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param_spec.rs
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param_spec.rs
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// Take a look at the license at the top of the repository in the LICENSE file.
use crate::translate::*;
use crate::utils::is_canonical_pspec_name;
use crate::IsA;
use crate::ParamFlags;
use crate::StaticType;
use crate::Type;
use crate::Value;
use crate::{
object::{Interface, InterfaceRef, IsClass, IsInterface, ObjectClass},
Object,
};
use std::char::CharTryFromError;
use std::convert::TryFrom;
use std::ffi::CStr;
// Can't use get_type here as this is not a boxed type but another fundamental type
wrapper! {
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[doc(alias = "GParamSpec")]
pub struct ParamSpec(Shared<gobject_ffi::GParamSpec>);
match fn {
ref => |ptr| gobject_ffi::g_param_spec_ref_sink(ptr),
unref => |ptr| gobject_ffi::g_param_spec_unref(ptr),
}
}
impl StaticType for ParamSpec {
fn static_type() -> Type {
unsafe { from_glib(gobject_ffi::G_TYPE_PARAM) }
}
}
#[doc(hidden)]
impl crate::value::ValueType for ParamSpec {
type Type = ParamSpec;
}
#[doc(hidden)]
impl crate::value::ValueTypeOptional for ParamSpec {}
#[doc(hidden)]
unsafe impl<'a> crate::value::FromValue<'a> for ParamSpec {
type Checker = crate::value::GenericValueTypeOrNoneChecker<Self>;
unsafe fn from_value(value: &'a crate::Value) -> Self {
let ptr = gobject_ffi::g_value_dup_param(value.to_glib_none().0);
assert!(!ptr.is_null());
from_glib_full(ptr as *mut gobject_ffi::GParamSpec)
}
}
#[doc(hidden)]
unsafe impl<'a> crate::value::FromValue<'a> for &'a ParamSpec {
type Checker = crate::value::GenericValueTypeOrNoneChecker<Self>;
unsafe fn from_value(value: &'a crate::Value) -> Self {
assert_eq!(
std::mem::size_of::<Self>(),
std::mem::size_of::<crate::ffi::gpointer>()
);
let value = &*(value as *const crate::Value as *const crate::gobject_ffi::GValue);
let ptr = &value.data[0].v_pointer as *const crate::ffi::gpointer
as *const *const gobject_ffi::GParamSpec;
assert!(!(*ptr).is_null());
&*(ptr as *const ParamSpec)
}
}
#[doc(hidden)]
impl crate::value::ToValue for ParamSpec {
fn to_value(&self) -> crate::Value {
unsafe {
let mut value = crate::Value::from_type(ParamSpec::static_type());
gobject_ffi::g_value_take_param(value.to_glib_none_mut().0, self.to_glib_full());
value
}
}
fn value_type(&self) -> crate::Type {
ParamSpec::static_type()
}
}
#[doc(hidden)]
impl crate::value::ToValueOptional for ParamSpec {
fn to_value_optional(s: Option<&Self>) -> crate::Value {
let mut value = crate::Value::for_value_type::<Self>();
unsafe {
gobject_ffi::g_value_take_param(value.to_glib_none_mut().0, s.to_glib_full());
