| 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 |
|
| 11 |
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 |
| 14 |
GNU General Public License for more details. |
| 15 |
|
| 16 |
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 |
*/ |
| 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 |
extern int server_bpp; |
| 35 |
BOOL enable_compose = False; |
| 36 |
BOOL focused; |
| 37 |
BOOL mouse_in_wnd; |
| 38 |
|
| 39 |
Display *display; |
| 40 |
static int x_socket; |
| 41 |
static Screen *screen; |
| 42 |
static Window wnd; |
| 43 |
static GC gc; |
| 44 |
static Visual *visual; |
| 45 |
static int depth; |
| 46 |
static int bpp; |
| 47 |
static XIM IM; |
| 48 |
static XIC IC; |
| 49 |
static XModifierKeymap *mod_map; |
| 50 |
static Cursor current_cursor; |
| 51 |
static Atom protocol_atom, kill_atom; |
| 52 |
|
| 53 |
/* endianness */ |
| 54 |
static BOOL host_be; |
| 55 |
static BOOL xserver_be; |
| 56 |
|
| 57 |
/* software backing store */ |
| 58 |
static BOOL ownbackstore; |
| 59 |
static Pixmap backstore; |
| 60 |
|
| 61 |
/* MWM decorations */ |
| 62 |
#define MWM_HINTS_DECORATIONS (1L << 1) |
| 63 |
#define PROP_MOTIF_WM_HINTS_ELEMENTS 5 |
| 64 |
typedef struct |
| 65 |
{ |
| 66 |
uint32 flags; |
| 67 |
uint32 functions; |
| 68 |
uint32 decorations; |
| 69 |
sint32 inputMode; |
| 70 |
uint32 status; |
| 71 |
} |
| 72 |
PropMotifWmHints; |
| 73 |
|
| 74 |
typedef struct |
| 75 |
{ |
| 76 |
uint32 red; |
| 77 |
uint32 green; |
| 78 |
uint32 blue; |
| 79 |
} |
| 80 |
PixelColour; |
| 81 |
|
| 82 |
#define FILL_RECTANGLE(x,y,cx,cy)\ |
| 83 |
{ \ |
| 84 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); \ |
| 85 |
if (ownbackstore) \ |
| 86 |
XFillRectangle(display, backstore, gc, x, y, cx, cy); \ |
| 87 |
} |
| 88 |
|
| 89 |
#define FILL_RECTANGLE_BACKSTORE(x,y,cx,cy)\ |
| 90 |
{ \ |
| 91 |
XFillRectangle(display, ownbackstore ? backstore : wnd, gc, x, y, cx, cy); \ |
| 92 |
} |
| 93 |
|
| 94 |
/* colour maps */ |
| 95 |
BOOL owncolmap = False; |
| 96 |
static Colormap xcolmap; |
| 97 |
static uint32 *colmap; |
| 98 |
|
| 99 |
#define TRANSLATE(col) ( server_bpp != 8 ? translate_colour(col) : owncolmap ? col : translate_colour(colmap[col]) ) |
| 100 |
#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); |
| 101 |
#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); |
| 102 |
|
| 103 |
static int rop2_map[] = { |
| 104 |
GXclear, /* 0 */ |
| 105 |
GXnor, /* DPon */ |
| 106 |
GXandInverted, /* DPna */ |
| 107 |
GXcopyInverted, /* Pn */ |
| 108 |
GXandReverse, /* PDna */ |
| 109 |
GXinvert, /* Dn */ |
| 110 |
GXxor, /* DPx */ |
| 111 |
GXnand, /* DPan */ |
| 112 |
GXand, /* DPa */ |
| 113 |
GXequiv, /* DPxn */ |
| 114 |
GXnoop, /* D */ |
| 115 |
GXorInverted, /* DPno */ |
| 116 |
GXcopy, /* P */ |
| 117 |
GXorReverse, /* PDno */ |
| 118 |
GXor, /* DPo */ |
| 119 |
GXset /* 1 */ |
| 120 |
}; |
| 121 |
|
| 122 |
#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, rop2_map[rop2]); } |
| 123 |
#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, GXcopy); } |
| 124 |
|
| 125 |
void |
| 126 |
mwm_hide_decorations(void) |
| 127 |
{ |
| 128 |
PropMotifWmHints motif_hints; |
| 129 |
Atom hintsatom; |
| 130 |
|
| 131 |
/* setup the property */ |
| 132 |
motif_hints.flags = MWM_HINTS_DECORATIONS; |
| 133 |
motif_hints.decorations = 0; |
| 134 |
|
| 135 |
/* get the atom for the property */ |
| 136 |
hintsatom = XInternAtom(display, "_MOTIF_WM_HINTS", False); |
| 137 |
if (!hintsatom) |
| 138 |
{ |
| 139 |
warning("Failed to get atom _MOTIF_WM_HINTS: probably your window manager does not support MWM hints\n"); |
| 140 |
return; |
| 141 |
} |
| 142 |
|
| 143 |
XChangeProperty(display, wnd, hintsatom, hintsatom, 32, PropModeReplace, |
| 144 |
(unsigned char *) &motif_hints, PROP_MOTIF_WM_HINTS_ELEMENTS); |
| 145 |
} |
| 146 |
|
| 147 |
PixelColour |
| 148 |
split_colour15(uint32 colour) |
| 149 |
{ |
| 150 |
PixelColour rv; |
| 151 |
rv.red = (colour & 0x7c00) >> 10; |
| 152 |
rv.red = (rv.red * 0xff) / 0x1f; |
| 153 |
rv.green = (colour & 0x03e0) >> 5; |
| 154 |
rv.green = (rv.green * 0xff) / 0x1f; |
| 155 |
rv.blue = (colour & 0x1f); |
| 156 |
rv.blue = (rv.blue * 0xff) / 0x1f; |
| 157 |
return rv; |
| 158 |
} |
| 159 |
|
| 160 |
PixelColour |
| 161 |
split_colour16(uint32 colour) |
| 162 |
{ |
| 163 |
PixelColour rv; |
| 164 |
rv.red = (colour & 0xf800) >> 11; |
| 165 |
rv.red = (rv.red * 0xff) / 0x1f; |
| 166 |
rv.green = (colour & 0x07e0) >> 5; |
| 167 |
rv.green = (rv.green * 0xff) / 0x3f; |
| 168 |
rv.blue = (colour & 0x001f); |
| 169 |
rv.blue = (rv.blue * 0xff) / 0x1f; |
| 170 |
return rv; |
| 171 |
} |
| 172 |
|
| 173 |
PixelColour |
| 174 |
split_colour24(uint32 colour) |
| 175 |
{ |
| 176 |
PixelColour rv; |
| 177 |
rv.blue = (colour & 0xff0000) >> 16; |
| 178 |
rv.green = (colour & 0xff00) >> 8; |
| 179 |
rv.red = (colour & 0xff); |
| 180 |
return rv; |
| 181 |
} |
| 182 |
|
| 183 |
uint32 make_colour16(PixelColour pc) |
| 184 |
{ |
| 185 |
pc.red = (pc.red * 0x1f) / 0xff; |
| 186 |
pc.green = (pc.green * 0x3f) / 0xff; |
| 187 |
pc.blue = (pc.blue * 0x1f) / 0xff; |
| 188 |
return (pc.red << 11) | (pc.green << 5) | pc.blue; |
| 189 |
} |
| 190 |
|
| 191 |
uint32 make_colour24(PixelColour pc) |
| 192 |
{ |
| 193 |
