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		chan;
24 	XColormap	cmap;
25 	XCursor		cursor;
26 	XDisplay	*display;
27 	int		depth;				/* of screen */
28 	XDrawable	drawable;
29 	XColor		map[256];
30 	XColor		map7[128];
31 	uchar		map7to8[128][2];
32 	XGC		gccopy;
33 	XGC		gccopy0;
34 	XGC		gcfill;
35 	u32int		gcfillcolor;
36 	XGC		gcfill0;
37 	u32int		gcfill0color;
38 	XGC		gcreplsrc;
39 	u32int		gcreplsrctile;
40 	XGC		gcreplsrc0;
41 	u32int		gcreplsrc0tile;
42 	XGC		gcsimplesrc;
43 	u32int		gcsimplesrccolor;
44 	u32int		gcsimplesrcpixmap;
45 	XGC		gcsimplesrc0;
46 	u32int		gcsimplesrc0color;
47 	u32int		gcsimplesrc0pixmap;
48 	XGC		gczero;
49 	u32int		gczeropixmap;
50 	XGC		gczero0;
51 	u32int		gczero0pixmap;
52 	XDisplay	*kbdcon;
53 	XDisplay	*mousecon;
54 	Rectangle	newscreenr;
55 	Memimage*	screenimage;
56 	QLock		screenlock;
57 	XDrawable	screenpm;
58 	XDrawable	nextscreenpm;
59 	Rectangle	screenr;
60 	XDisplay	*snarfcon;
61 	int		toplan9[256];
62 	int		tox11[256];
63 	int		usetable;
64 	XVisual		*vis;
65 	Atom		clipboard;
66 	Atom		utf8string;
67 	Atom		targets;
68 	Atom		text;
69 	Atom		compoundtext;
70 	Atom		takefocus;
71 	Atom		losefocus;
72 	Atom		wmprotos;
73 	uint		putsnarf;
74 	uint		assertsnarf;
75 	int		destroyed;
76 };
77 
78 extern Xprivate _x;
79 
80 extern Memimage *_xallocmemimage(Rectangle, u32int, int);
81 extern XImage	*_xallocxdata(Memimage*, Rectangle);
82 extern void	_xdirtyxdata(Memimage*, Rectangle);
83 extern void	_xfillcolor(Memimage*, Rectangle, u32int);
84 extern void	_xfreexdata(Memimage*);
85 extern XImage	*_xgetxdata(Memimage*, Rectangle);
86 extern void	_xputxdata(Memimage*, Rectangle);
87 extern void	_initdisplaymemimage(Display*, Memimage*);
88 
89 struct Mouse;
90 extern int	_xtoplan9mouse(XDisplay*, XEvent*, struct Mouse*);
91 extern int	_xtoplan9kbd(XEvent*);
92 extern void	_xexpose(XEvent*, XDisplay*);
93 extern int	_xselect(XEvent*, XDisplay*);
94 extern int	_xconfigure(XEvent*, XDisplay*);
95 extern int	_xdestroy(XEvent*, XDisplay*);
96 extern void	_flushmemscreen(Rectangle);
97 extern void	_xmoveto(Point);
98 struct Cursor;
99 extern void	_xsetcursor(struct Cursor*);
100 
101 #define MouseMask (\
102 	ButtonPressMask|\
103 	ButtonReleaseMask|\
104 	PointerMotionMask|\
105 	Button1MotionMask|\
106 	Button2MotionMask|\
107 	Button3MotionMask)
108