Files
wayvr/wgui/src/components/checkbox.rs
2026-01-06 17:09:39 +01:00

427 lines
11 KiB
Rust

use std::{
cell::RefCell,
rc::{Rc, Weak},
};
use taffy::{
AlignItems,
prelude::{length, percent},
};
use crate::{
animation::{Animation, AnimationEasing},
components::{Component, ComponentBase, ComponentTrait, RefreshData, radio_group::ComponentRadioGroup},
drawing::Color,
event::{CallbackDataCommon, EventListenerCollection, EventListenerID, EventListenerKind},
i18n::Translation,
layout::{self, WidgetID, WidgetPair},
renderer_vk::text::{FontWeight, TextStyle},
sound::WguiSoundType,
widget::{
ConstructEssentials, EventResult,
label::{WidgetLabel, WidgetLabelParams},
rectangle::{WidgetRectangle, WidgetRectangleParams},
util::WLength,
},
};
pub struct Params {
pub text: Translation,
pub style: taffy::Style,
pub box_size: f32,
pub checked: bool,
pub radio_group: Option<Rc<ComponentRadioGroup>>,
pub value: Option<Rc<str>>,
}
impl Default for Params {
fn default() -> Self {
Self {
text: Translation::from_raw_text(""),
style: Default::default(),
box_size: 24.0,
checked: false,
radio_group: None,
value: None,
}
}
}
pub struct CheckboxToggleEvent {
pub checked: bool,
pub value: Option<Rc<str>>,
}
pub type CheckboxToggleCallback = Box<dyn Fn(&mut CallbackDataCommon, CheckboxToggleEvent) -> anyhow::Result<()>>;
struct State {
checked: bool,
hovered: bool,
down: bool,
on_toggle: Option<CheckboxToggleCallback>,
self_ref: Weak<ComponentCheckbox>,
}
#[allow(clippy::struct_field_names)]
struct Data {
#[allow(dead_code)]
id_container: WidgetID, // Rectangle, transparent if not hovered
//id_outer_box: WidgetID, // Rectangle, parent of container
id_inner_box: WidgetID, // Rectangle, parent of outer_box
id_label: WidgetID, // Label, parent of container
value: Option<Rc<str>>, // arbitrary value assigned to the element
radio_group: Option<Weak<ComponentRadioGroup>>,
}
pub struct ComponentCheckbox {
base: ComponentBase,
data: Rc<Data>,
state: Rc<RefCell<State>>,
}
impl ComponentTrait for ComponentCheckbox {
fn base(&self) -> &ComponentBase {
&self.base
}
fn base_mut(&mut self) -> &mut ComponentBase {
&mut self.base
}
fn refresh(&self, _data: &mut RefreshData) {
// nothing to do
}
}
const COLOR_CHECKED: Color = Color::new(0.1, 0.5, 1.0, 1.0);
const COLOR_UNCHECKED: Color = Color::new(0.1, 0.5, 1.0, 0.0);
fn set_box_checked(widgets: &layout::WidgetMap, data: &Data, checked: bool) {
widgets.call(data.id_inner_box, |rect: &mut WidgetRectangle| {
rect.params.color = if checked { COLOR_CHECKED } else { COLOR_UNCHECKED }
});
}
impl ComponentCheckbox {
pub fn set_text(&self, common: &mut CallbackDataCommon, text: Translation) {
let Some(mut label) = common.state.widgets.get_as::<WidgetLabel>(self.data.id_label) else {
return;
};
label.set_text(common, text);
}
pub fn set_checked(&self, common: &mut CallbackDataCommon, checked: bool) {
{
let mut state = self.state.borrow_mut();
if state.checked == checked {
return;
}
state.checked = checked;
}
set_box_checked(&common.state.widgets, &self.data, checked);
common.alterables.mark_redraw();
}
pub fn get_value(&self) -> Option<Rc<str>> {
self.data.value.clone()
}
/// Set checked state without triggering visual changes.
