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tabwidget.cpp
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/*
* Copyright 2008 Benjamin C. Meyer <[email protected]>
*
* 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 2 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 iQ_WS_X11mplied 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*/
/****************************************************************************
**
** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Alternatively you may (at
** your option) use any later version of the GNU General Public
** License if such license has been publicly approved by Trolltech ASA
** (or its successors, if any) and the KDE Free Qt Foundation. In
** addition, as a special exception, Trolltech gives you certain
** additional rights. These rights are described in the Trolltech GPL
** Exception version 1.2, which can be found at
** http://www.trolltech.com/products/qt/gplexception/ and in the file
** GPL_EXCEPTION.txt in this package.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
** you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at [email protected].
**
** In addition, as a special exception, Trolltech, as the sole
** copyright holder for Qt Designer, grants users of the Qt/Eclipse
** Integration plug-in the right for the Qt/Eclipse Integration to
** link to functionality provided by Qt Designer and its related
** libraries.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
** granted herein.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/
#include "tabwidget.h"
#include "addbookmarkdialog.h"
#include "bookmarknode.h"
#include "bookmarksmanager.h"
#include "bookmarksmodel.h"
#include "browserapplication.h"
#include "browsermainwindow.h"
#include "history.h"
#include "historycompleter.h"
#include "historymanager.h"
#include "locationbar.h"
#include "opensearchengine.h"
#include "opensearchmanager.h"
#include "tabbar.h"
#include "toolbarsearch.h"
#include "webactionmapper.h"
#include "webpage.h"
#include "webview.h"
#include "webviewsearch.h"
#include <qcompleter.h>
#include <qdir.h>
#include <qevent.h>
#include <qlistview.h>
#include <qmenu.h>
#include <qmessagebox.h>
#include <qmovie.h>
#include <qsettings.h>
#include <qstackedwidget.h>
#include <qstyle.h>
#include <qtoolbutton.h>
#include <qwebhistory.h>
#include <qdebug.h>
//#define USERMODIFIEDBEHAVIOR_DEBUG
TabWidget::TabWidget(QWidget *parent)
: QTabWidget(parent)
, m_recentlyClosedTabsAction(0)
, m_newTabAction(0)
, m_closeTabAction(0)
, m_bookmarkTabsAction(0)
, m_nextTabAction(0)
, m_previousTabAction(0)
, m_recentlyClosedTabsMenu(0)
, m_lineEditCompleter(0)
, m_locationBars(0)
, m_tabBar(new TabBar(this))
, addTabButton(0)
, closeTabButton(0)
{
setElideMode(Qt::ElideRight);
new QShortcut(QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key_T), this, SLOT(openLastTab()));
new QShortcut(QKeySequence::Undo, this, SLOT(openLastTab()));
connect(m_tabBar, SIGNAL(loadUrl(const QUrl&, TabWidget::OpenUrlIn)),
this, SLOT(loadUrl(const QUrl&, TabWidget::OpenUrlIn)));
connect(m_tabBar, SIGNAL(newTab()), this, SLOT(newTab()));
connect(m_tabBar, SIGNAL(closeTab(int)), this, SLOT(closeTab(int)));
connect(m_tabBar, SIGNAL(cloneTab(int)), this, SLOT(cloneTab(int)));
connect(m_tabBar, SIGNAL(closeOtherTabs(int)), this, SLOT(closeOtherTabs(int)));
connect(m_tabBar, SIGNAL(reloadTab(int)), this, SLOT(reloadTab(int)));
connect(m_tabBar, SIGNAL(reloadAllTabs()), this, SLOT(reloadAllTabs()));
setTabBar(m_tabBar);
