1 |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X Window System |
4 |
Copyright (C) Matthew Chapman 1999-2001 |
5 |
|
6 |
This program is free software; you can redistribute it and/or modify |
7 |
it under the terms of the GNU General Public License as published by |
8 |
the Free Software Foundation; either version 2 of the License, or |
9 |
(at your option) any later version. |
10 |
|
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This program is distributed in the hope that it will be useful, |
12 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
17 |
along with this program; if not, write to the Free Software |
18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
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|
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#include <X11/Xlib.h> |
22 |
#include <X11/Xutil.h> |
23 |
#include <time.h> |
24 |
#include <errno.h> |
25 |
#define XK_MISCELLANY |
26 |
#include <X11/keysymdef.h> |
27 |
#include "rdesktop.h" |
28 |
#include "scancodes.h" |
29 |
|
30 |
extern int width; |
31 |
extern int height; |
32 |
extern BOOL sendmotion; |
33 |
extern BOOL fullscreen; |
34 |
extern BOOL grab_keyboard; |
35 |
extern char title[]; |
36 |
|
37 |
Display *display; |
38 |
static int x_socket; |
39 |
static Screen *screen; |
40 |
static Window wnd; |
41 |
static GC gc; |
42 |
static Visual *visual; |
43 |
static int depth; |
44 |
static int bpp; |
45 |
static int dpy_width; |
46 |
static int dpy_height; |
47 |
|
48 |
/* endianness */ |
49 |
static BOOL host_be; |
50 |
static BOOL xserver_be; |
51 |
|
52 |
/* software backing store */ |
53 |
static BOOL ownbackstore; |
54 |
static Pixmap backstore; |
55 |
|
56 |
#define FILL_RECTANGLE(x,y,cx,cy)\ |
57 |
{ \ |
58 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); \ |
59 |
if (ownbackstore) \ |
60 |
XFillRectangle(display, backstore, gc, x, y, cx, cy); \ |
61 |
} |
62 |
|
63 |
/* colour maps */ |
64 |
static BOOL owncolmap; |
65 |
static Colormap xcolmap; |
66 |
static uint32 *colmap; |
67 |
|
68 |
/* Compose support */ |
69 |
BOOL enable_compose = False; |
70 |
static XIM IM = NULL; |
71 |
static XIC IC = NULL; |
72 |
|
73 |
/* toggle fullscreen globals */ |
74 |
static unsigned long input_mask; |
75 |
|
76 |
#define TRANSLATE(col) ( owncolmap ? col : translate_colour(colmap[col]) ) |
77 |
#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); |
78 |
#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); |
79 |
|
80 |
static int rop2_map[] = { |
81 |
GXclear, /* 0 */ |
82 |
GXnor, /* DPon */ |
83 |
GXandInverted, /* DPna */ |
84 |
GXcopyInverted, /* Pn */ |
85 |
GXandReverse, /* PDna */ |
86 |
GXinvert, /* Dn */ |
87 |
GXxor, /* DPx */ |
88 |
GXnand, /* DPan */ |
89 |
GXand, /* DPa */ |
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GXequiv, /* DPxn */ |
91 |
GXnoop, /* D */ |
92 |
GXorInverted, /* DPno */ |
93 |
GXcopy, /* P */ |
94 |
GXorReverse, /* PDno */ |
95 |
GXor, /* DPo */ |
96 |
GXset /* 1 */ |
97 |
}; |
98 |
|
99 |
#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, rop2_map[rop2]); } |
100 |
#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, GXcopy); } |
101 |
|
102 |
static void |
103 |
translate8(uint8 * data, uint8 * out, uint8 * end) |
104 |
{ |
105 |
while (out < end) |
106 |
*(out++) = (uint8) colmap[*(data++)]; |
107 |
} |
108 |
|
109 |
static void |
110 |
translate16(uint8 * data, uint16 * out, uint16 * end) |
111 |
{ |
112 |
while (out < end) |
113 |
*(out++) = (uint16) colmap[*(data++)]; |
114 |
} |
115 |
|
116 |
/* little endian - conversion happens when colourmap is built */ |
117 |
static void |
118 |
translate24(uint8 * data, uint8 * out, uint8 * end) |
119 |
{ |
120 |
uint32 value; |
121 |
|
122 |
while (out < end) |
123 |
{ |
124 |
value = colmap[*(data++)]; |
125 |
*(out++) = value; |
126 |
*(out++) = value >> 8; |
127 |
*(out++) = value >> 16; |
128 |
} |
129 |
} |
130 |
|
131 |
static void |
132 |
translate32(uint8 * data, uint32 * out, uint32 * end) |
133 |
{ |
134 |
while (out < end) |
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*(out++) = colmap[*(data++)]; |
136 |
} |
137 |
|
138 |
static uint8 * |
139 |
translate_image(int width, int height, uint8 * data) |
140 |
{ |
141 |
int size = width * height * bpp / 8; |
142 |
uint8 *out = xmalloc(size); |
