From 6f98dd8930c8c0e0935fce2d9e7a2fea7028b4a0 Mon Sep 17 00:00:00 2001
From: Yuhang Zhao <2546789017@qq.com>
Date: Wed, 12 May 2021 08:55:44 +0800
Subject: [PATCH] Update README.md

Signed-off-by: Yuhang Zhao <2546789017@qq.com>
---
 README.md       | 7 ++++++-
 README_unix.md  | 7 ++++++-
 README_win32.md | 7 ++++++-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index fd054e8..7f19596 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ int main(int argc, char *argv[]) {
 
 Please refer to [the QWidget example](/examples/QWidget/main.cpp) for more detailed information.
 
-### Ignore areas and etc
+### Some details
 
 ```cpp
 // Only **TOP LEVEL** QWidgets and QWindows are supported.
@@ -60,6 +60,11 @@ win->setMinimumSize(800, 540);
 FramelessWindowsManager::addIgnoreObject(win, ui->pushButton_minimize);
 ```
 
+## IMPORTANT NOTES
+
+- For [QDockWidget](https://doc.qt.io/qt-6/qdockwidget.html), it supports set a custom title bar widget officially, no need to use this library, and this library is known to be not working well for QDockWidgets. Please refer to <https://doc.qt.io/qt-6/qdockwidget.html#setTitleBarWidget> for more details.
+- Only top level windows ([QWindow](https://doc.qt.io/qt-6/qwindow.html) and [QWidget](https://doc.qt.io/qt-6/qwidget.html)) are supported.
+
 ## Supported Platforms
 
 ### Win32
diff --git a/README_unix.md b/README_unix.md
index 0071d76..f78b86c 100644
--- a/README_unix.md
+++ b/README_unix.md
@@ -22,12 +22,17 @@ helper.removeWindowFrame(&widget);
 widget.show();
 ```
 
-### Ignore areas and etc
+### Some details
 
 ```cpp
 helper.setIgnoreAreas(&widget, {{0, 0, 30, 40}, {40, 0, 30, 40}});
 ```
 
+## IMPORTANT NOTES
+
+- For [QDockWidget](https://doc.qt.io/qt-6/qdockwidget.html), it supports set a custom title bar widget officially, no need to use this library, and this library is known to be not working well for QDockWidgets. Please refer to <https://doc.qt.io/qt-6/qdockwidget.html#setTitleBarWidget> for more details.
+- Only top level windows ([QWindow](https://doc.qt.io/qt-6/qwindow.html) and [QWidget](https://doc.qt.io/qt-6/qwidget.html)) are supported.
+
 ## Requirements
 
 | Component | Requirement | Additional Information |
diff --git a/README_win32.md b/README_win32.md
index 05291ad..5968f44 100644
--- a/README_win32.md
+++ b/README_win32.md
@@ -28,7 +28,7 @@ widget.show();
 
 Please refer to [the QWidget example](/examples/QWidget/main.cpp) for more detailed information.
 
-### Ignore areas and etc
+### Some details
 
 ```cpp
 QWindow *win = widget.windowHandle();
@@ -46,6 +46,11 @@ WinNativeEventFilter::setIgnoredObjects(win, {ui->minimizeBtn, ui->closeBtn});
 win->setFlag(Qt::MSWindowsFixedSizeDialogHint);
 ```
 
+## IMPORTANT NOTES
+
+- For [QDockWidget](https://doc.qt.io/qt-6/qdockwidget.html), it supports set a custom title bar widget officially, no need to use this library, and this library is known to be not working well for QDockWidgets. Please refer to <https://doc.qt.io/qt-6/qdockwidget.html#setTitleBarWidget> for more details.
+- Only top level windows ([QWindow](https://doc.qt.io/qt-6/qwindow.html) and [QWidget](https://doc.qt.io/qt-6/qwidget.html)) are supported.
+
 ## Supported Platforms
 
 Windows 7 ~ 10, 32 bit & 64 bit.