1 76193d7c 2003-09-30 devnull #include <u.h>
  2 be22ae2d 2004-03-26 devnull #include "x11-inc.h"
  3 76193d7c 2003-09-30 devnull #include <libc.h>
  4 76193d7c 2003-09-30 devnull #include <draw.h>
  5 76193d7c 2003-09-30 devnull #include <cursor.h>
  6 76193d7c 2003-09-30 devnull #include <event.h>
  7 76193d7c 2003-09-30 devnull 
  8 76193d7c 2003-09-30 devnull #include <memdraw.h>
  9 76193d7c 2003-09-30 devnull #include "x11-memdraw.h"
 10 76193d7c 2003-09-30 devnull 
 11 76193d7c 2003-09-30 devnull ulong
 12 76193d7c 2003-09-30 devnull event(Event *e)
 13 76193d7c 2003-09-30 devnull {
 14 76193d7c 2003-09-30 devnull 	return eread(~0UL, e);
 15 76193d7c 2003-09-30 devnull }
 16 76193d7c 2003-09-30 devnull 
 17 59d7d92e 2003-10-13 devnull static void
 18 59d7d92e 2003-10-13 devnull eflush(void)
 19 59d7d92e 2003-10-13 devnull {
 20 59d7d92e 2003-10-13 devnull 	/* avoid generating a message if there's nothing to show. */
 21 59d7d92e 2003-10-13 devnull 	/* this test isn't perfect, though; could do flushimage(display, 0) then call extract */
 22 59d7d92e 2003-10-13 devnull 	/* also: make sure we don't interfere if we're multiprocessing the display */
 23 59d7d92e 2003-10-13 devnull 	if(display->locking){
 24 59d7d92e 2003-10-13 devnull 		/* if locking is being done by program, this means it can't depend on automatic flush in emouse() etc. */
 25 59d7d92e 2003-10-13 devnull 		if(canqlock(&display->qlock)){
 26 59d7d92e 2003-10-13 devnull 			if(display->bufp > display->buf)
 27 59d7d92e 2003-10-13 devnull 				flushimage(display, 1);
 28 59d7d92e 2003-10-13 devnull 			unlockdisplay(display);
 29 59d7d92e 2003-10-13 devnull 		}
 30 59d7d92e 2003-10-13 devnull 	}else
 31 59d7d92e 2003-10-13 devnull 		if(display->bufp > display->buf)
 32 59d7d92e 2003-10-13 devnull 			flushimage(display, 1);
 33 59d7d92e 2003-10-13 devnull }
 34 59d7d92e 2003-10-13 devnull 
 35 76193d7c 2003-09-30 devnull ulong
 36 76193d7c 2003-09-30 devnull eread(ulong keys, Event *e)
 37 76193d7c 2003-09-30 devnull {
 38 16a70966 2003-11-23 devnull 	int r;
 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 16a70966 2003-11-23 devnull 	if(keys&Ekeyboard){
 49 76193d7c 2003-09-30 devnull 		xmask |= KeyPressMask;
 50 32f69c36 2003-12-11 devnull 		if((r = _xtoplan9kbd(nil)) >= 0){
 51 16a70966 2003-11-23 devnull 			e->kbdc = r;
 52 16a70966 2003-11-23 devnull 			return Ekeyboard;
 53 16a70966 2003-11-23 devnull 		}
 54 16a70966 2003-11-23 devnull 	}
 55 76193d7c 2003-09-30 devnull 
 56 76193d7c 2003-09-30 devnull 	XSelectInput(_x.display, _x.drawable, xmask);
 57 76193d7c 2003-09-30 devnull again:
 58 76193d7c 2003-09-30 devnull 	XWindowEvent(_x.display, _x.drawable, xmask, &xevent);
