pub struct TextBuffer { /* private fields */ }
Expand description
Stores text and attributes for display in a TextView
.
You may wish to begin by reading the text widget conceptual overview, which gives an overview of all the objects and data types related to the text widget and how they work together.
GtkTextBuffer can support undoing changes to the buffer
content, see TextBufferExt::set_enable_undo()
.
§Properties
§can-redo
Denotes that the buffer can reapply the last undone action.
Readable
§can-undo
Denotes that the buffer can undo the last applied action.
Readable
§cursor-position
The position of the insert mark.
This is an offset from the beginning of the buffer. It is useful for getting notified when the cursor moves.
Readable
§enable-undo
Denotes if support for undoing and redoing changes to the buffer is allowed.
Readable | Writeable
§has-selection
Whether the buffer has some text currently selected.
Readable
§tag-table
The GtkTextTagTable for the buffer.
Readable | Writeable | Construct Only
§text
The text content of the buffer.
Without child widgets and images,
see TextBufferExt::text()
for more information.
Readable | Writeable
§Signals
§apply-tag
Emitted to apply a tag to a range of text in a TextBuffer
.
Applying actually occurs in the default handler.
Note that if your handler runs before the default handler it must not invalidate the @start and @end iters (or has to revalidate them).
See also:
TextBufferExt::apply_tag()
,
TextBufferExtManual::insert_with_tags()
,
TextBufferExt::insert_range()
.
§begin-user-action
Emitted at the beginning of a single user-visible
operation on a TextBuffer
.
See also:
TextBufferExt::begin_user_action()
,
TextBufferExt::insert_interactive()
,
TextBufferExt::insert_range_interactive()
,
TextBufferExt::delete_interactive()
,
TextBufferExt::backspace()
,
TextBufferExt::delete_selection()
.
§changed
Emitted when the content of a TextBuffer
has changed.
§delete-range
Emitted to delete a range from a TextBuffer
.
Note that if your handler runs before the default handler it must not invalidate the @start and @end iters (or has to revalidate them). The default signal handler revalidates the @start and @end iters to both point to the location where text was deleted. Handlers which run after the default handler (see g_signal_connect_after()) do not have access to the deleted text.
See also: TextBufferExt::delete()
.
§end-user-action
Emitted at the end of a single user-visible
operation on the TextBuffer
.
See also:
TextBufferExt::end_user_action()
,
TextBufferExt::insert_interactive()
,
TextBufferExt::insert_range_interactive()
,
TextBufferExt::delete_interactive()
,
TextBufferExt::backspace()
,
TextBufferExt::delete_selection()
,
TextBufferExt::backspace()
.
§insert-child-anchor
Emitted to insert a TextChildAnchor
in a TextBuffer
.
Insertion actually occurs in the default handler.
Note that if your handler runs before the default handler it must not invalidate the @location iter (or has to revalidate it). The default signal handler revalidates it to be placed after the inserted @anchor.
See also: TextBufferExt::insert_child_anchor()
.
§insert-paintable
Emitted to insert a gdk::Paintable
in a TextBuffer
.
Insertion actually occurs in the default handler.
Note that if your handler runs before the default handler it must not invalidate the @location iter (or has to revalidate it). The default signal handler revalidates it to be placed after the inserted @paintable.
See also: TextBufferExt::insert_paintable()
.
§insert-text
Emitted to insert text in a TextBuffer
.
Insertion actually occurs in the default handler.
Note that if your handler runs before the default handler it must not invalidate the @location iter (or has to revalidate it). The default signal handler revalidates it to point to the end of the inserted text.
See also: TextBufferExt::insert()
,
TextBufferExt::insert_range()
.
§mark-deleted
Emitted as notification after a TextMark
is deleted.
See also: TextBufferExt::delete_mark()
.
§mark-set
Emitted as notification after a TextMark
is set.
See also:
TextBufferExt::create_mark()
,
TextBufferExt::move_mark()
.
§modified-changed
Emitted when the modified bit of a TextBuffer
flips.
See also: TextBufferExt::set_modified()
.
§paste-done
Emitted after paste operation has been completed.
This is useful to properly scroll the view to the end
of the pasted text. See TextBufferExt::paste_clipboard()
for more details.
