#[repr(transparent)]pub struct TextTag { /* private fields */ }
Expand description
A tag that can be applied to text contained in a TextBuffer
.
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.
Tags should be in the TextTagTable
for a given
TextBuffer
before using them with that buffer.
TextBufferExtManual::create_tag()
is the best way to create tags.
See “gtk4-demo” for numerous examples.
For each property of TextTag
, there is a “set” property, e.g.
“font-set” corresponds to “font”. These “set” properties reflect
whether a property has been set or not.
They are maintained by GTK and you should not set them independently.
Properties
accumulative-margin
Whether the margins accumulate or override each other.
When set to true
the margins of this tag are added to the margins
of any other non-accumulative margins present. When set to false
the margins override one another (the default).
Readable | Writeable
allow-breaks
Whether breaks are allowed.
Readable | Writeable
allow-breaks-set
Readable | Writeable
background
Background color as a string.
Writeable
background-full-height
Whether the background color fills the entire line height or only the height of the tagged characters.
Readable | Writeable
background-full-height-set
Readable | Writeable
background-rgba
Background color as a gdk::RGBA
.
Readable | Writeable
background-set
Readable | Writeable
direction
Text direction, e.g. right-to-left or left-to-right.
Readable | Writeable
editable
Whether the text can be modified by the user.
Readable | Writeable
editable-set
Readable | Writeable
fallback
Whether font fallback is enabled.
When set to true
, other fonts will be substituted
where the current font is missing glyphs.
Readable | Writeable
fallback-set
Readable | Writeable
family
Name of the font family, e.g. Sans, Helvetica, Times, Monospace.
Readable | Writeable
family-set
Readable | Writeable
font
Font description as string, e.g. "Sans Italic 12".
Note that the initial value of this property depends on
the internals of pango::FontDescription
.
Readable | Writeable
font-desc
Font description as a pango::FontDescription
.
Readable | Writeable
font-features
OpenType font features, as a string.
Readable | Writeable
font-features-set
Readable | Writeable
foreground
Foreground color as a string.
Writeable
foreground-rgba
Foreground color as a gdk::RGBA
.
Readable | Writeable
foreground-set
Readable | Writeable
indent
Amount to indent the paragraph, in pixels.
A negative value of indent will produce a hanging indentation. That is, the first line will have the full width, and subsequent lines will be indented by the absolute value of indent.
Readable | Writeable
indent-set
Readable | Writeable
insert-hyphens
Whether to insert hyphens at breaks.
Readable | Writeable
insert-hyphens-set
Readable | Writeable
invisible
Whether this text is hidden.
Note that there may still be problems with the support for invisible text, in particular when navigating programmatically inside a buffer containing invisible segments.
Readable | Writeable
invisible-set
Readable | Writeable
justification
Left, right, or center justification.
Readable | Writeable
justification-set
Readable | Writeable
language
The language this text is in, as an ISO code.
Pango can use this as a hint when rendering the text. If not set, an appropriate default will be used.
Note that the initial value of this property depends
on the current locale, see also default_language()
.
Readable | Writeable
language-set
Readable | Writeable
left-margin
Width of the left margin in pixels.
Readable | Writeable
left-margin-set
Readable | Writeable
letter-spacing
Extra spacing between graphemes, in Pango units.
Readable | Writeable
letter-spacing-set
Readable | Writeable
line-height
Factor to scale line height by.
Readable | Writeable
line-height-set
Readable | Writeable
name
The name used to refer to the tag.
None
for anonymous tags.
Readable | Writeable | Construct Only
overline
Style of overline for this text.
Readable | Writeable
overline-rgba
This property modifies the color of overlines.
If not set, overlines will use the foreground color.
Readable | Writeable
overline-rgba-set
Readable | Writeable
overline-set
Readable | Writeable
paragraph-background
The paragraph background color as a string.
Writeable
paragraph-background-rgba
The paragraph background color as a gdk::RGBA
.
Readable | Writeable
paragraph-background-set
Readable | Writeable
pixels-above-lines
Pixels of blank space above paragraphs.
Readable | Writeable
pixels-above-lines-set
Readable | Writeable
pixels-below-lines
Pixels of blank space below paragraphs.
Readable | Writeable
pixels-below-lines-set
Readable | Writeable
pixels-inside-wrap
Pixels of blank space between wrapped lines in a paragraph.
Readable | Writeable
pixels-inside-wrap-set
Readable | Writeable
right-margin
Width of the right margin, in pixels.
Readable | Writeable
right-margin-set
Readable | Writeable
rise
Offset of text above the baseline, in Pango units.
Negative values go below the baseline.
