From 460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 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/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kaddressbook/views/cardview.cpp | 1563 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 1563 insertions(+) create mode 100644 kaddressbook/views/cardview.cpp (limited to 'kaddressbook/views/cardview.cpp') diff --git a/kaddressbook/views/cardview.cpp b/kaddressbook/views/cardview.cpp new file mode 100644 index 000000000..82e987794 --- /dev/null +++ b/kaddressbook/views/cardview.cpp @@ -0,0 +1,1563 @@ +/* + This file is part of KAddressBook. + Copyright (c) 2002 Mike Pilone + + 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; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + + As a special exception, permission is given to link this program + with any edition of Qt, and distribute the resulting executable, + without including the source code for Qt in the source distribution. +*/ + + +#include + +#include +#include +#include +#include +#include +#include +#include + +#include +#include + +#include "cardview.h" + +#define MIN_ITEM_WIDTH 80 + +class CardViewTip : public QLabel +{ + public: + CardViewTip( QWidget *parent = 0, const char *name = 0 ) + : QLabel( parent, name ) + { + setPalette( QToolTip::palette() ); + setFrameStyle( Panel | Plain ); + setMidLineWidth( 0 ); + setIndent( 1 ); + } + + ~CardViewTip() {}; + + protected: + void leaveEvent( QEvent* ) + { + hide(); + } +}; + +// +// Warning: make sure you use findRef() instead of find() to find an +// item! Only the pointer value is unique in the list. +// +class CardViewItemList : public QPtrList +{ + protected: + virtual int compareItems( QPtrCollection::Item item1, + QPtrCollection::Item item2 ) + { + CardViewItem *cItem1 = (CardViewItem*)item1; + CardViewItem *cItem2 = (CardViewItem*)item2; + + if ( cItem1 == cItem2 ) + return 0; + + if ( (cItem1 == 0) || (cItem2 == 0) ) + return cItem1 ? -1 : 1; + + if ( cItem1->caption() < cItem2->caption() ) + return -1; + else if ( cItem1->caption() > cItem2->caption() ) + return 1; + + return 0; + } +}; + +class CardViewSeparator +{ + friend class CardView; + + public: + CardViewSeparator( CardView *view ) + : mView( view ) + { + mRect = QRect( 0, 0, view->separatorWidth(), 0 ); + } + + ~CardViewSeparator() {} + + void paintSeparator( QPainter *p, QColorGroup &cg ) + { + p->fillRect( 0, 0, mRect.width(), mRect.height(), + cg.brush(QColorGroup::Button) ); + } + + void repaintSeparator() + { + mView->repaintContents( mRect ); + } + + private: + CardView *mView; + QRect mRect; +}; + +class CardViewPrivate +{ + public: + CardViewPrivate() + : mSelectionMode( CardView::Multi ), + mDrawCardBorder( true ), + mDrawFieldLabels( true ), + mDrawSeparators( true), + mSepWidth( 2 ), + mShowEmptyFields( false ), + mLayoutDirty( true ), + mLastClickOnItem( false ), + mItemMargin( 0 ), + mItemSpacing( 10 ), + mItemWidth( 200 ), + mMaxFieldLines( INT_MAX ), + mCurrentItem( 0L ), + mLastClickPos( QPoint(0, 0) ), + mRubberBandAnchor( 0 ), + mCompText( QString::null ) + {}; + + CardViewItemList mItemList; + QPtrList mSeparatorList; + QFontMetrics *mFm; + QFontMetrics *mBFm; + QFont mHeaderFont; + CardView::SelectionMode mSelectionMode; + bool mDrawCardBorder; + bool mDrawFieldLabels; + bool mDrawSeparators; + int mSepWidth; + bool mShowEmptyFields; + bool mLayoutDirty; + bool mLastClickOnItem; + uint mItemMargin; // internal margin in items + uint mItemSpacing; // spacing between items, column seperators and border + int mItemWidth; // width of all items + uint mMaxFieldLines; // Max lines to dispaly pr field + CardViewItem *mCurrentItem; + QPoint mLastClickPos; + QTimer *mTimer; // times out if mouse rests for more than 500 msecs + CardViewTip *mTip; // passed to the item under a resting cursor to display full text + bool mOnSeparator; // set/reset on mouse movement + // for resizing by dragging the separators + int mResizeAnchor; // uint, ulong? the mouse down separator left + int mRubberBandAnchor; // for erasing rubber bands + // data used for resizing. + // as they are beeded by each mouse move while resizing, we store them here, + // saving 8 calculations in each mouse move. + int mColspace; // amount of space between items pr column + uint mFirst; // the first col to anchor at for painting rubber bands + int mFirstX; // X position of first in pixel + int mPressed; // the colummn that was pressed on at resizing start + int mSpan; // pressed - first + // key completion + QString mCompText; // current completion string + QDateTime mCompUpdated; // ...was updated at this time +}; + +class CardViewItemPrivate +{ + public: + CardViewItemPrivate() {} + + QString