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Diffstat (limited to 'examples/gestures/browser/tabwidget.cpp')
| -rw-r--r-- | examples/gestures/browser/tabwidget.cpp | 830 |
1 files changed, 0 insertions, 830 deletions
diff --git a/examples/gestures/browser/tabwidget.cpp b/examples/gestures/browser/tabwidget.cpp deleted file mode 100644 index 67714e4..0000000 --- a/examples/gestures/browser/tabwidget.cpp +++ /dev/null @@ -1,830 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the examples 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 either Technology Preview License Agreement or the -** Beta Release License Agreement. -** -** 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 1.0, included in the file LGPL_EXCEPTION.txt in this -** package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** If you are unsure which license is appropriate for your use, please -** contact the sales department at http://www.qtsoftware.com/contact. -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "tabwidget.h" - -#include "browserapplication.h" -#include "browsermainwindow.h" -#include "history.h" -#include "urllineedit.h" -#include "webview.h" - -#include <QtGui/QClipboard> -#include <QtGui/QCompleter> -#include <QtGui/QListView> -#include <QtGui/QMenu> -#include <QtGui/QMessageBox> -#include <QtGui/QMouseEvent> -#include <QtGui/QStackedWidget> -#include <QtGui/QStyle> -#include <QtGui/QToolButton> - -#include <QtCore/QDebug> - -TabBar::TabBar(QWidget *parent) - : QTabBar(parent) -{ - setContextMenuPolicy(Qt::CustomContextMenu); - setAcceptDrops(true); - connect(this, SIGNAL(customContextMenuRequested(const QPoint &)), - this, SLOT(contextMenuRequested(const QPoint &))); - - QString alt = QLatin1String("Alt+%1"); - for (int i = 1; i <= 10; ++i) { - int key = i; - if (key == 10) - key = 0; - QShortcut *shortCut = new QShortcut(alt.arg(key), this); - m_tabShortcuts.append(shortCut); - connect(shortCut, SIGNAL(activated()), this, SLOT(selectTabAction())); - } - setTabsClosable(true); - connect(this, SIGNAL(tabCloseRequested(int)), - this, SIGNAL(closeTab(int))); - setSelectionBehaviorOnRemove(QTabBar::SelectPreviousTab); - setMovable(true); -} - -void TabBar::selectTabAction() -{ - if (QShortcut *shortCut = qobject_cast<QShortcut*>(sender())) { - int index = m_tabShortcuts.indexOf(shortCut); - if (index == 0) - index = 10; - setCurrentIndex(index); - } -} - -void TabBar::contextMenuRequested(const QPoint &position) -{ - QMenu menu; - menu.addAction(tr("New &Tab"), this, SIGNAL(newTab()), QKeySequence::AddTab); - int index = tabAt(position); - if (-1 != index) { - QAction *action = menu.addAction(tr("Clone Tab"), - this, SLOT(cloneTab())); - action->setData(index); - - menu.addSeparator(); - - action = menu.addAction(tr("&Close Tab"), - this, SLOT(closeTab()), QKeySequence::Close); - action->setData(index); - - action = menu.addAction(tr("Close &Other Tabs"), - this, SLOT(closeOtherTabs())); - action->setData(index); - - menu.addSeparator(); - - action = menu.addAction(tr("Reload Tab"), - this, SLOT(reloadTab()), QKeySequence::Refresh); - action->setData(index); - } else { - menu.addSeparator(); - } - menu.addAction(tr("Reload All Tabs"), this, SIGNAL(reloadAllTabs())); - menu.exec(QCursor::pos()); -} - -void TabBar::cloneTab() -{ - if (QAction *action = qobject_cast<QAction*>(sender())) { - int index = action->data().toInt(); - emit cloneTab(index); - } -} - -void TabBar::closeTab() -{ - if (QAction *action = qobject_cast<QAction*>(sender())) { - int index = action->data().toInt(); - emit closeTab(index); - } -} - -void TabBar::closeOtherTabs() -{ - if (QAction *action = qobject_cast<QAction*>(sender())) { - int index = action->data().toInt(); - emit closeOtherTabs(index); - } -} - -void TabBar::mousePressEvent(QMouseEvent *event) -{ - if (event->button() == Qt::LeftButton) - m_dragStartPos = event->pos(); - QTabBar::mousePressEvent(event); -} - -void TabBar::mouseMoveEvent(QMouseEvent *event) -{ - if (event->buttons() == Qt::LeftButton) { - int diffX = event->pos().x() - m_dragStartPos.x(); - int diffY = event->pos().y() - m_dragStartPos.y(); - if ((event->pos() - m_dragStartPos).manhattanLength() > QApplication::startDragDistance() - && diffX < 3 && diffX > -3 - && diffY < -10) { - QDrag *drag = new QDrag(this); - QMimeData *mimeData = new QMimeData; - QList<QUrl> urls; - int index = tabAt(event->pos()); - QUrl url = tabData(index).toUrl(); - urls.append(url); - mimeData->setUrls(urls); - mimeData->setText(tabText(index)); - mimeData->setData(QLatin1String("action"), "tab-reordering"); - drag->setMimeData(mimeData); - drag->exec(); - } - } - QTabBar::mouseMoveEvent(event); -} - -// 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; - - QWidget *widget = this->widget(index); - if (WebView *tab = qobject_cast<WebView*>(widget)) - tab->reload(); -} - -void TabBar::reloadTab() -{ - if (QAction *action = qobject_cast<QAction*>(sender())) { - int index = action->data().toInt(); - emit reloadTab(index); - } -} - -TabWidget::TabWidget(QWidget *parent) - : QTabWidget(parent) - , m_recentlyClosedTabsAction(0) - , m_newTabAction(0) - , m_closeTabAction(0) - , m_nextTabAction(0) - , m_previousTabAction(0) - , m_recentlyClosedTabsMenu(0) - , m_lineEditCompleter(0) - , m_lineEdits(0) - , m_tabBar(new TabBar(this)) -{ - setElideMode(Qt::ElideRight); - - 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())); - connect(m_tabBar, SIGNAL(tabMoved(int, int)), this, SLOT(moveTab(int, int))); - setTabBar(m_tabBar); - setDocumentMode(true); - - // Actions - m_newTabAction = new QAction(QIcon(QLatin1String(":addtab.png")), tr("New &Tab"), this); - m_newTabAction->setShortcuts(QKeySequence::AddTab); - m_newTabAction->setIconVisibleInMenu(false); - connect(m_newTabAction, SIGNAL(triggered()), this, SLOT(newTab())); - - m_closeTabAction = new QAction(QIcon(QLatin1String(":closetab.png")), tr("&Close Tab"), this); - m_closeTabAction->setShortcuts(QKeySequence::Close); - m_closeTabAction->setIconVisibleInMenu(false); - connect(m_closeTabAction, SIGNAL(triggered()), this, SLOT(closeTab())); - - m_nextTabAction = new QAction(tr("Show Next Tab"), this); - QList<QKeySequence> shortcuts; - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceRight)); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageDown)); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BracketRight)); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Less)); - m_nextTabAction->setShortcuts(shortcuts); - connect(m_nextTabAction, SIGNAL(triggered()), this, SLOT(nextTab())); - - m_previousTabAction = new QAction(tr("Show Previous Tab"), this); - shortcuts.clear(); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BraceLeft)); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_PageUp)); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_BracketLeft)); - shortcuts.append(QKeySequence(Qt::CTRL | Qt::Key_Greater)); - m_previousTabAction->setShortcuts(shortcuts); - connect(m_previousTabAction, SIGNAL(triggered()), this, SLOT(previousTab())); - - 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(tr("Recently Closed Tabs"), this); - m_recentlyClosedTabsAction->setMenu(m_recentlyClosedTabsMenu); - m_recentlyClosedTabsAction->setEnabled(false); - - connect(this, SIGNAL(currentChanged(int)), - this, SLOT(currentChanged(int))); - - m_lineEdits = new QStackedWidget(this); -} - -void TabWidget::clear() -{ - // clear the recently closed tabs - m_recentlyClosedTabs.clear(); - // clear the line edit history - for (int i = 0; i < m_lineEdits->count(); ++i) { - QLineEdit *qLineEdit = lineEdit(i); - qLineEdit->setText(qLineEdit->text()); - } -} - -void TabWidget::moveTab(int fromIndex, int toIndex) -{ - QWidget *lineEdit = m_lineEdits->widget(fromIndex); - m_lineEdits->removeWidget(lineEdit); - m_lineEdits->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_lineEdits->count() == count()); - - WebView *oldWebView = this->webView(m_lineEdits->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_lineEdits->setCurrentIndex(index); - emit loadProgress(webView->progress()); - emit showStatusBarMessage(webView->lastStatusBarText()); - if (webView->url().isEmpty()) - m_lineEdits->currentWidget()->setFocus(); - else - webView->setFocus(); -} - -QAction *TabWidget::newTabAction() const -{ - return m_newTabAction; -} - -QAction *TabWidget::closeTabAction() const -{ - return m_closeTabAction; -} - -QAction *TabWidget::recentlyClosedTabsAction() const -{ - return m_recentlyClosedTabsAction; -} - -QAction *TabWidget::nextTabAction() const -{ - return m_nextTabAction; -} - -QAction *TabWidget::previousTabAction() const -{ - return m_previousTabAction; -} - -QWidget *TabWidget::lineEditStack() const -{ - return m_lineEdits; -} - -QLineEdit *TabWidget::currentLineEdit() const -{ - return lineEdit(m_lineEdits->currentIndex()); -} - -WebView *TabWidget::currentWebView() const -{ - return webView(currentIndex()); -} - -QLineEdit *TabWidget::lineEdit(int index) const -{ - UrlLineEdit *urlLineEdit = qobject_cast<UrlLineEdit*>(m_lineEdits->widget(index)); - if (urlLineEdit) - return urlLineEdit->lineEdit(); - return 0; -} - -WebView *TabWidget::webView(int index) const -{ - QWidget *widget = this->widget(index); - if (WebView *webView = qobject_cast<WebView*>(widget)) { - return webView; - } else { - // optimization to delay creating the first webview - if (count() == 1) { - TabWidget *that = const_cast<TabWidget*>(this); - that->setUpdatesEnabled(false); - that->newTab(); - that->closeTab(0); - that->setUpdatesEnabled(true); - return currentWebView(); - } - } - return 0; -} - -int TabWidget::webViewIndex(WebView *webView) const -{ - int index = indexOf(webView); - return index; -} - -WebView *TabWidget::newTab(bool makeCurrent) -{ - // line edit - UrlLineEdit *urlLineEdit = new UrlLineEdit; - QLineEdit *lineEdit = urlLineEdit->lineEdit(); - if (!m_lineEditCompleter && count() > 0) { - HistoryCompletionModel *completionModel = new HistoryCompletionModel(this); - completionModel->setSourceModel(BrowserApplication::historyManager()->historyFilterModel()); - m_lineEditCompleter = new QCompleter(completionModel, this); - // Should this be in Qt by default? - QAbstractItemView *popup = m_lineEditCompleter->popup(); - QListView *listView = qobject_cast<QListView*>(popup); - if (listView) - listView->setUniformItemSizes(true); - } - lineEdit->setCompleter(m_lineEditCompleter); - connect(lineEdit, SIGNAL(returnPressed()), this, SLOT(lineEditReturnPressed())); - m_lineEdits->addWidget(urlLineEdit); - m_lineEdits->setSizePolicy(lineEdit->sizePolicy()); - - // optimization to delay creating the more expensive WebView, history, etc - if (count() == 0) { - QWidget *emptyWidget = new QWidget; - QPalette p = emptyWidget->palette(); - p.setColor(QPalette::Window, palette().color(QPalette::Base)); - emptyWidget->setPalette(p); - emptyWidget->setAutoFillBackground(true); - disconnect(this, SIGNAL(currentChanged(int)), - this, SLOT(currentChanged(int))); - addTab(emptyWidget, tr("(Untitled)")); - connect(this, SIGNAL(currentChanged(int)), - this, SLOT(currentChanged(int))); - return 0; - } - - // webview - WebView *webView = new WebView; - urlLineEdit->setWebView(webView); - connect(webView, SIGNAL(loadStarted()), - this, SLOT(webViewLoadStarted())); - connect(webView, SIGNAL(loadFinished(bool)), - this, SLOT(webViewIconChanged())); - 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->page(), SIGNAL(windowCloseRequested()), - this, SLOT(windowCloseRequested())); - connect(webView->page(), SIGNAL(geometryChangeRequested(const QRect &)), - this, SIGNAL(geometryChangeRequested(const QRect &))); - connect(webView->page(), SIGNAL(printRequested(QWebFrame *)), - this, SIGNAL(printRequested(QWebFrame *))); - connect(webView->page(), SIGNAL(menuBarVisibilityChangeRequested(bool)), - this, SIGNAL(menuBarVisibilityChangeRequested(bool))); - connect(webView->page(), SIGNAL(statusBarVisibilityChangeRequested(bool)), - this, SIGNAL(statusBarVisibilityChangeRequested(bool))); - connect(webView->page(), SIGNAL(toolBarVisibilityChangeRequested(bool)), - this, SIGNAL(toolBarVisibilityChangeRequested(bool))); - addTab(webView, tr("(Untitled)")); - if (makeCurrent) - setCurrentWidget(webView); - - // 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::reloadAllTabs() -{ - for (int i = 0; i < count(); ++i) { - QWidget *tabWidget = widget(i); - if (WebView *tab = qobject_cast<WebView*>(tabWidget)) { - tab->reload(); - } - } -} - -void TabWidget::lineEditReturnPressed() -{ - if (QLineEdit *lineEdit = qobject_cast<QLineEdit*>(sender())) { - emit loadPage(lineEdit->text()); - if (m_lineEdits->currentWidget() == lineEdit) - currentWebView()->setFocus(); - } -} - -void TabWidget::windowCloseRequested() -{ - WebPage *webPage = qobject_cast<WebPage*>(sender()); - WebView *webView = qobject_cast<WebView*>(webPage->view()); - int index = webViewIndex(webView); - if (index >= 0) { - if (count() == 1) - webView->webPage()->mainWindow()->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; - WebView *tab = newTab(false); - tab->setUrl(webView(index)->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; - if (WebView *tab = webView(index)) { - 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 (m_recentlyClosedTabs.size() >= TabWidget::m_recentlyClosedTabsSize) - m_recentlyClosedTabs.removeLast(); - } - QWidget *lineEdit = m_lineEdits->widget(index); - m_lineEdits->removeWidget(lineEdit); - lineEdit->deleteLater(); - QWidget *webView = widget(index); - removeTab(index); - webView->deleteLater(); - emit tabsChanged(); - if (hasFocus && count() > 0) - currentWebView()->setFocus(); - if (count() == 0) - emit lastTabClosed(); -} - -void TabWidget::webViewLoadStarted() -{ - WebView *webView = qobject_cast<WebView*>(sender()); - int index = webViewIndex(webView); - if (-1 != index) { - QIcon icon(QLatin1String(":loading.gif")); - setTabIcon(index, icon); - } -} - -void TabWidget::webViewIconChanged() -{ - WebView *webView = qobject_cast<WebView*>(sender()); - int index = webViewIndex(webView); - if (-1 != index) { - QIcon icon = BrowserApplication::instance()->icon(webView->url()); - setTabIcon(index, icon); - } -} - -void TabWidget::webViewTitleChanged(const QString &title) -{ - WebView *webView = qobject_cast<WebView*>(sender()); - int index = webViewIndex(webView); - if (-1 != index) { - setTabText(index, title); - } - if (currentIndex() == index) - emit setCurrentTitle(title); - BrowserApplication::historyManager()->updateHistoryItem(webView->url(), title); -} - -void TabWidget::webViewUrlChanged(const QUrl &url) -{ - WebView *webView = qobject_cast<WebView*>(sender()); - int index = webViewIndex(webView); - if (-1 != index) { - m_tabBar->setTabData(index, url); - } - emit tabsChanged(); -} - -void TabWidget::aboutToShowRecentTabsMenu() -{ - m_recentlyClosedTabsMenu->clear(); - for (int i = 0; i < m_recentlyClosedTabs.count(); ++i) { - QAction *action = new QAction(m_recentlyClosedTabsMenu); - action->setData(m_recentlyClosedTabs.at(i)); - 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) -{ - QUrl url = action->data().toUrl(); - loadUrlInCurrentTab(url); -} - -void TabWidget::mouseDoubleClickEvent(QMouseEvent *event) -{ - if (!childAt(event->pos()) - // Remove the line below when QTabWidget does not have a one pixel frame - && event->pos().y() < (tabBar()->y() + tabBar()->height())) { - newTab(); - return; - } - QTabWidget::mouseDoubleClickEvent(event); -} - -void TabWidget::contextMenuEvent(QContextMenuEvent *event) -{ - if (!childAt(event->pos())) { - m_tabBar->contextMenuRequested(event->pos()); - return; - } - QTabWidget::contextMenuEvent(event); -} - -void TabWidget::mouseReleaseEvent(QMouseEvent *event) -{ - if (event->button() == Qt::MidButton && !childAt(event->pos()) - // Remove the line below when QTabWidget does not have a one pixel frame - && event->pos().y() < (tabBar()->y() + tabBar()->height())) { - QUrl url(QApplication::clipboard()->text(QClipboard::Selection)); - if (!url.isEmpty() && url.isValid() && !url.scheme().isEmpty()) { - WebView *webView = newTab(); - webView->setUrl(url); - } - } -} - -void TabWidget::loadUrlInCurrentTab(const QUrl &url) -{ - WebView *webView = currentWebView(); - if (webView) { - webView->loadUrl(url); - webView->setFocus(); - } -} - -void TabWidget::nextTab() -{ - int next = currentIndex() + 1; - if (next == count()) - next = 0; - setCurrentIndex(next); -} - -void TabWidget::previousTab() -{ - int next = currentIndex() - 1; - if (next < 0) - next = count() - 1; - setCurrentIndex(next); -} - -static const qint32 TabWidgetMagic = 0xaa; - -QByteArray TabWidget::saveState() const -{ - int version = 1; - QByteArray data; - QDataStream stream(&data, QIODevice::WriteOnly); - - stream << qint32(TabWidgetMagic); - stream << qint32(version); - - QStringList tabs; - for (int i = 0; i < count(); ++i) { - if (WebView *tab = qobject_cast<WebView*>(widget(i))) { - tabs.append(tab->url().toString()); - } else { - tabs.append(QString::null); - } - } - stream << tabs; - stream << currentIndex(); - return data; -} - -bool TabWidget::restoreState(const QByteArray &state) -{ - int version = 1; - QByteArray sd = state; - QDataStream stream(&sd, QIODevice::ReadOnly); - if (stream.atEnd()) - return false; - - qint32 marker; - qint32 v; - stream >> marker; - stream >> v; - if (marker != TabWidgetMagic || v != version) - return false; - - QStringList openTabs; - stream >> openTabs; - - for (int i = 0; i < openTabs.count(); ++i) { - if (i != 0) - newTab(); - loadPage(openTabs.at(i)); - } - - int currentTab; - stream >> currentTab; - setCurrentIndex(currentTab); - - return true; -} - -WebActionMapper::WebActionMapper(QAction *root, QWebPage::WebAction webAction, QObject *parent) - : QObject(parent) - , m_currentParent(0) - , m_root(root) - , m_webAction(webAction) -{ - if (!m_root) - return; - connect(m_root, SIGNAL(triggered()), this, SLOT(rootTriggered())); - connect(root, SIGNAL(destroyed(QObject *)), this, SLOT(rootDestroyed())); - root->setEnabled(false); -} - -void WebActionMapper::rootDestroyed() -{ - m_root = 0; -} - -void WebActionMapper::currentDestroyed() -{ - updateCurrent(0); -} - -void WebActionMapper::addChild(QAction *action) -{ - if (!action) - return; - connect(action, SIGNAL(changed()), this, SLOT(childChanged())); -} - -QWebPage::WebAction WebActionMapper::webAction() const -{ - return m_webAction; -} - -void WebActionMapper::rootTriggered() -{ - if (m_currentParent) { - QAction *gotoAction = m_currentParent->action(m_webAction); - gotoAction->trigger(); - } -} - -void WebActionMapper::childChanged() -{ - if (QAction *source = qobject_cast<QAction*>(sender())) { - if (m_root - && m_currentParent - && source->parent() == m_currentParent) { - m_root->setChecked(source->isChecked()); - m_root->setEnabled(source->isEnabled()); - } - } -} - -void WebActionMapper::updateCurrent(QWebPage *currentParent) -{ - if (m_currentParent) - disconnect(m_currentParent, SIGNAL(destroyed(QObject *)), - this, SLOT(currentDestroyed())); - - m_currentParent = currentParent; - if (!m_root) - return; - if (!m_currentParent) { - m_root->setEnabled(false); - m_root->setChecked(false); - return; - } - QAction *source = m_currentParent->action(m_webAction); - m_root->setChecked(source->isChecked()); - m_root->setEnabled(source->isEnabled()); - connect(m_currentParent, SIGNAL(destroyed(QObject *)), - this, SLOT(currentDestroyed())); -} - |