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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /libkdepim/kfoldertree.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
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
Diffstat (limited to 'libkdepim/kfoldertree.cpp')
-rw-r--r--libkdepim/kfoldertree.cpp542
1 files changed, 542 insertions, 0 deletions
diff --git a/libkdepim/kfoldertree.cpp b/libkdepim/kfoldertree.cpp
new file mode 100644
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--- /dev/null
+++ b/libkdepim/kfoldertree.cpp
@@ -0,0 +1,542 @@
+// -*- c-basic-offset: 2 -*-
+
+#include "kfoldertree.h"
+#include <klocale.h>
+#include <kio/global.h>
+#include <kiconloader.h>
+#include <kdebug.h>
+#include <kstringhandler.h>
+#include <qpainter.h>
+#include <qapplication.h>
+#include <qheader.h>
+#include <qstyle.h>
+
+//-----------------------------------------------------------------------------
+KFolderTreeItem::KFolderTreeItem( KFolderTree *parent, const QString & label,
+ Protocol protocol, Type type )
+ : KListViewItem( parent, label ), mProtocol( protocol ), mType( type ),
+ mUnread(-1), mTotal(0), mSize(0), mFolderIsCloseToQuota( false )
+{
+}
+
+//-----------------------------------------------------------------------------
+KFolderTreeItem::KFolderTreeItem( KFolderTreeItem *parent,
+ const QString & label, Protocol protocol, Type type,
+ int unread, int total )
+ : KListViewItem( parent, label ), mProtocol( protocol ), mType( type ),
+ mUnread( unread ), mTotal( total ), mSize(0), mFolderIsCloseToQuota( false )
+{
+}
+
+//-----------------------------------------------------------------------------
+int KFolderTreeItem::protocolSortingKey() const
+{
+ // protocol dependant sorting order:
+ // local < imap < news < search < other
+ switch ( mProtocol ) {
+ case Local:
+ return 1;
+ case CachedImap:
+ case Imap:
+ return 2;
+ case News:
+ return 3;
+ case Search:
+ return 4;
+ default:
+ return 42;
+ }
+}
+
+//-----------------------------------------------------------------------------
+int KFolderTreeItem::typeSortingKey() const
+{
+ // type dependant sorting order:
+ // inbox < outbox < sent-mail < trash < drafts
+ // < calendar < contacts < notes < tasks
+ // < normal folders
+ switch ( mType ) {
+ case Inbox:
+ return 1;
+ case Outbox:
+ return 2;
+ case SentMail:
+ return 3;
+ case Trash:
+ return 4;
+ case Drafts:
+ return 5;
+ case Templates:
+ return 6;
+ case Calendar:
+ return 7;
+ case Contacts:
+ return 8;
+ case Notes:
+ return 9;
+ case Tasks:
+ return 10;
+ default:
+ return 42;
+ }
+}
+
+//-----------------------------------------------------------------------------
+int KFolderTreeItem::compare( QListViewItem * i, int col, bool ) const
+{
+ KFolderTreeItem* other = static_cast<KFolderTreeItem*>( i );
+
+ if (col == 0)
+ {
+ // sort by folder
+
+ // local root-folder
+ if ( depth() == 0 && mProtocol == NONE )
+ return -1;
+ if ( other->depth() == 0 && other->protocol() == NONE )
+ return 1;
+
+ // first compare by protocol
+ int thisKey = protocolSortingKey();
+ int thatKey = other->protocolSortingKey();
+ if ( thisKey < thatKey )
+ return -1;
+ if ( thisKey > thatKey )
+ return 1;
+
+ // then compare by type
+ thisKey = typeSortingKey();
+ thatKey = other->typeSortingKey();
+ if ( thisKey < thatKey )
+ return -1;
+ if ( thisKey > thatKey )
+ return 1;
+
+ // and finally compare by name
+ return text( 0 ).localeAwareCompare( other->text( 0 ) );
+ }
+ else
+ {
+ // sort by unread or total-column
+ Q_INT64 a = 0, b = 0;
+ if (col == static_cast<KFolderTree*>(listView())->unreadIndex())
+ {
+ a = mUnread;
+ b = other->unreadCount();
+ }
+ else if (col == static_cast<KFolderTree*>(listView())->totalIndex())
+ {
+ a = mTotal;
+ b = other->totalCount();
+ }
+ else if (col == static_cast<KFolderTree*>(listView())->sizeIndex())
+ {
+ a = mSize;
+ b = other->folderSize();
+ }
+
+ if ( a == b )
+ return 0;
+ else
+ return (a < b ? -1 : 1);
+ }
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTreeItem::setUnreadCount( int aUnread )
+{
+ if ( aUnread < 0 ) return;
+
+ mUnread = aUnread;
+
+ QString unread = QString::null;
+ if (mUnread == 0)
+ unread = "- ";
+ else {
+ unread.setNum(mUnread);
+ unread += " ";
+ }
+
+ setText( static_cast<KFolderTree*>(listView())->unreadIndex(),
+ unread );
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTreeItem::setTotalCount( int aTotal )
+{
+ if ( aTotal < 0 ) return;
+
+ mTotal = aTotal;
+
+ QString total = QString::null;
+ if (mTotal == 0)
+ total = "- ";
+ else {
+ total.setNum(mTotal);
+ total += " ";
+ }
+
+ setText( static_cast<KFolderTree*>(listView())->totalIndex(),
+ total );
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTreeItem::setFolderSize( Q_INT64 aSize )
+{
+ if ( aSize < 0 ) return; // we need to update even if nothing changed, kids ...
