Struct libadwaita::StyleManager
source · #[repr(transparent)]pub struct StyleManager { /* private fields */ }
Expand description
A class for managing application-wide styling.
StyleManager
provides a way to query and influence the application
styles, such as whether to use dark or high contrast appearance.
It allows to set the color scheme via the
color-scheme
property, and to query the current
appearance, as well as whether a system-wide color scheme preference exists.
Properties
color-scheme
The requested application color scheme.
The effective appearance will be decided based on the application color
scheme and the system preferred color scheme. The
dark
property can be used to query the current
effective appearance.
The ADW_COLOR_SCHEME_PREFER_LIGHT
color scheme results in the application
using light appearance unless the system prefers dark colors. This is the
default value.
The ADW_COLOR_SCHEME_PREFER_DARK
color scheme results in the application
using dark appearance, but can still switch to the light appearance if the
system can prefers it, for example, when the high contrast preference is
enabled.
The ADW_COLOR_SCHEME_FORCE_LIGHT
and ADW_COLOR_SCHEME_FORCE_DARK
values
ignore the system preference entirely. They are useful if the application
wants to match its UI to its content or to provide a separate color scheme
switcher.
If a per-gdk::Display
style manager has its color scheme set to
ADW_COLOR_SCHEME_DEFAULT
, it will inherit the color scheme from the
default style manager.
For the default style manager, ADW_COLOR_SCHEME_DEFAULT
is equivalent to
ADW_COLOR_SCHEME_PREFER_LIGHT
.
The system-supports-color-schemes
property can be
used to check if the current environment provides a color scheme
preference.
Readable | Writeable
dark
Whether the application is using dark appearance.
This property can be used to query the current appearance, as requested via
color-scheme
.
Readable
display
The display the style manager is associated with.
The display will be NULL
for the style manager returned by
get_default()
.
Readable | Writeable | Construct Only
high-contrast
Whether the application is using high contrast appearance.
This cannot be overridden by applications.
Readable
system-supports-color-schemes
Whether the system supports color schemes.
This property can be used to check if the current environment provides a
color scheme preference. For example, applications might want to show a
separate appearance switcher if it’s set to FALSE
.
See color-scheme
.
Readable
Implements
Implementations§
source§impl StyleManager
impl StyleManager
sourcepub fn color_scheme(&self) -> ColorScheme
pub fn color_scheme(&self) -> ColorScheme
sourcepub fn is_dark(&self) -> bool
pub fn is_dark(&self) -> bool
Gets whether the application is using dark appearance.
This can be used to query the current appearance, as requested via
color-scheme
.
Returns
whether the application is using dark appearance
sourcepub fn display(&self) -> Option<Display>
pub fn display(&self) -> Option<Display>
Gets the display the style manager is associated with.
The display will be NULL
for the style manager returned by
get_default()
.
Returns
the display
sourcepub fn is_high_contrast(&self) -> bool
pub fn is_high_contrast(&self) -> bool
Gets whether the application is using high contrast appearance.
This cannot be overridden by applications.
Returns
whether the application is using high contrast appearance
sourcepub fn system_supports_color_schemes(&self) -> bool
pub fn system_supports_color_schemes(&self) -> bool
Gets whether the system supports color schemes.
This can be used to check if the current environment provides a color scheme
preference. For example, applications might want to show a separate
appearance switcher if it’s set to FALSE
.
Returns
whether the system supports color schemes
sourcepub fn set_color_scheme(&self, color_scheme: ColorScheme)
pub fn set_color_scheme(&self, color_scheme: ColorScheme)
Sets the requested application color scheme.
The effective appearance will be decided based on the application color
scheme and the system preferred color scheme. The
dark
property can be used to query the current
effective appearance.
The ADW_COLOR_SCHEME_PREFER_LIGHT
color scheme results in the application
using light appearance unless the system prefers dark colors. This is the
default value.
The ADW_COLOR_SCHEME_PREFER_DARK
color scheme results in the application
using dark appearance, but can still switch to the light appearance if the
system can prefers it, for example, when the high contrast preference is
enabled.
The ADW_COLOR_SCHEME_FORCE_LIGHT
and ADW_COLOR_SCHEME_FORCE_DARK
values
ignore the system preference entirely. They are useful if the application
wants to match its UI to its content or to provide a separate color scheme
switcher.
If a per-gdk::Display
style manager has its color scheme set to
ADW_COLOR_SCHEME_DEFAULT
, it will inherit the color scheme from the
default style manager.
For the default style manager, ADW_COLOR_SCHEME_DEFAULT
is equivalent to
ADW_COLOR_SCHEME_PREFER_LIGHT
.
The system-supports-color-schemes
property can be
used to check if the current environment provides a color scheme
preference.
color_scheme
the color scheme
sourcepub fn default() -> StyleManager
pub fn default() -> StyleManager
Gets the default StyleManager
instance.
It manages all gdk::Display
instances unless the style manager for
that display has an override.
See get_for_display()
.
Returns
the default style manager
sourcepub fn for_display(display: &Display) -> StyleManager
pub fn for_display(display: &Display) -> StyleManager
Gets the StyleManager
instance managing @display.
It can be used to override styles for that specific display instead of the whole application.
Most applications should use get_default()
instead.
display
Returns
the style manager for @display
pub fn connect_color_scheme_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_dark_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_high_contrast_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
pub fn connect_system_supports_color_schemes_notify<F: Fn(&Self) + 'static>( &self, f: F ) -> SignalHandlerId
Trait Implementations§
source§impl Clone for StyleManager
impl Clone for StyleManager
source§impl Debug for StyleManager
impl Debug for StyleManager
source§impl Display for StyleManager
impl Display for StyleManager
source§impl HasParamSpec for StyleManager
impl HasParamSpec for StyleManager
type ParamSpec = ParamSpecObject
§type SetValue = StyleManager
type SetValue = StyleManager
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, StyleManager>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for StyleManager
impl Hash for StyleManager
source§impl Ord for StyleManager
impl Ord for StyleManager
source§impl ParentClassIs for StyleManager
impl ParentClassIs for StyleManager
source§impl<OT: ObjectType> PartialEq<OT> for StyleManager
impl<OT: ObjectType> PartialEq<OT> for StyleManager
source§impl<OT: ObjectType> PartialOrd<OT> for StyleManager
impl<OT: ObjectType> PartialOrd<OT> for StyleManager
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 StyleManager
impl StaticType for StyleManager
source§fn static_type() -> Type
fn static_type() -> Type
Self
.impl Eq for StyleManager
Auto Trait Implementations§
impl RefUnwindSafe for StyleManager
impl !Send for StyleManager
impl !Sync for StyleManager
impl Unpin for StyleManager
impl UnwindSafe for StyleManager
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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