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Diffstat (limited to 'src/urlbar/listitem.cpp')
| -rw-r--r-- | src/urlbar/listitem.cpp | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/src/urlbar/listitem.cpp b/src/urlbar/listitem.cpp new file mode 100644 index 00000000..b47d23bf --- /dev/null +++ b/src/urlbar/listitem.cpp @@ -0,0 +1,664 @@ +/* ============================================================ +* +* This file is a part of the rekonq project +* +* Copyright (C) 2009-2012 by Andrea Diamantini <adjam7 at gmail dot com> +* +* +* 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) version 3 or any later version +* accepted by the membership of KDE e.V. (or its successor approved +* by the membership of KDE e.V.), which shall act as a proxy +* defined in Section 14 of version 3 of the license. +* +* 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/>. +* +* ============================================================ */ + + +// Self Includes +#include "listitem.h" +#include "listitem.moc" + +// Auto Includes +#include "rekonq.h" + +// Local Includes +#include "iconmanager.h" + +#include "urlsuggester.h" +#include "completionwidget.h" + +#include "websnap.h" +#include "searchengine.h" + +// KDE Includes +#include <KIcon> +#include <KAction> +#include <kio/jobclasses.h> +#include <kio/scheduler.h> + +// Qt Includes +#include <QApplication> +#include <QActionGroup> +#include <QHBoxLayout> +#include <QVBoxLayout> +#include <QSizePolicy> +#include <QPixmap> +#include <QStylePainter> +#include <QMouseEvent> +#include <QWebSettings> +#include <QFile> +#include <QTextDocument> +#include <QBitArray> + + +ListItem::ListItem(const UrlSuggestionItem &item, QWidget *parent) + : QWidget(parent) + , m_option() + , m_url(item.url) +{ + m_option.initFrom(this); + m_option.direction = Qt::LeftToRight; + + // use the same application palette (hence, the same colors) + // Qt docs says that using this cctor is possible & fast (qt:qpalette) + QPalette p(QApplication::palette()); + setPalette(p); + + deactivate(); +} + + +ListItem::~ListItem() +{ + disconnect(); +} + + +void ListItem::activate() +{ + m_option.state |= QStyle::State_Selected; + update(); +} + + +void ListItem::deactivate() +{ + m_option.state &= ~QStyle::State_Selected; + update(); +} + + +void ListItem::paintEvent(QPaintEvent *event) +{ + Q_UNUSED(event); + + QWidget::paintEvent(event); + QPainter painter(this); + m_option.rect = QRect(QPoint(), size()); + painter.fillRect(m_option.rect, palette().brush(backgroundRole())); + + if (m_option.state.testFlag(QStyle::State_Selected) || m_option.state.testFlag(QStyle::State_MouseOver)) + { + style()->drawPrimitive(QStyle::PE_PanelItemViewItem, &m_option, &painter, this); + } + +} + + +void ListItem::enterEvent(QEvent *e) +{ + m_option.state |= QStyle::State_MouseOver; + update(); + QWidget::enterEvent(e); +} + + +void ListItem::leaveEvent(QEvent *e) +{ + m_option.state &= ~QStyle::State_MouseOver; + update(); + QWidget::enterEvent(e); +} + + +void ListItem::mousePressEvent(QMouseEvent *e) +{ + emit itemClicked(this, e->button(), e->modifiers()); + QWidget::mousePressEvent(e); +} + + +KUrl ListItem::url() +{ + return m_url; +} + + +QString ListItem::text() +{ + return m_url.url(); +} + + +void ListItem::nextItemSubChoice() +{ + // will be override +} + + +// --------------------------------------------------------------- + + +TypeIconLabel::TypeIconLabel(int type, QWidget *parent) + : QLabel(parent) +{ + setMinimumWidth(16); + QHBoxLayout *hLayout = new QHBoxLayout; + hLayout->setMargin(0); + hLayout->setAlignment(Qt::AlignRight); + setLayout(hLayout); + + if (type & UrlSuggestionItem::Search) + hLayout->addWidget(getIcon("edit-find")); + if (type & UrlSuggestionItem::Browse) + hLayout->addWidget(getIcon("applications-internet")); + if (type & UrlSuggestionItem::Bookmark) + hLayout->addWidget(getIcon("rating")); + if (type & UrlSuggestionItem::History) + hLayout->addWidget(getIcon("view-history")); + if (type & UrlSuggestionItem::Suggestion) + hLayout->addWidget(getIcon("help-hint")); +} + + +QLabel *TypeIconLabel::getIcon(QString icon) +{ + QLabel *iconLabel = new QLabel(this); + iconLabel->setFixedSize(16, 16); + QPixmap pixmap = KIcon(icon).pixmap(16); + iconLabel->setPixmap(pixmap); + return iconLabel; +} + + +// --------------------------------------------------------------- + + +IconLabel::IconLabel(const QString &icon, QWidget *parent) + : QLabel(parent) +{ + QPixmap pixmapIcon = IconManager::self()->iconForUrl(KUrl(icon)).pixmap(16); + setFixedSize(16, 16); + setPixmap(pixmapIcon); +} + + +IconLabel::IconLabel(const KIcon &icon, QWidget *parent) + : QLabel(parent) +{ + QPixmap pixmapIcon = icon.pixmap(16); + setFixedSize(16, 16); + setPixmap(pixmapIcon); +} + + +// --------------------------------------------------------------- + + +static QString highlightWordsInText(const QString &text, const QStringList &words) +{ + QString ret = text; + QBitArray boldSections(ret.size()); + Q_FOREACH(const QString & wordToPointOut, words) + { + int index = ret.indexOf(wordToPointOut, 0, Qt::CaseInsensitive); + while (index > -1) + { + boldSections.fill(true, index, index + wordToPointOut.size()); + index = ret.indexOf(wordToPointOut, index + wordToPointOut.size(), Qt::CaseInsensitive); + } + } + + + if (boldSections.isEmpty()) + return ret; + + int numSections = 0; + for (int i = 0; i < boldSections.size() - 1; ++i) + { + if (boldSections.testBit(i) && !boldSections.testBit(i + 1)) + ++numSections; + } + if (boldSections.testBit(boldSections.size() - 1)) //last char was still part of a bold section + ++numSections; + const int tagLength = 7; // length of "<b>" and "</b>" we're going to add for each bold section. + ret.reserve(ret.size() + numSections * tagLength); + bool bold = false; + for (int i = boldSections.size() - 1; i >= 0; --i) + { + if (!bold && boldSections.testBit(i)) + { + ret.insert(i + 1, QL1S("</b>")); + bold = true; + } + else if (bold && !boldSections.testBit(i)) + { + ret.insert(i + 1, QL1S("<b>")); + bold = false; + } + } + if (bold) + ret.insert(0, QL1S("<b>")); + return ret; +} + + +TextLabel::TextLabel(const QString &text, const QString &textToPointOut, QWidget *parent) + : QLabel(parent) +{ + setTextFormat(Qt::RichText); + setMouseTracking(false); + QString t = text; + const bool wasItalic = t.startsWith(QL1S("<i>")); + if (wasItalic) + t.remove(QRegExp(QL1S("<[/ib]*>"))); + t = Qt::escape(t); + QStringList words = Qt::escape(textToPointOut.simplified()).split(QL1C(' ')); + t = highlightWordsInText(t, words); + if (wasItalic) + t = QL1S("<i>") + t + QL1S("</i>"); + setText(t); + setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum); +} + + +TextLabel::TextLabel(QWidget *parent) + : QLabel(parent) +{ + setTextFormat(Qt::RichText); + setMouseTracking(false); + setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum); +} + + +void TextLabel::setEngineText(const QString &engine, const QString &text) +{ + setText(i18nc("%1=search engine, e.g. Google, Wikipedia %2=text to search for", "Search %1 for <b>%2</b>", engine, Qt::escape(text))); +} + + +// --------------------------------------------------------------- + + +DescriptionLabel::DescriptionLabel(const QString &text, QWidget *parent) + : QLabel(parent) +{ + QString t = text; + const bool wasItalic = t.startsWith(QL1S("<i>")); + if (wasItalic) + t.remove(QRegExp("<[/ib]*>")); + + if (wasItalic) + t = QL1S("<i>") + t + QL1S("</i>"); + + setWordWrap(false); //NOTE: why setWordWrap(true) make items have a strange behavior ? + setText(t); + setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Maximum); +} + + +//-------------------------------------------------------------------------------------------- + + +PreviewListItem::PreviewListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent) + : ListItem(item, parent) +{ + QHBoxLayout *hLayout = new QHBoxLayout; + hLayout->setSpacing(4); + + // icon + hLayout->addWidget(new TypeIconLabel(item.type, this)); + + // url + text + QVBoxLayout *vLayout = new QVBoxLayout; + vLayout->setMargin(0); + + QString title = item.title; + if (title.isEmpty()) + { + title = item.url; + title = title.remove("http://"); + title.truncate(title.indexOf("/")); + } + + vLayout->addWidget(new TextLabel(title, text, this)); + vLayout->addWidget(new TextLabel("<i>" + item.url + "</i>", text, this)); + hLayout->addLayout(vLayout); + + // preview label icon + QLabel *previewLabelIcon = new QLabel(this); + previewLabelIcon->setFixedSize(45, 33); + new PreviewLabel(item.url, 38, 29, previewLabelIcon); + IconLabel* icon = new IconLabel(item.url, previewLabelIcon); + icon->move(27, 16); + hLayout->addWidget(previewLabelIcon); + + setLayout(hLayout); +} + + +// --------------------------------------------------------------- + + +PreviewLabel::PreviewLabel(const QString &url, int width, int height, QWidget *parent) + : QLabel(parent) +{ + setFixedSize(width, height); + setFrameStyle(QFrame::StyledPanel | QFrame::Raised); + + KUrl u = KUrl(url); + if (WebSnap::existsImage(KUrl(u))) + { + QPixmap preview; + preview.load(WebSnap::imagePathFromUrl(u)); + setPixmap(preview.scaled(width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation)); + } +} + + +// --------------------------------------------------------------- + + +ImageLabel::ImageLabel(const QString &url, int width, int height, QWidget *parent) + : QLabel(parent), + m_url(url) +{ + setFixedSize(width, height); + if (WebSnap::existsImage(KUrl(url))) + { + QPixmap pix; + pix.load(WebSnap::imagePathFromUrl(url)); + setPixmap(pix); + } + else + { + KIO::TransferJob *job = KIO::get(KUrl(url), KIO::NoReload, KIO::HideProgressInfo); + connect(job, SIGNAL(data(KIO::Job*, QByteArray)), + this, SLOT(slotData(KJob*, QByteArray))); + connect(job, SIGNAL(result(KJob*)), + this, SLOT(slotResult(KJob*))); + } +} + + +void ImageLabel::slotData(KJob *job, const QByteArray &data) +{ + Q_UNUSED(job); + m_data.append(data); +} + + +void ImageLabel::slotResult(KJob *) +{ + QPixmap pix; + if (!pix.loadFromData(m_data)) + kDebug() << "error while loading image: "; + setPixmap(pix); + pix.save(WebSnap::imagePathFromUrl(m_url), "PNG"); +} + + +// --------------------------------------------------------------- + + +SearchListItem::SearchListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent) + : ListItem(item, parent) + , m_text(text) +{ + // FIXME +// m_iconLabel = new IconLabel(SearchEngine::buildQuery(UrlResolver::searchEngine(), ""), this); +// m_titleLabel = new TextLabel(this); +// m_titleLabel->setEngineText(UrlResolver::searchEngine()->name(), item.title); +// m_engineBar = new EngineBar(UrlResolver::searchEngine(), parent); + + QHBoxLayout *hLayout = new QHBoxLayout; + hLayout->setSpacing(4); + + hLayout->addWidget(m_iconLabel); + hLayout->addWidget(m_titleLabel); + hLayout->addWidget(new QLabel(i18n("Engines: "), this)); + hLayout->addWidget(m_engineBar); + hLayout->addWidget(new TypeIconLabel(item.type, this)); + + setLayout(hLayout); + + connect(m_engineBar, SIGNAL(searchEngineChanged(KService::Ptr)), this, SLOT(changeSearchEngine(KService::Ptr))); +} + + +QString SearchListItem::text() +{ + return m_text; +} + + +void SearchListItem::changeSearchEngine(KService::Ptr engine) +{ + // NOTE: This to let rekonq loading text typed in the requested engine on click. + // There probably is a better way to do it. I just cannot see it now... + UrlSuggestionItem item = UrlSuggestionItem(UrlSuggestionItem::Search, SearchEngine::buildQuery(engine, m_text), m_text); + SearchListItem sItem(item, m_text, this); + emit itemClicked(&sItem, Qt::LeftButton, Qt::NoModifier); +} + + +void SearchListItem::nextItemSubChoice() +{ + m_engineBar->selectNextEngine(); +} + + +// ----------------------------------------------------------------------------------------------- + + +EngineBar::EngineBar(KService::Ptr selectedEngine, QWidget *parent) + : KToolBar(parent) +{ + setIconSize(QSize(16, 16)); + setToolButtonStyle(Qt::ToolButtonIconOnly); + + m_engineGroup = new QActionGroup(this); + m_engineGroup->setExclusive(true); + + if (SearchEngine::defaultEngine().isNull()) + return; + m_engineGroup->addAction(newEngineAction(SearchEngine::defaultEngine(), selectedEngine)); + Q_FOREACH(const KService::Ptr & engine, SearchEngine::favorites()) + { + if (engine->desktopEntryName() != SearchEngine::defaultEngine()->desktopEntryName()) + { + m_engineGroup->addAction(newEngineAction(engine, selectedEngine)); + } + } + + addActions(m_engineGroup->actions()); +} + + +KAction *EngineBar::newEngineAction(KService::Ptr engine, KService::Ptr selectedEngine) +{ + QUrl u = engine->property("Query").toUrl(); + KUrl url = KUrl(u.toString(QUrl::RemovePath | QUrl::RemoveQuery)); + + KAction *a = new KAction(IconManager::self()->iconForUrl(url), engine->name(), this); + a->setCheckable(true); + if (engine->desktopEntryName() == selectedEngine->desktopEntryName()) a->setChecked(true); + a->setData(engine->entryPath()); + connect(a, SIGNAL(triggered(bool)), this, SLOT(changeSearchEngine())); + return a; +} + + +void EngineBar::changeSearchEngine() +{ + KAction *a = qobject_cast<KAction*>(sender()); + emit searchEngineChanged(KService::serviceByDesktopPath(a->data().toString())); +} + + +void EngineBar::selectNextEngine() +{ + QList<QAction *> e = m_engineGroup->actions(); + int i = 0; + while (i < e.count() && !e.at(i)->isChecked()) + { + i++; + } + + if (i + 1 == e.count()) + { + e.at(0)->setChecked(true); + e.at(0)->trigger(); + } + else + { + e.at(i + 1)->setChecked(true); + e.at(i + 1)->trigger(); + } +} + + +// --------------------------------------------------------------- + + +SuggestionListItem::SuggestionListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent) + : ListItem(item, parent) + , m_text(item.title) +{ + QHBoxLayout *hLayout = new QHBoxLayout; + hLayout->setSpacing(4); + + hLayout->addWidget(new IconLabel(item.url, this)); + hLayout->addWidget(new TextLabel(item.title, text, this)); + hLayout->addWidget(new TypeIconLabel(item.type, this)); + + setLayout(hLayout); +} + + +QString SuggestionListItem::text() +{ + return m_text; +} + + +// --------------------------------------------------------------- + + +VisualSuggestionListItem::VisualSuggestionListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent) + : ListItem(item, parent) + , m_text(item.title) +{ + + QHBoxLayout *hLayout = new QHBoxLayout; + hLayout->setSpacing(4); + QLabel *previewLabelIcon = new QLabel(this); + + if (!item.image.isEmpty()) + { + previewLabelIcon->setFixedSize(item.image_width + 10, item.image_height + 10); + new ImageLabel(item.image, item.image_width, item.image_height, previewLabelIcon); + IconLabel* icon = new IconLabel(item.url, previewLabelIcon); + icon->move(item.image_width - 10, item.image_height - 10); + } + else + { + previewLabelIcon->setFixedSize(18, 18); + new IconLabel(item.url, previewLabelIcon); + } + + hLayout->addWidget(previewLabelIcon); + QVBoxLayout *vLayout = new QVBoxLayout; + vLayout->setMargin(0); + vLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::MinimumExpanding)); + vLayout->addWidget(new TextLabel(item.title, text, this)); + DescriptionLabel *d = new DescriptionLabel("", this); + vLayout->addWidget(d); + vLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::MinimumExpanding)); + hLayout->addLayout(vLayout); + hLayout->addWidget(new TypeIconLabel(item.type, this)); + setLayout(hLayout); + d->setText("<i>" + item.description + "</i>"); +} + + +QString VisualSuggestionListItem::text() +{ + return m_text; +} + + +// --------------------------------------------------------------- + + +BrowseListItem::BrowseListItem(const UrlSuggestionItem &item, const QString &text, QWidget *parent) + : ListItem(item, parent) +{ + QHBoxLayout *hLayout = new QHBoxLayout; + hLayout->setSpacing(4); + + hLayout->addWidget(new IconLabel(item.url, this)); + hLayout->addWidget(new TextLabel(item.url, text, this)); + hLayout->addWidget(new TypeIconLabel(item.type, this)); + + setLayout(hLayout); +} + + +// --------------------------------------------------------------- + + +ListItem *ListItemFactory::create(const UrlSuggestionItem &item, const QString &text, QWidget *parent) +{ + if (item.type & UrlSuggestionItem::Search) + { + return new SearchListItem(item, text, parent); + } + + if (item.type & UrlSuggestionItem::Browse) + { + return new BrowseListItem(item, text, parent); + } + + if (item.type & UrlSuggestionItem::History) + { + return new PreviewListItem(item, text, parent); + } + + if (item.type & UrlSuggestionItem::Bookmark) + { + return new PreviewListItem(item, text, parent); + } + + if (item.type & UrlSuggestionItem::Suggestion) + { + if (item.description.isEmpty()) + { + return new SuggestionListItem(item, text, parent); + } + + return new VisualSuggestionListItem(item, text, parent); + } + + return new PreviewListItem(item, text, parent); +} |