mCaption; + QPtrList< CardViewItem::Field > mFieldList; + bool mSelected; + int x; // horizontal position, set by the view + int y; // vertical position, set by the view + int maxLabelWidth; // the width of the widest label, according to the view font. + int hcache; // height cache +}; + + +CardViewItem::CardViewItem( CardView *parent, const QString &caption ) + : d( new CardViewItemPrivate() ), mView( parent ) +{ + d->mCaption = caption; + + initialize(); +} + +CardViewItem::~CardViewItem() +{ + // Remove ourself from the view + if ( mView != 0 ) + mView->takeItem( this ); + + delete d; + d = 0; +} + +void CardViewItem::initialize() +{ + d->mSelected = false; + d->mFieldList.setAutoDelete( true ); + d->maxLabelWidth = 0; + d->hcache = 0; + + // Add ourself to the view + if ( mView != 0 ) + mView->insertItem( this ); +} + +void CardViewItem::paintCard( QPainter *p, QColorGroup &cg ) +{ + if ( !mView ) + return; + + QPen pen; + QBrush brush; + QFontMetrics fm = *(mView->d->mFm); + QFontMetrics bFm = *(mView->d->mBFm); + bool drawLabels = mView->d->mDrawFieldLabels; + bool drawBorder = mView->d->mDrawCardBorder; + int mg = mView->itemMargin(); + int w = mView->itemWidth() - ( mg * 2 ); + int h = height() - ( mg * 2 ); + const int colonWidth( fm.width( ":" ) ); + int labelXPos = 2 + mg; + int labelWidth = QMIN( w / 2 - 4 - mg, d->maxLabelWidth + colonWidth + 4 ); + int valueXPos = labelWidth + 4 + mg; + int valueWidth = w - labelWidth - 4 - mg; + + p->setFont( mView->font() ); + labelWidth -= colonWidth; // extra space for the colon + + if ( !drawLabels ) { + valueXPos = labelXPos; + valueWidth = w - 4; + } + + // Draw a simple box + if ( isSelected() ) + pen = QPen( cg.highlight(), 1 ); + else + pen = QPen( cg.button(), 1 ); + p->setPen( pen ); + + // Draw the border - this is only draw if the user asks for it. + if ( drawBorder ) + p->drawRect( mg, mg, w, h ); + + // set the proper pen color for the caption box + if ( isSelected() ) + brush = cg.brush( QColorGroup::Highlight ); + else + brush = cg.brush( QColorGroup::Button ); + + p->fillRect( mg, mg, w, 4 + bFm.height(), brush ); + + // Now paint the caption + p->save(); + QFont bFont = mView->headerFont(); + p->setFont( bFont ); + if ( isSelected() ) + p->setPen( cg.highlightedText() ); + else + p->setPen( cg.buttonText() ); + + p->drawText( 2 + mg, 2 + mg + bFm.ascent(), trimString( d->mCaption, w - 4, bFm ) ); + p->restore(); + + // Go through the fields and draw them + QPtrListIterator iter( d->mFieldList ); + QString label, value; + int yPos = mg + 4 + bFm.height() + fm.height(); + p->setPen( cg.text() ); + + int fh = fm.height(); + int cln( 0 ); + QString tmp; + int maxLines = mView->maxFieldLines(); + for ( iter.toFirst(); iter.current(); ++iter ) { + value = (*iter)->second; + if ( value.isEmpty() && ! mView->d->mShowEmptyFields ) + continue; + + if ( drawLabels ) { + label = trimString( (*iter)->first, labelWidth, fm ); + p->drawText( labelXPos, yPos, label + ":" ); + } + + for ( cln = 0; cln <= maxLines; cln++ ) { + tmp = value.section( '\n', cln, cln ); + if ( !tmp.isEmpty() ) + p->drawText( valueXPos, yPos + cln * fh, trimString( tmp, valueWidth, fm ) ); + else + break; + } + + if ( cln == 0 ) + cln = 1; + yPos += cln * fh + 2; + } + + // if we are the current item and the view has focus, draw focus rect + if ( mView->currentItem() == this && mView->hasFocus() ) { + mView->style().drawPrimitive( QStyle::PE_FocusRect, p, + QRect( 0, 0, mView->itemWidth(), h + (2 * mg) ), cg, + QStyle::Style_FocusAtBorder, + QStyleOption( isSelected() ? cg.highlight() : cg.base() ) ); + } +} + +const QString &CardViewItem::caption() const +{ + return d->mCaption; +} + + +int CardViewItem::height( bool allowCache ) const +{ + // use cache + if ( allowCache && d->hcache ) + return d->hcache; + + // Base height: + // 2 for line width + // 2 for top caption pad + // 2 for bottom caption pad + // 2 pad for the end + // + 2 times the advised margin + int baseHeight = 8 + ( 2 * mView->itemMargin() ); + + // size of font for each field + // 2 pad for each field + + bool sef = mView->showEmptyFields(); + int fh = mView->d->mFm->height(); + int fieldHeight = 0; + int lines; + int maxLines( mView->maxFieldLines() ); + QPtrListIterator iter( d->mFieldList ); + for ( iter.toFirst(); iter.current(); ++iter ) { + if ( !sef && (*iter)->second.isEmpty() ) + continue; + lines = QMIN( (*iter)->second.contains( '\n' ) + 1, maxLines ); + fieldHeight += ( lines * fh ) + 2; + } + + // height of caption font (bold) + fieldHeight += mView->d->mBFm->height(); + d->hcache = baseHeight + fieldHeight; + return d->hcache; +} + +bool CardViewItem::isSelected() const +{ + return