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tqt3/doc/html/chart-chartform-cpp.html

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Test conversion to TQt3 from Qt3 8c6fc1f8e35fd264dd01c582ca5e7549b32ab731
13 years ago
<!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/doc/tutorial2.doc:9 -->
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<title>chart/chartform.cpp Example File</title>
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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>chart/chartform.cpp Example File</h1>
<pre>#include "canvasview.h"
#include "chartform.h"
#include "optionsform.h"
#include "setdataform.h"
#include &lt;<a href="qaction-h.html">qaction.h</a>&gt;
#include &lt;<a href="qapplication-h.html">qapplication.h</a>&gt;
#include &lt;<a href="qcombobox-h.html">qcombobox.h</a>&gt;
#include &lt;<a href="qfile-h.html">qfile.h</a>&gt;
#include &lt;<a href="qfiledialog-h.html">qfiledialog.h</a>&gt;
#include &lt;<a href="qfont-h.html">qfont.h</a>&gt;
#include &lt;<a href="qfontdialog-h.html">qfontdialog.h</a>&gt;
#include &lt;<a href="qmenubar-h.html">qmenubar.h</a>&gt;
#include &lt;<a href="qmessagebox-h.html">qmessagebox.h</a>&gt;
#include &lt;<a href="qpixmap-h.html">qpixmap.h</a>&gt;
#include &lt;<a href="qpopupmenu-h.html">qpopupmenu.h</a>&gt;
#include &lt;<a href="qprinter-h.html">qprinter.h</a>&gt;
#include &lt;<a href="qradiobutton-h.html">qradiobutton.h</a>&gt;
#include &lt;<a href="qsettings-h.html">qsettings.h</a>&gt;
#include &lt;<a href="qspinbox-h.html">qspinbox.h</a>&gt;
#include &lt;<a href="qstatusbar-h.html">qstatusbar.h</a>&gt;
#include &lt;<a href="qtoolbar-h.html">qtoolbar.h</a>&gt;
#include &lt;<a href="qtoolbutton-h.html">qtoolbutton.h</a>&gt;
#include "images/file_new.xpm"
#include "images/file_open.xpm"
#include "images/file_save.xpm"
#include "images/file_print.xpm"
#include "images/options_setdata.xpm"
#include "images/options_setfont.xpm"
#include "images/options_setoptions.xpm"
#include "images/options_horizontalbarchart.xpm"
#include "images/options_piechart.xpm"
#include "images/options_verticalbarchart.xpm"
const <a href="qstring.html">TQString</a> WINDOWS_REGISTRY = "/Trolltech/TQtExamples";
const <a href="qstring.html">TQString</a> APP_KEY = "/Chart/";
<a name="f148"></a>ChartForm::ChartForm( const <a href="qstring.html">TQString</a>&amp; filename )
: <a href="qmainwindow.html">TQMainWindow</a>( 0, 0, WDestructiveClose )
{
<a href="qwidget.html#setIcon">setIcon</a>( TQPixmap( options_piechart ) );
<a href="qaction.html">TQAction</a> *fileNewAction;
<a href="qaction.html">TQAction</a> *fileOpenAction;
<a href="qaction.html">TQAction</a> *fileSaveAction;
<a href="qaction.html">TQAction</a> *fileSaveAsAction;
<a href="qaction.html">TQAction</a> *fileSaveAsPixmapAction;
<a href="qaction.html">TQAction</a> *filePrintAction;
<a href="qaction.html">TQAction</a> *fileQuitAction;
<a href="qaction.html">TQAction</a> *optionsSetDataAction;
<a href="qaction.html">TQAction</a> *optionsSetFontAction;
<a href="qaction.html">TQAction</a> *optionsSetOptionsAction;
fileNewAction = new <a href="qaction.html">TQAction</a>(
"New Chart", TQPixmap( file_new ),
"&amp;New", CTRL+Key_N, this, "new" );
<a name="x2869"></a> <a href="qobject.html#connect">connect</a>( fileNewAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ), this, SLOT( fileNew() ) );
fileOpenAction = new <a href="qaction.html">TQAction</a>(
"Open Chart", TQPixmap( file_open ),
"&amp;Open...", CTRL+Key_O, this, "open" );
<a href="qobject.html#connect">connect</a>( fileOpenAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ), this, SLOT( fileOpen() ) );
fileSaveAction = new <a href="qaction.html">TQAction</a>(
"Save Chart", TQPixmap( file_save ),
"&amp;Save", CTRL+Key_S, this, "save" );
<a href="qobject.html#connect">connect</a>( fileSaveAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ), this, SLOT( fileSave() ) );
fileSaveAsAction = new <a href="qaction.html">TQAction</a>(
"Save Chart As", TQPixmap( file_save ),
"Save &amp;As...", 0, this, "save as" );
<a href="qobject.html#connect">connect</a>( fileSaveAsAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ),
this, SLOT( fileSaveAs() ) );
