<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!-- /home/espenr/tmp/qt-3.2-espenr-29145/qt-x11-free-3.2.3/doc/tutorial2.doc:15 --> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>chart/setdataform.cpp Example File</title> <style type="text/css"><!-- h3.fn,span.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>chart/setdataform.cpp Example File</h1> <pre>#include "setdataform.h" #include "chartform.h" #include <<a href="qcolordialog-h.html">qcolordialog.h</a>> #include <<a href="qcombobox-h.html">qcombobox.h</a>> #include <<a href="qlayout-h.html">qlayout.h</a>> #include <<a href="qpixmap-h.html">qpixmap.h</a>> #include <<a href="qpushbutton-h.html">qpushbutton.h</a>> #include <<a href="qtable-h.html">qtable.h</a>> #include "images/pattern01.xpm" #include "images/pattern02.xpm" #include "images/pattern03.xpm" #include "images/pattern04.xpm" #include "images/pattern05.xpm" #include "images/pattern06.xpm" #include "images/pattern07.xpm" #include "images/pattern08.xpm" #include "images/pattern09.xpm" #include "images/pattern10.xpm" #include "images/pattern11.xpm" #include "images/pattern12.xpm" #include "images/pattern13.xpm" #include "images/pattern14.xpm" const int MAX_PATTERNS = 14; <a name="f178"></a>SetDataForm::SetDataForm( ElementVector *elements, int decimalPlaces, <a href="qwidget.html">QWidget</a>* parent, const char* name, bool modal, WFlags f ) : <a href="qdialog.html">QDialog</a>( parent, name, modal, f ) { m_elements = elements; m_decimalPlaces = decimalPlaces; <a href="qwidget.html#setCaption">setCaption</a>( "Chart -- Set Data" ); <a href="qwidget.html#resize">resize</a>( 540, 440 ); tableButtonBox = new <a href="qvboxlayout.html">QVBoxLayout</a>( this, 11, 6, "table button box layout" ); table = new <a href="qtable.html">QTable</a>( this, "data table" ); table-><a href="qtable.html#setNumCols">setNumCols</a>( 5 ); table-><a href="qtable.html#setNumRows">setNumRows</a>( ChartForm::MAX_ELEMENTS ); table-><a href="qtable.html#setColumnReadOnly">setColumnReadOnly</a>( 1, TRUE ); table-><a href="qtable.html#setColumnReadOnly">setColumnReadOnly</a>( 2, TRUE ); table-><a href="qtable.html#setColumnReadOnly">setColumnReadOnly</a>( 4, TRUE ); table-><a href="qtable.html#setColumnWidth">setColumnWidth</a>( 0, 80 ); table-><a href="qtable.html#setColumnWidth">setColumnWidth</a>( 1, 60 ); // Columns 1 and 4 must be equal table-><a href="qtable.html#setColumnWidth">setColumnWidth</a>( 2, 60 ); table-><a href="qtable.html#setColumnWidth">setColumnWidth</a>( 3, 200 ); table-><a href="qtable.html#setColumnWidth">setColumnWidth</a>( 4, 60 ); <a href="qheader.html">QHeader</a> *th = table-><a href="qtable.html#horizontalHeader">horizontalHeader</a>(); th-><a href="qheader.html#setLabel">setLabel</a>( 0, "Value" ); th-><a href="qheader.html#setLabel">setLabel</a>( 1, "Color" ); th-><a href="qheader.html#setLabel">setLabel</a>( 2, "Pattern" ); th-><a href="qheader.html#setLabel">setLabel</a>( 3, "Label" ); th-><a href="qheader.html#setLabel">setLabel</a>( 4, "Color" ); tableButtonBox-><a href="qboxlayout.html#addWidget">addWidget</a>( table ); buttonBox = new <a href="qhboxlayout.html">QHBoxLayout</a>( 0, 0, 6, "button box layout" ); colorPushButton = new <a href="qpushbutton.html">QPushButton</a>( this, "color button" ); colorPushButton-><a href="qbutton.html#setText">setText</a>( "&Color..." ); colorPushButton-><a