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301 lines
7.7 KiB
301 lines
7.7 KiB
/* This file is part of the KDE projects
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Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
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Copyright (C) 2000, 2001, 2002 David Faure <david@mandrakesoft.com>
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Copyright (C) 2004 Martin Koller <m.koller@surfeu.at>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <konq_filetip.h>
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#include <kfileitem.h>
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#include <kglobalsettings.h>
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#include <kstandarddirs.h>
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#include <kapplication.h>
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#include <tqlabel.h>
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#include <tqtooltip.h>
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#include <tqlayout.h>
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#include <tqpainter.h>
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#include <tqscrollview.h>
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#include <tqtimer.h>
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#include <fixx11h.h>
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//--------------------------------------------------------------------------------
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KonqFileTip::KonqFileTip( TQScrollView* parent )
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: TQFrame( 0, 0, (WFlags)(WStyle_Customize | WStyle_NoBorder | WStyle_Tool | WStyle_StaysOnTop | WX11BypassWM) ),
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m_on( false ),
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m_preview( false ),
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m_filter( false ),
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m_corner( 0 ),
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m_num( 0 ),
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m_view( parent ),
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m_item( 0 ),
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m_previewJob( 0 )
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{
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m_iconLabel = new TQLabel(this);
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m_textLabel = new TQLabel(this);
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m_textLabel->setAlignment(TQt::AlignAuto | TQt::AlignTop);
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TQGridLayout* layout = new TQGridLayout(this, 1, 2, 8, 0);
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layout->addWidget(m_iconLabel, 0, 0);
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layout->addWidget(m_textLabel, 0, 1);
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layout->setResizeMode(TQLayout::Fixed);
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setPalette( TQToolTip::palette() );
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setMargin( 1 );
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setFrameStyle( TQFrame::Plain | TQFrame::Box );
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m_timer = new TQTimer(this);
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hide();
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}
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KonqFileTip::~KonqFileTip()
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{
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if ( m_previewJob ) {
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m_previewJob->kill();
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m_previewJob = 0;
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}
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}
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void KonqFileTip::setPreview(bool on)
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{
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m_preview = on;
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if(on)
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m_iconLabel->show();
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else
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m_iconLabel->hide();
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}
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void KonqFileTip::setOptions( bool on, bool preview, int num )
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{
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setPreview(preview);
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m_on = on;
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m_num = num;
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}
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void KonqFileTip::setItem( KFileItem *item, const TQRect &rect, const TQPixmap *pixmap )
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{
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hideTip();
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if (!m_on) return;
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if ( m_previewJob ) {
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m_previewJob->kill();
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m_previewJob = 0;
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}
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m_rect = rect;
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m_item = item;
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if ( m_item ) {
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if (m_preview) {
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if ( pixmap )
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m_iconLabel->setPixmap( *pixmap );
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else
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m_iconLabel->setPixmap( TQPixmap() );
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}
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// Don't start immediately, because the user could move the mouse over another item
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// This avoids a quick sequence of started preview-jobs
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m_timer->disconnect( this );
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connect(m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(startDelayed()));
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m_timer->start( 300, true );
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}
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}
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void KonqFileTip::reposition()
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{
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if ( m_rect.isEmpty() || !m_view || !m_view->viewport() ) return;
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TQRect rect = m_rect;
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TQPoint off = m_view->viewport()->mapToGlobal( m_view->contentsToViewport( rect.topRight() ) );
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rect.moveTopRight( off );
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TQPoint pos = rect.center();
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// m_corner:
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// 0: upperleft
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// 1: upperright
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// 2: lowerleft
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// 3: lowerright
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// 4+: none
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m_corner = 0;
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// should the tooltip be shown to the left or to the right of the ivi ?
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TQRect desk = KGlobalSettings::desktopGeometry(rect.center());
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if (rect.center().x() + width() > desk.right())
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{
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// to the left
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if (pos.x() - width() < 0) {
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pos.setX(0);
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m_corner = 4;
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} else {
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pos.setX( pos.x() - width() );
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m_corner = 1;
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}
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}
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// should the tooltip be shown above or below the ivi ?
