DrawLinearTicks(OutDrawElements, ViewRange, RangeToScreen, InArgs);
}
void FSequencerTimeSliderController::DrawLinearTicks(FSlateWindowElementList& OutDrawElements, const TRange<double>& ViewRange, const FScrubRangeToScreen& RangeToScreen, FDrawTickArgs& InArgs) const
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return;
}
FFrameRate TickResolution = GetTickResolution();
FFrameRate DisplayRate = GetDisplayRate();
FPaintGeometry PaintGeometry = InArgs.AllottedGeometry.ToPaintGeometry();
FSlateFontInfo TickFrameFont = FCoreStyle::GetDefaultFontStyle("Regular", 8);
double MajorGridStep = 0.0;
int32 MinorDivisions = 0;
if (!Sequencer->GetGridMetrics(InArgs.AllottedGeometry.Size.X, ViewRange.GetLowerBoundValue(), ViewRange.GetUpperBoundValue(), MajorGridStep, MinorDivisions))
{
return;
}
if (InArgs.bOnlyDrawMajorTicks)
{
MinorDivisions = 0;
}
TArray<FVector2D> LinePoints;
LinePoints.SetNumUninitialized(2);
const bool bAntiAliasLines = false;
const double FirstMajorLine = FMath::FloorToDouble(ViewRange.GetLowerBoundValue() / MajorGridStep) * MajorGridStep;
const double LastMajorLine = FMath::CeilToDouble(ViewRange.GetUpperBoundValue() / MajorGridStep) * MajorGridStep;
const float FlooredScrubPx = RangeToScreen.InputToLocalX(ConvertFrameTime(TimeSliderArgs.ScrubPosition.Get(), TickResolution, GetDisplayRate()).FloorToFrame() / DisplayRate);
TSharedPtr<INumericTypeInterface<double>> NumericTypeInterface = Sequencer->GetNumericTypeInterface();
for (double CurrentMajorLine = FirstMajorLine; CurrentMajorLine < LastMajorLine; CurrentMajorLine += MajorGridStep)
{
float MajorLinePx = RangeToScreen.InputToLocalX( CurrentMajorLine );
LinePoints[0] = FVector2D( MajorLinePx, InArgs.TickOffset );
LinePoints[1] = FVector2D( MajorLinePx, InArgs.TickOffset + InArgs.MajorTickHeight );
// Draw each tick mark
FSlateDrawElement::MakeLines(
OutDrawElements,
InArgs.StartLayer,
PaintGeometry,
LinePoints,
InArgs.DrawEffects,
InArgs.TickColor,
bAntiAliasLines
);
if (!InArgs.bOnlyDrawMajorTicks && !FMath::IsNearlyEqual(MajorLinePx, FlooredScrubPx, 3.f))
{
FString FrameString = NumericTypeInterface->ToString((CurrentMajorLine * TickResolution).RoundToFrame().Value);
// Space the text between the tick mark but slightly above
FVector2D TextOffset( MajorLinePx + 5.f, InArgs.bMirrorLabels ? 1.f : FMath::Abs( InArgs.AllottedGeometry.Size.Y - (InArgs.MajorTickHeight+3.f) ) );
FSlateDrawElement::MakeText(
OutDrawElements,
InArgs.StartLayer+1,
InArgs.AllottedGeometry.ToPaintGeometry( InArgs.AllottedGeometry.Size, FSlateLayoutTransform(TextOffset) ),
FrameString,
TickFrameFont,
InArgs.DrawEffects,
InArgs.TickColor*0.65f
);
}
for (int32 Step = 1; Step < MinorDivisions; ++Step)
{
// Compute the size of each tick mark. If we are half way between to visible values display a slightly larger tick mark
const float MinorTickHeight = ( (MinorDivisions % 2 == 0) && (Step % (MinorDivisions/2)) == 0 ) ? 6.0f : 2.0f;
const float MinorLinePx = RangeToScreen.InputToLocalX( CurrentMajorLine + Step*MajorGridStep/MinorDivisions );
LinePoints[0] = FVector2D(MinorLinePx, InArgs.bMirrorLabels ? 0.0f : FMath::Abs( InArgs.AllottedGeometry.Size.Y - MinorTickHeight ) );
LinePoints[1] = FVector2D(MinorLinePx, LinePoints[0].Y + MinorTickHeight);
// Draw each sub mark
FSlateDrawElement::MakeLines(
OutDrawElements,
InArgs.StartLayer,
PaintGeometry,
LinePoints,
InArgs.DrawEffects,
InArgs.TickColor,
bAntiAliasLines
);
}
}
}
int32 FSequencerTimeSliderController::DrawScalingAnchors(const FGeometry& AllottedGeometry, const FScrubRangeToScreen& RangeToScreen, FSlateWindowElementList& OutDrawElements, int32 LayerId, const ESlateDrawEffect& DrawEffects) const
{
UMovieSceneScalingAnchors* Anchors = WeakSequencer.Pin()->GetFocusedMovieSceneSequence()->GetMovieScene()->FindDecoration<UMovieSceneScalingAnchors>();
if (!Anchors || !WeakSequencer.Pin()->GetSequencerSettings()->GetShowScalingAnchors())
{
return LayerId;
}
TArray<FVector2f> LinePoints;
for (const TPair<FGuid, FMovieSceneScalingAnchor>& Pair : Anchors->GetCurrentAnchors())
{
const double StartSeconds = Pair.Value.Position / GetTickResolution();
const float StartLinePos = RangeToScreen.InputToLocalX(StartSeconds);
LinePoints.Reset(2);
LinePoints.Emplace(FVector2f(StartLinePos, 0.0f));
LinePoints.Emplace(FVector2f(StartLinePos, FMath::FloorToFloat(AllottedGeometry.Size.Y)));
FSlateDrawElement::MakeDashedLines(
OutDrawElements,
LayerId,
AllottedGeometry.ToPaintGeometry(),
MoveTemp(LinePoints),
DrawEffects,
FLinearColor::Yellow.CopyWithNewOpacity(0.25f)
);
if (Pair.Value.Duration > 0)
{
const double EndSeconds = (Pair.Value.Position + Pair.Value.Duration) / GetTickResolution();
const float EndLinePos = RangeToScreen.InputToLocalX(EndSeconds);
LinePoints.Reset(2);
LinePoints.Emplace(FVector2f(EndLinePos, 0.0f));
LinePoints.Emplace(FVector2f(EndLinePos, FMath::FloorToFloat(AllottedGeometry.Size.Y)));
FSlateDrawElement::MakeDashedLines(
OutDrawElements,
LayerId,
AllottedGeometry.ToPaintGeometry(),
MoveTemp(LinePoints),
DrawEffects,
FLinearColor::Yellow.CopyWithNewOpacity(0.25f)
);
}
}
return LayerId + 1;
}
int32 FSequencerTimeSliderController::DrawMarkedFrames( const FGeometry& AllottedGeometry, const FScrubRangeToScreen& RangeToScreen, FSlateWindowElementList& OutDrawElements, int32 LayerId, const ESlateDrawEffect& DrawEffects, const FWidgetStyle& InWidgetStyle, bool bDrawLabels ) const
{
if (!WeakSequencer.Pin()->GetSequencerSettings()->GetShowMarkedFrames())
{
return LayerId;
}
using namespace UE::Sequencer;
const TArray<FMovieSceneMarkedFrame> & MarkedFrames = TimeSliderArgs.MarkedFrames.Get();
const TArray<FMovieSceneMarkedFrame> & GlobalMarkedFrames = TimeSliderArgs.GlobalMarkedFrames.Get();
if (MarkedFrames.Num() < 1 && GlobalMarkedFrames.Num() < 1)
{
return LayerId;
}
const FMarkedFrameSelection& SelectedMarkedFrames = WeakSequencer.Pin()->GetViewModel()->GetSelection()->MarkedFrames;
//const FLinearColor SelectedColor = FLinearColor::White; //FAppStyle::GetSlateColor("SelectionColor").GetColor(InWidgetStyle);
const FLinearColor WhiteColorHSV = FLinearColor::White.LinearRGBToHSV();
const FLinearColor DefaultMarkedFrameColor = WeakSequencer.Pin()->GetSequencerSettings()->GetMarkedFrameColor();
auto DrawFrameMarkers = ([=, this](const TArray<FMovieSceneMarkedFrame> & InMarkedFrames, FSlateWindowElementList& DrawElements, bool bIsGlobal)
{
for (int32 MarkIndex = 0; MarkIndex < InMarkedFrames.Num(); ++MarkIndex)
{
const FMovieSceneMarkedFrame& MarkedFrame(InMarkedFrames[MarkIndex]);
double Seconds = MarkedFrame.FrameNumber / GetTickResolution();
const bool bIsHovered = (!bIsGlobal && HoverMarkIndex == MarkIndex);
const bool bIsSelected = (!bIsGlobal && SelectedMarkedFrames.IsSelected(MarkIndex));
// Get a selected color that's the marked frame color but at full opacity, full brightness, and a bit desaturated if it's
// already bright to begin with.
const FLinearColor MarkedFrameColor = MarkedFrame.bUseCustomColor ? MarkedFrame.CustomColor : DefaultMarkedFrameColor;
const FLinearColor MarkedFrameColorHSV = MarkedFrameColor.CopyWithNewOpacity(1.f).LinearRGBToHSV();
const FLinearColor SelectedColor = FLinearColor::LerpUsingHSV(
MarkedFrameColorHSV,
FLinearColor(
MarkedFrameColorHSV.R,
MarkedFrameColorHSV.G * (1.f - MarkedFrameColorHSV.B),
1.f),
0.5f)
.HSVToLinearRGB();
FLinearColor DrawColor = bIsGlobal ? MarkedFrameColor.Desaturate(0.25f) : (bIsSelected ? SelectedColor : MarkedFrameColor);
const float LinePos = RangeToScreen.InputToLocalX(Seconds);
TArray<FVector2D> LinePoints;
LinePoints.AddUninitialized(2);
LinePoints[0] = FVector2D(LinePos, 0.0f);
LinePoints[1] = FVector2D(LinePos, FMath::FloorToFloat(AllottedGeometry.Size.Y));
FSlateDrawElement::MakeLines(
DrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(),
LinePoints,
DrawEffects,
DrawColor,
false,
(bIsHovered || bIsSelected) ? 2.f : 1.f
);
FString LabelString = MarkedFrame.Label;
if (bDrawLabels && !LabelString.IsEmpty())
{
// Draw the label next to the marked frame line
bool bDrawLeft;
FVector2D TextPosition, TextSize;
GetMarkLabelGeometry(AllottedGeometry, RangeToScreen, MarkedFrame, TextPosition, TextSize, bDrawLeft);
const FSlateBrush* LabelBrush = bDrawLeft ?