143 |
uint8 *end = out + size; |
144 |
|
145 |
switch (bpp) |
146 |
{ |
147 |
case 8: |
148 |
translate8(data, out, end); |
149 |
break; |
150 |
|
151 |
case 16: |
152 |
translate16(data, (uint16 *) out, (uint16 *) end); |
153 |
break; |
154 |
|
155 |
case 24: |
156 |
translate24(data, out, end); |
157 |
break; |
158 |
|
159 |
case 32: |
160 |
translate32(data, (uint32 *) out, (uint32 *) end); |
161 |
break; |
162 |
} |
163 |
|
164 |
return out; |
165 |
} |
166 |
|
167 |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
168 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
169 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
170 |
x = (x << 16) | (x >> 16); } |
171 |
|
172 |
static uint32 |
173 |
translate_colour(uint32 colour) |
174 |
{ |
175 |
switch (bpp) |
176 |
{ |
177 |
case 16: |
178 |
if (host_be != xserver_be) |
179 |
BSWAP16(colour); |
180 |
break; |
181 |
|
182 |
case 24: |
183 |
if (xserver_be) |
184 |
BSWAP24(colour); |
185 |
break; |
186 |
|
187 |
case 32: |
188 |
if (host_be != xserver_be) |
189 |
BSWAP32(colour); |
190 |
break; |
191 |
} |
192 |
|
193 |
return colour; |
194 |
} |
195 |
|
196 |
static unsigned long |
197 |
init_inputmethod(void) |
198 |
{ |
199 |
unsigned long filtered_events = 0; |
200 |
|
201 |
IM = XOpenIM(display, NULL, NULL, NULL); |
202 |
if (IM == NULL) |
203 |
{ |
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error("Failed to open input method\n"); |
205 |
} |
206 |
|
207 |
if (IM != NULL) |
208 |
{ |
209 |
/* Must be done after XCreateWindow */ |
210 |
IC = XCreateIC(IM, XNInputStyle, |
211 |
(XIMPreeditNothing | XIMStatusNothing), |
212 |
XNClientWindow, wnd, XNFocusWindow, wnd, NULL); |
213 |
|
214 |
if (IC == NULL) |
215 |
{ |
216 |
error("Failed to create input context\n"); |
217 |
XCloseIM(IM); |
218 |
IM = NULL; |
219 |
} |
220 |
} |
221 |
|
222 |
/* For correct Multi_key/Compose processing, I guess. |
223 |
It seems to work alright anyway, though. */ |
224 |
if (IC != NULL) |
225 |
{ |
226 |
if (XGetICValues(IC, XNFilterEvents, &filtered_events, NULL) != NULL) |
227 |
{ |
228 |
error("Failed to obtain XNFilterEvents value from IC\n"); |
229 |
filtered_events = 0; |
230 |
} |
231 |
} |
232 |
return filtered_events; |
233 |
} |
234 |
|
235 |
static void |
236 |
close_inputmethod(void) |
237 |
{ |
238 |
if (IC != NULL) |
239 |
{ |
240 |
XDestroyIC(IC); |
241 |
if (IM != NULL) |
242 |
{ |
243 |
XCloseIM(IM); |
244 |
IM = NULL; |
245 |
} |
246 |
} |
247 |
} |
248 |
|
249 |
BOOL |
250 |
get_key_state(int keysym) |
251 |
{ |
252 |
int keysymMask = 0, modifierpos, key; |
253 |
Window wDummy1, wDummy2; |
254 |
int iDummy3, iDummy4, iDummy5, iDummy6; |
255 |
unsigned int current_state; |
256 |
int offset; |
257 |
|
258 |
XModifierKeymap *map = XGetModifierMapping(display); |
259 |
KeyCode keycode = XKeysymToKeycode(display, keysym); |
260 |
|
261 |
if (keycode == NoSymbol) |
262 |
return False; |
263 |
|
264 |
for (modifierpos = 0; modifierpos < 8; modifierpos++) |
265 |
{ |
266 |
offset = map->max_keypermod * modifierpos; |
267 |
|
268 |
for (key = 0; key < map->max_keypermod; key++) |
269 |
{ |
270 |
if (map->modifiermap[offset + key] == keycode) |
271 |
keysymMask = 1 << modifierpos; |
272 |
} |
273 |
} |
274 |
|
275 |
XQueryPointer(display, DefaultRootWindow(display), &wDummy1, |
276 |
&wDummy2, &iDummy3, &iDummy4, &iDummy5, &iDummy6, ¤t_state); |
277 |
|
278 |
XFreeModifiermap(map); |
279 |
|
280 |
return (current_state & keysymMask) ? True : False; |
281 |
} |
282 |
|
283 |
|
284 |
BOOL |
285 |
ui_init() |
286 |
{ |
287 |
XPixmapFormatValues *pfm; |
288 |
uint16 test; |
289 |
int i; |
290 |
|
291 |
display = XOpenDisplay(NULL); |
292 |
if (display == NULL) |
293 |
{ |
294 |
error("Failed to open display\n"); |
295 |
return False; |
296 |
} |
297 |
|
298 |
x_socket = ConnectionNumber(display); |
299 |
screen = DefaultScreenOfDisplay(display); |
300 |
visual = DefaultVisualOfScreen(screen); |
301 |
depth = DefaultDepthOfScreen(screen); |
302 |
|
303 |
pfm = XListPixmapFormats(display, &i); |
304 |
if (pfm != NULL) |
305 |
{ |
306 |
/* Use maximum bpp for this depth - this is generally |
307 |
desirable, e.g. 24 bits->32 bits. */ |
308 |
while (i--) |
309 |
{ |
310 |
if ((pfm[i].depth == depth) && (pfm[i].bits_per_pixel > bpp)) |
311 |
{ |
312 |
