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Graphics.UI.Gtk.TreeList.TreeView

Portability | portable (depends on GHC)
Stability | provisional
Maintainer | gtk2hs-users@lists.sourceforge.net

Contents

Description
Class Hierarchy
Types
Constructors
Methods
Attributes
Signals

Description

A widget for displaying both trees and lists.

- This module and all other modules in Graphics.UI.Gtk.TreeList are deprecated. Please use the modules in Graphics.UI.Gtk.ModelView.

Synopsis

data TreeView
class ContainerClass o => TreeViewClass o
castToTreeView :: GObjectClass obj => obj -> TreeView
toTreeView :: TreeViewClass o => o -> TreeView
type Point = (Int, Int)
treeViewNew :: IO TreeView
treeViewNewWithModel :: TreeModelClass model => model -> IO TreeView
treeViewGetModel :: TreeViewClass self => self -> IO (Maybe TreeModel)
treeViewSetModel :: (TreeViewClass self, TreeModelClass model) => self -> model -> IO ()
treeViewGetSelection :: TreeViewClass self => self -> IO TreeSelection
treeViewGetHAdjustment :: TreeViewClass self => self -> IO (Maybe Adjustment)
treeViewSetHAdjustment :: TreeViewClass self => self -> Maybe Adjustment -> IO ()
treeViewGetVAdjustment :: TreeViewClass self => self -> IO (Maybe Adjustment)
treeViewSetVAdjustment :: TreeViewClass self => self -> Maybe Adjustment -> IO ()
treeViewGetHeadersVisible :: TreeViewClass self => self -> IO Bool
treeViewSetHeadersVisible :: TreeViewClass self => self -> Bool -> IO ()
treeViewColumnsAutosize :: TreeViewClass self => self -> IO ()
treeViewSetHeadersClickable :: TreeViewClass self => self -> Bool -> IO ()
treeViewGetRulesHint :: TreeViewClass self => self -> IO Bool
treeViewSetRulesHint :: TreeViewClass self => self -> Bool -> IO ()
treeViewAppendColumn :: TreeViewClass self => self -> TreeViewColumn -> IO Int
treeViewRemoveColumn :: TreeViewClass self => self -> TreeViewColumn -> IO Int
treeViewInsertColumn :: TreeViewClass self => self -> TreeViewColumn -> Int -> IO Int
treeViewInsertColumnWithAttributes :: (TreeViewClass self, CellRendererClass cr) => self -> Int -> String -> cr -> [(String, Int)] -> IO ()
treeViewGetColumn :: TreeViewClass self => self -> Int -> IO (Maybe TreeViewColumn)
treeViewGetColumns :: TreeViewClass self => self -> IO [TreeViewColumn]
treeViewMoveColumnAfter :: TreeViewClass self => self -> TreeViewColumn -> TreeViewColumn -> IO ()
treeViewMoveColumnFirst :: TreeViewClass self => self -> TreeViewColumn -> IO ()
treeViewSetExpanderColumn :: TreeViewClass self => self -> Maybe TreeViewColumn -> IO ()
treeViewGetExpanderColumn :: TreeViewClass self => self -> IO TreeViewColumn
treeViewSetColumnDragFunction :: TreeViewClass self => self -> Maybe (TreeViewColumn -> Maybe TreeViewColumn -> Maybe TreeViewColumn -> IO Bool) -> IO ()
treeViewScrollToPoint :: TreeViewClass self => self -> Int -> Int -> IO ()
treeViewScrollToCell :: TreeViewClass self => self -> TreePath -> TreeViewColumn -> Maybe (Float, Float) -> IO ()
treeViewSetCursor :: TreeViewClass self => self -> TreePath -> Maybe (TreeViewColumn, Bool) -> IO ()
treeViewSetCursorOnCell :: (TreeViewClass self, CellRendererClass focusCell) => self -> TreePath -> TreeViewColumn -> focusCell -> Bool -> IO ()
treeViewGetCursor :: TreeViewClass self => self -> IO (TreePath, Maybe TreeViewColumn)
treeViewRowActivated :: TreeViewClass self => self -> TreePath -> TreeViewColumn -> IO ()
treeViewExpandAll :: TreeViewClass self => self -> IO ()
treeViewCollapseAll :: TreeViewClass self => self -> IO ()
treeViewExpandToPath :: TreeViewClass self => self -> TreePath -> IO ()
treeViewExpandRow :: TreeViewClass self => self -> TreePath -> Bool -> IO Bool
treeViewCollapseRow :: TreeViewClass self => self -> TreePath -> IO Bool
treeViewMapExpandedRows :: TreeViewClass self => self -> (TreePath -> IO ()) -> IO ()
