104 lines
3.6 KiB
C++
104 lines
3.6 KiB
C++
/*
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* Copyright (C) 2020, KylinSoft Co., Ltd.
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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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* (at your option) 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 <https://www.gnu.org/licenses/>.
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*/
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#include "adaptscreeninfo.h"
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adaptScreenInfo::adaptScreenInfo(QObject *parent) : QObject(parent)
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{
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//返回桌面小部件（也称为根窗口）。
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//桌面可能由多个屏幕组成，因此尝试在窗口的几何图形中居中某个窗口小部件是不正确的
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m_pDeskWgt = QApplication::desktop();
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//初始化主屏坐标
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InitializeHomeScreenGeometry();
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//初始化屏幕宽高
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initScreenSize();
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//当改变屏幕分辨率时 重新计算 主屏坐标 屏幕宽高
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connect(QApplication::primaryScreen(), &QScreen::geometryChanged, this, &adaptScreenInfo::onResolutionChanged);
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//主屏发生变化槽函数 重新计算 主屏坐标 屏幕宽高
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connect(m_pDeskWgt, &QDesktopWidget::primaryScreenChanged, this, &adaptScreenInfo::primaryScreenChangedSlot);
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//屏幕数量改变时 重新计算 主屏坐标 屏幕宽高
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connect(m_pDeskWgt, &QDesktopWidget::screenCountChanged, this, &adaptScreenInfo::screenCountChangedSlots);
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//屏幕list
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m_pListScreen = QGuiApplication::screens();
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}
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/* 当屏幕数量发生改变时，重新赋值m_pListScreen 未发现调用 */
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void adaptScreenInfo::screenNumChange()
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{
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m_pListScreen = QGuiApplication::screens();
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}
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/* 初始化屏幕高度， 宽度 */
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void adaptScreenInfo::initScreenSize()
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{
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QList<QScreen*> screen = QGuiApplication::screens();
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int count = m_pDeskWgt->screenCount();
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if (count > 1) {
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m_screenWidth = screen[0]->geometry().width() + m_nScreen_x;
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m_screenHeight = screen[0]->geometry().height() + m_nScreen_y;
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} else {
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m_screenWidth = m_pDeskWgt->width() + m_nScreen_x;
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m_screenHeight = m_pDeskWgt->height() + m_nScreen_y;
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}
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qDebug() << "屏幕高度m_screenWidth" << m_screenWidth;
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qDebug() << "屏幕宽度m_screenHeight" << m_screenHeight;
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return;
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}
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/* 初始化主屏坐标 */
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void adaptScreenInfo::InitializeHomeScreenGeometry()
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{
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QList<QScreen*> screen = QGuiApplication::screens();
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int count = m_pDeskWgt->screenCount();
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if (count > 1) {
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m_nScreen_x = screen[0]->geometry().x();
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m_nScreen_y = screen[0]->geometry().y();
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} else {
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m_nScreen_x = 0;
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m_nScreen_y = 0;
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}
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qDebug() << "偏移的x坐标" << m_nScreen_x;
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qDebug() << "偏移的Y坐标" << m_nScreen_y;
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}
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//当改变屏幕分辨率时重新获取屏幕分辨率
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void adaptScreenInfo::onResolutionChanged(const QRect argc)
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{
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Q_UNUSED(argc);
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initScreenSize(); //获取屏幕可用高度区域
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InitializeHomeScreenGeometry();
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return;
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}
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/* 主屏发生变化槽函数 */
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void adaptScreenInfo::primaryScreenChangedSlot()
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{
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InitializeHomeScreenGeometry();
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initScreenSize();
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return;
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}
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/* 屏幕数量改变时对应槽函数 */
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void adaptScreenInfo::screenCountChangedSlots(int count)
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{
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Q_UNUSED(count);
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InitializeHomeScreenGeometry();
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initScreenSize();
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return;
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}
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