return (pc.red << 16) | (pc.green << 8) | pc.blue; |
| 194 |
} |
| 195 |
|
| 196 |
uint32 make_colour32(PixelColour pc) |
| 197 |
{ |
| 198 |
return (pc.red << 16) | (pc.green << 8) | pc.blue; |
| 199 |
} |
| 200 |
|
| 201 |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
| 202 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
| 203 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
| 204 |
x = (x << 16) | (x >> 16); } |
| 205 |
|
| 206 |
static uint32 |
| 207 |
translate_colour(uint32 colour) |
| 208 |
{ |
| 209 |
switch (server_bpp) |
| 210 |
{ |
| 211 |
case 15: |
| 212 |
switch (bpp) |
| 213 |
{ |
| 214 |
case 16: |
| 215 |
colour = make_colour16(split_colour15(colour)); |
| 216 |
break; |
| 217 |
case 24: |
| 218 |
colour = make_colour24(split_colour15(colour)); |
| 219 |
break; |
| 220 |
case 32: |
| 221 |
colour = make_colour32(split_colour15(colour)); |
| 222 |
break; |
| 223 |
} |
| 224 |
break; |
| 225 |
case 16: |
| 226 |
switch (bpp) |
| 227 |
{ |
| 228 |
case 16: |
| 229 |
break; |
| 230 |
case 24: |
| 231 |
colour = make_colour24(split_colour16(colour)); |
| 232 |
break; |
| 233 |
case 32: |
| 234 |
colour = make_colour32(split_colour16(colour)); |
| 235 |
break; |
| 236 |
} |
| 237 |
break; |
| 238 |
case 24: |
| 239 |
switch (bpp) |
| 240 |
{ |
| 241 |
case 16: |
| 242 |
colour = make_colour16(split_colour24(colour)); |
| 243 |
break; |
| 244 |
case 24: |
| 245 |
break; |
| 246 |
case 32: |
| 247 |
colour = make_colour32(split_colour24(colour)); |
| 248 |
break; |
| 249 |
} |
| 250 |
break; |
| 251 |
} |
| 252 |
switch (bpp) |
| 253 |
{ |
| 254 |
case 16: |
| 255 |
if (host_be != xserver_be) |
| 256 |
BSWAP16(colour); |
| 257 |
break; |
| 258 |
|
| 259 |
case 24: |
| 260 |
if (xserver_be) |
| 261 |
BSWAP24(colour); |
| 262 |
break; |
| 263 |
|
| 264 |
case 32: |
| 265 |
if (host_be != xserver_be) |
| 266 |
BSWAP32(colour); |
| 267 |
break; |
| 268 |
} |
| 269 |
|
| 270 |
return colour; |
| 271 |
} |
| 272 |
|
| 273 |
static void |
| 274 |
translate8to8(uint8 * data, uint8 * out, uint8 * end) |
| 275 |
{ |
| 276 |
while (out < end) |
| 277 |
*(out++) = (uint8) colmap[*(data++)]; |
| 278 |
} |
| 279 |
|
| 280 |
static void |
| 281 |
translate8to16(uint8 * data, uint16 * out, uint16 * end) |
| 282 |
{ |
| 283 |
while (out < end) |
| 284 |
*(out++) = (uint16) colmap[*(data++)]; |
| 285 |
} |
| 286 |
|
| 287 |
/* little endian - conversion happens when colourmap is built */ |
| 288 |
static void |
| 289 |
translate8to24(uint8 * data, uint8 * out, uint8 * end) |
| 290 |
{ |
| 291 |
uint32 value; |
| 292 |
|
| 293 |
while (out < end) |
| 294 |
{ |
| 295 |
value = colmap[*(data++)]; |
| 296 |
*(out++) = value; |
| 297 |
*(out++) = value >> 8; |
| 298 |
*(out++) = value >> 16; |
| 299 |
} |
| 300 |
} |
| 301 |
|
| 302 |
static void |
| 303 |
translate8to32(uint8 * data, uint32 * out, uint32 * end) |
| 304 |
{ |
| 305 |
while (out < end) |
| 306 |
*(out++) = colmap[*(data++)]; |
| 307 |
} |
| 308 |
|
| 309 |
/* todo the remaining translate function might need some big endian check ?? */ |
| 310 |
|
| 311 |
static void |
| 312 |
translate15to16(uint16 * data, uint16 * out, uint16 * end) |
| 313 |
{ |
| 314 |
while (out < end) |
| 315 |
*(out++) = (uint16) make_colour16(split_colour15(*(data++))); |
| 316 |
} |
| 317 |
|
| 318 |
static void |
| 319 |
translate15to24(uint16 * data, uint8 * out, uint8 * end) |
| 320 |
{ |
| 321 |
uint32 value; |
| 322 |
|
| 323 |
while (out < end) |
| 324 |
{ |
| 325 |
value = make_colour24(split_colour15(*(data++))); |
| 326 |
*(out++) = value; |
| 327 |
*(out++) = value >> 8; |
| 328 |
*(out++) = value >> 16; |
| 329 |
} |
| 330 |
} |
| 331 |
|
| 332 |
static void |
| 333 |
translate15to32(uint16 * data, uint32 * out, uint32 * end) |
| 334 |
{ |
| 335 |
while (out < end) |
| 336 |
*(out++) = make_colour32(split_colour15(*(data++))); |
| 337 |
} |
| 338 |
|
| 339 |
static void |
| 340 |
translate16to16(uint16 * data, uint16 * out, uint16 * end) |
| 341 |
{ |
| 342 |
while (out < end) |
| 343 |
*(out++) = (uint16) (*(data++)); |
| 344 |
} |
| 345 |
|
| 346 |
|
| 347 |
static void |
| 348 |
translate16to24(uint16 * data, uint8 * out, uint8 * end) |
| 349 |
{ |
| 350 |
uint32 value; |
| 351 |
|
| 352 |
while (out < end) |
| 353 |
{ |
| 354 |
value = make_colour24(split_colour16(*(data++))); |
| 355 |
*(out++) = value; |
| 356 |
*(out++) = value >> 8; |
| 357 |
*(out++) = value >> 16; |
| 358 |
} |
| 359 |
} |
| 360 |
|
| 361 |
static void |
| 362 |
translate16to32(uint16 * data, uint32 * out, uint32 * end) |
| 363 |
{ |
| 364 |
while (out < end) |
| 365 |
*(out++) = make_colour32(split_colour16(*(data++))); |
| 366 |
} |
| 367 |
|
| 368 |
static void |
| 369 |
translate24to16(uint8 * data, uint16 * out, uint16 * end) |
| 370 |
{ |
| 371 |
uint32 pixel = 0; |
| 372 |
while (out < end) |
| 373 |
{ |
| 374 |
pixel = *(data++) << 16; |
| 375 |
pixel |= *(data++) << 8; |
| 376 |
pixel |= *(data++); |
| 377 |
*(out++) = (uint16) make_colour16(split_colour24(pixel)); |
| 378 |
} |
| 379 |
} |
| 380 |
|
| 381 |
static void |
| 382 |
translate24to24(uint8 * data, uint8 * out, uint8 * end) |
| 383 |
{ |
| 384 |
while (out < end) |
| 385 |
{ |
| 386 |
*(out++) = (*(data++)); |
| 387 |
} |
| 388 |
} |
| 389 |
|
| 390 |
static void |
