drawTree draws this container and all of its sub containers.
(c *Container)
| 30 | |
| 31 | // drawTree draws this container and all of its sub containers. |
| 32 | func drawTree(c *Container) error { |
| 33 | var errStr string |
| 34 | |
| 35 | root := rootCont(c) |
| 36 | size := root.term.Size() |
| 37 | ar, err := root.opts.margin.apply(image.Rect(0, 0, size.X, size.Y)) |
| 38 | if err != nil { |
| 39 | return err |
| 40 | } |
| 41 | root.area = ar |
| 42 | |
| 43 | preOrder(root, &errStr, visitFunc(func(c *Container) error { |
| 44 | first, second, err := c.split() |
| 45 | if err != nil { |
| 46 | return err |
| 47 | } |
| 48 | if c.first != nil { |
| 49 | ar, err := c.first.opts.margin.apply(first) |
| 50 | if err != nil { |
| 51 | return err |
| 52 | } |
| 53 | c.first.area = ar |
| 54 | } |
| 55 | |
| 56 | if c.second != nil { |
| 57 | ar, err := c.second.opts.margin.apply(second) |
| 58 | if err != nil { |
| 59 | return err |
| 60 | } |
| 61 | c.second.area = ar |
| 62 | } |
| 63 | return drawCont(c) |
| 64 | })) |
| 65 | if errStr != "" { |
| 66 | return errors.New(errStr) |
| 67 | } |
| 68 | return nil |
| 69 | } |
| 70 | |
| 71 | // drawBorder draws the border around the container if requested. |
| 72 | func drawBorder(c *Container) error { |