mirror of
https://github.com/linuxdeepin/dde-dock.git
synced 2025-06-04 09:23:03 +00:00
309 lines
9.9 KiB
C++
309 lines
9.9 KiB
C++
/*
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* Copyright (C) 2018 ~ 2028 Uniontech Technology Co., Ltd.
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*
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* Author: fanpengcheng <fanpengcheng@uniontech.com>
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*
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* Maintainer: fanpengcheng <fanpengcheng@uniontech.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 "displaymanager.h"
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#include "utils.h"
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#include <QScreen>
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#include <QApplication>
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#include <QDBusConnection>
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#include <QDesktopWidget>
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DisplayManager::DisplayManager(QObject *parent)
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: QObject(parent)
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, m_display(new DisplayInter("com.deepin.daemon.Display", "/com/deepin/daemon/Display", QDBusConnection::sessionBus(), this))
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, m_delayTimer(new QTimer(this))
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, m_gsettings(Utils::SettingsPtr("com.deepin.dde.dock.mainwindow", "/com/deepin/dde/dock/mainwindow/", this))
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, m_onlyInPrimary(Utils::SettingValue("com.deepin.dde.dock.mainwindow", "/com/deepin/dde/dock/mainwindow/", "onlyShowPrimary", false).toBool())
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{
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connect(qApp, &QApplication::primaryScreenChanged, this, &DisplayManager::primaryScreenChanged);
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connect(QApplication::desktop(), &QDesktopWidget::screenCountChanged, this, &DisplayManager::screenCountChanged);
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connect(m_delayTimer, &QTimer::timeout, this, [ = ] {
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updateScreenDockInfo();
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#ifdef QT_DEBUG
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qInfo() << m_screenPositionMap;
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#endif
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Q_EMIT screenInfoChanged();
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});
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if (m_gsettings)
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connect(m_gsettings, &QGSettings::changed, this, &DisplayManager::onGSettingsChanged);
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m_delayTimer->setInterval(10);
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m_delayTimer->setSingleShot(true);
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screenCountChanged();
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updateScreenDockInfo();
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}
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/**
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* @brief DisplayManager::screens
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* @return 返回当前可用的QScreen指针列表
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*/
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QList<QScreen *> DisplayManager::screens() const
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{
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return m_screens;
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}
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/**
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* @brief DisplayManager::screen
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* @param screenName
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* @return 根据screenName参数找到对应的QScreen指针返回，否则返回nullptr
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*/
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QScreen *DisplayManager::screen(const QString &screenName) const
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{
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for (auto s : m_screens) {
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if (s->name() == screenName)
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return s;
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}
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qWarning() << "Screen: " << screenName << " can`t be found!";
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return nullptr;
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}
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/**
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* @brief DisplayManager::primary
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* @return 主屏幕名称
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*/
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QString DisplayManager::primary() const
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{
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return qApp->primaryScreen() ? qApp->primaryScreen()->name() : QString();
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}
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/**
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* @brief Display::screenWidth
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* @return 所有屏幕逻辑宽度之和
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*/
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int DisplayManager::screenRawWidth() const
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{
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int width = 0;
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for (auto s : m_screens) {
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width = qMax(width, s->geometry().x() + int(s->geometry().width() * s->devicePixelRatio()));
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}
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return width;
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}
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/**
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* @brief Display::screenHeight
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* @return 所有屏幕逻辑高度之和
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*/
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int DisplayManager::screenRawHeight() const
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{
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int height = 0;
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for (auto s : m_screens) {
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height = qMax(height, s->geometry().y() + int(s->geometry().height() * s->devicePixelRatio()));
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}
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return height;
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}
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/**
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* @brief DisplayManager::canDock
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* @param s QScreen指针
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* @param pos 任务栏位置（上下左右）
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* @return 判断当前s屏幕上pos位置任务栏位置是否允许停靠
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*/
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bool DisplayManager::canDock(QScreen *s, Position pos) const
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{
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return s ? m_screenPositionMap[s].value(pos) : false;
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}
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/**
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* @brief DisplayManager::updateScreenDockInfo
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* 更新屏幕停靠信息
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*/
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void DisplayManager::updateScreenDockInfo()
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{
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// TODO 目前仅仅支持双屏，如果超过双屏，会出现异常，这里可以考虑做成通用的处理规则
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// 先清除原先的数据，然后再更新
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m_screenPositionMap.clear();
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if (m_screens.isEmpty())
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return;
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// reset map
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for (auto s : m_screens) {
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QMap <Position, bool> map;
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map.insert(Position::Top, true);
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map.insert(Position::Bottom, true);
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map.insert(Position::Left, true);
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map.insert(Position::Right, true);
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m_screenPositionMap.insert(s, map);
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}
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// 仅显示在主屏时的处理
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if (m_onlyInPrimary) {
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for (auto s : m_screens) {
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if (s != qApp->primaryScreen()) {
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QMap <Position, bool> map;
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map.insert(Position::Top, false);
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map.insert(Position::Bottom, false);
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map.insert(Position::Left, false);
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map.insert(Position::Right, false);