fileSaveAsPixmapAction = new <a href="qaction.html">TQAction</a>(
"Save Chart As Bitmap", TQPixmap( file_save ),
"Save As &amp;Bitmap...", CTRL+Key_B, this, "save as bitmap" );
<a href="qobject.html#connect">connect</a>( fileSaveAsPixmapAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ),
this, SLOT( fileSaveAsPixmap() ) );
filePrintAction = new <a href="qaction.html">TQAction</a>(
"Print Chart", TQPixmap( file_print ),
"&amp;Print Chart...", CTRL+Key_P, this, "print chart" );
<a href="qobject.html#connect">connect</a>( filePrintAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ),
this, SLOT( filePrint() ) );
optionsSetDataAction = new <a href="qaction.html">TQAction</a>(
"Set Data", TQPixmap( options_setdata ),
"Set &amp;Data...", CTRL+Key_D, this, "set data" );
<a href="qobject.html#connect">connect</a>( optionsSetDataAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ),
this, SLOT( optionsSetData() ) );
<a href="qactiongroup.html">TQActionGroup</a> *chartGroup = new <a href="qactiongroup.html">TQActionGroup</a>( this ); // Connected later
<a name="x2874"></a> chartGroup-&gt;<a href="qactiongroup.html#setExclusive">setExclusive</a>( TRUE );
optionsPieChartAction = new <a href="qaction.html">TQAction</a>(
"Pie Chart", TQPixmap( options_piechart ),
"&amp;Pie Chart", CTRL+Key_I, chartGroup, "pie chart" );
<a name="x2872"></a> optionsPieChartAction-&gt;<a href="qaction.html#setToggleAction">setToggleAction</a>( TRUE );
optionsHorizontalBarChartAction = new <a href="qaction.html">TQAction</a>(
"Horizontal Bar Chart", TQPixmap( options_horizontalbarchart ),
"&amp;Horizontal Bar Chart", CTRL+Key_H, chartGroup,
"horizontal bar chart" );
optionsHorizontalBarChartAction-&gt;<a href="qaction.html#setToggleAction">setToggleAction</a>( TRUE );
optionsVerticalBarChartAction = new <a href="qaction.html">TQAction</a>(
"Vertical Bar Chart", TQPixmap( options_verticalbarchart ),
"&amp;Vertical Bar Chart", CTRL+Key_V, chartGroup, "Vertical bar chart" );
optionsVerticalBarChartAction-&gt;<a href="qaction.html#setToggleAction">setToggleAction</a>( TRUE );
optionsSetFontAction = new <a href="qaction.html">TQAction</a>(
"Set Font", TQPixmap( options_setfont ),
"Set &amp;Font...", CTRL+Key_F, this, "set font" );
<a href="qobject.html#connect">connect</a>( optionsSetFontAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ),
this, SLOT( optionsSetFont() ) );
optionsSetOptionsAction = new <a href="qaction.html">TQAction</a>(
"Set Options", TQPixmap( options_setoptions ),
"Set &amp;Options...", 0, this, "set options" );
<a href="qobject.html#connect">connect</a>( optionsSetOptionsAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ),
this, SLOT( optionsSetOptions() ) );
fileQuitAction = new <a href="qaction.html">TQAction</a>( "Quit", "&amp;Quit", CTRL+Key_Q, this, "tquit" );
<a href="qobject.html#connect">connect</a>( fileQuitAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ), this, SLOT( fileQuit() ) );
<a href="qtoolbar.html">TQToolBar</a>* fileTools = new <a href="qtoolbar.html">TQToolBar</a>( this, "file operations" );
<a name="x2895"></a> fileTools-&gt;<a href="qtoolbar.html#setLabel">setLabel</a>( "File Operations" );
<a name="x2870"></a> fileNewAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileTools );
fileOpenAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileTools );
fileSaveAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileTools );
<a name="x2894"></a> fileTools-&gt;<a href="qtoolbar.html#addSeparator">addSeparator</a>();
filePrintAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileTools );
<a href="qtoolbar.html">TQToolBar</a> *optionsTools = new <a href="qtoolbar.html">TQToolBar</a>( this, "options operations" );
optionsTools-&gt;<a href="qtoolbar.html#setLabel">setLabel</a>( "Options Operations" );
optionsSetDataAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsTools );
optionsTools-&gt;<a href="qtoolbar.html#addSeparator">addSeparator</a>();
optionsPieChartAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsTools );
optionsHorizontalBarChartAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsTools );
optionsVerticalBarChartAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsTools );
optionsTools-&gt;<a href="qtoolbar.html#addSeparator">addSeparator</a>();
optionsSetFontAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsTools );
optionsTools-&gt;<a href="qtoolbar.html#addSeparator">addSeparator</a>();
optionsSetOptionsAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsTools );
fileMenu = new <a href="qpopupmenu.html">TQPopupMenu</a>( this );
<a href="qmainwindow.html#menuBar">menuBar</a>()-&gt;insertItem( "&amp;File", fileMenu );
fileNewAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
fileOpenAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
fileSaveAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
fileSaveAsAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
fileMenu-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
fileSaveAsPixmapAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
fileMenu-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
filePrintAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
fileMenu-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
fileQuitAction-&gt;<a href="qaction.html#addTo">addTo</a>( fileMenu );
optionsMenu = new <a href="qpopupmenu.html">TQPopupMenu</a>( this );
<a href="qmainwindow.html#menuBar">menuBar</a>()-&gt;insertItem( "&amp;Options", optionsMenu );
optionsSetDataAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsMenu );
optionsMenu-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
optionsPieChartAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsMenu );
optionsHorizontalBarChartAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsMenu );
optionsVerticalBarChartAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsMenu );
optionsMenu-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
optionsSetFontAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsMenu );
optionsMenu-&gt;<a href="qmenudata.html#insertSeparator">insertSeparator</a>();
optionsSetOptionsAction-&gt;<a href="qaction.html#addTo">addTo</a>( optionsMenu );
<a href="qmainwindow.html#menuBar">menuBar</a>()-&gt;insertSeparator();
<a href="qpopupmenu.html">TQPopupMenu</a> *helpMenu = new <a href="qpopupmenu.html">TQPopupMenu</a>( this );
<a href="qmainwindow.html#menuBar">menuBar</a>()-&gt;insertItem( "&amp;Help", helpMenu );
helpMenu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;Help", this, SLOT(helpHelp()), Key_F1 );
helpMenu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "&amp;About", this, SLOT(helpAbout()) );
helpMenu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( "About &amp;TQt", this, SLOT(helpAboutTQt()) );
m_printer = 0;
m_elements.resize( MAX_ELEMENTS );
<a href="qsettings.html">TQSettings</a> settings;
<a name="x2890"></a> settings.<a href="qsettings.html#insertSearchPath">insertSearchPath</a>( TQSettings::Windows, WINDOWS_REGISTRY );
int windowWidth = settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "WindowWidth", 460 );
int windowHeight = settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "WindowHeight", 530 );
int windowX = settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "WindowX", -1 );
int windowY = settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "WindowY", -1 );
setChartType( ChartType(
settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "ChartType", int(PIE) ) ) );
m_addValues = AddValuesType(
settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "AddValues", int(NO) ));
m_decimalPlaces = settings.<a href="qsettings.html#readNumEntry">readNumEntry</a>( APP_KEY + "Decimals", 2 );
m_font = TQFont( "Helvetica", 18, TQFont::Bold );
m_font.fromString(
settings.<a href="qsettings.html#readEntry">readEntry</a>( APP_KEY + "Font", m_font.toString() ) );
for ( int i = 0; i &lt; MAX_RECENTFILES; ++i ) {
<a href="qstring.html">TQString</a> filename = settings.<a href="qsettings.html#readEntry">readEntry</a>( APP_KEY + "File" +
<a name="x2893"></a> TQString::<a href="qstring.html#number">number</a>( i + 1 ) );
<a name="x2892"></a> if ( !filename.<a href="qstring.html#isEmpty">isEmpty</a>() )
m_recentFiles.push_back( filename );
}
if ( m_recentFiles.count() )
updateRecentFilesMenu();
// Connect *after* we've set the chart type on so we don't call
// drawElements() prematurely.
