C++ QTextEdit::setDocument方法代码示例

int TextEdit::setDocument(lua_State * L) // ( QTextDocument * document )
{
	QTextEdit* obj = ObjectHelper<QTextEdit>::check( L, 1);
	QTextDocument* document = ObjectHelper<QTextDocument>::check( L, 2 );
	obj->setDocument( document );
	return 0;
}/*

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    QTextEdit *editor = new QTextEdit;

//! [0]
    QTextDocument *document = new QTextDocument(editor);
    QTextCursor cursor(document);
//! [0]

//! [1]
    QTextImageFormat imageFormat;
    imageFormat.setName(":/images/advert.png");
    cursor.insertImage(imageFormat);
//! [1]

    cursor.insertBlock();
    cursor.insertText("Code less. Create more.");

    editor->setDocument(document);
    editor->setWindowTitle(tr("Text Document Images"));
    editor->resize(320, 480);
    editor->show();
    return app.exec();
}

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    QTextEdit *editor = new QTextEdit;

    QTextDocument *document = new QTextDocument(editor);
    QTextCursor cursor(document);

    QTextImageFormat imageFormat;
    imageFormat.setName(":/images/advert.png");
    cursor.insertImage(imageFormat);

    QTextBlock block = cursor.block();
    QTextFragment fragment;
    QTextBlock::iterator it;

    for (it = block.begin(); !(it.atEnd()); ++it) {
        fragment = it.fragment();

        if (fragment.contains(cursor.position()))
            break;
    }

//! [0]
    if (fragment.isValid()) {
        QTextImageFormat newImageFormat = fragment.charFormat().toImageFormat();

        if (newImageFormat.isValid()) {
            newImageFormat.setName(":/images/newimage.png");
            QTextCursor helper = cursor;

            helper.setPosition(fragment.position());
            helper.setPosition(fragment.position() + fragment.length(),
                               QTextCursor::KeepAnchor);
            helper.setCharFormat(newImageFormat);
//! [0] //! [1]
        }
//! [1] //! [2]
    }
//! [2]

    cursor.insertBlock();
    cursor.insertText("Code less. Create more.");

    editor->setDocument(document);
    editor->setWindowTitle(tr("Text Document Image Format"));
    editor->resize(320, 480);
    editor->show();

    return app.exec();
}

void TextZone::createThumbnail()
{
    QWidget *w = QApplication::focusWidget();
    if(w){


        //        pixmap.fill( Qt::white );

        //        QPainter painter( &pixmap );
        //        painter.setPen( Qt::black );





        ////        rect.translate( 0, rect.height()+10 );
        ////        rect.setHeight( 160 );
        //        doc.setTextWidth( rect.width() );
        //        painter.save();
        //        painter.translate( rect.topLeft() );
        //        doc.drawContents( &painter, rect.translated( -rect.topLeft() ) );
        //        painter.restore();

        //        rect.setHeight( textDocument.size().height()-160 );
        //        painter.setBrush( Qt::gray );
        //        painter.drawRect( rect );

        //        pixmap.save( "text.png" );





        QTextEdit tempEdit;
        tempEdit.setDocument(textDocument);
        tempEdit.setFixedHeight(textDocument->size().height());
        tempEdit.setFixedWidth(textDocument->textWidth());

#if QT_VERSION < 0x050000
        QPixmap thumbnail = QPixmap::grabWidget(&tempEdit);
#endif
#if QT_VERSION >= 0x050000
        QPixmap thumbnail = tempEdit.grab();
#endif


        emit textThumbnailSignal(thumbnail);
    }
}

	QMap<int, QList<QRectF>> TextDocumentAdapter::GetTextPositions (const QString& text, Qt::CaseSensitivity cs)
	{
		const auto& pageSize = Doc_->pageSize ();
		const auto pageHeight = pageSize.height ();

		QTextEdit hackyEdit;
		hackyEdit.setHorizontalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
		hackyEdit.setVerticalScrollBarPolicy (Qt::ScrollBarAlwaysOff);
		hackyEdit.setFixedSize (Doc_->pageSize ().toSize ());
		hackyEdit.setDocument (Doc_.get ());
		Doc_->setPageSize (pageSize);

		const auto tdFlags = cs == Qt::CaseSensitive ?
				QTextDocument::FindCaseSensitively :
				QTextDocument::FindFlags ();

