gtk4

Struct Text

Source
pub struct Text { /* private fields */ }
Expand description

The Text widget is a single-line text entry widget.

Text is the common implementation of single-line text editing that is shared between Entry, PasswordEntry, SpinButton, and other widgets. In all of these, Text is used as the delegate for the Editable implementation.

A fairly large set of key bindings are supported by default. If the entered text is longer than the allocation of the widget, the widget will scroll so that the cursor position is visible.

When using an entry for passwords and other sensitive information, it can be put into “password mode” using set_visibility(). In this mode, entered text is displayed using a “invisible” character. By default, GTK picks the best invisible character that is available in the current font, but it can be changed with set_invisible_char().

If you are looking to add icons or progress display in an entry, look at Entry. There other alternatives for more specialized use cases, such as SearchEntry.

If you need multi-line editable text, look at TextView.

§Shortcuts and Gestures

Text supports the following keyboard shortcuts:

  • Shift+F10 or Menu opens the context menu.
  • Ctrl+A or Ctrl+/ selects all the text.
  • Ctrl+Shift+A or Ctrl+\ unselects all.
  • Ctrl+Z undoes the last modification.
  • Ctrl+Y or Ctrl+Shift+Z redoes the last undone modification.

Additionally, the following signals have default keybindings:

§Actions

Text defines a set of built-in actions:

  • clipboard.copy copies the contents to the clipboard.
  • clipboard.cut copies the contents to the clipboard and deletes it from the widget.
  • clipboard.paste inserts the contents of the clipboard into the widget.
  • menu.popup opens the context menu.
  • misc.insert-emoji opens the Emoji chooser.
  • misc.toggle-visibility toggles the Text:visibility property.
  • selection.delete deletes the current selection.
  • selection.select-all selects all of the widgets content.
  • text.redo redoes the last change to the contents.
  • text.undo undoes the last change to the contents.

§CSS nodes

text[.read-only]
├── placeholder
├── undershoot.left
├── undershoot.right
├── [selection]
├── [block-cursor]
╰── [window.popup]

Text has a main node with the name text. Depending on the properties of the widget, the .read-only style class may appear.

When the entry has a selection, it adds a subnode with the name selection.

When the entry is in overwrite mode, it adds a subnode with the name block-cursor that determines how the block cursor is drawn.

The CSS node for a context menu is added as a subnode with the name popup.

The undershoot nodes are used to draw the underflow indication when content is scrolled out of view. These nodes get the .left or .right style class added depending on where the indication is drawn.

When touch is used and touch selection handles are shown, they are using CSS nodes with name cursor-handle. They get the .top or .bottom style class depending on where they are shown in relation to the selection. If there is just a single handle for the text cursor, it gets the style class .insertion-cursor.

§Accessibility

Text uses the AccessibleRole::None role, which causes it to be skipped for accessibility. This is because Text is expected to be used as a delegate for a Editable implementation that will be represented to accessibility.

§Properties

§activates-default

Whether to activate the default widget when Enter is pressed.

Readable | Writeable

§attributes

A list of Pango attributes to apply to the text of the Text.

This is mainly useful to change the size or weight of the text.

The PangoAttribute’s @start_index and @end_index must refer to the EntryBuffer text, i.e. without the preedit string.

Readable | Writeable

§buffer

The EntryBuffer object which stores the text.

Readable | Writeable | Construct

§enable-emoji-completion

Whether to suggest Emoji replacements.

Readable | Writeable

§extra-menu

A menu model whose contents will be appended to the context menu.

Readable | Writeable

§im-module

Which IM (input method) module should be used for this self.

See IMMulticontext.

Setting this to a non-None value overrides the system-wide IM module setting. See the gtk-im-module property.

Readable | Writeable

§input-hints

Additional hints that allow input methods to fine-tune their behaviour.

Readable | Writeable

§input-purpose

The purpose of this text field.

This property can be used by on-screen keyboards and other input methods to adjust their behaviour.

Note that setting the purpose to InputPurpose::Password or InputPurpose::Pin is independent from setting visibility.

Readable | Writeable

§invisible-char

The character to used when masking contents (in “password mode”).

Readable | Writeable

§invisible-char-set

Whether the invisible char has been set for the Text.

Readable | Writeable

§max-length

Maximum number of characters that are allowed.

Zero indicates no limit.

Readable | Writeable

§overwrite-mode

If text is overwritten when typing in the Text.

Readable | Writeable

§placeholder-text

The text that will be displayed in the Text when it is empty and unfocused.

Readable | Writeable

§propagate-text-width

Whether the widget should grow and shrink with the content.

Readable | Writeable

§scroll-offset

Number of pixels scrolled of the screen to the left.

Readable

§tabs

A list of tabstops to apply to the text of the Text.

Readable | Writeable

§truncate-multiline

When true, pasted multi-line text is truncated to the first line.

Readable | Writeable

§visibility

If false, the text is masked with the “invisible char”.

Readable | Writeable

Widget

§can-focus

Whether the widget or any of its descendents can accept the input focus.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable

§can-target

Whether the widget can receive pointer events.

Readable | Writeable

§css-classes

A list of css classes applied to this widget.

Readable | Writeable

§css-name

The name of this widget in the CSS tree.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable | Construct Only

§cursor

The cursor used by @widget.

Readable | Writeable

§focus-on-click

Whether the widget should grab focus when it is clicked with the mouse.

This property is only relevant for widgets that can take focus.

Readable | Writeable

§focusable

Whether this widget itself will accept the input focus.

Readable | Writeable

§halign

How to distribute horizontal space if widget gets extra space.

Readable | Writeable

§has-default

Whether the widget is the default widget.

Readable

§has-focus

Whether the widget has the input focus.

Readable

§has-tooltip

Enables or disables the emission of the ::query-tooltip signal on @widget.

A value of true indicates that @widget can have a tooltip, in this case the widget will be queried using query-tooltip to determine whether it will provide a tooltip or not.

Readable | Writeable

§height-request

Override for height request of the widget.

If this is -1, the natural request will be used.

Readable | Writeable

§hexpand

Whether to expand horizontally.

Readable | Writeable

§hexpand-set

Whether to use the hexpand property.

Readable | Writeable

§layout-manager

The LayoutManager instance to use to compute the preferred size of the widget, and allocate its children.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable

§margin-bottom

Margin on bottom side of widget.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from WidgetExt::set_size_request() for example.

Readable | Writeable

§margin-end

Margin on end of widget, horizontally.

This property supports left-to-right and right-to-left text directions.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from WidgetExt::set_size_request() for example.

Readable | Writeable

§margin-start

Margin on start of widget, horizontally.

This property supports left-to-right and right-to-left text directions.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from WidgetExt::set_size_request() for example.

Readable | Writeable

§margin-top

Margin on top side of widget.

This property adds margin outside of the widget’s normal size request, the margin will be added in addition to the size from WidgetExt::set_size_request() for example.

Readable | Writeable

§name

The name of the widget.

Readable | Writeable

§opacity

The requested opacity of the widget.

Readable | Writeable

§overflow

How content outside the widget’s content area is treated.

This property is meant to be set by widget implementations, typically in their instance init function.

Readable | Writeable

§parent

The parent widget of this widget.

Readable

§receives-default

Whether the widget will receive the default action when it is focused.

Readable | Writeable

§root

The Root widget of the widget tree containing this widget.

This will be None if the widget is not contained in a root widget.

Readable

§scale-factor

The scale factor of the widget.

Readable

§sensitive

Whether the widget responds to input.

Readable | Writeable

§tooltip-markup

Sets the text of tooltip to be the given string, which is marked up with Pango markup.

Also see Tooltip::set_markup().

This is a convenience property which will take care of getting the tooltip shown if the given string is not None: has-tooltip will automatically be set to true and there will be taken care of query-tooltip in the default signal handler.

Note that if both tooltip-text and tooltip-markup are set, the last one wins.

Readable | Writeable

§tooltip-text

Sets the text of tooltip to be the given string.

Also see Tooltip::set_text().

This is a convenience property which will take care of getting the tooltip shown if the given string is not None: has-tooltip will automatically be set to true and there will be taken care of query-tooltip in the default signal handler.

Note that if both tooltip-text and tooltip-markup are set, the last one wins.

Readable | Writeable

§valign

How to distribute vertical space if widget gets extra space.

Readable | Writeable

§vexpand

Whether to expand vertically.

Readable | Writeable

§vexpand-set

Whether to use the vexpand property.

