1 76193d7c 2003-09-30 devnull /* input event and data structure translation */
  2 76193d7c 2003-09-30 devnull 
  3 76193d7c 2003-09-30 devnull #include <u.h>
  4 be22ae2d 2004-03-26 devnull #include "x11-inc.h"
  5 76193d7c 2003-09-30 devnull #include <libc.h>
  6 76193d7c 2003-09-30 devnull #include <draw.h>
  7 76193d7c 2003-09-30 devnull #include <memdraw.h>
  8 76193d7c 2003-09-30 devnull #include <mouse.h>
  9 76193d7c 2003-09-30 devnull #include <cursor.h>
 10 76193d7c 2003-09-30 devnull #include <keyboard.h>
 11 76193d7c 2003-09-30 devnull #include "x11-memdraw.h"
 12 e543c475 2004-04-19 devnull #include "x11-keysym2ucs.h"
 13 76193d7c 2003-09-30 devnull 
 14 8ad51794 2004-03-25 devnull #undef time
 15 8ad51794 2004-03-25 devnull 
 16 8ad51794 2004-03-25 devnull 
 17 e543c475 2004-04-19 devnull static KeySym
 18 32f69c36 2003-12-11 devnull __xtoplan9kbd(XEvent *e)
 19 76193d7c 2003-09-30 devnull {
 20 e543c475 2004-04-19 devnull 	KeySym k;
 21 76193d7c 2003-09-30 devnull 
 22 e543c475 2004-04-19 devnull 	if(e->xany.type != KeyPress)
 23 e543c475 2004-04-19 devnull 		return -1;
 24 e543c475 2004-04-19 devnull 	XLookupString((XKeyEvent*)e,NULL,0,&k,NULL);
 25 76193d7c 2003-09-30 devnull 	if(k == XK_Multi_key || k == NoSymbol)
 26 76193d7c 2003-09-30 devnull 		return -1;
 27 76193d7c 2003-09-30 devnull 
 28 76193d7c 2003-09-30 devnull 	if(k&0xFF00){
 29 76193d7c 2003-09-30 devnull 		switch(k){
 30 76193d7c 2003-09-30 devnull 		case XK_BackSpace:
 31 76193d7c 2003-09-30 devnull 		case XK_Tab:
 32 76193d7c 2003-09-30 devnull 		case XK_Escape:
 33 76193d7c 2003-09-30 devnull 		case XK_Delete:
 34 76193d7c 2003-09-30 devnull 		case XK_KP_0:
 35 76193d7c 2003-09-30 devnull 		case XK_KP_1:
 36 76193d7c 2003-09-30 devnull 		case XK_KP_2:
 37 76193d7c 2003-09-30 devnull 		case XK_KP_3:
 38 76193d7c 2003-09-30 devnull 		case XK_KP_4:
 39 76193d7c 2003-09-30 devnull 		case XK_KP_5:
 40 76193d7c 2003-09-30 devnull 		case XK_KP_6:
 41 76193d7c 2003-09-30 devnull 		case XK_KP_7:
 42 76193d7c 2003-09-30 devnull 		case XK_KP_8:
 43 76193d7c 2003-09-30 devnull 		case XK_KP_9:
 44 76193d7c 2003-09-30 devnull 		case XK_KP_Divide:
 45 76193d7c 2003-09-30 devnull 		case XK_KP_Multiply:
 46 76193d7c 2003-09-30 devnull 		case XK_KP_Subtract:
 47 76193d7c 2003-09-30 devnull 		case XK_KP_Add:
 48 76193d7c 2003-09-30 devnull 		case XK_KP_Decimal:
 49 76193d7c 2003-09-30 devnull 			k &= 0x7F;
 50 76193d7c 2003-09-30 devnull 			break;
 51 76193d7c 2003-09-30 devnull 		case XK_Linefeed:
 52 76193d7c 2003-09-30 devnull 			k = '\r';
 53 76193d7c 2003-09-30 devnull 			break;
 54 76193d7c 2003-09-30 devnull 		case XK_KP_Space:
 55 76193d7c 2003-09-30 devnull 			k = ' ';
 56 76193d7c 2003-09-30 devnull 			break;
 57 76193d7c 2003-09-30 devnull 		case XK_Home:
 58 76193d7c 2003-09-30 devnull 		case XK_KP_Home:
 59 76193d7c 2003-09-30 devnull 			k = Khome;
 60 76193d7c 2003-09-30 devnull 			break;
 61 76193d7c 2003-09-30 devnull 		case XK_Left:
 62 76193d7c 2003-09-30 devnull 		case XK_KP_Left:
 63 76193d7c 2003-09-30 devnull 			k = Kleft;
 64 76193d7c 2003-09-30 devnull 			break;
 65 76193d7c 2003-09-30 devnull 		case XK_Up:
