1 /* 2 * Copyright 2001-2009, 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 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 AttachedToManager(CursorManager* manager); 51 52 const uint8* CursorData() const 53 { return fCursorData; } 54 55 protected: 56 virtual void LastReferenceReleased(); 57 58 private: 59 friend class CursorManager; 60 61 BPoint fHotSpot; 62 team_id fOwningTeam; 63 uint8* fCursorData; 64 CursorManager* fManager; 65 }; 66 67 68 class ServerCursorReference { 69 public: 70 ServerCursorReference() 71 : 72 fCursor(NULL) 73 { 74 } 75 76 ServerCursorReference(ServerCursor* cursor) 77 : 78 fCursor(cursor) 79 { 80 if (fCursor) 81 fCursor->AcquireReference(); 82 } 83 84 ServerCursorReference(const ServerCursorReference& other) 85 : 86 fCursor(other.fCursor) 87 { 88 if (fCursor) 89 fCursor->AcquireReference(); 90 } 91 92 virtual ~ServerCursorReference() 93 { 94 if (fCursor) 95 fCursor->ReleaseReference(); 96 } 97 98 ServerCursorReference& operator=(const ServerCursorReference& other) 99 { 100 SetCursor(other.fCursor); 101 return *this; 102 } 103 104 void SetCursor(ServerCursor* cursor) 105 { 106 if (fCursor == cursor) 107 return; 108 109 if (cursor) 110 cursor->AcquireReference(); 111 112 ServerCursor* oldCursor = fCursor; 113 114 fCursor = cursor; 115 116 if (oldCursor) 117 oldCursor->ReleaseReference(); 118 } 119 120 ServerCursor* Cursor() const 121 { 122 return fCursor; 123 } 124 125 private: 126 ServerCursor* fCursor; 127 }; 128 129 130 #endif // SERVER_CURSOR_H 131