}
value
}
}
impl AsRef<ParamSpec> for ParamSpec {
fn as_ref(&self) -> &ParamSpec {
self
}
}
unsafe impl Send for ParamSpec {}
unsafe impl Sync for ParamSpec {}
impl ParamSpec {
pub fn downcast<T: ParamSpecType>(self) -> Result<T, ParamSpec> {
unsafe {
if self.type_() == T::static_type() {
Ok(from_glib_full(self.to_glib_full()))
} else {
Err(self)
}
}
}
pub fn downcast_ref<T: ParamSpecType>(&self) -> Option<&T> {
unsafe {
if self.type_() == T::static_type() {
Some(&*(self as *const ParamSpec as *const T))
} else {
None
}
}
}
#[doc(alias = "get_type")]
pub fn type_(&self) -> Type {
unsafe {
from_glib(
(*(*(<Self as ToGlibPtr<*const _>>::to_glib_none(self).0))
.g_type_instance
.g_class)
.g_type,
)
}
}
#[doc(alias = "get_value_type")]
pub fn value_type(&self) -> crate::Type {
unsafe { from_glib((*(<Self as ToGlibPtr<*const _>>::to_glib_none(self).0)).value_type) }
}
#[cfg(any(feature = "v2_74", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_74")))]
#[doc(alias = "g_param_value_is_valid")]
pub fn value_is_valid(&self, value: &Value) -> bool {
unsafe {
from_glib(gobject_ffi::g_param_value_is_valid(
self.to_glib_none().0,
value.to_glib_none().0,
))
}
}
#[doc(alias = "get_owner_type")]
pub fn owner_type(&self) -> crate::Type {
unsafe { from_glib((*(<Self as ToGlibPtr<*const _>>::to_glib_none(self).0)).owner_type) }
}
#[doc(alias = "get_flags")]
pub fn flags(&self) -> ParamFlags {
unsafe { from_glib((*(<Self as ToGlibPtr<*const _>>::to_glib_none(self).0)).flags) }
}
#[doc(alias = "g_param_spec_get_blurb")]
#[doc(alias = "get_blurb")]
pub fn blurb(&self) -> Option<&str> {
unsafe {
let ptr = gobject_ffi::g_param_spec_get_blurb(self.to_glib_none().0);
if ptr.is_null() {
None
} else {
CStr::from_ptr(ptr).to_str().ok()
}
}
}
#[doc(alias = "g_param_spec_get_default_value")]
#[doc(alias = "get_default_value")]
pub fn default_value(&self) -> &Value {
unsafe {
&*(gobject_ffi::g_param_spec_get_default_value(self.to_glib_none().0)
as *const crate::Value)
}
}
#[doc(alias = "g_param_spec_get_name")]
#[doc(alias = "get_name")]
pub fn name<'a>(&self) -> &'a str {
unsafe {
CStr::from_ptr(gobject_ffi::g_param_spec_get_name(self.to_glib_none().0))
.to_str()
.unwrap()
}
}
#[doc(alias = "g_param_spec_get_name_quark")]
#[doc(alias = "get_name_quark")]
pub fn name_quark(&self) -> crate::Quark {
unsafe {
from_glib(gobject_ffi::g_param_spec_get_name_quark(
self.to_glib_none().0,
))
}
}
// rustdoc-stripper-ignore-next
/// Returns the nickname of this `ParamSpec`.
///
/// If this `ParamSpec` does not have a nickname, the nickname of its redirect target is returned if it has one.
/// Otherwise, `self.name()` is returned.
