SetChangedFunc sets a handler which is called whenever the text of the input field has changed. It receives the current text (after the change).

SetColor sets the node's text color. For compatibility reasons, this also sets the background color of the selected text style. For more control over

SetColumns defines how the columns of the grid are distributed. Each value defines the size of one column, starting with the leftmost column. Values g

SetGraphics sets a flag which determines whether or not line graphics are drawn to illustrate the tree's hierarchy.

SetImage sets the image to be displayed. If nil, the widget will be empty.

SetPrefixes defines the strings drawn before the nodes' texts. This is a slice of strings where each element corresponds to a node's hierarchy level,

SetTextStyle sets the style of the text.

SetTopLevel sets the first tree level that is visible with 0 referring to the root, 1 to the root's child nodes, and so on. Nodes above the top level

SwitchToPage sets a page's visibility to "true" and all other pages' visibility to "false".

closeList closes the embedded List element by hiding it and removing focus from it.

focusIndex returns the index of the currently focused item, counting form items first, then buttons. A negative value indicates that no containeed ite

moveWordRight moves the cursor to the end of the current or next word. If after is set to true, the cursor will be placed after the word. If false, th

openList hands control over to the embedded List primitive.

reset resets many of the local variables of the text area because they cannot be used anymore and must be recalculated, typically after the text area'

AddCheckbox adds a checkbox to the form. It has a label, an initial state, and an (optional) callback function which is invoked when the state of the

AddDropDown adds a drop-down element to the form. It has a label, options, and an (optional) callback function which is invoked when an option was sel

AddPasswordField adds a password field to the form. This is similar to an input field except that the user's input not shown. Instead, a "mask" charac

Return the total number of columns in the table.

GetCurrentItem returns the index of the currently selected list item, starting at 0 for the first item.

GetItemCount returns the number of items in this container.

GetItemText returns an item's texts (main and secondary). Panics if the index is out of range.

GetPrimitive returns the primitive contained in this frame.

GetTextStyle returns the style of the text.

HasFocus returns whether or not this primitive has focus.

HidePage sets a page's visibility to "false".

LineBreak returns whether the string can be broken into the next line after the returned grapheme cluster. If optional is true, the line break is opti

NewTextArea returns a new text area. Use [TextArea.SetText] to set the initial text.

NewTreeNode returns a new tree node.

QueueEvent sends an event to the Application event loop. It is not recommended for event to be nil.

SetAcceptanceFunc sets a handler which may reject the last character that was entered, by returning false. The handler receives the text as it would b

SetBackgroundColor sets the color of the modal frame background.

The following functions are provided for completeness reasons as the original Table implementation was not read-only. If you do not wish to forward mo

SetExpanded sets whether or not this node's child nodes should be displayed.

SetFocus shifts the focus to the form element with the given index, counting non-button items first and buttons last. Note that this index is only use

SetMainTextStyle sets the style of the items' main text. Note that the background color is ignored in order not to override the background color of th

SetPrimitive replaces the contained primitive with the given one. To remove a primitive, set it to nil.

SetRegions sets the flag that allows to define regions in the text. See class description for details.

SetSelectedStyle sets the style of the selected items. Note that the color of main text characters that are different from the main text color (e.g. c

SetSize is a shortcut for [Grid.SetRows] and [Grid.SetColumns] where all row and column values are set to the given size values. See [Grid.SetColumns]

SetText sets the current text of the input field. This can be undone by the user. Calling this function will also trigger a "changed" event.

ShowPage sets a page's visibility to "true" (in addition to any other pages which are already visible).

Walk traverses this node's subtree in depth-first, pre-order (NLR) order and calls the provided callback function on each traversed node (which includ

getTextAfterCursor returns the text of the text area after the cursor. Note that this will result in a new allocation for the returned text.

getTextBeforeCursor returns the text of the text area up until the cursor. Note that this will result in a new allocation for the returned text.

process builds the visible tree, populates the "nodes" slice, and processes pending movement actions. Set "drawingAfter" to true if you know that [Tre

AddChild adds a new child node to this node.

AddTextArea adds a text area to the form. It has a label, an optional initial text, a size (width and height) referring to the actual input area (a fi

Draw refreshes the screen (during the next update cycle). It calls the Draw() function of the application's root primitive and then syncs the screen b

GetChildren returns this node's children.

GetColor returns the node's text color.

