Files
Grapp/src/SearchViewController.swift
T

516 lines
19 KiB
Swift

import AppKit
import Carbon
// NOTE: This is the corner radius of the backgrounView view that acts as
// a window frame.
fileprivate let windowCornerRadius = 15.0
// NOTE: This is the maximum number of elements shown when searching.
fileprivate let maxItems = 20
class SearchViewController: NSViewController, NSTextFieldDelegate,
NSTableViewDataSource, NSTableViewDelegate
{
private var keyboardEvents: EventMonitor?
private var listIndex = 0
private var programsList: [Program] = []
private var programsListCells: [ProgramsTableViewCell] = []
private var programsTableViewSelection = 0
private var shadowView: ShadowView = {
let view = ShadowView()
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
private var backgroundView: NSVisualEffectView = {
let effect = NSVisualEffectView()
effect.blendingMode = .behindWindow
effect.state = .active
effect.material = .popover
effect.wantsLayer = true
effect.layer?.masksToBounds = true
effect.layer?.borderWidth = 1
effect.layer?.cornerRadius = windowCornerRadius
effect.translatesAutoresizingMaskIntoConstraints = false
return effect
}()
private var contentView: NSView = {
let view = NSView()
// Clip all content to window's rounded frame emulated by
// backgroundView.
view.wantsLayer = true
view.layer?.masksToBounds = true
view.layer?.cornerRadius = windowCornerRadius
view.translatesAutoresizingMaskIntoConstraints = false
return view
}()
private var searchInput: EditableNSTextField = {
let textField = EditableNSTextField()
textField.isBezeled = false
textField.maximumNumberOfLines = 1
textField.usesSingleLineMode = true
textField.lineBreakMode = .byTruncatingHead
textField.focusRingType = .none
textField.placeholderString = "Program Search"
textField.isAutomaticTextCompletionEnabled = false
textField.bezelStyle = .roundedBezel
textField.font = NSFont
.systemFont(ofSize: NSFontDescriptor
.preferredFontDescriptor(forTextStyle: .largeTitle).pointSize,
weight: .medium)
textField.translatesAutoresizingMaskIntoConstraints = false
return textField
}()
private var settingsButton: NSButton = {
let button = NSButton()
button.image = systemImage("gear.circle.fill", .title1, .large,
.init(paletteColors: [.white, .systemGray]))
button.isBordered = false
button.action = #selector(openSettings)
button.sizeToFit()
button.toolTip = "Quit"
button.translatesAutoresizingMaskIntoConstraints = false
return button
}()
private var tableScrollView: NSScrollView = {
let scroll = NSScrollView()
scroll.automaticallyAdjustsContentInsets = false
scroll.contentInsets = NSEdgeInsets(top: 0, left: 0,
bottom: ViewConstants.spacing10,
right: 0)
scroll.drawsBackground = false
scroll.translatesAutoresizingMaskIntoConstraints = false
return scroll
}()
private var programsTableView: ProgramsTableView = {
let table = ProgramsTableView()
table.style = .plain
table.intercellSpacing = NSSize.zero
table.backgroundColor = .clear
table.usesAutomaticRowHeights = true
table.headerView = nil
table.allowsMultipleSelection = false
table.allowsColumnReordering = false
table.allowsColumnResizing = false
table.allowsColumnSelection = false
table.addTableColumn(
NSTableColumn(
identifier: NSUserInterfaceItemIdentifier("Program")
)
)
table.doubleAction = #selector(tableDoubleClick)
table.translatesAutoresizingMaskIntoConstraints = false
return table
}()
private func addSubviews() {
view.addSubview(shadowView)
view.addSubview(backgroundView)
view.addSubview(contentView)
contentView.addSubview(searchInput)
contentView.addSubview(settingsButton)
contentView.addSubview(tableScrollView)
}
var tableViewHeightAnchor: NSLayoutConstraint?
