C++ QTextFrameFormat::setBackground方法代码示例

/*! Append a new message to the current session and scroll to the end of the message protocol and
    returns true if the action was successful. The \a messageColor defines the color of the message
    box and should be provided as a full-color (no dimming required) color, as it is automatically
    adjusted for the border and background.
*/
bool QwcPrivateMessager::appendMessageToCurrentSession(QTextDocument *document, const QString message, const QColor messageColor)
{
    if (!document) { return false; }

    QTextCursor cursor = document->rootFrame()->lastCursorPosition();
    cursor.movePosition(QTextCursor::StartOfBlock);

    QTextFrameFormat frameFormat;
    frameFormat.setPadding(4);
    frameFormat.setBackground(messageColor.lighter(190));
    frameFormat.setMargin(0);
    frameFormat.setBorder(2);
    frameFormat.setBorderBrush(messageColor.lighter(150));
    frameFormat.setBorderStyle(QTextFrameFormat::BorderStyle_Outset);

    // Title
    QTextCharFormat backupCharFormat = cursor.charFormat();

    QTextCharFormat newCharFormat;
    newCharFormat.setFontPointSize(9);

    QTextBlockFormat headerFormat;
    headerFormat.setAlignment(Qt::AlignHCenter);
    cursor.insertBlock(headerFormat);
    cursor.setCharFormat(newCharFormat);
    cursor.insertText(QDateTime::currentDateTime().toString());

    QTextFrame *frame = cursor.insertFrame(frameFormat);
    cursor.setCharFormat(backupCharFormat);
    frame->firstCursorPosition().insertText(message);

    return true;
}

void ServerWidget::reload_settings()
{
    menu_quick_commands->clear();
    for ( const auto& command : settings().quick_commands )
    {
        auto action = new QAction(command.first, this);
        action->setData(command.second);
        menu_quick_commands->addAction(action);
    }

    update_player_actions();

    // Console
    if ( settings().get("console/autocomplete", true) )
        input_console->setWordCompleter(&complete_cvar);
    else
        input_console->setWordCompleter(nullptr);
    input_console->setWordCompleterMinChars(settings().get("console/autocomplete/min_chars",1));
    input_console->setWordCompleterMaxSuggestions(settings().get("console/autocomplete/max_suggestions",128));
    input_console->setFont(settings().console_font);

    /// \todo when it'll be a custom widget change accordingly
    QTextFrameFormat fmt;
    fmt.setBackground(settings().console_background);
    output_console->document()->rootFrame()->setFrameFormat(fmt);
    output_console->document()->setDefaultFont(settings().console_font);
    output_console->setTextColor(settings().console_foreground);
}

void XmlConsole::clear()
{
	ui_.te->clear();
	QTextFrameFormat f = ui_.te->document()->rootFrame()->frameFormat();
	f.setBackground(QBrush(Qt::black));
	ui_.te->document()->rootFrame()->setFrameFormat(f);
}

//----------------------------------------------------------------------------
// XmlConsole
//----------------------------------------------------------------------------
XmlConsole::XmlConsole(PsiAccount *_pa)
:QWidget()
{
	ui_.setupUi(this);

	pa = _pa;
	pa->dialogRegister(this);
	connect(pa, SIGNAL(updatedAccount()), SLOT(updateCaption()));
	connect(pa->client(), SIGNAL(xmlIncoming(const QString &)), SLOT(client_xmlIncoming(const QString &)));
	connect(pa->client(), SIGNAL(xmlOutgoing(const QString &)), SLOT(client_xmlOutgoing(const QString &)));
	connect(pa->psi(), SIGNAL(accountCountChanged()), this, SLOT(updateCaption()));
	updateCaption();

	prompt = 0;

	ui_.te->setUndoRedoEnabled(false);
	ui_.te->setReadOnly(true);
	ui_.te->setAcceptRichText(false);

	QTextFrameFormat f = ui_.te->document()->rootFrame()->frameFormat();
	f.setBackground(QBrush(Qt::black));
	ui_.te->document()->rootFrame()->setFrameFormat(f);

	connect(ui_.pb_clear, SIGNAL(clicked()), SLOT(clear()));
	connect(ui_.pb_input, SIGNAL(clicked()), SLOT(insertXml()));
	connect(ui_.pb_close, SIGNAL(clicked()), SLOT(close()));
	connect(ui_.pb_dumpRingbuf, SIGNAL(clicked()), SLOT(dumpRingbuf()));
	connect(ui_.ck_enable, SIGNAL(clicked(bool)), ui_.gb_filter, SLOT(setEnabled(bool)));

	resize(560,400);
}

ClientTextEdit::ClientTextEdit(QWidget* parent) : QTextEdit(parent) {
    setReadOnly(true);
    setOverwriteMode(true);
    setUndoRedoEnabled(false);
    setDocumentTitle("mClient");
    setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::LinksAccessibleByMouse);
    setTabChangesFocus(false);

