src/apps/people/PictureView.h

   1 /*
   2  * Copyright 2011, Haiku.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Philippe Houdoin
   7  */
   8 #ifndef PICTURE_VIEW_H
   9 #define PICTURE_VIEW_H
  10
  11
  12 #include <Node.h>
  13 #include <String.h>
  14 #include <View.h>
  15
  16
  17 class BBitmap;
  18 class BFilePanel;
  19
  20 const uint32    kMsgLoadImage   = 'mLIM';
  21
  22
  23 class PictureView : public BView {
  24 public:
  25                                                                 PictureView(float width, float height,
  26                                                                         const entry_ref* ref);
  27         virtual                                         ~PictureView();
  28
  29                         bool                            HasChanged();
  30                         void                            Revert();
  31                         void                            Update();
  32                         void                            Update(const entry_ref* ref);
  33
  34                         BBitmap*                        Bitmap();
  35                         uint32                          SuggestedType();
  36                         const char*                     SuggestedMIMEType();
  37
  38         virtual void                            MessageReceived(BMessage* message);
  39         virtual void                            Draw(BRect updateRect);
  40         virtual void                            MouseDown(BPoint point);
  41         virtual void                            KeyDown(const char* bytes, int32 numBytes);
  42         virtual void                            WindowActivated(bool active);
  43         virtual void                            MakeFocus(bool focused);
  44
  45 private:
  46                         void                            _BeginDrag(BPoint sourcePoint);
  47                         void                            _HandleDrop(BMessage* message);
  48                         void                            _ShowPopUpMenu(BPoint screen);
  49                         BBitmap*                        _CopyPicture(uint8 alpha);
  50
  51                         status_t                        _LoadPicture(const entry_ref* ref);
  52                         void                            _SetPicture(BBitmap* bitmap);
  53
  54                         BBitmap*                        fPicture;
  55                         BBitmap*                        fOriginalPicture;
  56                         BBitmap*                        fDefaultPicture;
  57                         bool                            fShowingPopUpMenu;
  58                         BRect                           fPictureRect;
  59                         uint32                          fPictureType;
  60                         BString                         fPictureMIMEType;
  61                         bool                            fFocusChanging;
  62                         BFilePanel*                     fOpenPanel;
  63 };
  64
  65 #endif