Split into category packages; module github.com/ZacharyZhang-NY/MujicaUI

chat/send_button.go

@@ -0,0 +1,73 @@
+package chat
+
+import (
+	"log/slog"
+
+	"github.com/egoist/mygo/ui"
+
+	"github.com/ZacharyZhang-NY/MujicaUI/core"
+	"github.com/ZacharyZhang-NY/MujicaUI/icons"
+	"github.com/ZacharyZhang-NY/MujicaUI/internal"
+	"github.com/ZacharyZhang-NY/MujicaUI/theme"
+)
+
+// SendButtonOptions configure a SendButton.
+type SendButtonOptions struct {
+	// Streaming selects Stop while the caller generates a reply.
+	Streaming bool
+	// Disabled blocks sending; Stop remains available.
+	Disabled bool
+	// Shortcut supplies tooltip text; empty hides the hint.
+	Shortcut string
+}
+
+// SendResult carries the button and requested action.
+type SendResult struct {
+	Element    *ui.Element
+	send, stop bool
+}
+
+// Sent requests sending; Stopped requests generation cancellation.
+func (r SendResult) Sent() bool    { return r.send }
+func (r SendResult) Stopped() bool { return r.stop }
+
+// SendButton sends the prompt, or stops the reply while streaming.
+func SendButton(c *ui.Context, opts SendButtonOptions) SendResult {
+	k := core.Tokens(c)
+	h := core.Density(c).ControlHeight()
+	label, icon := core.Msg(c, "send_button.send"), "arrow-up"
+	if opts.Streaming {
+		label, icon = core.Msg(c, "send_button.stop"), "square"
+	}
+	tip := label
+	if opts.Shortcut != "" && !opts.Streaming {
+		tip += " (" + opts.Shortcut + ")"
+	}
+	var r SendResult
+	var b *ui.Element
+	r.Element = ui.Row(c).Shrink(0).Disabled(opts.Disabled && !opts.Streaming)
+	r.Element.Children(func() {
+		b = ui.ButtonBase(c).Size(h, h).Radius(h / 2).Label(label).Tooltip(tip).Transition(core.ColorFade)
+		internal.Ring(b, k.Focus, h/2)
+		bg, fg := k.Accent, k.OnAccent
+		switch {
+		case opts.Streaming:
+			bg, fg = k.Surface, k.Text
+			b.Border(theme.BorderWidth, k.ControlBorder)
+			if b.Hovered() {
+				bg = k.SurfaceHover
+			}
+		case b.Pressed():
+			bg = k.AccentPressed
+		case b.Hovered():
+			bg = k.AccentHover
+		}
+		b.Background(bg).TextColor(fg)
+		b.Children(func() { ui.Icon(c, icons.Must(icon)).Size(16, 16) })
+	})
+	if b.Clicked() && !b.IsDisabled() {
+		r.send, r.stop = !opts.Streaming, opts.Streaming
+		slog.Debug("mujica: send_button press", "stop", r.stop)
+	}
+	return r
+}