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Gtk.IconView

class — extends Widget, Accessible, Buildable, CellLayout, ConstraintTarget, Scrollable

:::warning Deprecated since 4.10 This API is deprecated. :::

GtkIconView is a widget which displays data in a grid of icons.

<picture> <source srcset="icon-view-dark.png" media="(prefers-color-scheme: dark)"> <img alt="An example GtkIconView" src="icon-view.png"> </picture>

GtkIconView provides an alternative view on a GtkTreeModel. It displays the model as a grid of icons with labels. Like TreeView, it allows to select one or multiple items (depending on the selection mode, see IconView.set_selection_mode). In addition to selection with the arrow keys, GtkIconView supports rubberband selection, which is controlled by dragging the pointer.

Note that if the tree model is backed by an actual tree store (as opposed to a flat list where the mapping to icons is obvious), GtkIconView will only display the first level of the tree and ignore the tree’s branches.

CSS nodes

iconview.view
╰── [rubberband]

GtkIconView has a single CSS node with name iconview and style class .view. For rubberband selection, a subnode with name rubberband is used.

Constructors

new

@classmethod
def new(cls) -> Widget

:::warning Deprecated since 4.10 This API is deprecated. :::

Creates a new GtkIconView widget

new_with_area

@classmethod
def new_with_area(cls, area: CellArea) -> Widget

:::warning Deprecated since 4.10 This API is deprecated. :::

Creates a new GtkIconView widget using the specified area to layout cells inside the icons.

Parameters:

  • area — the GtkCellArea to use to layout cells

new_with_model

@classmethod
def new_with_model(cls, model: TreeModel) -> Widget

:::warning Deprecated since 4.10 This API is deprecated. :::

Creates a new GtkIconView widget with the model model.

Parameters:

  • model — The model.

Methods

create_drag_icon

def create_drag_icon(self, path: TreePath) -> Gdk.Paintable | None

:::warning Deprecated since 4.10 This API is deprecated. :::

Creates a GdkPaintable representation of the item at path. This image is used for a drag icon.

Parameters:

  • path — a GtkTreePath in icon_view

enable_model_drag_dest

def enable_model_drag_dest(self, formats: Gdk.ContentFormats, actions: Gdk.DragAction | int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Turns icon_view into a drop destination for automatic DND. Calling this method sets GtkIconView:reorderable to False.

Parameters:

  • formats — the formats that the drag will support
  • actions — the bitmask of possible actions for a drag to this widget

enable_model_drag_source

def enable_model_drag_source(self, start_button_mask: Gdk.ModifierType | int, formats: Gdk.ContentFormats, actions: Gdk.DragAction | int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Turns icon_view into a drag source for automatic DND. Calling this method sets GtkIconView:reorderable to False.

Parameters:

  • start_button_mask — Mask of allowed buttons to start drag
  • formats — the formats that the drag will support
  • actions — the bitmask of possible actions for a drag from this widget

get_activate_on_single_click

def get_activate_on_single_click(self) -> bool

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets the setting set by IconView.set_activate_on_single_click.

get_cell_rect

def get_cell_rect(self, path: TreePath, cell: CellRenderer | None = ...) -> tuple[bool, Gdk.Rectangle]

:::warning Deprecated since 4.10 This API is deprecated. :::

Fills the bounding rectangle in widget coordinates for the cell specified by path and cell. If cell is None the main cell area is used.

This function is only valid if icon_view is realized.

Parameters:

  • path — a GtkTreePath
  • cell — a GtkCellRenderer

get_column_spacing

def get_column_spacing(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::column-spacing property.

get_columns

def get_columns(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::columns property.

get_cursor

def get_cursor(self) -> tuple[bool, TreePath, CellRenderer]

:::warning Deprecated since 4.10 This API is deprecated. :::

Fills in path and cell with the current cursor path and cell. If the cursor isn’t currently set, then path will be None. If no cell currently has focus, then cell will be None.

The returned GtkTreePath must be freed with TreePath.free.

get_dest_item_at_pos

def get_dest_item_at_pos(self, drag_x: int, drag_y: int) -> tuple[bool, TreePath, IconViewDropPosition | int]

:::warning Deprecated since 4.10 This API is deprecated. :::

Determines the destination item for a given position.

