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400 lines
12 KiB
400 lines
12 KiB
/*
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* This file is part of the KDE libraries
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* Copyright (C) 2003 Benjamin C Meyer (ben+kdelibs at meyerhome dot net)
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* Copyright (C) 2003 Waldo Bastian <bastian@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "kconfigdialogmanager.h"
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#include <qbuttongroup.h>
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#include <qcombobox.h>
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#include <qlabel.h>
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#include <qmetaobject.h>
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#include <qobjectlist.h>
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#include <qsqlpropertymap.h>
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#include <qtimer.h>
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#include <qwhatsthis.h>
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#include <kapplication.h>
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#include <kconfigskeleton.h>
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#include <kdebug.h>
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#include <kglobal.h>
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#include <assert.h>
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class KConfigDialogManager::Private {
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public:
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Private() : insideGroupBox(false) { }
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public:
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QDict<QWidget> knownWidget;
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QDict<QWidget> buddyWidget;
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bool insideGroupBox;
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};
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KConfigDialogManager::KConfigDialogManager(QWidget *parent, KConfigSkeleton *conf, const char *name)
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: QObject(parent, name), m_conf(conf), m_dialog(parent)
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{
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d = new Private();
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kapp->installKDEPropertyMap();
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propertyMap = QSqlPropertyMap::defaultMap();
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init(true);
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}
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KConfigDialogManager::~KConfigDialogManager()
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{
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delete d;
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}
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void KConfigDialogManager::init(bool trackChanges)
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{
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if(trackChanges)
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{
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// QT
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changedMap.insert("QButton", SIGNAL(stateChanged(int)));
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changedMap.insert("QCheckBox", SIGNAL(stateChanged(int)));
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changedMap.insert("QPushButton", SIGNAL(stateChanged(int)));
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changedMap.insert("QRadioButton", SIGNAL(stateChanged(int)));
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// We can only store one thing, so you can't have
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// a ButtonGroup that is checkable.
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changedMap.insert("QButtonGroup", SIGNAL(clicked(int)));
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changedMap.insert("QGroupBox", SIGNAL(toggled(bool)));
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changedMap.insert("QComboBox", SIGNAL(activated (int)));
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//qsqlproperty map doesn't store the text, but the value!
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//changedMap.insert("QComboBox", SIGNAL(textChanged(const QString &)));
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changedMap.insert("QDateEdit", SIGNAL(valueChanged(const QDate &)));
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changedMap.insert("QDateTimeEdit", SIGNAL(valueChanged(const QDateTime &)));
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changedMap.insert("QDial", SIGNAL(valueChanged (int)));
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changedMap.insert("QLineEdit", SIGNAL(textChanged(const QString &)));
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changedMap.insert("QSlider", SIGNAL(valueChanged(int)));
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changedMap.insert("QSpinBox", SIGNAL(valueChanged(int)));
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changedMap.insert("QTimeEdit", SIGNAL(valueChanged(const QTime &)));
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changedMap.insert("QTextEdit", SIGNAL(textChanged()));
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changedMap.insert("QTextBrowser", SIGNAL(sourceChanged(const QString &)));
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changedMap.insert("QMultiLineEdit", SIGNAL(textChanged()));
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changedMap.insert("QListBox", SIGNAL(selectionChanged()));
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changedMap.insert("QTabWidget", SIGNAL(currentChanged(QWidget *)));
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// KDE
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changedMap.insert( "KComboBox", SIGNAL(activated (int)));
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changedMap.insert( "KFontCombo", SIGNAL(activated (int)));
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changedMap.insert( "KFontRequester", SIGNAL(fontSelected(const QFont &)));
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changedMap.insert( "KFontChooser", SIGNAL(fontSelected(const QFont &)));
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changedMap.insert( "KHistoryCombo", SIGNAL(activated (int)));
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changedMap.insert( "KColorButton", SIGNAL(changed(const QColor &)));
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changedMap.insert( "KDatePicker", SIGNAL(dateSelected (QDate)));
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changedMap.insert( "KDateWidget", SIGNAL(changed (QDate)));
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changedMap.insert( "KDateTimeWidget", SIGNAL(valueChanged (const QDateTime &)));
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changedMap.insert( "KEditListBox", SIGNAL(changed()));
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changedMap.insert( "KListBox", SIGNAL(selectionChanged()));
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changedMap.insert( "KLineEdit", SIGNAL(textChanged(const QString &)));
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changedMap.insert( "KPasswordEdit", SIGNAL(textChanged(const QString &)));
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changedMap.insert( "KRestrictedLine", SIGNAL(textChanged(const QString &)));
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changedMap.insert( "KTextBrowser", SIGNAL(sourceChanged(const QString &)));
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changedMap.insert( "KTextEdit", SIGNAL(textChanged()));
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changedMap.insert( "KURLRequester", SIGNAL(textChanged (const QString& )));
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changedMap.insert( "KIntNumInput", SIGNAL(valueChanged (int)));
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changedMap.insert( "KIntSpinBox", SIGNAL(valueChanged (int)));
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changedMap.insert( "KDoubleNumInput", SIGNAL(valueChanged (double)));
