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|
<appendix id="src-examples">
<title>Source and Header Examples</title>
<para>
This appendix contains an example of a
<link linkend="header-example">header file listing</link> and a
<link linkend="source-example">source file listing</link>.
</para>
<section id="header-example">
<title>Header File Example</title>
<screen>
/***************************************************************************
ksettingsdlg.h
-------------------
copyright : (C) 2000,2001 by Michael Edwardes
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef KSETTINGSDLG_H
#define KSETTINGSDLG_H
// ----------------------------------------------------------------------------
// QT Includes
#include <qcheckbox.h>
#include <qradiobutton.h>
#include <qbuttongroup.h>
#include <qcolor.h>
#include <qfont.h>
// ----------------------------------------------------------------------------
// KDE Includes
#include <kdialogbase.h>
#include <kfontdialog.h>
#include <kcolorbutton.h>
#include <klineedit.h>
// ----------------------------------------------------------------------------
// Project Includes
/**
* This class is used to manipulate all the settings available for
* KMyMoney2. It currently stores the values for the list settings
* and whether to show the start dialog when KMyMoney2 starts.
*
* It uses KDialogBase to implement it's interface.
*
* It uses the global KConfig object to read and write the application
* settings.
*
* @see KDialogBase
*
* @author Michael Edwardes 2000-2001
* $Id: src-examples.docbook,v 1.3 2005/05/27 19:05:18 ipwizard Exp $
*
* @short A class to manipulate the settings needed for running KMyMoney2
**/
class KSettingsDlg : public KDialogBase {
Q_OBJECT
private:
/** Start prompt dialog */
QRadioButton *m_qradiobuttonStartPrompt;
/** Start file */
QRadioButton *m_qradiobuttonStartFile;
/** Color list */
KColorButton *m_kcolorbuttonList;
/** Color background */
KColorButton *m_kcolorbuttonBack;
/** Select font header */
KFontChooser *m_kfontchooserHeader;
/** Font cell setting */
KFontChooser *m_kfontchooserCell;
/** No rows to show in register */
KLineEdit *m_klineeditRowCount;
/** Show grid in register ? */
QCheckBox *m_qcheckboxShowGrid;
QRadioButton *m_qradiobuttonPerTransaction;
QRadioButton *m_qradiobuttonOtherRow;
/** Set page general */
void setPageGeneral();
/** Set page list settings */
void setPageList();
/** Write settings */
void configWrite();
/** Read settings */
void configRead();
/** Attributes to store the variables so they can be undone when
* cancelling the apply.
**/
QColor m_qcolorTempList;
QColor m_qcolorTempListBG;
QFont m_qfontTempHeader;
QFont m_qfontTempCell;
QString m_qstringTempRowCount;
bool m_bTempShowGrid;
bool m_bTempColourPerTransaction;
bool m_bTempStartPrompt;
bool m_bDoneApply;
private slots:
/** Called when OK pressed */
void slotOk();
/** Called when Apply pressed */
void slotApply();
/** Called when Cancel pressed */
void slotCancel();
/** Called when Reset pressed */
void slotUser1();
public:
/**
* Standard constructor.
*
* @param parent The QWidget this is used in.
* @param name The QT name.
* @param modal True if we want the dialog to be application modal.
*
* @return An object of type KSettingsDlg.
*
* @see ~KSettingsDlg
**/
KSettingsDlg(QWidget *parent=0, const char *name=0, bool modal=true);
/**
* Standard destructor.
*
* @return Nothing.
*
* @see KSettingsDlg
**/
~KSettingsDlg();
signals:
/**
* Emitted when the Apply button is clicked to allow the application to
* show the changes without having to close the dialog.
*
* @return Nothing
**/
void signalApply();
};
#endif
</screen>
</section>
<section id="source-example">
<title>Source File Example</title>
<screen>
/***************************************************************************
ksettingsdlg.cpp
-------------------
copyright : (C) 2000,2001 by Michael Edwardes
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify
* *
* it under the terms of the GNU General Public License as published by
* *
* the Free Software Foundation; either version 2 of the License, or
* *
* (at your option) any later version.
* *
* *
***************************************************************************/
// ----------------------------------------------------------------------------
// QT Includes
#include <qlayout.h>
#include <qvbox.h>
#include <qlabel.h>
#include <qgroupbox.h>
#include <qtabwidget.h>
#include <qvalidator.h>
// ----------------------------------------------------------------------------
// KDE Includes
#include <klocale.h>
#include <kstddirs.h>
#include <kiconloader.h>
#include <kconfig.h>
#include <kcolorbutton.h>
#include <kmessagebox.h>
// ----------------------------------------------------------------------------
// Project Includes
#include "ksettingsdlg.h"
/** Standard constructor for the class.
