1 |
/* |
2 |
rdesktop: A Remote Desktop Protocol client. |
3 |
User interface services - X Window System |
4 |
Copyright (C) Matthew Chapman 1999-2002 |
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, |
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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 |
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along with this program; if not, write to the Free Software |
18 |
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
19 |
*/ |
20 |
|
21 |
#include <X11/Xlib.h> |
22 |
#include <X11/Xutil.h> |
23 |
#include <time.h> |
24 |
#include <errno.h> |
25 |
#include "rdesktop.h" |
26 |
|
27 |
extern int width; |
28 |
extern int height; |
29 |
extern BOOL sendmotion; |
30 |
extern BOOL fullscreen; |
31 |
extern BOOL grab_keyboard; |
32 |
extern BOOL hide_decorations; |
33 |
extern char title[]; |
34 |
BOOL enable_compose = False; |
35 |
BOOL focused; |
36 |
BOOL mouse_in_wnd; |
37 |
|
38 |
Display *display; |
39 |
static int x_socket; |
40 |
static Screen *screen; |
41 |
static Window wnd; |
42 |
static GC gc; |
43 |
static Visual *visual; |
44 |
static int depth; |
45 |
static int bpp; |
46 |
static XIM IM; |
47 |
static XIC IC; |
48 |
static XModifierKeymap *mod_map; |
49 |
static Cursor current_cursor; |
50 |
|
51 |
/* endianness */ |
52 |
static BOOL host_be; |
53 |
static BOOL xserver_be; |
54 |
|
55 |
/* software backing store */ |
56 |
static BOOL ownbackstore; |
57 |
static Pixmap backstore; |
58 |
|
59 |
/* MWM decorations */ |
60 |
#define MWM_HINTS_DECORATIONS (1L << 1) |
61 |
#define PROP_MOTIF_WM_HINTS_ELEMENTS 5 |
62 |
typedef struct |
63 |
{ |
64 |
unsigned long flags; |
65 |
unsigned long functions; |
66 |
unsigned long decorations; |
67 |
long inputMode; |
68 |
unsigned long status; |
69 |
} |
70 |
PropMotifWmHints; |
71 |
|
72 |
|
73 |
#define FILL_RECTANGLE(x,y,cx,cy)\ |
74 |
{ \ |
75 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); \ |
76 |
if (ownbackstore) \ |
77 |
XFillRectangle(display, backstore, gc, x, y, cx, cy); \ |
78 |
} |
79 |
|
80 |
/* colour maps */ |
81 |
static Colormap xcolmap; |
82 |
static uint32 *colmap; |
83 |
|
84 |
#define SET_FOREGROUND(col) XSetForeground(display, gc, translate_colour(colmap[col])); |
85 |
#define SET_BACKGROUND(col) XSetBackground(display, gc, translate_colour(colmap[col])); |
86 |
|
87 |
static int rop2_map[] = { |
88 |
GXclear, /* 0 */ |
89 |
GXnor, /* DPon */ |
90 |
GXandInverted, /* DPna */ |
91 |
GXcopyInverted, /* Pn */ |
92 |
GXandReverse, /* PDna */ |
93 |
GXinvert, /* Dn */ |
94 |
GXxor, /* DPx */ |
95 |
GXnand, /* DPan */ |
96 |
GXand, /* DPa */ |
97 |
GXequiv, /* DPxn */ |
98 |
GXnoop, /* D */ |
99 |
GXorInverted, /* DPno */ |
100 |
GXcopy, /* P */ |
101 |
GXorReverse, /* PDno */ |
102 |
GXor, /* DPo */ |
103 |
GXset /* 1 */ |
104 |
}; |
105 |
|
106 |
#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, rop2_map[rop2]); } |
107 |
#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, GXcopy); } |
108 |
|
109 |
void |
110 |
mwm_hide_decorations(void) |
111 |
{ |
112 |
PropMotifWmHints motif_hints; |
113 |
Atom hintsatom; |
114 |
|
115 |
/* setup the property */ |
116 |
motif_hints.flags = MWM_HINTS_DECORATIONS; |
117 |
motif_hints.decorations = 0; |
118 |
|
119 |
/* get the atom for the property */ |
120 |
hintsatom = XInternAtom(display, "_MOTIF_WM_HINTS", False); |
121 |
if (!hintsatom) |
122 |
{ |
123 |
error("Failed to get atom _MOTIF_WM_HINTS\n"); |
124 |
return; |
125 |
} |
126 |
|
127 |
XChangeProperty(display, wnd, hintsatom, hintsatom, 32, PropModeReplace, |
128 |
(unsigned char *) &motif_hints, PROP_MOTIF_WM_HINTS_ELEMENTS); |
129 |
} |
130 |
|
131 |
static void |
132 |
translate8(uint8 * data, uint8 * out, uint8 * end) |
133 |
{ |
134 |
while (out < end) |
135 |
*(out++) = (uint8) colmap[*(data++)]; |
136 |
} |
137 |
|
138 |
static void |
139 |
translate16(uint8 * data, uint16 * out, uint16 * end) |
140 |
{ |
141 |
while (out < end) |
142 |
*(out++) = (uint16) colmap[*(data++)]; |
143 |
} |
144 |
|
145 |
/* little endian - conversion happens when colourmap is built */ |
146 |
static void |
147 |
translate24(uint8 * data, uint8 * out, uint8 * end) |
148 |
{ |
149 |
uint32 value; |
150 |
|
151 |
while (out < end) |
152 |
{ |
153 |
value = colmap[*(data++)]; |
154 |
*(out++) = value; |
155 |
*(out++) = value >> 8; |
156 |
*(out++) = value >> 16; |
157 |
} |
158 |
} |
159 |
|
