ExpressionEditor Class Reference

A multi-line text editor which lets to input formula and provides a list of completion strings. More...

Inheritance diagram for ExpressionEditor:

Public Slots
void	insertCompletion (const QString &theCompletion, bool isSingleWord=false)
	Insert additional string for completion. More...
void	performCompletion ()
	Perform completion. More...
void	onTextChanged ()
	A slot for processing text changed event. More...

Signals
void	valueModified ()
	The signal about text change in the text editor. More...
void	keyReleased (QObject *theObject, QKeyEvent *theEvent)
	The signal about key release on the control, that corresponds to the attribute. More...

Public Member Functions
	ExpressionEditor (QWidget *theParent=0)
	Constructor. More...
void	setCompletionList (QStringList &)
	Set list of completion strings. More...
void	setPlaceHolderText (const QString &)
	Set a text which will be shown when the listr is empty. More...
QString	placeHolderText () const
	Returns placeholder list. More...

Protected Member Functions
void	performCompletion (const QString &theCompletionPrefix)
	Perform completion by prefix. More...
virtual void	keyPressEvent (QKeyEvent *theEvent)
	Redefinition of virtual method. More...
bool	handledCompletedAndSelected (QKeyEvent *theEvent)
	Key events processing theEvent a key event. More...
virtual void	paintEvent (QPaintEvent *)
	Redefinition of virtual method. More...

Detailed Description

A multi-line text editor which lets to input formula and provides a list of completion strings.

Constructor & Destructor Documentation

ExpressionEditor()

ExpressionEditor::ExpressionEditor ( QWidget *  theParent = 0 )

explicit

Constructor.

Parameters

theParent

a parent widget

Member Function Documentation

setCompletionList()

void ExpressionEditor::setCompletionList

(

QStringList &

theList

)

Set list of completion strings.

setPlaceHolderText()

void ExpressionEditor::setPlaceHolderText

(

const QString &

thePlaceHolderText

)

Set a text which will be shown when the listr is empty.

placeHolderText()

QString ExpressionEditor::placeHolderText

(

)

const

Returns placeholder list.

insertCompletion

void ExpressionEditor::insertCompletion ( const QString &  theCompletion, bool  isSingleWord = false  )

slot

Insert additional string for completion.

Parameters

theCompletion	a string to insert
isSingleWord	a flag shows that inserted string is single word or not

performCompletion [1/2]

void ExpressionEditor::performCompletion ( )

slot

Perform completion.

onTextChanged

void ExpressionEditor::onTextChanged ( )

slot

A slot for processing text changed event.

valueModified

void ExpressionEditor::valueModified ( )

signal

The signal about text change in the text editor.

keyReleased

void ExpressionEditor::keyReleased ( QObject *  theObject, QKeyEvent *  theEvent  )

signal

The signal about key release on the control, that corresponds to the attribute.

Parameters

theObject	a sender of the event
theEvent	key release event

performCompletion() [2/2]

void ExpressionEditor::performCompletion ( const QString &  theCompletionPrefix )

protected

Perform completion by prefix.

Parameters

theCompletionPrefix

a prefix for looking for completion

keyPressEvent()

void ExpressionEditor::keyPressEvent ( QKeyEvent *  theEvent )

protectedvirtual

Redefinition of virtual method.

Parameters

theEvent

a key press event

handledCompletedAndSelected()

bool ExpressionEditor::handledCompletedAndSelected ( QKeyEvent *  theEvent )

protected

Key events processing theEvent a key event.

paintEvent()

void ExpressionEditor::paintEvent ( QPaintEvent *  theEvent )

protectedvirtual

Redefinition of virtual method.