 66 76193d7c 2003-09-30 devnull 		case XK_KP_Up:
 67 76193d7c 2003-09-30 devnull 			k = Kup;
 68 76193d7c 2003-09-30 devnull 			break;
 69 76193d7c 2003-09-30 devnull 		case XK_Down:
 70 76193d7c 2003-09-30 devnull 		case XK_KP_Down:
 71 76193d7c 2003-09-30 devnull 			k = Kdown;
 72 76193d7c 2003-09-30 devnull 			break;
 73 76193d7c 2003-09-30 devnull 		case XK_Right:
 74 76193d7c 2003-09-30 devnull 		case XK_KP_Right:
 75 76193d7c 2003-09-30 devnull 			k = Kright;
 76 76193d7c 2003-09-30 devnull 			break;
 77 76193d7c 2003-09-30 devnull 		case XK_Page_Down:
 78 76193d7c 2003-09-30 devnull 		case XK_KP_Page_Down:
 79 76193d7c 2003-09-30 devnull 			k = Kpgdown;
 80 76193d7c 2003-09-30 devnull 			break;
 81 76193d7c 2003-09-30 devnull 		case XK_End:
 82 76193d7c 2003-09-30 devnull 		case XK_KP_End:
 83 76193d7c 2003-09-30 devnull 			k = Kend;
 84 76193d7c 2003-09-30 devnull 			break;
 85 76193d7c 2003-09-30 devnull 		case XK_Page_Up:	
 86 76193d7c 2003-09-30 devnull 		case XK_KP_Page_Up:
 87 76193d7c 2003-09-30 devnull 			k = Kpgup;
 88 76193d7c 2003-09-30 devnull 			break;
 89 76193d7c 2003-09-30 devnull 		case XK_Insert:
 90 76193d7c 2003-09-30 devnull 		case XK_KP_Insert:
 91 76193d7c 2003-09-30 devnull 			k = Kins;
 92 76193d7c 2003-09-30 devnull 			break;
 93 76193d7c 2003-09-30 devnull 		case XK_KP_Enter:
 94 76193d7c 2003-09-30 devnull 		case XK_Return:
 95 76193d7c 2003-09-30 devnull 			k = '\n';
 96 76193d7c 2003-09-30 devnull 			break;
 97 76193d7c 2003-09-30 devnull 		case XK_Alt_L:
 98 76193d7c 2003-09-30 devnull 		case XK_Alt_R:
 99 76193d7c 2003-09-30 devnull 			k = Kalt;
100 76193d7c 2003-09-30 devnull 			break;
101 76193d7c 2003-09-30 devnull 		default:		/* not ISO-1 or tty control */
102 e543c475 2004-04-19 devnull 			if(k>0xff) {
103 e543c475 2004-04-19 devnull 				k = keysym2ucs(k);
104 e543c475 2004-04-19 devnull 				if(k==-1) return -1;
105 e543c475 2004-04-19 devnull 			}
106 76193d7c 2003-09-30 devnull 		}
107 76193d7c 2003-09-30 devnull 	}
108 76193d7c 2003-09-30 devnull 
109 76193d7c 2003-09-30 devnull 	/* Compensate for servers that call a minus a hyphen */
110 76193d7c 2003-09-30 devnull 	if(k == XK_hyphen)
111 76193d7c 2003-09-30 devnull 		k = XK_minus;
112 76193d7c 2003-09-30 devnull 	/* Do control mapping ourselves if translator doesn't */
113 76193d7c 2003-09-30 devnull 	if(e->xkey.state&ControlMask)
114 76193d7c 2003-09-30 devnull 		k &= 0x9f;
115 76193d7c 2003-09-30 devnull 	if(k == NoSymbol) {
116 76193d7c 2003-09-30 devnull 		return -1;
117 76193d7c 2003-09-30 devnull 	}
118 76193d7c 2003-09-30 devnull 
119 76193d7c 2003-09-30 devnull 	/* BUG: could/should do Alt translation here! */
120 e543c475 2004-04-19 devnull 	return k+0;
121 76193d7c 2003-09-30 devnull }
122 76193d7c 2003-09-30 devnull 
123 16a70966 2003-11-23 devnull static Rune*
124 16a70966 2003-11-23 devnull xtoplan9latin1(XEvent *e)
125 16a70966 2003-11-23 devnull {
126 16a70966 2003-11-23 devnull 	static Rune k[10];
127 16a70966 2003-11-23 devnull 	static int alting, nk;
128 16a70966 2003-11-23 devnull 	int n;
129 16a70966 2003-11-23 devnull 	int r;
130 16a70966 2003-11-23 devnull 
131 32f69c36 2003-12-11 devnull 	r = __xtoplan9kbd(e);
