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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "openpagesmanager.h"
#include "helpconstants.h"
#include "helptr.h"
#include "helpviewer.h"
#include "helpwidget.h"
#include "localhelpmanager.h"
#include "openpagesswitcher.h"
#include "openpageswidget.h"
#include <coreplugin/coreconstants.h>
#include <coreplugin/modemanager.h>
#include <utils/qtcassert.h>
#include <utils/stringutils.h>
#include <utils/styledbar.h>
#include <QApplication>
#include <QClipboard>
#include <QComboBox>
#include <QMenu>
#include <QHelpEngine>
using namespace Core;
namespace Help::Internal {
// -- OpenPagesManager
OpenPagesManager::OpenPagesManager(HelpWidget *helpWidget)
: m_helpWidget(helpWidget)
{
m_comboBox = new QComboBox;
m_comboBox->setModel(m_helpWidget->model());
m_comboBox->setContextMenuPolicy(Qt::CustomContextMenu);
connect(m_comboBox, &QComboBox::activated, m_helpWidget, &HelpWidget::setCurrentIndex);
connect(m_helpWidget, &HelpWidget::currentIndexChanged, m_comboBox, &QComboBox::setCurrentIndex);
connect(m_comboBox, &QWidget::customContextMenuRequested,
this, &OpenPagesManager::openPagesContextMenu);
m_openPagesSwitcher = new OpenPagesSwitcher(m_helpWidget->model());
connect(m_openPagesSwitcher, &OpenPagesSwitcher::closePage, this,
&OpenPagesManager::closePage);
connect(m_openPagesSwitcher,
&OpenPagesSwitcher::setCurrentPage,
m_helpWidget,
[this](const QModelIndex &index) { m_helpWidget->setCurrentIndex(index.row()); });
connect(m_helpWidget,
&HelpWidget::currentIndexChanged,
m_openPagesSwitcher,
&OpenPagesSwitcher::selectCurrentPage);
}
OpenPagesManager ::~OpenPagesManager()
{
delete m_openPagesSwitcher;
}
QWidget *OpenPagesManager::openPagesWidget() const
{
if (!m_openPagesWidget) {
m_openPagesWidget = new OpenPagesWidget(m_helpWidget->model());
connect(m_openPagesWidget,
&OpenPagesWidget::setCurrentPage,
m_helpWidget,
[this](const QModelIndex &index) { m_helpWidget->setCurrentIndex(index.row()); });
connect(m_helpWidget,
&HelpWidget::currentIndexChanged,
m_openPagesWidget,
&OpenPagesWidget::selectCurrentPage);
connect(m_openPagesWidget, &OpenPagesWidget::closePage,
this, &OpenPagesManager::closePage);
connect(m_openPagesWidget, &OpenPagesWidget::closePagesExcept,
this, &OpenPagesManager::closePagesExcept);
}
return m_openPagesWidget;
}
QComboBox *OpenPagesManager::openPagesComboBox() const
{
return m_comboBox;
}
QStringList splitString(const QVariant &value)
{
using namespace Help::Constants;
return value.toString().split(ListSeparator, Qt::SkipEmptyParts);
}
void OpenPagesManager::setupInitialPages()
{
const QHelpEngineCore &engine = LocalHelpManager::helpEngine();
const LocalHelpManager::StartOption option = LocalHelpManager::startOption();
QString homePage = LocalHelpManager::homePage();
int initialPage = 0;
switch (option) {
case LocalHelpManager::ShowHomePage:
m_helpWidget->addViewer(homePage);
break;
case LocalHelpManager::ShowBlankPage:
m_helpWidget->addViewer(QUrl(Help::Constants::AboutBlank));
break;
case LocalHelpManager::ShowLastPages: {
const QStringList &lastShownPageList = LocalHelpManager::lastShownPages();
const int pageCount = lastShownPageList.count();
if (pageCount > 0) {
initialPage = LocalHelpManager::lastSelectedTab();
for (int curPage = 0; curPage < pageCount; ++curPage) {
const QString &curFile = lastShownPageList.at(curPage);
if (engine.findFile(curFile).isValid() || curFile == Help::Constants::AboutBlank) {
m_helpWidget->addViewer(curFile);
} else if (curPage <= initialPage && initialPage > 0) {
--initialPage;
}
}
}
} break;
default:
break;
}
if (m_helpWidget->viewerCount() == 0)
m_helpWidget->addViewer(homePage);
m_helpWidget->setCurrentIndex(std::max(initialPage, m_helpWidget->viewerCount() - 1));
}
void OpenPagesManager::closeCurrentPage()
{
if (!m_openPagesWidget)
return;
QModelIndexList indexes = m_openPagesWidget->selectionModel()->selectedRows();
if (indexes.isEmpty())
return;
const bool returnOnClose = LocalHelpManager::returnOnClose();
if (m_helpWidget->viewerCount() == 1 && returnOnClose) {
ModeManager::activateMode(Core::Constants::MODE_EDIT);
} else {
QTC_ASSERT(indexes.count() == 1, return );
removePage(indexes.first().row());
}
}
void OpenPagesManager::closePage(const QModelIndex &index)
{
if (index.isValid())
removePage(index.row());
}
void OpenPagesManager::closePagesExcept(const QModelIndex &index)
{
if (index.isValid()) {
int i = 0;
HelpViewer *viewer = m_helpWidget->viewerAt(index.row());
while (m_helpWidget->viewerCount() > 1) {
if (m_helpWidget->viewerAt(i) != viewer)
removePage(i);
else
i++;
}
}
}
void OpenPagesManager::gotoNextPage()
{
if (!m_openPagesSwitcher->isVisible()) {
m_openPagesSwitcher->gotoNextPage();
showTwicherOrSelectPage();
} else {
m_openPagesSwitcher->gotoNextPage();
}
}
void OpenPagesManager::gotoPreviousPage()
{
if (!m_openPagesSwitcher->isVisible()) {
m_openPagesSwitcher->gotoPreviousPage();
showTwicherOrSelectPage();
} else {
m_openPagesSwitcher->gotoPreviousPage();
}
}
// -- private
void OpenPagesManager::removePage(int index)
{
QTC_ASSERT(index < m_helpWidget->viewerCount(), return );
m_helpWidget->removeViewerAt(index);
}
void OpenPagesManager::showTwicherOrSelectPage() const
{
if (QApplication::keyboardModifiers() != Qt::NoModifier) {
const int width = m_helpWidget->width();
const int height = m_helpWidget->height();
const QPoint p(m_helpWidget->mapToGlobal(QPoint(0, 0)));
m_openPagesSwitcher->move((width - m_openPagesSwitcher->width()) / 2 + p.x(),
(height - m_openPagesSwitcher->height()) / 2 + p.y());
m_openPagesSwitcher->setVisible(true);
} else {
m_openPagesSwitcher->selectAndHide();
}
}
void OpenPagesManager::openPagesContextMenu(const QPoint &point)
{
const QModelIndex &index = m_helpWidget->model()->index(m_comboBox->currentIndex(), 0);
const QString &fileName = m_helpWidget->model()->data(index, Qt::ToolTipRole).toString();
if (fileName.isEmpty())
return;
QMenu menu;
menu.addAction(Tr::tr("Copy Full Path to Clipboard"));
if (menu.exec(m_comboBox->mapToGlobal(point)))
Utils::setClipboardAndSelection(fileName);
}
} // Help::Internal
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