0xrsydn
6591138bbf
Snapshot before the Python POC is removed. The POC (main.py, effects.py, panel.py, shaders.py, effects/*.glsl, flake.nix) is the reference for the native app under native/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
92 lines
3.9 KiB
Swift
92 lines
3.9 KiB
Swift
import AppKit
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private final class TopAlignedView: NSView {
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override var isFlipped: Bool { true } // so the scroll view starts at the top
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}
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/// Side panel: every effect with a checkbox, and the sliders of the ones that are switched on.
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final class Panel: NSObject {
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static let width: CGFloat = 230
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let view = NSScrollView()
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private let stack = NSStackView()
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private let statusLabel = NSTextField(labelWithString: "")
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private let renderer: Renderer
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init(renderer: Renderer) {
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self.renderer = renderer
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super.init()
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stack.orientation = .vertical
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stack.alignment = .leading
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stack.spacing = 4
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stack.translatesAutoresizingMaskIntoConstraints = false
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let document = TopAlignedView()
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document.translatesAutoresizingMaskIntoConstraints = false
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document.addSubview(stack)
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view.documentView = document
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view.hasVerticalScroller = true
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view.drawsBackground = false
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NSLayoutConstraint.activate([
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view.widthAnchor.constraint(equalToConstant: Panel.width),
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document.widthAnchor.constraint(equalTo: view.contentView.widthAnchor),
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stack.topAnchor.constraint(equalTo: document.topAnchor, constant: 14),
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stack.leadingAnchor.constraint(equalTo: document.leadingAnchor, constant: 14),
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stack.trailingAnchor.constraint(equalTo: document.trailingAnchor, constant: -14),
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stack.bottomAnchor.constraint(equalTo: document.bottomAnchor, constant: -14),
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])
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statusLabel.font = .boldSystemFont(ofSize: 11)
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statusLabel.textColor = .systemRed
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rebuild()
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}
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private func label(_ text: String, dim: Bool = true) -> NSTextField {
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let field = NSTextField(labelWithString: text)
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field.font = .systemFont(ofSize: 11)
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field.textColor = dim ? .secondaryLabelColor : .labelColor
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return field
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}
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func rebuild() {
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stack.arrangedSubviews.forEach { $0.removeFromSuperview() }
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statusLabel.stringValue = renderer.status
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stack.addArrangedSubview(statusLabel)
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for (layerIndex, layer) in renderer.layers.enumerated() {
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let title = layer.error == nil ? layer.name : "\(layer.name) (shader error)"
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let checkbox = NSButton(checkboxWithTitle: title, target: self, action: #selector(toggled(_:)))
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checkbox.state = layer.enabled ? .on : .off
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checkbox.tag = layerIndex
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checkbox.font = .systemFont(ofSize: 13, weight: .medium)
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stack.addArrangedSubview(checkbox)
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guard layer.enabled else { continue }
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for (paramIndex, param) in layer.params.enumerated() {
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let slider = NSSlider(value: Double(param.value), minValue: Double(param.min), maxValue: Double(param.max),
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target: self, action: #selector(sliderMoved(_:)))
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slider.tag = layerIndex * maxParams + paramIndex
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slider.controlSize = .small
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stack.addArrangedSubview(label(param.name))
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stack.addArrangedSubview(slider)
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slider.widthAnchor.constraint(equalTo: stack.widthAnchor).isActive = true
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}
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stack.setCustomSpacing(12, after: stack.arrangedSubviews.last!)
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}
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if renderer.layers.isEmpty { stack.addArrangedSubview(label("no .metal files found")) }
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stack.setCustomSpacing(16, after: stack.arrangedSubviews.last!)
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stack.addArrangedSubview(label("s screenshot\nr record\nq quit"))
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}
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func refreshStatus() {
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statusLabel.stringValue = renderer.status
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}
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@objc private func toggled(_ checkbox: NSButton) {
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renderer.setEnabled(checkbox.tag, checkbox.state == .on)
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}
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@objc private func sliderMoved(_ slider: NSSlider) {
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renderer.setParam(layer: slider.tag / maxParams, param: slider.tag % maxParams, value: Float(slider.doubleValue))
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}
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}
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