299 lines
10 KiB
C++
299 lines
10 KiB
C++
// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
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// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
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// SPDX-License-Identifier: Apache-2.0
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#include "abstractwindowcontext_p.h"
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#include <QtGui/QPen>
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#include <QtGui/QPainter>
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#include <QtGui/QScreen>
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#include "qwkglobal_p.h"
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namespace QWK {
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AbstractWindowContext::AbstractWindowContext() = default;
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AbstractWindowContext::~AbstractWindowContext() = default;
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void AbstractWindowContext::setup(QObject *host, WindowItemDelegate *delegate) {
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if (m_host || !host || !delegate) {
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return;
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}
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m_host = host;
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m_delegate.reset(delegate);
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m_winIdChangeEventFilter.reset(delegate->createWinIdEventFilter(host, this));
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notifyWinIdChange();
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}
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bool AbstractWindowContext::setHitTestVisible(QObject *obj, bool visible) {
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Q_ASSERT(obj);
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if (!obj) {
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return false;
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}
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if (visible) {
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m_hitTestVisibleItems.removeAll(nullptr);
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m_hitTestVisibleItems.removeAll(obj);
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m_hitTestVisibleItems.append(obj);
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} else {
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for (auto &item : m_hitTestVisibleItems) {
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if (item == obj) {
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item = nullptr;
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}
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}
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}
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return true;
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}
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bool AbstractWindowContext::setSystemButton(WindowAgentBase::SystemButton button,
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QObject *obj) {
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Q_ASSERT(button != WindowAgentBase::Unknown);
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if (button == WindowAgentBase::Unknown) {
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return false;
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}
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auto org = m_systemButtons[button];
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if (org == obj) {
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return false;
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}
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m_systemButtons[button] = obj;
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return true;
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}
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bool AbstractWindowContext::setTitleBar(QObject *item) {
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Q_ASSERT(item);
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auto org = m_titleBar;
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if (org == item) {
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return false;
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}
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if (org) {
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// Since the title bar is changed, all items inside it should be dereferenced right away
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removeSystemButtonsAndHitTestItems();
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}
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m_titleBar = item;
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return true;
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}
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#ifdef Q_OS_MAC
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void AbstractWindowContext::setSystemButtonAreaCallback(const ScreenRectCallback &callback) {
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m_systemButtonAreaCallback = callback;
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virtual_hook(SystemButtonAreaChangedHook, nullptr);
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}
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#endif
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bool AbstractWindowContext::isInSystemButtons(const QPoint &pos,
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WindowAgentBase::SystemButton *button) const {
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*button = WindowAgentBase::Unknown;
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for (int i = WindowAgentBase::WindowIcon; i <= WindowAgentBase::Close; ++i) {
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auto currentButton = m_systemButtons[i];
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if (!currentButton || !m_delegate->isVisible(currentButton) || !m_delegate->isEnabled(currentButton)) {
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continue;
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}
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if (m_delegate->mapGeometryToScene(currentButton).contains(pos)) {
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*button = static_cast<WindowAgentBase::SystemButton>(i);
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return true;
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}
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}
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return false;
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}
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bool AbstractWindowContext::isInTitleBarDraggableArea(const QPoint &pos) const {
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if (!m_titleBar) {
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// There's no title bar at all, the mouse will always be in the client area.
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return false;
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}
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if (!m_delegate->isVisible(m_titleBar) || !m_delegate->isEnabled(m_titleBar)) {
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// The title bar is hidden or disabled for some reason, treat it as there's
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// no title bar.
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return false;
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}
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QRect windowRect = {QPoint(0, 0), m_windowHandle->size()};
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QRect titleBarRect = m_delegate->mapGeometryToScene(m_titleBar);
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if (!titleBarRect.intersects(windowRect)) {
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// The title bar is totally outside the window for some reason,
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// also treat it as there's no title bar.
