* Copyright 2020 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Stefano Ceccherini <stefano.ceccherini@gmail.com>
*/
#ifndef _DIRECT_WINDOW_H
#define _DIRECT_WINDOW_H
#include <Region.h>
#include <Window.h>
enum direct_buffer_state {
B_DIRECT_MODE_MASK = 15,
B_DIRECT_START = 0,
B_DIRECT_STOP = 1,
B_DIRECT_MODIFY = 2,
B_CLIPPING_MODIFIED = 16,
B_BUFFER_RESIZED = 32,
B_BUFFER_MOVED = 64,
B_BUFFER_RESET = 128
};
enum direct_driver_state {
B_DRIVER_CHANGED = 0x0001,
B_MODE_CHANGED = 0x0002
};
typedef struct {
direct_buffer_state buffer_state;
direct_driver_state driver_state;
void *bits;
void *pci_bits;
int32 bytes_per_row;
uint32 bits_per_pixel;
color_space pixel_format;
buffer_layout layout;
buffer_orientation orientation;
uint32 _reserved[9];
uint32 _dd_type_;
uint32 _dd_token_;
uint32 clip_list_count;
clipping_rect window_bounds;
clipping_rect clip_bounds;
clipping_rect clip_list[1];
} direct_buffer_info;
class BDirectWindow : public BWindow {
public:
BDirectWindow(BRect frame, const char* title,
window_type type, uint32 flags,
uint32 workspace = B_CURRENT_WORKSPACE);
BDirectWindow(BRect frame, const char* title,
window_look look, window_feel feel,
uint32 flags,
uint32 workspace = B_CURRENT_WORKSPACE);
virtual ~BDirectWindow();
static BArchivable* Instantiate(BMessage* data);
virtual status_t Archive(BMessage* data,
bool deep = true) const;
virtual void Quit();
virtual void DispatchMessage(BMessage* message,
BHandler* handler);
virtual void MessageReceived(BMessage* message);
virtual void FrameMoved(BPoint newPosition);
virtual void FrameResized(float newWidth, float newHeight);
virtual void WorkspacesChanged(uint32 oldWorkspaces,
uint32 newWorkspaces);
virtual void WorkspaceActivated(int32 workspaceIndex,
bool state);
virtual void Minimize(bool minimize);
virtual void Zoom(BPoint recPosition, float recWidth,
float recHeight);
virtual void ScreenChanged(BRect screenFrame,
color_space depth);
virtual void MenusBeginning();
virtual void MenusEnded();
virtual void WindowActivated(bool state);
virtual void Show();
virtual void Hide();
virtual BHandler* ResolveSpecifier(BMessage* message,
int32 index, BMessage* specifier,
int32 what, const char* property);
virtual status_t GetSupportedSuites(BMessage* data);
virtual status_t Perform(perform_code code, void* arg);
virtual void DirectConnected(direct_buffer_info* info);
status_t GetClippingRegion(BRegion* region,
BPoint* origin = NULL) const;
status_t SetFullScreen(bool enable);
bool IsFullScreen() const;
static bool SupportsWindowMode(
screen_id id = B_MAIN_SCREEN_ID);
private:
BDirectWindow();
BDirectWindow(BDirectWindow& other);
BDirectWindow& operator=(BDirectWindow& other);
typedef BWindow inherited;
virtual void _ReservedDirectWindow1();
virtual void _ReservedDirectWindow2();
virtual void _ReservedDirectWindow3();
virtual void _ReservedDirectWindow4();
virtual void task_looper();
virtual BMessage* ConvertToMessage(void* raw, int32 code);
static int32 _daemon_thread(void* arg);
int32 _DirectDaemon();
bool _LockDirect() const;
void _UnlockDirect() const;
void _InitData();
void _DisposeData();
private:
bool fDaemonKiller;
bool fConnectionEnable;
bool fIsFullScreen;
bool _unused;
bool fInDirectConnect;
int32 fDirectLock;
sem_id fDirectSem;
uint32 fDirectLockCount;
thread_id fDirectLockOwner;
char* fDirectLockStack;
sem_id fDisableSem;
sem_id fDisableSemAck;
uint32 fInitStatus;
uint32 fInfoAreaSize;
uint32 _reserved[2];
area_id fClonedClippingArea;
area_id fSourceClippingArea;
thread_id fDirectDaemonId;
direct_buffer_info* fBufferDesc;
uint32 _more_reserved_[17];
};
#endif