Parameters:

  • drag_x — the position to determine the destination item for
  • drag_y — the position to determine the destination item for

get_drag_dest_item

def get_drag_dest_item(self) -> tuple[TreePath, IconViewDropPosition | int]

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets information about the item that is highlighted for feedback.

get_item_at_pos

def get_item_at_pos(self, x: int, y: int) -> tuple[bool, TreePath, CellRenderer]

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets the path and cell for the icon at the given position.

Parameters:

  • x — The x position to be identified
  • y — The y position to be identified

get_item_column

def get_item_column(self, path: TreePath) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets the column in which the item path is currently displayed. Column numbers start at 0.

Parameters:

  • path — the GtkTreePath of the item

get_item_orientation

def get_item_orientation(self) -> Orientation

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::item-orientation property which determines whether the labels are drawn beside the icons instead of below.

get_item_padding

def get_item_padding(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::item-padding property.

get_item_row

def get_item_row(self, path: TreePath) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets the row in which the item path is currently displayed. Row numbers start at 0.

Parameters:

  • path — the GtkTreePath of the item

get_item_width

def get_item_width(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::item-width property.

get_margin

def get_margin(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::margin property.

get_markup_column

def get_markup_column(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the column with markup text for icon_view.

get_model

def get_model(self) -> TreeModel | None

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the model the GtkIconView is based on. Returns None if the model is unset.

get_path_at_pos

def get_path_at_pos(self, x: int, y: int) -> TreePath | None

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets the path for the icon at the given position.

Parameters:

  • x — The x position to be identified
  • y — The y position to be identified

get_pixbuf_column

def get_pixbuf_column(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the column with pixbufs for icon_view.

get_reorderable

def get_reorderable(self) -> bool

:::warning Deprecated since 4.10 This API is deprecated. :::

Retrieves whether the user can reorder the list via drag-and-drop. See IconView.set_reorderable.

get_row_spacing

def get_row_spacing(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::row-spacing property.

get_selected_items

def get_selected_items(self) -> list[TreePath]

:::warning Deprecated since 4.10 This API is deprecated. :::

Creates a list of paths of all selected items. Additionally, if you are planning on modifying the model after calling this function, you may want to convert the returned list into a list of GtkTreeRowReferences. To do this, you can use TreeRowReference.new.

To free the return value, use g_list_free_full:

GtkWidget *icon_view = gtk_icon_view_new ();
// Use icon_view

GList *list = gtk_icon_view_get_selected_items (GTK_ICON_VIEW (icon_view));

// use list

g_list_free_full (list, (GDestroyNotify) gtk_tree_path_free);

get_selection_mode

def get_selection_mode(self) -> SelectionMode

:::warning Deprecated since 4.10 This API is deprecated. :::

Gets the selection mode of the icon_view.

get_spacing

def get_spacing(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the value of the ::spacing property.

get_text_column

def get_text_column(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the column with text for icon_view.

get_tooltip_column

def get_tooltip_column(self) -> int

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns the column of icon_view’s model which is being used for displaying tooltips on icon_view’s rows.

get_tooltip_context

def get_tooltip_context(self, x: int, y: int, keyboard_tip: bool) -> tuple[bool, TreeModel, TreePath, TreeIter]

:::warning Deprecated since 4.10 This API is deprecated. :::

This function is supposed to be used in a GtkWidget::query-tooltip signal handler for GtkIconView. The x, y and keyboard_tip values which are received in the signal handler, should be passed to this function without modification.

The return value indicates whether there is an icon view item at the given coordinates (True) or not (False) for mouse tooltips. For keyboard tooltips the item returned will be the cursor item. When True, then any of model, path and iter which have been provided will be set to point to that row and the corresponding model.

Parameters:

  • x — the x coordinate (relative to widget coordinates)
  • y — the y coordinate (relative to widget coordinates)
  • keyboard_tip — whether this is a keyboard tooltip or not

get_visible_range

def get_visible_range(self) -> tuple[bool, TreePath, TreePath]

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets start_path and end_path to be the first and last visible path. Note that there may be invisible paths in between.

Both paths should be freed with TreePath.free after use.

item_activated

def item_activated(self, path: TreePath) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Activates the item determined by path.

