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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_ref(),
&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::<_, unsafe extern "C" fn()>(
got_page_size_trampoline::<Self, F> as *const (),
)),
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_ref(),
&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::<_, unsafe extern "C" fn()>(
ready_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
}
impl fmt::Display for PrintOperationPreview {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "PrintOperationPreview")
}
}