#[doc(alias = "g_param_spec_get_nick")]
#[doc(alias = "get_nick")]
pub fn nick(&self) -> &str {
unsafe {
CStr::from_ptr(gobject_ffi::g_param_spec_get_nick(self.to_glib_none().0))
.to_str()
.unwrap()
}
}
//pub fn get_qdata(&self, quark: /*Ignored*/glib::Quark) -> /*Unimplemented*/Option<Fundamental: Pointer> {
// unsafe { TODO: call gobject_ffi::g_param_spec_get_qdata() }
//}
#[doc(alias = "g_param_spec_get_redirect_target")]
#[doc(alias = "get_redirect_target")]
pub fn redirect_target(&self) -> Option<ParamSpec> {
unsafe {
from_glib_none(gobject_ffi::g_param_spec_get_redirect_target(
self.to_glib_none().0,
))
}
}
//pub fn set_qdata(&self, quark: /*Ignored*/glib::Quark, data: Option</*Unimplemented*/Fundamental: Pointer>) {
// unsafe { TODO: call gobject_ffi::g_param_spec_set_qdata() }
//}
//pub fn set_qdata_full(&self, quark: /*Ignored*/glib::Quark, data: Option</*Unimplemented*/Fundamental: Pointer>, destroy: /*Unknown conversion*//*Unimplemented*/DestroyNotify) {
// unsafe { TODO: call gobject_ffi::g_param_spec_set_qdata_full() }
//}
//pub fn steal_qdata(&self, quark: /*Ignored*/glib::Quark) -> /*Unimplemented*/Option<Fundamental: Pointer> {
// unsafe { TODO: call gobject_ffi::g_param_spec_steal_qdata() }
//}
#[cfg(any(feature = "v2_66", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v2_66")))]
#[doc(alias = "g_param_spec_is_valid_name")]
pub fn is_valid_name(name: &str) -> bool {
unsafe {
from_glib(gobject_ffi::g_param_spec_is_valid_name(
name.to_glib_none().0,
))
}
}
}
pub unsafe trait ParamSpecType:
StaticType + FromGlibPtrFull<*mut gobject_ffi::GParamSpec> + 'static
{
}
#[link(name = "gobject-2.0")]
extern "C" {
pub static g_param_spec_types: *const ffi::GType;
}
macro_rules! define_param_spec {
($rust_type:ident, $ffi_type:path, $rust_type_offset:expr) => {
// Can't use get_type here as this is not a boxed type but another fundamental type
wrapper! {
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct $rust_type(Shared<$ffi_type>);
match fn {
ref => |ptr| gobject_ffi::g_param_spec_ref_sink(ptr as *mut gobject_ffi::GParamSpec) as *mut $ffi_type,
unref => |ptr| gobject_ffi::g_param_spec_unref(ptr as *mut gobject_ffi::GParamSpec),
}
}
impl StaticType for $rust_type {
fn static_type() -> Type {
unsafe {
from_glib(*g_param_spec_types.add($rust_type_offset))
}
}
}
#[doc(hidden)]
impl crate::value::ValueType for $rust_type {
type Type = $rust_type;
}
#[doc(hidden)]
impl crate::value::ValueTypeOptional for $rust_type {}
#[doc(hidden)]
unsafe impl<'a> crate::value::FromValue<'a> for $rust_type {
type Checker = $crate::value::GenericValueTypeOrNoneChecker<Self>;
unsafe fn from_value(value: &'a crate::Value) -> Self {
let ptr = gobject_ffi::g_value_dup_param(value.to_glib_none().0);
assert!(!ptr.is_null());
from_glib_full(ptr as *mut $ffi_type)
}
}
#[doc(hidden)]
unsafe impl<'a> crate::value::FromValue<'a> for &'a $rust_type {
type Checker = crate::value::GenericValueTypeOrNoneChecker<Self>;
unsafe fn from_value(value: &'a crate::Value) -> Self {
assert_eq!(std::mem::size_of::<Self>(), std::mem::size_of::<crate::ffi::gpointer>());
let value = &*(value as *const crate::Value as *const crate::gobject_ffi::GValue);
let ptr = &value.data[0].v_pointer as *const crate::ffi::gpointer as *const *const gobject_ffi::GParamSpec;
assert!(!(*ptr).is_null());
&*(ptr as *const $rust_type)
}
}
#[doc(hidden)]
impl crate::value::ToValue for $rust_type {
fn to_value(&self) -> crate::Value {