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}
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// Go through all of the children of the widgets and find all known widgets
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(void) parseChildren(m_dialog, trackChanges);
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}
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void KConfigDialogManager::addWidget(QWidget *widget)
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{
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(void) parseChildren(widget, true);
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}
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void KConfigDialogManager::setupWidget(QWidget *widget, KConfigSkeletonItem *item)
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{
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QVariant minValue = item->minValue();
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if (minValue.isValid())
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{
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if (widget->metaObject()->findProperty("minValue", true) != -1)
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widget->setProperty("minValue", minValue);
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}
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QVariant maxValue = item->maxValue();
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if (maxValue.isValid())
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{
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if (widget->metaObject()->findProperty("maxValue", true) != -1)
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widget->setProperty("maxValue", maxValue);
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}
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if (QWhatsThis::textFor( widget ).isEmpty())
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{
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QString whatsThis = item->whatsThis();
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if ( !whatsThis.isEmpty() )
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{
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QWhatsThis::add( widget, whatsThis );
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}
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}
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}
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bool KConfigDialogManager::parseChildren(const QWidget *widget, bool trackChanges)
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{
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bool valueChanged = false;
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const QObjectList *listOfChildren = widget->children();
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if(!listOfChildren)
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return valueChanged;
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QObject *object;
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for( QPtrListIterator<QObject> it( *listOfChildren );
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(object = it.current()); ++it )
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{
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if(!object->isWidgetType())
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continue; // Skip non-widgets
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QWidget *childWidget = (QWidget *)object;
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const char *widgetName = childWidget->name(0);
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bool bParseChildren = true;
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bool bSaveInsideGroupBox = d->insideGroupBox;
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if (widgetName && (strncmp(widgetName, "kcfg_", 5) == 0))
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{
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// This is one of our widgets!
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QString configId = widgetName+5;
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KConfigSkeletonItem *item = m_conf->findItem(configId);
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if (item)
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{
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d->knownWidget.insert(configId, childWidget);
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setupWidget(childWidget, item);
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QMap<QString, QCString>::const_iterator changedIt = changedMap.find(childWidget->className());
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if (changedIt == changedMap.end())
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{
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// If the class name of the widget wasn't in the monitored widgets map, then look for
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// it again using the super class name. This fixes a problem with using QtRuby/Korundum
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// widgets with KConfigXT where 'Qt::Widget' wasn't being seen a the real deal, even
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// though it was a 'QWidget'.
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changedIt = changedMap.find(childWidget->metaObject()->superClassName());
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}
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if (changedIt == changedMap.end())
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{
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kdWarning(178) << "Don't know how to monitor widget '" << childWidget->className() << "' for changes!" << endl;
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}
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else
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{
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connect(childWidget, *changedIt,
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this, SIGNAL(widgetModified()));
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QGroupBox *gb = dynamic_cast<QGroupBox *>(childWidget);
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if (!gb)
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bParseChildren = false;
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else
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d->insideGroupBox = true;
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QComboBox *cb = dynamic_cast<QComboBox *>(childWidget);
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if (cb && cb->editable())
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connect(cb, SIGNAL(textChanged(const QString &)),
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this, SIGNAL(widgetModified()));
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}
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}
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else
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{
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kdWarning(178) << "A widget named '" << widgetName << "' was found but there is no setting named '" << configId << "'" << endl;
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assert(false);
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}
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}
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else if (childWidget->inherits("QLabel"))
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{
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QLabel *label = static_cast<QLabel *>(childWidget);
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QWidget *buddy = label->buddy();
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if (!buddy)
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continue;
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const char *buddyName = buddy->name(0);
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if (buddyName && (strncmp(buddyName, "kcfg_", 5) == 0))
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{
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// This is one of our widgets!
