#include <QApplication>
#include <QTextEdit>

int main(int argc,char* argv[])
{
	QApplication app(argc,argv);
	
	QTextEdit* textEdit=new QTextEdit;
	textEdit->show();
	
	return app.exec();
}

#include <QTextEdit>

QTextEdit* textEdit=new QTextEdit;
textEdit->show();

textEdit->setLineWrapMode(QTextEdit::NoWrap);

textEdit->setLineWrapMode(QTextEdit::FixedPixelWidth);
textEdit->setLineWrapColumnOrWidth(50);

textEdit->setLineWrapMode(QTextEdit::FixedColumnWidth);
textEdit->setLineWrapColumnOrWidth(10);

QTextDocument* document=textEdit->document();

QTextFrame* root=document->rootFrame();

QTextEdit* textEdit=new QTextEdit;
QTextCursor cursor=textEdit->textCursor();

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

cursor.insertText("Ahmad Essam");

#include <QApplication>
#include <QTextEdit>
#include <QTextCharFormat>

int main(int argc,char* argv[])
{
	QApplication app(argc,argv);
	
	QTextEdit* textEdit=new QTextEdit;
	QTextCursor cursor=textEdit->textCursor();
	
	QTextCharFormat boldFormat;
	QTextCharFormat italicFormat;
	QTextCharFormat defaultFormat;
	QTextCharFormat customFormat;

	boldFormat.setFontWeight(QFont::Bold);
	italicFormat.setFontItalic(true);
	customFormat.setForeground(QColor(Qt::red));
	customFormat.setFont(QFont("Arial",14,QFont::Bold));
	customFormat.setFontUnderline(true);
	
	cursor.insertText("Personal Info.",customFormat);
	cursor.insertBlock();
	cursor.insertBlock();
	
	cursor.insertText("Ahmad Essam",defaultFormat);
	cursor.insertBlock();
	
	cursor.insertText("Faculty of Mathematical Sciences",boldFormat);
	cursor.insertBlock();
	
	cursor.insertText("Computer Science Dept.",boldFormat);
	cursor.insertBlock();
	cursor.insertBlock();
	
	cursor.insertText("ByE",italicFormat);
	cursor.insertBlock();
	
	
	textEdit->show();
	
	return app.exec();
}

QTextEdit* textEdit=new QTextEdit;
QTextCursor cursor=textEdit->textCursor();

QTextCharFormat boldFormat;
QTextCharFormat italicFormat;
QTextCharFormat defaultFormat;
QTextCharFormat customFormat;

boldFormat.setFontWeight(QFont::Bold);
italicFormat.setFontItalic(true);
customFormat.setForeground(QColor(Qt::red));
customFormat.setFont(QFont("Arial",14,QFont::Bold));
customFormat.setFontUnderline(true);

cursor.insertText("Personal Info.",customFormat);

#include <QApplication>
#include <QTextEdit>
#include <QTextCharFormat>

int main(int argc,char* argv[])
{
	QApplication app(argc,argv);
	
	QTextEdit* textEdit=new QTextEdit;
	QTextCursor cursor=textEdit->textCursor();
	
	QTextBlockFormat colorFormat;
	QTextBlockFormat defaultFormat;
	QTextBlockFormat alignFormat;

	colorFormat.setBackground(QColor(Qt::gray));
	alignFormat.setAlignment(Qt::AlignHCenter);
	
	
	cursor.setBlockFormat(colorFormat);
	cursor.insertText("Personal Info.");
	cursor.insertBlock();
	
	cursor.insertText("Ahmad Essam");
	
	cursor.setBlockFormat(alignFormat);
	cursor.insertBlock();
	
	cursor.insertText("Faculty of Mathematical Sciences");
	cursor.insertBlock();
	
	cursor.insertText("Computer Science Dept.");
	cursor.insertBlock();
	cursor.setBlockFormat(defaultFormat);
	cursor.insertBlock();
		
	cursor.insertText("Bye.");
	textEdit->show();
	
	return app.exec();
}

#include <QApplication>
#include <QTextEdit>
#include <QTextFrame>

int main(int argc,char* argv[])
{
	QApplication app(argc,argv);
	
	QTextEdit* textEdit=new QTextEdit;
	QTextCursor cursor=textEdit->textCursor();
	
	QTextFrame* root=cursor.currentFrame();
	//or use QTextFrame* root=textEdit->document()->rootFrame();
	
