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 	Atom		clipboard;
68 	Atom		utf8string;
69 	Atom		targets;
70 	Atom		text;
71 	Atom		compoundtext;
72 	Atom		takefocus;
73 	Atom		losefocus;
74 	Atom		wmprotos;
75 	uint		putsnarf;
76 	uint		assertsnarf;
77 	int		destroyed;
78 };
79 
80 extern Xprivate _x;
81 
82 extern Memimage *_xallocmemimage(Rectangle, u32int, int);
83 extern XImage	*_xallocxdata(Memimage*, Rectangle);
84 extern void	_xdirtyxdata(Memimage*, Rectangle);
85 extern void	_xfillcolor(Memimage*, Rectangle, u32int);
86 extern void	_xfreexdata(Memimage*);
87 extern XImage	*_xgetxdata(Memimage*, Rectangle);
88 extern void	_xputxdata(Memimage*, Rectangle);
89 extern void	_initdisplaymemimage(Display*, Memimage*);
90 
91 struct Mouse;
92 extern int	_xtoplan9mouse(XDisplay*, XEvent*, struct Mouse*);
93 extern int	_xtoplan9kbd(XEvent*);
94 extern void	_xexpose(XEvent*, XDisplay*);
95 extern int	_xselect(XEvent*, XDisplay*);
96 extern int	_xconfigure(XEvent*, XDisplay*);
97 extern int	_xdestroy(XEvent*, XDisplay*);
98 extern void	_flushmemscreen(Rectangle);
99 extern void	_xmoveto(Point);
100 struct Cursor;
101 extern void	_xsetcursor(struct Cursor*);
102 
103 #define MouseMask (\
104 	ButtonPressMask|\
105 	ButtonReleaseMask|\
106 	PointerMotionMask|\
107 	Button1MotionMask|\
108 	Button2MotionMask|\
109 	Button3MotionMask)
110