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Allow usage of Structures in GValues

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This commit is contained in:
Sebastian Dröge 2017-08-10 01:13:28 +03:00
parent a10d081c22
commit 2452f7f6a9
1 changed files with 21 additions and 2 deletions
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23
gstreamer/src/structure.rs
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@ -18,10 +18,12 @@ use std::marker::PhantomData;
use Fraction;
use glib;
use glib::translate::{from_glib, from_glib_full, FromGlibPtrFull, FromGlibPtrNone, Stash,
StashMut, ToGlib, ToGlibPtr, ToGlibPtrMut};
use glib::translate::{from_glib, from_glib_full, from_glib_none, FromGlibPtrFull, FromGlibPtrNone,
GlibPtrDefault, Stash, StashMut, ToGlib, ToGlibPtr, ToGlibPtrMut};
use glib::value::{FromValueOptional, ToValue, Value};
use ffi;
use glib_ffi::gpointer;
use gobject_ffi;
pub struct Structure(*mut StructureRef, PhantomData<StructureRef>);
@ -225,6 +227,23 @@ impl FromGlibPtrFull<*mut ffi::GstStructure> for Structure {
}
}
impl<'a> glib::value::FromValueOptional<'a> for Structure {
unsafe fn from_value_optional(v: &'a glib::Value) -> Option<Self> {
let ptr = gobject_ffi::g_value_get_boxed(v.to_glib_none().0);
from_glib_none(ptr as *const ffi::GstStructure)
}
}
impl glib::value::SetValue for Structure {
unsafe fn set_value(v: &mut glib::Value, s: &Self) {
gobject_ffi::g_value_set_boxed(v.to_glib_none_mut().0, s.0 as gpointer);
}
}
impl GlibPtrDefault for Structure {
type GlibType = *mut ffi::GstStructure;
}
#[repr(C)]
pub struct StructureRef(ffi::GstStructure);