82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
#include "framelesshelper.h"
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#include <QApplication>
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#include <QHBoxLayout>
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#include <QLabel>
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#include <QPushButton>
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#include <QVBoxLayout>
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#include <QWidget>
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int main(int argc, char *argv[]) {
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// High DPI scaling is enabled by default from Qt 6
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#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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QGuiApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
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QGuiApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
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#endif
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#if (QT_VERSION >= QT_VERSION_CHECK(5, 14, 0))
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#if 0
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QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::Round);
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#else
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// Don't round the scale factor.
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// This will break QWidget applications because they can't render correctly.
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// Qt Quick applications won't have this issue.
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QGuiApplication::setHighDpiScaleFactorRoundingPolicy(
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Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
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#endif
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#endif
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QApplication application(argc, argv);
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FramelessHelper helper;
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QWidget widget;
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widget.setContentsMargins(0, 0, 0, 0);
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QLabel *label = new QLabel;
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QObject::connect(&widget, &QWidget::windowTitleChanged, label,
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&QLabel::setText);
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QPushButton *minimizeButton = new QPushButton;
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minimizeButton->setText(QObject::tr("Minimize"));
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QObject::connect(minimizeButton, &QPushButton::clicked, &widget,
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&QWidget::showMinimized);
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QPushButton *maximizeButton = new QPushButton;
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maximizeButton->setText(QObject::tr("Maximize"));
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QObject::connect(maximizeButton, &QPushButton::clicked,
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[&widget, &maximizeButton]() {
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if (widget.isMaximized()) {
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widget.showNormal();
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maximizeButton->setText(QObject::tr("Maximize"));
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} else {
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widget.showMaximized();
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maximizeButton->setText(QObject::tr("Restore"));
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}
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});
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QPushButton *closeButton = new QPushButton;
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closeButton->setText(QObject::tr("Close"));
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QObject::connect(closeButton, &QPushButton::clicked, &widget,
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&QWidget::close);
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QHBoxLayout *tbLayout = new QHBoxLayout;
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tbLayout->setContentsMargins(0, 0, 0, 0);
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tbLayout->setSpacing(0);
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tbLayout->addSpacing(15);
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tbLayout->addWidget(label);
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tbLayout->addStretch();
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tbLayout->addWidget(minimizeButton);
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tbLayout->addWidget(maximizeButton);
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tbLayout->addWidget(closeButton);
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QVBoxLayout *mainLayout = new QVBoxLayout;
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mainLayout->setContentsMargins(0, 0, 0, 0);
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mainLayout->setSpacing(0);
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mainLayout->addLayout(tbLayout);
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mainLayout->addStretch();
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widget.setLayout(mainLayout);
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widget.setWindowTitle(QObject::tr("Hello, World!"));
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helper.setIgnoreObjects(&widget,
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{minimizeButton, maximizeButton, closeButton});
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helper.removeWindowFrame(&widget);
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widget.resize(800, 600);
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FramelessHelper::moveWindowToDesktopCenter(&widget);
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widget.show();
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return QApplication::exec();
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}
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