setDocumentMode(true);
connect(m_tabBar, SIGNAL(tabMoved(int, int)),
this, SLOT(moveTab(int, int)));
// Actions
m_newTabAction = new QAction(this);
m_newTabAction->setShortcuts(QKeySequence::AddTab);
connect(m_newTabAction, SIGNAL(triggered()), this, SLOT(newTab()));
m_closeTabAction = new QAction(this);
m_closeTabAction->setShortcuts(QKeySequence::Close);
m_closeTabAction->setIcon(QIcon(QLatin1String(":graphics/closetab.png")));
#if QT_VERSION < 0x040600 || (QT_VERSION >= 0x040600 && !defined(Q_WS_X11))
m_closeTabAction->setIconVisibleInMenu(false);
#endif
connect(m_closeTabAction, SIGNAL(triggered()), this, SLOT(closeTab()));
m_bookmarkTabsAction = new QAction(this);
connect(m_bookmarkTabsAction, SIGNAL(triggered()), this, SLOT(bookmarkTabs()));
m_newTabAction->setIcon(QIcon(QLatin1String(":graphics/addtab.png")));
#if QT_VERSION < 0x040600 || (QT_VERSION >= 0x040600 && !defined(Q_WS_X11))
m_newTabAction->setIconVisibleInMenu(false);
#endif
m_nextTabAction = new QAction(this);
connect(m_nextTabAction, SIGNAL(triggered()), this, SLOT(nextTab()));
m_previousTabAction = new QAction(this);
connect(m_previousTabAction, SIGNAL(triggered()), this, SLOT(previousTab()));
#if QT_VERSION >= 0x040600 && defined(Q_WS_X11)
m_previousTabAction->setIcon(QIcon::fromTheme(QLatin1String("go-previous")));
m_nextTabAction->setIcon(QIcon::fromTheme(QLatin1String("go-next")));
#endif
m_recentlyClosedTabsMenu = new QMenu(this);
connect(m_recentlyClosedTabsMenu, SIGNAL(aboutToShow()),
this, SLOT(aboutToShowRecentTabsMenu()));
connect(m_recentlyClosedTabsMenu, SIGNAL(triggered(QAction *)),
this, SLOT(aboutToShowRecentTriggeredAction(QAction *)));
m_recentlyClosedTabsAction = new QAction(this);
m_recentlyClosedTabsAction->setMenu(m_recentlyClosedTabsMenu);
m_recentlyClosedTabsAction->setEnabled(false);
#ifndef Q_WS_MAC // can't seem to figure out the background color :(
addTabButton = new QToolButton(this);
addTabButton->setDefaultAction(m_newTabAction);
addTabButton->setAutoRaise(true);
addTabButton->setToolButtonStyle(Qt::ToolButtonIconOnly);
#endif
connect(m_tabBar, SIGNAL(tabCloseRequested(int)),
this, SLOT(closeTab(int)));
connect(this, SIGNAL(currentChanged(int)),
this, SLOT(currentChanged(int)));
m_locationBars = new QStackedWidget(this);
connect(BrowserApplication::historyManager(), SIGNAL(historyCleared()),
this, SLOT(historyCleared()));
// Initialize Actions' labels
retranslate();
loadSettings();
}
void TabWidget::historyCleared()
{
m_recentlyClosedTabs.clear();
m_recentlyClosedTabsAction->setEnabled(false);
}
void TabWidget::clear()
{
// clear the recently closed tabs
m_recentlyClosedTabs.clear();
m_recentlyClosedTabsAction->setEnabled(false);
// clear the line edit history
for (int i = 0; i < m_locationBars->count(); ++i) {
QLineEdit *qLineEdit = locationBar(i);
qLineEdit->setText(qLineEdit->text());
webViewSearch(i)->clear();
}
}
// When index is -1 index chooses the current tab
void TabWidget::reloadTab(int index)
{
if (index < 0)
index = currentIndex();
if (index < 0 || index >= count())
return;
if (WebView *tab = webView(index)) {
tab->reload();
}
}
void TabWidget::moveTab(int fromIndex, int toIndex)
{
QWidget *lineEdit = m_locationBars->widget(fromIndex);
m_locationBars->removeWidget(lineEdit);
m_locationBars->insertWidget(toIndex, lineEdit);
}
void TabWidget::addWebAction(QAction *action, QWebPage::WebAction webAction)
{
if (!action)
return;
m_actions.append(new WebActionMapper(action, webAction, this));
}
void TabWidget::currentChanged(int index)
