From de576330bb929b4ded335cf96ace527b21a32bba Mon Sep 17 00:00:00 2001
From: ShenQiLun <97694732@qq.com>
Date: Tue, 30 Jun 2026 11:49:18 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BD=BF=E7=94=A8WM=5FGETTEXTLENGTH?=
 =?UTF-8?q?=E8=8E=B7=E5=8F=96=E6=9C=AB=E5=B0=BE=E4=BD=8D=E7=BD=AE=E6=8F=92?=
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---
 cmd/server/gui_windows.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmd/server/gui_windows.go b/cmd/server/gui_windows.go
index 368853e..35a9777 100644
--- a/cmd/server/gui_windows.go
+++ b/cmd/server/gui_windows.go
@@ -36,6 +36,7 @@ const (
 	WM_CTLCOLOREDIT = 0x0133
 	EM_SETSEL       = 0x00B1
 	EM_REPLACESEL   = 0x00C2
+	WM_GETTEXTLENGTH = 0x000E
 
 	SW_SHOW         = 5
 	IDC_ARROW       = 32512
@@ -186,8 +187,9 @@ func appendText(text string) {
 	if hWndEdit == 0 {
 		return
 	}
-	// 光标移到末尾
-	pSendMessageW.Call(hWndEdit, EM_SETSEL, ^uintptr(0), ^uintptr(0))
+	// 获取文本长度，将光标移到末尾（避免鼠标点击中间位置导致日志插入到光标处）
+	textLen, _, _ := pSendMessageW.Call(hWndEdit, WM_GETTEXTLENGTH, 0, 0)
+	pSendMessageW.Call(hWndEdit, EM_SETSEL, textLen, textLen)
 	// 插入文本
 	ptr, _ := syscall.UTF16PtrFromString(text)
 	pSendMessageW.Call(hWndEdit, EM_REPLACESEL, 1, uintptr(unsafe.Pointer(ptr)))