treeViewRowExpanded :: TreeViewClass self => self -> TreePath -> IO Bool
treeViewGetReorderable :: TreeViewClass self => self -> IO Bool
treeViewSetReorderable :: TreeViewClass self => self -> Bool -> IO ()
treeViewGetPathAtPos :: TreeViewClass self => self -> Point -> IO (Maybe (TreePath, TreeViewColumn, Point))
treeViewGetCellArea :: TreeViewClass self => self -> Maybe TreePath -> TreeViewColumn -> IO Rectangle
treeViewGetBackgroundArea :: TreeViewClass self => self -> Maybe TreePath -> TreeViewColumn -> IO Rectangle
treeViewGetVisibleRect :: TreeViewClass self => self -> IO Rectangle
treeViewWidgetToTreeCoords :: TreeViewClass self => self -> Point -> IO Point
treeViewTreeToWidgetCoords :: TreeViewClass self => self -> Point -> IO Point
treeViewCreateRowDragIcon :: TreeViewClass self => self -> TreePath -> IO Pixmap
treeViewGetEnableSearch :: TreeViewClass self => self -> IO Bool
treeViewSetEnableSearch :: TreeViewClass self => self -> Bool -> IO ()
treeViewGetSearchColumn :: TreeViewClass self => self -> IO Int
treeViewSetSearchColumn :: TreeViewClass self => self -> Int -> IO ()
treeViewSetSearchEqualFunc :: TreeViewClass self => self -> (Int -> String -> TreeIter -> IO Bool) -> IO ()
treeViewGetFixedHeightMode :: TreeViewClass self => self -> IO Bool
treeViewSetFixedHeightMode :: TreeViewClass self => self -> Bool -> IO ()
treeViewGetHoverSelection :: TreeViewClass self => self -> IO Bool
treeViewSetHoverSelection :: TreeViewClass self => self -> Bool -> IO ()
treeViewGetHoverExpand :: TreeViewClass self => self -> IO Bool
treeViewSetHoverExpand :: TreeViewClass self => self -> Bool -> IO ()
treeViewModel :: (TreeViewClass self, TreeModelClass model) => ReadWriteAttr self (Maybe TreeModel) model
treeViewHAdjustment :: TreeViewClass self => Attr self (Maybe Adjustment)
treeViewVAdjustment :: TreeViewClass self => Attr self (Maybe Adjustment)
treeViewHeadersVisible :: TreeViewClass self => Attr self Bool
treeViewHeadersClickable :: TreeViewClass self => Attr self Bool
treeViewExpanderColumn :: TreeViewClass self => ReadWriteAttr self TreeViewColumn (Maybe TreeViewColumn)
treeViewReorderable :: TreeViewClass self => Attr self Bool
treeViewRulesHint :: TreeViewClass self => Attr self Bool
treeViewEnableSearch :: TreeViewClass self => Attr self Bool
treeViewSearchColumn :: TreeViewClass self => Attr self Int
treeViewFixedHeightMode :: TreeViewClass self => Attr self Bool
treeViewHoverSelection :: TreeViewClass self => Attr self Bool
treeViewHoverExpand :: TreeViewClass self => Attr self Bool
onColumnsChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
afterColumnsChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
onCursorChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
afterCursorChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
onRowActivated :: TreeViewClass self => self -> (TreePath -> TreeViewColumn -> IO ()) -> IO (ConnectId self)
afterRowActivated :: TreeViewClass self => self -> (TreePath -> TreeViewColumn -> IO ()) -> IO (ConnectId self)
onRowCollapsed :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
afterRowCollapsed :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
onRowExpanded :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
afterRowExpanded :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
onStartInteractiveSearch :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
afterStartInteractiveSearch :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
onTestCollapseRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)
afterTestCollapseRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)
onTestExpandRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)
afterTestExpandRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)

