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// Take a look at the license at the top of the repository in the LICENSE file.

use crate::AxisFlags;
use glib::translate::*;
use std::fmt;

/// A [`TimeCoord`][crate::TimeCoord] stores a single event in a motion history.
#[repr(C)]
#[doc(alias = "GdkTimeCoord")]
pub struct TimeCoord(ffi::GdkTimeCoord);

impl TimeCoord {
    pub fn new(time: u32, axes: [f64; 12], flags: AxisFlags) -> Self {
        assert_initialized_main_thread!();
        Self(ffi::GdkTimeCoord {
            time,
            axes,
            flags: flags.into_glib(),
        })
    }

    pub fn time(&self) -> u32 {
        self.0.time
    }

    pub fn axes(&self) -> &[f64; 12] {
        &self.0.axes
    }

    pub fn flags(&self) -> AxisFlags {
        unsafe { from_glib(self.0.flags) }
    }
}

impl fmt::Display for TimeCoord {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.debug_struct("TimeCoord")
            .field("time", &self.time())
            .field("axes", &self.axes())
            .field("flags", &self.flags())
            .finish()
    }
}

impl fmt::Debug for TimeCoord {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_fmt(format_args!("{}", self))
    }
}

#[doc(hidden)]
impl GlibPtrDefault for TimeCoord {
    type GlibType = *mut ffi::GdkTimeCoord;
}
#[doc(hidden)]
impl FromGlibPtrNone<*mut ffi::GdkTimeCoord> for TimeCoord {
    unsafe fn from_glib_none(ptr: *mut ffi::GdkTimeCoord) -> Self {
        Self(*ptr)
    }
}

#[doc(hidden)]
impl FromGlibPtrFull<*mut ffi::GdkTimeCoord> for TimeCoord {
    unsafe fn from_glib_full(ptr: *mut ffi::GdkTimeCoord) -> Self {
        let res = from_glib_none(ptr);
        glib::ffi::g_free(ptr as *mut _);
        res
    }
}

#[doc(hidden)]
impl FromGlibContainerAsVec<ffi::GdkTimeCoord, *mut ffi::GdkTimeCoord> for TimeCoord {
    unsafe fn from_glib_none_num_as_vec(ptr: *mut ffi::GdkTimeCoord, num: usize) -> Vec<Self> {
        if num == 0 || ptr.is_null() {
            return Vec::new();
        }

        let mut res = Vec::with_capacity(num);
        for i in 0..num {
            res.push(from_glib_none(ptr.add(i)));
        }
        res
    }

    unsafe fn from_glib_container_num_as_vec(ptr: *mut ffi::GdkTimeCoord, num: usize) -> Vec<Self> {
        let res = FromGlibContainerAsVec::from_glib_none_num_as_vec(ptr, num);
        glib::ffi::g_free(ptr as *mut _);
        res
    }

    unsafe fn from_glib_full_num_as_vec(ptr: *mut ffi::GdkTimeCoord, num: usize) -> Vec<Self> {
        FromGlibContainerAsVec::from_glib_container_num_as_vec(ptr, num)
    }
}