// Copyright (C) 2023-2024 Stdware Collections (https://www.github.com/stdware)
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// Copyright (C) 2021-2023 wangwenx190 (Yuhang Zhao)
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// SPDX-License-Identifier: Apache-2.0
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#include "widgetwindowagent.h"
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#include "widgetwindowagent_p.h"
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#include <QtGui/QtEvents>
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#include <QtGui/QPainter>
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#include <QtCore/QDebug>
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#include "widgetitemdelegate_p.h"
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namespace QWK {
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/*!
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\class WidgetWindowAgent
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\brief WindowAgentBase is the window agent for QtWidgets.
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It provides interfaces for QtWidgets and processes some Qt events related to the QWidget
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instance.
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*/
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WidgetWindowAgentPrivate::WidgetWindowAgentPrivate() = default;
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WidgetWindowAgentPrivate::~WidgetWindowAgentPrivate() = default;
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void WidgetWindowAgentPrivate::init() {
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}
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/*!
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Constructs a widget agent, it's better to set the widget to setup as \a parent.
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*/
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WidgetWindowAgent::WidgetWindowAgent(QObject *parent)
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: WidgetWindowAgent(*new WidgetWindowAgentPrivate(), parent) {
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}
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/*!
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Destructor.
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*/
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WidgetWindowAgent::~WidgetWindowAgent() = default;
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/*!
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Installs the window agent on the widget. The window agent will take over some of the window
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events, making the window look frameless.
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*/
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bool WidgetWindowAgent::setup(QWidget *w) {
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Q_ASSERT(w);
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if (!w) {
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return false;
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}
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Q_D(WidgetWindowAgent);
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if (d->hostWidget) {
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return false;
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}
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// Qt will create invisible native window container for native QWidget
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// without this attribute, and this behavior will break QWK functionality.
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// So far enabling this attribute is a must for QWK users.
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w->setAttribute(Qt::WA_DontCreateNativeAncestors);
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// Make sure the native window handle is actually created before we apply
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// various hooks.
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//w->setAttribute(Qt::WA_NativeWindow); // ### FIXME: Check
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d->setup(w, new WidgetItemDelegate());
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d->hostWidget = w;
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#if defined(Q_OS_WINDOWS) && QWINDOWKIT_CONFIG(ENABLE_WINDOWS_SYSTEM_BORDERS)
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d->setupWindows10BorderWorkaround();
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#endif
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return true;
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}
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/*!
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Returns the title bar widget.
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*/
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QWidget *WidgetWindowAgent::titleBar() const {
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Q_D(const WidgetWindowAgent);
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return static_cast<QWidget *>(d->context->titleBar());
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}
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/*!
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Sets the title bar widget, all system button and hit-test visible widget references that
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have been set will be removed.
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*/
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void WidgetWindowAgent::setTitleBar(QWidget *w) {
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Q_D(WidgetWindowAgent);
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if (!d->context->setTitleBar(w)) {
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return;
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}
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#ifdef Q_OS_MAC
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setSystemButtonArea(nullptr);
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#endif
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Q_EMIT titleBarChanged(w);
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}
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/*!
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Returns the system button of the given type.
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*/
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QWidget *WidgetWindowAgent::systemButton(SystemButton button) const {
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Q_D(const WidgetWindowAgent);
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return static_cast<QWidget *>(d->context->systemButton(button));
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}
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/*!
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Sets the system button of the given type, the system buttons always receive mouse events so
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you don't need to call \c setHitTestVisible for them.
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*/
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void WidgetWindowAgent::setSystemButton(SystemButton button, QWidget *w) {
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Q_D(WidgetWindowAgent);
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if (!d->context->setSystemButton(button, w)) {
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return;
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}
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Q_EMIT systemButtonChanged(button, w);
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}
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/*!
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Returns \a true if the widget can receive mouse events on title bar.
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*/
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bool WidgetWindowAgent::isHitTestVisible(const QWidget *w) const {
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Q_D(const WidgetWindowAgent);
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return d->context->isHitTestVisible(w);
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}
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/*!
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Makes the widget able to receive mouse events on title bar if \a visible is \c true.
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You're supposed to make sure that the specified widget \a w is a child or descendant
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of the title bar widget.
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*/
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void WidgetWindowAgent::setHitTestVisible(QWidget *w, bool visible) {
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Q_D(WidgetWindowAgent);
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d->context->setHitTestVisible(w, visible);
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}
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/*!
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\internal
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*/
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WidgetWindowAgent::WidgetWindowAgent(WidgetWindowAgentPrivate &d, QObject *parent)
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: WindowAgentBase(d, parent) {
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d.init();
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}
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/*!
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\fn void WidgetWindowAgent::titleBarChanged(const QWidget *w)
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This signal is emitted when the title bar widget is replaced.
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*/
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/*!
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\fn void WidgetWindowAgent::systemButtonChanged(SystemButton button, const QWidget *w)
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This signal is emitted when a system button is replaced.
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*/
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}
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