Russian Qt Forum

MessageDialog *message = new MessageDialog(this);
message->show();

MessageDialog *message = new MessageDialog(this);
if (message->exec() == QDialog::Accepted) {
   // ....
}

QPushButton *okButton = new QPushButton(tr("Продолжить"), this);
QPushButton *cancelButton = new QPushButton(tr("Отмена"), this);
connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject())); 

setLayout( new QHBoxLayout );
QPushButton * buttonAccept = new QPushButton( "accept" );
QPushButton * buttonReject = new QPushButton( "reject" );
layout()->addWidget( buttonAccept );
layout()->addWidget( buttonReject );

connect( buttonAccept, SIGNAL( clicked() ), SLOT( accept() ) );
connect( buttonReject, SIGNAL( clicked() ), SLOT( reject() ) );

setWindowFlags(Qt::FramelessWindowHint);

	
	MyDialog::setWindowFlags(Qt::FramelessWindowHint);

	MyDialog::setGeometry(QRect(0, 0, 1024, 768));

	QPalette bgPalette = MyDialog::palette();
	QBrush bgBrush = QColor(255, 255, 255, 50);	//120

	bgPalette.setBrush(MyDialog::backgroundRole(), bgBrush);
	MyDialog::setAutoFillBackground(true);
	MyDialog::setPalette(bgPalette);

	QPixmap bgPixmap("dialog.png"); 
	QLabel *bgLabel = new QLabel(this);
	bgLabel->setPixmap(bgPixmap);

	QPushButton *okButton = new QPushButton(tr("Продолжить"), this);
	QPushButton *cancelButton = new QPushButton(tr("Отмена"), this);

	okButton->setGeometry(QRect(600, 440, 200, 50));
	cancelButton->setGeometry(QRect(360, 440, 200, 50));

	connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
	connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject())); 

MessageDialog *message = new MessageDialog( this, Qt::FramelessWindowHint );

MessageDialog::MessageDialog( QWidget * parent, Qt::WFlags flags )
: QDialog( parent, flags | Qt::FramelessWindowHint )
{
...
}

void MyForm::accept()
{
	setResult(1);
	close();
}

void MyForm::reject()
{
	setResult(0);
	close();
}

void MyForm::setResult(const int &newResult)
{
	iResult = newResult;
}

class MyForm: public QWidget
{
    Q_OBJECT
	Q_PROPERTY(int Result READ Result WRITE setResult)

public:
    MyForm::MyForm(QWidget * parent);
	int Result() const {return iResult;}

public slots:
	void accept();
	void reject();

private:
	int iResult;

	void setResult(const int &newResult);
};

	MyForm *MyDialog = new MyForm(this);
	MyDialog ->show();
	if (MyDialog ->Result() == 1)
		//.....

void slotSmth()
{
 ...
 MyDialog * dialog = new MyDialog( this );
 if( dialog->exec() )
 {
  ...
 }
 else
 {
  ...
 }
 ...
 if( dialog )
  delete dialog;
}

#include "private/qdialog_p.h"

MDialog::MDialog(QWidget *parent, Qt::WFlags flags)
	: QWidget(parent, flags | QFlag(Qt::WA_ShowModal) |		   // Модальное
							  QFlag(Qt::FramelessWindowHint))  // Без заголовка, без кнопки на таскбаре
{
	// Фон
	QPixmap bgPixmap("message.png"); 
	QLabel *bgLabel = new QLabel(this);
	bgLabel->setPixmap(bgPixmap);

	// Кнопки
	QPushButton *okButton = new QPushButton(tr("Продолжить"), this);
	QPushButton *cancelButton = new QPushButton(tr("Отмена"), this);
	int iWidthButton = 200;
	int iHeightButton = 50;
	okButton->setGeometry(QRect(600, 440, iWidthButton, iHeightButton));
	cancelButton->setGeometry(QRect(360, 440, iWidthButton, iHeightButton));
	okButton->setDefault(true);

	// Сигналы
	connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
	connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject())); 

	// Сообщение
	messageLabel = new QLabel(this);
	messageLabel->setPalette(whitePalette);
	messageLabel->setGeometry(QRect(340, 260, 480, 160));
	messageLabel->setAlignment(Qt::AlignLeft | Qt::AlignTop);
	messageLabel->setWordWrap(true);
	messageLabel->setFont(tahomaFont);
	messageLabel->setText(tr("Текст сообщения"));
}