§redo
Emitted when a request has been made to redo the previously undone operation.
§remove-tag
Emitted to remove all occurrences of @tag from a range
of text in a TextBuffer
.
Removal actually occurs in the default handler.
Note that if your handler runs before the default handler it must not invalidate the @start and @end iters (or has to revalidate them).
See also: TextBufferExt::remove_tag()
.
§undo
Emitted when a request has been made to undo the previous operation or set of operations that have been grouped together.
§Implements
TextBufferExt
, [trait@glib::ObjectExt
], TextBufferExtManual
GLib type: GObject with reference counted clone semantics.
Implementations§
Source§impl TextBuffer
impl TextBuffer
pub const NONE: Option<&'static TextBuffer> = None
Sourcepub fn new(table: Option<&TextTagTable>) -> TextBuffer
pub fn new(table: Option<&TextTagTable>) -> TextBuffer
Sourcepub fn builder() -> TextBufferBuilder
pub fn builder() -> TextBufferBuilder
Creates a new builder-pattern struct instance to construct TextBuffer
objects.
This method returns an instance of TextBufferBuilder
which can be used to create TextBuffer
objects.
Trait Implementations§
Source§impl Clone for TextBuffer
impl Clone for TextBuffer
Source§impl Debug for TextBuffer
impl Debug for TextBuffer
Source§impl Default for TextBuffer
impl Default for TextBuffer
Source§impl HasParamSpec for TextBuffer
impl HasParamSpec for TextBuffer
type ParamSpec = ParamSpecObject
Source§type SetValue = TextBuffer
type SetValue = TextBuffer
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, TextBuffer>
fn param_spec_builder() -> Self::BuilderFn
Source§impl Hash for TextBuffer
impl Hash for TextBuffer
Source§impl<T: TextBufferImpl> IsSubclassable<T> for TextBuffer
impl<T: TextBufferImpl> IsSubclassable<T> for TextBuffer
Source§fn class_init(class: &mut Class<Self>)
fn class_init(class: &mut Class<Self>)
Source§fn instance_init(instance: &mut InitializingObject<T>)
fn instance_init(instance: &mut InitializingObject<T>)
Source§impl Ord for TextBuffer
impl Ord for TextBuffer
Source§fn cmp(&self, other: &Self) -> Ordering
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) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Source§impl ParentClassIs for TextBuffer
impl ParentClassIs for TextBuffer
Source§impl<OT: ObjectType> PartialEq<OT> for TextBuffer
impl<OT: ObjectType> PartialEq<OT> for TextBuffer
Source§impl<OT: ObjectType> PartialOrd<OT> for TextBuffer
impl<OT: ObjectType> PartialOrd<OT> for TextBuffer
Source§impl StaticType for TextBuffer
impl StaticType for TextBuffer
Source§fn static_type() -> Type
fn static_type() -> Type
Self
.Source§impl Write for TextBuffer
impl Write for TextBuffer
impl Eq for TextBuffer
Auto Trait Implementations§
impl Freeze for TextBuffer
impl RefUnwindSafe for TextBuffer
impl !Send for TextBuffer
impl !Sync for TextBuffer
impl Unpin for TextBuffer
impl UnwindSafe for TextBuffer
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Source§fn emit_with_values(&self, signal_id: SignalId, args: &[Value]) -> Option<Value>
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Source§fn emit_by_name_with_values(
&self,
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fn emit_by_name_with_values( &self, signal_name: &str, args: &[Value], ) -> Option<Value>
Source§fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name_with_details<R>(
&self,
signal_name: &str,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
Source§fn emit_by_name_with_details_and_values(
&self,
signal_name: &str,
details: Quark,
args: &[Value],
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Source§fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_with_details<R>(
&self,
signal_id: SignalId,
details: Quark,
args: &[&dyn ToValue],
) -> Rwhere
R: TryFromClosureReturnValue,
Source§fn emit_with_details_and_values(
&self,
signal_id: SignalId,
details: Quark,
args: &[Value],
) -> Option<Value>
fn emit_with_details_and_values( &self, signal_id: SignalId, details: Quark, args: &[Value], ) -> Option<Value>
Source§fn disconnect(&self, handler_id: SignalHandlerId)
fn disconnect(&self, handler_id: SignalHandlerId)
Source§fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