 59 76193d7c 2003-09-30 devnull 
 60 76193d7c 2003-09-30 devnull 	switch(xevent.type){
 61 76193d7c 2003-09-30 devnull 	case Expose:
 62 32f69c36 2003-12-11 devnull 		_xexpose(&xevent, _x.display);
 63 76193d7c 2003-09-30 devnull 		goto again;
 64 16a70966 2003-11-23 devnull 	case DestroyNotify:
 65 32f69c36 2003-12-11 devnull 		if(_xdestroy(&xevent, _x.display))
 66 16a70966 2003-11-23 devnull 			postnote(PNGROUP, getpgrp(), "hangup");
 67 16a70966 2003-11-23 devnull 		goto again;
 68 76193d7c 2003-09-30 devnull 	case ConfigureNotify:
 69 32f69c36 2003-12-11 devnull 		if(_xconfigure(&xevent, _x.display))
 70 76193d7c 2003-09-30 devnull 			eresized(1);
 71 76193d7c 2003-09-30 devnull 		goto again;
 72 76193d7c 2003-09-30 devnull 	case ButtonPress:
 73 76193d7c 2003-09-30 devnull 	case ButtonRelease:
 74 76193d7c 2003-09-30 devnull 	case MotionNotify:
 75 32f69c36 2003-12-11 devnull 		if(_xtoplan9mouse(_x.display, &xevent, &e->mouse) < 0)
 76 76193d7c 2003-09-30 devnull 			goto again;
 77 76193d7c 2003-09-30 devnull 		return Emouse;
 78 76193d7c 2003-09-30 devnull 	case KeyPress:
 79 32f69c36 2003-12-11 devnull 		e->kbdc = _xtoplan9kbd(&xevent);
 80 76193d7c 2003-09-30 devnull 		if(e->kbdc == -1)
 81 76193d7c 2003-09-30 devnull 			goto again;
 82 76193d7c 2003-09-30 devnull 		return Ekeyboard;
 83 76193d7c 2003-09-30 devnull 	default:
 84 76193d7c 2003-09-30 devnull 		return 0;
 85 76193d7c 2003-09-30 devnull 	}
 86 76193d7c 2003-09-30 devnull }
 87 76193d7c 2003-09-30 devnull 
 88 76193d7c 2003-09-30 devnull void
 89 76193d7c 2003-09-30 devnull einit(ulong keys)
 90 76193d7c 2003-09-30 devnull {
 91 76193d7c 2003-09-30 devnull 	keys &= ~(Emouse|Ekeyboard);
 92 76193d7c 2003-09-30 devnull 	if(keys){
 93 76193d7c 2003-09-30 devnull 		fprint(2, "unknown keys in einit\n");
 94 76193d7c 2003-09-30 devnull 		abort();
 95 76193d7c 2003-09-30 devnull 	}
 96 76193d7c 2003-09-30 devnull }
 97 76193d7c 2003-09-30 devnull 
 98 76193d7c 2003-09-30 devnull int
 99 76193d7c 2003-09-30 devnull ekbd(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(Ekeyboard, &e);
104 76193d7c 2003-09-30 devnull 	return e.kbdc;
105 76193d7c 2003-09-30 devnull }
106 76193d7c 2003-09-30 devnull 
107 76193d7c 2003-09-30 devnull Mouse
108 76193d7c 2003-09-30 devnull emouse(void)
109 76193d7c 2003-09-30 devnull {
110 76193d7c 2003-09-30 devnull 	Event e;
111 76193d7c 2003-09-30 devnull 
112 76193d7c 2003-09-30 devnull 	eread(Emouse, &e);
113 76193d7c 2003-09-30 devnull 	return e.mouse;
114 76193d7c 2003-09-30 devnull }
115 76193d7c 2003-09-30 devnull 
116 76193d7c 2003-09-30 devnull int
117 76193d7c 2003-09-30 devnull ecanread(ulong keys)
118 76193d7c 2003-09-30 devnull {