Description
Widget that displays any object that implements the `TreeModel` interface. The widget supports scrolling natively. This implies that pixel coordinates can be given in two formats: relative to the current view's upper left corner or relative to the whole list's coordinates. The former are called widget coordinates while the letter are called tree coordinates.
Class Hierarchy

     |  GObject
     |   +----Object
     |         +----Widget
     |               +----Container
     |                     +----TreeView

Types
data TreeView

Instances

GObjectClass TreeView
TreeViewClass TreeView
ContainerClass TreeView
WidgetClass TreeView
ObjectClass TreeView

class ContainerClass o => TreeViewClass o

Instances

TreeViewClass TreeView

castToTreeView :: GObjectClass obj => obj -> TreeView
toTreeView :: TreeViewClass o => o -> TreeView
type Point = (Int, Int)
Represents the x and y coordinate of a point.
Constructors
treeViewNew :: IO TreeView
Creates a new `TreeView` widget.
treeViewNewWithModel :: TreeModelClass model => model -> IO TreeView
Create a new `TreeView` widget with `model` as the storage model.
Methods
treeViewGetModel :: TreeViewClass self => self -> IO (Maybe TreeModel)
Returns the model that supplies the data for this `TreeView`. Returns `Nothing` if the model is unset.
treeViewSetModel :: (TreeViewClass self, TreeModelClass model) => self -> model -> IO ()
Set the `TreeModel` for the current View.
treeViewGetSelection :: TreeViewClass self => self -> IO TreeSelection
Retrieve a `TreeSelection` that holds the current selected nodes of the View.
treeViewGetHAdjustment :: TreeViewClass self => self -> IO (Maybe Adjustment)
Gets the `Adjustment` currently being used for the horizontal aspect.
treeViewSetHAdjustment

:: TreeViewClass self |
=> self |
-> Maybe Adjustment | `adjustment` - The `Adjustment` to set, or `Nothing`
-> IO () |
Sets the `Adjustment` for the current horizontal aspect.

treeViewGetVAdjustment :: TreeViewClass self => self -> IO (Maybe Adjustment)
Gets the `Adjustment` currently being used for the vertical aspect.
treeViewSetVAdjustment

:: TreeViewClass self |
=> self |
-> Maybe Adjustment | `adjustment` - The `Adjustment` to set, or `Nothing`
-> IO () |
Sets the `Adjustment` for the current vertical aspect.

treeViewGetHeadersVisible :: TreeViewClass self => self -> IO Bool
Query if the column headers are visible.
treeViewSetHeadersVisible :: TreeViewClass self => self -> Bool -> IO ()
Set the visibility state of the column headers.
treeViewColumnsAutosize :: TreeViewClass self => self -> IO ()
Resize the columns to their optimal size.
treeViewSetHeadersClickable :: TreeViewClass self => self -> Bool -> IO ()
Set wether the columns headers are sensitive to mouse clicks.
treeViewGetRulesHint :: TreeViewClass self => self -> IO Bool
Query if visual aid for wide columns is turned on.
treeViewSetRulesHint :: TreeViewClass self => self -> Bool -> IO ()

This function tells Gtk+ that the user interface for your application requires users to read across tree rows and associate cells with one another. By default, Gtk+ will then render the tree with alternating row colors. Do not use it just because you prefer the appearance of the ruled tree; that's a question for the theme. Some themes will draw tree rows in alternating colors even when rules are turned off, and users who prefer that appearance all the time can choose those themes. You should call this function only as a semantic hint to the theme engine that your tree makes alternating colors useful from a functional standpoint (since it has lots of columns, generally).

treeViewAppendColumn :: TreeViewClass self => self -> TreeViewColumn -> IO Int
Append a new column to the `TreeView`. Returns the new number of columns.
treeViewRemoveColumn :: TreeViewClass self => self -> TreeViewColumn -> IO Int
Remove column `tvc` from the `TreeView` widget. The number of remaining columns is returned.
treeViewInsertColumn :: TreeViewClass self => self -> TreeViewColumn -> Int -> IO Int
Inserts column `tvc` into the `TreeView` widget at the position `pos`. Returns the number of columns after insertion. Specify -1 for `pos` to insert the column at the end.
treeViewInsertColumnWithAttributes :: (TreeViewClass self, CellRendererClass cr) => self -> Int -> String -> cr -> [(String, Int)] -> IO ()

Insert new `TreeViewColumn`.

