545 lines
34 KiB
C++
545 lines
34 KiB
C++
// reasampler_editor.h — the VST3 IPlugView LICE editor for the ReaSampler 9000
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// capture-first UI (Phase S10). THIN shell: hosts a LICE-drawn child window inside the
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// host's IPlugView seat and routes host paint/mouse into the pure geometry modules
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// (capture_browser, keyboard_strip) + the pure mapping (sample_map). Windows-only (D5).
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//
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// The default face is the CAPTURE BROWSER: a bank-filter tab strip over a grid of
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// scannable capture cards (peak thumbnail + name + root/key badge). A fresh instance with
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// no pick shows a "pick a capture" EMPTY STATE and plays silence (the S10 policy reversal
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// of the S4 first-sample auto-play). Picking a card loads that one capture and reveals a
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// guided SINGLE-CAPTURE SETUP surface (a keyboard strip with the capture's root marker +
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// a level readout). Multi-zone keymap editing is a demoted, opt-in ZONES panel (S10-Z),
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// reached by a toggle and driven by the same keyboard_strip drag machine.
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//
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// All layout/hit-test/drag math lives in the pure modules; this shell only draws + routes
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// (a LICE_SysBitmap blitted in WM_PAINT, a WM_LBUTTONDOWN/WM_MOUSEMOVE/WM_LBUTTONUP
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// drag-state machine hit-testing via the pure resolvers). Peak thumbnails are computed
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// shell-side from the decoded WAV (bank_model's Sample carries no envelope) and cached —
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// the mirror of bank_panel::thumbnailFor. Every edit commits OFF the audio thread via the
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// processor's reloadInstrument (RT path untouched).
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//
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// Subclasses CPluginView for the IPlugView boilerplate; overrides the attach/remove hooks
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// to create/destroy the child window and onSize to resize it.
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#pragma once
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#include <optional>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "public.sdk/source/common/pluginview.h"
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#include "editor_geometry.h" // Rect (the shell's sub-rect type, shared with the pure modules)
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#include "envelope_edit.h" // EnvClampBounds / NodeHit (S-VIEW-3 envelope node hit-test/edit)
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#include "envelope_overlay.h" // AmpEnvelope / EnvNode (S-VIEW-3 envelope overlay draw seam)
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#include "knob_deck.h" // DeckGroupDesc / DeckLayout (r11 knob deck — Sample FB1, Zone FB2)
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#include "peaks.h" // Envelope (the cached peak thumbnail)
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#include "sample_map.h" // SampleChoice, BankChoice, PerformanceMap (the shell's snapshot)
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#include "velocity_curve.h" // VelocityCurve (S-VIEW-10 transfer-curve editor state)
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#ifdef _WIN32
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#include <windows.h>
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#endif
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class LICE_IBitmap; // fwd: the paint helpers take one; lice.h is included only in the .cpp
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namespace reasampler::vst {
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class ReaSamplerProcessor;
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class ReaSamplerEditor : public Steinberg::CPluginView {
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public:
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// `processor` owns this editor's lifetime domain and outlives it; the editor reads the
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// live bank through it and drives selection/zone edits + reload on user input. May be
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// null (defensive — a real host always supplies one).
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explicit ReaSamplerEditor(ReaSamplerProcessor* processor);
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~ReaSamplerEditor() override;
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Steinberg::tresult PLUGIN_API isPlatformTypeSupported(
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Steinberg::FIDString type) override;
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Steinberg::tresult PLUGIN_API canResize() override;
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Steinberg::tresult PLUGIN_API checkSizeConstraint(Steinberg::ViewRect* rect) override;
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protected:
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void attachedToParent() override;
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void removedFromParent() override;
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Steinberg::tresult PLUGIN_API onSize(Steinberg::ViewRect* newSize) override;
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private:
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// Which face the editor shows (S-VIEW-1, three-view model). Sample is the HOME/default
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// face (the loaded capture). Browse is a full-window MODAL picker overlaid on Sample
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// (select + confirm/cancel changes the loaded capture, then dismisses). Zone is the
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// dedicated multi-zone keymap surface, button-summoned. All three draw over the same
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// snapshotted bank; Browse + Zone return to Sample when dismissed.
