7.4 Snips in a hierarchical-list% Instance

► |  | Mr Lib: Extra GUI Libraries

1 | Aligned Pasteboard
2 | Bitmap Label
3 | Cache-image Snip
4 | Close Icon
5 | GIF and Animated GIF Writing
6 | Graphs
7 | Hierarchical List Control
8 | Include Bitmap
9 | Interactive Value Port
10 | Name Message
11 | Path Dialog
12 | Plot
13 | Switchable Button
14 | Image Core
15 | Matrix Snip
16 | Snip Canvases
17 | Te X Table
18 | Terminal Window
19 | Acknowledgments
| Index

▼ | 7 | Hierarchical List Control

7.1 | hierarchical-list%
7.2 | hierarchical-list-item<%>
7.3 | hierarchical-list-compound-item<%>
7.4 | Snips in a hierarchical-list% Instance

On this page:

hierarchical-item-snip%
get-item
hierarchical-list-snip%
get-item
get-content-buffer

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#### 7.4`` Snips in a hierarchical-list% Instance

The find-snip in text% method of the editor in a hierarchical-list% return instances of hierarchical-item-snip% and hierarchical-list-snip%.

class hierarchical-item-snip% : class?
superclass: editor-snip%

> > method (send a-hierarchical-item-snip get-item)
> > → (is-a?/c hierarchical-list-item<%>)

> Returns the hierarchical-list-item<%> corresponding to the snip.

class hierarchical-list-snip% : class?
superclass: editor-snip%

> > method (send a-hierarchical-list-snip get-item)
> > → (is-a?/c hierarchical-list-compound-item<%>)

> Returns the hierarchical-list-compound-item<%> corresponding to the snip.

> > method (send a-hierarchical-list-snip get-content-buffer)
> > → (is-a?/c text%)

> Returns the text% that contains the sub-item snips.

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