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tdegraphics/kghostview/marklist.cpp

246 lines
6.8 KiB

/**
* Copyright (C) 1997-2002 the KGhostView authors. See file AUTHORS.
*
* 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.
*/
#include "marklist.moc"
#include <cassert>
#include <tqimage.h>
#include <tqlayout.h>
#include <tqtooltip.h>
#include <tqlabel.h>
#include <tqwhatsthis.h>
#include <tdeglobalsettings.h>
#include <tdelocale.h>
#include <kdebug.h>
#include "kgv_miniwidget.h"
MarkListItem::MarkListItem(TQWidget *parent, const TQString &text, const TQString &tip, const TQColor &color, KGVMiniWidget* miniW, int pageNum)
: TQWidget( parent ),
_miniWidget( miniW ),
_pageNum( pageNum ),
_requested( false )
{
//kdDebug( 4500 ) << "MarkListItem::MarkListItem( _ , " << text <<" , " << tip << " , " << color << ", _ ," << pageNum << " )" << endl;
TQBoxLayout *l = new TQVBoxLayout( this, 5, 0 );
_thumbnailW = new TQWidget( this );
_checkBox = new TQCheckBox( text, this );
l->addWidget( _thumbnailW, 1 );
l->addWidget( _checkBox, 0, TQt::AlignHCenter );
TQWhatsThis::add( _checkBox, i18n( "Using this checkbox you can select pages for printing." ) );
setFixedHeight( 100 );
_backgroundColor = color;
setPaletteBackgroundColor( _backgroundColor );
TQToolTip::add(this, tip);
// TODO: Put a little page number or other place-holder when there is no thumbnail to display.
}
bool MarkListItem::isChecked() const
{
return _checkBox->isChecked();
}
void MarkListItem::toggle()
{
_checkBox->toggle();
}
void MarkListItem::setChecked( bool checked )
{
_checkBox->setChecked(checked);
}
void MarkListItem::setPixmap( TQPixmap thumbnail )
{
// The line below is needed to work around certain "features" of styles such as liquid
// see bug:61711 for more info (LPC, 20 Aug '03)
_thumbnailW->setBackgroundOrigin( TQWidget::WidgetOrigin );
TQPixmap pm;
pm.convertFromImage( thumbnail.convertToImage().smoothScale( _thumbnailW->size() ) );
_thumbnailW->setPaletteBackgroundPixmap( pm );
_requested = false;
}
void MarkListItem::setSelected( bool selected )
{
if (selected)
setPaletteBackgroundColor( TQApplication::palette().active().highlight() );
else
setPaletteBackgroundColor( _backgroundColor );
}
void MarkListItem::resizeEvent( TQResizeEvent * )
{
if ( _thumbnailW->paletteBackgroundPixmap() ) {
TQPixmap pm;
pm.convertFromImage( _thumbnailW->paletteBackgroundPixmap()->convertToImage().smoothScale( _thumbnailW->size() ) );
_thumbnailW->setPaletteBackgroundPixmap( pm );
}
}
void MarkListItem::paintEvent( TQPaintEvent* )
{
/* TODO:
* We should cancel things which flipped into view and then flipped out.
*
* Now, if one scrolls through a 1000 page document to the end and then lingers on the
* last pages, these will take forever to appear in thumbnail form.
*/
if ( _requested ) return;
if ( !_thumbnailW->paletteBackgroundPixmap() || _thumbnailW->paletteBackgroundPixmap()->isNull() ) {
_miniWidget->getThumbnailService()->delayedGetThumbnail( _pageNum, this, TQT_SLOT( setPixmap( TQPixmap ) ) );
_requested = true;
}
}
/* MarkList */
MarkList::MarkList( TQWidget* parent, const char* name, KGVMiniWidget* mini)
: TQTable( parent, name ),
_selected ( -1 ),
_miniWidget( mini )
{
setNumCols( 1 );
setLeftMargin( 0 ); // we don't want the vertical header
horizontalHeader()->setLabel( 0, i18n("Page") );
connect( this, TQT_SIGNAL( currentChanged( int, int ) ),
this, TQT_SIGNAL( selected( int ) ) );
}
TQValueList<int> MarkList::markList() const
{
TQValueList<int> list;
MarkListItem *_item;
for(int i = 0; i < numRows(); i++)
{
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
if ( _item->isChecked() ) list << (i + 1);
}
return list;
}
void MarkList::insertItem( const TQString& text, int index, const TQString& tip)
{
MarkListItem *_item;
_item = new MarkListItem( this, text, tip, viewport()->paletteBackgroundColor(), _miniWidget, index );
setNumRows( index + 1 );
setCellWidget( index, 0, _item );
setRowHeight( index, _item->height() );
}
void MarkList::select( int index )
{
MarkListItem *_item;
setCurrentCell( index, 0 );
_item = dynamic_cast<MarkListItem *>( cellWidget( _selected, 0 ) );
if (_item) _item -> setSelected( false );
_selected = index;
_item = dynamic_cast<MarkListItem *>( cellWidget( _selected, 0 ) );
if (_item) _item -> setSelected( true );
clearFocus();
}
void MarkList::clear()
{
for ( int i = 0; i != numRows() ; ++i ) {
clearCellWidget( i, 0 );
}
setNumRows( 0 );
}
void MarkList::markCurrent()
{
MarkListItem *_item = dynamic_cast<MarkListItem *>( cellWidget( currentRow(), 0 ) );
assert( _item );
_item->toggle();
}
void MarkList::markAll()
{
MarkListItem *_item;
for(int i = 0; i < numRows(); i++)
{
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
_item->setChecked( true );
}
}
void MarkList::markEven()
{
MarkListItem *_item;
for(int i = 1; i < numRows(); i = i + 2)
{
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
_item->setChecked( true );
}
}
void MarkList::markOdd()
{
MarkListItem *_item;
for(int i = 0; i < numRows(); i = i + 2)
{
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
_item->setChecked( true );
}
}
void MarkList::toggleMarks()
{
MarkListItem *_item;
for(int i = 0; i < numRows(); i++)
{
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
_item->toggle();
}
}
void MarkList::removeMarks()
{
MarkListItem *_item;
for( int i = 0; i < numRows(); i++ ) {
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
_item->setChecked( false );
}
}
void MarkList::viewportResizeEvent ( TQResizeEvent * )
{
MarkListItem *_item;
if( visibleWidth() != columnWidth( 0 ) )
{
setColumnWidth( 0, visibleWidth() );
for( int i = 0; i < numRows(); ++i )
{
_item = dynamic_cast<MarkListItem *>( cellWidget( i, 0 ) );
assert( _item );
_item->setFixedSize( visibleWidth(), _item->height() );
}
}
}