* The constructor passes some additional parameters to the base class
* KDialogBase
* to set the buttons to be showed and the type of dialog to be shown.
**/
KSettingsDlg::KSettingsDlg(QWidget *parent, const char *name, bool modal)
: KDialogBase(IconList, i18n("Configure"), Ok|Cancel|Apply|User1, Ok, parent,
name, modal, true, i18n("&Reset"))
{
// Setup the pages and then read the configuration object.
setPageGeneral();
setPageList();
configRead();
m_bDoneApply=false;
}
/** Standard destructor for the class.
**/
KSettingsDlg::~KSettingsDlg()
{
}
/** Called to create the General page to be shown in the dialog.
**/
void KSettingsDlg::setPageGeneral()
{
// Create the main frame to hold the widgets
QVBox *qvboxMainFrame = addVBoxPage( i18n("General"), i18n("General settings"),
DesktopIcon("misc"));
// Create a group box to hold the available options
QButtonGroup *qbuttongroup = new QButtonGroup(qvboxMainFrame, "GroupBox1");
qbuttongroup->setTitle( i18n( "Startup options" ) );
qbuttongroup->setColumnLayout(0, Qt::Vertical );
qbuttongroup->layout()->setSpacing( 0 );
qbuttongroup->layout()->setMargin( 0 );
// Create a layout to organize the widgets.
QVBoxLayout *qvboxlayout = new QVBoxLayout(qbuttongroup->layout());
qvboxlayout->setAlignment( Qt::AlignTop );
qvboxlayout->setSpacing( 6 );
qvboxlayout->setMargin( 11 );
// Create a check box to be in the group box
m_qradiobuttonStartPrompt = new QRadioButton("start_prompt", qbuttongroup);
m_qradiobuttonStartPrompt->setText( i18n( "Start with dialog prompt (default)" ) );
qvboxlayout->addWidget(m_qradiobuttonStartPrompt);
// Create another check box to the group box
m_qradiobuttonStartFile = new QRadioButton("start_file", qbuttongroup);
m_qradiobuttonStartFile->setText( i18n( "Start with last file used" ) );
qvboxlayout->addWidget(m_qradiobuttonStartFile);
}
/** Called to create the Main List page shown in the dialog.
**/
void KSettingsDlg::setPageList()
{
// Create the page.
QVBox *qvboxMainFrame = addVBoxPage( i18n("Main List"), i18n("List settings"),
locate("appdata", "pics/setting_list.png"));
// Create the tab widget
QTabWidget *qtabwidget = new QTabWidget(qvboxMainFrame, "TabWidget2");
// Create the first page
QWidget *qwidgetPage = new QWidget(this);
// Create the layout for the page
QVBoxLayout *qvboxlayoutPage = new QVBoxLayout(qwidgetPage);
qvboxlayoutPage->setSpacing( 6 );
qvboxlayoutPage->setMargin( 11 );
// Create a horizontal layout to hold two widgets
QHBoxLayout *qhboxlayout = new QHBoxLayout;
qhboxlayout->setSpacing( 6 );
qhboxlayout->setMargin( 0 );
// Create the first widget
QLabel *qlabel = new QLabel(i18n("Number of lines in the register view:"),
qwidgetPage);
qhboxlayout->addWidget(qlabel);
// Create the second widget
m_klineeditRowCount = new KLineEdit(qwidgetPage);
QIntValidator *qintvalidator = new QIntValidator(1, 3, m_klineeditRowCount);
m_klineeditRowCount->setValidator(qintvalidator);
qhboxlayout->addWidget(m_klineeditRowCount);
// Add the horizontal layout
qvboxlayoutPage->addLayout(qhboxlayout);
// Ceate another widget
m_qcheckboxShowGrid = new QCheckBox(i18n("Show a grid in the register view"),
qwidgetPage);
qvboxlayoutPage->addWidget(m_qcheckboxShowGrid);
// Create a group to hold two radio buttons
QButtonGroup *qbuttongroup = new QButtonGroup(qwidgetPage, "ButtonGroup1");
qbuttongroup->setTitle(i18n("Row Colour options"));
qbuttongroup->setColumnLayout(0, Qt::Vertical );
