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Diffstat (limited to 'src/urlbar/completionwidget.cpp')
| -rw-r--r-- | src/urlbar/completionwidget.cpp | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/src/urlbar/completionwidget.cpp b/src/urlbar/completionwidget.cpp new file mode 100644 index 00000000..8307940b --- /dev/null +++ b/src/urlbar/completionwidget.cpp @@ -0,0 +1,314 @@ +/* ============================================================ +* +* This file is a part of the rekonq project +* +* Copyright (C) 2009 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 "completionwidget.h" +#include "completionwidget.moc" + +// Auto Includes +#include "rekonq.h" + +// Local Includes +#include "application.h" +#include "urlresolver.h" + +// KDE Includes +#include <KGlobalSettings> +#include <KDebug> +#include <KUrl> + +// Qt Includes +#include <QPoint> +#include <QSize> +#include <QVBoxLayout> +#include <QString> +#include <QEvent> +#include <QKeyEvent> + +// Defines +#define QL1S(x) QLatin1String(x) + + +CompletionWidget::CompletionWidget(QWidget *parent) + : QFrame(parent, Qt::ToolTip) + , _parent(parent) + , _currentIndex(-1) + , _searchEngine( defaultSearchEngine() ) +{ + setFrameStyle(QFrame::Panel); + setLayoutDirection(Qt::LeftToRight); + QVBoxLayout *layout = new QVBoxLayout; + layout->setMargin(0); + layout->setSpacing(0); + setLayout(layout); +} + + +void CompletionWidget::insertSearchList(const UrlSearchList &list, const QString& text) +{ + _list = list; + int i = 0; + foreach(UrlSearchItem item, _list) + { + ListItem *suggestion = ListItemFactory::create(item, text, this); + suggestion->setBackgroundRole(i%2 ? QPalette::AlternateBase : QPalette::Base); + connect(suggestion, SIGNAL(itemClicked(ListItem *, Qt::MouseButton)), this, SLOT(itemChosen(ListItem *, Qt::MouseButton))); + connect(this, SIGNAL(nextItemSubChoice()), suggestion, SLOT(nextItemSubChoice())); + suggestion->setObjectName( QString::number(i++) ); + layout()->addWidget( suggestion ); + } +} + + +void CompletionWidget::sizeAndPosition() +{ + setFixedWidth( _parent->width() ); + adjustSize(); + + // position + QPoint p = _parent->mapToGlobal( QPoint(0,0) ); + move(p.x(), p.y() + _parent->height()); +} + + +void CompletionWidget::popup() +{ + down(); + sizeAndPosition(); + if (!isVisible()) + show(); +} + + +void CompletionWidget::up() +{ + // deactivate previous + if(_currentIndex != -1) + { + ListItem *widget = findChild<ListItem *>( QString::number(_currentIndex) ); + widget->deactivate(); + } + + if(_currentIndex > 0) + _currentIndex--; + else + _currentIndex=layout()->count()-1; + + // activate "new" current + ListItem *widget = findChild<ListItem *>( QString::number(_currentIndex) ); + widget->activate(); +} + + +void CompletionWidget::down() +{ + // deactivate previous + if(_currentIndex != -1) + { + ListItem *widget = findChild<ListItem *>( QString::number(_currentIndex) ); + widget->deactivate(); + } + + if(_currentIndex < _list.count() -1) + _currentIndex++; + else + _currentIndex=0; + + // activate "new" current + ListItem *widget = findChild<ListItem *>( QString::number(_currentIndex) ); + widget->activate(); +} + + +void CompletionWidget::clear() +{ + QLayoutItem *child; + while ((child = layout()->takeAt(0)) != 0) + { + delete child->widget(); + delete child; + } + _currentIndex = -1; +} + + +bool CompletionWidget::eventFilter( QObject *o, QEvent *e ) +{ + int type = e->type(); + QWidget *wid = qobject_cast<QWidget*>(o); + + if (o == this) + { + return false; + } + + //hide conditions of the CompletionWidget + if (wid + && ((wid == _parent && (type == QEvent::Move || type == QEvent::Resize)) + || ((wid->windowFlags() & Qt::Window) + && (type == QEvent::Move || type == QEvent::Hide || type == QEvent::WindowDeactivate) + && wid == _parent->window()) + || (type == QEvent::MouseButtonPress && !isAncestorOf(wid))) + ) + { + hide(); + return false; + } + + //actions on the CompletionWidget + if (wid && wid->isAncestorOf(_parent) && isVisible()) + { + ListItem *child; + + if ( type == QEvent::KeyPress ) + { + QKeyEvent *ev = static_cast<QKeyEvent *>( e ); + switch ( ev->key() ) + { + case Qt::Key_Up: + case Qt::Key_Backtab: + if (ev->modifiers() == Qt::NoButton || (ev->modifiers() & Qt::ShiftModifier)) + { + up(); + ev->accept(); + return true; + } + break; + + case Qt::Key_Down: + case Qt::Key_Tab: + if (ev->modifiers() == Qt::NoButton) + { + down(); + ev->accept(); + return true; + } + if (ev->modifiers() & Qt::ControlModifier) + { + emit nextItemSubChoice(); + ev->accept(); + return true; + } + break; + + case Qt::Key_Enter: + case Qt::Key_Return: + child = findChild<ListItem *>( QString::number(_currentIndex) ); + emit chosenUrl( child->url(), Rekonq::CurrentTab); + ev->accept(); + hide(); + return true; + + case Qt::Key_Escape: + hide(); + return true; + } + } + } + + return QFrame::eventFilter(o,e); +} + + +void CompletionWidget::setVisible( bool visible ) +{ + if (visible) + { + Application::instance()->installEventFilter(this); + } + else + { + Application::instance()->removeEventFilter(this); + } + + + QFrame::setVisible(visible); +} + + +void CompletionWidget::itemChosen(ListItem *item, Qt::MouseButton button) +{ + if(button == Qt::MidButton) + emit chosenUrl( item->url(), Rekonq::NewCurrentTab); + else + emit chosenUrl( item->url(), Rekonq::CurrentTab); + hide(); +} + + + + +void CompletionWidget::suggestUrls(const QString &text) +{ + QWidget *w = qobject_cast<QWidget *>(parent()); + if(!w->hasFocus()) + return; + + if(text.isEmpty()) + { + hide(); + return; + } + + UrlResolver res(text); + UrlSearchList list = res.orderedSearchItems(); + if(list.count() > 0) + { + clear(); + insertSearchList(list, text); + popup(); + } +} + + +QString CompletionWidget::defaultSearchEngine() +{ + int n = ReKonfig::searchEngine(); + QString engine; + switch(n) + { + case 0: + engine = QL1S("google"); + break; + case 1: + engine = QL1S("altavista"); + break; + case 2: + engine = QL1S("lycos"); + break; + case 3: + engine = QL1S("wikipedia"); + break; + case 4: + engine = QL1S("wolfram"); + break; + default: + engine = QL1S("google"); + break; + } + + return engine; +} |