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- /*****************************************************************************
- * dictbrowser.cpp - QStarDict, a StarDict clone written using Qt *
- * Copyright (C) 2007 Alexander Rodin *
- * *
- * This program 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 *
- * (at your option) any later version. *
- * *
- * This program 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 this program; if not, write to the Free Software Foundation, Inc., *
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. *
- *****************************************************************************/
- #include <QtDebug>
- #include "dictbrowser.h"
- #include <QDesktopServices>
- #include <QMouseEvent>
- #include <QTextBlock>
- #include <QTextCharFormat>
- #include <QTextDocument>
- #include <QTextDocumentFragment>
- #include "../plugins/dictplugin.h"
- namespace
- {
- const QString translationCSS =
- "body {\n"
- "font-size: 10pt; }\n"
- "font.dict_name {\n"
- "color: blue;\n"
- "font-style: italic; }\n"
- "font.title {\n"
- "font-size: 16pt;\n"
- "font-weight: bold; }\n"
- "font.explanation {\n"
- "color: #7f7f7f;\n"
- "font-style: italic; }\n"
- "font.abbreviature {\n"
- "font-style: italic; }\n"
- "font.example {\n"
- "font-style: italic; }\n"
- "font.transcription {\n"
- "font-weight: bold; }\n";
- }
- namespace QStarDict
- {
- DictBrowser::DictBrowser(QWidget *parent)
- : QTextBrowser(parent),
- m_dict(0),
- m_highlighted(false),
- m_searchUndo(false)
- {
- document()->setDefaultStyleSheet(translationCSS);
- setOpenLinks(false);
- setOpenExternalLinks(false);
- connect(this, SIGNAL(anchorClicked(const QUrl &)), SLOT(on_anchorClicked(const QUrl &)));
- }
- QVariant DictBrowser::loadResource(int type, const QUrl &name)
- {
- if (type == QTextDocument::HtmlResource && name.scheme() == "qstardict")
- {
- QString str = name.toString(QUrl::RemoveScheme);
- QString result = m_dict->translate(str);
- if (result.isEmpty())
- result = "<table><tr><td><img src=\":/icons/dialog-warning.png\" width=64 height=64/></td><td valign=middle>" +
- tr("The word <b>%1</b> is not found.").arg(str) +
- "</td></tr></table>";
- return "<title>Translation for \"" + str + "\"</title>\n"
- + "<body>" + result + "</body>";
- }
- else if (name.scheme() == "plugin")
- {
- DictPlugin *plugin = m_dict->plugin(name.host());
- if (! plugin)
- return QVariant();
- return plugin->resource(type, name);
- }
- return QTextBrowser::loadResource(type, name);
- }
- void DictBrowser::search(const QString & exp, QTextDocument::FindFlags options)
- {
- bool found = false;
- QList<QTextEdit::ExtraSelection> extraSelections;
- moveCursor(QTextCursor::Start);
- QColor color = QColor(Qt::gray).lighter(130);
- while (find(exp, options))
- {
- found = true;
- QTextEdit::ExtraSelection extra;
- extra.format.setBackground(color);
- extra.cursor = textCursor();
- extraSelections.append(extra);
- }
- setExtraSelections(extraSelections);
- emit searchResult(found);
- }
- void DictBrowser::mouseMoveEvent(QMouseEvent *event)
- {
- if (m_highlighted)
- {
- m_oldCursor.setCharFormat(m_oldFormat);
- m_highlighted = false;
- }
- if (event->modifiers().testFlag(Qt::ControlModifier))
- {
- QTextCursor cursor = cursorForPosition(event->pos());
- cursor.select(QTextCursor::WordUnderCursor);
- QString selection = cursor.selection().toPlainText().simplified();
- if (m_dict->isTranslatable(selection))
- {
- m_oldCursor = cursor;
- m_oldFormat = cursor.charFormat();
- QTextCharFormat format = m_oldFormat;
- format.setForeground(Qt::blue);
- format.setFontUnderline(true);
- cursor.setCharFormat(format);
- m_highlighted = true;
- }
- }
- QTextBrowser::mouseMoveEvent(event);
- }
- void DictBrowser::mousePressEvent(QMouseEvent *event)
- {
- if (event->modifiers().testFlag(Qt::ControlModifier))
- {
- QTextCursor cursor = cursorForPosition(event->pos());
- cursor.select(QTextCursor::WordUnderCursor);
- QString selection = cursor.selection().toPlainText().simplified();
- if (m_dict->isTranslatable(selection))
- {
- setSource(selection);
- if (m_highlighted)
- m_highlighted = false;
- }
- }
- QTextBrowser::mousePressEvent(event);
- }
- void DictBrowser::on_anchorClicked(const QUrl &link)
- {
- QString scheme = link.scheme();
- if (scheme == "plugin" || scheme == "qrc")
- setSource(link);
- else
- QDesktopServices::openUrl(link);
- }
- }
- // vim: tabstop=4 softtabstop=4 shiftwidth=4 expandtab cindent textwidth=120 formatoptions=tc
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