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qt3/examples/helpsystem/tooltip.cpp

53 lines
1.5 KiB

/****************************************************************************
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of an example program for Qt. This example
** program may be used, distributed and modified without limitation.
**
*****************************************************************************/
#include <qtooltip.h>
#include <qtable.h>
#include "tooltip.h"
HeaderToolTip::HeaderToolTip( QHeader *header, QToolTipGroup *group )
: QToolTip( header, group )
{
}
void HeaderToolTip::maybeTip ( const QPoint& p )
{
QHeader *header = (QHeader*)parentWidget();
int section = 0;
if ( header->orientation() == Horizontal )
section = header->sectionAt( header->offset() + p.x() );
else
section = header->sectionAt( header->offset() + p.y() );
QString tipString = header->label( section );
tip( header->sectionRect( section ), tipString, "This is a section in a header" );
}
TableToolTip::TableToolTip( QTable *tipTable, QToolTipGroup *group )
: QToolTip( tipTable->viewport(), group ), table( tipTable )
{
}
void TableToolTip::maybeTip ( const QPoint &p )
{
QPoint cp = table->viewportToContents( p );
int row = table->rowAt( cp.y() );
int col = table->columnAt( cp.x() );
QString tipString = table->text( row, col );
QRect cr = table->cellGeometry( row, col );
cr.moveTopLeft( table->contentsToViewport( cr.topLeft() ) );
tip( cr, tipString, "This is a cell in a table" );
}