92 lines
2.3 KiB
C++
92 lines
2.3 KiB
C++
/*
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* Copyright (C) 2019 ~ 2019 touwoyimuli. All rights reserved.
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*
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* Author: touwoyimuli <touwoyimuli@gmai.com>
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*
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* github: https://github.com/touwoyimuli
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* blogs: https://touwoyimuli.github.io/
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://touwoyimuli.github.io/>.
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*/
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#include "ExMDI.h"
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#include "ui_ExMDI.h"
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ExMDI::ExMDI(QWidget *parent) :
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QWidget(parent),
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ui(new Ui::ExMDI)
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{
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ui->setupUi(this);
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setWindowTitle("多文档界面MDI (Multi-dociment Interface) 的介绍和使用");
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setAttribute(Qt::WA_DeleteOnClose); //无论是否设置关闭时候删除；在MDI中关闭一个MDI子窗口都会删除子窗口对象
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this->setWindowIcon(QIcon("/Users/yuanyi/picture/发布、头像、测试图片/icon.png"));
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}
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ExMDI::~ExMDI()
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{
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delete ui;
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}
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//打开文件
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void ExMDI::loadFromFile(QString &fileName)
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{
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QFile file(fileName); //文件以读的方式读出
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if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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QTextStream stream(&file); //以文本流方式读取文件
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ui->plainTextEdit->clear();
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ui->plainTextEdit->setPlainText(stream.readAll());
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file.close();
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m_currentFile = fileName;
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QFileInfo fileInfo(fileName); //文件信息
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setWindowTitle(fileInfo.fileName());
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m_fileOpened = true;
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}
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}
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QString ExMDI::currentFileName()
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{
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return m_currentFile;
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}
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bool ExMDI::isFileOpended()
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{
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return m_fileOpened;
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}
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void ExMDI::setEditFont()
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{
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QFont font = ui->plainTextEdit->font();
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bool ok;
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font = QFontDialog::getFont(&ok, font);
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ui->plainTextEdit->setFont(font);
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}
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void ExMDI::textCut()
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{
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ui->plainTextEdit->cut();
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}
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void ExMDI::textCopy()
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{
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ui->plainTextEdit->copy();
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}
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void ExMDI::textPaste()
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{
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ui->plainTextEdit->paste();
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}
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