private func setConstraints() {
tableViewHeightAnchor = tableScrollView.heightAnchor
.constraint(equalToConstant: 0)
tableViewHeightAnchor?.isActive = true
NSLayoutConstraint.activate([
view.topAnchor
.constraint(equalTo: contentView.topAnchor, constant: -100),
view.bottomAnchor
.constraint(equalTo: contentView.bottomAnchor,
constant: 100),
view.leadingAnchor
.constraint(equalTo: contentView.leadingAnchor,
constant: -100),
view.trailingAnchor
.constraint(equalTo: contentView.trailingAnchor,
constant: 100),
shadowView.topAnchor
.constraint(equalTo: backgroundView.topAnchor),
shadowView.bottomAnchor
.constraint(equalTo: backgroundView.bottomAnchor),
shadowView.leadingAnchor
.constraint(equalTo: backgroundView.leadingAnchor),
shadowView.trailingAnchor
.constraint(equalTo: backgroundView.trailingAnchor),
backgroundView.topAnchor
.constraint(equalTo: contentView.topAnchor),
backgroundView.bottomAnchor
.constraint(equalTo: contentView.bottomAnchor),
backgroundView.leadingAnchor
.constraint(equalTo: contentView.leadingAnchor),
backgroundView.trailingAnchor
.constraint(equalTo: contentView.trailingAnchor),
searchInput.widthAnchor
.constraint(equalToConstant: 400),
searchInput.topAnchor
.constraint(equalTo: contentView.topAnchor,
constant: ViewConstants.spacing10),
searchInput.leadingAnchor
.constraint(equalTo: contentView.leadingAnchor,
constant: ViewConstants.spacing15),
settingsButton.centerYAnchor
.constraint(equalTo: searchInput.centerYAnchor),
settingsButton.leadingAnchor
.constraint(equalTo: searchInput.trailingAnchor,
constant: ViewConstants.spacing5),
settingsButton.trailingAnchor
.constraint(equalTo: contentView.trailingAnchor,
constant: -ViewConstants.spacing10),
tableScrollView.topAnchor
.constraint(equalTo: searchInput.bottomAnchor,
constant: ViewConstants.spacing10),
tableScrollView.bottomAnchor
.constraint(equalTo: contentView.bottomAnchor),
tableScrollView.leadingAnchor
.constraint(equalTo: contentView.leadingAnchor),
tableScrollView.trailingAnchor
.constraint(equalTo: contentView.trailingAnchor)
])
}
override func viewDidLoad() {
super.viewDidLoad()
// NOTE: This needs removeObserver on deinit. However, technically
// it doesn't matter because if this view controller doesn't
// exists, then the whole program is pointless. So, let the OS
// clean it up when the program is killed.
DistributedNotificationCenter.default
.addObserver(self, selector: #selector(osThemeChanged(sender:)),
name: NSNotification
.Name(rawValue: "AppleInterfaceThemeChangedNotification"),
object: nil)
// Initialize an array of programs and reusable cells.