119 76193d7c 2003-09-30 devnull 	int can;
120 76193d7c 2003-09-30 devnull 
121 76193d7c 2003-09-30 devnull 	can = 0;
122 76193d7c 2003-09-30 devnull 	if(keys&Emouse)
123 76193d7c 2003-09-30 devnull 		can |= ecanmouse();
124 76193d7c 2003-09-30 devnull 	if(keys&Ekeyboard)
125 76193d7c 2003-09-30 devnull 		can |= ecankbd();
126 76193d7c 2003-09-30 devnull 	return can;
127 76193d7c 2003-09-30 devnull }
128 76193d7c 2003-09-30 devnull 
129 76193d7c 2003-09-30 devnull int
130 76193d7c 2003-09-30 devnull ecanmouse(void)
131 76193d7c 2003-09-30 devnull {
132 76193d7c 2003-09-30 devnull 	XEvent xe;
133 76193d7c 2003-09-30 devnull 	Mouse m;
134 76193d7c 2003-09-30 devnull 
135 59d7d92e 2003-10-13 devnull 	eflush();
136 76193d7c 2003-09-30 devnull again:
137 76193d7c 2003-09-30 devnull 	if(XCheckWindowEvent(_x.display, _x.drawable, MouseMask, &xe)){
138 32f69c36 2003-12-11 devnull 		if(_xtoplan9mouse(_x.display, &xe, &m) < 0)
139 76193d7c 2003-09-30 devnull 			goto again;
140 76193d7c 2003-09-30 devnull 		XPutBackEvent(_x.display, &xe);
141 76193d7c 2003-09-30 devnull 		return 1;
142 76193d7c 2003-09-30 devnull 	}
143 76193d7c 2003-09-30 devnull 	return 0;
144 76193d7c 2003-09-30 devnull }
145 76193d7c 2003-09-30 devnull 
146 76193d7c 2003-09-30 devnull int
147 76193d7c 2003-09-30 devnull ecankbd(void)
148 76193d7c 2003-09-30 devnull {
149 76193d7c 2003-09-30 devnull 	XEvent xe;
150 16a70966 2003-11-23 devnull 	int r;
151 76193d7c 2003-09-30 devnull 
152 59d7d92e 2003-10-13 devnull 	eflush();
153 32f69c36 2003-12-11 devnull 	if((r = _xtoplan9kbd(nil)) >= 0){
154 32f69c36 2003-12-11 devnull 		_xtoplan9kbd((XEvent*)-1);
155 16a70966 2003-11-23 devnull 		return 1;
156 16a70966 2003-11-23 devnull 	}
157 76193d7c 2003-09-30 devnull again:
158 76193d7c 2003-09-30 devnull 	if(XCheckWindowEvent(_x.display, _x.drawable, KeyPressMask, &xe)){
159 32f69c36 2003-12-11 devnull 		if(_xtoplan9kbd(&xe) == -1)
160 76193d7c 2003-09-30 devnull 			goto again;
161 76193d7c 2003-09-30 devnull 		XPutBackEvent(_x.display, &xe);
162 76193d7c 2003-09-30 devnull 		return 1;
163 76193d7c 2003-09-30 devnull 	}
164 76193d7c 2003-09-30 devnull 	return 0;
165 76193d7c 2003-09-30 devnull }
166 76193d7c 2003-09-30 devnull 
167 76193d7c 2003-09-30 devnull void
168 76193d7c 2003-09-30 devnull emoveto(Point p)
169 76193d7c 2003-09-30 devnull {
170 32f69c36 2003-12-11 devnull 	_xmoveto(p);
171 76193d7c 2003-09-30 devnull }
172 76193d7c 2003-09-30 devnull 
173 59d7d92e 2003-10-13 devnull void
174 59d7d92e 2003-10-13 devnull esetcursor(Cursor *c)
175 59d7d92e 2003-10-13 devnull {
176 32f69c36 2003-12-11 devnull 	_xsetcursor(c);
177 59d7d92e 2003-10-13 devnull }
178 59d7d92e 2003-10-13 devnull