framelesshelper/examples/widget/widget.cpp

335 lines
11 KiB
C++

/*
* 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 <QtGui/qevent.h>
#include <QtWidgets/qboxlayout.h>
#include <QtWidgets/qlabel.h>
#include <QtWidgets/qpushbutton.h>
#include <framelesswindowsmanager.h>
#include <utilities.h>
FRAMELESSHELPER_USE_NAMESPACE
static const QColor systemLightColor = QStringLiteral("#f0f0f0");
static const QColor systemDarkColor = QStringLiteral("#202020");
static const QString mainStyleSheet = QStringLiteral(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);
initFramelessHelperOnce();
}
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);
bool shouldUpdate = false;
if (event->type() == QEvent::WindowStateChange) {
#ifdef Q_OS_WINDOWS
if (Utilities::isWindowFrameBorderVisible()) {
if (isMaximized() || isFullScreen()) {
setContentsMargins(0, 0, 0, 0);
} else if (!isMinimized()) {
resetContentsMargins();
}
}
#endif
updateSystemButtonIcons();
shouldUpdate = true;
} else if (event->type() == QEvent::ActivationChange) {
shouldUpdate = true;
}
if (shouldUpdate) {
updateStyleSheet();
}
}
void Widget::paintEvent(QPaintEvent *event)
{
QWidget::paintEvent(event);
#ifdef Q_OS_WINDOWS
if ((windowState() == Qt::WindowNoState) && Utilities::isWindowFrameBorderVisible() && !Utilities::isWin11OrGreater()) {
QPainter painter(this);
painter.save();
QPen pen = {};
pen.setColor(Utilities::getFrameBorderColor(isActiveWindow()));
pen.setWidth(1);
painter.setPen(pen);
painter.drawLine(0, 0, width(), 0);
painter.restore();
}
#endif
}
void Widget::mousePressEvent(QMouseEvent *event)
{
QWidget::mousePressEvent(event);
const Qt::MouseButton button = event->button();
if ((button != Qt::LeftButton) && (button != Qt::RightButton)) {
return;
}
if (isInTitleBarDraggableArea(event->pos())) {
if (button == Qt::LeftButton) {
Utilities::startSystemMove(windowHandle());
} else {
#ifdef Q_OS_WINDOWS
# if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
const QPointF globalPos = event->globalPosition();
# else
const QPointF globalPos = event->globalPos();
# endif
const QPointF pos = globalPos * devicePixelRatioF();
Utilities::showSystemMenu(winId(), pos);
#endif
}
}
}
void Widget::mouseDoubleClickEvent(QMouseEvent *event)
{
QWidget::mouseDoubleClickEvent(event);
if (event->button() != Qt::LeftButton) {
return;
}
if (isInTitleBarDraggableArea(event->pos())) {
m_maximizeButton->click();
}
}
void Widget::initFramelessHelperOnce()
{
if (m_inited) {
return;
}
m_inited = true;
FramelessWindowsManager::addWindow(windowHandle());
connect(FramelessWindowsManager::instance(), &FramelessWindowsManager::themeChanged, this, [this](){
updateStyleSheet();
updateSystemButtonIcons();
});
}
void Widget::setupUi()
{
const int titleBarHeight = 30;
const QSize systemButtonSize = {int(qRound(qreal(titleBarHeight) * 1.5)), titleBarHeight};
const QSize systemIconSize = {16, 16};
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_titleBarWidget->setFixedHeight(titleBarHeight);
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"));
m_minimizeButton->setFixedSize(systemButtonSize);
m_minimizeButton->setIconSize(systemIconSize);
m_minimizeButton->setToolTip(tr("Minimize"));
connect(m_minimizeButton, &QPushButton::clicked, this, &Widget::showMinimized);
m_maximizeButton = new QPushButton(m_titleBarWidget);
m_maximizeButton->setObjectName(QStringLiteral("MaximizeButton"));
m_maximizeButton->setFixedSize(systemButtonSize);
m_maximizeButton->setIconSize(systemIconSize);
m_maximizeButton->setToolTip(tr("Maximize"));
connect(m_maximizeButton, &QPushButton::clicked, this, [this](){
if (isMaximized() || isFullScreen()) {
showNormal();
m_maximizeButton->setToolTip(tr("Maximize"));
} else {
showMaximized();
m_maximizeButton->setToolTip(tr("Restore"));
}
updateSystemButtonIcons();
});
m_closeButton = new QPushButton(m_titleBarWidget);
m_closeButton->setObjectName(QStringLiteral("CloseButton"));
m_closeButton->setFixedSize(systemButtonSize);
m_closeButton->setIconSize(systemIconSize);
m_closeButton->setToolTip(tr("Close"));
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);
resetContentsMargins();
updateStyleSheet();
}
bool Widget::isInTitleBarDraggableArea(const QPoint &pos) const
{
QRegion draggableArea = {0, 0, m_titleBarWidget->width(), m_titleBarWidget->height()};
draggableArea -= m_minimizeButton->geometry();
draggableArea -= m_maximizeButton->geometry();
draggableArea -= m_closeButton->geometry();
return draggableArea.contains(pos);
}
void Widget::updateStyleSheet()
{
const bool active = isActiveWindow();
const bool dark = Utilities::shouldAppsUseDarkMode();
const bool colorizedTitleBar = Utilities::isTitleBarColorized();
const QColor titleBarWidgetBackgroundColor = [active, colorizedTitleBar, dark]() -> QColor {
if (active) {
if (colorizedTitleBar) {
return Utilities::getDwmColorizationColor();
} else {
if (dark) {
return QColor(Qt::black);
} else {
return QColor(Qt::white);
}
}
} else {
if (dark) {
return systemDarkColor;
} else {
return QColor(Qt::white);
}
}
}();
const QColor windowTitleLabelTextColor = (active ? ((dark || colorizedTitleBar) ? Qt::white : Qt::black) : Qt::darkGray);
const QColor clockLabelTextColor = (dark ? Qt::white : Qt::black);
const QColor mainWidgetBackgroundColor = (dark ? systemDarkColor : systemLightColor);
setStyleSheet(mainStyleSheet.arg(mainWidgetBackgroundColor.name(), titleBarWidgetBackgroundColor.name(),
windowTitleLabelTextColor.name(), clockLabelTextColor.name()));
update();
}
void Widget::updateSystemButtonIcons()
{
const QString prefix = ((Utilities::shouldAppsUseDarkMode() || Utilities::isTitleBarColorized()) ? QStringLiteral("light") : QStringLiteral("dark"));
m_minimizeButton->setIcon(QIcon(QStringLiteral(":/images/%1/chrome-minimize.svg").arg(prefix)));
if (isMaximized() || isFullScreen()) {
m_maximizeButton->setIcon(QIcon(QStringLiteral(":/images/%1/chrome-restore.svg").arg(prefix)));
} else {
m_maximizeButton->setIcon(QIcon(QStringLiteral(":/images/%1/chrome-maximize.svg").arg(prefix)));
}
m_closeButton->setIcon(QIcon(QStringLiteral(":/images/%1/chrome-close.svg").arg(prefix)));
}
void Widget::resetContentsMargins()
{
#ifdef Q_OS_WINDOWS
if (Utilities::isWindowFrameBorderVisible()) {
setContentsMargins(0, 1, 0, 0);
}
#endif
}