bpp = pfm[i].bits_per_pixel; |
313 |
} |
314 |
} |
315 |
XFree(pfm); |
316 |
} |
317 |
|
318 |
if (bpp < 8) |
319 |
{ |
320 |
error("Less than 8 bpp not currently supported.\n"); |
321 |
XCloseDisplay(display); |
322 |
return False; |
323 |
} |
324 |
|
325 |
if (depth <= 8) |
326 |
owncolmap = True; |
327 |
else |
328 |
xcolmap = DefaultColormapOfScreen(screen); |
329 |
|
330 |
if (DoesBackingStore(screen) == NotUseful) |
331 |
ownbackstore = True; |
332 |
|
333 |
test = 1; |
334 |
host_be = !(BOOL) (*(uint8 *) (&test)); |
335 |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
336 |
|
337 |
if (fullscreen) |
338 |
{ |
339 |
width = WidthOfScreen(screen); |
340 |
height = HeightOfScreen(screen); |
341 |
} |
342 |
|
343 |
xkeymap_init(); |
344 |
return True; |
345 |
} |
346 |
|
347 |
BOOL |
348 |
ui_create_window() |
349 |
{ |
350 |
XSetWindowAttributes attribs; |
351 |
XClassHint *classhints; |
352 |
XSizeHints *sizehints; |
353 |
XEvent xevent; |
354 |
|
355 |
attribs.background_pixel = BlackPixelOfScreen(screen); |
356 |
attribs.backing_store = ownbackstore ? NotUseful : Always; |
357 |
attribs.override_redirect = fullscreen; |
358 |
wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, width, height, |
359 |
0, CopyFromParent, InputOutput, CopyFromParent, |
360 |
CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); |
361 |
|
362 |
XStoreName(display, wnd, title); |
363 |
|
364 |
classhints = XAllocClassHint(); |
365 |
if (classhints != NULL) |
366 |
{ |
367 |
classhints->res_name = classhints->res_class = "rdesktop"; |
368 |
XSetClassHint(display, wnd, classhints); |
369 |
XFree(classhints); |
370 |
} |
371 |
|
372 |
sizehints = XAllocSizeHints(); |
373 |
if (sizehints) |
374 |
{ |
375 |
sizehints->flags = PMinSize | PMaxSize; |
376 |
sizehints->min_width = sizehints->max_width = width; |
377 |
sizehints->min_height = sizehints->max_height = height; |
378 |
XSetWMNormalHints(display, wnd, sizehints); |
379 |
XFree(sizehints); |
380 |
} |
381 |
|
382 |
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | |
383 |
VisibilityChangeMask | FocusChangeMask; |
384 |
|
385 |
if (grab_keyboard) |
386 |
input_mask |= EnterWindowMask | LeaveWindowMask; |
387 |
if (sendmotion) |
388 |
input_mask |= PointerMotionMask; |
389 |
if (ownbackstore) |
390 |
input_mask |= ExposureMask; |
391 |
if (enable_compose) |
392 |
input_mask |= init_inputmethod(); |
393 |
|
394 |
XSelectInput(display, wnd, input_mask); |
395 |
|
396 |
gc = XCreateGC(display, wnd, 0, NULL); |
397 |
|
398 |
XMapWindow(display, wnd); |
399 |
|
400 |
/* Wait for VisibilityNotify Event */ |
401 |
for (;;) |
402 |
{ |
403 |
XNextEvent(display, &xevent); |
404 |
if (xevent.type == VisibilityNotify) |
405 |
break; |
406 |
} |
407 |
|
408 |
if (ownbackstore) |
409 |
backstore = XCreatePixmap(display, wnd, width, height, depth); |
410 |
|
411 |
/* clear the window so that cached data is not viewed upon start... */ |
412 |
XSetBackground(display, gc, 0); |
413 |
XSetForeground(display, gc, 0); |
414 |
FILL_RECTANGLE(0, 0, width, height); |
415 |
/* make sure the window is focused */ |
416 |
XSetInputFocus(display, wnd, RevertToPointerRoot, CurrentTime); |
417 |
|
418 |
return True; |
419 |
} |
420 |
|
421 |
void |
422 |
ui_destroy_window() |
423 |
{ |
424 |
if (ownbackstore) |
425 |
XFreePixmap(display, backstore); |
426 |
|
427 |
XFreeGC(display, gc); |
428 |
|
429 |
close_inputmethod(); |
430 |
|
431 |
XDestroyWindow(display, wnd); |
432 |
XCloseDisplay(display); |
433 |
display = NULL; |
434 |
} |
435 |
|
436 |
void |
437 |
reset_keys() |
438 |
{ |
439 |
/* reset keys */ |
440 |
uint32 ev_time; |
441 |
ev_time = time(NULL); |
442 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LCTRL); |
443 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LALT); |
444 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_LSHIFT); |
445 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RCTRL); |
446 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RALT); |
447 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, SCANCODE_CHAR_RSHIFT); |
448 |
} |
449 |
|
450 |
void |
451 |
toggle_fullscreen() |
452 |
{ |
453 |
/* save window contents */ |
454 |
Pixmap pixmap; |
455 |
pixmap = XCreatePixmap(display, wnd, width, height, depth); |
456 |
if (ownbackstore) |
