1 76193d7c 2003-09-30 devnull #include "x11-inc.h"
  2 76193d7c 2003-09-30 devnull 
  3 76193d7c 2003-09-30 devnull #include <u.h>
  4 76193d7c 2003-09-30 devnull #include <libc.h>
  5 76193d7c 2003-09-30 devnull #include <draw.h>
  6 76193d7c 2003-09-30 devnull #include <cursor.h>
  7 76193d7c 2003-09-30 devnull #include <event.h>
  8 76193d7c 2003-09-30 devnull 
  9 76193d7c 2003-09-30 devnull #include <memdraw.h>
 10 76193d7c 2003-09-30 devnull #include "x11-memdraw.h"
 11 76193d7c 2003-09-30 devnull 
 12 76193d7c 2003-09-30 devnull ulong
 13 76193d7c 2003-09-30 devnull event(Event *e)
 14 76193d7c 2003-09-30 devnull {
 15 76193d7c 2003-09-30 devnull 	return eread(~0UL, e);
 16 76193d7c 2003-09-30 devnull }
 17 76193d7c 2003-09-30 devnull 
 18 59d7d92e 2003-10-13 devnull static void
 19 59d7d92e 2003-10-13 devnull eflush(void)
 20 59d7d92e 2003-10-13 devnull {
 21 59d7d92e 2003-10-13 devnull 	/* avoid generating a message if there's nothing to show. */
 22 59d7d92e 2003-10-13 devnull 	/* this test isn't perfect, though; could do flushimage(display, 0) then call extract */
 23 59d7d92e 2003-10-13 devnull 	/* also: make sure we don't interfere if we're multiprocessing the display */
 24 59d7d92e 2003-10-13 devnull 	if(display->locking){
 25 59d7d92e 2003-10-13 devnull 		/* if locking is being done by program, this means it can't depend on automatic flush in emouse() etc. */
 26 59d7d92e 2003-10-13 devnull 		if(canqlock(&display->qlock)){
 27 59d7d92e 2003-10-13 devnull 			if(display->bufp > display->buf)
 28 59d7d92e 2003-10-13 devnull 				flushimage(display, 1);
 29 59d7d92e 2003-10-13 devnull 			unlockdisplay(display);
 30 59d7d92e 2003-10-13 devnull 		}
 31 59d7d92e 2003-10-13 devnull 	}else
 32 59d7d92e 2003-10-13 devnull 		if(display->bufp > display->buf)
 33 59d7d92e 2003-10-13 devnull 			flushimage(display, 1);
 34 59d7d92e 2003-10-13 devnull }
 35 59d7d92e 2003-10-13 devnull 
 36 76193d7c 2003-09-30 devnull ulong
 37 76193d7c 2003-09-30 devnull eread(ulong keys, Event *e)
 38 76193d7c 2003-09-30 devnull {
 39 76193d7c 2003-09-30 devnull 	ulong xmask;
 40 76193d7c 2003-09-30 devnull 	XEvent xevent;
 41 76193d7c 2003-09-30 devnull 
 42 76193d7c 2003-09-30 devnull 	xmask = ExposureMask;
 43 76193d7c 2003-09-30 devnull 
 44 59d7d92e 2003-10-13 devnull 	eflush();
 45 59d7d92e 2003-10-13 devnull 
 46 76193d7c 2003-09-30 devnull 	if(keys&Emouse)
 47 76193d7c 2003-09-30 devnull 		xmask |= MouseMask|StructureNotifyMask;
 48 76193d7c 2003-09-30 devnull 	if(keys&Ekeyboard)
 49 76193d7c 2003-09-30 devnull 		xmask |= KeyPressMask;
 50 76193d7c 2003-09-30 devnull 
 51 76193d7c 2003-09-30 devnull 	XSelectInput(_x.display, _x.drawable, xmask);
 52 76193d7c 2003-09-30 devnull again:
 53 76193d7c 2003-09-30 devnull 	XWindowEvent(_x.display, _x.drawable, xmask, &xevent);
 54 76193d7c 2003-09-30 devnull 
 55 76193d7c 2003-09-30 devnull 	switch(xevent.type){
 56 76193d7c 2003-09-30 devnull 	case Expose:
 57 76193d7c 2003-09-30 devnull 		xexpose(&xevent, _x.display);
 58 76193d7c 2003-09-30 devnull 		goto again;
 59 76193d7c 2003-09-30 devnull 	case ConfigureNotify:
 60 76193d7c 2003-09-30 devnull 		if(xconfigure(&xevent, _x.display))
 61 76193d7c 2003-09-30 devnull 			eresized(1);
 62 76193d7c 2003-09-30 devnull 		goto again;
 63 76193d7c 2003-09-30 devnull 	case ButtonPress:
 64 76193d7c 2003-09-30 devnull 	case ButtonRelease:
 65 76193d7c 2003-09-30 devnull 	case MotionNotify:
 66 76193d7c 2003-09-30 devnull 		if(xtoplan9mouse(&xevent, &e->mouse) < 0)
 67 76193d7c 2003-09-30 devnull 			goto again;
 68 76193d7c 2003-09-30 devnull 		return Emouse;
 69 76193d7c 2003-09-30 devnull 	case KeyPress:
 70 76193d7c 2003-09-30 devnull 		e->kbdc = xtoplan9kbd(&xevent);
 71 76193d7c 2003-09-30 devnull 		if(e->kbdc == -1)
 72 76193d7c 2003-09-30 devnull 			goto again;
 73 76193d7c 2003-09-30 devnull 		return Ekeyboard;
