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+/* This file is part of the KDE projects
+ Copyright (C) 1998, 1999 Torben Weis <[email protected]>
+ Copyright (C) 2000, 2001, 2002 David Faure <[email protected]>
+ Copyright (C) 2004 Martin Koller <[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 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 <konq_filetip.h>
+
+#include <kfileitem.h>
+#include <kglobalsettings.h>
+#include <kstandarddirs.h>
+#include <kapplication.h>
+
+#include <qlabel.h>
+#include <qtooltip.h>
+#include <qlayout.h>
+#include <qpainter.h>
+#include <qscrollview.h>
+#include <qtimer.h>
+
+#include <fixx11h.h>
+//--------------------------------------------------------------------------------
+
+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"
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-12 14:45:04 +0000