457 |
XCopyArea(display, backstore, pixmap, gc, 0, 0, width, height, 0, 0); |
458 |
else |
459 |
XCopyArea(display, wnd, pixmap, gc, 0, 0, width, height, 0, 0); |
460 |
fullscreen = fullscreen ? False : True; |
461 |
close_inputmethod(); |
462 |
if (ownbackstore) |
463 |
XFreePixmap(display, backstore); |
464 |
XFreeGC(display, gc); |
465 |
XDestroyWindow(display, wnd); |
466 |
ui_create_window(); |
467 |
ui_set_cursor(cache_get_cursor(0)); |
468 |
ui_move_pointer(width / 2, height / 2); |
469 |
reset_keys(); |
470 |
/* restore window contents */ |
471 |
if (ownbackstore) |
472 |
XCopyArea(display, pixmap, backstore, gc, 0, 0, width, height, 0, 0); |
473 |
XCopyArea(display, pixmap, wnd, gc, 0, 0, width, height, 0, 0); |
474 |
XFreePixmap(display, pixmap); |
475 |
} |
476 |
|
477 |
/* Process all events in Xlib queue */ |
478 |
static void |
479 |
xwin_process_events() |
480 |
{ |
481 |
XEvent xevent; |
482 |
|
483 |
KeySym keysym; |
484 |
uint16 button, flags; |
485 |
uint32 ev_time; |
486 |
key_translation tr; |
487 |
char *ksname = NULL; |
488 |
char str[256]; |
489 |
Status status; |
490 |
|
491 |
while (XCheckMaskEvent(display, ~0, &xevent)) |
492 |
{ |
493 |
if (enable_compose && (XFilterEvent(&xevent, None) == True)) |
494 |
{ |
495 |
DEBUG_KBD(("Filtering event\n")); |
496 |
continue; |
497 |
} |
498 |
|
499 |
ev_time = time(NULL); |
500 |
flags = 0; |
501 |
|
502 |
switch (xevent.type) |
503 |
{ |
504 |
case KeyPress: |
505 |
if (IC != NULL) |
506 |
/* Multi_key compatible version */ |
507 |
{ |
508 |
XmbLookupString(IC, |
509 |
(XKeyPressedEvent *) & |
510 |
xevent, str, sizeof(str), &keysym, &status); |
511 |
if (!((status == XLookupKeySym) || (status == XLookupBoth))) |
512 |
{ |
513 |
error("XmbLookupString failed with status 0x%x\n", |
514 |
status); |
515 |
break; |
516 |
} |
517 |
} |
518 |
else |
519 |
{ |
520 |
/* Plain old XLookupString */ |
521 |
DEBUG_KBD(("No input context, using XLookupString\n")); |
522 |
XLookupString((XKeyEvent *) & xevent, |
523 |
str, sizeof(str), &keysym, NULL); |
524 |
} |
525 |
|
526 |
ksname = get_ksname(keysym); |
527 |
DEBUG_KBD(("\nKeyPress for (keysym 0x%lx, %s)\n", keysym, ksname)); |
528 |
|
529 |
if (handle_special_keys(keysym, ev_time, True)) |
530 |
break; |
531 |
|
532 |
tr = xkeymap_translate_key(keysym, |
533 |
xevent.xkey.keycode, xevent.xkey.state); |
534 |
|
535 |
if (tr.scancode == 0) |
536 |
break; |
537 |
|
538 |
ensure_remote_modifiers(ev_time, tr); |
539 |
|
540 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
541 |
break; |
542 |
case KeyRelease: |
543 |
XLookupString((XKeyEvent *) & xevent, str, |
544 |
sizeof(str), &keysym, NULL); |
545 |
|
546 |
ksname = get_ksname(keysym); |
547 |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
548 |
ksname)); |
549 |
|
550 |
if (handle_special_keys(keysym, ev_time, False)) |
551 |
break; |
552 |
|
553 |
tr = xkeymap_translate_key(keysym, |
554 |
xevent.xkey.keycode, xevent.xkey.state); |
555 |
|
556 |
if (tr.scancode == 0) |
557 |
break; |
558 |
|
559 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
560 |
break; |
561 |
|
562 |
case ButtonPress: |
563 |
flags = MOUSE_FLAG_DOWN; |
564 |
/* fall through */ |
565 |
|
566 |
case ButtonRelease: |
567 |
button = xkeymap_translate_button(xevent.xbutton.button); |
568 |
if (button == 0) |
569 |
break; |
570 |
|
571 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
572 |
flags | button, xevent.xbutton.x, xevent.xbutton.y); |
573 |
break; |
574 |
|
575 |
case MotionNotify: |
576 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
577 |
MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); |
578 |
break; |
579 |
|
580 |
case FocusIn: |
581 |
/* fall through */ |
582 |
case EnterNotify: |
583 |
if (grab_keyboard) |
584 |
XGrabKeyboard(display, wnd, True, |
585 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
586 |
break; |
587 |
|
588 |
case FocusOut: |
589 |
reset_keys(); |
590 |
/* fall through */ |
591 |
case LeaveNotify: |
592 |
if (grab_keyboard) |
593 |
XUngrabKeyboard(display, CurrentTime); |
594 |
break; |
595 |
|
596 |
case Expose: |
597 |
XCopyArea(display, backstore, wnd, gc, |
598 |
xevent.xexpose.x, xevent.xexpose.y, |
599 |
xevent.xexpose.width, |
600 |
xevent.xexpose.height, |
601 |
xevent.xexpose.x, xevent.xexpose.y); |