- Inserts new column into the `TreeView` `self` at position `pos` with title ref argtitle, cell renderer `cr` and attributes `attribs`. Specify -1 for `pos` to insert the column at the end.

treeViewGetColumn :: TreeViewClass self => self -> Int -> IO (Maybe TreeViewColumn)

Retrieve a `TreeViewColumn`.

- Retrieve the `pos` th columns of `TreeView`. If the index is out of range Nothing is returned.

treeViewGetColumns :: TreeViewClass self => self -> IO [TreeViewColumn]
Return all `TreeViewColumn`s in this `TreeView`.
treeViewMoveColumnAfter :: TreeViewClass self => self -> TreeViewColumn -> TreeViewColumn -> IO ()

Move a specific column.

- Use treeViewMoveColumnToFront if you want to move the column to the left end of the `TreeView`.

treeViewMoveColumnFirst :: TreeViewClass self => self -> TreeViewColumn -> IO ()

Move a specific column.

- Use `treeViewMoveColumnAfter` if you want to move the column somewhere else than to the leftmost position.

treeViewSetExpanderColumn :: TreeViewClass self => self -> Maybe TreeViewColumn -> IO ()

Set location of hierarchy controls.

- Sets the column to draw the expander arrow at. If `col` is `Nothing`, then the expander arrow is always at the first visible column.

If you do not want expander arrow to appear in your tree, set the expander column to a hidden column.

treeViewGetExpanderColumn :: TreeViewClass self => self -> IO TreeViewColumn

Get location of hierarchy controls.

- Gets the column to draw the expander arrow at. If `col` is `Nothing`, then the expander arrow is always at the first visible column.

treeViewSetColumnDragFunction :: TreeViewClass self => self -> Maybe (TreeViewColumn -> Maybe TreeViewColumn -> Maybe TreeViewColumn -> IO Bool) -> IO ()

Specify where a column may be dropped.

- Sets a user function for determining where a column may be dropped when dragged. This function is called on every column pair in turn at the beginning of a column drag to determine where a drop can take place. * The callback function take the `TreeViewColumn` to be moved, the second and third arguments are the columns on the left and right side of the new location. At most one of them might be `Nothing` which indicates that the column is about to be dropped at the left or right end of the `TreeView`. * The predicate `pred` should return `True` if it is ok to insert the column at this place. * Use `Nothing` for the predicate if columns can be inserted anywhere.

treeViewScrollToPoint :: TreeViewClass self => self -> Int -> Int -> IO ()

Scroll to a coordinate.

- Scrolls the tree view such that the top-left corner of the visible area is `treeX`, `treeY`, where `treeX` and `treeY` are specified in tree window coordinates. The `TreeView` must be realized before this function is called. If it isn't, you probably want to use `treeViewScrollToCell`.

treeViewScrollToCell :: TreeViewClass self => self -> TreePath -> TreeViewColumn -> Maybe (Float, Float) -> IO ()

Scroll to a cell.

- Scroll to a cell as specified by `path` and `tvc`. The cell is aligned within the `TreeView` widget as follows: horizontally by `hor` from left (`0.0`) to right (`1.0`) and vertically by `ver` from top (`0.0`) to buttom (`1.0`).

treeViewSetCursor :: TreeViewClass self => self -> TreePath -> Maybe (TreeViewColumn, Bool) -> IO ()

Selects a specific row.

- Sets the current keyboard focus to be at `path`, and selects it. This is useful when you want to focus the user's attention on a particular row. If `focusColumn` is given, then the input focus is given to the column specified by it. Additionally, if `focusColumn` is specified, and `startEditing` is `True`, then editing will be started in the specified cell. This function is often followed by a widgetGrabFocus to the `TreeView` in order to give keyboard focus to the widget.

treeViewSetCursorOnCell :: (TreeViewClass self, CellRendererClass focusCell) => self -> TreePath -> TreeViewColumn -> focusCell -> Bool -> IO ()

Selects a cell in a specific row.

