--- /dev/null
+/*****************************************************************************
+ * 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 "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)
+{
+ 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::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
+