321 lines
9.4 KiB
Rust
321 lines
9.4 KiB
Rust
/* generated by rust_qt_binding_generator */
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use libc::{c_char, c_ushort, c_int};
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use std::slice;
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use std::char::decode_utf16;
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use std::sync::Arc;
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use std::sync::atomic::{AtomicPtr, Ordering};
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use std::ptr::null;
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use implementation::*;
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#[repr(C)]
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pub struct COption<T> {
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data: T,
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some: bool,
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}
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impl<T> COption<T> {
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#![allow(dead_code)]
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fn into(self) -> Option<T> {
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if self.some {
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Some(self.data)
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} else {
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None
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}
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}
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}
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impl<T> From<Option<T>> for COption<T>
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where
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T: Default,
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{
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fn from(t: Option<T>) -> COption<T> {
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if let Some(v) = t {
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COption {
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data: v,
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some: true,
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}
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} else {
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COption {
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data: T::default(),
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some: false,
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}
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}
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}
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}
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pub enum QString {}
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fn set_string_from_utf16(s: &mut String, str: *const c_ushort, len: c_int) {
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let utf16 = unsafe { slice::from_raw_parts(str, to_usize(len)) };
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let characters = decode_utf16(utf16.iter().cloned())
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.map(|r| r.unwrap());
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s.clear();
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s.extend(characters);
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}
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#[repr(C)]
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#[derive(PartialEq, Eq, Debug)]
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pub enum SortOrder {
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Ascending = 0,
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Descending = 1,
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}
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#[repr(C)]
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pub struct QModelIndex {
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row: c_int,
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internal_id: usize,
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}
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fn to_usize(n: c_int) -> usize {
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if n < 0 {
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panic!("Cannot cast {} to usize", n);
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}
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n as usize
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}
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fn to_c_int(n: usize) -> c_int {
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if n > c_int::max_value() as usize {
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panic!("Cannot cast {} to c_int", n);
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}
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n as c_int
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}
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pub struct PersonsQObject {}
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pub struct PersonsEmitter {
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qobject: Arc<AtomicPtr<PersonsQObject>>,
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new_data_ready: fn(*mut PersonsQObject, index: COption<usize>),
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}
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unsafe impl Send for PersonsEmitter {}
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impl PersonsEmitter {
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/// Clone the emitter
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///
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/// The emitter can only be cloned when it is mutable. The emitter calls
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/// into C++ code which may call into Rust again. If emmitting is possible
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/// from immutable structures, that might lead to access to a mutable
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/// reference. That is undefined behaviour and forbidden.
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pub fn clone(&mut self) -> PersonsEmitter {
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PersonsEmitter {
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qobject: self.qobject.clone(),
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new_data_ready: self.new_data_ready,
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}
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}
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fn clear(&self) {
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let n: *const PersonsQObject = null();
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self.qobject.store(n as *mut PersonsQObject, Ordering::SeqCst);
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}
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pub fn new_data_ready(&mut self, item: Option<usize>) {
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let ptr = self.qobject.load(Ordering::SeqCst);
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if !ptr.is_null() {
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(self.new_data_ready)(ptr, item.into());
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}
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}
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}
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#[derive(Clone)]
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pub struct PersonsTree {
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qobject: *mut PersonsQObject,
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layout_about_to_be_changed: fn(*mut PersonsQObject),
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layout_changed: fn(*mut PersonsQObject),
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data_changed: fn(*mut PersonsQObject, usize, usize),
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begin_reset_model: fn(*mut PersonsQObject),
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end_reset_model: fn(*mut PersonsQObject),
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begin_insert_rows: fn(*mut PersonsQObject, index: COption<usize>, usize, usize),
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end_insert_rows: fn(*mut PersonsQObject),
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begin_move_rows: fn(*mut PersonsQObject, index: COption<usize>, usize, usize, dest: COption<usize>, usize),
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end_move_rows: fn(*mut PersonsQObject),
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begin_remove_rows: fn(*mut PersonsQObject, index: COption<usize>, usize, usize),
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end_remove_rows: fn(*mut PersonsQObject),
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}
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impl PersonsTree {
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pub fn layout_about_to_be_changed(&mut self) {
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(self.layout_about_to_be_changed)(self.qobject);
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}
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pub fn layout_changed(&mut self) {
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(self.layout_changed)(self.qobject);
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}
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pub fn data_changed(&mut self, first: usize, last: usize) {
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(self.data_changed)(self.qobject, first, last);
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}
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pub fn begin_reset_model(&mut self) {
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(self.begin_reset_model)(self.qobject);
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}
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pub fn end_reset_model(&mut self) {
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(self.end_reset_model)(self.qobject);
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}
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pub fn begin_insert_rows(&mut self, index: Option<usize>, first: usize, last: usize) {
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(self.begin_insert_rows)(self.qobject, index.into(), first, last);
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}
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pub fn end_insert_rows(&mut self) {
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(self.end_insert_rows)(self.qobject);
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}
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pub fn begin_move_rows(&mut self, index: Option<usize>, first: usize, last: usize, dest: Option<usize>, destination: usize) {
