From 564f33e8b29a6f73050f4da3f843b942aaf0d739 Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周三, 08 5月 2024 19:36:16 +0800
Subject: [PATCH] Improve event filter handling
---
src/core/contexts/abstractwindowcontext.cpp | 111 ++++++++++++++++++++++---------------------------------
1 files changed, 44 insertions(+), 67 deletions(-)
diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp
index 2fdada5..71818c2 100644
--- a/src/core/contexts/abstractwindowcontext.cpp
+++ b/src/core/contexts/abstractwindowcontext.cpp
@@ -1,56 +1,16 @@
+// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
+// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
+// SPDX-License-Identifier: Apache-2.0
+
#include "abstractwindowcontext_p.h"
#include <QtGui/QPen>
#include <QtGui/QPainter>
#include <QtGui/QScreen>
-#include <memory>
#include "qwkglobal_p.h"
namespace QWK {
-
- namespace {
-
- class WinIdChangeEventFilter : public QObject {
- public:
- explicit WinIdChangeEventFilter(QObject *widget, AbstractWindowContext *ctx,
- QObject *parent = nullptr)
- : QObject(parent), ctx(ctx) {
- widget->installEventFilter(this);
- }
-
- protected:
- bool eventFilter(QObject *obj, QEvent *event) override {
- Q_UNUSED(obj)
- if (event->type() == QEvent::WinIdChange) {
- ctx->notifyWinIdChange();
- }
- return false;
- }
-
- protected:
- AbstractWindowContext *ctx;
- };
-
- class WindowEventFilter : public QObject {
- public:
- explicit WindowEventFilter(QWindow *window, AbstractWindowContext *ctx,
- QObject *parent = nullptr)
- : QObject(parent), ctx(ctx), window(window) {
- window->installEventFilter(this);
- }
-
- protected:
- bool eventFilter(QObject *obj, QEvent *event) override {
- return ctx->sharedDispatch(obj, event);
- }
-
- protected:
- AbstractWindowContext *ctx;
- QWindow *window;
- };
-
- }
AbstractWindowContext::AbstractWindowContext() = default;
@@ -62,16 +22,9 @@
}
m_host = host;
m_delegate.reset(delegate);
- m_winIdChangeEventFilter = std::make_unique<WinIdChangeEventFilter>(host, this);
-
- m_windowHandle = m_delegate->hostWindow(m_host);
- if (m_windowHandle) {
- winIdChanged();
- m_windowEventFilter = std::make_unique<WindowEventFilter>(m_windowHandle, this);
- }
+ m_winIdChangeEventFilter.reset(delegate->createWinIdEventFilter(host, this));
+ notifyWinIdChange();
}
-
-
bool AbstractWindowContext::setHitTestVisible(const QObject *obj, bool visible) {
Q_ASSERT(obj);
@@ -120,8 +73,8 @@
}
#ifdef Q_OS_MAC
- void AbstractWindowContext::setSystemButtonArea(const QRect &rect) {
- m_systemButtonArea = rect;
+ void AbstractWindowContext::setSystemButtonAreaCallback(const ScreenRectCallback &callback) {
+ m_systemButtonAreaCallback = callback;
virtual_hook(SystemButtonAreaChangedHook, nullptr);
}
#endif
@@ -198,20 +151,21 @@
void AbstractWindowContext::virtual_hook(int id, void *data) {
switch (id) {
case CentralizeHook: {
- if (!m_windowHandle)
+ if (!m_windowId)
return;
+ QRect windowGeometry = m_delegate->getGeometry(m_host);
QRect screenGeometry = m_windowHandle->screen()->geometry();
- int x = (screenGeometry.width() - m_windowHandle->width()) / 2;
- int y = (screenGeometry.height() - m_windowHandle->height()) / 2;
+ int x = (screenGeometry.width() - windowGeometry.width()) / 2;
+ int y = (screenGeometry.height() - windowGeometry.height()) / 2;
QPoint pos(x, y);
pos += screenGeometry.topLeft();
- m_windowHandle->setPosition(pos);
+ m_delegate->setGeometry(m_host, QRect(pos, windowGeometry.size()));
return;
}
case RaiseWindowHook: {
- if (!m_windowHandle)
+ if (!m_windowId)
return;
m_delegate->setWindowVisible(m_host, true);
@@ -243,14 +197,24 @@
}
void AbstractWindowContext::notifyWinIdChange() {
- auto oldWindow = m_windowHandle;
- m_windowHandle = m_delegate->hostWindow(m_host);
- if (oldWindow == m_windowHandle)
- return;
- m_windowEventFilter.reset();
- winIdChanged();
+ auto oldWinId = m_windowId;
+ m_windowId = m_winIdChangeEventFilter->winId();
+
+ // 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.
if (m_windowHandle) {
- m_windowEventFilter = std::make_unique<WindowEventFilter>(m_windowHandle, this);
+ removeEventFilter(m_windowHandle);
+ }
+ m_windowHandle = m_delegate->hostWindow(m_host);
+
+ if (oldWinId != m_windowId) {
+ winIdChanged(m_windowId, oldWinId);
+ }
+
+ if (m_windowHandle) {
+ m_windowHandle->installEventFilter(this);
// Refresh window attributes
auto attributes = m_windowAttributes;
@@ -261,6 +225,12 @@
}
m_windowAttributes.insert(it.key(), it.value());
}
+ }
+
+ // Send to shared dispatchers
+ if (oldWinId != m_windowId) {
+ QEvent e(QEvent::WinIdChange);
+ sharedDispatch(m_host, &e);
}
}
@@ -295,6 +265,13 @@
return true;
}
+ bool AbstractWindowContext::eventFilter(QObject *obj, QEvent *event) {
+ if (obj == m_windowHandle && sharedDispatch(obj, event)) {
+ return true;
+ }
+ return QObject::eventFilter(obj, event);
+ }
+
bool AbstractWindowContext::windowAttributeChanged(const QString &key,
const QVariant &attribute,
const QVariant &oldAttribute) {
--
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