unsafe {
let mut value = crate::Value::from_type($rust_type::static_type());
gobject_ffi::g_value_take_param(value.to_glib_none_mut().0, $crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_full(self) as *mut _);
value
}
}
fn value_type(&self) -> crate::Type {
$rust_type::static_type()
}
}
#[doc(hidden)]
impl crate::value::ToValueOptional for $rust_type {
fn to_value_optional(s: Option<&Self>) -> crate::Value {
let mut value = crate::Value::for_value_type::<Self>();
unsafe {
gobject_ffi::g_value_take_param(value.to_glib_none_mut().0, $crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_full(&s) as *mut _);
}
value
}
}
unsafe impl Send for $rust_type {}
unsafe impl Sync for $rust_type {}
impl std::ops::Deref for $rust_type {
type Target = ParamSpec;
fn deref(&self) -> &Self::Target {
unsafe {
&*(self as *const $rust_type as *const ParamSpec)
}
}
}
unsafe impl ParamSpecType for $rust_type {}
#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *const gobject_ffi::GParamSpec> for $rust_type {
type Storage = &'a $crate::shared::Shared<$ffi_type, $rust_type>;
#[inline]
fn to_glib_none(&'a self) -> $crate::translate::Stash<'a, *const gobject_ffi::GParamSpec, Self> {
let stash = $crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_none(self);
$crate::translate::Stash(stash.0 as *const _, stash.1)
}
#[inline]
fn to_glib_full(&self) -> *const gobject_ffi::GParamSpec {
$crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_full(self) as *const _
}
}
#[doc(hidden)]
impl<'a> ToGlibPtr<'a, *mut gobject_ffi::GParamSpec> for $rust_type {
type Storage = &'a $crate::shared::Shared<$ffi_type, $rust_type>;
#[inline]
fn to_glib_none(&'a self) -> $crate::translate::Stash<'a, *mut gobject_ffi::GParamSpec, Self> {
let stash = $crate::translate::ToGlibPtr::<*mut $ffi_type>::to_glib_none(self);
$crate::translate::Stash(stash.0 as *mut _, stash.1)
}
#[inline]
fn to_glib_full(&self) -> *mut gobject_ffi::GParamSpec {
$crate::translate::ToGlibPtr::<*mut $ffi_type>::to_glib_full(self) as *mut _
}
}
#[doc(hidden)]
impl IntoGlibPtr<*mut gobject_ffi::GParamSpec> for $rust_type {
#[inline]
unsafe fn into_glib_ptr(self) -> *mut gobject_ffi::GParamSpec {
let s = std::mem::ManuallyDrop::new(self);
s.to_glib_none().0
}
}
#[doc(hidden)]
impl IntoGlibPtr<*const gobject_ffi::GParamSpec> for $rust_type {
#[inline]
unsafe fn into_glib_ptr(self) -> *const gobject_ffi::GParamSpec {
let s = std::mem::ManuallyDrop::new(self);
s.to_glib_none().0
}
}
#[doc(hidden)]
impl FromGlibPtrNone<*const gobject_ffi::GParamSpec> for $rust_type {
unsafe fn from_glib_none(ptr: *const gobject_ffi::GParamSpec) -> Self {
from_glib_none(ptr as *const $ffi_type)
}
}
#[doc(hidden)]
impl FromGlibPtrNone<*mut gobject_ffi::GParamSpec> for $rust_type {
unsafe fn from_glib_none(ptr: *mut gobject_ffi::GParamSpec) -> Self {
from_glib_none(ptr as *mut $ffi_type)
}
}
#[doc(hidden)]
impl FromGlibPtrBorrow<*const gobject_ffi::GParamSpec> for $rust_type {
unsafe fn from_glib_borrow(ptr: *const gobject_ffi::GParamSpec) -> Borrowed<Self> {
from_glib_borrow(ptr as *const $ffi_type)
}
}
#[doc(hidden)]
impl FromGlibPtrBorrow<*mut gobject_ffi::GParamSpec> for $rust_type {
unsafe fn from_glib_borrow(ptr: *mut gobject_ffi::GParamSpec) -> Borrowed<Self> {
from_glib_borrow(ptr as *mut $ffi_type)
}
}
#[doc(hidden)]
impl FromGlibPtrFull<*mut gobject_ffi::GParamSpec> for $rust_type {
unsafe fn from_glib_full(ptr: *mut gobject_ffi::GParamSpec) -> Self {