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if (rect.bottom() + height() > desk.bottom())
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{
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// above
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pos.setY( rect.top() - height() );
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m_corner += 2;
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}
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else pos.setY( rect.bottom() + 1 );
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move( pos );
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update();
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}
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void KonqFileTip::gotPreview( const KFileItem* item, const TQPixmap& pixmap )
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{
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m_previewJob = 0;
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if (item != m_item) return;
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m_iconLabel -> setPixmap(pixmap);
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}
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void KonqFileTip::gotPreviewResult()
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{
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m_previewJob = 0;
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}
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void KonqFileTip::drawContents( TQPainter *p )
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{
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static const char * const names[] = {
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"arrow_topleft",
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"arrow_topright",
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"arrow_bottomleft",
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"arrow_bottomright"
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};
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if (m_corner >= 4) { // 4 is empty, so don't draw anything
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TQFrame::drawContents( p );
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return;
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}
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if ( m_corners[m_corner].isNull())
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m_corners[m_corner].load( locate( "data", TQString::fromLatin1( "konqueror/pics/%1.png" ).arg( names[m_corner] ) ) );
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TQPixmap &pix = m_corners[m_corner];
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switch ( m_corner )
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{
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case 0:
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p->drawPixmap( 3, 3, pix );
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break;
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case 1:
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p->drawPixmap( width() - pix.width() - 3, 3, pix );
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break;
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case 2:
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p->drawPixmap( 3, height() - pix.height() - 3, pix );
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break;
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case 3:
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p->drawPixmap( width() - pix.width() - 3, height() - pix.height() - 3, pix );
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break;
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}
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TQFrame::drawContents( p );
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}
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void KonqFileTip::setFilter( bool enable )
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{
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if ( enable == m_filter ) return;
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if ( enable ) {
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kapp->installEventFilter( this );
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TQApplication::setGlobalMouseTracking( true );
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}
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else {
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TQApplication::setGlobalMouseTracking( false );
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kapp->removeEventFilter( this );
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}
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m_filter = enable;
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}
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void KonqFileTip::showTip()
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{
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TQString text = m_item->getToolTipText(m_num);
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if ( text.isEmpty() ) return;
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m_timer->disconnect( this );
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connect(m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(hideTip()));
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m_timer->start( 15000, true );
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m_textLabel->setText( text );
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setFilter( true );
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reposition();
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show();
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}
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void KonqFileTip::hideTip()
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{
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m_timer->stop();
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setFilter( false );
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if ( isShown() && m_view && m_view->viewport() &&
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(m_view->horizontalScrollBar()->isShown() || m_view->verticalScrollBar()->isShown()) )
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m_view->viewport()->update();
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hide();
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}
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void KonqFileTip::startDelayed()
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{
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if ( m_preview ) {
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KFileItemList oneItem;
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oneItem.append( m_item );
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m_previewJob = KIO::filePreview( oneItem, 256, 256, 64, 70, true, true, 0);
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connect( m_previewJob, TQT_SIGNAL( gotPreview( const KFileItem *, const TQPixmap & ) ),
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this, TQT_SLOT( gotPreview( const KFileItem *, const TQPixmap & ) ) );
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connect( m_previewJob, TQT_SIGNAL( result( KIO::Job * ) ),
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this, TQT_SLOT( gotPreviewResult() ) );
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}
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m_timer->disconnect( this );
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connect(m_timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(showTip()));
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m_timer->start( 400, true );
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}
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void KonqFileTip::resizeEvent( TQResizeEvent* event )
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{
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TQFrame::resizeEvent(event);
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reposition();
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}
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bool KonqFileTip::eventFilter( TQObject *, TQEvent *e )
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{
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switch ( e->type() )
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{
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case TQEvent::Leave:
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case TQEvent::MouseButtonPress:
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case TQEvent::MouseButtonRelease:
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case TQEvent::KeyPress:
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case TQEvent::KeyRelease:
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case TQEvent::FocusIn:
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case TQEvent::FocusOut:
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case TQEvent::Wheel:
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hideTip();
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default: break;
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}
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return false;
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}
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#include "konq_filetip.moc"
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