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// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files)
// DO NOT EDIT
use crate::TabAlign;
use glib::translate::*;
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
use std::fmt;
use std::mem;
glib::wrapper! {
/// A [`TabArray`][crate::TabArray] contains an array of tab stops.
///
/// [`TabArray`][crate::TabArray] can be used to set tab stops in a [`Layout`][crate::Layout].
/// Each tab stop has an alignment, a position, and optionally
/// a character to use as decimal point.
#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct TabArray(Boxed<ffi::PangoTabArray>);
match fn {
copy => |ptr| ffi::pango_tab_array_copy(mut_override(ptr)),
free => |ptr| ffi::pango_tab_array_free(ptr),
type_ => || ffi::pango_tab_array_get_type(),
}
}
impl TabArray {
/// Creates an array of @initial_size tab stops.
///
/// Tab stops are specified in pixel units if @positions_in_pixels is [`true`],
/// otherwise in Pango units. All stops are initially at position 0.
/// ## `initial_size`
/// Initial number of tab stops to allocate, can be 0
/// ## `positions_in_pixels`
/// whether positions are in pixel units
///
/// # Returns
///
/// the newly allocated [`TabArray`][crate::TabArray], which should
/// be freed with `Pango::TabArray::free()`.
#[doc(alias = "pango_tab_array_new")]
pub fn new(initial_size: i32, positions_in_pixels: bool) -> TabArray {
unsafe {
from_glib_full(ffi::pango_tab_array_new(
initial_size,
positions_in_pixels.into_glib(),
))
}
}
//#[doc(alias = "pango_tab_array_new_with_positions")]
//#[doc(alias = "new_with_positions")]
//pub fn with_positions(size: i32, positions_in_pixels: bool, first_alignment: TabAlign, first_position: i32, : /*Unknown conversion*//*Unimplemented*/Basic: VarArgs) -> TabArray {
// unsafe { TODO: call ffi:pango_tab_array_new_with_positions() }
//}
/// Gets the Unicode character to use as decimal point.
///
/// This is only relevant for tabs with [`TabAlign::Decimal`][crate::TabAlign::Decimal] alignment,
/// which align content at the first occurrence of the decimal point
/// character.
///
/// The default value of 0 means that Pango will use the
/// decimal point according to the current locale.
/// ## `tab_index`
/// the index of a tab stop
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
#[doc(alias = "pango_tab_array_get_decimal_point")]
#[doc(alias = "get_decimal_point")]
pub fn decimal_point(&self, tab_index: i32) -> char {
unsafe {
std::convert::TryFrom::try_from(ffi::pango_tab_array_get_decimal_point(
mut_override(self.to_glib_none().0),
tab_index,
))
.expect("conversion from an invalid Unicode value attempted")
}
}
/// Returns [`true`] if the tab positions are in pixels,
/// [`false`] if they are in Pango units.
///
/// # Returns
///
/// whether positions are in pixels.
#[doc(alias = "pango_tab_array_get_positions_in_pixels")]
#[doc(alias = "get_positions_in_pixels")]
pub fn is_positions_in_pixels(&self) -> bool {
unsafe {
from_glib(ffi::pango_tab_array_get_positions_in_pixels(mut_override(
self.to_glib_none().0,
)))
}
}
/// Gets the number of tab stops in @self.
///
/// # Returns
///
/// the number of tab stops in the array.
#[doc(alias = "pango_tab_array_get_size")]
#[doc(alias = "get_size")]
pub fn size(&self) -> i32 {
unsafe { ffi::pango_tab_array_get_size(mut_override(self.to_glib_none().0)) }
}
/// Gets the alignment and position of a tab stop.
/// ## `tab_index`
/// tab stop index
///
/// # Returns
///
///
/// ## `alignment`
/// location to store alignment
///
/// ## `location`
/// location to store tab position
#[doc(alias = "pango_tab_array_get_tab")]
#[doc(alias = "get_tab")]
pub fn tab(&self, tab_index: i32) -> (TabAlign, i32) {
unsafe {
let mut alignment = mem::MaybeUninit::uninit();
let mut location = mem::MaybeUninit::uninit();
ffi::pango_tab_array_get_tab(
mut_override(self.to_glib_none().0),
tab_index,
alignment.as_mut_ptr(),
location.as_mut_ptr(),
);
(from_glib(alignment.assume_init()), location.assume_init())
}
}
/// Resizes a tab array.