d->mSelected; +} + +void CardViewItem::setSelected( bool selected ) +{ + d->mSelected = selected; +} + +void CardViewItem::insertField( const QString &label, const QString &value ) +{ + CardViewItem::Field *f = new CardViewItem::Field( label, value ); + d->mFieldList.append( f ); + d->hcache = 0; + + if ( mView ) { + mView->setLayoutDirty( true ); + d->maxLabelWidth = QMAX( mView->d->mFm->width( label ), d->maxLabelWidth ); + } +} + +void CardViewItem::removeField( const QString &label ) +{ + CardViewItem::Field *f; + + QPtrListIterator iter( d->mFieldList ); + for ( iter.toFirst(); iter.current(); ++iter ) { + f = *iter; + if ( f->first == label ) + break; + } + + if (*iter) + d->mFieldList.remove( *iter ); + d->hcache = 0; + + if ( mView ) + mView->setLayoutDirty( true ); +} + +void CardViewItem::clearFields() +{ + d->mFieldList.clear(); + d->hcache = 0; + + if ( mView ) + mView->setLayoutDirty( true ); +} + +QString CardViewItem::trimString( const QString &text, int width, + QFontMetrics &fm ) const +{ + if ( fm.width( text ) <= width ) + return text; + + QString dots = "..."; + int dotWidth = fm.width( dots ); + QString trimmed; + int charNum = 0; + + while ( fm.width( trimmed ) + dotWidth < width ) { + trimmed += text[ charNum ]; + charNum++; + } + + // Now trim the last char, since it put the width over the top + trimmed = trimmed.left( trimmed.length() - 1 ); + trimmed += dots; + + return trimmed; +} + +CardViewItem *CardViewItem::nextItem() const +{ + CardViewItem *item = 0; + + if ( mView ) + item = mView->itemAfter( this ); + + return item; +} + +void CardViewItem::repaintCard() +{ + if ( mView ) + mView->repaintItem( this ); +} + +void CardViewItem::setCaption( const QString &caption ) +{ + d->mCaption = caption; + repaintCard(); +} + +QString CardViewItem::fieldValue( const QString &label ) const +{ + QPtrListIterator iter( d->mFieldList ); + for ( iter.toFirst(); iter.current(); ++iter ) + if ( (*iter)->first == label ) + return (*iter)->second; + + return QString(); +} + + +void CardViewItem::showFullString( const QPoint &itempos, CardViewTip *tip ) +{ + bool trimmed( false ); + QString s; + int mrg = mView->itemMargin(); + int y = mView->d->mBFm->height() + 6 + mrg; + int w = mView->itemWidth() - (2 * mrg); + int lw; + bool drawLabels = mView->drawFieldLabels(); + bool isLabel = drawLabels && itempos.x() < w / 2 ? true : false; + + if ( itempos.y() < y ) { + if ( itempos.y() < 8 + mrg || itempos.y() > y - 4 ) + return; + // this is the caption + s = caption(); + trimmed = mView->d->mBFm->width( s ) > w - 4; + y = 2 + mrg; + lw = 0; + isLabel = true; + } else { + // find the field + Field *f = fieldAt( itempos ); + if ( !f || ( !mView->showEmptyFields() && f->second.isEmpty() ) ) + return; + + // y position: + // header font height + 4px hader margin + 2px leading + item margin + // + actual field index * (fontheight + 2px leading) + int maxLines = mView->maxFieldLines(); + bool se = mView->showEmptyFields(); + int fh = mView->d->mFm->height(); + + Field *_f; + for ( _f = d->mFieldList.first(); _f != f; _f = d->mFieldList.next() ) + if ( se || ! _f->second.isEmpty() ) + y += ( QMIN( _f->second.contains( '\n' ) + 1, maxLines ) * fh ) + 2; + + if ( isLabel && itempos.y() > y + fh ) + return; + + s = isLabel ? f->first : f->second; + + int colonWidth = mView->d->mFm->width(":"); + lw = drawLabels ? QMIN( w / 2 - 4 - mrg, d->maxLabelWidth + colonWidth + 4 ) : 0; + int mw = isLabel ? lw - colonWidth : w - lw - ( mrg * 2 ); + if ( isLabel ) { + trimmed = mView->d->mFm->width( s ) > mw - colonWidth; + } else { + QRect r( mView->d->mFm->boundingRect( 0, 0, INT_MAX, INT_MAX, Qt::AlignTop|Qt::AlignLeft, s ) ); + trimmed = r.width() > mw || r.height() / fh > QMIN( s.contains( '\n' ) + 1, maxLines ); + } + } + + if ( trimmed ) { + tip->setFont( (isLabel && !lw) ? mView->headerFont() : mView->font() ); + tip->setText( s ); + tip->adjustSize(); + // find a proper position + int lx; + lx = isLabel || !drawLabels ? mrg : lw + mrg + 2; + QPoint pnt( mView->contentsToViewport( QPoint( d->x, d->y ) ) ); + pnt += QPoint( lx, y ); + if ( pnt.x() < 0 ) + pnt.setX( 0 ); + if ( pnt.x() + tip->width() > mView->visibleWidth() ) + pnt.setX( mView->visibleWidth() - tip->width() ); + if ( pnt.y() + tip->height() > mView->visibleHeight() ) + pnt.setY( QMAX( 0, mView->visibleHeight() - tip->height() ) ); + // show + tip->move( pnt ); + tip->show(); + } +} + +CardViewItem::Field *CardViewItem::fieldAt( const QPoint & itempos ) const +{ + int ypos = mView->d->mBFm->height() + 7 + mView->d->mItemMargin; + int iy = itempos.y(); + // skip below caption + if ( iy <= ypos ) + return 0; + // try find a field + bool showEmpty = mView->showEmptyFields(); + int fh = mView->d->mFm->height(); + int maxLines = mView->maxFieldLines(); + Field *f; + for ( f = d->mFieldList.first(); f; f = d->mFieldList.next() ) { + if ( showEmpty || !f->second.isEmpty() ) + ypos += (QMIN( f->second.contains( '\n' )+1, maxLines ) * fh) + 2; + if ( iy <= ypos ) + break; + } + + return f ? f : 0; +} + + +CardView::CardView( QWidget *parent, const char *name ) + : QScrollView( parent, name ), + d( new CardViewPrivate() ) +{ + d->mItemList.setAutoDelete( true ); + d->mSeparatorList.setAutoDelete( true ); + + QFont f = font(); + d->mFm = new QFontMetrics( f ); + f.setBold( true ); + d->mHeaderFont = f; + d->mBFm = new QFontMetrics( f ); + d->mTip = new CardViewTip( viewport() ); + d->mTip->hide(); + d->mTimer = new QTimer( this, "mouseTimer" ); + + viewport()->setMouseTracking( true ); + viewport()->setFocusProxy( this ); + viewport()->setFocusPolicy( WheelFocus ); + viewport()->setBackgroundMode( PaletteBase ); + + connect( d->mTimer, SIGNAL( timeout() ), this, SLOT( tryShowFullText() ) ); + + setBackgroundMode( PaletteBackground, PaletteBase ); + + // no reason for a vertical scrollbar + setVScrollBarMode( AlwaysOff ); +} + +CardView::~CardView() +{ + delete d->mFm; + delete d->mBFm; + delete d; + d = 0; +} + +void CardView::insertItem( CardViewItem *item ) +{ + d->mItemList.inSort( item ); + setLayoutDirty( true ); +} + +void CardView::takeItem( CardViewItem *item ) +{ + if ( d->mCurrentItem == item ) + d->mCurrentItem = item->nextItem(); + d->mItemList.take( d->mItemList.findRef( item ) ); + + setLayoutDirty( true ); +} + +void CardView::clear() +{ + d->mItemList.clear(); + + setLayoutDirty( true ); +} + +CardViewItem *CardView::currentItem() const +{ + if ( !d->mCurrentItem && d->mItemList.count() ) + d->mCurrentItem = d->mItemList.first(); + + return d->mCurrentItem; +} + +void CardView::setCurrentItem( CardViewItem *item ) +{ + if ( !item ) + return; + else if ( item->cardView() != this ) { + kdDebug(5720)<<"CardView::setCurrentItem: Item ("<mSelectionMode == Single ) { + setSelected( item, true ); + } else { + CardViewItem *it = d->mCurrentItem; + d->mCurrentItem = item; + if ( it ) + it->repaintCard(); + + item->repaintCard(); + } + + if ( ! d->mOnSeparator ) + ensureItemVisible( item ); + + emit currentChanged( item ); +} + +CardViewItem *CardView::itemAt( const QPoint &viewPos ) const +{ + CardViewItem *item = 0; + QPtrListIterator iter( d->mItemList ); + bool found = false; + for ( iter.toFirst(); iter.current() && !found; ++iter ) { + item = *iter; + if ( QRect( item->d->x, item->d->y, d->mItemWidth, item->height() ).contains( viewPos ) ) + found = true; + } + + if ( found ) + return item; + + return 0; +} + +QRect CardView::itemRect( const CardViewItem *item ) const +{ + return QRect( item->d->x, item->d->y, d->mItemWidth, item->height() ); +} + +void CardView::ensureItemVisible( const CardViewItem *item ) +{ + ensureVisible( item->d->x, item->d->y, d->mItemSpacing, 0 ); + ensureVisible( item->d->x + d->mItemWidth, item->d->y, d->mItemSpacing, 0 ); +} + +void CardView::repaintItem( const CardViewItem *item ) +{ + repaintContents( QRect( item->d->x, item->d->y, d->mItemWidth, item->height() ) ); +} + +void CardView::setSelectionMode( CardView::SelectionMode mode ) +{ + selectAll( false ); + + d->mSelectionMode = mode; +} + +CardView::SelectionMode CardView::selectionMode() const +{ + return d->mSelectionMode; +} + +void CardView::selectAll( bool state ) +{ + QPtrListIterator iter( d->mItemList ); + if ( !state ) { + for ( iter.toFirst(); iter.current(); ++iter ) { + if ( (*iter)->isSelected() ) { + (*iter)->setSelected( false ); + (*iter)->repaintCard(); + } + } + + emit selectionChanged( 0 ); + } else if ( d->mSelectionMode != CardView::Single ) { + for ( iter.toFirst(); iter.current(); ++iter ) { + (*iter)->setSelected( true ); + } + + if ( d->mItemList.count() > 0 ) { + // emit, since there must have been at least one selected + emit selectionChanged(); + viewport()->update(); + } + } +} + +void CardView::setSelected( CardViewItem *item, bool selected ) +{ + if ( (item == 0) || (item->isSelected() == selected) ) + return; + + if ( selected && d->mCurrentItem != item ) { + CardViewItem *it = d->mCurrentItem; + d->mCurrentItem = item; + if ( it ) + it->repaintCard(); + } + + if ( d->mSelectionMode == CardView::Single ) { + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + + if ( selected ) { + item->setSelected( selected ); + item->repaintCard(); + emit selectionChanged(); + emit selectionChanged( item ); + } else { + emit selectionChanged(); + emit selectionChanged( 0 ); + } + } else if ( d->mSelectionMode == CardView::Multi ) { + item->setSelected( selected ); + item->repaintCard(); + emit selectionChanged(); + } else if ( d->mSelectionMode == CardView::Extended ) { + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + + item->setSelected( selected ); + item->repaintCard(); + emit selectionChanged(); + } +} + +bool CardView::isSelected( CardViewItem *item ) const +{ + return (item && item->isSelected()); +} + +CardViewItem *CardView::selectedItem() const +{ + // find the first selected item + QPtrListIterator iter( d->mItemList ); + for ( iter.toFirst(); iter.current(); ++iter ) { + if ( (*iter)->isSelected() ) + return *iter; + } + + return 0; +} + +CardViewItem *CardView::firstItem() const +{ + return d->mItemList.first(); +} + +int CardView::childCount() const +{ + return d->mItemList.count(); +} + +CardViewItem *CardView::findItem( const QString &text, const QString &label, + Qt::StringComparisonMode compare ) const +{ + // If the text is empty, we will return null, since empty text will + // match anything! + if ( text.isEmpty() ) + return 0; + + QPtrListIterator iter( d->mItemList ); + if ( compare & Qt::BeginsWith ) { + QString value; + for ( iter.toFirst(); iter.current(); ++iter ) { + value = (*iter)->fieldValue( label ).upper(); + if ( value.startsWith( text.upper() ) ) + return *iter; + } + } else { + kdDebug(5720) << "CardView::findItem: search method not implemented" << endl; + } + + return 0; +} + +uint CardView::columnWidth() const +{ + return d->mDrawSeparators ? + d->mItemWidth + ( 2 * d->mItemSpacing ) + d->mSepWidth : + d->mItemWidth + d->mItemSpacing; +} + +void CardView::drawContents( QPainter *p, int clipx, int clipy, + int clipw, int cliph ) +{ + QScrollView::drawContents( p, clipx, clipy, clipw, cliph ); + + if ( d->mLayoutDirty ) + calcLayout(); + + // allow setting costum colors in the viewport pale + QColorGroup cg = viewport()->palette().active(); + + QRect clipRect( clipx, clipy, clipw, cliph ); + QRect cardRect; + QRect sepRect; + CardViewItem *item; + CardViewSeparator *sep; + + // make sure the viewport is a pure background + viewport()->erase( clipRect ); + + // Now tell the cards to draw, if they are in the clip region + QPtrListIterator iter( d->mItemList ); + for ( iter.toFirst(); iter.current(); ++iter) { + item = *iter; + cardRect.setRect( item->d->x, item->d->y, d->mItemWidth, item->height() ); + + if ( clipRect.intersects( cardRect ) || clipRect.contains( cardRect ) ) { + // Tell the card to paint + p->save(); + p->translate( cardRect.x(), cardRect.y() ); + item->paintCard( p, cg ); + p->restore(); + } + } + + // Followed by the separators if they are in the clip region + QPtrListIterator sepIter( d->mSeparatorList ); + for ( sepIter.toFirst(); sepIter.current(); ++sepIter ) { + sep = *sepIter; + sepRect = sep->mRect; + + if ( clipRect.intersects( sepRect ) || clipRect.contains( sepRect ) ) { + p->save(); + p->translate( sepRect.x(), sepRect.y() ); + sep->paintSeparator( p, cg ); + p->restore(); + } + } +} + +void CardView::resizeEvent( QResizeEvent *event ) +{ + QScrollView::resizeEvent( event ); + + setLayoutDirty( true ); +} + +void CardView::calcLayout() +{ + // Start in the upper left corner and layout all the + // cars using their height and width + int maxWidth = 0; + int maxHeight = 0; + int xPos = 0; + int yPos = 0; + int cardSpacing = d->mItemSpacing; + + // delete the old separators + d->mSeparatorList.clear(); + + QPtrListIterator iter( d->mItemList ); + CardViewItem *item = 0; + CardViewSeparator *sep = 0; + xPos += cardSpacing; + + for ( iter.toFirst(); iter.current(); ++iter ) { + item = *iter; + + yPos += cardSpacing; + + if ( yPos + item->height() + cardSpacing >= height() - horizontalScrollBar()->height() ) { + maxHeight = QMAX( maxHeight, yPos ); + + // Drawing in this column would be greater than the height + // of the scroll view, so move to next column + yPos = cardSpacing; + xPos += cardSpacing + maxWidth; + if ( d->mDrawSeparators ) { + // Create a separator since the user asked + sep = new CardViewSeparator( this ); + sep->mRect.moveTopLeft( QPoint( xPos, yPos + d->mItemMargin ) ); + xPos += d->mSepWidth + cardSpacing; + d->mSeparatorList.append( sep ); + } + + maxWidth = 0; + } + + item->d->x = xPos; + item->d->y = yPos; + + yPos += item->height(); + maxWidth = QMAX( maxWidth, d->mItemWidth ); + } + + xPos += maxWidth; + resizeContents( xPos + cardSpacing, maxHeight ); + + // Update the height of all the separators now that we know the + // max height of a column + QPtrListIterator sepIter( d->mSeparatorList ); + for ( sepIter.toFirst(); sepIter.current(); ++sepIter ) + (*sepIter)->mRect.setHeight( maxHeight - 2 * cardSpacing - 2 * d->mItemMargin ); + + d->mLayoutDirty = false; +} + +CardViewItem *CardView::itemAfter( const CardViewItem *item ) const +{ + d->mItemList.findRef( item ); + return d->mItemList.next(); +} + +uint CardView::itemMargin() const +{ + return d->mItemMargin; +} + +void CardView::setItemMargin( uint margin ) +{ + if ( margin == d->mItemMargin ) + return; + + d->mItemMargin = margin; + setLayoutDirty( true ); +} + +uint CardView::itemSpacing() const +{ + return d->mItemSpacing; +} + +void CardView::setItemSpacing( uint spacing ) +{ + if ( spacing == d->mItemSpacing ) + return; + + d->mItemSpacing = spacing; + setLayoutDirty( true ); +} + +void CardView::contentsMousePressEvent( QMouseEvent *e ) +{ + QScrollView::contentsMousePressEvent( e ); + + QPoint pos = contentsToViewport( e->pos() ); + d->mLastClickPos = e->pos(); + + CardViewItem *item = itemAt( e->pos() ); + + if ( item == 0 ) { + d->mLastClickOnItem = false; + if ( d->mOnSeparator) { + d->mResizeAnchor = e->x() + contentsX(); + d->mColspace = (2 * d->mItemSpacing); + int ccw = d->mItemWidth + d->mColspace + d->mSepWidth; + d->mFirst = (contentsX() + d->mSepWidth) / ccw; + d->mPressed = (d->mResizeAnchor + d->mSepWidth) / ccw; + d->mSpan = d->mPressed - d->mFirst; + d->mFirstX = d->mFirst * ccw; + if ( d->mFirstX ) + d->mFirstX -= d->mSepWidth; + } else { + selectAll( false ); + } + + return; + } + + d->mLastClickOnItem = true; + + CardViewItem *other = d->mCurrentItem; + setCurrentItem( item ); + + // Always emit the selection + emit clicked( item ); + + // The RMB click + if ( e->button() & Qt::RightButton ) { + // clear previous selection + bool blocked = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( blocked ); + + // select current item + item->setSelected( true ); + + emit contextMenuRequested( item, mapToGlobal( pos ) ); + return; + } + + // Check the selection type and update accordingly + if ( d->mSelectionMode == CardView::Single ) { + // make sure it isn't already selected + if ( item->isSelected() ) + return; + + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + + item->setSelected( true ); + item->repaintCard(); + emit selectionChanged( item ); + } else if ( d->mSelectionMode == CardView::Multi ) { + // toggle the selection + item->setSelected( !item->isSelected() ); + item->repaintCard(); + emit selectionChanged(); + } else if ( d->mSelectionMode == CardView::Extended ) { + if ( (e->button() & Qt::LeftButton) && (e->state() & Qt::ShiftButton) ) { + if ( item == other ) + return; + + bool s = !item->isSelected(); + + if ( s && !(e->state() & ControlButton) ) { + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + } + + int from, to, a, b; + a = d->mItemList.findRef( item ); + b = d->mItemList.findRef( other ); + from = a < b ? a : b; + to = a > b ? a : b; + + CardViewItem *aItem; + for ( ; from <= to; from++ ) { + aItem = d->mItemList.at( from ); + aItem->setSelected( s ); + repaintItem( aItem ); + } + + emit selectionChanged(); + } else if ( (e->button() & Qt::LeftButton) && (e->state() & Qt::ControlButton) ) { + item->setSelected( !item->isSelected() ); + item->repaintCard(); + emit selectionChanged(); + } else if ( e->button() & Qt::LeftButton ) { + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + + item->setSelected( true ); + item->repaintCard(); + emit selectionChanged(); + } + } +} + +void CardView::contentsMouseReleaseEvent( QMouseEvent *e ) +{ + QScrollView::contentsMouseReleaseEvent( e ); + + if ( d->mResizeAnchor && d->mSpan ) { + unsetCursor(); + // hide rubber bands + int newiw = d->mItemWidth - ((d->mResizeAnchor - d->mRubberBandAnchor) / d->mSpan); + drawRubberBands( 0 ); + // we should move to reflect the new position if we are scrolled. + if ( contentsX() ) { + int newX = QMAX( 0, ( d->mPressed * ( newiw + d->mColspace + d->mSepWidth ) ) - e->x() ); + setContentsPos( newX, contentsY() ); + } + // set new item width + setItemWidth( newiw ); + // reset anchors + d->mResizeAnchor = 0; + d->mRubberBandAnchor = 0; + return; + } + + // If there are accel keys, we will not emit signals + if ( (e->state() & Qt::ShiftButton) || (e->state() & Qt::ControlButton) ) + return; + + // Get the item at this position + CardViewItem *item = itemAt( e->pos() ); + + if ( item && KGlobalSettings::singleClick() ) + emit executed( item ); +} + +void CardView::contentsMouseDoubleClickEvent( QMouseEvent *e ) +{ + QScrollView::contentsMouseDoubleClickEvent( e ); + + CardViewItem *item = itemAt( e->pos() ); + + if ( item ) + d->mCurrentItem = item; + + if ( item && !KGlobalSettings::singleClick() ) + emit executed(item); + + emit doubleClicked( item ); +} + +void CardView::contentsMouseMoveEvent( QMouseEvent *e ) +{ + // resizing + if ( d->mResizeAnchor ) { + int