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use glib::object::IsA;
use glib::translate::*;
use pango_sys;
use std::fmt;
use std::mem;
use std::ptr;
use Direction;
use Font;
use FontDescription;
use FontFamily;
use FontMap;
use FontMetrics;
use Fontset;
use Gravity;
use GravityHint;
use Language;
use Matrix;
glib_wrapper! {
pub struct Context(Object<pango_sys::PangoContext, pango_sys::PangoContextClass, ContextClass>);
match fn {
get_type => || pango_sys::pango_context_get_type(),
}
}
impl Context {
pub fn new() -> Context {
unsafe { from_glib_full(pango_sys::pango_context_new()) }
}
pub fn changed(&self) {
unsafe {
pango_sys::pango_context_changed(self.to_glib_none().0);
}
}
pub fn get_base_dir(&self) -> Direction {
unsafe { from_glib(pango_sys::pango_context_get_base_dir(self.to_glib_none().0)) }
}
pub fn get_base_gravity(&self) -> Gravity {
unsafe {
from_glib(pango_sys::pango_context_get_base_gravity(
self.to_glib_none().0,
))
}
}
pub fn get_font_description(&self) -> Option<FontDescription> {
unsafe {
from_glib_none(pango_sys::pango_context_get_font_description(
self.to_glib_none().0,
))
}
}
pub fn get_font_map(&self) -> Option<FontMap> {
unsafe { from_glib_none(pango_sys::pango_context_get_font_map(self.to_glib_none().0)) }
}
pub fn get_gravity(&self) -> Gravity {
unsafe { from_glib(pango_sys::pango_context_get_gravity(self.to_glib_none().0)) }
}
pub fn get_gravity_hint(&self) -> GravityHint {
unsafe {
from_glib(pango_sys::pango_context_get_gravity_hint(
self.to_glib_none().0,
))
}
}
pub fn get_language(&self) -> Option<Language> {
unsafe { from_glib_full(pango_sys::pango_context_get_language(self.to_glib_none().0)) }
}
pub fn get_matrix(&self) -> Option<Matrix> {
unsafe { from_glib_none(pango_sys::pango_context_get_matrix(self.to_glib_none().0)) }
}
pub fn get_metrics(
&self,
desc: Option<&FontDescription>,
language: Option<&Language>,
) -> Option<FontMetrics> {
unsafe {
from_glib_full(pango_sys::pango_context_get_metrics(
self.to_glib_none().0,
desc.to_glib_none().0,
mut_override(language.to_glib_none().0),
))
}
}
#[cfg(any(feature = "v1_44", feature = "dox"))]
pub fn get_round_glyph_positions(&self) -> bool {
unsafe {
from_glib(pango_sys::pango_context_get_round_glyph_positions(
self.to_glib_none().0,
))
}
}
pub fn get_serial(&self) -> u32 {
unsafe { pango_sys::pango_context_get_serial(self.to_glib_none().0) }
}
pub fn list_families(&self) -> Vec<FontFamily> {
unsafe {
let mut families = ptr::null_mut();
let mut n_families = mem::MaybeUninit::uninit();
pango_sys::pango_context_list_families(
self.to_glib_none().0,
&mut families,
n_families.as_mut_ptr(),
);
FromGlibContainer::from_glib_container_num(families, n_families.assume_init() as usize)
}
}
pub fn load_font(&self, desc: &FontDescription) -> Option<Font> {
unsafe {
from_glib_full(pango_sys::pango_context_load_font(
self.to_glib_none().0,
desc.to_glib_none().0,
))
}
}
pub fn load_fontset(&self, desc: &FontDescription, language: &Language) -> Option<Fontset> {
unsafe {
from_glib_full(pango_sys::pango_context_load_fontset(
self.to_glib_none().0,
desc.to_glib_none().0,
mut_override(language.to_glib_none().0),
))
}
}
pub fn set_base_dir(&self, direction: Direction) {
unsafe {
pango_sys::pango_context_set_base_dir(self.to_glib_none().0, direction.to_glib());
}
}
pub fn set_base_gravity(&self, gravity: Gravity) {
unsafe {
pango_sys::pango_context_set_base_gravity(self.to_glib_none().0, gravity.to_glib());
}
}
pub fn set_font_description(&self, desc: &FontDescription) {
unsafe {
pango_sys::pango_context_set_font_description(
self.to_glib_none().0,
desc.to_glib_none().0,
);
}
}
pub fn set_font_map<P: IsA<FontMap>>(&self, font_map: &P) {
unsafe {
pango_sys::pango_context_set_font_map(
self.to_glib_none().0,
font_map.as_ref().to_glib_none().0,
);
}
}
pub fn set_gravity_hint(&self, hint: GravityHint) {
unsafe {
pango_sys::pango_context_set_gravity_hint(self.to_glib_none().0, hint.to_glib());
}
}
pub fn set_language(&self, language: &Language) {
unsafe {
pango_sys::pango_context_set_language(
self.to_glib_none().0,
mut_override(language.to_glib_none().0),
);
}
}
pub fn set_matrix(&self, matrix: Option<&Matrix>) {
unsafe {
pango_sys::pango_context_set_matrix(self.to_glib_none().0, matrix.to_glib_none().0);
}
}
#[cfg(any(feature = "v1_44", feature = "dox"))]
pub fn set_round_glyph_positions(&self, round_positions: bool) {
unsafe {
pango_sys::pango_context_set_round_glyph_positions(
self.to_glib_none().0,
round_positions.to_glib(),
);
}
}
}
impl Default for Context {
fn default() -> Self {
Self::new()
}
}
impl fmt::Display for Context {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Context")
}
}