popupim.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

/**********************************************************************
** Copyright (C) 2000-2005 Trolltech AS.  All rights reserved.
**
** This file is part of the Qtopia Environment.
** 
** 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.
** 
** A copy of the GNU GPL license version 2 is included in this package as 
** LICENSE.GPL.
**
** 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.
**
** In addition, as a special exception Trolltech gives permission to link
** the code of this program with Qtopia applications copyrighted, developed
** and distributed by Trolltech under the terms of the Qtopia Personal Use
** License Agreement. You must comply with the GNU General Public License
** in all respects for all of the code used other than the applications
** licensed under the Qtopia Personal Use License Agreement. If you modify
** this file, you may extend this exception to your version of the file,
** but you are not obligated to do so. If you do not wish to do so, delete
** this exception statement from your version.
** 
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact [e-mail] if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "popupim.h"
#include <qpushbutton.h>
#include <qlayout.h>

/*
   A virtual key for a virtual keyboard
*/
class PopupPushButton : public QPushButton
{
    Q_OBJECT
public:
    PopupPushButton ( const QChar uni, ushort key, QWidget *parent )
	: QPushButton(parent), u(uni), k(key)
    {
	connect(this, SIGNAL(pressed()), this, SLOT(sendKeyForPress()));
	connect(this, SIGNAL(released()), this, SLOT(sendKeyForRelease()));
	setText(QChar(uni));
    }
    PopupPushButton ( const QString &text, ushort key, QWidget *parent )
	: QPushButton(parent), u(0xffff), k(key)
    {
	connect(this, SIGNAL(pressed()), this, SLOT(sendKeyForPress()));
	connect(this, SIGNAL(released()), this, SLOT(sendKeyForRelease()));
	setText(text);
    }
signals:
    void keyPress(ushort, ushort, ushort, bool, bool);

private slots:
    void sendKeyForPress()
    {
	emit keyPress(u.unicode(), k, 0, TRUE, FALSE);
    }
    void sendKeyForRelease()
    {
	emit keyPress(u.unicode(), k, 0, FALSE, FALSE);
    }
private:
    QChar u;
    ushort k;
};

PopupIM::PopupIM(QWidget *parent, const char *name, int flags)
    : QWidget(parent, name, flags)
{
    // create a layout
    QGridLayout *gl = new QGridLayout(this, 5,3);
    PopupPushButton *ppb;

    // create virtual keys and add to virtual layout
    ppb = new PopupPushButton(QChar('0'), Qt::Key_0, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 0, 0);
    ppb = new PopupPushButton(QChar('1'), Qt::Key_1, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 0, 1);
    ppb = new PopupPushButton(QChar('2'), Qt::Key_2, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 0, 2);
    ppb = new PopupPushButton(QChar('3'), Qt::Key_3, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 0, 3);
    ppb = new PopupPushButton(QChar('4'), Qt::Key_4, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 0, 4);
    ppb = new PopupPushButton(QChar('5'), Qt::Key_5, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 1, 0);
    ppb = new PopupPushButton(QChar('6'), Qt::Key_6, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 1, 1);
    ppb = new PopupPushButton(QChar('7'), Qt::Key_7, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 1, 2);
    ppb = new PopupPushButton(QChar('8'), Qt::Key_8, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 1, 3);
    ppb = new PopupPushButton(QChar('9'), Qt::Key_9, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 1, 4);
    ppb = new PopupPushButton(QChar('A'), Qt::Key_A, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 2, 0);
    ppb = new PopupPushButton(QChar('B'), Qt::Key_B, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 2, 1);
    ppb = new PopupPushButton(QChar('C'), Qt::Key_C, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 2, 2);
    ppb = new PopupPushButton(QChar('D'), Qt::Key_D, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 2, 3);
    ppb = new PopupPushButton(QChar('E'), Qt::Key_E, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 2, 4);
    ppb = new PopupPushButton(QChar('F'), Qt::Key_E, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addWidget(ppb, 3, 0);

    ppb = new PopupPushButton("Back", Qt::Key_Backspace, this);
    connect(ppb, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)),
	    this, SIGNAL(keyPress(ushort, ushort, ushort, bool, bool)));
    gl->addMultiCellWidget(ppb, 3, 3, 1, 4);
}

PopupIM::~PopupIM()
{
}

#include "popupim.moc"