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use glib::object::IsA;
use glib::translate::*;
use pango_sys;
use std::fmt;
use Font;
use FontMetrics;
glib_wrapper! {
pub struct Fontset(Object<pango_sys::PangoFontset, pango_sys::PangoFontsetClass, FontsetClass>);
match fn {
get_type => || pango_sys::pango_fontset_get_type(),
}
}
pub const NONE_FONTSET: Option<&Fontset> = None;
pub trait FontsetExt: 'static {
fn foreach<P: FnMut(&Fontset, &Font) -> bool>(&self, func: P);
fn get_font(&self, wc: u32) -> Option<Font>;
fn get_metrics(&self) -> Option<FontMetrics>;
}
impl<O: IsA<Fontset>> FontsetExt for O {
fn foreach<P: FnMut(&Fontset, &Font) -> bool>(&self, func: P) {
let func_data: P = func;
unsafe extern "C" fn func_func<P: FnMut(&Fontset, &Font) -> bool>(
fontset: *mut pango_sys::PangoFontset,
font: *mut pango_sys::PangoFont,
user_data: glib_sys::gpointer,
) -> glib_sys::gboolean {
let fontset = from_glib_borrow(fontset);
let font = from_glib_borrow(font);
let callback: *mut P = user_data as *const _ as usize as *mut P;
let res = (*callback)(&fontset, &font);
res.to_glib()
}
let func = Some(func_func::<P> as _);
let super_callback0: &P = &func_data;
unsafe {
pango_sys::pango_fontset_foreach(
self.as_ref().to_glib_none().0,
func,
super_callback0 as *const _ as usize as *mut _,
);
}
}
fn get_font(&self, wc: u32) -> Option<Font> {
unsafe {
from_glib_full(pango_sys::pango_fontset_get_font(
self.as_ref().to_glib_none().0,
wc,
))
}
}
fn get_metrics(&self) -> Option<FontMetrics> {
unsafe {
from_glib_full(pango_sys::pango_fontset_get_metrics(
self.as_ref().to_glib_none().0,
))
}
}
}
impl fmt::Display for Fontset {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Fontset")
}
}