path: root/src/plugins/platforms/wasm/qwasmwindowtreenode.cpp

// Copyright (C) 2023 The Qt Company Ltd.// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only#include"qwasmwindowtreenode.h"#include"qwasmwindow.h"#include"qwasmscreen.h"uint64_tQWasmWindowTreeNode::s_nextActiveIndex =0;QWasmWindowTreeNode::QWasmWindowTreeNode():m_childStack(std::bind(&QWasmWindowTreeNode::onTopWindowChanged,this)){}QWasmWindowTreeNode::~QWasmWindowTreeNode() =default;voidQWasmWindowTreeNode::shutdown(){ QWasmWindow *window =asWasmWindow();if(!window ||!window->window() ||(QGuiApplication::focusWindow() &&// Don't act if we have a focus window different from thisQGuiApplication::focusWindow() != window->window()))return;// Make a list of all windows sorted on active index.// Skip windows with active index 0 as they have// never been active.std::map<uint64_t, QWasmWindow *> allWindows;for(constauto&w : window->platformScreen()->allWindows()) {if(w->getActiveIndex() >0) allWindows.insert({w->getActiveIndex(), w});}// window is not in all windowsif(window->getActiveIndex() >0) allWindows.insert({window->getActiveIndex(), window});if(allWindows.size() >=2) {constauto lastIt =std::prev(allWindows.end());constauto prevIt =std::prev(lastIt);constauto lastW = lastIt->second;constauto prevW = prevIt->second;if(lastW == window)// Only act if window is last to be active prevW->requestActivateWindow();}}voidQWasmWindowTreeNode::onParentChanged(QWasmWindowTreeNode *previousParent, QWasmWindowTreeNode *currentParent,QWasmWindowStack::PositionPreference positionPreference){auto*window =asWasmWindow();if(previousParent) { previousParent->m_childStack.removeWindow(window); previousParent->onSubtreeChanged(QWasmWindowTreeNodeChangeType::NodeRemoval, previousParent, window);}if(currentParent) { currentParent->m_childStack.pushWindow(window, positionPreference); currentParent->onSubtreeChanged(QWasmWindowTreeNodeChangeType::NodeInsertion, currentParent, window);}} QWasmWindow *QWasmWindowTreeNode::asWasmWindow(){returnnullptr;}voidQWasmWindowTreeNode::onSubtreeChanged(QWasmWindowTreeNodeChangeType changeType, QWasmWindowTreeNode *parent, QWasmWindow *child){if(changeType ==QWasmWindowTreeNodeChangeType::NodeInsertion && parent ==this&& m_childStack.topWindow()&& m_childStack.topWindow()->window()) {constauto flags = m_childStack.topWindow()->window()->flags();const bool notToolOrPopup = ((flags &Qt::ToolTip) !=Qt::ToolTip) && ((flags &Qt::Popup) !=Qt::Popup);const QVariant showWithoutActivating = m_childStack.topWindow()->window()->property("_q_showWithoutActivating");if(!showWithoutActivating.isValid() || !showWithoutActivating.toBool()) {if(notToolOrPopup) m_childStack.topWindow()->requestActivateWindow();}}if(parentNode())parentNode()->onSubtreeChanged(changeType, parent, child);}voidQWasmWindowTreeNode::setWindowZOrder(QWasmWindow *window,int z){ window->setZOrder(z);}voidQWasmWindowTreeNode::onPositionPreferenceChanged(QWasmWindowStack::PositionPreference positionPreference){if(parentNode()) {parentNode()->m_childStack.windowPositionPreferenceChanged(asWasmWindow(), positionPreference);}}voidQWasmWindowTreeNode::setAsActiveNode(){if(parentNode())parentNode()->setActiveChildNode(asWasmWindow());// At the end, this is a recursive function m_activeIndex = ++s_nextActiveIndex;}voidQWasmWindowTreeNode::bringToTop(){if(!parentNode())return;parentNode()->m_childStack.raise(asWasmWindow());parentNode()->bringToTop();}voidQWasmWindowTreeNode::sendToBottom(){if(!parentNode())return; m_childStack.lower(asWasmWindow());}voidQWasmWindowTreeNode::onTopWindowChanged(){constexprint zOrderForElementInFrontOfScreen =3;int z = zOrderForElementInFrontOfScreen;std::for_each(m_childStack.rbegin(), m_childStack.rend(),[this, &z](QWasmWindow *window) {setWindowZOrder(window, z++); });}voidQWasmWindowTreeNode::setActiveChildNode(QWasmWindow *activeChild){ m_activeChild = activeChild;auto it = m_childStack.begin();if(it == m_childStack.end())return;for(; it != m_childStack.end(); ++it)(*it)->onActivationChanged(*it == m_activeChild);setAsActiveNode();}