mirror of
https://github.com/linuxdeepin/dde-dock.git
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73aee6b7f5
添加编译参数，按照提示修复检测到的内存泄露问题 Log: 修复代码中的内存泄露 Task: https://pms.uniontech.com/zentao/task-view-77025.html Change-Id: I4a946444ed8c2f77bde65dd3ae149ef38d7af113
413 lines
12 KiB
C++
413 lines
12 KiB
C++
/*
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* Copyright (C) 2011 ~ 2018 Deepin Technology Co., Ltd.
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*
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* Author: listenerri <listenerri@gmail.com>
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*
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* Maintainer: listenerri <listenerri@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "../appitem.h"
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#include "appdragwidget.h"
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#include "utils.h"
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class AppGraphicsObject : public QGraphicsObject
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{
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public:
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explicit AppGraphicsObject(QGraphicsItem *parent = Q_NULLPTR) : QGraphicsObject(parent) {}
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~AppGraphicsObject() override { }
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void setAppPixmap(QPixmap pix)
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{
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m_appPixmap = pix;
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resetProperty();
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update();
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}
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void resetProperty()
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{
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setScale(1.0);
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setRotation(0);
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setOpacity(1.0);
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update();
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}
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QRectF boundingRect() const override
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{
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return m_appPixmap.rect();
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}
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = Q_NULLPTR) override {
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Q_ASSERT(!m_appPixmap.isNull());
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painter->drawPixmap(QPoint(0, 0), m_appPixmap);
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}
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private:
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QPixmap m_appPixmap;
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};
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AppDragWidget::AppDragWidget(QWidget *parent)
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: QGraphicsView(parent)
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, m_object(new AppGraphicsObject)
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, m_scene(new QGraphicsScene(this))
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, m_followMouseTimer(new QTimer(this))
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, m_animScale(new QPropertyAnimation(m_object, "scale", this))
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, m_animRotation(new QPropertyAnimation(m_object, "rotation", this))
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, m_animOpacity(new QPropertyAnimation(m_object, "opacity", this))
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, m_animGroup(new QParallelAnimationGroup(this))
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, m_goBackAnim(new QPropertyAnimation(this, "pos", this))
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, m_removeTips(new TipsWidget(this))
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, m_popupWindow(nullptr)
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, m_distanceMultiple(Utils::SettingValue("com.deepin.dde.dock.distancemultiple", "/com/deepin/dde/dock/distancemultiple/", "distance-multiple", 1.5).toDouble())
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{
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m_removeTips->setText(tr("Remove"));
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m_removeTips->setObjectName("AppRemoveTips");
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m_removeTips->setVisible(false);
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m_removeTips->installEventFilter(this);
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DockPopupWindow *arrowRectangle = new DockPopupWindow(nullptr);
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arrowRectangle->setShadowBlurRadius(20);
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arrowRectangle->setRadius(18);
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arrowRectangle->setShadowYOffset(2);
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arrowRectangle->setShadowXOffset(0);
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arrowRectangle->setArrowWidth(18);
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arrowRectangle->setArrowHeight(10);
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m_popupWindow = arrowRectangle;
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m_popupWindow->setRadius(18);
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m_scene->addItem(m_object);
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setScene(m_scene);
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setWindowFlags(Qt::WindowStaysOnTopHint | Qt::X11BypassWindowManagerHint);
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setAttribute(Qt::WA_TranslucentBackground);
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viewport()->setAutoFillBackground(false);
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setFrameShape(QFrame::NoFrame);
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setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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setMouseTracking(true);
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setAcceptDrops(true);
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initAnimations();
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m_followMouseTimer->setSingleShot(false);
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m_followMouseTimer->setInterval(1);
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connect(m_followMouseTimer, &QTimer::timeout, [this] {
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QPoint destPos = QCursor::pos();
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if (DWindowManagerHelper::instance()->hasComposite()) {
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move(destPos.x() - width() / 2, destPos.y() - height() / 2);
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} else {
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move(destPos.x(), destPos.y()); //窗口特效未开启时会隐藏m_object绘制的图标，移动的图标为QDrag绘制的图标，大小为(10,10)
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}
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});
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m_followMouseTimer->start();
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}
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AppDragWidget::~AppDragWidget()
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{
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delete m_popupWindow;
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delete m_object;
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}
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void AppDragWidget::mouseMoveEvent(QMouseEvent *event)
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{
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QGraphicsView::mouseMoveEvent(event);
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// hide widget when receiving mouseMoveEvent because this means drag-and-drop has been finished
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if (m_goBackAnim->state() != QPropertyAnimation::State::Running
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&& m_animGroup->state() != QParallelAnimationGroup::Running) {
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hide();
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}
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}
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void AppDragWidget::dragEnterEvent(QDragEnterEvent *event)
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{
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event->accept();
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m_bDragDrop = true;
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}
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void AppDragWidget::dragMoveEvent(QDragMoveEvent *event)
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{
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Q_UNUSED(event);
