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diff --git a/doc/html/listbox-example.html b/doc/html/listbox-example.html new file mode 100644 index 0000000..ebf015f --- /dev/null +++ b/doc/html/listbox-example.html @@ -0,0 +1,325 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> +<!-- /home/espenr/tmp/qt-3.3.8-espenr-2499/qt-x11-free-3.3.8/examples/listbox/listbox.doc:4 --> +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> +<title>Listbox Example</title> +<style type="text/css"><!-- +fn { margin-left: 1cm; text-indent: -1cm; } +a:link { color: #004faf; text-decoration: none } +a:visited { color: #672967; text-decoration: none } +body { background: #ffffff; color: black; } +--></style> +</head> +<body> + +<table border="0" cellpadding="0" cellspacing="0" width="100%"> +<tr bgcolor="#E5E5E5"> +<td valign=center> + <a href="index.html"> +<font color="#004faf">Home</font></a> + | <a href="classes.html"> +<font color="#004faf">All Classes</font></a> + | <a href="mainclasses.html"> +<font color="#004faf">Main Classes</font></a> + | <a href="annotated.html"> +<font color="#004faf">Annotated</font></a> + | <a href="groups.html"> +<font color="#004faf">Grouped Classes</font></a> + | <a href="functions.html"> +<font color="#004faf">Functions</font></a> +</td> +<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>Listbox Example</h1> + + +<p> +This example shows how to use the different modes (single columns, multiple columns, +fixed number of rows, etc.) of <a href="qlistbox.html">QListBox</a>. +<p> <hr> +<p> Header file: +<p> <pre>/**************************************************************************** +** $Id: qt/listbox.h 3.3.8 edited Jan 11 14:37 $ +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#ifndef LISTBOX_H +#define LISTBOX_H + + +class QSpinBox; +class QListBox; +class QButtonGroup; + +#include <<a href="qwidget-h.html">qwidget.h</a>> + + +class ListBoxDemo: public <a href="qwidget.html">QWidget</a> +{ + <a href="metaobjects.html#Q_OBJECT">Q_OBJECT</a> +public: + ListBoxDemo(); + ~ListBoxDemo(); + +private slots: + void setNumRows(); + void setNumCols(); + void setRowsByHeight(); + void setColsByWidth(); + void setVariableWidth( bool ); + void setVariableHeight( bool ); + void setMultiSelection( bool ); + void sortAscending(); + void sortDescending(); + +private: + <a href="qlistbox.html">QListBox</a> * l; + <a href="qspinbox.html">QSpinBox</a> * columns; + <a href="qspinbox.html">QSpinBox</a> * rows; + <a href="qbuttongroup.html">QButtonGroup</a> * bg; +}; + + +#endif +</pre> + +<p> <hr> +<p> Implementation: +<p> <pre>/**************************************************************************** +** $Id: qt/listbox.cpp 3.3.8 edited Jan 11 14:37 $ +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "listbox.h" + +#include <<a href="qlabel-h.html">qlabel.h</a>> +#include <<a href="qradiobutton-h.html">qradiobutton.h</a>> +#include <<a href="qcheckbox-h.html">qcheckbox.h</a>> +#include <<a href="qspinbox-h.html">qspinbox.h</a>> +#include <<a href="qlistbox-h.html">qlistbox.h</a>> +#include <<a href="qbuttongroup-h.html">qbuttongroup.h</a>> +#include <<a href="qlayout-h.html">qlayout.h</a>> +#include <<a href="qpushbutton-h.html">qpushbutton.h</a>> + + +<a name="f441"></a>ListBoxDemo::ListBoxDemo() + : <a href="qwidget.html">QWidget</a>( 0, 0 ) +{ + <a href="qgridlayout.html">QGridLayout</a> * g = new <a href="qgridlayout.html">QGridLayout</a>( this, 2, 2, 6 ); + + g-><a href="qgridlayout.html#addWidget">addWidget</a>( new <a href="qlabel.html">QLabel</a>( "<b>Configuration:</b>", this ), 0, 0 ); + g-><a href="qgridlayout.html#addWidget">addWidget</a>( new <a href="qlabel.html">QLabel</a>( "<b>Result:</b>", this ), 0, 1 ); + + l = new <a href="qlistbox.html">QListBox</a>( this ); + g-><a href="qgridlayout.html#addWidget">addWidget</a>( l, 1, 1 ); +<a name="x1447"></a> l-><a href="qwidget.html#setFocusPolicy">setFocusPolicy</a>( QWidget::StrongFocus ); + + <a href="qvboxlayout.html">QVBoxLayout</a> * v = new <a href="qvboxlayout.html">QVBoxLayout</a>; +<a name="x1430"></a> g-><a href="qgridlayout.html#addLayout">addLayout</a>( v, 1, 0 ); + + <a href="qradiobutton.html">QRadioButton</a> * b; + bg = new <a href="qbuttongroup.html">QButtonGroup</a>( 0 ); + + b = new <a href="qradiobutton.html">QRadioButton</a>( "Fixed number of columns,\n" + "as many rows as needed.", + this ); +<a name="x1428"></a> bg-><a