+
+ mSize = aSize;
+
+ QString size;
+ if (mType != Root) {
+ if (mSize == 0 && (childCount() == 0 || isOpen() ) )
+ size = "- ";
+ else
+ size = KIO::convertSize(mSize);
+ }
+ if ( childCount() > 0 && !isOpen() ) {
+ Q_INT64 recursiveSize = recursiveFolderSize();
+ if ( recursiveSize != mSize ) {
+ if ( mType != Root )
+ size += QString::fromLatin1(" + %1").arg( KIO::convertSize( recursiveSize - mSize ) );
+ else
+ size = KIO::convertSize( recursiveSize );
+ }
+ }
+ size += " ";
+
+ setText( static_cast<KFolderTree*>(listView())->sizeIndex(), size );
+}
+
+//-----------------------------------------------------------------------------
+Q_INT64 KFolderTreeItem::recursiveFolderSize() const
+{
+ Q_INT64 size = mSize;
+
+ for ( QListViewItem *item = firstChild() ;
+ item ; item = item->nextSibling() )
+ {
+ size += static_cast<KFolderTreeItem*>(item)->recursiveFolderSize();
+ }
+ return size;
+}
+
+
+
+//-----------------------------------------------------------------------------
+int KFolderTreeItem::countUnreadRecursive()
+{
+ int count = (mUnread > 0) ? mUnread : 0;
+
+ for ( QListViewItem *item = firstChild() ;
+ item ; item = item->nextSibling() )
+ {
+ count += static_cast<KFolderTreeItem*>(item)->countUnreadRecursive();
+ }
+
+ return count;
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTreeItem::paintCell( QPainter * p, const QColorGroup & cg,
+ int column, int width, int align )
+{
+ KFolderTree *ft = static_cast<KFolderTree*>(listView());
+
+ const int unreadRecursiveCount = countUnreadRecursive();
+ const int unreadCount = ( mUnread > 0 ) ? mUnread : 0;
+
+
+ // use a special color for folders which are close to their quota
+ QColorGroup mycg = cg;
+ if ( ( column == 0 || column == ft->sizeIndex() ) && folderIsCloseToQuota() )
+ {
+ mycg.setColor( QColorGroup::Text, ft->paintInfo().colCloseToQuota );
+ }
+
+ // use a bold-font for the folder- and the unread-columns
+ if ( (column == 0 || column == ft->unreadIndex())
+ && ( unreadCount > 0
+ || ( !isOpen() && unreadRecursiveCount > 0 ) ) )
+ {
+ QFont f = p->font();
+ f.setWeight(QFont::Bold);
+ p->setFont(f);
+ }
+
+
+ // most cells can be handled by KListView::paintCell, we only need to
+ // deal with the folder column if the unread column is not shown
+
+ /* The below is exceedingly silly, but Ingo insists that the unread
+ * count that is shown in parenthesis after the folder name must
+ * be configurable in color. That means that paintCell needs to do
+ * two painting passes which flickers. Since that flicker is not
+ * needed when there is the unread column, special case that. */
+ if ( ft->isUnreadActive() || column != 0 ) {
+ KListViewItem::paintCell( p, mycg, column, width, align );
+ } else {
+ QListView *lv = listView();
+ QString oldText = text(column);
+
+ // set an empty text so that we can have our own implementation (see further down)
+ // but still benefit from KListView::paintCell
+ setText( column, "" );
+
+ KListViewItem::paintCell( p, mycg, column, width, align );
+
+ const QPixmap *icon = pixmap( column );
+ int marg = lv ? lv->itemMargin() : 1;
+ int r = marg;
+
+ setText( column, oldText );
+ if ( isSelected() )
+ p->setPen( mycg.highlightedText() );
+ else
+ p->setPen( mycg.color( QColorGroup::Text ) );
+
+ if ( icon ) {
+ r += icon->width() + marg;
+ }
+ QString t = text( column );
+ if (t.isEmpty())
+ return;
+
