Struct gdk::Device

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#[repr(transparent)]
pub struct Device { /* private fields */ }

Expand description

The Device object represents a single input device, such as a keyboard, a mouse, a touchpad, etc.

See the DeviceManager documentation for more information about the various kinds of master and slave devices, and their relationships.

This is an Abstract Base Class, you cannot instantiate it.

Implementations

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impl Device

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pub fn associated_device(&self) -> Option<Device>

Returns the associated device to self, if self is of type DeviceType::Master, it will return the paired pointer or keyboard.

If self is of type DeviceType::Slave, it will return the master device to which self is attached to.

If self is of type DeviceType::Floating, None will be returned, as there is no associated device.

pub fn axes(&self) -> AxisFlags

Returns the axes currently available on the device.

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pub fn axis_use(&self, index_: u32) -> AxisUse

Returns the axis use for index_.

Returns

a AxisUse specifying how the axis is used.

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pub fn device_type(&self) -> DeviceType

Returns the device type for self.

pub fn display(&self) -> Display

Returns the Display to which self pertains.

Returns

a Display. This memory is owned by GTK+, and must not be freed or unreffed.

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pub fn has_cursor(&self) -> bool

Determines whether the pointer follows device motion. This is not meaningful for keyboard devices, which don’t have a pointer.

Returns

true if the pointer follows device motion

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pub fn key(&self, index_: u32) -> Option<(u32, ModifierType)>

If index_ has a valid keyval, this function will return true and fill in keyval and modifiers with the keyval settings.

Returns

true if keyval is set for index.

pub fn last_event_window(&self) -> Option<Window>

Gets information about which window the given pointer device is in, based on events that have been received so far from the display server. If another application has a pointer grab, or this application has a grab with owner_events = false, None may be returned even if the pointer is physically over one of this application’s windows.

Returns

the last window the device

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pub fn mode(&self) -> InputMode

Determines the mode of the device.

Returns

a InputSource

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pub fn n_axes(&self) -> i32

Returns the number of axes the device currently has.

Returns

the number of axes.

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pub fn n_keys(&self) -> i32

Returns the number of keys the device currently has.

Returns

the number of keys.

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

Determines the name of the device.

Returns

a name

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pub fn position(&self) -> (Screen, i32, i32)

Gets the current location of self. As a slave device coordinates are those of its master pointer, This function may not be called on devices of type DeviceType::Slave, unless there is an ongoing grab on them, see gdk_device_grab().

Returns

`screen`

location to store the Screen the self is on, or None.

`x`

location to store root window X coordinate of self, or None.

`y`

location to store root window Y coordinate of self, or None.

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pub fn position_double(&self) -> (Screen, f64, f64)

Gets the current location of self in double precision. As a slave device’s coordinates are those of its master pointer, this function may not be called on devices of type DeviceType::Slave, unless there is an ongoing grab on them. See gdk_device_grab().

Returns

`screen`

location to store the Screen the self is on, or None.

`x`

location to store root window X coordinate of self, or None.

`y`

location to store root window Y coordinate of self, or None.

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

Returns the product ID of this device, or None if this information couldn’t be obtained. This ID is retrieved from the device, and is thus constant for it. See vendor_id() for more information.

Returns

the product ID, or None

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pub fn seat(&self) -> Option<Seat>

Returns the Seat the device belongs to.

Returns

A Seat. This memory is owned by GTK+ and must not be freed.

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pub fn source(&self) -> InputSource

Determines the type of the device.

Returns

a InputSource

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

Returns the vendor ID of this device, or None if this information couldn’t be obtained. This ID is retrieved from the device, and is thus constant for it.

This function, together with product_id(), can be used to eg. compose GSettings paths to store settings for this device.

⚠️ The following code is in C ⚠️

 static GSettings *
 get_device_settings (GdkDevice *device)
 {
   const gchar *vendor, *product;
   GSettings *settings;
   GdkDevice *device;
   gchar *path;

   vendor = gdk_device_get_vendor_id (device);
   product = gdk_device_get_product_id (device);

   path = g_strdup_printf ("/org/example/app/devices/%s:%s/", vendor, product);
   settings = g_settings_new_with_path (DEVICE_SCHEMA, path);
   g_free (path);

   return settings;
 }

Returns

the vendor ID, or None

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pub fn window_at_position(&self) -> (Option<Window>, i32, i32)

Obtains the window underneath self, returning the location of the device in win_x and win_y. Returns None if the window tree under self is not known to GDK (for example, belongs to another application).

