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// Copyright (C) 2024 Rubén Beltrán del Río
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see https://map.tranquil.systems.
import AppKit
class HoverView: NSView {
weak var controller: MapTextEditorController?
private let action: () -> Void
init(
message: String,
action: @escaping () -> Void,
actionLabel: String = String(localized: "map_editor.add_missing_component"),
controller: MapTextEditorController
) {
self.controller = controller
self.action = action
super.init(frame: .zero)
setupView(message: message, actionLabel: actionLabel)
setupTrackingArea()
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
private func setupView(message: String, actionLabel: String) {
let box = NSBox()
box.boxType = .custom
box.borderType = .lineBorder
box.cornerRadius = 8
box.borderColor = NSColor.separatorColor
box.fillColor = NSColor.controlBackgroundColor
addSubview(box)
box.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
box.topAnchor.constraint(equalTo: topAnchor),
box.leadingAnchor.constraint(equalTo: leadingAnchor),
box.trailingAnchor.constraint(equalTo: trailingAnchor),
box.bottomAnchor.constraint(equalTo: bottomAnchor),
])
let label = NSTextField(labelWithString: message)
label.font = NSFont.Theme.SmallControl.regular
label.textColor = NSColor.labelColor
label.backgroundColor = .clear
let button = NSButton(title: actionLabel, target: self, action: #selector(buttonClicked))
button.bezelStyle = .accessoryBarAction
button.font = NSFont.Theme.SmallControl.emphasized
button.controlSize = .mini
// Configure button for hover and active states
button.wantsLayer = true
button.layer?.cornerRadius = 4
// Set up tracking area for button hover effects
let buttonTrackingArea = NSTrackingArea(
rect: button.bounds,
options: [.mouseEnteredAndExited, .activeInKeyWindow, .inVisibleRect],
owner: button,
userInfo: nil
)
button.addTrackingArea(buttonTrackingArea)
addSubview(label)
addSubview(button)
label.translatesAutoresizingMaskIntoConstraints = false
button.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
label.centerYAnchor.constraint(equalTo: centerYAnchor),
label.leadingAnchor.constraint(equalTo: leadingAnchor, constant: 8),
button.firstBaselineAnchor.constraint(equalTo: label.firstBaselineAnchor),
button.leadingAnchor.constraint(equalTo: label.trailingAnchor, constant: 8),
button.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -8),
heightAnchor.constraint(equalToConstant: 32),
])
}
private func setupTrackingArea() {
let trackingArea = NSTrackingArea(
rect: bounds,
options: [.mouseEnteredAndExited, .mouseMoved, .activeInKeyWindow, .inVisibleRect],
owner: self,
userInfo: nil
)
addTrackingArea(trackingArea)
}
@objc private func buttonClicked() {
action()
}
override func mouseEntered(with event: NSEvent) {
super.mouseEntered(with: event)
controller?.isHoveringHoverView = true
controller?.hoverTimer?.invalidate()
}
override func mouseExited(with event: NSEvent) {
super.mouseExited(with: event)
controller?.isHoveringHoverView = false
controller?.scheduleHideHoverView()
}
}
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