132 16a70966 2003-11-23 devnull 	if(r < 0)
133 16a70966 2003-11-23 devnull 		return nil;
134 16a70966 2003-11-23 devnull 	if(alting){
135 16a70966 2003-11-23 devnull 		k[nk++] = r;
136 16a70966 2003-11-23 devnull 		n = _latin1(k, nk);
137 16a70966 2003-11-23 devnull 		if(n > 0){
138 16a70966 2003-11-23 devnull 			alting = 0;
139 16a70966 2003-11-23 devnull 			k[0] = n;
140 16a70966 2003-11-23 devnull 			k[1] = 0;
141 16a70966 2003-11-23 devnull 			return k;
142 16a70966 2003-11-23 devnull 		}
143 16a70966 2003-11-23 devnull 		if(n == -1){
144 16a70966 2003-11-23 devnull 			alting = 0;
145 16a70966 2003-11-23 devnull 			k[nk] = 0;
146 16a70966 2003-11-23 devnull 			return k;
147 16a70966 2003-11-23 devnull 		}
148 16a70966 2003-11-23 devnull 		/* n < -1, need more input */
149 16a70966 2003-11-23 devnull 		return nil;
150 16a70966 2003-11-23 devnull 	}else if(r == Kalt){
151 16a70966 2003-11-23 devnull 		alting = 1;
152 16a70966 2003-11-23 devnull 		nk = 0;
153 16a70966 2003-11-23 devnull 		return nil;
154 16a70966 2003-11-23 devnull 	}else{
155 16a70966 2003-11-23 devnull 		k[0] = r;
156 16a70966 2003-11-23 devnull 		k[1] = 0;
157 16a70966 2003-11-23 devnull 		return k;
158 16a70966 2003-11-23 devnull 	}
159 16a70966 2003-11-23 devnull }
160 16a70966 2003-11-23 devnull 
161 76193d7c 2003-09-30 devnull int
162 32f69c36 2003-12-11 devnull _xtoplan9kbd(XEvent *e)
163 76193d7c 2003-09-30 devnull {
164 16a70966 2003-11-23 devnull 	static Rune *r;
165 16a70966 2003-11-23 devnull 
166 16a70966 2003-11-23 devnull 	if(e == (XEvent*)-1){
167 16a70966 2003-11-23 devnull 		assert(r);
168 16a70966 2003-11-23 devnull 		r--;
169 16a70966 2003-11-23 devnull 		return 0;
170 16a70966 2003-11-23 devnull 	}
171 16a70966 2003-11-23 devnull 	if(e)
172 16a70966 2003-11-23 devnull 		r = xtoplan9latin1(e);
173 16a70966 2003-11-23 devnull 	if(r && *r)
174 16a70966 2003-11-23 devnull 		return *r++;
175 16a70966 2003-11-23 devnull 	return -1;
176 16a70966 2003-11-23 devnull }
177 16a70966 2003-11-23 devnull 
178 16a70966 2003-11-23 devnull int
179 32f69c36 2003-12-11 devnull _xtoplan9mouse(XDisplay *xd, XEvent *e, Mouse *m)
180 16a70966 2003-11-23 devnull {
181 76193d7c 2003-09-30 devnull 	int s;
182 76193d7c 2003-09-30 devnull 	XButtonEvent *be;
183 76193d7c 2003-09-30 devnull 	XMotionEvent *me;
184 16a70966 2003-11-23 devnull 
185 16a70966 2003-11-23 devnull 	if(_x.putsnarf != _x.assertsnarf){
186 16a70966 2003-11-23 devnull 		_x.assertsnarf = _x.putsnarf;
187 16a70966 2003-11-23 devnull 		XSetSelectionOwner(_x.mousecon, XA_PRIMARY, _x.drawable, CurrentTime);
188 16a70966 2003-11-23 devnull 		if(_x.clipboard != None)
189 16a70966 2003-11-23 devnull 			XSetSelectionOwner(_x.mousecon, _x.clipboard, _x.drawable, CurrentTime);
190 16a70966 2003-11-23 devnull 		XFlush(xd);
191 16a70966 2003-11-23 devnull 	}
192 76193d7c 2003-09-30 devnull 
193 76193d7c 2003-09-30 devnull 	switch(e->type){
194 76193d7c 2003-09-30 devnull 	case ButtonPress:
195 76193d7c 2003-09-30 devnull 		be = (XButtonEvent*)e;
196 f7012583 2003-11-25 devnull 		/* 
197 f7012583 2003-11-25 devnull 		 * Fake message, just sent to make us announce snarf.