As a slave device coordinates are those of its master pointer, This function may not be called on devices of type DeviceType::Slave, unless there is an ongoing grab on them, see gdk_device_grab().

Returns

the Window under the device position, or None.

`win_x`

return location for the X coordinate of the device location, relative to the window origin, or None.

`win_y`

return location for the Y coordinate of the device location, relative to the window origin, or None.

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pub fn window_at_position_double(&self) -> (Option<Window>, f64, f64)

Obtains the window underneath self, returning the location of the device in win_x and win_y in double precision. Returns None if the window tree under self is not known to GDK (for example, belongs to another application).

As a slave device coordinates are those of its master pointer, This function may not be called on devices of type DeviceType::Slave, unless there is an ongoing grab on them, see gdk_device_grab().

Returns

the Window under the device position, or None.

`win_x`

return location for the X coordinate of the device location, relative to the window origin, or None.

`win_y`

return location for the Y coordinate of the device location, relative to the window origin, or None.

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pub fn list_axes(&self) -> Vec<Atom>

Returns a GList of GdkAtoms, containing the labels for the axes that self currently has.

Returns

A GList of GdkAtoms, free with g_list_free().

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pub fn list_slave_devices(&self) -> Vec<Device>

If the device if of type DeviceType::Master, it will return the list of slave devices attached to it, otherwise it will return None

Returns

the list of slave devices, or None. The list must be freed with g_list_free(), the contents of the list are owned by GTK+ and should not be freed.

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pub fn set_axis_use(&self, index_: u32, use_: AxisUse)

Specifies how an axis of a device is used.

`index_`

the index of the axis

`use_`

specifies how the axis is used

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pub fn set_key(&self, index_: u32, keyval: u32, modifiers: ModifierType)

Specifies the X key event to generate when a macro button of a device is pressed.

`index_`

the index of the macro button to set

`keyval`

the keyval to generate

`modifiers`

the modifiers to set

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pub fn set_mode(&self, mode: InputMode) -> bool

Sets a the mode of an input device. The mode controls if the device is active and whether the device’s range is mapped to the entire screen or to a single window.

Note: This is only meaningful for floating devices, master devices (and slaves connected to these) drive the pointer cursor, which is not limited by the input mode.

`mode`

the input mode.

Returns

true if the mode was successfully changed.

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pub fn warp(&self, screen: &Screen, x: i32, y: i32)

Warps self in display to the point x,y on the screen screen, unless the device is confined to a window by a grab, in which case it will be moved as far as allowed by the grab. Warping the pointer creates events as if the user had moved the mouse instantaneously to the destination.

Note that the pointer should normally be under the control of the user. This function was added to cover some rare use cases like keyboard navigation support for the color picker in the GtkColorSelectionDialog.

`screen`

the screen to warp self to.

`x`

the X coordinate of the destination.

`y`

the Y coordinate of the destination.

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pub fn input_source(&self) -> InputSource

Source type for the device.

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pub fn num_touches(&self) -> u32

The maximal number of concurrent touches on a touch device. Will be 0 if the device is not a touch device or if the number of touches is unknown.

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pub fn set_seat(&self, seat: Option<&Seat>)

Seat of this device.

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pub fn tool(&self) -> Option<DeviceTool>

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pub fn type_(&self) -> DeviceType

Device role in the device manager.

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

The ::changed signal is emitted either when the Device has changed the number of either axes or keys. For example In X this will normally happen when the slave device routing events through the master device changes (for example, user switches from the USB mouse to a tablet), in that case the master device will change to reflect the new slave device axes and keys.

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

The ::tool-changed signal is emitted on pen/eraser GdkDevices whenever tools enter or leave proximity.

`tool`

The new current tool

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

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

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

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

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

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

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

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impl Device

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pub fn is_axis(&self, axes: &mut [f64], use_: AxisUse, value: &mut f64) -> bool

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pub fn history<P: IsA<Window>>(
 &self,
 window: &P,
 start: u32,
 stop: u32
) -> Vec<TimeCoord>

Obtains the motion history for a pointer device; given a starting and ending timestamp, return all events in the motion history for the device in the given range of time. Some windowing systems do not support motion history, in which case, false will be returned. (This is not distinguishable from the case where motion history is supported and no events were found.)

