分割与删除

Source/Cut5/Cut5.Build.cs

@@ -13,7 +13,7 @@ public class Cut5 : ModuleRules
 		PCHUsage = PCHUsageMode.UseExplicitOrSharedPCHs;
 
 		PublicDependencyModuleNames.AddRange(new string[] { "Core", "CoreUObject", "Engine", "InputCore" , "FFMPEGMedia", "FFMPEGMediaFactory"});
-		PrivateDependencyModuleNames.AddRange(new string[] {"RuntimeAudioImporter", "FFMPEGMedia", "FFMPEGMediaFactory", "Slate", "SlateCore", "UMG", "OpenCV", "DesktopPlatform", "PortAudioPlugin"});
+		PrivateDependencyModuleNames.AddRange(new string[] {"RuntimeAudioImporter", "FFMPEGMedia", "FFMPEGMediaFactory", "Slate", "SlateCore", "UMG", "OpenCV", "DesktopPlatform", "PortAudioPlugin", "EditorStyle"});
 
 	}
 }

Source/Cut5/WidgetInterface.h

@@ -25,4 +25,9 @@ public:
 
 	virtual void UpdateTimelineLength() {};
 	virtual void Seek(int32 Frame) {};
+	virtual void RemoveClip(const FGuid& Guid) {};
+	virtual void BreakClip(const FGuid& Guid) {};
+
+	FGuid SelectedClipGUID;
+	int32 SelectedClipFrame;
 };

Source/Cut5/Widgets/Commands/TimelineClipCommands.cpp

@@ -0,0 +1,9 @@
+#include "TimelineClipCommands.h"
+
+#define LOCTEXT_NAMESPACE "FTimelineClipCommands"
+void FTimelineClipCommands::RegisterCommands()
+{
+	UI_COMMAND(Remove, "移除", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
+	UI_COMMAND(Break, "分割", "Executes My TimelineClipCommands", EUserInterfaceActionType::Button, FInputChord());
+}
+#undef LOCTEXT_NAMESPACE

Source/Cut5/Widgets/Commands/TimelineClipCommands.h

@@ -0,0 +1,22 @@
+
+
+#pragma once
+#include "CoreMinimal.h"
+#include "Framework/Commands/Commands.h"
+
+class FTimelineClipCommands : public TCommands<FTimelineClipCommands>
+{
+public:
+
+	FTimelineClipCommands()
+		: TCommands<FTimelineClipCommands>(TEXT("FTimelineClipCommands"), NSLOCTEXT("Contexts", "FTimelineClipCommands", "FTimelineClipCommands"), NAME_None, FAppStyle::GetAppStyleSetName())
+	{
+		// 这里可以设置你的命令的默认键盘快捷键
+	}
+
+	// TCommands<> 接口
+	virtual void RegisterCommands() override;
+
+	TSharedPtr<FUICommandInfo> Remove;
+	TSharedPtr<FUICommandInfo> Break;
+};

Source/Cut5/Widgets/DefineGlobal.h

@@ -99,7 +99,7 @@ struct CUT5_API FClipData
 
 	int32 GetClipStartFrame() const { return ClipStartTime / FGlobalData::DefaultTimeTickSpace; };
 	int32 GetClipEndFrame() const { return ClipEndTime / FGlobalData::DefaultTimeTickSpace; };
-
+	int32 GetClipRelativeEndFrame() const { return GetClipEndFrame() - GetClipStartFrame(); }
 
 	
 	enum class ECropMethod
@@ -112,15 +112,16 @@ struct CUT5_API FClipData
 		if (CropMethod == ECropMethod::FromFront)
 		{
 			ClipStartTime += CropFrame * FGlobalData::DefaultTimeTickSpace;
-			if (ClipType == ETrackType::VideoTrack)
+			if (ClipType == ETrackType::VideoTrack || ClipType == ETrackType::AudioTrack)
 			{
 				VideoStartFrame += CropFrame;
 			}
+			
 		}
 		else
 		{
 			ClipEndTime -= CropFrame * FGlobalData::DefaultTimeTickSpace;
-			if (ClipType == ETrackType::VideoTrack)
+			if (ClipType == ETrackType::VideoTrack || ClipType == ETrackType::AudioTrack)
 			{
 				VideoEndFrame -= CropFrame;
 			}

Source/Cut5/Widgets/FX/SEffectCardsPanel.cpp

@@ -21,10 +21,24 @@ void SEffectCardsPanel::Construct(const FArguments& InArgs)
 	MainInterface = InArgs._MainInterface;
 	ChildSlot
 	[
-		SNew(SBox)
+		SNew(SOverlay)
+		+ SOverlay::Slot()
+		.HAlign(HAlign_Fill)
+		.VAlign(VAlign_Fill)
 		[
-			SAssignNew(ScrollBox, SScrollBox)
+			SNew(SImage)
+			.Image(FUtils::GetBrushFromImage(FUtils::GetResourcesPath(TEXT("EffectPanel.png")), FVector2D(0.0, 0.0)))
 		]
+		+ SOverlay::Slot()
+		.HAlign(HAlign_Fill)
+		.VAlign(VAlign_Fill)
+		[
+			SNew(SBox)
+			[
+				SAssignNew(ScrollBox, SScrollBox)
+			]
+		]
+
 	];
 	FEffectCardGroup DedicatedGroup;
 	DedicatedGroup.bIsDedicated = true;