- Similar to `treeViewSetCursor` but allows a column to containt several `CellRenderer`s.
- Only available in Gtk 2.2 and higher.

treeViewGetCursor :: TreeViewClass self => self -> IO (TreePath, Maybe TreeViewColumn)

Retrieves the position of the focus.

- Returns a pair `(path, column)`.If the cursor is not currently set, `path` will be `[]`. If no column is currently selected, `column` will be `Nothing`.

treeViewRowActivated :: TreeViewClass self => self -> TreePath -> TreeViewColumn -> IO ()
Emit the activated signal on a cell.
treeViewExpandAll :: TreeViewClass self => self -> IO ()
Recursively expands all nodes in the tree view.
treeViewCollapseAll :: TreeViewClass self => self -> IO ()
Recursively collapses all visible, expanded nodes in the tree view.
treeViewExpandToPath :: TreeViewClass self => self -> TreePath -> IO ()

Make a certain path visible.

- This will expand all parent rows of `tp` as necessary.
- Only available in Gtk 2.2 and higher.

treeViewExpandRow

:: TreeViewClass self |
=> self |
-> TreePath | `path` - path to a row
-> Bool | `openAll` - whether to recursively expand, or just expand immediate children
-> IO Bool | returns `True` if the row existed and had children
Opens the row so its children are visible.

treeViewCollapseRow

:: TreeViewClass self |
=> self |
-> TreePath | `path` - path to a row in the tree view
-> IO Bool | returns `True` if the row was collapsed.
Collapses a row (hides its child rows, if they exist).

treeViewMapExpandedRows :: TreeViewClass self => self -> (TreePath -> IO ()) -> IO ()
Call function for every expaned row.
treeViewRowExpanded

:: TreeViewClass self |
=> self |
-> TreePath | `path` - A `TreePath` to test expansion state.
-> IO Bool | returns `True` if `path` is expanded.
Check if row is expanded.

treeViewGetReorderable :: TreeViewClass self => self -> IO Bool

Query if rows can be moved around.

- See `treeViewSetReorderable`.

treeViewSetReorderable :: TreeViewClass self => self -> Bool -> IO ()

Check if rows can be moved around.

- Set whether the user can use drag and drop (DND) to reorder the rows in the store. This works on both `TreeStore` and `ListStore` models. If `ro` is `True`, then the user can reorder the model by dragging and dropping rows. The developer can listen to these changes by connecting to the model's signals. This function does not give you any degree of control over the order -- any reorderering is allowed. If more control is needed, you should probably handle drag and drop manually.

treeViewGetPathAtPos :: TreeViewClass self => self -> Point -> IO (Maybe (TreePath, TreeViewColumn, Point))

Map a pixel to the specific cell.

- Finds the path at the `Point` `(x, y)`. The coordinates `x` and `y` are relative to the top left corner of the `TreeView` drawing window. As such, coordinates in a mouse click event can be used directly to determine the cell which the user clicked on. This is therefore a way to realize for popup menus.
- The returned point is the input point relative to the cell's upper left corner. The whole `TreeView` is divided between all cells. The returned point is relative to the rectangle this cell occupies within the `TreeView`.

treeViewGetCellArea :: TreeViewClass self => self -> Maybe TreePath -> TreeViewColumn -> IO Rectangle

Retrieve the smallest bounding box of a cell.

- Fills the bounding rectangle in tree window coordinates for the cell at the row specified by `tp` and the column specified by `tvc`. If `path` is `Nothing` or points to a path not currently displayed, the `y` and `height` fields of the `Rectangle` will be filled with `0`. The sum of all cell rectangles does not cover the entire tree; there are extra pixels in between rows, for example.

treeViewGetBackgroundArea :: TreeViewClass self => self -> Maybe TreePath -> TreeViewColumn -> IO Rectangle

Retrieve the largest bounding box of a cell.