Note that there is also Window::set_event_compression() to get more motion events delivered directly, independent of the windowing system.

`window`

the window with respect to which which the event coordinates will be reported

`start`

starting timestamp for range of events to return

`stop`

ending timestamp for the range of events to return

Returns

true if the windowing system supports motion history and at least one event was found.

`events`

location to store a newly-allocated array of TimeCoord, or None

Trait Implementations

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impl Clone for Device

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fn clone(&self) -> Self

Returns a copy of the value. Read more

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

Performs copy-assignment from source. Read more

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impl Debug for Device

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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 Display for Device

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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 Hash for Device

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

Feeds this value into the given Hasher. Read more

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

Feeds a slice of this type into the given Hasher. Read more

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impl Ord for Device

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

This method returns an Ordering between self and other. Read more

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const fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

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const fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

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const fn clamp(self, min: Self, max: Self) -> Selfwhere
Self: PartialOrd<Self>,

Restrict a value to a certain interval. Read more

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impl ParentClassIs for Device

type Parent = Object

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

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

This method tests for self and other values to be equal, and is used by ==. Read more

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason. Read more

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impl<OT: ObjectType> PartialOrd<OT> for Device

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

This method returns an ordering between self and other values if one exists. Read more

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

This method tests less than (for self and other) and is used by the < operator. Read more

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const 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 more

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

This method tests greater than (for self and other) and is used by the > operator. Read more

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

This method 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 Device

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fn static_type() -> Type

Returns the type identifier of Self.

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impl Eq for Device

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impl IsA<Device> for DevicePad

Auto Trait Implementations

impl RefUnwindSafe for Device

impl !Send for Device

impl !Sync for Device

impl Unpin for Device

impl UnwindSafe for Device

Blanket Implementations

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impl<T> Any for Twhere
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 Twhere
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for Twhere
T: ?Sized,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> Cast for Twhere
T: ObjectType,

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fn upcast<T>(self) -> Twhere
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) -> &Twhere
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: CanDowncast<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: CanDowncast<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 downcast and upcast will do many checks at compile-time already. 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) -> Twhere
T: ObjectType,

Casts to T unconditionally. Read more

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unsafe fn unsafe_cast_ref<T>(&self) -> &Twhere
T: ObjectType,

Casts to &T unconditionally. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for Twhere
U: From<T>,

const: unstable · source

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 IsSubclassableExt for Uwhere
U: IsClass + ParentClassIs,

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fn parent_class_init<T>(class: &mut Class)where
T: ObjectSubclass,
::Parent: IsSubclassable<T>,

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fn parent_instance_init<T>(instance: &mut InitializingObject<T>)where
T: ObjectSubclass,
::Parent: IsSubclassable<T>,

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impl<T> ObjectExt for Twhere
T: ObjectType,

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fn is(&self) -> boolwhere
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(&self) -> Option<&Class>where
U: IsClass,

Returns the class of the object in the given type T. Read more

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fn interface(&self) -> Option<InterfaceRef<'_, U>>where
U: IsInterface,

Returns the interface T of the object. Read more

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fn set_property<V>(&self, property_name: &str, value: V)where
V: ToValue,

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) -> Vwhere
V: 'static + for<'b> FromValue<'b>,

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
) -> SignalHandlerIdwhere
 F: 'static + Fn(&[Value]) -> Option<Value> + Send + Sync,

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
) -> SignalHandlerIdwhere
 F: 'static + Fn(&[Value]) -> Option<Value> + Send + Sync,

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
) -> SignalHandlerIdwhere
 F: 'static + Fn(&[Value]) -> Option<Value>,

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
) -> SignalHandlerIdwhere
 F: 'static + Fn(&[Value]) -> Option<Value>,

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
) -> SignalHandlerIdwhere
 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
) -> SignalHandlerIdwhere
 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. Read more

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fn emit<R>(&self, signal_id: SignalId, args: &[&dyn ToValue]) -> Rwhere
R: TryFromClosureReturnValue,

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]) -> Rwhere
R: TryFromClosureReturnValue,

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]
) -> Rwhere
 R: TryFromClosureReturnValue,

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]
) -> Rwhere
 R: TryFromClosureReturnValue,

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) -> SignalHandlerIdwhere
F: 'static + Fn(&T, &ParamSpec) + Send + Sync,

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) -> SignalHandlerIdwhere
F: 'static + Fn(&T, &ParamSpec),

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
) -> SignalHandlerIdwhere
 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: 'static + FnOnce() + Send,

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: 'static + FnOnce(),

Add a callback to be notified when the Object is disposed. Read more

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fn bind_property<'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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impl<T> StaticTypeExt for Twhere
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> ToClosureReturnValue for Twhere
T: ToValue,

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fn to_closure_return_value(&self) -> Option<Value>

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impl<T> ToOwned for Twhere
T: Clone,

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> ToString for Twhere
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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

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>::Error>

Performs the conversion.