Source/Cut5/Widgets/STimelineClip.cpp

@@ -5,10 +5,13 @@
 #include "AudioDevice.h"
 #include "RuntimeAudioImporterLibrary.h"
 #include "SlateOptMacros.h"
+#include "Commands/TimelineClipCommands.h"
 #include "Cut5/WidgetInterface.h"
 #include "Cut5/Utils/Utils.h"
 #include "Engine/Engine.h"
 #include "Engine/Texture2D.h"
+#include "Slate/Private/Framework/Application/Menu.h"
+
 extern  "C"
 {
 #include "libavformat/avformat.h"
@@ -20,6 +23,21 @@ BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION
 
 FReply STimelineClip::OnBorderMouseButtonDown(const FGeometry& Geometry, const FPointerEvent& PointerEvent)
 {
+	TSharedPtr<SWidget> MenuContent;
+	if (PointerEvent.IsMouseButtonDown(EKeys::RightMouseButton))
+	{
+		Body->SelectedClipGUID = ClipData->ClipGuid;
+		Body->SelectedClipFrame = (Geometry.AbsoluteToLocal(PointerEvent.GetScreenSpacePosition()).X) / FGlobalData::DefaultTimeTickSpace;
+		FMenuBuilder MenuBuilder(true, CommandList);
+		MenuBuilder.AddMenuEntry(FTimelineClipCommands::Get().Remove);
+		MenuBuilder.AddMenuEntry(FTimelineClipCommands::Get().Break);
+		MenuContent = MenuBuilder.MakeWidget();
+		FSlateApplication::Get().PushMenu(AsShared(), FWidgetPath(), MenuContent.ToSharedRef(), FSlateApplication::Get().GetCursorPos(), FPopupTransitionEffect::ContextMenu);
+		return FReply::Handled();
+	}
+	
+
+	
 	const FVector2D LocalPos = Geometry.AbsoluteToLocal(PointerEvent.GetScreenSpacePosition());
 	// GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Blue, LocalPos.ToString());
 	if (LocalPos.X <= 10)
@@ -43,6 +61,7 @@ FReply STimelineClip::OnBorderMouseButtonDown(const FGeometry& Geometry, const F
 
 void STimelineClip::Construct(const FArguments& InArgs)
 {
+	CommandList = InArgs._CommandList;
 	ClipData = InArgs._InClipData;
 	MainWidgetInterface = InArgs._MainWidgetInterface;
 	Body = InArgs._Body;

Source/Cut5/Widgets/STimelineClip.h

@@ -32,6 +32,7 @@ public:
 	SLATE_ARGUMENT(FClipData*, InClipData)
 	SLATE_ARGUMENT(ICutMainWidgetInterface*, MainWidgetInterface)
 	SLATE_ARGUMENT(TSharedPtr<IWidgetInterface>, Body)
+	SLATE_ARGUMENT(TSharedPtr<FUICommandList>, CommandList)
 	SLATE_END_ARGS()
 
 	FReply OnBorderMouseButtonDown(const FGeometry& Geometry, const FPointerEvent& PointerEvent);
@@ -50,5 +51,9 @@ public:
 
 	FDecodedAudioStruct DecodedAudioStruct;
 	PaStream* Stream = nullptr;
+
+
+	TSharedPtr<FUICommandList> CommandList;
+	
 };
 

Source/Cut5/Widgets/STrackBody.cpp

@@ -4,7 +4,9 @@
 #include "STrackBody.h"
 
 #include "SlateOptMacros.h"
+#include "Commands/TimelineClipCommands.h"
 #include "Cut5/Utils/OpencvUtils.h"
+#include "Cut5/Utils/Utils.h"
 #include "Engine/Engine.h"
 #include "Widgets/Layout/SConstraintCanvas.h"
 
