QT自定义TitleBar
头文件
#ifndef TITLEBAR_H
#define TITLEBAR_H
/*************************************************
功能：重写标题栏
作者: YYC
时间：2017-10-13
*************************************************/
#include
#include
#include
#include
#include
#include
#include
#ifndef SAFEDELETE
#define SAFEDELETE(pointer) \
{ \
if(pointer) \
{ \
delete pointer; \
} \
pointer = NULL; \
}
#endif
namespace TITLEBAR
{
enum WIDGETBYTTONTYPE
{
MAXWIDGET,
MINWIDGET,
MAXMINWIDGET,
};
}
class TitleBar : public QWidget
{
Q_OBJECT
public:
explicit TitleBar(QWidget *parentWidget = 0);
void setWindowTitle(const QString &title); //设置标题
void setWindowIcon(const QString &icon); //设置图标
void subWindowButton(const int &type); //设置按钮
const static int TITLEBARHEIGHT = 50; //标题栏高度
const static int CONTROLWIDTH = 30; //控件宽度
public slots:
void showMax(); //最大化窗口
void showMin(); //最小化窗口
void showClose(); //关闭窗口
private:
bool mousePress; //按钮点击标志位
QPoint movePoint; //鼠标移动
QPushButton *maxButton; //最大化按钮
QPushButton *minButton; //最小化按钮
QPushButton *closeButton; //关闭按钮
QLabel *imgLabel; //图片框
QWidget *parentWidget; //父窗口
QLabel *titleLabel; //标题名
void initValue(); //初始化值
void
mousePressEvent(QMouseEvent * event); //鼠标点击事件
void
mouseReleaseEvent(QMouseEvent * event); //鼠标释放事件
void
mouseMoveEvent(QMouseEvent * event); //鼠标移动事件
};
#endif // TITLEBAR_H
源文件
#include "titlebar.h"
#include
#include
#include
#include
/*************************** 构造函数 ***************************/
TitleBar::TitleBar(QWidget *parent) : QWidget(parent)
{
//最大化按钮设置图标
QPixmap pixMap = this->style()->
standardPixmap(QStyle::
SP_TitleBarMaxButton);
maxButton = new QPushButton(this);
maxButton->setIcon(pixMap);
//最小化按钮设置图标
pixMap = this->style()->
standardPixmap(QStyle::
SP_TitleBarMinButton);
minButton = new QPushButton(this);
minButton->setIcon(pixMap);
//关闭按钮设置图标
pixMap = this->style()->
standardPixmap(QStyle::
SP_TitleBarCloseButton);
closeButton = new QPushButton(this);
closeButton->setIcon(pixMap);
//设置标签
imgLabel = new QLabel(this);
titleLabel = new QLabel(this);
titleLabel->setSizePolicy(QSizePolicy::
Expanding, QSizePolicy::
Fixed);
titleLabel->setStyleSheet("color:white");
//设置控件大小
imgLabel->setFixedSize(CONTROLWIDTH, CONTROLWIDTH);
imgLabel->setScaledContents(true);
//设置控件大小
minButton->setFixedSize(CONTROLWIDTH, CONTROLWIDTH);
maxButton->setFixedSize(CONTROLWIDTH, CONTROLWIDTH);
closeButton->setFixedSize(CONTROLWIDTH, CONTROLWIDTH);
//设置布局
QHBoxLayout *hBoxLayout = new QHBoxLayout(this);
hBoxLayout->addWidget(imgLabel);
hBoxLayout->addSpacing(5);
hBoxLayout->addWidget(titleLabel);
hBoxLayout->addWidget(minButton);
hBoxLayout->addWidget(maxButton);
hBoxLayout->addWidget(closeButton);
hBoxLayout->setSpacing(0);
hBoxLayout->setContentsMargins(5, 0, 5, 0);
this->setLayout(hBoxLayout);
//设置背景色
QPalette paletteColor(palette());
paletteColor.setColor(QPalette::
Background, QColor(44, 62, 80));
this->setAutoFillBackground(true);
this->setPalette(paletteColor);
//重置窗口大小
this->resize(parent->width(), TITLEBARHEIGHT);
//设置父类窗口
parentWidget = parent;
this->initValue();
}
/*************************** 设置标题 ***************************/
void TitleBar::setWindowTitle(const QString &title)
{
titleLabel->setText(title);
}
/*************************** 设置图标 ***************************/
