BackTabTextEdit Class Reference

Inheritance diagram for BackTabTextEdit:

[legend]Collaboration diagram for BackTabTextEdit:

[legend]List of all members.

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Detailed Description

Definition at line 86 of file msgedit.cpp.

Public Member Functions
	BackTabTextEdit (QWidget *parent=0)
virtual QVariant	loadResource (int type, const QUrl &name)
virtual void	keyPressEvent (QKeyEvent *e)
virtual void	focusInEvent (QFocusEvent *e)
Public Attributes
QMap< QUrl, QImage >	m_backTabOmages
QImage	m_tabImg
QImage	m_newlineImg

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Constructor & Destructor Documentation

BackTabTextEdit::BackTabTextEdit

(

QWidget *

parent = 0

)

[inline]

Definition at line 89 of file msgedit.cpp.

: QTextEdit(parent) { }

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Member Function Documentation

QVariant BackTabTextEdit::loadResource	(	int	type,
		const QUrl &	name
	)			[virtual]

Loads the resource specified by the given type and name.

This function is an extension of QTextDocument::loadResource().

See also:

QTextDocument::loadResource()

Reimplemented from QTextEdit.

Definition at line 101 of file msgedit.cpp.

References QTextDocument::addResource(), QString::arg(), QFontMetrics::ascent(), MessageEditor::backTab, backTabImages, Qt::blue, QFontMetrics::boundingRect(), QTextEdit::document(), QImage::fill(), QWidget::font(), QImage::Format_RGB32, MessageEditor::friendlyBackTab, QString::fromAscii(), h, QFontMetrics::height(), i, QTextDocument::ImageResource, QMap< Key, T >::insert(), QImage::isNull(), m_backTabOmages, name, p, qRgb(), qstrlen(), QFont::setItalic(), QMap< Key, T >::value(), w, and QRect::width().

{
    QImage img;
    if (type == QTextDocument::ImageResource) {
        img = m_backTabOmages.value(name);
        if (img.isNull()) {
            for (uint i = 0; i < qstrlen(MessageEditor::backTab); ++i) {
                if (backTabImages[i] && name == QUrl(QLatin1String(backTabImages[i]))) {

                    QFont fnt = font();
                    fnt.setItalic(true);
                    QFontMetrics fm(fnt);
                    int h = fm.height();
                    
                    QString str = QString::fromAscii("(%1)").arg(MessageEditor::friendlyBackTab[i]);
                    int w = fm.boundingRect(str).width() + 1;   //###
                    QImage textimg(w, h, QImage::Format_RGB32);
                    textimg.fill(qRgb(255,255,255));

                    QPainter p(&textimg);
                    p.setPen(QColor(Qt::blue));
                    p.setFont(fnt);
                    p.drawText(0, fm.ascent(), str);            //###
                    document()->addResource(QTextDocument::ImageResource, QUrl(QLatin1String(backTabImages[i])), textimg);

                    m_backTabOmages.insert(name, textimg);
                    return textimg;
                }
            }                
        }
    }
    return img;
}

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void BackTabTextEdit::keyPressEvent

(

QKeyEvent *

e

)

[virtual]

Reimplemented from QTextEdit.

Definition at line 142 of file msgedit.cpp.

References QEvent::accept(), QTextCursor::anchor(), QTextCursor::atBlockEnd(), QTextCursor::atBlockStart(), QTextCursor::atEnd(), QTextCursor::atStart(), QTextCursor::beginEditBlock(), QObject::blockSignals(), QTextCursor::charFormat(), QTextEdit::document(), QTextCursor::endEditBlock(), QTextCursor::insertBlock(), QTextCursor::insertImage(), QTextFormat::isImageFormat(), QTextCursor::KeepAnchor, QKeyEvent::key(), Qt::Key_Backspace, Qt::Key_Delete, Qt::Key_Enter, Qt::Key_Return, Qt::Key_Tab, Qt::KeypadModifier, QTextEdit::keyPressEvent(), QKeyEvent::modifiers(), QTextCursor::movePosition(), newlineImageName, QTextCursor::NextCharacter, Qt::NoModifier, QTextCursor::position(), QTextCursor::PreviousCharacter, QTextCursor::removeSelectedText(), tabImageName, and QTextEdit::textCursor().

{
    bool eatevent = false;
    QTextCursor tc = textCursor();
    if (e->modifiers() == Qt::NoModifier) {
        switch (e->key()) {
        case Qt::Key_Tab: {
            tc = textCursor();
            tc.insertImage(QLatin1String(tabImageName));
            eatevent = true;
            break; }
        case Qt::Key_Return: {
            tc = textCursor();
            document()->blockSignals(true);
            tc.beginEditBlock();
            tc.insertImage(QLatin1String(newlineImageName));
            document()->blockSignals(false);
            tc.insertBlock();
            tc.endEditBlock();
            eatevent = true;
            break; }
        case Qt::Key_Backspace: 
            if (tc.anchor() == tc.position()) {
                QTextCursor tc = textCursor();
                if (!tc.atStart() && tc.atBlockStart()) {
                    tc.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor, 1);
                    QTextCharFormat fmt = tc.charFormat();
                    if (fmt.isImageFormat()) {
                        tc.movePosition(QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor, 1);
                    }
                    tc.removeSelectedText();
                    eatevent = true;
                }
            }
            break;
        case Qt::Key_Delete:
            if (tc.anchor() == tc.position()) {
                QTextCursor tc = textCursor();
                tc.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, 1);
                QTextCharFormat fmt = tc.charFormat();
                if (fmt.isImageFormat()) {
                    if (!tc.atEnd() && tc.atBlockEnd()) {
                        tc.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, 1);
                    }
                    tc.removeSelectedText();
                    eatevent = true;
                }
            }
            break;
        }
    }
    // Also accept Key_Enter on the numpad
    if (e->modifiers() == Qt::KeypadModifier && e->key() == Qt::Key_Enter) {
        tc = textCursor();
        document()->blockSignals(true);
        tc.beginEditBlock();
        tc.insertImage(QLatin1String(newlineImageName));
        document()->blockSignals(false);
        tc.insertBlock();
        tc.endEditBlock();
        eatevent = true;
    }


    if (eatevent) e->accept();
    else QTextEdit::keyPressEvent(e);
}

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void BackTabTextEdit::focusInEvent

(

QFocusEvent *

e

)

[virtual]

Reimplemented from QTextEdit.

Definition at line 135 of file msgedit.cpp.

References QTextEdit::focusInEvent(), TransEditor::gotFocusInEvent(), and QObject::parent().

{
    TransEditor *te = qobject_cast<TransEditor*>(parent());
    te->gotFocusInEvent(e);
    QTextEdit::focusInEvent(e);
}

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Member Data Documentation

QMap<QUrl, QImage> BackTabTextEdit::m_backTabOmages

Definition at line 96 of file msgedit.cpp.

Referenced by loadResource().

QImage BackTabTextEdit::m_tabImg

Definition at line 97 of file msgedit.cpp.

QImage BackTabTextEdit::m_newlineImg

Definition at line 98 of file msgedit.cpp.

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

• tools/linguist/linguist/msgedit.cpp

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