daniel
cfb53aade3
Cancels the curve-node drag whenever the popup closes so Esc mid-drag can't alias the amp curve; generalizes CurveTarget routing to one switch; fixes stale/overstated comments; clamps a pre-v12 depth fold; adds deck-inertness and filter-fold test coverage.
67 lines
3.3 KiB
C++
67 lines
3.3 KiB
C++
#pragma once
|
|
// sample_bands.h — THE band-stack allocator for the Sample face: the one module that owns
|
|
// the editor's vertical inventory. Three bands, top to bottom — CHROME (toolbar + control
|
|
// row), WAVEFORM (elastic, sized to hold two stacked channel lanes), DECKS (the knob-deck
|
|
// row). Everything else in the editor fills a band it is handed; nothing else allocates
|
|
// vertical space, so a band's owner can re-lay its interior without moving its neighbours.
|
|
|
|
#include "core/instrument/ui/editor_geometry.h" // Rect
|
|
|
|
namespace reasampler::instrument::ui {
|
|
|
|
// Shared outer inset every band honours horizontally.
|
|
inline constexpr int kPad = 8;
|
|
|
|
// The editor's client-area floor, which IS its default size: the band stack is laid out for
|
|
// exactly this, and there is no scroll, so anything smaller pushes the deck band off the
|
|
// window bottom (computeSampleBands' waveform-floor-wins degrade). Growing is fine — the
|
|
// waveform band is the elastic one. Both the enforced minimum and the opening rect read this.
|
|
inline constexpr int kEditorMinWidth = 840;
|
|
inline constexpr int kEditorMinHeight = 620;
|
|
|
|
// Chrome band: the toolbar row (title + nav) stacked over the control row (piano strip,
|
|
// preview, velocity knob, channel toggle). sample_chrome partitions it.
|
|
inline constexpr int kTitleHeight = 26;
|
|
inline constexpr int kChromeRowHeight = 52;
|
|
|
|
// Waveform band floor: two stacked lanes plus the seam between them. The band never shrinks
|
|
// below this — a window too short for it clips the bands beneath instead, so the waveform
|
|
// stays a usable two-lane surface at every size.
|
|
inline constexpr int kLaneMinHeight = 74;
|
|
inline constexpr int kLaneGap = 2;
|
|
inline constexpr int kWaveformMinHeight = 2 * kLaneMinHeight + kLaneGap;
|
|
|
|
// Vertical seam between adjacent bands.
|
|
inline constexpr int kBandGap = 4;
|
|
|
|
// The vertical inventory. Bands never overlap and are returned top-to-bottom; a band may be
|
|
// empty() on a degenerate window, in which case its owner draws and hit-tests nothing.
|
|
struct SampleBands {
|
|
Rect chrome; // full width: toolbar row + control row
|
|
Rect waveform; // kPad-inset, elastic, >= kWaveformMinHeight
|
|
Rect decks; // kPad-inset, bottom-anchored, height `deckHeight`
|
|
};
|
|
|
|
// Divide a (w x h) client area into the three bands. `deckHeight` is the knob deck's own
|
|
// wrapped height (from knob_deck) — the only interior measurement the allocator needs, so
|
|
// the deck band is exactly as tall as its content. Pure.
|
|
SampleBands computeSampleBands(int w, int h, int deckHeight);
|
|
|
|
// The waveform band's two channel lanes: L above R, separated by kLaneGap. In mono only
|
|
// `upper` is populated (it takes the whole band) and `lower` is empty — a mono capture has
|
|
// no second lane to draw, and overlays that ride the waveform draw ONCE across the whole
|
|
// band in either mode, never per lane.
|
|
struct WaveformLanes {
|
|
Rect upper;
|
|
Rect lower; // empty() in mono
|
|
};
|
|
|
|
// A RESOLVED lane-split decision, not "is the instrument in stereo mode" — a mono source
|
|
// stays Single even in stereo mode (dual-mono, no second channel to draw). Only
|
|
// waveformSurface (waveform_view) folds the source channel count in; a bare bool here would
|
|
// let a caller pass isStereoMode straight through and skip that check.
|
|
enum class LaneSplit { Single, Stereo };
|
|
WaveformLanes waveformLanes(const Rect& waveform, LaneSplit split);
|
|
|
|
} // namespace reasampler::instrument::ui
|