from_glib_full(ptr as *mut $ffi_type)
}
}
impl $rust_type {
pub fn upcast(self) -> ParamSpec {
unsafe {
from_glib_full(ToGlibPtr::<*const $ffi_type>::to_glib_full(&self) as *mut gobject_ffi::GParamSpec)
}
}
pub fn upcast_ref(&self) -> &ParamSpec {
&*self
}
}
impl AsRef<ParamSpec> for $rust_type {
fn as_ref(&self) -> &ParamSpec {
&self
}
}
};
}
macro_rules! define_param_spec_default {
($rust_type:ident, $ffi_type:path, $value_type:ty, $from_glib:expr) => {
impl $rust_type {
pub fn default_value(&self) -> $value_type {
unsafe {
let ptr =
$crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_none(self).0;
$from_glib((*ptr).default_value)
}
}
}
};
}
macro_rules! define_param_spec_min_max {
($rust_type:ident, $ffi_type:path, $value_type:ty) => {
impl $rust_type {
pub fn minimum(&self) -> $value_type {
unsafe {
let ptr =
$crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_none(self).0;
(*ptr).minimum
}
}
pub fn maximum(&self) -> $value_type {
unsafe {
let ptr =
$crate::translate::ToGlibPtr::<*const $ffi_type>::to_glib_none(self).0;
(*ptr).maximum
}
}
}
};
}
macro_rules! define_param_spec_numeric {
($rust_type:ident, $ffi_type:path, $value_type:ty, $rust_type_offset:expr, $ffi_fun:ident, $alias:literal) => {
define_param_spec!($rust_type, $ffi_type, $rust_type_offset);
define_param_spec_default!($rust_type, $ffi_type, $value_type, |x| x);
define_param_spec_min_max!($rust_type, $ffi_type, $value_type);
impl $rust_type {
#[allow(clippy::new_ret_no_self)]
#[doc(alias = $alias)]
pub fn new<'a>(
name: &str,
nick: impl Into<Option<&'a str>>,
blurb: impl Into<Option<&'a str>>,
minimum: $value_type,
maximum: $value_type,
default_value: $value_type,
flags: ParamFlags,
) -> ParamSpec {
assert_param_name(name);
unsafe {
from_glib_none(gobject_ffi::$ffi_fun(
name.to_glib_none().0,
nick.into().to_glib_none().0,
blurb.into().to_glib_none().0,
minimum,
maximum,
default_value,
flags.into_glib(),
))
}
}
}
};
}
/// A trait implemented by the various [`ParamSpec`] builder types.
///
/// It is useful for providing a builder pattern for [`ParamSpec`] defined
/// outside of GLib like in GStreamer or GTK 4.
pub trait ParamSpecBuilderExt<'a>: Sized {
/// Implementation detail.
fn set_nick(&mut self, nick: Option<&'a str>);
/// Implementation detail.
fn set_blurb(&mut self, blurb: Option<&'a str>);
/// Implementation detail.
fn set_flags(&mut self, flags: crate::ParamFlags);
/// Implementation detail.
fn current_flags(&self) -> crate::ParamFlags;
/// By default, the nickname of its redirect target will be used if it has one.
/// Otherwise, `self.name` will be used.
fn nick(mut self, nick: &'a str) -> Self {
self.set_nick(Some(nick));
self
}
/// Default: `None`
fn blurb(mut self, blurb: &'a str) -> Self {
self.set_blurb(Some(blurb));
self
}
/// Default: `glib::ParamFlags::READWRITE`
fn flags(mut self, flags: crate::ParamFlags) -> Self {
self.set_flags(flags);
self
}
/// Mark the property as read only and drops the READWRITE flag set by default.
fn read_only(self) -> Self {
let flags =
(self.current_flags() - crate::ParamFlags::WRITABLE) | crate::ParamFlags::READABLE;
self.flags(flags)
}
/// Mark the property as write only and drops the READWRITE flag set by default.
fn write_only(self) -> Self {
let flags =
(self.current_flags() - crate::ParamFlags::READABLE) | crate::ParamFlags::WRITABLE;
self.flags(flags)
}
/// Mark the property as readwrite, it is the default value.
