framelesshelper/examples/widget/widget.cpp

/*
 * MIT License
 *
 * Copyright (C) 2022 by wangwenx190 (Yuhang Zhao)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "widget.h"
#include <QtCore/qdatetime.h>
#include <QtGui/qpainter.h>
#include <QtWidgets/qboxlayout.h>
#include <QtWidgets/qlabel.h>
#include <QtWidgets/qpushbutton.h>
#include <framelesswindowsmanager.h>

FRAMELESSHELPER_USE_NAMESPACE

static const QColor systemLightColor = QStringLiteral("#f0f0f0");
static const QColor systemDarkColor = QColor::fromRgb(32, 32, 32);

static constexpr const char mainStyleSheet[] = R"(
#MainWidget {
    background-color: %1;
}

#TitleBarWidget {
    background-color: %2;
}

#WindowTitleLabel {
    color: %3;
}

#MinimizeButton, #MaximizeButton, #CloseButton {
    border-style: none;
    background-color: transparent;
}

#MinimizeButton:hover, #MaximizeButton:hover {
    background-color: #c7c7c7;
}

#MinimizeButton:pressed, #MaximizeButton:pressed {
    background-color: #808080;
}

#CloseButton:hover {
    background-color: #e81123;
}

#CloseButton:pressed {
    background-color: #8c0a15;
}

#ClockLabel {
    color: %4;
}
)";

Widget::Widget(QWidget *parent) : QWidget(parent)
{
    setAttribute(Qt::WA_DontCreateNativeAncestors);
    createWinId();
    //setupUi();
    //startTimer(500);
}

Widget::~Widget() = default;

void Widget::showEvent(QShowEvent *event)
{
    QWidget::showEvent(event);
    static bool inited = false;
    if (!inited) {
        inited = true;
        FramelessWindowsManager::addWindow(windowHandle());
    }
}

void Widget::timerEvent(QTimerEvent *event)
{
    QWidget::timerEvent(event);
    if (m_clockLabel) {
        m_clockLabel->setText(QTime::currentTime().toString(QStringLiteral("hh:mm:ss")));
    }
}

void Widget::changeEvent(QEvent *event)
{
    QWidget::changeEvent(event);
#if 0
    bool shouldUpdate = false;
    if (event->type() == QEvent::WindowStateChange) {
        if (isMaximized() || isFullScreen()) {
            setContentsMargins(0, 0, 0, 0);
        } else if (!isMinimized()) {
            const auto margin = static_cast<int>(qRound(frameBorderThickness()));
            setContentsMargins(margin, margin, margin, margin);
        }
        updateSystemButtonIcons();
        updateTitleBarSize();
        shouldUpdate = true;
    } else if (event->type() == QEvent::ActivationChange) {
        shouldUpdate = true;
    }
    if (shouldUpdate) {
        updateStyleSheet();
    }
#endif
}