- Fills the bounding rectangle in tree window coordinates for the cell at the row specified by `tp` and the column specified by `tvc`. If `path` is `Nothing` or points to a path not currently displayed, the `y` and `height` fields of the `Rectangle` will be filled with `0`. The background areas tile the widget's area to cover the entire tree window (except for the area used for header buttons). Contrast this with `treeViewGetCellArea`.

treeViewGetVisibleRect :: TreeViewClass self => self -> IO Rectangle

Retrieve the currently visible area.

- The returned rectangle gives the visible part of the tree in tree coordinates.

treeViewWidgetToTreeCoords

:: TreeViewClass self |
=> self |
-> Point | `(wx, wy)` - widget X and Y coordinates
-> IO Point | `(tx, ty)` returns tree X and Y coordinates

Convert widget to tree pixel coordinates.

- See module description.

treeViewTreeToWidgetCoords

:: TreeViewClass self |
=> self |
-> Point | `(tx, ty)` - tree X and Y coordinates
-> IO Point | `(wx, wy)` returns widget X and Y coordinates

Convert tree to widget pixel coordinates.

- See module description.

treeViewCreateRowDragIcon :: TreeViewClass self => self -> TreePath -> IO Pixmap
Creates a `Pixmap` representation of the row at the given path. This image can be used for a drag icon.
treeViewGetEnableSearch :: TreeViewClass self => self -> IO Bool

Returns whether or not the tree allows to start interactive searching by typing in text.

- If enabled, the user can type in text which will set the cursor to the first matching entry.

treeViewSetEnableSearch :: TreeViewClass self => self -> Bool -> IO ()
If this is set, then the user can type in text to search through the tree interactively (this is sometimes called "typeahead find"). Note that even if this is `False`, the user can still initiate a search using the "start-interactive-search" key binding.
treeViewGetSearchColumn :: TreeViewClass self => self -> IO Int
Gets the column searched on by the interactive search.
treeViewSetSearchColumn

:: TreeViewClass self |
=> self |
-> Int | `column` - the column of the model to search in, or -1 to disable searching
-> IO () |
Sets `column` as the column where the interactive search code should search in. If the sort column is set, users can use the "start-interactive-search" key binding to bring up search popup. The enable-search property controls whether simply typing text will also start an interactive search. Note that `column` refers to a column of the model.

treeViewSetSearchEqualFunc :: TreeViewClass self => self -> (Int -> String -> TreeIter -> IO Bool) -> IO ()

Set the predicate to test for equality.

- The default function assumes that the column `col` has contains Attribute `cr` `String`. It conducts a case insensitive comparison of the text typed by the user and the text in the tree model. This function can be used to override this behaviour. The predicate returns `True` if the entries should be considered to match. The parameters are the column number, the text the user typed in and a `TreeIter` which points to the cell to be compared.

treeViewGetFixedHeightMode

:: TreeViewClass self |
=> self |
-> IO Bool | returns `True` if the tree view is in fixed height mode

Returns whether fixed height mode is turned on for the tree view.

- Available since Gtk+ version 2.6

treeViewSetFixedHeightMode

:: TreeViewClass self |
=> self |
-> Bool | `enable` - `True` to enable fixed height mode
-> IO () |

Enables or disables the fixed height mode of the tree view. Fixed height mode speeds up `TreeView` by assuming that all rows have the same height. Only enable this option if all rows are the same height and all columns are of type `TreeViewColumnFixed`.

- Available since Gtk+ version 2.6

treeViewGetHoverSelection

:: TreeViewClass self |
=> self |
-> IO Bool | returns `True` if the tree view is in hover selection mode

Returns whether hover selection mode is turned on for `treeView`.

- Available since Gtk+ version 2.6

treeViewSetHoverSelection

:: TreeViewClass self |
=> self |
-> Bool | `hover` - `True` to enable hover selection mode
-> IO () |

Enables of disables the hover selection mode of the tree view. Hover selection makes the selected row follow the pointer. Currently, this works only for the selection modes SelectionSingle and SelectionBrowse.

- Available since Gtk+ version 2.6

treeViewGetHoverExpand

:: TreeViewClass self |
=> self |
-> IO Bool | returns `True` if the tree view is in hover expansion mode

Returns whether hover expansion mode is turned on for the tree view.