FAppStyle::GetBrush("Sequencer.MarkedFrame.LabelLeft") :
FAppStyle::GetBrush("Sequencer.MarkedFrame.LabelRight");
if (bIsHovered || bIsSelected)
{
FSlateDrawElement::MakeBox(
DrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(
TextSize + ScrubConstants::MarkLabelBoxMargin + ScrubConstants::MarkLabelBoxWideMargin,
FSlateLayoutTransform(FVector2D(LinePos, 0.f))),
LabelBrush,
DrawEffects,
DrawColor.CopyWithNewOpacity(0.3f)
);
}
FSlateDrawElement::MakeText(
DrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(TextSize, FSlateLayoutTransform(TextPosition)),
LabelString,
(bIsHovered || bIsSelected) ? SmallBoldLayoutFont : SmallLayoutFont,
DrawEffects,
DrawColor
);
}
}
});
DrawFrameMarkers(GlobalMarkedFrames, OutDrawElements, true);
DrawFrameMarkers(MarkedFrames, OutDrawElements, false);
return LayerId + 1;
}
int32 FSequencerTimeSliderController::DrawVerticalFrames(const FGeometry& AllottedGeometry, const FScrubRangeToScreen& RangeToScreen, FSlateWindowElementList& OutDrawElements, int32 LayerId, const ESlateDrawEffect& DrawEffects) const
{
TSet<FFrameNumber> VerticalFrames = TimeSliderArgs.VerticalFrames.Get();
if (VerticalFrames.Num() < 1)
{
return LayerId;
}
for (FFrameNumber TickFrame : VerticalFrames)
{
double Seconds = TickFrame / GetTickResolution();
const float LinePos = RangeToScreen.InputToLocalX(Seconds);
TArray<FVector2D> LinePoints;
LinePoints.AddUninitialized(2);
LinePoints[0] = FVector2D(LinePos, 0.0f);
LinePoints[1] = FVector2D(LinePos, FMath::FloorToFloat(AllottedGeometry.Size.Y));
FSlateDrawElement::MakeLines(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(),
LinePoints,
DrawEffects,
FLinearColor(0.7f, 0.7f, 0.f, 0.4f),
false
);
}
return LayerId + 1;
}
int32 FSequencerTimeSliderController::OnPaintTimeSlider( bool bMirrorLabels, const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return LayerId;
}
const bool bEnabled = bParentEnabled;
const ESlateDrawEffect DrawEffects = bEnabled ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
TRange<double> LocalViewRange = GetViewRange();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax-LocalViewRangeMin;
FVector2D Scale = FVector2D(1.0f,1.0f);
if ( LocalSequenceLength > 0)
{
FScrubRangeToScreen RangeToScreen( LocalViewRange, AllottedGeometry.Size );
// draw tick marks
float MajorTickHeight = 9.0f;
TViewModelPtr<IClockExtension> Clock = Sequencer->GetViewModel()->GetRootSequenceModel().ImplicitCast();
if (Clock)
{
MajorTickHeight = Clock->GetCustomMajorTickSize(Sequencer);
}
FDrawTickArgs Args;
{
Args.AllottedGeometry = AllottedGeometry;
Args.bMirrorLabels = bMirrorLabels;
Args.bOnlyDrawMajorTicks = false;
Args.TickColor = FLinearColor::White;
Args.CullingRect = MyCullingRect;
Args.DrawEffects = DrawEffects;
Args.StartLayer = LayerId;
Args.TickOffset = bMirrorLabels ? 0.0f : FMath::Abs( AllottedGeometry.Size.Y - MajorTickHeight );
Args.MajorTickHeight = MajorTickHeight;
}
DrawTicks( OutDrawElements, LocalViewRange, RangeToScreen, Args );
// draw playback & selection range
FPaintPlaybackRangeArgs PlaybackRangeArgs(
bMirrorLabels ? FAppStyle::GetBrush("Sequencer.Timeline.PlayRange_Bottom_L") : FAppStyle::GetBrush("Sequencer.Timeline.PlayRange_Top_L"),
bMirrorLabels ? FAppStyle::GetBrush("Sequencer.Timeline.PlayRange_Bottom_R") : FAppStyle::GetBrush("Sequencer.Timeline.PlayRange_Top_R"),
6.f
);
LayerId = DrawPlaybackRange(AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, RangeToScreen, PlaybackRangeArgs);
LayerId = DrawSubSequenceRange(AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, RangeToScreen, PlaybackRangeArgs);
PlaybackRangeArgs.SolidFillOpacity = 0.05f;
LayerId = DrawSelectionRange(AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, RangeToScreen, PlaybackRangeArgs);
// Draw the scrub handle
FQualifiedFrameTime ScrubPosition = FQualifiedFrameTime(TimeSliderArgs.ScrubPosition.Get(), GetTickResolution());
FScrubberMetrics ScrubMetrics = GetScrubPixelMetrics(ScrubPosition, RangeToScreen);
const float HandleStart = ScrubMetrics.HandleRangePx.GetLowerBoundValue();
const float HandleEnd = ScrubMetrics.HandleRangePx.GetUpperBoundValue();
const int32 ArrowLayer = LayerId + 2;
FPaintGeometry MyGeometry = AllottedGeometry.ToPaintGeometry(
FVector2f( HandleEnd - HandleStart, AllottedGeometry.Size.Y-1.f ),
FSlateLayoutTransform(FVector2f( HandleStart, 1.f )) );
FTimeWarpTrackExtension* TimeWarpExtension = Sequencer->GetViewModel()->GetRootSequenceModel()->GetSharedData()->CastDynamic<FTimeWarpTrackExtension>();
const FTimeWarpTrackModel* ActiveTimeWarpTrack = TimeWarpExtension ? TimeWarpExtension->GetActiveTimeWarpTrack() : nullptr;
const bool bIsWarped = (Sequencer->GetSequencerSettings()->GetTimeWarpDisplayMode() == ESequencerTimeWarpDisplay::WarpedTime && ActiveTimeWarpTrack != nullptr);
FLinearColor ScrubColor = bIsWarped
? FStyleColors::AccentOrange.GetSpecifiedColor()
: FStyleColors::AccentRed.GetSpecifiedColor();
if (!bIsEvaluating)
{
ScrubColor = FStyleColors::AccentYellow.GetSpecifiedColor().CopyWithNewOpacity(.7f);
}
const FSlateBrush* Brush = ScrubMetrics.Style == ESequencerScrubberStyle::Vanilla
? VanillaScrubHandleDownBrush
: FrameBlockScrubHandleDownBrush;
if (bMirrorLabels)
{
FSlateRenderTransform FlipTransform(FScale2f(1.f, -1.f), FVector2f(0.f, AllottedGeometry.Size.Y));
MyGeometry.SetRenderTransform(
Concatenate(
FlipTransform,
MyGeometry.GetAccumulatedRenderTransform()
)
);
}
FSlateDrawElement::MakeBox(
OutDrawElements,
ArrowLayer,
MyGeometry,
Brush,
DrawEffects,
ScrubColor
);
LayerId = DrawMarkedFrames(AllottedGeometry, RangeToScreen, OutDrawElements, LayerId, DrawEffects, InWidgetStyle, true);
{
// Draw the current time next to the scrub handle
FString FrameString;
FLinearColor TextColor = Args.TickColor;
if (TimeSliderArgs.ScrubPositionText.IsSet())
{
FrameString = TimeSliderArgs.ScrubPositionText.Get();
}
else
{
FrameString = Sequencer->GetNumericTypeInterface()->ToString(ScrubPosition.Time.GetFrame().Value);
}
if (TimeSliderArgs.ScrubPositionParent.Get() != MovieSceneSequenceID::Invalid)
{
TextColor = FLinearColor::Yellow;
}
FVector2D TextSize = FontMeasureService->Measure(FrameString, SmallLayoutFont);
// Flip the text position if getting near the end of the view range
static const float TextOffsetPx = 2.f;
bool bDrawLeft = (AllottedGeometry.Size.X - HandleEnd) < (TextSize.X + 14.f) - TextOffsetPx;
float TextPosition = bDrawLeft ? HandleStart - TextSize.X - TextOffsetPx : HandleEnd + TextOffsetPx;
FVector2D TextOffset( TextPosition, Args.bMirrorLabels ? Args.AllottedGeometry.Size.Y - TextSize.Y : 0.f );
FSlateDrawElement::MakeText(
OutDrawElements,
Args.StartLayer+1,
Args.AllottedGeometry.ToPaintGeometry( TextSize, FSlateLayoutTransform(TextOffset) ),
FrameString,
SmallLayoutFont,
Args.DrawEffects,
TextColor
);
}
if (MouseDragType == DRAG_SETTING_RANGE && MouseDownPosition[0].IsSet() && MouseDownPosition[1].IsSet())
{
FFrameRate Resolution = GetTickResolution();
FFrameTime MouseDownTime[2];
FScrubRangeToScreen MouseDownRange(GetViewRange(), MouseDownGeometry.Size);
MouseDownTime[0] = ComputeFrameTimeFromMouse(MouseDownGeometry, MouseDownPosition[0].GetValue(), MouseDownRange);
MouseDownTime[1] = ComputeFrameTimeFromMouse(MouseDownGeometry, MouseDownPosition[1].GetValue(), MouseDownRange);
float MouseStartPosX = RangeToScreen.InputToLocalX(MouseDownTime[0] / Resolution);
float MouseEndPosX = RangeToScreen.InputToLocalX(MouseDownTime[1] / Resolution);
float RangePosX = MouseStartPosX < MouseEndPosX ? MouseStartPosX : MouseEndPosX;
float RangeSizeX = FMath::Abs(MouseStartPosX - MouseEndPosX);
FPaintGeometry PaintGeom = AllottedGeometry.ToPaintGeometry( FVector2f(RangeSizeX, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(RangePosX, 0.f)) );
if (bMirrorLabels)
{
FSlateRenderTransform FlipTransform(FScale2f(1.f, -1.f), FVector2f(0.f, AllottedGeometry.Size.Y));
PaintGeom.SetRenderTransform(
Concatenate(
FlipTransform,
PaintGeom.GetAccumulatedRenderTransform()
)
);
}
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
PaintGeom,
VanillaScrubHandleDownBrush,
DrawEffects,
MouseStartPosX < MouseEndPosX ? FLinearColor(0.5f, 0.5f, 0.5f) : FLinearColor(0.25f, 0.3f, 0.3f)
);
}
return ArrowLayer;
}
return LayerId;
}
int32 FSequencerTimeSliderController::DrawSelectionRange(const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FScrubRangeToScreen& RangeToScreen, const FPaintPlaybackRangeArgs& Args) const
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return LayerId;
}
TRange<double> SelectionRange = TimeSliderArgs.SelectionRange.Get() / GetTickResolution();
if (!SelectionRange.IsEmpty())
{
const float SelectionRangeL = RangeToScreen.InputToLocalX(SelectionRange.GetLowerBoundValue());
const float SelectionRangeR = RangeToScreen.InputToLocalX(SelectionRange.GetUpperBoundValue()) - 1;
const auto DrawColor = FAppStyle::GetSlateColor("SelectionColor").GetColor(FWidgetStyle());
if (Args.SolidFillOpacity > 0.f)
{
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(FVector2f(SelectionRangeR - SelectionRangeL, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SelectionRangeL, 0.f))),
FAppStyle::GetBrush("WhiteBrush"),
ESlateDrawEffect::None,
DrawColor.CopyWithNewOpacity(Args.SolidFillOpacity)
);
}
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(FVector2f(Args.BrushWidth, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SelectionRangeL, 0.f))),
Args.StartBrush,
ESlateDrawEffect::None,
DrawColor
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(FVector2f(Args.BrushWidth, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SelectionRangeR - Args.BrushWidth, 0.f))),
Args.EndBrush,
ESlateDrawEffect::None,
DrawColor
);
}
return LayerId + 1;
}
int32 FSequencerTimeSliderController::DrawPlaybackRange(const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FScrubRangeToScreen& RangeToScreen, const FPaintPlaybackRangeArgs& Args) const
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return LayerId;
}
if (!TimeSliderArgs.PlaybackRange.IsSet())
{
return LayerId;
}
const uint8 OpacityBlend = TimeSliderArgs.SubSequenceRange.Get().IsSet() ? 128 : 255;
TRange<FFrameNumber> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
FFrameRate TickResolution = GetTickResolution();
const float PlaybackRangeL = RangeToScreen.InputToLocalX(PlaybackRange.GetLowerBoundValue() / TickResolution);