void Widget::paintEvent(QPaintEvent *event)
{
    QWidget::paintEvent(event);
}

void Widget::setupUi()
{
#if 0
    setObjectName(QStringLiteral("MainWidget"));
    setWindowTitle(tr("Hello, World!"));
    resize(800, 600);
    m_titleBarWidget = new QWidget(this);
    m_titleBarWidget->setObjectName(QStringLiteral("TitleBarWidget"));
    m_titleBarWidget->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
    m_windowTitleLabel = new QLabel(m_titleBarWidget);
    m_windowTitleLabel->setObjectName(QStringLiteral("WindowTitleLabel"));
    m_windowTitleLabel->setFrameShape(QFrame::NoFrame);
    QFont titleFont = font();
    titleFont.setPointSize(11);
    m_windowTitleLabel->setFont(titleFont);
    m_windowTitleLabel->setText(windowTitle());
    connect(this, &Widget::windowTitleChanged, m_windowTitleLabel, &QLabel::setText);
    m_minimizeButton = new QPushButton(m_titleBarWidget);
    m_minimizeButton->setObjectName(QStringLiteral("MinimizeButton"));
    connect(m_minimizeButton, &QPushButton::clicked, this, &Widget::showMinimized);
    m_maximizeButton = new QPushButton(m_titleBarWidget);
    m_maximizeButton->setObjectName(QStringLiteral("MaximizeButton"));
    connect(m_maximizeButton, &QPushButton::clicked, this, [this](){
        if (isMaximized() || isFullScreen()) {
            showNormal();
        } else {
            showMaximized();
        }
        updateSystemButtonIcons();
    });
    m_closeButton = new QPushButton(m_titleBarWidget);
    m_closeButton->setObjectName(QStringLiteral("CloseButton"));
    connect(m_closeButton, &QPushButton::clicked, this, &Widget::close);
    updateSystemButtonIcons();
    const auto titleBarLayout = new QHBoxLayout(m_titleBarWidget);
    titleBarLayout->setContentsMargins(0, 0, 0, 0);
    titleBarLayout->setSpacing(0);
    titleBarLayout->addSpacerItem(new QSpacerItem(10, 10));
    titleBarLayout->addWidget(m_windowTitleLabel);
    titleBarLayout->addStretch();
    titleBarLayout->addWidget(m_minimizeButton);
    titleBarLayout->addWidget(m_maximizeButton);
    titleBarLayout->addWidget(m_closeButton);
    m_titleBarWidget->setLayout(titleBarLayout);
    m_clockLabel = new QLabel(this);
    m_clockLabel->setObjectName(QStringLiteral("ClockLabel"));
    m_clockLabel->setFrameShape(QFrame::NoFrame);
    QFont clockFont = font();
    clockFont.setBold(true);
    clockFont.setPointSize(70);
    m_clockLabel->setFont(clockFont);
    const auto contentLayout = new QHBoxLayout;
    contentLayout->setContentsMargins(0, 0, 0, 0);
    contentLayout->setSpacing(0);
    contentLayout->addStretch();
    contentLayout->addWidget(m_clockLabel);
    contentLayout->addStretch();
    const auto mainLayout = new QVBoxLayout(this);
    mainLayout->setContentsMargins(0, 0, 0, 0);
    mainLayout->setSpacing(0);
    mainLayout->addWidget(m_titleBarWidget);
    mainLayout->addStretch();
    mainLayout->addLayout(contentLayout);
    mainLayout->addStretch();
    setLayout(mainLayout);
    updateStyleSheet();
#endif
}

void Widget::updateStyleSheet()
{
}

void Widget::updateSystemButtonIcons()
{
#if 0
    Q_ASSERT(m_minimizeButton);
    Q_ASSERT(m_maximizeButton);
    Q_ASSERT(m_closeButton);
    if (!m_minimizeButton || !m_maximizeButton || !m_closeButton) {
        return;
    }
    const QString suffix = (Utilities::shouldAppsUseDarkMode() ? QStringLiteral("white") : QStringLiteral("black"));
    m_minimizeButton->setIcon(QIcon(QStringLiteral(":/images/button_minimize_%1.svg").arg(suffix)));
    if (isMaximized() || isFullScreen()) {
        m_maximizeButton->setIcon(QIcon(QStringLiteral(":/images/button_restore_%1.svg").arg(suffix)));
    } else {
        m_maximizeButton->setIcon(QIcon(QStringLiteral(":/images/button_maximize_%1.svg").arg(suffix)));
    }
    m_closeButton->setIcon(QIcon(QStringLiteral(":/images/button_close_%1.svg").arg(suffix)));
#endif
}

#if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
bool Widget::nativeEvent(const QByteArray &eventType, void *message, qintptr *result)
#else
bool Widget::nativeEvent(const QByteArray &eventType, void *message, long *result)
#endif
{
    return QWidget::nativeEvent(eventType, message, result);
}