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Add a copy button for messages #19

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Add a copy button for messages #19

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88 changes: 66 additions & 22 deletions fullmoon/ContentView.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ struct ContentView: View {
@FocusState var isPromptFocused: Bool
@State var currentThread: Thread?
@Namespace var bottomID
@State var activeMessage: Message?

var body: some View {
NavigationStack {
Expand All @@ -31,27 +32,7 @@ struct ContentView: View {
ScrollView(.vertical) {
VStack(alignment: .leading, spacing: 0) {
ForEach(currentThread.sortedMessages) { message in
HStack {
if message.role == .user {
Spacer()
}

Markdown(message.content)
.textSelection(.enabled)
.if(message.role == .user) { view in
view
.padding(.horizontal, 16)
.padding(.vertical, 12)
.background(Color(UIColor.secondarySystemBackground))
.mask(RoundedRectangle(cornerRadius: 24))
}
.padding(message.role == .user ? .leading : .trailing, 48)

if message.role == .assistant {
Spacer()
}
}
.padding()
messageRow(message)
}

if llm.running && !llm.output.isEmpty {
Expand Down Expand Up @@ -220,8 +201,71 @@ struct ContentView: View {
.fontDesign(appManager.appFontDesign.getFontDesign())
.environment(\.dynamicTypeSize, appManager.appFontSize.getFontSize())
.fontWidth(appManager.appFontWidth.getFontWidth())
.animation(.smooth, value: activeMessage)
}


@ViewBuilder
fileprivate func messageRow(_ message: Message) -> some View {
var isActiveMessage = message == activeMessage

VStack(alignment: message.role == .user ? .trailing : .leading, spacing: 6) {
HStack {
if message.role == .user {
Spacer()
}

Markdown(message.content)
.textSelection(.enabled)
.if(message.role == .user) { view in
view
.padding(.horizontal, 16)
.padding(.vertical, 12)
.background(Color(UIColor.secondarySystemBackground))
.mask(RoundedRectangle(cornerRadius: 24))
}
.padding(message.role == .user ? .leading : .trailing, 48)

if message.role == .assistant {
Spacer()
}
}

messageActionButtons(message: message, isActive: isActiveMessage)
}
.padding()
.onHover { isHovering in
if isHovering {
self.activeMessage = message
} else {
self.activeMessage = nil
}
}
.contextMenu(menuItems: {
Button(action: {
copyMessage(message)
}, label: {
Label("Copy Message", systemImage: "document.on.document.fill")
})
})
}

func messageActionButtons(message: Message, isActive: Bool) -> some View {
// Always render but hide/disable when not active so view doesnt jump around
HStack {
Button(action: {
copyMessage(message)
}, label: {
Image(systemName: "document.on.document.fill")
})
}
.opacity(isActive ? 1 : 0)
.disabled(!isActive)
}

func copyMessage(_ message: Message) {
UIPasteboard.general.string = message.content
}

var chatTitle: String {
if let currentThread = currentThread {
if let firstMessage = currentThread.sortedMessages.first {
Expand Down