views: menu

ui/views/menu.go

@@ -0,0 +1,62 @@
+package views
+
+import (
+	"fmt"
+
+	"github.com/jroimartin/gocui"
+
+	"github.com/edouardparis/lntop/ui/color"
+)
+
+const (
+	MENU = "menu"
+)
+
+type Menu struct {
+	view *gocui.View
+}
+
+func (h Menu) Name() string {
+	return MENU
+}
+
+func (h *Menu) Wrap(v *gocui.View) view {
+	h.view = v
+	return h
+}
+
+func (h *Menu) CursorDown() error {
+	return cursorDown(h.view, 1)
+}
+
+func (h *Menu) CursorUp() error {
+	return cursorUp(h.view, 1)
+}
+
+func (h *Menu) CursorRight() error {
+	return nil
+}
+
+func (h *Menu) CursorLeft() error {
+	return nil
+}
+
+func (h Menu) Set(g *gocui.Gui, x0, y0, x1, y1 int) error {
+	var err error
+	h.view, err = g.SetView(MENU, x0-1, y0, x1, y1)
+	if err != nil {
+		if err != gocui.ErrUnknownView {
+			return err
+		}
+	}
+	h.view.Frame = false
+	fmt.Fprintln(h.view, fmt.Sprintf("lntop %s - (C) 2019 Edouard Paris", version))
+	fmt.Fprintln(h.view, "Released under the MIT License")
+	fmt.Fprintln(h.view, "")
+	fmt.Fprintln(h.view, fmt.Sprintf("%5s %s",
+		color.Cyan("F1 h:"), "show this menu screen"))
+	_, err = g.SetCurrentView(MENU)
+	return err
+}
+
+func NewMenu() *Menu { return &Menu{} }