/* This file is part of the KDE libraries Copyright (C) 1999 Torben Weis This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License version 2 as published by the Free Software Foundation. This library 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "config.h" #include #include #include #include #include "kiconview.h" #include "kwordwrap.h" #include #include #include #include #include #include #include #include #include class TDEIconView::TDEIconViewPrivate { public: TDEIconViewPrivate() { mode = TDEIconView::Execute; fm = 0L; doAutoSelect = true; textHeight = 0; dragHoldItem = 0L; } TDEIconView::Mode mode; bool doAutoSelect; TQFontMetrics *fm; TQPixmapCache maskCache; int textHeight; TQIconViewItem *dragHoldItem; TQTimer dragHoldTimer; TQTimer doubleClickIgnoreTimer; }; TDEIconView::TDEIconView( TQWidget *parent, const char *name, WFlags f ) : TQIconView( parent, name, f ) { d = new TDEIconViewPrivate; connect( this, TQT_SIGNAL( onViewport() ), this, TQT_SLOT( slotOnViewport() ) ); connect( this, TQT_SIGNAL( onItem( TQIconViewItem * ) ), this, TQT_SLOT( slotOnItem( TQIconViewItem * ) ) ); slotSettingsChanged( TDEApplication::SETTINGS_MOUSE ); if ( kapp ) { // maybe null when used inside designer connect( kapp, TQT_SIGNAL( settingsChanged(int) ), TQT_SLOT( slotSettingsChanged(int) ) ); kapp->addKipcEventMask( KIPC::SettingsChanged ); } m_pCurrentItem = 0L; m_pAutoSelect = new TQTimer( this ); connect( m_pAutoSelect, TQT_SIGNAL( timeout() ), this, TQT_SLOT( slotAutoSelect() ) ); connect( &d->dragHoldTimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(slotDragHoldTimeout()) ); } TDEIconView::~TDEIconView() { delete d->fm; delete d; } void TDEIconView::setMode( TDEIconView::Mode mode ) { d->mode = mode; } TDEIconView::Mode TDEIconView::mode() const { return d->mode; } void TDEIconView::slotOnItem( TQIconViewItem *item ) { if ( item ) { if ( m_bUseSingle ) { if ( m_bChangeCursorOverItem ) viewport()->setCursor( KCursor().handCursor() ); if ( (m_autoSelectDelay > -1) ) { m_pAutoSelect->start( m_autoSelectDelay, true ); } } m_pCurrentItem = item; } } void TDEIconView::slotOnViewport() { if ( m_bUseSingle && m_bChangeCursorOverItem ) viewport()->unsetCursor(); m_pAutoSelect->stop(); m_pCurrentItem = 0L; } void TDEIconView::slotSettingsChanged(int category) { if ( category != TDEApplication::SETTINGS_MOUSE ) return; m_bUseSingle = TDEGlobalSettings::singleClick(); //kdDebug() << "TDEIconView::slotSettingsChanged for mouse, usesingle=" << m_bUseSingle << endl; disconnect( this, TQT_SIGNAL( mouseButtonClicked( int, TQIconViewItem *, const TQPoint & ) ), this, TQT_SLOT( slotMouseButtonClicked( int, TQIconViewItem *, const TQPoint & ) ) ); // disconnect( this, TQT_SIGNAL( doubleClicked( TQIconViewItem *, // const TQPoint & ) ), // this, TQT_SLOT( slotExecute( TQIconViewItem *, // const TQPoint & ) ) ); if( m_bUseSingle ) { connect( this, TQT_SIGNAL( mouseButtonClicked( int, TQIconViewItem *, const TQPoint & ) ), this, TQT_SLOT( slotMouseButtonClicked( int, TQIconViewItem *, const TQPoint & ) ) ); } else { // connect( this, TQT_SIGNAL( doubleClicked( TQIconViewItem *, // const TQPoint & ) ), // this, TQT_SLOT( slotExecute( TQIconViewItem *, // const