156 lines
7 KiB
C
156 lines
7 KiB
C
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//
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// Created by Matty on 2022-01-28.
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//
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#ifndef IMGUI_NEO_SEQUENCER_H
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#define IMGUI_NEO_SEQUENCER_H
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#include "imgui.h"
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#include <vector>
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typedef int ImGuiNeoSequencerFlags;
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typedef int ImGuiNeoSequencerCol;
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typedef int ImGuiNeoTimelineFlags;
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typedef int ImGuiNeoTimelineIsSelectedFlags;
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// Flags for ImGui::BeginNeoSequencer()
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enum ImGuiNeoSequencerFlags_
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{
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ImGuiNeoSequencerFlags_None = 0 ,
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ImGuiNeoSequencerFlags_AllowLengthChanging = 1 << 0, // Allows changing length of sequence
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ImGuiNeoSequencerFlags_EnableSelection = 1 << 1, // Enables selection of keyframes
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ImGuiNeoSequencerFlags_HideZoom = 1 << 2, // Disables zoom bar
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//ImGuiNeoSequencerFlags_PH = 1 << 3, // PLACEHOLDER
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ImGuiNeoSequencerFlags_AlwaysShowHeader = 1 << 4, // Enables overlay header, keeping it visible when scrolling
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// Selection options, only work with enable selection flag
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ImGuiNeoSequencerFlags_Selection_EnableDragging = 1 << 5,
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ImGuiNeoSequencerFlags_Selection_EnableDeletion = 1 << 6,
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};
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// Flags for ImGui::BeginNeoTimeline()
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enum ImGuiNeoTimelineFlags_
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{
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ImGuiNeoTimelineFlags_None = 0 ,
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ImGuiNeoTimelineFlags_AllowFrameChanging = 1 << 0,
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ImGuiNeoTimelineFlags_Group = 1 << 1,
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};
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// Flags for ImGui::IsNeoTimelineSelected()
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enum ImGuiNeoTimelineIsSelectedFlags_
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{
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ImGuiNeoTimelineIsSelectedFlags_None = 0 ,
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ImGuiNeoTimelineIsSelectedFlags_NewlySelected = 1 << 0,
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};
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enum ImGuiNeoSequencerCol_
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{
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ImGuiNeoSequencerCol_Bg,
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ImGuiNeoSequencerCol_TopBarBg,
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ImGuiNeoSequencerCol_SelectedTimeline,
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ImGuiNeoSequencerCol_TimelineBorder,
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ImGuiNeoSequencerCol_TimelinesBg,
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ImGuiNeoSequencerCol_FramePointer,
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ImGuiNeoSequencerCol_FramePointerHovered,
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ImGuiNeoSequencerCol_FramePointerPressed,
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ImGuiNeoSequencerCol_Keyframe,
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ImGuiNeoSequencerCol_KeyframeHovered,
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ImGuiNeoSequencerCol_KeyframePressed,
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ImGuiNeoSequencerCol_KeyframeSelected,
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ImGuiNeoSequencerCol_FramePointerLine,
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ImGuiNeoSequencerCol_ZoomBarBg,
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ImGuiNeoSequencerCol_ZoomBarSlider,
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ImGuiNeoSequencerCol_ZoomBarSliderHovered,
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ImGuiNeoSequencerCol_ZoomBarSliderEnds,
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ImGuiNeoSequencerCol_ZoomBarSliderEndsHovered,
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ImGuiNeoSequencerCol_SelectionBorder,
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ImGuiNeoSequencerCol_Selection,
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ImGuiNeoSequencerCol_COUNT
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};
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struct ImGuiNeoSequencerStyle {
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float SequencerRounding = 2.5f; // Corner rounding around whole sequencer
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float TopBarHeight = 0.0f; // Value <= 0.0f = Height is calculated by FontSize + FramePadding.y * 2.0f
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bool TopBarShowFrameLines = true; // Show line for every frame in top bar
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bool TopBarShowFrameTexts = true; // Show frame number every 10th frame
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ImVec2 ItemSpacing = {4.0f,0.5f};
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float DepthItemSpacing = 10.0f; // Amount of text offset per depth level in timeline values
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float TopBarSpacing = 3.0f; // Space between top bar and timeline
