nano-x.h

eCos操作系统源码

#define GR_EVENT_TYPE_CLIENT_DATA_REQ	18
#define GR_EVENT_TYPE_CLIENT_DATA	19
#define GR_EVENT_TYPE_SELECTION_CHANGED 20
#define GR_EVENT_TYPE_TIMER             21
#define GR_EVENT_TYPE_PORTRAIT_CHANGED  22

/* Event masks */
#define	GR_EVENTMASK(n)			(((GR_EVENT_MASK) 1) << (n))

#define	GR_EVENT_MASK_NONE		GR_EVENTMASK(GR_EVENT_TYPE_NONE)
#define	GR_EVENT_MASK_ERROR		0x80000000L
#define	GR_EVENT_MASK_EXPOSURE		GR_EVENTMASK(GR_EVENT_TYPE_EXPOSURE)
#define	GR_EVENT_MASK_BUTTON_DOWN	GR_EVENTMASK(GR_EVENT_TYPE_BUTTON_DOWN)
#define	GR_EVENT_MASK_BUTTON_UP		GR_EVENTMASK(GR_EVENT_TYPE_BUTTON_UP)
#define	GR_EVENT_MASK_MOUSE_ENTER	GR_EVENTMASK(GR_EVENT_TYPE_MOUSE_ENTER)
#define	GR_EVENT_MASK_MOUSE_EXIT	GR_EVENTMASK(GR_EVENT_TYPE_MOUSE_EXIT)
#define	GR_EVENT_MASK_MOUSE_MOTION	GR_EVENTMASK(GR_EVENT_TYPE_MOUSE_MOTION)
#define	GR_EVENT_MASK_MOUSE_POSITION	GR_EVENTMASK(GR_EVENT_TYPE_MOUSE_POSITION)
#define	GR_EVENT_MASK_KEY_DOWN		GR_EVENTMASK(GR_EVENT_TYPE_KEY_DOWN)
#define	GR_EVENT_MASK_KEY_UP		GR_EVENTMASK(GR_EVENT_TYPE_KEY_UP)
#define	GR_EVENT_MASK_FOCUS_IN		GR_EVENTMASK(GR_EVENT_TYPE_FOCUS_IN)
#define	GR_EVENT_MASK_FOCUS_OUT		GR_EVENTMASK(GR_EVENT_TYPE_FOCUS_OUT)
#define	GR_EVENT_MASK_FDINPUT		GR_EVENTMASK(GR_EVENT_TYPE_FDINPUT)
#define	GR_EVENT_MASK_UPDATE		GR_EVENTMASK(GR_EVENT_TYPE_UPDATE)
#define	GR_EVENT_MASK_CHLD_UPDATE	GR_EVENTMASK(GR_EVENT_TYPE_CHLD_UPDATE)
#define	GR_EVENT_MASK_CLOSE_REQ		GR_EVENTMASK(GR_EVENT_TYPE_CLOSE_REQ)
#define	GR_EVENT_MASK_TIMEOUT		GR_EVENTMASK(GR_EVENT_TYPE_TIMEOUT)
#define GR_EVENT_MASK_SCREENSAVER	GR_EVENTMASK(GR_EVENT_TYPE_SCREENSAVER)
#define GR_EVENT_MASK_CLIENT_DATA_REQ	GR_EVENTMASK(GR_EVENT_TYPE_CLIENT_DATA_REQ)
#define GR_EVENT_MASK_CLIENT_DATA	GR_EVENTMASK(GR_EVENT_TYPE_CLIENT_DATA)
#define GR_EVENT_MASK_SELECTION_CHANGED GR_EVENTMASK(GR_EVENT_TYPE_SELECTION_CHANGED)
#define GR_EVENT_MASK_TIMER             GR_EVENTMASK(GR_EVENT_TYPE_TIMER)
#define GR_EVENT_MASK_PORTRAIT_CHANGED  GR_EVENTMASK(GR_EVENT_TYPE_PORTRAIT_CHANGED)
#define	GR_EVENT_MASK_ALL		((GR_EVENT_MASK) -1L)

/* update event types */
#define GR_UPDATE_MAP		1
#define GR_UPDATE_UNMAP		2
#define GR_UPDATE_MOVE		3
#define GR_UPDATE_SIZE		4
#define GR_UPDATE_UNMAPTEMP	5	/* unmap during window move/resize*/
#define GR_UPDATE_ACTIVATE	6	/* toplevel window [de]activate*/
#define GR_UPDATE_DESTROY	7

/* Event for errors detected by the server.
 * These events are not delivered to GrGetNextEvent, but instead call
 * the user supplied error handling function.  Only the first one of
 * these errors at a time is saved for delivery to the client since
 * there is not much to be done about errors anyway except complain
 * and exit.
 */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_FUNC_NAME name;		/* function name which failed */
  GR_ERROR code;		/* error code */
  GR_ID id;			/* resource id (maybe useless) */
} GR_EVENT_ERROR;