notify
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fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerId
notify
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&self,
name: Option<&str>,
f: F,
) -> SignalHandlerId
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F, ) -> SignalHandlerId
notify
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Source§fn add_weak_ref_notify<F>(&self, f: F) -> WeakRefNotify<T>
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Source§fn add_weak_ref_notify_local<F>(&self, f: F) -> WeakRefNotify<T>where
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Source§fn bind_property<'a, 'f, 't, O>(
&'a self,
source_property: &'a str,
target: &'a O,
target_property: &'a str,
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O: ObjectType,
fn bind_property<'a, 'f, 't, O>(
&'a self,
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target: &'a O,
target_property: &'a str,
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O: ObjectType,
Source§unsafe fn run_dispose(&self)
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Source§impl<T> PropertyGet for Twhere
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impl<T> PropertyGet for Twhere
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Source§impl<O> TextBufferExt for Owhere
O: IsA<TextBuffer>,
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Source§fn add_mark(&self, mark: &impl IsA<TextMark>, where_: &TextIter)
fn add_mark(&self, mark: &impl IsA<TextMark>, where_: &TextIter)
Source§fn add_selection_clipboard(&self, clipboard: &Clipboard)
fn add_selection_clipboard(&self, clipboard: &Clipboard)
Source§fn apply_tag(&self, tag: &impl IsA<TextTag>, start: &TextIter, end: &TextIter)
fn apply_tag(&self, tag: &impl IsA<TextTag>, start: &TextIter, end: &TextIter)
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Source§fn backspace(
&self,
iter: &mut TextIter,
interactive: bool,
default_editable: bool,
) -> bool
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Source§fn begin_irreversible_action(&self)
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Source§fn copy_clipboard(&self, clipboard: &Clipboard)
fn copy_clipboard(&self, clipboard: &Clipboard)
Source§fn create_child_anchor(&self, iter: &mut TextIter) -> TextChildAnchor
fn create_child_anchor(&self, iter: &mut TextIter) -> TextChildAnchor
Source§fn create_mark(
&self,
mark_name: Option<&str>,
where_: &TextIter,
left_gravity: bool,
) -> TextMark
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Source§fn cut_clipboard(&self, clipboard: &Clipboard, default_editable: bool)
fn cut_clipboard(&self, clipboard: &Clipboard, default_editable: bool)
Source§fn delete(&self, start: &mut TextIter, end: &mut TextIter)
fn delete(&self, start: &mut TextIter, end: &mut TextIter)
Source§fn delete_interactive(
&self,
start_iter: &mut TextIter,
end_iter: &mut TextIter,
default_editable: bool,
) -> bool
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Source§fn delete_mark(&self, mark: &impl IsA<TextMark>)
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Source§fn delete_mark_by_name(&self, name: &str)
fn delete_mark_by_name(&self, name: &str)
Source§fn delete_selection(&self, interactive: bool, default_editable: bool) -> bool
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Source§fn end_irreversible_action(&self)
fn end_irreversible_action(&self)
Source§fn end_user_action(&self)
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Source§fn bounds(&self) -> (TextIter, TextIter)
fn bounds(&self) -> (TextIter, TextIter)
Source§fn char_count(&self) -> i32
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Source§fn enables_undo(&self) -> bool
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Source§fn end_iter(&self) -> TextIter
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fn has_selection(&self) -> bool
Source§fn get_insert(&self) -> TextMark
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Source§fn iter_at_child_anchor(&self, anchor: &impl IsA<TextChildAnchor>) -> TextIter
fn iter_at_child_anchor(&self, anchor: &impl IsA<TextChildAnchor>) -> TextIter
Source§fn iter_at_line(&self, line_number: i32) -> Option<TextIter>