{
WebView *webView = this->webView(index);
if (!webView)
return;
Q_ASSERT(m_locationBars->count() == count());
WebView *oldWebView = this->webView(m_locationBars->currentIndex());
if (oldWebView) {
disconnect(oldWebView, SIGNAL(statusBarMessage(const QString&)),
this, SIGNAL(showStatusBarMessage(const QString&)));
disconnect(oldWebView->page(), SIGNAL(linkHovered(const QString&, const QString&, const QString&)),
this, SIGNAL(linkHovered(const QString&)));
disconnect(oldWebView, SIGNAL(loadProgress(int)),
this, SIGNAL(loadProgress(int)));
}
connect(webView, SIGNAL(statusBarMessage(const QString&)),
this, SIGNAL(showStatusBarMessage(const QString&)));
connect(webView->page(), SIGNAL(linkHovered(const QString&, const QString&, const QString&)),
this, SIGNAL(linkHovered(const QString&)));
connect(webView, SIGNAL(loadProgress(int)),
this, SIGNAL(loadProgress(int)));
for (int i = 0; i < m_actions.count(); ++i) {
WebActionMapper *mapper = m_actions[i];
mapper->updateCurrent(webView->page());
}
emit setCurrentTitle(webView->title());
m_locationBars->setCurrentIndex(index);
emit loadProgress(webView->progress());
emit showStatusBarMessage(webView->lastStatusBarText());
if (webView->url().isEmpty() && webView->hasFocus()) {
m_locationBars->currentWidget()->setFocus();
} else if (!webView->url().isEmpty()) {
webView->setFocus();
}
}
QAction *TabWidget::newTabAction() const
{
return m_newTabAction;
}
QAction *TabWidget::closeTabAction() const
{
return m_closeTabAction;
}
QAction *TabWidget::bookmarkTabsAction() const
{
return m_bookmarkTabsAction;
}
QAction *TabWidget::recentlyClosedTabsAction() const
{
return m_recentlyClosedTabsAction;
}
QAction *TabWidget::nextTabAction() const
{
return m_nextTabAction;
}
QAction *TabWidget::previousTabAction() const
{
return m_previousTabAction;
}
QWidget *TabWidget::locationBarStack() const
{
return m_locationBars;
}
QLineEdit *TabWidget::currentLocationBar() const
{
return locationBar(m_locationBars->currentIndex());
}
WebView *TabWidget::currentWebView() const
{
return webView(currentIndex());
}
QLineEdit *TabWidget::locationBar(int index) const
{
return qobject_cast<LocationBar*>(m_locationBars->widget(index));
}
WebView *TabWidget::webView(int index) const
{
QWidget *widget = this->widget(index);
if (WebViewWithSearch *webViewWithSearch = qobject_cast<WebViewWithSearch*>(widget)) {
return webViewWithSearch->m_webView;
}
return 0;
}
WebViewSearch *TabWidget::webViewSearch(int index) const
{
QWidget *widget = this->widget(index);
if (WebViewWithSearch *webViewWithSearch = qobject_cast<WebViewWithSearch*>(widget)) {
return webViewWithSearch->m_webViewSearch;
}
return 0;
}
int TabWidget::webViewIndex(WebView *webView) const
{
for (int i = 0; i < count(); ++i) {
QWidget *widget = this->widget(i);
if (WebViewWithSearch *webViewWithSearch = qobject_cast<WebViewWithSearch*>(widget)) {
if (webViewWithSearch->m_webView == webView)
return i;
}
}
return -1;
}
void TabWidget::newTab()
{
makeNewTab(true);
}
WebView *TabWidget::makeNewTab(bool makeCurrent)
{
// line edit
LocationBar *locationBar = new LocationBar;
if (!m_lineEditCompleter) {
HistoryCompletionModel *completionModel = new HistoryCompletionModel(this);
completionModel->setSourceModel(BrowserApplication::historyManager()->historyFilterModel());
m_lineEditCompleter = new HistoryCompleter(completionModel, this);
connect(m_lineEditCompleter, SIGNAL(activated(const QString &)),
this, SLOT(loadString(const QString &)));
// Should this be in Qt by default?
