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use crate::{Constraint, ConstraintLayout, Widget};
use glib::translate::*;
use glib::IsA;
use std::collections::HashMap;
impl ConstraintLayout {
#[doc(alias = "gtk_constraint_layout_add_constraints_from_descriptionv")]
#[doc(alias = "gtk_constraint_layout_add_constraints_from_description")]
#[doc(alias = "add_constraints_from_descriptionv")]
pub fn add_constraints_from_description<W: IsA<Widget>>(
&self,
lines: &[&str],
hspacing: i32,
vspacing: i32,
views: &HashMap<&str, &W>,
) -> Result<Vec<Constraint>, glib::Error> {
unsafe {
let mut err = std::ptr::null_mut();
let hash_table = glib::ffi::g_hash_table_new_full(
Some(glib::ffi::g_str_hash),
Some(glib::ffi::g_str_equal),
Some(glib::ffi::g_free),
Some(glib::ffi::g_free),
);
for (key, widget) in views {
let key_ptr: *mut libc::c_char = key.to_glib_full();
glib::ffi::g_hash_table_insert(
hash_table,
key_ptr as *mut _,
widget.to_glib_full() as *mut _,
);
}
let out = ffi::gtk_constraint_layout_add_constraints_from_descriptionv(
self.to_glib_none().0,
lines.to_glib_none().0,
lines.len() as usize,
hspacing,
vspacing,
hash_table,
&mut err,
);
if !err.is_null() {
Err(from_glib_full(err))
} else {
Ok(FromGlibPtrContainer::from_glib_container(out))
}
}
}
}