| 391 |
translate24to32(uint8 * data, uint32 * out, uint32 * end) |
| 392 |
{ |
| 393 |
uint32 pixel = 0; |
| 394 |
while (out < end) |
| 395 |
{ |
| 396 |
memcpy(&pixel, data, 3); |
| 397 |
data += 3; |
| 398 |
*(out++) = pixel; |
| 399 |
} |
| 400 |
} |
| 401 |
|
| 402 |
static uint8 * |
| 403 |
translate_image(int width, int height, uint8 * data) |
| 404 |
{ |
| 405 |
int size = width * height * bpp / 8; |
| 406 |
uint8 *out = xmalloc(size); |
| 407 |
uint8 *end = out + size; |
| 408 |
|
| 409 |
switch (server_bpp) |
| 410 |
{ |
| 411 |
case 24: |
| 412 |
switch (bpp) |
| 413 |
{ |
| 414 |
case 32: |
| 415 |
translate24to32(data, (uint32 *) out, (uint32 *) end); |
| 416 |
break; |
| 417 |
case 24: |
| 418 |
translate24to24(data, out, end); |
| 419 |
break; |
| 420 |
case 16: |
| 421 |
translate24to16(data, (uint16 *) out, (uint16 *) end); |
| 422 |
break; |
| 423 |
} |
| 424 |
break; |
| 425 |
case 16: |
| 426 |
switch (bpp) |
| 427 |
{ |
| 428 |
case 32: |
| 429 |
translate16to32((uint16 *) data, (uint32 *) out, (uint32 *) end); |
| 430 |
break; |
| 431 |
case 24: |
| 432 |
translate16to24((uint16 *) data, out, end); |
| 433 |
break; |
| 434 |
case 16: |
| 435 |
translate16to16((uint16 *) data, (uint16 *) out, (uint16 *) end); |
| 436 |
break; |
| 437 |
} |
| 438 |
break; |
| 439 |
case 15: |
| 440 |
switch (bpp) |
| 441 |
{ |
| 442 |
case 32: |
| 443 |
translate15to32((uint16 *) data, (uint32 *) out, (uint32 *) end); |
| 444 |
break; |
| 445 |
case 24: |
| 446 |
translate15to24((uint16 *) data, out, end); |
| 447 |
break; |
| 448 |
case 16: |
| 449 |
translate15to16((uint16 *) data, (uint16 *) out, (uint16 *) end); |
| 450 |
break; |
| 451 |
} |
| 452 |
break; |
| 453 |
case 8: |
| 454 |
switch (bpp) |
| 455 |
{ |
| 456 |
case 8: |
| 457 |
translate8to8(data, out, end); |
| 458 |
break; |
| 459 |
case 16: |
| 460 |
translate8to16(data, (uint16 *) out, (uint16 *) end); |
| 461 |
break; |
| 462 |
case 24: |
| 463 |
translate8to24(data, out, end); |
| 464 |
break; |
| 465 |
case 32: |
| 466 |
translate8to32(data, (uint32 *) out, (uint32 *) end); |
| 467 |
break; |
| 468 |
} |
| 469 |
break; |
| 470 |
} |
| 471 |
return out; |
| 472 |
} |
| 473 |
|
| 474 |
BOOL |
| 475 |
get_key_state(unsigned int state, uint32 keysym) |
| 476 |
{ |
| 477 |
int modifierpos, key, keysymMask = 0; |
| 478 |
int offset; |
| 479 |
|
| 480 |
KeyCode keycode = XKeysymToKeycode(display, keysym); |
| 481 |
|
| 482 |
if (keycode == NoSymbol) |
| 483 |
return False; |
| 484 |
|
| 485 |
for (modifierpos = 0; modifierpos < 8; modifierpos++) |
| 486 |
{ |
| 487 |
offset = mod_map->max_keypermod * modifierpos; |
| 488 |
|
| 489 |
for (key = 0; key < mod_map->max_keypermod; key++) |
| 490 |
{ |
| 491 |
if (mod_map->modifiermap[offset + key] == keycode) |
| 492 |
keysymMask |= 1 << modifierpos; |
| 493 |
} |
| 494 |
} |
| 495 |
|
| 496 |
return (state & keysymMask) ? True : False; |
| 497 |
} |
| 498 |
|
| 499 |
BOOL |
| 500 |
ui_init(void) |
| 501 |
{ |
| 502 |
XPixmapFormatValues *pfm; |
| 503 |
uint16 test; |
| 504 |
int i; |
| 505 |
|
| 506 |
display = XOpenDisplay(NULL); |
| 507 |
if (display == NULL) |
| 508 |
{ |
| 509 |
error("Failed to open display: %s\n", XDisplayName(NULL)); |
| 510 |
return False; |
| 511 |
} |
| 512 |
|
| 513 |
x_socket = ConnectionNumber(display); |
| 514 |
screen = DefaultScreenOfDisplay(display); |
| 515 |
visual = DefaultVisualOfScreen(screen); |
| 516 |
depth = DefaultDepthOfScreen(screen); |
| 517 |
|
| 518 |
pfm = XListPixmapFormats(display, &i); |
| 519 |
if (pfm != NULL) |
| 520 |
{ |
| 521 |
/* Use maximum bpp for this depth - this is generally |
| 522 |
desirable, e.g. 24 bits->32 bits. */ |
| 523 |
while (i--) |
| 524 |
{ |
| 525 |
if ((pfm[i].depth == depth) && (pfm[i].bits_per_pixel > bpp)) |
| 526 |
{ |
| 527 |
bpp = pfm[i].bits_per_pixel; |
| 528 |
} |
| 529 |
} |
| 530 |
XFree(pfm); |
| 531 |
} |
| 532 |
|
| 533 |
if (bpp < 8) |
| 534 |
{ |
| 535 |
error("Less than 8 bpp not currently supported.\n"); |
| 536 |
XCloseDisplay(display); |
| 537 |
return False; |
| 538 |
} |
| 539 |
|
| 540 |
if (owncolmap != True) |
| 541 |
{ |
| 542 |
xcolmap = DefaultColormapOfScreen(screen); |
| 543 |
if (depth <= 8) |
| 544 |
warning("Screen depth is 8 bits or lower: you may want to use -C for a private colourmap\n"); |
| 545 |
} |
| 546 |
|
| 547 |
gc = XCreateGC(display, RootWindowOfScreen(screen), 0, NULL); |
| 548 |
|
| 549 |
if (DoesBackingStore(screen) != Always) |
| 550 |
ownbackstore = True; |
| 551 |
|
| 552 |
test = 1; |
| 553 |
host_be = !(BOOL) (*(uint8 *) (&test)); |
| 554 |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
| 555 |
|
| 556 |
if ((width == 0) || (height == 0)) |
| 557 |
{ |
| 558 |
/* Fetch geometry from _NET_WORKAREA */ |
| 559 |
uint32 x, y, cx, cy; |
| 560 |
|
| 561 |
if (get_current_workarea(&x, &y, &cx, &cy) == 0) |
| 562 |
{ |
| 563 |
width = cx; |
| 564 |
height = cy; |
| 565 |
} |
| 566 |
else |
| 567 |
{ |
| 568 |
warning("Failed to get workarea: probably your window manager does not support extended hints\n"); |
| 569 |
width = 800; |
| 570 |
height = 600; |
| 571 |
} |
| 572 |
} |
| 573 |
|
| 574 |
if (fullscreen) |
| 575 |
{ |
| 576 |
width = WidthOfScreen(screen); |
| 577 |
height = HeightOfScreen(screen); |
| 578 |