const float PlaybackRangeR = RangeToScreen.InputToLocalX(PlaybackRange.GetUpperBoundValue() / TickResolution) - 1;
const FLinearColor PlaybackRangeStartColor = Sequencer->GetSequencerSettings()->GetPlaybackRangeStartColor();
const FLinearColor PlaybackRangeEndColor = Sequencer->GetSequencerSettings()->GetPlaybackRangeEndColor();
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(Args.BrushWidth, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(PlaybackRangeL, 0.f))),
Args.StartBrush,
ESlateDrawEffect::None,
PlaybackRangeStartColor.CopyWithNewOpacity(OpacityBlend)
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(Args.BrushWidth, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(PlaybackRangeR - Args.BrushWidth, 0.f))),
Args.EndBrush,
ESlateDrawEffect::None,
PlaybackRangeEndColor.CopyWithNewOpacity(OpacityBlend)
);
// Black tint for excluded regions
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(PlaybackRangeL, AllottedGeometry.Size.Y), FSlateLayoutTransform()),
FAppStyle::GetBrush("WhiteBrush"),
ESlateDrawEffect::None,
FLinearColor::Black.CopyWithNewOpacity(0.3f * OpacityBlend / 255.f)
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(AllottedGeometry.Size.X - PlaybackRangeR, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(PlaybackRangeR, 0.f))),
FAppStyle::GetBrush("WhiteBrush"),
ESlateDrawEffect::None,
FLinearColor::Black.CopyWithNewOpacity(0.3f * OpacityBlend / 255.f)
);
return LayerId + 1;
}
int32 FSequencerTimeSliderController::DrawSubSequenceRange(const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FScrubRangeToScreen& RangeToScreen, const FPaintPlaybackRangeArgs& Args) const
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return LayerId;
}
TOptional<TRange<FFrameNumber>> RangeValue;
RangeValue = TimeSliderArgs.SubSequenceRange.Get(RangeValue);
if (!RangeValue.IsSet() || RangeValue->IsEmpty())
{
return LayerId;
}
const FFrameRate Resolution = GetTickResolution();
const FFrameNumber LowerFrame = RangeValue.GetValue().GetLowerBoundValue();
const FFrameNumber UpperFrame = RangeValue.GetValue().GetUpperBoundValue();
const float SubSequenceRangeL = RangeToScreen.InputToLocalX(LowerFrame / Resolution) - 1;
const float SubSequenceRangeR = RangeToScreen.InputToLocalX(UpperFrame / Resolution) + 1;
static const FSlateBrush* LineBrushL(FAppStyle::GetBrush("Sequencer.Timeline.PlayRange_L"));
static const FSlateBrush* LineBrushR(FAppStyle::GetBrush("Sequencer.Timeline.PlayRange_R"));
const FLinearColor PlaybackRangeStartColor = Sequencer->GetSequencerSettings()->GetPlaybackRangeStartColor();
const FLinearColor PlaybackRangeEndColor = Sequencer->GetSequencerSettings()->GetPlaybackRangeEndColor();
FColor GreenTint(32, 128, 32); // 120, 75, 50 (HSV)
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(Args.BrushWidth, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SubSequenceRangeL, 0.f))),
LineBrushL,
ESlateDrawEffect::None,
PlaybackRangeStartColor
);
FColor RedTint(192, 48, 48); // 0, 75, 75 (HSV)
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(Args.BrushWidth, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SubSequenceRangeR - Args.BrushWidth, 0.f))),
LineBrushR,
ESlateDrawEffect::None,
PlaybackRangeEndColor
);
// Black tint for excluded regions
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(SubSequenceRangeL, AllottedGeometry.Size.Y), FSlateLayoutTransform()),
FAppStyle::GetBrush("WhiteBrush"),
ESlateDrawEffect::None,
FLinearColor::Black.CopyWithNewOpacity(0.3f)
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(AllottedGeometry.Size.X - SubSequenceRangeR, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SubSequenceRangeR, 0.f))),
FAppStyle::GetBrush("WhiteBrush"),
ESlateDrawEffect::None,
FLinearColor::Black.CopyWithNewOpacity(0.3f)
);
// Hash applied to the left and right of the sequence bounds
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(16.f, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SubSequenceRangeL - 16.f, 0.f))),
FAppStyle::GetBrush("Sequencer.Timeline.SubSequenceRangeHashL"),
ESlateDrawEffect::None,
PlaybackRangeStartColor
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2f(16.f, AllottedGeometry.Size.Y), FSlateLayoutTransform(FVector2f(SubSequenceRangeR, 0.f))),
FAppStyle::GetBrush("Sequencer.Timeline.SubSequenceRangeHashR"),
ESlateDrawEffect::None,
PlaybackRangeEndColor
);
return LayerId + 1;
}
FReply FSequencerTimeSliderController::OnMouseButtonDown( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
MouseDragType = DRAG_NONE;
DistanceDragged = 0;
MouseDownPlaybackRange = TimeSliderArgs.PlaybackRange.Get();
MouseDownSelectionRange = TimeSliderArgs.SelectionRange.Get();
MouseDownPosition[0] = MouseDownPosition[1] = MouseEvent.GetScreenSpacePosition();
MouseDownGeometry = MyGeometry;
bMouseDownInRegion = false;
FVector2D CursorPos = MouseEvent.GetScreenSpacePosition();
FVector2D LocalPos = MouseDownGeometry.AbsoluteToLocal(CursorPos);
if (LocalPos.Y >= 0 && LocalPos.Y < MouseDownGeometry.GetLocalSize().Y)
{
bMouseDownInRegion = true;
}
return FReply::Unhandled();
}
FReply FSequencerTimeSliderController::OnMouseButtonUp( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
bool bHandleLeftMouseButton = MouseEvent.GetEffectingButton() == EKeys::LeftMouseButton && WidgetOwner.HasMouseCapture();
bool bHandleRightMouseButton = MouseEvent.GetEffectingButton() == EKeys::RightMouseButton && WidgetOwner.HasMouseCapture() && TimeSliderArgs.AllowZoom ;
bool bHandleMiddleMouseButton = MouseEvent.GetEffectingButton() == EKeys::MiddleMouseButton && WidgetOwner.HasMouseCapture();
FScrubRangeToScreen RangeToScreen = FScrubRangeToScreen(GetViewRange(), MyGeometry.Size);
FFrameTime MouseTime = ComputeFrameTimeFromMouse(MyGeometry, MouseEvent.GetScreenSpacePosition(), RangeToScreen);
if ( bHandleRightMouseButton )
{
if (!bPanning)
{
// Open a context menu if allowed
if (ContextMenuSuppression == 0 && TimeSliderArgs.PlaybackRange.IsSet())
{
TSharedRef<SWidget> MenuContent = OpenSetPlaybackRangeMenu(MyGeometry, MouseEvent);
FSlateApplication::Get().PushMenu(
WidgetOwner.AsShared(),
MouseEvent.GetEventPath() != nullptr ? *MouseEvent.GetEventPath() : FWidgetPath(),
MenuContent,
MouseEvent.GetScreenSpacePosition(),
FPopupTransitionEffect( FPopupTransitionEffect::ContextMenu )
);
return FReply::Handled().SetUserFocus(MenuContent, EFocusCause::SetDirectly).ReleaseMouseCapture();
}
// return unhandled in case our parent wants to use our right mouse button to open a context menu
if (DistanceDragged == 0.f)
{
return FReply::Unhandled().ReleaseMouseCapture();
}
}
bPanning = false;
bMouseDownInRegion = false;
MouseDownPosition[0].Reset();
MouseDownPosition[1].Reset();
return FReply::Handled().ReleaseMouseCapture();
}
else if ( bHandleLeftMouseButton || bHandleMiddleMouseButton )
{
if (MouseDragType == DRAG_PLAYBACK_START)
{
TimeSliderArgs.OnPlaybackRangeEndDrag.ExecuteIfBound();
}
else if (MouseDragType == DRAG_PLAYBACK_END)
{
TimeSliderArgs.OnPlaybackRangeEndDrag.ExecuteIfBound();
}
else if (MouseDragType == DRAG_SELECTION_START)
{
TimeSliderArgs.OnSelectionRangeEndDrag.ExecuteIfBound();
}
else if (MouseDragType == DRAG_SELECTION_END)
{
TimeSliderArgs.OnSelectionRangeEndDrag.ExecuteIfBound();
}
else if (MouseDragType == DRAG_MARK)
{
TimeSliderArgs.OnMarkEndDrag.ExecuteIfBound();
}
else if (MouseDragType == DRAG_SETTING_RANGE && MouseDownPosition[0].IsSet())
{
// Zooming
FFrameTime MouseDownStart = ComputeFrameTimeFromMouse(MyGeometry, MouseDownPosition[0].GetValue(), RangeToScreen);
const bool bCanZoomIn = MouseTime > MouseDownStart;
const bool bCanZoomOut = ViewRangeStack.Num() > 0;
if (bCanZoomIn || bCanZoomOut)
{
TRange<double> ViewRange = GetViewRange();
if (!bCanZoomIn)
{
ViewRange = ViewRangeStack.Pop();
}
if (bCanZoomIn)
{
// push the current value onto the stack
ViewRangeStack.Add(ViewRange);
ViewRange = TRange<double>(MouseDownStart.FrameNumber / GetTickResolution(), MouseTime.FrameNumber / GetTickResolution());
}
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(ViewRange, EViewRangeInterpolation::Immediate);
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves
TimeSliderArgs.ViewRange.Set(ViewRange);
}
}
}
else if (bMouseDownInRegion)
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (HoverMarkIndex == INDEX_NONE)
{
FFrameTime ScrubTime = MouseTime;
FVector2D CursorPos = MouseEvent.GetScreenSpacePosition();
if (MouseDragType == DRAG_SCRUBBING_TIME)
{
ScrubTime = ComputeScrubTimeFromMouse(MyGeometry, MouseEvent, RangeToScreen);
}
else if (Sequencer.IsValid())
{
ScrubTime = SnapTimeToNearestKey(MouseEvent, RangeToScreen, CursorPos.X, ScrubTime);
// We weren't scrubbing, so this is a single click in the time slider. This should
// also act as a deselection of any selected markers.
Sequencer->GetViewModel()->GetSelection()->MarkedFrames.Empty();
}
// If middle mouse button down we don't evaluate on the time change
CommitScrubPosition( ScrubTime, /*bIsScrubbing=*/false , /*bEvaluate*/ !bHandleMiddleMouseButton);
// Teleport the playhead to the clicked time.
TimeSliderArgs.OnEndScrubberMovement.ExecuteIfBound();
}
else if (Sequencer.IsValid())
{
// Select the clicked marker, and optionally teleport the playhead.
HandleMarkSelection(HoverMarkIndex);
FModifierKeysState ModifierKeys = FSlateApplication::Get().GetModifierKeys();
const bool bSnapPlayTimeToMark = ModifierKeys.AreModifersDown(EModifierKey::Shift);
if (bSnapPlayTimeToMark || Sequencer->GetSequencerSettings()->GetSnapPlayTimeToPressedKey())
{
const TArray<FMovieSceneMarkedFrame>& MarkedFrames = TimeSliderArgs.MarkedFrames.Get();
const FFrameNumber MarkTime = MarkedFrames[HoverMarkIndex].FrameNumber;
// If middle mouse button down we don't evaluate on the time change
CommitScrubPosition(MarkTime, /*bIsScrubbing=*/ false , /*bEvaluate*/ !bHandleMiddleMouseButton);
}
}
}
MouseDragType = DRAG_NONE;
DistanceDragged = 0.f;
bMouseDownInRegion = false;
MouseDownPosition[0].Reset();
MouseDownPosition[1].Reset();
return FReply::Handled().ReleaseMouseCapture();
}
bMouseDownInRegion = false;
MouseDownPosition[0].Reset();
MouseDownPosition[1].Reset();
return FReply::Unhandled();
}
FReply FSequencerTimeSliderController::OnMouseButtonDoubleClick(SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
if (HoverMarkIndex != INDEX_NONE)
{
// Teleport the playhead to the double-clicked marker.