602 |
break; |
603 |
|
604 |
case MappingNotify: |
605 |
/* Refresh keyboard mapping if it has changed. This is important for |
606 |
Xvnc, since it allocates keycodes dynamically */ |
607 |
if (xevent.xmapping.request == MappingKeyboard |
608 |
|| xevent.xmapping.request == MappingModifier) |
609 |
XRefreshKeyboardMapping(&xevent.xmapping); |
610 |
break; |
611 |
|
612 |
} |
613 |
} |
614 |
} |
615 |
|
616 |
void |
617 |
ui_select(int rdp_socket) |
618 |
{ |
619 |
int n = (rdp_socket > x_socket) ? rdp_socket + 1 : x_socket + 1; |
620 |
fd_set rfds; |
621 |
|
622 |
FD_ZERO(&rfds); |
623 |
|
624 |
while (True) |
625 |
{ |
626 |
/* Process any events already waiting */ |
627 |
XFlush(display); |
628 |
xwin_process_events(); |
629 |
|
630 |
FD_ZERO(&rfds); |
631 |
FD_SET(rdp_socket, &rfds); |
632 |
FD_SET(x_socket, &rfds); |
633 |
|
634 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
635 |
{ |
636 |
case -1: |
637 |
error("select: %s\n", strerror(errno)); |
638 |
|
639 |
case 0: |
640 |
continue; |
641 |
} |
642 |
|
643 |
if (FD_ISSET(rdp_socket, &rfds)) |
644 |
return; |
645 |
} |
646 |
} |
647 |
|
648 |
void |
649 |
ui_move_pointer(int x, int y) |
650 |
{ |
651 |
XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
652 |
} |
653 |
|
654 |
HBITMAP |
655 |
ui_create_bitmap(int width, int height, uint8 * data) |
656 |
{ |
657 |
XImage *image; |
658 |
Pixmap bitmap; |
659 |
uint8 *tdata; |
660 |
|
661 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
662 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
663 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
664 |
(char *) tdata, width, height, 8, 0); |
665 |
|
666 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
667 |
|
668 |
XFree(image); |
669 |
if (!owncolmap) |
670 |
xfree(tdata); |
671 |
return (HBITMAP) bitmap; |
672 |
} |
673 |
|
674 |
void |
675 |
ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) |
676 |
{ |
677 |
XImage *image; |
678 |
uint8 *tdata; |
679 |
|
680 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
681 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
682 |
(char *) tdata, width, height, 8, 0); |
683 |
|
684 |
if (ownbackstore) |
685 |
{ |
686 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
687 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
688 |
} |
689 |
else |
690 |
{ |
691 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
692 |
} |
693 |
|
694 |
XFree(image); |
695 |
if (!owncolmap) |
696 |
xfree(tdata); |
697 |
} |
698 |
|
699 |
void |
700 |
ui_destroy_bitmap(HBITMAP bmp) |
701 |
{ |
702 |
XFreePixmap(display, (Pixmap) bmp); |
703 |
} |
704 |
|
705 |
HGLYPH |
706 |
ui_create_glyph(int width, int height, uint8 * data) |
707 |
{ |
708 |
XImage *image; |
709 |
Pixmap bitmap; |
710 |
int scanline; |
711 |
GC gc; |
712 |
|
713 |
scanline = (width + 7) / 8; |
714 |
|
715 |
bitmap = XCreatePixmap(display, wnd, width, height, 1); |
716 |
gc = XCreateGC(display, bitmap, 0, NULL); |
717 |
|
718 |
image = XCreateImage(display, visual, 1, ZPixmap, 0, (char *) data, |
719 |
width, height, 8, scanline); |
720 |
image->byte_order = MSBFirst; |
721 |
image->bitmap_bit_order = MSBFirst; |
722 |
XInitImage(image); |
723 |
|
724 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
725 |
|
726 |
XFree(image); |
727 |
XFreeGC(display, gc); |
728 |
return (HGLYPH) bitmap; |
729 |
} |
730 |
|
731 |
void |
732 |
ui_destroy_glyph(HGLYPH glyph) |
733 |
{ |
734 |
XFreePixmap(display, (Pixmap) glyph); |
735 |
} |
736 |
|
737 |
HCURSOR |
738 |
ui_create_cursor(unsigned int x, unsigned int y, int width, int height, |
739 |
uint8 * andmask, uint8 * xormask) |
740 |
{ |
741 |
HGLYPH maskglyph, cursorglyph; |
742 |
XColor bg, fg; |
743 |
Cursor xcursor; |
744 |
uint8 *cursor, *pcursor; |
745 |
uint8 *mask, *pmask; |
746 |
uint8 nextbit; |
747 |
int scanline, offset; |
748 |
int i, j; |
749 |
|
750 |
scanline = (width + 7) / 8; |
751 |
offset = scanline * height; |
752 |
|
753 |
cursor = xmalloc(offset); |
754 |
memset(cursor, 0, offset); |
755 |
|
756 |
mask = xmalloc(offset); |
757 |
memset(mask, 0, offset); |
758 |
|
759 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
760 |
for (i = 0; i < height; i++) |
761 |
{ |
762 |
offset -= scanline; |
763 |
pcursor = &cursor[offset]; |
764 |
pmask = &mask[offset]; |
765 |
