/****************************************************************************

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** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

** packaging of this file.  Please review the following information to

** ensure the GNU Lesser General Public License version 2.1 requirements

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****************************************************************************/

#include "qscriptdebugoutputwidget_p.h"

#include "qscriptdebugoutputwidgetinterface_p_p.h"

#include <QtCore/qdebug.h>

#include <QtGui/qboxlayout.h>

#include <QtGui/qplaintextedit.h>

#include <QtGui/qscrollbar.h>

QT_BEGIN_NAMESPACE

namespace {

class OutputEdit : public QPlainTextEdit

{

public:

    OutputEdit(QWidget *parent = 0)

        : QPlainTextEdit(parent)

    {

        setReadOnly(true);

//        setFocusPolicy(Qt::NoFocus);

        setMaximumBlockCount(2500);

    }

    void scrollToBottom()

    {

        QScrollBar *bar = verticalScrollBar();

        bar->setValue(bar->maximum());

    }

    int charactersPerLine() const

    {

        QFontMetrics fm(font());

        return width() / fm.maxWidth();

    }

};

} // namespace

class QScriptDebugOutputWidgetPrivate

    : public QScriptDebugOutputWidgetInterfacePrivate

{

    Q_DECLARE_PUBLIC(QScriptDebugOutputWidget)

public:

    QScriptDebugOutputWidgetPrivate();

    ~QScriptDebugOutputWidgetPrivate();

    OutputEdit *outputEdit;

};

QScriptDebugOutputWidgetPrivate::QScriptDebugOutputWidgetPrivate()

{

}

QScriptDebugOutputWidgetPrivate::~QScriptDebugOutputWidgetPrivate()

{

}

QScriptDebugOutputWidget::QScriptDebugOutputWidget(QWidget *parent)

    : QScriptDebugOutputWidgetInterface(*new QScriptDebugOutputWidgetPrivate, parent, 0)

{

    Q_D(QScriptDebugOutputWidget);

    d->outputEdit = new OutputEdit();

    QVBoxLayout *vbox = new QVBoxLayout(this);

    vbox->setMargin(0);

    vbox->setSpacing(0);

    vbox->addWidget(d->outputEdit);

#ifndef QT_NO_STYLE_STYLESHEET

    QString sheet = QString::fromLatin1("font-size: 14px; font-family: \"Monospace\";");

    setStyleSheet(sheet);

#endif

}

QScriptDebugOutputWidget::~QScriptDebugOutputWidget()

{

}

void QScriptDebugOutputWidget::message(

    QtMsgType type, const QString &text, const QString &fileName,

    int lineNumber, int columnNumber, const QVariant &/*data*/)

{

    // ### unify with QScriptDebuggerConsoleWidget::message()

    Q_D(QScriptDebugOutputWidget);

    QString msg;

    if (!fileName.isEmpty() || (lineNumber != -1)) {

        if (!fileName.isEmpty())

            msg.append(fileName);

        else

            msg.append(QLatin1String("<noname>"));

        if (lineNumber != -1) {

            msg.append(QLatin1Char(':'));

            msg.append(QString::number(lineNumber));

            if (columnNumber != -1) {

                msg.append(QLatin1Char(':'));

                msg.append(QString::number(columnNumber));

            }

        }

        msg.append(QLatin1String(": "));

    }

    msg.append(text);

    QTextCharFormat oldFmt = d->outputEdit->currentCharFormat();

    QTextCharFormat fmt(oldFmt);

    if (type == QtCriticalMsg) {

        fmt.setForeground(Qt::red);

        d->outputEdit->setCurrentCharFormat(fmt);

    }

    d->outputEdit->appendPlainText(msg);

    d->outputEdit->setCurrentCharFormat(oldFmt);

    d->outputEdit->scrollToBottom();

}

void QScriptDebugOutputWidget::clear()

{

    Q_D(QScriptDebugOutputWidget);

    d->outputEdit->clear();

}

QT_END_NAMESPACE