198 f7012583 2003-11-25 devnull 		 * Apparently state and button are 16 and 8 bits on
199 f7012583 2003-11-25 devnull 		 * the wire, since they are truncated by the time they
200 f7012583 2003-11-25 devnull 		 * get to us.
201 f7012583 2003-11-25 devnull 		 */
202 f7012583 2003-11-25 devnull 		if(be->send_event
203 f7012583 2003-11-25 devnull 		&& (~be->state&0xFFFF)==0
204 f7012583 2003-11-25 devnull 		&& (~be->button&0xFF)==0)
205 16a70966 2003-11-23 devnull 			return -1;
206 76193d7c 2003-09-30 devnull 		/* BUG? on mac need to inherit these from elsewhere? */
207 76193d7c 2003-09-30 devnull 		m->xy.x = be->x;
208 76193d7c 2003-09-30 devnull 		m->xy.y = be->y;
209 76193d7c 2003-09-30 devnull 		s = be->state;
210 76193d7c 2003-09-30 devnull 		m->msec = be->time;
211 76193d7c 2003-09-30 devnull 		switch(be->button){
212 76193d7c 2003-09-30 devnull 		case 1:
213 76193d7c 2003-09-30 devnull 			s |= Button1Mask;
214 76193d7c 2003-09-30 devnull 			break;
215 76193d7c 2003-09-30 devnull 		case 2:
216 76193d7c 2003-09-30 devnull 			s |= Button2Mask;
217 76193d7c 2003-09-30 devnull 			break;
218 76193d7c 2003-09-30 devnull 		case 3:
219 76193d7c 2003-09-30 devnull 			s |= Button3Mask;
220 76193d7c 2003-09-30 devnull 			break;
221 76193d7c 2003-09-30 devnull 		}
222 76193d7c 2003-09-30 devnull 		break;
223 76193d7c 2003-09-30 devnull 	case ButtonRelease:
224 76193d7c 2003-09-30 devnull 		be = (XButtonEvent*)e;
225 76193d7c 2003-09-30 devnull 		m->xy.x = be->x;
226 76193d7c 2003-09-30 devnull 		m->xy.y = be->y;
227 76193d7c 2003-09-30 devnull 		s = be->state;
228 76193d7c 2003-09-30 devnull 		m->msec = be->time;
229 76193d7c 2003-09-30 devnull 		switch(be->button){
230 76193d7c 2003-09-30 devnull 		case 1:
231 76193d7c 2003-09-30 devnull 			s &= ~Button1Mask;
232 76193d7c 2003-09-30 devnull 			break;
233 76193d7c 2003-09-30 devnull 		case 2:
234 76193d7c 2003-09-30 devnull 			s &= ~Button2Mask;
235 76193d7c 2003-09-30 devnull 			break;
236 76193d7c 2003-09-30 devnull 		case 3:
237 76193d7c 2003-09-30 devnull 			s &= ~Button3Mask;
238 76193d7c 2003-09-30 devnull 			break;
239 76193d7c 2003-09-30 devnull 		}
240 76193d7c 2003-09-30 devnull 		break;
241 76193d7c 2003-09-30 devnull 
242 76193d7c 2003-09-30 devnull 	case MotionNotify:
243 76193d7c 2003-09-30 devnull 		me = (XMotionEvent*)e;
244 76193d7c 2003-09-30 devnull 		s = me->state;
245 76193d7c 2003-09-30 devnull 		m->xy.x = me->x;
246 76193d7c 2003-09-30 devnull 		m->xy.y = me->y;
247 76193d7c 2003-09-30 devnull 		m->msec = me->time;
248 76193d7c 2003-09-30 devnull 		break;
249 76193d7c 2003-09-30 devnull 
250 76193d7c 2003-09-30 devnull 	default:
251 76193d7c 2003-09-30 devnull 		return -1;
252 76193d7c 2003-09-30 devnull 	}
253 76193d7c 2003-09-30 devnull 
254 76193d7c 2003-09-30 devnull 	m->buttons = 0;
255 76193d7c 2003-09-30 devnull 	if(s & Button1Mask)
256 76193d7c 2003-09-30 devnull 		m->buttons |= 1;
257 76193d7c 2003-09-30 devnull 	if(s & Button2Mask)
258 76193d7c 2003-09-30 devnull 		m->buttons |= 2;
259 76193d7c 2003-09-30 devnull 	if(s & Button3Mask)
260 76193d7c 2003-09-30 devnull 		m->buttons |= 4;
261 76193d7c 2003-09-30 devnull 
262 76193d7c 2003-09-30 devnull 	return 0;
