From 08b1c988cf77fd64cef114372c9c789228247d3c Mon Sep 17 00:00:00 2001
From: OrangeX4 <318483724@qq.com>
Date: Mon, 25 Mar 2024 15:00:00 +0800
Subject: [PATCH] feat: add handle for styled

---
 slide.typ       | 16 ++++++++++++++--
 utils/utils.typ | 10 ++++++++--
 2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/slide.typ b/slide.typ
index a43e76080..fdc601e75 100644
--- a/slide.typ
+++ b/slide.typ
@@ -246,7 +246,7 @@
         }
         result.push(child)
       } else if utils.is-sequence(child) {
-        // handle the list item
+        // handle the sequence
         let (conts, nextrepetitions) = _parse-content(
           self: self, need-cover: repetitions <= index, base: repetitions, index: index, child
         )
@@ -257,6 +257,18 @@
           cover-arr.push(cont)
         }
         repetitions = nextrepetitions
+      } else if utils.is-styled(child) {
+        // handle styled
+        let (conts, nextrepetitions) = _parse-content(
+          self: self, need-cover: repetitions <= index, base: repetitions, index: index, child.child
+        )
+        let cont = conts.first()
+        if repetitions <= index or not need-cover {
+          result.push(utils.typst-builtin-styled(cont, child.styles))
+        } else {
+          cover-arr.push(utils.typst-builtin-styled(cont, child.styles))
+        }
+        repetitions = nextrepetitions
       } else if type(child) == content and child.func() in (list.item, enum.item, align) {
         // handle the list item
         let (conts, nextrepetitions) = _parse-content(
@@ -270,7 +282,7 @@
         }
         repetitions = nextrepetitions
       } else if type(child) == content and child.func() in (pad,) {
-        // handle the list item
+        // handle the pad
         let (conts, nextrepetitions) = _parse-content(
           self: self, need-cover: repetitions <= index, base: repetitions, index: index, child.body
         )
diff --git a/utils/utils.typ b/utils/utils.typ
index 0589793b3..fab869701 100644
--- a/utils/utils.typ
+++ b/utils/utils.typ
@@ -97,9 +97,15 @@
 }
 
 // Type: is sequence
-#let _typst-sequence = ([A] + [ ] + [B]).func()
+#let typst-builtin-sequence = ([A] + [ ] + [B]).func()
 #let is-sequence(it) = {
-  type(it) == content and it.func() == _typst-sequence
+  type(it) == content and it.func() == typst-builtin-sequence
+}
+
+// Type: is styled
+#let typst-builtin-styled = [#set text(fill: red)].func()
+#let is-styled(it) = {
+  type(it) == content and it.func() == typst-builtin-styled
 }
 
 #let reconstruct(body-name: "body", named: false, it, body) = {