160 |
static void |
161 |
translate32(uint8 * data, uint32 * out, uint32 * end) |
162 |
{ |
163 |
while (out < end) |
164 |
*(out++) = colmap[*(data++)]; |
165 |
} |
166 |
|
167 |
static uint8 * |
168 |
translate_image(int width, int height, uint8 * data) |
169 |
{ |
170 |
int size = width * height * bpp / 8; |
171 |
uint8 *out = xmalloc(size); |
172 |
uint8 *end = out + size; |
173 |
|
174 |
switch (bpp) |
175 |
{ |
176 |
case 8: |
177 |
translate8(data, out, end); |
178 |
break; |
179 |
|
180 |
case 16: |
181 |
translate16(data, (uint16 *) out, (uint16 *) end); |
182 |
break; |
183 |
|
184 |
case 24: |
185 |
translate24(data, out, end); |
186 |
break; |
187 |
|
188 |
case 32: |
189 |
translate32(data, (uint32 *) out, (uint32 *) end); |
190 |
break; |
191 |
} |
192 |
|
193 |
return out; |
194 |
} |
195 |
|
196 |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
197 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
198 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
199 |
x = (x << 16) | (x >> 16); } |
200 |
|
201 |
static uint32 |
202 |
translate_colour(uint32 colour) |
203 |
{ |
204 |
switch (bpp) |
205 |
{ |
206 |
case 16: |
207 |
if (host_be != xserver_be) |
208 |
BSWAP16(colour); |
209 |
break; |
210 |
|
211 |
case 24: |
212 |
if (xserver_be) |
213 |
BSWAP24(colour); |
214 |
break; |
215 |
|
216 |
case 32: |
217 |
if (host_be != xserver_be) |
218 |
BSWAP32(colour); |
219 |
break; |
220 |
} |
221 |
|
222 |
return colour; |
223 |
} |
224 |
|
225 |
BOOL |
226 |
get_key_state(unsigned int state, uint32 keysym) |
227 |
{ |
228 |
int modifierpos, key, keysymMask = 0; |
229 |
int offset; |
230 |
|
231 |
KeyCode keycode = XKeysymToKeycode(display, keysym); |
232 |
|
233 |
if (keycode == NoSymbol) |
234 |
return False; |
235 |
|
236 |
for (modifierpos = 0; modifierpos < 8; modifierpos++) |
237 |
{ |
238 |
offset = mod_map->max_keypermod * modifierpos; |
239 |
|
240 |
for (key = 0; key < mod_map->max_keypermod; key++) |
241 |
{ |
242 |
if (mod_map->modifiermap[offset + key] == keycode) |
243 |
keysymMask |= 1 << modifierpos; |
244 |
} |
245 |
} |
246 |
|
247 |
return (state & keysymMask) ? True : False; |
248 |
} |
249 |
|
250 |
BOOL |
251 |
ui_init(void) |
252 |
{ |
253 |
XPixmapFormatValues *pfm; |
254 |
uint16 test; |
255 |
int i; |
256 |
|
257 |
display = XOpenDisplay(NULL); |
258 |
if (display == NULL) |
259 |
{ |
260 |
error("Failed to open display: %s\n", XDisplayName(NULL)); |
261 |
return False; |
262 |
} |
263 |
|
264 |
x_socket = ConnectionNumber(display); |
265 |
screen = DefaultScreenOfDisplay(display); |
266 |
visual = DefaultVisualOfScreen(screen); |
267 |
depth = DefaultDepthOfScreen(screen); |
268 |
|
269 |
pfm = XListPixmapFormats(display, &i); |
270 |
if (pfm != NULL) |
271 |
{ |
272 |
/* Use maximum bpp for this depth - this is generally |
273 |
desirable, e.g. 24 bits->32 bits. */ |
274 |
while (i--) |
275 |
{ |
276 |
if ((pfm[i].depth == depth) && (pfm[i].bits_per_pixel > bpp)) |
277 |
{ |
278 |
bpp = pfm[i].bits_per_pixel; |
279 |
} |
280 |
} |
281 |
XFree(pfm); |
282 |
} |
283 |
|
284 |
if (bpp < 8) |
285 |
{ |
286 |
error("Less than 8 bpp not currently supported.\n"); |
287 |
XCloseDisplay(display); |
288 |
return False; |
289 |
} |
290 |
|
291 |
xcolmap = DefaultColormapOfScreen(screen); |
292 |
gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); |
293 |
|
294 |
if (DoesBackingStore(screen) != Always) |
295 |
ownbackstore = True; |
296 |
|
297 |
test = 1; |
298 |
host_be = !(BOOL) (*(uint8 *) (&test)); |
299 |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
300 |
|
301 |
if ((width == 0) || (height == 0)) |
302 |
{ |
303 |
/* Fetch geometry from _NET_WORKAREA */ |
304 |
uint32 xpos, ypos; |
305 |
|
306 |
if (get_current_workarea(&xpos, &ypos, &width, &height) < 0) |
307 |
{ |
308 |
error("Failed to get workarea.\n"); |
309 |
error("Perhaps your window manager does not support EWMH?\n"); |
310 |
exit(1); |
311 |
} |
312 |
} |
313 |
|
314 |
if (fullscreen) |
315 |
{ |
316 |
width = WidthOfScreen(screen); |
317 |
height = HeightOfScreen(screen); |
318 |
} |
319 |
|
320 |
/* make sure width is a multiple of 4 */ |
321 |
width = (width + 3) & ~3; |
322 |
|
323 |
if (ownbackstore) |
324 |
{ |
325 |
backstore = |
326 |
XCreatePixmap(display, RootWindowOfScreen(screen), width, height, depth); |
327 |
|
328 |
/* clear to prevent rubbish being exposed at startup */ |
329 |