263 76193d7c 2003-09-30 devnull }
264 76193d7c 2003-09-30 devnull 
265 76193d7c 2003-09-30 devnull void
266 32f69c36 2003-12-11 devnull _xmoveto(Point p)
267 76193d7c 2003-09-30 devnull {
268 76193d7c 2003-09-30 devnull 	XWarpPointer(_x.display, None, _x.drawable, 0, 0, 0, 0, p.x, p.y);
269 76193d7c 2003-09-30 devnull 	XFlush(_x.display);
270 76193d7c 2003-09-30 devnull }
271 76193d7c 2003-09-30 devnull 
272 76193d7c 2003-09-30 devnull static int
273 76193d7c 2003-09-30 devnull revbyte(int b)
274 76193d7c 2003-09-30 devnull {
275 76193d7c 2003-09-30 devnull 	int r;
276 76193d7c 2003-09-30 devnull 
277 76193d7c 2003-09-30 devnull 	r = 0;
278 76193d7c 2003-09-30 devnull 	r |= (b&0x01) << 7;
279 76193d7c 2003-09-30 devnull 	r |= (b&0x02) << 5;
280 76193d7c 2003-09-30 devnull 	r |= (b&0x04) << 3;
281 76193d7c 2003-09-30 devnull 	r |= (b&0x08) << 1;
282 76193d7c 2003-09-30 devnull 	r |= (b&0x10) >> 1;
283 76193d7c 2003-09-30 devnull 	r |= (b&0x20) >> 3;
284 76193d7c 2003-09-30 devnull 	r |= (b&0x40) >> 5;
285 76193d7c 2003-09-30 devnull 	r |= (b&0x80) >> 7;
286 76193d7c 2003-09-30 devnull 	return r;
287 76193d7c 2003-09-30 devnull }
288 76193d7c 2003-09-30 devnull 
289 76193d7c 2003-09-30 devnull static void
290 76193d7c 2003-09-30 devnull xcursorarrow(void)
291 76193d7c 2003-09-30 devnull {
292 76193d7c 2003-09-30 devnull 	if(_x.cursor != 0){
293 76193d7c 2003-09-30 devnull 		XFreeCursor(_x.display, _x.cursor);
294 76193d7c 2003-09-30 devnull 		_x.cursor = 0;
295 76193d7c 2003-09-30 devnull 	}
296 76193d7c 2003-09-30 devnull 	XUndefineCursor(_x.display, _x.drawable);
297 76193d7c 2003-09-30 devnull 	XFlush(_x.display);
298 76193d7c 2003-09-30 devnull }
299 76193d7c 2003-09-30 devnull 
300 76193d7c 2003-09-30 devnull 
301 76193d7c 2003-09-30 devnull void
302 32f69c36 2003-12-11 devnull _xsetcursor(Cursor *c)
303 76193d7c 2003-09-30 devnull {
304 76193d7c 2003-09-30 devnull 	XColor fg, bg;
305 76193d7c 2003-09-30 devnull 	XCursor xc;
306 76193d7c 2003-09-30 devnull 	Pixmap xsrc, xmask;
307 76193d7c 2003-09-30 devnull 	int i;
308 76193d7c 2003-09-30 devnull 	uchar src[2*16], mask[2*16];
309 76193d7c 2003-09-30 devnull 
310 76193d7c 2003-09-30 devnull 	if(c == nil){
311 76193d7c 2003-09-30 devnull 		xcursorarrow();
312 76193d7c 2003-09-30 devnull 		return;
313 76193d7c 2003-09-30 devnull 	}
314 76193d7c 2003-09-30 devnull 	for(i=0; i<2*16; i++){
315 76193d7c 2003-09-30 devnull 		src[i] = revbyte(c->set[i]);
316 76193d7c 2003-09-30 devnull 		mask[i] = revbyte(c->set[i] | c->clr[i]);
317 76193d7c 2003-09-30 devnull 	}
318 76193d7c 2003-09-30 devnull 
319 76193d7c 2003-09-30 devnull 	fg = _x.map[0];
320 76193d7c 2003-09-30 devnull 	bg = _x.map[255];
321 be22ae2d 2004-03-26 devnull 	xsrc = XCreateBitmapFromData(_x.display, _x.drawable, (char*)src, 16, 16);
322 be22ae2d 2004-03-26 devnull 	xmask = XCreateBitmapFromData(_x.display, _x.drawable, (char*)mask, 16, 16);
323 76193d7c 2003-09-30 devnull 	xc = XCreatePixmapCursor(_x.display, xsrc, xmask, &fg, &bg, -c->offset.x, -c->offset.y);
324 76193d7c 2003-09-30 devnull 	if(xc != 0) {
325 76193d7c 2003-09-30 devnull 		XDefineCursor(_x.display, _x.drawable, xc);
