Source: kanimwidget.h

# Source: kanimwidget.h |
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    /* This file is part of the KDE libraries
       Copyright (C) 2000 Kurt Granroth

       This library is free software; you can redistribute it and/or
       modify it under the terms of the GNU Library General Public
       License version 2 as published by the Free Software Foundation.

       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., 59 Temple Place - Suite 330,
       Boston, MA 02111-1307, USA.
    */
    #ifndef _KANIMWIDGET_H
    #define _KANIMWIDGET_H

    #include

    class QStringList;
    class QPainter;
    class QMouseEvent;

    class KAnimWidgetPrivate;
    /**
     * This is a widget used to display animation using multiple
     * individual pixmaps.  This widget allows you to deal with variable
     * size icons (e.g., ones that will change based on a global setting)
     * as it loads the icons internally.  All you need to do is pass along
     * a list of icon names and their size and everything else is taken
     * care of.
     *
     * This widget also emits a 'clicked()' signal when it received a
     * mouse press event.
     *
     * A quick example:
     *
     * QStringList icons;
     * icons.append("one");
     * icons.append("two");
     * icons.append("three");
     * KAnimWidget *anim = new KAnimWidget(icons, 0, this);
     * anim->start();
     *
     *
     * That example will search for the pixmaps "one.png", "two.png", and
     * "three.png" in the share/icons/small/ directories as well as the
     * app's pics directory.
     *
     * @short Widget animated using individual icons
     * @author Kurt Granroth
     */
    class KAnimWidget : public QFrame
    {
      Q_OBJECT
    public:
      /**
       * This is the most common constructor.  Pass along the name of the
       * animated icons to use (e.g., "kde") for the animation and an
       * optional size to load and you're set.  If you omit the size, the
       * default size will be used.
       *
       * @param icons  The icons name (e.g., "kde") to use for the animation
       * @param size   The size to load
       *               You don't have to set it if the parent is a
       *               KToolBar; in this case it will use the toolbar's
       *               size.
       * @param parent The standard parent
       * @param name   The standard internal name
       */
      KAnimWidget( const QString& icons, int size = 0,
                   QWidget *parent = 0L, const char *name = 0L );

      /**
       * Default constructor.  This will not do anything until you use
       * @ref setIcons() later.
       *
       * @param parent The standard parent
       * @param name   The standard internal name
       */
      KAnimWidget( QWidget *parent = 0L, const char *name = 0L );

      /**
       * Destructor
       */
      virtual ~KAnimWidget();

      /**
       * Starts the animation from frame 1
       */
      void start();

      /**
       * Stops the animation.  This will also reset the widget to frame 1.
       */
      void stop();

      /**
       * Sets the size of the icons.
       *
       * @param size The size of the icons
       */
      void setSize( int size );

      /**
       * Sets the name of the animated icons to load.  This will use the
       * KIconLoader::loadAnimated method for the actual loading.
       *
       * @param icons The name of the icons to use for the animation
       */
      void setIcons( const QString& icons );

    signals:
      void clicked();

    protected:
      virtual void drawContents( QPainter *p );
      virtual void leaveEvent( QEvent *e );
      virtual void enterEvent( QEvent *e );
      virtual void hideEvent( QHideEvent *e);
      virtual void showEvent( QShowEvent *e);
      virtual void mousePressEvent( QMouseEvent *e );
      virtual void mouseReleaseEvent( QMouseEvent *e );

    protected slots:
      void slotTimerUpdate();
      void updateIcons();

    protected:
      virtual void virtual_hook( int id, void* data );
    private:
      KAnimWidgetPrivate *d;
    };

    #endif // _KANIMWIDGET_H

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