Struct gtk4::GestureStylus
source · #[repr(transparent)]pub struct GestureStylus { /* private fields */ }Expand description
GestureStylus is a Gesture specific to stylus input.
The provided signals just relay the basic information of the stylus events.
Implements
GestureSingleExt, GestureExt, EventControllerExt, glib::ObjectExt
Implementations§
source§impl GestureStylus
impl GestureStylus
sourcepub fn new() -> GestureStylus
pub fn new() -> GestureStylus
sourcepub fn builder() -> GestureStylusBuilder
pub fn builder() -> GestureStylusBuilder
Creates a new builder-pattern struct instance to construct GestureStylus objects.
This method returns an instance of GestureStylusBuilder which can be used to create GestureStylus objects.
sourcepub fn axis(&self, axis: AxisUse) -> Option<f64>
pub fn axis(&self, axis: AxisUse) -> Option<f64>
Returns the current value for the requested @axis.
This function must be called from the handler of one of the
signal::GestureStylus::down, signal::GestureStylus::motion,
signal::GestureStylus::up or signal::GestureStylus::proximity
signals.
axis
requested device axis
Returns
true if there is a current value for the axis
value
return location for the axis value
sourcepub fn backlog(&self) -> Option<Vec<TimeCoord>>
pub fn backlog(&self) -> Option<Vec<TimeCoord>>
Returns the accumulated backlog of tracking information.
By default, GTK will limit rate of input events. On stylus input where accuracy of strokes is paramount, this function returns the accumulated coordinate/timing state before the emission of the current [Gtk.GestureStylus::motion] signal.
This function may only be called within a signal::GestureStylus::motion
signal handler, the state given in this signal and obtainable through
axis() express the latest (most up-to-date)
state in motion history.
The @backlog is provided in chronological order.
Returns
true if there is a backlog to unfold in the current state.
backlog
coordinates and times for the backlog events
sourcepub fn device_tool(&self) -> Option<DeviceTool>
pub fn device_tool(&self) -> Option<DeviceTool>
Returns the gdk::DeviceTool currently driving input through this gesture.
This function must be called from the handler of one of the
signal::GestureStylus::down, signal::GestureStylus::motion,
signal::GestureStylus::up or signal::GestureStylus::proximity
signals.
Returns
The current stylus tool
sourcepub fn is_stylus_only(&self) -> bool
Available on crate feature v4_10 only.
pub fn is_stylus_only(&self) -> bool
v4_10 only.sourcepub fn set_stylus_only(&self, stylus_only: bool)
Available on crate feature v4_10 only.
pub fn set_stylus_only(&self, stylus_only: bool)
v4_10 only.Sets the state of stylus-only
If true, the gesture will exclusivly handle events from stylus input deivces, otherwise it’ll handle events from any pointing device.
stylus_only
whether the gesture is used exclusivly for stylus events
sourcepub fn connect_down<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
pub fn connect_down<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
sourcepub fn connect_motion<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
pub fn connect_motion<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
sourcepub fn connect_proximity<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
pub fn connect_proximity<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
sourcepub fn connect_up<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
pub fn connect_up<F: Fn(&Self, f64, f64) + 'static>(
&self,
f: F
) -> SignalHandlerId
pub fn connect_stylus_only_notify<F: Fn(&Self) + 'static>(
&self,
f: F
) -> SignalHandlerId
Available on crate feature
v4_10 only.source§impl GestureStylus
impl GestureStylus
sourcepub fn axes(&self, axes: Vec<AxisUse>) -> Option<Vec<f64>>
pub fn axes(&self, axes: Vec<AxisUse>) -> Option<Vec<f64>>
Returns the current values for the requested @axes.
This function must be called from the handler of one of the
signal::GestureStylus::down, signal::GestureStylus::motion,
signal::GestureStylus::up or signal::GestureStylus::proximity
signals.
axes
array of requested axes, terminated with gdk::AxisUse::Ignore
Returns
true if there is a current value for the axes
values
return location for the axis values
Trait Implementations§
source§impl Clone for GestureStylus
impl Clone for GestureStylus
source§impl Debug for GestureStylus
impl Debug for GestureStylus
source§impl Default for GestureStylus
impl Default for GestureStylus
source§impl Display for GestureStylus
impl Display for GestureStylus
source§impl Hash for GestureStylus
impl Hash for GestureStylus
source§impl Ord for GestureStylus
impl Ord for GestureStylus
source§impl ParentClassIs for GestureStylus
impl ParentClassIs for GestureStylus
type Parent = GestureSingle
source§impl<OT: ObjectType> PartialEq<OT> for GestureStylus
impl<OT: ObjectType> PartialEq<OT> for GestureStylus
source§impl<OT: ObjectType> PartialOrd<OT> for GestureStylus
impl<OT: ObjectType> PartialOrd<OT> for GestureStylus
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self and other) and is used by the <=
operator. Read moresource§impl StaticType for GestureStylus
impl StaticType for GestureStylus
source§fn static_type() -> Type
fn static_type() -> Type
Returns the type identifier of
Self.impl Eq for GestureStylus
impl IsA<EventController> for GestureStylus
impl IsA<Gesture> for GestureStylus
impl IsA<GestureSingle> for GestureStylus
Auto Trait Implementations§
impl RefUnwindSafe for GestureStylus
impl !Send for GestureStylus
impl !Sync for GestureStylus
impl Unpin for GestureStylus
impl UnwindSafe for GestureStylus
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