1 files changed, 175 insertions, 0 deletions
diff --git a/kmail/kmatmlistview.cpp b/kmail/kmatmlistview.cpp
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--- /dev/null
+++ b/kmail/kmatmlistview.cpp
@@ -0,0 +1,175 @@
+// -*- 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"