qtreetooltip.cpp #1

// Implementation of QTreeToolTip.

#include <clientapi.h>
#include <qcanvas.h>
#include <qtooltip.h>

#include "qtreeitem.h"

#include "clientchangeuser.h"
#include "clientjobdescuser.h"

#include "qtreerevball.h"
#include "qtreefiletext.h"
#include "qtreechangenum.h"
#include "qtreejobtext.h"

#include "qtreetooltip.h"


QTreeToolTip::QTreeToolTip( QCanvasView* parent )
: QToolTip( parent->viewport() ), view( parent )
{

}

QTreeToolTip::~QTreeToolTip()
{

}

void QTreeToolTip::maybeTip( const QPoint& p )
{
	QPoint pos = view->viewportToContents( p );
	QCanvasItemList items = view->canvas()->collisions( pos );
	QCanvasItem* item = NULL;
	int rtti = 0;
	while ( !items.empty() )
	{
		item = items.front();
		rtti = item ? item->rtti() : 0;
		if ( rtti == RTTI_REV || 
			 rtti == RTTI_FILE ||
			 rtti == RTTI_JOB ||
			 rtti == RTTI_CHANGE ) break;
		items.pop_front();
	}
	if ( rtti != RTTI_REV && 
		 rtti != RTTI_FILE &&
		 rtti != RTTI_JOB &&
		 rtti != RTTI_CHANGE )
		return;

	QString tiptext;
	switch ( rtti )
	{
	case RTTI_REV:
		tiptext = ( (QTreeRevBall*)item )->Tip();
		break;
	case RTTI_JOB:
		tiptext = ( (QTreeJobText*)item )->Tip();
		break;
	case RTTI_FILE:
		tiptext = ( (QTreeFileText*)item )->Tip();
		break;
	case RTTI_CHANGE:
		tiptext = ( (QTreeChangeNum*)item )->Tip();
		break;
	}

	QRect crect = item->boundingRect();
	QRect vrect = QRect
		( view->contentsToViewport( crect.topLeft() ), crect.size() );

	tip( vrect, tiptext );
}