Readable | Writeable
rise-set
Readable | Writeable
scale
Font size as a scale factor relative to the default font size.
This properly adapts to theme changes, etc. so is recommended.
Pango predefines some scales such as PANGO_SCALE_X_LARGE
.
Readable | Writeable
scale-set
Readable | Writeable
sentence
Whether this tag represents a single sentence.
This affects cursor movement.
Readable | Writeable
sentence-set
Readable | Writeable
show-spaces
How to render invisible characters.
Readable | Writeable
show-spaces-set
Readable | Writeable
size
Font size in Pango units.
Readable | Writeable
size-points
Font size in points.
Readable | Writeable
size-set
Readable | Writeable
stretch
Font stretch as a pango::Stretch
, e.g. pango::Stretch::Condensed
.
Readable | Writeable
stretch-set
Readable | Writeable
strikethrough
Whether to strike through the text.
Readable | Writeable
strikethrough-rgba
This property modifies the color of strikeouts.
If not set, strikeouts will use the foreground color.
Readable | Writeable
strikethrough-rgba-set
If the strikethrough-rgba
property has been set.
Readable | Writeable
strikethrough-set
Readable | Writeable
style
Font style as a pango::Style
, e.g. pango::Style::Italic
.
Readable | Writeable
style-set
Readable | Writeable
tabs
Custom tabs for this text.
Readable | Writeable
tabs-set
Readable | Writeable
text-transform
How to transform the text for display.
Readable | Writeable
text-transform-set
Readable | Writeable
underline
Style of underline for this text.
Readable | Writeable
underline-rgba
This property modifies the color of underlines.
If not set, underlines will use the foreground color.
If underline
is set to pango::Underline::Error
,
an alternate color may be applied instead of the foreground. Setting
this property will always override those defaults.
Readable | Writeable
underline-rgba-set
If the underline-rgba
property has been set.
Readable | Writeable
underline-set
Readable | Writeable
variant
Font variant as a pango::Variant
, e.g. pango::Variant::SmallCaps
.
Readable | Writeable
variant-set
Readable | Writeable
weight
Font weight as an integer.
Readable | Writeable
weight-set
Readable | Writeable
word
Whether this tag represents a single word.
This affects line breaks and cursor movement.
Readable | Writeable
word-set
Readable | Writeable
wrap-mode
Whether to wrap lines never, at word boundaries, or at character boundaries.
Readable | Writeable
wrap-mode-set
Readable | Writeable
Implements
Implementations§
source§impl TextTag
impl TextTag
pub const NONE: Option<&'static TextTag> = None
sourcepub fn builder() -> TextTagBuilder
pub fn builder() -> TextTagBuilder
Creates a new builder-pattern struct instance to construct TextTag
objects.
This method returns an instance of TextTagBuilder
which can be used to create TextTag
objects.
Trait Implementations§
source§impl HasParamSpec for TextTag
impl HasParamSpec for TextTag
source§impl Ord for TextTag
impl Ord for TextTag
source§impl<OT: ObjectType> PartialEq<OT> for TextTag
impl<OT: ObjectType> PartialEq<OT> for TextTag
source§impl<OT: ObjectType> PartialOrd<OT> for TextTag
impl<OT: ObjectType> PartialOrd<OT> for TextTag
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
self
and other
) and is used by the <=
operator. Read moresource§impl StaticType for TextTag
impl StaticType for TextTag
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for TextTag
Auto Trait Implementations§
impl RefUnwindSafe for TextTag
impl !Send for TextTag
impl !Sync for TextTag
impl Unpin for TextTag
impl UnwindSafe for TextTag
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for the arguments.source§fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,
fn emit_by_name<R>(&self, signal_name: &str, args: &[&dyn ToValue]) -> Rwhere R: TryFromClosureReturnValue,
source§fn emit_by_name_with_values(
&self,
signal_name: &str,
args: &[Value]
) -> Option<Value>
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]
) -> Option<Value>
fn emit_by_name_with_details_and_values( &self, signal_name: &str, details: Quark, args: &[Value] ) -> Option<Value>
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) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
fn connect_notify<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + Send + Sync + 'static,
notify
signal of the object. Read moresource§fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec) + 'static,
fn connect_notify_local<F>(&self, name: Option<&str>, f: F) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec) + 'static,
notify
signal of the object. Read moresource§unsafe fn connect_notify_unsafe<F>(
&self,
name: Option<&str>,
f: F
) -> SignalHandlerIdwhere
F: Fn(&T, &ParamSpec),
unsafe fn connect_notify_unsafe<F>( &self, name: Option<&str>, f: F ) -> SignalHandlerIdwhere F: Fn(&T, &ParamSpec),
notify
signal of the object. Read more