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enum class View { kSample, kBrowse, kZone };
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// What a mouse drag is currently editing (the drag-state machine). kNone = no drag in
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// flight. The zone-edit grabs mirror keyboard_strip::ZoneGrab; kRootMarker is the
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// single-capture root drag on the setup strip; kWaveMarker is a draggable start/loop
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// marker on the S11 waveform surface (which marker is in waveMarker_); kEnvNode is a
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// draggable envelope breakpoint on the Sample-view hero overlay (S-VIEW-3, which node in
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// envNode_); kCurveNode is a draggable velocity-curve control point in the S-VIEW-10
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// transfer-curve editor (which point in curvePointIndex_); kDeckKnob is a GRAB-ANCHORED
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// vertical radial-knob drag on an r11 knob deck — the Sample face's deck/cluster (FB1)
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// or the Zone panel's per-zone deck (FB2) — (which control in dragParamId_; the value at
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// grab in dragKnobStartValue_ — no jump on grab, FA4).
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enum class DragKind { kNone, kRootMarker, kZoneLow, kZoneHigh, kZoneBody, kWaveMarker,
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kScrollThumb, kEnvNode, kCurveNode, kDeckKnob };
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// The parameter controls on the setup surface (S12 AHDSR + the S15/S16 control surfaces).
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// The int value is the opaque control id the pure knob_deck hit-test returns; the shell
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// maps it to the picked zone's play params (or a processor-side per-instance setter).
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enum class ParamControl {
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kPlayMode = 0, // Gate | Trigger toggle (S15)
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kPitchEngine, // Varispeed | Preserve toggle (S16)
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kAttack, // AHDSR attack (Gate) / —
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kHold, // AHDSR hold (Gate, S15)
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kDecay, // AHDSR decay (Gate)
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kSustain, // AHDSR sustain (Gate)
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kRelease, // AHDSR release (Gate)
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kTrigLength, // Trigger %-length (Trigger, S15)
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kTrigFadeIn, // Trigger fade-in (Trigger, S15)
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kTrigFadeOut, // Trigger fade-out (Trigger, S15)
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kPitchEnvEnable, // AD pitch envelope on|off (S16)
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kPitchEnvAttack, // AD pitch attack (S16)
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kPitchEnvDecay, // AD pitch decay (S16)
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kPitchEnvDepth, // AD pitch depth in +/- semitones (S16)
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kKeyTrack, // S-VIEW-6 key-tracking 0..200% (lives on PerformanceZone, not ZonePlaySeconds)
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// r11 deck-only controls (FB1): processor-side per-instance params, NOT zone params —
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// routed to the processor setters, never through applyZoneControl / the map.
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kVoiceCount, // Phase S polyphony bound (1..32) — a stepped knob in the VOICE group
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kVoiceMode, // Poly | Mono caption toggle (VOICE group)
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kMonoTrigger, // Retrig | Legato row toggle (VOICE group; live only in Mono)
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kMasterGain, // FB1 post-mixer master gain knob (-inf..+24 dB taper, MASTER group)
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kCount
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};
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// The waveform markers on the single-capture setup surface (S11). Order is the draw + hit
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// order (start first). Named generically per the spec so S15 can repurpose the surface with
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// a different marker set; here it is start-point + the sustain loop's two ends.
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enum class WaveMarker { kStart = 0, kLoopStart = 1, kLoopEnd = 2, kCount = 3 };
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// --- Hover model (Phase L, L3) ------------------------------------------------
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//
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// The interactive element under the pointer, resolved live in WM_MOUSEMOVE so the kit
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// draws its hover state on that element only ("hover on every interactive element" +
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// "sub-frame feedback = the perception of speed", §3.3/§3.5). Cleared to kNone on
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// WM_MOUSELEAVE (tracked via TrackMouseEvent). `index` disambiguates within a kind
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// (tab ordinal, visible-card index, control-row id); -1 when not applicable. Mirror of
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// bank_panel's L2 hover model.