Readable | Writeable

§visible

Whether the widget is visible.

Readable | Writeable

§width-request

Override for width request of the widget.

If this is -1, the natural request will be used.

Readable | Writeable

Accessible

§accessible-role

The accessible role of the given Accessible implementation.

The accessible role cannot be changed once set.

Readable | Writeable

Editable

§cursor-position

The current position of the insertion cursor in chars.

Readable

§editable

Whether the entry contents can be edited.

Readable | Writeable

§enable-undo

If undo/redo should be enabled for the editable.

Readable | Writeable

§max-width-chars

The desired maximum width of the entry, in characters.

Readable | Writeable

§selection-bound

The position of the opposite end of the selection from the cursor in chars.

Readable

§text

The contents of the entry.

Readable | Writeable

§width-chars

Number of characters to leave space for in the entry.

Readable | Writeable

§xalign

The horizontal alignment, from 0 (left) to 1 (right).

Reversed for RTL layouts.

Readable | Writeable

§Signals

§activate

Emitted when the user hits the Enter key.

The default bindings for this signal are all forms of the Enter key.

Action

§backspace

Emitted when the user asks for it.

This is a keybinding signal.

The default bindings for this signal are Backspace and Shift+Backspace.

Action

§copy-clipboard

Emitted to copy the selection to the clipboard.

This is a keybinding signal.

The default bindings for this signal are Ctrl+c and Ctrl+Insert.

Action

§cut-clipboard

Emitted to cut the selection to the clipboard.

This is a keybinding signal.

The default bindings for this signal are Ctrl+x and Shift+Delete.

Action

§delete-from-cursor

Emitted when the user initiates a text deletion.

This is a keybinding signal.

If the @type_ is DeleteType::Chars, GTK deletes the selection if there is one, otherwise it deletes the requested number of characters.

The default bindings for this signal are Delete for deleting a character and Ctrl+Delete for deleting a word.

Action

§insert-at-cursor

Emitted when the user initiates the insertion of a fixed string at the cursor.

This is a keybinding signal.

This signal has no default bindings.

Action

§insert-emoji

Emitted to present the Emoji chooser for the widget.

This is a keybinding signal.

The default bindings for this signal are Ctrl+. and Ctrl+;

Action

§move-cursor

Emitted when the user initiates a cursor movement.

If the cursor is not visible in @self_, this signal causes the viewport to be moved instead.

This is a keybinding signal.

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 come in two variants, the variant with the Shift modifier extends the selection, the variant without it does not. There are too many key combinations to list them all here.

  • , , , move by individual characters/lines
  • Ctrl+, etc. move by words/paragraphs
  • Home and End move to the ends of the buffer

Action

§paste-clipboard

Emitted to paste the contents of the clipboard.

This is a keybinding signal.

The default bindings for this signal are Ctrl+v and Shift+Insert.

Action

§preedit-changed

Emitted when the preedit text changes.

If an input method is used, the typed text will not immediately be committed to the buffer. So if you are interested in the text, connect to this signal.

Action

§toggle-overwrite

Emitted to toggle the overwrite mode of the Text.

This is a keybinding signal.

The default bindings for this signal is Insert.

Action

Widget

§destroy

Signals that all holders of a reference to the widget should release the reference that they hold.

May result in finalization of the widget if all references are released.

This signal is not suitable for saving widget state.

§direction-changed

Emitted when the text direction of a widget changes.

§hide

Emitted when @widget is hidden.

§keynav-failed

Emitted if keyboard navigation fails.

See WidgetExt::keynav_failed() for details.

§map

Emitted when @widget is going to be mapped.

A widget is mapped when the widget is visible (which is controlled with visible) and all its parents up to the toplevel widget are also visible.

The ::map signal can be used to determine whether a widget will be drawn, for instance it can resume an animation that was stopped during the emission of unmap.

§mnemonic-activate

Emitted when a widget is activated via a mnemonic.

The default handler for this signal activates @widget if @group_cycling is false, or just makes @widget grab focus if @group_cycling is true.

§move-focus

Emitted when the focus is moved.

The ::move-focus signal is a keybinding signal.

The default bindings for this signal are Tab to move forward, and Shift+Tab to move backward.

Action

§query-tooltip

Emitted when the widget’s tooltip is about to be shown.

This happens when the has-tooltip property is true and the hover timeout has expired with the cursor hovering “above” @widget; or emitted when @widget got focus in keyboard mode.

Using the given coordinates, the signal handler should determine whether a tooltip should be shown for @widget. If this is the case true should be returned, false otherwise. Note that if @keyboard_mode is true, the values of @x and @y are undefined and should not be used.

The signal handler is free to manipulate @tooltip with the therefore destined function calls.

§realize

Emitted when @widget is associated with a gdk::Surface.

This means that WidgetExt::realize() has been called or the widget has been mapped (that is, it is going to be drawn).

§show

Emitted when @widget is shown.

§state-flags-changed

Emitted when the widget state changes.

See WidgetExt::state_flags().

§unmap

Emitted when @widget is going to be unmapped.

A widget is unmapped when either it or any of its parents up to the toplevel widget have been set as hidden.

As ::unmap indicates that a widget will not be shown any longer, it can be used to, for example, stop an animation on the widget.

§unrealize

Emitted when the gdk::Surface associated with @widget is destroyed.

This means that WidgetExt::unrealize() has been called or the widget has been unmapped (that is, it is going to be hidden).

Editable

§changed

Emitted at the end of a single user-visible operation on the contents.

E.g., a paste operation that replaces the contents of the selection will cause only one signal emission (even though it is implemented by first deleting the selection, then inserting the new content, and may cause multiple ::notify::text signals to be emitted).

§delete-text

Emitted when text is deleted from the widget by the user.

The default handler for this signal will normally be responsible for deleting the text, so by connecting to this signal and then stopping the signal with g_signal_stop_emission(), it is possible to modify the range of deleted text, or prevent it from being deleted entirely.

The @start_pos and @end_pos parameters are interpreted as for EditableExt::delete_text().

§insert-text

Emitted when text is inserted into the widget by the user.

The default handler for this signal will normally be responsible for inserting the text, so by connecting to this signal and then stopping the signal with g_signal_stop_emission(), it is possible to modify the inserted text, or prevent it from being inserted entirely.

§Implements

WidgetExt, [trait@glib::ObjectExt], AccessibleExt, BuildableExt, ConstraintTargetExt, AccessibleTextExt, EditableExt, WidgetExtManual, AccessibleExtManual, EditableExtManual

GLib type: GObject with reference counted clone semantics.

Implementations§

Source§

impl Text

Source

pub fn new() -> Text

Creates a new Text.

§Returns

a new Text.

Source

pub fn with_buffer(buffer: &impl IsA<EntryBuffer>) -> Text

Creates a new Text with the specified text buffer.

§buffer

The buffer to use for the new Text.

§Returns

a new Text

Source

pub fn builder() -> TextBuilder

Creates a new builder-pattern struct instance to construct Text objects.

This method returns an instance of TextBuilder which can be used to create Text objects.

Source

pub fn compute_cursor_extents(&self, position: usize) -> (Rect, Rect)

Available on crate feature v4_4 only.

Determine the positions of the strong and weak cursors if the insertion point in the layout is at @position.

The position of each cursor is stored as a zero-width rectangle. The strong cursor location is the location where characters of the directionality equal to the base direction are inserted. The weak cursor location is the location where characters of the directionality opposite to the base direction are inserted.

The rectangle positions are in widget coordinates.

§position

the character position

§Returns
§strong

location to store the strong cursor position

§weak

location to store the weak cursor position

Source

pub fn activates_default(&self) -> bool

Returns whether pressing Enter will activate the default widget for the window containing @self.

See set_activates_default().

§Returns

true if the Text will activate the default widget

Source

pub fn attributes(&self) -> Option<AttrList>

Gets the attribute list that was set on the Text.

See set_attributes().

§Returns

the attribute list

Source

pub fn buffer(&self) -> EntryBuffer

Get the EntryBuffer object which holds the text for this widget.

§Returns

A EntryBuffer object.

Source

pub fn enables_emoji_completion(&self) -> bool

Returns whether Emoji completion is enabled for this Text widget.

§Returns

true if Emoji completion is enabled

Source

pub fn extra_menu(&self) -> Option<MenuModel>

Gets the menu model for extra items in the context menu.

See set_extra_menu().