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QString configId = buddyName+5;
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d->buddyWidget.insert(configId, childWidget);
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}
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}
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#ifndef NDEBUG
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else if (widgetName)
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{
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QMap<QString, QCString>::const_iterator changedIt = changedMap.find(childWidget->className());
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if (changedIt != changedMap.end())
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{
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if ((!d->insideGroupBox || !childWidget->inherits("QRadioButton")) &&
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!childWidget->inherits("QGroupBox"))
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kdDebug(178) << "Widget '" << widgetName << "' (" << childWidget->className() << ") remains unmanaged." << endl;
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}
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}
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#endif
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if(bParseChildren)
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{
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// this widget is not known as something we can store.
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// Maybe we can store one of its children.
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valueChanged |= parseChildren(childWidget, trackChanges);
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}
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d->insideGroupBox = bSaveInsideGroupBox;
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}
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return valueChanged;
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}
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void KConfigDialogManager::updateWidgets()
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{
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bool changed = false;
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bool bSignalsBlocked = signalsBlocked();
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blockSignals(true);
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QWidget *widget;
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for( QDictIterator<QWidget> it( d->knownWidget );
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(widget = it.current()); ++it )
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{
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KConfigSkeletonItem *item = m_conf->findItem(it.currentKey());
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if (!item)
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{
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kdWarning(178) << "The setting '" << it.currentKey() << "' has disappeared!" << endl;
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continue;
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}
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QVariant p = item->property();
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if (p != property(widget))
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{
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setProperty(widget, p);
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// kdDebug(178) << "The setting '" << it.currentKey() << "' [" << widget->className() << "] has changed" << endl;
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changed = true;
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}
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if (item->isImmutable())
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{
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widget->setEnabled(false);
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QWidget *buddy = d->buddyWidget.find(it.currentKey());
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if (buddy)
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buddy->setEnabled(false);
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}
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}
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blockSignals(bSignalsBlocked);
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if (changed)
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QTimer::singleShot(0, this, SIGNAL(widgetModified()));
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}
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void KConfigDialogManager::updateWidgetsDefault()
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{
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bool bUseDefaults = m_conf->useDefaults(true);
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updateWidgets();
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m_conf->useDefaults(bUseDefaults);
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}
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void KConfigDialogManager::updateSettings()
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{
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bool changed = false;
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QWidget *widget;
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for( QDictIterator<QWidget> it( d->knownWidget );
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(widget = it.current()); ++it )
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{
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KConfigSkeletonItem *item = m_conf->findItem(it.currentKey());
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if (!item)
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{
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kdWarning(178) << "The setting '" << it.currentKey() << "' has disappeared!" << endl;
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continue;
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}
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QVariant p = property(widget);
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if (p != item->property())
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{
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item->setProperty(p);
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changed = true;
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}
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}
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if (changed)
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{
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m_conf->writeConfig();
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emit settingsChanged();
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}
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}
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void KConfigDialogManager::setProperty(QWidget *w, const QVariant &v)
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{
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QButtonGroup *bg = dynamic_cast<QButtonGroup *>(w);
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if (bg)
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{
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bg->setButton(v.toInt());
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return;
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}
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QComboBox *cb = dynamic_cast<QComboBox *>(w);
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if (cb && cb->editable())
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{
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cb->setCurrentText(v.toString());
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return;
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}
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propertyMap->setProperty(w, v);
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}
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QVariant KConfigDialogManager::property(QWidget *w)
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{
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QButtonGroup *bg = dynamic_cast<QButtonGroup *>(w);
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if (bg)
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return QVariant(bg->selectedId());
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QComboBox *cb = dynamic_cast<QComboBox *>(w);
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if (cb && cb->editable())
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return QVariant(cb->currentText());
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return propertyMap->property(w);
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}
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bool KConfigDialogManager::hasChanged()
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{
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QWidget *widget;
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for( QDictIterator<QWidget> it( d->knownWidget );
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(widget = it.current()); ++it )
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{
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KConfigSkeletonItem *item = m_conf->findItem(it.currentKey());
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if (!item)
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{
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kdWarning(178) << "The setting '" << it.currentKey() << "' has disappeared!" << endl;
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continue;
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}
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QVariant p = property(widget);
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if (p != item->property())
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{
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// kdDebug(178) << "Widget for '" << it.currentKey() << "' has changed." << endl;
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return true;
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}
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}
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return false;
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}
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bool KConfigDialogManager::isDefault()
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{
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bool bUseDefaults = m_conf->useDefaults(true);
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bool result = !hasChanged();
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m_conf->useDefaults(bUseDefaults);
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return result;
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}
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#include "kconfigdialogmanager.moc"
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