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] Tcursor2 cursor[]
17 tag[1] Rcursor2
18 
19 tag[1] Tbouncemouse x[4] y[4] button[4]
20 tag[1] Rbouncemouse
21 
22 tag[1] Trdkbd
23 tag[1] Rrdkbd rune[2]
24 
25 tag[1] Trdkbd4
26 tag[1] Rrdkbd4 rune[4]
27 
28 tag[1] Tlabel label[s]
29 tag[1] Rlabel
30 
31 tag[1] Tctxt wsysid[s]
32 tag[1] Rctxt
33 
34 tag[1] Tinit winsize[s] label[s] font[s]
35 tag[1] Rinit
36 
37 tag[1] Trdsnarf
38 tag[1] Rrdsnarf snarf[s]
39 
40 tag[1] Twrsnarf snarf[s]
41 tag[1] Rwrsnarf
42 
43 tag[1] Trddraw count[4]
44 tag[1] Rrddraw count[4] data[count]
45 
46 tag[1] Twrdraw count[4] data[count]
47 tag[1] Rwrdraw count[4]
48 
49 tag[1] Ttop
50 tag[1] Rtop
51 
52 tag[1] Tresize rect[4*4]
53 tag[1] Rresize
54 */
55 
56 
57 #define PUT(p, x) \
58 	(p)[0] = ((x) >> 24)&0xFF, \
59 	(p)[1] = ((x) >> 16)&0xFF, \
60 	(p)[2] = ((x) >> 8)&0xFF, \
61 	(p)[3] = (x)&0xFF
62 
63 #define GET(p, x) \
64 	((x) = (u32int)(((p)[0] << 24) | ((p)[1] << 16) | ((p)[2] << 8) | ((p)[3])))
65 
66 #define PUT2(p, x) \
67 	(p)[0] = ((x) >> 8)&0xFF, \
68 	(p)[1] = (x)&0xFF
69 
70 #define GET2(p, x) \
71 	((x) = (((p)[0] << 8) | ((p)[1])))
72 
73 enum {
74 	Rerror = 1,
75 	Trdmouse = 2,
76 	Rrdmouse,
77 	Tmoveto = 4,
78 	Rmoveto,
79 	Tcursor = 6,
80 	Rcursor,
81 	Tbouncemouse = 8,
82 	Rbouncemouse,
83 	Trdkbd = 10,
84 	Rrdkbd,
85 	Tlabel = 12,
86 	Rlabel,
87 	Tinit = 14,
88 	Rinit,
89 	Trdsnarf = 16,
90 	Rrdsnarf,
91 	Twrsnarf = 18,
92 	Rwrsnarf,
93 	Trddraw = 20,
94 	Rrddraw,
95 	Twrdraw = 22,
96 	Rwrdraw,
97 	Ttop = 24,
98 	Rtop,
99 	Tresize = 26,
100 	Rresize,
101 	Tcursor2 = 28,
102 	Rcursor2,
103 	Tctxt = 30,
104 	Rctxt,
105 	Trdkbd4 = 32,
106 	Rrdkbd4,
107 	Tmax,
108 };
109 
110 enum {
111 	MAXWMSG = 4*1024*1024
112 };
113 
114 typedef struct Wsysmsg Wsysmsg;
115 struct Wsysmsg
116 {
117 	uchar type;
118 	uchar tag;
119 	Mouse mouse;
120 	int resized;
121 	Cursor cursor;
122 	Cursor2 cursor2;
123 	int arrowcursor;
124 	Rune rune;
125 	char *winsize;
126 	char *label;
127 	char *snarf;
128 	char *error;
129 	char *id;
130 	uchar *data;
131 	uint count;
132 	Rectangle rect;
133 };
134 
135 uint	convW2M(Wsysmsg*, uchar*, uint);
136 uint	convM2W(uchar*, uint, Wsysmsg*);
137 uint	sizeW2M(Wsysmsg*);
138 int	readwsysmsg(int, uchar*, uint);
139 
140 int	drawfcallfmt(Fmt*);