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// -*- mode: C++; c-file-style: "gnu" -*-
// kmatmlistview.cpp
// Author: Markus Wuebben <markus.wuebben@kde.org>
// This code is published under the GPL.
#include <config.h>
#include "kmatmlistview.h"
#include <qcheckbox.h>
#include <qheader.h>
KMAtmListViewItem::KMAtmListViewItem( QListView *parent )
: QObject(),
QListViewItem( parent )
{
mCBCompress = new QCheckBox( listView()->viewport() );
mCBEncrypt = new QCheckBox( listView()->viewport() );
mCBSign = new QCheckBox( listView()->viewport() );
mCBCompress->setShown( true );
updateAllCheckBoxes();
connect( mCBCompress, SIGNAL( clicked() ), this, SLOT( slotCompress() ) );
connect( listView()->header(), SIGNAL( sizeChange(int, int, int) ),
SLOT( slotHeaderChange( int, int, int ) ) );
connect( listView()->header(), SIGNAL( indexChange(int, int, int) ),
SLOT( slotHeaderChange( int, int, int ) ) );
connect( listView()->header(), SIGNAL( clicked( int ) ), SLOT( slotHeaderClick( int ) ) );
}
KMAtmListViewItem::~KMAtmListViewItem()
{
delete mCBEncrypt;
mCBEncrypt = 0;
delete mCBSign;
mCBSign = 0;
delete mCBCompress;
mCBCompress = 0;
}
void KMAtmListViewItem::updateCheckBox( int headerSection, QCheckBox *cb )
{
//Calculate some values to determine the x-position where the checkbox
//will be drawn
int sectionWidth = listView()->header()->sectionSize( headerSection );
int sectionPos = listView()->header()->sectionPos( headerSection );
int sectionOffset = sectionWidth / 2 - height() / 4;
//Resize and move the checkbox
cb->resize( sectionWidth - sectionOffset - 1, height() - 2 );
listView()->moveChild( cb, sectionPos + sectionOffset, itemPos() + 1 );
//Set the correct background color
QColor bg;
if ( isSelected() ) {
bg = listView()->colorGroup().highlight();
} else {
bg = listView()->colorGroup().base();
}
cb->setPaletteBackgroundColor( bg );
}
void KMAtmListViewItem::updateAllCheckBoxes()
{
updateCheckBox( 4, mCBCompress );
updateCheckBox( 5, mCBEncrypt );
updateCheckBox( 6, mCBSign );
}
// Each time a cell is about to be painted, the item's checkboxes are updated
// as well. This is necessary to keep the positions of the checkboxes
// up-to-date. The signals which are, in the constructor of this class,
// connected to the update slots are not sufficent because unfortunatly,
// Qt does not provide a signal for changed item positions, e.g. during
// deleting or adding items. The problem with this is that this function does
// not catch updates which are off-screen, which means under some circumstances
// checkboxes have invalid positions. This should not happen anymore, but was
// the cause of bug 113458. Therefore, both the signals connected in the
// constructor and this function are necessary to keep the checkboxes'
// positions in sync, and hopefully is enough.
void KMAtmListViewItem::paintCell ( QPainter * p, const QColorGroup &cg,
int column, int width, int align )
{
switch ( column ) {
case 4: updateCheckBox( 4, mCBCompress ); break;
case 5: updateCheckBox( 5, mCBEncrypt ); break;
case 6: updateCheckBox( 6, mCBSign ); break;
}
QListViewItem::paintCell( p, cg, column, width, align );
}
int KMAtmListViewItem::compare( QListViewItem *i, int col, bool ascending ) const
{
if ( col != 1 ) {
return QListViewItem::compare( i, col, ascending );
}
return mAttachmentSize -
(static_cast<KMAtmListViewItem*>(i))->mAttachmentSize;
}
void KMAtmListViewItem::enableCryptoCBs( bool on )
{
// Show/Hide the appropriate checkboxes.
// This should not be necessary because the caller hides the columns
// containing the checkboxes anyway.
mCBEncrypt->setShown( on );
mCBSign->setShown( on );
}
void KMAtmListViewItem::setEncrypt( bool on )
{
if ( mCBEncrypt ) {
mCBEncrypt->setChecked( on );
}
}
bool KMAtmListViewItem::isEncrypt()
{
if ( mCBEncrypt ) {
return mCBEncrypt->isChecked();
} else {
return false;
}
}
void KMAtmListViewItem::setSign( bool on )
{
if ( mCBSign ) {
mCBSign->setChecked( on );
}
}
bool KMAtmListViewItem::isSign()
{
if ( mCBSign ) {
return mCBSign->isChecked();
} else {
return false;
}
}
void KMAtmListViewItem::setCompress( bool on )
{
mCBCompress->setChecked( on );
}
bool KMAtmListViewItem::isCompress()
{
return mCBCompress->isChecked();
}
void KMAtmListViewItem::slotCompress()
{
if ( mCBCompress->isChecked() ) {
emit compress( itemPos() );
} else {
emit uncompress( itemPos() );
}
}
// Update the item's checkboxes when the position of those change
// due to different column positions
void KMAtmListViewItem::slotHeaderChange ( int, int, int )
{
updateAllCheckBoxes();
}
//Update the item's checkboxes when the list is being sorted
void KMAtmListViewItem::slotHeaderClick( int )
{
updateAllCheckBoxes();
}
#include "kmatmlistview.moc"
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