QAbstractItemView *popup = m_lineEditCompleter->popup();
QListView *listView = qobject_cast<QListView*>(popup);
if (listView) {
// Urls are always LeftToRight
listView->setLayoutDirection(Qt::LeftToRight);
listView->setUniformItemSizes(true);
}
}
locationBar->setCompleter(m_lineEditCompleter);
connect(locationBar, SIGNAL(returnPressed()), this, SLOT(lineEditReturnPressed()));
m_locationBars->addWidget(locationBar);
m_locationBars->setSizePolicy(locationBar->sizePolicy());
#ifndef AUTOTESTS
QWidget::setTabOrder(locationBar, qFindChild<ToolbarSearch*>(BrowserMainWindow::parentWindow(this)));
#endif
// webview
WebView *webView = new WebView;
locationBar->setWebView(webView);
connect(webView, SIGNAL(loadStarted()),
this, SLOT(webViewLoadStarted()));
connect(webView, SIGNAL(loadProgress(int)),
this, SLOT(webViewLoadProgress(int)));
connect(webView, SIGNAL(loadFinished(bool)),
this, SLOT(webViewLoadFinished(bool)));
connect(webView, SIGNAL(iconChanged()),
this, SLOT(webViewIconChanged()));
connect(webView, SIGNAL(titleChanged(const QString &)),
this, SLOT(webViewTitleChanged(const QString &)));
connect(webView, SIGNAL(urlChanged(const QUrl &)),
this, SLOT(webViewUrlChanged(const QUrl &)));
connect(webView, SIGNAL(search(const QUrl&, TabWidget::OpenUrlIn)),
this, SLOT(loadUrl(const QUrl&, TabWidget::OpenUrlIn)));
connect(webView->page(), SIGNAL(windowCloseRequested()),
this, SLOT(windowCloseRequested()));
connect(webView->page(), SIGNAL(printRequested(QWebFrame *)),
this, SIGNAL(printRequested(QWebFrame *)));
connect(webView->page(), SIGNAL(geometryChangeRequested(const QRect &)),
this, SLOT(geometryChangeRequestedCheck(const QRect &)));
connect(webView->page(), SIGNAL(menuBarVisibilityChangeRequested(bool)),
this, SLOT(menuBarVisibilityChangeRequestedCheck(bool)));
connect(webView->page(), SIGNAL(statusBarVisibilityChangeRequested(bool)),
this, SLOT(statusBarVisibilityChangeRequestedCheck(bool)));
connect(webView->page(), SIGNAL(toolBarVisibilityChangeRequested(bool)),
this, SLOT(toolBarVisibilityChangeRequestedCheck(bool)));
WebViewWithSearch *webViewWithSearch = new WebViewWithSearch(webView, this);
addTab(webViewWithSearch, tr("Untitled"));
if (makeCurrent)
setCurrentWidget(webViewWithSearch);
// webview actions
for (int i = 0; i < m_actions.count(); ++i) {
WebActionMapper *mapper = m_actions[i];
mapper->addChild(webView->page()->action(mapper->webAction()));
}
if (count() == 1)
currentChanged(currentIndex());
emit tabsChanged();
return webView;
}
void TabWidget::geometryChangeRequestedCheck(const QRect &geometry)
{
if (count() == 1)
emit geometryChangeRequested(geometry);
}
void TabWidget::menuBarVisibilityChangeRequestedCheck(bool visible)
{
if (count() == 1)
emit menuBarVisibilityChangeRequested(visible);
}
void TabWidget::statusBarVisibilityChangeRequestedCheck(bool visible)
{
if (count() == 1)
emit statusBarVisibilityChangeRequested(visible);
}
void TabWidget::toolBarVisibilityChangeRequestedCheck(bool visible)
{
if (count() == 1)
emit toolBarVisibilityChangeRequested(visible);
}
void TabWidget::reloadAllTabs()
{
for (int i = 0; i < count(); ++i) {
if (WebView *tab = webView(i)) {
tab->reload();
}
}
}
void TabWidget::bookmarkTabs()
{
AddBookmarkDialog dialog;
dialog.setFolder(true);
dialog.setTitle(tr("Saved Tabs"));
dialog.exec();
BookmarkNode *folder = dialog.addedNode();
if (!folder)
return;
for (int i = 0; i < count(); ++i) {
