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use crate::{debug_log_level::DebugLogLevel, utils, ScrollToBottom};
use bevy::{prelude::*, render::view::RenderLayers};
use bevy_log::tracing::level_filters::LevelFilter;
use bevy_math::Quat;
use bevy_transform::components::Transform;
pub const RENDER_LAYER: usize = 55;
#[derive(Component)]
pub(crate) struct LogViewerMarker;
#[derive(Component, PartialEq)]
pub(crate) enum ScrollState {
Auto,
Manual,
}
#[derive(Resource)]
pub(crate) struct LogViewerState {
pub(crate) visible: bool,
pub(crate) fullscreen: bool,
pub(crate) auto_open_threshold: LevelFilter,
pub(crate) auto_open_enabled: bool,
pub(crate) error_visible: bool,
pub(crate) warn_visible: bool,
pub(crate) info_visible: bool,
pub(crate) debug_visible: bool,
pub(crate) trace_visible: bool,
pub(crate) scroll_state: ScrollState,
}
impl Default for LogViewerState {
fn default() -> Self {
Self {
auto_open_threshold: LevelFilter::OFF,
visible: false,
fullscreen: false,
auto_open_enabled: false,
error_visible: true,
warn_visible: true,
info_visible: true,
debug_visible: true,
trace_visible: true,
scroll_state: ScrollState::Auto,
}
}
}
#[derive(Component)]
pub(crate) struct ListMarker;
#[derive(Component)]
pub(crate) struct ListContainerMarker;
#[derive(Component)]
pub(crate) struct GoDownBtnMarker;
#[derive(Component)]
pub(crate) enum TrafficLightButton {
Red,
Yellow,
Green,
}
#[derive(Component, Clone)]
pub(crate) struct AutoCheckBox;
#[derive(Component, Clone, Copy, PartialEq, Debug)]
pub(crate) enum LevelFilterChip {
Error,
Warn,
Info,
Debug,
Trace,
}
#[derive(Event)]
pub(crate) struct ChipToggle(pub(crate) LevelFilterChip);
pub fn setup_log_viewer_ui(mut commands: Commands, log_viewer_res: Res<LogViewerState>) {
let safe_zone_top = if cfg!(target_os = "ios") { 50 } else { 0 };
commands
.spawn((
Name::new("log-viewer-ui"),
RenderLayers::layer(RENDER_LAYER),
LogViewerMarker,
GlobalZIndex(i32::MAX),
Node {
display: Display::None,
width: Val::Percent(100.0),
height: Val::Percent(40.0),
padding: UiRect::all(Val::Px(4.)).with_top(Val::Px(safe_zone_top as f32)),
flex_direction: FlexDirection::Column,
justify_content: JustifyContent::Stretch,
position_type: PositionType::Absolute,
overflow: Overflow::clip(),
border: UiRect::bottom(Val::Px(1.)),
..default()
},
BackgroundColor(Color::srgba(0.15, 0.15, 0.15, 0.75)),
BorderColor(Color::NONE),
))
.with_children(|parent| {
// Title Bar
parent
.spawn((
Node {
flex_direction: FlexDirection::Row,
justify_content: JustifyContent::SpaceBetween,
..default()
},
Name::new("title_bar"),
))
.with_children(|parent| {
utils::spawn_chip(
parent,
LevelFilterChip::Error,
DebugLogLevel::ERROR.into(),
"0".into(),
"E".into(),
log_viewer_res.error_visible,
"error_switch",
);
utils::spawn_chip(
parent,
LevelFilterChip::Warn,
DebugLogLevel::WARN.into(),
"0".into(),
"W".into(),
log_viewer_res.warn_visible,
"warn_switch",
);
utils::spawn_chip(
parent,
LevelFilterChip::Info,
DebugLogLevel::INFO.into(),
"0".into(),
"I".into(),
log_viewer_res.info_visible,
"info_switch",
);
utils::spawn_chip(
parent,
LevelFilterChip::Debug,
DebugLogLevel::DEBUG.into(),
"0".into(),
"D".into(),
log_viewer_res.debug_visible,
"debug_switch",
);
utils::spawn_chip(
parent,
LevelFilterChip::Trace,
DebugLogLevel::TRACE.into(),
"0".into(),
"T".into(),
log_viewer_res.trace_visible,
"trace_switch",
);
parent.spawn((
Node {
align_items: AlignItems::End,
flex_grow: 1.0,
..default()
},
Name::new("title_bar_spacer"),
));
// Show checkbox only when auto-open is enabled
if log_viewer_res.auto_open_threshold != LevelFilter::OFF {
// This cannot fail because LevelFilter cannot be OFF here