bool bHandleMiddleMouseButton = MouseEvent.GetEffectingButton() == EKeys::MiddleMouseButton && WidgetOwner.HasMouseCapture();
const TArray<FMovieSceneMarkedFrame>& MarkedFrames = TimeSliderArgs.MarkedFrames.Get();
const FFrameNumber MarkTime = MarkedFrames[HoverMarkIndex].FrameNumber;
CommitScrubPosition(MarkTime, /*bIsScrubbing=*/ false , /*bEvaluate*/ !bHandleMiddleMouseButton);
}
return FReply::Unhandled();
}
double FSequencerTimeSliderController::ComputeHeight() const
{
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (Sequencer.IsValid())
{
TViewModelPtr<IClockExtension> Clock = Sequencer->GetViewModel()->GetRootSequenceModel().ImplicitCast();
if (Clock)
{
return Clock->GetDesiredTimeSliderHeight(Sequencer);
}
}
return 22.0;
}
FReply FSequencerTimeSliderController::OnMouseMove( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
return OnMouseMoveImpl(WidgetOwner, MyGeometry, MouseEvent, false);
}
FReply FSequencerTimeSliderController::OnTimeSliderMouseMove(SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
return OnMouseMoveImpl(WidgetOwner, MyGeometry, MouseEvent, true);
}
FReply FSequencerTimeSliderController::OnMouseMoveImpl( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent, bool bFromTimeSlider )
{
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return FReply::Unhandled();
}
bool bHandleLeftMouseButton = MouseEvent.IsMouseButtonDown( EKeys::LeftMouseButton );
bool bHandleRightMouseButton = MouseEvent.IsMouseButtonDown( EKeys::RightMouseButton ) && TimeSliderArgs.AllowZoom;
bool bHandleMiddleMouseButton = MouseEvent.IsMouseButtonDown(EKeys::MiddleMouseButton);
const bool bLockedMarkedFrames = TimeSliderArgs.AreMarkedFramesLocked.Get();
HoverMarkIndex = INDEX_NONE;
int32 DragMarkIndex = INDEX_NONE;
if (bHandleRightMouseButton)
{
if (!bPanning)
{
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( DistanceDragged > 0.f /*FSlateApplication::Get().GetDragTriggerDistance()*/ )
{
bPanning = true;
}
}
else if (MouseEvent.IsShiftDown() && MouseEvent.IsAltDown())
{
float MouseFractionX = MyGeometry.AbsoluteToLocal(MouseEvent.GetScreenSpacePosition()).X / MyGeometry.GetLocalSize().X;
// If zooming on the current time, adjust mouse fractionX
if (Sequencer->GetSequencerSettings()->GetZoomPosition() == ESequencerZoomPosition::SZP_CurrentTime)
{
const double ScrubPosition = TimeSliderArgs.ScrubPosition.Get() / GetTickResolution();
if (GetViewRange().Contains(ScrubPosition))
{
FScrubRangeToScreen RangeToScreen(GetViewRange(), MyGeometry.Size);
float TimePosition = RangeToScreen.InputToLocalX(ScrubPosition);
MouseFractionX = TimePosition / MyGeometry.GetLocalSize().X;
}
}
const float ZoomDelta = -0.01f * MouseEvent.GetCursorDelta().X;
ZoomByDelta(ZoomDelta, MouseFractionX);
}
else
{
TRange<double> LocalViewRange = GetViewRange();
double LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
double LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
FScrubRangeToScreen ScaleInfo( LocalViewRange, MyGeometry.Size );
FVector2D ScreenDelta = MouseEvent.GetCursorDelta();
FVector2D InputDelta;
InputDelta.X = ScreenDelta.X/ScaleInfo.PixelsPerInput;
double NewViewOutputMin = LocalViewRangeMin - InputDelta.X;
double NewViewOutputMax = LocalViewRangeMax - InputDelta.X;
ClampViewRange(NewViewOutputMin, NewViewOutputMax);
SetViewRange(NewViewOutputMin, NewViewOutputMax, EViewRangeInterpolation::Immediate);
}
}
else if ((bHandleLeftMouseButton || bHandleMiddleMouseButton) && MouseDownPosition[0].IsSet())
{
TRange<double> LocalViewRange = GetViewRange();
FScrubRangeToScreen RangeToScreen(LocalViewRange, MyGeometry.Size);
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( MouseDragType == DRAG_NONE )
{
if ( DistanceDragged > 0.f /*FSlateApplication::Get().GetDragTriggerDistance()*/ )
{
FFrameTime MouseDownFree = ComputeFrameTimeFromMouse(MyGeometry, MouseDownPosition[0].GetValue(), RangeToScreen, false);
const bool bReadOnly = Sequencer->IsReadOnly();
const FFrameRate TickResolution = GetTickResolution();
const bool bLockedPlayRange = TimeSliderArgs.IsPlaybackRangeLocked.Get();
const float MouseDownPixel = RangeToScreen.InputToLocalX(MouseDownFree / TickResolution);
const bool bHitScrubber = GetHitTestScrubPixelMetrics(RangeToScreen).HandleRangePx.Contains(MouseDownPixel);
TRange<double> SelectionRange = TimeSliderArgs.SelectionRange.Get() / TickResolution;
TRange<double> PlaybackRange = TimeSliderArgs.PlaybackRange.Get() / TickResolution;
// Disable selection range test if it's empty so that the playback range scrubbing gets priority
if (!SelectionRange.IsEmpty() && !bHitScrubber && HitTestRangeEnd(RangeToScreen, SelectionRange, MouseDownPixel) && bHandleMiddleMouseButton == false)
{
// selection range end scrubber
MouseDragType = DRAG_SELECTION_END;
TimeSliderArgs.OnSelectionRangeBeginDrag.ExecuteIfBound();
}
else if (!SelectionRange.IsEmpty() && !bHitScrubber && HitTestRangeStart(RangeToScreen, SelectionRange, MouseDownPixel) && bHandleMiddleMouseButton == false)
{
// selection range start scrubber
MouseDragType = DRAG_SELECTION_START;
TimeSliderArgs.OnSelectionRangeBeginDrag.ExecuteIfBound();
}
else if (!bLockedPlayRange && !bHitScrubber && HitTestRangeEnd(RangeToScreen, PlaybackRange, MouseDownPixel) && bHandleMiddleMouseButton == false)
{
// playback range end scrubber
MouseDragType = DRAG_PLAYBACK_END;
TimeSliderArgs.OnPlaybackRangeBeginDrag.ExecuteIfBound();
}
else if (!bLockedPlayRange && !bHitScrubber && HitTestRangeStart(RangeToScreen, PlaybackRange, MouseDownPixel) && bHandleMiddleMouseButton == false)
{
// playback range start scrubber
MouseDragType = DRAG_PLAYBACK_START;
TimeSliderArgs.OnPlaybackRangeBeginDrag.ExecuteIfBound();
}
else if (!bLockedMarkedFrames && !bHitScrubber && HitTestMark(MyGeometry, RangeToScreen, MouseDownPixel, bFromTimeSlider, &DragMarkIndex) && bHandleMiddleMouseButton == false)
{
MouseDragType = DRAG_MARK;
HandleMarkSelection(DragMarkIndex);
DragMarkMap.Empty();
const FMarkedFrameSelection& SelectedMarkedFrames = Sequencer->GetViewModel()->GetSelection()->MarkedFrames;
const TArray<FMovieSceneMarkedFrame>& MarkedFrames = TimeSliderArgs.MarkedFrames.Get();
for (TSet<int32>::TConstIterator It = SelectedMarkedFrames.GetSelected(); It; ++It)
{
const int32 MarkIndex = *It;
const FMovieSceneMarkedFrame& MarkedFrame = MarkedFrames[MarkIndex];
DragMarkMap.Add(MarkIndex, MarkedFrame.FrameNumber);
}
TimeSliderArgs.OnMarkBeginDrag.ExecuteIfBound();
}
else if (FSlateApplication::Get().GetModifierKeys().AreModifersDown(EModifierKey::Control) && bHandleMiddleMouseButton == false)
{
MouseDragType = DRAG_SETTING_RANGE;
}
else if (bMouseDownInRegion)
{
MouseDragType = DRAG_SCRUBBING_TIME;
TimeSliderArgs.OnBeginScrubberMovement.ExecuteIfBound();
}
}
}
else
{
FFrameTime MouseTime = ComputeFrameTimeFromMouse(MyGeometry, MouseEvent.GetScreenSpacePosition(), RangeToScreen);
FFrameTime ScrubTime = ComputeScrubTimeFromMouse(MyGeometry, MouseEvent, RangeToScreen);
FFrameTime MouseDownTime = ComputeFrameTimeFromMouse(MyGeometry, MouseDownPosition[0].GetValue(), RangeToScreen);
FFrameNumber DiffFrame = MouseTime.FrameNumber - MouseDownTime.FrameNumber;
// Set the start range time?
if (MouseDragType == DRAG_PLAYBACK_START)
{
if (MouseEvent.IsShiftDown())
{
SetPlaybackRangeStart(MouseDownPlaybackRange.GetLowerBoundValue() + DiffFrame);
SetPlaybackRangeEnd(MouseDownPlaybackRange.GetUpperBoundValue() + DiffFrame);
}
else
{
SetPlaybackRangeStart(MouseTime.FrameNumber);
}
}
// Set the end range time?
else if(MouseDragType == DRAG_PLAYBACK_END)
{
if (MouseEvent.IsShiftDown())
{
SetPlaybackRangeStart(MouseDownPlaybackRange.GetLowerBoundValue() + DiffFrame);
SetPlaybackRangeEnd(MouseDownPlaybackRange.GetUpperBoundValue() + DiffFrame);
}
else
{
SetPlaybackRangeEnd(MouseTime.FrameNumber);
}
}
else if (MouseDragType == DRAG_SELECTION_START)
{
if (MouseEvent.IsShiftDown())
{
SetSelectionRangeStart(MouseDownSelectionRange.GetLowerBoundValue() + DiffFrame);
SetSelectionRangeEnd(MouseDownSelectionRange.GetUpperBoundValue() + DiffFrame);
}
else
{
SetSelectionRangeStart(MouseTime.FrameNumber);
}
}
// Set the end range time?
else if(MouseDragType == DRAG_SELECTION_END)
{
if (MouseEvent.IsShiftDown())
{
SetSelectionRangeStart(MouseDownSelectionRange.GetLowerBoundValue() + DiffFrame);
SetSelectionRangeEnd(MouseDownSelectionRange.GetUpperBoundValue() + DiffFrame);
}
else
{
SetSelectionRangeEnd(MouseTime.FrameNumber);
}
}
else if (MouseDragType == DRAG_MARK)
{
SetMark(DiffFrame);
}
else if (MouseDragType == DRAG_SCRUBBING_TIME)
{
// Delegate responsibility for clamping to the current viewrange to the client
CommitScrubPosition( ScrubTime, /*bIsScrubbing=*/true, /*bEvaluate*/ !bHandleMiddleMouseButton); //if middle mouse button down we don't evaluate on the time change
}
else if (MouseDragType == DRAG_SETTING_RANGE)
{
MouseDownPosition[1] = MouseEvent.GetScreenSpacePosition();
}
}
}
else if (bFromTimeSlider && !bLockedMarkedFrames && DragMarkIndex == INDEX_NONE)
{
// Update hover state of marked frames.
TRange<double> LocalViewRange = GetViewRange();
FScrubRangeToScreen RangeToScreen(LocalViewRange, MyGeometry.Size);
const FVector2D LocalMousePostion = MyGeometry.AbsoluteToLocal(MouseEvent.GetScreenSpacePosition());
HitTestMark(MyGeometry, RangeToScreen, LocalMousePostion.X, bFromTimeSlider, &HoverMarkIndex);
}
if ( DistanceDragged != 0.f && (bHandleLeftMouseButton || bHandleRightMouseButton) )
{
return FReply::Handled().CaptureMouse(WidgetOwner.AsShared());
}
return FReply::Handled();
}
void FSequencerTimeSliderController::CommitScrubPosition( FFrameTime NewValue, bool bIsScrubbing, bool bEvaluate)
{
using namespace UE::Sequencer;
bIsEvaluating = bEvaluate;
// The user can scrub past the viewing range of the time slider controller, so we clamp it to the view range.
