use crate::{PageSetup, PrintContext};
use glib::{
prelude::*,
signal::{connect_raw, SignalHandlerId},
translate::*,
};
use std::{boxed::Box as Box_, fmt, mem::transmute};
glib::wrapper! {
#[doc(alias = "GtkPrintOperationPreview")]
pub struct PrintOperationPreview(Interface<ffi::GtkPrintOperationPreview, ffi::GtkPrintOperationPreviewIface>);
match fn {
type_ => || ffi::gtk_print_operation_preview_get_type(),
}
}
impl PrintOperationPreview {
pub const NONE: Option<&'static PrintOperationPreview> = None;
}
pub trait PrintOperationPreviewExt: 'static {
#[doc(alias = "gtk_print_operation_preview_end_preview")]
fn end_preview(&self);
#[doc(alias = "gtk_print_operation_preview_is_selected")]
fn is_selected(&self, page_nr: i32) -> bool;
#[doc(alias = "gtk_print_operation_preview_render_page")]
fn render_page(&self, page_nr: i32);
#[doc(alias = "got-page-size")]
fn connect_got_page_size<F: Fn(&Self, &PrintContext, &PageSetup) + 'static>(
&self,
f: F,
) -> SignalHandlerId;
#[doc(alias = "ready")]
fn connect_ready<F: Fn(&Self, &PrintContext) + 'static>(&self, f: F) -> SignalHandlerId;
}
impl<O: IsA<PrintOperationPreview>> PrintOperationPreviewExt for O {
fn end_preview(&self) {
unsafe {
ffi::gtk_print_operation_preview_end_preview(self.as_ref().to_glib_none().0);
}
}
fn is_selected(&self, page_nr: i32) -> bool {
unsafe {
from_glib(ffi::gtk_print_operation_preview_is_selected(
self.as_ref().to_glib_none().0,
page_nr,
))
}
}
fn render_page(&self, page_nr: i32) {
unsafe {
ffi::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: IsA<PrintOperationPreview>,
F: Fn(&P, &PrintContext, &PageSetup) + 'static,
>(
this: *mut ffi::GtkPrintOperationPreview,
context: *mut ffi::GtkPrintContext,
page_setup: *mut ffi::GtkPageSetup,
f: glib::ffi::gpointer,
) {
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: IsA<PrintOperationPreview>,
F: Fn(&P, &PrintContext) + 'static,
>(
this: *mut ffi::GtkPrintOperationPreview,
context: *mut ffi::GtkPrintContext,
f: glib::ffi::gpointer,
) {
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 {
f.write_str("PrintOperationPreview")
}
}