use crate::{prelude::*, subclass::prelude::*, Adjustment};
use glib::translate::*;
pub trait AdjustmentImpl: AdjustmentImplExt + ObjectImpl {
fn changed(&self) {
self.parent_changed()
}
fn value_changed(&self) {
self.parent_value_changed()
}
}
pub trait AdjustmentImplExt: ObjectSubclass {
fn parent_changed(&self);
fn parent_value_changed(&self);
}
impl<T: AdjustmentImpl> AdjustmentImplExt for T {
fn parent_changed(&self) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkAdjustmentClass;
if let Some(f) = (*parent_class).changed {
f(self.obj().unsafe_cast_ref::<Adjustment>().to_glib_none().0)
}
}
}
fn parent_value_changed(&self) {
unsafe {
let data = T::type_data();
let parent_class = data.as_ref().parent_class() as *mut ffi::GtkAdjustmentClass;
if let Some(f) = (*parent_class).value_changed {
f(self.obj().unsafe_cast_ref::<Adjustment>().to_glib_none().0)
}
}
}
}
unsafe impl<T: AdjustmentImpl> IsSubclassable<T> for Adjustment {
fn class_init(class: &mut glib::Class<Self>) {
Self::parent_class_init::<T>(class);
assert_initialized_main_thread!();
let klass = class.as_mut();
klass.changed = Some(adjustment_changed::<T>);
klass.value_changed = Some(adjustment_value_changed::<T>);
}
}
unsafe extern "C" fn adjustment_changed<T: AdjustmentImpl>(ptr: *mut ffi::GtkAdjustment) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.changed()
}
unsafe extern "C" fn adjustment_value_changed<T: AdjustmentImpl>(ptr: *mut ffi::GtkAdjustment) {
let instance = &*(ptr as *mut T::Instance);
let imp = instance.imp();
imp.value_changed()
}