WebView *tab = webView(i);
if (!tab)
continue;
QString title = tab->title();
QString url = QString::fromUtf8(tab->url().toEncoded());
BookmarkNode *bookmark = new BookmarkNode(BookmarkNode::Bookmark);
bookmark->url = url;
bookmark->title = title;
BrowserApplication::bookmarksManager()->addBookmark(folder, bookmark);
}
}
void TabWidget::lineEditReturnPressed()
{
if (QLineEdit *lineEdit = qobject_cast<QLineEdit*>(sender())) {
OpenUrlIn tab = CurrentTab;
if (qApp->keyboardModifiers() == Qt::AltModifier)
tab = NewSelectedTab;
loadString(lineEdit->text(), tab);
if (m_locationBars->currentWidget() == lineEdit)
currentWebView()->setFocus();
}
}
void TabWidget::windowCloseRequested()
{
WebPage *webPage = qobject_cast<WebPage*>(sender());
if (!webPage)
return;
WebView *webView = qobject_cast<WebView*>(webPage->view());
int index = webViewIndex(webView);
if (index >= 0) {
if (count() == 1)
BrowserMainWindow::parentWindow(this)->close();
else
closeTab(index);
}
}
void TabWidget::closeOtherTabs(int index)
{
if (-1 == index)
return;
for (int i = count() - 1; i > index; --i)
closeTab(i);
for (int i = index - 1; i >= 0; --i)
closeTab(i);
}
// When index is -1 index chooses the current tab
void TabWidget::cloneTab(int index)
{
if (index < 0)
index = currentIndex();
if (index < 0 || index >= count())
return;
QUrl url = webView(index)->url();
WebView *tab = makeNewTab();
tab->loadUrl(url);
}
// When index is -1 index chooses the current tab
void TabWidget::closeTab(int index)
{
if (index < 0)
index = currentIndex();
if (index < 0 || index >= count())
return;
bool hasFocus = false;
WebView *tab = webView(index);
if (tab && !tab->url().isEmpty()) {
if (tab->isModified()) {
QMessageBox closeConfirmation(tab);
closeConfirmation.setWindowFlags(Qt::Sheet);
closeConfirmation.setWindowTitle(tr("Do you really want to close this page?"));
closeConfirmation.setInformativeText(tr("You have modified this page and when closing it you would lose the modification.\n"
"Do you really want to close this page?\n"));
closeConfirmation.setIcon(QMessageBox::Question);
closeConfirmation.addButton(QMessageBox::Yes);
closeConfirmation.addButton(QMessageBox::No);
closeConfirmation.setEscapeButton(QMessageBox::No);
if (closeConfirmation.exec() == QMessageBox::No)
return;
}
hasFocus = tab->hasFocus();
m_recentlyClosedTabsAction->setEnabled(true);
m_recentlyClosedTabs.prepend(tab->url());
#if QT_VERSION >= 0x040600
QByteArray tabHistory;
QDataStream tabHistoryStream(&tabHistory, QIODevice::WriteOnly);
tabHistoryStream << *tab->history();
m_recentlyClosedTabsHistory.prepend(tabHistory);
#else
m_recentlyClosedTabsHistory.prepend(QByteArray());
#endif
if (m_recentlyClosedTabs.size() >= TabWidget::m_recentlyClosedTabsSize)
m_recentlyClosedTabs.removeLast();
}
QWidget *lineEdit = m_locationBars->widget(index);
m_locationBars->removeWidget(lineEdit);
lineEdit->deleteLater();
QWidget *webViewWithSearch = widget(index);
removeTab(index);
webViewWithSearch->setParent(0);
webViewWithSearch->deleteLater();
emit tabsChanged();
if (hasFocus && count() > 0 && currentWebView())
currentWebView()->setFocus();
if (count() == 0)
emit lastTabClosed();
}
QLabel *TabWidget::animationLabel(int index, bool addMovie)
{
if (-1 == index)
return 0;
QTabBar::ButtonPosition side = m_tabBar->freeSide();
QLabel *loadingAnimation = qobject_cast<QLabel*>(m_tabBar->tabButton(index, side));
