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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-06 15:56:40 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-06 15:56:40 -0600
commite16866e072f94410321d70daedbcb855ea878cac (patch)
treeee3f52eabde7da1a0e6ca845fb9c2813cf1558cf /tdecore/kconfigdialogmanager.h
parenta58c20c1a7593631a1b50213c805507ebc16adaf (diff)
downloadtdelibs-e16866e072f94410321d70daedbcb855ea878cac.tar.gz
tdelibs-e16866e072f94410321d70daedbcb855ea878cac.zip
Actually move the kde files that were renamed in the last commit
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+/*
+ * This file is part of the KDE libraries
+ * Copyright (C) 2003 Benjamin C Meyer (ben+kdelibs at meyerhome dot net)
+ * Copyright (C) 2003 Waldo Bastian <bastian@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef KCONFIGDIALOGMANAGER_H
+#define KCONFIGDIALOGMANAGER_H
+
+#include <tqobject.h>
+#include <tqptrlist.h>
+#include "kdelibs_export.h"
+
+class KConfigSkeleton;
+class KConfigSkeletonItem;
+class TQWidget;
+class TQSqlPropertyMap;
+
+/**
+ * @short Provides a means of automatically retrieving,
+ * saving and resetting KConfigSkeleton based settings in a dialog.
+ *
+ * The KConfigDialogManager class provides a means of automatically
+ * retrieving, saving and resetting basic settings.
+ * It also can emit signals when settings have been changed
+ * (settings were saved) or modified (the user changes a checkbox
+ * from on to off).
+ *
+ * The names of the widgets to be managed have to correspond to the names of the
+ * configuration entries in the KConfigSkeleton object plus an additional
+ * "kcfg_" prefix. For example a widget named "kcfg_MyOption" would be
+ * associated to the configuration entry "MyOption".
+ *
+ * KConfigDialogManager uses the TQSqlPropertyMap class to determine if it can do
+ * anything to a widget. Note that KConfigDialogManager doesn't require a
+ * database, it simply uses the functionality that is built into the
+ * TQSqlPropertyMap class. New widgets can be added to the map using
+ * TQSqlPropertyMap::installDefaultMap(). Note that you can't just add any
+ * class. The class must have a matching Q_PROPERTY(...) macro defined.
+ *
+ * For example (note that KColorButton is already added and it doesn't need to
+ * manually added):
+ *
+ * kcolorbutton.h defines the following property:
+ * \code
+ * Q_PROPERTY( TQColor color READ color WRITE setColor )
+ * \endcode
+ *
+ * To add KColorButton the following code would be inserted in the main.
+ *
+ * \code
+ * kapp->installKDEPropertyMap();
+ * TQSqlPropertyMap *map = TQSqlPropertyMap::defaultMap();
+ * map->insert("KColorButton", "color");
+ * \endcode
+ *
+ * If you add a new widget to the TQSqlPropertyMap and wish to be notified when
+ * it is modified you should add its signal using addWidgetChangedSignal().
+
+ * @since 3.2
+ * @author Benjamin C Meyer <ben+kdelibs at meyerhome dot net>
+ * @author Waldo Bastian <bastian@kde.org>
+ */
+class KDECORE_EXPORT KConfigDialogManager : public TQObject {
+
+Q_OBJECT
+
+signals:
+ /**
+ * One or more of the settings have been saved (such as when the user
+ * clicks on the Apply button). This is only emitted by updateSettings()
+ * whenever one or more setting were changed and consequently saved.
+ */
+ void settingsChanged();
+
+ /**
+ * TODO: Verify
+ * One or more of the settings have been changed.
+ * @param widget - The widget group (pass in via addWidget()) that
+ * contains the one or more modified setting.
+ * @see settingsChanged()
+ */
+ void settingsChanged( TQWidget *widget );
+
+ /**
+ * If retrieveSettings() was told to track changes then if
+ * any known setting was changed this signal will be emitted. Note
+ * that a settings can be modified several times and might go back to the
+ * original saved state. hasChanged() will tell you if anything has
+ * actually changed from the saved values.
+ */
+ void widgetModified();
+
+
+public:
+
+ /**
+ * Constructor.
+ * @param parent Dialog widget to manage
+ * @param conf Object that contains settings
+ * @param name - Object name.
+ */
+ KConfigDialogManager(TQWidget *parent, KConfigSkeleton *conf, const char *name=0);
+
+ /**
+ * Destructor.
+ */
+ ~KConfigDialogManager();
+
+ /**
+ * Add additional widgets to manage
+ * @param widget Additional widget to manage, inlcuding all its children
+ */
+ void addWidget(TQWidget *widget);
+
+ /**
+ * Returns whether the current state of the known widgets are
+ * different from the state in the config object.
+ */
+ bool hasChanged();
+
+ /**
+ * Returns whether the current state of the known widgets are
+ * the same as the default state in the config object.
+ */
+ bool isDefault();
+
+public slots:
+ /**
+ * Traverse the specified widgets, saving the settings of all known
+ * widgets in the settings object.
+ *
+ * Example use: User clicks Ok or Apply button in a configure dialog.
+ */
+ void updateSettings();
+
+ /**
+ * Traverse the specified widgets, sets the state of all known
+ * widgets according to the state in the settings object.
+ *
+ * Example use: Initialisation of dialog.
+ * Example use: User clicks Reset button in a configure dialog.
+ */
+ void updateWidgets();
+
+ /**
+ * Traverse the specified widgets, sets the state of all known
+ * widgets according to the default state in the settings object.
+ *
+ * Example use: User clicks Defaults button in a configure dialog.
+ */
+ void updateWidgetsDefault();
+
+protected:
+
+ /**
+ * @param trackChanges - If any changes by the widgets should be tracked
+ * set true. This causes the emitting the modified() signal when
+ * something changes.
+ * TODO: @return bool - True if any setting was changed from the default.
+ */
+ void init(bool trackChanges);
+
+ /**
+ * Recursive function that finds all known children.
+ * Goes through the children of widget and if any are known and not being
+ * ignored, stores them in currentGroup. Also checks if the widget
+ * should be disabled because it is set immutable.
+ * @param widget - Parent of the children to look at.
+ * @param trackChanges - If true then tracks any changes to the children of
+ * widget that are known.
+ * @return bool - If a widget was set to something other then its default.
+ */
+ bool parseChildren(const TQWidget *widget, bool trackChanges);
+
+ /**
+ * Set a property
+ */
+ void setProperty(TQWidget *w, const TQVariant &v);
+
+ /**
+ * Retrieve a property
+ */
+ TQVariant property(TQWidget *w);
+
+ /**
+ * Setup secondary widget properties
+ */
+ void setupWidget(TQWidget *widget, KConfigSkeletonItem *item);
+
+protected:
+ /**
+ * KConfigSkeleton object used to store settings
+ */
+ KConfigSkeleton *m_conf;
+
+ /**
+ * Dialog being managed
+ */
+ TQWidget *m_dialog;
+
+ /**
+ * Pointer to the property map for easy access.
+ */
+ TQSqlPropertyMap *propertyMap;
+
+ /**
+ * Map of the classes and the signals that they emit when changed.
+ */
+ TQMap<TQString, TQCString> changedMap;
+
+private:
+ class Private;
+ /**
+ * KConfigDialogManager Private class.
+ */
+ Private *d;
+
+};
+
+#endif // KCONFIGDIALOGMANAGER_H
+