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use knuffel::errors::DecodeError;
use niri_ipc::{ColumnDisplay, SizeChange};
use crate::appearance::{
Border, FocusRing, InsertHint, Shadow, TabIndicator, DEFAULT_BACKGROUND_COLOR,
};
use crate::utils::{expect_only_children, Flag, MergeWith};
use crate::{BorderRule, Color, FloatOrInt, InsertHintPart, ShadowRule, TabIndicatorPart};
#[derive(Debug, Clone, PartialEq)]
pub struct Layout {
pub focus_ring: FocusRing,
pub border: Border,
pub shadow: Shadow,
pub tab_indicator: TabIndicator,
pub insert_hint: InsertHint,
pub preset_column_widths: Vec<PresetSize>,
pub default_column_width: Option<PresetSize>,
pub preset_window_heights: Vec<PresetSize>,
pub center_focused_column: CenterFocusedColumn,
pub always_center_single_column: bool,
pub empty_workspace_above_first: bool,
pub default_column_display: ColumnDisplay,
pub gaps: f64,
pub struts: Struts,
pub background_color: Color,
}
impl Default for Layout {
fn default() -> Self {
Self {
focus_ring: FocusRing::default(),
border: Border::default(),
shadow: Shadow::default(),
tab_indicator: TabIndicator::default(),
insert_hint: InsertHint::default(),
preset_column_widths: vec![
PresetSize::Proportion(1. / 3.),
PresetSize::Proportion(0.5),
PresetSize::Proportion(2. / 3.),
],
default_column_width: Some(PresetSize::Proportion(0.5)),
center_focused_column: CenterFocusedColumn::Never,
always_center_single_column: false,
empty_workspace_above_first: false,
default_column_display: ColumnDisplay::Normal,
gaps: 16.,
struts: Struts::default(),
preset_window_heights: vec![
PresetSize::Proportion(1. / 3.),
PresetSize::Proportion(0.5),
PresetSize::Proportion(2. / 3.),
],
background_color: DEFAULT_BACKGROUND_COLOR,
}
}
}
impl MergeWith<LayoutPart> for Layout {
fn merge_with(&mut self, part: &LayoutPart) {
merge!(
(self, part),
focus_ring,
border,
shadow,
tab_indicator,
insert_hint,
always_center_single_column,
empty_workspace_above_first,
gaps,
);
merge_clone!(
(self, part),
preset_column_widths,
preset_window_heights,
center_focused_column,
default_column_display,
struts,
background_color,
);
if let Some(x) = part.default_column_width {
self.default_column_width = x.0;
}
if self.preset_column_widths.is_empty() {
self.preset_column_widths = Layout::default().preset_column_widths;
}
if self.preset_window_heights.is_empty() {
self.preset_window_heights = Layout::default().preset_window_heights;
}
}
}
#[derive(knuffel::Decode, Debug, Default, Clone, PartialEq)]
pub struct LayoutPart {
#[knuffel(child)]
pub focus_ring: Option<BorderRule>,
#[knuffel(child)]
pub border: Option<BorderRule>,
#[knuffel(child)]
pub shadow: Option<ShadowRule>,
#[knuffel(child)]
pub tab_indicator: Option<TabIndicatorPart>,
#[knuffel(child)]
pub insert_hint: Option<InsertHintPart>,
#[knuffel(child, unwrap(children))]
pub preset_column_widths: Option<Vec<PresetSize>>,
#[knuffel(child)]
pub default_column_width: Option<DefaultPresetSize>,
#[knuffel(child, unwrap(children))]
pub preset_window_heights: Option<Vec<PresetSize>>,
#[knuffel(child, unwrap(argument))]
pub center_focused_column: Option<CenterFocusedColumn>,
#[knuffel(child)]
pub always_center_single_column: Option<Flag>,
#[knuffel(child)]
pub empty_workspace_above_first: Option<Flag>,
#[knuffel(child, unwrap(argument, str))]
pub default_column_display: Option<ColumnDisplay>,
#[knuffel(child, unwrap(argument))]
pub gaps: Option<FloatOrInt<0, 65535>>,
#[knuffel(child)]
pub struts: Option<Struts>,
#[knuffel(child)]
pub background_color: Option<Color>,
}
#[derive(knuffel::Decode, Debug, Clone, Copy, PartialEq)]
pub enum PresetSize {
Proportion(#[knuffel(argument)] f64),
Fixed(#[knuffel(argument)] i32),
}
impl From<PresetSize> for SizeChange {
fn from(value: PresetSize) -> Self {
match value {
PresetSize::Proportion(prop) => SizeChange::SetProportion(prop * 100.),
PresetSize::Fixed(fixed) => SizeChange::SetFixed(fixed),
}
}
}
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct DefaultPresetSize(pub Option<PresetSize>);
#[derive(knuffel::Decode, Debug, Default, Clone, Copy, PartialEq)]
pub struct Struts {
#[knuffel(child, unwrap(argument), default)]
pub left: FloatOrInt<-65535, 65535>,
#[knuffel(child, unwrap(argument), default)]
pub right: FloatOrInt<-65535, 65535>,
#[knuffel(child, unwrap(argument), default)]
pub top: FloatOrInt<-65535, 65535>,
#[knuffel(child, unwrap(argument), default)]
pub bottom: FloatOrInt<-65535, 65535>,
}
#[derive(knuffel::DecodeScalar, Debug, Default, PartialEq, Eq, Clone, Copy)]
pub enum CenterFocusedColumn {
/// Focusing a column will not center the column.
#[default]
Never,
/// The focused column will always be centered.
Always,
/// Focusing a column will center it if it doesn't fit on the screen together with the
/// previously focused column.
OnOverflow,
}
impl<S> knuffel::Decode<S> for DefaultPresetSize
where
S: knuffel::traits::ErrorSpan,
{
fn decode_node(
node: &knuffel::ast::SpannedNode<S>,
ctx: &mut knuffel::decode::Context<S>,
) -> Result<Self, DecodeError<S>> {
expect_only_children(node, ctx);
let mut children = node.children();
if let Some(child) = children.next() {
if let Some(unwanted_child) = children.next() {
ctx.emit_error(DecodeError::unexpected(
unwanted_child,
"node",
"expected no more than one child",
));
}
PresetSize::decode_node(child, ctx).map(Some).map(Self)
} else {
Ok(Self(None))
}
}
}
|
