From 2d2fc799bc698ebf7e7c8bcc394366d0d7bf071b Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周二, 20 2月 2024 18:18:39 +0800
Subject: [PATCH] Partially finish the bug after window close and reshow
---
src/core/contexts/abstractwindowcontext.cpp | 31 +++++++++++++++++++++++--------
1 files changed, 23 insertions(+), 8 deletions(-)
diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp
index 96d215a..8fa851a 100644
--- a/src/core/contexts/abstractwindowcontext.cpp
+++ b/src/core/contexts/abstractwindowcontext.cpp
@@ -41,7 +41,18 @@
explicit WindowEventFilter(QWindow *window, AbstractWindowContext *ctx,
QObject *parent = nullptr)
: QObject(parent), ctx(ctx), window(window) {
- window->installEventFilter(this);
+ if (window)
+ window->installEventFilter(this);
+ }
+
+ inline void setWindow(QWindow *win) {
+ if (auto oldWin = window.data(); oldWin) {
+ oldWin->removeEventFilter(this);
+ }
+ window = win;
+ if (win) {
+ win->installEventFilter(this);
+ }
}
protected:
@@ -51,7 +62,7 @@
protected:
AbstractWindowContext *ctx;
- QWindow *window;
+ QPointer<QWindow> window;
};
}
@@ -67,11 +78,11 @@
m_host = host;
m_delegate.reset(delegate);
m_winIdChangeEventFilter = std::make_unique<WinIdChangeEventFilter>(host, this);
+ m_windowEventFilter = std::make_unique<WindowEventFilter>(m_windowHandle, this);
m_windowHandle = m_delegate->hostWindow(m_host);
if (m_windowHandle) {
winIdChanged();
- m_windowEventFilter = std::make_unique<WindowEventFilter>(m_windowHandle, this);
}
}
@@ -248,14 +259,18 @@
}
void AbstractWindowContext::notifyWinIdChange() {
- auto oldWindow = m_windowHandle;
+ auto windowEventFilter = static_cast<WindowEventFilter *>(m_windowEventFilter.get());
+ windowEventFilter->setWindow(nullptr);
+
+ // In Qt6, after QWidget::close() is called, the related QWindow's all surfaces and the
+ // platform window will be removed, and the WinId will be set to 0. After that, when the
+ // QWidget is shown again, the whole things will be recreated again.
+ // As a result, we must update our WindowContext each time the WinId changes.
m_windowHandle = m_delegate->hostWindow(m_host);
- if (oldWindow == m_windowHandle)
- return;
- m_windowEventFilter.reset();
winIdChanged();
+
if (m_windowHandle) {
- m_windowEventFilter = std::make_unique<WindowEventFilter>(m_windowHandle, this);
+ windowEventFilter->setWindow(m_windowHandle);
// Refresh window attributes
auto attributes = m_windowAttributes;
--
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