1 /* Copyright (c) 2006 Russ Cox */
2 
3 /*
4 
5 tag[1] Rerror error[s]
6 
7 tag[1] Trdmouse
8 tag[1] Rrdmouse x[4] y[4] button[4] msec[4] resized[1]
9 
10 tag[1] Tmoveto x[4] y[4]
11 tag[1] Rmoveto
12 
13 tag[1] Tcursor cursor[]
14 tag[1] Rcursor
15 
16 tag[1] Tbouncemouse x[4] y[4] button[4]
17 tag[1] Rbouncemouse
18 
19 tag[1] Trdkbd
20 tag[1] Rrdkbd rune[2]
21 
22 tag[1] Tlabel label[s]
23 tag[1] Rlabel 
24 
25 tag[1] Tinit winsize[s] label[s] font[s]
26 tag[1] Rinit
27 
28 tag[1] Trdsnarf 
29 tag[1] Rrdsnarf snarf[s]
30 
31 tag[1] Twrsnarf snarf[s]
32 tag[1] Rwrsnarf
33 
34 tag[1] Trddraw count[4]
35 tag[1] Rrddraw count[4] data[count]
36 
37 tag[1] Twrdraw count[4] data[count]
38 tag[1] Rwrdraw count[4]
39 
40 tag[1] Ttop
41 tag[1] Rtop
42 
43 tag[1] Tresize rect[4*4]
44 tag[1] Rresize 
45 */
46 
47 
48 #define PUT(p, x) \
49 	(p)[0] = ((x) >> 24)&0xFF, \
50 	(p)[1] = ((x) >> 16)&0xFF, \
51 	(p)[2] = ((x) >> 8)&0xFF, \
52 	(p)[3] = (x)&0xFF
53 
54 #define GET(p, x) \
55 	((x) = (u32int)(((p)[0] << 24) | ((p)[1] << 16) | ((p)[2] << 8) | ((p)[3])))
56 
57 #define PUT2(p, x) \
58 	(p)[0] = ((x) >> 8)&0xFF, \
59 	(p)[1] = (x)&0xFF
60 
61 #define GET2(p, x) \
62 	((x) = (((p)[0] << 8) | ((p)[1])))
63 
64 enum {
65 	Rerror = 1,
66 	Trdmouse = 2,
67 	Rrdmouse,
68 	Tmoveto = 4,
69 	Rmoveto,
70 	Tcursor = 6,
71 	Rcursor,
72 	Tbouncemouse = 8,
73 	Rbouncemouse,
74 	Trdkbd = 10,
75 	Rrdkbd,
76 	Tlabel = 12,
77 	Rlabel,
78 	Tinit = 14,
79 	Rinit,
80 	Trdsnarf = 16,
81 	Rrdsnarf,
82 	Twrsnarf = 18,
83 	Rwrsnarf,
84 	Trddraw = 20,
85 	Rrddraw,
86 	Twrdraw = 22,
87 	Rwrdraw,
88 	Ttop = 24,
89 	Rtop,
90 	Tresize = 26,
91 	Rresize,
92 	Tmax,
93 };
94 
95 enum {
96 	MAXWMSG = 4*1024*1024
97 };
98 
99 typedef struct Wsysmsg Wsysmsg;
100 struct Wsysmsg
101 {
102 	uchar type;
103 	uchar tag;
104 	Mouse mouse;
105 	int resized;
106 	Cursor cursor;
107 	int arrowcursor;
108 	Rune rune;
109 	char *winsize;
110 	char *label;
111 	char *snarf;
112 	char *error;
113 	uchar *data;
114 	uint count;
115 	Rectangle rect;
116 };
117 
118 uint	convW2M(Wsysmsg*, uchar*, uint);
119 uint	convM2W(uchar*, uint, Wsysmsg*);
120 uint	sizeW2M(Wsysmsg*);
121 int	readwsysmsg(int, uchar*, uint);
122 
123 int	drawfcallfmt(Fmt*);