		QMap<int, QList<QRectF>> result;
		auto cursor = Doc_->find (text, 0, tdFlags);
		while (!cursor.isNull ())
		{
			auto endRect = hackyEdit.cursorRect (cursor);
			auto startCursor = cursor;
			startCursor.setPosition (cursor.selectionStart ());
			auto rect = hackyEdit.cursorRect (startCursor);

			const int pageNum = rect.y () / pageHeight;
			rect.moveTop (rect.y () - pageHeight * pageNum);
			endRect.moveTop (endRect.y () - pageHeight * pageNum);

			if (rect.y () != endRect.y ())
			{
				rect.setWidth (pageSize.width () - rect.x ());
				endRect.setX (0);
			}
			auto bounding = rect | endRect;

			result [pageNum] << bounding;

			cursor = Doc_->find (text, cursor, tdFlags);
		}
		return result;
	}

QTextDocument * Exporter::buildFinalDoc()
{
    //search for checked items :

    QDomDocument domDoc = hub->project()->mainTreeDomDoc();
    QDomElement root = domDoc.documentElement();

    QList<QDomElement> itemList = searchForCheckedItems(root);

    if(itemList.size() == 0)
        return new QTextDocument();


    // set up the progress bar :
    QWidget *progressWidget = new QWidget(this, Qt::Dialog | Qt::FramelessWindowHint | Qt::WindowStaysOnTopHint);
    QHBoxLayout *progressLayout = new QHBoxLayout(progressWidget);
    QProgressBar *progressBar = new QProgressBar(progressWidget);
    int progressValue = 0;

    progressLayout->addWidget(progressBar);
    progressWidget->setLayout(progressLayout);

    progressBar->setMaximum(itemList.size());
    progressBar->setValue(progressValue);
    progressWidget->show();



    //    QString debug;
    //    qDebug() << "itemList" << debug.setNum(itemList->size());

    QTextDocument *textDocument = new QTextDocument(this);
    QTextEdit *edit = new QTextEdit(this);

    textDocument->setDefaultStyleSheet("p, li { white-space: pre-wrap; } p{line-height: 2em; font-family:'Liberation Serif'; font-size:12pt;margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:72px;}");



    for(int i = 0; i < itemList.size(); ++i){
        QDomElement element = itemList.at(i);
        QTextCursor *tCursor = new QTextCursor(textDocument);

        QTextBlockFormat blockFormatLeft;
        blockFormatLeft.setBottomMargin(0);
        blockFormatLeft.setTopMargin(0);
        blockFormatLeft.setTextIndent(72);
        blockFormatLeft.setLineHeight(200, QTextBlockFormat::ProportionalHeight);
        blockFormatLeft.setAlignment(Qt::AlignJustify);
        QTextCharFormat charFormatLeft;
        charFormatLeft.setFontPointSize(12);
        charFormatLeft.setFontFamily("Courrier");

        QTextBlockFormat blockFormatCenter;
        blockFormatCenter.setAlignment(Qt::AlignCenter);


        if(element.tagName() != "separator"){

            qDebug() << "element name : "+ element.attribute("name");
            MainTextDocument *textDoc = hub->project()->findChild<MainTextDocument *>("textDoc_" + element.attribute("number"));
            MainTextDocument *synDoc = hub->project()->findChild<MainTextDocument *>("synDoc_" + element.attribute("number"));
            MainTextDocument *noteDoc = hub->project()->findChild<MainTextDocument *>("noteDoc_" + element.attribute("number"));

            QTextDocumentFragment textFrag(prepareTextDoc(textDoc));
            QTextDocumentFragment synFrag(prepareSynDoc(synDoc));
            QTextDocumentFragment noteFrag(prepareNoteDoc(noteDoc));

            edit->setDocument(textDocument);




            if(element.tagName() == "book"){
                textDocument->setMetaInformation(QTextDocument::DocumentTitle,element.attribute("name", ""));
                edit->append("<h1>" + element.attribute("name", "") + "</h1>");
                tCursor->movePosition(QTextCursor::End, QTextCursor::MoveAnchor,1);
                tCursor->mergeBlockFormat(blockFormatCenter);
                edit->append("<h4>" + QDateTime::currentDateTime().toString() + "</h4>");
                tCursor->movePosition(QTextCursor::End, QTextCursor::MoveAnchor,1);
                tCursor->mergeBlockFormat(blockFormatCenter);
                edit->append("<br>");
                edit->append("<br>");