XSetForeground(display, gc, BlackPixelOfScreen(screen)); |
330 |
XFillRectangle(display, backstore, gc, 0, 0, width, height); |
331 |
} |
332 |
|
333 |
mod_map = XGetModifierMapping(display); |
334 |
|
335 |
if (enable_compose) |
336 |
IM = XOpenIM(display, NULL, NULL, NULL); |
337 |
|
338 |
xkeymap_init(); |
339 |
return True; |
340 |
} |
341 |
|
342 |
void |
343 |
ui_deinit(void) |
344 |
{ |
345 |
if (IM != NULL) |
346 |
XCloseIM(IM); |
347 |
|
348 |
XFreeModifiermap(mod_map); |
349 |
|
350 |
if (ownbackstore) |
351 |
XFreePixmap(display, backstore); |
352 |
|
353 |
XFreeGC(display, gc); |
354 |
XCloseDisplay(display); |
355 |
display = NULL; |
356 |
} |
357 |
|
358 |
BOOL |
359 |
ui_create_window(void) |
360 |
{ |
361 |
XSetWindowAttributes attribs; |
362 |
XClassHint *classhints; |
363 |
XSizeHints *sizehints; |
364 |
int wndwidth, wndheight; |
365 |
long input_mask, ic_input_mask; |
366 |
XEvent xevent; |
367 |
|
368 |
wndwidth = fullscreen ? WidthOfScreen(screen) : width; |
369 |
wndheight = fullscreen ? HeightOfScreen(screen) : height; |
370 |
|
371 |
attribs.background_pixel = BlackPixelOfScreen(screen); |
372 |
attribs.backing_store = ownbackstore ? NotUseful : Always; |
373 |
attribs.override_redirect = fullscreen; |
374 |
|
375 |
wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, wndwidth, wndheight, |
376 |
0, CopyFromParent, InputOutput, CopyFromParent, |
377 |
CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); |
378 |
|
379 |
XStoreName(display, wnd, title); |
380 |
|
381 |
if (hide_decorations) |
382 |
mwm_hide_decorations(); |
383 |
|
384 |
classhints = XAllocClassHint(); |
385 |
if (classhints != NULL) |
386 |
{ |
387 |
classhints->res_name = classhints->res_class = "rdesktop"; |
388 |
XSetClassHint(display, wnd, classhints); |
389 |
XFree(classhints); |
390 |
} |
391 |
|
392 |
sizehints = XAllocSizeHints(); |
393 |
if (sizehints) |
394 |
{ |
395 |
sizehints->flags = PMinSize | PMaxSize; |
396 |
sizehints->min_width = sizehints->max_width = width; |
397 |
sizehints->min_height = sizehints->max_height = height; |
398 |
XSetWMNormalHints(display, wnd, sizehints); |
399 |
XFree(sizehints); |
400 |
} |
401 |
|
402 |
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | |
403 |
VisibilityChangeMask | FocusChangeMask; |
404 |
|
405 |
if (sendmotion) |
406 |
input_mask |= PointerMotionMask; |
407 |
if (ownbackstore) |
408 |
input_mask |= ExposureMask; |
409 |
if (fullscreen || grab_keyboard) |
410 |
input_mask |= EnterWindowMask; |
411 |
if (grab_keyboard) |
412 |
input_mask |= LeaveWindowMask; |
413 |
|
414 |
if (IM != NULL) |
415 |
{ |
416 |
IC = XCreateIC(IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), |
417 |
XNClientWindow, wnd, XNFocusWindow, wnd, NULL); |
418 |
|
419 |
if ((IC != NULL) |
420 |
&& (XGetICValues(IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) |
421 |
input_mask |= ic_input_mask; |
422 |
} |
423 |
|
424 |
XSelectInput(display, wnd, input_mask); |
425 |
XMapWindow(display, wnd); |
426 |
|
427 |
/* wait for VisibilityNotify */ |
428 |
do |
429 |
{ |
430 |
XMaskEvent(display, VisibilityChangeMask, &xevent); |
431 |
} |
432 |
while (xevent.type != VisibilityNotify); |
433 |
|
434 |
focused = False; |
435 |
mouse_in_wnd = False; |
436 |
|
437 |
return True; |
438 |
} |
439 |
|
440 |
void |
441 |
ui_destroy_window(void) |
442 |
{ |
443 |
if (IC != NULL) |
444 |
XDestroyIC(IC); |
445 |
|
446 |
XDestroyWindow(display, wnd); |
447 |
} |
448 |
|
449 |
void |
450 |
xwin_toggle_fullscreen(void) |
451 |
{ |
452 |
Pixmap contents = 0; |
453 |
|
454 |
if (!ownbackstore) |
455 |
{ |
456 |
/* need to save contents of window */ |
457 |
contents = XCreatePixmap(display, wnd, width, height, depth); |
458 |
XCopyArea(display, wnd, contents, gc, 0, 0, width, height, 0, 0); |
459 |
} |
460 |
|
461 |
ui_destroy_window(); |
462 |
fullscreen = !fullscreen; |
463 |
ui_create_window(); |
464 |
|
465 |
XDefineCursor(display, wnd, current_cursor); |
466 |
|
467 |
if (!ownbackstore) |
468 |
{ |
469 |
XCopyArea(display, contents, wnd, gc, 0, 0, width, height, 0, 0); |
470 |
XFreePixmap(display, contents); |
471 |
} |
472 |
} |
473 |
|
474 |
/* Process all events in Xlib queue */ |
475 |
static void |
476 |
xwin_process_events(void) |
477 |
{ |
478 |
XEvent xevent; |
479 |
KeySym keysym; |
480 |
uint16 button, flags; |
481 |
uint32 ev_time; |
482 |
key_translation tr; |
483 |
char str[256]; |
484 |
Status status; |