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showRemoveTips();
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if (isRemoveItem() && m_bDragDrop) {
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emit requestRemoveItem();
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}
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}
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const QPoint AppDragWidget::topleftPoint() const
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{
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QPoint p;
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const QWidget *w = this;
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do {
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p += w->pos();
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w = qobject_cast<QWidget *>(w->parent());
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} while (w);
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return p;
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}
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const QPoint AppDragWidget::popupMarkPoint(Dock::Position pos)
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{
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QPoint p(topleftPoint());
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QRect r = rect();
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//关闭特效,原本的图标设置小,然后隐藏,需要手动设置大小保证tips位置正确
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if (!DWindowManagerHelper::instance()->hasComposite()) {
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r.setWidth(m_iconSize.width() + 3);
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r.setHeight(m_iconSize.height() + 3);
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}
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switch (pos) {
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case Top:
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p += QPoint(r.width() / 2, r.height());
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break;
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case Bottom:
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if (!DWindowManagerHelper::instance()->hasComposite()) {
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p += QPoint(0 , -r.height() / 2);
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} else {
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p += QPoint(r.width() / 2, 0);
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}
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break;
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case Left:
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p += QPoint(r.width(), r.height() / 2);
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break;
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case Right:
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p += QPoint(0, r.height() / 2);
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break;
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}
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return p;
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}
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void AppDragWidget::dropEvent(QDropEvent *event)
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{
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m_followMouseTimer->stop();
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m_bDragDrop = false;
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if (isRemoveAble(QCursor::pos())) {
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if (DWindowManagerHelper::instance()->hasComposite()) {
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showRemoveAnimation();
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} else {
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hide();
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}
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AppItem *appItem = static_cast<AppItem *>(event->source());
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appItem->undock();
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m_popupWindow->setVisible(false);
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} else {
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if (DWindowManagerHelper::instance()->hasComposite()) {
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showGoBackAnimation();
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} else {
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hide();
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}
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}
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}
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void AppDragWidget::hideEvent(QHideEvent *event)
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{
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deleteLater();
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}
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void AppDragWidget::setAppPixmap(const QPixmap &pix)
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{
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if (DWindowManagerHelper::instance()->hasComposite()) {
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// QSize(3, 3) to fix pixmap be cliped
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setFixedSize(pix.size() + QSize(3, 3));
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} else {
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setFixedSize(QSize(10, 10));
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}
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m_iconSize = pix.size();
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m_object->setAppPixmap(pix);
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m_object->setTransformOriginPoint(pix.rect().center());
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}
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void AppDragWidget::setDockInfo(Dock::Position dockPosition, const QRect &dockGeometry)
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{
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m_dockPosition = dockPosition;
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m_dockGeometry = dockGeometry;
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}
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void AppDragWidget::setOriginPos(const QPoint position)
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{
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m_originPoint = position;
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}
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void AppDragWidget::initAnimations()
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{
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m_animScale->setDuration(300);
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m_animScale->setStartValue(1.0);
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m_animScale->setEndValue(0.0);
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m_animRotation->setDuration(300);
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m_animRotation->setStartValue(0);
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m_animRotation->setEndValue(90);
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m_animOpacity->setDuration(300);
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m_animOpacity->setStartValue(1.0);
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m_animOpacity->setEndValue(0.0);
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m_animGroup->addAnimation(m_animScale);
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m_animGroup->addAnimation(m_animRotation);
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m_animGroup->addAnimation(m_animOpacity);
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connect(m_animGroup, &QParallelAnimationGroup::stateChanged,
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this, &AppDragWidget::onRemoveAnimationStateChanged);
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connect(m_goBackAnim, &QPropertyAnimation::finished, this, &AppDragWidget::hide);
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}
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void AppDragWidget::showRemoveAnimation()
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{
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if (m_animGroup->state() == QParallelAnimationGroup::Running) {
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m_animGroup->stop();
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}
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m_object->resetProperty();
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m_animGroup->start();
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}
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void AppDragWidget::showGoBackAnimation()
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{
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m_goBackAnim->setDuration(300);
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m_goBackAnim->setStartValue(pos());
