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392 lines
9.1 KiB
392 lines
9.1 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2005-01-01
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* Description :
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*
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* Copyright (C) 2005 by Renchi Raju <renchi@pooh.tam.uiuc.edu>
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* Copyright (C) 2005 by Tom Albers <tomalbers@kde.nl>
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* Copyright (C) 2006-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* ============================================================ */
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/** @file searchwidgets.h */
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#ifndef SEARCHWIDGETS_H
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#define SEARCHWIDGETS_H
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class TQHBox;
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class TQVBox;
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class TQCheckBox;
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class TQComboBox;
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class TQLineEdit;
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class TQLabel;
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class TQVGroupBox;
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class TQLabel;
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class KURL;
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class KDateEdit;
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namespace Digikam
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{
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class RatingWidget;
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class SqueezedComboBox;
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/** @class SearchRuleLabel
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*
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* This class inherits everything from TQLabel, and adds one
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* signal to it, when double clicked on it.
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*/
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class SearchRuleLabel: public TQLabel
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{
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TQ_OBJECT
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public:
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/** Constructor. See for more info the TQLabel clas.
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* @param text Text of the label
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* @param parent The parent widget
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* @param name The name
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* @param f WFlags
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*/
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SearchRuleLabel(const TQString & text,
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TQWidget * parent,
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const char * name=0,
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WFlags f=0 );
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signals:
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/**
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* Signal which gets emitted when a double clicked
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* event occurs
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* @param e the mouse event received
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*/
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void signalDoubleClick( TQMouseEvent * e );
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private:
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void mouseDoubleClickEvent( TQMouseEvent * e );
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};
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/** @class SearchAdvancedBase
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*
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* This class is a common class for SearchAdvancedRule and
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* SearchAdvancedGroup. It contains the basic functionality
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* for the advanced search dialog.
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* @author Renchi Raju
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* @author Tom Albers
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*
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*/
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class SearchAdvancedBase : public TQObject
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{
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TQ_OBJECT
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public:
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/** @enum Type
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* Possible types. A Base item can either be a Rule on its own
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* or hold a group of rules.
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*/
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enum Type
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{
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RULE = 0,
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GROUP
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};
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/** @enum Option
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* Possible Options. A Rule or a group of rules can have a relation
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* to the previous rule or group of rules. None can be used for the
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* first rule or group.
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*/
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enum Option
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{
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NONE = 0,
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AND,
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OR
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};
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/**
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* Constructor
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* @param type Determines which type of base item to be created.
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*/
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SearchAdvancedBase(Type type): m_type(type) {}
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/**
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* Destructor
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*/
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virtual ~SearchAdvancedBase() {}
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/**
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* Returns the type of the base item
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* @return The type which is a enum, see above
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*/
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Type type() const { return m_type; }
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/**
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* Returns a pointer to the widget holding the base item
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* @return Pointer to the widget
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*/
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virtual TQWidget* widget() const = 0;
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/**
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* Determines if the base item is checked or not
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* @return true if the base item is checked and false if not
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*/
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virtual bool isChecked() const = 0;
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/**
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* Returns the option which is accociated with the base item
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* @return The Option which is a enum, see above
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*/
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Option option() const { return m_option; }
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/**
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* Sets the option of the base item
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* @param option The enum of the option to be set
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*/
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virtual void addOption(Option option) = 0;
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/**
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* Removes the option of the base item
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*/
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virtual void removeOption() = 0;
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signals:
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/**
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* This signal is emitted when a rule or group is checked or unchecked
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* This is used to determine the state of the buttons of the dialog
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*/
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void signalBaseItemToggled();
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/**
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* This signal is emitted when there is a change in the rule.
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* This is used in the dialog to recalculate the url to pass to the
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* preview widget
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*/
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void signalPropertyChanged();
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protected:
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enum Option m_option;
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enum Type m_type;
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};
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class SearchAdvancedGroup;
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/** @class SearchAdvancedRule
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* This inherits SearchAdvancedBase and is one rule in the search dialog
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* it contains all widgets to create a rule
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*/
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class SearchAdvancedRule : public SearchAdvancedBase
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{
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TQ_OBJECT
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public:
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/**
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* Constructor
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* @param parent The parent
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* @param option Holds the Option of the rule, see the enum.