MDialog::~MDialog()
{
	hide();
}

int MDialog::result() const
{
	Q_D(const QDialog);
	return d->rescode;
}

void MDialog::setResult(int r)
{
	Q_D(QDialog);
	d->rescode = r;
}

int MDialog::exec()
{
	Q_D(QDialog);
	if (d->eventLoop)
		return -1;

	bool deleteOnClose = testAttribute(Qt::WA_DeleteOnClose);
	setAttribute(Qt::WA_DeleteOnClose, false);

	setResult(0);

	show();

	QEventLoop eventLoop;
	d->eventLoop = &eventLoop;
	(void) eventLoop.exec();
	d->eventLoop = 0;

	int res = result();
	if (deleteOnClose)
		delete this;
	return res;
}

void MDialog::done(int r)
{
	Q_D(QDialog);
	hide();
	setResult(r);
	d->close_helper(QWidgetPrivate::CloseNoEvent);
	emit finished(r);
	if (r == Accepted)
		emit accepted();
	else if (r == Rejected)
		emit rejected();

	if (d->eventLoop)
		d->eventLoop->exit();
}

void MDialog::accept()
{
	done(Accepted);
}

void MDialog::reject()
{
	done(Rejected);
}

#include <QtGui>
#include <QWidget>
#include <QPixmap>

QT_BEGIN_HEADER

QT_MODULE(Gui)

class QDialogPrivate;

class MDialog : public QWidget
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDialog)

public:
	enum DialogCode { Rejected, Accepted };

	MDialog::MDialog(QWidget *parent = 0, Qt::WFlags flags = 0);
	MDialog::~MDialog();
	int result() const;
	void setResult(int r);

signals:
	void finished(int result);
	void accepted();
	void rejected();

public slots:
	int exec();
	void done(int r);
	void accept();
	void reject();

private:
	Q_DISABLE_COPY(MDialog)
};

QT_END_HEADER

	MDialog *message = new MDialog(this);

        int i = 0;
	if(message->exec())
		i = 1;
	else
		i = 2;

	if (message)
		delete message;

int MDialog::exec()
{
	Q_D(QDialog);
	if (d->eventLoop)
	{
		return -1;
	}
.....

void MDialog::done(int r)
{
	Q_D(QDialog);
	hide();
	setResult(r);
	d->close_helper(QWidgetPrivate::CloseNoEvent);
	emit finished(r);
	if (r == Accepted)
		emit accepted();
	else if (r == Rejected)
		emit rejected();

	if (d->eventLoop) // Вот это добавил я
		d->eventLoop->exit(); // это тоже
}

MDialog::MDialog(QWidget *parent, Qt::WFlags flags)
	: QWidget(parent, flags | QFlag(Qt::WA_ShowModal) |		   // Модальное
							  QFlag(Qt::FramelessWindowHint))  // Без заголовка, без кнопки на таскбаре
{
	// Размер
	MDialog::setGeometry(QRect(0, 0, 1024, 768));

	// Фон
	QPixmap bgPixmap("message.png"); 
	QLabel *bgLabel = new QLabel(this);
	bgLabel->setPixmap(bgPixmap);

	// Кнопки
	QPushButton *okButton = new QPushButton(tr("Продолжить"), this);
	QPushButton *cancelButton = new QPushButton(tr("Отмена"), this);
	// Настройка
	int iWidthButton = 200;
	int iHeightButton = 50;
	okButton->setGeometry(QRect(600, 440, iWidthButton, iHeightButton));
	cancelButton->setGeometry(QRect(360, 440, iWidthButton, iHeightButton));
	okButton->setDefault(true);

	// Сигналы
	connect(okButton, SIGNAL(clicked()), this, SLOT(accept()));
	connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject())); 
}

MDialog::~MDialog()
{

}

int MDialog::result() const
{
	return iResult;
}

void MDialog::setResult(int r)
{
	iResult = r;
}

int MDialog::exec()
{
	// Установка результата по умолчанию
	setResult(0);

	// Показать
	show();

	// Ожидание
	(void) eventLoop.exec();

	// Возврат результата
	return result();
}

void MDialog::done(int r)
{
	// Скрыть
	hide();

	// Установка результата
	setResult(r);
	if (r == Accepted)
		emit accepted();
	else if (r == Rejected)
		emit rejected();

	// Выход из ожидания
	eventLoop.exit();
}

void MDialog::accept()
{
	done(Accepted);
}

void MDialog::reject()
{
	done(Rejected);
}