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DeskTop: API docs

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APIs.md
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@ -135,6 +135,8 @@ Call from AUX (RAMRDON/RAMWRTON). Call style:
.addr params
```
Return value in A, 0=success.
> NOTE: Only some of the calls have been identified.
Commands:
@ -143,33 +145,78 @@ Commands:
Parameters: { addr icondata }
Inserts an icon record into the table.
### `DT_HIGHLIGHT_ICON` ($02)
Parameters: { byte icon }
### `DT_UNHIGHLIGHT_ICON` ($03)
Highlights (selects) an icon by number.
### `DT_REDRAW_ICON` ($03)
Parameters: { byte icon }
Redraws an icon by number.
### `DT_HIGHLIGHT_ICON` ($04)
Parameters: { byte icon }
Unhighlights (deselects) an icon by number.
### `DT_HIGHLIGHT_ALL` ($05)
Parameters: { byte window_id }
Highlights (selects) all icons in a window.
### `DT_UNHIGHLIGHT_ALL` ($06)
Parameters: _N/A_
Unhighlights (deselects) all icons.
### `DT_CLOSE_WINDOW` ($07)
Parameters: { byte window_id }
Closes the specified window.
### `DT_GET_HIGHLIGHTED` ($08)
Parameters: { .res 20 }
Copies the numbers of the first 20 selected icons to the given buffer.
### `DT_FIND_ICON` ($09)
Parameters: { word mousex, word mousey, (out) byte result }
Find the icon number at the given coordinates.
### `DT_REDRAW_ICONS` ($0C)
Parameters: none (pass $0000 as address)
Redraws the icons on the desktop (mounted volumes, trash). This call
is required after destroying, moving, or resizing a window.
is required after destroying, moving, or resizing a desk accessory window.
### `DT_ICON_IN_RECT` ($0D)
Parameters: { byte icon, rect bounds }
Tests to see if the given icon (by number) overlaps the passed rect.
### `DT_REDRAW_ICON_IDX` ($0E)
Parameters: { byte icon_index }
Redraws the icon at the given index in the icon list. Note that this
is not the same as the icon number.
<!-- ============================================================ -->
## DeskTop Data Structures