From 80fcfd3b917b5f08e5f0f468ffabb6499342b999 Mon Sep 17 00:00:00 2001
From: Shadowfacts <me@shadowfacts.net>
Date: Wed, 15 Jul 2020 22:52:15 -0400
Subject: [PATCH] Add link hover state and tooltip

---
 GeminiRenderer/RenderingBlockView.swift | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/GeminiRenderer/RenderingBlockView.swift b/GeminiRenderer/RenderingBlockView.swift
index 230b319..571f1d0 100644
--- a/GeminiRenderer/RenderingBlockView.swift
+++ b/GeminiRenderer/RenderingBlockView.swift
@@ -11,6 +11,7 @@ import GeminiFormat
 struct RenderingBlockView: View {
     let block: RenderingBlock
     let changeURL: ((URL) -> Void)?
+    @State var hovering = false
     
     init(block: RenderingBlock, changeURL: ((URL) -> Void)? = nil) {
         self.block = block
@@ -43,15 +44,25 @@ struct RenderingBlockView: View {
     
     private func link(_ url: URL, text: String?) -> some View {
         let text = text ?? url.absoluteString
-        return Button {
+        let button: some View = Button {
             self.changeURL?(url)
         } label: {
             Text(verbatim: text)
                 .font(.documentBody)
-                .foregroundColor(.blue)
+                .foregroundColor(hovering ? .blue : Color.blue.opacity(0.8))
                 .underline()
                 .frame(maxWidth: .infinity, alignment: .leading)
-        }.buttonStyle(LinkButtonStyle())
+        }
+            .buttonStyle(LinkButtonStyle())
+            .onHover { hovering in
+                self.hovering = hovering
+            }
+        
+        if #available(macOS 10.16, iOS 14.0, *) {
+            return AnyView(button.help(url.absoluteString))
+        } else {
+            return AnyView(button)
+        }
     }
     
     private func preformatted(_ text: String) -> some View {