} |
| 579 |
|
| 580 |
/* make sure width is a multiple of 4 */ |
| 581 |
width = (width + 3) & ~3; |
| 582 |
|
| 583 |
if (ownbackstore) |
| 584 |
{ |
| 585 |
backstore = |
| 586 |
XCreatePixmap(display, RootWindowOfScreen(screen), width, height, depth); |
| 587 |
|
| 588 |
/* clear to prevent rubbish being exposed at startup */ |
| 589 |
XSetForeground(display, gc, BlackPixelOfScreen(screen)); |
| 590 |
XFillRectangle(display, backstore, gc, 0, 0, width, height); |
| 591 |
} |
| 592 |
|
| 593 |
mod_map = XGetModifierMapping(display); |
| 594 |
|
| 595 |
if (enable_compose) |
| 596 |
IM = XOpenIM(display, NULL, NULL, NULL); |
| 597 |
|
| 598 |
xkeymap_init(); |
| 599 |
|
| 600 |
/* todo take this out when high colour is done */ |
| 601 |
printf("server bpp %d client bpp %d depth %d\n", server_bpp, bpp, depth); |
| 602 |
|
| 603 |
return True; |
| 604 |
} |
| 605 |
|
| 606 |
void |
| 607 |
ui_deinit(void) |
| 608 |
{ |
| 609 |
if (IM != NULL) |
| 610 |
XCloseIM(IM); |
| 611 |
|
| 612 |
XFreeModifiermap(mod_map); |
| 613 |
|
| 614 |
if (ownbackstore) |
| 615 |
XFreePixmap(display, backstore); |
| 616 |
|
| 617 |
XFreeGC(display, gc); |
| 618 |
XCloseDisplay(display); |
| 619 |
display = NULL; |
| 620 |
} |
| 621 |
|
| 622 |
BOOL |
| 623 |
ui_create_window(void) |
| 624 |
{ |
| 625 |
XSetWindowAttributes attribs; |
| 626 |
XClassHint *classhints; |
| 627 |
XSizeHints *sizehints; |
| 628 |
int wndwidth, wndheight; |
| 629 |
long input_mask, ic_input_mask; |
| 630 |
XEvent xevent; |
| 631 |
|
| 632 |
wndwidth = fullscreen ? WidthOfScreen(screen) : width; |
| 633 |
wndheight = fullscreen ? HeightOfScreen(screen) : height; |
| 634 |
|
| 635 |
attribs.background_pixel = BlackPixelOfScreen(screen); |
| 636 |
attribs.backing_store = ownbackstore ? NotUseful : Always; |
| 637 |
attribs.override_redirect = fullscreen; |
| 638 |
|
| 639 |
wnd = XCreateWindow(display, RootWindowOfScreen(screen), 0, 0, wndwidth, wndheight, |
| 640 |
0, CopyFromParent, InputOutput, CopyFromParent, |
| 641 |
CWBackPixel | CWBackingStore | CWOverrideRedirect, &attribs); |
| 642 |
|
| 643 |
XStoreName(display, wnd, title); |
| 644 |
|
| 645 |
if (hide_decorations) |
| 646 |
mwm_hide_decorations(); |
| 647 |
|
| 648 |
classhints = XAllocClassHint(); |
| 649 |
if (classhints != NULL) |
| 650 |
{ |
| 651 |
classhints->res_name = classhints->res_class = "rdesktop"; |
| 652 |
XSetClassHint(display, wnd, classhints); |
| 653 |
XFree(classhints); |
| 654 |
} |
| 655 |
|
| 656 |
sizehints = XAllocSizeHints(); |
| 657 |
if (sizehints) |
| 658 |
{ |
| 659 |
sizehints->flags = PMinSize | PMaxSize; |
| 660 |
sizehints->min_width = sizehints->max_width = width; |
| 661 |
sizehints->min_height = sizehints->max_height = height; |
| 662 |
XSetWMNormalHints(display, wnd, sizehints); |
| 663 |
XFree(sizehints); |
| 664 |
} |
| 665 |
|
| 666 |
input_mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask | |
| 667 |
VisibilityChangeMask | FocusChangeMask; |
| 668 |
|
| 669 |
if (sendmotion) |
| 670 |
input_mask |= PointerMotionMask; |
| 671 |
if (ownbackstore) |
| 672 |
input_mask |= ExposureMask; |
| 673 |
if (fullscreen || grab_keyboard) |
| 674 |
input_mask |= EnterWindowMask; |
| 675 |
if (grab_keyboard) |
| 676 |
input_mask |= LeaveWindowMask; |
| 677 |
|
| 678 |
if (IM != NULL) |
| 679 |
{ |
| 680 |
IC = XCreateIC(IM, XNInputStyle, (XIMPreeditNothing | XIMStatusNothing), |
| 681 |
XNClientWindow, wnd, XNFocusWindow, wnd, NULL); |
| 682 |
|
| 683 |
if ((IC != NULL) |
| 684 |
&& (XGetICValues(IC, XNFilterEvents, &ic_input_mask, NULL) == NULL)) |
| 685 |
input_mask |= ic_input_mask; |
| 686 |
} |
| 687 |
|
| 688 |
XSelectInput(display, wnd, input_mask); |
| 689 |
XMapWindow(display, wnd); |
| 690 |
|
| 691 |
/* wait for VisibilityNotify */ |
| 692 |
do |
| 693 |
{ |
| 694 |
XMaskEvent(display, VisibilityChangeMask, &xevent); |
| 695 |
} |
| 696 |
while (xevent.type != VisibilityNotify); |
| 697 |
|
| 698 |
focused = False; |
| 699 |
mouse_in_wnd = False; |
| 700 |
|
| 701 |
/* handle the WM_DELETE_WINDOW protocol */ |
| 702 |
protocol_atom = XInternAtom(display, "WM_PROTOCOLS", True); |
| 703 |
kill_atom = XInternAtom(display, "WM_DELETE_WINDOW", True); |
| 704 |
XSetWMProtocols(display, wnd, &kill_atom, 1); |
| 705 |
|
| 706 |
return True; |
| 707 |
} |
| 708 |
|
| 709 |
void |
| 710 |
ui_destroy_window(void) |
| 711 |
{ |
| 712 |
if (IC != NULL) |
| 713 |
XDestroyIC(IC); |
| 714 |
|
| 715 |
XDestroyWindow(display, wnd); |
| 716 |
} |
| 717 |
|
| 718 |
void |
| 719 |
xwin_toggle_fullscreen(void) |
| 720 |
{ |
| 721 |
Pixmap contents = 0; |
| 722 |
|
| 723 |
if (!ownbackstore) |
| 724 |
{ |
| 725 |
/* need to save contents of window */ |
| 726 |
contents = XCreatePixmap(display, wnd, width, height, depth); |
| 727 |
XCopyArea(display, wnd, contents, gc, 0, 0, width, height, 0, 0); |
| 728 |
} |
| 729 |
|
| 730 |
ui_destroy_window(); |
| 731 |
fullscreen = !fullscreen; |
| 732 |
ui_create_window(); |
| 733 |
|
| 734 |
XDefineCursor(display, wnd, current_cursor); |
| 735 |
|
| 736 |
if (!ownbackstore) |
| 737 |
{ |
| 738 |
XCopyArea(display, contents, wnd, gc, 0, 0, width, height, 0, 0); |
| 739 |
XFreePixmap(display, contents); |
| 740 |
} |
| 741 |
} |
| 742 |
|
| 743 |
/* Process all events in Xlib queue |