/* Event for a mouse button pressed down or released. */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* window id event delivered to */
  GR_WINDOW_ID subwid;		/* sub-window id (pointer was in) */
  GR_COORD rootx;		/* root window x coordinate */
  GR_COORD rooty;		/* root window y coordinate */
  GR_COORD x;			/* window x coordinate of mouse */
  GR_COORD y;			/* window y coordinate of mouse */
  GR_BUTTON buttons;		/* current state of all buttons */
  GR_BUTTON changebuttons;	/* buttons which went down or up */
  GR_KEYMOD modifiers;		/* modifiers (MWKMOD_SHIFT, etc)*/
  GR_TIMEOUT time;		/* tickcount time value*/
} GR_EVENT_BUTTON;

/* Event for a keystroke typed for the window with has focus. */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* window id event delived to */
  GR_WINDOW_ID subwid;		/* sub-window id (pointer was in) */
  GR_COORD rootx;		/* root window x coordinate */
  GR_COORD rooty;		/* root window y coordinate */
  GR_COORD x;			/* window x coordinate of mouse */
  GR_COORD y;			/* window y coordinate of mouse */
  GR_BUTTON buttons;		/* current state of buttons */
  GR_KEYMOD modifiers;		/* modifiers (MWKMOD_SHIFT, etc)*/
  GR_KEY ch;			/* 16-bit unicode key value, MWKEY_xxx */
  GR_SCANCODE scancode;		/* OEM scancode value if available*/
} GR_EVENT_KEYSTROKE;

/* Event for exposure for a region of a window. */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* window id */
  GR_COORD x;			/* window x coordinate of exposure */
  GR_COORD y;			/* window y coordinate of exposure */
  GR_SIZE width;		/* width of exposure */
  GR_SIZE height;		/* height of exposure */
} GR_EVENT_EXPOSURE;

/* General events for focus in or focus out for a window, or mouse enter
 * or mouse exit from a window, or window unmapping or mapping, etc.
 * Server portrait mode changes are also sent using this event to
 * all windows that request it.
 */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* window id */
  GR_WINDOW_ID otherid;		/* new/old focus id for focus events*/
} GR_EVENT_GENERAL;

/* Events for mouse motion or mouse position. */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* window id event delivered to */
  GR_WINDOW_ID subwid;		/* sub-window id (pointer was in) */
  GR_COORD rootx;		/* root window x coordinate */
  GR_COORD rooty;		/* root window y coordinate */
  GR_COORD x;			/* window x coordinate of mouse */
  GR_COORD y;			/* window y coordinate of mouse */
  GR_BUTTON buttons;		/* current state of buttons */
  GR_KEYMOD modifiers;		/* modifiers (MWKMOD_SHIFT, etc)*/
} GR_EVENT_MOUSE;

/* GrRegisterInput event*/
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  int		fd;		/* input fd*/
} GR_EVENT_FDINPUT;

/* GR_EVENT_TYPE_UPDATE */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* select window id*/
  GR_WINDOW_ID subwid;		/* update window id (=wid for UPDATE event)*/
  GR_COORD x;			/* new window x coordinate */
  GR_COORD y;			/* new window y coordinate */
  GR_SIZE width;		/* new width */
  GR_SIZE height;		/* new height */
  GR_UPDATE_TYPE utype;		/* update_type */
} GR_EVENT_UPDATE;

/* GR_EVENT_TYPE_SCREENSAVER */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_BOOL activate;		/* true = activate, false = deactivate */
} GR_EVENT_SCREENSAVER;

/* GR_EVENT_TYPE_CLIENT_DATA_REQ */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* ID of requested window */
  GR_WINDOW_ID rid;		/* ID of window to send data to */
  GR_SERIALNO serial;		/* Serial number of transaction */
  GR_MIMETYPE mimetype;		/* Type to supply data as */
} GR_EVENT_CLIENT_DATA_REQ;

/* GR_EVENT_TYPE_CLIENT_DATA */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID wid;		/* ID of window data is destined for */
  GR_WINDOW_ID rid;		/* ID of window data is from */
  GR_SERIALNO serial;		/* Serial number of transaction */
  unsigned long len;		/* Total length of data */
  unsigned long datalen;	/* Length of following data */
  void *data;			/* Pointer to data (filled in on client side) */
} GR_EVENT_CLIENT_DATA;

/* GR_EVENT_TYPE_SELECTION_CHANGED */
typedef struct {
  GR_EVENT_TYPE type;		/* event type */
  GR_WINDOW_ID new_owner;	/* ID of new selection owner */
} GR_EVENT_SELECTION_CHANGED;

/* GR_EVENT_TYPE_TIMER */
typedef struct {
  GR_EVENT_TYPE  type;		/* event type, GR_EVENT_TYPE_TIMER */
  GR_WINDOW_ID   wid;		/* ID of window timer is destined for */
  GR_TIMER_ID    tid;		/* ID of expired timer */
} GR_EVENT_TIMER;

