making clangd happy and making script to compile/build with run.sh

2024-02-07 13:12:51 -08:00
commit 45c681e7be
79 changed files with 4235 additions and 0 deletions
@@ -0,0 +1,196 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
+
+//! [init]
+#include "txtviewer.h"
+
+#include <QFileDialog>
+#include <QMainWindow>
+#include <QMenu>
+#include <QMenuBar>
+#include <QPlainTextEdit>
+#include <QScrollBar>
+#include <QToolBar>
+
+#include <QGuiApplication>
+#include <QPainter>
+#include <QTextDocument>
+
+#include <QDir>
+
+#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
+#include <QPrinter>
+#include <QPrintDialog>
+#endif
+
+using namespace Qt::StringLiterals;
+
+TxtViewer::TxtViewer()
+{
+    connect(this, &AbstractViewer::uiInitialized, this, &TxtViewer::setupTxtUi);
+}
+
+TxtViewer::~TxtViewer() = default;
+
+void TxtViewer::init(QFile *file, QWidget *parent, QMainWindow *mainWindow)
+{
+    AbstractViewer::init(file, new QPlainTextEdit(parent), mainWindow);
+    m_textEdit = qobject_cast<QPlainTextEdit *>(widget());
+}
+
+QStringList TxtViewer::supportedMimeTypes() const
+{
+    return {"text/plain"_L1};
+}
+
+void TxtViewer::setupTxtUi()
+{
+    QMenu *editMenu = addMenu(tr("&Edit"));
+    QToolBar *editToolBar = addToolBar(tr("Edit"));
+#ifndef QT_NO_CLIPBOARD
+    const QIcon cutIcon = QIcon::fromTheme("edit-cut"_L1,
+                                           QIcon(":/demos/documentviewer/images/cut.png"_L1));
+    QAction *cutAct = new QAction(cutIcon, tr("Cu&t"), this);
+    cutAct->setShortcuts(QKeySequence::Cut);
+    cutAct->setStatusTip(tr("Cut the current selection's contents to the "
+                            "clipboard"));
+    connect(cutAct, &QAction::triggered, m_textEdit, &QPlainTextEdit::cut);
+    editMenu->addAction(cutAct);
+    editToolBar->addAction(cutAct);
+
+    const QIcon copyIcon = QIcon::fromTheme("edit-copy"_L1,
+                                            QIcon(":/demos/documentviewer/images/copy.png"_L1));
+    QAction *copyAct = new QAction(copyIcon, tr("&Copy"), this);
+    copyAct->setShortcuts(QKeySequence::Copy);
+    copyAct->setStatusTip(tr("Copy the current selection's contents to the "
+                             "clipboard"));
+    connect(copyAct, &QAction::triggered, m_textEdit, &QPlainTextEdit::copy);
+    editMenu->addAction(copyAct);
+    editToolBar->addAction(copyAct);
+
+    const QIcon pasteIcon = QIcon::fromTheme("edit-paste"_L1,
+                                             QIcon(":/demos/documentviewer/images/paste.png"_L1));
+    QAction *pasteAct = new QAction(pasteIcon, tr("&Paste"), this);
+    pasteAct->setShortcuts(QKeySequence::Paste);
+    pasteAct->setStatusTip(tr("Paste the clipboard's contents into the current "
+                              "selection"));
+    connect(pasteAct, &QAction::triggered, m_textEdit, &QPlainTextEdit::paste);
+    editMenu->addAction(pasteAct);
+    editToolBar->addAction(pasteAct);
+
+    menuBar()->addSeparator();
+
+    cutAct->setEnabled(false);
+    copyAct->setEnabled(false);
+    connect(m_textEdit, &QPlainTextEdit::copyAvailable, cutAct, &QAction::setEnabled);
+    connect(m_textEdit, &QPlainTextEdit::copyAvailable, copyAct, &QAction::setEnabled);
+#endif // !QT_NO_CLIPBOARD
+
+    openFile();
+
+    connect(m_textEdit, &QPlainTextEdit::textChanged, this, [&](){
+        maybeSetPrintingEnabled(hasContent());
+    });
+
+    connect(m_uiAssets.back, &QAction::triggered, m_textEdit, [&](){
+        auto *bar = m_textEdit->verticalScrollBar();
+        if (bar->value() > bar->minimum())
+            bar->setValue(bar->value() - 1);
+    });
+
+    connect(m_uiAssets.forward, &QAction::triggered, m_textEdit, [&](){
+        auto *bar = m_textEdit->verticalScrollBar();
+        if (bar->value() < bar->maximum())
+            bar->setValue(bar->value() + 1);
+    });
+}
+//! [init]
+
+//! [open]
+void TxtViewer::openFile()
+{
+    const QString type = tr("open");
+    if (!m_file->open(QFile::ReadOnly | QFile::Text)) {
+        statusMessage(tr("Cannot read file %1:\n%2.")
+                      .arg(QDir::toNativeSeparators(m_file->fileName()),
+                           m_file->errorString()), type);
+        return;
+    }
+
+    QTextStream in(m_file.get());
+#ifndef QT_NO_CURSOR
+    QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+#endif
+    if (!m_textEdit->toPlainText().isEmpty()) {
+        m_textEdit->clear();
+        disablePrinting();
+    }
+    m_textEdit->setPlainText(in.readAll());
+#ifndef QT_NO_CURSOR
+    QGuiApplication::restoreOverrideCursor();
+#endif
+
+    statusMessage(tr("File %1 loaded.")
+                  .arg(QDir::toNativeSeparators(m_file->fileName())), type);
+    maybeEnablePrinting();
+}
+//! [open]
+
+//! [infoPrintAndSave]
+bool TxtViewer::hasContent() const
+{
+    return (!m_textEdit->toPlainText().isEmpty());
+}
+
+#ifdef QT_DOCUMENTVIEWER_PRINTSUPPORT
+void TxtViewer::printDocument(QPrinter *printer) const
+{
+    if (!hasContent())
+        return;
+
+    m_textEdit->print(printer);
+}
+#endif // QT_DOCUMENTVIEWER_PRINTSUPPORT
+
+bool TxtViewer::saveFile(QFile *file)
+{
+    QString errorMessage;
+
+    QGuiApplication::setOverrideCursor(Qt::WaitCursor);
+    if (file->open(QFile::WriteOnly | QFile::Text)) {
+        QTextStream out(file);
+        out << m_textEdit->toPlainText();
+    } else {
+        errorMessage = tr("Cannot open file %1 for writing:\n%2.")
+                       .arg(QDir::toNativeSeparators(file->fileName())),
+                            file->errorString();
+    }
+    QGuiApplication::restoreOverrideCursor();
+
+    if (!errorMessage.isEmpty()) {
+        statusMessage(errorMessage);
+        return false;
+    }
+
+    statusMessage(tr("File %1 saved")
+                  .arg(QDir::toNativeSeparators(file->fileName())));
+    return true;
+}
+
+bool TxtViewer::saveDocumentAs()
+{
+    QFileDialog dialog(mainWindow());
+    dialog.setWindowModality(Qt::WindowModal);
+    dialog.setAcceptMode(QFileDialog::AcceptSave);
+    if (dialog.exec() != QDialog::Accepted)
+        return false;
+
+    const QStringList &files = dialog.selectedFiles();
+    if (files.isEmpty())
+        return false;
+
+    //newFile();
+    m_file->setFileName(files.first());
+    return saveDocument();
+}
+//! [infoPrintAndSave]