From e9d163b1a811ee4f02e898bc7c2e6336d88e4a7f Mon Sep 17 00:00:00 2001
From: Sine Striker <trueful@163.com>
Date: 周日, 28 7月 2024 18:09:03 +0800
Subject: [PATCH] Make hit-test items auto-delete
---
src/core/contexts/abstractwindowcontext.cpp | 128 ++++++++++++++++++++++++++----------------
1 files changed, 79 insertions(+), 49 deletions(-)
diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp
index 1c11015..f838064 100644
--- a/src/core/contexts/abstractwindowcontext.cpp
+++ b/src/core/contexts/abstractwindowcontext.cpp
@@ -12,39 +12,6 @@
namespace QWK {
- namespace {
-
- class WindowEventFilter : public QObject {
- public:
- explicit WindowEventFilter(QWindow *window, AbstractWindowContext *ctx,
- QObject *parent = nullptr)
- : QObject(parent), ctx(ctx), window(window) {
- 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:
- bool eventFilter(QObject *obj, QEvent *event) override {
- return ctx->sharedDispatch(obj, event);
- }
-
- protected:
- AbstractWindowContext *ctx;
- QPointer<QWindow> window;
- };
-
- }
-
AbstractWindowContext::AbstractWindowContext() = default;
AbstractWindowContext::~AbstractWindowContext() = default;
@@ -56,20 +23,30 @@
m_host = host;
m_delegate.reset(delegate);
m_winIdChangeEventFilter.reset(delegate->createWinIdEventFilter(host, this));
- m_windowEventFilter = std::make_unique<WindowEventFilter>(m_windowHandle, this);
notifyWinIdChange();
}
- bool AbstractWindowContext::setHitTestVisible(const QObject *obj, bool visible) {
+ bool AbstractWindowContext::setHitTestVisible(QObject *obj, bool visible) {
Q_ASSERT(obj);
if (!obj) {
return false;
}
+ auto it = m_hitTestVisibleItems.find(obj);
if (visible) {
+ if (it != m_hitTestVisibleItems.end()) {
+ return true;
+ }
+ connect(obj, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_hitTestVisibleItemDestroyed);
m_hitTestVisibleItems.insert(obj);
} else {
- m_hitTestVisibleItems.remove(obj);
+ if (it == m_hitTestVisibleItems.end()) {
+ return false;
+ }
+ disconnect(obj, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_hitTestVisibleItemDestroyed);
+ m_hitTestVisibleItems.erase(it);
}
return true;
}
@@ -81,8 +58,18 @@
return false;
}
- if (m_systemButtons[button] == obj) {
- return false;
+ auto org = m_systemButtons[button];
+ if (org == obj) {
+ return true;
+ }
+
+ if (org) {
+ disconnect(org, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_systemButtonDestroyed);
+ }
+ if (obj) {
+ connect(obj, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_systemButtonDestroyed);
}
m_systemButtons[button] = obj;
return true;
@@ -90,18 +77,20 @@
bool AbstractWindowContext::setTitleBar(QObject *item) {
Q_ASSERT(item);
- if (m_titleBar == item) {
+ auto org = m_titleBar;
+ if (org == item) {
return false;
}
- if (m_titleBar) {
+ if (org) {
// Since the title bar is changed, all items inside it should be dereferenced right away
- for (auto &button : m_systemButtons) {
- button = nullptr;
- }
- m_hitTestVisibleItems.clear();
+ removeSystemButtonsAndHitTestItems();
+ disconnect(org, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_titleBarDistroyed);
}
-
+ if (item) {
+ connect(item, &QObject::destroyed, this, &AbstractWindowContext::_q_titleBarDistroyed);
+ }
m_titleBar = item;
return true;
}
@@ -238,17 +227,17 @@
// 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) {
+ removeEventFilter(m_windowHandle);
+ }
m_windowHandle = m_delegate->hostWindow(m_host);
-
- auto windowEventFilter = static_cast<WindowEventFilter *>(m_windowEventFilter.get());
- windowEventFilter->setWindow(nullptr);
if (oldWinId != m_windowId) {
winIdChanged(m_windowId, oldWinId);
}
if (m_windowHandle) {
- windowEventFilter->setWindow(m_windowHandle);
+ m_windowHandle->installEventFilter(this);
// Refresh window attributes
auto attributes = m_windowAttributes;
@@ -299,10 +288,51 @@
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) {
return false;
}
+ void AbstractWindowContext::removeSystemButtonsAndHitTestItems() {
+ for (auto &button : m_systemButtons) {
+ if (!button) {
+ continue;
+ }
+ disconnect(button, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_systemButtonDestroyed);
+ button = nullptr;
+ }
+ for (auto &item : m_hitTestVisibleItems) {
+ disconnect(item, &QObject::destroyed, this,
+ &AbstractWindowContext::_q_hitTestVisibleItemDestroyed);
+ }
+ m_hitTestVisibleItems.clear();
+ }
+
+ void AbstractWindowContext::_q_titleBarDistroyed(QObject *obj) {
+ Q_UNUSED(obj)
+ removeSystemButtonsAndHitTestItems();
+ m_titleBar = nullptr;
+ }
+
+ void AbstractWindowContext::_q_hitTestVisibleItemDestroyed(QObject *obj) {
+ m_hitTestVisibleItems.remove(obj);
+ }
+
+ void AbstractWindowContext::_q_systemButtonDestroyed(QObject *obj) {
+ for (auto &item : m_systemButtons) {
+ if (item == obj) {
+ item = nullptr;
+ }
+ }
+ }
+
}
--
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