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impl<T> TryFromClosureReturnValue for Twhere
T: 'static + for<'a> FromValue<'a> + StaticType,

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fn try_from_closure_return_value(v: Option<Value>) -> Result<T, BoolError>

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impl<T, U> TryInto for Twhere
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type Error = >::Error

The type returned in the event of a conversion error.

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fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<Super, Sub> CanDowncast for Superwhere
Super: IsA<Super>,
Sub: IsA<Super>,

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

Struct gdk::Device

Implementations

impl Device

pub fn associated_device(&self) -> Option<Device>

pub fn axes(&self) -> AxisFlags

pub fn axis_use(&self, index_: u32) -> AxisUse

pub fn device_type(&self) -> DeviceType

pub fn display(&self) -> Display

pub fn has_cursor(&self) -> bool

pub fn key(&self, index_: u32) -> Option<(u32, ModifierType)>

pub fn last_event_window(&self) -> Option<Window>

pub fn mode(&self) -> InputMode

pub fn n_axes(&self) -> i32

pub fn n_keys(&self) -> i32

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

pub fn position(&self) -> (Screen, i32, i32)

pub fn position_double(&self) -> (Screen, f64, f64)

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

pub fn seat(&self) -> Option<Seat>

pub fn source(&self) -> InputSource

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

pub fn window_at_position(&self) -> (Option<Window>, i32, i32)

pub fn window_at_position_double(&self) -> (Option<Window>, f64, f64)

pub fn list_axes(&self) -> Vec<Atom>

pub fn list_slave_devices(&self) -> Vec<Device>

pub fn set_axis_use(&self, index_: u32, use_: AxisUse)

pub fn set_key(&self, index_: u32, keyval: u32, modifiers: ModifierType)

pub fn set_mode(&self, mode: InputMode) -> bool

pub fn warp(&self, screen: &Screen, x: i32, y: i32)

pub fn device_manager(&self) -> Option<DeviceManager>

pub fn input_mode(&self) -> InputMode

pub fn set_input_mode(&self, input_mode: InputMode)

pub fn input_source(&self) -> InputSource

pub fn num_touches(&self) -> u32

pub fn set_seat(&self, seat: Option<&Seat>)

pub fn tool(&self) -> Option<DeviceTool>

pub fn type_(&self) -> DeviceType

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

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

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

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

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

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

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

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

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

impl Device

pub fn is_axis(&self, axes: &mut [f64], use_: AxisUse, value: &mut f64) -> bool

pub fn history<P: IsA<Window>>( &self, window: &P, start: u32, stop: u32) -> Vec<TimeCoord>

Trait Implementations

impl Clone for Device

fn clone(&self) -> Self

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

impl Debug for Device

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

impl Display for Device

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

impl Hash for Device

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

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

impl Ord for Device

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

const fn max(self, other: Self) -> Self

const fn min(self, other: Self) -> Self

const fn clamp(self, min: Self, max: Self) -> Selfwhere Self: PartialOrd<Self>,

impl ParentClassIs for Device

type Parent = Object

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

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

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

impl<OT: ObjectType> PartialOrd<OT> for Device

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

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

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

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

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

impl StaticType for Device

fn static_type() -> Type

impl Eq for Device

impl IsA<Device> for DevicePad

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

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

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

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

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

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

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

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

pub fn history<P: IsA<Window>>(
&self,
window: &P,
start: u32,
stop: u32
) -> Vec<TimeCoord>

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

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

const fn clamp(self, min: Self, max: Self) -> Selfwhere
Self: PartialOrd<Self>,

impl<T> Any for Twhere
T: 'static + ?Sized,

impl<T> Borrow<T> for Twhere
T: ?Sized,

impl<T> BorrowMut<T> for Twhere
T: ?Sized,