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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Assistant module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "globalactions.h"
+
+#include "centralwidget.h"
+#include "helpviewer.h"
+#include "tracer.h"
+
+#include <QtGui/QAction>
+#include <QtGui/QMenu>
+
+#if !defined(QT_NO_WEBKIT)
+#include <QtWebKit/QWebHistory>
+#endif
+
+GlobalActions *GlobalActions::instance(QObject *parent)
+{
+ Q_ASSERT(!m_instance != !parent);
+ if (!m_instance)
+ m_instance = new GlobalActions(parent);
+ return m_instance;
+}
+
+GlobalActions::GlobalActions(QObject *parent) : QObject(parent)
+{
+ TRACE_OBJ
+
+ // TODO: Put resource path in misc class
+ QString resourcePath = QLatin1String(":/trolltech/assistant/images/");
+#ifdef Q_OS_MAC
+ resourcePath.append(QLatin1String("mac"));
+#else
+ resourcePath.append(QLatin1String("win"));
+#endif
+ CentralWidget *centralWidget = CentralWidget::instance();
+
+ m_backAction = new QAction(tr("&Back"), parent);
+ m_backAction->setEnabled(false);
+ m_backAction->setShortcuts(QKeySequence::Back);
+ m_backAction->setIcon(QIcon(resourcePath + QLatin1String("/previous.png")));
+ connect(m_backAction, SIGNAL(triggered()), centralWidget, SLOT(backward()));
+ m_actionList << m_backAction;
+
+ m_nextAction = new QAction(tr("&Forward"), parent);
+ m_nextAction->setPriority(QAction::LowPriority);
+ m_nextAction->setEnabled(false);
+ m_nextAction->setShortcuts(QKeySequence::Forward);
+ m_nextAction->setIcon(QIcon(resourcePath + QLatin1String("/next.png")));
+ connect(m_nextAction, SIGNAL(triggered()), centralWidget, SLOT(forward()));
+ m_actionList << m_nextAction;
+
+ setupNavigationMenus(m_backAction, m_nextAction, centralWidget);
+
+ m_homeAction = new QAction(tr("&Home"), parent);
+ m_homeAction->setShortcut(tr("ALT+Home"));
+ m_homeAction->setIcon(QIcon(resourcePath + QLatin1String("/home.png")));
+ connect(m_homeAction, SIGNAL(triggered()), centralWidget, SLOT(home()));
+ m_actionList << m_homeAction;
+
+ QAction *separator = new QAction(parent);
+ separator->setSeparator(true);
+ m_actionList << separator;
+
+ m_zoomInAction = new QAction(tr("Zoom &in"), parent);
+ m_zoomInAction->setPriority(QAction::LowPriority);
+ m_zoomInAction->setIcon(QIcon(resourcePath + QLatin1String("/zoomin.png")));
+ m_zoomInAction->setShortcut(QKeySequence::ZoomIn);
+ connect(m_zoomInAction, SIGNAL(triggered()), centralWidget, SLOT(zoomIn()));
+ m_actionList << m_zoomInAction;
+
+ m_zoomOutAction = new QAction(tr("Zoom &out"), parent);
+ m_zoomOutAction->setPriority(QAction::LowPriority);
+ m_zoomOutAction->setIcon(QIcon(resourcePath + QLatin1String("/zoomout.png")));
+ m_zoomOutAction->setShortcut(QKeySequence::ZoomOut);
+ connect(m_zoomOutAction, SIGNAL(triggered()), centralWidget, SLOT(zoomOut()));
+ m_actionList << m_zoomOutAction;
+
+ separator = new QAction(parent);
+ separator->setSeparator(true);
+ m_actionList << separator;
+
+ m_copyAction = new QAction(tr("&Copy selected Text"), parent);
+ m_copyAction->setPriority(QAction::LowPriority);
+ m_copyAction->setIconText("&Copy");
+ m_copyAction->setIcon(QIcon(resourcePath + QLatin1String("/editcopy.png")));
+ m_copyAction->setShortcuts(QKeySequence::Copy);
+ m_copyAction->setEnabled(false);
+ connect(m_copyAction, SIGNAL(triggered()), centralWidget, SLOT(copy()));
+ m_actionList << m_copyAction;
+
+ m_printAction = new QAction(tr("&Print..."), parent);
+ m_printAction->setPriority(QAction::LowPriority);
+ m_printAction->setIcon(QIcon(resourcePath + QLatin1String("/print.png")));
+ m_printAction->setShortcut(QKeySequence::Print);
+ connect(m_printAction, SIGNAL(triggered()), centralWidget, SLOT(print()));
+ m_actionList << m_printAction;
+