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if(!Sequencer.IsValid())
{
return;
}
const bool bIsWarped = Sequencer->GetSequencerSettings()->GetTimeWarpDisplayMode() == ESequencerTimeWarpDisplay::WarpedTime;
FTimeDomainOverride TimeDomainOverride = Sequencer->OverrideTimeDomain(bIsWarped ? ETimeDomain::Warped : ETimeDomain::Unwarped);
Sequencer->SnapSequencerTime(NewValue);
if (bIsScrubbing)
{
FAnimatedRange ViewRange = GetViewRange();
FFrameRate DisplayRate = Sequencer->GetFocusedDisplayRate();
FFrameRate TickResolution = Sequencer->GetFocusedTickResolution();
FFrameTime LowerBound = (ViewRange.GetLowerBoundValue() * TickResolution).CeilToFrame();
FFrameTime UpperBound = (ViewRange.GetUpperBoundValue() * TickResolution).FloorToFrame();
if (Sequencer->GetSequencerSettings()->GetForceWholeFrames())
{
LowerBound = FFrameRate::Snap(LowerBound, TickResolution, DisplayRate);
UpperBound = FFrameRate::Snap(UpperBound, TickResolution, DisplayRate);
}
NewValue = FMath::Clamp(NewValue, LowerBound, UpperBound);
}
// Manage the scrub position ourselves if its not bound to a delegate
if ( !TimeSliderArgs.ScrubPosition.IsBound() )
{
TimeSliderArgs.ScrubPosition.Set( NewValue );
}
TimeSliderArgs.OnScrubPositionChanged.ExecuteIfBound( NewValue, bIsScrubbing, bEvaluate);
}
FReply FSequencerTimeSliderController::OnMouseWheel( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
TOptional<TRange<float>> NewTargetRange;
if ( TimeSliderArgs.AllowZoom && MouseEvent.IsControlDown() )
{
float MouseFractionX = MyGeometry.AbsoluteToLocal(MouseEvent.GetScreenSpacePosition()).X / MyGeometry.GetLocalSize().X;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
// If zooming on the current time, adjust mouse fractionX
if (Sequencer.IsValid() && Sequencer->GetSequencerSettings()->GetZoomPosition() == ESequencerZoomPosition::SZP_CurrentTime)
{
const double ScrubPosition = TimeSliderArgs.ScrubPosition.Get() / GetTickResolution();
if (GetViewRange().Contains(ScrubPosition))
{
FScrubRangeToScreen RangeToScreen(GetViewRange(), MyGeometry.Size);
float TimePosition = RangeToScreen.InputToLocalX(ScrubPosition);
MouseFractionX = TimePosition / MyGeometry.GetLocalSize().X;
}
}
const float ZoomDelta = -0.2f * MouseEvent.GetWheelDelta();
if (ZoomByDelta(ZoomDelta, MouseFractionX))
{
return FReply::Handled();
}
}
else if (MouseEvent.IsShiftDown())
{
PanByDelta(-MouseEvent.GetWheelDelta());
return FReply::Handled();
}
return FReply::Unhandled();
}
FCursorReply FSequencerTimeSliderController::OnCursorQuery( TSharedRef<const SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& CursorEvent ) const
{
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return FCursorReply::Unhandled();
}
FScrubRangeToScreen RangeToScreen(GetViewRange(), MyGeometry.Size);
const bool bReadOnly = Sequencer->IsReadOnly();
const FFrameRate TickResolution = GetTickResolution();
const bool bLockedPlayRange = TimeSliderArgs.IsPlaybackRangeLocked.Get();
const bool bLockedMarkedFrames = TimeSliderArgs.AreMarkedFramesLocked.Get();
const float HitTestPixel = MyGeometry.AbsoluteToLocal(CursorEvent.GetScreenSpacePosition()).X;
const bool bHitScrubber = GetHitTestScrubPixelMetrics(RangeToScreen).HandleRangePx.Contains(HitTestPixel);
TRange<double> SelectionRange = TimeSliderArgs.SelectionRange.Get() / TickResolution;
TRange<double> PlaybackRange = TimeSliderArgs.PlaybackRange.Get() / TickResolution;
if (MouseDragType == DRAG_SCRUBBING_TIME)
{
return FCursorReply::Unhandled();
}
// Use L/R resize cursor if we're dragging or hovering a playback range bound
if ((MouseDragType == DRAG_PLAYBACK_END) ||
(MouseDragType == DRAG_PLAYBACK_START) ||
(MouseDragType == DRAG_SELECTION_START) ||
(MouseDragType == DRAG_SELECTION_END) ||
(!bLockedPlayRange && !bHitScrubber && HitTestRangeStart(RangeToScreen, PlaybackRange, HitTestPixel)) ||
(!bLockedPlayRange && !bHitScrubber && HitTestRangeEnd( RangeToScreen, PlaybackRange, HitTestPixel)) ||
(!SelectionRange.IsEmpty() && !bHitScrubber && HitTestRangeStart(RangeToScreen, SelectionRange, HitTestPixel)) ||
(!SelectionRange.IsEmpty() && !bHitScrubber && HitTestRangeEnd( RangeToScreen, SelectionRange, HitTestPixel)))
{
return FCursorReply::Cursor(EMouseCursor::ResizeLeftRight);
}
const bool bFromTimeSlider = true;
if (MouseDragType == DRAG_MARK || (!bLockedMarkedFrames && !bHitScrubber && HitTestMark(MyGeometry, RangeToScreen, HitTestPixel, bFromTimeSlider)))
{
return FCursorReply::Cursor(EMouseCursor::CardinalCross);
}
return FCursorReply::Unhandled();
}
int32 FSequencerTimeSliderController::OnPaintViewArea( const FGeometry& AllottedGeometry, const FSlateRect& MyCullingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, bool bEnabled, const FPaintViewAreaArgs& Args ) const
{
using namespace UE::MovieScene;
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return LayerId;
}
const ESlateDrawEffect DrawEffects = bEnabled ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
TRange<double> LocalViewRange = GetViewRange();
FScrubRangeToScreen RangeToScreen( LocalViewRange, AllottedGeometry.Size );
if (Args.PlaybackRangeArgs.IsSet())
{
FPaintPlaybackRangeArgs PaintArgs = Args.PlaybackRangeArgs.GetValue();
LayerId = DrawPlaybackRange(AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, RangeToScreen, PaintArgs);
LayerId = DrawSubSequenceRange(AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, RangeToScreen, PaintArgs);
PaintArgs.SolidFillOpacity = 0.f;
LayerId = DrawSelectionRange(AllottedGeometry, MyCullingRect, OutDrawElements, LayerId, RangeToScreen, PaintArgs);
}
if( Args.bDisplayTickLines )
{
static FLinearColor TickColor(0.f, 0.f, 0.f, 0.3f);
// Draw major tick lines in the section area
FDrawTickArgs DrawTickArgs;
{
DrawTickArgs.AllottedGeometry = AllottedGeometry;
DrawTickArgs.bMirrorLabels = false;
DrawTickArgs.bOnlyDrawMajorTicks = true;
DrawTickArgs.TickColor = TickColor;
DrawTickArgs.CullingRect = MyCullingRect;
DrawTickArgs.DrawEffects = DrawEffects;
// Draw major ticks under sections
DrawTickArgs.StartLayer = LayerId-1;
// Draw the tick the entire height of the section area
DrawTickArgs.TickOffset = 0.0f;
DrawTickArgs.MajorTickHeight = AllottedGeometry.Size.Y;
}
DrawTicks( OutDrawElements, LocalViewRange, RangeToScreen, DrawTickArgs );
}
if (Args.bDisplayMarkedFrames)
{
LayerId = DrawMarkedFrames(AllottedGeometry, RangeToScreen, OutDrawElements, LayerId, DrawEffects, FWidgetStyle(), false);
}
LayerId = DrawScalingAnchors(AllottedGeometry, RangeToScreen, OutDrawElements, LayerId, DrawEffects);
LayerId = DrawVerticalFrames(AllottedGeometry, RangeToScreen, OutDrawElements, LayerId, DrawEffects);
FTimeWarpTrackExtension* TimeWarpExtension = Sequencer->GetViewModel()->GetRootSequenceModel()->GetSharedData()->CastDynamic<FTimeWarpTrackExtension>();
const FTimeWarpTrackModel* ActiveTimeWarpTrack = TimeWarpExtension ? TimeWarpExtension->GetActiveTimeWarpTrack() : nullptr;
FLinearColor TimeWarpColor = FStyleColors::AccentOrange.GetSpecifiedColor();
// If we have no active timewarp track, just draw the single scrub position
if (ActiveTimeWarpTrack == nullptr || Sequencer->GetSequencerSettings()->GetTimeWarpDisplayMode() != ESequencerTimeWarpDisplay::Both)
{
const bool bIsWarped = (Sequencer->GetSequencerSettings()->GetTimeWarpDisplayMode() == ESequencerTimeWarpDisplay::WarpedTime && ActiveTimeWarpTrack != nullptr);
FLinearColor ScrubColor = bIsWarped ? TimeWarpColor : FLinearColor::White;
FQualifiedFrameTime ScrubPosition = FQualifiedFrameTime(TimeSliderArgs.ScrubPosition.Get(), GetTickResolution());
FScrubberMetrics ScrubMetrics = GetScrubPixelMetrics(ScrubPosition, RangeToScreen);
if (ScrubMetrics.bDrawExtents)
{
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(
FVector2f(ScrubMetrics.FrameExtentsPx.Size<float>(), AllottedGeometry.Size.Y),
FSlateLayoutTransform(FVector2f(ScrubMetrics.FrameExtentsPx.GetLowerBoundValue(), 0.f))),
ScrubFillBrush,
DrawEffects,
ScrubColor.CopyWithNewOpacity(0.5f)
);
}
if (Args.bDisplayScrubPosition)
{
const float ScrubPixelX = RangeToScreen.InputToLocalX(ScrubPosition.AsSeconds());
TArray<FVector2f> LinePoints;
LinePoints.AddUninitialized(2);
LinePoints[0] = FVector2f( ScrubPixelX, 0.f );
LinePoints[1] = FVector2f( ScrubPixelX, AllottedGeometry.Size.Y );
// Draw a white line for the unwarped scrub position
FSlateDrawElement::MakeLines(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(),
LinePoints,
DrawEffects,
ScrubColor,
false
);
}
}
else
{
// Handle timewarp by drawing the white (unwarped) position up to the bottom of the active timewarp track,
// then draw the orange (warped) time from there
FVirtualGeometry Geometry = ActiveTimeWarpTrack->GetVirtualGeometry();
const float UnwarpedScrubVerticalClip = StaticCastSharedRef<SSequencer>(Sequencer->GetSequencerWidget())->GetPinnedTreeView()->VirtualToPhysical(Geometry.GetTop() + Geometry.GetNestedHeight());
FQualifiedFrameTime UnwarpedScrubPosition = Sequencer->GetUnwarpedLocalTime();
FQualifiedFrameTime WarpedScrubPosition = Sequencer->GetLocalTime();
FScrubberMetrics UnwarpedScrubMetrics = GetScrubPixelMetrics(UnwarpedScrubPosition, RangeToScreen);
FScrubberMetrics WarpedScrubMetrics = GetScrubPixelMetrics(WarpedScrubPosition, RangeToScreen);
if (UnwarpedScrubMetrics.bDrawExtents)
{
// Draw a box for the unwarped scrub position
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(
FVector2f(UnwarpedScrubMetrics.FrameExtentsPx.Size<float>(), UnwarpedScrubVerticalClip - 1.f),
FSlateLayoutTransform(FVector2f(UnwarpedScrubMetrics.FrameExtentsPx.GetLowerBoundValue(), 0.f))),
ScrubFillBrush,
DrawEffects,
FLinearColor::White.CopyWithNewOpacity(0.5f)
);
// Draw a box for the warped scrub position
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(
FVector2f(WarpedScrubMetrics.FrameExtentsPx.Size<float>(), AllottedGeometry.Size.Y - UnwarpedScrubVerticalClip),
FSlateLayoutTransform(FVector2f(WarpedScrubMetrics.FrameExtentsPx.GetLowerBoundValue(), UnwarpedScrubVerticalClip))),
ScrubFillBrush,
DrawEffects,
TimeWarpColor.CopyWithNewOpacity(0.75f)
);
}
if (Args.bDisplayScrubPosition)
{
const float UnwarpedScrubPixelX = RangeToScreen.InputToLocalX(UnwarpedScrubPosition.AsSeconds());
const float WarpedScrubPixelX = RangeToScreen.InputToLocalX(WarpedScrubPosition.AsSeconds());
const float OriginPixelX = RangeToScreen.InputToLocalX(0.f);
TArray<FVector2f> LinePoints;
LinePoints.AddUninitialized(2);
LinePoints[0] = FVector2f( UnwarpedScrubPixelX, 0.f );
LinePoints[1] = FVector2f( UnwarpedScrubPixelX, UnwarpedScrubVerticalClip-1.f );
// Draw a white line for the unwarped scrub position
FSlateDrawElement::MakeLines(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(),
LinePoints,
DrawEffects,
FLinearColor(1.f, 1.f, 1.f, .5f),
false
);
LinePoints[0] = FVector2f( WarpedScrubPixelX, UnwarpedScrubVerticalClip );
LinePoints[1] = FVector2f( WarpedScrubPixelX, AllottedGeometry.Size.Y );
// Draw a line for the warped scrub position
FSlateDrawElement::MakeLines(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(),
LinePoints,
DrawEffects,
TimeWarpColor,
false
);
// Optional cvar for drawing the dashed line