	QTextFrameFormat mainFrameFormat;
	QTextFrameFormat childFrameFormat;
	
	mainFrameFormat.setPadding(8);
	
	childFrameFormat.setPadding(8);
	childFrameFormat.setBorder(2);
	childFrameFormat.setPosition(QTextFrameFormat::FloatRight);
	childFrameFormat.setBorderStyle(QTextFrameFormat::BorderStyle_Ridge);
	childFrameFormat.setBorderBrush(QColor(Qt::darkGreen));
	
	root->setFrameFormat(mainFrameFormat);
	
	cursor.insertText("This is the first text in the root frame");
	cursor.insertBlock();
	
	cursor.insertFrame(childFrameFormat);
	cursor.insertText("This is the second text in the child frame");
	cursor.insertBlock();
	cursor.insertText("im also in the child frame");
	cursor.insertBlock();
	cursor.insertText("how can i go out from this frame??");
	
	cursor=root->lastCursorPosition();
	cursor.insertText("i'm out of child frame");
	cursor.insertBlock();
	cursor.insertText("Good Bye");
	
	textEdit->show();
	return app.exec();
}

QTextFrame* root=cursor.currentFrame();

QTextFrameFormat mainFrameFormat;
QTextFrameFormat childFrameFormat;
	
mainFrameFormat.setPadding(8);
	
childFrameFormat.setPadding(8);
childFrameFormat.setBorder(2);
childFrameFormat.setPosition(QTextFrameFormat::FloatRight);
childFrameFormat.setBorderStyle(QTextFrameFormat::BorderStyle_Ridge);
childFrameFormat.setBorderBrush(QColor(Qt::darkGreen));
	
root->setFrameFormat(mainFrameFormat);

cursor.insertFrame(childFrameFormat);
cursor.insertText("This is the second text in the child frame");
cursor.insertBlock();
cursor.insertText("im also in the child frame");
cursor.insertBlock();
cursor.insertText("how can i go out from this frame??");

cursor=root->lastCursorPosition();

#include <QApplication>
#include <QTextEdit>
#include <QTextTableCell>

const int ROW=5;
const int COL=4;

int main(int argc,char* argv[])
{
	QApplication app(argc,argv);
	
	QStringList list;
	list<<"ID"<<"First Name"<<"Last Name"<<"Phone Number";
	
	QTextCharFormat cellFormat;
	cellFormat.setBackground(QColor(Qt::lightGray));
	
	QVector<QTextLength> constraints;
	constraints<<QTextLength(QTextLength::PercentageLength,25);
    constraints<<QTextLength(QTextLength::PercentageLength,25);
    constraints<<QTextLength(QTextLength::PercentageLength,25);
    constraints<<QTextLength(QTextLength::PercentageLength,25);
	
	
	QTextEdit* textEdit=new QTextEdit;
	textEdit->setReadOnly(true);
	
	QTextCursor cursor=textEdit->textCursor();
	
	QTextCharFormat boldFormat;
	QTextCharFormat defaultFormat;
	boldFormat.setFontWeight(QFont::Bold);
	
	QTextTableFormat tableFormat;
	tableFormat.setBackground(QColor(Qt::gray));
	tableFormat.setAlignment(Qt::AlignHCenter);
	tableFormat.setColumnWidthConstraints(constraints);
	tableFormat.setCellPadding(3);
	
	cursor.insertText("this Eample demonstrates how to construct a table");
	QTextTable* table=cursor.insertTable(ROW,COL,tableFormat);
	
	
	for(int j=0;j<COL;j++)
	{
		QTextTableCell cell=table->cellAt(0,j);
		cell.setFormat(cellFormat);
		cursor=cell.firstCursorPosition();
		cursor.insertText(list[j],boldFormat);
	}
		
	cursor=textEdit->document()->rootFrame()->lastCursorPosition();
	cursor.insertText("this line is outside of the table",defaultFormat);
	cursor.insertBlock();
	cursor.insertText("and this text edit is ");
	

	cursor.insertText("Read-Only",boldFormat);
	
	textEdit->show();
	return app.exec();
}

QTextTable* table=cursor.insertTable(ROW,COL,tableFormat);

QTextTableCell cell=table->cellAt(i,j);

cursor=cell.firstCursorPosition();

#include <QApplication>
#include <QTextEdit>


int main(int argc,char* argv[])
{
	QApplication app(argc,argv);
	
	QTextEdit* textEdit=new QTextEdit;
	QTextCursor cursor=textEdit->textCursor();
	
	cursor.insertText("Qt's feature:");
	
