?? celldrag.cpp
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#include <qregexp.h>#include <qstylesheet.h>#include <qtextcodec.h>#include "celldrag.h"CellDrag::CellDrag(const QString &text, QWidget *parent, const char *name) : QDragObject(parent, name){ plainText = text;}const char *CellDrag::format(int index) const{ switch (index) { case 0: return "text/csv"; case 1: return "text/html"; case 2: return "text/plain"; default: return 0; }}QByteArray CellDrag::encodedData(const char *format) const{ QByteArray data; QTextOStream out(data); if (qstrcmp(format, "text/csv") == 0) { out << toCsv(); } else if (qstrcmp(format, "text/html") == 0) { out << toHtml(); } else if (qstrcmp(format, "text/plain") == 0) { out << plainText; } return data;}QString CellDrag::toCsv() const{ QString out = plainText; out.replace("\\", "\\\\"); out.replace("\"", "\\\""); out.replace("\t", "\", \""); out.replace("\n", "\"\n\""); out.prepend("\""); out.append("\""); return out;}QString CellDrag::toHtml() const{ QString out = QStyleSheet::escape(plainText); out.replace("\t", "<td>"); out.replace("\n", "\n<tr><td>"); out.prepend("<table>\n<tr><td>"); out.append("\n</table>"); return out;}bool CellDrag::canDecode(const QMimeSource *source){ return source->provides("text/plain");}bool CellDrag::decode(const QMimeSource *source, QString &str){ QByteArray data = source->encodedData("text/plain"); str = QString::fromLocal8Bit((const char *)data, data.size()); return !str.isEmpty();}?? 快捷鍵說(shuō)明
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