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return false;
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}
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if (!titleBarRect.contains(pos)) {
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return false;
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}
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WindowAgentBase::SystemButton button;
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if (isInSystemButtons(pos, &button)) {
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return false;
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}
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for (auto &&item : std::as_const(m_hitTestVisibleItems)) {
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if (item && m_delegate->isVisible(item) &&
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m_delegate->mapGeometryToScene(item).contains(pos)) {
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return false;
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}
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}
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return true;
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}
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QString AbstractWindowContext::key() const {
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return {};
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}
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QWK_USED static constexpr const struct {
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const quint32 activeLight = MAKE_RGBA_COLOR(210, 233, 189, 226);
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const quint32 activeDark = MAKE_RGBA_COLOR(177, 205, 190, 240);
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const quint32 inactiveLight = MAKE_RGBA_COLOR(193, 195, 211, 203);
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const quint32 inactiveDark = MAKE_RGBA_COLOR(240, 240, 250, 255);
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} kSampleColorSet;
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void AbstractWindowContext::virtual_hook(int id, void *data) {
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switch (id) {
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case CentralizeHook: {
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if (!m_windowId)
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return;
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QRect windowGeometry = m_delegate->getGeometry(m_host);
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QRect screenGeometry = m_windowHandle->screen()->geometry();
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int x = (screenGeometry.width() - windowGeometry.width()) / 2;
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int y = (screenGeometry.height() - windowGeometry.height()) / 2;
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QPoint pos(x, y);
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pos += screenGeometry.topLeft();
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m_delegate->setGeometry(m_host, QRect(pos, windowGeometry.size()));
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return;
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}
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case RaiseWindowHook: {
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if (!m_windowId)
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return;
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m_delegate->setWindowVisible(m_host, true);
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Qt::WindowStates state = m_delegate->getWindowState(m_host);
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if (state & Qt::WindowMinimized) {
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m_delegate->setWindowState(m_host, state & ~Qt::WindowMinimized);
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}
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m_delegate->bringWindowToTop(m_host);
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return;
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}
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case DefaultColorsHook: {
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auto &map = *static_cast<QMap<QString, QColor> *>(data);
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map.clear();
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map.insert(QStringLiteral("activeLight"), kSampleColorSet.activeLight);
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map.insert(QStringLiteral("activeDark"), kSampleColorSet.activeDark);
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map.insert(QStringLiteral("inactiveLight"), kSampleColorSet.inactiveLight);
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map.insert(QStringLiteral("inactiveDark"), kSampleColorSet.inactiveDark);
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return;
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}
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default:
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break;
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}
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}
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void AbstractWindowContext::showSystemMenu(const QPoint &pos) {
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virtual_hook(ShowSystemMenuHook, &const_cast<QPoint &>(pos));
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}
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void AbstractWindowContext::notifyWinIdChange() {
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auto oldWinId = m_windowId;
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m_windowId = m_winIdChangeEventFilter->winId();
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// In Qt6, after QWidget::close() is called, the related QWindow's all surfaces and the
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// platform window will be removed, and the WinId will be set to 0. After that, when the
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// QWidget is shown again, the whole things will be recreated again.
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// As a result, we must update our WindowContext each time the WinId changes.
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if (m_windowHandle) {
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removeEventFilter(m_windowHandle);
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}
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m_windowHandle = m_delegate->hostWindow(m_host);
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if (m_windowHandle) {
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m_windowHandle->installEventFilter(this);
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}
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if (oldWinId != m_windowId) {
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winIdChanged(m_windowId, oldWinId);
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if (m_windowId) {
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// Refresh window attributes
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for (auto it = m_windowAttributesOrder.begin();
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it != m_windowAttributesOrder.end();) {
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if (!windowAttributeChanged(it->first, it->second, {})) {
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m_windowAttributes.remove(it->first);
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it = m_windowAttributesOrder.erase(it);
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continue;
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}
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++it;
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}
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}
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// Send to shared dispatchers
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QEvent e(QEvent::WinIdChange);
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sharedDispatch(m_host, &e);
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}
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}
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QVariant AbstractWindowContext::windowAttribute(const QString &key) const {
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auto it = m_windowAttributes.find(key);
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if (it == m_windowAttributes.end()) {
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return {};
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}
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return it.value()->second;
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}
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bool AbstractWindowContext::setWindowAttribute(const QString &key, const QVariant &attribute) {
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auto it = m_windowAttributes.find(key);
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if (it == m_windowAttributes.end()) {
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if (!attribute.isValid()) {
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return true;
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}
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if (m_windowId && !windowAttributeChanged(key, attribute, {})) {
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return false;
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}
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m_windowAttributes.insert(
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key, m_windowAttributesOrder.insert(m_windowAttributesOrder.end(),
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std::make_pair(key, attribute)));
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return true;
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}
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auto &listIter = it.value();
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auto &oldAttr = listIter->second;
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if (m_windowId && !windowAttributeChanged(key, attribute, oldAttr)) {
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return false;
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}
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if (attribute.isValid()) {
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oldAttr = attribute;
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m_windowAttributesOrder.splice(m_windowAttributesOrder.end(), m_windowAttributesOrder,
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listIter);
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} else {
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m_windowAttributesOrder.erase(listIter);
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m_windowAttributes.erase(it);
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}
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return true;
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}
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bool AbstractWindowContext::eventFilter(QObject *obj, QEvent *event) {
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if (obj == m_windowHandle && sharedDispatch(obj, event)) {
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return true;
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}
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return QObject::eventFilter(obj, event);
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}
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bool AbstractWindowContext::windowAttributeChanged(const QString &key,
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const QVariant &attribute,
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const QVariant &oldAttribute) {
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return false;
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}
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void AbstractWindowContext::removeSystemButtonsAndHitTestItems() {
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for (auto &button : m_systemButtons) {
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if (!button) {
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continue;
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}
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button = nullptr;
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}
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m_hitTestVisibleItems.clear();
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}
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}
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