examples/layouts/basiclayouts/dialog.cpp
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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)
       
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     7 ** This file is part of the examples of the Qt Toolkit.
       
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     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
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    20 ** packaging of this file.  Please review the following information to
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
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    29 ** Nokia at qt-info@nokia.com.
       
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    32 **
       
    33 **
       
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    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include <QtGui>
       
    43 
       
    44 #include "dialog.h"
       
    45 
       
    46 //! [0]
       
    47 Dialog::Dialog()
       
    48 {
       
    49     createMenu();
       
    50     createHorizontalGroupBox();
       
    51     createGridGroupBox();
       
    52     createFormGroupBox();
       
    53 //! [0]
       
    54 
       
    55 //! [1]
       
    56     bigEditor = new QTextEdit;
       
    57     bigEditor->setPlainText(tr("This widget takes up all the remaining space "
       
    58                                "in the top-level layout."));
       
    59 
       
    60     buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
       
    61                                      | QDialogButtonBox::Cancel);
       
    62 
       
    63     connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
       
    64     connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
       
    65 //! [1]
       
    66 
       
    67 //! [2]
       
    68     QVBoxLayout *mainLayout = new QVBoxLayout;
       
    69 //! [2] //! [3]
       
    70     mainLayout->setMenuBar(menuBar);
       
    71 //! [3] //! [4]
       
    72     mainLayout->addWidget(horizontalGroupBox);
       
    73     mainLayout->addWidget(gridGroupBox);
       
    74     mainLayout->addWidget(formGroupBox);
       
    75     mainLayout->addWidget(bigEditor);
       
    76     mainLayout->addWidget(buttonBox);
       
    77 //! [4] //! [5]
       
    78     setLayout(mainLayout);
       
    79 
       
    80     setWindowTitle(tr("Basic Layouts"));
       
    81 }
       
    82 //! [5]
       
    83 
       
    84 //! [6]
       
    85 void Dialog::createMenu()
       
    86 {
       
    87     menuBar = new QMenuBar;
       
    88 
       
    89     fileMenu = new QMenu(tr("&File"), this);
       
    90     exitAction = fileMenu->addAction(tr("E&xit"));
       
    91     menuBar->addMenu(fileMenu);
       
    92 
       
    93     connect(exitAction, SIGNAL(triggered()), this, SLOT(accept()));
       
    94 }
       
    95 //! [6]
       
    96 
       
    97 //! [7]
       
    98 void Dialog::createHorizontalGroupBox()
       
    99 {
       
   100     horizontalGroupBox = new QGroupBox(tr("Horizontal layout"));
       
   101     QHBoxLayout *layout = new QHBoxLayout;
       
   102 
       
   103     for (int i = 0; i < NumButtons; ++i) {
       
   104         buttons[i] = new QPushButton(tr("Button %1").arg(i + 1));
       
   105 	layout->addWidget(buttons[i]);
       
   106     }
       
   107     horizontalGroupBox->setLayout(layout);
       
   108 }
       
   109 //! [7]
       
   110 
       
   111 //! [8]
       
   112 void Dialog::createGridGroupBox()
       
   113 {
       
   114     gridGroupBox = new QGroupBox(tr("Grid layout"));
       
   115 //! [8]
       
   116     QGridLayout *layout = new QGridLayout;
       
   117 
       
   118 //! [9]
       
   119     for (int i = 0; i < NumGridRows; ++i) {
       
   120 	labels[i] = new QLabel(tr("Line %1:").arg(i + 1));
       
   121 	lineEdits[i] = new QLineEdit;
       
   122 	layout->addWidget(labels[i], i + 1, 0);
       
   123 	layout->addWidget(lineEdits[i], i + 1, 1);
       
   124     }
       
   125 
       
   126 //! [9] //! [10]
       
   127     smallEditor = new QTextEdit;
       
   128     smallEditor->setPlainText(tr("This widget takes up about two thirds of the "
       
   129                                  "grid layout."));
       
   130     layout->addWidget(smallEditor, 0, 2, 4, 1);
       
   131 //! [10]
       
   132 
       
   133 //! [11]
       
   134     layout->setColumnStretch(1, 10);
       
   135     layout->setColumnStretch(2, 20);
       
   136     gridGroupBox->setLayout(layout);
       
   137 }
       
   138 //! [11]
       
   139 
       
   140 //! [12]
       
   141 void Dialog::createFormGroupBox()
       
   142 {
       
   143     formGroupBox = new QGroupBox(tr("Form layout"));
       
   144     QFormLayout *layout = new QFormLayout;
       
   145     layout->addRow(new QLabel(tr("Line 1:")), new QLineEdit);
       
   146     layout->addRow(new QLabel(tr("Line 2, long text:")), new QComboBox);
       
   147     layout->addRow(new QLabel(tr("Line 3:")), new QSpinBox);
       
   148     formGroupBox->setLayout(layout);
       
   149 }
       
   150 //! [12]