for i in 0..<maxItems {
programsList.append(Program())
let cell = ProgramsTableViewCell()
cell.indexLabel.stringValue = "\(i+1)"
programsListCells.append(cell)
}
updateViewsBasedOnOSTheme()
view.wantsLayer = true
view.layer?.backgroundColor = NSColor.clear.cgColor
keyboardEvents = LocalEventMonitor(mask: [.keyDown])
{ [weak self] event in
let key = event.keyCode
let modifiers = event.modifierFlags.rawValue
if let controller = self {
if modsContains(keys: OSCtrl, in: modifiers) &&
key == kVK_ANSI_P ||
modsContainsNone(in: modifiers) && key == kVK_UpArrow
{
controller.programsTableViewSelection -= 1
} else if modsContains(keys: OSCtrl, in: modifiers) &&
key == kVK_ANSI_N ||
modsContainsNone(in: modifiers) && key == kVK_DownArrow
{
controller.programsTableViewSelection += 1
} else if modsContains(keys: OSCtrl | OSCmd, in: modifiers) &&
key == kVK_ANSI_P ||
modsContains(keys: OSCmd, in: modifiers) &&
key == kVK_UpArrow
{
controller.programsTableViewSelection = 0
} else if modsContains(keys: OSCtrl | OSCmd, in: modifiers) &&
key == kVK_ANSI_N ||
modsContains(keys: OSCmd, in: modifiers) &&
key == kVK_DownArrow
{
controller.programsTableViewSelection = controller.listIndex-1
} else if modsContains(keys: OSCmd, in: modifiers) &&
isNumericalCode(key)
{
if key == kVK_ANSI_1
{ controller.programsTableViewSelection = 0 }
if key == kVK_ANSI_2
{ controller.programsTableViewSelection = 1 }
if key == kVK_ANSI_3
{ controller.programsTableViewSelection = 2 }
if key == kVK_ANSI_4
{ controller.programsTableViewSelection = 3 }
if key == kVK_ANSI_5
{ controller.programsTableViewSelection = 4 }
if key == kVK_ANSI_6
{ controller.programsTableViewSelection = 5 }
if key == kVK_ANSI_7
{ controller.programsTableViewSelection = 6 }
if key == kVK_ANSI_8
{ controller.programsTableViewSelection = 7 }
if key == kVK_ANSI_9
{ controller.programsTableViewSelection = 8 }
}
if controller.programsTableViewSelection >
controller.listIndex-1
{
controller.programsTableViewSelection =
controller.listIndex-1
} else if controller.programsTableViewSelection < 0 {
controller.programsTableViewSelection = 0
}
let select = controller.programsTableViewSelection
self?.programsTableView
.selectRowIndexes(IndexSet(integer: select),
byExtendingSelection: false)
self?.programsTableView.scrollRowToVisible(select)
}
return event
}
searchInput.delegate = self
tableScrollView.documentView = programsTableView
programsTableView.dataSource = self
programsTableView.delegate = self
addSubviews()
setConstraints()
}
override func viewDidAppear() {
super.viewDidAppear()
keyboardEvents?.start()
centerWindow()
view.window?.makeFirstResponder(searchInput)
// searchInput select all text whenever window appears.
NSApp.sendAction(#selector(NSResponder.selectAll(_:)), to: nil,
from: self)
}
override func viewWillAppear() {
super.viewWillAppear()
PathManager.shared.touchPaths()
}
override func viewDidDisappear() {
super.viewDidDisappear()
keyboardEvents?.stop()
}
override func loadView() {
self.view = NSView()
}
func centerWindow() {
if let win = view.window, let scrn = NSScreen.main {
let x = (scrn.visibleFrame.origin.x +
scrn.visibleFrame.size.width / 2) -
(win.frame.size.width / 2)
let y = (scrn.visibleFrame.origin.y +
scrn.visibleFrame.size.height * 0.9) -
win.frame.size.height
view.window?.setFrameOrigin(NSPoint(x: x, y: y))
}
}
private func reloadProgramsTableViewData() {
if listIndex > 0 {
// TODO: Why is this located here, randomly? Make it a global
// config variable.