§Returns

the menu model

Source

pub fn input_hints(&self) -> InputHints

Gets the input hints of the Text.

§Returns

the input hints

Source

pub fn input_purpose(&self) -> InputPurpose

Gets the input purpose of the Text.

§Returns

the input purpose

Source

pub fn invisible_char(&self) -> char

Retrieves the character displayed when visibility is set to false.

Note that GTK does not compute this value unless it needs it, so the value returned by this function is not very useful unless it has been explicitly set with set_invisible_char().

§Returns

the current invisible char, or 0, if @text does not show invisible text at all.

Source

pub fn max_length(&self) -> i32

Retrieves the maximum allowed length of the text in @self.

See set_max_length().

This is equivalent to getting @self’s EntryBuffer and calling EntryBufferExtManual::max_length() on it.

§Returns

the maximum allowed number of characters in Text, or 0 if there is no maximum.

Source

pub fn is_overwrite_mode(&self) -> bool

Gets whether text is overwritten when typing in the Text.

See set_overwrite_mode().

§Returns

whether the text is overwritten when typing

Source

pub fn placeholder_text(&self) -> Option<GString>

Retrieves the text that will be displayed when @self is empty and unfocused

If no placeholder text has been set, None will be returned.

§Returns

the placeholder text

Source

pub fn propagates_text_width(&self) -> bool

Returns whether the Text will grow and shrink with the content.

§Returns

true if @self will propagate the text width

Source

pub fn tabs(&self) -> Option<TabArray>

Gets the tabstops that were set on the Text.

See set_tabs().

§Returns

the tabstops

Source

pub fn text_length(&self) -> u16

Retrieves the current length of the text in @self.

This is equivalent to getting @self’s EntryBuffer and calling EntryBufferExtManual::length() on it.

§Returns

the current number of characters in Text, or 0 if there are none.

Source

pub fn must_truncate_multiline(&self) -> bool

Returns whether the Text will truncate multi-line text that is pasted into the widget

§Returns

true if @self will truncate multi-line text

Source

pub fn is_visible(&self) -> bool

Retrieves whether the text in @self is visible.

§Returns

true if the text is currently visible

Source

pub fn grab_focus_without_selecting(&self) -> bool

Causes @self to have keyboard focus.

It behaves like WidgetExt::grab_focus(), except that it doesn’t select the contents of @self. You only want to call this on some special entries which the user usually doesn’t want to replace all text in, such as search-as-you-type entries.

§Returns

true if focus is now inside @self

Source

pub fn set_activates_default(&self, activates: bool)

If @activates is true, pressing Enter will activate the default widget for the window containing @self.

This usually means that the dialog containing the Text will be closed, since the default widget is usually one of the dialog buttons.

§activates

true to activate window’s default widget on Enter keypress

Source

pub fn set_attributes(&self, attrs: Option<&AttrList>)

Sets attributes that are applied to the text.

§attrs

a pango::AttrList

Source

pub fn set_buffer(&self, buffer: &impl IsA<EntryBuffer>)

Set the EntryBuffer object which holds the text for this widget.

§buffer

a EntryBuffer

Source

pub fn set_enable_emoji_completion(&self, enable_emoji_completion: bool)

Sets whether Emoji completion is enabled.

If it is, typing ‘:’, followed by a recognized keyword, will pop up a window with suggested Emojis matching the keyword.

§enable_emoji_completion

true to enable Emoji completion

Source

pub fn set_extra_menu(&self, model: Option<&impl IsA<MenuModel>>)

Sets a menu model to add when constructing the context menu for @self.

§model

a GMenuModel

Source

pub fn set_input_hints(&self, hints: InputHints)

Sets input hints that allow input methods to fine-tune their behaviour.

§hints

the hints

Source

pub fn set_input_purpose(&self, purpose: InputPurpose)

Sets the input purpose of the Text.

This can be used by on-screen keyboards and other input methods to adjust their behaviour.

§purpose

the purpose

Source

pub fn set_invisible_char(&self, ch: char)

Sets the character to use when in “password mode”.

By default, GTK picks the best invisible char available in the current font. If you set the invisible char to 0, then the user will get no feedback at all; there will be no text on the screen as they type.

§ch

a Unicode character

Source

pub fn set_max_length(&self, length: i32)

Sets the maximum allowed length of the contents of the widget.

If the current contents are longer than the given length, then they will be truncated to fit.

This is equivalent to getting @self’s EntryBuffer and calling EntryBufferExtManual::set_max_length() on it.

§length

the maximum length of the Text, or 0 for no maximum. (other than the maximum length of entries.) The value passed in will be clamped to the range 0-65536.

Source

pub fn set_overwrite_mode(&self, overwrite: bool)

Sets whether the text is overwritten when typing in the Text.

§overwrite

new value

Source

pub fn set_placeholder_text(&self, text: Option<&str>)

Sets text to be displayed in @self when it is empty.

This can be used to give a visual hint of the expected contents of the Text.

§text

a string to be displayed when @self is empty and unfocused

Source

pub fn set_propagate_text_width(&self, propagate_text_width: bool)

Sets whether the Text should grow and shrink with the content.

§propagate_text_width

true to propagate the text width

Source

pub fn set_tabs(&self, tabs: Option<&TabArray>)

Sets tabstops that are applied to the text.

§tabs

a pango::TabArray

Source

pub fn set_truncate_multiline(&self, truncate_multiline: bool)

Sets whether the Text should truncate multi-line text that is pasted into the widget.

§truncate_multiline

true to truncate multi-line text

Source

pub fn set_visibility(&self, visible: bool)

Sets whether the contents of the Text are visible or not.

When visibility is set to false, characters are displayed as the invisible char, and will also appear that way when the text in the widget is copied to the clipboard.

By default, GTK picks the best invisible character available in the current font, but it can be changed with set_invisible_char().

Note that you probably want to set input-purpose to InputPurpose::Password or InputPurpose::Pin to inform input methods about the purpose of this self, in addition to setting visibility to false.

§visible

true if the contents of the Text are displayed as plaintext

Source

pub fn unset_invisible_char(&self)

Unsets the invisible char.

After calling this, the default invisible char is used again.

Source

pub fn im_module(&self) -> Option<GString>

Which IM (input method) module should be used for this self.

See IMMulticontext.

Setting this to a non-None value overrides the system-wide IM module setting. See the gtk-im-module property.

Source

pub fn set_im_module(&self, im_module: Option<&str>)

Which IM (input method) module should be used for this self.

See IMMulticontext.

Setting this to a non-None value overrides the system-wide IM module setting. See the gtk-im-module property.

Source

pub fn is_invisible_char_set(&self) -> bool

Whether the invisible char has been set for the Text.

Source

pub fn scroll_offset(&self) -> i32

Number of pixels scrolled of the screen to the left.

Source

pub fn connect_activates_default_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_attributes_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_buffer_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_enable_emoji_completion_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_extra_menu_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_im_module_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_input_hints_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_input_purpose_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_invisible_char_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_invisible_char_set_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_max_length_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_overwrite_mode_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_placeholder_text_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_propagate_text_width_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_scroll_offset_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

Source

pub fn connect_tabs_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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pub fn connect_truncate_multiline_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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pub fn connect_visibility_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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impl Text

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pub fn connect_activate<F: Fn(&Text) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when the user hits the Enter key.

The default bindings for this signal are all forms of the Enter key.

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pub fn connect_backspace<F: Fn(&Text) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when the user asks for it.

This is a keybinding signal.

The default bindings for this signal are Backspace and Shift+Backspace.

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pub fn connect_copy_clipboard<F: Fn(&Text) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted to copy the selection to the clipboard.

This is a keybinding signal.

The default bindings for this signal are Ctrl+c and Ctrl+Insert.

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pub fn connect_cut_clipboard<F: Fn(&Text) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted to cut the selection to the clipboard.

This is a keybinding signal.

The default bindings for this signal are Ctrl+x and Shift+Delete.

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pub fn connect_delete_from_cursor<F: Fn(&Text, DeleteType, i32) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the user initiates a text deletion.

This is a keybinding signal.

If the @type_ is DeleteType::Chars, GTK deletes the selection if there is one, otherwise it deletes the requested number of characters.

The default bindings for this signal are Delete for deleting a character and Ctrl+Delete for deleting a word.

§type_

the granularity of the deletion, as a DeleteType

§count

the number of @type_ units to delete

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pub fn connect_insert_at_cursor<F: Fn(&Text, &str) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the user initiates the insertion of a fixed string at the cursor.

