use gdk::Rectangle;
pub use glib::signal::Inhibit;
use glib::signal::SignalHandlerId;
use crate::{ScrollType, Widget};
pub trait EditableSignals: 'static {
fn connect_changed<F>(&self, changed_func: F) -> SignalHandlerId
where
F: Fn(&Self) + 'static;
fn connect_delete_text<F>(&self, delete_text_func: F) -> SignalHandlerId
where
F: Fn(&Self, i32, i32) + 'static;
fn connect_insert_text<F>(&self, insert_text_func: F) -> SignalHandlerId
where
F: Fn(&Self, &str, &mut i32) + 'static;
}
mod editable {
use crate::Editable;
use ffi::GtkEditable;
use glib::object::Cast;
use glib::signal::{connect_raw, SignalHandlerId};
use glib::translate::*;
use glib::IsA;
use libc::{c_char, c_int, c_uchar};
use std::ffi::CStr;
use std::mem::transmute;
use std::slice;
use std::str;
impl<T: IsA<Editable>> super::EditableSignals for T {
fn connect_changed<F>(&self, changed_func: F) -> SignalHandlerId
where
F: Fn(&Self) + 'static,
{
unsafe {
let f: Box<F> = Box::new(changed_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"changed\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn connect_delete_text<F>(&self, delete_text_func: F) -> SignalHandlerId
where
F: Fn(&Self, i32, i32) + 'static,
{
unsafe {
let f: Box<F> = Box::new(delete_text_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"delete-text\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
delete_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn connect_insert_text<F>(&self, insert_text_func: F) -> SignalHandlerId
where
F: Fn(&Self, &str, &mut i32) + 'static,
{
unsafe {
let f: Box<F> = Box::new(insert_text_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"insert-text\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
insert_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
}
unsafe extern "C" fn trampoline<T, F: Fn(&T) + 'static>(this: *mut GtkEditable, f: &F)
where
T: IsA<Editable>,
{
f(Editable::from_glib_borrow(this).unsafe_cast_ref());
}
unsafe extern "C" fn delete_trampoline<T, F: Fn(&T, i32, i32) + 'static>(
this: *mut GtkEditable,
start_pos: c_int,
end_pos: c_int,
f: &F,
) where
T: IsA<Editable>,
{
f(
Editable::from_glib_borrow(this).unsafe_cast_ref(),
start_pos,
end_pos,
);
}
unsafe extern "C" fn insert_trampoline<T, F: Fn(&T, &str, &mut i32) + 'static>(
this: *mut GtkEditable,
new_text: *mut c_char,
new_text_length: c_int,
position: *mut c_int,
f: &F,
) where
T: IsA<Editable>,
{
let buf = if new_text_length != -1 {
slice::from_raw_parts(new_text as *mut c_uchar, new_text_length as usize)
} else {
CStr::from_ptr(new_text).to_bytes()
};
let string = str::from_utf8(buf).unwrap();
f(
Editable::from_glib_borrow(this).unsafe_cast_ref(),
string,
&mut *position,
);
}
}
pub trait SpinButtonSignals: 'static {
fn connect_change_value<F>(&self, change_value_func: F) -> SignalHandlerId
where
F: Fn(&Self, ScrollType) + 'static;
fn connect_input<F>(&self, input_func: F) -> SignalHandlerId
where
F: Fn(&Self) -> Option<Result<f64, ()>> + 'static;
fn connect_output<F>(&self, output_func: F) -> SignalHandlerId
where
F: Fn(&Self) -> Inhibit + 'static;
fn connect_value_changed<F>(&self, value_changed_func: F) -> SignalHandlerId
where
F: Fn(&Self) + 'static;
fn connect_wrapped<F>(&self, wrapped_func: F) -> SignalHandlerId
where
F: Fn(&Self) + 'static;
}
mod spin_button {
use crate::Inhibit;
use crate::ScrollType;
use crate::SpinButton;
use ffi::{GtkScrollType, GtkSpinButton, GTK_INPUT_ERROR};
use glib::ffi::gboolean;
use glib::ffi::{GFALSE, GTRUE};
use glib::object::Cast;
use glib::signal::{connect_raw, SignalHandlerId};
use glib::translate::*;
use glib::IsA;
use libc::{c_double, c_int};
use std::boxed::Box as Box_;
use std::mem::transmute;
impl<T: IsA<SpinButton>> crate::SpinButtonSignals for T {
fn connect_change_value<F>(&self, change_value_func: F) -> SignalHandlerId
where
F: Fn(&Self, ScrollType) + 'static,
{
