src/servers/app/WorkspacesView.h

   1 /*
   2  * Copyright 2005-2008, Haiku Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * Authors:
   6  *              Axel Dörfler, axeld@pinc-software.de
   7  */
   8 #ifndef WORKSPACES_VIEW_H
   9 #define WORKSPACES_VIEW_H
  10
  11
  12 #include "View.h"
  13
  14
  15 class WorkspacesView : public View {
  16 public:
  17                                         WorkspacesView(BRect frame, BPoint scrollingOffset,
  18                                                 const char* name, int32 token, uint32 resize,
  19                                                 uint32 flags);
  20         virtual                 ~WorkspacesView();
  21
  22         virtual void    AttachedToWindow(::Window* window);
  23         virtual void    DetachedFromWindow();
  24
  25         virtual void    Draw(DrawingEngine* drawingEngine,
  26                                                 BRegion* effectiveClipping,
  27                                                 BRegion* windowContentClipping, bool deep = false);
  28
  29         virtual void    MouseDown(BMessage* message, BPoint where);
  30         virtual void    MouseUp(BMessage* message, BPoint where);
  31         virtual void    MouseMoved(BMessage* message, BPoint where);
  32
  33                         void    WindowChanged(::Window* window);
  34                         void    WindowRemoved(::Window* window);
  35
  36 private:
  37                         void    _GetGrid(int32& columns, int32& rows);
  38                         BRect   _ScreenFrame(int32 index);
  39                         BRect   _WorkspaceAt(int32 index);
  40                         BRect   _WorkspaceAt(BPoint where, int32& index);
  41                         BRect   _WindowFrame(const BRect& workspaceFrame,
  42                                                 const BRect& screenFrame, const BRect& windowFrame,
  43                                                 BPoint windowPosition);
  44
  45                         void    _DrawWindow(DrawingEngine* drawingEngine,
  46                                                 const BRect& workspaceFrame, const BRect& screenFrame,
  47                                                 ::Window* window, BPoint windowPosition,
  48                                                 BRegion& backgroundRegion, bool workspaceActive);
  49                         void    _DrawWorkspace(DrawingEngine* drawingEngine,
  50                                                 BRegion& redraw, int32 index);
  51
  52                         void    _DarkenColor(rgb_color& color) const;
  53                         void    _Invalidate() const;
  54
  55 private:
  56         ::Window*               fSelectedWindow;
  57         int32                   fSelectedWorkspace;
  58         bool                    fHasMoved;
  59         BPoint                  fClickPoint;
  60         BPoint                  fLeftTopOffset;
  61 };
  62
  63 #endif  // WORKSPACES_VIEW_H