tachyon::SizeConstraintAxis Struct Reference

Per-axis size constraint: an explicit size, or a min / max clamp on the content-driven size. More...

#include <gui_core/layout/gui_constraints.h>

Public Member Functions
constexpr void	SetValue (CssPx v)
	Setters take CSS px (scaled when the element is added) or Pixels (used as is).
constexpr void	SetValue (Pixels v)
constexpr void	SetMin (CssPx v)
constexpr void	SetMin (Pixels v)
constexpr void	SetMax (CssPx v)
constexpr void	SetMax (Pixels v)
template<class PxFn>
constexpr void	ResolveCss (const PxFn &px)
	CSS px to pixels, with px (the style manager's Px).
constexpr bool	HasFixed () const
	True when an explicit size is set.
constexpr int32_t	Clamp (int32_t s) const
	Clamps s to [min, max].
constexpr int32_t	Apply (int32_t s) const
	The explicit size if set, else s clamped to [min, max].
bool	operator== (const SizeConstraintAxis &) const noexcept=default

Public Attributes
int32_t	value = kAuto
	Explicit size (kAuto = content-driven).
int32_t	min = 0
	Lower clamp for the content-driven size.
int32_t	max = kUnbounded
	Upper clamp for the content-driven size.
uint8_t	cssMask = 0
	Which of value / min / max are CSS px, scaled to pixels when the element is added.

Static Public Attributes
static constexpr int32_t	kAuto = -1
	No explicit size.
static constexpr int32_t	kUnbounded = std::numeric_limits<int32_t>::max()
	No maximum.
static constexpr uint8_t	kValueCss = 1
static constexpr uint8_t	kMinCss = 2
static constexpr uint8_t	kMaxCss = 4

Detailed Description

Per-axis size constraint: an explicit size, or a min / max clamp on the content-driven size.

Member Function Documentation

SetValue() [1/2]

void tachyon::SizeConstraintAxis::SetValue ( CssPx v )

inlineconstexpr

Setters take CSS px (scaled when the element is added) or Pixels (used as is).

SetValue() [2/2]

void tachyon::SizeConstraintAxis::SetValue ( Pixels v )

inlineconstexpr

SetMin() [1/2]

void tachyon::SizeConstraintAxis::SetMin ( CssPx v )

inlineconstexpr

SetMin() [2/2]

void tachyon::SizeConstraintAxis::SetMin ( Pixels v )

inlineconstexpr

SetMax() [1/2]

void tachyon::SizeConstraintAxis::SetMax ( CssPx v )

inlineconstexpr

SetMax() [2/2]

void tachyon::SizeConstraintAxis::SetMax ( Pixels v )

inlineconstexpr

ResolveCss()

template<class PxFn>

void tachyon::SizeConstraintAxis::ResolveCss ( const PxFn & px )

inlineconstexpr

CSS px to pixels, with px (the style manager's Px).

HasFixed()

bool tachyon::SizeConstraintAxis::HasFixed ( ) const

inlineconstexpr

True when an explicit size is set.

Clamp()

int32_t tachyon::SizeConstraintAxis::Clamp ( int32_t s ) const

inlineconstexpr

Clamps s to [min, max].

Apply()

int32_t tachyon::SizeConstraintAxis::Apply ( int32_t s ) const

inlineconstexpr

The explicit size if set, else s clamped to [min, max].

operator==()

bool tachyon::SizeConstraintAxis::operator== ( const SizeConstraintAxis & ) const

defaultnoexcept

Member Data Documentation

kAuto

int32_t tachyon::SizeConstraintAxis::kAuto = -1

staticconstexpr

No explicit size.

kUnbounded

int32_t tachyon::SizeConstraintAxis::kUnbounded = std::numeric_limits<int32_t>::max()

staticconstexpr

No maximum.

value

int32_t tachyon::SizeConstraintAxis::value = kAuto

Explicit size (kAuto = content-driven).

min

int32_t tachyon::SizeConstraintAxis::min = 0

Lower clamp for the content-driven size.

max

int32_t tachyon::SizeConstraintAxis::max = kUnbounded

Upper clamp for the content-driven size.

cssMask

uint8_t tachyon::SizeConstraintAxis::cssMask = 0

Which of value / min / max are CSS px, scaled to pixels when the element is added.

kValueCss

uint8_t tachyon::SizeConstraintAxis::kValueCss = 1

staticconstexpr

kMinCss

uint8_t tachyon::SizeConstraintAxis::kMinCss = 2

static

kMaxCss

uint8_t tachyon::SizeConstraintAxis::kMaxCss = 4

static

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The documentation for this struct was generated from the following file:

• gui_core/layout/gui_constraints.h