Struct qt_core::TimerType

#[repr(transparent)]
pub struct TimerType(_);

The timer type indicates how accurate a timer can be.

C++ enum: Qt::TimerType.

C++ documentation:

The timer type indicates how accurate a timer can be.

On UNIX (including Linux, macOS, and iOS), Qt will keep millisecond accuracy for Qt::PreciseTimer. For Qt::CoarseTimer, the interval will be adjusted up to 5% to align the timer with other timers that are expected to fire at or around the same time. The objective is to make most timers wake up at the same time, thereby reducing CPU wakeups and power consumption.

On Windows, Qt will use Windows's Multimedia timer facility (if available) for Qt::PreciseTimer and normal Windows timers for Qt::CoarseTimer and Qt::VeryCoarseTimer.

On all platforms, the interval for Qt::VeryCoarseTimer is rounded to the nearest full second (e.g. an interval of 23500ms will be rounded to 24000ms, and 20300ms to 20000ms).

Methods

impl TimerType

pub fn to_int(&self) -> c_int

impl TimerType

pub const PreciseTimer: TimerType

Precise timers try to keep millisecond accuracy (C++ enum variant: PreciseTimer = 0)

pub const CoarseTimer: TimerType

Coarse timers try to keep accuracy within 5% of the desired interval (C++ enum variant: CoarseTimer = 1)

pub const VeryCoarseTimer: TimerType

Very coarse timers only keep full second accuracy (C++ enum variant: VeryCoarseTimer = 2)

Trait Implementations

impl From<i32> for TimerType

fn from(value: c_int) -> Self

Performs the conversion.

impl From<TimerType> for c_int

fn from(value: TimerType) -> Self

Performs the conversion.

impl Clone for TimerType

fn clone(&self) -> TimerType

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Copy for TimerType

impl Eq for TimerType

impl PartialEq<TimerType> for TimerType

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

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

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

This method tests for !=.

impl Debug for TimerType

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

Formats the value using the given formatter.