|
766 |
for (j = 0; j < scanline; j++) |
767 |
{ |
768 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
769 |
{ |
770 |
if (xormask[0] || xormask[1] || xormask[2]) |
771 |
{ |
772 |
*pcursor |= (~(*andmask) & nextbit); |
773 |
*pmask |= nextbit; |
774 |
} |
775 |
else |
776 |
{ |
777 |
*pcursor |= ((*andmask) & nextbit); |
778 |
*pmask |= (~(*andmask) & nextbit); |
779 |
} |
780 |
|
781 |
xormask += 3; |
782 |
} |
783 |
|
784 |
andmask++; |
785 |
pcursor++; |
786 |
pmask++; |
787 |
} |
788 |
} |
789 |
|
790 |
fg.red = fg.blue = fg.green = 0xffff; |
791 |
bg.red = bg.blue = bg.green = 0x0000; |
792 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
793 |
|
794 |
cursorglyph = ui_create_glyph(width, height, cursor); |
795 |
maskglyph = ui_create_glyph(width, height, mask); |
796 |
|
797 |
xcursor = |
798 |
XCreatePixmapCursor(display, (Pixmap) cursorglyph, |
799 |
(Pixmap) maskglyph, &fg, &bg, x, y); |
800 |
|
801 |
ui_destroy_glyph(maskglyph); |
802 |
ui_destroy_glyph(cursorglyph); |
803 |
xfree(mask); |
804 |
xfree(cursor); |
805 |
return (HCURSOR) xcursor; |
806 |
} |
807 |
|
808 |
void |
809 |
ui_set_cursor(HCURSOR cursor) |
810 |
{ |
811 |
XDefineCursor(display, wnd, (Cursor) cursor); |
812 |
} |
813 |
|
814 |
void |
815 |
ui_destroy_cursor(HCURSOR cursor) |
816 |
{ |
817 |
XFreeCursor(display, (Cursor) cursor); |
818 |
} |
819 |
|
820 |
#define MAKE_XCOLOR(xc,c) \ |
821 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
822 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
823 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
824 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
825 |
|
826 |
HCOLOURMAP |
827 |
ui_create_colourmap(COLOURMAP * colours) |
828 |
{ |
829 |
COLOURENTRY *entry; |
830 |
int i, ncolours = colours->ncolours; |
831 |
|
832 |
if (owncolmap) |
833 |
{ |
834 |
XColor *xcolours, *xentry; |
835 |
Colormap map; |
836 |
|
837 |
xcolours = xmalloc(sizeof(XColor) * ncolours); |
838 |
for (i = 0; i < ncolours; i++) |
839 |
{ |
840 |
entry = &colours->colours[i]; |
841 |
xentry = &xcolours[i]; |
842 |
xentry->pixel = i; |
843 |
MAKE_XCOLOR(xentry, entry); |
844 |
} |
845 |
|
846 |
map = XCreateColormap(display, wnd, visual, AllocAll); |
847 |
XStoreColors(display, map, xcolours, ncolours); |
848 |
|
849 |
xfree(xcolours); |
850 |
return (HCOLOURMAP) map; |
851 |
} |
852 |
else |
853 |
{ |
854 |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
855 |
XColor xentry; |
856 |
uint32 colour; |
857 |
|
858 |
for (i = 0; i < ncolours; i++) |
859 |
{ |
860 |
entry = &colours->colours[i]; |
861 |
MAKE_XCOLOR(&xentry, entry); |
862 |
|
863 |
if (XAllocColor(display, xcolmap, &xentry) != 0) |
864 |
colour = xentry.pixel; |
865 |
else |
866 |
colour = WhitePixelOfScreen(screen); |
867 |
|
868 |
/* byte swap here to make translate_image faster */ |
869 |
map[i] = translate_colour(colour); |
870 |
} |
871 |
|
872 |
return map; |
873 |
} |
874 |
} |
875 |
|
876 |
void |
877 |
ui_destroy_colourmap(HCOLOURMAP map) |
878 |
{ |
879 |
if (owncolmap) |
880 |
XFreeColormap(display, (Colormap) map); |
881 |
else |
882 |
xfree(map); |
883 |
} |
884 |
|
885 |
void |
886 |
ui_set_colourmap(HCOLOURMAP map) |
887 |
{ |
888 |
if (owncolmap) |
889 |
XSetWindowColormap(display, wnd, (Colormap) map); |
890 |
else |
891 |
colmap = map; |
892 |
} |
893 |
|
894 |
void |
895 |
ui_set_clip(int x, int y, int cx, int cy) |
896 |
{ |
897 |
XRectangle rect; |
898 |
|
899 |
rect.x = x; |
900 |
rect.y = y; |
901 |
rect.width = cx; |
902 |
rect.height = cy; |
903 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
904 |
} |
905 |
|
906 |
void |
907 |
ui_reset_clip() |
908 |
{ |
909 |
XRectangle rect; |
910 |
|
911 |
rect.x = 0; |
912 |
rect.y = 0; |
913 |
rect.width = width; |
914 |
rect.height = height; |
915 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
916 |
} |
917 |
|
918 |
void |
919 |
ui_bell() |
920 |
{ |
921 |
XBell(display, 0); |
922 |
} |
923 |
|
924 |
void |
925 |
ui_destblt(uint8 opcode, |
926 |
/* dest */ int x, int y, int cx, int cy) |
927 |
{ |
928 |
SET_FUNCTION(opcode); |
929 |
FILL_RECTANGLE(x, y, cx, cy); |
930 |
RESET_FUNCTION(opcode); |
931 |
} |
932 |
|
933 |
void |
934 |
ui_patblt(uint8 opcode, |
935 |
/* dest */ int x, int y, int cx, int cy, |
936 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
