效果图
主要使用无边框窗体搭建,实现窗体的拖动和缩放,播放列表、文件打开等。
主要代码
manwindow设计类
cpp
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include <QMutex>
#include "framelesshelper.h"
QT_BEGIN_NAMESPACE
namespace Ui {
class MainWindow;
}
QT_END_NAMESPACE
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
MainWindow(QWidget *parent = nullptr);
~MainWindow();
private slots:
void on_m_closeBtn_clicked();
void on_m_maxBtn_clicked();
void on_m_minBtn_clicked();
void on_m_listBtn_clicked();
void on_m_openBtn_clicked();
private:
void InitUI();
void InitSlots();
void framelesshelperInit();
private:
Ui::MainWindow *ui;
bool isListHid = true;
QMap<QString,QString> m_playMap ;
QMutex m_mapMutex;
};
#endif // MAINWINDOW_H
cpp
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QFileDialog>
MainWindow::MainWindow(QWidget *parent)
: QMainWindow(parent)
, ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setWindowFlags(Qt::FramelessWindowHint);
// 适用调色板设置背景色
QPalette palette(this->palette());
palette.setColor(QPalette::Window, Qt::gray); //设置背景黑色
this->setPalette(palette);
this->setMouseTracking(true);// 设置鼠标跟踪,不然只会在鼠标按下时才会触发鼠标移动事件
InitUI();
framelesshelperInit();
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::InitUI()
{
ui->m_menuBtn->setToolTip("logo");
ui->m_menuBtn->setAutoRaise(true);
ui->m_menuBtn->setIcon(QPixmap(":/images/btn_logo.png"));
ui->m_closeBtn->setToolTip("关闭");
ui->m_closeBtn->setAutoRaise(true);
ui->m_closeBtn->setIcon(QPixmap(":/images/btn_close.png"));
ui->m_minBtn->setToolTip("最小化");
ui->m_minBtn->setAutoRaise(true);
ui->m_minBtn->setIcon(QPixmap(":/images/btn_minus.png"));
ui->m_maxBtn->setToolTip("最大化");
ui->m_maxBtn->setAutoRaise(true);
ui->m_maxBtn->setIcon(QPixmap(":/images/btn_normal.png"));
ui->m_openBtn->setToolTip("打开");
ui->m_openBtn->setAutoRaise(true);
ui->m_openBtn->setIcon(QPixmap(":/images/btn_open.png"));
ui->m_preBtn->setToolTip("上一个");
ui->m_preBtn->setAutoRaise(true);
ui->m_preBtn->setIcon(QPixmap(":/images/btn_back.png"));
ui->m_playBtn->setToolTip("播放");
ui->m_playBtn->setAutoRaise(true);
ui->m_playBtn->setIcon(QPixmap(":/images/btn_play.png"));
ui->m_nextBtn->setToolTip("下一个");
ui->m_nextBtn->setAutoRaise(true);
ui->m_nextBtn->setIcon(QPixmap(":/images/btn_next.png"));
ui->m_setBtn->setToolTip("设置");
ui->m_setBtn->setAutoRaise(true);
ui->m_setBtn->setIcon(QPixmap(":/images/btn_set.png"));
ui->m_listBtn->setToolTip("列表");
ui->m_listBtn->setAutoRaise(true);
ui->m_listBtn->setIcon(QPixmap(":/images/btn_list.png"));
ui->m_volumeBtn->setToolTip("声音");
ui->m_volumeBtn->setAutoRaise(true);
ui->m_volumeBtn->setIcon(QPixmap(":/images/btn_voice.png"));
ui->tableWidget->setStyleSheet("QTableWidget { background-color: gray; } QTableWidget::item:selected {background-color: gray;}\
QTableWidget::item:selected:active {background-color: gray;}");
//ui->tableWidget->horizontalHeader()->hide();
ui->tableWidget->setShowGrid(false);
ui->tableWidget->setSelectionMode(QAbstractItemView::NoSelection); //被选中后不高亮
//ui->tableWidget->horizontalHeader()->setDefaultAlignment(Qt::AlignLeft);
ui->tableWidget->horizontalHeader()->setFont(QFont("Arial", 13));
// 设置表头不显示网格
ui->tableWidget->horizontalHeader()->setSectionHidden(0,true);
ui->tableWidget->verticalHeader()->setSectionHidden(0,true);
ui->tableWidget->horizontalHeader()->setSectionsClickable(false);//水平表头不可点击
ui->tableWidget->horizontalHeader()->setStyleSheet("QHeaderView::section {background-color:gray;border: none;} QHeaderView::section { color: blue; }");
ui->tableWidget->verticalHeader()->hide();
ui->tableWidget->setSelectionBehavior(QAbstractItemView::SelectRows); //选中整行.