485 |
unsigned int state; |
486 |
Window wdummy; |
487 |
int dummy; |
488 |
|
489 |
while (XPending(display) > 0) |
490 |
{ |
491 |
XNextEvent(display, &xevent); |
492 |
|
493 |
if ((IC != NULL) && (XFilterEvent(&xevent, None) == True)) |
494 |
{ |
495 |
DEBUG_KBD(("Filtering event\n")); |
496 |
continue; |
497 |
} |
498 |
|
499 |
flags = 0; |
500 |
|
501 |
switch (xevent.type) |
502 |
{ |
503 |
case KeyPress: |
504 |
if (IC != NULL) |
505 |
/* Multi_key compatible version */ |
506 |
{ |
507 |
XmbLookupString(IC, |
508 |
(XKeyPressedEvent *) & |
509 |
xevent, str, sizeof(str), &keysym, &status); |
510 |
if (!((status == XLookupKeySym) || (status == XLookupBoth))) |
511 |
{ |
512 |
error("XmbLookupString failed with status 0x%x\n", |
513 |
status); |
514 |
break; |
515 |
} |
516 |
} |
517 |
else |
518 |
{ |
519 |
/* Plain old XLookupString */ |
520 |
DEBUG_KBD(("\nNo input context, using XLookupString\n")); |
521 |
XLookupString((XKeyEvent *) & xevent, |
522 |
str, sizeof(str), &keysym, NULL); |
523 |
} |
524 |
|
525 |
DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, |
526 |
get_ksname(keysym))); |
527 |
|
528 |
ev_time = time(NULL); |
529 |
if (handle_special_keys(keysym, xevent.xkey.state, 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 |
|
543 |
case KeyRelease: |
544 |
XLookupString((XKeyEvent *) & xevent, str, |
545 |
sizeof(str), &keysym, NULL); |
546 |
|
547 |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
548 |
get_ksname(keysym))); |
549 |
|
550 |
ev_time = time(NULL); |
551 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, False)) |
552 |
break; |
553 |
|
554 |
tr = xkeymap_translate_key(keysym, |
555 |
xevent.xkey.keycode, xevent.xkey.state); |
556 |
|
557 |
if (tr.scancode == 0) |
558 |
break; |
559 |
|
560 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
561 |
break; |
562 |
|
563 |
case ButtonPress: |
564 |
flags = MOUSE_FLAG_DOWN; |
565 |
/* fall through */ |
566 |
|
567 |
case ButtonRelease: |
568 |
button = xkeymap_translate_button(xevent.xbutton.button); |
569 |
if (button == 0) |
570 |
break; |
571 |
|
572 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
573 |
flags | button, xevent.xbutton.x, xevent.xbutton.y); |
574 |
break; |
575 |
|
576 |
case MotionNotify: |
577 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
578 |
MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); |
579 |
break; |
580 |
|
581 |
case FocusIn: |
582 |
if (xevent.xfocus.mode == NotifyGrab) |
583 |
break; |
584 |
focused = True; |
585 |
XQueryPointer(display, wnd, &wdummy, &wdummy, &dummy, &dummy, |
586 |
&dummy, &dummy, &state); |
587 |
reset_modifier_keys(state); |
588 |
if (grab_keyboard && mouse_in_wnd) |
589 |
XGrabKeyboard(display, wnd, True, |
590 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
591 |
break; |
592 |
|
593 |
case FocusOut: |
594 |
if (xevent.xfocus.mode == NotifyUngrab) |
595 |
break; |
596 |
focused = False; |
597 |
if (xevent.xfocus.mode == NotifyWhileGrabbed) |
598 |
XUngrabKeyboard(display, CurrentTime); |
599 |
break; |
600 |
|
601 |
case EnterNotify: |
602 |
/* we only register for this event when in fullscreen mode */ |
603 |
/* or grab_keyboard */ |
604 |
mouse_in_wnd = True; |
605 |
if (fullscreen) |
606 |
{ |
607 |
XSetInputFocus(display, wnd, RevertToPointerRoot, |
608 |
CurrentTime); |
609 |
break; |
610 |
} |
611 |
if (focused) |
612 |
XGrabKeyboard(display, wnd, True, |
613 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
614 |
break; |
615 |
|
616 |
case LeaveNotify: |
617 |
/* we only register for this event when grab_keyboard */ |
618 |
mouse_in_wnd = False; |
619 |
XUngrabKeyboard(display, CurrentTime); |
620 |
break; |
621 |
|
622 |
case Expose: |
623 |
XCopyArea(display, backstore, wnd, gc, |
624 |
xevent.xexpose.x, xevent.xexpose.y, |
625 |
xevent.xexpose.width, |
626 |
xevent.xexpose.height, |
627 |
xevent.xexpose.x, xevent.xexpose.y); |
628 |
break; |
629 |
|
630 |
case MappingNotify: |
631 |
/* Refresh keyboard mapping if it has changed. This is important for |
632 |
Xvnc, since it allocates keycodes dynamically */ |
633 |
if (xevent.xmapping.request == MappingKeyboard |
634 |
|| xevent.xmapping.request == MappingModifier) |
635 |
XRefreshKeyboardMapping(&xevent.xmapping); |
636 |
|
637 |
if (xevent.xmapping.request == MappingModifier) |
638 |
{ |
639 |
XFreeModifiermap(mod_map); |
640 |
mod_map = XGetModifierMapping(display); |
641 |
