summaryrefslogtreecommitdiffstats
path: root/doc/html/chart-chartform-cpp.html
diff options
context:
space:
mode:
authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-07-10 15:24:15 -0500
commitbd0f3345a938b35ce6a12f6150373b0955b8dd12 (patch)
tree7a520322212d48ebcb9fbe1087e7fca28b76185c /doc/html/chart-chartform-cpp.html
downloadqt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.tar.gz
qt3-bd0f3345a938b35ce6a12f6150373b0955b8dd12.zip
Add Qt3 development HEAD version
Diffstat (limited to 'doc/html/chart-chartform-cpp.html')
-rw-r--r--doc/html/chart-chartform-cpp.html573
1 files changed, 573 insertions, 0 deletions
diff --git a/doc/html/chart-chartform-cpp.html b/doc/html/chart-chartform-cpp.html
new file mode 100644
index 0000000..91bfbef
--- /dev/null
+++ b/doc/html/chart-chartform-cpp.html
@@ -0,0 +1,573 @@
+<!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 -->
+<html>
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
+<title>chart/chartform.cpp Example File</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&nbsp;Classes</font></a>
+ | <a href="mainclasses.html">
+<font color="#004faf">Main&nbsp;Classes</font></a>
+ | <a href="annotated.html">
+<font color="#004faf">Annotated</font></a>
+ | <a href="groups.html">
+<font color="#004faf">Grouped&nbsp;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/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">QString</a> WINDOWS_REGISTRY = "/Trolltech/QtExamples";
+const <a href="qstring.html">QString</a> APP_KEY = "/Chart/";
+
+
+<a name="f148"></a>ChartForm::ChartForm( const <a href="qstring.html">QString</a>&amp; filename )
+ : <a href="qmainwindow.html">QMainWindow</a>( 0, 0, WDestructiveClose )
+{
+ <a href="qwidget.html#setIcon">setIcon</a>( QPixmap( options_piechart ) );
+
+ <a href="qaction.html">QAction</a> *fileNewAction;
+ <a href="qaction.html">QAction</a> *fileOpenAction;
+ <a href="qaction.html">QAction</a> *fileSaveAction;
+ <a href="qaction.html">QAction</a> *fileSaveAsAction;
+ <a href="qaction.html">QAction</a> *fileSaveAsPixmapAction;
+ <a href="qaction.html">QAction</a> *filePrintAction;
+ <a href="qaction.html">QAction</a> *fileQuitAction;
+ <a href="qaction.html">QAction</a> *optionsSetDataAction;
+ <a href="qaction.html">QAction</a> *optionsSetFontAction;
+ <a href="qaction.html">QAction</a> *optionsSetOptionsAction;
+
+ fileNewAction = new <a href="qaction.html">QAction</a>(
+ "New Chart", QPixmap( 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">QAction</a>(
+ "Open Chart", QPixmap( 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">QAction</a>(
+ "Save Chart", QPixmap( 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">QAction</a>(
+ "Save Chart As", QPixmap( 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">QAction</a>(
+ "Save Chart As Bitmap", QPixmap( 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">QAction</a>(
+ "Print Chart", QPixmap( 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">QAction</a>(
+ "Set Data", QPixmap( 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">QActionGroup</a> *chartGroup = new <a href="qactiongroup.html">QActionGroup</a>( this ); // Connected later
+<a name="x2874"></a> chartGroup-&gt;<a href="qactiongroup.html#setExclusive">setExclusive</a>( TRUE );
+
+ optionsPieChartAction = new <a href="qaction.html">QAction</a>(
+ "Pie Chart", QPixmap( 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">QAction</a>(
+ "Horizontal Bar Chart", QPixmap( 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">QAction</a>(
+ "Vertical Bar Chart", QPixmap( 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">QAction</a>(
+ "Set Font", QPixmap( 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">QAction</a>(
+ "Set Options", QPixmap( 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">QAction</a>( "Quit", "&amp;Quit", CTRL+Key_Q, this, "quit" );
+ <a href="qobject.html#connect">connect</a>( fileQuitAction, SIGNAL( <a href="qaction.html#activated">activated</a>() ), this, SLOT( fileQuit() ) );
+
+
+ <a href="qtoolbar.html">QToolBar</a>* fileTools = new <a href="qtoolbar.html">QToolBar</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">QToolBar</a> *optionsTools = new <a href="qtoolbar.html">QToolBar</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">QPopupMenu</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">QPopupMenu</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">QPopupMenu</a> *helpMenu = new <a href="qpopupmenu.html">QPopupMenu</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;Qt", this, SLOT(helpAboutQt()) );
+
+
+ m_printer = 0;
+ m_elements.resize( MAX_ELEMENTS );
+
+ <a href="qsettings.html">QSettings</a> settings;
+<a name="x2890"></a> settings.<a href="qsettings.html#insertSearchPath">insertSearchPath</a>( QSettings::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 = QFont( "Helvetica", 18, QFont::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">QString</a> filename = settings.<a href="qsettings.html#readEntry">readEntry</a>( APP_KEY + "File" +
+<a name="x2893"></a> QString::<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>(QAction*) ),
+ this, SLOT( updateChartType(QAction*) ) );
+
+ <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">QCanvas</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 = QString::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, QColor( int(x), y, z, QColor::Hsv ) );
+ }
+}
+
+<a name="x2896"></a>void ChartForm::<a href="qwidget.html#closeEvent">closeEvent</a>( <a href="qcloseevent.html">QCloseEvent</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">QString</a> filename = QFileDialog::<a href="qfiledialog.html#getOpenFileName">getOpenFileName</a>(
+ QString::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">QString</a> filename = QFileDialog::<a href="qfiledialog.html#getSaveFileName">getSaveFileName</a>(
+ QString::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 ( QFile::<a href="qfile.html#exists">exists</a>( filename ) )
+<a name="x2889"></a> answer = QMessageBox::<a href="qmessagebox.html#warning">warning</a>(
+ this, "Chart -- Overwrite File",
+ QString( "Overwrite\n\'%1\'?" ).
+ arg( filename ),
+ "&amp;Yes", "&amp;No", QString::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">QString</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>( QString( "&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">QString</a> msg;
+ if ( m_filename.isEmpty() )
+ msg = "Unnamed chart ";
+ else
+ msg = QString( "Chart '%1'\n" ).arg( m_filename );
+ msg += "has been changed.";
+
+ int x = QMessageBox::<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">QSettings</a> settings;
+ settings.<a href="qsettings.html#insertSearchPath">insertSearchPath</a>( QSettings::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" + QString::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">QAction</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">QFont</a> font = QFontDialog::<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> QMessageBox::<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::helpAboutQt()
+{
+<a name="x2887"></a> QMessageBox::<a href="qmessagebox.html#aboutQt">aboutQt</a>( this, "Chart -- About Qt" );
+}
+
+</pre><!-- eof -->
+<p><address><hr><div align=center>
+<table width=100% cellspacing=0 border=0><tr>
+<td>Copyright &copy; 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>