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 16a70966 2003-11-23 devnull 	int r;
 40 76193d7c 2003-09-30 devnull 	ulong xmask;
 41 76193d7c 2003-09-30 devnull 	XEvent xevent;
 42 76193d7c 2003-09-30 devnull 
 43 76193d7c 2003-09-30 devnull 	xmask = ExposureMask;
 44 76193d7c 2003-09-30 devnull 
 45 59d7d92e 2003-10-13 devnull 	eflush();
 46 59d7d92e 2003-10-13 devnull 
 47 76193d7c 2003-09-30 devnull 	if(keys&Emouse)
 48 76193d7c 2003-09-30 devnull 		xmask |= MouseMask|StructureNotifyMask;
 49 16a70966 2003-11-23 devnull 	if(keys&Ekeyboard){
 50 76193d7c 2003-09-30 devnull 		xmask |= KeyPressMask;
 51 16a70966 2003-11-23 devnull 		if((r = xtoplan9kbd(nil)) >= 0){
 52 16a70966 2003-11-23 devnull 			e->kbdc = r;
 53 16a70966 2003-11-23 devnull 			return Ekeyboard;
 54 16a70966 2003-11-23 devnull 		}
 55 16a70966 2003-11-23 devnull 	}
 56 76193d7c 2003-09-30 devnull 
 57 76193d7c 2003-09-30 devnull 	XSelectInput(_x.display, _x.drawable, xmask);
 58 76193d7c 2003-09-30 devnull again:
 59 76193d7c 2003-09-30 devnull 	XWindowEvent(_x.display, _x.drawable, xmask, &xevent);
 60 76193d7c 2003-09-30 devnull 
 61 76193d7c 2003-09-30 devnull 	switch(xevent.type){
 62 76193d7c 2003-09-30 devnull 	case Expose:
 63 76193d7c 2003-09-30 devnull 		xexpose(&xevent, _x.display);
 64 76193d7c 2003-09-30 devnull 		goto again;
 65 16a70966 2003-11-23 devnull 	case DestroyNotify:
 66 16a70966 2003-11-23 devnull 		if(xdestroy(&xevent, _x.display))
 67 16a70966 2003-11-23 devnull 			postnote(PNGROUP, getpgrp(), "hangup");
 68 16a70966 2003-11-23 devnull 		goto again;
 69 76193d7c 2003-09-30 devnull 	case ConfigureNotify:
 70 76193d7c 2003-09-30 devnull 		if(xconfigure(&xevent, _x.display))
 71 76193d7c 2003-09-30 devnull 			eresized(1);
 72 76193d7c 2003-09-30 devnull 		goto again;
 73 76193d7c 2003-09-30 devnull 	case ButtonPress:
 74 76193d7c 2003-09-30 devnull 	case ButtonRelease:
 75 76193d7c 2003-09-30 devnull 	case MotionNotify:
 76 16a70966 2003-11-23 devnull 		if(xtoplan9mouse(_x.display, &xevent, &e->mouse) < 0)
 77 76193d7c 2003-09-30 devnull 			goto again;
 78 76193d7c 2003-09-30 devnull 		return Emouse;
 79 76193d7c 2003-09-30 devnull 	case KeyPress:
 80 76193d7c 2003-09-30 devnull 		e->kbdc = xtoplan9kbd(&xevent);
 81 76193d7c 2003-09-30 devnull 		if(e->kbdc == -1)
 82 76193d7c 2003-09-30 devnull 			goto again;
 83 76193d7c 2003-09-30 devnull 		return Ekeyboard;
 84 76193d7c 2003-09-30 devnull 	default:
 85 76193d7c 2003-09-30 devnull 		return 0;
 86 76193d7c 2003-09-30 devnull 	}
 87 76193d7c 2003-09-30 devnull }
 88 76193d7c 2003-09-30 devnull 
 89 76193d7c 2003-09-30 devnull void
 90 76193d7c 2003-09-30 devnull einit(ulong keys)
 91 76193d7c 2003-09-30 devnull {
 92 76193d7c 2003-09-30 devnull 	keys &= ~(Emouse|Ekeyboard);
 93 76193d7c 2003-09-30 devnull 	if(keys){
 94 76193d7c 2003-09-30 devnull 		fprint(2, "unknown keys in einit\n");
 95 76193d7c 2003-09-30 devnull 		abort();
 96 76193d7c 2003-09-30 devnull 	}
 97 76193d7c 2003-09-30 devnull }
 98 76193d7c 2003-09-30 devnull 
 99 76193d7c 2003-09-30 devnull int
100 76193d7c 2003-09-30 devnull ekbd(void)
101 76193d7c 2003-09-30 devnull {
102 76193d7c 2003-09-30 devnull 	Event e;
103 76193d7c 2003-09-30 devnull 
104 76193d7c 2003-09-30 devnull 	eread(Ekeyboard, &e);
