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package gowid
import (
"fmt"
"strings"
tcell "github.com/gdamore/tcell/v2"
)
type Direction int
const (
Forwards = Direction(1)
Backwards = Direction(-1)
)
type Unit struct{}
type InvalidTypeToCompare struct {
LHS interface{}
RHS interface{}
}
var _ error = InvalidTypeToCompare{}
func (e InvalidTypeToCompare) Error() string {
return fmt.Sprintf("Cannot compare RHS %v of type %T with LHS %v of type %T", e.RHS, e.RHS, e.LHS, e.LHS)
}
type KeyValueError struct {
Base error
KeyVals map[string]interface{}
}
var _ error = KeyValueError{}
var _ error = (*KeyValueError)(nil)
func (e KeyValueError) Error() string {
kvs := make([]string, 0, len(e.KeyVals))
for k, v := range e.KeyVals {
kvs = append(kvs, fmt.Sprintf("%v: %v", k, v))
}
return fmt.Sprintf("%s [%s]", e.Cause().Error(), strings.Join(kvs, ", "))
}
func (e KeyValueError) Cause() error {
return e.Base
}
func (e KeyValueError) Unwrap() error {
return e.Base
}
func WithKVs(err error, kvs map[string]interface{}) KeyValueError {
return KeyValueError{
Base: err,
KeyVals: kvs,
}
}
func TranslatedMouseEvent(ev interface{}, x, y int) interface{} {
if ev3, ok := ev.(*tcell.EventMouse); ok {
x2, y2 := ev3.Position()
evTr := tcell.NewEventMouse(x2+x, y2+y, ev3.Buttons(), ev3.Modifiers())
return evTr
} else {
return ev
}
}
func posInMap(value string, m map[string]int) int {
i, ok := m[value]
if ok {
return i
} else {
return -1
}
}
type PrettyModMask tcell.ModMask
func (p PrettyModMask) String() string {
mods := make([]string, 0)
m := int(p)
if m == int(tcell.ModNone) {
mods = append(mods, "None")
} else {
if m&int(tcell.ModShift) != 0 {
mods = append(mods, "Shift")
}
if m&int(tcell.ModCtrl) != 0 {
mods = append(mods, "Ctrl")
}
if m&int(tcell.ModAlt) != 0 {
mods = append(mods, "Alt")
}
if m&int(tcell.ModMeta) != 0 {
mods = append(mods, "Meta")
}
}
return strings.Join(mods, "|")
}
type PrettyTcellKey tcell.EventKey
func (p *PrettyTcellKey) String() string {
k := (*tcell.EventKey)(p)
mod := PrettyModMask(k.Modifiers())
switch k.Key() {
case tcell.KeyRune:
return fmt.Sprintf("<Char:%c Mod:%v>", k.Rune(), mod)
default:
return fmt.Sprintf("<Key:%s Mod:%v>", tcell.KeyNames[k.Key()], mod)
}
}
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