href="qbuttongroup.html#insert">insert</a>( b ); +<a name="x1425"></a> v-><a href="qboxlayout.html#addWidget">addWidget</a>( b ); +<a name="x1440"></a> b-><a href="qradiobutton.html#setChecked">setChecked</a>( TRUE ); +<a name="x1426"></a> <a href="qobject.html#connect">connect</a>( b, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), this, SLOT(setNumCols()) ); + <a href="qhboxlayout.html">QHBoxLayout</a> * h = new <a href="qhboxlayout.html">QHBoxLayout</a>; +<a name="x1422"></a> v-><a href="qboxlayout.html#addLayout">addLayout</a>( h ); +<a name="x1423"></a> h-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 30 ); + h-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 100 ); + h-><a href="qboxlayout.html#addWidget">addWidget</a>( new <a href="qlabel.html">QLabel</a>( "Columns:", this ) ); + columns = new <a href="qspinbox.html">QSpinBox</a>( this ); + h-><a href="qboxlayout.html#addWidget">addWidget</a>( columns ); + + v-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 12 ); + + b = new <a href="qradiobutton.html">QRadioButton</a>( "As many columns as fit on-screen,\n" + "as many rows as needed.", + this ); + bg-><a href="qbuttongroup.html#insert">insert</a>( b ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( b ); + <a href="qobject.html#connect">connect</a>( b, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), this, SLOT(setColsByWidth()) ); + + v-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 12 ); + + b = new <a href="qradiobutton.html">QRadioButton</a>( "Fixed number of rows,\n" + "as many columns as needed.", + this ); + bg-><a href="qbuttongroup.html#insert">insert</a>( b ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( b ); + <a href="qobject.html#connect">connect</a>( b, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), this, SLOT(setNumRows()) ); + h = new <a href="qhboxlayout.html">QHBoxLayout</a>; + v-><a href="qboxlayout.html#addLayout">addLayout</a>( h ); + h-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 30 ); + h-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 100 ); + h-><a href="qboxlayout.html#addWidget">addWidget</a>( new <a href="qlabel.html">QLabel</a>( "Rows:", this ) ); + rows = new <a href="qspinbox.html">QSpinBox</a>( this ); +<a name="x1442"></a> rows-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); + h-><a href="qboxlayout.html#addWidget">addWidget</a>( rows ); + + v-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 12 ); + + b = new <a href="qradiobutton.html">QRadioButton</a>( "As many rows as fit on-screen,\n" + "as many columns as needed.", + this ); + bg-><a href="qbuttongroup.html#insert">insert</a>( b ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( b ); + <a href="qobject.html#connect">connect</a>( b, SIGNAL(<a href="qbutton.html#clicked">clicked</a>()), this, SLOT(setRowsByHeight()) ); + + v-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 12 ); + + <a href="qcheckbox.html">QCheckBox</a> * cb = new <a href="qcheckbox.html">QCheckBox</a>( "Variable-height rows", this ); +<a name="x1429"></a> cb-><a href="qcheckbox.html#setChecked">setChecked</a>( TRUE ); +<a name="x1427"></a> <a href="qobject.html#connect">connect</a>( cb, SIGNAL(<a href="qbutton.html#toggled">toggled</a>(bool)), this, SLOT(setVariableHeight(bool)) ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( cb ); + v-><a href="qboxlayout.html#addSpacing">addSpacing</a>( 6 ); + + cb = new <a href="qcheckbox.html">QCheckBox</a>( "Variable-width columns", this ); + <a href="qobject.html#connect">connect</a>( cb, SIGNAL(<a href="qbutton.html#toggled">toggled</a>(bool)), this, SLOT(setVariableWidth(bool)) ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( cb ); + + cb = new <a href="qcheckbox.html">QCheckBox</a>( "Extended-Selection", this ); + <a href="qobject.html#connect">connect</a>( cb, SIGNAL(<a href="qbutton.html#toggled">toggled</a>(bool)), this, SLOT(setMultiSelection(bool)) ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( cb ); + + <a href="qpushbutton.html">QPushButton</a> *pb = new <a href="qpushbutton.html">QPushButton</a>( "Sort ascending", this ); + <a href="qobject.html#connect">connect</a>( pb, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( sortAscending() ) ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( pb ); + + pb = new <a href="qpushbutton.html">QPushButton</a>( "Sort descending", this ); + <a