fn readwrite(self) -> Self {
let flags = self.current_flags() | crate::ParamFlags::READWRITE;
self.flags(flags)
}
/// Mark the property as construct
fn construct(self) -> Self {
let flags = self.current_flags() | crate::ParamFlags::CONSTRUCT;
self.flags(flags)
}
/// Mark the property as construct only
fn construct_only(self) -> Self {
let flags = self.current_flags() | crate::ParamFlags::CONSTRUCT_ONLY;
self.flags(flags)
}
/// Mark the property as lax validation
fn lax_validation(self) -> Self {
let flags = self.current_flags() | crate::ParamFlags::LAX_VALIDATION;
self.flags(flags)
}
/// Mark the property as explicit notify
fn explicit_notify(self) -> Self {
let flags = self.current_flags() | crate::ParamFlags::EXPLICIT_NOTIFY;
self.flags(flags)
}
/// Mark the property as deprecated
fn deprecated(self) -> Self {
let flags = self.current_flags() | crate::ParamFlags::DEPRECATED;
self.flags(flags)
}
}
macro_rules! define_builder {
(@constructors $rust_type:ident, $builder_type:ident $(($($req_ident:ident: $req_ty:ty,)*))?) => {
impl<'a> $builder_type<'a> {
fn new(name: &'a str, $($($req_ident: $req_ty)*)?) -> Self {
Self {
name,
$($($req_ident: Some($req_ident),)*)?
..Default::default()
}
}
}
impl $rust_type {
pub fn builder<'a>(name: &'a str, $($($req_ident: $req_ty),*)?) -> $builder_type<'a> {
$builder_type::new(name, $($($req_ident),*)?)
}
}
impl<'a> crate::prelude::ParamSpecBuilderExt<'a> for $builder_type<'a> {
fn set_nick(&mut self, nick: Option<&'a str>) {
self.nick = nick;
}
fn set_blurb(&mut self, blurb: Option<&'a str>) {
self.blurb = blurb;
}
fn set_flags(&mut self, flags: crate::ParamFlags) {
self.flags = flags;
}
fn current_flags(&self) -> crate::ParamFlags {
self.flags
}
}
};
(
$rust_type:ident, $builder_type:ident {
$($field_id:ident: $field_ty:ty $(= $field_expr:expr)?,)*
}
$(requires $required_tt:tt)?
) => {
#[derive(Default)]
#[must_use]
pub struct $builder_type<'a> {
name: &'a str,
nick: Option<&'a str>,
blurb: Option<&'a str>,
flags: crate::ParamFlags,
$($field_id: Option<$field_ty>),*
}
impl<'a> $builder_type<'a> {
$(
$(#[doc = concat!("Default: `", stringify!($field_expr), "`")])?
pub fn $field_id(mut self, value: $field_ty) -> Self {
self.$field_id = Some(value);
self
}
)*
#[must_use]
pub fn build(self) -> ParamSpec {
$rust_type::new(
self.name,
self.nick,
self.blurb,
$(self
.$field_id
$(.or(Some($field_expr)))?
