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mirror of https://github.com/qvacua/vimr.git synced 2024-12-03 00:54:42 +03:00
vimr/VimR/AppearancePref.swift
2017-11-10 12:31:26 +01:00

348 lines
12 KiB
Swift

/**
* Tae Won Ha - http://taewon.de - @hataewon
* See LICENSE
*/
import Cocoa
import PureLayout
import RxSwift
class AppearancePref: PrefPane, NSComboBoxDelegate, NSControlTextEditingDelegate {
typealias StateType = AppState
enum Action {
case setUsesColorscheme(Bool)
case setShowsFileIcon(Bool)
case setUsesLigatures(Bool)
case setFont(NSFont)
case setLinespacing(CGFloat)
}
override var displayName: String {
return "Appearance"
}
override var pinToContainer: Bool {
return true
}
override func windowWillClose() {
self.linespacingAction()
}
required init(source: Observable<StateType>, emitter: ActionEmitter, state: StateType) {
self.emit = emitter.typedEmit()
self.font = state.mainWindowTemplate.appearance.font
self.linespacing = state.mainWindowTemplate.appearance.linespacing
self.usesLigatures = state.mainWindowTemplate.appearance.usesLigatures
self.usesColorscheme = state.mainWindowTemplate.appearance.usesTheme
self.showsFileIcon = state.mainWindowTemplate.appearance.showsFileIcon
super.init(frame: .zero)
self.addViews()
self.updateViews()
source
.observeOn(MainScheduler.instance)
.subscribe(onNext: { state in
let appearance = state.mainWindowTemplate.appearance
guard self.font != appearance.font
|| self.linespacing != appearance.linespacing
|| self.usesLigatures != appearance.usesLigatures
|| self.usesColorscheme != appearance.usesTheme
|| self.showsFileIcon != appearance.showsFileIcon else {
return
}
self.font = appearance.font
self.linespacing = appearance.linespacing
self.usesLigatures = appearance.usesLigatures
self.usesColorscheme = appearance.usesTheme
self.showsFileIcon = appearance.showsFileIcon
self.updateViews()
})
.disposed(by: self.disposeBag)
}
fileprivate let emit: (Action) -> Void
fileprivate let disposeBag = DisposeBag()
fileprivate var font: NSFont
fileprivate var linespacing: CGFloat
fileprivate var usesLigatures: Bool
fileprivate var usesColorscheme: Bool
fileprivate var showsFileIcon: Bool
fileprivate let colorschemeCheckbox = NSButton(forAutoLayout: ())
fileprivate let fileIconCheckbox = NSButton(forAutoLayout: ())
fileprivate let sizes = [9, 10, 11, 12, 13, 14, 16, 18, 24, 36, 48, 64]
fileprivate let sizeCombo = NSComboBox(forAutoLayout: ())
fileprivate let fontPopup = NSPopUpButton(frame: .zero, pullsDown: false)
fileprivate let linespacingField = NSTextField(forAutoLayout: ())
fileprivate let ligatureCheckbox = NSButton(forAutoLayout: ())
fileprivate let previewArea = NSTextView(frame: .zero)
fileprivate let exampleText =
"abcdefghijklmnopqrstuvwxyz\n" +
"ABCDEFGHIJKLMNOPQRSTUVWXYZ\n" +
"0123456789\n" +
"(){}[] +-*/= .,;:!?#&$%@|^\n" +
"<- -> => >> << >>= =<< .. \n" +
":: -< >- -<< >>- ++ /= =="
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
fileprivate func addViews() {
let paneTitle = self.paneTitleTextField(title: "Appearance")
let useColorscheme = self.colorschemeCheckbox
self.configureCheckbox(button: useColorscheme,
title: "Use Neovim's color scheme for main window and tools.",
action: #selector(AppearancePref.usesColorschemeAction(_:)))
let useColorschemeInfo = self.infoTextField(
markdown: "If checked, the colors of the selected `colorscheme` will be \n" +
"used to render tools, e.g. the file browser."
)
let fileIcon = self.fileIconCheckbox
self.configureCheckbox(button: fileIcon,
title: "Show file icons",
action: #selector(AppearancePref.fileIconAction(_:)))
let fileIconInfo = self.infoTextField(
markdown: "In case the selected `colorscheme` does not play well with the file icons \n" +
"in the file browser and the buffer list, you can turn them off."