tableViewHeightAnchor?.constant = 250
} else {
tableViewHeightAnchor?.constant = 0
}
programsTableView.reloadData()
}
@objc
func openSettings() {
delegate.showSettingsWindow()
}
@objc
private func tableDoubleClick() {
let program = programsList[programsTableView.clickedRow]
openProgram(program)
}
private func openProgram(_ program: Program) {
let url = URL(fileURLWithPath: program.path)
.appendingPathComponent(program.name+program.ext)
let config = NSWorkspace.OpenConfiguration()
NSWorkspace.shared.openApplication(at: url, configuration: config)
DispatchQueue.main.async { [weak self] in
if let window = self?.view.window {
window.resignKey()
}
}
}
func controlTextDidChange(_ obj: Notification) {
guard let searchInput =
obj.object as? EditableNSTextField else { return }
listIndex = 0
if !searchInput.stringValue.isEmpty {
outerloop: for path in PathManager.shared.paths {
for i in path.value.indices {
if listIndex >= maxItems { break outerloop }
let prog = path.value[i]
if (prog.name.lowercased() + prog.ext)
.contains(searchInput.stringValue.lowercased())
{
programsList[listIndex].path = prog.path
programsList[listIndex].name = prog.name
programsList[listIndex].ext = prog.ext
programsList[listIndex].img = NSWorkspace.shared
.icon(forFile: URL(
fileURLWithPath: prog.path
).appendingPathComponent(
prog.name+prog.ext).path
)
listIndex += 1
}
}
}
}
reloadProgramsTableViewData()
programsTableViewSelection = 0
programsTableView.selectRowIndexes(
IndexSet(integer: programsTableViewSelection),
byExtendingSelection: false
)
programsTableView.scrollRowToVisible(programsTableViewSelection)
}
func control(_ control: NSControl, textView: NSTextView,
doCommandBy commandSelector: Selector) -> Bool
{
if commandSelector == #selector(NSResponder.insertNewline(_:)) {
if listIndex > 0 {
let program = programsList[programsTableViewSelection]
openProgram(program)
NSApp.sendAction(#selector(NSResponder.selectAll(_:)),
to: nil, from: self)
}
return true
} else if commandSelector == #selector(NSResponder.insertTab(_:)) {
return true
} else if commandSelector == #selector(NSResponder.moveUp(_:)) ||
commandSelector == #selector(NSResponder.moveDown(_:))
{
// Ignore arrows up and down because we use those to navigate
// the programs list.
return true
} else if commandSelector ==
#selector(NSResponder.moveToBeginningOfDocument(_:))
{
// Ignore command plus up and down arrows because we use those
// to move to the beginning and end of the list.
return true
}
return false
}
func popoverWillShow(_ notification: Notification) {
searchInput.abortEditing()
}
func popoverWillClose(_ notification: Notification) {
searchInput.becomeFirstResponder()
}
func numberOfRows(in tableView: NSTableView) -> Int {
return listIndex
}
func tableView(_ tableView: NSTableView,
rowViewForRow row: Int) -> NSTableRowView?
{
return ProgramsTableRowView()
}
func tableView(_ tableView: NSTableView,
viewFor tableColumn: NSTableColumn?,
row: Int) -> NSView?
{
let cell = programsListCells[row]
let program = programsList[row]
let app = program.name + program.ext
let rangeToHighlight =
(app.lowercased() as NSString).range(
of: searchInput.stringValue.lowercased()
)
let attributedString = NSMutableAttributedString(string: app)
attributedString
.addAttributes([.backgroundColor:
NSColor.systemYellow.withAlphaComponent(0.5)],
range: rangeToHighlight)
cell.titleField.attributedStringValue = attributedString
cell.progPathLabel.stringValue = program.path
cell.appIconImage.image = program.img
cell.id = row
return cell
}
func tableViewSelectionDidChange(_ notification: Notification) {
if programsTableView.selectedRow != programsTableViewSelection {
programsTableViewSelection = programsTableView.selectedRow
}
}
@objc func osThemeChanged(sender: NSNotification) {
updateViewsBasedOnOSTheme()
}
@objc func updateViewsBasedOnOSTheme() {
if NSApp.windows.first?.effectiveAppearance
.bestMatch(from: [.darkAqua, .vibrantDark]) == .darkAqua
{ // dark
backgroundView.layer?.borderColor =
NSColor.white.withAlphaComponent(0.2).cgColor
} else { // light
backgroundView.layer?.borderColor =
NSColor.black.withAlphaComponent(0.2).cgColor
}
}
}