} |
642 |
break; |
643 |
|
644 |
} |
645 |
} |
646 |
} |
647 |
|
648 |
void |
649 |
ui_select(int rdp_socket) |
650 |
{ |
651 |
int n = (rdp_socket > x_socket) ? rdp_socket + 1 : x_socket + 1; |
652 |
fd_set rfds; |
653 |
|
654 |
FD_ZERO(&rfds); |
655 |
|
656 |
while (True) |
657 |
{ |
658 |
/* Process any events already waiting */ |
659 |
xwin_process_events(); |
660 |
|
661 |
FD_ZERO(&rfds); |
662 |
FD_SET(rdp_socket, &rfds); |
663 |
FD_SET(x_socket, &rfds); |
664 |
|
665 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
666 |
{ |
667 |
case -1: |
668 |
error("select: %s\n", strerror(errno)); |
669 |
|
670 |
case 0: |
671 |
continue; |
672 |
} |
673 |
|
674 |
if (FD_ISSET(rdp_socket, &rfds)) |
675 |
return; |
676 |
} |
677 |
} |
678 |
|
679 |
void |
680 |
ui_move_pointer(int x, int y) |
681 |
{ |
682 |
XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
683 |
} |
684 |
|
685 |
HBITMAP |
686 |
ui_create_bitmap(int width, int height, uint8 * data) |
687 |
{ |
688 |
XImage *image; |
689 |
Pixmap bitmap; |
690 |
uint8 *tdata; |
691 |
|
692 |
tdata = translate_image(width, height, data); |
693 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
694 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
695 |
(char *) tdata, width, height, 8, 0); |
696 |
|
697 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
698 |
|
699 |
XFree(image); |
700 |
xfree(tdata); |
701 |
return (HBITMAP) bitmap; |
702 |
} |
703 |
|
704 |
void |
705 |
ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) |
706 |
{ |
707 |
XImage *image; |
708 |
uint8 *tdata; |
709 |
|
710 |
tdata = translate_image(width, height, data); |
711 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
712 |
(char *) tdata, width, height, 8, 0); |
713 |
|
714 |
if (ownbackstore) |
715 |
{ |
716 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
717 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
718 |
} |
719 |
else |
720 |
{ |
721 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
722 |
} |
723 |
|
724 |
XFree(image); |
725 |
xfree(tdata); |
726 |
} |
727 |
|
728 |
void |
729 |
ui_destroy_bitmap(HBITMAP bmp) |
730 |
{ |
731 |
XFreePixmap(display, (Pixmap) bmp); |
732 |
} |
733 |
|
734 |
HGLYPH |
735 |
ui_create_glyph(int width, int height, uint8 * data) |
736 |
{ |
737 |
XImage *image; |
738 |
Pixmap bitmap; |
739 |
int scanline; |
740 |
GC gc; |
741 |
|
742 |
scanline = (width + 7) / 8; |
743 |
|
744 |
bitmap = XCreatePixmap(display, wnd, width, height, 1); |
745 |
gc = XCreateGC(display, bitmap, 0, NULL); |
746 |
|
747 |
image = XCreateImage(display, visual, 1, ZPixmap, 0, (char *) data, |
748 |
width, height, 8, scanline); |
749 |
image->byte_order = MSBFirst; |
750 |
image->bitmap_bit_order = MSBFirst; |
751 |
XInitImage(image); |
752 |
|
753 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
754 |
|
755 |
XFree(image); |
756 |
XFreeGC(display, gc); |
757 |
return (HGLYPH) bitmap; |
758 |
} |
759 |
|
760 |
void |
761 |
ui_destroy_glyph(HGLYPH glyph) |
762 |
{ |
763 |
XFreePixmap(display, (Pixmap) glyph); |
764 |
} |
765 |
|
766 |
HCURSOR |
767 |
ui_create_cursor(unsigned int x, unsigned int y, int width, int height, |
768 |
uint8 * andmask, uint8 * xormask) |
769 |
{ |
770 |
HGLYPH maskglyph, cursorglyph; |
771 |
XColor bg, fg; |
772 |
Cursor xcursor; |
773 |
uint8 *cursor, *pcursor; |
774 |
uint8 *mask, *pmask; |
775 |
uint8 nextbit; |
776 |
int scanline, offset; |
777 |
int i, j; |
778 |
|
779 |
scanline = (width + 7) / 8; |
780 |
offset = scanline * height; |
781 |
|
782 |
cursor = xmalloc(offset); |
783 |
memset(cursor, 0, offset); |
784 |
|
785 |
mask = xmalloc(offset); |
786 |
memset(mask, 0, offset); |
787 |
|
788 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
789 |
for (i = 0; i < height; i++) |
790 |
{ |
791 |
offset -= scanline; |
792 |
pcursor = &cursor[offset]; |
793 |
pmask = &mask[offset]; |
794 |
|
795 |
for (j = 0; j < scanline; j++) |
796 |
{ |
797 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
798 |
{ |
799 |
if (xormask[0] || xormask[1] || xormask[2]) |
800 |
{ |
801 |
*pcursor |= (~(*andmask) & nextbit); |
802 |
*pmask |= nextbit; |
803 |
} |
804 |
else |
805 |
{ |
806 |
*pcursor |= ((*andmask) & nextbit); |
807 |
*pmask |= (~(*andmask) & nextbit); |
808 |
} |
809 |
|
810 |
xormask += 3; |
811 |
} |
812 |
|
813 |
andmask++; |
814 |
pcursor++; |
815 |
pmask++; |
816 |
} |
817 |
} |
818 |
|
819 |