Parameters:

  • path — The GtkTreePath to be activated

path_is_selected

def path_is_selected(self, path: TreePath) -> bool

:::warning Deprecated since 4.10 This API is deprecated. :::

Returns True if the icon pointed to by path is currently selected. If path does not point to a valid location, False is returned.

Parameters:

  • path — A GtkTreePath to check selection on.

scroll_to_path

def scroll_to_path(self, path: TreePath, use_align: bool, row_align: float, col_align: float) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Moves the alignments of icon_view to the position specified by path. row_align determines where the row is placed, and col_align determines where column is placed. Both are expected to be between 0.0 and 1.0. 0.0 means left/top alignment, 1.0 means right/bottom alignment, 0.5 means center.

If use_align is False, then the alignment arguments are ignored, and the tree does the minimum amount of work to scroll the item onto the screen. This means that the item will be scrolled to the edge closest to its current position. If the item is currently visible on the screen, nothing is done.

This function only works if the model is set, and path is a valid row on the model. If the model changes before the icon_view is realized, the centered path will be modified to reflect this change.

Parameters:

  • path — The path of the item to move to.
  • use_align — whether to use alignment arguments, or False.
  • row_align — The vertical alignment of the item specified by path.
  • col_align — The horizontal alignment of the item specified by path.

select_all

def select_all(self) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Selects all the icons. icon_view must has its selection mode set to SelectionMode.MULTIPLE.

select_path

def select_path(self, path: TreePath) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Selects the row at path.

Parameters:

  • path — The GtkTreePath to be selected.

selected_foreach

def selected_foreach(self, func: IconViewForeachFunc) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Calls a function for each selected icon. Note that the model or selection cannot be modified from within this function.

Parameters:

  • func — The function to call for each selected icon.

set_activate_on_single_click

def set_activate_on_single_click(self, single: bool) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Causes the GtkIconView::item-activated signal to be emitted on a single click instead of a double click.

Parameters:

  • single — True to emit item-activated on a single click

set_column_spacing

def set_column_spacing(self, column_spacing: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::column-spacing property which specifies the space which is inserted between the columns of the icon view.

Parameters:

  • column_spacing — the column spacing

set_columns

def set_columns(self, columns: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::columns property which determines in how many columns the icons are arranged. If columns is -1, the number of columns will be chosen automatically to fill the available area.

Parameters:

  • columns — the number of columns

set_cursor

def set_cursor(self, path: TreePath, cell: CellRenderer | None, start_editing: bool) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

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 item. If cell is not None, then focus is given to the cell specified by it. Additionally, if start_editing is True, then editing should be started in the specified cell.

This function is often followed by [Widget.grab_focus](./Widget.md#method-grab_focus) (icon_view) in order to give keyboard focus to the widget. Please note that editing can only happen when the widget is realized.

Parameters:

  • path — A GtkTreePath
  • cell — One of the cell renderers of icon_view
  • start_editing — True if the specified cell should start being edited.

set_drag_dest_item

def set_drag_dest_item(self, path: TreePath | None, pos: IconViewDropPosition | int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the item that is highlighted for feedback.

Parameters:

  • path — The path of the item to highlight
  • pos — Specifies where to drop, relative to the item

set_item_orientation

def set_item_orientation(self, orientation: Orientation | int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::item-orientation property which determines whether the labels are drawn beside the icons instead of below.

Parameters:

  • orientation — the relative position of texts and icons

set_item_padding

def set_item_padding(self, item_padding: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the GtkIconView:item-padding property which specifies the padding around each of the icon view’s items.

Parameters:

  • item_padding — the item padding

set_item_width

def set_item_width(self, item_width: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::item-width property which specifies the width to use for each item. If it is set to -1, the icon view will automatically determine a suitable item size.

Parameters:

  • item_width — the width for each item

set_margin

def set_margin(self, margin: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::margin property which specifies the space which is inserted at the top, bottom, left and right of the icon view.

Parameters:

  • margin — the margin

set_markup_column

def set_markup_column(self, column: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the column with markup information for icon_view to be column. The markup column must be of type G_TYPE_STRING. If the markup column is set to something, it overrides the text column set by IconView.set_text_column.

Parameters:

  • column — A column in the currently used model, or -1 to display no text

set_model

def set_model(self, model: TreeModel | None = ...) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the model for a GtkIconView. If the icon_view already has a model set, it will remove it before setting the new model. If model is None, then it will unset the old model.