href="qwidget.html#setEnabled">setEnabled</a>( FALSE ); buttonBox-><a href="qboxlayout.html#addWidget">addWidget</a>( colorPushButton ); <a href="qspaceritem.html">QSpacerItem</a> *spacer = new <a href="qspaceritem.html">QSpacerItem</a>( 0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum ); buttonBox-><a href="qboxlayout.html#addItem">addItem</a>( spacer ); okPushButton = new <a href="qpushbutton.html">QPushButton</a>( this, "ok button" ); okPushButton-><a href="qbutton.html#setText">setText</a>( "OK" ); okPushButton-><a href="qpushbutton.html#setDefault">setDefault</a>( TRUE ); buttonBox-><a href="qboxlayout.html#addWidget">addWidget</a>( okPushButton ); cancelPushButton = new <a href="qpushbutton.html">QPushButton</a>( this, "cancel button" ); cancelPushButton-><a href="qbutton.html#setText">setText</a>( "Cancel" ); cancelPushButton-><a href="qbutton.html#setAccel">setAccel</a>( Key_Escape ); buttonBox-><a href="qboxlayout.html#addWidget">addWidget</a>( cancelPushButton ); tableButtonBox-><a href="qboxlayout.html#addLayout">addLayout</a>( buttonBox ); <a href="qobject.html#connect">connect</a>( table, SIGNAL( <a href="qtable.html#clicked">clicked</a>(int,int,int,const <a href="qpoint.html">QPoint</a>&) ), this, SLOT( setColor(int,int) ) ); <a href="qobject.html#connect">connect</a>( table, SIGNAL( <a href="qtable.html#currentChanged">currentChanged</a>(int,int) ), this, SLOT( currentChanged(int,int) ) ); <a href="qobject.html#connect">connect</a>( table, SIGNAL( <a href="qtable.html#valueChanged">valueChanged</a>(int,int) ), this, SLOT( valueChanged(int,int) ) ); <a href="qobject.html#connect">connect</a>( colorPushButton, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( setColor() ) ); <a href="qobject.html#connect">connect</a>( okPushButton, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( <a href="qdialog.html#accept">accept</a>() ) ); <a href="qobject.html#connect">connect</a>( cancelPushButton, SIGNAL( <a href="qbutton.html#clicked">clicked</a>() ), this, SLOT( <a href="qdialog.html#reject">reject</a>() ) ); QPixmap patterns[MAX_PATTERNS]; patterns[0] = QPixmap( pattern01 ); patterns[1] = QPixmap( pattern02 ); patterns[2] = QPixmap( pattern03 ); patterns[3] = QPixmap( pattern04 ); patterns[4] = QPixmap( pattern05 ); patterns[5] = QPixmap( pattern06 ); patterns[6] = QPixmap( pattern07 ); patterns[7] = QPixmap( pattern08 ); patterns[8] = QPixmap( pattern09 ); patterns[9] = QPixmap( pattern10 ); patterns[10] = QPixmap( pattern11 ); patterns[11] = QPixmap( pattern12 ); patterns[12] = QPixmap( pattern13 ); patterns[13] = QPixmap( pattern14 ); <a href="qrect.html">QRect</a> rect = table-><a href="qtable.html#cellRect">cellRect</a>( 0, 1 ); <a href="qpixmap.html">QPixmap</a> pix( rect.<a href="qrect.html#width">width</a>(), rect.<a href="qrect.html#height">height</a>() ); for ( int i = 0; i < ChartForm::MAX_ELEMENTS; ++i ) { Element element = (*m_elements)[i]; if ( element.isValid() ) table-><a href="qtable.html#setText">setText</a>( i, 0, QString( "%1" ).arg( element.value(), 0, 'f', m_decimalPlaces ) ); <a href="qcolor.html">QColor</a> color = element.valueColor(); pix.<a href="qpixmap.html#fill">fill</a>( color ); table-><a href="qtable.html#setPixmap">setPixmap</a>( i, 1, pix ); table-><a href="qtable.html#setText">setText</a>( i, 1, color.