GetColors returns the number of colors that will be used while drawing the image. This is one of the values listed in [Image.SetColors], except 0 whic

GetFormItem returns the form item at the given position, starting with index 0. Elements are referenced in the order they were added. Buttons are not

GetRect returns the current position of the rectangle, x, y, width, and height.

GetReference returns this cell's reference object.

GetRoot returns the root node of the tree. If no such node was previously set, nil is returned.

GetUseStyleTags returns whether style tags are used in the main and secondary texts.

HasFocus returns whether or not this primitive has focus.

InInnerRect returns true if the given coordinate is within the bounds of the box's inner rectangle (within the border and padding).

IsExpanded returns whether the child nodes of this node are visible.

NewButton returns a new input field.

NewCheckbox returns a new input field.

NewDropDown returns a new drop-down.

NewImage returns a new image widget with an empty image (use [Image.SetImage] to specify the image to be displayed). The image will use the widget's e

NewTreeView returns a new tree view.

QueueUpdate is used to synchronize access to primitives from non-main goroutines. The provided function will be executed as part of the event loop and

Select sets the selected cell. Depending on the selection settings specified via SetSelectable(), this may be an entire row or column, or even ignored

SetAutocompleteFunc sets an autocomplete callback function which may return strings to be selected from a drop-down based on the current text of the i

SetCurrentNode sets the currently selected node. Provide nil to clear all selections. Selected nodes must be visible and selectable, or else the selec

SetDithering sets the dithering algorithm to use, one of the constants starting with "Dithering", for example [DitheringFloydSteinberg] (the default).

SetFixed sets the number of fixed rows and columns which are always visible even when the rest of the cells are scrolled out of view. Rows are always

SetFormAttributes sets a number of item attributes at once.

SetHighlightFullLine sets a flag which determines whether the colored background of selected items spans the entire width of the view. If set to true,

SetOptions replaces all current options with the ones provided and installs one callback function which is called when one of the options is selected.

SetPlaceholder sets the text to be displayed when the text area is empty.

SetReference allows you to store a reference of any type in this cell. This will allow you to establish a mapping between the cell and your actual dat

SetScrollable sets the flag that decides whether or not the text view is scrollable. If false, text that moves above the text view's top row will be p

SetTextAlign sets the text alignment within the text view. This must be either AlignLeft, AlignCenter, or AlignRight.

SetTitle sets the title of the terminal window, to the extent that the terminal supports it. A non-empty title will be set on every new tcell.Screen t

SetTitleAlign sets the alignment of the title, one of AlignLeft, AlignCenter, or AlignRight.

Style returns the style for the grapheme cluster.

clear is the internal implementation of clear. It is used by TextViewWriter and anywhere that we need to perform a write without locking the buffer.

getSelectedText returns the text of the current selection.

parseTag parses str for consecutive style and/or region tags, assuming that str starts with the opening bracket for the first tag. It returns the stri

setTransform sets the transform function to be used when drawing the text. This function is called for each grapheme cluster and can be used to modify

write is the internal implementation of Write. It is used by [TextViewWriter] and anywhere that we need to perform a write without locking the buffer.

ANSIWriter returns an io.Writer which translates any ANSI escape codes written to it into tview style tags. Other escape codes don't have an effect an

AddAndSwitchToPage calls AddPage(), then SwitchToPage() on that newly added page.

AddImage adds an image to the form. It has a label and the image will fit in the specified width and height (its aspect ratio is preserved). See [Imag

AddOption adds a new selectable option to this drop-down. The "selected" callback is called when this option was selected. It may be nil.

AddTextView adds a text view to the form. It has a label and text, a size (width and height) referring to the actual text element (a fieldWidth of 0 e

CellAt returns the row and column located at the given screen coordinates. Each returned value may be negative if there is no row and/or cell. This fu

ClearButtons removes all buttons from the form.

CollapseAll collapses this node and all descendent nodes.

ExpandAll expands this node and all descendent nodes.

Focus is called by the application when the primitive receives focus.

GetButton returns the button at the specified 0-based index. Note that buttons have been specially prepared for this form and modifying some of their

GetButtonCount returns the number of buttons in this form.

GetClipboardText returns the current text of the clipboard by calling the pasteFromClipboard function set with [TextArea.SetClipboard].

GetCurrentOption returns the index of the currently selected option as well as its text. If no option was selected, -1 and an empty string is returned

GetCursor returns the current cursor position where the first character of the entire text is in row 0, column 0. If the user has selected text, the "