From 4fc35bd506d1fb9d41324d7dd33047c491f2979f Mon Sep 17 00:00:00 2001 From: Sine Striker <trueful@163.com> Date: 周三, 08 5月 2024 11:00:38 +0800 Subject: [PATCH] Add mouse hook when exec menu --- src/core/contexts/abstractwindowcontext.cpp | 163 ++++++++++++++++++++++++++++++++++++++++++++--------- 1 files changed, 134 insertions(+), 29 deletions(-) diff --git a/src/core/contexts/abstractwindowcontext.cpp b/src/core/contexts/abstractwindowcontext.cpp index 0602bdc..1c11015 100644 --- a/src/core/contexts/abstractwindowcontext.cpp +++ b/src/core/contexts/abstractwindowcontext.cpp @@ -1,3 +1,7 @@ +// 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> @@ -7,6 +11,39 @@ #include "qwkglobal_p.h" 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; @@ -18,25 +55,9 @@ } m_host = host; m_delegate.reset(delegate); - m_windowHandle = m_delegate->hostWindow(m_host); - if (m_windowHandle) { - winIdChanged(nullptr); - } - } - - void AbstractWindowContext::setWindowAttribute(const QString &key, const QVariant &var) { - auto it = m_windowAttributes.find(key); - if (it.value() == var) - return; - - auto newVar = var; - auto oldVar = it.value(); - void *a[] = { - &const_cast<QString &>(key), - &newVar, - &oldVar, - }; - virtual_hook(WindowAttributeChangedHook, a); + 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) { @@ -72,13 +93,22 @@ if (m_titleBar == item) { return false; } + + if (m_titleBar) { + // 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(); + } + m_titleBar = item; return true; } #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 @@ -155,16 +185,24 @@ void AbstractWindowContext::virtual_hook(int id, void *data) { switch (id) { case CentralizeHook: { + 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_windowId) + return; + + m_delegate->setWindowVisible(m_host, true); Qt::WindowStates state = m_delegate->getWindowState(m_host); if (state & Qt::WindowMinimized) { m_delegate->setWindowState(m_host, state & ~Qt::WindowMinimized); @@ -193,11 +231,78 @@ } void AbstractWindowContext::notifyWinIdChange() { - auto oldWindow = m_windowHandle; - m_windowHandle = m_delegate->window(m_host); - if (oldWindow == m_windowHandle) - return; - winIdChanged(oldWindow); + 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. + 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); + + // Refresh window attributes + auto attributes = m_windowAttributes; + m_windowAttributes.clear(); + for (auto it = attributes.begin(); it != attributes.end(); ++it) { + if (!windowAttributeChanged(it.key(), it.value(), {})) { + continue; + } + m_windowAttributes.insert(it.key(), it.value()); + } + } + + // Send to shared dispatchers + if (oldWinId != m_windowId) { + QEvent e(QEvent::WinIdChange); + sharedDispatch(m_host, &e); + } + } + + QVariant AbstractWindowContext::windowAttribute(const QString &key) const { + return m_windowAttributes.value(key); + } + + bool AbstractWindowContext::setWindowAttribute(const QString &key, const QVariant &attribute) { + auto it = m_windowAttributes.find(key); + if (it == m_windowAttributes.end()) { + if (!attribute.isValid()) { + return true; + } + if (!m_windowHandle || !windowAttributeChanged(key, attribute, {})) { + return false; + } + m_windowAttributes.insert(key, attribute); + return true; + } + + if (it.value() == attribute) + return true; + if (!m_windowHandle || !windowAttributeChanged(key, attribute, it.value())) { + return false; + } + + if (attribute.isValid()) { + it.value() = attribute; + } else { + m_windowAttributes.erase(it); + } + return true; + } + + bool AbstractWindowContext::windowAttributeChanged(const QString &key, + const QVariant &attribute, + const QVariant &oldAttribute) { + return false; } } -- Gitblit v1.9.1