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enum class HoverKind {
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kNone,
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kNavBrowse, // the Sample-view "Browse" title-band button (opens the Browse modal)
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kNavZone, // the Sample-view "Zone" title-band button (opens the Zone surface)
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kBack, // the Browse/Zone "back" affordance (returns to Sample)
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kSearchBox, // the browser search box
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kFilterTab, // a bank-filter tab (index = tab ordinal, 0 = All)
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kCard, // a capture card (index = visible_ index)
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kBrowseConfirm, // the Browse modal "Load" confirm button
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kBrowseCancel, // the Browse modal "Cancel" button
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kChanMono, // the mono channel-mode segment
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kChanStereo, // the stereo channel-mode segment
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kPreview, // the Sample-view preview-trigger button
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kAddZone, // the "+ Add Zone" button
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kDeleteZone, // the "Delete" zone button
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kControl, // a knob-deck element (index = control id)
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kCurveNode, // a velocity-curve control point (index = point index, S-VIEW-10)
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kVelKnob, // the cluster preview-velocity radial knob (r11)
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kCurveButton, // the cluster mini curve-preview button (r11 — opens the popup)
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kPopupClose, // the curve popup's Close (x) button (r11)
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};
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struct HoverTarget {
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HoverKind kind = HoverKind::kNone;
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int index = -1;
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bool operator==(const HoverTarget& o) const { return kind == o.kind && index == o.index; }
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bool operator!=(const HoverTarget& o) const { return !(*this == o); }
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};
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#ifdef _WIN32
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void paint(HDC hdc);
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void paintSample(LICE_IBitmap* bmp, int w, int h); // S-VIEW-2/r11 home face
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void paintBrowse(LICE_IBitmap* bmp, int w, int h); // S-VIEW-5 modal picker overlay
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void paintZone(LICE_IBitmap* bmp, int w, int h); // S-VIEW-8 zone surface
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void paintEmptyState(LICE_IBitmap* bmp, const Rect& area);
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// --- r11 knob-deck rendering (FB1 Sample face; FB2 Zone panel) -------------------
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// The knob deck: the fenced task groups drawn through the L1 kit — group fence + caption +
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// compact caption toggles + radial knobs (param_slider's FA4 primitive) with label<->value
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// swap on hover/drag. `descs` picks the group set: the full Sample deck (deckGroupDescs)
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// or the Zone panel's per-zone groups (zoneDeckGroupDescs). Lays out from deckArea's
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// top-left; the caller anchors (Sample bottom-anchors, Zone top-anchors).
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void paintKnobDeck(LICE_IBitmap* bmp, const Rect& deckArea, const PerformanceZone& zone,
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const std::vector<DeckGroupDesc>& descs);
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// The mini curve-preview button (shared by the Sample cluster + the Zone panel, FB2): a
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// hairline bg/cell square tracing the zone's live curve; Active border while the popup is up.
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void paintCurveButton(LICE_IBitmap* bmp, const Rect& r, const PerformanceZone& zone);
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// The centered curve-popup sheet (wash + title + close + full-size curve editor). Edits
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// popupZone() — the Sample face's one-zone site or the Zone surface's selected zone (FB2).
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void paintCurvePopup(LICE_IBitmap* bmp, int w, int h);
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// Trace the S-VIEW-3 amp-envelope overlay + its draggable node handles over `waveArea` for
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// `zone`'s play params, at the sample's wall-clock duration. Shared by the Sample hero band.
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void paintEnvelopeOverlay(LICE_IBitmap* bmp, const Rect& waveArea, const PerformanceZone& zone,
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std::int64_t frames);
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// S-VIEW-10: the velocity->amp transfer-curve editor — a bordered box (X = velocity 0-127,
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// Y = amp 0-1), the monotone spline traced by eval, one draggable node handle per control
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// point. Since FB2 its ONLY host is the r11 popup sheet (both surfaces summon it via the
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// mini preview button); all mapping / hit-test / clamp math lives in the pure
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// velocity_curve module. `r` empty -> draws nothing.
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void paintVelocityCurve(LICE_IBitmap* bmp, const Rect& r, const PerformanceZone& zone);
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// Route a mouse-down inside curve-editor box `r` editing map_.zones[zoneIndex]: a node grab
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// starts a kCurveNode drag; Alt-click on an interior node deletes it (committed at once);
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// an empty-space click ADDS a point at the cursor and grabs it for an immediate drag.
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// `zoneIndex` must be a valid index into map_.zones (callers materialize first).
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void handleCurveMouseDown(const Rect& r, int zoneIndex, int x, int y);
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// Route a left-click while the curve popup is open (the popup is MODAL over the Sample
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// face AND the Zone surface, FB2): Close / outside-wash dismiss, in-box clicks into the
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// shared curve machinery against popupZoneIndex(), everything else on the sheet swallowed.
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// Returns true when the popup consumed the click (i.e. whenever it is open).