qbuttongroup->layout()->setSpacing( 0 );
qbuttongroup->layout()->setMargin( 0 );
// Create a layout
QVBoxLayout *qvboxlayout = new QVBoxLayout(qbuttongroup->layout());
qvboxlayout->setAlignment( Qt::AlignTop );
qvboxlayout->setSpacing( 6 );
qvboxlayout->setMargin( 11 );
// Add the first radio button
m_qradiobuttonPerTransaction = new QRadioButton(qbuttongroup, "m_per_trans");
m_qradiobuttonPerTransaction->setText( i18n("Use one colour per transaction") );
qvboxlayout->addWidget(m_qradiobuttonPerTransaction);
// Add the second radio button
m_qradiobuttonOtherRow = new QRadioButton(qbuttongroup, "m_every_other");
m_qradiobuttonOtherRow->setText( i18n( "Change colour every other row" ));
qvboxlayout->addWidget(m_qradiobuttonOtherRow);
qvboxlayoutPage->addWidget(qbuttongroup);
// Add a vertical spacer to take up the remaining available space
QSpacerItem* spacer = new QSpacerItem( 20, 20, QSizePolicy::Minimum,
QSizePolicy::Expanding );
qvboxlayoutPage->addItem( spacer );
// Add the page to the tab
qtabwidget->insertTab(qwidgetPage, i18n("General"));
// Create a new tab for the colour options
QWidget *qwidgetColour = new QWidget(qtabwidget, "tab");
// Create a vertical layout
QVBoxLayout *qvboxlayoutColour = new QVBoxLayout(qwidgetColour);
qvboxlayoutColour->setSpacing( 6 );
qvboxlayoutColour->setMargin( 11 );
// Create a horizontal layout to include the label and button
QHBoxLayout *qhboxlayoutColour = new QHBoxLayout;
qhboxlayoutColour->setSpacing( 6 );
qhboxlayoutColour->setMargin( 0 );
// Add the label and button
QLabel *qlabelListColour = new QLabel(i18n( "List view colour :" ),
qwidgetColour);
qhboxlayoutColour->addWidget(qlabelListColour);
m_kcolorbuttonList = new KColorButton(qwidgetColour, "colour_list");
qhboxlayoutColour->addWidget(m_kcolorbuttonList);
// Add the horizontal layout
qvboxlayoutColour->addLayout(qhboxlayoutColour);
// Create another horizontal layout to include the label and button
QHBoxLayout *qhboxlayoutBGColour = new QHBoxLayout;
qhboxlayoutBGColour->setSpacing( 6 );
qhboxlayoutBGColour->setMargin( 0 );
// Add the label and button
QLabel *qlabelListBGColour = new QLabel(i18n( "List background colour :"),
qwidgetColour);
qhboxlayoutBGColour->addWidget(qlabelListBGColour);
m_kcolorbuttonBack = new KColorButton(qwidgetColour, "colour_back");
qhboxlayoutBGColour->addWidget(m_kcolorbuttonBack);
// Add the horizontal layout
qvboxlayoutColour->addLayout(qhboxlayoutBGColour);
// Add a vertical spacer to take up the remaining available space
QSpacerItem* qspaceritemColour = new QSpacerItem( 20, 20,
QSizePolicy::Minimum, QSizePolicy::Expanding );
qvboxlayoutColour->addItem( qspaceritemColour );
// Add the page to the tab widget
qtabwidget->insertTab(qwidgetColour, i18n( "Color"));
// Create another tab adding a font chooser widget
QVBox *qvboxInsideTab1 = new QVBox( this, "tab1" );
qvboxInsideTab1->setSpacing( 6 );
qvboxInsideTab1->setMargin( 11 );
m_kfontchooserHeader = new KFontChooser(qvboxInsideTab1);
qtabwidget->insertTab(qvboxInsideTab1, i18n("Header Font"));
// Create another tab adding a font chooser widget
QVBox *qvboxInsideTab2 = new QVBox( this, "tab2" );
qvboxInsideTab2->setSpacing( 6 );
qvboxInsideTab2->setMargin( 11 );
m_kfontchooserCell = new KFontChooser(qvboxInsideTab2);
qtabwidget->addTab(qvboxInsideTab2, i18n("Cell Font"));
}
/** Read all the settings in from the global KConfig object and set all the
* widgets appropriately.