            }
            if(element.tagName() == "act"){
                edit->append("<br>");
                edit->append("<br>");
                edit->append("<h2>" + element.attribute("name", "") + "</h2>");
                tCursor->movePosition(QTextCursor::End, QTextCursor::MoveAnchor,1);
                tCursor->mergeBlockFormat(blockFormatCenter);
                edit->append("<br>");

            }
            if(element.tagName() == "chapter"){
                edit->append("<br>");
                edit->append("<br>");
                edit->append("<h2>" + element.attribute("name", "") + "</h2>");
                tCursor->movePosition(QTextCursor::End, QTextCursor::MoveAnchor,1);
                tCursor->mergeBlockFormat(blockFormatCenter);
                edit->append("<br>");
//.........这里部分代码省略.........

void PackThemeDataWidget::parseThemes(KviPointerList<KviThemeInfo> * pThemeInfoList)
{
	QString szPackageName;
	QString szPackageAuthor;
	QString szPackageDescription;
	QString szPackageVersion;
	KviThemeInfo * pThemeInfo = 0;
	bool bPackagePathSet = false;


	QString szPackagePath = QDir::homePath();
	KviQString::ensureLastCharIs(szPackagePath,QChar(KVI_PATH_SEPARATOR_CHAR));

	if(pThemeInfoList->count() > 1)
	{
		szPackageName = "MyThemes";
		szPackageAuthor = __tr2qs_ctx("Your name here","theme");
		szPackageVersion = "1.0.0";
		szPackageDescription = __tr2qs_ctx("Put a package description here...","theme");
	} else {
		if(pThemeInfoList->count() > 0)
		{
			pThemeInfo = pThemeInfoList->first();
			szPackageName = pThemeInfo->subdirectory();
			szPackageAuthor = pThemeInfo->author();
			szPackageDescription = pThemeInfo->description();
			szPackageVersion = pThemeInfo->version();

			szPackagePath += pThemeInfo->subdirectory();
			if(szPackagePath.indexOf(QRegExp("[0-9]\\.[0-9]")) == -1)
			{
				szPackagePath += "-";
				szPackagePath += szPackageVersion;
			}
			szPackagePath += KVI_FILEEXTENSION_THEMEPACKAGE;

			bPackagePathSet = true;
		}
	}

	if(!bPackagePathSet)
	{
		szPackagePath += szPackageName;
		szPackagePath += "-";
		szPackagePath += szPackageVersion;
		szPackagePath += KVI_FILEEXTENSION_THEMEPACKAGE;
	}

	QVBoxLayout * pLayout = new QVBoxLayout(this);

	QString szThemesDescription = "<html><body bgcolor=\"#ffffff\">";

	int iIdx = 0;
	QPixmap pixScreenshot;
	QString szScreenshotPath;

	for(pThemeInfo = pThemeInfoList->first(); pThemeInfo; pThemeInfo = pThemeInfoList->next())
	{
		QString szThemeDescription;

		if(pixScreenshot.isNull())
		{
			pixScreenshot = pThemeInfo->smallScreenshot();
			if(!pixScreenshot.isNull())
				szScreenshotPath = pThemeInfo->smallScreenshotPath();
		}

		ThemeFunctions::getThemeHtmlDescription(
			szThemeDescription,
			pThemeInfo->name(),
			pThemeInfo->version(),
			pThemeInfo->description(),
			pThemeInfo->subdirectory(),
			pThemeInfo->application(),
			pThemeInfo->author(),
			pThemeInfo->date(),
			pThemeInfo->themeEngineVersion(),
			pThemeInfo->smallScreenshot(),
			iIdx
		);

		if(iIdx > 0)
			szThemesDescription += "<hr>";
		szThemesDescription += szThemeDescription;
		iIdx++;
	}

	szThemesDescription += "</body></html>";

	QTextEdit * pTextEdit = new QTextEdit(this);
	pTextEdit->setBackgroundRole(QPalette::Window);
	pTextEdit->setReadOnly(true);
	QTextDocument * pDoc = new QTextDocument(pTextEdit);
	pDoc->setHtml(szThemesDescription);
	pTextEdit->setDocument(pDoc);
	pLayout->addWidget(pTextEdit);

	setField("packageName",QVariant(szPackageName));
	setField("packageVersion",szPackageVersion);
	setField("packageDescription",szPackageDescription);
//.........这里部分代码省略.........

void QTextEditProto::setDocument(QTextDocument *document)
{
  QTextEdit *item = qscriptvalue_cast<QTextEdit*>(thisObject());
  if (item)
    item->setDocument(document);
}