This is a keybinding signal.

This signal has no default bindings.

§string

the string to insert

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pub fn connect_insert_emoji<F: Fn(&Text) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted to present the Emoji chooser for the widget.

This is a keybinding signal.

The default bindings for this signal are Ctrl+. and Ctrl+;

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pub fn connect_move_cursor<F: Fn(&Text, MovementStep, i32, bool) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the user initiates a cursor movement.

If the cursor is not visible in @self_, this signal causes the viewport to be moved instead.

This is a keybinding signal.

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 come in two variants, the variant with the Shift modifier extends the selection, the variant without it does not. There are too many key combinations to list them all here.

  • , , , move by individual characters/lines
  • Ctrl+, etc. move by words/paragraphs
  • Home and End move to the ends of the buffer
§step

the granularity of the move, as a MovementStep

§count

the number of @step units to move

§extend

true if the move should extend the selection

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pub fn connect_paste_clipboard<F: Fn(&Text) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted to paste the contents of the clipboard.

This is a keybinding signal.

The default bindings for this signal are Ctrl+v and Shift+Insert.

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pub fn connect_populate_popup<F: Fn(&Text, &Widget) + 'static>( &self, f: F, ) -> SignalHandlerId

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pub fn connect_preedit_changed<F: Fn(&Text, &str) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the preedit text changes.

If an input method is used, the typed text will not immediately be committed to the buffer. So if you are interested in the text, connect to this signal.

§preedit

the current preedit string

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pub fn connect_toggle_overwrite<F: Fn(&Text) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted to toggle the overwrite mode of the Text.

This is a keybinding signal.

The default bindings for this signal is Insert.

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pub fn emit_activate(&self)

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pub fn emit_backspace(&self)

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pub fn emit_copy_clipboard(&self)

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pub fn emit_cut_clipboard(&self)

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pub fn emit_delete_from_cursor(&self, type_: DeleteType, count: i32)

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pub fn emit_insert_at_cursor(&self, string: impl IntoGStr)

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pub fn emit_insert_emoji(&self)

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pub fn emit_move_cursor(&self, step: MovementStep, count: i32, extend: bool)

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pub fn emit_paste_clipboard(&self)

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pub fn emit_preedit_changed(&self, preedit: impl IntoGStr)

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pub fn emit_toggle_overwrite(&self)

Trait Implementations§

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impl Clone for Text

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fn clone(&self) -> Self

Makes a clone of this shared reference.

This increments the strong reference count of the object. Dropping the object will decrement it again.

1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Text

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for Text

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl HasParamSpec for Text

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type ParamSpec = ParamSpecObject

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type SetValue = Text

Preferred value to be used as setter for the associated ParamSpec.
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type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, Text>

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fn param_spec_builder() -> Self::BuilderFn

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impl Hash for Text

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fn hash<H>(&self, state: &mut H)
where H: Hasher,

Hashes the memory address of this object.

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fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl Ord for Text

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fn cmp(&self, other: &Self) -> Ordering

Comparison for two GObjects.

Compares the memory addresses of the provided objects.

1.21.0 · Source§

fn max(self, other: Self) -> Self
where Self: Sized,

Compares and returns the maximum of two values. Read more
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fn min(self, other: Self) -> Self
where Self: Sized,

Compares and returns the minimum of two values. Read more
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fn clamp(self, min: Self, max: Self) -> Self
where Self: Sized,

Restrict a value to a certain interval. Read more
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impl ParentClassIs for Text

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impl<OT: ObjectType> PartialEq<OT> for Text

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fn eq(&self, other: &OT) -> bool

Equality for two GObjects.

Two GObjects are equal if their memory addresses are equal.

1.0.0 · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl<OT: ObjectType> PartialOrd<OT> for Text

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fn partial_cmp(&self, other: &OT) -> Option<Ordering>

Partial comparison for two GObjects.

Compares the memory addresses of the provided objects.

1.0.0 · Source§

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator. Read more
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fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator. Read more
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fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator. Read more
1.0.0 · Source§

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator. Read more
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impl StaticType for Text

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fn static_type() -> Type

Returns the type identifier of Self.
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impl Eq for Text

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impl IsA<Accessible> for Text

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impl IsA<AccessibleText> for Text

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impl IsA<Buildable> for Text

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impl IsA<ConstraintTarget> for Text

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impl IsA<Editable> for Text

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impl IsA<Widget> for Text

Auto Trait Implementations§

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impl Freeze for Text

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impl RefUnwindSafe for Text

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impl !Send for Text

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impl !Sync for Text

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impl Unpin for Text

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impl UnwindSafe for Text

Blanket Implementations§

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impl<O> AccessibleExt for O
where O: IsA<Accessible>,

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fn announce(&self, message: &str, priority: AccessibleAnnouncementPriority)

Available on crate feature v4_14 only.
Requests the user’s screen reader to announce the given message. Read more
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fn accessible_parent(&self) -> Option<Accessible>

Available on crate feature v4_10 only.
Retrieves the accessible parent for an accessible object. Read more
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fn accessible_role(&self) -> AccessibleRole

Retrieves the accessible role of an accessible object. Read more
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fn at_context(&self) -> ATContext

Available on crate feature v4_10 only.
Retrieves the accessible implementation for the given Accessible. Read more
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fn bounds(&self) -> Option<(i32, i32, i32, i32)>

Available on crate feature v4_10 only.
Queries the coordinates and dimensions of this accessible Read more
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fn first_accessible_child(&self) -> Option<Accessible>

Available on crate feature v4_10 only.
Retrieves the first accessible child of an accessible object. Read more
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fn next_accessible_sibling(&self) -> Option<Accessible>

Available on crate feature v4_10 only.
Retrieves the next accessible sibling of an accessible object Read more
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fn platform_state(&self, state: AccessiblePlatformState) -> bool

Available on crate feature v4_10 only.
Query a platform state, such as focus. Read more
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fn reset_property(&self, property: AccessibleProperty)

Resets the accessible @property to its default value. Read more
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fn reset_relation(&self, relation: AccessibleRelation)

Resets the accessible @relation to its default value. Read more
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fn reset_state(&self, state: AccessibleState)

Resets the accessible @state to its default value. Read more
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fn set_accessible_parent( &self, parent: Option<&impl IsA<Accessible>>, next_sibling: Option<&impl IsA<Accessible>>, )

Available on crate feature v4_10 only.
Sets the parent and sibling of an accessible object. Read more
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fn update_next_accessible_sibling( &self, new_sibling: Option<&impl IsA<Accessible>>, )

Available on crate feature v4_10 only.
Updates the next accessible sibling of @self. Read more
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fn set_accessible_role(&self, accessible_role: AccessibleRole)

The accessible role of the given Accessible implementation. Read more
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fn connect_accessible_role_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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impl<O> AccessibleExtManual for O
where O: IsA<Accessible>,

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fn update_property(&self, properties: &[Property<'_>])

Updates an array of accessible properties. Read more
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fn update_relation(&self, relations: &[Relation<'_>])

Updates an array of accessible relations. Read more
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fn update_state(&self, states: &[State])

Updates an array of accessible states. Read more
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impl<O> AccessibleTextExt for O
where O: IsA<AccessibleText>,

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fn update_caret_position(&self)

Available on crate feature v4_14 only.
Updates the position of the caret. Read more
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fn update_contents( &self, change: AccessibleTextContentChange, start: u32, end: u32, )

Available on crate feature v4_14 only.
Notifies assistive technologies of a change in contents. Read more
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fn update_selection_bound(&self)

Available on crate feature v4_14 only.
Updates the boundary of the selection. Read more
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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<O> BuildableExt for O
where O: IsA<Buildable>,

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fn buildable_id(&self) -> Option<GString>

Gets the ID of the @self object. Read more
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impl<T> Cast for T
where T: ObjectType,

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fn upcast<T>(self) -> T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a superclass or interface T. Read more
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fn upcast_ref<T>(&self) -> &T
where T: ObjectType, Self: IsA<T>,

Upcasts an object to a reference of its superclass or interface T. Read more
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fn downcast<T>(self) -> Result<T, Self>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a subclass or interface implementor T. Read more
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fn downcast_ref<T>(&self) -> Option<&T>
where T: ObjectType, Self: MayDowncastTo<T>,

Tries to downcast to a reference of its subclass or interface implementor T. Read more
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fn dynamic_cast<T>(self) -> Result<T, Self>
where T: ObjectType,