    //_doc->setMaximumBlockCount(Config().scrollbackSize); // max number of lines?
    document()->setUndoRedoEnabled(false);
    QTextFrame* frame = document()->rootFrame();
    _cursor = frame->firstCursorPosition();

    // Default Colors
    _foregroundColor = Qt::lightGray;
    _backgroundColor = Qt::black;
    _blackColor = Qt::darkGray;
    _redColor = Qt::darkRed;
    _greenColor = Qt::darkGreen;
    _yellowColor = Qt::darkYellow;
    _blueColor = Qt::darkBlue;
    _magentaColor = Qt::darkMagenta;
    _cyanColor = Qt::darkCyan;
    _grayColor = Qt::lightGray;
    _darkGrayColor = Qt::gray;
    _brightRedColor = Qt::red;
    _brightGreenColor = Qt::green;
    _brightYellowColor = Qt::yellow;
    _brightBlueColor = Qt::blue;
    _brightMagentaColor = Qt::magenta;
    _brightCyanColor = Qt::cyan;
    _whiteColor = Qt::white;
    // Default Fonts
    _serverOutputFont = QFont("Monospace", 10);
    _inputLineFont = QFont("Monospace", 10); //QApplication::font();
    _serverOutputFont.setStyleHint(QFont::TypeWriter, QFont::PreferAntialias);

    QTextFrameFormat frameFormat = frame->frameFormat();
    frameFormat.setBackground(_backgroundColor);
    frameFormat.setForeground(_foregroundColor);
    frame->setFrameFormat(frameFormat);

    _format = _cursor.charFormat();
    setDefaultFormat(_format);
    _defaultFormat = _format;
    _cursor.setCharFormat(_format);

    QFontMetrics fm(_serverOutputFont);
    setTabStopWidth(fm.width(" ") * 8); // A tab is 8 spaces wide
    QScrollBar* scrollbar = verticalScrollBar();
    scrollbar->setSingleStep(fm.leading()+fm.height());

    connect(scrollbar, SIGNAL(sliderReleased()), 
                this, SLOT(scrollBarReleased()));

    previous = 0;
}

void ServerWidget::clear_log()
{
    output_console->clear();

    /// \todo when it'll be a custom widget remove
    QTextFrameFormat fmt;
    fmt.setBackground(settings().console_background);
    output_console->document()->rootFrame()->setFrameFormat(fmt);
    output_console->document()->setDefaultFont(settings().console_font);
    output_console->setTextColor(settings().console_foreground);
}

MainWindow::MainWindow(QWidget *parent) :
    QMainWindow(parent),
    ui(new Ui::MainWindow)
{
    ui->setupUi(this);

    // 获取文档对象
    QTextDocument *document = ui->textEdit->document();

    // 获取根框架
    QTextFrame *rootFrame = document->rootFrame();

    // 创建框架格式
    QTextFrameFormat format;
    // 边界颜色
    format.setBorderBrush(Qt::red);
    // 边界宽度
    format.setBorder(3);
    // 框架使用格式
    rootFrame->setFrameFormat(format);

    QTextFrameFormat frameFormat;
    // 设置背景颜色
    frameFormat.setBackground(Qt::lightGray);
    // 设置边距
    frameFormat.setMargin(10);
    // 设置填衬
    frameFormat.setPadding(5);
    frameFormat.setBorder(2);
    frameFormat.setBorderStyle(QTextFrameFormat::BorderStyle_Dotted); //设置边框样式

    // 获取光标
    QTextCursor cursor = ui->textEdit->textCursor();
    // 在光标处插入框架
    cursor.insertFrame(frameFormat);

   //以下是5.2.2节内容
    QAction *action_textFrame = new QAction(tr("框架"),this);
    connect(action_textFrame,SIGNAL(triggered()),this,SLOT(showTextFrame()));
    // 在工具栏添加动作
    ui->mainToolBar->addAction(action_textFrame);

    QAction *action_textBlock = new QAction(tr("文本块"),this);
    connect(action_textBlock,SIGNAL(triggered()),this,SLOT(showTextBlock()));
    ui->mainToolBar->addAction(action_textBlock);

    QAction *action_font = new QAction(tr("字体"),this);
    // 设置动作可以被选中
    action_font->setCheckable(true);
    connect(action_font,SIGNAL(toggled(bool)),this,SLOT(setTextFont(bool)));
    ui->mainToolBar->addAction(action_font);
}

