1 /* 2 * Copyright 2005, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * Axel Dörfler, axeld@pinc-software.de 7 */ 8 #ifndef VIRTUAL_SCREEN_H 9 #define VIRTUAL_SCREEN_H 10 11 12 #include "ScreenManager.h" 13 14 #include <Message.h> 15 16 class Desktop; 17 class DrawingEngine; 18 class HWInterface; 19 20 21 class VirtualScreen { 22 public: 23 VirtualScreen(); 24 ~VirtualScreen(); 25 26 ::DrawingEngine* DrawingEngine() const 27 { return fDrawingEngine; } 28 // TODO: can we have a multiplexing HWInterface as well? 29 // If not, this would need to be hidden, and only made 30 // available for the Screen class 31 ::HWInterface* HWInterface() const 32 { return fHWInterface; } 33 34 status_t RestoreConfiguration(Desktop& desktop, const BMessage* settings); 35 status_t StoreConfiguration(BMessage& settings); 36 37 status_t AddScreen(Screen* screen); 38 status_t RemoveScreen(Screen* screen); 39 40 BRect Frame() const; 41 42 // TODO: we need to play with a real multi-screen configuration to 43 // figure out the specifics here - possibly in the test environment? 44 void SetScreenFrame(int32 index, BRect frame); 45 46 Screen* ScreenAt(int32 index) const; 47 BRect ScreenFrameAt(int32 index) const; 48 int32 CountScreens() const; 49 50 private: 51 status_t _FindConfiguration(Screen* screen, BMessage& settings); 52 void _Reset(); 53 54 struct screen_item { 55 Screen* screen; 56 BRect frame; 57 // TODO: do we want to have a different color per screen as well? 58 }; 59 60 BMessage fSettings; 61 BRect fFrame; 62 BObjectList<screen_item> fScreenList; 63 ::DrawingEngine* fDrawingEngine; 64 ::HWInterface* fHWInterface; 65 }; 66 67 #endif /* VIRTUAL_SCREEN_H */ 68