pub(super) fn set_checked_internal(&self, checked: bool) {
self.state.borrow_mut().checked = checked;
}
pub fn on_toggle(&self, func: CheckboxToggleCallback) {
self.state.borrow_mut().on_toggle = Some(func);
}
}
fn anim_hover(rect: &mut WidgetRectangle, pos: f32, pressed: bool) {
let brightness = pos * if pressed { 0.6 } else { 0.4 };
rect.params.border = 2.0;
rect.params.color.a = brightness;
rect.params.border_color.a = rect.params.color.a;
if pressed {
rect.params.border_color.a += 0.4;
}
}
fn anim_hover_in(state: Rc<RefCell<State>>, widget_id: WidgetID, anim_mult: f32) -> Animation {
Animation::new(
widget_id,
(5. * anim_mult) as _,
AnimationEasing::OutQuad,
Box::new(move |common, anim_data| {
let rect = anim_data.obj.get_as_mut::<WidgetRectangle>().unwrap();
anim_hover(rect, anim_data.pos, state.borrow().down);
common.alterables.mark_redraw();
}),
)
}
fn anim_hover_out(state: Rc<RefCell<State>>, widget_id: WidgetID, anim_mult: f32) -> Animation {
Animation::new(
widget_id,
(8. * anim_mult) as _,
AnimationEasing::OutQuad,
Box::new(move |common, anim_data| {
let rect = anim_data.obj.get_as_mut::<WidgetRectangle>().unwrap();
anim_hover(rect, 1.0 - anim_data.pos, state.borrow().down);
common.alterables.mark_redraw();
}),
)
}
fn register_event_mouse_enter(
state: Rc<RefCell<State>>,
listeners: &mut EventListenerCollection,
anim_mult: f32,
) -> EventListenerID {
listeners.register(
EventListenerKind::MouseEnter,
Box::new(move |common, event_data, (), ()| {
common.alterables.trigger_haptics();
common
.alterables
.animate(anim_hover_in(state.clone(), event_data.widget_id, anim_mult));
state.borrow_mut().hovered = true;
Ok(EventResult::Pass)
}),
)
}
fn register_event_mouse_leave(
state: Rc<RefCell<State>>,
listeners: &mut EventListenerCollection,
anim_mult: f32,
) -> EventListenerID {
listeners.register(
EventListenerKind::MouseLeave,
Box::new(move |common, event_data, (), ()| {
common.alterables.trigger_haptics();
common
.alterables
.animate(anim_hover_out(state.clone(), event_data.widget_id, anim_mult));
state.borrow_mut().hovered = false;
Ok(EventResult::Pass)
}),
)
}
fn register_event_mouse_press(state: Rc<RefCell<State>>, listeners: &mut EventListenerCollection) -> EventListenerID {
listeners.register(
EventListenerKind::MousePress,
Box::new(move |common, event_data, (), ()| {
let mut state = state.borrow_mut();
let rect = event_data.obj.get_as_mut::<WidgetRectangle>().unwrap();
anim_hover(rect, 1.0, true);
common.alterables.trigger_haptics();
common.alterables.mark_redraw();
if state.hovered {
state.down = true;
Ok(EventResult::Consumed)
} else {
Ok(EventResult::Pass)
}
}),
)
}
fn register_event_mouse_release(
data: Rc<Data>,
state: Rc<RefCell<State>>,
listeners: &mut EventListenerCollection,
) -> EventListenerID {
listeners.register(
EventListenerKind::MouseRelease,
Box::new(move |common, event_data, (), ()| {
let rect = event_data.obj.get_as_mut::<WidgetRectangle>().unwrap();
anim_hover(rect, 1.0, false);
common.alterables.trigger_haptics();
common.alterables.mark_redraw();
let mut state = state.borrow_mut();
if state.down {
state.down = false;
if let Some(self_ref) = state.self_ref.upgrade()
&& let Some(radio) = data.radio_group.as_ref().and_then(Weak::upgrade)
{
radio.set_selected_internal(common, &self_ref)?;
state.checked = true; // can't uncheck radiobox by clicking the checked box again
common.alterables.play_sound(WguiSoundType::CheckboxCheck);
} else {
state.checked = !state.checked;
common.alterables.play_sound(if state.checked {
WguiSoundType::CheckboxCheck
} else {
WguiSoundType::CheckboxUncheck
});
}
set_box_checked(&common.state.widgets, &data, state.checked);