937 |
{ |
938 |
Pixmap fill; |
939 |
uint8 i, ipattern[8]; |
940 |
|
941 |
SET_FUNCTION(opcode); |
942 |
|
943 |
switch (brush->style) |
944 |
{ |
945 |
case 0: /* Solid */ |
946 |
SET_FOREGROUND(fgcolour); |
947 |
FILL_RECTANGLE(x, y, cx, cy); |
948 |
break; |
949 |
|
950 |
case 3: /* Pattern */ |
951 |
for (i = 0; i != 8; i++) |
952 |
ipattern[7 - i] = brush->pattern[i]; |
953 |
fill = (Pixmap) ui_create_glyph(8, 8, ipattern); |
954 |
|
955 |
SET_FOREGROUND(bgcolour); |
956 |
SET_BACKGROUND(fgcolour); |
957 |
XSetFillStyle(display, gc, FillOpaqueStippled); |
958 |
XSetStipple(display, gc, fill); |
959 |
XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin); |
960 |
|
961 |
FILL_RECTANGLE(x, y, cx, cy); |
962 |
|
963 |
XSetFillStyle(display, gc, FillSolid); |
964 |
XSetTSOrigin(display, gc, 0, 0); |
965 |
ui_destroy_glyph((HGLYPH) fill); |
966 |
break; |
967 |
|
968 |
default: |
969 |
unimpl("brush %d\n", brush->style); |
970 |
} |
971 |
|
972 |
RESET_FUNCTION(opcode); |
973 |
} |
974 |
|
975 |
void |
976 |
ui_screenblt(uint8 opcode, |
977 |
/* dest */ int x, int y, int cx, int cy, |
978 |
/* src */ int srcx, int srcy) |
979 |
{ |
980 |
SET_FUNCTION(opcode); |
981 |
XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y); |
982 |
if (ownbackstore) |
983 |
XCopyArea(display, backstore, backstore, gc, srcx, srcy, cx, cy, x, y); |
984 |
RESET_FUNCTION(opcode); |
985 |
} |
986 |
|
987 |
void |
988 |
ui_memblt(uint8 opcode, |
989 |
/* dest */ int x, int y, int cx, int cy, |
990 |
/* src */ HBITMAP src, int srcx, int srcy) |
991 |
{ |
992 |
SET_FUNCTION(opcode); |
993 |
XCopyArea(display, (Pixmap) src, wnd, gc, srcx, srcy, cx, cy, x, y); |
994 |
if (ownbackstore) |
995 |
XCopyArea(display, (Pixmap) src, backstore, gc, srcx, srcy, cx, cy, x, y); |
996 |
RESET_FUNCTION(opcode); |
997 |
} |
998 |
|
999 |
void |
1000 |
ui_triblt(uint8 opcode, |
1001 |
/* dest */ int x, int y, int cx, int cy, |
1002 |
/* src */ HBITMAP src, int srcx, int srcy, |
1003 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
1004 |
{ |
1005 |
/* This is potentially difficult to do in general. Until someone |
1006 |
comes up with a more efficient way of doing it I am using cases. */ |
1007 |
|
1008 |
switch (opcode) |
1009 |
{ |
1010 |
case 0x69: /* PDSxxn */ |
1011 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
1012 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1013 |
break; |
1014 |
|
1015 |
case 0xb8: /* PSDPxax */ |
1016 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1017 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
1018 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1019 |
break; |
1020 |
|
1021 |
case 0xc0: /* PSa */ |
1022 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1023 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); |
1024 |
break; |
1025 |
|
1026 |
default: |
1027 |
unimpl("triblt 0x%x\n", opcode); |
1028 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1029 |
} |
1030 |
} |
1031 |
|
1032 |
void |
1033 |
ui_line(uint8 opcode, |
1034 |
/* dest */ int startx, int starty, int endx, int endy, |
1035 |
/* pen */ PEN * pen) |
1036 |
{ |
1037 |
SET_FUNCTION(opcode); |
1038 |
SET_FOREGROUND(pen->colour); |
1039 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
1040 |
if (ownbackstore) |
1041 |
XDrawLine(display, backstore, gc, startx, starty, endx, endy); |
1042 |
RESET_FUNCTION(opcode); |
1043 |
} |
1044 |
|
1045 |
void |
1046 |
ui_rect( |
1047 |
/* dest */ int x, int y, int cx, int cy, |
1048 |
/* brush */ int colour) |
1049 |
{ |
1050 |
SET_FOREGROUND(colour); |
1051 |
FILL_RECTANGLE(x, y, cx, cy); |
1052 |
} |
1053 |
|
1054 |
void |
1055 |
ui_draw_glyph(int mixmode, |
1056 |
/* dest */ int x, int y, int cx, int cy, |
1057 |
/* src */ HGLYPH glyph, int srcx, int srcy, |
1058 |
int bgcolour, int fgcolour) |
1059 |
{ |
1060 |
SET_FOREGROUND(fgcolour); |
1061 |
SET_BACKGROUND(bgcolour); |
1062 |
|
1063 |
XSetFillStyle(display, gc, |
1064 |
(mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); |
1065 |
XSetStipple(display, gc, (Pixmap) glyph); |
1066 |
XSetTSOrigin(display, gc, x, y); |
1067 |
|
1068 |
FILL_RECTANGLE(x, y, cx, cy); |
1069 |
|
1070 |
XSetFillStyle(display, gc, FillSolid); |
1071 |
} |
1072 |
|
1073 |
#define DO_GLYPH(ttext,idx) \ |