fg.red = fg.blue = fg.green = 0xffff; |
820 |
bg.red = bg.blue = bg.green = 0x0000; |
821 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
822 |
|
823 |
cursorglyph = ui_create_glyph(width, height, cursor); |
824 |
maskglyph = ui_create_glyph(width, height, mask); |
825 |
|
826 |
xcursor = |
827 |
XCreatePixmapCursor(display, (Pixmap) cursorglyph, |
828 |
(Pixmap) maskglyph, &fg, &bg, x, y); |
829 |
|
830 |
ui_destroy_glyph(maskglyph); |
831 |
ui_destroy_glyph(cursorglyph); |
832 |
xfree(mask); |
833 |
xfree(cursor); |
834 |
return (HCURSOR) xcursor; |
835 |
} |
836 |
|
837 |
void |
838 |
ui_set_cursor(HCURSOR cursor) |
839 |
{ |
840 |
current_cursor = (Cursor) cursor; |
841 |
XDefineCursor(display, wnd, current_cursor); |
842 |
} |
843 |
|
844 |
void |
845 |
ui_destroy_cursor(HCURSOR cursor) |
846 |
{ |
847 |
XFreeCursor(display, (Cursor) cursor); |
848 |
} |
849 |
|
850 |
#define MAKE_XCOLOR(xc,c) \ |
851 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
852 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
853 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
854 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
855 |
|
856 |
HCOLOURMAP |
857 |
ui_create_colourmap(COLOURMAP * colours) |
858 |
{ |
859 |
COLOURENTRY *entry; |
860 |
int i, ncolours = colours->ncolours; |
861 |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
862 |
XColor xentry; |
863 |
XColor xc_cache[256]; |
864 |
uint32 colour; |
865 |
int colLookup = 256; |
866 |
for (i = 0; i < ncolours; i++) |
867 |
{ |
868 |
entry = &colours->colours[i]; |
869 |
MAKE_XCOLOR(&xentry, entry); |
870 |
|
871 |
if (XAllocColor(display, xcolmap, &xentry) == 0) |
872 |
{ |
873 |
/* Allocation failed, find closest match. */ |
874 |
int j = 256; |
875 |
int nMinDist = 3 * 256 * 256; |
876 |
long nDist = nMinDist; |
877 |
|
878 |
/* only get the colors once */ |
879 |
while (colLookup--) |
880 |
{ |
881 |
xc_cache[colLookup].pixel = colLookup; |
882 |
xc_cache[colLookup].red = xc_cache[colLookup].green = |
883 |
xc_cache[colLookup].blue = 0; |
884 |
xc_cache[colLookup].flags = 0; |
885 |
XQueryColor(display, |
886 |
DefaultColormap(display, DefaultScreen(display)), |
887 |
&xc_cache[colLookup]); |
888 |
} |
889 |
colLookup = 0; |
890 |
|
891 |
/* approximate the pixel */ |
892 |
while (j--) |
893 |
{ |
894 |
if (xc_cache[j].flags) |
895 |
{ |
896 |
nDist = ((long) (xc_cache[j].red >> 8) - |
897 |
(long) (xentry.red >> 8)) * |
898 |
((long) (xc_cache[j].red >> 8) - |
899 |
(long) (xentry.red >> 8)) + |
900 |
((long) (xc_cache[j].green >> 8) - |
901 |
(long) (xentry.green >> 8)) * |
902 |
((long) (xc_cache[j].green >> 8) - |
903 |
(long) (xentry.green >> 8)) + |
904 |
((long) (xc_cache[j].blue >> 8) - |
905 |
(long) (xentry.blue >> 8)) * |
906 |
((long) (xc_cache[j].blue >> 8) - |
907 |
(long) (xentry.blue >> 8)); |
908 |
} |
909 |
if (nDist < nMinDist) |
910 |
{ |
911 |
nMinDist = nDist; |
912 |
xentry.pixel = j; |
913 |
} |
914 |
} |
915 |
} |
916 |
colour = xentry.pixel; |
917 |
|
918 |
/* update our cache */ |
919 |
if (xentry.pixel < 256) |
920 |
{ |
921 |
xc_cache[xentry.pixel].red = xentry.red; |
922 |
xc_cache[xentry.pixel].green = xentry.green; |
923 |
xc_cache[xentry.pixel].blue = xentry.blue; |
924 |
|
925 |
} |
926 |
|
927 |
|
928 |
/* byte swap here to make translate_image faster */ |
929 |
map[i] = translate_colour(colour); |
930 |
} |
931 |
|
932 |
return map; |
933 |
} |
934 |
|
935 |
void |
936 |
ui_destroy_colourmap(HCOLOURMAP map) |
937 |
{ |
938 |
xfree(map); |
939 |
} |
940 |
|
941 |
void |
942 |
ui_set_colourmap(HCOLOURMAP map) |
943 |
{ |
944 |
colmap = map; |
945 |
} |
946 |
|
947 |
void |
948 |
ui_set_clip(int x, int y, int cx, int cy) |
949 |
{ |
950 |
XRectangle rect; |
951 |
|
952 |
rect.x = x; |
953 |
rect.y = y; |
954 |
rect.width = cx; |
955 |
rect.height = cy; |
956 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
957 |
} |
958 |
|
959 |
void |
960 |
ui_reset_clip(void) |
961 |
{ |
962 |
XRectangle rect; |
963 |
|
964 |
rect.x = 0; |
965 |
rect.y = 0; |
966 |
rect.width = width; |
967 |
rect.height = height; |
968 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
969 |
} |
970 |
|
971 |
void |
972 |
ui_bell(void) |
973 |
{ |
974 |
XBell(display, 0); |
975 |
} |
976 |
|
977 |
void |
978 |
ui_destblt(uint8 opcode, |
979 |
/* dest */ int x, int y, int cx, int cy) |
980 |
{ |
981 |
SET_FUNCTION(opcode); |
982 |
FILL_RECTANGLE(x, y, cx, cy); |
