pane_rearrange.go RawHistoryFolder

1package daemon
2
3import (
4	"errors"
5
6	"github.com/bnema/vev/internal/domain"
7	"github.com/bnema/vev/internal/domain/layout"
8)
9
10var errDaemonActionNoChange = errors.New("daemon action made no change")
11
12func (d *Daemon) consumeOrExpelPane(target daemonActionTarget, direction layout.Direction) error {
13	changed, err := d.mutateTargetLayoutChanged(target, true, func(candidate *layout.Tree, area domain.Rect) (bool, error) {
14		return candidate.ConsumeOrExpelPane(target.pane.id, direction, area)
15	})
16	if err != nil {
17		return paneRearrangeUserError(err)
18	}
19	if !changed {
20		return errDaemonActionNoChange
21	}
22	return nil
23}
24
25func paneRearrangeUserError(err error) error {
26	switch {
27	case errors.Is(err, layout.ErrUnsupportedColumnLayout):
28		return domain.UserWarn(domain.NoticeLayoutTooSmall, "pane rearrangement requires a column layout", err)
29	case errors.Is(err, layout.ErrTooSmall):
30		return domain.UserWarn(domain.NoticeLayoutTooSmall, "not enough space to rearrange pane", err)
31	default:
32		return err
33	}
34}