59 lines
1.2 KiB
Go
59 lines
1.2 KiB
Go
// License: GPLv3 Copyright: 2022, Kovid Goyal, <kovid at kovidgoyal.net>
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package readline
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import (
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"errors"
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"fmt"
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"kitty/tools/tui/loop"
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)
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var _ = fmt.Print
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var default_shortcuts = map[string]Action{
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"backspace": ActionBackspace,
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"ctrl+h": ActionBackspace,
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"delete": ActionDelete,
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"ctrl+d": ActionDelete,
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"home": ActionMoveToStartOfLine,
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"ctrl+a": ActionMoveToStartOfLine,
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"end": ActionMoveToEndOfLine,
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"ctrl+e": ActionMoveToEndOfLine,
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"ctrl+home": ActionMoveToStartOfDocument,
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"ctrl+end": ActionMoveToEndOfDocument,
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"left": ActionCursorLeft,
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"ctrl+b": ActionCursorLeft,
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"right": ActionCursorRight,
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"ctrl+f": ActionCursorRight,
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}
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func action_for_key_event(event *loop.KeyEvent, shortcuts map[string]Action) Action {
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for sc, ac := range shortcuts {
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if event.MatchesPressOrRepeat(sc) {
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return ac
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}
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}
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return ActionNil
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}
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var ErrCouldNotPerformAction = errors.New("Could not perform the specified action")
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func (self *Readline) handle_key_event(event *loop.KeyEvent) error {
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if event.Text != "" {
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return nil
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}
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ac := action_for_key_event(event, default_shortcuts)
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if ac != ActionNil {
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event.Handled = true
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if !self.perform_action(ac, 1) {
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return ErrCouldNotPerformAction
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}
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}
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return nil
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}
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