/ceb/src/url_textedit.cpp

/* This file is part of CeB.
 * Copyright (C) 2005  Guillaume Denry
 *
 * CeB is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * any later version.
 *
 * CeB is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with CeB; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include "common.h"
#include "profile.h"
#include "url_textedit.h"

#ifdef DEBUG_NEW
#define new DEBUG_NEW
#endif

QColor UrlTextEdit::_textBackgroundColor = QColor(0, 0, 0, 0);


UrlTextEdit::UrlTextEdit(QWidget *parent) : QTextBrowser(parent)
{
    connect(this, SIGNAL(anchorClicked(const QUrl &)),
            this, SLOT(myAnchorClicked(const QUrl &)));

    isAway = false;
}

void UrlTextEdit::openUrl(const QUrl &link, bool forcesystem)
{
    // Custom browser?
    if (Profile::instance().linksCustomBrowser.isEmpty() || forcesystem)
        QDesktopServices::openUrl(link);
    else
    {
        QStringList args;
        QProcess process;
        args << link.toString();
        process.startDetached(Profile::instance().linksCustomBrowser, args);
    }
}

void UrlTextEdit::myAnchorClicked(const QUrl &link)
{
    if (link.scheme().isEmpty() && link.host().isEmpty() && link.toString().contains('@'))
        openUrl(QUrl("mailto:" + link.toString()), true);
    if (link.scheme().isEmpty() && link.toString().contains("www."))
        openUrl(QUrl("http://" + link.toString()));
    else if (link.scheme() == "http" || link.scheme() == "https" || link.scheme() == "ftp")
        openUrl(link);
    else
        openUrl(link, true);
}

void UrlTextEdit::setSource(const QUrl &)
{
}

void UrlTextEdit::insertLine(QTextCursor &cursor, const QString &line, const QFont *font, const QColor *color)
{
    // Normal format
    QTextCharFormat charFormat;
    if (font) charFormat.setFont(*font);
    if (color) charFormat.setForeground(*color);
    if (Profile::instance().textSkin().isForcedBackgroundColor())
        charFormat.setBackground(_textBackgroundColor);

    // Url format
    QTextCharFormat urlFormat;
    if (font) urlFormat.setFont(*font);
    urlFormat.setForeground(Qt::blue);
    urlFormat.setFontUnderline(true);
    urlFormat.setAnchor(true);
    urlFormat.setAnchorHref("");

    // Search for URLs
    QList<RenderSegmentList::TextRange> urlRanges = _segments.urlRanges(line);

    // Format work
    int pos = 0;
    for (int i = 0; i < urlRanges.count(); i++)
    {
        RenderSegmentList::TextRange range = urlRanges[i];

        // Normal format
        if (pos < range.start)
            cursor.insertText(line.mid(pos, range.start - pos), charFormat);

        // Url format
        urlFormat.setAnchorHref(line.mid(range.start, range.length));
        cursor.insertText(line.mid(range.start, range.length), urlFormat);

        pos = range.start + range.length;
    }

    if (pos < line.length()) // remains a piece of normal format
        cursor.insertText(line.mid(pos, line.length() - pos), charFormat);
}

void UrlTextEdit::mouseReleaseEvent(QMouseEvent *e)
{
    QTextBrowser::mouseReleaseEvent(e);
    if (Profile::instance().copyOnSelection)
        copy();
}

void UrlTextEdit::setText(const QString &text)
{
    clear();

    QTextCursor cursor(document());
    cursor.movePosition(QTextCursor::Start);

    insertLine(cursor, text);
}