if (!loadingAnimation) {
loadingAnimation = new QLabel(this);
}
if (addMovie && !loadingAnimation->movie()) {
QMovie *movie = new QMovie(QLatin1String(":graphics/loading.gif"), QByteArray(), loadingAnimation);
movie->setSpeed(50);
loadingAnimation->setMovie(movie);
movie->start();
}
m_tabBar->setTabButton(index, side, 0);
m_tabBar->setTabButton(index, side, loadingAnimation);
return loadingAnimation;
}
void TabWidget::webViewLoadStarted()
{
WebView *webView = qobject_cast<WebView*>(sender());
int index = webViewIndex(webView);
if (-1 != index) {
QLabel *label = animationLabel(index, true);
if (label->movie())
label->movie()->start();
}
if (index != currentIndex())
return;
emit showStatusBarMessage(tr("Loading..."));
}
void TabWidget::webViewLoadProgress(int progress)
{
WebView *webView = qobject_cast<WebView*>(sender());
int index = webViewIndex(webView);
if (index != currentIndex()
|| index < 0)
return;
double totalBytes = (double) webView->webPage()->totalBytes() / 1024;
QString message = tr("Loading %1% (%2 %3)...").arg(progress).arg(totalBytes, 0, 'f', 2).arg(QLatin1String("kB"));
emit showStatusBarMessage(message);
}
void TabWidget::webViewLoadFinished(bool ok)
{
WebView *webView = qobject_cast<WebView*>(sender());
int index = webViewIndex(webView);
if (-1 != index) {
QLabel *label = animationLabel(index, true);
if (label->movie())
label->movie()->stop();
#if defined(Q_WS_MAC)
QTabBar::ButtonPosition side = m_tabBar->freeSide();
m_tabBar->setTabButton(index, side, 0);
delete label;
#endif
}
webViewIconChanged();
if (index != currentIndex())
return;
if (ok)
emit showStatusBarMessage(tr("Finished loading"));
else
emit showStatusBarMessage(tr("Failed to load"));
}
void TabWidget::webViewIconChanged()
{
WebView *webView = qobject_cast<WebView*>(sender());
int index = webViewIndex(webView);
if (-1 != index) {
#if !defined(Q_WS_MAC)
QIcon icon = BrowserApplication::instance()->icon(webView->url());
QLabel *label = animationLabel(index, false);
QMovie *movie = label->movie();
delete movie;
label->setMovie(0);
label->setPixmap(icon.pixmap(16, 16));
#endif
}
}
void TabWidget::webViewTitleChanged(const QString &title)
{
WebView *webView = qobject_cast<WebView*>(sender());
int index = webViewIndex(webView);
if (-1 == index)
return;
QString tabTitle = title;
if (title.isEmpty())
tabTitle = QString::fromUtf8(webView->url().toEncoded());
tabTitle.replace(QLatin1Char('&'), QLatin1String("&&"));
setTabText(index, tabTitle);
setTabToolTip(index, tabTitle);
if (currentIndex() == index)
emit setCurrentTitle(title);
BrowserApplication::historyManager()->updateHistoryEntry(webView->url(), title);
}
void TabWidget::webViewUrlChanged(const QUrl &url)
{
WebView *webView = qobject_cast<WebView*>(sender());
int index = webViewIndex(webView);
if (-1 == index)
return;
m_tabBar->setTabData(index, url);
emit tabsChanged();
}
void TabWidget::openLastTab()
{
if (m_recentlyClosedTabs.isEmpty())
return;
QUrl url = m_recentlyClosedTabs.takeFirst();
QByteArray historyState = m_recentlyClosedTabsHistory.takeFirst();
#if QT_VERSION >= 0x040600
createTab(historyState, NewTab);
#else
loadUrl(url, NewTab);
#endif
m_recentlyClosedTabsAction->setEnabled(!m_recentlyClosedTabs.isEmpty());
}
void TabWidget::aboutToShowRecentTabsMenu()
{
m_recentlyClosedTabsMenu->clear();
for (int i = 0; i < m_recentlyClosedTabs.count(); ++i) {
QAction *action = new QAction(m_recentlyClosedTabsMenu);