TQPoint & ) ) ); } m_bChangeCursorOverItem = TDEGlobalSettings::changeCursorOverIcon(); m_autoSelectDelay = m_bUseSingle ? TDEGlobalSettings::autoSelectDelay() : -1; if( !m_bUseSingle || !m_bChangeCursorOverItem ) viewport()->unsetCursor(); } void TDEIconView::slotAutoSelect() { // check that the item still exists if( index( m_pCurrentItem ) == -1 || !d->doAutoSelect ) return; //Give this widget the keyboard focus. if( !hasFocus() ) setFocus(); ButtonState keybstate = TDEApplication::keyboardMouseState(); TQIconViewItem* previousItem = currentItem(); setCurrentItem( m_pCurrentItem ); if( m_pCurrentItem ) { //Shift pressed? if( (keybstate & ShiftButton) ) { //Temporary implementation of the selection until TQIconView supports it bool block = signalsBlocked(); blockSignals( true ); //No Ctrl? Then clear before! if( !(keybstate & ControlButton) ) clearSelection(); bool select = !m_pCurrentItem->isSelected(); bool update = viewport()->isUpdatesEnabled(); viewport()->setUpdatesEnabled( false ); //Calculate the smallest rectangle that contains the current Item //and the one that got the autoselect event TQRect r; TQRect redraw; if ( previousItem ) r = TQRect( TQMIN( previousItem->x(), m_pCurrentItem->x() ), TQMIN( previousItem->y(), m_pCurrentItem->y() ), 0, 0 ); else r = TQRect( 0, 0, 0, 0 ); if ( previousItem->x() < m_pCurrentItem->x() ) r.setWidth( m_pCurrentItem->x() - previousItem->x() + m_pCurrentItem->width() ); else r.setWidth( previousItem->x() - m_pCurrentItem->x() + previousItem->width() ); if ( previousItem->y() < m_pCurrentItem->y() ) r.setHeight( m_pCurrentItem->y() - previousItem->y() + m_pCurrentItem->height() ); else r.setHeight( previousItem->y() - m_pCurrentItem->y() + previousItem->height() ); r = r.normalize(); //Check for each item whether it is within the rectangle. //If yes, select it for( TQIconViewItem* i = firstItem(); i; i = i->nextItem() ) { if( i->intersects( r ) ) { redraw = redraw.unite( i->rect() ); setSelected( i, select, true ); } } blockSignals( block ); viewport()->setUpdatesEnabled( update ); repaintContents( redraw, false ); emit selectionChanged(); if( selectionMode() == TQIconView::Single ) emit selectionChanged( m_pCurrentItem ); //setSelected( m_pCurrentItem, true, (keybstate & ControlButton), (keybstate & ShiftButton) ); } else if( (keybstate & ControlButton) ) setSelected( m_pCurrentItem, !m_pCurrentItem->isSelected(), true ); else setSelected( m_pCurrentItem, true ); } else kdDebug() << "TDEIconView: That's not supposed to happen!!!!" << endl; } void TDEIconView::emitExecute( TQIconViewItem *item, const TQPoint &pos ) { if ( d->mode != Execute ) { // kdDebug() << "TDEIconView::emitExecute : not in execute mode !" << endl; return; } ButtonState keybstate = TDEApplication::keyboardMouseState(); m_pAutoSelect->stop(); //Don't emit executed if in SC mode and Shift or Ctrl are pressed if( !