326 76193d7c 2003-09-30 devnull 		if(_x.cursor != 0)
327 76193d7c 2003-09-30 devnull 			XFreeCursor(_x.display, _x.cursor);
328 76193d7c 2003-09-30 devnull 		_x.cursor = xc;
329 76193d7c 2003-09-30 devnull 	}
330 76193d7c 2003-09-30 devnull 	XFreePixmap(_x.display, xsrc);
331 76193d7c 2003-09-30 devnull 	XFreePixmap(_x.display, xmask);
332 76193d7c 2003-09-30 devnull 	XFlush(_x.display);
333 161060a4 2003-10-11 devnull }
334 161060a4 2003-10-11 devnull 
335 161060a4 2003-10-11 devnull struct {
336 161060a4 2003-10-11 devnull 	char buf[SnarfSize];
337 161060a4 2003-10-11 devnull 	QLock lk;
338 161060a4 2003-10-11 devnull } clip;
339 161060a4 2003-10-11 devnull 
340 161060a4 2003-10-11 devnull char*
341 32f69c36 2003-12-11 devnull _xgetsnarf(XDisplay *xd)
342 161060a4 2003-10-11 devnull {
343 161060a4 2003-10-11 devnull 	uchar *data, *xdata;
344 16a70966 2003-11-23 devnull 	Atom clipboard, type, prop;
345 161060a4 2003-10-11 devnull 	ulong len, lastlen, dummy;
346 161060a4 2003-10-11 devnull 	int fmt, i;
347 161060a4 2003-10-11 devnull 	XWindow w;
348 161060a4 2003-10-11 devnull 
349 161060a4 2003-10-11 devnull 	qlock(&clip.lk);
350 16a70966 2003-11-23 devnull 	/*
351 16a70966 2003-11-23 devnull 	 * Is there a primary selection (highlighted text in an xterm)?
352 16a70966 2003-11-23 devnull 	 */
353 16a70966 2003-11-23 devnull 	clipboard = XA_PRIMARY;
354 161060a4 2003-10-11 devnull 	w = XGetSelectionOwner(xd, XA_PRIMARY);
355 161060a4 2003-10-11 devnull 	if(w == _x.drawable){
356 16a70966 2003-11-23 devnull 	mine:
357 161060a4 2003-10-11 devnull 		data = (uchar*)strdup(clip.buf);
358 161060a4 2003-10-11 devnull 		goto out;
359 161060a4 2003-10-11 devnull 	}
360 16a70966 2003-11-23 devnull 
361 16a70966 2003-11-23 devnull 	/*
362 16a70966 2003-11-23 devnull 	 * If not, is there a clipboard selection?
363 16a70966 2003-11-23 devnull 	 */
364 16a70966 2003-11-23 devnull 	if(w == None && _x.clipboard != None){
365 16a70966 2003-11-23 devnull 		clipboard = _x.clipboard;
366 16a70966 2003-11-23 devnull 		w = XGetSelectionOwner(xd, _x.clipboard);
367 16a70966 2003-11-23 devnull 		if(w == _x.drawable)
368 16a70966 2003-11-23 devnull 			goto mine;
369 16a70966 2003-11-23 devnull 	}
370 16a70966 2003-11-23 devnull 
371 16a70966 2003-11-23 devnull 	/*
372 16a70966 2003-11-23 devnull 	 * If not, give up.
373 16a70966 2003-11-23 devnull 	 */
374 161060a4 2003-10-11 devnull 	if(w == None){
375 161060a4 2003-10-11 devnull 		data = nil;
376 161060a4 2003-10-11 devnull 		goto out;
377 161060a4 2003-10-11 devnull 	}
378 16a70966 2003-11-23 devnull 		
379 161060a4 2003-10-11 devnull 	/*
380 161060a4 2003-10-11 devnull 	 * We should be waiting for SelectionNotify here, but it might never
381 16a70966 2003-11-23 devnull 	 * come, and we have no way to time out.  Instead, we will clear
382 16a70966 2003-11-23 devnull 	 * local property #1, request our buddy to fill it in for us, and poll
383 16a70966 2003-11-23 devnull 	 * until he's done or we get tired of waiting.
384 e39b8b19 2003-12-02 devnull 	 *
385 e39b8b19 2003-12-02 devnull 	 * We should try to go for _x.utf8string instead of XA_STRING,
386 e39b8b19 2003-12-02 devnull 	 * but that would add to the polling.