if (GSequencerShowTimeWarpScrubberLink)
{
const float StartLine = WarpedScrubPixelX < UnwarpedScrubPixelX ? WarpedScrubPixelX : UnwarpedScrubPixelX;
const float EndLine = WarpedScrubPixelX < UnwarpedScrubPixelX ? UnwarpedScrubPixelX : WarpedScrubPixelX;
const float HalfPos = (EndLine + StartLine)*.5f;
// Draw a dashed line to connect them
LinePoints[0] = FVector2f( StartLine, UnwarpedScrubVerticalClip-1.f );
LinePoints[1] = FVector2f( FMath::Max(HalfPos - 10.f, StartLine), UnwarpedScrubVerticalClip-1.f );
FSlateDrawElement::MakeDashedLines(
OutDrawElements,
LayerId++,
AllottedGeometry.ToPaintGeometry(),
CopyTemp(LinePoints),
DrawEffects,
FColor(212, 147, 20),
2.f,
5.f,
StartLine - OriginPixelX
);
LinePoints[0] = FVector2f( FMath::Min(HalfPos + 10.f, EndLine), UnwarpedScrubVerticalClip-1.f );
LinePoints[1] = FVector2f( EndLine, UnwarpedScrubVerticalClip-1.f );
FSlateDrawElement::MakeDashedLines(
OutDrawElements,
LayerId++,
AllottedGeometry.ToPaintGeometry(),
CopyTemp(LinePoints),
DrawEffects,
FColor(212, 147, 20),
2.f,
5.f,
StartLine - OriginPixelX
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(
FVector2f(12.f, 12.f),
FSlateLayoutTransform(FVector2f( HalfPos-6.f, UnwarpedScrubVerticalClip-6.f ))
),
FAppStyle::GetBrush( TEXT( "Sequencer.Tracks.TimeWarp" ) ),
DrawEffects,
TimeWarpColor.CopyWithNewOpacity(0.75f)
);
}
}
}
return LayerId;
}
void FSequencerTimeSliderController::SetPlaybackStatus(ETimeSliderPlaybackStatus InStatus)
{
using namespace UE::Sequencer;
if (!WeakSequencer.IsValid())
{
return;
}
switch (InStatus)
{
case ETimeSliderPlaybackStatus::Jumping:
{
WeakSequencer.Pin()->SetPlaybackStatus(EMovieScenePlayerStatus::Jumping);
break;
}
case ETimeSliderPlaybackStatus::Paused:
{
WeakSequencer.Pin()->SetPlaybackStatus(EMovieScenePlayerStatus::Paused);
break;
}
case ETimeSliderPlaybackStatus::Playing:
{
WeakSequencer.Pin()->SetPlaybackStatus(EMovieScenePlayerStatus::Playing);
break;
}
case ETimeSliderPlaybackStatus::Scrubbing:
{
WeakSequencer.Pin()->SetPlaybackStatus(EMovieScenePlayerStatus::Scrubbing);
break;
}
case ETimeSliderPlaybackStatus::Stepping:
{
WeakSequencer.Pin()->SetPlaybackStatus(EMovieScenePlayerStatus::Stepping);
break;
}
default:
case ETimeSliderPlaybackStatus::Stopped:
{
WeakSequencer.Pin()->SetPlaybackStatus(EMovieScenePlayerStatus::Stopped);
break;
}
}
}
ETimeSliderPlaybackStatus FSequencerTimeSliderController::GetPlaybackStatus() const
{
using namespace UE::Sequencer;
if (!WeakSequencer.IsValid())
{
return ETimeSliderPlaybackStatus::Stopped;
}
EMovieScenePlayerStatus::Type Status = WeakSequencer.Pin()->GetPlaybackStatus();
switch (Status)
{
case EMovieScenePlayerStatus::Jumping:
{
return ETimeSliderPlaybackStatus::Jumping;
}
case EMovieScenePlayerStatus::Paused:
{
return ETimeSliderPlaybackStatus::Paused;
}
case EMovieScenePlayerStatus::Playing:
{
return ETimeSliderPlaybackStatus::Playing;
}
case EMovieScenePlayerStatus::Scrubbing:
{
return ETimeSliderPlaybackStatus::Scrubbing;
}
case EMovieScenePlayerStatus::Stepping:
{
return ETimeSliderPlaybackStatus::Stepping;
}
case EMovieScenePlayerStatus::Stopped:
{
return ETimeSliderPlaybackStatus::Stopped;
}
}
return ETimeSliderPlaybackStatus::Stopped;
}
TSharedRef<SWidget> FSequencerTimeSliderController::OpenSetPlaybackRangeMenu(const FGeometry& MyGeometry, const FPointerEvent& MouseEvent)
{
using namespace UE::Sequencer;
class SMarkedFramePropertyWidget : public SCompoundWidget, public FNotifyHook
{
public:
UMovieScene* MovieSceneToModify;
TSharedPtr<IStructureDetailsView> DetailsView;
TWeakPtr<FSequencer> WeakSequencer;
SLATE_BEGIN_ARGS(SMarkedFramePropertyWidget){}
SLATE_END_ARGS()
void Construct(const FArguments& InArgs, UMovieScene* InMovieScene, int32 InMarkedFrameIndex, TWeakPtr<FSequencer> InWeakSequencer)
{
MovieSceneToModify = InMovieScene;
WeakSequencer = InWeakSequencer;
FPropertyEditorModule& PropertyEditorModule = FModuleManager::GetModuleChecked<FPropertyEditorModule>("PropertyEditor");
FDetailsViewArgs DetailsViewArgs;
DetailsViewArgs.bAllowSearch = false;
DetailsViewArgs.bShowScrollBar = false;
DetailsViewArgs.NameAreaSettings = FDetailsViewArgs::HideNameArea;
DetailsViewArgs.NotifyHook = this;
FStructureDetailsViewArgs StructureDetailsViewArgs;
StructureDetailsViewArgs.bShowObjects = true;
StructureDetailsViewArgs.bShowAssets = true;
StructureDetailsViewArgs.bShowClasses = true;
StructureDetailsViewArgs.bShowInterfaces = true;
TSharedPtr<FStructOnScope> StructOnScope = MakeShared<FStructOnScope>(FMovieSceneMarkedFrame::StaticStruct(), (uint8 *)&InMovieScene->GetMarkedFrames()[InMarkedFrameIndex]);
DetailsView = PropertyEditorModule.CreateStructureDetailView(DetailsViewArgs, StructureDetailsViewArgs, nullptr);
DetailsView->GetDetailsView()->RegisterInstancedCustomPropertyTypeLayout("FrameNumber",
FOnGetPropertyTypeCustomizationInstance::CreateSP(WeakSequencer.Pin().ToSharedRef(), &FSequencer::MakeFrameNumberDetailsCustomization));
DetailsView->SetStructureData(StructOnScope);
ChildSlot
[
DetailsView->GetWidget().ToSharedRef()
];
}
virtual void NotifyPreChange( FProperty* PropertyAboutToChange ) override
{
MovieSceneToModify->Modify();
}
virtual void NotifyPreChange( class FEditPropertyChain* PropertyAboutToChange ) override
{
MovieSceneToModify->Modify();
}
};
static const FName MenuName("Sequencer.TimelineMenu");
if (!UToolMenus::Get()->IsMenuRegistered(MenuName))
{
UToolMenu* TimelineMenu = UToolMenus::Get()->RegisterMenu(MenuName, NAME_None, EMultiBoxType::Menu);
TimelineMenu->bSearchable = false;
TimelineMenu->bShouldCloseWindowAfterMenuSelection = true;
TimelineMenu->AddDynamicSection(NAME_None, FNewToolMenuDelegate::CreateLambda([](UToolMenu* const InMenu)
{
USequencerTimeSliderControllerMenuContext* Context = InMenu->FindContext<USequencerTimeSliderControllerMenuContext>();
if (!Context)
{
return;
}
TSharedPtr<FSequencerTimeSliderController> TimeSliderController = Context->WeakTimeSliderController.Pin();
if (!TimeSliderController.IsValid())
{
return;
}
TSharedPtr<FSequencer> Sequencer = TimeSliderController->WeakSequencer.Pin();
if (!Sequencer.IsValid())
{
return;
}
const bool bReadOnly = Sequencer->IsReadOnly();
const FGeometry& MyGeometry = Context->Geometry;
const FPointerEvent& MouseEvent = Context->PointerEvent;
const FFrameNumber& FrameNumber = Context->FrameNumber;
FScrubRangeToScreen RangeToScreen = FScrubRangeToScreen(TimeSliderController->GetViewRange(), MyGeometry.Size);
const float MousePixel = MyGeometry.AbsoluteToLocal(MouseEvent.GetScreenSpacePosition()).X;
FText CurrentTimeText = FText::FromString(Sequencer->GetNumericTypeInterface()->ToString(FrameNumber.Value));
// SequencerPlaybackRangeMenu
{
FToolMenuSection& Section = InMenu->AddSection("SequencerPlaybackRangeMenu", FText::Format(LOCTEXT("PlaybackRangeTextFormat", "Playback Range ({0}):"), CurrentTimeText));
TRange<FFrameNumber> PlaybackRange = TimeSliderController->TimeSliderArgs.PlaybackRange.Get();
TOptional<TRange<FFrameNumber>> SubSequenceRange = TimeSliderController->TimeSliderArgs.SubSequenceRange.Get();
Section.AddMenuEntry(
"SetPlaybackEnd",
LOCTEXT("SetPlaybackEnd", "Set End Time"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController, FrameNumber]
{
TimeSliderController->SetPlaybackRangeEnd(FrameNumber);
}),
FCanExecuteAction::CreateLambda([TimeSliderController, FrameNumber, PlaybackRange]
{
return !TimeSliderController->TimeSliderArgs.IsPlaybackRangeLocked.Get() && FrameNumber >= UE::MovieScene::DiscreteInclusiveLower(PlaybackRange);
})
)
);
Section.AddMenuEntry(
"ConformToSubsequenceRange",
LOCTEXT("ConformToSubsequenceRange", "Conform to Range"),
LOCTEXT("ConformToSubsequenceRangeTooltip", "Conform the start and end time to the extents of the subsequence range"),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController, SubSequenceRange]
{
TimeSliderController->SetPlaybackRangeStart(SubSequenceRange.GetValue().GetLowerBoundValue());
TimeSliderController->SetPlaybackRangeEnd(SubSequenceRange.GetValue().GetUpperBoundValue());
}),
FCanExecuteAction::CreateLambda([TimeSliderController, SubSequenceRange]
{
return !TimeSliderController->TimeSliderArgs.IsPlaybackRangeLocked.Get() && SubSequenceRange.IsSet();
})
)
);
Section.AddMenuEntry(
"ToggleLocked",
LOCTEXT("ToggleLocked", "Locked"),
LOCTEXT("ToggleLockedTooltip", "Lock/Unlock the playback range"),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController]
{
TimeSliderController->TimeSliderArgs.OnTogglePlaybackRangeLocked.ExecuteIfBound();
}),
FCanExecuteAction::CreateLambda([bReadOnly]{ return !bReadOnly; }),
FIsActionChecked::CreateLambda([TimeSliderController]
{
return TimeSliderController->TimeSliderArgs.IsPlaybackRangeLocked.Get();
})
),
EUserInterfaceActionType::ToggleButton
);
}
// SequencerPlaybackRangeMenu
{
TRange<FFrameNumber> SelectionRange = TimeSliderController->TimeSliderArgs.SelectionRange.Get();
FToolMenuSection& Section = InMenu->AddSection("SequencerSelectionRangeMenu", FText::Format(LOCTEXT("SelectionRangeTextFormat", "Playback Range ({0}):"), CurrentTimeText));
Section.AddMenuEntry(
"SetSelectionStart",
LOCTEXT("SetSelectionStart", "Set Selection Start"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController, FrameNumber]
{
TimeSliderController->SetSelectionRangeStart(FrameNumber);
}),
FCanExecuteAction::CreateLambda([SelectionRange, FrameNumber]
{
return SelectionRange.IsEmpty() || FrameNumber < UE::MovieScene::DiscreteExclusiveUpper(SelectionRange);
})
)
);
Section.AddMenuEntry(
"SetSelectionEnd",
LOCTEXT("SetSelectionEnd", "Set Selection End"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController, FrameNumber]
{
TimeSliderController->SetSelectionRangeEnd(FrameNumber);
}),
FCanExecuteAction::CreateLambda([SelectionRange, FrameNumber]
{
return SelectionRange.IsEmpty() || FrameNumber >= UE::MovieScene::DiscreteInclusiveLower(SelectionRange);
})
)
);
Section.AddMenuEntry(
"ClearSelectionRange",
LOCTEXT("ClearSelectionRange", "Clear Selection Range"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController]
{
TimeSliderController->TimeSliderArgs.OnSelectionRangeChanged.ExecuteIfBound(TRange<FFrameNumber>::Empty());
}),
FCanExecuteAction::CreateLambda([SelectionRange]
{
return !SelectionRange.IsEmpty();
})
)
);
}
// SequencerParentChainMenu
{
UMovieSceneCompiledDataManager* CompiledDataManager = Sequencer->GetEvaluationTemplate().GetCompiledDataManager();
const FMovieSceneSequenceHierarchy* Hierarchy = CompiledDataManager->FindHierarchy(Sequencer->GetEvaluationTemplate().GetCompiledDataID());
if (Hierarchy)
{
FToolMenuSection& Section = InMenu->AddSection("SequencerParentChainMenu");
TArray<FMovieSceneSequenceID> ParentChain = TimeSliderController->TimeSliderArgs.ScrubPositionParentChain.Get();
for (FMovieSceneSequenceID ParentID : ParentChain)
{
FText ParentText = Sequencer->GetRootMovieSceneSequence()->GetDisplayName();
for (const TTuple<FMovieSceneSequenceID, FMovieSceneSubSequenceData>& Pair : Hierarchy->AllSubSequenceData())
{
if (Pair.Key == ParentID && Pair.Value.GetSequence())
{
ParentText = Pair.Value.GetSequence()->GetDisplayName();