<a name="x2873"></a> <a href="qobject.html#connect">connect</a>( chartGroup, SIGNAL( <a href="qactiongroup.html#selected">selected</a>(TQAction*) ),
this, SLOT( updateChartType(TQAction*) ) );
<a href="qwidget.html#resize">resize</a>( windowWidth, windowHeight );
if ( windowX != -1 || windowY != -1 )
<a href="qwidget.html#move">move</a>( windowX, windowY );
m_canvas = new <a href="qcanvas.html">TQCanvas</a>( this );
<a name="x2876"></a> m_canvas-&gt;<a href="qcanvas.html#resize">resize</a>( <a href="qwidget.html#width">width</a>(), height() );
m_canvasView = new CanvasView( m_canvas, &amp;m_elements, this );
<a href="qmainwindow.html#setCentralWidget">setCentralWidget</a>( m_canvasView );
m_canvasView-&gt;<a href="qwidget.html#show">show</a>();
if ( !filename.<a href="qstring.html#isEmpty">isEmpty</a>() )
load( filename );
else {
init();
m_elements[0].set( 20, red, 14, "Red" );
m_elements[1].set( 70, cyan, 2, "Cyan", darkGreen );
m_elements[2].set( 35, blue, 11, "Blue" );
m_elements[3].set( 55, yellow, 1, "Yellow", darkBlue );
m_elements[4].set( 80, magenta, 1, "Magenta" );
drawElements();
}
<a href="qmainwindow.html#statusBar">statusBar</a>()-&gt;message( "Ready", 2000 );
}
ChartForm::~ChartForm()
{
delete m_printer;
}
void <a name="f149"></a>ChartForm::init()
{
<a href="qwidget.html#setCaption">setCaption</a>( "Chart" );
m_filename = TQString::null;
m_changed = FALSE;
m_elements[0] = Element( Element::INVALID, red );
m_elements[1] = Element( Element::INVALID, cyan );
m_elements[2] = Element( Element::INVALID, blue );
m_elements[3] = Element( Element::INVALID, yellow );
m_elements[4] = Element( Element::INVALID, green );
m_elements[5] = Element( Element::INVALID, magenta );
m_elements[6] = Element( Element::INVALID, darkYellow );
m_elements[7] = Element( Element::INVALID, darkRed );
m_elements[8] = Element( Element::INVALID, darkCyan );
m_elements[9] = Element( Element::INVALID, darkGreen );
m_elements[10] = Element( Element::INVALID, darkMagenta );
m_elements[11] = Element( Element::INVALID, darkBlue );
for ( int i = 12; i &lt; MAX_ELEMENTS; ++i ) {
double x = (double(i) / MAX_ELEMENTS) * 360;
int y = (int(x * 256) % 105) + 151;
int z = ((i * 17) % 105) + 151;
m_elements[i] = Element( Element::INVALID, TQColor( int(x), y, z, TQColor::Hsv ) );
}
}
<a name="x2896"></a>void ChartForm::<a href="qwidget.html#closeEvent">closeEvent</a>( <a href="qcloseevent.html">TQCloseEvent</a> * )
{
fileQuit();
}
void <a name="f150"></a>ChartForm::fileNew()
{
if ( okToClear() ) {
init();
drawElements();
}
}
void <a name="f151"></a>ChartForm::fileOpen()
{
if ( !okToClear() )
return;
<a href="qstring.html">TQString</a> filename = TQFileDialog::<a href="qfiledialog.html#getOpenFileName">getOpenFileName</a>(
TQString::null, "Charts (*.cht)", this,
"file open", "Chart -- File Open" );
if ( !filename.<a href="qstring.html#isEmpty">isEmpty</a>() )
load( filename );
else
<a href="qmainwindow.html#statusBar">statusBar</a>()-&gt;message( "File Open abandoned", 2000 );
}
void <a name="f152"></a>ChartForm::fileSaveAs()
{
<a href="qstring.html">TQString</a> filename = TQFileDialog::<a href="qfiledialog.html#getSaveFileName">getSaveFileName</a>(
TQString::null, "Charts (*.cht)", this,
"file save as", "Chart -- File Save As" );
if ( !filename.<a href="qstring.html#isEmpty">isEmpty</a>() ) {
int answer = 0;
<a name="x2878"></a> if ( TQFile::<a href="qfile.html#exists">exists</a>( filename ) )
<a name="x2889"></a> answer = TQMessageBox::<a href="qmessagebox.html#warning">warning</a>(
this, "Chart -- Overwrite File",
TQString( "Overwrite\n\'%1\'?" ).
