From 4aed2c8219774f5d797760606b8489a92ddc5163 Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- libkonq/konq_filetip.cc | 300 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 300 insertions(+) create mode 100644 libkonq/konq_filetip.cc (limited to 'libkonq/konq_filetip.cc') diff --git a/libkonq/konq_filetip.cc b/libkonq/konq_filetip.cc new file mode 100644 index 000000000..c9c661c57 --- /dev/null +++ b/libkonq/konq_filetip.cc @@ -0,0 +1,300 @@ +/* This file is part of the KDE projects + Copyright (C) 1998, 1999 Torben Weis + Copyright (C) 2000, 2001, 2002 David Faure + Copyright (C) 2004 Martin Koller + + 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 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; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include +//-------------------------------------------------------------------------------- + +KonqFileTip::KonqFileTip( QScrollView* parent ) + : QFrame( 0, 0, WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WStyle_StaysOnTop | WX11BypassWM ), + m_on( false ), + m_preview( false ), + m_filter( false ), + m_corner( 0 ), + m_num( 0 ), + m_view( parent ), + m_item( 0 ), + m_previewJob( 0 ) +{ + m_iconLabel = new QLabel(this); + m_textLabel = new QLabel(this); + m_textLabel->setAlignment(Qt::AlignAuto | Qt::AlignTop); + + QGridLayout* layout = new QGridLayout(this, 1, 2, 8, 0); + layout->addWidget(m_iconLabel, 0, 0); + layout->addWidget(m_textLabel, 0, 1); + layout->setResizeMode(QLayout::Fixed); + + setPalette( QToolTip::palette() ); + setMargin( 1 ); + setFrameStyle( QFrame::Plain | QFrame::Box ); + + m_timer = new QTimer(this); + + hide(); +} + +KonqFileTip::~KonqFileTip() +{ + if ( m_previewJob ) { + m_previewJob->kill(); + m_previewJob = 0; + } +} + +void KonqFileTip::setPreview(bool on) +{ + m_preview = on; + if(on) + m_iconLabel->show(); + else + m_iconLabel->hide(); +} + +void KonqFileTip::setOptions( bool on, bool preview, int num ) +{ + setPreview(preview); + m_on = on; + m_num = num; +} + +void KonqFileTip::setItem( KFileItem *item, const QRect &rect, const QPixmap *pixmap ) +{ + hideTip(); + + if (!m_on) return; + + if ( m_previewJob ) { + m_previewJob->kill(); + m_previewJob = 0; + } + + m_rect = rect; + m_item = item; + + if ( m_item ) { + if (m_preview) { + if ( pixmap ) + m_iconLabel->setPixmap( *pixmap ); + else + m_iconLabel->setPixmap( QPixmap() ); + } + + // Don't start immediately, because the user could move the mouse over another item + // This avoids a quick sequence of started preview-jobs + m_timer->disconnect( this ); + connect(m_timer, SIGNAL(timeout()), this, SLOT(startDelayed())); + m_timer->start( 300, true ); + } +} + +void KonqFileTip::reposition() +{ + if ( m_rect.isEmpty() || !m_view || !m_view->viewport() ) return; + + QRect rect = m_rect; + QPoint off = m_view->viewport()->mapToGlobal( m_view->contentsToViewport( rect.topRight() ) ); + rect.moveTopRight( off ); + + QPoint pos = rect.center(); + // m_corner: + // 0: upperleft + // 1: upperright + // 2: lowerleft + // 3: lowerright + // 4+: none + m_corner = 0; + // should the tooltip be shown to the left or to the right of the ivi ? + QRect desk = KGlobalSettings::desktopGeometry(rect.center()); + if (rect.center().x() + width() > desk.right()) + { + // to the left + if (pos.x() - width() < 0) { + pos.setX(0); + m_corner = 4; + } else { + pos.setX( pos.x() - width() ); + m_corner = 1; + } + } + // should the tooltip be shown above or below the ivi ? + if (rect.bottom() + height() > desk.bottom()) + { + // above + pos.setY( rect.top() - height() ); + m_corner += 2; + } + else pos.setY( rect.bottom() + 1 ); + + move( pos ); + update(); +} + +void KonqFileTip::gotPreview( const KFileItem* item, const QPixmap& pixmap ) +{ + m_previewJob = 0; + if (item != m_item) return; + + m_iconLabel -> setPixmap(pixmap); +} + +void KonqFileTip::gotPreviewResult() +{ + m_previewJob = 0; +} + +void KonqFileTip::drawContents( QPainter *p ) +{ + static const char * const names[] = { + "arrow_topleft", + "arrow_topright", + "arrow_bottomleft", + "arrow_bottomright" + }; + + if (m_corner >= 4) { // 4 is empty, so don't draw anything + QFrame::drawContents( p ); + return; + } + + if ( m_corners[m_corner].isNull()) + m_corners[m_corner].load( locate( "data", QString::fromLatin1( "konqueror/pics/%1.png" ).arg( names[m_corner] ) ) ); + + QPixmap &pix = m_corners[m_corner]; + + switch ( m_corner ) + { + case 0: + p->drawPixmap( 3, 3, pix ); + break; + case 1: + p->drawPixmap( width() - pix.width() - 3, 3, pix ); + break; + case 2: + p->drawPixmap( 3, height() - pix.height() - 3, pix ); + break; + case 3: + p->drawPixmap( width() - pix.width() - 3, height() - pix.height() - 3, pix ); + break; + } + + QFrame::drawContents( p ); +} + +void KonqFileTip::setFilter( bool enable ) +{ + if ( enable == m_filter ) return; + + if ( enable ) { + kapp->installEventFilter( this ); + QApplication::setGlobalMouseTracking( true ); + } + else { + QApplication::setGlobalMouseTracking( false ); + kapp->removeEventFilter( this ); + } + m_filter = enable; +} + +void KonqFileTip::showTip() +{ + QString text = m_item->getToolTipText(m_num); + + if ( text.isEmpty() ) return; + + m_timer->disconnect( this ); + connect(m_timer, SIGNAL(timeout()), this, SLOT(hideTip())); + m_timer->start( 15000, true ); + + m_textLabel->setText( text ); + + setFilter( true ); + + reposition(); + show(); +} + +void KonqFileTip::hideTip() +{ + m_timer->stop(); + setFilter( false ); + if ( isShown() && m_view && m_view->viewport() && + (m_view->horizontalScrollBar()->isShown() || m_view->verticalScrollBar()->isShown()) ) + m_view->viewport()->update(); + hide(); +} +void KonqFileTip::startDelayed() +{ + if ( m_preview ) { + KFileItemList oneItem; + oneItem.append( m_item ); + + m_previewJob = KIO::filePreview( oneItem, 256, 256, 64, 70, true, true, 0); + connect( m_previewJob, SIGNAL( gotPreview( const KFileItem *, const QPixmap & ) ), + this, SLOT( gotPreview( const KFileItem *, const QPixmap & ) ) ); + connect( m_previewJob, SIGNAL( result( KIO::Job * ) ), + this, SLOT( gotPreviewResult() ) ); + } + + m_timer->disconnect( this ); + connect(m_timer, SIGNAL(timeout()), this, SLOT(showTip())); + m_timer->start( 400, true ); +} + +void KonqFileTip::resizeEvent( QResizeEvent* event ) +{ + QFrame::resizeEvent(event); + reposition(); +} + +bool KonqFileTip::eventFilter( QObject *, QEvent *e ) +{ + switch ( e->type() ) + { + case QEvent::Leave: + case QEvent::MouseButtonPress: + case QEvent::MouseButtonRelease: + case QEvent::KeyPress: + case QEvent::KeyRelease: + case QEvent::FocusIn: + case QEvent::FocusOut: + case QEvent::Wheel: + hideTip(); + default: break; + } + + return false; +} + +#include "konq_filetip.moc" -- cgit v1.2.1