scrollpanel.h

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/* 
 * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; version 2 of the
 * License.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301  USA
 */
#ifndef _MFORMS_SCROLLPANEL_H_
#define _MFORMS_SCROLLPANEL_H_

#include <mforms/panel.h>

namespace mforms {
  class ScrollPanel;
  
  enum ScrollPanelFlags {
    ScrollPanelNoFlags = 0,
    ScrollPanelBordered = (1<<0),
    ScrollPanelDrawBackground = (1<<1)
  };

#ifndef DOXYGEN_SHOULD_SKIP_THIS
#ifndef SWIG
  struct MFORMS_EXPORT ScrollPanelImplPtrs
  {
    bool (*create)(ScrollPanel*, ScrollPanelFlags flags);

    void (*add)(ScrollPanel*, View*);
    void (*remove)(ScrollPanel*);
    
    void (*set_visible_scrollers)(ScrollPanel*, bool vertical, bool horizontal);
    void (*set_autohide_scrollers)(ScrollPanel*, bool flag);
    void (*scroll_to_view)(ScrollPanel*, View*);
      
    base::Rect (*get_content_rect)(ScrollPanel*); //TODO: Windows, Linux
    void (*scroll_to)(ScrollPanel*, int x, int y);
  };
#endif
#endif

  class MFORMS_EXPORT ScrollPanel : public Container
  {
  public:
    ScrollPanel(ScrollPanelFlags flags=ScrollPanelNoFlags);
    ~ScrollPanel();
    
    void set_visible_scrollers(bool vertical, bool horizontal);

    void set_autohide_scrollers(bool flag);
    
    void add(View *child);
    void remove();

    /* Tries to scroll to given child. In other words to make sure child is visible. */
    void scroll_to_view(View* child);

    base::Rect get_content_rect();

    /* Scroll to the given x, y.*/
    void scroll_to(int x, int y);

  protected:
    ScrollPanelImplPtrs *_spanel_impl;
  };
};

#endif /* _MFORMS_SCROLLPANEL_H_ */