+ // draw the unread-count if the unread-column is not active
+ QString unread;
+
+ if ( unreadCount > 0 || ( !isOpen() && unreadRecursiveCount > 0 ) ) {
+ if ( isOpen() )
+ unread = " (" + QString::number( unreadCount ) + ")";
+ else if ( unreadRecursiveCount == unreadCount || mType == Root )
+ unread = " (" + QString::number( unreadRecursiveCount ) + ")";
+ else
+ unread = " (" + QString::number( unreadCount ) + " + " +
+ QString::number( unreadRecursiveCount-unreadCount ) + ")";
+ }
+
+ // check if the text needs to be squeezed
+ QFontMetrics fm( p->fontMetrics() );
+ int unreadWidth = fm.width( unread );
+ if ( fm.width( t ) + marg + r + unreadWidth > width )
+ t = squeezeFolderName( t, fm, width - marg - r - unreadWidth );
+
+ QRect br;
+ p->drawText( r, 0, width-marg-r, height(),
+ align | AlignVCenter, t, -1, &br );
+
+ if ( !unread.isEmpty() ) {
+ if (!isSelected())
+ p->setPen( ft->paintInfo().colUnread );
+ p->drawText( br.right(), 0, width-marg-br.right(), height(),
+ align | AlignVCenter, unread );
+ }
+ }
+}
+
+
+QString KFolderTreeItem::squeezeFolderName( const QString &text,
+ const QFontMetrics &fm,
+ uint width ) const
+{
+ return KStringHandler::rPixelSqueeze( text, fm, width );
+}
+
+bool KFolderTreeItem::folderIsCloseToQuota() const
+{
+ return mFolderIsCloseToQuota;
+}
+
+void KFolderTreeItem::setFolderIsCloseToQuota( bool v )
+{
+ if ( mFolderIsCloseToQuota != v) {
+ mFolderIsCloseToQuota = v;
+ repaint();
+ }
+}
+
+
+//=============================================================================
+
+
+KFolderTree::KFolderTree( QWidget *parent, const char* name )
+ : KListView( parent, name ), mUnreadIndex(-1), mTotalIndex(-1), mSizeIndex(-1)
+{
+ // GUI-options
+ setStyleDependantFrameWidth();
+ setAcceptDrops(true);
+ setDropVisualizer(false);
+ setAllColumnsShowFocus(true);
+ setShowSortIndicator(true);
+ setUpdatesEnabled(true);
+ setItemsRenameable(false);
+ setRootIsDecorated(true);
+ setSelectionModeExt(Extended);
+ setAlternateBackground(QColor());
+#if KDE_IS_VERSION( 3, 3, 90 )
+ setShadeSortColumn ( false );
+#endif
+ setFullWidth(true);
+ disableAutoSelection();
+ setColumnWidth( 0, 120 ); //reasonable default size
+
+ disconnect( header(), SIGNAL( sizeChange( int, int, int ) ) );
+ connect( header(), SIGNAL( sizeChange( int, int, int ) ),
+ SLOT( slotSizeChanged( int, int, int ) ) );
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::setStyleDependantFrameWidth()
+{
+ // set the width of the frame to a reasonable value for the current GUI style
+ int frameWidth;
+ if( style().isA("KeramikStyle") )
+ frameWidth = style().pixelMetric( QStyle::PM_DefaultFrameWidth ) - 1;
+ else
+ frameWidth = style().pixelMetric( QStyle::PM_DefaultFrameWidth );
+ if ( frameWidth < 0 )
+ frameWidth = 0;
+ if ( frameWidth != lineWidth() )
+ setLineWidth( frameWidth );
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::styleChange( QStyle& oldStyle )
+{
+ setStyleDependantFrameWidth();
+ KListView::styleChange( oldStyle );
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::drawContentsOffset( QPainter * p, int ox, int oy,
+ int cx, int cy, int cw, int ch )
+{
+ bool oldUpdatesEnabled = isUpdatesEnabled();
+ setUpdatesEnabled(false);
+ KListView::drawContentsOffset( p, ox, oy, cx, cy, cw, ch );
+ setUpdatesEnabled(oldUpdatesEnabled);
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::contentsMousePressEvent( QMouseEvent *e )
+{