@@ -12,6 +14,17 @@ BEGIN_SLATE_FUNCTION_BUILD_OPTIMIZATION
 
 void STrackBody::Construct(const FArguments& InArgs)
 {
+	FTimelineClipCommands::Register();
+	CommandList = MakeShared<FUICommandList>();
+	CommandList->MapAction(FTimelineClipCommands::Get().Remove, FExecuteAction::CreateLambda([this]()
+	{
+		RemoveClip(SelectedClipGUID);
+	}), FCanExecuteAction());
+	CommandList->MapAction(FTimelineClipCommands::Get().Break, FExecuteAction::CreateLambda([this]()
+	{
+		BreakClip(SelectedClipGUID);
+	}), FCanExecuteAction());
+	
 	MainWidgetInterface = InArgs._MainWidgetInterface;
 	TrackHead = InArgs._TrackHead;
 	ChildSlot
@@ -26,13 +39,21 @@ void STrackBody::Construct(const FArguments& InArgs)
 			.Offset(FMargin(0, 0, 0, 0))
 			.Anchors(FAnchors(0, 0, 1, 1))
 			[
-				SNew(SBorder)
+				SNew(SOverlay)
+				+ SOverlay::Slot()
 				.HAlign(HAlign_Fill)
 				.VAlign(VAlign_Fill)
-				.BorderBackgroundColor(FLinearColor(0.1f, 0.15f, 0.2f, 1.0f))
 				[
-					SAssignNew(Overlay, SOverlay)
+					SNew(SBorder)
+					.HAlign(HAlign_Fill)
+					.VAlign(VAlign_Fill)
+					.BorderBackgroundColor(FLinearColor(0.1f, 0.15f, 0.2f, 1.0f))
+					.BorderImage(FUtils::GetBrushFromImage(*FUtils::GetResourcesPath(TEXT("TrackBar.png")), FVector2D(0.0, 0.0)))
+					[
+						SAssignNew(Overlay, SOverlay)
+					]
 				]
+
 			]
 		]
 	];
@@ -51,7 +72,7 @@ void STrackBody::CallRender()
 			TrackHead->CutTimeline->UpdateTimelineLength();
 		}
 		TSharedPtr<STimelineClip> TimelineClip;
-		TimelineClip = SNew(STimelineClip).InClipData(&TempClipData).MainWidgetInterface(MainWidgetInterface).Body(SharedThis(this));
+		TimelineClip = SNew(STimelineClip).InClipData(&TempClipData).MainWidgetInterface(MainWidgetInterface).Body(SharedThis(this)).CommandList(CommandList);
 		
 		Overlay->AddSlot()
 		.HAlign(HAlign_Left)
@@ -266,6 +287,40 @@ void STrackBody::OnDragLeave(const FDragDropEvent& DragDropEvent)
 	SCompoundWidget::OnDragLeave(DragDropEvent);
 }
 
+void STrackBody::RemoveClip(const FGuid& Guid)
+{
+	for (int32 i = 0; i < SlateClips.Num(); i++)
+	{
+		if (TrackHead->TrackData.ClipData[i].ClipGuid == Guid)
+		{
+			TrackHead->TrackData.ClipData.RemoveAt(i);
+			break;
+		}
+	}
+	CallRender();
+}
+
+void STrackBody::BreakClip(const FGuid& Guid)
+{
+	for (int32 i = 0; i < SlateClips.Num(); i++)
+	{
+		if (TrackHead->TrackData.ClipData[i].ClipGuid == Guid)
+		{
+			FClipData NewClipData = TrackHead->TrackData.ClipData[i];
+			NewClipData.ClipGuid = FGuid::NewGuid();
+
+			const int32 CropFrameRight = TrackHead->TrackData.ClipData[i].GetClipRelativeEndFrame() - SelectedClipFrame;
+			TrackHead->TrackData.ClipData[i].CropClip(FClipData::ECropMethod::FromBack, CropFrameRight);
+			
+			NewClipData.CropClip(FClipData::ECropMethod::FromFront, SelectedClipFrame + 1);
+			TrackHead->TrackData.ClipData.Add(NewClipData);
+
+			GEngine->AddOnScreenDebugMessage(-1, 10.0f, FColor::Emerald, FString::Printf(TEXT("CropFrameLeft %d CropFrameRight %d"), SelectedClipFrame, CropFrameRight));
+		}
+	}
+	CallRender();
+}
+
 void STrackBody::Seek(int32 Frame)
 {
 	for (int32 i = 0; i < SlateClips.Num(); i++)

Source/Cut5/Widgets/STrackBody.h

@@ -28,6 +28,10 @@ public:
 	virtual FReply OnDragOver(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
 	virtual void OnDragEnter(const FGeometry& MyGeometry, const FDragDropEvent& DragDropEvent) override;
 	virtual void OnDragLeave(const FDragDropEvent& DragDropEvent) override;
+
+	virtual void RemoveClip(const FGuid& Guid) override;
+	virtual void BreakClip(const FGuid& Guid) override;
+	
 	TSharedPtr<STrackHead> TrackHead;
 	ICutMainWidgetInterface* MainWidgetInterface;
 	TSharedPtr<SOverlay> Overlay;
@@ -40,4 +44,5 @@ public:
 	};
 	virtual void Seek(int32 Frame) override;
 	
+	TSharedPtr<FUICommandList> CommandList;
 };