| 744 |
Returns 0 after user quit, 1 otherwise */ |
| 745 |
static int |
| 746 |
xwin_process_events(void) |
| 747 |
{ |
| 748 |
XEvent xevent; |
| 749 |
KeySym keysym; |
| 750 |
uint16 button, flags; |
| 751 |
uint32 ev_time; |
| 752 |
key_translation tr; |
| 753 |
char str[256]; |
| 754 |
Status status; |
| 755 |
unsigned int state; |
| 756 |
Window wdummy; |
| 757 |
int dummy; |
| 758 |
|
| 759 |
while (XPending(display) > 0) |
| 760 |
{ |
| 761 |
XNextEvent(display, &xevent); |
| 762 |
|
| 763 |
if ((IC != NULL) && (XFilterEvent(&xevent, None) == True)) |
| 764 |
{ |
| 765 |
DEBUG_KBD(("Filtering event\n")); |
| 766 |
continue; |
| 767 |
} |
| 768 |
|
| 769 |
flags = 0; |
| 770 |
|
| 771 |
switch (xevent.type) |
| 772 |
{ |
| 773 |
case ClientMessage: |
| 774 |
/* the window manager told us to quit */ |
| 775 |
if ((xevent.xclient.message_type == protocol_atom) |
| 776 |
&& (xevent.xclient.data.l[0] == kill_atom)) |
| 777 |
/* Quit */ |
| 778 |
return 0; |
| 779 |
break; |
| 780 |
|
| 781 |
case KeyPress: |
| 782 |
if (IC != NULL) |
| 783 |
/* Multi_key compatible version */ |
| 784 |
{ |
| 785 |
XmbLookupString(IC, |
| 786 |
(XKeyPressedEvent *) & |
| 787 |
xevent, str, sizeof(str), &keysym, &status); |
| 788 |
if (!((status == XLookupKeySym) || (status == XLookupBoth))) |
| 789 |
{ |
| 790 |
error("XmbLookupString failed with status 0x%x\n", |
| 791 |
status); |
| 792 |
break; |
| 793 |
} |
| 794 |
} |
| 795 |
else |
| 796 |
{ |
| 797 |
/* Plain old XLookupString */ |
| 798 |
DEBUG_KBD(("\nNo input context, using XLookupString\n")); |
| 799 |
XLookupString((XKeyEvent *) & xevent, |
| 800 |
str, sizeof(str), &keysym, NULL); |
| 801 |
} |
| 802 |
|
| 803 |
DEBUG_KBD(("KeyPress for (keysym 0x%lx, %s)\n", keysym, |
| 804 |
get_ksname(keysym))); |
| 805 |
|
| 806 |
ev_time = time(NULL); |
| 807 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, True)) |
| 808 |
break; |
| 809 |
|
| 810 |
tr = xkeymap_translate_key(keysym, |
| 811 |
xevent.xkey.keycode, xevent.xkey.state); |
| 812 |
|
| 813 |
if (tr.scancode == 0) |
| 814 |
break; |
| 815 |
|
| 816 |
ensure_remote_modifiers(ev_time, tr); |
| 817 |
|
| 818 |
rdp_send_scancode(ev_time, RDP_KEYPRESS, tr.scancode); |
| 819 |
break; |
| 820 |
|
| 821 |
case KeyRelease: |
| 822 |
XLookupString((XKeyEvent *) & xevent, str, |
| 823 |
sizeof(str), &keysym, NULL); |
| 824 |
|
| 825 |
DEBUG_KBD(("\nKeyRelease for (keysym 0x%lx, %s)\n", keysym, |
| 826 |
get_ksname(keysym))); |
| 827 |
|
| 828 |
ev_time = time(NULL); |
| 829 |
if (handle_special_keys(keysym, xevent.xkey.state, ev_time, False)) |
| 830 |
break; |
| 831 |
|
| 832 |
tr = xkeymap_translate_key(keysym, |
| 833 |
xevent.xkey.keycode, xevent.xkey.state); |
| 834 |
|
| 835 |
if (tr.scancode == 0) |
| 836 |
break; |
| 837 |
|
| 838 |
rdp_send_scancode(ev_time, RDP_KEYRELEASE, tr.scancode); |
| 839 |
break; |
| 840 |
|
| 841 |
case ButtonPress: |
| 842 |
flags = MOUSE_FLAG_DOWN; |
| 843 |
/* fall through */ |
| 844 |
|
| 845 |
case ButtonRelease: |
| 846 |
button = xkeymap_translate_button(xevent.xbutton.button); |
| 847 |
if (button == 0) |
| 848 |
break; |
| 849 |
|
| 850 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
| 851 |
flags | button, xevent.xbutton.x, xevent.xbutton.y); |
| 852 |
break; |
| 853 |
|
| 854 |
case MotionNotify: |
| 855 |
if (fullscreen && !focused) |
| 856 |
XSetInputFocus(display, wnd, RevertToPointerRoot, |
| 857 |
CurrentTime); |
| 858 |
rdp_send_input(time(NULL), RDP_INPUT_MOUSE, |
| 859 |
MOUSE_FLAG_MOVE, xevent.xmotion.x, xevent.xmotion.y); |
| 860 |
break; |
| 861 |
|
| 862 |
case FocusIn: |
| 863 |
if (xevent.xfocus.mode == NotifyGrab) |
| 864 |
break; |
| 865 |
focused = True; |
| 866 |
XQueryPointer(display, wnd, &wdummy, &wdummy, &dummy, &dummy, |
| 867 |
&dummy, &dummy, &state); |
| 868 |
reset_modifier_keys(state); |
| 869 |
if (grab_keyboard && mouse_in_wnd) |
| 870 |
XGrabKeyboard(display, wnd, True, |
| 871 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
| 872 |
break; |
| 873 |
|
| 874 |
case FocusOut: |
| 875 |
if (xevent.xfocus.mode == NotifyUngrab) |
| 876 |
break; |
| 877 |
focused = False; |
| 878 |
if (xevent.xfocus.mode == NotifyWhileGrabbed) |
| 879 |
XUngrabKeyboard(display, CurrentTime); |
| 880 |
break; |
| 881 |
|
| 882 |
case EnterNotify: |
| 883 |
/* we only register for this event when in fullscreen mode */ |
| 884 |
/* or grab_keyboard */ |
| 885 |
mouse_in_wnd = True; |
| 886 |
if (fullscreen) |
| 887 |
{ |
| 888 |
XSetInputFocus(display, wnd, RevertToPointerRoot, |
| 889 |
CurrentTime); |
| 890 |
break; |
| 891 |
} |
| 892 |
if (focused) |
| 893 |
XGrabKeyboard(display, wnd, True, |
| 894 |
GrabModeAsync, GrabModeAsync, CurrentTime); |
| 895 |
break; |
| 896 |
|
| 897 |
case LeaveNotify: |
| 898 |
/* we only register for this event when grab_keyboard */ |
| 899 |
mouse_in_wnd = False; |
| 900 |
XUngrabKeyboard(display, CurrentTime); |
| 901 |
break; |
| 902 |
|
| 903 |
case Expose: |
| 904 |
XCopyArea(display, backstore, wnd, gc, |
| 905 |
xevent.xexpose.x, xevent.xexpose.y, |
| 906 |
xevent.xexpose.width, |
| 907 |
xevent.xexpose.height, |
| 908 |
xevent.xexpose.x, xevent.xexpose.y); |
| 909 |
break; |
| 910 |
|
| 911 |
case MappingNotify: |
| 912 |
