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// Copyright 2015 The TCell Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use file except in compliance with the License.
// You may obtain a copy of the license at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tcell
import (
"errors"
"time"
"maunium.net/go/tcell/terminfo"
)
var (
// ErrTermNotFound indicates that a suitable terminal entry could
// not be found. This can result from either not having TERM set,
// or from the TERM failing to support certain minimal functionality,
// in particular absolute cursor addressability (the cup capability)
// is required. For example, legacy "adm3" lacks this capability,
// whereas the slightly newer "adm3a" supports it. This failure
// occurs most often with "dumb".
ErrTermNotFound = terminfo.ErrTermNotFound
// ErrNoScreen indicates that no suitable screen could be found.
// This may result from attempting to run on a platform where there
// is no support for either termios or console I/O (such as nacl),
// or from running in an environment where there is no access to
// a suitable console/terminal device. (For example, running on
// without a controlling TTY or with no /dev/tty on POSIX platforms.)
ErrNoScreen = errors.New("no suitable screen available")
// ErrNoCharset indicates that the locale environment the
// program is not supported by the program, because no suitable
// encoding was found for it. This problem never occurs if
// the environment is UTF-8 or UTF-16.
ErrNoCharset = errors.New("character set not supported")
// ErrEventQFull indicates that the event queue is full, and
// cannot accept more events.
ErrEventQFull = errors.New("event queue full")
)
// An EventError is an event representing some sort of error, and carries
// an error payload.
type EventError struct {
t time.Time
err error
}
// When returns the time when the event was created.
func (ev *EventError) When() time.Time {
return ev.t
}
// Error implements the error.
func (ev *EventError) Error() string {
return ev.err.Error()
}
// NewEventError creates an ErrorEvent with the given error payload.
func NewEventError(err error) *EventError {
return &EventError{t: time.Now(), err: err}
}
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