1 /*
2  * Structure pointed to by X field of Memimage
3  */
4 
5 typedef struct Xmem Xmem;
6 typedef struct Xprivate Xprivate;
7 
8 enum
9 {
10 	PMundef = ~0
11 };
12 
13 struct Xmem
14 {
15 	int		pixmap;	/* pixmap id */
16 	XImage		*xi;	/* local image */
17 	int		dirty;	/* is the X server ahead of us?  */
18 	Rectangle	dirtyr;	/* which pixels? */
19 	Rectangle	r;	/* size of image */
20 };
21 
22 struct Xprivate {
23 	u32int		black;
24 	u32int		chan;
25 	XColormap	cmap;
26 	XCursor		cursor;
27 	XDisplay	*display;
28 	int		depth;				/* of screen */
29 	XDrawable	drawable;
30 	XColor		map[256];
31 	XColor		map7[128];
32 	uchar		map7to8[128][2];
33 	XGC		gccopy;
34 	XGC		gccopy0;
35 	XGC		gcfill;
36 	u32int		gcfillcolor;
37 	XGC		gcfill0;
38 	u32int		gcfill0color;
39 	XGC		gcreplsrc;
40 	u32int		gcreplsrctile;
41 	XGC		gcreplsrc0;
42 	u32int		gcreplsrc0tile;
43 	XGC		gcsimplesrc;
44 	u32int		gcsimplesrccolor;
45 	u32int		gcsimplesrcpixmap;
46 	XGC		gcsimplesrc0;
47 	u32int		gcsimplesrc0color;
48 	u32int		gcsimplesrc0pixmap;
49 	XGC		gczero;
50 	u32int		gczeropixmap;
51 	XGC		gczero0;
52 	u32int		gczero0pixmap;
53 	XDisplay	*kbdcon;
54 	XDisplay	*mousecon;
55 	Memimage*	screenimage;
56 	XDrawable	screenpm;
57 	Rectangle	screenr;
58 	XDisplay	*snarfcon;
59 	int		toplan9[256];
60 	int		tox11[256];
61 	int		usetable;
62 	XVisual		*vis;
63 	u32int		white;
64 };
65 
66 extern Xprivate _x;
67 
68 extern Memimage *xallocmemimage(Rectangle, u32int, int);
69 extern XImage	*xallocxdata(Memimage*, Rectangle);
70 extern void	xdirtyxdata(Memimage*, Rectangle);
71 extern void	xfillcolor(Memimage*, Rectangle, u32int);
72 extern void	xfreexdata(Memimage*);
73 extern XImage	*xgetxdata(Memimage*, Rectangle);
74 extern void	xputxdata(Memimage*, Rectangle);
75 
76 struct Mouse;
77 extern int	xtoplan9mouse(XEvent*, struct Mouse*);
78 extern int	xtoplan9kbd(XEvent*);
79 extern void	xexpose(XEvent*, XDisplay*);
80 extern int	xconfigure(XEvent*, XDisplay*);
81 extern void	flushmemscreen(Rectangle);
82 extern void	xmoveto(Point);
83 struct Cursor;
84 extern void	xsetcursor(struct Cursor*);
85 
86 #define MouseMask (\
87 	ButtonPressMask|\
88 	ButtonReleaseMask|\
89 	PointerMotionMask|\
90 	Button1MotionMask|\
91 	Button2MotionMask|\
92 	Button3MotionMask)
93