/*
 * Union of all possible event structures.
 * This is the structure returned by the GrGetNextEvent and similar routines.
 */
typedef union {
  GR_EVENT_TYPE type;			/* event type */
  GR_EVENT_ERROR error;			/* error event */
  GR_EVENT_GENERAL general;		/* general window events */
  GR_EVENT_BUTTON button;		/* button events */
  GR_EVENT_KEYSTROKE keystroke;		/* keystroke events */
  GR_EVENT_EXPOSURE exposure;		/* exposure events */
  GR_EVENT_MOUSE mouse;			/* mouse motion events */
  GR_EVENT_FDINPUT fdinput;		/* fd input events*/
  GR_EVENT_UPDATE update;		/* window update events */
  GR_EVENT_SCREENSAVER screensaver; 	/* Screen saver events */
  GR_EVENT_CLIENT_DATA_REQ clientdatareq; /* Request for client data events */
  GR_EVENT_CLIENT_DATA clientdata;	/* Client data events */
  GR_EVENT_SELECTION_CHANGED selectionchanged; /* Selection owner changed */
  GR_EVENT_TIMER timer;
} GR_EVENT;

typedef void (*GR_FNCALLBACKEVENT)(GR_EVENT *);

/* Pixel packings within words. */
#define	GR_BITMAPBITS	(sizeof(GR_BITMAP) * 8)
#define	GR_ZEROBITS	((GR_BITMAP) 0x0000)
#define	GR_ONEBITS	((GR_BITMAP) 0xffff)
#define	GR_FIRSTBIT	((GR_BITMAP) 0x8000)
#define	GR_LASTBIT	((GR_BITMAP) 0x0001)
#define	GR_BITVALUE(n)	((GR_BITMAP) (((GR_BITMAP) 1) << (n)))
#define	GR_SHIFTBIT(m)	((GR_BITMAP) ((m) << 1))
#define	GR_NEXTBIT(m)	((GR_BITMAP) ((m) >> 1))
#define	GR_TESTBIT(m)	(((m) & GR_FIRSTBIT) != 0)

/* Size of bitmaps. */
#define	GR_BITMAP_SIZE(width, height)	((height) * \
  (((width) + sizeof(GR_BITMAP) * 8 - 1) / (sizeof(GR_BITMAP) * 8)))

#define	GR_MAX_BITMAP_SIZE \
  GR_BITMAP_SIZE(MWMAX_CURSOR_SIZE, MWMAX_CURSOR_SIZE)

/* GrGetSysColor colors*/
/* desktop background*/
#define GR_COLOR_DESKTOP           0

/* caption colors*/
#define GR_COLOR_ACTIVECAPTION     1
#define GR_COLOR_ACTIVECAPTIONTEXT 2
#define GR_COLOR_INACTIVECAPTION   3
#define GR_COLOR_INACTIVECAPTIONTEXT 4

/* 3d border shades*/
#define GR_COLOR_WINDOWFRAME       5
#define GR_COLOR_BTNSHADOW         6
#define GR_COLOR_3DLIGHT           7
#define GR_COLOR_BTNHIGHLIGHT      8

/* top level application window backgrounds/text*/
#define GR_COLOR_APPWINDOW         9
#define GR_COLOR_APPTEXT           10

/* button control backgrounds/text (usually same as app window colors)*/
#define GR_COLOR_BTNFACE           11
#define GR_COLOR_BTNTEXT           12

/* edit/listbox control backgrounds/text, selected highlights*/
#define GR_COLOR_WINDOW            13
#define GR_COLOR_WINDOWTEXT        14
#define GR_COLOR_HIGHLIGHT         15
#define GR_COLOR_HIGHLIGHTTEXT     16
#define GR_COLOR_GRAYTEXT          17

/* menu backgrounds/text*/
#define GR_COLOR_MENUTEXT          18
#define GR_COLOR_MENU              19

/* Error strings per error number*/
#define GR_ERROR_STRINGS		\
	"",				\
	"Bad window id: %d\n",		\
	"Bad graphics context: %d\n",	\
	"Bad cursor size\n",		\
	"Out of server memory\n",	\
	"Bad window size: %d\n",	\
	"Keyboard error\n",		\
	"Mouse error\n",		\
	"Input only window: %d\n",	\
	"Illegal on root window: %d\n",	\
	"Clipping overflow\n",		\
	"Screen error\n",		\
	"Unmapped focus window: %d\n",	\
	"Bad drawing mode gc: %d\n"

extern char *nxErrorStrings[];

/* Public graphics routines. */
void		GrFlush(void);
int		GrOpen(void);
void		GrClose(void);
void		GrDelay(GR_TIMEOUT msecs);
void		GrGetScreenInfo(GR_SCREEN_INFO *sip);
GR_COLOR	GrGetSysColor(int index);
GR_WINDOW_ID	GrNewWindow(GR_WINDOW_ID parent, GR_COORD x, GR_COORD y,
			GR_SIZE width, GR_SIZE height, GR_SIZE bordersize,
			GR_COLOR background, GR_COLOR bordercolor);
GR_WINDOW_ID    GrNewPixmap(GR_SIZE width, GR_SIZE height, void * addr);
GR_WINDOW_ID	GrNewInputWindow(GR_WINDOW_ID parent, GR_COORD x, GR_COORD y,
				GR_SIZE width, GR_SIZE height);