arg( filename ),
"&amp;Yes", "&amp;No", TQString::null, 1, 1 );
if ( answer == 0 ) {
m_filename = filename;
updateRecentFiles( filename );
fileSave();
return;
}
}
<a href="qmainwindow.html#statusBar">statusBar</a>()-&gt;message( "Saving abandoned", 2000 );
}
void <a name="f153"></a>ChartForm::fileOpenRecent( int index )
{
if ( !okToClear() )
return;
load( m_recentFiles[index] );
}
void <a name="f154"></a>ChartForm::updateRecentFiles( const <a href="qstring.html">TQString</a>&amp; filename )
{
if ( m_recentFiles.find( filename ) != m_recentFiles.end() )
return;
m_recentFiles.push_back( filename );
if ( m_recentFiles.count() &gt; MAX_RECENTFILES )
m_recentFiles.pop_front();
updateRecentFilesMenu();
}
void <a name="f155"></a>ChartForm::updateRecentFilesMenu()
{
for ( int i = 0; i &lt; MAX_RECENTFILES; ++i ) {
<a name="x2882"></a> if ( fileMenu-&gt;<a href="qmenudata.html#findItem">findItem</a>( i ) )
<a name="x2885"></a> fileMenu-&gt;<a href="qmenudata.html#removeItem">removeItem</a>( i );
if ( i &lt; int(m_recentFiles.count()) )
fileMenu-&gt;<a href="qmenudata.html#insertItem">insertItem</a>( TQString( "&amp;%1 %2" ).
arg( i + 1 ).arg( m_recentFiles[i] ),
this, SLOT( fileOpenRecent(int) ),
0, i );
}
}
void <a name="f156"></a>ChartForm::fileQuit()
{
if ( okToClear() ) {
saveOptions();
<a name="x2875"></a> qApp-&gt;<a href="qapplication.html#exit">exit</a>( 0 );
}
}
bool <a name="f157"></a>ChartForm::okToClear()
{
if ( m_changed ) {
<a href="qstring.html">TQString</a> msg;
if ( m_filename.isEmpty() )
msg = "Unnamed chart ";
else
msg = TQString( "Chart '%1'\n" ).arg( m_filename );
msg += "has been changed.";
int x = TQMessageBox::<a href="qmessagebox.html#information">information</a>( this, "Chart -- Unsaved Changes",
msg, "&amp;Save", "Cancel", "&amp;Abandon",
0, 1 );
switch( x ) {
case 0: // Save
fileSave();
break;
case 1: // Cancel
default:
return FALSE;
case 2: // Abandon
break;
}
}
return TRUE;
}
void <a name="f158"></a>ChartForm::saveOptions()
{
<a href="qsettings.html">TQSettings</a> settings;
settings.<a href="qsettings.html#insertSearchPath">insertSearchPath</a>( TQSettings::Windows, WINDOWS_REGISTRY );
<a name="x2891"></a> settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "WindowWidth", width() );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "WindowHeight", height() );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "WindowX", x() );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "WindowY", y() );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "ChartType", int(m_chartType) );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "AddValues", int(m_addValues) );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "Decimals", m_decimalPlaces );
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "Font", m_font.toString() );
for ( int i = 0; i &lt; int(m_recentFiles.count()); ++i )
settings.<a href="qsettings.html#writeEntry">writeEntry</a>( APP_KEY + "File" + TQString::number( i + 1 ),
m_recentFiles[i] );
}
void <a name="f159"></a>ChartForm::optionsSetData()
{
SetDataForm *setDataForm = new SetDataForm( &amp;m_elements, m_decimalPlaces, this );
