169 lines
4.7 KiB
C++
169 lines
4.7 KiB
C++
/*******************************************************************************
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//
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// File: DirectWindow.h
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//
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// Description: Client window class for direct screen access.
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//
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// Copyright 1998, Be Incorporated, All Rights Reserved.
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//
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*******************************************************************************/
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#ifndef _DIRECT_WINDOW_H
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#define _DIRECT_WINDOW_H
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#include <Region.h>
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#include <Window.h>
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class BDirectDriver;
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/* State of the direct access when called back through DirectConnected */
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enum direct_buffer_state {
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B_DIRECT_MODE_MASK = 15,
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B_DIRECT_START = 0,
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B_DIRECT_STOP = 1,
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B_DIRECT_MODIFY = 2,
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B_CLIPPING_MODIFIED = 16,
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B_BUFFER_RESIZED = 32,
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B_BUFFER_MOVED = 64,
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B_BUFFER_RESET = 128
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};
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/* State of the direct driver and its hooks functions */
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enum direct_driver_state {
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B_DRIVER_CHANGED = 0x0001,
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B_MODE_CHANGED = 0x0002
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};
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/* Integer rect used to define a cliping rectangle. All bounds are included */
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/* Moved to Region.h */
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/* Frame buffer access descriptor */
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typedef struct {
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direct_buffer_state buffer_state;
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direct_driver_state driver_state;
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void *bits;
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void *pci_bits;
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int32 bytes_per_row;
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uint32 bits_per_pixel;
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color_space pixel_format;
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buffer_layout layout;
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buffer_orientation orientation;
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uint32 _reserved[9];
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uint32 _dd_type_;
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uint32 _dd_token_;
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uint32 clip_list_count;
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clipping_rect window_bounds;
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clipping_rect clip_bounds;
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clipping_rect clip_list[1];
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} direct_buffer_info;
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/* BDirectWindow class */
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class BDirectWindow : public BWindow {
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public:
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BDirectWindow( BRect frame,
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const char *title,
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window_type type,
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uint32 flags,
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uint32 workspace = B_CURRENT_WORKSPACE);
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BDirectWindow( BRect frame,
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const char *title,
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window_look look,
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window_feel feel,
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uint32 flags,
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uint32 workspace = B_CURRENT_WORKSPACE);
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virtual ~BDirectWindow();
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static BArchivable *Instantiate(BMessage *data);
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virtual status_t Archive(BMessage *data, bool deep = true) const;
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/* defined for future extension (fragile base class). Identical to BWindow */
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virtual void Quit(void);
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virtual void DispatchMessage(BMessage *message, BHandler *handler);
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virtual void MessageReceived(BMessage *message);
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virtual void FrameMoved(BPoint new_position);
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virtual void WorkspacesChanged(uint32 old_ws, uint32 new_ws);
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virtual void WorkspaceActivated(int32 ws, bool state);
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virtual void FrameResized(float new_width, float new_height);
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virtual void Minimize(bool minimize);
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virtual void Zoom( BPoint rec_position,
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float rec_width,
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float rec_height);
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virtual void ScreenChanged(BRect screen_size, color_space depth);
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virtual void MenusBeginning();
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virtual void MenusEnded();
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virtual void WindowActivated(bool state);
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virtual void Show();
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virtual void Hide();
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virtual BHandler *ResolveSpecifier(BMessage *msg,
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int32 index,
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BMessage *specifier,
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int32 form,
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const char *property);
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virtual status_t GetSupportedSuites(BMessage *data);
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virtual status_t Perform(perform_code d, void *arg);
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private:
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virtual void task_looper();
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virtual BMessage *ConvertToMessage(void *raw, int32 code);
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/* new APIs */
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public:
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virtual void DirectConnected(direct_buffer_info *info);
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status_t GetClippingRegion(BRegion *region, BPoint *origin = NULL) const;
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status_t SetFullScreen(bool enable);
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bool IsFullScreen() const;
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static bool SupportsWindowMode(screen_id = B_MAIN_SCREEN_ID);
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/* private */
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private:
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typedef BWindow inherited;
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virtual void _ReservedDirectWindow1();
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virtual void _ReservedDirectWindow2();
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virtual void _ReservedDirectWindow3();
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virtual void _ReservedDirectWindow4();
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BDirectWindow();
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BDirectWindow(BDirectWindow &);
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BDirectWindow &operator=(BDirectWindow &);
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bool deamon_killer;
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bool connection_enable;
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bool full_screen_enable;
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bool direct_driver_ready;
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bool in_direct_connect;
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int32 direct_lock;
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sem_id direct_sem;
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uint32 direct_lock_count;
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thread_id direct_lock_owner;
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char *direct_lock_stack;
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sem_id disable_sem;
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sem_id disable_sem_ack;
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uint32 dw_init_status;
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uint32 info_area_size;
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uint32 direct_driver_type;
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uint32 direct_driver_token;
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area_id cloned_clipping_area;
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area_id source_clipping_area;
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thread_id direct_deamon_id;
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direct_buffer_info *buffer_desc;
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BDirectDriver *direct_driver;
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struct priv_ext *extension;
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uint32 _reserved_[15];
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static int32 DirectDeamonFunc(void *arg);
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bool LockDirect() const;
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void UnlockDirect() const;
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void InitData();
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void DisposeData();
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status_t DriverSetup() const;
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};
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#endif
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