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float TimelineBorderSize = 1.0f;
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float CurrentFramePointerSize = 7.0f; // Size of pointing arrow above current frame line
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float CurrentFrameLineWidth = 1.0f; // Width of line showing current frame over timeline
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float ZoomHeightScale = 1.0f; // Scale of Zoom bar, base height is font size
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float CollidedKeyframeOffset = 3.5f; // Offset on which colliding keyframes are rendered
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float MaxSizePerTick = 4.0f; // Maximum amount of pixels per tick on timeline (if less pixels is present, ticks are not rendered)
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ImVec4 Colors[ImGuiNeoSequencerCol_COUNT];
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ImGuiKey ModRemoveKey = ImGuiMod_Ctrl; // Key mod which when held removes selected keyframes from present selection
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ImGuiKey ModAddKey = ImGuiMod_Shift; // Key mod which when held adds selected keyframes to present selection
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ImGuiNeoSequencerStyle();
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};
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namespace ImGui {
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typedef int32_t FrameIndexType;
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IMGUI_API const ImVec4& GetStyleNeoSequencerColorVec4(ImGuiNeoSequencerCol idx);
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IMGUI_API ImGuiNeoSequencerStyle& GetNeoSequencerStyle();
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IMGUI_API void PushNeoSequencerStyleColor(ImGuiNeoSequencerCol idx, ImU32 col);
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IMGUI_API void PushNeoSequencerStyleColor(ImGuiNeoSequencerCol idx, const ImVec4& col);
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IMGUI_API void PopNeoSequencerStyleColor(int count = 1);
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IMGUI_API bool BeginNeoSequencer(const char* id, FrameIndexType * frame, FrameIndexType * startFrame, FrameIndexType * endFrame,const ImVec2& size = ImVec2(0, 0),ImGuiNeoSequencerFlags flags = ImGuiNeoSequencerFlags_None);
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IMGUI_API void EndNeoSequencer(); //Call only when BeginNeoSequencer() returns true!!
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IMGUI_API bool BeginNeoGroup(const char* label, bool* open = nullptr);
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IMGUI_API void EndNeoGroup();
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IMGUI_API bool BeginNeoTimeline(const char* label,FrameIndexType ** keyframes, uint32_t keyframeCount, bool * open = nullptr, ImGuiNeoTimelineFlags flags = ImGuiNeoTimelineFlags_None);
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IMGUI_API void EndNeoTimeLine(); //Call only when BeginNeoTimeline() returns true!!
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// Fully customizable timeline with per key callback
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IMGUI_API bool BeginNeoTimelineEx(const char* label, bool * open = nullptr, ImGuiNeoTimelineFlags flags = ImGuiNeoTimelineFlags_None);
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IMGUI_API void NeoKeyframe(int32_t* value);
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IMGUI_API bool IsNeoKeyframeHovered();
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IMGUI_API bool IsNeoKeyframeSelected();
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IMGUI_API bool IsNeoKeyframeRightClicked();
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// Selection API
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// DON'T delete keyframes while dragging, internal buffer will get corrupted
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// Order for deletion is generally:
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// CanDelete? -> DataSize? -> GetData() -> Delete your data -> ClearSelection()
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IMGUI_API void NeoClearSelection(); // Clears selection
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IMGUI_API bool NeoIsSelecting(); // Are we currently selecting?
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IMGUI_API bool NeoHasSelection(); // Is anything selected?
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IMGUI_API bool NeoIsDraggingSelection(); // Are we dragging selection?
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IMGUI_API bool NeoCanDeleteSelection(); // Can selection deletion be done?
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IMGUI_API bool IsNeoKeyframeSelectionRightClicked(); // Is selection rightclicked?
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// Call only in BeginNeoTimeline / EndNeoTimeLine scope, returns selection per timeline and size per timeline
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IMGUI_API uint32_t GetNeoKeyframeSelectionSize();
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IMGUI_API void GetNeoKeyframeSelection(FrameIndexType * selection);
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// Sets currently selected timeline inside BeginNeoSequencer scope
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IMGUI_API void SetSelectedTimeline(const char* timelineLabel);
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IMGUI_API bool IsNeoTimelineSelected(ImGuiNeoTimelineIsSelectedFlags flags = ImGuiNeoTimelineIsSelectedFlags_None);
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#ifdef __cplusplus
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// C++ helper
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IMGUI_API bool BeginNeoTimeline(const char* label,std::vector<int32_t> & keyframes ,bool * open = nullptr, ImGuiNeoTimelineFlags flags = ImGuiNeoTimelineFlags_None);
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#endif
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}
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#endif //IMGUI_NEO_SEQUENCER_H
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