fn iter_at_line(&self, line_number: i32) -> Option<TextIter>
Source§fn iter_at_line_index(
&self,
line_number: i32,
byte_index: i32,
) -> Option<TextIter>
fn iter_at_line_index( &self, line_number: i32, byte_index: i32, ) -> Option<TextIter>
Source§fn iter_at_line_offset(
&self,
line_number: i32,
char_offset: i32,
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fn iter_at_line_offset( &self, line_number: i32, char_offset: i32, ) -> Option<TextIter>
Source§fn iter_at_mark(&self, mark: &impl IsA<TextMark>) -> TextIter
fn iter_at_mark(&self, mark: &impl IsA<TextMark>) -> TextIter
Source§fn iter_at_offset(&self, char_offset: i32) -> TextIter
fn iter_at_offset(&self, char_offset: i32) -> TextIter
Source§fn line_count(&self) -> i32
fn line_count(&self) -> i32
Source§fn max_undo_levels(&self) -> u32
fn max_undo_levels(&self) -> u32
Source§fn is_modified(&self) -> bool
fn is_modified(&self) -> bool
set_modified()
set the modification flag to
false
. Read moreSource§fn selection_bound(&self) -> TextMark
fn selection_bound(&self) -> TextMark
Source§fn selection_content(&self) -> ContentProvider
fn selection_content(&self) -> ContentProvider
Source§fn slice(
&self,
start: &TextIter,
end: &TextIter,
include_hidden_chars: bool,
) -> GString
fn slice( &self, start: &TextIter, end: &TextIter, include_hidden_chars: bool, ) -> GString
Source§fn start_iter(&self) -> TextIter
fn start_iter(&self) -> TextIter
Source§fn tag_table(&self) -> TextTagTable
fn tag_table(&self) -> TextTagTable
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associated with this buffer. Read moreSource§fn text(
&self,
start: &TextIter,
end: &TextIter,
include_hidden_chars: bool,
) -> GString
fn text( &self, start: &TextIter, end: &TextIter, include_hidden_chars: bool, ) -> GString
Source§fn insert(&self, iter: &mut TextIter, text: &str)
fn insert(&self, iter: &mut TextIter, text: &str)
Source§fn insert_at_cursor(&self, text: &str)
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Source§fn insert_child_anchor(
&self,
iter: &mut TextIter,
anchor: &impl IsA<TextChildAnchor>,
)
fn insert_child_anchor( &self, iter: &mut TextIter, anchor: &impl IsA<TextChildAnchor>, )
Source§fn insert_interactive(
&self,
iter: &mut TextIter,
text: &str,
default_editable: bool,
) -> bool
fn insert_interactive( &self, iter: &mut TextIter, text: &str, default_editable: bool, ) -> bool
Source§fn insert_interactive_at_cursor(
&self,
text: &str,
default_editable: bool,
) -> bool
fn insert_interactive_at_cursor( &self, text: &str, default_editable: bool, ) -> bool
Source§fn insert_markup(&self, iter: &mut TextIter, markup: &str)
fn insert_markup(&self, iter: &mut TextIter, markup: &str)
Source§fn insert_paintable(&self, iter: &mut TextIter, paintable: &impl IsA<Paintable>)
fn insert_paintable(&self, iter: &mut TextIter, paintable: &impl IsA<Paintable>)
Source§fn insert_range(&self, iter: &mut TextIter, start: &TextIter, end: &TextIter)
fn insert_range(&self, iter: &mut TextIter, start: &TextIter, end: &TextIter)
Source§fn insert_range_interactive(
&self,
iter: &mut TextIter,
start: &TextIter,
end: &TextIter,
default_editable: bool,
) -> bool
fn insert_range_interactive( &self, iter: &mut TextIter, start: &TextIter, end: &TextIter, default_editable: bool, ) -> bool
Source§fn move_mark(&self, mark: &impl IsA<TextMark>, where_: &TextIter)
fn move_mark(&self, mark: &impl IsA<TextMark>, where_: &TextIter)
Source§fn move_mark_by_name(&self, name: &str, where_: &TextIter)
fn move_mark_by_name(&self, name: &str, where_: &TextIter)
Source§fn paste_clipboard(
&self,
clipboard: &Clipboard,
override_location: Option<&TextIter>,
default_editable: bool,
)
fn paste_clipboard( &self, clipboard: &Clipboard, override_location: Option<&TextIter>, default_editable: bool, )
Source§fn place_cursor(&self, where_: &TextIter)
fn place_cursor(&self, where_: &TextIter)
Source§fn remove_selection_clipboard(&self, clipboard: &Clipboard)
fn remove_selection_clipboard(&self, clipboard: &Clipboard)
Source§fn remove_tag(&self, tag: &impl IsA<TextTag>, start: &TextIter, end: &TextIter)
fn remove_tag(&self, tag: &impl IsA<TextTag>, start: &TextIter, end: &TextIter)
Source§fn remove_tag_by_name(&self, name: &str, start: &TextIter, end: &TextIter)
