cppcheck/gui/helpdialog.cpp at main · cppchecksolutions/cppcheck · GitHub

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* Cppcheck - A tool for static C/C++ code analysis

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <http://www.gnu.org/licenses/>.

#include "helpdialog.h"

#include "common.h"

#include "utils.h"

#include "ui_helpdialog.h"

#include <QApplication>

#include <QFileInfo>

#include <QHelpEngine>

#include <QHelpContentWidget>

#include <QHelpIndexWidget>

#include <QMessageBox>

#include <QString>

#include <QStringList>

#include <QUrl>

#include <QVBoxLayout>

class QWidget;

void HelpBrowser::setHelpEngine(QHelpEngine *helpEngine)

{

mHelpEngine = helpEngine;

}

QVariant HelpBrowser::loadResource(int type, const QUrl &name)

{

if (name.scheme() == "qthelp") {

QString url(name.toString());

while (url.indexOf("/./") > 0)

url.remove(url.indexOf("/./"), 2);

return QVariant(mHelpEngine->fileData(QUrl(url)));

}

return QTextBrowser::loadResource(type, name);

}

static QString getHelpFile()

{

const QString datadir = getDataDir();

QStringList paths;

paths << (datadir + "/help")

<< datadir

<< (QApplication::applicationDirPath() + "/help")

<< QApplication::applicationDirPath();

#ifdef FILESDIR

const QString filesdir = FILESDIR;

paths << (filesdir + "/help")

<< filesdir;

#endif

for (const QString &p: utils::as_const(paths)) {

QString filename = p + "/online-help.qhc";

if (QFileInfo::exists(filename))

return filename;

}

return QString();

}

HelpDialog::HelpDialog(QWidget *parent) :

QDialog(parent),

mUi(new Ui::HelpDialog)

{

mUi->setupUi(this);

QString helpFile = getHelpFile();

if (helpFile.isEmpty()) {

const QString msg = tr("Helpfile '%1' was not found").arg("online-help.qhc");

QMessageBox msgBox(QMessageBox::Warning,

"Cppcheck",

msg,

QMessageBox::Ok,

this);

msgBox.exec();

mHelpEngine = nullptr;

return;

}

mHelpEngine = new QHelpEngine(helpFile);

// Disable the timestamp check of online-help.qhc by setting _q_readonly

mHelpEngine->setProperty("_q_readonly", QVariant::fromValue<bool>(true));

mHelpEngine->setupData();

mUi->contents->addWidget(mHelpEngine->contentWidget());

mUi->index->addWidget(mHelpEngine->indexWidget());

mUi->textBrowser->setHelpEngine(mHelpEngine);

mUi->textBrowser->setSource(QUrl("qthelp://cppcheck.sourceforge.io/doc/index.html"));

connect(mHelpEngine->contentWidget(),

SIGNAL(linkActivated(QUrl)),

mUi->textBrowser,

SLOT(setSource(QUrl)));

connect(mHelpEngine->indexWidget(),

SIGNAL(linkActivated(QUrl,QString)),

mUi->textBrowser,

SLOT(setSource(QUrl)));

}

HelpDialog::~HelpDialog()

{

delete mUi;

delete mHelpEngine;

}

cppcheck/gui/helpdialog.cpp at main · cppchecksolutions/cppcheck · GitHub

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