1074 |
{\ |
1075 |
glyph = cache_get_font (font, ttext[idx]);\ |
1076 |
if (!(flags & TEXT2_IMPLICIT_X))\ |
1077 |
{\ |
1078 |
xyoffset = ttext[++idx];\ |
1079 |
if ((xyoffset & 0x80))\ |
1080 |
{\ |
1081 |
if (flags & TEXT2_VERTICAL) \ |
1082 |
y += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1083 |
else\ |
1084 |
x += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1085 |
idx += 2;\ |
1086 |
}\ |
1087 |
else\ |
1088 |
{\ |
1089 |
if (flags & TEXT2_VERTICAL) \ |
1090 |
y += xyoffset;\ |
1091 |
else\ |
1092 |
x += xyoffset;\ |
1093 |
}\ |
1094 |
}\ |
1095 |
if (glyph != NULL)\ |
1096 |
{\ |
1097 |
ui_draw_glyph (mixmode, x + (short) glyph->offset,\ |
1098 |
y + (short) glyph->baseline,\ |
1099 |
glyph->width, glyph->height,\ |
1100 |
glyph->pixmap, 0, 0, bgcolour, fgcolour);\ |
1101 |
if (flags & TEXT2_IMPLICIT_X)\ |
1102 |
x += glyph->width;\ |
1103 |
}\ |
1104 |
} |
1105 |
|
1106 |
void |
1107 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
1108 |
int clipx, int clipy, int clipcx, int clipcy, |
1109 |
int boxx, int boxy, int boxcx, int boxcy, int bgcolour, |
1110 |
int fgcolour, uint8 * text, uint8 length) |
1111 |
{ |
1112 |
FONTGLYPH *glyph; |
1113 |
int i, j, xyoffset; |
1114 |
DATABLOB *entry; |
1115 |
|
1116 |
SET_FOREGROUND(bgcolour); |
1117 |
|
1118 |
if (boxcx > 1) |
1119 |
{ |
1120 |
FILL_RECTANGLE(boxx, boxy, boxcx, boxcy); |
1121 |
} |
1122 |
else if (mixmode == MIX_OPAQUE) |
1123 |
{ |
1124 |
FILL_RECTANGLE(clipx, clipy, clipcx, clipcy); |
1125 |
} |
1126 |
|
1127 |
/* Paint text, character by character */ |
1128 |
for (i = 0; i < length;) |
1129 |
{ |
1130 |
switch (text[i]) |
1131 |
{ |
1132 |
case 0xff: |
1133 |
if (i + 2 < length) |
1134 |
cache_put_text(text[i + 1], text, text[i + 2]); |
1135 |
else |
1136 |
{ |
1137 |
error("this shouldn't be happening\n"); |
1138 |
break; |
1139 |
} |
1140 |
/* this will move pointer from start to first character after FF command */ |
1141 |
length -= i + 3; |
1142 |
text = &(text[i + 3]); |
1143 |
i = 0; |
1144 |
break; |
1145 |
|
1146 |
case 0xfe: |
1147 |
entry = cache_get_text(text[i + 1]); |
1148 |
if (entry != NULL) |
1149 |
{ |
1150 |
if ((((uint8 *) (entry->data))[1] == |
1151 |
0) && (!(flags & TEXT2_IMPLICIT_X))) |
1152 |
{ |
1153 |
if (flags & TEXT2_VERTICAL) |
1154 |
y += text[i + 2]; |
1155 |
else |
1156 |
x += text[i + 2]; |
1157 |
} |
1158 |
if (i + 2 < length) |
1159 |
i += 3; |
1160 |
else |
1161 |
i += 2; |
1162 |
length -= i; |
1163 |
/* this will move pointer from start to first character after FE command */ |
1164 |
text = &(text[i]); |
1165 |
i = 0; |
1166 |
for (j = 0; j < entry->size; j++) |
1167 |
DO_GLYPH(((uint8 *) (entry->data)), j); |
1168 |
} |
1169 |
break; |
1170 |
|
1171 |
default: |
1172 |
DO_GLYPH(text, i); |
1173 |
i++; |
1174 |
break; |
1175 |
} |
1176 |
} |
1177 |
|
1178 |
|
1179 |
} |
1180 |
|
1181 |
void |
1182 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
1183 |
{ |
1184 |
Pixmap pix; |
1185 |
XImage *image; |
1186 |
|
1187 |
if (ownbackstore) |
1188 |
{ |
1189 |
image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, ZPixmap); |
1190 |
} |
1191 |
else |
1192 |
{ |
1193 |
pix = XCreatePixmap(display, wnd, cx, cy, depth); |
1194 |
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0); |
1195 |
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); |
1196 |
XFreePixmap(display, pix); |
1197 |
} |
1198 |
|
1199 |
offset *= bpp / 8; |
1200 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, bpp / 8, (uint8 *) image->data); |
1201 |
|
1202 |
XDestroyImage(image); |
1203 |
} |
1204 |
|
1205 |
void |
1206 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
1207 |
{ |
1208 |
XImage *image; |
1209 |
uint8 *data; |
1210 |
|
1211 |
offset *= bpp / 8; |
1212 |
data = cache_get_desktop(offset, cx, cy, bpp / 8); |
1213 |
if (data == NULL) |
1214 |
return; |
1215 |
|
1216 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
1217 |
(char *) data, cx, cy, BitmapPad(display), cx * bpp / 8); |
1218 |
|
1219 |
if (ownbackstore) |
1220 |
{ |
1221 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
1222 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
1223 |
} |
1224 |
else |
1225 |
{ |
1226 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
1227 |
} |
1228 |
|
1229 |
XFree(image); |
1230 |
} |