<a href="qcolor.html#name">name</a>() ); <a href="qcombobox.html">QComboBox</a> *combobox = new <a href="qcombobox.html">QComboBox</a>; for ( int j = 0; j < MAX_PATTERNS; ++j ) combobox-><a href="qcombobox.html#insertItem">insertItem</a>( patterns[j] ); combobox-><a href="qcombobox.html#setCurrentItem">setCurrentItem</a>( element.valuePattern() - 1 ); table-><a href="qtable.html#setCellWidget">setCellWidget</a>( i, 2, combobox ); table-><a href="qtable.html#setText">setText</a>( i, 3, element.label() ); color = element.labelColor(); pix.<a href="qpixmap.html#fill">fill</a>( color ); table-><a href="qtable.html#setPixmap">setPixmap</a>( i, 4, pix ); table-><a href="qtable.html#setText">setText</a>( i, 4, color.<a href="qcolor.html#name">name</a>() ); } } void <a name="f179"></a>SetDataForm::currentChanged( int, int col ) { colorPushButton-><a href="qwidget.html#setEnabled">setEnabled</a>( col == 1 || col == 4 ); } void <a name="f180"></a>SetDataForm::valueChanged( int row, int col ) { if ( col == 0 ) { bool ok; double d = table-><a href="qtable.html#text">text</a>( row, col ).toDouble( &ok ); if ( ok && d > EPSILON ) table-><a href="qtable.html#setText">setText</a>( row, col, QString( "%1" ).arg( d, 0, 'f', m_decimalPlaces ) ); else if ( !table-><a href="qtable.html#text">text</a>( row, col ).isEmpty() ) table-><a href="qtable.html#setText">setText</a>( row, col, table-><a href="qtable.html#text">text</a>( row, col ) + "?" ); } } void <a name="f181"></a>SetDataForm::setColor() { setColor( table-><a href="qtable.html#currentRow">currentRow</a>(), table-><a href="qtable.html#currentColumn">currentColumn</a>() ); table-><a href="qwidget.html#setFocus">setFocus</a>(); } void SetDataForm::setColor( int row, int col ) { if ( !( col == 1 || col == 4 ) ) return; <a href="qcolor.html">QColor</a> color = QColorDialog::<a href="qcolordialog.html#getColor">getColor</a>( QColor( table-><a href="qtable.html#text">text</a>( row, col ) ), this, "color dialog" ); if ( color.<a href="qcolor.html#isValid">isValid</a>() ) { <a href="qpixmap.html">QPixmap</a> pix = table-><a href="qtable.html#pixmap">pixmap</a>( row, col ); pix.<a href="qpixmap.html#fill">fill</a>( color ); table-><a href="qtable.html#setPixmap">setPixmap</a>( row, col, pix ); table-><a href="qtable.html#setText">setText</a>( row, col, color.<a href="qcolor.html#name">name</a>() ); } } void SetDataForm::<a href="qdialog.html#accept">accept</a>() { bool ok; for ( int i = 0; i < ChartForm::MAX_ELEMENTS; ++i ) { Element &element = (*m_elements)[i]; double d = table-><a href="qtable.html#text">text</a>( i, 0 ).toDouble( &ok ); if ( ok ) element.setValue( d ); else element.setValue( Element::INVALID ); element.setValueColor( QColor( table-><a href="qtable.html#text">text</a>( i, 1 ) ) ); element.setValuePattern( ((QComboBox*)table-><a href="qtable.html#cellWidget">cellWidget</a>( i, 2 ))->currentItem() + 1 ); element.setLabel( table-><a href="qtable.html#text">text</a>( i, 3 ) ); element.setLabelColor( QColor( table-><a href="qtable.html#text">text</a>( i, 4 ) ) ); } QDialog::<a href="qdialog.html#accept">accept</a>(); } </pre><!-- eof --> <p><address><hr><div align=center> <table width=100% cellspacing=0 border=0><tr> <td>Copyright © 2003 <a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> <td align=right><div align=right>Qt 3.2.3</div> </table></div></address></body> </html>