From f7cb4db29153fbf70ed7bb54a4e7336509057d31 Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Tue, 29 Jul 2025 09:51:48 +0800
Subject: [PATCH] :art: Export preview mode supports focus use
 https://github.com/siyuan-note/siyuan/issues/15340

---
 app/src/protyle/preview/index.ts | 1 +
 kernel/api/lute.go               | 7 ++++++-
 kernel/model/export.go           | 4 ++--
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/app/src/protyle/preview/index.ts b/app/src/protyle/preview/index.ts
index bb742a8ca..1f85441a7 100644
--- a/app/src/protyle/preview/index.ts
+++ b/app/src/protyle/preview/index.ts
@@ -279,6 +279,7 @@ export class Preview {
             fetchPost("/api/lute/copyStdMarkdown", {
                 id: protyle.block.id || protyle.options.blockId || protyle.block.parentID,
                 assetsDestSpace2Underscore: true,
+                fillCSSVar: true,
                 adjustHeadingLevel: true,
             }, (response) => {
                 writeText(response.data);
diff --git a/kernel/api/lute.go b/kernel/api/lute.go
index 423f98be9..208ada64c 100644
--- a/kernel/api/lute.go
+++ b/kernel/api/lute.go
@@ -49,12 +49,17 @@ func copyStdMarkdown(c *gin.Context) {
 		assetsDestSpace2Underscore = arg["assetsDestSpace2Underscore"].(bool)
 	}
 
+	fillCSSVar := false
+	if nil != arg["fillCSSVar"] {
+		fillCSSVar = arg["fillCSSVar"].(bool)
+	}
+
 	adjustHeadingLevel := false
 	if nil != arg["adjustHeadingLevel"] {
 		adjustHeadingLevel = arg["adjustHeadingLevel"].(bool)
 	}
 
-	ret.Data = model.ExportStdMarkdown(id, assetsDestSpace2Underscore, adjustHeadingLevel)
+	ret.Data = model.ExportStdMarkdown(id, assetsDestSpace2Underscore, fillCSSVar, adjustHeadingLevel)
 }
 
 func html2BlockDOM(c *gin.Context) {
diff --git a/kernel/model/export.go b/kernel/model/export.go
index 18cf138fc..e9cc2b37f 100644
--- a/kernel/model/export.go
+++ b/kernel/model/export.go
@@ -1457,7 +1457,7 @@ func processPDFLinkEmbedAssets(pdfCtx *model.Context, assetDests []string, remov
 	}
 }
 
-func ExportStdMarkdown(id string, assetsDestSpace2Underscore, adjustHeadingLevel bool) string {
+func ExportStdMarkdown(id string, assetsDestSpace2Underscore, fillCSSVar, adjustHeadingLevel bool) string {
 	bt := treenode.GetBlockTree(id)
 	if nil == bt {
 		logging.LogErrorf("block tree [%s] not found", id)
@@ -1500,7 +1500,7 @@ func ExportStdMarkdown(id string, assetsDestSpace2Underscore, adjustHeadingLevel
 		".md", Conf.Export.BlockRefMode, Conf.Export.BlockEmbedMode, Conf.Export.FileAnnotationRefMode,
 		Conf.Export.TagOpenMarker, Conf.Export.TagCloseMarker,
 		Conf.Export.BlockRefTextLeft, Conf.Export.BlockRefTextRight,
-		Conf.Export.AddTitle, Conf.Export.InlineMemo, defBlockIDs, true, false, &map[string]*parse.Tree{})
+		Conf.Export.AddTitle, Conf.Export.InlineMemo, defBlockIDs, true, fillCSSVar, &map[string]*parse.Tree{})
 }
 
 func ExportPandocConvertZip(ids []string, pandocTo, ext string) (name, zipPath string) {