)
let fontTitle = self.titleTextField(title: "Default Font:")
let fontPopup = self.fontPopup
fontPopup.target = self
fontPopup.action = #selector(AppearancePref.fontPopupAction)
// This takes approx. 0.8s - 1s on my machine... -_-
Observable
.just(1)
.observeOn(SerialDispatchQueueScheduler(qos: .background))
.map { _ in sharedFontManager.availableFontNames(with: .fixedPitchFontMask)! }
.observeOn(MainScheduler.instance)
.subscribe(onNext: {
fontPopup.addItems(withTitles: $0)
self.updateViews()
})
.disposed(by: self.disposeBag)
let sizeCombo = self.sizeCombo
sizeCombo.delegate = self
sizeCombo.target = self
sizeCombo.action = #selector(AppearancePref.sizeComboBoxDidEnter(_:))
self.sizes.forEach { string in
sizeCombo.addItem(withObjectValue: string)
}
let linespacingTitle = self.titleTextField(title: "Line Spacing:")
let linespacingField = self.linespacingField
let ligatureCheckbox = self.ligatureCheckbox
self.configureCheckbox(button: ligatureCheckbox,
title: "Use Ligatures",
action: #selector(AppearancePref.usesLigaturesAction(_:)))
let previewArea = self.previewArea
previewArea.isEditable = true
previewArea.maxSize = CGSize(width: CGFloat.greatestFiniteMagnitude, height: CGFloat.greatestFiniteMagnitude)
previewArea.isVerticallyResizable = true
previewArea.isHorizontallyResizable = true
previewArea.textContainer?.heightTracksTextView = false
previewArea.textContainer?.widthTracksTextView = false
previewArea.autoresizingMask = [.width, .height]
previewArea.textContainer?.containerSize = CGSize(width: CGFloat.greatestFiniteMagnitude,
height: CGFloat.greatestFiniteMagnitude)
previewArea.layoutManager?.replaceTextStorage(NSTextStorage(string: self.exampleText))
previewArea.isRichText = false
previewArea.turnOffLigatures(self)
let previewScrollView = NSScrollView(forAutoLayout: ())
previewScrollView.hasVerticalScroller = true
previewScrollView.hasHorizontalScroller = true
previewScrollView.autohidesScrollers = true
previewScrollView.borderType = .bezelBorder
previewScrollView.documentView = previewArea
self.addSubview(paneTitle)
self.addSubview(useColorscheme)
self.addSubview(useColorschemeInfo)
self.addSubview(fileIcon)
self.addSubview(fileIconInfo)
self.addSubview(fontTitle)
self.addSubview(fontPopup)
self.addSubview(sizeCombo)
self.addSubview(linespacingTitle)
self.addSubview(linespacingField)
self.addSubview(ligatureCheckbox)
self.addSubview(previewScrollView)
paneTitle.autoPinEdge(toSuperviewEdge: .top, withInset: 18)
paneTitle.autoPinEdge(toSuperviewEdge: .left, withInset: 18)
useColorscheme.autoPinEdge(.left, to: .right, of: fontTitle, withOffset: 5)
useColorscheme.autoPinEdge(.top, to: .bottom, of: paneTitle, withOffset: 18)
useColorschemeInfo.autoPinEdge(.top, to: .bottom, of: useColorscheme, withOffset: 5)
useColorschemeInfo.autoPinEdge(.left, to: .left, of: useColorscheme)
fileIcon.autoPinEdge(.left, to: .right, of: fontTitle, withOffset: 5)
fileIcon.autoPinEdge(.top, to: .bottom, of: useColorschemeInfo, withOffset: 18)
fileIconInfo.autoPinEdge(.top, to: .bottom, of: fileIcon, withOffset: 5)
fileIconInfo.autoPinEdge(.left, to: .left, of: fileIcon)
fontTitle.autoPinEdge(toSuperviewEdge: .left, withInset: 18, relation: .greaterThanOrEqual)
fontTitle.autoAlignAxis(.baseline, toSameAxisOf: fontPopup)
fontPopup.autoPinEdge(.top, to: .bottom, of: fileIconInfo, withOffset: 18)
fontPopup.autoPinEdge(.left, to: .right, of: fontTitle, withOffset: 5)
fontPopup.autoSetDimension(.width, toSize: 240)
sizeCombo.autoSetDimension(.width, toSize: 60)
// If we use .Baseline the combo box is placed one pixel off...