( m_bUseSingle && ((keybstate & ShiftButton) || (keybstate & ControlButton)) ) ) { setSelected( item, false ); viewport()->unsetCursor(); emit executed( item ); emit executed( item, pos ); } } void TDEIconView::updateDragHoldItem( TQDropEvent *e ) { TQIconViewItem *item = findItem( e->pos() ); if ( d->dragHoldItem != item) { d->dragHoldItem = item; if( item ) { d->dragHoldTimer.start( 1000, true ); } else { d->dragHoldTimer.stop(); } } } void TDEIconView::focusOutEvent( TQFocusEvent *fe ) { m_pAutoSelect->stop(); TQIconView::focusOutEvent( fe ); } void TDEIconView::leaveEvent( TQEvent *e ) { m_pAutoSelect->stop(); TQIconView::leaveEvent( e ); } void TDEIconView::contentsMousePressEvent( TQMouseEvent *e ) { if( (selectionMode() == Extended) && (e->state() & ShiftButton) && !(e->state() & ControlButton) ) { bool block = signalsBlocked(); blockSignals( true ); clearSelection(); blockSignals( block ); } TQIconView::contentsMousePressEvent( e ); d->doAutoSelect = false; } void TDEIconView::contentsMouseDoubleClickEvent ( TQMouseEvent * e ) { TQIconView::contentsMouseDoubleClickEvent( e ); TQIconViewItem* item = findItem( e->pos() ); if( item ) { if( (e->button() == Qt::LeftButton) && !m_bUseSingle ) emitExecute( item, e->globalPos() ); emit doubleClicked( item, e->globalPos() ); } d->doubleClickIgnoreTimer.start(0, true); } void TDEIconView::slotMouseButtonClicked( int btn, TQIconViewItem *item, const TQPoint &pos ) { //kdDebug() << " TDEIconView::slotMouseButtonClicked() item=" << item << endl; if( d->doubleClickIgnoreTimer.isActive() ) return; // Ignore double click if( (btn == Qt::LeftButton) && item ) emitExecute( item, pos ); } void TDEIconView::contentsMouseReleaseEvent( TQMouseEvent *e ) { d->doAutoSelect = true; TQIconView::contentsMouseReleaseEvent( e ); } void TDEIconView::contentsDragEnterEvent( TQDragEnterEvent *e ) { updateDragHoldItem( e ); TQIconView::contentsDragEnterEvent( e ); } void TDEIconView::contentsDragLeaveEvent( TQDragLeaveEvent *e ) { d->dragHoldTimer.stop(); d->dragHoldItem = 0L; TQIconView::contentsDragLeaveEvent( e ); } void TDEIconView::contentsDragMoveEvent( TQDragMoveEvent *e ) { updateDragHoldItem( e ); TQIconView::contentsDragMoveEvent( e ); } void TDEIconView::contentsDropEvent( TQDropEvent* e ) { d->dragHoldTimer.stop(); TQIconView::contentsDropEvent( e ); } void TDEIconView::slotDragHoldTimeout() { TQIconViewItem *tmp = d->dragHoldItem; d->dragHoldItem = 0L; emit held( tmp ); } void TDEIconView::takeItem( TQIconViewItem * item ) { if ( item == d->dragHoldItem ) { d->dragHoldTimer.stop(); d->dragHoldItem = 0L; } TQIconView::takeItem( item ); } void TDEIconView::cancelPendingHeldSignal() { d->dragHoldTimer.stop(); d->dragHoldItem = 0L; } void TDEIconView::wheelEvent( TQWheelEvent *e ) { if (horizontalScrollBar() && (arrangement() == TQIconView::TopToBottom)) { TQWheelEvent ce(e->pos(), e->delta(), e->state(), Qt::Horizontal); TQApplication::sendEvent( horizontalScrollBar(), &ce); if (ce.isAccepted()) { e->accept(); return; } } TQIconView::wheelEvent(e); } void TDEIconView::setFont( const TQFont &font ) { delete d->fm; d->fm = 0L; TQIconView::setFont( font ); } TQFontMetrics *TDEIconView::itemFontMetrics() const { if (!d->fm) { // TQIconView creates one too, but we can't access it d->fm = new TQFontMetrics( font() ); } return d->fm; } TQPixmap TDEIconView::selectedIconPixmap( TQPixmap *pix, const TQColor &col ) const { TQPixmap m; if ( d->maskCache.find( TQString::number( pix->serialNumber() ), m ) ) return m; m = KPixmapEffect::selectedPixmap( KPixmap(*pix), col ); d->maskCache.insert( TQString::number( pix->serialNumber() ), m ); return m; } int TDEIconView::iconTextHeight() const { return d->textHeight > 0 ? d->textHeight : ( wordWrapIconText() ? 