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listener handles, auto-clean destroyed listeners, minor refactor

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This commit is contained in:
Aleksander
2025-07-06 20:53:40 +02:00
parent 92444bb5c4
commit 857c5ec865
16 changed files with 348 additions and 182 deletions
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174
wgui/src/components/slider.rs
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@@ -10,7 +10,9 @@ use crate::{
animation::{Animation, AnimationEasing},
components::Component,
drawing::{self},
event::{self, CallbackDataCommon, EventListenerCollection, EventListenerKind},
event::{
self, CallbackDataCommon, EventListenerCollection, EventListenerKind, ListenerHandleVec,
},
layout::{Layout, WidgetID},
renderer_vk::util,
widget::{
@@ -46,29 +48,39 @@ pub struct SliderState {
max_value: f32,
}
pub struct Slider {
struct Data {
body: WidgetID, // Div
slider_handle_id: WidgetID, // Div
slider_handle_rect_id: WidgetID, // Rectangle
slider_handle_node: taffy::NodeId,
}
pub struct Slider {
data: Rc<Data>,
state: Rc<RefCell<SliderState>>,
listener_handles: ListenerHandleVec,
}
impl Component for Slider {}
impl Slider {
fn get_state(&self) -> RefMut<'_, SliderState> {
self.state.borrow_mut()
}
pub fn set_value(&self, state: &mut SliderState, common: &mut CallbackDataCommon, value: f32) {
state.value = value;
common.mark_dirty(self.slider_handle_node);
common.call_on_widget(self.slider_handle_id, |div: &mut Div| {});
impl SliderState {
fn set_value(&mut self, data: &Data, common: &mut CallbackDataCommon, value: f32) {
self.value = value;
common.mark_dirty(data.slider_handle_node);
common.call_on_widget(data.slider_handle_id, |div: &mut Div| {});
common.mark_redraw();
common.mark_dirty(self.slider_handle_node);
let mut style = common
.refs
.tree
.style(data.slider_handle_node)
.unwrap()
.clone();
// todo
style.margin.left = percent(1.0);
common.set_style(data.slider_handle_node, style);
}
}
@@ -123,78 +135,97 @@ fn on_leave_anim(common: &mut event::CallbackDataCommon, handle_id: WidgetID) {
const PAD_PERCENT: f32 = 0.75;
const HANDLE_WIDTH: f32 = 32.0;
const HANDLE_HEIGHT: f32 = 24.0;
fn register_event_mouse_enter<U1, U2>(
slider: Rc<Slider>,
data: Rc<Data>,
state: Rc<RefCell<SliderState>>,
listeners: &mut EventListenerCollection<U1, U2>,
listener_handles: &mut ListenerHandleVec,
) {
listeners.add(
slider.body,
listeners.register(
listener_handles,
data.body,
EventListenerKind::MouseEnter,
Box::new(move |common, _data, _, _| {
common.trigger_haptics();
slider.get_state().hovered = true;
on_enter_anim(common, slider.slider_handle_rect_id);
state.borrow_mut().hovered = true;
on_enter_anim(common, data.slider_handle_rect_id);
}),
);
}
fn register_event_mouse_leave<U1, U2>(
slider: Rc<Slider>,
data: Rc<Data>,
state: Rc<RefCell<SliderState>>,
listeners: &mut EventListenerCollection<U1, U2>,
listener_handles: &mut ListenerHandleVec,
) {
listeners.add(
slider.body,
listeners.register(
listener_handles,
data.body,
EventListenerKind::MouseLeave,
Box::new(move |common, _data, _, _| {
common.trigger_haptics();
slider.get_state().hovered = false;
on_leave_anim(common, slider.slider_handle_rect_id);
state.borrow_mut().hovered = false;
on_leave_anim(common, data.slider_handle_rect_id);
}),
);
}
fn register_event_mouse_motion<U1, U2>(
slider: Rc<Slider>,
data: Rc<Data>,
_state: Rc<RefCell<SliderState>>,
listeners: &mut EventListenerCollection<U1, U2>,
listener_handles: &mut ListenerHandleVec,
) {
listeners.add(
slider.body,
listeners.register(
listener_handles,
data.body,
EventListenerKind::MouseMotion,
Box::new(move |_common, _data, _, _| {}),
);
}
fn register_event_mouse_press<U1, U2>(
slider: Rc<Slider>,
data: Rc<Data>,
state: Rc<RefCell<SliderState>>,
listeners: &mut EventListenerCollection<U1, U2>,
listener_handles: &mut ListenerHandleVec,
) {
listeners.add(
slider.body,
listeners.register(
listener_handles,
data.body,
EventListenerKind::MousePress,
