bevy/crates/bevy_ui/src/lib.rs
François b724a0f586 Down with the system! (#2496)
# Objective

- Remove all the `.system()` possible.
- Check for remaining missing cases.

## Solution

- Remove all `.system()`, fix compile errors
- 32 calls to `.system()` remains, mostly internals, the few others should be removed after #2446
2021-07-27 23:42:36 +00:00

89 lines
2.6 KiB
Rust

mod anchors;
mod flex;
mod focus;
mod margins;
mod render;
mod ui_node;
pub mod entity;
pub mod update;
pub mod widget;
pub use anchors::*;
pub use flex::*;
pub use focus::*;
pub use margins::*;
pub use render::*;
pub use ui_node::*;
pub mod prelude {
#[doc(hidden)]
pub use crate::{entity::*, ui_node::*, widget::Button, Anchors, Interaction, Margins};
}
use bevy_app::prelude::*;
use bevy_ecs::schedule::{ParallelSystemDescriptorCoercion, SystemLabel};
use bevy_input::InputSystem;
use bevy_math::{Rect, Size};
use bevy_render::RenderStage;
use bevy_transform::TransformSystem;
use update::ui_z_system;
#[derive(Default)]
pub struct UiPlugin;
#[derive(Debug, Hash, PartialEq, Eq, Clone, SystemLabel)]
pub enum UiSystem {
/// After this label, the ui flex state has been updated
Flex,
Focus,
}
impl Plugin for UiPlugin {
fn build(&self, app: &mut App) {
app.init_resource::<FlexSurface>()
.register_type::<AlignContent>()
.register_type::<AlignItems>()
.register_type::<AlignSelf>()
.register_type::<Direction>()
.register_type::<Display>()
.register_type::<FlexDirection>()
.register_type::<FlexWrap>()
.register_type::<JustifyContent>()
.register_type::<Node>()
.register_type::<PositionType>()
.register_type::<Size<f32>>()
.register_type::<Size<Val>>()
.register_type::<Rect<Val>>()
.register_type::<Style>()
.register_type::<Val>()
.add_system_to_stage(
CoreStage::PreUpdate,
ui_focus_system.label(UiSystem::Focus).after(InputSystem),
)
// add these stages to front because these must run before transform update systems
.add_system_to_stage(
CoreStage::PostUpdate,
widget::text_system.before(UiSystem::Flex),
)
.add_system_to_stage(
CoreStage::PostUpdate,
widget::image_node_system.before(UiSystem::Flex),
)
.add_system_to_stage(
CoreStage::PostUpdate,
flex_node_system
.label(UiSystem::Flex)
.before(TransformSystem::TransformPropagate),
)
.add_system_to_stage(
CoreStage::PostUpdate,
ui_z_system
.after(UiSystem::Flex)
.before(TransformSystem::TransformPropagate),
)
.add_system_to_stage(RenderStage::Draw, widget::draw_text_system);
crate::render::add_ui_graph(&mut app.world);
}
}