href="qobject.html#connect">connect</a>( pb, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( sortDescending() ) ); + v-><a href="qboxlayout.html#addWidget">addWidget</a>( pb ); + +<a name="x1424"></a> v-><a href="qboxlayout.html#addStretch">addStretch</a>( 100 ); + + int i = 0; + while( ++i <= 2560 ) +<a name="x1446"></a><a name="x1433"></a> l-><a href="qlistbox.html#insertItem">insertItem</a>( QString::<a href="qstring.html#fromLatin1">fromLatin1</a>( "Item " ) + QString::number( i ), + i ); +<a name="x1441"></a> columns-><a href="qrangecontrol.html#setRange">setRange</a>( 1, 256 ); +<a name="x1443"></a> columns-><a href="qspinbox.html#setValue">setValue</a>( 1 ); + rows-><a href="qrangecontrol.html#setRange">setRange</a>( 1, 256 ); + rows-><a href="qspinbox.html#setValue">setValue</a>( 256 ); + +<a name="x1445"></a> <a href="qobject.html#connect">connect</a>( columns, SIGNAL(<a href="qspinbox.html#valueChanged">valueChanged</a>(int)), this, SLOT(setNumCols()) ); + <a href="qobject.html#connect">connect</a>( rows, SIGNAL(<a href="qspinbox.html#valueChanged">valueChanged</a>(int)), this, SLOT(setNumRows()) ); +} + + +ListBoxDemo::~ListBoxDemo() +{ + delete bg; +} + + +void <a name="f442"></a>ListBoxDemo::setNumRows() +{ + columns-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); + rows-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE ); +<a name="x1444"></a><a name="x1435"></a> l-><a href="qlistbox.html#setRowMode">setRowMode</a>( rows-><a href="qspinbox.html#value">value</a>() ); +} + + +void <a name="f443"></a>ListBoxDemo::setNumCols() +{ + columns-><a href="qwidget.html#setEnabled">setEnabled</a>( TRUE ); + rows-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); +<a name="x1434"></a> l-><a href="qlistbox.html#setColumnMode">setColumnMode</a>( columns-><a href="qspinbox.html#value">value</a>() ); +} + + +void <a name="f444"></a>ListBoxDemo::setRowsByHeight() +{ + columns-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); + rows-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); + l-><a href="qlistbox.html#setRowMode">setRowMode</a>( QListBox::FitToHeight ); +} + + +void <a name="f445"></a>ListBoxDemo::setColsByWidth() +{ + columns-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); + rows-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); + l-><a href="qlistbox.html#setColumnMode">setColumnMode</a>( QListBox::FitToWidth ); +} + + +void <a name="f446"></a>ListBoxDemo::setVariableWidth( bool b ) +{ +<a name="x1438"></a> l-><a href="qlistbox.html#setVariableWidth">setVariableWidth</a>( b ); +} + + +void <a name="f447"></a>ListBoxDemo::setVariableHeight( bool b ) +{ +<a name="x1437"></a> l-><a href="qlistbox.html#setVariableHeight">setVariableHeight</a>( b ); +} + +void <a name="f448"></a>ListBoxDemo::setMultiSelection( bool b ) +{ +<a name="x1432"></a> l-><a href="qlistbox.html#clearSelection">clearSelection</a>(); +<a name="x1436"></a> l-><a href="qlistbox.html#setSelectionMode">setSelectionMode</a>( b ? QListBox::Extended : <a href="qlistbox.html">QListBox</a>::Single ); +} + +void <a name="f449"></a>ListBoxDemo::sortAscending() +{ +<a name="x1439"></a> l-><a href="qlistbox.html#sort">sort</a>( TRUE ); +} + +void <a name="f450"></a>ListBoxDemo::sortDescending() +{ + l-><a href="qlistbox.html#sort">sort</a>( FALSE ); +} +</pre> + +<p> <hr> +<p> Main: +<p> <pre>/**************************************************************************** +** $Id: qt/main.cpp 3.3.8 edited Jan 11 14:37 $ +** +** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved. +** +** This file is part of an example program for Qt. This example +** program may be used, distributed and modified without limitation. +** +*****************************************************************************/ + +#include "listbox.h" +#include <<a href="qapplication-h.html">qapplication.h</a>> + +int main( int argc, char **argv ) +{ + <a href="qapplication.html">QApplication</a> a( argc, argv ); + + ListBoxDemo t; + t.<a href="qwidget.html#setCaption">setCaption</a>( "Qt Example - Listbox" ); + a.<a href="qapplication.html#setMainWidget">setMainWidget</a>( &t ); + t.<a href="qwidget.html#show">show</a>(); + + return a.<a href="qapplication.html#exec">exec</a>(); +} +</pre> + +<p>See also <a href="examples.html">Examples</a>. + +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>Qt 3.3.8</div> +</table></div></address></body> +</html> |