/* Refresh keyboard mapping if it has changed. This is important for |
| 913 |
Xvnc, since it allocates keycodes dynamically */ |
| 914 |
if (xevent.xmapping.request == MappingKeyboard |
| 915 |
|| xevent.xmapping.request == MappingModifier) |
| 916 |
XRefreshKeyboardMapping(&xevent.xmapping); |
| 917 |
|
| 918 |
if (xevent.xmapping.request == MappingModifier) |
| 919 |
{ |
| 920 |
XFreeModifiermap(mod_map); |
| 921 |
mod_map = XGetModifierMapping(display); |
| 922 |
} |
| 923 |
break; |
| 924 |
|
| 925 |
} |
| 926 |
} |
| 927 |
/* Keep going */ |
| 928 |
return 1; |
| 929 |
} |
| 930 |
|
| 931 |
/* Returns 0 after user quit, 1 otherwise */ |
| 932 |
int |
| 933 |
ui_select(int rdp_socket) |
| 934 |
{ |
| 935 |
int n = (rdp_socket > x_socket) ? rdp_socket + 1 : x_socket + 1; |
| 936 |
fd_set rfds; |
| 937 |
|
| 938 |
FD_ZERO(&rfds); |
| 939 |
|
| 940 |
while (True) |
| 941 |
{ |
| 942 |
/* Process any events already waiting */ |
| 943 |
if (!xwin_process_events()) |
| 944 |
/* User quit */ |
| 945 |
return 0; |
| 946 |
|
| 947 |
FD_ZERO(&rfds); |
| 948 |
FD_SET(rdp_socket, &rfds); |
| 949 |
FD_SET(x_socket, &rfds); |
| 950 |
|
| 951 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
| 952 |
{ |
| 953 |
case -1: |
| 954 |
error("select: %s\n", strerror(errno)); |
| 955 |
|
| 956 |
case 0: |
| 957 |
continue; |
| 958 |
} |
| 959 |
|
| 960 |
if (FD_ISSET(rdp_socket, &rfds)) |
| 961 |
return 1; |
| 962 |
} |
| 963 |
} |
| 964 |
|
| 965 |
void |
| 966 |
ui_move_pointer(int x, int y) |
| 967 |
{ |
| 968 |
XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
| 969 |
} |
| 970 |
|
| 971 |
HBITMAP |
| 972 |
ui_create_bitmap(int width, int height, uint8 * data) |
| 973 |
{ |
| 974 |
XImage *image; |
| 975 |
Pixmap bitmap; |
| 976 |
uint8 *tdata; |
| 977 |
|
| 978 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
| 979 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
| 980 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
| 981 |
(char *) tdata, width, height, server_bpp == 8 ? 8 : bpp, 0); |
| 982 |
|
| 983 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
| 984 |
|
| 985 |
XFree(image); |
| 986 |
if (!owncolmap) |
| 987 |
xfree(tdata); |
| 988 |
return (HBITMAP) bitmap; |
| 989 |
} |
| 990 |
|
| 991 |
void |
| 992 |
ui_paint_bitmap(int x, int y, int cx, int cy, int width, int height, uint8 * data) |
| 993 |
{ |
| 994 |
XImage *image; |
| 995 |
uint8 *tdata; |
| 996 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
| 997 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
| 998 |
(char *) tdata, width, height, server_bpp == 8 ? 8 : bpp, 0); |
| 999 |
|
| 1000 |
if (ownbackstore) |
| 1001 |
{ |
| 1002 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
| 1003 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
| 1004 |
} |
| 1005 |
else |
| 1006 |
{ |
| 1007 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
| 1008 |
} |
| 1009 |
|
| 1010 |
XFree(image); |
| 1011 |
if (!owncolmap) |
| 1012 |
xfree(tdata); |
| 1013 |
} |
| 1014 |
|
| 1015 |
void |
| 1016 |
ui_destroy_bitmap(HBITMAP bmp) |
| 1017 |
{ |
| 1018 |
XFreePixmap(display, (Pixmap) bmp); |
| 1019 |
} |
| 1020 |
|
| 1021 |
HGLYPH |
| 1022 |
ui_create_glyph(int width, int height, uint8 * data) |
| 1023 |
{ |
| 1024 |
XImage *image; |
| 1025 |
Pixmap bitmap; |
| 1026 |
int scanline; |
| 1027 |
GC gc; |
| 1028 |
|
| 1029 |
scanline = (width + 7) / 8; |
| 1030 |
|
| 1031 |
bitmap = XCreatePixmap(display, wnd, width, height, 1); |
| 1032 |
gc = XCreateGC(display, bitmap, 0, NULL); |
| 1033 |
|
| 1034 |
image = XCreateImage(display, visual, 1, ZPixmap, 0, (char *) data, |
| 1035 |
width, height, 8, scanline); |
| 1036 |
image->byte_order = MSBFirst; |
| 1037 |
image->bitmap_bit_order = MSBFirst; |
| 1038 |
XInitImage(image); |
| 1039 |
|
| 1040 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
| 1041 |
|
| 1042 |
XFree(image); |
| 1043 |
XFreeGC(display, gc); |
| 1044 |
return (HGLYPH) bitmap; |
| 1045 |
} |
| 1046 |
|
| 1047 |
void |
| 1048 |
ui_destroy_glyph(HGLYPH glyph) |
| 1049 |
{ |
| 1050 |
XFreePixmap(display, (Pixmap) glyph); |
| 1051 |
} |
| 1052 |
|
| 1053 |
HCURSOR |
| 1054 |
ui_create_cursor(unsigned int x, unsigned int y, int width, int height, |
| 1055 |
uint8 * andmask, uint8 * xormask) |
| 1056 |
{ |
| 1057 |
HGLYPH maskglyph, cursorglyph; |
| 1058 |
XColor bg, fg; |
| 1059 |
Cursor xcursor; |
| 1060 |
uint8 *cursor, *pcursor; |
| 1061 |
uint8 *mask, *pmask; |
| 1062 |
uint8 nextbit; |
| 1063 |
int scanline, offset; |
| 1064 |
int i, j; |
| 1065 |
|
| 1066 |
scanline = (width + 7) / 8; |
| 1067 |
offset = scanline * height; |
| 1068 |
|
| 1069 |
cursor = xmalloc(offset); |
| 1070 |
memset(cursor, 0, offset); |
| 1071 |
|
| 1072 |
mask = xmalloc(offset); |
| 1073 |
memset(mask, 0, offset); |
| 1074 |
|
| 1075 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
| 1076 |
for (i = 0; i < height; i++) |
| 1077 |
{ |
| 1078 |
offset -= scanline; |
| 1079 |
pcursor = &cursor[offset]; |
| 1080 |
pmask = &mask[offset]; |
| 1081 |
|
| 1082 |
for (j = 0; j < scanline; j++) |
| 1083 |
{ |
| 1084 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
| 1085 |
{ |
| 1086 |
if (xormask[0] || xormask[1] || xormask[2]) |
| 1087 |
{ |
| 1088 |
*pcursor |= (~(*andmask) & nextbit); |
| 1089 |
*pmask |= nextbit; |
