1 #include <u.h>
2 #include <sys/select.h>
3 #include <errno.h>
4 #include "x11-inc.h"
5 #include <libc.h>
6 #include <draw.h>
7 #include <memdraw.h>
8 #include <memlayer.h>
9 #include <keyboard.h>
10 #include <mouse.h>
11 #include <cursor.h>
12 #include <drawfcall.h>
13 #include "x11-memdraw.h"
14 #include "devdraw.h"
15 
16 #undef time
17 
18 #define MouseMask (\
19 	ButtonPressMask|\
20 	ButtonReleaseMask|\
21 	PointerMotionMask|\
22 	Button1MotionMask|\
23 	Button2MotionMask|\
24 	Button3MotionMask)
25 
26 #define Mask MouseMask|ExposureMask|StructureNotifyMask|KeyPressMask|EnterWindowMask|LeaveWindowMask
27 
28 void runxevent(XEvent*);
29 
30 void
31 usage(void)
32 {
33 	fprint(2, "usage: snarf [-a] [-o | text]\n");
34 	exits("usage");
35 }
36 
37 void
38 main(int argc, char **argv)
39 {
40 	int apple;
41 	int out;
42 
43 	apple = 0;
44 	out = 0;
45 
46 	ARGBEGIN{
47 	case 'a':
48 		apple = 1;
49 		break;
50 	case 'o':
51 		out = 1;
52 		break;
53 	default:
54 		usage();
55 	}ARGEND
56 
57 	if(out && argc != 0)
58 		usage();
59 	if(!out && argc != 1)
60 		usage();
61 
62 	_x.fd = -1;
63 
64 	memimageinit();
65 	_xattach("snarf", "20x20");
66 
67 	XSelectInput(_x.display, _x.drawable, Mask);
68 	XFlush(_x.display);
69 
70 	if(out){
71 		char *s;
72 		if(apple)
73 			s = _applegetsnarf();
74 		else
75 			s = _xgetsnarf();
76 		write(1, s, strlen(s));
77 		write(1, "\n", 1);
78 		exits(0);
79 	}else{
80 		_xputsnarf(argv[0]);
81 		for(;;){
82 			XEvent event;
83 			XNextEvent(_x.display, &event);
84 			runxevent(&event);
85 		}
86 	}
87 }
88 
89 /*
90  * Handle an incoming X event.
91  */
92 void
93 runxevent(XEvent *xev)
94 {
95 	switch(xev->type){
96 	case Expose:
97 		_xexpose(xev);
98 		break;
99 	
100 	case DestroyNotify:
101 		if(_xdestroy(xev))
102 			exits(0);
103 		break;
104 
105 	case SelectionRequest:
106 		_xselect(xev);
107 		break;
108 	}
109 }
110