Control for a single item inside a [Tree]. Control for a single item inside a [Tree]. May have child [TreeItem]s and be styled as well as contain buttons. Adds a button with [Texture] [code]button[/code] at column [code]column[/code]. The [code]button_idx[/code] index is used to identify the button when calling other methods. If not specified, the next available index is used, which may be retrieved by calling [method get_button_count] immediately after this method. Optionally, the button can be [code]disabled[/code] and have a [code]tooltip[/code]. Resets the background color for the given column to default. Resets the color for the given column to default. Deselects the given column. Removes the button at index [code]button_idx[/code] in column [code]column[/code]. Returns the [Texture] of the button at index [code]button_idx[/code] in column [code]column[/code]. Returns the number of buttons in column [code]column[/code]. May be used to get the most recently added button's index, if no index was specified. Returns the column's cell mode. See [code]CELL_MODE_*[/code] constants. Returns the TreeItem's child items. Returns the custom background color of column [code]column[/code]. Returns [code]true[/code] if [code]expand_right[/code] is set. Returns the given column's icon [Texture]. Error if no icon is set. Returns the column's icon's maximum width. Returns the icon [Texture] region as [Rect2]. Returns the next TreeItem in the tree. Returns the next visible TreeItem in the tree. If [code]wrap[/code] is enabled, the method will wrap around to the first visible element in the tree when called on the last visible element, otherwise it returns [code]null[/code]. Returns the parent TreeItem. Returns the previous TreeItem in the tree. Returns the previous visible TreeItem in the tree. If [code]wrap[/code] is enabled, the method will wrap around to the last visible element in the tree when called on the first visible element, otherwise it returns [code]null[/code]. Returns the given column's text. Returns the given column's text alignment. Returns the given column's tooltip. Returns [code]true[/code] if the button at index [code]button_idx[/code] for the given column is disabled. Returns [code]true[/code] if the given column is checked. Returns [code]true[/code] if column [code]column[/code] is editable. Returns [code]true[/code] if column [code]column[/code] is selectable. Returns [code]true[/code] if column [code]column[/code] is selected. Moves this TreeItem to the bottom in the [Tree] hierarchy. Moves this TreeItem to the top in the [Tree] hierarchy. Removes the given child TreeItem. Selects the column [code]column[/code]. Sets the given column's button [Texture] at index [code]button_idx[/code] to [code]button[/code]. Sets the given column's cell mode to [code]mode[/code]. See [code]CELL_MODE_*[/code] constants. If [code]true[/code], the column [code]column[/code] is checked. Sets the given column's custom background color and whether to just use it as an outline. Sets the given column's custom color. Sets the given column's custom draw callback to [code]callback[/code] method on [code]object[/code]. The [code]callback[/code] should accept two arguments: the [TreeItem] that is drawn and its position and size as a [Rect2]. If [code]true[/code], column [code]column[/code] is editable. If [code]true[/code], column [code]column[/code] is expanded to the right. Sets the given column's icon [Texture]. Sets the given column's icon's maximum width. Sets the given column's icon's texture region. If [code]true[/code], the given column is selectable. Sets the given column's text alignment. See [code]ALIGN_*[/code] constants. Sets the given column's tooltip text. If [code]true[/code], the TreeItem is collapsed. The custom minimum height. If [code]true[/code], folding is disabled for this TreeItem. Cell contains a string. Cell can be checked. Cell contains a range. Cell contains an icon. Align text to the left. See [code]set_text_align()[/code]. Center text. See [code]set_text_align()[/code]. Align text to the right. See [code]set_text_align()[/code].