<a name="x2877"></a> if ( setDataForm-&gt;<a href="qdialog.html#exec">exec</a>() ) {
m_changed = TRUE;
drawElements();
}
delete setDataForm;
}
void <a name="f160"></a>ChartForm::setChartType( ChartType chartType )
{
m_chartType = chartType;
switch ( m_chartType ) {
case PIE:
<a name="x2871"></a> optionsPieChartAction-&gt;<a href="qaction.html#setOn">setOn</a>( TRUE );
break;
case VERTICAL_BAR:
optionsVerticalBarChartAction-&gt;<a href="qaction.html#setOn">setOn</a>( TRUE );
break;
case HORIZONTAL_BAR:
optionsHorizontalBarChartAction-&gt;<a href="qaction.html#setOn">setOn</a>( TRUE );
break;
}
}
void <a name="f161"></a>ChartForm::updateChartType( <a href="qaction.html">TQAction</a> *action )
{
if ( action == optionsPieChartAction ) {
m_chartType = PIE;
}
else if ( action == optionsHorizontalBarChartAction ) {
m_chartType = HORIZONTAL_BAR;
}
else if ( action == optionsVerticalBarChartAction ) {
m_chartType = VERTICAL_BAR;
}
drawElements();
}
void <a name="f162"></a>ChartForm::optionsSetFont()
{
bool ok;
<a name="x2881"></a> <a href="qfont.html">TQFont</a> font = TQFontDialog::<a href="qfontdialog.html#getFont">getFont</a>( &amp;ok, m_font, this );
if ( ok ) {
m_font = font;
drawElements();
}
}
void <a name="f163"></a>ChartForm::optionsSetOptions()
{
OptionsForm *optionsForm = new OptionsForm( this );
optionsForm-&gt;chartTypeComboBox-&gt;setCurrentItem( m_chartType );
optionsForm-&gt;<a href="qwidget.html#setFont">setFont</a>( m_font );
switch ( m_addValues ) {
case NO:
optionsForm-&gt;noRadioButton-&gt;setChecked( TRUE );
break;
case YES:
optionsForm-&gt;yesRadioButton-&gt;setChecked( TRUE );
break;
case AS_PERCENTAGE:
optionsForm-&gt;asPercentageRadioButton-&gt;setChecked( TRUE );
break;
}
optionsForm-&gt;decimalPlacesSpinBox-&gt;setValue( m_decimalPlaces );
if ( optionsForm-&gt;<a href="qdialog.html#exec">exec</a>() ) {
setChartType( ChartType(
optionsForm-&gt;chartTypeComboBox-&gt;currentItem()) );
<a name="x2897"></a> m_font = optionsForm-&gt;<a href="qwidget.html#font">font</a>();
if ( optionsForm-&gt;noRadioButton-&gt;isChecked() )
m_addValues = NO;
else if ( optionsForm-&gt;yesRadioButton-&gt;isChecked() )
m_addValues = YES;
else if ( optionsForm-&gt;asPercentageRadioButton-&gt;isChecked() )
m_addValues = AS_PERCENTAGE;
m_decimalPlaces = optionsForm-&gt;decimalPlacesSpinBox-&gt;value();
drawElements();
}
delete optionsForm;
}
void <a name="f164"></a>ChartForm::helpHelp()
{
<a href="qmainwindow.html#statusBar">statusBar</a>()-&gt;message( "Help is not implemented yet", 2000 );
}
void <a name="f165"></a>ChartForm::helpAbout()
{
<a name="x2886"></a> TQMessageBox::<a href="qmessagebox.html#about">about</a>( this, "Chart -- About",
"&lt;center&gt;&lt;h1&gt;&lt;font color=blue&gt;Chart&lt;font&gt;&lt;/h1&gt;&lt;/center&gt;"
"&lt;p&gt;Chart your data with &lt;i&gt;chart&lt;/i&gt;.&lt;/p&gt;"
);
}
void <a name="f166"></a>ChartForm::helpAboutTQt()
{
<a name="x2887"></a> TQMessageBox::<a href="qmessagebox.html#aboutTQt">aboutTQt</a>( this, "Chart -- About TQt" );
}
</pre><!-- eof -->
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