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 	Rectangle	newscreenr;
56 	Memimage*	screenimage;
57 	QLock		screenlock;
58 	XDrawable	screenpm;
59 	XDrawable	nextscreenpm;
60 	Rectangle	screenr;
61 	XDisplay	*snarfcon;
62 	int		toplan9[256];
63 	int		tox11[256];
64 	int		usetable;
65 	XVisual		*vis;
66 	u32int		white;
67 };
68 
69 extern Xprivate _x;
70 
71 extern Memimage *xallocmemimage(Rectangle, u32int, int);
72 extern XImage	*xallocxdata(Memimage*, Rectangle);
73 extern void	xdirtyxdata(Memimage*, Rectangle);
74 extern void	xfillcolor(Memimage*, Rectangle, u32int);
75 extern void	xfreexdata(Memimage*);
76 extern XImage	*xgetxdata(Memimage*, Rectangle);
77 extern void	xputxdata(Memimage*, Rectangle);
78 extern void	_initdisplaymemimage(Display*, Memimage*);
79 
80 struct Mouse;
81 extern int	xtoplan9mouse(XEvent*, struct Mouse*);
82 extern int	xtoplan9kbd(XEvent*);
83 extern void	xexpose(XEvent*, XDisplay*);
84 extern int	xselect(XEvent*, XDisplay*);
85 extern int	xconfigure(XEvent*, XDisplay*);
86 extern void	flushmemscreen(Rectangle);
87 extern void	xmoveto(Point);
88 struct Cursor;
89 extern void	xsetcursor(struct Cursor*);
90 
91 #define MouseMask (\
92 	ButtonPressMask|\
93 	ButtonReleaseMask|\
94 	PointerMotionMask|\
95 	Button1MotionMask|\
96 	Button2MotionMask|\
97 	Button3MotionMask)
98