#ifndef ABOUT_H
#define ABOUT_H
#include <QDialog>
#include <QMovie>
namespace Ui {
class about;
}
class about : public QDialog
{
Q_OBJECT
public:
explicit about(QWidget *parent = 0);
~about();
private slots:
void moviestart();
void moviestop();
private:
Ui::about *ui;
QMovie *movie;
};
#endif // ABOUT_H
#ifndef MAINWINDOW_H
#define MAINWINDOW_H
#include <QMainWindow>
#include "about.h"
namespace Ui {
class MainWindow;
}
class MainWindow : public QMainWindow
{
Q_OBJECT
public:
explicit MainWindow(QWidget *parent = 0);
~MainWindow();
protected:
void closeEvent(QCloseEvent *event);
private slots:
void Newfile();
void Openfile();
void Savefile();
void SaveAsfile();
void PrintFile();
void setFont();
void setColor();
void getDate();
void aboutWebsiteSlot();
void aboutSoftwareSlot();
private:
Ui::MainWindow *ui;
QString savefilename;
};
#endif // MAINWINDOW_H
#include "about.h"
#include "ui_about.h"
#include <QDebug>
about::about(QWidget *parent) :
QDialog(parent),
ui(new Ui::about)
{
ui->setupUi(this);
//实例化
this->movie = new QMovie("pe_4.gif");
ui->movie_label->setMovie(movie);
this->movie->start();
qDebug()<<"this git have frame"<<movie->frameCount();
this->connect(ui->startB,SIGNAL(clicked()),this,SLOT(moviestart()));
QObject::connect(ui->stopB,SIGNAL(clicked()),this,SLOT(moviestop()));
}
about::~about()
{
delete ui;
}
void about::moviestart()
{
this->movie->start();
}
void about::moviestop()
{
this->movie->stop();
}
/* 打开--文件路径--filedialog--Qfile.open---QTextStream
文件属性
Qfile setFileName
QFileDialog getOpenfileName(this,"open file 标题"，"路径"，"过滤")
QDir
QTextStream
Gtk-Message: 09:25:06.890: GtkDialog mapped without a transient parent. This is discouraged.
QColor
QFront
QFrontDialog
QDateTime 格式 hh:mm YYYY/M/dd
YYYY/M/dd hh:mm
添加图标：(放在工程目录下)
美工： 添加资源文件 --添加新文件---QT---rescurse file---res(名称)--添加前缀（add prefix）--添加文件（add file）--ui --edit--icon --choice
ui->passLineEdit->setEchoModel(QLineEdit::Password) ; //非明文显示
全局的qApp QCoreApplication::instance();
应用程序实例化指针
OllyDBG_1.8
关闭事件 dialog.exe()返回值
打包：
release 编译
ldd 查看依赖
导出依赖
*/
#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QDebug>
#include <QFileDialog>
#include <QMessageBox>
#include <QDir>
#include <QTextStream>
#include <QFontDialog>
#include <QFont>
#include <QColorDialog>
#include <QColor>
#include <QDateTime>
#include <QUrl> //地址
#include <QDesktopServices> //访问桌面服务额
#include <QSound>
#include <QCloseEvent>
//所有的事件都是受保护的 QWiget
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setWindowTitle("Unititled --noted"); //设置标题
//fimemenu
QSound::play("tts.wav");
QObject::connect(ui->actionNewFile,SIGNAL(triggered()),this,SLOT(Newfile()));
QObject::connect(ui->actionOpen,SIGNAL(triggered()),this,SLOT(Openfile()));
QObject::connect(ui->actionSave,SIGNAL(triggered()),this,SLOT(Savefile()));
QObject::connect(ui->actionasSave,SIGNAL(triggered()),this,SLOT(SaveAsfile()));
QObject::connect(ui->actionExit,SIGNAL(triggered()),this,SLOT(close()));
//edit
QObject::connect(ui->udaction,SIGNAL(triggered()),ui->textEdit,SLOT(undo()));
QObject::connect(ui->rdaction,SIGNAL(triggered()),ui->textEdit,SLOT(redo()));
QObject::connect(ui->cpaction,SIGNAL(triggered()),ui->textEdit,SLOT(copy()));
QObject::connect(ui->cuaction,SIGNAL(triggered()),ui->textEdit,SLOT(cut()));
QObject::connect(ui->psaction,SIGNAL(triggered()),ui->textEdit,SLOT(paste()));
QObject::connect(ui->allaction,SIGNAL(triggered()),ui->textEdit,SLOT(selectAll()));
QObject::connect(ui->coloraction,SIGNAL(triggered()),this,SLOT(setColor()));
QObject::connect(ui->fontaction,SIGNAL(triggered()),this,SLOT(setFont()));
QObject::connect(ui->dtaction,SIGNAL(triggered()),this,SLOT(getDate()));
QObject::connect(ui->action_QT_Q,SIGNAL(triggered()),qApp,SLOT(aboutQt()));
QObject::connect(ui->action_W,SIGNAL(triggered()),this,SLOT(aboutWebsiteSlot()));
QObject::connect(ui->action_S,SIGNAL(triggered()),this,SLOT(aboutSoftwareSlot()));
}
MainWindow::~MainWindow()
{
