Terminal-based user interface toolkit
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package cview
import (
"github.com/gdamore/tcell"
"gitlab.com/tslocum/cbind"
)
// Key defines the keyboard shortcuts of an application.
type Key struct {
Select []string
SelectAlt []string // SelectAlt is also used when not focusing a text input.
Cancel []string
MoveUp []string
MoveDown []string
MoveLeft []string
MoveRight []string
MoveFirst []string
MoveLast []string
MovePreviousField []string
MoveNextField []string
MovePreviousPage []string
MoveNextPage []string
ShowContextMenu []string
}
// Keys defines the keyboard shortcuts of an application.
var Keys = Key{
Select: []string{"Enter", "Ctrl+J"}, // Ctrl+J = keypad enter
SelectAlt: []string{"Space"},
Cancel: []string{"Escape"},
MoveUp: []string{"Up", "k"},
MoveDown: []string{"Down", "j"},
MoveLeft: []string{"Left", "h"},
MoveRight: []string{"Right", "l"},
MoveFirst: []string{"Home", "g"},
MoveLast: []string{"End", "G"},
MovePreviousField: []string{"Backtab"},
MoveNextField: []string{"Tab"},
MovePreviousPage: []string{"PageUp", "Ctrl+B"},
MoveNextPage: []string{"PageDown", "Ctrl+F"},
ShowContextMenu: []string{"Alt+Enter"},
}
// HitShortcut returns whether the EventKey provided is present in one or more
// sets of keybindings.
func HitShortcut(event *tcell.EventKey, keybindings ...[]string) bool {
enc, err := cbind.Encode(event.Modifiers(), event.Key(), event.Rune())
if err != nil {
return false
}
for _, binds := range keybindings {
for _, key := range binds {
if key == enc {
return true
}
}
}
return false
}