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bool handlePopupMouseDown(int w, int h, int x, int y);
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void onMouseDown(int x, int y);
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void onMouseMove(int x, int y);
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void onMouseUp(int x, int y);
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// r11: right-click — the curve popup's PRIMARY node-delete affordance (issue 3c). Only
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// acts while the popup is open (over the Sample face OR the Zone surface, FB2); a
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// right-click on a popup curve node deletes it through the same commit path as Alt-click
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// (deletePoint's endpoint guard makes endpoint right-clicks a safe no-op). Everything
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// else ignores right-clicks.
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void onMouseRDown(int x, int y);
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// Apply a knob/toggle interaction to map_.zones[zoneIndex] for control `id`: routes ordinary
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// controls through applyControl against the zone's play struct, and kKeyTrack against the
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// zone's keyTrack scalar (0..200% over the knob's 0..1). Used by both the click + drag paths.
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void applyZoneControl(int zoneIndex, int id, double value, int segment);
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// Resolve the interactive element under (x, y) into hover_ (Phase L, L3). Called from
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// WM_MOUSEMOVE (also while a drag is in flight — the resolved element just isn't used
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// for a hover repaint mid-drag). Repaints only when the hovered element changed, so an
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// idle mouse-move is free. Windows-only (the hit-tests use the shell's Win32 client rect).
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void resolveHover(int x, int y);
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// True iff element (kind, index) is the live hover_ target — the shell maps this to the
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// kit's Hover interaction state when the element has no more-specific state (Active, etc.).
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bool isHovered(HoverKind kind, int index) const {
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return hover_.kind == kind && hover_.index == index;
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}
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void onMouseWheel(int delta); // S12 browser scroll (wheel)
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void onSearchChar(unsigned int ch); // S12 type-to-filter search keystroke
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// S13 (relay degraded): an OS file drop landed on the editor window. We do NOT ingest (the
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// instrument is a read-only bank consumer and the relay is unshipped) — we flash the "drop
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// on the ReaSampler panel to add" affordance so the drop is never silently swallowed and the
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// shipped ingest gesture stays discoverable. `droppedCount` is how many files were dropped
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// (drawn into the banner). NEVER inserts a timeline item / never touches the bank.
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void onFilesDropped(int droppedCount);
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// The S9/S8 change-detection tick (WM_TIMER on the child window — the UI thread, NEVER the
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// audio thread). Polls the processor's bank-sync (generation change -> hands-free reload;
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// a new assignment request -> apply as this instance's selection) and, when anything
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// changed, re-snapshots the editor's own view (refreshFromBank) + repaints so the browser /
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// setup surface reflect the new bank. An open editor means THIS instance is the focused
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// assignment target (the thundering-herd policy — see the handoff), so it passes true.
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// Suppressed WHILE A DRAG IS IN FLIGHT so a mid-drag reload does not yank the edit surface.
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void onSyncTimer();
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static LRESULT CALLBACK wndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
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void invalidate();
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HWND childHwnd_ = nullptr;
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#endif
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// Re-read the bank (samples + banks) from the live bridge and snapshot the instrument's
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// selection + performance map. Main/UI thread only. Called on attach and after any edit.
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void refreshFromBank();
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// Publish the edited zones/selection to the processor, then rebuild the instrument OFF
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// the audio thread. UI thread only. One place so every edit commits identically.
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void commitAndReload();
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// Commit `id` as the loaded single-capture selection (the Browse Load confirm and the
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// double-click accelerator both route here). Runs reconcileSingleCaptureZones first so
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// the previous sample's materialized full-range zone cannot linger and shadow the new
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// pick under first-match resolve (the zone-bleed fix, issue 3a), then publishes + reloads.
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void loadSelection(const std::string& id);
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// Recompute the capture cards visible under the current bank filter (samples_ narrowed by
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// activeFilterBankId_; "" = All) into visible_. Called on refresh + filter change.
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void rebuildVisible();
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// The peak thumbnail for a bank sample id at `binCount` bins, computed once from the
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// decoded WAV (mirror of bank_panel::thumbnailFor) and cached by (id, binCount). Returns
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// an empty envelope when the WAV can't be resolved/decoded. UI thread only (file I/O).
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const Envelope& thumbnailFor(const std::string& sampleId, int binCount);
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// The decoded MONO PCM for a bank sample id, decoded once from the WAV and cached by id.
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// Feeds the S11 waveform surface: the full-res envelope binned at view width AND the
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// zero-crossing snap (both need the raw frames, not the binned thumbnail). Returns an empty
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// vector when the WAV can't be resolved/decoded. UI thread only (file I/O). Reuses the same
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// decode path as thumbnailFor (no new WAV reader), keyed by id (not width — snap is width-
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// independent). Cleared with the thumbnail cache on refresh.