Box::new(move |common, _data, _, _| {
common.trigger_haptics();
let mut state = slider.get_state();
let mut state = state.borrow_mut();
if state.hovered {
state.dragging = true;
let val = state.min_value;
slider.set_value(&mut state, common, val);
let val = 1.0;
state.set_value(&data, common, val);
}
}),
);
}
fn register_event_mouse_release<U1, U2>(
slider: Rc<Slider>,
data: Rc<Data>,
state: Rc<RefCell<SliderState>>,
listeners: &mut EventListenerCollection<U1, U2>,
listener_handles: &mut ListenerHandleVec,
) {
listeners.add(
slider.body,
listeners.register(
listener_handles,
data.body,
EventListenerKind::MouseRelease,
Box::new(move |common, _data, _, _| {
common.trigger_haptics();
let mut state = slider.get_state();
let mut state = state.borrow_mut();
if state.dragging {
state.dragging = false;
}
@@ -212,8 +243,6 @@ pub fn construct<U1, U2>(
style.position = taffy::Position::Relative;
style.min_size = style.size;
style.max_size = style.size;
style.align_items = Some(taffy::AlignItems::Center);
style.justify_content = Some(taffy::JustifyContent::Center);
let (body_id, _) = layout.add_child(parent, Div::create()?, style)?;
@@ -232,20 +261,27 @@ pub fn construct<U1, U2>(
height: percent(PAD_PERCENT),
},
position: taffy::Position::Absolute,
align_self: Some(taffy::AlignItems::Center),
justify_self: Some(taffy::JustifySelf::Center),
..Default::default()
},
)?;
let mut handle_style = taffy::Style::default();
handle_style.size.width = length(32.0);
handle_style.size.height = percent(1.0);
handle_style.position = taffy::Position::Absolute;
handle_style.align_items = Some(taffy::AlignItems::Center);
handle_style.justify_content = Some(taffy::JustifyContent::Center);
// invisible outer handle body
let (slider_handle_id, slider_handle_node) =
layout.add_child(body_id, Div::create()?, handle_style)?;
let (slider_handle_id, slider_handle_node) = layout.add_child(
body_id,
Div::create()?,
taffy::Style {
size: taffy::Size {
width: length(0.0),
height: percent(1.0),
},
position: taffy::Position::Absolute,
align_items: Some(taffy::AlignItems::Center),
justify_content: Some(taffy::JustifyContent::Center),
..Default::default()
},
)?;
let (slider_handle_rect_id, _) = layout.add_child(
slider_handle_id,
@@ -257,34 +293,44 @@ pub fn construct<U1, U2>(
..Default::default()
})?,
taffy::Style {
position: taffy::Position::Absolute,
size: taffy::Size {
width: percent(PAD_PERCENT),
height: percent(PAD_PERCENT),
width: length(HANDLE_WIDTH),
height: length(HANDLE_HEIGHT),
},
..Default::default()
},
)?;
let slider = Rc::new(Slider {
let data = Rc::new(Data {
body: body_id,
slider_handle_node,
slider_handle_rect_id,
slider_handle_id,
state: Rc::new(RefCell::new(SliderState {
dragging: false,
hovered: false,
max_value: params.max_value,
value: params.initial_value,
min_value: params.min_value,
})),
});
register_event_mouse_enter(slider.clone(), listeners);
register_event_mouse_leave(slider.clone(), listeners);
register_event_mouse_motion(slider.clone(), listeners);
register_event_mouse_press(slider.clone(), listeners);
register_event_mouse_leave(slider.clone(), listeners);
register_event_mouse_release(slider.clone(), listeners);
let state = Rc::new(RefCell::new(SliderState {
dragging: false,
hovered: false,
max_value: params.max_value,
value: params.initial_value,
min_value: params.min_value,
}));
let mut lhandles = ListenerHandleVec::default();
register_event_mouse_enter(data.clone(), state.clone(), listeners, &mut lhandles);
register_event_mouse_leave(data.clone(), state.clone(), listeners, &mut lhandles);
register_event_mouse_motion(data.clone(), state.clone(), listeners, &mut lhandles);
register_event_mouse_press(data.clone(), state.clone(), listeners, &mut lhandles);
register_event_mouse_leave(data.clone(), state.clone(), listeners, &mut lhandles);
register_event_mouse_release(data.clone(), state.clone(), listeners, &mut lhandles);
let slider = Rc::new(Slider {
data,
state,
listener_handles: lhandles,
});
Ok(slider)
}