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