kwqtextedit.cpp

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/*
 * Copyright (C) 2004 Apple Computer, Inc.  All rights reserved.
 * Portions Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "KWQTextEdit.h"
#include "WebCoreFormControlFactory.h"

QTextEdit::QTextEdit(QWidget *parent)
    : _clicked(this, SIGNAL(clicked()))
    , _textChanged(this, SIGNAL(textChanged()))
{
    TInputType inputType (ETextArea);

    _textWidget = TWebCoreFormControlFactory::Factory()->ConstructText(inputType );
	if (_textWidget)
	{
    _textWidget->SetEventHandler(this);
    setView(_textWidget);
	}
}

QTextEdit::~QTextEdit()
{
	if (_textWidget)
	{
		_textWidget->Close();
	}
}


void QTextEdit::setText(const QString &string)
{
	if (_textWidget)
	{
		_textWidget->SetText(string.Des());
	}
}

QString QTextEdit::text() const
{
	if (_textWidget)
	{
		return QString::FromDes(_textWidget->Text());
	}
	return QString();
}

QString QTextEdit::textWithHardLineBreaks() const
{
	return text();
}

void QTextEdit::getCursorPosition(int *paragraph, int *index) const
{
// ### NOT IMPLEMENTED
}

void QTextEdit::setCursorPosition(int paragraph, int index)
{
// ### NOT IMPLEMENTED
}

QTextEdit::WrapStyle QTextEdit::wordWrap() const
{
// by default text is wrapped to the widget wdith
    return WidgetWidth;
}

void QTextEdit::setWordWrap(WrapStyle style)
{
// ### NOT IMPLEMENTED - by default text is wrapped to the widget wdith
}

void QTextEdit::setScrollBarModes(ScrollBarMode hMode, ScrollBarMode vMode)
{
    // ### NOT IMPLEMENTED scrollbar modes

    /*KWQTextArea *textView = (KWQTextArea *)getView();

    KWQ_BLOCK_EXCEPTIONS;

    // this declaration must be inside the KWQ_BLOCK_EXCEPTIONS block or the deployment build fails
    bool autohides = hMode == Auto || vMode == Auto;

    ASSERT(!autohides || hMode != AlwaysOn);
    ASSERT(!autohides || vMode != AlwaysOn);

    [textView setHasHorizontalScroller:hMode != AlwaysOff];
    [textView setHasVerticalScroller:vMode != AlwaysOff];
    [textView setAutohidesScrollers:autohides];

    KWQ_UNBLOCK_EXCEPTIONS;*/
}

bool QTextEdit::isReadOnly() const
{
	if (_textWidget)
	{
		return _textWidget->IsReadOnly();
	}
	return false;
}

void QTextEdit::setReadOnly(bool flag)
{
	if (_textWidget)
	{
		_textWidget->SetReadOnly(flag);
	}
}

bool QTextEdit::isDisabled() const
{
	if (_textWidget)
	{
		return _textWidget->IsDisabled();
	}
	return false;
}

void QTextEdit::setDisabled(bool flag)
{
	if (_textWidget)
	{
		_textWidget->SetDisabled(flag);
	}
}

void QTextEdit::selectAll()
{
// ### NOT IMPLEMENTED  - to check if we need implementation
}

void QTextEdit::setFont(const QFont &font)
{
	QWidget::setFont(font);
	if (_textWidget)
	{
		QFont fontCpy = font;
		CFont* symFont = const_cast<CFont*>(fontCpy.Font());
		_textWidget->SetFont(symFont );
	}
}

bool QTextEdit::isActive() const
{
	if (_textWidget)
	{
		return _textWidget->IsActive();
	}
	return false;
}

void QTextEdit::deActivate(bool acceptChanges)
{
	if (_textWidget)
	{
		_textWidget->DeActivate(acceptChanges);
	}
}


void QTextEdit::clicked()
{
    _clicked.call();
}

void QTextEdit::setAlignment(AlignmentFlags alignment)
{
/*
    KWQ_BLOCK_EXCEPTIONS;

    KWQTextArea *textArea = getView();
    [textArea setAlignment:KWQNSTextAlignmentForAlignmentFlags(alignment)];

    KWQ_UNBLOCK_EXCEPTIONS;
    */
}

void QTextEdit::setWritingDirection(QPainter::TextDirection direction)
{
/*
    KWQ_BLOCK_EXCEPTIONS;

    KWQTextArea *textArea = getView();
    [textArea setBaseWritingDirection:(direction == QPainter::RTL ? NSWritingDirectionRightToLeft : NSWritingDirectionLeftToRight)];

    KWQ_UNBLOCK_EXCEPTIONS;
    */
}

QSize QTextEdit::sizeWithColumnsAndRows(int numColumns, int numRows) const
{
	if (_textWidget)
	{
		_textWidget->SetSize(numColumns);
		_textWidget->SetHeight(numRows);
		return QSize(_textWidget->SizeForCharacterWidth(numColumns));
	}
	return QSize(0,0);
}


QRect QTextEdit::frameGeometry() const
{
	if(_textWidget)
	{
		return QRect(_textWidget->Rect());
	}
	return QRect();
}

void QTextEdit::setFrameGeometry(const QRect &r)
{
	if(_textWidget)
	{
		_textWidget->SetRect(r.Rect());
	}
}


QWidget::FocusPolicy QTextEdit::focusPolicy() const
{
	return TabFocus;
}

bool QTextEdit::checksDescendantsForFocus() const
{
    return true;
}

void QTextEdit::setPalette(const QPalette &palette)
{
    QWidget::setPalette(palette);

    /*KWQTextArea *textArea = getView();

    KWQ_BLOCK_EXCEPTIONS;

    // Below is a workaround for the following AppKit bug which causes transparent backgrounds to be
    // drawn opaque <rdar://problem/3142730>.  Without this workaround, some textareas would be drawn with black backgrounds
    // as described in <rdar://problem/3854383>.  We now call setDrawsBackground:NO when the background color is completely
    // transparent.  This does not solve the problem for translucent background colors for textareas <rdar://problem/3865161>.

    [textArea setTextColor:palette.foreground().getNSColor()];

    QColor background = palette.background();
    if (!background.isValid())
        background = Qt::white;
    [textArea setBackgroundColor:background.getNSColor()];
    [textArea setDrawsBackground:background.alpha() != 0];

    KWQ_UNBLOCK_EXCEPTIONS;*/
}

void QTextEdit::paint(QPainter *aPainter, const QRect& aRect)
{
	TRect rect = aRect.Rect();
	if (_textWidget)
	{
		_textWidget->Draw(aPainter->Gc(), rect);
	}
}

void QTextEdit::HandleEvent(TEvent aEvent)
{
	if(aEvent == EValueChanged)
	{
		textChanged();
	}
	else if (aEvent == EFocusOut && eventFilterObject())
	{
        QFocusEvent event(QEvent::FocusOut);
        const_cast<QObject *>(eventFilterObject())->eventFilter(this, &event);
	}

}