 74 76193d7c 2003-09-30 devnull 	default:
 75 76193d7c 2003-09-30 devnull 		return 0;
 76 76193d7c 2003-09-30 devnull 	}
 77 76193d7c 2003-09-30 devnull }
 78 76193d7c 2003-09-30 devnull 
 79 76193d7c 2003-09-30 devnull void
 80 76193d7c 2003-09-30 devnull einit(ulong keys)
 81 76193d7c 2003-09-30 devnull {
 82 76193d7c 2003-09-30 devnull 	keys &= ~(Emouse|Ekeyboard);
 83 76193d7c 2003-09-30 devnull 	if(keys){
 84 76193d7c 2003-09-30 devnull 		fprint(2, "unknown keys in einit\n");
 85 76193d7c 2003-09-30 devnull 		abort();
 86 76193d7c 2003-09-30 devnull 	}
 87 76193d7c 2003-09-30 devnull }
 88 76193d7c 2003-09-30 devnull 
 89 76193d7c 2003-09-30 devnull int
 90 76193d7c 2003-09-30 devnull ekbd(void)
 91 76193d7c 2003-09-30 devnull {
 92 76193d7c 2003-09-30 devnull 	Event e;
 93 76193d7c 2003-09-30 devnull 
 94 76193d7c 2003-09-30 devnull 	eread(Ekeyboard, &e);
 95 76193d7c 2003-09-30 devnull 	return e.kbdc;
 96 76193d7c 2003-09-30 devnull }
 97 76193d7c 2003-09-30 devnull 
 98 76193d7c 2003-09-30 devnull Mouse
 99 76193d7c 2003-09-30 devnull emouse(void)
100 76193d7c 2003-09-30 devnull {
101 76193d7c 2003-09-30 devnull 	Event e;
102 76193d7c 2003-09-30 devnull 
103 76193d7c 2003-09-30 devnull 	eread(Emouse, &e);
104 76193d7c 2003-09-30 devnull 	return e.mouse;
105 76193d7c 2003-09-30 devnull }
106 76193d7c 2003-09-30 devnull 
107 76193d7c 2003-09-30 devnull int
108 76193d7c 2003-09-30 devnull ecanread(ulong keys)
109 76193d7c 2003-09-30 devnull {
110 76193d7c 2003-09-30 devnull 	int can;
111 76193d7c 2003-09-30 devnull 
112 76193d7c 2003-09-30 devnull 	can = 0;
113 76193d7c 2003-09-30 devnull 	if(keys&Emouse)
114 76193d7c 2003-09-30 devnull 		can |= ecanmouse();
115 76193d7c 2003-09-30 devnull 	if(keys&Ekeyboard)
116 76193d7c 2003-09-30 devnull 		can |= ecankbd();
117 76193d7c 2003-09-30 devnull 	return can;
118 76193d7c 2003-09-30 devnull }
119 76193d7c 2003-09-30 devnull 
120 76193d7c 2003-09-30 devnull int
121 76193d7c 2003-09-30 devnull ecanmouse(void)
122 76193d7c 2003-09-30 devnull {
123 76193d7c 2003-09-30 devnull 	XEvent xe;
124 76193d7c 2003-09-30 devnull 	Mouse m;
125 76193d7c 2003-09-30 devnull 
126 59d7d92e 2003-10-13 devnull 	eflush();
127 76193d7c 2003-09-30 devnull again:
128 76193d7c 2003-09-30 devnull 	if(XCheckWindowEvent(_x.display, _x.drawable, MouseMask, &xe)){
129 76193d7c 2003-09-30 devnull 		if(xtoplan9mouse(&xe, &m) < 0)
130 76193d7c 2003-09-30 devnull 			goto again;
131 76193d7c 2003-09-30 devnull 		XPutBackEvent(_x.display, &xe);
132 76193d7c 2003-09-30 devnull 		return 1;
133 76193d7c 2003-09-30 devnull 	}
134 76193d7c 2003-09-30 devnull 	return 0;
135 76193d7c 2003-09-30 devnull }
136 76193d7c 2003-09-30 devnull 
137 76193d7c 2003-09-30 devnull int
138 76193d7c 2003-09-30 devnull ecankbd(void)
139 76193d7c 2003-09-30 devnull {
140 76193d7c 2003-09-30 devnull 	XEvent xe;
141 76193d7c 2003-09-30 devnull 
142 59d7d92e 2003-10-13 devnull 	eflush();
143 76193d7c 2003-09-30 devnull again:
144 76193d7c 2003-09-30 devnull 	if(XCheckWindowEvent(_x.display, _x.drawable, KeyPressMask, &xe)){
145 76193d7c 2003-09-30 devnull 		if(xtoplan9kbd(&xe) == -1)
146 76193d7c 2003-09-30 devnull 			goto again;
147 76193d7c 2003-09-30 devnull 		XPutBackEvent(_x.display, &xe);
148 76193d7c 2003-09-30 devnull 		return 1;
149 76193d7c 2003-09-30 devnull 	}
150 76193d7c 2003-09-30 devnull 	return 0;
151 76193d7c 2003-09-30 devnull }
152 76193d7c 2003-09-30 devnull 
153 76193d7c 2003-09-30 devnull void
154 76193d7c 2003-09-30 devnull emoveto(Point p)
155 76193d7c 2003-09-30 devnull {
156 76193d7c 2003-09-30 devnull 	xmoveto(p);
157 76193d7c 2003-09-30 devnull }
158 76193d7c 2003-09-30 devnull 
159 59d7d92e 2003-10-13 devnull void
160 59d7d92e 2003-10-13 devnull esetcursor(Cursor *c)
161 59d7d92e 2003-10-13 devnull {
162 59d7d92e 2003-10-13 devnull 	xsetcursor(c);
163 59d7d92e 2003-10-13 devnull }
164 59d7d92e 2003-10-13 devnull