#if QT_VERSION >= 0x040600
action->setData(m_recentlyClosedTabsHistory.at(i));
#else
action->setData(m_recentlyClosedTabs.at(i));
#endif
QIcon icon = BrowserApplication::instance()->icon(m_recentlyClosedTabs.at(i));
action->setIcon(icon);
action->setText(m_recentlyClosedTabs.at(i).toString());
m_recentlyClosedTabsMenu->addAction(action);
}
}
void TabWidget::aboutToShowRecentTriggeredAction(QAction *action)
{
if (!action)
return;
#if QT_VERSION >= 0x040600
QByteArray historyState = action->data().toByteArray();
createTab(historyState, NewTab);
#else
QUrl url = action->data().toUrl();
loadUrl(url, NewTab);
#endif
}
void TabWidget::retranslate()
{
m_nextTabAction->setText(tr("Show Next Tab"));
QList<QKeySequence> shortcuts;
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceRight));
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageDown));
shortcuts.append(tr("Ctrl-]"));
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Less));
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Tab));
m_nextTabAction->setShortcuts(shortcuts);
m_previousTabAction->setText(tr("Show Previous Tab"));
shortcuts.clear();
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceLeft));
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageUp));
shortcuts.append(tr("Ctrl-["));
shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Greater));
shortcuts.append(QKeySequence(Qt::CTRL | Qt::SHIFT | Qt::Key_Tab));
m_previousTabAction->setShortcuts(shortcuts);
m_recentlyClosedTabsAction->setText(tr("Recently Closed Tabs"));
m_newTabAction->setText(tr("New &Tab"));
m_closeTabAction->setText(tr("&Close Tab"));
m_bookmarkTabsAction->setText(tr("Bookmark All Tabs"));
m_tabBar->updateViewToolBarAction();
}
void TabWidget::changeEvent(QEvent *event)
{
if (event->type() == QEvent::LanguageChange)
retranslate();
QTabWidget::changeEvent(event);
}
/*
Transform string into a QUrl and then load it.
When you already have a QUrl call loadUrl()
*/
void TabWidget::loadString(const QString &string, OpenUrlIn tab)
{
if (string.isEmpty())
return;
QUrl url = guessUrlFromString(string);
loadUrl(url, tab);
}
QUrl TabWidget::guessUrlFromString(const QString &string)
{
OpenSearchManager *manager = ToolbarSearch::openSearchManager();
QUrl url = manager->convertKeywordSearchToUrl(string);
if (url.isValid())
return url;
#if QT_VERSION >= 0x040600
url = QUrl::fromUserInput(string);
#else
url = WebView::guessUrlFromString(string);
#endif
if (url.scheme() == QLatin1String("about")
&& url.path() == QLatin1String("home"))
url = QUrl(QLatin1String("qrc:/startpage.html"));
// QUrl::isValid() is too much tolerant.
// We actually want to check if the url conforms to the RFC, which QUrl::isValid() doesn't state.
if (!url.scheme().isEmpty() && (!url.host().isEmpty() || !url.path().isEmpty()))
return url;
QSettings settings;
settings.beginGroup(QLatin1String("urlloading"));
bool search = settings.value(QLatin1String("searchEngineFallback"), false).toBool();
if (search) {
url = ToolbarSearch::openSearchManager()->currentEngine()->searchUrl(string.trimmed());
} else {
QString urlString = QLatin1String("http://") + string.trimmed();
url = QUrl::fromEncoded(urlString.toUtf8(), QUrl::TolerantMode);
}
return url;
}
/*
Somewhere in the browser interface a users wants to open a url
By default open this url in the current tab, unless mouse or keyboard
modifiers are set.
