_cef_focus_handler_t

Struct _cef_focus_handler_t 

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#[repr(C)]
pub struct _cef_focus_handler_t { pub base: cef_base_ref_counted_t, pub on_take_focus: Option<unsafe extern "C" fn(self_: *mut _cef_focus_handler_t, browser: *mut _cef_browser_t, next: c_int)>, pub on_set_focus: Option<unsafe extern "C" fn(self_: *mut _cef_focus_handler_t, browser: *mut _cef_browser_t, source: cef_focus_source_t) -> c_int>, pub on_got_focus: Option<unsafe extern "C" fn(self_: *mut _cef_focus_handler_t, browser: *mut _cef_browser_t)>, }
Expand description

Implement this structure to handle events related to focus. The functions of this structure will be called on the UI thread.

NOTE: This struct is allocated client-side.

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§base: cef_base_ref_counted_t

Base structure.

§on_take_focus: Option<unsafe extern "C" fn(self_: *mut _cef_focus_handler_t, browser: *mut _cef_browser_t, next: c_int)>

Called when the browser component is about to loose focus. For instance, if focus was on the last HTML element and the user pressed the TAB key. |next| will be true (1) if the browser is giving focus to the next component and false (0) if the browser is giving focus to the previous component.

§on_set_focus: Option<unsafe extern "C" fn(self_: *mut _cef_focus_handler_t, browser: *mut _cef_browser_t, source: cef_focus_source_t) -> c_int>

Called when the browser component is requesting focus. |source| indicates where the focus request is originating from. Return false (0) to allow the focus to be set or true (1) to cancel setting the focus.

§on_got_focus: Option<unsafe extern "C" fn(self_: *mut _cef_focus_handler_t, browser: *mut _cef_browser_t)>

Called when the browser component has received focus.

Trait Implementations§

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impl Clone for _cef_focus_handler_t

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fn clone(&self) -> _cef_focus_handler_t

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for _cef_focus_handler_t

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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 Copy for _cef_focus_handler_t

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

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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, U> TryFrom<U> for T
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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<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.