// This file was generated by gir (https://github.com/gtk-rs/gir)
// from gir-files (https://github.com/gtk-rs/gir-files.git)
// DO NOT EDIT

#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use crate::Buffer;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use crate::Completion;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use crate::CompletionActivation;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use crate::CompletionProvider;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use crate::Language;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use crate::View;
use glib::object::Cast;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use glib::object::IsA;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use glib::object::ObjectType as ObjectType_;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use glib::signal::connect_raw;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib::StaticType;
use glib::ToValue;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use std::boxed::Box as Box_;
use std::fmt;
#[cfg(any(feature = "v5_0", feature = "dox"))]
#[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
use std::mem::transmute;

glib::wrapper! {
    pub struct CompletionContext(Object<ffi::GtkSourceCompletionContext, ffi::GtkSourceCompletionContextClass>) @implements gio::ListModel;

    match fn {
        get_type => || ffi::gtk_source_completion_context_get_type(),
    }
}

impl CompletionContext {
    /// Gets the mode for which the context was activated.
    ///
    /// Feature: `v5_0`
    ///
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_activation")]
    pub fn get_activation(&self) -> CompletionActivation {
        unsafe {
            from_glib(ffi::gtk_source_completion_context_get_activation(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the bounds for the completion, which is the beginning of the
    /// current word (taking break characters into account) to the current
    /// insertion cursor.
    ///
    /// If `begin` is non-`None`, it will be set to the start position of the
    /// current word being completed.
    ///
    /// If `end` is non-`None`, it will be set to the insertion cursor for the
    /// current word being completed.
    ///
    /// Feature: `v5_0`
    ///
    /// ## `begin`
    /// a `gtk::TextIter`
    /// ## `end`
    /// a `gtk::TextIter`
    ///
    /// # Returns
    ///
    /// `true` if the marks are still valid and `begin` or `end` was set.
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_bounds")]
    pub fn get_bounds(&self) -> Option<(gtk::TextIter, gtk::TextIter)> {
        unsafe {
            let mut begin = gtk::TextIter::uninitialized();
            let mut end = gtk::TextIter::uninitialized();
            let ret = from_glib(ffi::gtk_source_completion_context_get_bounds(
                self.to_glib_none().0,
                begin.to_glib_none_mut().0,
                end.to_glib_none_mut().0,
            ));
            if ret {
                Some((begin, end))
            } else {
                None
            }
        }
    }

    /// Gets the underlying buffer used by the context.
    ///
    /// This is a convenience function to get the buffer via the `Completion`
    /// property.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// a `gtk::TextBuffer` or `None`
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_buffer")]
    pub fn get_buffer(&self) -> Option<Buffer> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_context_get_buffer(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the "busy" property. This is set to `true` while the completion
    /// context is actively fetching proposals from registered
    /// `CompletionProvider`'s.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// `true` if the context is busy
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_busy")]
    pub fn get_busy(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_source_completion_context_get_busy(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the `Completion` that created the context.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// an `Completion` or `None`
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_completion")]
    pub fn get_completion(&self) -> Option<Completion> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_context_get_completion(
                self.to_glib_none().0,
            ))
        }
    }

    /// Checks if any proposals have been provided to the context.
    ///
    /// Out of convenience, this function will return `true` if `self` is `None`.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// `true` if there are no proposals in the context
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_empty")]
    pub fn get_empty(&self) -> bool {
        unsafe {
            from_glib(ffi::gtk_source_completion_context_get_empty(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the language of the underlying buffer, if any.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// a `Language` or `None`
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_language")]
    pub fn get_language(&self) -> Option<Language> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_context_get_language(
                self.to_glib_none().0,
            ))
        }
    }

    #[doc(alias = "gtk_source_completion_context_get_start_iter")]
    pub fn get_start_iter(&self, iter: &mut gtk::TextIter) {
        unsafe {
            ffi::gtk_source_completion_context_get_start_iter(
                self.to_glib_none().0,
                iter.to_glib_none_mut().0,
            );
        }
    }

    /// Gets the text view for the context.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// a `View` or `None`
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_view")]
    pub fn get_view(&self) -> Option<View> {
        unsafe {
            from_glib_none(ffi::gtk_source_completion_context_get_view(
                self.to_glib_none().0,
            ))
        }
    }

    /// Gets the word that is being completed up to the position of the insert mark.
    ///
    /// Feature: `v5_0`
    ///
    ///
    /// # Returns
    ///
    /// a string containing the current word
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_get_word")]
    pub fn get_word(&self) -> Option<glib::GString> {
        unsafe {
            from_glib_full(ffi::gtk_source_completion_context_get_word(
                self.to_glib_none().0,
            ))
        }
    }

    /// This function allows providers to update their results for a context
    /// outside of a call to `CompletionProvider::populate_async`. This
    /// can be used to immediately return results for a provider while it does
    /// additional asynchronous work. Doing so will allow the completions to
    /// update while the operation is in progress.
    ///
    /// Feature: `v5_0`
    ///
    /// ## `provider`
    /// an `CompletionProvider`
    /// ## `results`
    /// a `gio::ListModel` or `None`
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    #[doc(alias = "gtk_source_completion_context_set_proposals_for_provider")]
    pub fn set_proposals_for_provider<P: IsA<CompletionProvider>, Q: IsA<gio::ListModel>>(
        &self,
        provider: &P,
        results: Option<&Q>,
    ) {
        unsafe {
            ffi::gtk_source_completion_context_set_proposals_for_provider(
                self.to_glib_none().0,
                provider.as_ref().to_glib_none().0,
                results.map(|p| p.as_ref()).to_glib_none().0,
            );
        }
    }

    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    pub fn connect_property_busy_notify<F: Fn(&CompletionContext) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_busy_trampoline<F: Fn(&CompletionContext) + 'static>(
            this: *mut ffi::GtkSourceCompletionContext,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::busy\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_busy_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }

    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    pub fn connect_property_empty_notify<F: Fn(&CompletionContext) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn notify_empty_trampoline<F: Fn(&CompletionContext) + 'static>(
            this: *mut ffi::GtkSourceCompletionContext,
            _param_spec: glib::ffi::gpointer,
            f: glib::ffi::gpointer,
        ) {
            let f: &F = &*(f as *const F);
            f(&from_glib_borrow(this))
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"notify::empty\0".as_ptr() as *const _,
                Some(transmute::<_, unsafe extern "C" fn()>(
                    notify_empty_trampoline::<F> as *const (),
                )),
                Box_::into_raw(f),
            )
        }
    }
}

#[derive(Clone, Default)]
pub struct CompletionContextBuilder {
    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    completion: Option<Completion>,
}

impl CompletionContextBuilder {
    pub fn new() -> Self {
        Self::default()
    }

    pub fn build(self) -> CompletionContext {
        let mut properties: Vec<(&str, &dyn ToValue)> = vec![];
        #[cfg(any(feature = "v5_0", feature = "dox"))]
        if let Some(ref completion) = self.completion {
            properties.push(("completion", completion));
        }
        let ret = glib::Object::new::<CompletionContext>(&properties).expect("object new");
        ret
    }

    #[cfg(any(feature = "v5_0", feature = "dox"))]
    #[cfg_attr(feature = "dox", doc(cfg(feature = "v5_0")))]
    pub fn completion(mut self, completion: &Completion) -> Self {
        self.completion = Some(completion.clone());
        self
    }
}

impl fmt::Display for CompletionContext {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("CompletionContext")
    }
}