A hierarchical list widget that displays items in an expandable/collapsible tree structure.
Inherits from: Widget
Lua full name: lysa.ui.TreeView
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| nil | set_resources (resBox: string, resScroll: string, resIndent: string, resSelection: string, resPointed: string) |
| | Reloads the visual style: resBox = background box, resScroll = scroll bar, resIndent = width of an indentation level, resSelection = highlight of the selected items, resPointed = highlight of the item below the mouse cursor. More...
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| nil | remove_all_items () |
| | Removes and destroys all items from the tree. More...
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| TreeViewItem | add_item (parent_or_widget: TreeViewItem|Widget, widget: Widget|nil) |
| | Adds an item to the tree. Pass only a widget to add a root-level item; pass a TreeViewItem and a widget to add a child under that item. More...
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| nil | expand (item: Widget) |
| | Expands the tree item associated with the given content widget. More...
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| nil | expand (item: TreeViewItem, expanded: boolean) |
| | Expands or collapses a tree item, displaying or hiding its children. More...
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| TreeViewItem|nil | get_item (item: Widget) |
| | Returns the tree item displaying the given widget, nil if not found. More...
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| nil | expand_all (expanded: boolean) |
| | Expands or collapses every item of the tree at once, without emitting OnExpandItem. More...
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| nil | select (item: TreeViewItem, selected: boolean) |
| | Selects or unselects an item, emitting OnSelectItem if the selection changed. More...
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| nil | unselect_all () |
| | Unselects every item. More...
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| TreeViewItem[] | get_selected_items () |
| | Returns the selected items, in display order. More...
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| integer | selection_mode |
| | The selection behavior (see lysa.ui.TreeViewSelectionMode).
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| TreeViewItem|nil | selected_item |
| | The first selected item in display order, nil if the selection is empty. (read-only)
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| TreeViewItem|nil | pointed_item |
| | The displayed item below the mouse cursor, nil if none. (read-only)
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