.expect("impossible: missing parameter in ParamSpec*Builder")
,)*
self.flags
)
}
}
define_builder!(@constructors $rust_type, $builder_type $($required_tt)?);
}
}
macro_rules! define_builder_numeric {
($rust_type:ident, $builder_type:ident, $n_ty:ty) => {
define_builder!(
$rust_type,
$builder_type {
minimum: $n_ty = <$n_ty>::MIN,
maximum: $n_ty = <$n_ty>::MAX,
default_value: $n_ty = <$n_ty as Default>::default(),
}
);
};
}
#[track_caller]
// the default panic formatter will use its caller as the location in its error message
fn assert_param_name(name: &str) {
assert!(
is_canonical_pspec_name(name),
"{name} is not a valid canonical parameter name",
);
}
define_param_spec_numeric!(
ParamSpecChar,
gobject_ffi::GParamSpecChar,
i8,
0,
g_param_spec_char,
"g_param_spec_char"
);
define_builder_numeric!(ParamSpecChar, ParamSpecCharBuilder, i8);
define_param_spec_numeric!(
ParamSpecUChar,
gobject_ffi::GParamSpecUChar,
u8,
1,
g_param_spec_uchar,
"g_param_spec_uchar"
);
define_builder_numeric!(ParamSpecUChar, ParamSpecUCharBuilder, u8);
define_param_spec!(ParamSpecBoolean, gobject_ffi::GParamSpecBoolean, 2);
define_param_spec_default!(
ParamSpecBoolean,
gobject_ffi::GParamSpecBoolean,
bool,
|x| from_glib(x)
);
impl ParamSpecBoolean {
#[allow(clippy::new_ret_no_self)]
#[doc(alias = "g_param_spec_boolean")]
pub fn new<'a>(
name: &str,
nick: impl Into<Option<&'a str>>,
blurb: impl Into<Option<&'a str>>,
default_value: bool,
flags: ParamFlags,
) -> ParamSpec {
assert_param_name(name);
unsafe {
from_glib_none(gobject_ffi::g_param_spec_boolean(
name.to_glib_none().0,
nick.into().to_glib_none().0,
blurb.into().to_glib_none().0,
default_value.into_glib(),
flags.into_glib(),
))
}
}
}
define_builder!(
ParamSpecBoolean,
ParamSpecBooleanBuilder {
default_value: bool = false,
}
);
define_param_spec_numeric!(
ParamSpecInt,
gobject_ffi::GParamSpecInt,
i32,
3,
g_param_spec_int,
"g_param_spec_int"
);
define_builder_numeric!(ParamSpecInt, ParamSpecIntBuilder, i32);
define_param_spec_numeric!(
ParamSpecUInt,
gobject_ffi::GParamSpecUInt,
u32,
4,
g_param_spec_uint,
"g_param_spec_uint"
);
define_builder_numeric!(ParamSpecUInt, ParamSpecUIntBuilder, u32);
define_param_spec_numeric!(
ParamSpecLong,
gobject_ffi::GParamSpecLong,
libc::c_long,
5,
g_param_spec_long,
"g_param_spec_long"
);
define_builder_numeric!(ParamSpecLong, ParamSpecLongBuilder, libc::c_long);
define_param_spec_numeric!(
ParamSpecULong,
gobject_ffi::GParamSpecULong,
libc::c_ulong,
6,
g_param_spec_ulong,
"g_param_spec_ulong"
);
define_builder_numeric!(ParamSpecULong, ParamSpecULongBuilder, libc::c_ulong);
define_param_spec_numeric!(
ParamSpecInt64,
gobject_ffi::GParamSpecInt64,
i64,
7,
g_param_spec_int64,
"g_param_spec_int64"
);
define_builder_numeric!(ParamSpecInt64, ParamSpecInt64Builder, i64);
define_param_spec_numeric!(
ParamSpecUInt64,
gobject_ffi::GParamSpecUInt64,
u64,
8,
g_param_spec_uint64,
"g_param_spec_uint64"
);
define_builder_numeric!(ParamSpecUInt64, ParamSpecUInt64Builder, u64);
define_param_spec!(ParamSpecUnichar, gobject_ffi::GParamSpecUnichar, 9);
define_param_spec_default!(ParamSpecUnichar, gobject_ffi::GParamSpecUnichar, Result<char, CharTryFromError>, TryFrom::try_from);