delete ui;
// 对像 垃圾回收机制 只针对图形对象 容器 qtgui
//qtCore 核心模块 需要手动释放
}
void MainWindow::closeEvent(QCloseEvent *event)
{
if(ui->textEdit->document()->isModified())
{
QMessageBox msgBox;
msgBox.setText("文件以修改。");
msgBox.setInformativeText("是否需要保存？");
msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Save);
int ret = msgBox.exec();
switch (ret) {
case QMessageBox::Save:
// Save was clicked
this->Savefile();
break;
case QMessageBox::Discard:
// Don't Save was clicked
event->accept();
break;
case QMessageBox::Cancel:
// Cancel was clicked
event->ignore();
break;
default:
// should never be reached
break;
}
}
}
void MainWindow::Newfile()
{
//判断是佛改变
if(ui->textEdit->document()->isModified())
{
ui->textEdit->clear();
}
else
{
//清空编辑区内容
ui->textEdit->clear();
//改变窗口
this->setWindowTitle("Untitle.txt -----selen");
}
}
//打开文件
void MainWindow::Openfile()
{
//获得文件名 标题 起始路径
savefilename = QFileDialog::getOpenFileName(this,"Open File",QDir::currentPath());
qDebug()<<savefilename;
if(savefilename.isEmpty()) //isNULL
{
QMessageBox::information(this,"Error Message","Please Slect a Textfile");
return;
}
//文件指针
QFile *file = new QFile;
file->setFileName(savefilename);
bool ok=file->open(QIODevice::ReadOnly);
if(ok)
{
//打开文件 流 内存 对流操作快 read write 是对磁盘操作
//
QTextStream in(file);
ui->textEdit->setText(in.readAll()); //
file->close();
this->setWindowTitle(savefilename+"-----selen");
delete file; //属于QCore 模块需要手动释放 图形类对象有一是QTGUI 有一个守护指针自动释放
}
else
{
// 标题 信息
QMessageBox::information(this,"Error Message","File open error"+file->errorString());
return ;
}
}
void MainWindow::SaveAsfile()
{
savefilename = QFileDialog::getSaveFileName(this,"Save File",QDir::currentPath());
if(savefilename.isEmpty())
{
QMessageBox::information(this,"Error Message","Please Select a Text File.");
return ;
}
//创建文件对象
QFile *file = new QFile;
//设置文件名称
file->setFileName(savefilename);
bool ok = file->open(QIODevice::WriteOnly);
if(ok)
{
QTextStream out(file);
//cout <<
out<<ui->textEdit->toPlainText(); //转换为纯文本
file->close();
delete file;//删除文件对象
}
else
{
QMessageBox::information(this,"Error Message","Save File Error"+file->errorString());
return ;
}
}
void MainWindow::Savefile()
{
//当前
if(savefilename.isEmpty())
{
this->SaveAsfile();
}
else
{
QFile *file = new QFile;
//设置文件名称
file->setFileName(savefilename);
bool ok = file->open(QIODevice::WriteOnly);
if(ok)
{
QTextStream out(file);
//cout <<
out<<ui->textEdit->toPlainText(); //转换为纯文本
file->close();
//设置当前标题
this->setWindowTitle(savefilename+"-----selen");
delete file;//删除文件对象
}
}
}
void MainWindow::PrintFile()
{
//PrintDialog
}
void MainWindow::setFont()
{
//get user select font
bool ok;
QFont font = QFontDialog::getFont(&ok,this);
if(ok)
{
ui->textEdit->setFont(font);
}
else
{
QMessageBox::information(this,"Error Message","Error Set font!! ");
}
}
void MainWindow::setColor()
{ //创建颜色对象
QColor color = QColorDialog::getColor(Qt::red,this);
if(color.isValid())
{
ui->textEdit->setTextColor(color);
}
else
{
QMessageBox::information(this,"Error Massage","Color is isValid!!");
}
}
void MainWindow::getDate()
{
QDateTime current = QDateTime::currentDateTime();
//按照指定格式 转化为字符串
QString time = current.toString("hh:mm yyyy/M/dd");
ui->textEdit->append(time);
}
void MainWindow::aboutWebsiteSlot()
{//直接打开 启动桌面服务
QDesktopServices::openUrl(QUrl("https://home.cnblogs.com/u/countryboy666/"));
}
void MainWindow::aboutSoftwareSlot()
{
about *dialog = new about;
dialog->show();
//dialog->exec();
}
#include "mainwindow.h"
#include <QApplication>
#include <QPixmap>
#include <QSplashScreen>
#include <QTime>
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
//加载图片
QPixmap pixmap("1bitX.png");
//显示屏幕
QSplashScreen splash(pixmap);
splash.show();
//
// for(long long index = 0;index<8000000000000000000;index++);
// sleep(1);
//处理事情
//延时
QTime t;
t.start();
while(t.elapsed()<1000)
QCoreApplication::processEvents();
MainWindow w;
w.show();
splash.finish(&w);
return a.exec();
}
