src/apps/showimage/SelectionBox.h

   1 /*
   2  * Copyright 2003-2010, Haiku, Inc. All Rights Reserved.
   3  * Copyright 2004-2005 yellowTAB GmbH. All Rights Reserverd.
   4  * Copyright 2006 Bernd Korz. All Rights Reserved
   5  * Distributed under the terms of the MIT License.
   6  *
   7  * Authors:
   8  *              Fernando Francisco de Oliveira
   9  *              Michael Wilber
  10  *              Michael Pfeiffer
  11  *              yellowTAB GmbH
  12  *              Bernd Korz
  13  *              Stephan Aßmus <superstippi@gmx.de>
  14  */
  15 #ifndef SELECTION_BOX_H
  16 #define SELECTION_BOX_H
  17
  18
  19 #include <View.h>
  20
  21 class ShowImageView;
  22
  23
  24 class SelectionBox {
  25 public:
  26                                                                 SelectionBox();
  27                                                                 ~SelectionBox();
  28
  29                         void                            SetBounds(ShowImageView* view, BRect bounds);
  30                         BRect                           Bounds() const;
  31
  32                         void                            MouseDown(ShowImageView* view, BPoint where);
  33                         void                            MouseMoved(ShowImageView* view, BPoint where);
  34                         void                            MouseUp(ShowImageView* view, BPoint where);
  35
  36                         void                            Animate();
  37                         void                            Draw(ShowImageView* view,
  38                                                                         const BRect& updateRect) const;
  39
  40 private:
  41                         void                            _InitPatterns();
  42
  43                         BRect                           _RectInView(ShowImageView* view) const;
  44
  45 private:
  46                         BRect                           fBounds;
  47
  48                         // Use patterns to simulate marching ants for selection.
  49                         pattern                         fPatternUp;
  50                         pattern                         fPatternDown;
  51                         pattern                         fPatternLeft;
  52                         pattern                         fPatternRight;
  53 };
  54
  55 #endif  // SELECTION_BOX_H