	QTextListFormat listFormat;
	listFormat.setStyle(QTextListFormat::ListDisc);
	listFormat.setIndent(1);
	
	cursor.insertList(listFormat);
	cursor.insertText("Esay to use");
	cursor.insertBlock();
	cursor.insertText("Esay to learn");
	cursor.insertBlock();
	cursor.insertText("and importantly, Open Source ");
	cursor.insertBlock();
	cursor.insertText("support a lot of thing:");
	
	listFormat.setIndent(listFormat.indent()+1);
	cursor.insertList(listFormat);
	cursor.insertText("Database connectivity");
	cursor.insertBlock();
	cursor.insertText("Network API");
	cursor.insertBlock();
	cursor.insertText("XML support");
	cursor.insertBlock();
	cursor.insertText("OpenGL,Multithreading and more.");
	textEdit->show();
	return app.exec();
}

cursor.insertList(listFormat);

#include <QApplication>
#include <QTextEdit>
#include <QTextFrame>

int main(int argc,char* argv[])
{
	Q_INIT_RESOURCE(a);
	QApplication app(argc,argv);
	
	QTextEdit* textEdit=new QTextEdit;
	QTextCursor cursor=textEdit->textCursor();
	
	QTextImageFormat imageFormat;
	imageFormat.setName(":/images/a.png");
	
	cursor.insertImage(imageFormat);
	
	QTextCharFormat customFormat;
	customFormat.setFont(QFont("Arial",13,QFont::Bold));
	customFormat.setForeground(QColor(Qt::red));
	cursor.insertBlock();
	cursor.insertBlock();
	cursor.insertText("Live Free or Die",customFormat);
	
	textEdit->show();
	return app.exec();
}

<!DOCTYPE RCC><RCC version="1.0">
 <qresource>
     <file>images/a.png</file>
   
 </qresource>
 </RCC>

cursor.movePosition(QTextCursor::StartOfWord);
cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);

QTextDocument *document = editor->document();
QPrinter printer;

QPrintDialog *dlg = new QPrintDialog(&printer, this);
if (dlg->exec() != QDialog::Accepted)
    return;

document->print(&printer);

#ifndef WIDGET_H
#define WIDGET_H

#include <QWidget>

class QTextEdit;

class Widget:public QWidget
{
	Q_OBJECT
	public:
		Widget(QWidget* parent=0);
	
	public slots:
		void readClicked();
		void clearClicked();
	private:
		QTextEdit* textEdit;
		
		void loadFile(const QString& file);
};

#endif

#include <QtGui>
#include "widget.h"

Widget::Widget(QWidget* parent):
QWidget(parent)
{
	textEdit=new QTextEdit;
	
	QPushButton* readButton=new QPushButton("Read");
	QPushButton* quitButton=new QPushButton("Quit");
	QPushButton* clearButton=new QPushButton("Clear");
	
	connect(readButton,SIGNAL(clicked()),this,SLOT(readClicked()));
	connect(quitButton,SIGNAL(clicked()),this,SLOT(close()));
	connect(clearButton,SIGNAL(clicked()),this,SLOT(clearClicked()));
	
	QHBoxLayout* hLayout=new QHBoxLayout;
	hLayout->addWidget(readButton);
	hLayout->addWidget(quitButton);
	hLayout->addWidget(clearButton);
	
	QVBoxLayout* layout=new QVBoxLayout;
	layout->addLayout(hLayout);
	layout->addWidget(textEdit);
	
	setLayout(layout);
	setWindowTitle("text editor with capability of export/import HTML files");
}

void Widget::clearClicked()
{
	textEdit->clear();
}

void Widget::readClicked()
{
	QString file=QFileDialog::getOpenFileName(this);
	
	if(!file.isEmpty())
		loadFile(file);
		
}


void Widget::loadFile(const QString& fileName)
{
	QFile file(fileName);
	
	if( !file.open(QFile::ReadOnly|QFile::Text) )
	{
		QMessageBox::warning(this,"Error",tr("Cannot read file %1:\n%2").arg(fileName).arg(file.errorString()));
		return ;
	}
	
	QTextStream in(&file);
	QApplication::setOverrideCursor(Qt::WaitCursor);
	textEdit->setHtml(in.readAll());
	QApplication::restoreOverrideCursor();
	
}

#include <QApplication>
#include "widget.h"

int main(int argc,char* argv[])
{
	QApplication app(argc,argv);

	Widget widget;
	widget.show();
	
	return app.exec();
}