983 |
RESET_FUNCTION(opcode); |
984 |
} |
985 |
|
986 |
void |
987 |
ui_patblt(uint8 opcode, |
988 |
/* dest */ int x, int y, int cx, int cy, |
989 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
990 |
{ |
991 |
Pixmap fill; |
992 |
uint8 i, ipattern[8]; |
993 |
|
994 |
SET_FUNCTION(opcode); |
995 |
|
996 |
switch (brush->style) |
997 |
{ |
998 |
case 0: /* Solid */ |
999 |
SET_FOREGROUND(fgcolour); |
1000 |
FILL_RECTANGLE(x, y, cx, cy); |
1001 |
break; |
1002 |
|
1003 |
case 3: /* Pattern */ |
1004 |
for (i = 0; i != 8; i++) |
1005 |
ipattern[7 - i] = brush->pattern[i]; |
1006 |
fill = (Pixmap) ui_create_glyph(8, 8, ipattern); |
1007 |
|
1008 |
SET_FOREGROUND(bgcolour); |
1009 |
SET_BACKGROUND(fgcolour); |
1010 |
XSetFillStyle(display, gc, FillOpaqueStippled); |
1011 |
XSetStipple(display, gc, fill); |
1012 |
XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin); |
1013 |
|
1014 |
FILL_RECTANGLE(x, y, cx, cy); |
1015 |
|
1016 |
XSetFillStyle(display, gc, FillSolid); |
1017 |
XSetTSOrigin(display, gc, 0, 0); |
1018 |
ui_destroy_glyph((HGLYPH) fill); |
1019 |
break; |
1020 |
|
1021 |
default: |
1022 |
unimpl("brush %d\n", brush->style); |
1023 |
} |
1024 |
|
1025 |
RESET_FUNCTION(opcode); |
1026 |
} |
1027 |
|
1028 |
void |
1029 |
ui_screenblt(uint8 opcode, |
1030 |
/* dest */ int x, int y, int cx, int cy, |
1031 |
/* src */ int srcx, int srcy) |
1032 |
{ |
1033 |
SET_FUNCTION(opcode); |
1034 |
XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y); |
1035 |
if (ownbackstore) |
1036 |
XCopyArea(display, backstore, backstore, gc, srcx, srcy, cx, cy, x, y); |
1037 |
RESET_FUNCTION(opcode); |
1038 |
} |
1039 |
|
1040 |
void |
1041 |
ui_memblt(uint8 opcode, |
1042 |
/* dest */ int x, int y, int cx, int cy, |
1043 |
/* src */ HBITMAP src, int srcx, int srcy) |
1044 |
{ |
1045 |
SET_FUNCTION(opcode); |
1046 |
XCopyArea(display, (Pixmap) src, wnd, gc, srcx, srcy, cx, cy, x, y); |
1047 |
if (ownbackstore) |
1048 |
XCopyArea(display, (Pixmap) src, backstore, gc, srcx, srcy, cx, cy, x, y); |
1049 |
RESET_FUNCTION(opcode); |
1050 |
} |
1051 |
|
1052 |
void |
1053 |
ui_triblt(uint8 opcode, |
1054 |
/* dest */ int x, int y, int cx, int cy, |
1055 |
/* src */ HBITMAP src, int srcx, int srcy, |
1056 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
1057 |
{ |
1058 |
/* This is potentially difficult to do in general. Until someone |
1059 |
comes up with a more efficient way of doing it I am using cases. */ |
1060 |
|
1061 |
switch (opcode) |
1062 |
{ |
1063 |
case 0x69: /* PDSxxn */ |
1064 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
1065 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1066 |
break; |
1067 |
|
1068 |
case 0xb8: /* PSDPxax */ |
1069 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1070 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
1071 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
1072 |
break; |
1073 |
|
1074 |
case 0xc0: /* PSa */ |
1075 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1076 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); |
1077 |
break; |
1078 |
|
1079 |
default: |
1080 |
unimpl("triblt 0x%x\n", opcode); |
1081 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
1082 |
} |
1083 |
} |
1084 |
|
1085 |
void |
1086 |
ui_line(uint8 opcode, |
1087 |
/* dest */ int startx, int starty, int endx, int endy, |
1088 |
/* pen */ PEN * pen) |
1089 |
{ |
1090 |
SET_FUNCTION(opcode); |
1091 |
SET_FOREGROUND(pen->colour); |
1092 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
1093 |
if (ownbackstore) |
1094 |
XDrawLine(display, backstore, gc, startx, starty, endx, endy); |
1095 |
RESET_FUNCTION(opcode); |
1096 |
} |
1097 |
|
1098 |
void |
1099 |
ui_rect( |
1100 |
/* dest */ int x, int y, int cx, int cy, |
1101 |
/* brush */ int colour) |
1102 |
{ |
1103 |
SET_FOREGROUND(colour); |
1104 |
FILL_RECTANGLE(x, y, cx, cy); |
1105 |
} |
1106 |
|
1107 |
void |
1108 |
ui_draw_glyph(int mixmode, |
1109 |
/* dest */ int x, int y, int cx, int cy, |
1110 |
/* src */ HGLYPH glyph, int srcx, int srcy, |
1111 |
int bgcolour, int fgcolour) |
1112 |
{ |
1113 |
SET_FOREGROUND(fgcolour); |
1114 |
SET_BACKGROUND(bgcolour); |
1115 |
|
1116 |
XSetFillStyle(display, gc, |
1117 |
(mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); |
1118 |
XSetStipple(display, gc, (Pixmap) glyph); |
1119 |
XSetTSOrigin(display, gc, x, y); |
1120 |
|
1121 |
FILL_RECTANGLE(x, y, cx, cy); |