Parameters:

  • model — The model.

set_pixbuf_column

def set_pixbuf_column(self, column: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the column with pixbufs for icon_view to be column. The pixbuf column must be of type GDK_TYPE_PIXBUF

Parameters:

  • column — A column in the currently used model, or -1 to disable

set_reorderable

def set_reorderable(self, reorderable: bool) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

This function is a convenience function to allow you to reorder models that support the GtkTreeDragSourceIface and the GtkTreeDragDestIface. Both GtkTreeStore and GtkListStore support these. If reorderable 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 row_inserted and row_deleted signals. The reordering is implemented by setting up the icon view as a drag source and destination. Therefore, drag and drop can not be used in a reorderable view for any other purpose.

This function does not give you any degree of control over the order -- any reordering is allowed. If more control is needed, you should probably handle drag and drop manually.

Parameters:

  • reorderable — True, if the list of items can be reordered.

set_row_spacing

def set_row_spacing(self, row_spacing: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::row-spacing property which specifies the space which is inserted between the rows of the icon view.

Parameters:

  • row_spacing — the row spacing

set_selection_mode

def set_selection_mode(self, mode: SelectionMode | int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the selection mode of the icon_view.

Parameters:

  • mode — The selection mode

set_spacing

def set_spacing(self, spacing: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the ::spacing property which specifies the space which is inserted between the cells (i.e. the icon and the text) of an item.

Parameters:

  • spacing — the spacing

set_text_column

def set_text_column(self, column: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the column with text for icon_view to be column. The text column must be of type G_TYPE_STRING.

Parameters:

  • column — A column in the currently used model, or -1 to display no text

set_tooltip_cell

def set_tooltip_cell(self, tooltip: Tooltip, path: TreePath, cell: CellRenderer | None = ...) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the tip area of tooltip to the area which cell occupies in the item pointed to by path. See also Tooltip.set_tip_area.

See also IconView.set_tooltip_column for a simpler alternative.

Parameters:

  • tooltip — a GtkTooltip
  • path — a GtkTreePath
  • cell — a GtkCellRenderer

set_tooltip_column

def set_tooltip_column(self, column: int) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

If you only plan to have simple (text-only) tooltips on full items, you can use this function to have GtkIconView handle these automatically for you. column should be set to the column in icon_view’s model containing the tooltip texts, or -1 to disable this feature.

When enabled, GtkWidget:has-tooltip will be set to True and icon_view will connect a GtkWidget::query-tooltip signal handler.

Note that the signal handler sets the text with Tooltip.set_markup, so &, <, etc have to be escaped in the text.

Parameters:

  • column — an integer, which is a valid column number for icon_view’s model

set_tooltip_item

def set_tooltip_item(self, tooltip: Tooltip, path: TreePath) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Sets the tip area of tooltip to be the area covered by the item at path. See also IconView.set_tooltip_column for a simpler alternative. See also Tooltip.set_tip_area.

Parameters:

  • tooltip — a GtkTooltip
  • path — a GtkTreePath

unselect_all

def unselect_all(self) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Unselects all the icons.

unselect_path

def unselect_path(self, path: TreePath) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Unselects the row at path.

Parameters:

  • path — The GtkTreePath to be unselected.

unset_model_drag_dest

def unset_model_drag_dest(self) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Undoes the effect of IconView.enable_model_drag_dest. Calling this method sets GtkIconView:reorderable to False.

unset_model_drag_source

def unset_model_drag_source(self) -> None

:::warning Deprecated since 4.10 This API is deprecated. :::

Undoes the effect of IconView.enable_model_drag_source. Calling this method sets GtkIconView:reorderable to False.

Properties

activate_on_single_click

activate_on_single_click: bool  # read/write

The activate-on-single-click property specifies whether the "item-activated" signal will be emitted after a single click.

cell_area

cell_area: CellArea  # read/write

The GtkCellArea used to layout cell renderers for this view.