| 1090 |
} |
| 1091 |
else |
| 1092 |
{ |
| 1093 |
*pcursor |= ((*andmask) & nextbit); |
| 1094 |
*pmask |= (~(*andmask) & nextbit); |
| 1095 |
} |
| 1096 |
|
| 1097 |
xormask += 3; |
| 1098 |
} |
| 1099 |
|
| 1100 |
andmask++; |
| 1101 |
pcursor++; |
| 1102 |
pmask++; |
| 1103 |
} |
| 1104 |
} |
| 1105 |
|
| 1106 |
fg.red = fg.blue = fg.green = 0xffff; |
| 1107 |
bg.red = bg.blue = bg.green = 0x0000; |
| 1108 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
| 1109 |
|
| 1110 |
cursorglyph = ui_create_glyph(width, height, cursor); |
| 1111 |
maskglyph = ui_create_glyph(width, height, mask); |
| 1112 |
|
| 1113 |
xcursor = |
| 1114 |
XCreatePixmapCursor(display, (Pixmap) cursorglyph, |
| 1115 |
(Pixmap) maskglyph, &fg, &bg, x, y); |
| 1116 |
|
| 1117 |
ui_destroy_glyph(maskglyph); |
| 1118 |
ui_destroy_glyph(cursorglyph); |
| 1119 |
xfree(mask); |
| 1120 |
xfree(cursor); |
| 1121 |
return (HCURSOR) xcursor; |
| 1122 |
} |
| 1123 |
|
| 1124 |
void |
| 1125 |
ui_set_cursor(HCURSOR cursor) |
| 1126 |
{ |
| 1127 |
current_cursor = (Cursor) cursor; |
| 1128 |
XDefineCursor(display, wnd, current_cursor); |
| 1129 |
} |
| 1130 |
|
| 1131 |
void |
| 1132 |
ui_destroy_cursor(HCURSOR cursor) |
| 1133 |
{ |
| 1134 |
XFreeCursor(display, (Cursor) cursor); |
| 1135 |
} |
| 1136 |
|
| 1137 |
#define MAKE_XCOLOR(xc,c) \ |
| 1138 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
| 1139 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
| 1140 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
| 1141 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
| 1142 |
|
| 1143 |
|
| 1144 |
HCOLOURMAP |
| 1145 |
ui_create_colourmap(COLOURMAP * colours) |
| 1146 |
{ |
| 1147 |
COLOURENTRY *entry; |
| 1148 |
int i, ncolours = colours->ncolours; |
| 1149 |
if (!owncolmap) |
| 1150 |
{ |
| 1151 |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
| 1152 |
XColor xentry; |
| 1153 |
XColor xc_cache[256]; |
| 1154 |
uint32 colour; |
| 1155 |
int colLookup = 256; |
| 1156 |
for (i = 0; i < ncolours; i++) |
| 1157 |
{ |
| 1158 |
entry = &colours->colours[i]; |
| 1159 |
MAKE_XCOLOR(&xentry, entry); |
| 1160 |
|
| 1161 |
if (XAllocColor(display, xcolmap, &xentry) == 0) |
| 1162 |
{ |
| 1163 |
/* Allocation failed, find closest match. */ |
| 1164 |
int j = 256; |
| 1165 |
int nMinDist = 3 * 256 * 256; |
| 1166 |
long nDist = nMinDist; |
| 1167 |
|
| 1168 |
/* only get the colors once */ |
| 1169 |
while (colLookup--) |
| 1170 |
{ |
| 1171 |
xc_cache[colLookup].pixel = colLookup; |
| 1172 |
xc_cache[colLookup].red = xc_cache[colLookup].green = |
| 1173 |
xc_cache[colLookup].blue = 0; |
| 1174 |
xc_cache[colLookup].flags = 0; |
| 1175 |
XQueryColor(display, |
| 1176 |
DefaultColormap(display, |
| 1177 |
DefaultScreen(display)), |
| 1178 |
&xc_cache[colLookup]); |
| 1179 |
} |
| 1180 |
colLookup = 0; |
| 1181 |
|
| 1182 |
/* approximate the pixel */ |
| 1183 |
while (j--) |
| 1184 |
{ |
| 1185 |
if (xc_cache[j].flags) |
| 1186 |
{ |
| 1187 |
nDist = ((long) (xc_cache[j].red >> 8) - |
| 1188 |
(long) (xentry.red >> 8)) * |
| 1189 |
((long) (xc_cache[j].red >> 8) - |
| 1190 |
(long) (xentry.red >> 8)) + |
| 1191 |
((long) (xc_cache[j].green >> 8) - |
| 1192 |
(long) (xentry.green >> 8)) * |
| 1193 |
((long) (xc_cache[j].green >> 8) - |
| 1194 |
(long) (xentry.green >> 8)) + |
| 1195 |
((long) (xc_cache[j].blue >> 8) - |
| 1196 |
(long) (xentry.blue >> 8)) * |
| 1197 |
((long) (xc_cache[j].blue >> 8) - |
| 1198 |
(long) (xentry.blue >> 8)); |
| 1199 |
} |
| 1200 |
if (nDist < nMinDist) |
| 1201 |
{ |
| 1202 |
nMinDist = nDist; |
| 1203 |
xentry.pixel = j; |
| 1204 |
} |
| 1205 |
} |
| 1206 |
} |
| 1207 |
colour = xentry.pixel; |
| 1208 |
|
| 1209 |
/* update our cache */ |
| 1210 |
if (xentry.pixel < 256) |
| 1211 |
{ |
| 1212 |
xc_cache[xentry.pixel].red = xentry.red; |
| 1213 |
xc_cache[xentry.pixel].green = xentry.green; |
| 1214 |
xc_cache[xentry.pixel].blue = xentry.blue; |
| 1215 |
|
| 1216 |
} |
| 1217 |
|
| 1218 |
|
| 1219 |
/* byte swap here to make translate_image faster */ |
| 1220 |
map[i] = translate_colour(colour); |
| 1221 |
} |
| 1222 |
return map; |
| 1223 |
} |
| 1224 |
else |
| 1225 |
{ |
| 1226 |
XColor *xcolours, *xentry; |
| 1227 |
Colormap map; |
| 1228 |
|
| 1229 |
xcolours = xmalloc(sizeof(XColor) * ncolours); |
| 1230 |
for (i = 0; i < ncolours; i++) |
| 1231 |
{ |
| 1232 |
entry = &colours->colours[i]; |
| 1233 |
xentry = &xcolours[i]; |
| 1234 |
xentry->pixel = i; |
| 1235 |
MAKE_XCOLOR(xentry, entry); |
| 1236 |
} |
| 1237 |
|
| 1238 |
map = XCreateColormap(display, wnd, visual, AllocAll); |
| 1239 |
XStoreColors(display, map, xcolours, ncolours); |
| 1240 |
|
| 1241 |
xfree(xcolours); |
| 1242 |
return (HCOLOURMAP) map; |
| 1243 |
} |
| 1244 |
} |
| 1245 |
|
| 1246 |
void |
| 1247 |
ui_destroy_colourmap(HCOLOURMAP map) |
| 1248 |
{ |
| 1249 |
if (!owncolmap) |
| 1250 |
xfree(map); |
| 1251 |
else |
| 1252 |
XFreeColormap(display, (Colormap) map); |
| 1253 |
} |
| 1254 |
|
| 1255 |
void |
| 1256 |
ui_set_colourmap(HCOLOURMAP map) |
| 1257 |
{ |
| 1258 |
if (!owncolmap) |
| 1259 |
colmap = map; |
| 1260 |
else |
| 1261 |
XSetWindowColormap(display, wnd, (Colormap) map); |
| 1262 |
} |
| 1263 |
|
| 1264 |
void |
| 1265 |
ui_set_clip(int x, int y, int cx, int cy) |
