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KDEUI

kled.h

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00001 /* This file is part of the KDE libraries
00002     Copyright (C) 1998 Jörg Habenicht (j.habenicht@europemail.com)
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public License
00015     along with this library; see the file COPYING.LIB.  If not, write to
00016     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017     Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef KLED_H
00021 #define KLED_H
00022 
00023 #include <kdeui_export.h>
00024 
00025 #include <QtGui/QWidget>
00026 
00027 class QColor;
00028 
00044 class KDEUI_EXPORT KLed : public QWidget
00045 {
00046     Q_OBJECT
00047     Q_ENUMS( State Shape Look )
00048     Q_PROPERTY( State state READ state WRITE setState )
00049     Q_PROPERTY( Shape shape READ shape WRITE setShape )
00050     Q_PROPERTY( Look look READ look WRITE setLook )
00051     Q_PROPERTY( QColor color READ color WRITE setColor )
00052     Q_PROPERTY( int darkFactor READ darkFactor WRITE setDarkFactor )
00053 
00054   public:
00055 
00060     enum State { Off, On };
00061 
00066     enum Shape { Rectangular, Circular };
00067 
00088     enum Look  { Flat, Raised, Sunken };
00089 
00096     explicit KLed( QWidget *parent = 0 );
00097 
00106     explicit KLed( const QColor &color, QWidget *parent = 0 );
00107 
00120     KLed( const QColor& color, KLed::State state, KLed::Look look, KLed::Shape shape,
00121           QWidget *parent = 0 );
00122 
00127     ~KLed();
00128 
00135     QColor color() const;
00136 
00143     State state() const;
00144 
00151     Look look() const;
00152 
00159     Shape shape() const;
00160 
00167     int darkFactor() const;
00168 
00184     void setColor( const QColor& color );
00185 
00195     void setState( State state );
00196 
00210     void setLook( Look look );
00211 
00218     void setShape( Shape shape );
00219 
00233     void setDarkFactor( int darkFactor );
00234 
00235     virtual QSize sizeHint() const;
00236     virtual QSize minimumSizeHint() const;
00237 
00238   public Q_SLOTS:
00239 
00245     void toggle();
00246 
00253     void on();
00254 
00261     void off();
00262 
00263   protected:
00267     virtual int ledWidth() const;
00268 
00272     virtual void paintFlat();
00273 
00277     virtual void paintRaised();
00278 
00282     virtual void paintSunken();
00283 
00287     virtual void paintRect();
00288 
00293     virtual void paintRectFrame( bool raised );
00294 
00295     void paintEvent( QPaintEvent* );
00296 
00301     bool paintCachedPixmap();
00302 
00303   private:
00304     class Private;
00305     Private * const d;
00306 };
00307 
00308 #endif

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