1 /******************************************************************************* 2 // 3 // File: DirectWindow.h 4 // 5 // Description: Client window class for direct screen access. 6 // 7 // Copyright 1998, Be Incorporated, All Rights Reserved. 8 // 9 *******************************************************************************/ 10 11 12 #ifndef _DIRECT_WINDOW_H 13 #define _DIRECT_WINDOW_H 14 15 #include <Region.h> 16 #include <Window.h> 17 18 class BDirectDriver; 19 20 /* State of the direct access when called back through DirectConnected */ 21 enum direct_buffer_state { 22 B_DIRECT_MODE_MASK = 15, 23 24 B_DIRECT_START = 0, 25 B_DIRECT_STOP = 1, 26 B_DIRECT_MODIFY = 2, 27 28 B_CLIPPING_MODIFIED = 16, 29 B_BUFFER_RESIZED = 32, 30 B_BUFFER_MOVED = 64, 31 B_BUFFER_RESET = 128 32 }; 33 34 /* State of the direct driver and its hooks functions */ 35 enum direct_driver_state { 36 B_DRIVER_CHANGED = 0x0001, 37 B_MODE_CHANGED = 0x0002 38 }; 39 40 /* Integer rect used to define a cliping rectangle. All bounds are included */ 41 /* Moved to Region.h */ 42 43 /* Frame buffer access descriptor */ 44 typedef struct { 45 direct_buffer_state buffer_state; 46 direct_driver_state driver_state; 47 void *bits; 48 void *pci_bits; 49 int32 bytes_per_row; 50 uint32 bits_per_pixel; 51 color_space pixel_format; 52 buffer_layout layout; 53 buffer_orientation orientation; 54 uint32 _reserved[9]; 55 uint32 _dd_type_; 56 uint32 _dd_token_; 57 uint32 clip_list_count; 58 clipping_rect window_bounds; 59 clipping_rect clip_bounds; 60 clipping_rect clip_list[1]; 61 } direct_buffer_info; 62 63 /* BDirectWindow class */ 64 class BDirectWindow : public BWindow { 65 public: 66 BDirectWindow( BRect frame, 67 const char *title, 68 window_type type, 69 uint32 flags, 70 uint32 workspace = B_CURRENT_WORKSPACE); 71 BDirectWindow( BRect frame, 72 const char *title, 73 window_look look, 74 window_feel feel, 75 uint32 flags, 76 uint32 workspace = B_CURRENT_WORKSPACE); 77 virtual ~BDirectWindow(); 78 static BArchivable *Instantiate(BMessage *data); 79 virtual status_t Archive(BMessage *data, bool deep = true) const; 80 81 /* defined for future extension (fragile base class). Identical to BWindow */ 82 virtual void Quit(void); 83 virtual void DispatchMessage(BMessage *message, BHandler *handler); 84 virtual void MessageReceived(BMessage *message); 85 virtual void FrameMoved(BPoint new_position); 86 virtual void WorkspacesChanged(uint32 old_ws, uint32 new_ws); 87 virtual void WorkspaceActivated(int32 ws, bool state); 88 virtual void FrameResized(float new_width, float new_height); 89 virtual void Minimize(bool minimize); 90 virtual void Zoom( BPoint rec_position, 91 float rec_width, 92 float rec_height); 93 virtual void ScreenChanged(BRect screen_size, color_space depth); 94 virtual void MenusBeginning(); 95 virtual void MenusEnded(); 96 virtual void WindowActivated(bool state); 97 virtual void Show(); 98 virtual void Hide(); 99 virtual BHandler *ResolveSpecifier(BMessage *msg, 100 int32 index, 101 BMessage *specifier, 102 int32 form, 103 const char *property); 104 virtual status_t GetSupportedSuites(BMessage *data); 105 virtual status_t Perform(perform_code d, void *arg); 106 107 private: 108 virtual void task_looper(); 109 virtual BMessage *ConvertToMessage(void *raw, int32 code); 110 111 /* new APIs */ 112 113 public: 114 virtual void DirectConnected(direct_buffer_info *info); 115 status_t GetClippingRegion(BRegion *region, BPoint *origin = NULL) const; 116 status_t SetFullScreen(bool enable); 117 bool IsFullScreen() const; 118 119 static bool SupportsWindowMode(screen_id = B_MAIN_SCREEN_ID); 120 121 /* private */ 122 private: 123 124 typedef BWindow inherited; 125 126 virtual void _ReservedDirectWindow1(); 127 virtual void _ReservedDirectWindow2(); 128 virtual void _ReservedDirectWindow3(); 129 virtual void _ReservedDirectWindow4(); 130 131 132 BDirectWindow(); 133 BDirectWindow(BDirectWindow &); 134 BDirectWindow &operator=(BDirectWindow &); 135 136 bool deamon_killer; 137 bool connection_enable; 138 bool full_screen_enable; 139 bool direct_driver_ready; 140 bool in_direct_connect; 141 int32 direct_lock; 142 sem_id direct_sem; 143 uint32 direct_lock_count; 144 thread_id direct_lock_owner; 145 char *direct_lock_stack; 146 sem_id disable_sem; 147 sem_id disable_sem_ack; 148 uint32 dw_init_status; 149 uint32 info_area_size; 150 uint32 direct_driver_type; 151 uint32 direct_driver_token; 152 area_id cloned_clipping_area; 153 area_id source_clipping_area; 154 thread_id direct_deamon_id; 155 direct_buffer_info *buffer_desc; 156 BDirectDriver *direct_driver; 157 struct priv_ext *extension; 158 uint32 _reserved_[15]; 159 160 static int32 DirectDeamonFunc(void *arg); 161 bool LockDirect() const; 162 void UnlockDirect() const; 163 void InitData(); 164 void DisposeData(); 165 status_t DriverSetup() const; 166 }; 167 168 #endif 169