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*
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*/
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SearchAdvancedRule(TQWidget* parent, Option option);
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/**
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* destructor
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*/
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~SearchAdvancedRule();
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/**
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* Returns a pointer to the widget holding the rule
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* @return Pointer to the widget
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*/
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TQWidget* widget() const;
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/**
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* Determines if the rule is checked or not
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* @return True if the rule is checked, false if not
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*/
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bool isChecked() const;
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/**
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* Sets the values of the rule.
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* @param url The url which sets defaults for the rule.
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*/
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void setValues(const KURL& url);
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/**
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* Sets the option of the rule, so this holds the
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* relation ship to the previous rule or group
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* @param option the enum of the option to be set
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*/
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void addOption(Option option);
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/**
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* Removes the option of the rule
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*/
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void removeOption();
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/**
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* This adds the checkbox at the end of the rule. This is needed
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* for example when a group of rules get ungrouped.
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*/
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void addCheck();
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/**
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* This removes the checkbox at the end of the rule, this is
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* used if the rule is a part of a group. In a group the group
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* has the checkbox, not the individual rules.
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*/
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void removeCheck();
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/**
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* Gives back the value of the key part of the rule, which can
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* be used to build the correct url for the tdeio
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* @return The value of the key part of the rule
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*/
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TQString urlKey() const;
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/**
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* Gives back the value of the operator part of the rule, which can
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* be used to build the correct url for the tdeio
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* @return The value of the operator part of the rule
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*/
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TQString urlOperator() const;
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/**
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* Gives back the value of the value part of the rule, which can
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* be used to build the correct url for the tdeio
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* @return The value of the value part of the rule
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*/
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TQString urlValue() const;
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enum valueWidgetTypes
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{
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NOWIDGET = 0,
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LINEEDIT,
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DATE,
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ALBUMS,
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TAGS,
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RATING
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};
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private:
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void setValueWidget(valueWidgetTypes oldType, valueWidgetTypes newType);
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private slots:
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void slotKeyChanged(int);
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void slotLabelDoubleClick();
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private:
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TQLabel* m_label;
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TQVBox* m_box;
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TQWidget* m_hbox;
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TQHBoxLayout* m_hboxLayout;
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TQHBox* m_valueBox;
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TQCheckBox* m_check;
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TQComboBox* m_key;
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TQComboBox* m_operator;
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TQLineEdit* m_lineEdit;
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KDateEdit* m_dateEdit;
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SqueezedComboBox* m_valueCombo;
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RatingWidget* m_ratingWidget;
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TQMap<int, int> m_itemsIndexIDMap;
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TQHBox* m_optionsBox;
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enum valueWidgetTypes m_widgetType;
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};
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/** @class SearchAdvancedGroup
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* This inherits SearchAdvancedBase and is a group of rules
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* in the search dialog
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*/
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class SearchAdvancedGroup : public SearchAdvancedBase
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{
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public:
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/**
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* Constructor
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* @param parent the parent
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*/
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SearchAdvancedGroup(TQWidget* parent);
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/**
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* Destructor
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*/
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~SearchAdvancedGroup();
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/**
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* Returns a pointer to the widget holding the group
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* @return pointer to the widget
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*/
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TQWidget* widget() const;
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/**
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* determines if the rule is checked or not
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* @return bool, which indicated if the base item is checked
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*/
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bool isChecked() const;
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/**
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* sets the option of the group
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* @param option the enum of the option to be set
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*/
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void addOption(Option option);
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/**
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* removes the option
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*/
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void removeOption();
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/**
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* adds a rule to group
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* @param rule the pointer to the rule to be added to the group
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*/
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void addRule(SearchAdvancedRule* rule);
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/**
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* removes all rules from the group
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*/
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void removeRules();
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/**
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* gives back a list of pointers to the rules inside the group
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* @return a list of pointers to the childeren in the group
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*/
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TQValueList<SearchAdvancedRule*> childRules() const;
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private:
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TQHBox* m_box;
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TQVGroupBox* m_groupbox;
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TQCheckBox* m_check;
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TQValueList<SearchAdvancedRule*> m_childRules;
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};
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} // namespace Digikam
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#endif /* SEARCHWIDGETS_H */
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