x = e->x(); + if ( x != d->mRubberBandAnchor ) + drawRubberBands( x ); + return; + } + + if ( d->mLastClickOnItem && (e->state() & Qt::LeftButton) && + ((e->pos() - d->mLastClickPos).manhattanLength() > 4)) { + + startDrag(); + return; + } + + d->mTimer->start( 500 ); + + // see if we are over a separator + // only if we actually have them painted? + if ( d->mDrawSeparators ) { + int colcontentw = d->mItemWidth + (2 * d->mItemSpacing); + int colw = colcontentw + d->mSepWidth; + int m = e->x() % colw; + if ( m >= colcontentw && m > 0 ) { + setCursor( SplitHCursor ); + d->mOnSeparator = true; + } else { + setCursor( ArrowCursor ); + d->mOnSeparator = false; + } + } +} + +void CardView::enterEvent( QEvent* ) +{ + d->mTimer->start( 500 ); +} + +void CardView::leaveEvent( QEvent* ) +{ + d->mTimer->stop(); + if ( d->mOnSeparator ) { + d->mOnSeparator = false; + setCursor( ArrowCursor ); + } +} + +void CardView::focusInEvent( QFocusEvent* ) +{ + if ( !d->mCurrentItem && d->mItemList.count() ) + setCurrentItem( d->mItemList.first() ); + else if ( d->mCurrentItem ) + d->mCurrentItem->repaintCard(); +} + +void CardView::focusOutEvent( QFocusEvent* ) +{ + if ( d->mCurrentItem ) + d->mCurrentItem->repaintCard(); +} + +void CardView::keyPressEvent( QKeyEvent *e ) +{ + if ( !(childCount() && d->mCurrentItem) ) { + e->ignore(); + return; + } + + uint pos = d->mItemList.findRef( d->mCurrentItem ); + CardViewItem *aItem = 0; + CardViewItem *old = d->mCurrentItem; + + switch ( e->key() ) { + case Key_Up: + if ( pos > 0 ) { + aItem = d->mItemList.at( pos - 1 ); + setCurrentItem( aItem ); + } + break; + case Key_Down: + if ( pos < d->mItemList.count() - 1 ) { + aItem = d->mItemList.at( pos + 1 ); + setCurrentItem( aItem ); + } + break; + case Key_Left: + { + // look for an item in the previous/next column, starting from + // the vertical middle of the current item. + // FIXME use nice calculatd measures!!! + QPoint aPoint( d->mCurrentItem->d->x, d->mCurrentItem->d->y ); + aPoint -= QPoint( 30, -(d->mCurrentItem->height() / 2) ); + aItem = itemAt( aPoint ); + // maybe we hit some space below an item + while ( !aItem && aPoint.y() > 27 ) { + aPoint -= QPoint( 0, 16 ); + aItem = itemAt( aPoint ); + } + if ( aItem ) + setCurrentItem( aItem ); + + break; + } + case Key_Right: + { + // FIXME use nice calculated measures!!! + QPoint aPoint( d->mCurrentItem->d->x + d->mItemWidth, d->mCurrentItem->d->y ); + aPoint += QPoint( 30, (d->mCurrentItem->height() / 2) ); + aItem = itemAt( aPoint ); + while ( !aItem && aPoint.y() > 27 ) { + aPoint -= QPoint( 0, 16 ); + aItem = itemAt( aPoint ); + } + if ( aItem ) + setCurrentItem( aItem ); + + break; + } + case Key_Home: + aItem = d->mItemList.first(); + setCurrentItem( aItem ); + break; + case Key_End: + aItem = d->mItemList.last(); + setCurrentItem( aItem ); + break; + case Key_Prior: // PageUp + { + // QListView: "Make the item above the top visible and current" + // TODO if contentsY(), pick the top item of the leftmost visible column + if ( contentsX() <= 0 ) + return; + int cw = columnWidth(); + int theCol = ( QMAX( 0, ( contentsX() / cw) * cw ) ) + d->mItemSpacing; + aItem = itemAt( QPoint( theCol + 1, d->mItemSpacing + 1 ) ); + if ( aItem ) + setCurrentItem( aItem ); + + break; + } + case Key_Next: // PageDown + { + // QListView: "Make the item below the bottom visible and current" + // find the first not fully visible column. + // TODO: consider if a partly visible (or even hidden) item at the + // bottom of the rightmost column exists + int cw = columnWidth(); + int theCol = ( (( contentsX() + visibleWidth() ) / cw) * cw ) + d->mItemSpacing + 1; + // if separators are on, we may need to we may be one column further right if only the spacing/sep is hidden + if ( d->mDrawSeparators && cw - (( contentsX() + visibleWidth() ) % cw) <= int( d->mItemSpacing + d->mSepWidth ) ) + theCol += cw; + + // make sure this is not too far right + while ( theCol > contentsWidth() ) + theCol -= columnWidth(); + + aItem = itemAt( QPoint( theCol, d->mItemSpacing + 1 ) ); + + if ( aItem ) + setCurrentItem( aItem ); + + break; + } + case Key_Space: + setSelected( d->mCurrentItem, !d->mCurrentItem->isSelected() ); + emit selectionChanged(); + break; + case Key_Return: + case Key_Enter: + emit returnPressed( d->mCurrentItem ); + emit executed( d->mCurrentItem ); + break; + case Key_Menu: + emit contextMenuRequested( d->mCurrentItem, viewport()->mapToGlobal( + itemRect(d->mCurrentItem).center() ) ); + break; + default: + if ( (e->state() & ControlButton) && e->key() == Key_A ) { + // select all + selectAll( true ); + break; + } else if ( !e->text().isEmpty() && e->text()[ 0 ].isPrint() ) { + // if we have