break;
}
}
Section.AddMenuEntry(
"DisplayTimeSpace",
ParentText,
FText::Format(LOCTEXT("DisplayTimeSpace", "Display time in the space of {0}"), ParentText),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController, ParentID]
{
TimeSliderController->TimeSliderArgs.OnScrubPositionParentChanged.ExecuteIfBound(ParentID);
}),
FCanExecuteAction(),
FIsActionChecked::CreateLambda([TimeSliderController, ParentID]
{
return TimeSliderController->TimeSliderArgs.ScrubPositionParent.Get() == MovieSceneSequenceID::Invalid
? ParentID == TimeSliderController->TimeSliderArgs.ScrubPositionParentChain.Get().Last()
: TimeSliderController->TimeSliderArgs.ScrubPositionParent.Get() == ParentID;
})
),
EUserInterfaceActionType::RadioButton
);
}
}
}
// SequencerMarkMenu
{
FToolMenuSection& Section = InMenu->AddSection("SequencerMarkMenu", FText::Format(LOCTEXT("MarkTextFormat", "Mark ({0}):"), CurrentTimeText));
UMovieScene* MovieScene = Sequencer->GetFocusedMovieSceneSequence()->GetMovieScene();
bool bHasMarks = MovieScene->GetMarkedFrames().Num() > 0;
int32 MarkedIndex = INDEX_NONE;
const bool bTestLabelBox = true;
TimeSliderController->HitTestMark(MyGeometry, RangeToScreen, MousePixel, bTestLabelBox, &MarkedIndex);
FSequencerSelection& SequencerSelection = Sequencer->GetSelection();
SequencerSelection.Empty();
if (MarkedIndex != INDEX_NONE)
{
SequencerSelection.MarkedFrames.Empty();
SequencerSelection.MarkedFrames.Select(MarkedIndex);
const bool bLockedMarkedFrames = TimeSliderController->TimeSliderArgs.AreMarkedFramesLocked.Get();
TSharedRef<SMarkedFramePropertyWidget> Widget = SNew(SMarkedFramePropertyWidget, MovieScene, MarkedIndex, Sequencer.ToWeakPtr());
Widget->SetEnabled(!bLockedMarkedFrames);
Section.AddEntry(FToolMenuEntry::InitWidget(NAME_None, Widget, FText::GetEmpty(), false));
}
Section.AddMenuEntry(
"AddMark",
LOCTEXT("AddMark", "Add Mark"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda( [TimeSliderController, FrameNumber]
{
TimeSliderController->AddMarkAtFrame(FrameNumber);
}),
FCanExecuteAction::CreateLambda([TimeSliderController, MarkedIndex]
{
return !TimeSliderController->TimeSliderArgs.AreMarkedFramesLocked.Get() && MarkedIndex == INDEX_NONE;
}))
);
Section.AddMenuEntry(
"DeleteMark",
LOCTEXT("DeleteMark", "Delete Mark"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController, MarkedIndex]
{
TimeSliderController->DeleteMarkAtIndex(MarkedIndex);
}),
FCanExecuteAction::CreateLambda([TimeSliderController, MarkedIndex]
{
return !TimeSliderController->TimeSliderArgs.AreMarkedFramesLocked.Get() && MarkedIndex != INDEX_NONE;
}))
);
Section.AddMenuEntry(
"DeleteAllMarks",
LOCTEXT("DeleteAllMarks", "Delete All Marks"),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController]
{
TimeSliderController->DeleteAllMarks();
}),
FCanExecuteAction::CreateLambda([TimeSliderController, bHasMarks]
{
return !TimeSliderController->TimeSliderArgs.AreMarkedFramesLocked.Get() && bHasMarks;
}))
);
Section.AddMenuEntry(
"ToggleLockedMarks",
LOCTEXT("ToggleLockedMarks", "Locked"),
LOCTEXT("ToggleLockedMarksTooltip", "Lock/Unlock all marked frames"),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([TimeSliderController]
{
TimeSliderController->TimeSliderArgs.OnToggleMarkedFramesLocked.ExecuteIfBound();
}),
FCanExecuteAction::CreateLambda([bReadOnly]{ return !bReadOnly; }),
FIsActionChecked::CreateLambda([TimeSliderController]
{
return TimeSliderController->TimeSliderArgs.AreMarkedFramesLocked.Get();
})),
EUserInterfaceActionType::ToggleButton
);
}
}));
}
USequencerTimeSliderControllerMenuContext* TimeSliderContext = NewObject<USequencerTimeSliderControllerMenuContext>();
TimeSliderContext->WeakTimeSliderController = AsWeak();
TimeSliderContext->Geometry = MyGeometry;
TimeSliderContext->PointerEvent = MouseEvent;
TimeSliderContext->FrameNumber = ComputeFrameTimeFromMouse(MyGeometry, MouseEvent.GetScreenSpacePosition(), FScrubRangeToScreen(GetViewRange(), MyGeometry.Size)).FrameNumber;
USequencerToolMenuContext* SequencerContext = NewObject<USequencerToolMenuContext>();
SequencerContext->WeakSequencer = WeakSequencer;
FToolMenuContext MenuContext;
MenuContext.AddObject(TimeSliderContext);
MenuContext.AddObject(SequencerContext);
return UToolMenus::Get()->GenerateWidget(MenuName, MenuContext);
}
void FSequencerTimeSliderController::ClampViewRange(double& NewRangeMin, double& NewRangeMax)
{
bool bNeedsClampSet = false;
double NewClampRangeMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
if ( NewRangeMin < TimeSliderArgs.ClampRange.Get().GetLowerBoundValue() )
{
NewClampRangeMin = NewRangeMin;
bNeedsClampSet = true;
}
double NewClampRangeMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
if ( NewRangeMax > TimeSliderArgs.ClampRange.Get().GetUpperBoundValue() )
{
NewClampRangeMax = NewRangeMax;
bNeedsClampSet = true;
}
if (bNeedsClampSet)
{
SetClampRange(NewClampRangeMin, NewClampRangeMax);
}
}
void FSequencerTimeSliderController::SetViewRange( double NewRangeMin, double NewRangeMax, EViewRangeInterpolation Interpolation )
{
// Clamp to a minimum size to avoid zero-sized or negative visible ranges
double MinVisibleTimeRange = FFrameNumber(1) / GetTickResolution();
TRange<double> ExistingViewRange = GetViewRange();
TRange<double> ExistingClampRange = TimeSliderArgs.ClampRange.Get();
if (NewRangeMax == ExistingViewRange.GetUpperBoundValue())
{
if (NewRangeMin > NewRangeMax - MinVisibleTimeRange)
{
NewRangeMin = NewRangeMax - MinVisibleTimeRange;
}
}
else if (NewRangeMax < NewRangeMin + MinVisibleTimeRange)
{
NewRangeMax = NewRangeMin + MinVisibleTimeRange;
}
// Clamp to the clamp range
const TRange<double> NewRange = TRange<double>::Intersection(TRange<double>(NewRangeMin, NewRangeMax), ExistingClampRange);
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound( NewRange, Interpolation );
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves (no animation)
TimeSliderArgs.ViewRange.Set( NewRange );
}
}
void FSequencerTimeSliderController::SetClampRange( double NewRangeMin, double NewRangeMax )
{
const TRange<double> NewRange(NewRangeMin, NewRangeMax);
TimeSliderArgs.OnClampRangeChanged.ExecuteIfBound(NewRange);
if( !TimeSliderArgs.ClampRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves (no animation)
TimeSliderArgs.ClampRange.Set(NewRange);
}
}
void FSequencerTimeSliderController::SetPlayRange( FFrameNumber RangeStart, int32 RangeDuration )
{
check(RangeDuration >= 0);
const TRange<FFrameNumber> NewRange(RangeStart, RangeStart + RangeDuration);
TimeSliderArgs.OnPlaybackRangeChanged.ExecuteIfBound(NewRange);
if( !TimeSliderArgs.PlaybackRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves (no animation)
TimeSliderArgs.PlaybackRange.Set(NewRange);
}
}
void FSequencerTimeSliderController::SetSelectionRange(const TRange<FFrameNumber>& NewRange)
{
TimeSliderArgs.OnSelectionRangeChanged.ExecuteIfBound(NewRange);
}
bool FSequencerTimeSliderController::ZoomByDelta( float InDelta, float MousePositionFraction )
{
TRange<double> LocalViewRange = GetViewRange().GetAnimationTarget();
double LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
double LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const double OutputViewSize = LocalViewRangeMax - LocalViewRangeMin;
const double OutputChange = OutputViewSize * InDelta;
double NewViewOutputMin = LocalViewRangeMin - (OutputChange * MousePositionFraction);
double NewViewOutputMax = LocalViewRangeMax + (OutputChange * (1.f - MousePositionFraction));
if( NewViewOutputMin < NewViewOutputMax )
{
ClampViewRange(NewViewOutputMin, NewViewOutputMax);
SetViewRange(NewViewOutputMin, NewViewOutputMax, EViewRangeInterpolation::Animated);
return true;
}
return false;
}
void FSequencerTimeSliderController::PanByDelta( float InDelta )
{
TRange<double> LocalViewRange = GetViewRange().GetAnimationTarget();
double CurrentMin = LocalViewRange.GetLowerBoundValue();
double CurrentMax = LocalViewRange.GetUpperBoundValue();
// Adjust the delta to be a percentage of the current range
InDelta *= ScrubConstants::ScrollPanFraction * (CurrentMax - CurrentMin);
double NewViewOutputMin = CurrentMin + InDelta;
double NewViewOutputMax = CurrentMax + InDelta;
ClampViewRange(NewViewOutputMin, NewViewOutputMax);
SetViewRange(NewViewOutputMin, NewViewOutputMax, EViewRangeInterpolation::Animated);
}
bool FSequencerTimeSliderController::HitTestRangeStart(const FScrubRangeToScreen& RangeToScreen, const TRange<double>& Range, float HitPixel) const
{
static float BrushSizeInStateUnits = 6.f, DragToleranceSlateUnits = 2.f, MouseTolerance = 2.f;
const float RangeStartPixel = RangeToScreen.InputToLocalX(Range.GetLowerBoundValue());
// Hit test against the brush region to the right of the playback start position, +/- DragToleranceSlateUnits
return HitPixel >= RangeStartPixel - MouseTolerance - DragToleranceSlateUnits &&
HitPixel <= RangeStartPixel + MouseTolerance + BrushSizeInStateUnits + DragToleranceSlateUnits;
}
bool FSequencerTimeSliderController::HitTestRangeEnd(const FScrubRangeToScreen& RangeToScreen, const TRange<double>& Range, float HitPixel) const
{
static float BrushSizeInStateUnits = 6.f, DragToleranceSlateUnits = 2.f, MouseTolerance = 2.f;
const float RangeEndPixel = RangeToScreen.InputToLocalX(Range.GetUpperBoundValue());
// Hit test against the brush region to the left of the playback end position, +/- DragToleranceSlateUnits
return HitPixel >= RangeEndPixel - MouseTolerance - BrushSizeInStateUnits - DragToleranceSlateUnits &&
HitPixel <= RangeEndPixel + MouseTolerance + DragToleranceSlateUnits;
}
bool FSequencerTimeSliderController::HitTestMark(const FGeometry& AllottedGeometry, const FScrubRangeToScreen& RangeToScreen, float HitPixel, bool bTestLabelBox, int32* OutMarkIndex, FFrameNumber* OutMarkFrameNumber) const
{
if (OutMarkIndex)
{
*OutMarkIndex = INDEX_NONE;
}
if (OutMarkFrameNumber)
{
*OutMarkFrameNumber = 0;
}
if (!WeakSequencer.Pin()->GetSequencerSettings()->GetShowMarkedFrames())
{
return false;
}
const TArray<FMovieSceneMarkedFrame> & MarkedFrames = TimeSliderArgs.MarkedFrames.Get();
if (MarkedFrames.Num() < 1)
{
return false;
}
static float BrushSizeInStateUnits = 3.f, DragToleranceSlateUnits = 2.f, MouseTolerance = 2.f;
for (int32 MarkIndex = 0; MarkIndex < MarkedFrames.Num(); ++MarkIndex)
{
double Seconds = MarkedFrames[MarkIndex].FrameNumber / GetTickResolution();
float MarkPixel = RangeToScreen.InputToLocalX(Seconds);
// Hit test against the brush region to the left/right of the mark position, +/- DragToleranceSlateUnits
if ((HitPixel >= MarkPixel - MouseTolerance - DragToleranceSlateUnits &&
HitPixel <= MarkPixel + MouseTolerance + BrushSizeInStateUnits + DragToleranceSlateUnits) ||
(HitPixel >= MarkPixel - MouseTolerance - BrushSizeInStateUnits - DragToleranceSlateUnits &&
HitPixel <= MarkPixel + MouseTolerance + DragToleranceSlateUnits))
{
if (OutMarkIndex)
{
*OutMarkIndex = MarkIndex;
}
if (OutMarkFrameNumber)
{
*OutMarkFrameNumber = MarkedFrames[MarkIndex].FrameNumber;
}
return true;
}
// Hit test against the label box, which is the text size offset and grown by the margin.