Tries to cast to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while upcast will do many checks at compile-time already. downcast will perform the same checks at runtime as dynamic_cast, but will also ensure some amount of compile-time safety. Read more
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fn dynamic_cast_ref<T>(&self) -> Option<&T>
where T: ObjectType,

Tries to cast to reference to an object of type T. This handles upcasting, downcasting and casting between interface and interface implementors. All checks are performed at runtime, while downcast and upcast will do many checks at compile-time already. Read more
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unsafe fn unsafe_cast<T>(self) -> T
where T: ObjectType,

Casts to T unconditionally. Read more
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unsafe fn unsafe_cast_ref<T>(&self) -> &T
where T: ObjectType,

Casts to &T unconditionally. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<O> EditableExt for O
where O: IsA<Editable>,

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fn delegate_get_accessible_platform_state( &self, state: AccessiblePlatformState, ) -> bool

Available on crate feature v4_10 only.
Retrieves the accessible platform state from the editable delegate. Read more
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fn delete_selection(&self)

Deletes the currently selected text of the editable. Read more
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fn delete_text(&self, start_pos: i32, end_pos: i32)

Deletes a sequence of characters. Read more
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fn finish_delegate(&self)

Undoes the setup done by init_delegate(). Read more
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fn alignment(&self) -> f32

Gets the alignment of the editable. Read more
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fn chars(&self, start_pos: i32, end_pos: i32) -> GString

Retrieves a sequence of characters. Read more
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fn delegate(&self) -> Option<Editable>

Gets the Editable that @self is delegating its implementation to. Read more
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fn is_editable(&self) -> bool

Retrieves whether @self is editable. Read more
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fn enables_undo(&self) -> bool

Gets if undo/redo actions are enabled for @self Read more
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fn max_width_chars(&self) -> i32

Retrieves the desired maximum width of @self, in characters. Read more
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fn position(&self) -> i32

Retrieves the current position of the cursor relative to the start of the content of the editable. Read more
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fn selection_bounds(&self) -> Option<(i32, i32)>

Retrieves the selection bound of the editable. Read more
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fn text(&self) -> GString

Retrieves the contents of @self. Read more
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fn width_chars(&self) -> i32

Gets the number of characters of space reserved for the contents of the editable. Read more
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fn init_delegate(&self)

Sets up a delegate for Editable. Read more
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fn insert_text(&self, text: &str, position: &mut i32)

Inserts @length bytes of @text into the contents of the widget, at position @position. Read more
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fn select_region(&self, start_pos: i32, end_pos: i32)

Selects a region of text. Read more
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fn set_alignment(&self, xalign: f32)

Sets the alignment for the contents of the editable. Read more
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fn set_editable(&self, is_editable: bool)

Determines if the user can edit the text in the editable widget. Read more
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fn set_enable_undo(&self, enable_undo: bool)

If enabled, changes to @self will be saved for undo/redo actions. Read more
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fn set_max_width_chars(&self, n_chars: i32)

Sets the desired maximum width in characters of @self. Read more
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fn set_position(&self, position: i32)

Sets the cursor position in the editable to the given value. Read more
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fn set_text(&self, text: &str)

Sets the text in the editable to the given value. Read more
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fn set_width_chars(&self, n_chars: i32)

Changes the size request of the editable to be about the right size for @n_chars characters. Read more
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fn selection_bound(&self) -> i32

The position of the opposite end of the selection from the cursor in chars.
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fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted at the end of a single user-visible operation on the contents. Read more
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fn connect_delete_text<F: Fn(&Self, i32, i32) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when text is deleted from the widget by the user. Read more
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fn connect_cursor_position_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_editable_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_enable_undo_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_max_width_chars_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_selection_bound_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_text_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_width_chars_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_xalign_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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impl<O> EditableExtManual for O
where O: IsA<Editable>,

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fn connect_insert_text<F>(&self, f: F) -> SignalHandlerId
where F: Fn(&Self, &str, &mut i32) + 'static,

Emitted when text is inserted into the widget by the user. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *const GList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(_: *const GList, _: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GList, _: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *const GPtrArray, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec( _: *const GPtrArray, _: usize, ) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GPtrArray, _: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *const GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(_: *const GSList, _: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GList, num: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec( ptr: *mut GPtrArray, num: usize, ) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GPtrArray, num: usize) -> Vec<T>

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impl<T> FromGlibContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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unsafe fn from_glib_none_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_container_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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unsafe fn from_glib_full_num_as_vec(ptr: *mut GSList, num: usize) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GList> for T

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unsafe fn from_glib_none_as_vec(ptr: *const GList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GList) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GPtrArray> for T

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unsafe fn from_glib_none_as_vec(ptr: *const GPtrArray) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GPtrArray) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GPtrArray) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *const GSList> for T

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unsafe fn from_glib_none_as_vec(ptr: *const GSList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(_: *const GSList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(_: *const GSList) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GList> for T

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unsafe fn from_glib_none_as_vec(ptr: *mut GList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GList) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GPtrArray> for T

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unsafe fn from_glib_none_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GPtrArray) -> Vec<T>

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impl<T> FromGlibPtrArrayContainerAsVec<<T as GlibPtrDefault>::GlibType, *mut GSList> for T

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unsafe fn from_glib_none_as_vec(ptr: *mut GSList) -> Vec<T>

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unsafe fn from_glib_container_as_vec(ptr: *mut GSList) -> Vec<T>

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unsafe fn from_glib_full_as_vec(ptr: *mut GSList) -> Vec<T>

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impl<O> GObjectPropertyExpressionExt for O
where O: IsA<Object>,

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fn property_expression(&self, property_name: &str) -> PropertyExpression

Create an expression looking up an object’s property.
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fn property_expression_weak(&self, property_name: &str) -> PropertyExpression

Create an expression looking up an object’s property with a weak reference.
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fn this_expression(property_name: &str) -> PropertyExpression

Create an expression looking up a property in the bound this object.
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoClosureReturnValue for T
where T: Into<Value>,

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impl<U> IsSubclassableExt for U

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impl<T> ObjectExt for T
where T: ObjectType,

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fn is<U>(&self) -> bool
where U: StaticType,

Returns true if the object is an instance of (can be cast to) T.
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fn type_(&self) -> Type

Returns the type of the object.
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fn object_class(&self) -> &Class<Object>

Returns the ObjectClass of the object. Read more
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fn class(&self) -> &Class<T>
where T: IsClass,

Returns the class of the object.
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fn class_of<U>(&self) -> Option<&Class<U>>
where U: IsClass,

Returns the class of the object in the given type T. Read more
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fn interface<U>(&self) -> Option<InterfaceRef<'_, U>>
where U: IsInterface,

Returns the interface T of the object. Read more
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fn set_property(&self, property_name: &str, value: impl Into<Value>)

Sets the property property_name of the object to value value. Read more
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fn set_property_from_value(&self, property_name: &str, value: &Value)

Sets the property property_name of the object to value value. Read more
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fn set_properties(&self, property_values: &[(&str, &dyn ToValue)])

Sets multiple properties of the object at once. Read more
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fn set_properties_from_value(&self, property_values: &[(&str, Value)])

Sets multiple properties of the object at once. Read more
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fn property<V>(&self, property_name: &str) -> V
where V: for<'b> FromValue<'b> + 'static,

Gets the property property_name of the object and cast it to the type V. Read more
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fn property_value(&self, property_name: &str) -> Value

Gets the property property_name of the object. Read more
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fn has_property(&self, property_name: &str, type_: Option<Type>) -> bool

Check if the object has a property property_name of the given type_. Read more
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fn property_type(&self, property_name: &str) -> Option<Type>

Get the type of the property property_name of this object. Read more
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fn find_property(&self, property_name: &str) -> Option<ParamSpec>

Get the ParamSpec of the property property_name of this object.
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fn list_properties(&self) -> PtrSlice<ParamSpec>

Return all ParamSpec of the properties of this object.
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fn freeze_notify(&self) -> PropertyNotificationFreezeGuard

Freeze all property notifications until the return guard object is dropped. Read more
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unsafe fn set_qdata<QD>(&self, key: Quark, value: QD)
where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn qdata<QD>(&self, key: Quark) -> Option<NonNull<QD>>
where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_qdata<QD>(&self, key: Quark) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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unsafe fn set_data<QD>(&self, key: &str, value: QD)
where QD: 'static,

