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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#include <QTextDocument>
#include <QTextCursor>
#include <QTextDocumentFragment>
#include <QApplication>
#include <QClipboard>
#include <MInputMethodState>
#include "mrichtextedit.h"
#include "mrichtextedit_p.h"
#include "mwidgetcreator.h"
M_REGISTER_WIDGET(MRichTextEdit)
namespace
{
//! Toolbar file
const QString ToolbarFile = QString("/usr/share/meegotouch/imtoolbars/RichTextEditorToolbar1.xml");
MTextEditModel *createRichTextModel(MTextEditModel::LineMode type, const QString &text)
{
MTextEditModel *model = new MTextEditModel;
model->setDocument(new QTextDocument(text, model));
model->setLine(type);
return model;
}
}
MRichTextEditPrivate::MRichTextEditPrivate()
: MTextEditPrivate()
{
}
MRichTextEditPrivate::~MRichTextEditPrivate()
{
}
bool MRichTextEditPrivate::insertFromMimeData(const QMimeData *source)
{
Q_Q(MRichTextEdit);
QTextDocumentFragment fragment;
bool updated = false;
if (source->hasHtml()) {
fragment = QTextDocumentFragment::fromHtml(source->html());
updated = true;
} else {
QString text = source->text();
if (!text.isNull()) {
fragment = QTextDocumentFragment::fromPlainText(text);
updated = true;
}
}
if (updated) {
QTextCursor textcursor = q->textCursor();
textcursor.insertFragment(fragment);
q->setTextCursor(textcursor);
}
return updated;
}
QMimeData *MRichTextEditPrivate::createMimeDataFromSelection()
{
Q_Q(MRichTextEdit);
const QTextDocumentFragment fragment(q->textCursor());
QMimeData *mimeData = new QMimeData();
mimeData->setData(QLatin1String("text/html"), fragment.toHtml("utf-8").toUtf8());
mimeData->setText(fragment.toPlainText());
return mimeData;
}
bool MRichTextEditPrivate::copy()
{
Q_Q(MRichTextEdit);
QClipboard *clipboard = QApplication::clipboard();
if (!q->hasSelectedText()
|| q->echoMode() != MTextEditModel::Normal // only allow copy from normal echo mode entry
|| !clipboard) {
return false;
}
clipboard->setMimeData(createMimeDataFromSelection());
return true;
}
void MRichTextEditPrivate::_q_updateStyle()
{
Q_Q(MRichTextEdit);
QTextCursor cursor = q->textCursor();
QTextCharFormat format = cursor.charFormat();
MInputMethodState::instance()->setToolbarItemAttribute(q->attachedToolbarId(),
"Bold",
"pressed",
QVariant((format.fontWeight() > QFont::Normal) ? "true" : "false"));
MInputMethodState::instance()->setToolbarItemAttribute(q->attachedToolbarId(),
"Underline",
"pressed",
QVariant((format.fontUnderline()) ? "true" : "false"));
MInputMethodState::instance()->setToolbarItemAttribute(q->attachedToolbarId(),
"Italic",
"pressed",
QVariant((format.fontItalic()) ? "true" : "false"));
}
///////////////////////////////////////////////
// Actual class implementation
MRichTextEdit::MRichTextEdit(MTextEditModel::LineMode type, const QString &text, QGraphicsItem *parent)
: MTextEdit(new MRichTextEditPrivate, createRichTextModel(type, text), parent)
{
connect(this,
SIGNAL(cursorPositionChanged()),
SLOT(_q_updateStyle()));
attachToolbar(ToolbarFile);
}
MRichTextEdit::MRichTextEdit(MTextEditModel *model, QGraphicsItem *parent)
: MTextEdit(new MRichTextEditPrivate, model, parent)
{
connect(this,
SIGNAL(cursorPositionChanged()),
SLOT(_q_updateStyle()));
attachToolbar(ToolbarFile);
}
MRichTextEdit::~MRichTextEdit()
{
}
void MRichTextEdit::copy()
{
Q_D(MRichTextEdit);
d->copy();
}
void MRichTextEdit::paste()
{
Q_D(MRichTextEdit);
QClipboard *clipboard = QApplication::clipboard();
if (isReadOnly() || !clipboard) {
return;
}
const QMimeData *mimedata = clipboard->mimeData();
bool updated = false;
if (mimedata)
updated = d->insertFromMimeData(mimedata);
if (updated) {
emit textChanged();
updateMicroFocus();
}
}
void MRichTextEdit::cut()
{
MTextEdit::cut();
}
void MRichTextEdit::setFontUnderline(bool underline)
{
Q_D(MRichTextEdit);
if (d->isPreediting() == true) {
d->addStyleToPreeditStyling(MRichTextEditPrivate::Underline, underline);
} else {
QTextCursor textcursor = textCursor();
QTextCharFormat format;
format.setFontUnderline(underline);
textcursor.mergeCharFormat(format);
setTextCursor(textcursor);
}
}
void MRichTextEdit::setFontItalic(bool italic)
{
Q_D(MRichTextEdit);
if (d->isPreediting() == true) {
d->addStyleToPreeditStyling(MRichTextEditPrivate::Italic, italic);
} else {
QTextCursor textcursor = textCursor();
QTextCharFormat format;
format.setFontItalic(italic);
textcursor.mergeCharFormat(format);
setTextCursor(textcursor);
}
}
void MRichTextEdit::setFontBold(bool bold)
{
Q_D(MRichTextEdit);
if (d->isPreediting() == true) {
d->addStyleToPreeditStyling(MRichTextEditPrivate::Bold, bold);
} else {
QTextCursor textcursor = textCursor();
QFont font = document()->defaultFont();
QFont::Weight defaultWeight = static_cast<QFont::Weight>(font.weight());
QFont::Weight wt = (bold ? QFont::Bold : defaultWeight);
QTextCharFormat format;
format.setFontWeight(wt);
textcursor.mergeCharFormat(format);
setTextCursor(textcursor);
}
}
QFont MRichTextEdit::currentFont()
{
QTextCursor textcursor = textCursor();
return textcursor.charFormat().font();
}
void MRichTextEdit::keyPressEvent(QKeyEvent *event)
{
if (QEvent::KeyPress == event->type()) {
if (event->matches(QKeySequence::Bold)) {
QFont curFont = currentFont();
bool boldStyle = !curFont.bold();
// set current bold style option
setFontBold(boldStyle);
} else if (event->matches(QKeySequence::Italic)) {
QFont curFont = currentFont();
bool italicStyle = !curFont.italic();
// set current italic style option
setFontItalic(italicStyle);
} else if (event->matches(QKeySequence::Underline)) {
QFont curFont = currentFont();
bool underlineStyle = !curFont.underline();
// set current underline style option
setFontUnderline(underlineStyle);
} else {
// Pass the remaining events to MTextEdit will handle
MTextEdit::keyPressEvent(event);
}
}
}
#include "moc_mrichtextedit.cpp"
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