Method openSuperBigTextFile

src/cceditor/ccnotepad.cpp:4399–4484

按照超大文本文件进行只读打开

//按照超大文本文件进行只读打开
bool CCNotePad::openSuperBigTextFile(QString filePath)
{
	QFileInfo fi(filePath);
	QString fileLabel(fi.fileName());

	TextFileMgr* txtFile = nullptr;

	RC_LINE_FORM lineEnd(UNKNOWN_LINE);

	if (!FileManager::getInstance().loadFileData(filePath, txtFile, lineEnd))
	{
		return false;
	}

	ScintillaEditView* pEdit = FileManager::getInstance().newEmptyDocument(true);
	pEdit->setReadOnly(true);
	pEdit->setNoteWidget(this);

	//必须要在editTabWidget->addTab之前，因为一旦add时会出发tabchange，其中没有doctype会导致错误
	pEdit->execute(SCI_SETSCROLLWIDTH, 80 * 10);
	setDocTypeProperty(pEdit, SUPER_BIG_TEXT_RO_TYPE);

	showBigTextFile(pEdit, txtFile);
	lineEnd = (RC_LINE_FORM)txtFile->lineEndType;

	disconnect(ui.editTabWidget, &QTabWidget::currentChanged, this, &CCNotePad::slot_tabCurrentChanged);
	int curIndex = ui.editTabWidget->addTab(pEdit, QIcon((StyleSet::getCurrentSytleId() != DEEP_BLACK) ? TabNoNeedSave : TabNoNeedSaveDark32), getShortName(fileLabel));

	ui.editTabWidget->setCurrentIndex(curIndex);
	connect(ui.editTabWidget, &QTabWidget::currentChanged, this, &CCNotePad::slot_tabCurrentChanged, Qt::UniqueConnection);
	connect(pEdit, &ScintillaEditView::cursorPositionChanged, this, &CCNotePad::slot_LineNumIndexChange, Qt::QueuedConnection);


	autoSetDocLexer(pEdit);

	pEdit->showBigTextLineAddr(txtFile->fileOffset - txtFile->contentRealSize, txtFile->fileOffset);

	QVariant editViewFilePath(filePath);
	pEdit->setProperty(Edit_View_FilePath, editViewFilePath);

	//setWindowTitle(QString("%1 (%2)").arg(filePath).arg(tr("Big Text File ReadOnly")));
	
	ui.editTabWidget->setTabToolTip(curIndex, filePath);

	QVariant editViewNewFile(-1);
	pEdit->setProperty(Edit_File_New, editViewNewFile);

	QVariant editTextChange(false);
	pEdit->setProperty(Edit_Text_Change, editTextChange);

	setCodeTypeProperty(pEdit, txtFile->loadWithCode);
	setCodeBarLabel((CODE_ID)txtFile->loadWithCode);

	setLineEndBarLabel(lineEnd);
	setEndTypeProperty(pEdit, lineEnd);
	setDocEolMode(pEdit, lineEnd);

	syncCurDocEncodeToMenu(pEdit);