**/
void KSettingsDlg::configRead()
{
KConfig *kconfig = KGlobal::config();
kconfig->setGroup("Settings Dialog");
QSize *qsizeDefaultSize = new QSize(470,470);
this->resize(kconfig->readSizeEntry("Geometry", qsizeDefaultSize));
kconfig->setGroup("General Options");
m_bTempStartPrompt = kconfig->readBoolEntry("StartDialog", true);
m_qradiobuttonStartPrompt->setChecked(m_bTempStartPrompt);
m_qradiobuttonStartFile->setChecked(!m_bTempStartPrompt);
kconfig->setGroup("List Options");
QFont qfontDefault = QFont("helvetica", 12);
QColor qcolorDefault = Qt::white;
QColor qcolorDefaultBG = Qt::gray;
m_qcolorTempList = kconfig->readColorEntry("listColor", &qcolorDefault);
m_kcolorbuttonList->setColor(m_qcolorTempList);
m_qcolorTempListBG = kconfig->readColorEntry("listBGColor",
&qcolorDefaultBG);
m_kcolorbuttonBack->setColor(m_qcolorTempListBG);
m_qfontTempHeader = kconfig->readFontEntry("listHeaderFont",
&qfontDefault);
m_kfontchooserHeader->setFont(m_qfontTempHeader);
m_qfontTempCell = kconfig->readFontEntry("listCellFont", &qfontDefault);
m_kfontchooserCell->setFont(m_qfontTempCell);
m_qstringTempRowCount = kconfig->readEntry("RowCount", "2");
m_klineeditRowCount->setText(m_qstringTempRowCount);
m_bTempShowGrid = kconfig->readBoolEntry("ShowGrid", true);
m_qcheckboxShowGrid->setChecked(m_bTempShowGrid);
m_bTempColourPerTransaction =
kconfig->readBoolEntry("ColourPerTransaction", true);
m_qradiobuttonPerTransaction->setChecked(m_bTempColourPerTransaction);
m_qradiobuttonOtherRow->setChecked(!m_bTempColourPerTransaction);
}
/** Write out all the settings to the global KConfig object.
**/
void KSettingsDlg::configWrite()
{
KConfig *kconfig = KGlobal::config();
kconfig->setGroup("Settings Dialog");
kconfig->writeEntry("Geometry", this->size() );
kconfig->setGroup("List Options");
kconfig->writeEntry("listColor", m_kcolorbuttonList->color());
kconfig->writeEntry("listBGColor", m_kcolorbuttonBack->color());
kconfig->writeEntry("listHeaderFont", m_kfontchooserHeader->font());
kconfig->writeEntry("listCellFont", m_kfontchooserCell->font());
kconfig->writeEntry("RowCount", m_klineeditRowCount->text());
kconfig->writeEntry("ShowGrid", m_qcheckboxShowGrid->isChecked());
kconfig->writeEntry("ColourPerTransaction",
m_qradiobuttonPerTransaction->isChecked());
kconfig->setGroup("General Options");
kconfig->writeEntry("StartDialog",
m_qradiobuttonStartPrompt->isChecked());
kconfig->sync();
}
/** Called on OK being pressed */
void KSettingsDlg::slotOk()
{
int nCount = m_klineeditRowCount->text().toInt();
if (nCount <= 0 || nCount >= 4) {
KMessageBox::information(this, i18n("The row count has to be between 1
and 3"));
m_klineeditRowCount->setFocus();
return;
}
configWrite();
this->accept();
}
/** Called on Apply being pressed */
void KSettingsDlg::slotApply()
{
int nCount = m_klineeditRowCount->text().toInt();
if (nCount <= 0 || nCount >= 4) {
KMessageBox::information(this, i18n("The row count has to be between 1
and 3"));
m_klineeditRowCount->setFocus();
return;
}
m_bDoneApply = true;
configWrite();
emit signalApply();
}
/** Called on Cancel being pressed.
* It writes out all the original settings read when it was created.
**/
void KSettingsDlg::slotCancel()
{
// make sure the config object is the same as we left it
KConfig *kconfig = KGlobal::config();
kconfig->setGroup("List Options");
kconfig->writeEntry("listColor", m_qcolorTempList);
kconfig->writeEntry("listBGColor", m_qcolorTempListBG);
kconfig->writeEntry("listHeaderFont", m_qfontTempHeader);
kconfig->writeEntry("listCellFont", m_qfontTempCell);
kconfig->writeEntry("RowCount", m_qstringTempRowCount);
kconfig->writeEntry("ShowGrid", m_bTempShowGrid);
kconfig->writeEntry("ColourPerTransaction", m_bTempColourPerTransaction);
kconfig->setGroup("General Options");
kconfig->writeEntry("StartDialog", m_bTempStartPrompt);
kconfig->sync();
if (m_bDoneApply)
accept();
else
reject();
}
/** Called when the user presses the User1 button. In our case that is the
* reset button.
*
* It just resets all the attributes to the values read on creation.
**/
void KSettingsDlg::slotUser1()
{
m_qradiobuttonStartPrompt->setChecked(m_bTempStartPrompt);
m_kcolorbuttonList->setColor(m_qcolorTempList);
m_kcolorbuttonBack->setColor(m_qcolorTempListBG);
m_kfontchooserHeader->setFont(m_qfontTempHeader);
m_kfontchooserCell->setFont(m_qfontTempCell);
m_klineeditRowCount->setText(m_qstringTempRowCount);
m_qcheckboxShowGrid->setChecked(m_bTempShowGrid);
m_qradiobuttonPerTransaction->setChecked(m_bTempColourPerTransaction);
m_qradiobuttonOtherRow->setChecked(!m_bTempColourPerTransaction);
}
</screen>
</section>
</appendix>
|