From 289337f0166045c5aa2b629658c5bc1e9cdaa936 Mon Sep 17 00:00:00 2001
From: messypy <you@example.com>
Date: Mon, 27 Jul 2026 23:36:06 +0900
Subject: [PATCH] Keep Win32 GUI on one OS thread

---
 cmd/vrc_osc_gui/window_windows.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/cmd/vrc_osc_gui/window_windows.go b/cmd/vrc_osc_gui/window_windows.go
index a6abbbd..5e1cb4f 100644
--- a/cmd/vrc_osc_gui/window_windows.go
+++ b/cmd/vrc_osc_gui/window_windows.go
@@ -9,6 +9,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"runtime"
 	"runtime/debug"
 	"sort"
 	"strconv"
@@ -328,6 +329,9 @@ func guiLog(text string) {
 }
 
 func runNativeGUI(initialTab string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
 	user32 := syscall.NewLazyDLL("user32.dll")
 	kernel32 := syscall.NewLazyDLL("kernel32.dll")
 	gdi32 := syscall.NewLazyDLL("gdi32.dll")
@@ -990,6 +994,10 @@ func refreshGUI(setWindowText *syscall.LazyProc, app *guiApp, reloadData bool) {
 	if app == nil {
 		return
 	}
+	if app.activeTab == "history" && !reloadData {
+		syncPaneVisibility(app)
+		return
+	}
 	start := time.Now()
 	defer func() {
 		if d := time.Since(start); d > 100*time.Millisecond {