- Available since Gtk+ version 2.6

treeViewSetHoverExpand

:: TreeViewClass self |
=> self |
-> Bool | `expand` - `True` to enable hover selection mode
-> IO () |

Enables of disables the hover expansion mode of the tree view. Hover expansion makes rows expand or collaps if the pointer moves over them.

- Available since Gtk+ version 2.6

Attributes
treeViewModel :: (TreeViewClass self, TreeModelClass model) => ReadWriteAttr self (Maybe TreeModel) model
The model for the tree view.
treeViewHAdjustment :: TreeViewClass self => Attr self (Maybe Adjustment)
Horizontal Adjustment for the widget.
treeViewVAdjustment :: TreeViewClass self => Attr self (Maybe Adjustment)
Vertical Adjustment for the widget.
treeViewHeadersVisible :: TreeViewClass self => Attr self Bool
Show the column header buttons. Default value: `True`
treeViewHeadersClickable :: TreeViewClass self => Attr self Bool
Column headers respond to click events. Default value: `False`
treeViewExpanderColumn :: TreeViewClass self => ReadWriteAttr self TreeViewColumn (Maybe TreeViewColumn)
Set the column for the expander column.
treeViewReorderable :: TreeViewClass self => Attr self Bool
View is reorderable. Default value: `False`
treeViewRulesHint :: TreeViewClass self => Attr self Bool
Set a hint to the theme engine to draw rows in alternating colors. Default value: `False`
treeViewEnableSearch :: TreeViewClass self => Attr self Bool
View allows user to search through columns interactively. Default value: `True`
treeViewSearchColumn :: TreeViewClass self => Attr self Int
Model column to search through when searching through code. Allowed values: >= -1 Default value: -1
treeViewFixedHeightMode :: TreeViewClass self => Attr self Bool
Setting the fixed-height-mode property to `True` speeds up `TreeView` by assuming that all rows have the same height. Only enable this option if all rows are the same height. Please see `treeViewSetFixedHeightMode` for more information on this option. Default value: `False`
treeViewHoverSelection :: TreeViewClass self => Attr self Bool
Enables of disables the hover selection mode of the tree view. Hover selection makes the selected row follow the pointer. Currently, this works only for the selection modes SelectionSingle and SelectionBrowse. This mode is primarily indended for treeviews in popups, e.g. in `ComboBox` or `EntryCompletion`. Default value: `False`
treeViewHoverExpand :: TreeViewClass self => Attr self Bool
Enables of disables the hover expansion mode of the tree view. Hover expansion makes rows expand or collaps if the pointer moves over them. This mode is primarily indended for treeviews in popups, e.g. in `ComboBox` or `EntryCompletion`. Default value: `False`
Signals
onColumnsChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
afterColumnsChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
The user has dragged a column to another position.
onCursorChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
afterCursorChanged :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
The cursor in the tree has moved.
onRowActivated :: TreeViewClass self => self -> (TreePath -> TreeViewColumn -> IO ()) -> IO (ConnectId self)
afterRowActivated :: TreeViewClass self => self -> (TreePath -> TreeViewColumn -> IO ()) -> IO (ConnectId self)

A row was activated.

- Activation usually means the user has pressed return on a row.

onRowCollapsed :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
afterRowCollapsed :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
Children of this node were hidden.
onRowExpanded :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
afterRowExpanded :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO ()) -> IO (ConnectId self)
Children of this node are made visible.
onStartInteractiveSearch :: TreeViewClass self => self -> IO () -> IO (ConnectId self)
afterStartInteractiveSearch :: TreeViewClass self => self -> IO () -> IO (ConnectId self)

The user wants to search interactively.

- Connect to this signal if you want to provide you own search facility. Note that you must handle all keyboard input yourself.

onTestCollapseRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)
afterTestCollapseRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)

Determine if this row should be collapsed.

- If the application connects to this function and returns `False`, the specifc row will not be altered.

onTestExpandRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)
afterTestExpandRow :: TreeViewClass self => self -> (TreeIter -> TreePath -> IO Bool) -> IO (ConnectId self)

Determine if this row should be expanded.

- If the application connects to this function and returns `False`, the specifc row will not be altered.

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