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Make new tab button images vibrant

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This makes them blend better with the background in windows with
transparency.
This commit is contained in:
Pete Schaffner
2024-02-11 00:55:33 +01:00
parent 3b6bac0121
commit 1bcec0d49f
1 changed files with 21 additions and 27 deletions
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48
macos/Sources/Features/Terminal/TerminalWindow.swift
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@ -30,7 +30,7 @@ class TerminalWindow: NSWindow {
private var windowButtonsBackdrop: WindowButtonsBackdropView? = nil
private var windowDragHandle: WindowDragView? = nil
private var storedTitlebarBackgroundColor: CGColor? = nil
private var newTabButtonImage: NSImage? = nil
private var newTabButtonImageLayer: VibrantLayer? = nil
// The tab bar controller ID from macOS
static private let TabBarController = NSUserInterfaceItemIdentifier("_tabBarController")
@ -84,7 +84,7 @@ class TerminalWindow: NSWindow {
// Reset the new tab button image so that we are sure to generate a fresh
// one, tinted appropriately for the given theme.
self.newTabButtonImage = nil
self.newTabButtonImageLayer = nil
// We have to wait before setting the titleVisibility or else it prevents
// the window from hiding the tab bar when we get down to a single tab.
@ -215,9 +215,6 @@ class TerminalWindow: NSWindow {
// Color the new tab button's image to match the color of the tab title/keyboard shortcut labels,
// just as it does in the stock tab bar.
//
// One issue I haven't been able to fix is that their tint is made grey when the window isn't key,
// which doesn't look great and is made worse by the fact that the tab label colors don't change.
guard let titlebarContainer = contentView?.superview?.subviews.first(where: {
$0.className == "NSTitlebarContainerView"
}) else { return }
@ -225,34 +222,31 @@ class TerminalWindow: NSWindow {
guard let newTabButtonImageView: NSImageView = newTabButton.subviews.first(where: {
$0 as? NSImageView != nil
}) as? NSImageView else { return }
guard let newTabButtonImage = newTabButtonImageView.image else { return }
guard let storedTitlebarBackgroundColor, let isLightTheme = NSColor(cgColor: storedTitlebarBackgroundColor)?.isLightColor else { return }
if newTabButtonImage == nil {
guard let image = newTabButtonImageView.image,
let storedTitlebarBackgroundColor,
let titlebarBackgroundColor = NSColor(cgColor: storedTitlebarBackgroundColor) else { return }
let isLightTheme = titlebarBackgroundColor.isLightColor
let newImage = NSImage(size: image.size, flipped: false) { rect in
NSGraphicsContext.saveGraphicsState()
titlebarBackgroundColor.darken(by: isLightTheme ? 0.1 : 0.5).setFill()
rect.fill()
NSColor.secondaryLabelColor.setFill()
rect.fill(using: titlebarBackgroundColor.isLightColor ? .plusDarker : .plusLighter)
NSGraphicsContext.restoreGraphicsState()
image.draw(in: rect, from: .zero, operation: .destinationAtop, fraction: 1.0)
if newTabButtonImageLayer == nil {
let fillColor: NSColor = isLightTheme ? .black.withAlphaComponent(0.85) : .white.withAlphaComponent(0.85)
let newImage = NSImage(size: newTabButtonImage.size, flipped: false) { rect in
newTabButtonImage.draw(in: rect)
fillColor.setFill()
rect.fill(using: .sourceAtop)
return true
}
let imageLayer = VibrantLayer(forAppearance: isLightTheme ? .light : .dark)!
imageLayer.frame = NSRect(origin: NSPoint(x: newTabButton.bounds.midX - newTabButtonImage.size.width/2, y: newTabButton.bounds.midY - newTabButtonImage.size.height/2), size: newTabButtonImage.size)
imageLayer.contentsGravity = .resizeAspect
imageLayer.contents = newImage
imageLayer.opacity = 0.5
newTabButtonImage = newImage
newTabButtonImageLayer = imageLayer
}
newTabButtonImageView.image = newTabButtonImage
newTabButtonImageView.layer?.addSublayer(newTabButtonImageLayer!)
newTabButtonImageView.image = nil
// When we nil out the original image, the image view's frame resizes and repositions
// slightly, so we need to reset it to make sure our new image doesn't shift quickly.
newTabButtonImageView.frame = newTabButton.bounds
}
private func addWindowButtonsBackdrop(titlebarView: NSView, toolbarView: NSView) {