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m_screenPositionMap.insert(s, map);
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}
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}
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return;
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}
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if (m_screens.size() == 1) {
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return;
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}
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// 最多支持双屏,这里只计算双屏,单屏默认四边均可停靠任务栏
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if (m_screens.size() == 2) {
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QRect s0 = m_screens.at(0)->geometry();
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s0.setSize(s0.size() * m_screens.at(0)->devicePixelRatio());
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QRect s1 = m_screens.at(1)->geometry();
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s1.setSize(s1.size() * m_screens.at(1)->devicePixelRatio());
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qInfo() << "monitor info changed" << m_screens.at(0)->name() << s0 << m_screens.at(1)->name() << s1;
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int s0top = s0.y();
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int s0bottom = s0.y() + s0.height();
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int s0left = s0.x();
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int s0Right = s0.x() + s0.width();
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int s1top = s1.y();
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int s1bottom = s1.y() + s1.height();
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int s1left = s1.x();
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int s1Right = s1.x() + s1.width();
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QPoint s0topLeft = QPoint(s0.x(), s0.y());
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QPoint s0topRight = QPoint(s0.x()+ s0.width(), s0.y());
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QPoint s0bottomRight = QPoint(s0.x()+ s0.width(), s0.y() + s0.height());
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QPoint s0bottomLeft = QPoint(s0.x(), s0.y() + s0.height());
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QPoint s1topLeft = QPoint(s1.x(), s1.y());
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QPoint s1topRight = QPoint(s1.x() + s1.width(), s1.y());
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QPoint s1bottomRight = QPoint(s1.x() + s1.width(), s1.y() + s1.height());
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QPoint s1bottomLeft = QPoint(s1.x(), s1.y() + s1.height());
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// 对角拼接，重置，默认均可停靠
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if (s0bottomRight == s1topLeft
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|| s0topRight == s1bottomRight) {
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return;
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}
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// 左右拼接，s0左，s1右
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if (s0Right == s1left
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&& (s0topRight == s1topLeft || s0bottomRight == s1bottomLeft)) {
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m_screenPositionMap[m_screens.at(0)].insert(Position::Right, false);
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m_screenPositionMap[m_screens.at(1)].insert(Position::Left, false);
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return;
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}
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// 左右拼接，s0右，s1左
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if (s0left== s1Right
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&& (s0topRight == s1topRight || s0bottomLeft == s1bottomRight)) {
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m_screenPositionMap[m_screens.at(0)].insert(Position::Left, false);
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m_screenPositionMap[m_screens.at(1)].insert(Position::Right, false);
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return;
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}
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// 上下拼接，s0上，s1下
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if (s0bottom == s1top
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&& (s0bottomLeft == s1topLeft || s0bottomRight == s1topRight)) {
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m_screenPositionMap[m_screens.at(0)].insert(Position::Bottom, false);
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m_screenPositionMap[m_screens.at(1)].insert(Position::Top, false);
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return;
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}
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// 上下拼接，s0下，s1上
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if (s0top == s1bottom
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&& (s0topLeft == s1bottomLeft || s0topRight == s1bottomRight)) {
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m_screenPositionMap[m_screens.at(0)].insert(Position::Top, false);
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m_screenPositionMap[m_screens.at(1)].insert(Position::Bottom, false);
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return;
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}
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return;
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}
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// 目前不支持链接超过两个以上的显示器
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Q_UNREACHABLE();
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}
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/**
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* @brief DisplayManager::screenCountChanged
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* 屏幕数量发生变化时，此函数应被调用，更新屏幕相关信息
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* @note 除初始化时需要手动调用一次外，其他时间会自动被调用
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*/
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void DisplayManager::screenCountChanged()
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{
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// 找到过期的screen指针
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QList<QScreen *> to_remove_list;
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for (auto s : m_screens) {
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if (!qApp->screens().contains(s))
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to_remove_list.append(s);
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}
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// 找出新增的screen指针
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QList<QScreen *> to_add_list;
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for (auto s : qApp->screens()) {
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if (!m_screens.contains(s)) {
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to_add_list.append(s);
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}
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}
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// 取消关联
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for (auto s : to_remove_list) {
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disconnect(s);
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m_screens.removeOne(s);
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}
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// 创建关联
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for (auto s : to_add_list) {
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s->setOrientationUpdateMask(Qt::PrimaryOrientation
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| Qt::LandscapeOrientation
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| Qt::PortraitOrientation
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| Qt::InvertedLandscapeOrientation
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| Qt::InvertedPortraitOrientation);
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connect(s, &QScreen::geometryChanged, m_delayTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
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connect(s, &QScreen::primaryOrientationChanged, m_delayTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
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connect(s, &QScreen::orientationChanged, m_delayTimer, static_cast<void (QTimer::*)()>(&QTimer::start));
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m_screens.append(s);
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}
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// 屏幕数量发生变化，应该刷新一下任务栏的显示
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m_delayTimer->start();
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}
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/**
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* @brief DisplayManager::onGSettingsChanged
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* @param key
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* 监听onlyShowPrimary配置的变化，此时有变化时应该刷新一下任务栏的显示信息
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*/
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void DisplayManager::onGSettingsChanged(const QString &key)
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{
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if (key == "onlyShowPrimary") {
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m_onlyInPrimary = Utils::SettingValue("com.deepin.dde.dock.mainwindow", "/com/deepin/dde/dock/mainwindow/", "onlyShowPrimary", false).toBool();
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updateScreenDockInfo();
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m_delayTimer->start();
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}
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}
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