impl ParamSpecUnichar {
#[allow(clippy::new_ret_no_self)]
#[doc(alias = "g_param_spec_unichar")]
pub fn new<'a>(
name: &str,
nick: impl Into<Option<&'a str>>,
blurb: impl Into<Option<&'a str>>,
default_value: char,
flags: ParamFlags,
) -> ParamSpec {
assert_param_name(name);
unsafe {
from_glib_none(gobject_ffi::g_param_spec_unichar(
name.to_glib_none().0,
nick.into().to_glib_none().0,
blurb.into().to_glib_none().0,
default_value.into_glib(),
flags.into_glib(),
))
}
}
}
define_builder!(
ParamSpecUnichar,
ParamSpecUnicharBuilder {
default_value: char,
}
requires (default_value: char,)
);
define_param_spec!(ParamSpecEnum, gobject_ffi::GParamSpecEnum, 10);
impl ParamSpecEnum {
#[allow(clippy::new_ret_no_self)]
#[doc(alias = "g_param_spec_enum")]
pub fn new<'a>(
name: &str,
nick: impl Into<Option<&'a str>>,
blurb: impl Into<Option<&'a str>>,
enum_type: crate::Type,
default_value: i32,
flags: ParamFlags,
) -> ParamSpec {
assert_param_name(name);
assert!(enum_type.is_a(Type::ENUM));
unsafe {
from_glib_none(gobject_ffi::g_param_spec_enum(
name.to_glib_none().0,
nick.into().to_glib_none().0,
blurb.into().to_glib_none().0,
enum_type.into_glib(),
default_value,
flags.into_glib(),
))
}
}
#[doc(alias = "get_enum_class")]
pub fn enum_class(&self) -> crate::EnumClass {
unsafe {
let ptr = ToGlibPtr::<*const gobject_ffi::GParamSpecEnum>::to_glib_none(self).0;
assert!(!(*ptr).enum_class.is_null());
crate::EnumClass::new(from_glib((*(*ptr).enum_class).g_type_class.g_type))
.expect("Invalid enum class")
}
}
pub fn default_value<T: StaticType + FromGlib<i32>>(&self) -> Result<T, crate::BoolError> {
unsafe {
if !self.enum_class().type_().is_a(T::static_type()) {
return Err(bool_error!(
"Wrong type -- expected {} got {}",
self.enum_class().type_(),
T::static_type()
));
}
Ok(from_glib(self.default_value_as_i32()))
}
}
pub fn default_value_as_i32(&self) -> i32 {
unsafe {
let ptr = ToGlibPtr::<*const gobject_ffi::GParamSpecEnum>::to_glib_none(self).0;
(*ptr).default_value
}
}
pub fn builder<T: StaticType + FromGlib<i32> + IntoGlib<GlibType = i32>>(
name: &str,
default_value: T,
) -> ParamSpecEnumBuilder<T> {
ParamSpecEnumBuilder::new(name, default_value)
}
}
#[must_use]
pub struct ParamSpecEnumBuilder<'a, T: StaticType + FromGlib<i32> + IntoGlib<GlibType = i32>> {
name: &'a str,
nick: Option<&'a str>,
blurb: Option<&'a str>,
flags: crate::ParamFlags,
default_value: T,
}
impl<'a, T: StaticType + FromGlib<i32> + IntoGlib<GlibType = i32>> ParamSpecEnumBuilder<'a, T> {
fn new(name: &'a str, default_value: T) -> Self {
Self {
name,
nick: None,
blurb: None,
flags: crate::ParamFlags::default(),
default_value,
}
}
#[must_use]
pub fn build(self) -> ParamSpec {
ParamSpecEnum::new(
self.name,
self.nick,
self.blurb,
T::static_type(),
self.default_value.into_glib(),
self.flags,
)
}
}
impl<'a, T: StaticType + FromGlib<i32> + IntoGlib<GlibType = i32>>
crate::prelude::ParamSpecBuilderExt<'a> for ParamSpecEnumBuilder<'a, T>
{
fn set_nick(&mut self, nick: Option<&'a str>) {
self.nick = nick;
}
fn set_blurb(&mut self, blurb: Option<&'a str>) {
self.blurb = blurb;
}
fn set_flags(&mut self, flags: crate::ParamFlags) {
self.flags = flags;
}
fn current_flags(&self) -> crate::ParamFlags {