+ setSelectionModeExt(Single);
+ KListView::contentsMousePressEvent(e);
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::contentsMouseReleaseEvent( QMouseEvent *e )
+{
+ KListView::contentsMouseReleaseEvent(e);
+ setSelectionModeExt(Extended);
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::addAcceptableDropMimetype( const char *mimeType, bool outsideOk )
+{
+ int oldSize = mAcceptableDropMimetypes.size();
+ mAcceptableDropMimetypes.resize(oldSize+1);
+ mAcceptOutside.resize(oldSize+1);
+
+ mAcceptableDropMimetypes.at(oldSize) = mimeType;
+ mAcceptOutside.setBit(oldSize, outsideOk);
+}
+
+//-----------------------------------------------------------------------------
+bool KFolderTree::acceptDrag( QDropEvent* event ) const
+{
+ QListViewItem* item = itemAt(contentsToViewport(event->pos()));
+
+ for (uint i = 0; i < mAcceptableDropMimetypes.size(); i++)
+ {
+ if (event->provides(mAcceptableDropMimetypes[i]))
+ {
+ if (item)
+ return (static_cast<KFolderTreeItem*>(item))->acceptDrag(event);
+ else
+ return mAcceptOutside[i];
+ }
+ }
+ return false;
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::addUnreadColumn( const QString & name, int width )
+{
+ mUnreadIndex = addColumn( name, width );
+ setColumnAlignment( mUnreadIndex, qApp->reverseLayout() ? Qt::AlignLeft : Qt::AlignRight );
+ header()->adjustHeaderSize();
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::addTotalColumn( const QString & name, int width )
+{
+ mTotalIndex = addColumn( name, width );
+ setColumnAlignment( mTotalIndex, qApp->reverseLayout() ? Qt::AlignLeft : Qt::AlignRight );
+ header()->adjustHeaderSize();
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::removeUnreadColumn()
+{
+ if ( !isUnreadActive() ) return;
+ removeColumn( mUnreadIndex );
+ if ( isTotalActive() && mTotalIndex > mUnreadIndex )
+ mTotalIndex--;
+ if ( isSizeActive() && mSizeIndex > mUnreadIndex )
+ mSizeIndex--;
+
+ mUnreadIndex = -1;
+ header()->adjustHeaderSize();
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::removeTotalColumn()
+{
+ if ( !isTotalActive() ) return;
+ removeColumn( mTotalIndex );
+ if ( isUnreadActive() && mTotalIndex < mUnreadIndex )
+ mUnreadIndex--;
+ if ( isSizeActive() && mTotalIndex < mSizeIndex )
+ mSizeIndex--;
+ mTotalIndex = -1;
+ header()->adjustHeaderSize();
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::addSizeColumn( const QString & name, int width )
+{
+ mSizeIndex = addColumn( name, width );
+ setColumnAlignment( mSizeIndex, qApp->reverseLayout() ? Qt::AlignLeft : Qt::AlignRight );
+ header()->adjustHeaderSize();
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::removeSizeColumn()
+{
+ if ( !isSizeActive() ) return;
+ removeColumn( mSizeIndex );
+ if ( isUnreadActive() && mSizeIndex < mUnreadIndex )
+ mUnreadIndex--;
+ if ( isTotalActive() && mSizeIndex < mTotalIndex )
+ mTotalIndex--;
+ mSizeIndex = -1;
+ header()->adjustHeaderSize();
+}
+
+
+//-----------------------------------------------------------------------------
+void KFolderTree::setFullWidth( bool fullWidth )
+{
+ if (fullWidth)
+ header()->setStretchEnabled( true, 0 );
+}
+
+//-----------------------------------------------------------------------------
+void KFolderTree::slotSizeChanged( int section, int, int newSize )
+{
+ viewport()->repaint(
+ header()->sectionPos(section), 0, newSize, visibleHeight(), false );
+}
+
+#include "kfoldertree.moc"