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100 lines
1.9 KiB
Go
100 lines
1.9 KiB
Go
package ui
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import (
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"context"
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"github.com/edouardparis/lntop/app"
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"github.com/edouardparis/lntop/ui/views"
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"github.com/jroimartin/gocui"
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)
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type controller struct {
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app *app.App
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views *views.Views
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}
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func (c *controller) layout(g *gocui.Gui) error {
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maxX, maxY := g.Size()
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return c.views.Layout(g, maxX, maxY)
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}
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func cursorDown(g *gocui.Gui, v *gocui.View) error {
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if v != nil {
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cx, cy := v.Cursor()
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if err := v.SetCursor(cx, cy+1); err != nil {
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ox, oy := v.Origin()
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if err := v.SetOrigin(ox, oy+1); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func cursorUp(g *gocui.Gui, v *gocui.View) error {
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if v != nil {
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ox, oy := v.Origin()
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cx, cy := v.Cursor()
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if err := v.SetCursor(cx, cy-1); err != nil && oy > 0 {
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if err := v.SetOrigin(ox, oy-1); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (c *controller) Update(ctx context.Context) error {
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info, err := c.app.Network.Info(ctx)
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if err != nil {
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return err
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}
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alias := info.Alias
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if c.app.Config.Network.Name != "" {
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alias = c.app.Config.Network.Name
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}
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c.views.Header.Update(alias, "lnd", info.Version)
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c.views.Summary.UpdateChannelsStats(
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info.NumPendingChannels,
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info.NumActiveChannels,
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info.NumInactiveChannels,
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)
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channels, err := c.app.Network.ListChannels(ctx)
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if err != nil {
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return err
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}
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c.views.Channels.Update(channels)
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return nil
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}
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func quit(g *gocui.Gui, v *gocui.View) error {
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return gocui.ErrQuit
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}
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func (c *controller) setKeyBinding(g *gocui.Gui) error {
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err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit)
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if err != nil {
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return err
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}
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err = g.SetKeybinding("", gocui.KeyArrowUp, gocui.ModNone, cursorUp)
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if err != nil {
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return err
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}
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err = g.SetKeybinding("", gocui.KeyArrowDown, gocui.ModNone, cursorDown)
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if err != nil {
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return err
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}
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return nil
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}
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func newController(app *app.App) *controller {
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return &controller{
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app: app,
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views: views.New(),
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}
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}
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