[Qt-interest] QTableView with summary footer

[Linos]

El 07/09/11 03:20, Tony Rietwyk escribió:
> 
>> Sent: Wednesday, 7 September 2011 3:02 AM
>>
>> Hi,
>> 	i am trying to create a QTableView subclass that allows me to show a
>> QHeaderView inside the viewport (above the horizontal scrollbar) with
>> summary data of the columns of the model, but i am getting a difficult
> time
>> getting this to work, anyone have created something like this and can
> point
>> me in the correct direction please? Thanks.
>>
>> Regards,
>> Miguel Angel.
> 
> Hi Miguel, 
> 
> Instead of overriding QTableView,  I used a plain QWidget with two
> QTableWidgets.  In my case, the columns fit within the window, so the
> horizontal scroll bar is not an issue.  Have a look at
> QAbstractScrollArea.setViewportMargins to get the summary between the
> viewport and the scroll bar.  
> 
> Hope this helps, 
> 
> Tony.
> 
> 
> 
> In the contructor: 
> 
> 	report = new QTableWidget( this );
> 	report->setObjectName( "ReportBody" );
> 	report->setSelectionMode( QAbstractItemView::SingleSelection );
> 	report->setSelectionBehavior( QAbstractItemView::SelectRows );
> 	report->setEditTriggers( QAbstractItemView::NoEditTriggers );
> 	report->verticalHeader()->setVisible( false );
> 	report->horizontalHeader()->setHighlightSections( false );
> 	report->horizontalHeader()->setClickable( false );
> 	report->horizontalHeader()->setMovable( false );
> 
> 	summary = new QTableWidget( this );
> 	summary->setObjectName( "ReportSummary" );
> 	summary->setEditTriggers( QAbstractItemView::NoEditTriggers );
> 	summary->setFixedHeight( 20 );
> 	summary->setSizePolicy( QSizePolicy::MinimumExpanding,
> QSizePolicy::Fixed );
> 	summary->verticalHeader()->setVisible( false );
> 	summary->horizontalHeader()->setHighlightSections( false );
> 	summary->horizontalHeader()->setClickable( false );
> 	summary->horizontalHeader()->setMovable( false );
> 	summary->horizontalHeader()->setResizeMode( QHeaderView::Fixed );
> 
> 	connect( report->horizontalHeader(),
> SIGNAL(sectionResized(int,int,int)), 
> 		SLOT(reportSectionResized(int,int,int)) );
> 
> 	QVBoxLayout *lay = new QVBoxLayout();
> 	lay->addWidget( report, 1 );
> 	lay->addWidget( summary );
> 	lay->setSpacing( 0 );
> 	lay->setMargin( 0 );
> 
> 	delete layout();
> 	setLayout( lay );
> 
> The slot just consists of: 
> 
> void ReportGrid::reportSectionResized(int logicalIndex,  int oldSize,  int
> newSize)
> {
> 	Q_UNUSED( oldSize );
> 
> 	summary->horizontalHeader()->resizeSection( logicalIndex, newSize );
> }
> 

This was going to be my next try so know that would work well helps me, thanks Tony.

It is somewhat impressive for me how difficult it is to add a footer to a table
in Qt, it seems to be designed against this common feature.

Regards,
Miguel Angel.