if (bTestLabelBox)
{
FVector2D TextPosition, TextSize;
bool bDrawLeft;
GetMarkLabelGeometry(AllottedGeometry, RangeToScreen, MarkedFrames[MarkIndex], TextPosition, TextSize, bDrawLeft);
FVector2D TextBoxSize = TextSize + ScrubConstants::MarkLabelBoxMargin + ScrubConstants::MarkLabelBoxWideMargin;
if (HitPixel >= MarkPixel && HitPixel <= MarkPixel + TextBoxSize.X)
{
if (OutMarkIndex)
{
*OutMarkIndex = MarkIndex;
}
if (OutMarkFrameNumber)
{
*OutMarkFrameNumber = MarkedFrames[MarkIndex].FrameNumber;
}
return true;
}
}
}
return false;
}
void FSequencerTimeSliderController::GetMarkLabelGeometry(const FGeometry& AllottedGeometry, const FScrubRangeToScreen& RangeToScreen, const FMovieSceneMarkedFrame& MarkedFrame, FVector2D& OutPosition, FVector2D& OutSize, bool& bIsDrawLeft) const
{
double Seconds = MarkedFrame.FrameNumber / GetTickResolution();
float MarkPixel = RangeToScreen.InputToLocalX(Seconds);
const FString& LabelString = MarkedFrame.Label;
FVector2D TextSize = FontMeasureService->Measure(LabelString, SmallLayoutFont);
// Flip the text position if getting near the end of the view range
bool bDrawLeft = (AllottedGeometry.Size.X - MarkPixel) < (TextSize.X + ScrubConstants::MarkLabelBoxMargin + ScrubConstants::MarkLabelBoxWideMargin);
float TextPosition = bDrawLeft ?
MarkPixel - TextSize.X - ScrubConstants::MarkLabelBoxMargin :
MarkPixel + ScrubConstants::MarkLabelBoxMargin;
OutPosition = FVector2D(TextPosition, 0);
OutSize = TextSize;
bIsDrawLeft = bDrawLeft;
}
FFrameTime FSequencerTimeSliderController::SnapTimeToNearestKey(const FPointerEvent& MouseEvent, const FScrubRangeToScreen& RangeToScreen, float CursorPos, FFrameTime InTime) const
{
using namespace UE::Sequencer;
if (!WeakSequencer.IsValid())
{
return InTime;
}
if (TimeSliderArgs.OnGetNearestKey.IsBound())
{
ENearestKeyOption NearestKeyOption = ENearestKeyOption::NKO_None;
if (WeakSequencer.Pin()->GetSequencerSettings()->GetSnapPlayTimeToKeys() || MouseEvent.IsShiftDown())
{
EnumAddFlags(NearestKeyOption, ENearestKeyOption::NKO_SearchKeys);
}
if (WeakSequencer.Pin()->GetSequencerSettings()->GetSnapPlayTimeToSections() || MouseEvent.IsShiftDown())
{
EnumAddFlags(NearestKeyOption, ENearestKeyOption::NKO_SearchSections);
}
if (WeakSequencer.Pin()->GetSequencerSettings()->GetSnapPlayTimeToMarkers() || MouseEvent.IsShiftDown())
{
EnumAddFlags(NearestKeyOption, ENearestKeyOption::NKO_SearchMarkers);
}
FFrameNumber NearestKey = TimeSliderArgs.OnGetNearestKey.Execute(InTime, NearestKeyOption);
float LocalKeyPos = RangeToScreen.InputToLocalX( NearestKey / GetTickResolution() );
static float MouseTolerance = 20.f;
if (FMath::IsNearlyEqual(LocalKeyPos, CursorPos, MouseTolerance))
{
return NearestKey;
}
}
return InTime;
}
void FSequencerTimeSliderController::SetPlaybackRangeStart(FFrameNumber NewStart)
{
TRange<FFrameNumber> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
NewStart = SnapSequencerTime(NewStart).FrameNumber;
if (NewStart <= UE::MovieScene::DiscreteExclusiveUpper(PlaybackRange))
{
TimeSliderArgs.OnPlaybackRangeChanged.ExecuteIfBound(TRange<FFrameNumber>(NewStart, PlaybackRange.GetUpperBound()));
}
}
void FSequencerTimeSliderController::SetPlaybackRangeEnd(FFrameNumber NewEnd)
{
TRange<FFrameNumber> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
NewEnd = SnapSequencerTime(NewEnd).FrameNumber;
if (NewEnd >= UE::MovieScene::DiscreteInclusiveLower(PlaybackRange))
{
TimeSliderArgs.OnPlaybackRangeChanged.ExecuteIfBound(TRange<FFrameNumber>(PlaybackRange.GetLowerBound(), TRangeBound<FFrameNumber>::Exclusive(NewEnd)));
}
}
void FSequencerTimeSliderController::SetSelectionRangeStart(FFrameNumber NewStart)
{
TRange<FFrameNumber> SelectionRange = TimeSliderArgs.SelectionRange.Get();
NewStart = SnapSequencerTime(NewStart).FrameNumber;
if (SelectionRange.IsEmpty())
{
TimeSliderArgs.OnSelectionRangeChanged.ExecuteIfBound(TRange<FFrameNumber>(NewStart, NewStart + 1));
}
else if (NewStart <= UE::MovieScene::DiscreteExclusiveUpper(SelectionRange))
{
TimeSliderArgs.OnSelectionRangeChanged.ExecuteIfBound(TRange<FFrameNumber>(NewStart, SelectionRange.GetUpperBound()));
}
}
void FSequencerTimeSliderController::SetSelectionRangeEnd(FFrameNumber NewEnd)
{
TRange<FFrameNumber> SelectionRange = TimeSliderArgs.SelectionRange.Get();
NewEnd = SnapSequencerTime(NewEnd).FrameNumber;
if (SelectionRange.IsEmpty())
{
TimeSliderArgs.OnSelectionRangeChanged.ExecuteIfBound(TRange<FFrameNumber>(NewEnd - 1, NewEnd));
}
else if (NewEnd >= UE::MovieScene::DiscreteInclusiveLower(SelectionRange))
{
TimeSliderArgs.OnSelectionRangeChanged.ExecuteIfBound(TRange<FFrameNumber>(SelectionRange.GetLowerBound(), NewEnd));
}
}
void FSequencerTimeSliderController::HandleMarkSelection(int32 InMarkIndex)
{
using namespace UE::Sequencer;
TSharedPtr<FSequencer> Sequencer = WeakSequencer.Pin();
if (!Sequencer->GetSequencerSettings()->GetShowMarkedFrames())
{
return;
}
FSequencerSelection& SequencerSelection = Sequencer->GetSelection();
FModifierKeysState ModifierKeys = FSlateApplication::Get().GetModifierKeys();
const bool bToggleSelection = ModifierKeys.AreModifersDown(EModifierKey::Control);
const bool bAddToSelection = ModifierKeys.AreModifersDown(EModifierKey::Shift);
if (!bToggleSelection && !bAddToSelection)
{
if (!SequencerSelection.MarkedFrames.IsSelected(InMarkIndex))
{
SequencerSelection.Empty();
SequencerSelection.MarkedFrames.Select(InMarkIndex);
}
}
else if (bAddToSelection || !SequencerSelection.MarkedFrames.IsSelected(InMarkIndex))
{
SequencerSelection.MarkedFrames.Select(InMarkIndex);
}
else
{
SequencerSelection.MarkedFrames.Deselect(InMarkIndex);
}
}
void FSequencerTimeSliderController::SetMark(FFrameNumber DiffFrame)
{
for (TMap<int32, FFrameNumber>::TConstIterator It = DragMarkMap.CreateConstIterator(); It; ++It)
{
int32 MarkIndex = It.Key();
FFrameNumber FrameNumber = SnapSequencerTime(It.Value() + DiffFrame).FrameNumber;
TimeSliderArgs.OnSetMarkedFrame.ExecuteIfBound(MarkIndex, FrameNumber);
}
}
void FSequencerTimeSliderController::AddMarkAtFrame(FFrameNumber FrameNumber)
{
TimeSliderArgs.OnAddMarkedFrame.ExecuteIfBound(FrameNumber);
}
void FSequencerTimeSliderController::DeleteMarkAtIndex(int32 InMarkIndex)
{
TimeSliderArgs.OnDeleteMarkedFrame.ExecuteIfBound(InMarkIndex);
}
void FSequencerTimeSliderController::DeleteAllMarks()
{
TimeSliderArgs.OnDeleteAllMarkedFrames.ExecuteIfBound();
}
#undef LOCTEXT_NAMESPACE