Set arbitrary data on this object with the given key. Read more
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unsafe fn data<QD>(&self, key: &str) -> Option<NonNull<QD>>
where QD: 'static,

Return previously set arbitrary data of this object with the given key. Read more
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unsafe fn steal_data<QD>(&self, key: &str) -> Option<QD>
where QD: 'static,

Retrieve previously set arbitrary data of this object with the given key. Read more
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fn block_signal(&self, handler_id: &SignalHandlerId)

Block a given signal handler. Read more
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fn unblock_signal(&self, handler_id: &SignalHandlerId)

Unblock a given signal handler.
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fn stop_signal_emission(&self, signal_id: SignalId, detail: Option<Quark>)

Stop emission of the currently emitted signal.
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fn stop_signal_emission_by_name(&self, signal_name: &str)

Stop emission of the currently emitted signal by the (possibly detailed) signal name.
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fn connect<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + Send + Sync + 'static,

Connect to the signal signal_id on this object. Read more
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fn connect_local<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_name on this object. Read more
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fn connect_local_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value> + 'static,

Connect to the signal signal_id on this object. Read more
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unsafe fn connect_unsafe<F>( &self, signal_name: &str, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_name on this object. Read more
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unsafe fn connect_unsafe_id<F>( &self, signal_id: SignalId, details: Option<Quark>, after: bool, callback: F, ) -> SignalHandlerId
where F: Fn(&[Value]) -> Option<Value>,

Connect to the signal signal_id on this object. Read more
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fn connect_closure( &self, signal_name: &str, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_name on this object. Read more
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fn connect_closure_id( &self, signal_id: SignalId, details: Option<Quark>, after: bool, closure: RustClosure, ) -> SignalHandlerId

Connect a closure to the signal signal_id on this object. Read more
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fn watch_closure(&self, closure: &impl AsRef<Closure>)

Limits the lifetime of closure to the lifetime of the object. When the object’s reference count drops to zero, the closure will be invalidated. An invalidated closure will ignore any calls to invoke_with_values, or invoke when using Rust closures.
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fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> R

Emit signal by signal id. Read more
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fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>

Same as Self::emit but takes Value for the arguments.
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fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> R

Emit signal by its name. Read more
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fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>

Emit signal by its name. Read more
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fn emit_by_name_with_details<R>( &self, signal_name: &str, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by its name with details. Read more
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fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by its name with details. Read more
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fn emit_with_details<R>( &self, signal_id: SignalId, details: Quark, args: &[&dyn ToValue], ) -> R

Emit signal by signal id with details. Read more
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fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>

Emit signal by signal id with details. Read more
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fn disconnect(&self, handler_id: SignalHandlerId)

Disconnect a previously connected signal handler.
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fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + Send + Sync + 'static,

Connect to the notify signal of the object. Read more
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fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
where F: Fn(&T, &ParamSpec) + 'static,

Connect to the notify signal of the object. Read more
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unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
where F: Fn(&T, &ParamSpec),

Connect to the notify signal of the object. Read more
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fn notify(&self, property_name: &str)

Notify that the given property has changed its value. Read more
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fn notify_by_pspec(&self, pspec: &ParamSpec)

Notify that the given property has changed its value. Read more
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fn downgrade(&self) -> WeakRef<T>

Downgrade this object to a weak reference.
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fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + Send + 'static,

Add a callback to be notified when the Object is disposed.
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fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>
where F: FnOnce() + 'static,

Add a callback to be notified when the Object is disposed. Read more
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fn bind_property<'a, 'f, 't, O>( &'a self, source_property: &'a str, target: &'a O, target_property: &'a str, ) -> BindingBuilder<'a, 'f, 't>
where O: ObjectType,

Bind property source_property on this object to the target_property on the target object. Read more
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fn ref_count(&self) -> u32

Returns the strong reference count of this object.
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unsafe fn run_dispose(&self)

Runs the dispose mechanism of the object. Read more
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impl<T> Property for T
where T: HasParamSpec,

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type Value = T

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impl<T> PropertyGet for T
where T: HasParamSpec,

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type Value = T

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fn get<R, F>(&self, f: F) -> R
where F: Fn(&<T as PropertyGet>::Value) -> R,

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impl<T> StaticTypeExt for T
where T: StaticType,

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fn ensure_type()

Ensures that the type has been registered with the type system.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> TransparentType for T

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T> TryFromClosureReturnValue for T
where T: for<'a> FromValue<'a> + StaticType + 'static,

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<O> WidgetExt for O
where O: IsA<Widget>,

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fn action_set_enabled(&self, action_name: &str, enabled: bool)

Enable or disable an action installed with gtk_widget_class_install_action(). Read more
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fn activate(&self) -> bool

For widgets that can be “activated” (buttons, menu items, etc.), this function activates them. Read more
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fn activate_action( &self, name: &str, args: Option<&Variant>, ) -> Result<(), BoolError>

Looks up the action in the action groups associated with @self and its ancestors, and activates it. Read more
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fn activate_default(&self)

Activates the default.activate action from @self.
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fn add_controller(&self, controller: impl IsA<EventController>)

Adds @controller to @self so that it will receive events. Read more
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fn add_css_class(&self, css_class: &str)

Adds a style class to @self. Read more
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fn add_mnemonic_label(&self, label: &impl IsA<Widget>)

Adds a widget to the list of mnemonic labels for this widget. Read more
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fn allocate( &self, width: i32, height: i32, baseline: i32, transform: Option<Transform>, )

This function is only used by Widget subclasses, to assign a size, position and (optionally) baseline to their child widgets. Read more
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fn child_focus(&self, direction: DirectionType) -> bool

Called by widgets as the user moves around the window using keyboard shortcuts. Read more
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fn compute_bounds(&self, target: &impl IsA<Widget>) -> Option<Rect>

Computes the bounds for @self in the coordinate space of @target. Read more
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fn compute_expand(&self, orientation: Orientation) -> bool

Computes whether a container should give this widget extra space when possible. Read more
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fn compute_point( &self, target: &impl IsA<Widget>, point: &Point, ) -> Option<Point>

Translates the given @point in @self’s coordinates to coordinates relative to @target’s coordinate system. Read more
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fn compute_transform(&self, target: &impl IsA<Widget>) -> Option<Matrix>

Computes a matrix suitable to describe a transformation from @self’s coordinate system into @target’s coordinate system. Read more
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fn contains(&self, x: f64, y: f64) -> bool

Tests if the point at (@x, @y) is contained in @self. Read more
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fn create_pango_context(&self) -> Context

Creates a new pango::Context with the appropriate font map, font options, font description, and base direction for drawing text for this widget. Read more
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fn create_pango_layout(&self, text: Option<&str>) -> Layout

Creates a new pango::Layout with the appropriate font map, font description, and base direction for drawing text for this widget. Read more
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fn drag_check_threshold( &self, start_x: i32, start_y: i32, current_x: i32, current_y: i32, ) -> bool

Checks to see if a drag movement has passed the GTK drag threshold. Read more
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fn error_bell(&self)

Notifies the user about an input-related error on this widget. Read more
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fn allocated_baseline(&self) -> i32

👎Deprecated: Since 4.12
Returns the baseline that has currently been allocated to @self. Read more
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fn allocated_height(&self) -> i32

👎Deprecated: Since 4.12
Returns the height that has currently been allocated to @self. Read more
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fn allocated_width(&self) -> i32

👎Deprecated: Since 4.12
Returns the width that has currently been allocated to @self. Read more
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fn allocation(&self) -> Allocation

👎Deprecated: Since 4.12
Retrieves the widget’s allocation. Read more
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fn ancestor(&self, widget_type: Type) -> Option<Widget>

Gets the first ancestor of @self with type @widget_type. Read more
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fn baseline(&self) -> i32

Available on crate feature v4_12 only.
Returns the baseline that has currently been allocated to @self. Read more
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fn can_focus(&self) -> bool

Determines whether the input focus can enter @self or any of its children. Read more
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fn can_target(&self) -> bool

Queries whether @self can be the target of pointer events. Read more
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fn is_child_visible(&self) -> bool

Gets the value set with gtk_widget_set_child_visible(). Read more
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fn clipboard(&self) -> Clipboard

Gets the clipboard object for @self. Read more
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fn color(&self) -> RGBA

Available on crate feature v4_10 only.
Gets the current foreground color for the widget’s CSS style. Read more
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fn css_classes(&self) -> Vec<GString>

Returns the list of style classes applied to @self. Read more
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fn css_name(&self) -> GString