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const std::vector<AudioSample>& monoPcmFor(const std::string& sampleId);
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// The effective loop + start markers for the picked single capture (S11): the per-zone
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// OVERRIDE for the picked id when one exists in map_, else the bank's S2 loop intrinsic
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// (loop) / frame 0 (start). Absent loop -> loopStart==loopEnd==0 (the "no loop" state).
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// frames is the decoded length (for defaulting loopEnd when the bank left the loop empty).
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struct SetupMarkers {
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std::int64_t start = 0;
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std::int64_t loopStart = 0;
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std::int64_t loopEnd = 0;
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bool hasLoop = false; // whether a sustain loop is set (drives the "no loop" affordance)
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};
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SetupMarkers pickedMarkers(std::int64_t frames) const;
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// Commit an edited marker set for the picked capture as a per-zone loop/start override
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// (upsert on the picked id — mirror of the root-marker path), then reload off-thread.
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void commitPickedMarkers(const SetupMarkers& m);
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// Write `m` as a loop/start override upsert into map_ for selectedId_ (find-or-append).
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// Does NOT call commitAndReload — callers decide whether this is a live-drag update or a
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// final commit. selectedId_ must be non-empty before calling. Returns the zone index
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// (0-based) that was updated or appended, so callers can set selectedZone_.
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int upsertPickedOverride(const SetupMarkers& m);
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// --- S12/S15/S16 parameter value domains (both deck surfaces) ------------------
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//
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// The deck knobs edit a zone's ZonePlaySeconds (S15 play mode + AHDSR; S16 pitch engine +
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// AD pitch envelope). Wall-clock times are SECONDS (rate-free); the keymap build resolves
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// them to frames at the live rate. Instrument-owned (D-B), never a bank fact.
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// The normalized [0,1] display value for control `id` given `play` (the shell's domain
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// mapping: seconds->0..1 over a fixed seconds ceiling, sustain 0..1 as-is, %-length/fade
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// frames->0..1, semitone depth centered at 0.5).
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double controlValue(int id, const ZonePlaySeconds& play) const;
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// Apply a committed control interaction to `play`: a knob's normalized `value` (mapped back
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// into the control's stored domain) or a toggle's `segment` (0/1). Mutates `play` in place.
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void applyControl(int id, ZonePlaySeconds& play, double value, int segment) const;
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// The Trigger fade-in/out knob full-scale, in SOURCE frames: kFadeMaxSeconds (2 s
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// wall-clock) resolved against the live rate at use (Q-W0 T3-03 — never a baked-in
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// rate). 44.1 kHz fallback before setupProcessing has run. Storage stays frames.
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double fadeMaxFrames() const;
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// --- S-VIEW-3 envelope overlay seam (frames <-> fraction converter) ----------
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//
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// envelope_overlay's AmpEnvelope is a DERIVED VIEW, not a TriggerParams copy: it stores the
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// Trigger fades as FRACTIONS of the played span, while the zone stores them as SOURCE FRAMES.
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// These two members own the non-trivial conversion on BOTH paths (documented in
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// envelope_overlay.h's TRIGGER SEAM note). `frames` is the sample's total source frame count;
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// `rate` is the live sample rate (the wall-clock AHDSR seconds are rate-free and copy 1-to-1,
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// but the Trigger played-span math needs the frame count).
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// PACK (draw): zone play params -> AmpEnvelope. Copies AHDSR seconds directly; derives the
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// Trigger fade fractions from the source-frame fades over the played span.
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// `startFrame` is the zone's effective start point (zone.startPoint.value_or(0)).
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AmpEnvelope packEnvelope(const ZonePlaySeconds& play, std::int64_t frames,
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std::int64_t startFrame) const;
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// UNPACK (commit): an edited AmpEnvelope -> the zone's play params. Copies AHDSR seconds
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// directly; converts the Trigger fade fractions back to source frames over the played span.
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// `startFrame` is the zone's effective start point (zone.startPoint.value_or(0)).
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// Mutates `play` in place; only the mode-relevant fields are written.
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void unpackEnvelope(const AmpEnvelope& env, std::int64_t frames, std::int64_t startFrame,
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ZonePlaySeconds& play) const;
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// The clamp bounds envelope_edit uses, matching the control-panel sliders' own domains (so a
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// node drag can never produce a param a slider couldn't — the S-VIEW-F2 invariant).