99 : 1 ); } void TDEIconView::setIconTextHeight( int n ) { int oldHeight = iconTextHeight(); if ( n > 1 ) d->textHeight = n; else d->textHeight = 1; // so that Qt still shows the tooltip when even a wrapped text is too long setWordWrapIconText( false ); // update view if needed if ( iconTextHeight() != oldHeight ) setFont( font() ); // hack to recalc items } ///////////// class TDEIconViewItem::TDEIconViewItemPrivate { public: TDEIconViewItemPrivate() { m_pixmapSize = TQSize(0,0); } public: TQSize m_pixmapSize; int realTextHeight; }; void TDEIconViewItem::init() { m_wordWrap = 0L; d = 0L; calcRect(); } TDEIconViewItem::~TDEIconViewItem() { delete m_wordWrap; if (d) { delete d; } } void TDEIconViewItem::calcRect( const TQString& text_ ) { if ( !d ) { d = new TDEIconViewItemPrivate; } d->realTextHeight = -1; bool drawRoundedRect = TDEGlobalSettings::iconUseRoundedRect(); Q_ASSERT( iconView() ); if ( !iconView() ) return; delete m_wordWrap; m_wordWrap = 0L; #ifndef NDEBUG // be faster for the end-user, such a bug will have been fixed before hand :) if ( !iconView()->inherits("TDEIconView") ) { kdWarning() << "TDEIconViewItem used in a " << iconView()->className() << " !!" << endl; return; } #endif //kdDebug() << "TDEIconViewItem::calcRect - " << text() << endl; TDEIconView *view = static_cast(iconView()); TQRect itemIconRect = pixmapRect(); TQRect itemTextRect = textRect(); TQRect itemRect = rect(); int pw = 0; int ph = 0; #ifndef TQT_NO_PICTURE if ( picture() ) { TQRect br = picture()->boundingRect(); pw = br.width() + 2; ph = br.height() + 2; } else #endif { // Qt uses unknown_icon if no pixmap. Let's see if we need that - I doubt it if (!pixmap()) return; pw = pixmap()->width() + 2; ph = pixmap()->height() + 2; } itemIconRect.setWidth( pw ); #if 1 // FIXME // There is a bug in Qt which prevents the item from being placed // properly when the pixmapRect is not at the top of the itemRect, so we // have to increase the height of the pixmapRect and leave it at the top // of the itemRect... if ( d && !d->m_pixmapSize.isNull() ) { itemIconRect.setHeight( d->m_pixmapSize.height() + 2 ); } else #endif itemIconRect.setHeight( ph ); int tw = 0; if ( d && !d->m_pixmapSize.isNull() ) { tw = view->maxItemWidth() - ( view->itemTextPos() == TQIconView::Bottom ? 0 : d->m_pixmapSize.width() + 2 ); } else { tw = view->maxItemWidth() - ( view->itemTextPos() == TQIconView::Bottom ? 0 : itemIconRect.width() ); } TQFontMetrics *fm = view->itemFontMetrics(); TQString t; TQRect r; // When is text_ set ? Doesn't look like it's ever set. t = text_.isEmpty() ? text() : text_; // Max text height int nbLines = static_cast( iconView() )->iconTextHeight(); int height = nbLines > 0 ? fm->height() * nbLines : 0xFFFFFFFF; // Should not be higher than pixmap if text is alongside icons if ( view->itemTextPos() != TQIconView::Bottom ) { if ( d && !d->m_pixmapSize.isNull() ) height = TQMIN( d->m_pixmapSize.height() + 2, height ); else height = TQMIN( itemIconRect.height(), height ); height = TQMAX( height, fm->height() ); } // Calculate the word-wrap TQRect outerRect( 0, 0, tw - 6, height ); m_wordWrap = KWordWrap::formatText( *fm, outerRect, 0, t ); r = m_wordWrap->boundingRect(); int realWidth = TQMAX( TQMIN( r.width() + 4, tw ), fm->width( "X" ) ); if (drawRoundedRect == true) { itemTextRect.setWidth( realWidth + 2); } else { itemTextRect.setWidth( realWidth ); } itemTextRect.setHeight( r.height() ); int w = 0; int h = 0; int y = 0; if ( view->itemTextPos() == TQIconView::Bottom ) { // If the pixmap size has been specified, use it if ( d && !d->m_pixmapSize.isNull() ) { w = TQMAX( itemTextRect.width(), d->m_pixmapSize.width() + 2 ); h = itemTextRect.height() + d->m_pixmapSize.height() + 2 + 1; #if 0 // FIXME // Waiting for the qt bug to be solved, the pixmapRect must // stay on the top... y = d->m_pixmapSize.height() + 2 - itemIconRect.height(); #endif } else { w = TQMAX( itemTextRect.width(), itemIconRect.width() ); h = itemTextRect.height() + itemIconRect.height() + 1; } itemRect.setWidth( w ); itemRect.setHeight( h ); int width = TQMAX( w, TQApplication::globalStrut().width() ); // see TQIconViewItem::width() int height = TQMAX( h, TQApplication::globalStrut().height() ); // see TQIconViewItem::height() itemTextRect = TQRect( ( width - itemTextRect.width() ) / 2, height - itemTextRect.height(), itemTextRect.width(), itemTextRect.height() ); itemIconRect = TQRect( ( width - itemIconRect.width() ) / 2, y, itemIconRect.width(), itemIconRect.height() ); } else { // If the pixmap size has been specified, use it if ( d && !d->m_pixmapSize.isNull() ) { h = TQMAX( itemTextRect.height(), d->m_pixmapSize.height() + 2 ); #if 0 // FIXME // Waiting for the qt bug to be solved, the pixmapRect must // stay on the top... y = ( d->m_pixmapSize.height() + 2 - itemIconRect.height() ) / 2; #endif } else { h = TQMAX( itemTextRect.height(), itemIconRect.height() ); } w = itemTextRect.width() + itemIconRect.width() + 1; itemRect.setWidth( w ); itemRect.setHeight( h ); int width = TQMAX( w, TQApplication::globalStrut().width() ); // see TQIconViewItem::width() int height = TQMAX( h, TQApplication::globalStrut().height() ); // see TQIconViewItem::height() itemTextRect = TQRect( width - itemTextRect.width(), ( height - itemTextRect.height() ) / 2, itemTextRect.width(), itemTextRect.height() ); if ( itemIconRect.height() > itemTextRect.height() ) { // icon bigger than text -> center vertically itemIconRect = TQRect( 0, ( height - itemIconRect.height() ) / 2, itemIconRect.width(), itemIconRect.height() ); } else { // icon smaller than text -> place in top or center with first line itemIconRect = TQRect( 0, TQMAX(( fm->height() - itemIconRect.height() ) / 2 + y, 0), itemIconRect.width(), itemIconRect.height() ); } if ( ( itemIconRect.height() <= 20 ) && ( itemTextRect.height() < itemIconRect.height() ) ) { d->realTextHeight = itemTextRect.height(); itemTextRect.setY( itemIconRect.y() ); itemTextRect.setHeight( itemIconRect.height() - 2 ); } } if ( itemIconRect != pixmapRect() ) { setPixmapRect( itemIconRect ); } if ( itemTextRect != textRect() ) { setTextRect( itemTextRect ); } if ( itemRect != rect() ) { setItemRect( itemRect ); } // Done by setPixmapRect, setTextRect and