sizeCombo.autoAlignAxis(.horizontal, toSameAxisOf: fontPopup)
sizeCombo.autoPinEdge(.left, to: .right, of: fontPopup, withOffset: 5)
linespacingTitle.autoPinEdge(toSuperviewEdge: .left, withInset: 18, relation: .greaterThanOrEqual)
linespacingTitle.autoPinEdge(.right, to: .right, of: fontTitle)
linespacingTitle.autoAlignAxis(.baseline, toSameAxisOf: linespacingField)
linespacingField.autoPinEdge(.top, to: .bottom, of: sizeCombo, withOffset: 18)
linespacingField.autoPinEdge(.left, to: .right, of: linespacingTitle, withOffset: 5)
linespacingField.autoSetDimension(.width, toSize: 60)
NotificationCenter.default.addObserver(forName: NSControl.textDidEndEditingNotification,
object: linespacingField,
queue: nil) { [unowned self] _ in
self.linespacingAction()
}
ligatureCheckbox.autoPinEdge(.top, to: .bottom, of: linespacingField, withOffset: 18)
ligatureCheckbox.autoPinEdge(.left, to: .right, of: fontTitle, withOffset: 5)
previewScrollView.autoSetDimension(.height, toSize: 200, relation: .greaterThanOrEqual)
previewScrollView.autoPinEdge(.top, to: .bottom, of: ligatureCheckbox, withOffset: 18)
previewScrollView.autoPinEdge(toSuperviewEdge: .right, withInset: 18)
previewScrollView.autoPinEdge(toSuperviewEdge: .bottom, withInset: 18)
previewScrollView.autoPinEdge(toSuperviewEdge: .left, withInset: 18)
}
fileprivate func updateViews() {
self.fontPopup.selectItem(withTitle: self.font.fontName)
self.sizeCombo.stringValue = String(Int(self.font.pointSize))
self.linespacingField.stringValue = String(format: "%.2f", self.linespacing)
self.ligatureCheckbox.boolState = self.usesLigatures
self.previewArea.font = self.font
self.colorschemeCheckbox.boolState = self.usesColorscheme
self.fileIconCheckbox.boolState = self.showsFileIcon
if self.usesLigatures {
self.previewArea.useAllLigatures(self)
} else {
self.previewArea.turnOffLigatures(self)
}
}
}
// MARK: - Actions
extension AppearancePref {
@objc func usesColorschemeAction(_ sender: NSButton) {
self.emit(.setUsesColorscheme(sender.boolState))
}
@objc func fileIconAction(_ sender: NSButton) {
self.emit(.setShowsFileIcon(sender.boolState))
}
@objc func usesLigaturesAction(_ sender: NSButton) {
self.emit(.setUsesLigatures(sender.boolState))
}
@objc func fontPopupAction(_ sender: NSPopUpButton) {
guard let selectedItem = self.fontPopup.selectedItem else {
return
}
guard selectedItem.title != self.font.fontName else {
return
}
guard let newFont = NSFont(name: selectedItem.title, size: self.font.pointSize) else {
return
}
self.emit(.setFont(newFont))
}
func comboBoxSelectionDidChange(_ notification: Notification) {
guard (notification.object as! NSComboBox) === self.sizeCombo else {
return
}
let newFontSize = self.cappedFontSize(Int(self.sizes[self.sizeCombo.indexOfSelectedItem]))
let newFont = sharedFontManager.convert(self.font, toSize: newFontSize)
self.emit(.setFont(newFont))
}
@objc func sizeComboBoxDidEnter(_ sender: AnyObject!) {
let newFontSize = self.cappedFontSize(self.sizeCombo.integerValue)
let newFont = sharedFontManager.convert(self.font, toSize: newFontSize)
self.emit(.setFont(newFont))
}
func linespacingAction() {
let newLinespacing = self.cappedLinespacing(self.linespacingField.floatValue)
self.emit(.setLinespacing(newLinespacing))
}
fileprivate func cappedLinespacing(_ linespacing: Float) -> CGFloat {
let cgfLinespacing = CGFloat(linespacing)
guard cgfLinespacing >= NeoVimView.minLinespacing else {
return NeoVimView.defaultLinespacing
}
guard cgfLinespacing <= NeoVimView.maxLinespacing else {
return NeoVimView.maxLinespacing
}
return cgfLinespacing
}
fileprivate func cappedFontSize(_ size: Int) -> CGFloat {
let cgfSize = CGFloat(size)
guard cgfSize >= NeoVimView.minFontSize else {
return NeoVimView.defaultFont.pointSize
}
guard cgfSize <= NeoVimView.maxFontSize else {
return NeoVimView.maxFontSize
}
return cgfSize
}
}
fileprivate let sharedFontManager = NSFontManager.shared