making clangd happy and making script to compile/build with run.sh
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talksik
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# Copyright (C) 2023 The Qt Company Ltd.
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# SPDX-License-Identifier: BSD-3-Clause
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find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets
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OPTIONAL_COMPONENTS PrintSupport)
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qt_add_plugin(txtviewer
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CLASS_NAME TxtViewer
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txtviewer.cpp txtviewer.h
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)
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set_target_properties(txtviewer PROPERTIES
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LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/app"
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)
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target_include_directories(txtviewer PRIVATE
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../../app
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)
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target_link_libraries(txtviewer PRIVATE
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Qt6::Core
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Qt6::Gui
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Qt6::Widgets
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abstractviewer
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)
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if(TARGET Qt6::PrintSupport)
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target_link_libraries(txtviewer PRIVATE Qt6::PrintSupport)
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endif()
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install(TARGETS jsonviewer
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BUNDLE DESTINATION "${INSTALL_EXAMPLEDIR}/plugins"
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LIBRARY DESTINATION "${INSTALL_EXAMPLEDIR}/plugins"
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)
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@@ -0,0 +1,196 @@
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// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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//! [init]
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#include "txtviewer.h"
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#include <QFileDialog>
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#include <QMainWindow>
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#include <QMenu>
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#include <QMenuBar>
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#include <QPlainTextEdit>
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#include <QScrollBar>
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#include <QToolBar>
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#include <QGuiApplication>
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#include <QPainter>
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#include <QTextDocument>
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#include <QDir>
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#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
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#include <QPrinter>
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#include <QPrintDialog>
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#endif
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using namespace Qt::StringLiterals;
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TxtViewer::TxtViewer()
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{
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connect(this, &AbstractViewer::uiInitialized, this, &TxtViewer::setupTxtUi);
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}
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TxtViewer::~TxtViewer() = default;
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void TxtViewer::init(QFile *file, QWidget *parent, QMainWindow *mainWindow)
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{
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AbstractViewer::init(file, new QPlainTextEdit(parent), mainWindow);
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m_textEdit = qobject_cast<QPlainTextEdit *>(widget());
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}
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QStringList TxtViewer::supportedMimeTypes() const
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{
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return {"text/plain"_L1};
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}
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void TxtViewer::setupTxtUi()
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{
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QMenu *editMenu = addMenu(tr("&Edit"));
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QToolBar *editToolBar = addToolBar(tr("Edit"));
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#ifndef QT_NO_CLIPBOARD
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const QIcon cutIcon = QIcon::fromTheme("edit-cut"_L1,
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QIcon(":/demos/documentviewer/images/cut.png"_L1));
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QAction *cutAct = new QAction(cutIcon, tr("Cu&t"), this);
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cutAct->setShortcuts(QKeySequence::Cut);
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cutAct->setStatusTip(tr("Cut the current selection's contents to the "
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"clipboard"));
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connect(cutAct, &QAction::triggered, m_textEdit, &QPlainTextEdit::cut);
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editMenu->addAction(cutAct);
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editToolBar->addAction(cutAct);
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const QIcon copyIcon = QIcon::fromTheme("edit-copy"_L1,
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QIcon(":/demos/documentviewer/images/copy.png"_L1));
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QAction *copyAct = new QAction(copyIcon, tr("&Copy"), this);
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copyAct->setShortcuts(QKeySequence::Copy);
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copyAct->setStatusTip(tr("Copy the current selection's contents to the "
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"clipboard"));
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connect(copyAct, &QAction::triggered, m_textEdit, &QPlainTextEdit::copy);
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editMenu->addAction(copyAct);
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editToolBar->addAction(copyAct);
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const QIcon pasteIcon = QIcon::fromTheme("edit-paste"_L1,
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QIcon(":/demos/documentviewer/images/paste.png"_L1));
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QAction *pasteAct = new QAction(pasteIcon, tr("&Paste"), this);
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pasteAct->setShortcuts(QKeySequence::Paste);
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pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
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"selection"));
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connect(pasteAct, &QAction::triggered, m_textEdit, &QPlainTextEdit::paste);
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editMenu->addAction(pasteAct);
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editToolBar->addAction(pasteAct);
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menuBar()->addSeparator();
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cutAct->setEnabled(false);
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copyAct->setEnabled(false);
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connect(m_textEdit, &QPlainTextEdit::copyAvailable, cutAct, &QAction::setEnabled);
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connect(m_textEdit, &QPlainTextEdit::copyAvailable, copyAct, &QAction::setEnabled);
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#endif // !QT_NO_CLIPBOARD
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openFile();
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connect(m_textEdit, &QPlainTextEdit::textChanged, this, [&](){
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maybeSetPrintingEnabled(hasContent());
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});
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connect(m_uiAssets.back, &QAction::triggered, m_textEdit, [&](){
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auto *bar = m_textEdit->verticalScrollBar();
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if (bar->value() > bar->minimum())
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bar->setValue(bar->value() - 1);
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});
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connect(m_uiAssets.forward, &QAction::triggered, m_textEdit, [&](){
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auto *bar = m_textEdit->verticalScrollBar();
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if (bar->value() < bar->maximum())
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bar->setValue(bar->value() + 1);
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});
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}
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//! [init]
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//! [open]
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void TxtViewer::openFile()
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{
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const QString type = tr("open");
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if (!m_file->open(QFile::ReadOnly | QFile::Text)) {
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statusMessage(tr("Cannot read file %1:\n%2.")