Returns the CSS name that is used for @self. Read more
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fn cursor(&self) -> Option<Cursor>

Queries the cursor set on @self. Read more
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fn direction(&self) -> TextDirection

Gets the reading direction for a particular widget. Read more
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fn display(&self) -> Display

Get the gdk::Display for the toplevel window associated with this widget. Read more
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fn first_child(&self) -> Option<Widget>

Returns the widget’s first child. Read more
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fn focus_child(&self) -> Option<Widget>

Returns the current focus child of @self. Read more
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fn gets_focus_on_click(&self) -> bool

Returns whether the widget should grab focus when it is clicked with the mouse. Read more
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fn is_focusable(&self) -> bool

Determines whether @self can own the input focus. Read more
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fn font_map(&self) -> Option<FontMap>

Gets the font map of @self. Read more
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fn font_options(&self) -> Option<FontOptions>

👎Deprecated: Since 4.16
Returns the cairo::FontOptions of widget. Read more
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fn frame_clock(&self) -> Option<FrameClock>

Obtains the frame clock for a widget. Read more
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fn halign(&self) -> Align

Gets the horizontal alignment of @self. Read more
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fn has_tooltip(&self) -> bool

Returns the current value of the has-tooltip property. Read more
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fn height(&self) -> i32

Returns the content height of the widget. Read more
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fn hexpands(&self) -> bool

Gets whether the widget would like any available extra horizontal space. Read more
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fn is_hexpand_set(&self) -> bool

Gets whether gtk_widget_set_hexpand() has been used to explicitly set the expand flag on this widget. Read more
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fn last_child(&self) -> Option<Widget>

Returns the widget’s last child. Read more
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fn layout_manager(&self) -> Option<LayoutManager>

Retrieves the layout manager used by @self. Read more
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fn is_mapped(&self) -> bool

Whether the widget is mapped. Read more
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fn margin_bottom(&self) -> i32

Gets the bottom margin of @self. Read more
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fn margin_end(&self) -> i32

Gets the end margin of @self. Read more
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fn margin_start(&self) -> i32

Gets the start margin of @self. Read more
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fn margin_top(&self) -> i32

Gets the top margin of @self. Read more
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fn widget_name(&self) -> GString

Retrieves the name of a widget. Read more
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fn native(&self) -> Option<Native>

Returns the nearest Native ancestor of @self. Read more
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fn next_sibling(&self) -> Option<Widget>

Returns the widget’s next sibling. Read more
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fn opacity(&self) -> f64

#Fetches the requested opacity for this widget. Read more
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fn overflow(&self) -> Overflow

Returns the widget’s overflow value. Read more
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fn pango_context(&self) -> Context

Gets a pango::Context with the appropriate font map, font description, and base direction for this widget. Read more
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fn parent(&self) -> Option<Widget>

Returns the parent widget of @self. Read more
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fn preferred_size(&self) -> (Requisition, Requisition)

Retrieves the minimum and natural size of a widget, taking into account the widget’s preference for height-for-width management. Read more
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fn prev_sibling(&self) -> Option<Widget>

Returns the widget’s previous sibling. Read more
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fn primary_clipboard(&self) -> Clipboard

Gets the primary clipboard of @self. Read more
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fn is_realized(&self) -> bool

Determines whether @self is realized. Read more
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fn receives_default(&self) -> bool

Determines whether @self is always treated as the default widget within its toplevel when it has the focus, even if another widget is the default. Read more
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fn request_mode(&self) -> SizeRequestMode

Gets whether the widget prefers a height-for-width layout or a width-for-height layout. Read more
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fn root(&self) -> Option<Root>

Returns the Root widget of @self. Read more
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fn scale_factor(&self) -> i32

Retrieves the internal scale factor that maps from window coordinates to the actual device pixels. Read more
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fn get_sensitive(&self) -> bool

Returns the widget’s sensitivity. Read more
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fn settings(&self) -> Settings

Gets the settings object holding the settings used for this widget. Read more
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fn size(&self, orientation: Orientation) -> i32

Returns the content width or height of the widget. Read more
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fn size_request(&self) -> (i32, i32)

Gets the size request that was explicitly set for the widget using gtk_widget_set_size_request(). Read more
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fn state_flags(&self) -> StateFlags

Returns the widget state as a flag set. Read more
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fn style_context(&self) -> StyleContext

👎Deprecated: Since 4.10
Returns the style context associated to @self. Read more
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fn tooltip_markup(&self) -> Option<GString>

Gets the contents of the tooltip for @self. Read more
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fn tooltip_text(&self) -> Option<GString>

Gets the contents of the tooltip for @self. Read more
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fn valign(&self) -> Align

Gets the vertical alignment of @self. Read more
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fn vexpands(&self) -> bool

Gets whether the widget would like any available extra vertical space. Read more
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fn is_vexpand_set(&self) -> bool

Gets whether gtk_widget_set_vexpand() has been used to explicitly set the expand flag on this widget. Read more
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fn get_visible(&self) -> bool

Determines whether the widget is visible. Read more
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fn width(&self) -> i32

Returns the content width of the widget. Read more
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fn grab_focus(&self) -> bool

Causes @self to have the keyboard focus for the Window it’s inside. Read more
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fn has_css_class(&self, css_class: &str) -> bool

Returns whether @css_class is currently applied to @self. Read more
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fn has_default(&self) -> bool

Determines whether @self is the current default widget within its toplevel. Read more
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fn has_focus(&self) -> bool

Determines if the widget has the global input focus. Read more
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fn has_visible_focus(&self) -> bool

Determines if the widget should show a visible indication that it has the global input focus. Read more
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fn hide(&self)

👎Deprecated: Since 4.10
Reverses the effects of gtk_widget_show(). Read more
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fn in_destruction(&self) -> bool

Returns whether the widget is currently being destroyed. Read more
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fn insert_action_group(&self, name: &str, group: Option<&impl IsA<ActionGroup>>)

Inserts @group into @self. Read more
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fn insert_after( &self, parent: &impl IsA<Widget>, previous_sibling: Option<&impl IsA<Widget>>, )

Inserts @self into the child widget list of @parent. Read more
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fn insert_before( &self, parent: &impl IsA<Widget>, next_sibling: Option<&impl IsA<Widget>>, )

Inserts @self into the child widget list of @parent. Read more
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fn is_ancestor(&self, ancestor: &impl IsA<Widget>) -> bool

Determines whether @self is somewhere inside @ancestor, possibly with intermediate containers. Read more
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fn is_drawable(&self) -> bool

Determines whether @self can be drawn to. Read more
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fn is_focus(&self) -> bool

Determines if the widget is the focus widget within its toplevel. Read more
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fn is_sensitive(&self) -> bool

Returns the widget’s effective sensitivity. Read more
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fn is_visible(&self) -> bool

Determines whether the widget and all its parents are marked as visible. Read more
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fn keynav_failed(&self, direction: DirectionType) -> bool

Emits the ::keynav-failed signal on the widget. Read more
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fn list_mnemonic_labels(&self) -> Vec<Widget>

Returns the widgets for which this widget is the target of a mnemonic. Read more
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fn map(&self)

Causes a widget to be mapped if it isn’t already. Read more
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fn measure( &self, orientation: Orientation, for_size: i32, ) -> (i32, i32, i32, i32)

Measures @self in the orientation @orientation and for the given @for_size. Read more
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fn mnemonic_activate(&self, group_cycling: bool) -> bool

Emits the ::mnemonic-activate signal. Read more
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fn observe_children(&self) -> ListModel

Returns a GListModel to track the children of @self. Read more
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fn observe_controllers(&self) -> ListModel

Returns a GListModel to track the EventControllers of @self. Read more
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fn pick(&self, x: f64, y: f64, flags: PickFlags) -> Option<Widget>

Finds the descendant of @self closest to the point (@x, @y). Read more
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fn queue_allocate(&self)

Flags the widget for a rerun of the WidgetImpl::size_allocate() function. Read more
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fn queue_draw(&self)

Schedules this widget to be redrawn in the paint phase of the current or the next frame. Read more
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fn queue_resize(&self)

Flags a widget to have its size renegotiated. Read more
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fn realize(&self)

Creates the GDK resources associated with a widget. Read more
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fn remove_controller(&self, controller: &impl IsA<EventController>)

Removes @controller from @self, so that it doesn’t process events anymore. Read more
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fn remove_css_class(&self, css_class: &str)

