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use glib::translate::*;
use glib::subclass::prelude::*;
use glib::Cast;
use super::bin::BinImpl;
use crate::DirectionType;
use crate::ScrollType;
use crate::ScrolledWindow;
pub trait ScrolledWindowImpl: ScrolledWindowImplExt + BinImpl {
fn move_focus_out(&self, window: &Self::Type, direction_type: DirectionType) {
self.parent_move_focus_out(window, direction_type)
}
fn scroll_child(&self, window: &Self::Type, scroll: ScrollType, horizontal: bool) -> bool {
self.parent_scroll_child(window, scroll, horizontal)
}
}
pub trait ScrolledWindowImplExt: ObjectSubclass {
fn parent_move_focus_out(&self, window: &Self::Type, direction_type: DirectionType);
fn parent_scroll_child(
&self,
window: &Self::Type,
scroll: ScrollType,
borizontal: bool,
) -> bool;
}
impl<T: ScrolledWindowImpl> ScrolledWindowImplExt for T {
fn parent_move_focus_out(&self, window: &Self::Type, direction_type: DirectionType) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkScrolledWindowClass;
if let Some(f) = (*parent_class).move_focus_out {
f(
window.unsafe_cast_ref::<ScrolledWindow>().to_glib_none().0,
direction_type.into_glib(),
)
}
}
}
fn parent_scroll_child(
&self,
window: &Self::Type,
scroll: ScrollType,
horizontal: bool,
) -> bool {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkScrolledWindowClass;
if let Some(f) = (*parent_class).scroll_child {
from_glib(f(
window.unsafe_cast_ref::<ScrolledWindow>().to_glib_none().0,
scroll.into_glib(),
horizontal.into_glib(),
))
} else {
false
}
}
}
}
unsafe impl<T: ScrolledWindowImpl> IsSubclassable<T> for ScrolledWindow {
fn class_init(class: &mut ::glib::Class<Self>) {
Self::parent_class_init::<T>(class);
let klass = class.as_mut();
klass.move_focus_out = Some(window_move_focus_out::<T>);
klass.scroll_child = Some(window_scroll_child::<T>);
}
}
unsafe extern "C" fn window_move_focus_out<T: ScrolledWindowImpl>(
ptr: *mut ffi::GtkScrolledWindow,
directiontypeptr: ffi::GtkDirectionType,
) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let wrap: Borrowed<ScrolledWindow> = from_glib_borrow(ptr);
let direction_type: DirectionType = from_glib(directiontypeptr);
imp.move_focus_out(wrap.unsafe_cast_ref(), direction_type)
}
unsafe extern "C" fn window_scroll_child<T: ScrolledWindowImpl>(
ptr: *mut ffi::GtkScrolledWindow,
scrollptr: ffi::GtkScrollType,
horizontalptr: glib::ffi::gboolean,
) -> glib::ffi::gboolean {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
let wrap: Borrowed<ScrolledWindow> = from_glib_borrow(ptr);
let scroll: ScrollType = from_glib(scrollptr);
let horizontal: bool = from_glib(horizontalptr);
imp.scroll_child(wrap.unsafe_cast_ref(), scroll, horizontal)
.into_glib()
}