/* form qtexdocument to this margin an papersize */
void M_PageSize::HandlePrint( QTextDocument *doc )
{
			const qreal RightMargin = P_margin.y();
			const qreal LeftMargin = P_margin.height();
			const qreal LargeDoc = G_regt.width() - RightMargin  - LeftMargin;
			doc->setPageSize ( G_regt.size() );
			QTextFrame  *Tframe = doc->rootFrame();
	    QTextFrameFormat Ftf = Tframe->frameFormat();
	    Ftf.setLeftMargin(P_margin.height());
	    Ftf.setBottomMargin(P_margin.width());
	    Ftf.setTopMargin(P_margin.x());
	   Ftf.setBackground(QBrush(Qt::transparent));
			Ftf.setRightMargin(P_margin.y());
	    Ftf.setPadding ( 0);
			Tframe->setFrameFormat(Ftf);
		  doc->setPageSize ( G_regt.size() );
}

//----------------------------------------------------------------------------
// XmlConsole
//----------------------------------------------------------------------------
XmlConsole::XmlConsole(PsiAccount *_pa)
:QWidget()
{
#ifdef YAPSI
	setStyle(YaStyle::defaultStyle());
#endif
	ui_.setupUi(this);

	pa = _pa;
	pa->dialogRegister(this);
	connect(pa, SIGNAL(updatedAccount()), SLOT(updateCaption()));
	connect(pa->client(), SIGNAL(xmlIncoming(const QString &)), SLOT(client_xmlIncoming(const QString &)));
	connect(pa->client(), SIGNAL(xmlOutgoing(const QString &)), SLOT(client_xmlOutgoing(const QString &)));
	connect(pa->psi(), SIGNAL(accountCountChanged()), this, SLOT(updateCaption()));
	updateCaption();

	prompt = 0;

	ui_.te->setUndoRedoEnabled(false);
	ui_.te->setReadOnly(true);
	ui_.te->setTextFormat(Qt::PlainText);

	QTextFrameFormat f = ui_.te->document()->rootFrame()->frameFormat();
	f.setBackground(QBrush(Qt::black));
	ui_.te->document()->rootFrame()->setFrameFormat(f);

	connect(ui_.pb_clear, SIGNAL(clicked()), SLOT(clear()));
	connect(ui_.pb_input, SIGNAL(clicked()), SLOT(insertXml()));
	connect(ui_.pb_close, SIGNAL(clicked()), SLOT(close()));
	connect(ui_.pb_dumpRingbuf, SIGNAL(clicked()), SLOT(dumpRingbuf()));
	connect(ui_.ck_enable, SIGNAL(clicked(bool)), ui_.gb_filter, SLOT(setEnabled(bool)));

#ifdef DEFAULT_XMLCONSOLE
	enable();
#endif

#ifdef YAPSI
	YaStyle::makeMeNativeLooking(this);
#endif

	resize(560,400);
}

QTextHtmlImporter::ProcessNodeResult QTextHtmlImporter::processSpecialNodes()
{
    switch (currentNode->id) {
        case Html_body:
            if (currentNode->charFormat.background().style() != Qt::NoBrush) {
                QTextFrameFormat fmt = doc->rootFrame()->frameFormat();
                fmt.setBackground(currentNode->charFormat.background());
                doc->rootFrame()->setFrameFormat(fmt);
                const_cast<QTextHtmlParserNode *>(currentNode)->charFormat.clearProperty(QTextFormat::BackgroundBrush);
            }
            break;

        case Html_ol:
        case Html_ul: {
            QTextListFormat::Style style = currentNode->listStyle;

            if (currentNode->id == Html_ul && !currentNode->hasOwnListStyle && currentNode->parent) {
                const QTextHtmlParserNode *n = &at(currentNode->parent);
                while (n) {
                    if (n->id == Html_ul) {
                        style = nextListStyle(currentNode->listStyle);
                    }
                    if (n->parent)
                        n = &at(n->parent);
                    else
                        n = 0;
                }
            }

            QTextListFormat listFmt;
            listFmt.setStyle(style);

            ++indent;
            if (currentNode->hasCssListIndent)
                listFmt.setIndent(currentNode->cssListIndent);
            else
                listFmt.setIndent(indent);

            List l;
            l.format = listFmt;
            l.listNode = currentNodeIdx;
            lists.append(l);
            compressNextWhitespace = true;

