47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package main
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import (
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"github.com/jroimartin/gocui"
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)
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type Binding struct {
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Key interface{} // so both gocui.Key and rune work
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Mod gocui.Modifier
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Handler func(g *gocui.Gui, v *gocui.View) error
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}
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func (vc *ViewController) CursorUp(g *gocui.Gui, v *gocui.View) error {
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return MoveCursor(-1, vc, g, v)
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}
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func (vc *ViewController) CursorDown(g *gocui.Gui, v *gocui.View) error {
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return MoveCursor(1, vc, g, v)
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}
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func MoveCursor(mod int, vc *ViewController, g *gocui.Gui, v *gocui.View) error {
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if v == nil {
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return nil
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}
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cx, cy := v.Cursor()
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// get peers
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ps := vc.State.(*PeersState)
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peers := ps.list
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// Don't go beyond available list of peers
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if cy+mod >= len(peers) || cy+mod < 0 {
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return nil
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}
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// update currently selected peer in the list
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ps.selected = &peers[cy+mod]
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writePeerDetails(g, ps.selected)
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if err := v.SetCursor(cx, cy+mod); err != nil {
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if mod == -1 {
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return nil
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}
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ox, oy := v.Origin()
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if err := v.SetOrigin(ox, oy+mod); err != nil {
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return err
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}
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}
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return nil
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}
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