1122 |
|
1123 |
XSetFillStyle(display, gc, FillSolid); |
1124 |
} |
1125 |
|
1126 |
#define DO_GLYPH(ttext,idx) \ |
1127 |
{\ |
1128 |
glyph = cache_get_font (font, ttext[idx]);\ |
1129 |
if (!(flags & TEXT2_IMPLICIT_X))\ |
1130 |
{\ |
1131 |
xyoffset = ttext[++idx];\ |
1132 |
if ((xyoffset & 0x80))\ |
1133 |
{\ |
1134 |
if (flags & TEXT2_VERTICAL) \ |
1135 |
y += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1136 |
else\ |
1137 |
x += ttext[idx+1] | (ttext[idx+2] << 8);\ |
1138 |
idx += 2;\ |
1139 |
}\ |
1140 |
else\ |
1141 |
{\ |
1142 |
if (flags & TEXT2_VERTICAL) \ |
1143 |
y += xyoffset;\ |
1144 |
else\ |
1145 |
x += xyoffset;\ |
1146 |
}\ |
1147 |
}\ |
1148 |
if (glyph != NULL)\ |
1149 |
{\ |
1150 |
ui_draw_glyph (mixmode, x + (short) glyph->offset,\ |
1151 |
y + (short) glyph->baseline,\ |
1152 |
glyph->width, glyph->height,\ |
1153 |
glyph->pixmap, 0, 0, bgcolour, fgcolour);\ |
1154 |
if (flags & TEXT2_IMPLICIT_X)\ |
1155 |
x += glyph->width;\ |
1156 |
}\ |
1157 |
} |
1158 |
|
1159 |
void |
1160 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
1161 |
int clipx, int clipy, int clipcx, int clipcy, |
1162 |
int boxx, int boxy, int boxcx, int boxcy, int bgcolour, |
1163 |
int fgcolour, uint8 * text, uint8 length) |
1164 |
{ |
1165 |
FONTGLYPH *glyph; |
1166 |
int i, j, xyoffset; |
1167 |
DATABLOB *entry; |
1168 |
|
1169 |
SET_FOREGROUND(bgcolour); |
1170 |
|
1171 |
if (boxcx > 1) |
1172 |
{ |
1173 |
FILL_RECTANGLE(boxx, boxy, boxcx, boxcy); |
1174 |
} |
1175 |
else if (mixmode == MIX_OPAQUE) |
1176 |
{ |
1177 |
FILL_RECTANGLE(clipx, clipy, clipcx, clipcy); |
1178 |
} |
1179 |
|
1180 |
/* Paint text, character by character */ |
1181 |
for (i = 0; i < length;) |
1182 |
{ |
1183 |
switch (text[i]) |
1184 |
{ |
1185 |
case 0xff: |
1186 |
if (i + 2 < length) |
1187 |
cache_put_text(text[i + 1], text, text[i + 2]); |
1188 |
else |
1189 |
{ |
1190 |
error("this shouldn't be happening\n"); |
1191 |
exit(1); |
1192 |
} |
1193 |
/* this will move pointer from start to first character after FF command */ |
1194 |
length -= i + 3; |
1195 |
text = &(text[i + 3]); |
1196 |
i = 0; |
1197 |
break; |
1198 |
|
1199 |
case 0xfe: |
1200 |
entry = cache_get_text(text[i + 1]); |
1201 |
if (entry != NULL) |
1202 |
{ |
1203 |
if ((((uint8 *) (entry->data))[1] == |
1204 |
0) && (!(flags & TEXT2_IMPLICIT_X))) |
1205 |
{ |
1206 |
if (flags & TEXT2_VERTICAL) |
1207 |
y += text[i + 2]; |
1208 |
else |
1209 |
x += text[i + 2]; |
1210 |
} |
1211 |
if (i + 2 < length) |
1212 |
i += 3; |
1213 |
else |
1214 |
i += 2; |
1215 |
length -= i; |
1216 |
/* this will move pointer from start to first character after FE command */ |
1217 |
text = &(text[i]); |
1218 |
i = 0; |
1219 |
for (j = 0; j < entry->size; j++) |
1220 |
DO_GLYPH(((uint8 *) (entry->data)), j); |
1221 |
} |
1222 |
break; |
1223 |
|
1224 |
default: |
1225 |
DO_GLYPH(text, i); |
1226 |
i++; |
1227 |
break; |
1228 |
} |
1229 |
} |
1230 |
|
1231 |
|
1232 |
} |
1233 |
|
1234 |
void |
1235 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
1236 |
{ |
1237 |
Pixmap pix; |
1238 |
XImage *image; |
1239 |
|
1240 |
if (ownbackstore) |
1241 |
{ |
1242 |
image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, ZPixmap); |
1243 |
} |
1244 |
else |
1245 |
{ |
1246 |
pix = XCreatePixmap(display, wnd, cx, cy, depth); |
1247 |
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0); |
1248 |
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); |
1249 |
XFreePixmap(display, pix); |
1250 |
} |
1251 |
|
1252 |
offset *= bpp / 8; |
1253 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, bpp / 8, (uint8 *) image->data); |
1254 |
|
1255 |
XDestroyImage(image); |
1256 |
} |
1257 |
|
1258 |
void |
1259 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
1260 |
{ |
1261 |
XImage *image; |
1262 |
uint8 *data; |
1263 |
|
1264 |
offset *= bpp / 8; |
1265 |
data = cache_get_desktop(offset, cx, cy, bpp / 8); |
1266 |
if (data == NULL) |
1267 |
return; |
1268 |
|
1269 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
1270 |
(char *) data, cx, cy, BitmapPad(display), cx * bpp / 8); |
1271 |
|
1272 |
if (ownbackstore) |
1273 |
{ |
1274 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
1275 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
1276 |
} |
1277 |
else |
1278 |
{ |
1279 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
1280 |
} |
1281 |
|
1282 |
XFree(image); |
1283 |
} |