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c语言入门：用qt实现简单IDE

时间：2020-10-05 14:17:33 C语言 我要投稿

c语言入门：用qt实现简单IDE

　　正在学习C语言的大家，知道用qt如何实现实现简单IDE吗?想是小编为大家搜集整理出来的有关于c语言入门：用qt实现简单IDE，希望可以帮助到大家!

　　main.cpp

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#include "mainwindow.h"
#include <qapplication>
 
int main(int argc, char *argv[])
{
    QApplication a(argc, argv);
    MainWindow w;
    w.resize(1000,800);
    w.show();
 
    return a.exec();
}</qapplication>

　　mainwindow.h

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#ifndef MAINWINDOW_H
#define MAINWINDOW_H
 
#include <qmainwindow>
#include <qtextedit>
#include <qmenu>
#include <qmenubar>
namespace Ui {
class MainWindow;
}
 
class MainWindow : public QMainWindow
{
    Q_OBJECT
 
public:
    explicit MainWindow(QWidget *parent = 0);
    QString file_path;
    QTextEdit *te;
    QMenu *file;
    QMenu *edit;
    QMenu *build;
    QAction *open;
    QAction *save;
    QAction *exit_;
 
    QAction *copy;
    QAction *paste;
    QAction *cut;
 
    QAction *buildc;
    QAction *run;
 
    ~MainWindow();
 
private:
    Ui::MainWindow *ui;
 
private slots:
    void on_open_click();
    void on_save_click();
    void on_exit_click();
 
    void on_copy_click();
    void on_paste_click();
    void on_cut_click();
 
    void on_buildc_click();
    void on_run_click();
};
 
#endif // MAINWINDOW_H
</qmenubar></qmenu></qtextedit></qmainwindow>

　　mainwindow.cpp

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#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <stdlib.h>
#include <qfiledialog>
#include <qmessagebox>
//#include <>
MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
 
    ui->setupUi(this);
    te=new QTextEdit;
    QFont font;
    font.setPointSize(10);
    te->setFont(font);
    this->setCentralWidget(te);
 
    file=new QMenu("file");
    this->menuBar()->addMenu(file);
    edit=new QMenu("edit");
    this->menuBar()->addMenu(edit);
    build=new QMenu("build");
    this->menuBar()->addMenu(build);
 
 
    open=new QAction("open");
    open->setShortcut(tr("ctrl+o"));
    file->addAction(open);
 
    save=new QAction("save");
    save->setShortcut(tr("ctrl+s"));
    file->addAction(save);
 
    exit_=new QAction("eixt");
    exit_->setShortcut(tr("ctrl+q"));
    file->addAction(exit_);
 
    connect(open,SIGNAL(triggered()),this,SLOT(on_open_click()));
    connect(save,SIGNAL(triggered()),this,SLOT(on_save_click()));
    connect(exit_,SIGNAL(triggered()),this,SLOT(on_exit_click()));
 
 
    copy=new QAction("copy");
    copy->setShortcut(tr("ctrl+c"));
    edit->addAction(copy);
    paste=new QAction("paste");
    paste->setShortcut(tr("ctrl+v"));
    edit->addAction(paste);
    cut=new QAction("cut");
    cut->setShortcut(tr("ctrl+x"));
    edit->addAction(cut);
 
    connect(copy,SIGNAL(triggered()),this,SLOT(on_copy_click()));
    connect(paste,SIGNAL(triggered()),this,SLOT(on_paste_click()));
    connect(cut,SIGNAL(triggered()),this,SLOT(on_cut_click()));
 
    buildc=new QAction("buildc");
    buildc->setShortcut(tr("ctrl+m"));
    build->addAction(buildc);
    run=new QAction("run");
    run->setShortcut(tr("ctrl+r"));
    build->addAction(run);
 
    connect(buildc,SIGNAL(triggered()),this,SLOT(on_buildc_click()));
    connect(run,SIGNAL(triggered()),this,SLOT(on_run_click()));
}
 
MainWindow::~MainWindow()
{
     ui;
     te;
     file;
     edit;
     build;
 
     open;
     save;
     exit_;
     copy;
     paste;
     cut;
     buildc;
     run;
 
}
void MainWindow::on_open_click()
{
    file_path=QFileDialog::getOpenFileName();
    if(file_path.isEmpty())
        return;
 
    FILE *p =fopen(file_path.toStdString().data(),"r");
    if(p==NULL)
    {
        QMessageBox::information(this,"notify","open file failure.");
        return;
    }
 
    QString content;
    char buf[1024]={0};
 
    while(!feof(p)){
        content+=  fgets(buf,sizeof(buf),p);
    }
    fclose(p);
    te->setText(content);
 
}
 
void MainWindow::on_save_click()
{
 
    file_path=QFileDialog::getSaveFileName();
    if(file_path==NULL)return;
 
    FILE *p=fopen(file_path.toStdString().data(),"w");
    fputs(te->toPlainText().toStdString().data(),p);
    fclose(p);
 
}
 
 
void MainWindow::on_exit_click()
{
    exit(0);
}
 
void MainWindow::on_copy_click()
{
    te->copy();
}
void MainWindow::on_paste_click()
{
    te->paste();
 
}
void MainWindow::on_cut_click()
{
    te->cut();
}
 
void MainWindow::on_buildc_click()
{
 
    QString dest=file_path;
    dest.replace(".c","");
    system(("gcc -o "+ dest +" "+ file_path).toStdString().data());
    QMessageBox::information(this,"notify","build success!");
 
}
 
void MainWindow::on_run_click()
{
 
    QString dest=file_path;
    dest.replace(".c","");
    system(dest.toStdString().data());
 
 
}
 
</qmessagebox></qfiledialog></stdlib.h>


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