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EnvClampBounds envClampBounds() const;
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// --- Sample-view resolution helpers (the ONE storage site, S15-F2) -----------
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//
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// The single-capture Sample face reads/writes the same one-zone map site as the Zone surface.
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// These resolve the effective values for the picked id: effectiveSampleZone returns the picked
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// id's one-zone override (found in map_) or a product-default PerformanceZone bound to the
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// picked id (not yet materialized — a control edit materializes it, mirroring the Zone path).
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PerformanceZone effectiveSampleZone() const;
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// The effective root: the picked id's rootOverride, else its bank intrinsic, else middle C.
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int effectiveRoot() const;
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// The live sample rate from the bridge (for the envelope overlay's seconds<->frames time base),
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// or 0 when unavailable (the caller guards). Matches the voice engine's resolution rate.
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double liveSampleRate() const;
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// The persisted preview velocity as a 0..1 slider value (MIDI 1..127 mapped onto [0,1]).
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double previewVelocity01() const;
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// Find-or-materialize the one-zone override for the picked id and return a mutable index into
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// map_.zones (appending a product-default zone if none exists). selectedId_ must be non-empty.
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// The mirror of upsertPickedOverride for a control edit — used when a Sample-face control edit
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// needs a concrete zone to write. Returns -1 if selectedId_ is empty.
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int ensureSampleZone();
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// --- Curve-popup target resolution (r11 FB1 + FB2) -----------------------------
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//
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// The popup edits ONE zone per open: the Zone surface's SELECTED zone (FB2) or the Sample
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// face's picked one-zone site. popupZone is the read-only resolve (paint/hover/right-click
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// hit-test); popupZoneIndex is the edit target — it materializes the Sample-face zone via
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// ensureSampleZone but NEVER materializes on the Zone surface (the button only shows for
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// an explicit selection). Returns -1 when there is no valid target (callers guard).
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PerformanceZone popupZone() const;
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int popupZoneIndex();
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// --- r11 knob-deck plumbing (FB1 Sample face; FB2 Zone panel) -------------------
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//
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// The deck is the r11 replacement for the slider control strips on BOTH surfaces: the pure
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// knob_deck module lays out the fenced groups, param_slider's FA4 primitive owns the
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// value<->needle map, and these members own the control-id <-> value binding.
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// The PER-ZONE deck groups (FB2 — the set both surfaces share): AMP ENVELOPE (Gate:
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// A/H/D/S/R; Trigger: Fade In / Length % / Fade Out + two RESERVED blanks so a mode flip
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// never reflows the neighbours) / PITCH (Key Track) / PITCH ENV (P.Attack/P.Decay/P.Depth).
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// The Zone panel renders exactly these — per-instance state stays off it.
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std::vector<DeckGroupDesc> zoneDeckGroupDescs(const ZonePlaySeconds& play) const;
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// The full Sample-face deck: the shared per-zone groups + the per-instance VOICE (Voices
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// knob + Poly|Mono caption toggle + Retrig|Legato row toggle) and MASTER (the FB1
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// post-mixer Gain knob) groups.
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std::vector<DeckGroupDesc> deckGroupDescs(const ZonePlaySeconds& play) const;
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// The normalized [0,1] value a deck knob shows for `zone` — zone params route through
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// controlValue/keyTrack; the processor-side ids (voice count, master gain, and the
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// cluster's preview velocity via the -2 sentinel) read the processor's live value, so
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// the knob and its storage are two views on one model (re-read each paint).
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double deckControlNorm(int id, const PerformanceZone& zone) const;
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// Apply a deck-knob value: zone params write map_.zones[zoneIndex] (live-drag semantics,
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// commit on release); processor params (voice count / master gain / preview velocity)
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// write through the processor setters immediately (transient — no map edit, no reload).
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// zoneIndex is ignored for processor-side ids.
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void applyDeckKnob(int zoneIndex, int id, double norm);
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// The knob's live value label (shown in place of the name label during hover/drag):
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// seconds ("0.123s"), percents ("85%"), source frames ("8820f"), signed semitones
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// ("+3.5st"), a voice count ("16"), or the master-gain dB ("-inf"/"+2.4dB").