ui->tableWidget->setSelectionMode(QAbstractItemView::SingleSelection); //单行模式.
ui->tableWidget->setEditTriggers(QAbstractItemView::NoEditTriggers);
ui->tableWidget->setFocusPolicy(Qt::NoFocus); //设置item选中后去掉虚线边框.
ui->tableWidget->setAcceptDrops(true); //启用拖放事件.
ui->tableWidget->setColumnCount(1);
// 也可以设置表头标签,如果你不需要可以省略这一步
QStringList headers;
headers << "播放列表";
ui->tableWidget->setHorizontalHeaderLabels(headers);
ui->tableWidget->setRowCount(16); // 假设你想要5行
ui->tableWidget->setColumnWidth(0,220);
}
void MainWindow::InitSlots()
{
}
void MainWindow::on_m_closeBtn_clicked()
{
close();
}
void MainWindow::on_m_maxBtn_clicked()
{
showMaximized();
}
void MainWindow::on_m_minBtn_clicked()
{
showMinimized();
}
void MainWindow::framelesshelperInit()
{
//this指的是要处理的窗体
FramelessHelper *pHelper = new FramelessHelper(this);
pHelper->activateOn(this); //激活当前窗体
pHelper->setWidgetMovable(true); //设置窗体可移动
pHelper->setWidgetResizable(true); //设置窗体可缩放
pHelper->setRubberBandOnMove(false); //设置橡皮筋效果-可移动
pHelper->setRubberBandOnResize(true); //设置橡皮筋效果-可缩放
}
void MainWindow::on_m_listBtn_clicked()
{
if(isListHid){
ui->tableWidget->hide();
isListHid = false;
}else{
ui->tableWidget->show();
isListHid = true;
}
}
void MainWindow::on_m_openBtn_clicked()
{
QString strName = QFileDialog::getOpenFileName(this, "选择播放视频~!", "/", "视频 (*.mp4 *.m4v *.mov *.avi *.flv);; 其它(*)");
if (strName.isEmpty())
{
return;
}
QString Name=strName.split("/").last();
m_mapMutex.lock();
m_playMap[Name]=strName;
m_mapMutex.unlock();
QTableWidgetItem *newItem = new QTableWidgetItem(Name);
if(m_playMap.count() == 1 ){
ui->tableWidget->setItem(0,0,newItem);
}else
{
ui->tableWidget->setItem(m_playMap.count()-1,0,newItem);
}
//ui->listWidget->addItem(Name);
}
midslider类
cpp
#ifndef MIDSLIDER_H
#define MIDSLIDER_H
#include <QObject>
#include <QSlider>
#include <QWidget>
#include <QMouseEvent>
class MidSlider : public QSlider
{
Q_OBJECT
public:
MidSlider(QWidget *parent = 0);
~MidSlider();
protected:
void mousePressEvent(QMouseEvent *ev);//鼠标按下事件
private:
void initData();
};
#endif // MIDSLIDER_H
cpp
#include "midslider.h"
MidSlider::MidSlider(QWidget *parent):QSlider(parent) {
initData();
}
MidSlider::~MidSlider()
{
}
//鼠标按下事件
void MidSlider::mousePressEvent(QMouseEvent *ev)
{
double pos = (double)ev->pos().x() / (double)width();//当前鼠标位置比率
setValue(pos*this->maximum());//设置位置
QSlider::mousePressEvent(ev);
}
void MidSlider::initData()
{
setOrientation(Qt::Horizontal);
//setFixedHeight(15);
this->setStyleSheet(
"QSlider{background-color: transparent;}"
"QSlider::groove:horizontal {border: 0px solid #09A1FF;\
background: #09A1FF;\
height: 3px;\
border-radius: 6px;\
padding-left:0px;\
padding-right:0px;\
left:1px;right:0px;\
}"
"QSlider::sub-page:horizontal {\
background: #09A1FF;\
border: 1px solid #09A1FF;\
height: 3px;\
border-radius: 3px;\
}"
"QSlider::add-page:horizontal {\
background: #696969;\
border: 0px solid #696969;\
height: 3px;\
border-radius: 3px;\
}"
"QSlider::handle:horizontal {\
background:#FFFFFF;\
width: 12px;height 12px;\
margin-top: -5px;\
margin-bottom: -5px;\
border-radius: 6px;\
}");
}