105 76193d7c 2003-09-30 devnull 	return e.kbdc;
106 76193d7c 2003-09-30 devnull }
107 76193d7c 2003-09-30 devnull 
108 76193d7c 2003-09-30 devnull Mouse
109 76193d7c 2003-09-30 devnull emouse(void)
110 76193d7c 2003-09-30 devnull {
111 76193d7c 2003-09-30 devnull 	Event e;
112 76193d7c 2003-09-30 devnull 
113 76193d7c 2003-09-30 devnull 	eread(Emouse, &e);
114 76193d7c 2003-09-30 devnull 	return e.mouse;
115 76193d7c 2003-09-30 devnull }
116 76193d7c 2003-09-30 devnull 
117 76193d7c 2003-09-30 devnull int
118 76193d7c 2003-09-30 devnull ecanread(ulong keys)
119 76193d7c 2003-09-30 devnull {
120 76193d7c 2003-09-30 devnull 	int can;
121 76193d7c 2003-09-30 devnull 
122 76193d7c 2003-09-30 devnull 	can = 0;
123 76193d7c 2003-09-30 devnull 	if(keys&Emouse)
124 76193d7c 2003-09-30 devnull 		can |= ecanmouse();
125 76193d7c 2003-09-30 devnull 	if(keys&Ekeyboard)
126 76193d7c 2003-09-30 devnull 		can |= ecankbd();
127 76193d7c 2003-09-30 devnull 	return can;
128 76193d7c 2003-09-30 devnull }
129 76193d7c 2003-09-30 devnull 
130 76193d7c 2003-09-30 devnull int
131 76193d7c 2003-09-30 devnull ecanmouse(void)
132 76193d7c 2003-09-30 devnull {
133 76193d7c 2003-09-30 devnull 	XEvent xe;
134 76193d7c 2003-09-30 devnull 	Mouse m;
135 76193d7c 2003-09-30 devnull 
136 59d7d92e 2003-10-13 devnull 	eflush();
137 76193d7c 2003-09-30 devnull again:
138 76193d7c 2003-09-30 devnull 	if(XCheckWindowEvent(_x.display, _x.drawable, MouseMask, &xe)){
139 16a70966 2003-11-23 devnull 		if(xtoplan9mouse(_x.display, &xe, &m) < 0)
140 76193d7c 2003-09-30 devnull 			goto again;
141 76193d7c 2003-09-30 devnull 		XPutBackEvent(_x.display, &xe);
142 76193d7c 2003-09-30 devnull 		return 1;
143 76193d7c 2003-09-30 devnull 	}
144 76193d7c 2003-09-30 devnull 	return 0;
145 76193d7c 2003-09-30 devnull }
146 76193d7c 2003-09-30 devnull 
147 76193d7c 2003-09-30 devnull int
148 76193d7c 2003-09-30 devnull ecankbd(void)
149 76193d7c 2003-09-30 devnull {
150 76193d7c 2003-09-30 devnull 	XEvent xe;
151 16a70966 2003-11-23 devnull 	int r;
152 76193d7c 2003-09-30 devnull 
153 59d7d92e 2003-10-13 devnull 	eflush();
154 16a70966 2003-11-23 devnull 	if((r = xtoplan9kbd(nil)) >= 0){
155 16a70966 2003-11-23 devnull 		xtoplan9kbd((XEvent*)-1);
156 16a70966 2003-11-23 devnull 		return 1;
157 16a70966 2003-11-23 devnull 	}
158 76193d7c 2003-09-30 devnull again:
159 76193d7c 2003-09-30 devnull 	if(XCheckWindowEvent(_x.display, _x.drawable, KeyPressMask, &xe)){
160 76193d7c 2003-09-30 devnull 		if(xtoplan9kbd(&xe) == -1)
161 76193d7c 2003-09-30 devnull 			goto again;
162 76193d7c 2003-09-30 devnull 		XPutBackEvent(_x.display, &xe);
163 76193d7c 2003-09-30 devnull 		return 1;
164 76193d7c 2003-09-30 devnull 	}
165 76193d7c 2003-09-30 devnull 	return 0;
166 76193d7c 2003-09-30 devnull }
167 76193d7c 2003-09-30 devnull 
168 76193d7c 2003-09-30 devnull void
169 76193d7c 2003-09-30 devnull emoveto(Point p)
170 76193d7c 2003-09-30 devnull {
171 76193d7c 2003-09-30 devnull 	xmoveto(p);
172 76193d7c 2003-09-30 devnull }
173 76193d7c 2003-09-30 devnull 
174 59d7d92e 2003-10-13 devnull void
175 59d7d92e 2003-10-13 devnull esetcursor(Cursor *c)
176 59d7d92e 2003-10-13 devnull {
177 59d7d92e 2003-10-13 devnull 	xsetcursor(c);
178 59d7d92e 2003-10-13 devnull }
179 59d7d92e 2003-10-13 devnull