summaryrefslogtreecommitdiff
path: root/src/library/axes.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/library/axes.rs')
-rw-r--r--src/library/axes.rs151
1 files changed, 0 insertions, 151 deletions
diff --git a/src/library/axes.rs b/src/library/axes.rs
deleted file mode 100644
index 29b624ab..00000000
--- a/src/library/axes.rs
+++ /dev/null
@@ -1,151 +0,0 @@
-use crate::func::prelude::*;
-
-/// 📐 `align`: Aligns content in different ways.
-#[derive(Debug, PartialEq)]
-pub struct Align {
- body: Option<SyntaxTree>,
- positional_1: Option<AlignSpecifier>,
- positional_2: Option<AlignSpecifier>,
- primary: Option<AlignSpecifier>,
- secondary: Option<AlignSpecifier>,
- horizontal: Option<AlignSpecifier>,
- vertical: Option<AlignSpecifier>,
-}
-
-#[derive(Debug, Copy, Clone, Eq, PartialEq)]
-enum AlignSpecifier {
- Origin,
- Center,
- End,
- Left,
- Right,
- Top,
- Bottom,
-}
-
-function! {
- data: Align,
-
- parse(args, body, ctx) {
- let body = parse!(optional: body, ctx);
-
- let mut align = Align {
- body,
- positional_1: None,
- positional_2: None,
- primary: None,
- secondary: None,
- horizontal: None,
- vertical: None,
- };
-
- if let Some(arg) = args.get_pos_opt::<ArgIdent>()? {
- align.positional_1 = Some(parse_align_specifier(arg)?);
- }
-
- if let Some(arg) = args.get_pos_opt::<ArgIdent>()? {
- align.positional_2 = Some(parse_align_specifier(arg)?);
- }
-
- let mut parse_arg = |axis, target: &mut Option<AlignSpecifier>| {
- Ok(if let Some(arg) = args.get_key_opt::<ArgIdent>(axis)? {
- if target.is_none() {
- *target = Some(parse_align_specifier(arg)?);
- } else {
- err!("duplicate alignment specification for {} axis", axis);
- }
- })
- };
-
- parse_arg("primary", &mut align.primary)?;
- parse_arg("secondary", &mut align.secondary)?;
- parse_arg("horizontal", &mut align.horizontal)?;
- parse_arg("vertical", &mut align.vertical)?;
-
- args.done()?;
-
- Ok(align)
- }
-
- layout(this, ctx) {
- let mut axes = ctx.axes;
- let primary_horizontal = axes.primary.axis.is_horizontal();
-
- let mut primary = false;
- let mut secondary = false;
-
- let mut set_axis = |is_primary: bool, spec: Option<AlignSpecifier>| -> LayoutResult<()> {
- if let Some(spec) = spec {
- let (axis, was_set, name) = match is_primary {
- true => (&mut axes.primary, &mut primary, "primary"),
- false => (&mut axes.secondary, &mut secondary, "secondary"),
- };
-
- if *was_set {
- panic!("duplicate alignment for {} axis", name);
- }
-
- *was_set = true;
-
- let horizontal = axis.axis.is_horizontal();
- let alignment = generic_alignment(spec, horizontal)?;
-
- if axis.alignment == Alignment::End && alignment == Alignment::Origin {
- axis.expand = true;
- }
-
- axis.alignment = alignment;
- }
-
- Ok(())
- };
-
- if let Some(spec) = this.positional_1 {
- let positional = generic_alignment(spec, primary_horizontal).is_ok();
- set_axis(positional, this.positional_1)?;
- }
-
- if let Some(spec) = this.positional_2 {
- let positional = generic_alignment(spec, primary_horizontal).is_ok();
- set_axis(positional, this.positional_2)?;
- }
-
- set_axis(true, this.primary)?;
- set_axis(false, this.secondary)?;
- set_axis(primary_horizontal, this.horizontal)?;
- set_axis(!primary_horizontal, this.vertical)?;
-
- Ok(match &this.body {
- Some(body) => commands![AddMultiple(
- layout_tree(body, LayoutContext {
- axes,
- .. ctx.clone()
- })?
- )],
- None => commands![Command::SetAxes(axes)]
- })
- }
-}
-
-fn parse_align_specifier(arg: Spanned<&str>) -> ParseResult<AlignSpecifier> {
- Ok(match arg.val {
- "origin" => AlignSpecifier::Origin,
- "center" => AlignSpecifier::Center,
- "end" => AlignSpecifier::End,
- "left" => AlignSpecifier::Left,
- "right" => AlignSpecifier::Right,
- "top" => AlignSpecifier::Top,
- "bottom" => AlignSpecifier::Bottom,
- s => err!("invalid alignment specifier: {}", s),
- })
-}
-
-fn generic_alignment(spec: AlignSpecifier, horizontal: bool) -> LayoutResult<Alignment> {
- use AlignSpecifier::*;
- Ok(match (spec, horizontal) {
- (Origin, _) | (Left, true) | (Top, false) => Alignment::Origin,
- (Center, _) => Alignment::Center,
- (End, _) | (Right, true) | (Bottom, false) => Alignment::End,
- _ => Err(LayoutError::UnalignedAxis("invalid alignment"))?,
- })
-}