let level: DebugLogLevel = log_viewer_res
.auto_open_threshold
.try_into()
.expect("LevelFilter should be convertible to DebugLogLevel");
parent
.spawn((
Node {
align_items: AlignItems::End,
..default()
},
Name::new("auto-open"),
))
.with_children(|parent| {
utils::spawn_checkbox(
parent,
AutoCheckBox,
"auto-open-checkbox",
log_viewer_res.auto_open_enabled,
format!("Auto-open on {}", level.title_case()),
);
});
}
parent
.spawn((
Node {
padding: UiRect::all(Val::Px(5.)),
align_items: AlignItems::End,
..default()
},
Name::new("size_btn"),
))
.with_children(|parent| {
parent.spawn((
Button,
Node {
width: Val::Px(20.),
height: Val::Px(20.),
..default()
},
BorderRadius::all(Val::Px(20.)),
BackgroundColor(Color::srgb_u8(43, 198, 63)),
TrafficLightButton::Green,
));
});
parent
.spawn((
Node {
padding: UiRect::all(Val::Px(5.)),
align_items: AlignItems::End,
..default()
},
Name::new("clear_btn"),
))
.with_children(|parent| {
parent.spawn((
Button,
Node {
width: Val::Px(20.),
height: Val::Px(20.),
..default()
},
BackgroundColor(Color::srgb_u8(255, 188, 46)),
BorderRadius::all(Val::Px(20.)),
TrafficLightButton::Yellow,
));
});
parent
.spawn((
Node {
padding: UiRect::all(Val::Px(5.)),
align_items: AlignItems::End,
..default()
},
Name::new("close_logs_btn"),
))
.with_children(|parent| {
parent.spawn((
Button,
Node {
width: Val::Px(20.),
height: Val::Px(20.),
..default()
},
BorderRadius::all(Val::Px(20.)),
BackgroundColor(Color::srgb_u8(255, 95, 87)),
TrafficLightButton::Red,
));
});
});
// Button for scrolling to the bottom
parent
.spawn((
Node {
width: Val::Px(24.),
height: Val::Px(24.),
bottom: Val::Px(5.),
right: Val::Px(5.),
position_type: PositionType::Absolute,
display: Display::None,
margin: UiRect::all(Val::Px(1.)),
padding: UiRect {
left: Val::Px(5.),
right: Val::Px(5.),
top: Val::Px(10.),
bottom: Val::Px(5.),
},
border: UiRect::all(Val::Px(1.)),
..default()
},
ZIndex(1),
Button,
BorderColor(Color::WHITE),
BorderRadius::all(Val::Px(20.)),
BackgroundColor(Color::BLACK.with_alpha(0.75)),
GoDownBtnMarker,
Name::new("go_down_btn"),
))
.observe(|_: Trigger<Pointer<Click>>, mut commands: Commands| {
commands.trigger(ScrollToBottom);
})
.with_children(|parent| {
// Create a down-arrow icon by rotating a square 45 degrees
// and clipping the overflow at the top.
parent
.spawn((
Node {
overflow: Overflow::clip_y(),
align_items: AlignItems::End,
justify_content: JustifyContent::Center,
width: Val::Px(16.),
height: Val::Px(8.),
padding: UiRect::bottom(Val::Px(4.)),
..default()
},
Name::new("icon_container"),
))
.with_children(|parent| {
parent.spawn((
Node {
width: Val::Px(8.),
height: Val::Px(8.),
..default()
},
Transform {
rotation: Quat::from_rotation_z(std::f32::consts::FRAC_PI_4),
..default()
},
BackgroundColor(Color::WHITE),
Name::new("down_arrow"),
));
});
});
// List Container
parent
.spawn((
Node {
height: Val::Percent(100.),
overflow: Overflow::scroll_y(),
..default()
},
Name::new("container"),
ListContainerMarker,
))
.observe(on_drag_scroll)
.with_children(|children| {
children.spawn((
Node {
flex_direction: FlexDirection::Column,
position_type: PositionType::Absolute,
..default()
},
Pickable {
should_block_lower: false,
..default()
},
Name::new("list"),
ListMarker,
));
});
});
}
fn on_drag_scroll(
drag: Trigger<Pointer<Drag>>,
mut scroll_positions: Query<&mut ScrollPosition, With<ListContainerMarker>>,
mut log_viewer_state: ResMut<LogViewerState>,
) {
if let Ok(mut scroll_position) = scroll_positions.get_mut(drag.target()) {
scroll_position.offset_y -= drag.delta.y;
log_viewer_state.scroll_state = ScrollState::Manual;
}
}