*/
void TabWidget::loadUrlFromUser(const QUrl &url, const QString &title)
{
loadUrl(url, modifyWithUserBehavior(CurrentTab), title);
}
void TabWidget::loadSettings()
{
for (int i = 0; i < count(); ++i) {
WebView *v = webView(i);
if (v && v->page())
v->loadSettings();
}
QSettings settings;
settings.beginGroup(QLatin1String("tabs"));
bool newTabButtonInRightCorner = settings.value(QLatin1String("newTabButtonInRightCorner"), true).toBool();
#ifndef Q_WS_MAC
setCornerWidget(addTabButton, newTabButtonInRightCorner ? Qt::TopRightCorner : Qt::TopLeftCorner);
addTabButton->show();
#endif
bool oneCloseButton = settings.value(QLatin1String("oneCloseButton"), false).toBool();
if (oneCloseButton) {
if (!closeTabButton) {
closeTabButton = new QToolButton(this);
closeTabButton->setDefaultAction(m_closeTabAction);
closeTabButton->setAutoRaise(true);
closeTabButton->setToolButtonStyle(Qt::ToolButtonIconOnly);
}
setCornerWidget(closeTabButton, newTabButtonInRightCorner ? Qt::TopLeftCorner : Qt::TopRightCorner);
closeTabButton->setVisible(oneCloseButton);
} else {
setCornerWidget(0, newTabButtonInRightCorner ? Qt::TopLeftCorner : Qt::TopRightCorner);
}
m_tabBar->setTabsClosable(!oneCloseButton);
}
/*
Replace the openIn behavior with the behavior the user wants.
// ctrl open in new tab
// ctrl-shift open in new tab and select
// ctrl-alt open in new window
*/
TabWidget::OpenUrlIn TabWidget::modifyWithUserBehavior(OpenUrlIn tab) {
Qt::KeyboardModifiers modifiers = BrowserApplication::instance()->eventKeyboardModifiers();
Qt::MouseButtons buttons = BrowserApplication::instance()->eventMouseButtons();
#ifdef USERMODIFIEDBEHAVIOR_DEBUG
qDebug() << __FUNCTION__ << "start" << modifiers << buttons << tab;
#endif
if (modifiers & Qt::ControlModifier || buttons == Qt::MidButton) {
if (modifiers & Qt::AltModifier) {
tab = NewWindow;
} else {
QSettings settings;
settings.beginGroup(QLatin1String("tabs"));
bool select = settings.value(QLatin1String("selectNewTabs"), false).toBool();
if (modifiers & Qt::ShiftModifier)
tab = !select ? NewSelectedTab : NewNotSelectedTab;
else
tab = select ? NewSelectedTab : NewNotSelectedTab;
}
}
#ifdef USERMODIFIEDBEHAVIOR_DEBUG
qDebug() << __FUNCTION__ << "end" << modifiers << buttons << tab;
#endif
BrowserApplication::instance()->setEventKeyboardModifiers(0);
BrowserApplication::instance()->setEventMouseButtons(Qt::NoButton);
return tab;
}
/*
Somewhere in the browser interface a users wants to open a url in a specific tab.
*/
void TabWidget::loadUrl(const QUrl &url, OpenUrlIn tab, const QString &title)
{
if (tab == UserOrCurrent) {
loadUrlFromUser(url, title);
return;
}
if (!url.isValid())
return;
WebView *webView = getView(tab, currentWebView());
if (webView) {
int index = webViewIndex(webView);
if (index != -1)
locationBar(index)->setText(QString::fromUtf8(url.toEncoded()));
webView->loadUrl(url, title);
}
}
/*
Return the view that matches the openIn behavior creating
a new view/window if necessary.
*/
WebView *TabWidget::getView(OpenUrlIn tab, WebView *currentView)
{
WebView *webView = 0;
switch (tab) {
case NewWindow: {
#ifdef USERMODIFIEDBEHAVIOR_DEBUG
qDebug() << __FUNCTION__ << "NewWindow";
#endif
BrowserMainWindow *newMainWindow = BrowserApplication::instance()->newMainWindow();
webView = newMainWindow->currentTab();
webView->setFocus();
break;
}
case NewSelectedTab: {
#ifdef USERMODIFIEDBEHAVIOR_DEBUG
qDebug() << __FUNCTION__ << "NewSelectedTab";
#endif
webView = makeNewTab(true);
webView->setFocus();
break;
}
case NewNotSelectedTab: {
#ifdef USERMODIFIEDBEHAVIOR_DEBUG
qDebug() << __FUNCTION__ << "NewNotSelectedTab";
#endif
webView = makeNewTab(false);
break;
}
case CurrentTab:
default:
#ifdef USERMODIFIEDBEHAVIOR_DEBUG
qDebug() << __FUNCTION__ << "CurrentTab";
#endif
webView = currentView;
if (!webView)
return 0;
webView->setFocus();
break;
}
return webView;
}
void TabWidget::nextTab()
{