| | |
| | | // 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; |
| | | |
| | |
| | | } |
| | | 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) { |
| | | 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; |
| | | } |
| | |
| | | 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; |
| | |
| | | |
| | | 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; |
| | | } |
| | | |
| | | #ifdef Q_OS_MAC |
| | | void |
| | | AbstractWindowContext::setSystemButtonAreaCallback(const ScreenRectCallback &callback) { |
| | | void AbstractWindowContext::setSystemButtonAreaCallback(const ScreenRectCallback &callback) { |
| | | m_systemButtonAreaCallback = callback; |
| | | virtual_hook(SystemButtonAreaChangedHook, nullptr); |
| | | } |
| | |
| | | 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); |
| | |
| | | } |
| | | |
| | | void AbstractWindowContext::notifyWinIdChange() { |
| | | auto oldWindow = m_windowHandle; |
| | | 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); |
| | | auto oldWinId = m_windowId; |
| | | m_windowId = m_winIdChangeEventFilter->winId(); |
| | | |
| | | // 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; |
| | | // 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) { |
| | | removeEventFilter(m_windowHandle); |
| | | } |
| | | m_windowHandle = m_delegate->hostWindow(m_host); |
| | | if (m_windowHandle) { |
| | | m_windowHandle->installEventFilter(this); |
| | | } |
| | | |
| | | if (oldWinId != m_windowId) { |
| | | winIdChanged(m_windowId, oldWinId); |
| | | |
| | | if (m_windowId) { |
| | | // Refresh window attributes |
| | | for (auto it = m_windowAttributesOrder.begin(); |
| | | it != m_windowAttributesOrder.end();) { |
| | | if (!windowAttributeChanged(it->first, it->second, {})) { |
| | | m_windowAttributes.remove(it->first); |
| | | it = m_windowAttributesOrder.erase(it); |
| | | continue; |
| | | } |
| | | ++it; |
| | | } |
| | | m_windowAttributes.insert(it.key(), it.value()); |
| | | } |
| | | |
| | | // Send to shared dispatchers |
| | | QEvent e(QEvent::WinIdChange); |
| | | sharedDispatch(m_host, &e); |
| | | } |
| | | } |
| | | |
| | | QVariant AbstractWindowContext::windowAttribute(const QString &key) const { |
| | | return m_windowAttributes.value(key); |
| | | auto it = m_windowAttributes.find(key); |
| | | if (it == m_windowAttributes.end()) { |
| | | return {}; |
| | | } |
| | | return it.value()->second; |
| | | } |
| | | |
| | | bool AbstractWindowContext::setWindowAttribute(const QString &key, const QVariant &attribute) { |
| | |
| | | if (!attribute.isValid()) { |
| | | return true; |
| | | } |
| | | if (!m_windowHandle || !windowAttributeChanged(key, attribute, {})) { |
| | | if (m_windowId && !windowAttributeChanged(key, attribute, {})) { |
| | | return false; |
| | | } |
| | | m_windowAttributes.insert(key, attribute); |
| | | m_windowAttributes.insert( |
| | | key, m_windowAttributesOrder.insert(m_windowAttributesOrder.end(), |
| | | std::make_pair(key, attribute))); |
| | | return true; |
| | | } |
| | | |
| | | if (it.value() == attribute) |
| | | return true; |
| | | if (!m_windowHandle || !windowAttributeChanged(key, attribute, it.value())) { |
| | | auto &listIter = it.value(); |
| | | auto &oldAttr = listIter->second; |
| | | if (m_windowId && !windowAttributeChanged(key, attribute, oldAttr)) { |
| | | return false; |
| | | } |
| | | |
| | | if (attribute.isValid()) { |
| | | it.value() = attribute; |
| | | oldAttr = attribute; |
| | | m_windowAttributesOrder.splice(m_windowAttributesOrder.end(), m_windowAttributesOrder, |
| | | listIter); |
| | | } else { |
| | | m_windowAttributesOrder.erase(listIter); |
| | | m_windowAttributes.erase(it); |
| | | } |
| | | 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, |
| | |
| | | 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; |
| | | } |
| | | } |
| | | } |
| | | |
| | | } |