From 6c17277540f22612e1d310591fff86f482de81e0 Mon Sep 17 00:00:00 2001
From: one <wangan.cs@gmail.com>
Date: Fri, 2 May 2025 11:27:16 +0800
Subject: [PATCH] perf(inputbar): improve long text paste (#5580)

---
 .../src/pages/home/Inputbar/Inputbar.tsx      | 42 +++++++++----------
 1 file changed, 20 insertions(+), 22 deletions(-)

diff --git a/src/renderer/src/pages/home/Inputbar/Inputbar.tsx b/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
index da17d02bc1..377c63c6d9 100644
--- a/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
+++ b/src/renderer/src/pages/home/Inputbar/Inputbar.tsx
@@ -570,14 +570,10 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
 
   const onPaste = useCallback(
     async (event: ClipboardEvent) => {
-      const clipboardText = event.clipboardData?.getData('text')
-      if (clipboardText) {
-        // Prioritize the text when pasting.
-        // handled by the default event
-      } else {
-        for (const file of event.clipboardData?.files || []) {
-          event.preventDefault()
-
+      // 1. 文件/图片粘贴
+      if (event.clipboardData?.files && event.clipboardData.files.length > 0) {
+        event.preventDefault()
+        for (const file of event.clipboardData.files) {
           if (file.path === '') {
             // 图像生成也支持图像编辑
             if (file.type.startsWith('image/') && (isVisionModel(model) || isGenerateImageModel(model))) {
@@ -608,23 +604,25 @@ const Inputbar: FC<Props> = ({ assistant: _assistant, setActiveTopic, topic }) =
             }
           }
         }
+        return
       }
 
-      if (pasteLongTextAsFile) {
-        const item = event.clipboardData?.items[0]
-        if (item && item.kind === 'string' && item.type === 'text/plain') {
-          item.getAsString(async (pasteText) => {
-            if (pasteText.length > pasteLongTextThreshold) {
-              const tempFilePath = await window.api.file.create('pasted_text.txt')
-              await window.api.file.write(tempFilePath, pasteText)
-              const selectedFile = await window.api.file.get(tempFilePath)
-              selectedFile && setFiles((prevFiles) => [...prevFiles, selectedFile])
-              setText(text)
-              setTimeout(() => resizeTextArea(), 50)
-            }
-          })
-        }
+      // 2. 文本粘贴
+      const clipboardText = event.clipboardData?.getData('text')
+      if (pasteLongTextAsFile && clipboardText && clipboardText.length > pasteLongTextThreshold) {
+        // 长文本直接转文件，阻止默认粘贴
+        event.preventDefault()
+
+        const tempFilePath = await window.api.file.create('pasted_text.txt')
+        await window.api.file.write(tempFilePath, clipboardText)
+        const selectedFile = await window.api.file.get(tempFilePath)
+        selectedFile && setFiles((prevFiles) => [...prevFiles, selectedFile])
+        setText(text) // 保持输入框内容不变
+        setTimeout(() => resizeTextArea(), 50)
+        return
       }
+
+      // 短文本走默认粘贴行为
     },
     [model, pasteLongTextAsFile, pasteLongTextThreshold, resizeTextArea, supportExts, t, text]
   )