From 678f903f5c3adb5fb7e9e6e16a1f5e927316715b Mon Sep 17 00:00:00 2001
From: Altair Wei <altair_wei@outlook.com>
Date: Sun, 19 Sep 2021 21:32:32 +0800
Subject: [PATCH] update hovered states

---
 framelesshelper.cpp | 41 +++++++++++++++++++++++++++++++++++++++++
 framelesshelper.h   |  3 +++
 2 files changed, 44 insertions(+)

diff --git a/framelesshelper.cpp b/framelesshelper.cpp
index 34fa01a..4ee1ce8 100644
--- a/framelesshelper.cpp
+++ b/framelesshelper.cpp
@@ -57,6 +57,8 @@ void FramelessHelper::install()
 
     m_window->setGeometry(origRect);
     resizeWindow(origRect.size());
+
+    m_window->installEventFilter(this);
 }
 
 /*!
@@ -67,6 +69,8 @@ void FramelessHelper::uninstall()
     m_window->setFlags(m_origWindowFlags);
     m_origWindowFlags = Qt::WindowFlags();
     resizeWindow(QSize());
+
+    m_window->removeEventFilter(this);
 }
 
 /*!
@@ -222,9 +226,46 @@ void FramelessHelper::updateCursor()
         setCursor(cursorForFrameSection(m_hoveredFrameSection));
 }
 
+void FramelessHelper::updateMouse(const QPoint& pos)
+{
+    updateHoverStates(pos);
+    updateCursor();
+}
+
+void FramelessHelper::updateHoverStates(const QPoint& pos)
+{
+    m_hoveredFrameSection = mapPosToFrameSection(pos);
+}
+
 bool FramelessHelper::eventFilter(QObject *object, QEvent *event)
 {
+    if (object == m_window) {
+        switch (event->type())
+        {
+        case QEvent::Resize:
+        {
+            QResizeEvent* re = static_cast<QResizeEvent *>(event);
+            resizeWindow(re->size());
+            break;
+        }
 
+        case QEvent::NonClientAreaMouseMove:
+        case QEvent::MouseMove:
+        {
+            auto ev = static_cast<QMouseEvent *>(event);
+            updateMouse(ev->pos());
+            break;
+        }
+        case QEvent::NonClientAreaMouseButtonPress:
+        case QEvent::MouseButtonPress:
+            break;
+        case QEvent::NonClientAreaMouseButtonRelease:
+        case QEvent::MouseButtonRelease:
+            break;
+        default:
+            break;
+        }
+    }
 }
 
 FRAMELESSHELPER_END_NAMESPACE
diff --git a/framelesshelper.h b/framelesshelper.h
index 12d4bfd..62be8d3 100644
--- a/framelesshelper.h
+++ b/framelesshelper.h
@@ -77,6 +77,9 @@ public:
     void unsetCursor();
     void updateCursor();
 
+    void updateMouse(const QPoint& pos);
+    void updateHoverStates(const QPoint& pos);
+
 protected:
     bool eventFilter(QObject *object, QEvent *event) override;