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+ /*
+  * multilineinput.h - simple dialog to get MultiLine text from user
+  * Copyright (C) 2005  Maciej Niedzielski
+  *
+  * This program is free software; you can redistribute it and/or
+  * modify it under the terms of the GNU General Public License
+  * as published by the Free Software Foundation; either version 2
+  * of the License, or (at your option) any later version.
+  *
+  * This program is distributed in the hope that it will be useful,
+  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  * GNU General Public License for more details.
+  *
+  * You should have received a copy of the GNU General Public License
+  * along with this library; if not, write to the Free Software
+  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+  *
+  */
+ 
+ #include "multilineinput.h"
+ 
+ #include <qlabel.h>
+ #include <qlayout.h>
+ #include <qpushbutton.h>
+ #include <qtextedit.h>
+ 
+ /*
+ 	Multiline edit control for MultiLineInputDialog class,
+ 	introduced to control hotkeys.
+ */
+ 
+ class MultiLineInputDialog::Mle : public QTextEdit {
+ public:
+ 	Mle(QWidget *parent) : QTextEdit(parent) {}
+ 
+ 	void keyPressEvent(QKeyEvent *e) {
+ 		if(e->key() == Key_Return && ((e->state() & ControlButton) || (e->state() & AltButton)) )
+ 			e->ignore();
+ 		else
+ 			QTextEdit::keyPressEvent(e);
+ 	}
+ };
+ 
+ 
+ /*!
+ 	\class MultiLineInputDialog multilineinput.h
+ 	\brief The MultiLineInputDialog class provides a simple dialog to get a multiline string from the user.
+ 
+ 	\mainclass
+ 
+ 	MultiLineInputDialog class is a QInputDialog like class, providing a way to get a multiline string from the user.
+ 
+ 	\code
+ 	bool ok;
+ 	QString text = MultiLineInputDialog::getMultiLineText(
+ 			"New Fortune", "Please enter the new fortune:", true,
+ 			QString::null, &ok, this);
+ 
+ 	if ( ok && !text.isEmpty() ) {
+ 		// user entered something and pressed OK
+ 	} else {
+ 		// user entered nothing or pressed Cancel
+ 	}
+ 	\endcode
+ 
+ 	Pressing Ctrl+Tab will always input tab into the edit field.
+ 	Ctrl+Enter or Alt+Enter will invoke Ok.
+ 
+ 	\sa QInputDialog
+ */
+ 
+ /*!
+ 	Constructs the dialog. The \a caption is the text in dialog's caption,
+ 	the \a label test is information for user what they are expected to enter.
+ 	The \a parent is the dialog's parent widget. The widget is called \a name. If \a
+ 	modal is TRUE (the default) the dialog will be modal.
+ 
+ 	\sa getMultiLineText()
+ */
+ 
+ MultiLineInputDialog::MultiLineInputDialog(const QString &caption, const QString &label, bool tabChangesFocus,
+ 					const QString &text, QWidget *parent, const char *name, bool modal, WFlags f)
+ 	: QDialog (parent, name, modal, f) {
+ 
+ 	setCaption(caption);
+ 
+ 	QVBoxLayout *vbox = new QVBoxLayout(this, 3);
+ 	vbox->addWidget(new QLabel(label, this));
+ 
+ 	mle = new Mle(this);
+ 	mle->setText(text);
+ 	mle->setTabChangesFocus(tabChangesFocus);
+ 
+ 	vbox->addWidget(mle);
+ 
+ 	QHBoxLayout *hbox = new QHBoxLayout(6);
+ 	vbox->addLayout(hbox, AlignRight);
+ 
+ 	QPushButton *ok = new QPushButton(tr("OK"), this, "qt_ok_btn" );
+ 	ok->setDefault(TRUE);
+ 	QPushButton *cancel = new QPushButton(tr("Cancel"), this, "qt_cancel_btn" );
+ 
+ 	QSize bs = ok->sizeHint().expandedTo(cancel->sizeHint());
+ 	ok->setFixedSize(bs);
+ 	cancel->setFixedSize(bs);
+ 
+ 	hbox->addStretch();
+ 	hbox->addWidget(ok);
+ 	hbox->addWidget(cancel);
+ 
+ 	connect( ok, SIGNAL( clicked() ), this, SLOT( accept() ) );
+ 	connect( cancel, SIGNAL( clicked() ), this,SLOT( reject() ) );
+ 
+ 	QSize sh = sizeHint().expandedTo(QSize(400, 10));
+ 	resize(sh.width(),vbox->heightForWidth(sh.width()));
+ }
+ 
+ /*!
+ 	Static function to input multiline text from user.
+ 
+ 	The \a caption is the text in dialog's caption,
+ 	the \a label test is information for user what they are expected to enter.
+ 	The \a parent is the dialog's parent widget. The widget is called \a name. If \a
+ 	tabChangesFocus is TRUE, pressing Tab key while edit area is focused will change focused
+ 	widget - otherwise it will input tab character.
+ */
+ 
+ QString MultiLineInputDialog::getMultiLineText(const QString &caption, const QString &label, bool tabChangesFocus,
+ 							const QString &text, bool *ok, QWidget *parent, const char *name) {
+ 
+ 	MultiLineInputDialog *dlg = new MultiLineInputDialog(caption, label, tabChangesFocus, text, parent,
+ 		name? name : "input_MultiLine_text_dlg", TRUE);
+ 	QString result;
+ 
+ 	bool isOk = ( dlg->exec() == QDialog::Accepted );
+ 
+ 	if ( ok ) {
+ 		*ok = isOk;
+ 	}
+ 
+ 	if ( isOk ) {
+ 		result = dlg->mle->text();
+ 	}
+ 
+ 	delete dlg;
+ 	return result;
+ }
+ 
+ /*!
+ 	Keyboard events filter to enable desired hotkeys.
+ */
+     
+ void MultiLineInputDialog::keyPressEvent(QKeyEvent *e)
+ {
+ 	if ( e->key() == Key_Tab && e->state() & ControlButton )
+ 		mle->insert("\t");
+ 	else if ( e->key() == Key_Return && ((e->state() & ControlButton) || (e->state() & AltButton)) )
+ 		accept();		
+ 	else
+ 		e->ignore();		
+ }