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std::string deckValueLabel(int id, const PerformanceZone& zone) const;
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ReaSamplerProcessor* processor_ = nullptr;
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// --- Snapshot of the live bank (drawn each paint; refreshed off the audio thread) ---
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std::vector<SampleChoice> samples_; // every bank sample, bank order
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std::vector<BankChoice> banks_; // the named banks, for the filter tab strip
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std::vector<SampleChoice> visible_; // samples_ narrowed by the active bank filter
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std::string selectedId_; // the single-capture pick ("" = empty state)
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PerformanceMap map_; // the opt-in zones (empty = no zones)
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ChannelMode channelMode_ = ChannelMode::Mono; // S7 mono/stereo toggle snapshot
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// --- Phase S voice-deck snapshot (PROVISIONAL controls — the Wave B recompose owns the
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// final deck). Mirrors of the processor's persisted voice-system params, refreshed with
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// the rest of the live snapshot; every edit writes through the processor setters (which
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// rebuild the engine off-thread via the drain-slot swap).
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int voiceCount_ = kDefaultVoiceCount;
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VoiceMode voiceMode_ = VoiceMode::Poly;
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MonoTrigger monoTrigger_ = MonoTrigger::Retrigger;
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// --- Transient UI state (not persisted; component state carries selection + zones) ---
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View view_ = View::kSample; // default face is the loaded-sample home (S-VIEW-1)
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std::string activeFilterBankId_; // "" = All; else a bank id from banks_
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int selectedZone_ = -1; // highlighted zone in the Zone surface; -1 = none
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// --- S-VIEW-5 Browse modal picker (a selection PENDING confirm) ---------------
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// The Browse overlay is a select-then-confirm picker: a click marks a pending pick without
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// loading it; Confirm (or double-click) commits it to selectedId_ + reloads and returns to
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// Sample; Cancel discards it and returns to Sample unchanged. "" = nothing picked yet.
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std::string browsePendingId_;
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int lastBrowseClickCard_ = -1; // for double-click-to-load detection (visible_ index)
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// --- S-VIEW-4 preview-trigger note (transient) -------------------------------
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// The MIDI note the preview button is currently sounding (a held Gate voice), or -1 when the
|
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// button is up. Set on preview-button press (note-on posted to the processor), cleared on
|
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// release (note-off posted). One note at a time — a fresh press releases the prior.
|
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int previewingNote_ = -1;
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// --- S13 drop-to-load affordance (relay DEGRADED — transient, never persisted) ----
|
|
// S13's cross-artifact ingest relay (editor drop -> extension ingest) is NOT shipped: the
|
|
// instrument's REAPER bridge is deliberately READ-ONLY (it never writes the bank / ext
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// state), so an editor drop cannot relay a bank-ingest request without a new write seam +
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// an extension-side poller (surfaced as a decision, not crossed here). The DEGRADE path per
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// the spec: the editor ACCEPTS the drop (WM_DROPFILES) and, rather than silently swallowing
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// it, flashes a clear affordance pointing at the shipped ingest gesture (drop onto the
|
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// docked ReaSampler panel). When > 0, the affordance banner is shown; each sync tick decays
|
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// it so it auto-dismisses. No file is ingested, no timeline item is ever inserted.
|
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int dropHintTicks_ = 0; // remaining sync ticks to show the drop affordance
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// --- S12 browser scroll + search (transient UI state, never persisted) --------
|
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int scrollOffset_ = 0; // vertical px offset into the card grid (clamped)
|
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std::string searchQuery_; // type-to-filter narrow; "" = no search
|
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bool searchFocused_ = false; // whether the search box has keyboard focus
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|
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// --- S12 numeric note entry (LICE text-entry idiom, transient) ----------------
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// When >= 0, a low/high/root field is being typed; entryText_ accumulates the keystrokes
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|
// and commits (parseNoteEntry) on Enter. -1 = no field editing. The field id is a
|
|
// ParamControl-independent small enum encoded inline (see the .cpp: 0=low,1=high,2=root).
