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use std::fmt::{self, Debug};
use crate::macros::Widget;
use crate::event::{Action, Handler, NoResponse, err_num, err_unhandled};
use crate::{Class, Core, CoreData, HasText, Editable, TkWidget};
#[widget(class = Class::Text(self))]
#[handler(response = NoResponse)]
#[derive(Clone, Default, Debug, Widget)]
pub struct Text {
#[core] core: CoreData,
text: String,
}
impl Text {
pub fn new() -> Self {
Text {
core: Default::default(),
text: String::new()
}
}
}
impl<T> From<T> for Text where String: From<T> {
fn from(text: T) -> Self {
Text {
core: Default::default(),
text: String::from(text)
}
}
}
impl HasText for Text {
fn get_text(&self) -> &str {
&self.text
}
fn set_text(&mut self, tk: &TkWidget, text: &str) {
tk.set_label(self.tkd(), text);
self.text = text.into();
}
}
#[widget(class = Class::Entry(self))]
#[derive(Clone, Default, Widget)]
pub struct Entry<H: 'static> {
#[core] core: CoreData,
editable: bool,
text: String,
handler: H,
}
impl<H> Debug for Entry<H> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Entry {{ core: {:?}, editable: {:?}, text: {:?}, handler: <omitted> }}",
self.core, self.editable, self.text)
}
}
impl<R, H: Fn() -> R> Entry<H> {
pub fn new_on_activate(text: String, handler: H) -> Self {
Entry {
core: Default::default(),
editable: true,
text,
handler,
}
}
}
impl Entry<()> {
pub fn new(editable: bool, text: String) -> Self {
Entry {
core: Default::default(),
editable,
text,
handler: (),
}
}
}
impl<H> HasText for Entry<H> {
fn get_text(&self) -> &str {
&self.text
}
fn set_text(&mut self, tk: &TkWidget, text: &str) {
tk.set_label(self.tkd(), text);
self.text = text.into();
}
}
impl<H> Editable for Entry<H> {
fn is_editable(&self) -> bool {
self.editable
}
}
impl Handler for Entry<()> {
type Response = NoResponse;
fn handle_action(&mut self, _tk: &TkWidget, action: Action, num: u32) -> Self::Response {
if num != self.number() {
return err_num()
}
match action {
Action::Activate => {
NoResponse
}
a @ _ => err_unhandled(a)
}
}
}
impl<R: From<NoResponse>, H: Fn() -> R> Handler for Entry<H> {
type Response = R;
fn handle_action(&mut self, _tk: &TkWidget, action: Action, num: u32) -> Self::Response {
if num != self.number() {
return err_num()
}
match action {
Action::Activate => {
(self.handler)()
}
a @ _ => err_unhandled(a)
}
}
}