387 161060a4 2003-10-11 devnull 	 */
388 16a70966 2003-11-23 devnull 	prop = 1;
389 16a70966 2003-11-23 devnull 	XChangeProperty(xd, _x.drawable, prop, XA_STRING, 8, PropModeReplace, (uchar*)"", 0);
390 16a70966 2003-11-23 devnull 	XConvertSelection(xd, clipboard, XA_STRING, prop, _x.drawable, CurrentTime);
391 161060a4 2003-10-11 devnull 	XFlush(xd);
392 161060a4 2003-10-11 devnull 	lastlen = 0;
393 16a70966 2003-11-23 devnull 	for(i=0; i<10 || (lastlen!=0 && i<30); i++){
394 161060a4 2003-10-11 devnull 		usleep(100*1000);
395 16a70966 2003-11-23 devnull 		XGetWindowProperty(xd, _x.drawable, prop, 0, 0, 0, AnyPropertyType,
396 161060a4 2003-10-11 devnull 			&type, &fmt, &dummy, &len, &data);
397 161060a4 2003-10-11 devnull 		if(lastlen == len && len > 0)
398 161060a4 2003-10-11 devnull 			break;
399 161060a4 2003-10-11 devnull 		lastlen = len;
400 161060a4 2003-10-11 devnull 	}
401 e39b8b19 2003-12-02 devnull 	if(i == 10){
402 161060a4 2003-10-11 devnull 		data = nil;
403 161060a4 2003-10-11 devnull 		goto out;
404 161060a4 2003-10-11 devnull 	}
405 161060a4 2003-10-11 devnull 	/* get the property */
406 161060a4 2003-10-11 devnull 	data = nil;
407 16a70966 2003-11-23 devnull 	XGetWindowProperty(xd, _x.drawable, prop, 0, SnarfSize/sizeof(ulong), 0, 
408 161060a4 2003-10-11 devnull 		AnyPropertyType, &type, &fmt, &len, &dummy, &xdata);
409 e39b8b19 2003-12-02 devnull 	if((type != XA_STRING && type != _x.utf8string) || len == 0){
410 161060a4 2003-10-11 devnull 		if(xdata)
411 161060a4 2003-10-11 devnull 			XFree(xdata);
412 161060a4 2003-10-11 devnull 		data = nil;
413 161060a4 2003-10-11 devnull 	}else{
414 161060a4 2003-10-11 devnull 		if(xdata){
415 be22ae2d 2004-03-26 devnull 			data = (uchar*)strdup((char*)xdata);
416 161060a4 2003-10-11 devnull 			XFree(xdata);
417 161060a4 2003-10-11 devnull 		}else
418 161060a4 2003-10-11 devnull 			data = nil;
419 161060a4 2003-10-11 devnull 	}
420 161060a4 2003-10-11 devnull out:
421 161060a4 2003-10-11 devnull 	qunlock(&clip.lk);
422 be22ae2d 2004-03-26 devnull 	return (char*)data;
423 76193d7c 2003-09-30 devnull }
424 76193d7c 2003-09-30 devnull 
425 161060a4 2003-10-11 devnull void
426 32f69c36 2003-12-11 devnull _xputsnarf(XDisplay *xd, char *data)
427 161060a4 2003-10-11 devnull {
428 16a70966 2003-11-23 devnull 	XButtonEvent e;
429 16a70966 2003-11-23 devnull 
430 161060a4 2003-10-11 devnull 	if(strlen(data) >= SnarfSize)
431 161060a4 2003-10-11 devnull 		return;
432 161060a4 2003-10-11 devnull 	qlock(&clip.lk);
433 161060a4 2003-10-11 devnull 	strcpy(clip.buf, data);
434 16a70966 2003-11-23 devnull 
435 16a70966 2003-11-23 devnull 	/* leave note for mouse proc to assert selection ownership */
436 16a70966 2003-11-23 devnull 	_x.putsnarf++;
437 16a70966 2003-11-23 devnull 
438 16a70966 2003-11-23 devnull 	/* send mouse a fake event so snarf is announced */
439 16a70966 2003-11-23 devnull 	memset(&e, 0, sizeof e);
440 16a70966 2003-11-23 devnull 	e.type = ButtonPress;
441 16a70966 2003-11-23 devnull 	e.window = _x.drawable;
442 16a70966 2003-11-23 devnull 	e.state = ~0;
443 16a70966 2003-11-23 devnull 	e.button = ~0;
444 16a70966 2003-11-23 devnull 	XSendEvent(xd, _x.drawable, True, ButtonPressMask, (XEvent*)&e);
445 161060a4 2003-10-11 devnull 	XFlush(xd);
446 16a70966 2003-11-23 devnull 
447 161060a4 2003-10-11 devnull 	qunlock(&clip.lk);
448 161060a4 2003-10-11 devnull }
449 161060a4 2003-10-11 devnull 
450 161060a4 2003-10-11 devnull int
