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