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90 lines
3.9 KiB
90 lines
3.9 KiB
/***************************************************************************
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* Copyright (C) 2002-2004 by Alexander Dymo *
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* cloudtemple@mskat.net *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Library General Public License as *
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* published by the Free Software Foundation; either version 2 of the *
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* License, or (at your option) 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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* You should have received a copy of the GNU Library General Public *
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* License along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef PROPERTYWIDGET_H
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#define PROPERTYWIDGET_H
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#include <tqwidget.h>
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#include <tqvariant.h>
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/** @file propertywidget.h
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@short Contains @ref PropertyLib::PropertyWidget class.
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*/
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#include "multiproperty.h"
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namespace PropertyLib{
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/**
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@short An abstract base class of property viewer and editor vidget.
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Subclass this class to create custom property viewer and editor widget.
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Descendants should implement value() and setValue() methods.
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Hint: in case you want to implement your property editor widget using
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existing widgets like TQLineEdit, TQComboBox, etc. you can't use multiple
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inheritance from two TQObject descendants due to TQt library restriction.
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Therefore use line edits and combo boxes as child widgets.
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A set of predefined widgets for predefined property types are available
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in the library.
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*/
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class PropertyWidget: public TQWidget{
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Q_OBJECT
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TQ_OBJECT
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public:
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/**Constructs widget for property with name "propertyName".*/
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PropertyWidget(MultiProperty *property, TQWidget *tqparent = 0, const char *name = 0);
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virtual ~PropertyWidget() {}
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/**@return the value currently entered in the editor widget.*/
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virtual TQVariant value() const = 0;
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/**Sets the value shown in the editor widget. Set emitChange to false
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if you don't want to emit propertyChanged signal.*/
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virtual void setValue(const TQVariant &value, bool emitChange=true) = 0;
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/**@return the name of edited property.*/
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virtual TQString propertyName() const;
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/**Sets the name of edited property.*/
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virtual void setProperty(MultiProperty *property);
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/**Sets the list of possible values shown in the editor widget. This method
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does not emit propertyChanged signal.*/
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virtual void setValueList(const TQMap<TQString, TQVariant> &valueList);
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/**Function to draw a property viewer when the editor isn't shown.*/
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virtual void drawViewer(TQPainter *p, const TQColorGroup &cg, const TQRect &r, const TQVariant &value);
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/**Reverts the property value to previous setting.*/
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virtual void undo();
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signals:
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/**Emit this signal when property value is changed. Probably you want
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to emit it only from @ref setValue() method.
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@ref PropertyLib::PropertyEditor widget will connect this to the appropriate slot which
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will make updates to the @ref PropertyLib::PropertyList that hold propeties.*/
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void propertyChanged(MultiProperty *property, const TQVariant &value);
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protected:
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MultiProperty *m_property;
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};
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}
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#endif
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