Qt 自定义菜单栏源工程

#include "mainwindow.h" #include "ui_mainwindow.h" MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent) , ui(new Ui::MainWindow) { ui->setupUi(this); // 读 .qss QFile style_file("./style.qss"); if (style_file.exists()) { style_file.open(QFile::ReadOnly); qDebug("Open succeed"); QString styleSheet = QLatin1String(style_file.readAll()); this->setStyleSheet(styleSheet); style_file.close(); } else { qDebug("Open failed"); } QFile file("./ui_style.qss"); file.open(QFile::ReadOnly); if (file.isOpen()) { QString styleSheet = QLatin1String(file.readAll()); ui->centralwidget->setStyleSheet(styleSheet); file.close(); qDebug() << "success"; } else { qDebug() << "error"; } this->setWindowFlags(Qt::FramelessWindowHint); //去除标题框 this->setAttribute(Qt::WA_TranslucentBackground); // 设置透明背景 // 获取屏幕分辨率 // 屏幕分辨率 = 像素大小 * 缩放大小（取整） QScreen *screen = QApplication::primaryScreen(); QRect screenGeometry = screen->geometry(); qreal devicePixelRatio = screen->devicePixelRatio(); int my_screen_width = screenGeometry.size().width() * devicePixelRatio; int my_screen_height = screenGeometry.size().height() * devicePixelRatio; // 获取参考值屏幕的分辨率的比值 之后有需要的部分位置调整要加上比值去运算，以更加自然的适配更多的屏幕显示 multiple_width = CONSULT_WIDTH / float(my_screen_width); multiple_height = CONSULT_HEIGHT / float(my_screen_height); menu = new class menu_bar(this); } MainWindow::~MainWindow() { delete ui; } MainWindow::menu_bar::menu_bar(class MainWindow *parent) { unsigned char i; this->parent = parent; last_globalPosition = new QPointF; trigger_wiget_status = VOID_WIGET; status = false; timer_20ms = new QTimer(parent); this->parent->connect(timer_20ms, &QTimer::timeout, this->parent, &MainWindow::timeover_20ms); timer_20ms->start(OVERTIME); main_under_widget = new QWidget(parent); main_under_widget->setObjectName("under_widget"); conceal = new QPushButton(parent); windowing = new QPushButton(parent); close = new QPushButton(parent); for (i = 0; i < TIGGER_WIDGET_NUM; i++) tigger_widget[i] = new QWidget(parent); main_under_widget->lower(); for (i = 0; i < TIGGER_WIDGET_NUM; i += 2) tigger_widget[i]->raise(); conceal->raise(); windowing->raise(); close->raise(); for (i = 1; i < TIGGER_WIDGET_NUM; i += 2) tigger_widget[i]->raise(); // 设置名字 conceal->setObjectName("menu_conceal"); windowing->setObjectName("menu_windowing"); close->setObjectName("menu_close"); // 设置大小 conceal->resize(BUTTON_WIDTH, BUTTON_HEIGHT); windowing->resize(BUTTON_WIDTH, BUTTON_HEIGHT); close->resize(BUTTON_WIDTH, BUTTON_HEIGHT); // 绑定槽函数 this->parent->connect(close, &QPushButton::clicked, this->parent, &MainWindow::close_windon); this->parent->connect(windowing, &QPushButton::clicked, this->parent, &MainWindow::windowing_windon); this->parent->connect(conceal, &QPushButton::clicked, this->parent, &MainWindow::conceal_windon); #if TRY // 调试显示模式 tigger_widget[0]->setStyleSheet( "QWidget {" "background-color:rgb(10, 10, 120);" "}" ); tigger_widget[1]->setStyleSheet( "QWidget {" "background-color:rgb(100, 100, 100);" "}" ); tigger_widget[2]->setStyleSheet( "QWidget {" "background-color:rgb(150, 150, 150);" "}" ); tigger_widget[3]->setStyleSheet( "QWidget {" "background-color:rgb(200, 200, 200);" "}" ); tigger_widget[4]->setStyleSheet( "QWidget {" "background-color:rgb(10, 10, 10);" "}" ); tigger_widget[5]->setStyleSheet( "QWidget {" "background-color:rgb(100, 100, 100);" "}" ); tigger_widget[6]->setStyleSheet( "QWidget {" "background-color:rgb(100, 255, 100);" "}" ); tigger_widget[7]->setStyleSheet( "QWidget {" "background-color:rgb(50, 50, 50);" "border-radius: 10px;" "}" ); #else // 透明 for (i = 1; i < TIGGER_WIDGET_NUM; i++) tigger_widget[i]->setWindowOpacity(1); tigger_widget[0]->setObjectName("top_widget"); #endif // 设置光标 tigger_widget[1]->setCursor(Qt::SizeBDiagCursor); tigger_widget[3]->setCursor(Qt::SizeFDiagCursor); tigger_widget[5]->setCursor(Qt::SizeBDiagCursor); tigger_widget[7]->setCursor(Qt::SizeFDiagCursor); tigger_widget[2]->setCursor(Qt::SizeHorCursor); tigger_widget[4]->setCursor(Qt::SizeVerCursor); tigger_widget[6]->setCursor(Qt::SizeHorCursor); update(); } MainWindow::menu_bar::~menu_bar() { delete timer_20ms; for (unsigned char i = 0; i < TIGGER_WIDGET_NUM; i++) delete tigger_widget[i]; delete conceal; delete windowing; delete close; delete main_under_widget; delete last_globalPosition; } void MainWindow::menu_bar::update(void) { unsigned char i; main_under_widget->move(0, 0); main_under_widget->resize(parent->width(), parent->height()); conceal->move(parent->width() - close->width() - windowing->width() - conceal->width(), 0); windowing->move(parent->width() - close->width() - windowing->width(), 0); close->move(parent->width() - close->width(), 0); tigger_widget[1]->move(this->parent->width() - tigger_widget[1]->width(), 0); tigger_widget[3]->move(this->parent->width() - tigger_widget[3]->width(), this->parent->height() - tigger_widget[3]->height()); tigger_widget[5]->move(0, this->parent->height() - tigger_widget[5]->height()); tigger_widget[7]->move(0, 0); for (i = 1; i < TIGGER_WIDGET_NUM; i += 2) tigger_widget[i]->resize(AROUND_SIZE, AROUND_SIZE); tigger_widget[0]->move(0, 0); tigger_widget[0]->resize(this->parent->width(), TOP_HEIGHT); tigger_widget[2]->move(this->parent->width() - tigger_widget[2]->width(), 0); tigger_widget[2]->resize(AROUND_SIZE, this->parent->height()); tigger_widget[4]->move(0, this->parent->height() - tigger_widget[4]->height()); tigger_widget[4]->resize(this->parent->width(), AROUND_SIZE); tigger_widget[6]->move(0, 0); tigger_widget[6]->resize(AROUND_SIZE, this->parent->height()); } // 鼠标按下事件处理 void MainWindow::menu_bar::mouse_press_handle(QMouseEvent * event) { if (event->buttons() == Qt::LeftButton) { QWidget* widget = parent->childAt(parent->mapFromGlobal(QCursor::pos())); for (unsigned char i = 0; i < TIGGER_WIDGET_NUM; i++) if (widget == tigge