|
|
int entryField_ = -1;
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|
std::string entryText_;
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|
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// --- Hover state (Phase L, L3; transient, never persisted) --------------------
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|
HoverTarget hover_; // the interactive element under the pointer
|
|
#ifdef _WIN32
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bool mouseTracking_ = false; // TrackMouseEvent armed for WM_MOUSELEAVE this "over" cycle
|
|
#endif
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|
|
|
// --- Drag-state machine ------------------------------------------------------
|
|
DragKind drag_ = DragKind::kNone;
|
|
int dragStartX_ = 0; // grab x (px), for the pixel-delta resolver
|
|
int dragStartY_ = 0; // grab y (px), for the vertical scrollbar-thumb drag
|
|
int dragCurX_ = 0; // live cursor x (px) during a drag — updated in onMouseMove
|
|
int dragCurY_ = 0; // live cursor y (px) during a drag — updated in onMouseMove
|
|
int dragStartLow_ = 0; // the grabbed field's note at grab time
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|
int dragStartHigh_ = 0;
|
|
int dragStartRoot_ = 60;
|
|
PerformanceMap dragStartMap_; // map_ snapshotted at grab; restored on capture-loss
|
|
|
|
// S11 waveform-marker drag: which marker + the marker set snapshotted at grab time (so the
|
|
// pixel-delta resolver shifts the grabbed frame from its grab-time value, and inter-marker
|
|
// clamps use the sibling markers).
|
|
WaveMarker waveMarker_ = WaveMarker::kStart;
|
|
SetupMarkers dragStartMarkers_;
|
|
std::int64_t dragSampleFrames_ = 0; // decoded length of the sample under the drag
|
|
std::int64_t dragStartFrame_ = 0; // zone startPoint at grab time (0 if absent); for env-node drag
|
|
|
|
// S12 scrollbar-thumb drag: the offset held at grab time (the pixel-delta resolver shifts
|
|
// from it). kDeckKnob drag: which control id + the zone it edits.
|
|
int dragStartScrollOffset_ = 0;
|
|
int dragParamId_ = -1; // control id under a kDeckKnob drag; -2 = preview-vel knob
|
|
int dragParamZone_ = -1; // the zone index a kDeckKnob drag edits; -1 = processor-side
|
|
|
|
// S-VIEW-3 envelope-node drag: which node is grabbed + the AmpEnvelope snapshotted at grab
|
|
// (so the pixel delta is absolute, per envelope_edit's grabEnv contract). The overlay rect +
|
|
// sample frame count are re-derived at move time from the live Sample-view layout.
|
|
EnvNode envNode_ = EnvNode::Origin;
|
|
AmpEnvelope dragStartEnv_{};
|
|
|
|
// S-VIEW-10 velocity-curve node drag: which point is grabbed, the curve snapshotted at grab
|
|
// (resolvePointDrag's absolute-delta contract), the box rect the grab happened in (the Sample
|
|
// and Zone views place the editor differently — the drag resolves against the grab-time box),
|
|
// and which zone the edit lands on. Mirror of the envelope-node drag state.
|
|
int curvePointIndex_ = -1;
|
|
VelocityCurve dragStartCurve_ = VelocityCurve::flat();
|
|
Rect dragCurveRect_{};
|
|
int dragCurveZone_ = -1;
|
|
|
|
// r11 deck-knob drag (FB1): the control's normalized value AT GRAB — knobDragValue maps
|
|
// the vertical pixel delta from this anchor, so a grab never jumps the value (FA4).
|
|
double dragKnobStartValue_ = 0.0;
|
|
|
|
// r11 curve popup (FB1 + FB2): open flag — editor-local, never persisted. The popup edits
|
|
// popupZone() — the picked capture's one-zone site on the Sample face, the SELECTED zone
|
|
// on the Zone surface — re-resolved each paint so a sync-tick refresh mid-open stays
|
|
// coherent (a refresh that drops the target closes it; see refreshFromBank).
|
|
bool curvePopupOpen_ = false;
|
|
|
|
// --- Peak-thumbnail cache (mirror of bank_panel; id -> envelope at a bin width) ------
|
|
// Keyed by "id|binCount" so a resize recomputes at the new width. Cleared on refresh so
|
|
// a bank edit (a re-captured or deleted sample) does not show a stale thumbnail.
|
|
std::unordered_map<std::string, Envelope> thumbCache_;
|
|
|
|
// --- Decoded mono-PCM cache (S11; id -> full-res frames) ------------------------------
|
|
// Keyed by id (width-independent, unlike thumbCache_). Feeds the waveform envelope binning
|
|
// + the zero-crossing snap. Cleared alongside thumbCache_ on refresh so a re-captured or
|
|
// deleted sample does not show/snap against stale PCM.
|
|
std::unordered_map<std::string, std::vector<AudioSample>> pcmCache_;
|
|
};
|
|
|
|
} // namespace reasampler::vst
|