void TitleBar::setWindowIcon(const QString &icon)
{
imgLabel->setPixmap(QPixmap(icon));
}
/*************************** 设置按钮 ***************************/
void TitleBar::subWindowButton(const int &type)
{
if(type == TITLEBAR::
MINWIDGET)
{
SAFEDELETE(minButton);
}
else if(type == TITLEBAR::
MAXWIDGET)
{
SAFEDELETE(maxButton);
}
else if(type == TITLEBAR::
MAXMINWIDGET)
{
SAFEDELETE(minButton);
SAFEDELETE(maxButton);
}
}
/*************************** 初始化 ***************************/
void TitleBar::initValue()
{
//设置样式表
closeButton->setStyleSheet("background-color:transparent;");
minButton->setStyleSheet("background-color:transparent;");
maxButton->setStyleSheet("background-color:transparent;");
//连接信号与槽
connect(minButton, SIGNAL(clicked(bool)), this, SLOT(showMin()));
connect(maxButton, SIGNAL(clicked(bool)), this, SLOT(showMax()));
connect(closeButton, SIGNAL(clicked(bool)), this, SLOT(showClose()));
//按钮点击标志位
mousePress = false;
//将该窗口添加到父类窗口中
QVBoxLayout *vBoxLayout = new QVBoxLayout(parentWidget);
vBoxLayout->addWidget(this);
vBoxLayout->addStretch();
vBoxLayout->setSpacing(0);
vBoxLayout->setContentsMargins(0, 0, 0, 0);
parentWidget->setLayout(vBoxLayout);
}
/*************************** 最大化 ***************************/
void TitleBar::showMax()
{
static int count = 0;
if(count % 2 == 0)
{
QPixmap normalPix = style()->
standardPixmap(QStyle::
SP_TitleBarNormalButton);
maxButton->setIcon(normalPix);
parentWidget->showMaximized();
}
else
{
QPixmap maxPix = style()->
standardPixmap(QStyle::
SP_TitleBarMaxButton);
maxButton->setIcon(maxPix);
parentWidget->showNormal();
}
count ++;
}
/*************************** 最小化 ***************************/
void TitleBar::showMin()
{
parentWidget->showMinimized();
}
/*************************** 关闭 ***************************/
void TitleBar::showClose()
{
parentWidget->close();
}
/*************************** 鼠标点击 ***************************/
void TitleBar::
mousePressEvent(QMouseEvent *event)
{
if(event->button() == Qt::
LeftButton)
{
mousePress = true;
}
movePoint = event->globalPos() - parentWidget->pos();
}
/************************** 鼠标释放 ***************************/
void TitleBar::
mouseReleaseEvent(QMouseEvent *event)
{
mousePress = false;
}
/************************** 鼠标移动 **************************/
void TitleBar::
mouseMoveEvent(QMouseEvent *event)
{
if(mousePress)
{
QPoint movePos = event->globalPos();
parentWidget->move(movePos - movePoint);
}
}
在窗口中使用
mainwindow.h 文件
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include
#include "titlebar.h"
#include
#include
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~
MainWindow();
private:
Ui::MainWindow *ui;
TitleBar *titleBar;
void
resizeEvent(QResizeEvent *event);
};
#endif // MAINWINDOW_H
mainwindow.cpp文件
#include "mainwindow.h"
#include "ui_mainwindow.h"
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setWindowFlags(Qt::
FramelessWindowHint);
titleBar = new TitleBar(this);
titleBar->setWindowIcon(":/image/image/image.png");
titleBar->setWindowTitle("灏夏星辰");
}
MainWindow::~
MainWindow()
{
delete ui;
}
/************************ 改变事件 ************************/
void MainWindow::
resizeEvent(QResizeEvent *event)
{
titleBar->resize(this->width(), TitleBar::TITLEBARHEIGHT);
}
具体效果：
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