fn remove_tag_by_name(&self, name: &str, start: &TextIter, end: &TextIter)
Source§fn select_range(&self, ins: &TextIter, bound: &TextIter)
fn select_range(&self, ins: &TextIter, bound: &TextIter)
Source§fn set_enable_undo(&self, enable_undo: bool)
fn set_enable_undo(&self, enable_undo: bool)
Source§fn set_max_undo_levels(&self, max_undo_levels: u32)
fn set_max_undo_levels(&self, max_undo_levels: u32)
Source§fn set_modified(&self, setting: bool)
fn set_modified(&self, setting: bool)
Source§fn cursor_position(&self) -> i32
fn cursor_position(&self) -> i32
Source§fn connect_apply_tag<F: Fn(&Self, &TextTag, &TextIter, &TextIter) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_apply_tag<F: Fn(&Self, &TextTag, &TextIter, &TextIter) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
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&self,
f: F,
) -> SignalHandlerId
fn connect_begin_user_action<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
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fn connect_changed<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
TextBuffer
has changed.Source§fn connect_delete_range<F: Fn(&Self, &TextIter, &TextIter) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_delete_range<F: Fn(&Self, &TextIter, &TextIter) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
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&self,
f: F,
) -> SignalHandlerId
fn connect_end_user_action<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
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&self,
f: F,
) -> SignalHandlerId
fn connect_insert_child_anchor<F: Fn(&Self, &TextIter, &TextChildAnchor) + 'static>( &self, f: F, ) -> SignalHandlerId
Source§fn connect_insert_paintable<F: Fn(&Self, &TextIter, &Paintable) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_insert_paintable<F: Fn(&Self, &TextIter, &Paintable) + 'static>( &self, f: F, ) -> SignalHandlerId
Source§fn connect_mark_deleted<F: Fn(&Self, &TextMark) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_mark_deleted<F: Fn(&Self, &TextMark) + 'static>( &self, f: F, ) -> SignalHandlerId
Source§fn connect_mark_set<F: Fn(&Self, &TextIter, &TextMark) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_mark_set<F: Fn(&Self, &TextIter, &TextMark) + 'static>( &self, f: F, ) -> SignalHandlerId
Source§fn connect_modified_changed<F: Fn(&Self) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_modified_changed<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
flips. Read moreSource§fn connect_paste_done<F: Fn(&Self, &Clipboard) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_paste_done<F: Fn(&Self, &Clipboard) + 'static>( &self, f: F, ) -> SignalHandlerId
Source§fn connect_redo<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_redo<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
Source§fn connect_remove_tag<F: Fn(&Self, &TextTag, &TextIter, &TextIter) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_remove_tag<F: Fn(&Self, &TextTag, &TextIter, &TextIter) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
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fn connect_undo<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
fn connect_can_redo_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_can_undo_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_cursor_position_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_enable_undo_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_has_selection_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId
fn connect_text_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId
Source§impl<O> TextBufferExtManual for Owhere
O: IsA<TextBuffer>,
impl<O> TextBufferExtManual for Owhere
O: IsA<TextBuffer>,
Source§fn create_tag(
&self,
tag_name: Option<&str>,
properties: &[(&str, &dyn ToValue)],
) -> Option<TextTag>
fn create_tag( &self, tag_name: Option<&str>, properties: &[(&str, &dyn ToValue)], ) -> Option<TextTag>
Source§fn connect_insert_text<F: Fn(&Self, &mut TextIter, &str) + 'static>(
&self,
f: F,
) -> SignalHandlerId
fn connect_insert_text<F: Fn(&Self, &mut TextIter, &str) + 'static>( &self, f: F, ) -> SignalHandlerId
TextBuffer
. Read more