///
/// You must subsequently initialize any tabs
/// that were added as a result of growing the array.
/// ## `new_size`
/// new size of the array
#[doc(alias = "pango_tab_array_resize")]
pub fn resize(&mut self, new_size: i32) {
unsafe {
ffi::pango_tab_array_resize(self.to_glib_none_mut().0, new_size);
}
}
/// Sets the Unicode character to use as decimal point.
///
/// This is only relevant for tabs with [`TabAlign::Decimal`][crate::TabAlign::Decimal] alignment,
/// which align content at the first occurrence of the decimal point
/// character.
///
/// By default, Pango uses the decimal point according
/// to the current locale.
/// ## `tab_index`
/// the index of a tab stop
/// ## `decimal_point`
/// the decimal point to use
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
#[doc(alias = "pango_tab_array_set_decimal_point")]
pub fn set_decimal_point(&mut self, tab_index: i32, decimal_point: char) {
unsafe {
ffi::pango_tab_array_set_decimal_point(
self.to_glib_none_mut().0,
tab_index,
decimal_point.into_glib(),
);
}
}
/// Sets whether positions in this array are specified in
/// pixels.
/// ## `positions_in_pixels`
/// whether positions are in pixels
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
#[doc(alias = "pango_tab_array_set_positions_in_pixels")]
pub fn set_positions_in_pixels(&mut self, positions_in_pixels: bool) {
unsafe {
ffi::pango_tab_array_set_positions_in_pixels(
self.to_glib_none_mut().0,
positions_in_pixels.into_glib(),
);
}
}
/// Sets the alignment and location of a tab stop.
/// ## `tab_index`
/// the index of a tab stop
/// ## `alignment`
/// tab alignment
/// ## `location`
/// tab location in Pango units
#[doc(alias = "pango_tab_array_set_tab")]
pub fn set_tab(&mut self, tab_index: i32, alignment: TabAlign, location: i32) {
unsafe {
ffi::pango_tab_array_set_tab(
self.to_glib_none_mut().0,
tab_index,
alignment.into_glib(),
location,
);
}
}
/// Utility function to ensure that the tab stops are in increasing order.
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
#[doc(alias = "pango_tab_array_sort")]
pub fn sort(&mut self) {
unsafe {
ffi::pango_tab_array_sort(self.to_glib_none_mut().0);
}
}
/// Serializes a [`TabArray`][crate::TabArray] to a string.
///
/// No guarantees are made about the format of the string,
/// it may change between Pango versions.
///
/// The intended use of this function is testing and
/// debugging. The format is not meant as a permanent
/// storage format.
///
/// # Returns
///
/// a newly allocated string
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
#[doc(alias = "pango_tab_array_to_string")]
#[doc(alias = "to_string")]
pub fn to_str(&self) -> glib::GString {
unsafe {
from_glib_full(ffi::pango_tab_array_to_string(mut_override(
self.to_glib_none().0,
)))
}
}
/// Deserializes a [`TabArray`][crate::TabArray] from a string.
///
/// This is the counterpart to [`to_str()`][Self::to_str()].
/// See that functions for details about the format.
/// ## `text`
/// a string
///
/// # Returns
///
/// a new [`TabArray`][crate::TabArray]
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
#[doc(alias = "pango_tab_array_from_string")]
pub fn from_string(text: &str) -> Result<TabArray, glib::BoolError> {
unsafe {
Option::<_>::from_glib_full(ffi::pango_tab_array_from_string(text.to_glib_none().0))
.ok_or_else(|| glib::bool_error!("Can't parse a TabArray"))
}
}
}
#[cfg(feature = "v1_50")]
#[cfg_attr(docsrs, doc(cfg(feature = "v1_50")))]
impl fmt::Display for TabArray {
#[inline]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(&self.to_str())
}
}
unsafe impl Send for TabArray {}
unsafe impl Sync for TabArray {}