a string, do autosearch + } + break; + } + + // handle selection + if ( aItem ) { + if ( d->mSelectionMode == CardView::Extended ) { + if ( e->state() & ShiftButton ) { + // shift button: toggle range + // if control button is pressed, leave all items + // and toggle selection current->old current + // otherwise, ?????? + bool s = ! aItem->isSelected(); + int from, to, a, b; + a = d->mItemList.findRef( aItem ); + b = d->mItemList.findRef( old ); + from = a < b ? a : b; + to = a > b ? a : b; + + if ( to - from > 1 ) { + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + } + + CardViewItem *item; + for ( ; from <= to; from++ ) { + item = d->mItemList.at( from ); + item->setSelected( s ); + repaintItem( item ); + } + + emit selectionChanged(); + } else if ( e->state() & ControlButton ) { + // control button: do nothing + } else { + // no button: move selection to this item + bool b = signalsBlocked(); + blockSignals( true ); + selectAll( false ); + blockSignals( b ); + + setSelected( aItem, true ); + emit selectionChanged(); + } + } + } +} + +void CardView::contentsWheelEvent( QWheelEvent *e ) +{ + scrollBy( 2 * e->delta() / -3, 0 ); +} + +void CardView::setLayoutDirty( bool dirty ) +{ + if ( d->mLayoutDirty != dirty ) { + d->mLayoutDirty = dirty; + repaint(); + } +} + +void CardView::setDrawCardBorder( bool enabled ) +{ + if ( enabled != d->mDrawCardBorder ) { + d->mDrawCardBorder = enabled; + repaint(); + } +} + +bool CardView::drawCardBorder() const +{ + return d->mDrawCardBorder; +} + +void CardView::setDrawColSeparators( bool enabled ) +{ + if ( enabled != d->mDrawSeparators ) { + d->mDrawSeparators = enabled; + setLayoutDirty( true ); + } +} + +bool CardView::drawColSeparators() const +{ + return d->mDrawSeparators; +} + +void CardView::setDrawFieldLabels( bool enabled ) +{ + if ( enabled != d->mDrawFieldLabels ) { + d->mDrawFieldLabels = enabled; + repaint(); + } +} + +bool CardView::drawFieldLabels() const +{ + return d->mDrawFieldLabels; +} + +void CardView::setShowEmptyFields( bool show ) +{ + if ( show != d->mShowEmptyFields ) { + d->mShowEmptyFields = show; + setLayoutDirty( true ); + } +} + +bool CardView::showEmptyFields() const +{ + return d->mShowEmptyFields; +} + +void CardView::startDrag() +{ + // The default implementation is a no-op. It must be + // reimplemented in a subclass to be useful +} + +void CardView::tryShowFullText() +{ + d->mTimer->stop(); + // if we have an item + QPoint cpos = viewportToContents( viewport()->mapFromGlobal( QCursor::pos() ) ); + CardViewItem *item = itemAt( cpos ); + if ( item ) { + // query it for a value to display + QPoint ipos = cpos - itemRect( item ).topLeft(); + item->showFullString( ipos, d->mTip ); + } +} + +void CardView::drawRubberBands( int pos ) +{ + if ( pos && d && + (!d->mSpan || ((pos - d->mFirstX) / d->mSpan) - d->mColspace - d->mSepWidth < MIN_ITEM_WIDTH) ) + return; + + int tmpcw = (d->mRubberBandAnchor - d->mFirstX) / d->mSpan; + int x = d->mFirstX + tmpcw - d->mSepWidth - contentsX(); + int h = visibleHeight(); + + QPainter p( viewport() ); + p.setRasterOp( XorROP ); + p.setPen( gray ); + p.setBrush( gray ); + uint n = d->mFirst; + // erase + if ( d->mRubberBandAnchor ) + do { + p.drawRect( x, 0, 2, h ); + x += tmpcw; + n++; + } while ( x < visibleWidth() && n < d->mSeparatorList.count() ); + // paint new + if ( ! pos ) + return; + tmpcw = (pos - d->mFirstX) / d->mSpan; + n = d->mFirst; + x = d->mFirstX + tmpcw - d->mSepWidth - contentsX(); + do { + p.drawRect( x, 0, 2, h ); + x += tmpcw; + n++; + } while ( x < visibleWidth() && n < d->mSeparatorList.count() ); + d->mRubberBandAnchor = pos; +} + +int CardView::itemWidth() const +{ + return d->mItemWidth; +} + +void CardView::setItemWidth( int w ) +{ + if ( w == d->mItemWidth ) + return; + if ( w < MIN_ITEM_WIDTH ) + w = MIN_ITEM_WIDTH; + d->mItemWidth = w; + setLayoutDirty( true ); + updateContents(); +} + +void CardView::setHeaderFont( const QFont &fnt ) +{ + d->mHeaderFont = fnt; + delete d->mBFm; + d->mBFm = new QFontMetrics( fnt ); +} + +QFont CardView::headerFont() const +{ + return d->mHeaderFont; +} + +void CardView::setFont( const QFont &fnt ) +{ + QScrollView::setFont( fnt ); + delete d->mFm; + d->mFm = new QFontMetrics( fnt ); +} + +int CardView::separatorWidth() const +{ + return d->mSepWidth; +} + +void CardView::setSeparatorWidth( int width ) +{ + d->mSepWidth = width; + setLayoutDirty( true ); +} + +int CardView::maxFieldLines() const +{ + return d->mMaxFieldLines; +} + +void CardView::setMaxFieldLines( int howmany ) +{ + d->mMaxFieldLines = howmany ? howmany : INT_MAX; + // FIXME update, forcing the items to recalc height!! +} + +#include "cardview.moc" -- cgit v1.2.1