gtk 0.8.1

Rust bindings for the GTK+ 3 library
Documentation 
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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 glib::object::Cast;
use glib::object::IsA;
use glib::signal::connect_raw;
use glib::signal::SignalHandlerId;
use glib::translate::*;
use glib_sys;
use gtk_sys;
use std::boxed::Box as Box_;
use std::fmt;
use std::mem::transmute;
use PageSetup;
use PrintContext;

glib_wrapper! {
    pub struct PrintOperationPreview(Interface<gtk_sys::GtkPrintOperationPreview>);

    match fn {
        get_type => || gtk_sys::gtk_print_operation_preview_get_type(),
    }
}

pub const NONE_PRINT_OPERATION_PREVIEW: Option<&PrintOperationPreview> = None;

pub trait PrintOperationPreviewExt: 'static {
    fn end_preview(&self);

    fn is_selected(&self, page_nr: i32) -> bool;

    fn render_page(&self, page_nr: i32);

    fn connect_got_page_size<F: Fn(&Self, &PrintContext, &PageSetup) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId;

    fn connect_ready<F: Fn(&Self, &PrintContext) + 'static>(&self, f: F) -> SignalHandlerId;
}

impl<O: IsA<PrintOperationPreview>> PrintOperationPreviewExt for O {
    fn end_preview(&self) {
        unsafe {
            gtk_sys::gtk_print_operation_preview_end_preview(self.as_ref().to_glib_none().0);
        }
    }

    fn is_selected(&self, page_nr: i32) -> bool {
        unsafe {
            from_glib(gtk_sys::gtk_print_operation_preview_is_selected(
                self.as_ref().to_glib_none().0,
                page_nr,
            ))
        }
    }

    fn render_page(&self, page_nr: i32) {
        unsafe {
            gtk_sys::gtk_print_operation_preview_render_page(
                self.as_ref().to_glib_none().0,
                page_nr,
            );
        }
    }

    fn connect_got_page_size<F: Fn(&Self, &PrintContext, &PageSetup) + 'static>(
        &self,
        f: F,
    ) -> SignalHandlerId {
        unsafe extern "C" fn got_page_size_trampoline<
            P,
            F: Fn(&P, &PrintContext, &PageSetup) + 'static,
        >(
            this: *mut gtk_sys::GtkPrintOperationPreview,
            context: *mut gtk_sys::GtkPrintContext,
            page_setup: *mut gtk_sys::GtkPageSetup,
            f: glib_sys::gpointer,
        ) where
            P: IsA<PrintOperationPreview>,
        {
            let f: &F = &*(f as *const F);
            f(
                &PrintOperationPreview::from_glib_borrow(this).unsafe_cast(),
                &from_glib_borrow(context),
                &from_glib_borrow(page_setup),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"got-page-size\0".as_ptr() as *const _,
                Some(transmute(got_page_size_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }

    fn connect_ready<F: Fn(&Self, &PrintContext) + 'static>(&self, f: F) -> SignalHandlerId {
        unsafe extern "C" fn ready_trampoline<P, F: Fn(&P, &PrintContext) + 'static>(
            this: *mut gtk_sys::GtkPrintOperationPreview,
            context: *mut gtk_sys::GtkPrintContext,
            f: glib_sys::gpointer,
        ) where
            P: IsA<PrintOperationPreview>,
        {
            let f: &F = &*(f as *const F);
            f(
                &PrintOperationPreview::from_glib_borrow(this).unsafe_cast(),
                &from_glib_borrow(context),
            )
        }
        unsafe {
            let f: Box_<F> = Box_::new(f);
            connect_raw(
                self.as_ptr() as *mut _,
                b"ready\0".as_ptr() as *const _,
                Some(transmute(ready_trampoline::<Self, F> as usize)),
                Box_::into_raw(f),
            )
        }
    }
}

impl fmt::Display for PrintOperationPreview {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(f, "PrintOperationPreview")
    }
}