If no area is specified when creating the icon view with IconView.new_with_area a GtkCellAreaBox will be used.

column_spacing

column_spacing: int  # read/write

The column-spacing property specifies the space which is inserted between the columns of the icon view.

columns

columns: int  # read/write

The columns property contains the number of the columns in which the items should be displayed. If it is -1, the number of columns will be chosen automatically to fill the available area.

item_orientation

item_orientation: Orientation | int  # read/write

The item-orientation property specifies how the cells (i.e. the icon and the text) of the item are positioned relative to each other.

item_padding

item_padding: int  # read/write

The item-padding property specifies the padding around each of the icon view's item.

item_width

item_width: int  # read/write

The item-width property specifies the width to use for each item. If it is set to -1, the icon view will automatically determine a suitable item size.

margin

margin: int  # read/write

The margin property specifies the space which is inserted at the edges of the icon view.

markup_column

markup_column: int  # read/write

The ::markup-column property contains the number of the model column containing markup information to be displayed. The markup column must be of type G_TYPE_STRING. If this property and the :text-column property are both set to column numbers, it overrides the text column. If both are set to -1, no texts are displayed.

model

model: TreeModel  # read/write

The model of the icon view.

pixbuf_column

pixbuf_column: int  # read/write

The ::pixbuf-column property contains the number of the model column containing the pixbufs which are displayed. The pixbuf column must be of type GDK_TYPE_PIXBUF. Setting this property to -1 turns off the display of pixbufs.

reorderable

reorderable: bool  # read/write

The reorderable property specifies if the items can be reordered by DND.

row_spacing

row_spacing: int  # read/write

The row-spacing property specifies the space which is inserted between the rows of the icon view.

selection_mode

selection_mode: SelectionMode | int  # read/write

The ::selection-mode property specifies the selection mode of icon view. If the mode is SelectionMode.MULTIPLE, rubberband selection is enabled, for the other modes, only keyboard selection is possible.

spacing

spacing: int  # read/write

The spacing property specifies the space which is inserted between the cells (i.e. the icon and the text) of an item.

text_column

text_column: int  # read/write

The ::text-column property contains the number of the model column containing the texts which are displayed. The text column must be of type G_TYPE_STRING. If this property and the :markup-column property are both set to -1, no texts are displayed.

tooltip_column

tooltip_column: int  # read/write

The column of the icon view model which is being used for displaying tooltips on it's rows.

Signals

activate-cursor-item

def on_activate_cursor_item(self) -> bool: ...

A [keybinding signal]SignalAction which gets emitted when the user activates the currently focused item.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control activation programmatically.

The default bindings for this signal are Space, Return and Enter.

item-activated

def on_item_activated(self, path: TreePath) -> None: ...

The ::item-activated signal is emitted when the method IconView.item_activated is called, when the user double clicks an item with the "activate-on-single-click" property set to False, or when the user single clicks an item when the "activate-on-single-click" property set to True. It is also emitted when a non-editable item is selected and one of the keys: Space, Return or Enter is pressed.

move-cursor

def on_move_cursor(self, step: MovementStep, count: int, extend: bool, modify: bool) -> bool: ...

The ::move-cursor signal is a [keybinding signal]SignalAction which gets emitted when the user initiates a cursor movement.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control the cursor programmatically.

The default bindings for this signal include - Arrow keys which move by individual steps - Home/End keys which move to the first/last item - PageUp/PageDown which move by "pages" All of these will extend the selection when combined with the Shift modifier.

select-all

def on_select_all(self) -> None: ...

A [keybinding signal]SignalAction which gets emitted when the user selects all items.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control selection programmatically.

The default binding for this signal is Ctrl-a.

select-cursor-item

def on_select_cursor_item(self) -> None: ...

A [keybinding signal]SignalAction which gets emitted when the user selects the item that is currently focused.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control selection programmatically.

There is no default binding for this signal.

selection-changed

def on_selection_changed(self) -> None: ...

The ::selection-changed signal is emitted when the selection (i.e. the set of selected items) changes.

toggle-cursor-item

def on_toggle_cursor_item(self) -> None: ...

A [keybinding signal]SignalAction which gets emitted when the user toggles whether the currently focused item is selected or not. The exact effect of this depend on the selection mode.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control selection programmatically.

There is no default binding for this signal is Ctrl-Space.

unselect-all

def on_unselect_all(self) -> None: ...

A [keybinding signal]SignalAction which gets emitted when the user unselects all items.

Applications should not connect to it, but may emit it with g_signal_emit_by_name() if they need to control selection programmatically.

The default binding for this signal is Ctrl-Shift-a.