if state.hovered
&& let Some(on_toggle) = &state.on_toggle
{
on_toggle(
common,
CheckboxToggleEvent {
checked: state.checked,
value: data.value.clone(),
},
)?;
}
Ok(EventResult::Consumed)
} else {
Ok(EventResult::Pass)
}
}),
)
}
#[allow(clippy::too_many_lines)]
pub fn construct(ess: &mut ConstructEssentials, params: Params) -> anyhow::Result<(WidgetPair, Rc<ComponentCheckbox>)> {
let mut style = params.style;
// force-override style
style.flex_wrap = taffy::FlexWrap::NoWrap;
style.align_items = Some(AlignItems::Center);
// make checkbox interaction box larger by setting padding and negative margin
style.padding = taffy::Rect {
left: length(4.0),
right: length(8.0),
top: length(4.0),
bottom: length(4.0),
};
style.margin = taffy::Rect {
left: length(-4.0),
right: length(-8.0),
top: length(-4.0),
bottom: length(-4.0),
};
//style.align_self = Some(taffy::AlignSelf::Start); // do not stretch self to the parent
style.gap = length(4.0);
let (round_5, round_8) = if params.radio_group.is_some() {
(WLength::Percent(1.0), WLength::Percent(1.0))
} else {
(WLength::Units(5.0), WLength::Units(8.0))
};
let globals = ess.layout.state.globals.clone();
let (root, _) = ess.layout.add_child(
ess.parent,
WidgetRectangle::create(WidgetRectangleParams {
color: Color::new(1.0, 1.0, 1.0, 0.0),
border_color: Color::new(1.0, 1.0, 1.0, 0.0),
round: round_5,
..Default::default()
}),
style,
)?;
let id_container = root.id;
let box_size = taffy::Size {
width: length(params.box_size),
height: length(params.box_size),
};
let (outer_box, _) = ess.layout.add_child(
id_container,
WidgetRectangle::create(WidgetRectangleParams {
border: 2.0,
border_color: Color::new(1.0, 1.0, 1.0, 1.0),
round: round_8,
color: Color::new(1.0, 1.0, 1.0, 0.0),
..Default::default()
}),
taffy::Style {
size: box_size,
padding: taffy::Rect::length(4.0),
min_size: box_size,
max_size: box_size,
..Default::default()
},
)?;
let (inner_box, _) = ess.layout.add_child(
outer_box.id,
WidgetRectangle::create(WidgetRectangleParams {
round: round_5,
color: if params.checked { COLOR_CHECKED } else { COLOR_UNCHECKED },
..Default::default()
}),
taffy::Style {
size: taffy::Size {
width: percent(1.0),
height: percent(1.0),
},
..Default::default()
},
)?;
let (label, _node_label) = ess.layout.add_child(
id_container,
WidgetLabel::create(
&mut globals.get(),
WidgetLabelParams {
content: params.text,
style: TextStyle {
weight: Some(FontWeight::Bold),
..Default::default()
},
},
),
Default::default(),
)?;
let data = Rc::new(Data {
id_container,
id_inner_box: inner_box.id,
id_label: label.id,
value: params.value,
radio_group: params.radio_group.as_ref().map(Rc::downgrade),
});
let state = Rc::new(RefCell::new(State {
checked: params.checked,
down: false,
hovered: false,
on_toggle: None,
self_ref: Weak::new(),
}));
let base = ComponentBase {
id: root.id,
lhandles: {
let mut widget = ess.layout.state.widgets.get(id_container).unwrap().state();
let anim_mult = ess.layout.state.globals.defaults().animation_mult;
vec![
register_event_mouse_enter(state.clone(), &mut widget.event_listeners, anim_mult),
register_event_mouse_leave(state.clone(), &mut widget.event_listeners, anim_mult),
register_event_mouse_press(state.clone(), &mut widget.event_listeners),
register_event_mouse_release(data.clone(), state.clone(), &mut widget.event_listeners),
]
},
};
let checkbox = Rc::new(ComponentCheckbox { base, data, state });
if let Some(radio) = params.radio_group.as_ref() {
radio.register_child(checkbox.clone(), params.checked);
checkbox.state.borrow_mut().self_ref = Rc::downgrade(&checkbox);
}
ess.layout.defer_component_refresh(Component(checkbox.clone()));
Ok((root, checkbox))
}