1 /* 2 * Copyright 2001-2006, Haiku. 3 * Distributed under the terms of the MIT License. 4 * 5 * Authors: 6 * DarkWyrm <bpmagic@columbus.rr.com> 7 * Stephan Aßmus <superstippi@gmx.de> 8 * Axel Dörfler, axeld@pinc-software.de 9 */ 10 #ifndef SERVER_CURSOR_H 11 #define SERVER_CURSOR_H 12 13 14 #include "ServerBitmap.h" 15 16 #include <Point.h> 17 #include <String.h> 18 19 class ServerApp; 20 class CursorManager; 21 22 23 class ServerCursor : public ServerBitmap { 24 public: 25 ServerCursor(BRect r, color_space space, 26 int32 flags, BPoint hotspot, 27 int32 bytesperrow = -1, 28 screen_id screen = B_MAIN_SCREEN_ID); 29 ServerCursor(const uint8* cursorDataFromR5); 30 ServerCursor(const uint8* alreadyPaddedData, 31 uint32 width, uint32 height, 32 color_space format); 33 ServerCursor(const ServerCursor* cursor); 34 35 virtual ~ServerCursor(); 36 37 //! Returns the cursor's hot spot 38 void SetHotSpot(BPoint pt); 39 BPoint GetHotSpot() const 40 { return fHotSpot; } 41 42 void SetOwningTeam(team_id tid) 43 { fOwningTeam = tid; } 44 team_id OwningTeam() const 45 { return fOwningTeam; } 46 47 int32 Token() const 48 { return fToken; } 49 50 void Acquire() 51 { atomic_add(&fReferenceCount, 1); } 52 bool Release(); 53 int32 ReferenceCount() { return fReferenceCount; } 54 55 void AttachedToManager(CursorManager* manager); 56 57 const uint8* CursorData() const 58 { return fCursorData; } 59 60 private: 61 friend class CursorManager; 62 63 BPoint fHotSpot; 64 team_id fOwningTeam; 65 vint32 fReferenceCount; 66 uint8* fCursorData; 67 CursorManager* fManager; 68 }; 69 70 71 class ServerCursorReference { 72 public: 73 ServerCursorReference() 74 : fCursor(NULL) 75 { 76 } 77 ServerCursorReference(ServerCursor* cursor) 78 : fCursor(cursor) 79 { 80 if (fCursor) 81 fCursor->Acquire(); 82 } 83 ServerCursorReference(const ServerCursorReference& other) 84 : fCursor(other.fCursor) 85 { 86 if (fCursor) 87 fCursor->Acquire(); 88 } 89 virtual ~ServerCursorReference() 90 { 91 if (fCursor) 92 fCursor->Release(); 93 } 94 95 ServerCursorReference& operator=(const ServerCursorReference& other) 96 { 97 SetCursor(other.fCursor); 98 return *this; 99 } 100 101 void SetCursor(ServerCursor* cursor) 102 { 103 if (fCursor == cursor) 104 return; 105 if (cursor) 106 cursor->Acquire(); 107 ServerCursor* oldCursor = fCursor; 108 fCursor = cursor; 109 if (oldCursor) 110 oldCursor->Release(); 111 } 112 ServerCursor* Cursor() const 113 { 114 return fCursor; 115 } 116 private: 117 ServerCursor* fCursor; 118 }; 119 120 121 #endif // SERVER_CURSOR_H 122