Removes a style from @self. Read more
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fn remove_mnemonic_label(&self, label: &impl IsA<Widget>)

Removes a widget from the list of mnemonic labels for this widget. Read more
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fn set_can_focus(&self, can_focus: bool)

Specifies whether the input focus can enter the widget or any of its children. Read more
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fn set_can_target(&self, can_target: bool)

Sets whether @self can be the target of pointer events. Read more
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fn set_child_visible(&self, child_visible: bool)

Sets whether @self should be mapped along with its parent. Read more
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fn set_css_classes(&self, classes: &[&str])

Clear all style classes applied to @self and replace them with @classes. Read more
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fn set_cursor(&self, cursor: Option<&Cursor>)

Sets the cursor to be shown when pointer devices point towards @self. Read more
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fn set_cursor_from_name(&self, name: Option<&str>)

Sets a named cursor to be shown when pointer devices point towards @self. Read more
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fn set_direction(&self, dir: TextDirection)

Sets the reading direction on a particular widget. Read more
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fn set_focus_child(&self, child: Option<&impl IsA<Widget>>)

Set @child as the current focus child of @self. Read more
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fn set_focus_on_click(&self, focus_on_click: bool)

Sets whether the widget should grab focus when it is clicked with the mouse. Read more
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fn set_focusable(&self, focusable: bool)

Specifies whether @self can own the input focus. Read more
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fn set_font_map(&self, font_map: Option<&impl IsA<FontMap>>)

Sets the font map to use for Pango rendering. Read more
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fn set_font_options(&self, options: Option<&FontOptions>)

👎Deprecated: Since 4.16
Sets the cairo::FontOptions used for Pango rendering in this widget. Read more
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fn set_halign(&self, align: Align)

Sets the horizontal alignment of @self. Read more
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fn set_has_tooltip(&self, has_tooltip: bool)

Sets the has-tooltip property on @self to @has_tooltip. Read more
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fn set_hexpand(&self, expand: bool)

Sets whether the widget would like any available extra horizontal space. Read more
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fn set_hexpand_set(&self, set: bool)

Sets whether the hexpand flag will be used. Read more
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fn set_layout_manager(&self, layout_manager: Option<impl IsA<LayoutManager>>)

Sets the layout manager delegate instance that provides an implementation for measuring and allocating the children of @self. Read more
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fn set_margin_bottom(&self, margin: i32)

Sets the bottom margin of @self. Read more
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fn set_margin_end(&self, margin: i32)

Sets the end margin of @self. Read more
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fn set_margin_start(&self, margin: i32)

Sets the start margin of @self. Read more
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fn set_margin_top(&self, margin: i32)

Sets the top margin of @self. Read more
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fn set_widget_name(&self, name: &str)

Sets a widgets name. Read more
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fn set_opacity(&self, opacity: f64)

Request the @self to be rendered partially transparent. Read more
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fn set_overflow(&self, overflow: Overflow)

Sets how @self treats content that is drawn outside the widget’s content area. Read more
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fn set_parent(&self, parent: &impl IsA<Widget>)

Sets @parent as the parent widget of @self. Read more
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fn set_receives_default(&self, receives_default: bool)

Specifies whether @self will be treated as the default widget within its toplevel when it has the focus, even if another widget is the default. Read more
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fn set_sensitive(&self, sensitive: bool)

Sets the sensitivity of a widget. Read more
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fn set_size_request(&self, width: i32, height: i32)

Sets the minimum size of a widget. Read more
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fn set_state_flags(&self, flags: StateFlags, clear: bool)

Turns on flag values in the current widget state. Read more
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fn set_tooltip_markup(&self, markup: Option<&str>)

Sets @markup as the contents of the tooltip, which is marked up with Pango markup. Read more
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fn set_tooltip_text(&self, text: Option<&str>)

Sets @text as the contents of the tooltip. Read more
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fn set_valign(&self, align: Align)

Sets the vertical alignment of @self. Read more
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fn set_vexpand(&self, expand: bool)

Sets whether the widget would like any available extra vertical space. Read more
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fn set_vexpand_set(&self, set: bool)

Sets whether the vexpand flag will be used. Read more
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fn set_visible(&self, visible: bool)

Sets the visibility state of @self. Read more
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fn should_layout(&self) -> bool

Returns whether @self should contribute to the measuring and allocation of its parent. Read more
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fn show(&self)

👎Deprecated: Since 4.10
Flags a widget to be displayed. Read more
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fn size_allocate(&self, allocation: &Allocation, baseline: i32)

Allocates widget with a transformation that translates the origin to the position in @allocation. Read more
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fn snapshot_child( &self, child: &impl IsA<Widget>, snapshot: &impl IsA<Snapshot>, )

Snapshot the a child of @self. Read more
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fn translate_coordinates( &self, dest_widget: &impl IsA<Widget>, src_x: f64, src_y: f64, ) -> Option<(f64, f64)>

👎Deprecated: Since 4.12
Translate coordinates relative to @self’s allocation to coordinates relative to @dest_widget’s allocations. Read more
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fn trigger_tooltip_query(&self)

Triggers a tooltip query on the display where the toplevel of @self is located.
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fn unmap(&self)

Causes a widget to be unmapped if it’s currently mapped. Read more
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fn unparent(&self)

Dissociate @self from its parent. Read more
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fn unrealize(&self)

Causes a widget to be unrealized (frees all GDK resources associated with the widget). Read more
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fn unset_state_flags(&self, flags: StateFlags)

Turns off flag values for the current widget state. Read more
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fn height_request(&self) -> i32

Override for height request of the widget. Read more
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fn set_height_request(&self, height_request: i32)

Override for height request of the widget. Read more
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fn width_request(&self) -> i32

Override for width request of the widget. Read more
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fn set_width_request(&self, width_request: i32)

Override for width request of the widget. Read more
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fn connect_destroy<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Signals that all holders of a reference to the widget should release the reference that they hold. Read more
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fn connect_direction_changed<F: Fn(&Self, TextDirection) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the text direction of a widget changes. Read more
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fn connect_hide<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is hidden.
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fn connect_keynav_failed<F: Fn(&Self, DirectionType) -> Propagation + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted if keyboard navigation fails. Read more
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fn connect_map<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is going to be mapped. Read more
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fn connect_mnemonic_activate<F: Fn(&Self, bool) -> Propagation + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when a widget is activated via a mnemonic. Read more
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fn connect_move_focus<F: Fn(&Self, DirectionType) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the focus is moved. Read more
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fn emit_move_focus(&self, direction: DirectionType)

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fn connect_query_tooltip<F: Fn(&Self, i32, i32, bool, &Tooltip) -> bool + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the widget’s tooltip is about to be shown. Read more
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fn connect_realize<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is associated with a gdk::Surface. Read more
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fn connect_show<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is shown.
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fn connect_state_flags_changed<F: Fn(&Self, StateFlags) + 'static>( &self, f: F, ) -> SignalHandlerId

Emitted when the widget state changes. Read more
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fn connect_unmap<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when @widget is going to be unmapped. Read more
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fn connect_unrealize<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

Emitted when the gdk::Surface associated with @widget is destroyed. Read more
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fn connect_can_focus_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_can_target_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_css_classes_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_cursor_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_focus_on_click_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_focusable_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_halign_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_has_default_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_has_focus_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_has_tooltip_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_height_request_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_hexpand_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_hexpand_set_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_layout_manager_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_margin_bottom_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_margin_end_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_margin_start_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_margin_top_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_name_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_opacity_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_overflow_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_parent_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_receives_default_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_root_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_scale_factor_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_sensitive_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_tooltip_markup_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_tooltip_text_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_valign_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId

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fn connect_vexpand_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_vexpand_set_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_visible_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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fn connect_width_request_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId

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impl<O> WidgetExtManual for O
where O: IsA<Widget>,

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fn add_tick_callback<P: Fn(&Self, &FrameClock) -> ControlFlow + 'static>( &self, callback: P, ) -> TickCallbackId

Queues an animation frame update and adds a callback to be called before each frame. Read more
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impl<O> ConstraintTargetExt for O

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impl<'a, T, C, E> FromValueOptional<'a> for T
where T: FromValue<'a, Checker = C>, C: ValueTypeChecker<Error = ValueTypeMismatchOrNoneError<E>>, E: Error + Send + 'static,

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impl<Super, Sub> MayDowncastTo<Sub> for Super
where Super: IsA<Super>, Sub: IsA<Super>,