            // broken html: <ul>Text here<li>Foo
            const QString simpl = currentNode->text.simplified();
            if (simpl.isEmpty() || simpl.at(0).isSpace())
                return ContinueWithNextNode;
            break;
        }

        case Html_table: {
            Table t = scanTable(currentNodeIdx);
            tables.append(t);
            hasBlock = false;
            return ContinueWithNextNode;
        }

        case Html_tr:
            return ContinueWithNextNode;

        case Html_img: {
            QTextImageFormat fmt;
            fmt.setName(currentNode->imageName);

            fmt.merge(currentNode->charFormat);

            if (currentNode->imageWidth >= 0)
                fmt.setWidth(currentNode->imageWidth);
            if (currentNode->imageHeight >= 0)
                fmt.setHeight(currentNode->imageHeight);

            cursor.insertImage(fmt, QTextFrameFormat::Position(currentNode->cssFloat));

            cursor.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor);
            cursor.mergeCharFormat(currentNode->charFormat);
            cursor.movePosition(QTextCursor::Right);

            hasBlock = false;
            return ContinueWithNextNode;
        }

        case Html_hr: {
            QTextBlockFormat blockFormat = currentNode->blockFormat;
            blockFormat.setTopMargin(topMargin(currentNodeIdx));
            blockFormat.setBottomMargin(bottomMargin(currentNodeIdx));
            blockFormat.setProperty(QTextFormat::BlockTrailingHorizontalRulerWidth, currentNode->width);
            if (hasBlock && importMode == ImportToDocument)
                cursor.mergeBlockFormat(blockFormat);
            else
                appendBlock(blockFormat);
            hasBlock = false;
            return ContinueWithNextNode;
        }

        default: break;
    }
    return ContinueWithCurrentNode;
}

XmlConsole::XmlConsole(Client* client, QWidget *parent) :
	QWidget(parent),
	m_ui(new Ui::XmlConsole),
	m_client(client),	m_filter(0x1f)
{
	m_ui->setupUi(this);

    m_client->addXmlStreamHandler(this);

	QPalette pal = palette();
	pal.setColor(QPalette::Base, Qt::black);
	pal.setColor(QPalette::Text, Qt::white);
	m_ui->xmlBrowser->viewport()->setPalette(pal);
	QTextDocument *doc = m_ui->xmlBrowser->document();
	doc->setDocumentLayout(new QPlainTextDocumentLayout(doc));
	doc->clear();

	QTextFrameFormat format = doc->rootFrame()->frameFormat();
	format.setBackground(QColor(Qt::black));
	format.setMargin(0);
	doc->rootFrame()->setFrameFormat(format);
	QMenu *menu = new QMenu(m_ui->filterButton);
	menu->setSeparatorsCollapsible(false);
	menu->addSeparator()->setText(tr("Filter"));
	QActionGroup *group = new QActionGroup(menu);
	QAction *disabled = group->addAction(menu->addAction(tr("Disabled")));
	disabled->setCheckable(true);
	disabled->setData(Disabled);
	QAction *jid = group->addAction(menu->addAction(tr("By JID")));
	jid->setCheckable(true);
	jid->setData(ByJid);
	QAction *xmlns = group->addAction(menu->addAction(tr("By namespace uri")));
	xmlns->setCheckable(true);
	xmlns->setData(ByXmlns);
	QAction *attrb = group->addAction(menu->addAction(tr("By all attributes")));
	attrb->setCheckable(true);
	attrb->setData(ByAllAttributes);
	disabled->setChecked(true);
	connect(group, SIGNAL(triggered(QAction*)), this, SLOT(onActionGroupTriggered(QAction*)));
	menu->addSeparator()->setText(tr("Visible stanzas"));
	group = new QActionGroup(menu);
	group->setExclusive(false);
	QAction *iq = group->addAction(menu->addAction(tr("Information query")));
	iq->setCheckable(true);
	iq->setData(XmlNode::Iq);
	iq->setChecked(true);
	QAction *message = group->addAction(menu->addAction(tr("Message")));
	message->setCheckable(true);
	message->setData(XmlNode::Message);
	message->setChecked(true);
	QAction *presence = group->addAction(menu->addAction(tr("Presence")));
	presence->setCheckable(true);
	presence->setData(XmlNode::Presence);
	presence->setChecked(true);
	QAction *custom = group->addAction(menu->addAction(tr("Custom")));
	custom->setCheckable(true);
	custom->setData(XmlNode::Custom);
	custom->setChecked(true);
	connect(group, SIGNAL(triggered(QAction*)), this, SLOT(onActionGroupTriggered(QAction*)));
	m_ui->filterButton->setMenu(menu);
	m_stackBracketsColor = QColor(0x666666);
	m_stackIncoming.bodyColor = QColor(0xbb66bb);
	m_stackIncoming.tagColor = QColor(0x006666);
	m_stackIncoming.attributeColor = QColor(0x009933);
	m_stackIncoming.paramColor = QColor(0xcc0000);
	m_stackOutgoing.bodyColor = QColor(0x999999);
	m_stackOutgoing.tagColor = QColor(0x22aa22);
	m_stackOutgoing.attributeColor = QColor(0xffff33);
	m_stackOutgoing.paramColor = QColor(0xdd8811);

	QAction *action = new QAction(tr("Close"),this);
	action->setSoftKeyRole(QAction::NegativeSoftKey);
	connect(action, SIGNAL(triggered()), SLOT(close()));
	addAction(action);
}