451 32f69c36 2003-12-11 devnull _xselect(XEvent *e, XDisplay *xd)
452 161060a4 2003-10-11 devnull {
453 e39b8b19 2003-12-02 devnull 	char *name;
454 161060a4 2003-10-11 devnull 	XEvent r;
455 161060a4 2003-10-11 devnull 	XSelectionRequestEvent *xe;
456 e39b8b19 2003-12-02 devnull 	Atom a[4];
457 161060a4 2003-10-11 devnull 
458 161060a4 2003-10-11 devnull 	memset(&r, 0, sizeof r);
459 161060a4 2003-10-11 devnull 	xe = (XSelectionRequestEvent*)e;
460 4cdbf87a 2004-03-02 devnull if(0) fprint(2, "xselect target=%d requestor=%d property=%d selection=%d\n",
461 e39b8b19 2003-12-02 devnull 	xe->target, xe->requestor, xe->property, xe->selection);
462 e39b8b19 2003-12-02 devnull 	r.xselection.property = xe->property;
463 e39b8b19 2003-12-02 devnull 	if(xe->target == _x.targets){
464 e39b8b19 2003-12-02 devnull 		a[0] = XA_STRING;
465 e39b8b19 2003-12-02 devnull 		a[1] = _x.utf8string;
466 e39b8b19 2003-12-02 devnull 		a[2] = _x.text;
467 e39b8b19 2003-12-02 devnull 		a[3] = _x.compoundtext;
468 e39b8b19 2003-12-02 devnull 
469 e39b8b19 2003-12-02 devnull 		XChangeProperty(xd, xe->requestor, xe->property, xe->target,
470 e39b8b19 2003-12-02 devnull 			8, PropModeReplace, (uchar*)a, sizeof a);
471 e39b8b19 2003-12-02 devnull 	}else if(xe->target == XA_STRING || xe->target == _x.utf8string || xe->target == _x.text || xe->target == _x.compoundtext){
472 e39b8b19 2003-12-02 devnull 		/* if the target is STRING we're supposed to reply with Latin1 XXX */
473 e39b8b19 2003-12-02 devnull 		qlock(&clip.lk);
474 e39b8b19 2003-12-02 devnull 		XChangeProperty(xd, xe->requestor, xe->property, xe->target,
475 e39b8b19 2003-12-02 devnull 			8, PropModeReplace, (uchar*)clip.buf, strlen(clip.buf));
476 e39b8b19 2003-12-02 devnull 		qunlock(&clip.lk);
477 161060a4 2003-10-11 devnull 	}else{
478 e39b8b19 2003-12-02 devnull 		name = XGetAtomName(xd, xe->target);
479 e39b8b19 2003-12-02 devnull 		fprint(2, "%s: cannot handle selection request for '%s' (%d)\n", argv0, name, (int)xe->target);
480 161060a4 2003-10-11 devnull 		r.xselection.property = None;
481 161060a4 2003-10-11 devnull 	}
482 161060a4 2003-10-11 devnull 
483 161060a4 2003-10-11 devnull 	r.xselection.display = xe->display;
484 161060a4 2003-10-11 devnull 	/* r.xselection.property filled above */
485 161060a4 2003-10-11 devnull 	r.xselection.target = xe->target;
486 161060a4 2003-10-11 devnull 	r.xselection.type = SelectionNotify;
487 161060a4 2003-10-11 devnull 	r.xselection.requestor = xe->requestor;
488 161060a4 2003-10-11 devnull 	r.xselection.time = xe->time;
489 161060a4 2003-10-11 devnull 	r.xselection.send_event = True;
490 161060a4 2003-10-11 devnull 	r.xselection.selection = xe->selection;
491 161060a4 2003-10-11 devnull 	XSendEvent(xd, xe->requestor, False, 0, &r);
492 161060a4 2003-10-11 devnull 	XFlush(xd);
493 161060a4 2003-10-11 devnull 	return 0;
494 161060a4 2003-10-11 devnull }
495 161060a4 2003-10-11 devnull 
496 161060a4 2003-10-11 devnull void
497 161060a4 2003-10-11 devnull putsnarf(char *data)
498 161060a4 2003-10-11 devnull {
499 32f69c36 2003-12-11 devnull 	_xputsnarf(_x.snarfcon, data);
500 161060a4 2003-10-11 devnull }
501 161060a4 2003-10-11 devnull 
502 161060a4 2003-10-11 devnull char*
503 161060a4 2003-10-11 devnull getsnarf(void)
504 161060a4 2003-10-11 devnull {
505 32f69c36 2003-12-11 devnull 	return _xgetsnarf(_x.snarfcon);
506 161060a4 2003-10-11 devnull }
507 161060a4 2003-10-11 devnull