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use crate::ParamSpecExpression;
use glib::gobject_ffi;
use glib::translate::*;
use glib::{ParamSpec, StaticType, Value};
impl std::fmt::Debug for ParamSpecExpression {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
f.write_str("ParamSpecExpression")
}
}
impl std::ops::Deref for ParamSpecExpression {
type Target = ParamSpec;
fn deref(&self) -> &Self::Target {
unsafe { &*(self as *const ParamSpecExpression as *const ParamSpec) }
}
}
unsafe impl glib::ParamSpecType for ParamSpecExpression {}
#[doc(hidden)]
impl FromGlibPtrFull<*mut gobject_ffi::GParamSpec> for ParamSpecExpression {
unsafe fn from_glib_full(ptr: *mut gobject_ffi::GParamSpec) -> Self {
from_glib_full(ptr as *mut ffi::GtkParamSpecExpression)
}
}
impl ParamSpecExpression {
#[allow(clippy::new_ret_no_self)]
#[doc(alias = "gtk_param_spec_expression")]
pub fn new(name: &str, nick: &str, blurb: &str, flags: glib::ParamFlags) -> ParamSpec {
assert_initialized_main_thread!();
unsafe {
from_glib_none(ffi::gtk_param_spec_expression(
name.to_glib_none().0,
nick.to_glib_none().0,
blurb.to_glib_none().0,
flags.into_glib(),
))
}
}
pub fn upcast(self) -> ParamSpec {
unsafe { from_glib_full(self.to_glib_full() as *mut gobject_ffi::GParamSpec) }
}
pub fn upcast_ref(&self) -> &ParamSpec {
&*self
}
}
#[doc(hidden)]
impl glib::value::ValueType for ParamSpecExpression {
type Type = ParamSpecExpression;
}
#[doc(hidden)]
impl glib::value::ValueTypeOptional for ParamSpecExpression {}
#[doc(hidden)]
unsafe impl<'a> glib::value::FromValue<'a> for ParamSpecExpression {
type Checker = glib::value::GenericValueTypeOrNoneChecker<Self>;
unsafe fn from_value(value: &'a 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)]
impl glib::value::ToValue for ParamSpecExpression {
fn to_value(&self) -> Value {
unsafe {
let mut value = Value::from_type(Self::static_type());
gobject_ffi::g_value_take_param(
value.to_glib_none_mut().0,
self.to_glib_full() as *mut _,
);
value
}
}
fn value_type(&self) -> glib::Type {
Self::static_type()
}
}
#[doc(hidden)]
impl glib::value::ToValueOptional for ParamSpecExpression {
fn to_value_optional(s: Option<&Self>) -> Value {
assert_initialized_main_thread!();
let mut value = Value::for_value_type::<Self>();
unsafe {
gobject_ffi::g_value_take_param(value.to_glib_none_mut().0, s.to_glib_full() as *mut _);
}
value
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate as gtk4;
#[test]
fn test_paramspec_expression() {
let pspec = ParamSpecExpression::new(
"expression",
"Expression",
"Some Expression",
glib::ParamFlags::CONSTRUCT_ONLY | glib::ParamFlags::READABLE,
);
let expr_pspec = pspec.downcast::<ParamSpecExpression>();
assert!(expr_pspec.is_ok());
}
}