Struct TreeView

widgets/treeview/treeview.go:117–155

TreeView represents the treeview widget.

// TreeView represents the treeview widget.
type TreeView struct {
	// mu protects access to the TreeView's fields.
	mu sync.Mutex
	// position stores the widget's top-left position.
	position image.Point
	// opts holds the configuration options for the TreeView.
	opts *options
	// selectedNode is the currently selected node.
	selectedNode *TreeNode
	// visibleNodes is the list of currently visible nodes.
	visibleNodes []*TreeNode
	// logger logs debugging information.
	logger *log.Logger
	// expandedIcon is the icon used for expanded nodes.
	expandedIcon string
	// collapsedIcon is the icon used for collapsed nodes.
	collapsedIcon string
	// leafIcon is the icon used for leaf nodes.
	leafIcon string
	// scrollOffset is the current vertical scroll offset.
	scrollOffset int
	// indentationPerLevel is the number of spaces to indent per tree level.
	indentationPerLevel int
	// canvasWidth is the width of the canvas.
	canvasWidth int
	// canvasHeight is the height of the canvas.
	canvasHeight int
	// totalContentHeight is the total height of the content.
	totalContentHeight int
	// waitingIcons are the icons used for the spinner.
	waitingIcons []string
	// lastSpinnerAdvance is when the spinner was last ticked, used to advance
	// spinner state in Draw() without a background goroutine.
	lastSpinnerAdvance time.Time
	// lastClickTime is the timestamp of the last handled click.
	lastClickTime time.Time
	// lastKeyTime is the timestamp for debouncing the enter key.
	lastKeyTime time.Time
}

// spinnerInterval is how often the spinner icons advance when waitingIcons are
// configured.  Advancement is driven by Draw() rather than a background