unsafe {
let f: Box<F> = Box::new(change_value_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"change_value\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
change_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn connect_input<F>(&self, f: F) -> SignalHandlerId
where
F: Fn(&Self) -> Option<Result<f64, ()>> + 'static,
{
unsafe {
let f: Box_<F> = Box_::new(f);
connect_raw(
self.to_glib_none().0 as *mut _,
b"input\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
input_trampoline::<Self, F> as *const (),
)),
Box_::into_raw(f),
)
}
}
fn connect_output<F>(&self, output_func: F) -> SignalHandlerId
where
F: Fn(&Self) -> Inhibit + 'static,
{
unsafe {
let f: Box<F> = Box::new(output_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"output\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
output_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn connect_value_changed<F>(&self, value_changed_func: F) -> SignalHandlerId
where
F: Fn(&Self) + 'static,
{
unsafe {
let f: Box<F> = Box::new(value_changed_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"value-changed\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
fn connect_wrapped<F>(&self, wrapped_func: F) -> SignalHandlerId
where
F: Fn(&Self) + 'static,
{
unsafe {
let f: Box<F> = Box::new(wrapped_func);
connect_raw(
self.to_glib_none().0 as *mut _,
b"wrapped\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
}
unsafe extern "C" fn change_trampoline<T, F: Fn(&T, ScrollType) + 'static>(
this: *mut GtkSpinButton,
scroll: GtkScrollType,
f: &F,
) where
T: IsA<SpinButton>,
{
f(
SpinButton::from_glib_borrow(this).unsafe_cast_ref(),
from_glib(scroll),
)
}
unsafe extern "C" fn input_trampoline<T, F: Fn(&T) -> Option<Result<f64, ()>> + 'static>(
this: *mut GtkSpinButton,
new_value: *mut c_double,
f: &F,
) -> c_int
where
T: IsA<SpinButton>,
{
match f(SpinButton::from_glib_borrow(this).unsafe_cast_ref()) {
Some(Ok(v)) => {
*new_value = v;
GTRUE
}
Some(Err(_)) => GTK_INPUT_ERROR,
None => GFALSE,
}
}
unsafe extern "C" fn output_trampoline<T, F: Fn(&T) -> Inhibit + 'static>(
this: *mut GtkSpinButton,
f: &F,
) -> gboolean
where
T: IsA<SpinButton>,
{
f(SpinButton::from_glib_borrow(this).unsafe_cast_ref()).into_glib()
}
unsafe extern "C" fn trampoline<T, F: Fn(&T) + 'static>(this: *mut GtkSpinButton, f: &F)
where
T: IsA<SpinButton>,
{
f(SpinButton::from_glib_borrow(this).unsafe_cast_ref())
}
}
pub trait OverlaySignals: 'static {
fn connect_get_child_position<F>(&self, f: F) -> SignalHandlerId
where
F: Fn(&Self, &Widget) -> Option<Rectangle> + 'static;
}
mod overlay {
use crate::Overlay;
use crate::Widget;
use ffi::{GtkOverlay, GtkWidget};
use gdk::ffi::GdkRectangle;
use gdk::Rectangle;
use glib::ffi::{gboolean, gpointer};
use glib::object::Cast;
use glib::signal::{connect_raw, SignalHandlerId};
use glib::translate::*;
use glib::IsA;
use std::mem::transmute;
use std::ptr;
impl<O: IsA<Overlay>> crate::OverlaySignals for O {
fn connect_get_child_position<F>(&self, f: F) -> SignalHandlerId
where
F: Fn(&Self, &Widget) -> Option<Rectangle> + 'static,
{
unsafe {
let f: Box<F> = Box::new(f);
connect_raw(
self.to_glib_none().0 as *mut _,
b"get-child-position\0".as_ptr() as *mut _,
Some(transmute::<_, unsafe extern "C" fn()>(
child_position_trampoline::<Self, F> as *const (),
)),
Box::into_raw(f),
)
}
}
}
#[doc(alias = "get_child_position_trampoline")]
unsafe extern "C" fn child_position_trampoline<
T,
F: Fn(&T, &Widget) -> Option<Rectangle> + 'static,
>(
this: *mut GtkOverlay,
widget: *mut GtkWidget,
allocation: *mut GdkRectangle,
f: gpointer,
) -> gboolean
where
T: IsA<Overlay>,
{
let f: &F = &*(f as *const F);
match f(
Overlay::from_glib_borrow(this).unsafe_cast_ref(),
&from_glib_borrow(widget),
) {
Some(rect) => {
ptr::write(allocation, ptr::read(rect.to_glib_none().0));
true
}
None => false,
}
.into_glib()
}
}