+ m_findAction = new QAction(tr("&Find in Text..."), parent);
+ m_findAction->setIconText(tr("&Find"));
+ m_findAction->setIcon(QIcon(resourcePath + QLatin1String("/find.png")));
+ m_findAction->setShortcuts(QKeySequence::Find);
+ connect(m_findAction, SIGNAL(triggered()), centralWidget, SLOT(showTextSearch()));
+ m_actionList << m_findAction;
+
+#ifdef Q_WS_X11
+ m_backAction->setIcon(QIcon::fromTheme("go-previous" , m_backAction->icon()));
+ m_nextAction->setIcon(QIcon::fromTheme("go-next" , m_nextAction->icon()));
+ m_zoomInAction->setIcon(QIcon::fromTheme("zoom-in" , m_zoomInAction->icon()));
+ m_zoomOutAction->setIcon(QIcon::fromTheme("zoom-out" , m_zoomOutAction->icon()));
+ m_copyAction->setIcon(QIcon::fromTheme("edit-copy" , m_copyAction->icon()));
+ m_findAction->setIcon(QIcon::fromTheme("edit-find" , m_findAction->icon()));
+ m_homeAction->setIcon(QIcon::fromTheme("go-home" , m_homeAction->icon()));
+ m_printAction->setIcon(QIcon::fromTheme("document-print" , m_printAction->icon()));
+#endif
+}
+
+void GlobalActions::updateActions()
+{
+ TRACE_OBJ
+ CentralWidget *centralWidget = CentralWidget::instance();
+ m_copyAction->setEnabled(centralWidget->hasSelection());
+ m_nextAction->setEnabled(centralWidget->isForwardAvailable());
+ m_backAction->setEnabled(centralWidget->isBackwardAvailable());
+}
+
+void GlobalActions::setCopyAvailable(bool available)
+{
+ TRACE_OBJ
+ m_copyAction->setEnabled(available);
+}
+
+#if !defined(QT_NO_WEBKIT)
+
+void GlobalActions::slotAboutToShowBackMenu()
+{
+ TRACE_OBJ
+ m_backMenu->clear();
+ if (QWebHistory *history = CentralWidget::instance()->currentHelpViewer()->history()) {
+ const int currentItemIndex = history->currentItemIndex();
+ QList<QWebHistoryItem> items = history->backItems(history->count());
+ for (int i = items.count() - 1; i >= 0; --i) {
+ QAction *action = new QAction(this);
+ action->setText(items.at(i).title());
+ action->setData(-1 * (currentItemIndex - i));
+ m_backMenu->addAction(action);
+ }
+ }
+}
+
+void GlobalActions::slotAboutToShowNextMenu()
+{
+ TRACE_OBJ
+ m_nextMenu->clear();
+ if (QWebHistory *history = CentralWidget::instance()->currentHelpViewer()->history()) {
+ const int count = history->count();
+ QList<QWebHistoryItem> items = history->forwardItems(count);
+ for (int i = 0; i < items.count(); ++i) {
+ QAction *action = new QAction(this);
+ action->setData(count - i);
+ action->setText(items.at(i).title());
+ m_nextMenu->addAction(action);
+ }
+ }
+}
+
+void GlobalActions::slotOpenActionUrl(QAction *action)
+{
+ TRACE_OBJ
+ if (HelpViewer* viewer = CentralWidget::instance()->currentHelpViewer()) {
+ const int offset = action->data().toInt();
+ QWebHistory *history = viewer->history();
+ if (offset > 0) {
+ history->goToItem(history->forwardItems(history->count()
+ - offset + 1).back()); // forward
+ } else if (offset < 0) {
+ history->goToItem(history->backItems(-1 * offset).first()); // back
+ }
+ }
+}
+
+#endif
+
+void GlobalActions::setupNavigationMenus(QAction *back, QAction *next,
+ QWidget *parent)
+{
+#if !defined(QT_NO_WEBKIT)
+ m_backMenu = new QMenu(parent);
+ connect(m_backMenu, SIGNAL(aboutToShow()), this,
+ SLOT(slotAboutToShowBackMenu()));
+ connect(m_backMenu, SIGNAL(triggered(QAction*)), this,
+ SLOT(slotOpenActionUrl(QAction*)));
+ back->setMenu(m_backMenu);
+
+ m_nextMenu = new QMenu(parent);
+ connect(m_nextMenu, SIGNAL(aboutToShow()), this,
+ SLOT(slotAboutToShowNextMenu()));
+ connect(m_nextMenu, SIGNAL(triggered(QAction*)), this,
+ SLOT(slotOpenActionUrl(QAction*)));
+ next->setMenu(m_nextMenu);
+#else
+ Q_UNUSED(back)
+ Q_UNUSED(next)
+ Q_UNUSED(parent)
+#endif
+}
+
+GlobalActions *GlobalActions::m_instance = 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:17:17 +0000