setItemRect ! [and useless if no rect changed] //view->updateItemContainer( this ); } void TDEIconViewItem::paintItem( TQPainter *p, const TQColorGroup &cg ) { TQIconView* view = iconView(); Q_ASSERT( view ); if ( !view ) return; #ifndef NDEBUG // be faster for the end-user, such a bug will have been fixed before hand :) if ( !view->inherits("TDEIconView") ) { kdWarning() << "TDEIconViewItem used in a " << view->className() << " !!" << endl; return; } #endif p->save(); paintPixmap(p, cg); paintText(p, cg); p->restore(); } KWordWrap * TDEIconViewItem::wordWrap() { return m_wordWrap; } void TDEIconViewItem::paintPixmap( TQPainter *p, const TQColorGroup &cg ) { TDEIconView *kview = static_cast(iconView()); #ifndef TQT_NO_PICTURE if ( picture() ) { TQPicture *pic = picture(); if ( isSelected() ) { // TODO something as nice as selectedIconPixmap if possible ;) p->fillRect( pixmapRect( false ), TQBrush( cg.highlight(), TQBrush::Dense4Pattern) ); } p->drawPicture( x()-pic->boundingRect().x(), y()-pic->boundingRect().y(), *pic ); } else #endif { int iconX = pixmapRect( false ).x(); int iconY = pixmapRect( false ).y(); TQPixmap *pix = pixmap(); if ( !pix || pix->isNull() ) return; #if 1 // FIXME // Move the pixmap manually because the pixmapRect is at the // top of the itemRect // (won't be needed anymore in future versions of qt) if ( d && !d->m_pixmapSize.isNull() ) { int offset = 0; if ( kview->itemTextPos() == TQIconView::Bottom ) offset = d->m_pixmapSize.height() - pix->height(); else offset = ( d->m_pixmapSize.height() - pix->height() ) / 2; if ( offset > 0 ) iconY += offset; } #endif if ( isSelected() ) { TQPixmap selectedPix = kview->selectedIconPixmap( pix, cg.highlight() ); p->drawPixmap( iconX, iconY, selectedPix ); } else { p->drawPixmap( iconX, iconY, *pix ); } } } void TDEIconViewItem::paintText( TQPainter *p, const TQColorGroup &cg ) { bool drawRoundedRect = TDEGlobalSettings::iconUseRoundedRect(); int textX; if (drawRoundedRect == true) { textX = textRect( false ).x() + 4; } else { textX = textRect( false ).x() + 2; } int textY; if ( d && (d->realTextHeight != -1) ) { textY = textRect( false ).y() + ((rect().height() - d->realTextHeight) / 2); } else { textY = textRect( false ).y(); } if ( isSelected() ) { if (drawRoundedRect == true) { p->setBrush(TQBrush(cg.highlight())); p->setPen(TQPen(cg.highlight())); p->drawRoundRect( textRect( false ) ,1000/textRect(false).width(),1000/textRect(false).height() ); } else { p->fillRect( textRect( false ), cg.highlight() ); } p->setPen( TQPen( cg.highlightedText() ) ); } else { if ( iconView()->itemTextBackground() != Qt::NoBrush ) { p->fillRect( textRect( false ), iconView()->itemTextBackground() ); } p->setPen( cg.text() ); } int align = iconView()->itemTextPos() == TQIconView::Bottom ? AlignHCenter : AlignAuto; m_wordWrap->drawText( p, textX, textY, align | KWordWrap::Truncate ); } TQSize TDEIconViewItem::pixmapSize() const { return d ? d->m_pixmapSize : TQSize( 0, 0 ); } void TDEIconViewItem::setPixmapSize( const TQSize& size ) { if ( !d ) { d = new TDEIconViewItemPrivate; } d->m_pixmapSize = size; } void TDEIconView::virtual_hook( int, void* ) { /*BASE::virtual_hook( id, data );*/ } #include "kiconview.moc"