自定义消息对话框 - QTCN开发网

离线nigoole

圣骑士

只看楼主倒序阅读楼主发表于: 2015-11-27

— 本帖被 XChinux 执行加亮操作(2016-04-23) —

首先申明，纯属个人无聊作品，最近项目中需要对话提示框，自己简单模拟了一个。希望大家不要见笑。
先上个图，大伙瞅瞅；

图片、颜色什么的根据自己配置

代码：头文件

复制代码

#ifndef MSGBOXBASE_H
#define MSGBOXBASE_H
#include <QDialog>
#include <QWidget>
#include <QLabel>
#include <QPushButton>
#include <QVBoxLayout>
#include <QHBoxLayout>
class MsgBoxBase : public QDialog
{
Q_OBJECT
public:
explicit MsgBoxBase(QWidget*parent=0);
signals:
void signalClose();
public slots:
private:
QWidget *widgetTitle;
QLabel *labelWinIcon;
QLabel *labelWinTitle;
QPushButton *btnClose;
QHBoxLayout *horLayoutTitle;
QWidget *widgetBody;
QLabel *labelIcon;
QLabel *labelContent;
//QVBoxLayout*verLayoutBody;
QHBoxLayout *horLayoutBody;
QWidget *widgetButton;
QPushButton *btnOk;
QPushButton *btnCancel;
QHBoxLayout *horLayoutBtn;
QVBoxLayout *verLayoutGlobal;
protected:
QPoint dragPosition;
void mousePressEvent(QMouseEvent*);
void mouseMoveEvent(QMouseEvent*);
void paintEvent(QPaintEvent*);
};
#endif//MSGBOXBASE_H

msgbox.cpp

复制代码

#include"msgboxbase.h"
#include <QFile>
#include <QDebug>
#include <QPixmap>
#include <QMouseEvent>
#include <QPainter>
#include <QPaintEvent>
#include <QStyleOption>
#include <QStyle>
MsgBoxBase::MsgBoxBase(QWidget*parent):
QDialog(parent)
{
setFixedSize(340, 155);
this->setObjectName("msgBox");
this->setWindowFlags(Qt::FramelessWindowHint);
// 标题栏控件
widgetTitle = new QWidget(this);
widgetTitle->setFixedHeight(20);
labelWinIcon = new QLabel(this);
labelWinIcon->setAlignment(Qt::AlignCenter);
labelWinTitle = new QLabel(this);
btnClose = new QPushButton(this);
btnClose->setFocusPolicy(Qt::NoFocus);
btnClose->setIcon(style()->standardIcon(QStyle::SP_DialogCloseButton));
// 设置ObjectName，在样式表中需要通过这个名字进行访问该对象
widgetTitle->setObjectName("widgetTitle");
labelWinIcon->setObjectName("labelWinIcon");
labelWinTitle->setObjectName("labelWinTitle");
btnClose->setObjectName("btnClose");
// labelWinIcon->setPixmap(QPixmap(":/resource/title.png"));
labelWinIcon->setPixmap(style()->standardPixmap(QStyle::SP_DesktopIcon));
labelWinTitle->setText("提示");
// 标题栏布局管理
horLayoutTitle = new QHBoxLayout(widgetTitle);
horLayoutTitle->setContentsMargins(10,0,0,0);
horLayoutTitle->setSpacing(4);
horLayoutTitle->addWidget(labelWinIcon,0,Qt::AlignCenter);
horLayoutTitle->addWidget(labelWinTitle,4,Qt::AlignLeft);
horLayoutTitle->addWidget(btnClose,0,Qt::AlignCenter);
// 中间消息内容部分
widgetBody = new QWidget(this);
labelIcon = new QLabel(this);
labelContent = new QLabel(this);
labelContent->setWordWrap(true);
widgetBody->setObjectName("widgetBody");
labelIcon->setObjectName("labelIcon");
labelContent->setObjectName("labelContent");
// labelIcon->setPixmap(QPixmap(":/resource/info.png"));
labelIcon->setPixmap(style()->standardPixmap(QStyle::SP_MessageBoxInformation));
labelContent->setText("当前系统登陆错误！请检查网络连接后再试试！！！");
// 中间内容部分布局，一个图片和一个文件label
horLayoutBody = new QHBoxLayout(widgetBody);
horLayoutBody->setContentsMargins(10,10,10,10);
horLayoutBody->setSpacing(10);
horLayoutBody->addWidget(labelIcon, 1, Qt::AlignCenter);
horLayoutBody->addWidget(labelContent,5);
// 底部按钮
widgetButton = new QWidget(this);
btnCancel = new QPushButton(this);
btnCancel->setFocusPolicy(Qt::NoFocus);
// 加上图标不好看，个人觉得，自己尝试
// btnCancel->setIcon(style()->standardIcon(QStyle::SP_DialogCancelButton));
btnCancel->setText("取消");
btnOk = new QPushButton(this);
btnOk->setText("确定");
btnOk->setFocusPolicy(Qt::NoFocus);
// btnOk->setIcon(style()->standardIcon(QStyle::SP_DialogApplyButton));
// 设置ObjectName，在样式表中需要通过这个名字进行访问该对象
widgetButton->setObjectName("widgetButton");
btnCancel->setObjectName("btnCancel");
btnOk->setObjectName("btnOk");
// 下面2个按钮布局关联
horLayoutBtn = new QHBoxLayout(widgetButton);
horLayoutBtn->setContentsMargins(10,5,10,5);
horLayoutBtn->setSpacing(10);
horLayoutBtn->addStretch();
horLayoutBtn->addWidget(btnCancel,0,Qt::AlignCenter);
horLayoutBtn->addWidget(btnOk,0,Qt::AlignCenter);
// 全局布局文件
verLayoutGlobal = new QVBoxLayout(this);
verLayoutGlobal->setContentsMargins(2,1,2,1);
verLayoutGlobal->setSpacing(0);
verLayoutGlobal->addWidget(widgetTitle);
verLayoutGlobal->addWidget(widgetBody,3);
verLayoutGlobal->addWidget(widgetButton);
// 关联信号槽
connect(btnClose,SIGNAL(clicked()),this,SLOT(close()));
//connect(btnClose,SIGNAL(clicked()),this,SIGNAL(signalClose()));
connect(btnCancel,SIGNAL(clicked()),this,SLOT(reject()));
connect(btnOk,SIGNAL(clicked()),this,SLOT(accept()));
// 加载样式表文件
QFile file(":/resource/msgBox.css");
file.open(QIODevice::ReadOnly);
this->setStyleSheet(file.readAll());
file.close();
}
// 移动界面
void MsgBoxBase::mousePressEvent(QMouseEvent*event){
if(event->buttons() == Qt::LeftButton){
dragPosition = event->globalPos() - frameGeometry().topLeft();
event->accept();
}
}
// 移动
void MsgBoxBase::mouseMoveEvent(QMouseEvent*event){
if(event->buttons() == Qt::LeftButton){
this->move(event->globalPos() - dragPosition);
event->accept();
}
}
// 添加此属性后父类widget才可以使用样式表
void MsgBoxBase::paintEvent(QPaintEvent*)
{
QStyleOption opt;
opt.init(this);
QPainter p(this);
style()->drawPrimitive(QStyle::PE_Widget, &opt, &p, this);
}