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(self.begin_move_rows)(self.qobject, index.into(), first, last, dest.into(), destination);
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}
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pub fn end_move_rows(&mut self) {
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(self.end_move_rows)(self.qobject);
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}
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pub fn begin_remove_rows(&mut self, index: Option<usize>, first: usize, last: usize) {
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(self.begin_remove_rows)(self.qobject, index.into(), first, last);
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}
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pub fn end_remove_rows(&mut self) {
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(self.end_remove_rows)(self.qobject);
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}
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}
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pub trait PersonsTrait {
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fn new(emit: PersonsEmitter, model: PersonsTree) -> Self;
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fn emit(&mut self) -> &mut PersonsEmitter;
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fn row_count(&self, _: Option<usize>) -> usize;
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fn can_fetch_more(&self, _: Option<usize>) -> bool {
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false
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}
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fn fetch_more(&mut self, _: Option<usize>) {}
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fn sort(&mut self, _: u8, _: SortOrder) {}
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fn check_row(&self, index: usize, row: usize) -> Option<usize>;
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fn index(&self, item: Option<usize>, row: usize) -> usize;
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fn parent(&self, index: usize) -> Option<usize>;
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fn row(&self, index: usize) -> usize;
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fn user_name(&self, index: usize) -> &str;
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fn set_user_name(&mut self, index: usize, _: String) -> bool;
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}
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#[no_mangle]
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pub extern "C" fn persons_new(
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persons: *mut PersonsQObject,
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persons_new_data_ready: fn(*mut PersonsQObject, index: COption<usize>),
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persons_layout_about_to_be_changed: fn(*mut PersonsQObject),
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persons_layout_changed: fn(*mut PersonsQObject),
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persons_data_changed: fn(*mut PersonsQObject, usize, usize),
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persons_begin_reset_model: fn(*mut PersonsQObject),
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persons_end_reset_model: fn(*mut PersonsQObject),
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persons_begin_insert_rows: fn(*mut PersonsQObject, index: COption<usize>, usize, usize),
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persons_end_insert_rows: fn(*mut PersonsQObject),
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persons_begin_move_rows: fn(*mut PersonsQObject, index: COption<usize>, usize, usize, index: COption<usize>, usize),
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persons_end_move_rows: fn(*mut PersonsQObject),
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persons_begin_remove_rows: fn(*mut PersonsQObject, index: COption<usize>, usize, usize),
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persons_end_remove_rows: fn(*mut PersonsQObject),
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) -> *mut Persons {
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let persons_emit = PersonsEmitter {
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qobject: Arc::new(AtomicPtr::new(persons)),
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new_data_ready: persons_new_data_ready,
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};
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let model = PersonsTree {
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qobject: persons,
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layout_about_to_be_changed: persons_layout_about_to_be_changed,
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layout_changed: persons_layout_changed,
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data_changed: persons_data_changed,
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begin_reset_model: persons_begin_reset_model,
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end_reset_model: persons_end_reset_model,
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begin_insert_rows: persons_begin_insert_rows,
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end_insert_rows: persons_end_insert_rows,
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begin_move_rows: persons_begin_move_rows,
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end_move_rows: persons_end_move_rows,
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begin_remove_rows: persons_begin_remove_rows,
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end_remove_rows: persons_end_remove_rows,
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};
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let d_persons = Persons::new(persons_emit, model);
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Box::into_raw(Box::new(d_persons))
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_free(ptr: *mut Persons) {
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Box::from_raw(ptr).emit().clear();
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_row_count(
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ptr: *const Persons,
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index: COption<usize>,
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) -> c_int {
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to_c_int((&*ptr).row_count(index.into()))
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_can_fetch_more(
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ptr: *const Persons,
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index: COption<usize>,
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) -> bool {
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(&*ptr).can_fetch_more(index.into())
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_fetch_more(ptr: *mut Persons, index: COption<usize>) {
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(&mut *ptr).fetch_more(index.into())
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_sort(
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ptr: *mut Persons,
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column: u8,
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order: SortOrder
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) {
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(&mut *ptr).sort(column, order)
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_check_row(
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ptr: *const Persons,
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index: usize,
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row: c_int,
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) -> COption<usize> {
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(&*ptr).check_row(index.into(), to_usize(row)).into()
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_index(
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ptr: *const Persons,
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index: COption<usize>,
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row: c_int,
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) -> usize {
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(&*ptr).index(index.into(), to_usize(row))
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_parent(ptr: *const Persons, index: usize) -> QModelIndex {
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if let Some(parent) = (&*ptr).parent(index) {
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QModelIndex {
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row: to_c_int((&*ptr).row(parent)),
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internal_id: parent,
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}
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} else {
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QModelIndex {
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row: -1,
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internal_id: 0,
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}
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}
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_row(ptr: *const Persons, index: usize) -> c_int {
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to_c_int((&*ptr).row(index))
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_data_user_name(
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ptr: *const Persons, index: usize,
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d: *mut QString,
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set: fn(*mut QString, *const c_char, len: c_int),
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) {
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let o = &*ptr;
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let data = o.user_name(index);
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let s: *const c_char = data.as_ptr() as (*const c_char);
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set(d, s, to_c_int(data.len()));
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}
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#[no_mangle]
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pub unsafe extern "C" fn persons_set_data_user_name(
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ptr: *mut Persons, index: usize,
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s: *const c_ushort, len: c_int,
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) -> bool {
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let o = &mut *ptr;
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let mut v = String::new();
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set_string_from_utf16(&mut v, s, len);
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o.set_user_name(index, v)
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}
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