daniel
4bf394b89c
planToggle now enumerates all leaves in the FolderTree instead of only tagged membership entries, so untagged (Arrange-member) tracks park in Design and restore in Arrange. applyMode calls TrackList_AdjustWindows + UpdateArrange so changes render immediately. Correct the stale "tagged-only" invariant comments.
56 lines
3.1 KiB
C++
56 lines
3.1 KiB
C++
#pragma once
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// view — the REAPER-facing shell of the Design View feature (Phase D2). It is the
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// mirror of the capture shell: the ViewModeModel (pure, D1) holds the mode/
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// membership/snapshot state and emits the toggle plan; this shell reads the live
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// project's folder tree, snapshots the tracks it is about to park, runs the model's
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// planner, and applies the resulting flag + per-FX-offline writes to REAPER.
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//
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// It includes view_mode_model (pure) but NO REAPER headers — the .cpp is the one
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// REAPER-facing translation unit (CLAUDE.md §contract: only main.cpp defines the
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// API pointers; every other .cpp gets them extern). Callers (persist, actions)
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// depend on this seam without dragging the SDK into their include sites.
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//
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// Hard invariants this shell enforces (CONTEXT.md §Design View, precision
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// invariants) — verified in self-review, never crossed:
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// * Never touches the master track's visibility (SDK forbids B_SHOWINTCP/
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// B_SHOWINMIXER on master); the master is never a node in the tree.
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// * Never reads or writes B_MUTE / I_SOLO on any track.
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// * Manages ALL leaves via the mode system: an untagged leaf is an Arrange member,
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// so it is fully parked in non-Arrange modes and restored in Arrange, identically
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// to a tagged leaf. show-both is the always-visible escape; parents are
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// visibility-only (derived); the master is never touched.
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// * Snapshots every to-be-parked track's prior flags BEFORE parking, storing
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// them into the model so restore is faithful and survives a save-while-parked.
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#include <string>
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#include "view_mode_model.h"
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// REAPER's opaque project handle. Forward-declared to keep this header SDK-free;
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// the .cpp includes reaper_plugin_functions.h and sees the real class.
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class ReaProject;
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namespace reasampler {
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// Applies `targetModeId` to the live project `proj`:
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// 1. Reads the arrange-ordered track list, builds the FolderTree from
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// I_FOLDERDEPTH (via the pure buildFolderTree helper).
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// 2. Runs model.planToggle(tree, targetModeId).
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// 3. For each track about to be PARKED: snapshots its current B_SHOWINTCP /
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// B_SHOWINMIXER / B_MAINSEND / I_FXEN and per-FX offline state, stores the
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// snapshot into the model, THEN applies the park writes (expanding the
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// per-FX offline loop from TrackFX_GetCount, which the pure plan leaves empty).
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// 4. For each track to RESTORE: applies the plan's snapshot-sourced flag + per-FX
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// offline writes verbatim.
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// 5. For each PARENT (folder) node: drives B_SHOWINTCP / B_SHOWINMIXER to 1 if the
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// parent is in model.visibleTracks(tree, targetModeId), else 0 — derived from
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// membership, never parked/snapshotted. Only the two visibility flags.
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// 6. Sets the model's active mode to `targetModeId`.
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// All track mutations are wrapped in Undo_BeginBlock2 / Undo_EndBlock2.
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//
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// Returns false (no mutation, active mode unchanged) if `targetModeId` is not a
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// registered mode. `proj` may be nullptr to mean REAPER's current project.
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bool applyMode(ViewModeModel& model, const std::string& targetModeId, ReaProject* proj);
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} // namespace reasampler
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