TextEdit Class Reference

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#include <textedit.h>

List of all members.

Public Member Functions
	TextEdit (QWidget *parent=0)
	~TextEdit ()
void	setCompleter (QCompleter *c)
QCompleter *	completer () const
Protected Member Functions
void	keyPressEvent (QKeyEvent *e)
void	focusInEvent (QFocusEvent *e)

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Detailed Description

[0]

Definition at line 14 of file textedit.h.

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Constructor & Destructor Documentation

TextEdit::TextEdit

(

QWidget *

parent = 0 )

Definition at line 12 of file textedit.cpp.

: QTextEdit(parent), c(0)
{

}

TextEdit::~TextEdit

(

)

Definition at line 18 of file textedit.cpp.

{
}

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Member Function Documentation

QCompleter * TextEdit::completer

(

)

const

Definition at line 39 of file textedit.cpp.

Referenced by setCompleter().

{
    return c;
}

void TextEdit::focusInEvent

(

QFocusEvent *

e )

[protected]

Definition at line 63 of file textedit.cpp.

{
    if (c)
        c->setWidget(this);
    QTextEdit::focusInEvent(e);
}

void TextEdit::keyPressEvent

(

QKeyEvent *

e )

[protected]

Definition at line 70 of file textedit.cpp.

{
    if (c && c->popup()->isVisible()) {
        // The following keys are forwarded by the completer to the widget
       switch (e->key()) {
       case Qt::Key_Enter:
       case Qt::Key_Return:
       case Qt::Key_Escape:
       case Qt::Key_Tab:
       case Qt::Key_Backtab:
            e->ignore();
            return; // let the completer do default behavior
       default:
           break;
       }
    }

    bool isShortcut = ((e->modifiers() & Qt::ControlModifier) && e->key() == Qt::Key_E); // CTRL+E
    if (!c || !isShortcut) // do not process the shortcut when we have a completer
        QTextEdit::keyPressEvent(e);
//--------------------------------------------------------------------------------
    const bool ctrlOrShift = e->modifiers() & (Qt::ControlModifier | Qt::ShiftModifier);
    if (!c || (ctrlOrShift && e->text().isEmpty()))
        return;

    static QString eow("~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-="); // end of word
    bool hasModifier = (e->modifiers() != Qt::NoModifier) && !ctrlOrShift;
    QString completionPrefix = textUnderCursor();

    if (!isShortcut && (hasModifier || e->text().isEmpty()|| completionPrefix.length() < 1
                      || eow.contains(e->text().right(1)))) {
        c->popup()->hide();
        return;
    }

    if (completionPrefix != c->completionPrefix()) {
        c->setCompletionPrefix(completionPrefix);
        c->popup()->setCurrentIndex(c->completionModel()->index(0, 0));
    }
    QRect cr = cursorRect();
    cr.setWidth(c->popup()->sizeHintForColumn(0)
                + c->popup()->verticalScrollBar()->sizeHint().width());
    c->complete(cr); // popup it up!
}

void TextEdit::setCompleter

(

QCompleter *

c )

Definition at line 22 of file textedit.cpp.

References completer().

{
    if (c)
        QObject::disconnect(c, 0, this, 0);

    c = completer;

    if (!c)
        return;

    c->setWidget(this);
    c->setCompletionMode(QCompleter::PopupCompletion);
    c->setCaseSensitivity(Qt::CaseInsensitive);
    QObject::connect(c, SIGNAL(activated(QString)),
                     this, SLOT(insertCompletion(QString)));
}

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The documentation for this class was generated from the following files:

• E:/sqlmaster/src/textedit.h
• E:/sqlmaster/src/textedit.cpp