Hi All,
This is a simple problem but I'm having tough time to solve this.

My Problem::::
I have a QTextEdit, where the user can input text in it. Now I want to fix the number of lines say by 14. ie. I need to fix the contents height for QTextEdit. There should not be a scrollView and its contents should not move up/down. I have tried out the solution but is unable to fix the contents height

Here is what I have done

Qt Code: 
  1. //header.cpp
  2. ChemHeader::ChemHeader(QWidget* parent, const char* name )
  3. :QFrame ( parent, name )
  4. {	
  5. 	setBackgroundColor(Qt::white);
  6. 	_headerText = new QTextEdit(this);	
  7.  
  8. 	_headerLabel = new QLabel(this);
  9. 	_headerLabel->setText("Header");
  10. 	_headerLabel->setBackgroundColor(Qt::white);
  11. 	_headerText->setFocus();
  12. 	QRect rec = frameRect();
  13. 	QPoint p= rec.topLeft();
  14. 	_headerLabel->setGeometry(p.x()+10, p.y(), 45, 10);	
  15.  
  16. 	QRect labelRect = _headerLabel->geometry();
  17. 	QPoint pp = labelRect.bottomLeft();
  18.  
  19. 	_headerText->setGeometry(p.x(), pp.y()+3, width(),height()-_headerLabel->height()-20);		
  20.  
  21. 	_headerText->setHScrollBarMode(QScrollView::AlwaysOff);	
  22. 	_headerText->setWrapPolicy ( QTextEdit::AtWordOrDocumentBoundary );
  23. 	connect(_headerText, SIGNAL(textChanged()), this, SLOT( slotHeaderTextChanged())); 
  24.  
  25. 	_headerNoOfLines = 2;				
  26. 	_headerMaxHeight = parent->height()/3;	
  27.                  //set Maximum height
  28. 	_headerText->setMaximumHeight(_headerMaxHeight);
  29. }
  30.  
  31. ChemHeader::~ChemHeader()
  32. {}
  33.  
  34. //_headerText  is a QTextEdit
  35. void ChemHeader::slotHeaderTextChanged()
  36. {	
  37. 	int noOfLines = _headerText->lines();
  38.  
  39. 	QFont f = _headerText->currentFont();
  40. 	QFontMetrics fm(f);
  41. 	int ht = fm.height();
  42. 	if(noOfLines > _headerNoOfLines)
  43. 	{
  44. 		#ifdef _WIN32
  45. 			resize(width(), height()+(ht) );
  46. 		#else
  47. 			resize(width(), height()+(ht+1) );
  48. 		#endif		
  49. 		_headerText->resize(width(), height() -_headerLabel->height()-2);
  50. 		_headerNoOfLines = noOfLines;		
  51. 	}
  52. 	else if( _headerNoOfLines > 2 && noOfLines < _headerNoOfLines)	
  53. 	{
  54. 		#ifdef _WIN32
  55. 			resize(width(), height()-(ht) );
  56. 		#else
  57. 			resize(width(), height()-(ht+1) );
  58. 		#endif		
  59. 		_headerText->resize(width(), height()-_headerLabel->height()-2);
  60. 		_headerNoOfLines--;		
  61. 	}
  62. }
  63.  
  64. void ChemHeader::resizeEvent(QResizeEvent*)
  65. {
  66. 	if(height() > _headerMaxHeight)
  67. 	{
  68.  
  69. 	}
  70. }
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Any suggestions will be highly appreciated
Thankx