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m_goBackAnim->setEndValue(m_originPoint);
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m_goBackAnim->start();
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}
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void AppDragWidget::onRemoveAnimationStateChanged(QAbstractAnimation::State newState,
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QAbstractAnimation::State oldState)
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{
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if (newState == QAbstractAnimation::Stopped) {
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hide();
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}
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}
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/**
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* @brief 判断图标拖到一定高度后是否可以移除
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* @param curPos 当前鼠标所在位置
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* @return true
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* @return false
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*/
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bool AppDragWidget::isRemoveAble(const QPoint &curPos)
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{
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const QPoint &p = curPos;
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switch (m_dockPosition) {
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case Dock::Position::Left:
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if ((p.x() - m_dockGeometry.topRight().x()) > (m_dockGeometry.width() * m_distanceMultiple)) {
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return true;
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}
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break;
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case Dock::Position::Top:
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if ((p.y() - m_dockGeometry.bottomLeft().y()) > (m_dockGeometry.height() * m_distanceMultiple)) {
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return true;
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}
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break;
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case Dock::Position::Right:
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if ((m_dockGeometry.topLeft().x() - p.x()) > (m_dockGeometry.width() * m_distanceMultiple)) {
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return true;
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}
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break;
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case Dock::Position::Bottom:
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if ((m_dockGeometry.topLeft().y() - p.y()) > (m_dockGeometry.height() * m_distanceMultiple)) {
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return true;
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}
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break;
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default:
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break;
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}
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return false;
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}
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/**
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* @brief 判断应用区域图标是否拖出任务栏
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*
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* @return true
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* @return false
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*/
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bool AppDragWidget::isRemoveItem()
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{
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const QPoint &p = QCursor::pos();
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switch (m_dockPosition) {
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case Dock::Position::Left:
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if ((p.x() > m_dockGeometry.topRight().x())) {
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return true;
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}
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break;
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case Dock::Position::Top:
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if ((p.y() > m_dockGeometry.bottomLeft().y())) {
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return true;
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}
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break;
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case Dock::Position::Right:
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if ((m_dockGeometry.topLeft().x() > p.x())) {
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return true;
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}
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break;
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case Dock::Position::Bottom:
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if ((m_dockGeometry.topLeft().y() > p.y())) {
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return true;
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}
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break;
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}
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return false;
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}
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void AppDragWidget::enterEvent(QEvent *event)
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{
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if (m_goBackAnim->state() != QPropertyAnimation::State::Running
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&& m_animGroup->state() != QParallelAnimationGroup::Running) {
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hide();
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}
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}
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void AppDragWidget::showRemoveTips()
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{
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bool model = true;
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Dock::Position pos = Dock::Position::Bottom;
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DockPopupWindow *popup = m_popupWindow;
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if (isRemoveAble(QCursor::pos())) {
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QWidget *lastContent = popup->getContent();
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if (lastContent)
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lastContent->setVisible(false);
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switch (pos) {
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case Top: popup->setArrowDirection(DockPopupWindow::ArrowTop); break;
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case Bottom: popup->setArrowDirection(DockPopupWindow::ArrowBottom); break;
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case Left: popup->setArrowDirection(DockPopupWindow::ArrowLeft); break;
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case Right: popup->setArrowDirection(DockPopupWindow::ArrowRight); break;
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}
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popup->resize(m_removeTips->sizeHint());
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popup->setContent(m_removeTips);
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const QPoint p = popupMarkPoint(pos);
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if (!popup->isVisible())
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QMetaObject::invokeMethod(popup, "show", Qt::QueuedConnection, Q_ARG(QPoint, p), Q_ARG(bool, model));
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else
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popup->show(p, model);
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m_object->setOpacity(0.5);
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m_animOpacity->setStartValue(0.5);
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} else {
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m_object->setOpacity(1.0);
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m_animOpacity->setStartValue(1.0);
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if (popup->isVisible())
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popup->setVisible(false);
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}
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}
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void AppDragWidget::moveEvent(QMoveEvent *event)
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{
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Q_UNUSED(event);
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showRemoveTips();
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}
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