examples/tools/inputpanel/myinputpanel.cpp
changeset 0 1918ee327afb
child 3 41300fa6a67c
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the examples of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "myinputpanel.h"
       
    43 
       
    44 //! [0]
       
    45 
       
    46 MyInputPanel::MyInputPanel()
       
    47     : QWidget(0, Qt::Tool | Qt::WindowStaysOnTopHint),
       
    48       lastFocusedWidget(0)
       
    49 {
       
    50     form.setupUi(this);
       
    51 
       
    52     connect(qApp, SIGNAL(focusChanged(QWidget *, QWidget *)),
       
    53             this, SLOT(saveFocusWidget(QWidget *, QWidget *)));
       
    54 
       
    55     signalMapper.setMapping(form.panelButton_1, form.panelButton_1);
       
    56     signalMapper.setMapping(form.panelButton_2, form.panelButton_2);
       
    57     signalMapper.setMapping(form.panelButton_3, form.panelButton_3);
       
    58     signalMapper.setMapping(form.panelButton_4, form.panelButton_4);
       
    59     signalMapper.setMapping(form.panelButton_5, form.panelButton_5);
       
    60     signalMapper.setMapping(form.panelButton_6, form.panelButton_6);
       
    61     signalMapper.setMapping(form.panelButton_7, form.panelButton_7);
       
    62     signalMapper.setMapping(form.panelButton_8, form.panelButton_8);
       
    63     signalMapper.setMapping(form.panelButton_9, form.panelButton_9);
       
    64     signalMapper.setMapping(form.panelButton_star, form.panelButton_star);
       
    65     signalMapper.setMapping(form.panelButton_0, form.panelButton_0);
       
    66     signalMapper.setMapping(form.panelButton_hash, form.panelButton_hash);
       
    67 
       
    68     connect(form.panelButton_1, SIGNAL(clicked()),
       
    69             &signalMapper, SLOT(map()));
       
    70     connect(form.panelButton_2, SIGNAL(clicked()),
       
    71             &signalMapper, SLOT(map()));
       
    72     connect(form.panelButton_3, SIGNAL(clicked()),
       
    73             &signalMapper, SLOT(map()));
       
    74     connect(form.panelButton_4, SIGNAL(clicked()),
       
    75             &signalMapper, SLOT(map()));
       
    76     connect(form.panelButton_5, SIGNAL(clicked()),
       
    77             &signalMapper, SLOT(map()));
       
    78     connect(form.panelButton_6, SIGNAL(clicked()),
       
    79             &signalMapper, SLOT(map()));
       
    80     connect(form.panelButton_7, SIGNAL(clicked()),
       
    81             &signalMapper, SLOT(map()));
       
    82     connect(form.panelButton_8, SIGNAL(clicked()),
       
    83             &signalMapper, SLOT(map()));
       
    84     connect(form.panelButton_9, SIGNAL(clicked()),
       
    85             &signalMapper, SLOT(map()));
       
    86     connect(form.panelButton_star, SIGNAL(clicked()),
       
    87             &signalMapper, SLOT(map()));
       
    88     connect(form.panelButton_0, SIGNAL(clicked()),
       
    89             &signalMapper, SLOT(map()));
       
    90     connect(form.panelButton_hash, SIGNAL(clicked()),
       
    91             &signalMapper, SLOT(map()));
       
    92 
       
    93     connect(&signalMapper, SIGNAL(mapped(QWidget *)),
       
    94             this, SLOT(buttonClicked(QWidget *)));
       
    95 }
       
    96 
       
    97 //! [0]
       
    98 
       
    99 bool MyInputPanel::event(QEvent *e)
       
   100 {
       
   101     switch (e->type()) {
       
   102 //! [1]
       
   103     case QEvent::WindowActivate:
       
   104         if (lastFocusedWidget)
       
   105             lastFocusedWidget->activateWindow();
       
   106         break;
       
   107 //! [1]
       
   108     default:
       
   109         break;
       
   110     }
       
   111 
       
   112     return QWidget::event(e);
       
   113 }
       
   114 
       
   115 //! [2]
       
   116 
       
   117 void MyInputPanel::saveFocusWidget(QWidget * /*oldFocus*/, QWidget *newFocus)
       
   118 {
       
   119     if (newFocus != 0 && !this->isAncestorOf(newFocus)) {
       
   120         lastFocusedWidget = newFocus;
       
   121     }
       
   122 }
       
   123 
       
   124 //! [2]
       
   125 
       
   126 //! [3]
       
   127 
       
   128 void MyInputPanel::buttonClicked(QWidget *w)
       
   129 {
       
   130     QChar chr = qvariant_cast<QChar>(w->property("buttonValue"));
       
   131     emit characterGenerated(chr);
       
   132 }
       
   133 
       
   134 //! [3]