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use crate::style::standard::cursor::StdCursor;
use super::*;
impl<'w,E,Text> Widget<E> for Button<'w,E,Text> where
E: Env,
ERenderer<E>: RenderStdWidgets<E>,
EEvent<E>: StdVarSup<E>,
E::Context: CtxStdState<E>,
Text: AsWidget<E>,
{
fn child_paths(&self, _: E::WidgetPath) -> Vec<E::WidgetPath> {
vec![]
}
fn id(&self) -> E::WidgetID {
self.id.clone()
}
fn _render(&self, mut l: Link<E>, r: &mut RenderLink<E>) {
let mut r = r.with_style(&self.style);
let mut r = r.inside_border_by(StdSelectag::BorderOuter,l.ctx);
if l.state().is_hovered(&self.id) {
r.set_cursor_specific(&StdCursor::Hand.into(),l.ctx);
}
r.with(&[
StdSelectag::ObjForeground,
StdSelectag::Hovered(l.is_hovered()),
StdSelectag::Focused(l.is_focused()),
StdSelectag::Locked(self.locked),
StdSelectag::Pressed(Self::pressed(&l).is_some()),
][..])
.fill_rect(l.ctx);
r.with(&[
StdSelectag::ObjBorder,
StdSelectag::Hovered(l.is_hovered()),
StdSelectag::Focused(l.is_focused()),
StdSelectag::Locked(self.locked),
StdSelectag::Pressed(Self::pressed(&l).is_some()),
StdSelectag::BorderVisual,
][..])
.fill_border_inner(l.ctx);
let mut r = r.inside_border_by(StdSelectag::BorderVisual,l.ctx);
r.with(&[
StdSelectag::ObjForeground,
StdSelectag::ObjText,
StdSelectag::Hovered(l.is_hovered()),
StdSelectag::Focused(l.is_focused()),
StdSelectag::Locked(self.locked),
StdSelectag::Pressed(Self::pressed(&l).is_some()),
][..])
.render_widget(l.for_child(0).unwrap());
}
fn _event_direct(&self, mut l: Link<E>, e: &EventCompound<E>) -> EventResp {
let e = e.with_style(&self.style);
let e = try_or_false!(e.filter_inside_bounds_by_style(StdSelectag::BorderOuter,l.ctx));
if e.event.is_hover_update() || e.event.is_kbd_press().is_some() || e.event.is_kbd_up().is_some() {
l.enqueue_invalidate()
}
if let Some(ee) = e.event.is_mouse_up() {
if ee.key == EEKey::<E>::MOUSE_LEFT && ee.down_widget.is(self.id()) && l.is_hovered() && !self.locked {
(self.trigger)(l);
return true;
}
} else if let Some(ee) = e.event.is_kbd_press() {
if (ee.key == EEKey::<E>::ENTER || ee.key == EEKey::<E>::SPACE) && ee.down_widget.is(self.id()) {
(self.trigger)(l);
return true;
}
}
false
}
fn _size(&self, mut l: Link<E>, e: &EStyle<E>) -> ESize<E> {
let e = e.and(&self.style);
let mut ms = l.for_child(0).unwrap().size(&e);
ms.add_border(&e.border(&StdSelectag::<E>::BorderOuter.into_selector(),l.ctx));
ms.add_border(&e.border(&StdSelectag::<E>::BorderVisual.into_selector(),l.ctx));
ms.max( &self.size )
}
fn childs(&self) -> usize {
1
}
fn childs_ref(&self) -> Vec<Resolvable<E>> {
vec![self.text.as_ref()]
}
fn into_childs<'a>(self: Box<Self>) -> Vec<Resolvable<'a,E>> where Self: 'a {
vec![self.text.into_ref()]
}
fn child_bounds(&self, _: Link<E>, _: &Bounds, e: &EStyle<E>, _: bool) -> Result<Vec<Bounds>,()> {
todo!();
Ok(vec![])
}
fn focusable(&self) -> bool { true }
fn child(&self, i: usize) -> Result<Resolvable<E>,()> {
if i != 0 {return Err(());}
Ok(self.text.as_ref())
}
fn into_child<'a>(self: Box<Self>, i: usize) -> Result<Resolvable<'a,E>,()> where Self: 'a {
if i != 0 {return Err(());}
Ok(self.text.into_ref())
}
}
impl<'w,E,Text> WidgetMut<E> for Button<'w,E,Text> where
E: Env,
ERenderer<E>: RenderStdWidgets<E>,
EEvent<E>: StdVarSup<E>,
E::Context: CtxStdState<E>,
Text: AsWidgetMut<E>,
{
fn childs_mut(&mut self) -> Vec<ResolvableMut<E>> {
vec![self.text.as_mut()]
}
fn into_childs_mut<'a>(self: Box<Self>) -> Vec<ResolvableMut<'a,E>> where Self: 'a {
vec![self.text.into_mut()]
}
fn child_mut(&mut self, i: usize) -> Result<ResolvableMut<E>,()> {
if i != 0 {return Err(());}
Ok(self.text.as_mut())
}
fn into_child_mut<'a>(self: Box<Self>, i: usize) -> Result<ResolvableMut<'a,E>,()> where Self: 'a {
if i != 0 {return Err(());}
Ok(self.text.into_mut())
}
}
impl<'w,E,S> Button<'w,E,S> where
E: Env,
ERenderer<E>: RenderStdWidgets<E>,
EEvent<E>: StdVarSup<E>,
E::Context: CtxStdState<E>,
S: AsWidget<E>,
{
pub fn pressed<'l:'s,'s>(l: &'s Link<'l,E>) -> Option<&'s EPressedKey<E>> {
let id = l.id();
l.state().is_pressed_and_id(&[EEKey::<E>::MOUSE_LEFT],id.clone())
.or_else(||
l.state().is_pressed_and_id(&[EEKey::<E>::ENTER],id.clone())
)
.or_else(||
l.state().is_pressed_and_id(&[EEKey::<E>::SPACE],id)
)
}
}