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.arg(QDir::toNativeSeparators(m_file->fileName()),
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m_file->errorString()), type);
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return;
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}
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QTextStream in(m_file.get());
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#ifndef QT_NO_CURSOR
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QGuiApplication::setOverrideCursor(Qt::WaitCursor);
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#endif
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if (!m_textEdit->toPlainText().isEmpty()) {
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m_textEdit->clear();
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disablePrinting();
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}
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m_textEdit->setPlainText(in.readAll());
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#ifndef QT_NO_CURSOR
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QGuiApplication::restoreOverrideCursor();
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#endif
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statusMessage(tr("File %1 loaded.")
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.arg(QDir::toNativeSeparators(m_file->fileName())), type);
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maybeEnablePrinting();
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}
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//! [open]
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//! [infoPrintAndSave]
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bool TxtViewer::hasContent() const
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{
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return (!m_textEdit->toPlainText().isEmpty());
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}
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#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
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void TxtViewer::printDocument(QPrinter *printer) const
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{
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if (!hasContent())
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return;
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m_textEdit->print(printer);
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}
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#endif // QT_DOCUMENTVIEWER_PRINTSUPPORT
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bool TxtViewer::saveFile(QFile *file)
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{
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QString errorMessage;
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QGuiApplication::setOverrideCursor(Qt::WaitCursor);
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if (file->open(QFile::WriteOnly | QFile::Text)) {
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QTextStream out(file);
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out << m_textEdit->toPlainText();
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} else {
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errorMessage = tr("Cannot open file %1 for writing:\n%2.")
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.arg(QDir::toNativeSeparators(file->fileName())),
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file->errorString();
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}
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QGuiApplication::restoreOverrideCursor();
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if (!errorMessage.isEmpty()) {
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statusMessage(errorMessage);
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return false;
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}
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statusMessage(tr("File %1 saved")
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.arg(QDir::toNativeSeparators(file->fileName())));
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return true;
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}
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bool TxtViewer::saveDocumentAs()
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{
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QFileDialog dialog(mainWindow());
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dialog.setWindowModality(Qt::WindowModal);
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dialog.setAcceptMode(QFileDialog::AcceptSave);
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if (dialog.exec() != QDialog::Accepted)
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return false;
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const QStringList &files = dialog.selectedFiles();
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if (files.isEmpty())
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return false;
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//newFile();
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m_file->setFileName(files.first());
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return saveDocument();
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}
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//! [infoPrintAndSave]
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@@ -0,0 +1,50 @@
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// Copyright (C) 2023 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
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#ifndef TXTVIEWER_H
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#define TXTVIEWER_H
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#include "viewerinterfaces.h"
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QT_BEGIN_NAMESPACE
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class QPlainTextEdit;
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QT_END_NAMESPACE
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//! [interfacing]
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class TxtViewer : public ViewerInterface
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{
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Q_OBJECT
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Q_PLUGIN_METADATA(IID "org.qt-project.Qt.Examples.DocumentViewer.ViewerInterface" FILE "txtviewer.json")
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Q_INTERFACES(ViewerInterface)
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//! [interfacing]
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//! [classDefinition]
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public:
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TxtViewer();
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~TxtViewer() override;
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void init(QFile *file, QWidget *parent, QMainWindow *mainWindow) override;
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QString viewerName() const override { return QLatin1StringView(staticMetaObject.className()); };
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QStringList supportedMimeTypes() const override;
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bool saveDocument() override { return saveFile(m_file.get()); };
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bool saveDocumentAs() override;
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bool hasContent() const override;
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QByteArray saveState() const override { return {}; }
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bool restoreState(QByteArray &) override { return true; }
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bool supportsOverview() const override { return false; }
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#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
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protected:
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void printDocument(QPrinter *printer) const override;
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#endif // QT_DOCUMENTVIEWER_PRINTSUPPORT
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private slots:
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void setupTxtUi();
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private:
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void openFile();
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bool saveFile (QFile *file);
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QPlainTextEdit *m_textEdit;
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};
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//! [classDefinition]
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#endif //TXTVIEWER_H
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@@ -0,0 +1 @@
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{ "Keys": [ "txtviewer" ] }
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