| 1266 |
{ |
| 1267 |
XRectangle rect; |
| 1268 |
|
| 1269 |
rect.x = x; |
| 1270 |
rect.y = y; |
| 1271 |
rect.width = cx; |
| 1272 |
rect.height = cy; |
| 1273 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
| 1274 |
} |
| 1275 |
|
| 1276 |
void |
| 1277 |
ui_reset_clip(void) |
| 1278 |
{ |
| 1279 |
XRectangle rect; |
| 1280 |
|
| 1281 |
rect.x = 0; |
| 1282 |
rect.y = 0; |
| 1283 |
rect.width = width; |
| 1284 |
rect.height = height; |
| 1285 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
| 1286 |
} |
| 1287 |
|
| 1288 |
void |
| 1289 |
ui_bell(void) |
| 1290 |
{ |
| 1291 |
XBell(display, 0); |
| 1292 |
} |
| 1293 |
|
| 1294 |
void |
| 1295 |
ui_destblt(uint8 opcode, |
| 1296 |
/* dest */ int x, int y, int cx, int cy) |
| 1297 |
{ |
| 1298 |
SET_FUNCTION(opcode); |
| 1299 |
FILL_RECTANGLE(x, y, cx, cy); |
| 1300 |
RESET_FUNCTION(opcode); |
| 1301 |
} |
| 1302 |
|
| 1303 |
void |
| 1304 |
ui_patblt(uint8 opcode, |
| 1305 |
/* dest */ int x, int y, int cx, int cy, |
| 1306 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
| 1307 |
{ |
| 1308 |
Pixmap fill; |
| 1309 |
uint8 i, ipattern[8]; |
| 1310 |
|
| 1311 |
SET_FUNCTION(opcode); |
| 1312 |
|
| 1313 |
switch (brush->style) |
| 1314 |
{ |
| 1315 |
case 0: /* Solid */ |
| 1316 |
SET_FOREGROUND(fgcolour); |
| 1317 |
FILL_RECTANGLE(x, y, cx, cy); |
| 1318 |
break; |
| 1319 |
|
| 1320 |
case 3: /* Pattern */ |
| 1321 |
for (i = 0; i != 8; i++) |
| 1322 |
ipattern[7 - i] = brush->pattern[i]; |
| 1323 |
fill = (Pixmap) ui_create_glyph(8, 8, ipattern); |
| 1324 |
|
| 1325 |
SET_FOREGROUND(bgcolour); |
| 1326 |
SET_BACKGROUND(fgcolour); |
| 1327 |
XSetFillStyle(display, gc, FillOpaqueStippled); |
| 1328 |
XSetStipple(display, gc, fill); |
| 1329 |
XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin); |
| 1330 |
|
| 1331 |
FILL_RECTANGLE(x, y, cx, cy); |
| 1332 |
|
| 1333 |
XSetFillStyle(display, gc, FillSolid); |
| 1334 |
XSetTSOrigin(display, gc, 0, 0); |
| 1335 |
ui_destroy_glyph((HGLYPH) fill); |
| 1336 |
break; |
| 1337 |
|
| 1338 |
default: |
| 1339 |
unimpl("brush %d\n", brush->style); |
| 1340 |
} |
| 1341 |
|
| 1342 |
RESET_FUNCTION(opcode); |
| 1343 |
} |
| 1344 |
|
| 1345 |
void |
| 1346 |
ui_screenblt(uint8 opcode, |
| 1347 |
/* dest */ int x, int y, int cx, int cy, |
| 1348 |
/* src */ int srcx, int srcy) |
| 1349 |
{ |
| 1350 |
SET_FUNCTION(opcode); |
| 1351 |
XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y); |
| 1352 |
if (ownbackstore) |
| 1353 |
XCopyArea(display, backstore, backstore, gc, srcx, srcy, cx, cy, x, y); |
| 1354 |
RESET_FUNCTION(opcode); |
| 1355 |
} |
| 1356 |
|
| 1357 |
void |
| 1358 |
ui_memblt(uint8 opcode, |
| 1359 |
/* dest */ int x, int y, int cx, int cy, |
| 1360 |
/* src */ HBITMAP src, int srcx, int srcy) |
| 1361 |
{ |
| 1362 |
SET_FUNCTION(opcode); |
| 1363 |
XCopyArea(display, (Pixmap) src, wnd, gc, srcx, srcy, cx, cy, x, y); |
| 1364 |
if (ownbackstore) |
| 1365 |
XCopyArea(display, (Pixmap) src, backstore, gc, srcx, srcy, cx, cy, x, y); |
| 1366 |
RESET_FUNCTION(opcode); |
| 1367 |
} |
| 1368 |
|
| 1369 |
void |
| 1370 |
ui_triblt(uint8 opcode, |
| 1371 |
/* dest */ int x, int y, int cx, int cy, |
| 1372 |
/* src */ HBITMAP src, int srcx, int srcy, |
| 1373 |
/* brush */ BRUSH * brush, int bgcolour, int fgcolour) |
| 1374 |
{ |
| 1375 |
/* This is potentially difficult to do in general. Until someone |
| 1376 |
comes up with a more efficient way of doing it I am using cases. */ |
| 1377 |
|
| 1378 |
switch (opcode) |
| 1379 |
{ |
| 1380 |
case 0x69: /* PDSxxn */ |
| 1381 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
| 1382 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
| 1383 |
break; |
| 1384 |
|
| 1385 |
case 0xb8: /* PSDPxax */ |
| 1386 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
| 1387 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
| 1388 |
ui_patblt(ROP2_XOR, x, y, cx, cy, brush, bgcolour, fgcolour); |
| 1389 |
break; |
| 1390 |
|
| 1391 |
case 0xc0: /* PSa */ |
| 1392 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
| 1393 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, fgcolour); |
| 1394 |
break; |
| 1395 |
|
| 1396 |
default: |
| 1397 |
unimpl("triblt 0x%x\n", opcode); |
| 1398 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
| 1399 |
} |
| 1400 |
} |
| 1401 |
|
| 1402 |
void |
| 1403 |
ui_line(uint8 opcode, |
| 1404 |
/* dest */ int startx, int starty, int endx, int endy, |
| 1405 |
/* pen */ PEN * pen) |
| 1406 |
{ |
| 1407 |
SET_FUNCTION(opcode); |
| 1408 |
SET_FOREGROUND(pen->colour); |
| 1409 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
| 1410 |
if (ownbackstore) |
| 1411 |
XDrawLine(display, backstore, gc, startx, starty, endx, endy); |
| 1412 |
RESET_FUNCTION(opcode); |
| 1413 |
} |
| 1414 |
|
| 1415 |
void |
| 1416 |
ui_rect( |
| 1417 |
/* dest */ int x, int y, int cx, int cy, |
| 1418 |
/* brush */ int colour) |
| 1419 |
{ |
| 1420 |
SET_FOREGROUND(colour); |
| 1421 |
FILL_RECTANGLE(x, y, cx, cy); |
| 1422 |
} |
| 1423 |
|
| 1424 |
/* warning, this function only draws on wnd or backstore, not both */ |
| 1425 |
void |
| 1426 |
ui_draw_glyph(int mixmode, |
| 1427 |
/* dest */ int x, int y, int cx, int cy, |
| 1428 |
/* src */ HGLYPH glyph, int srcx, int srcy, |
| 1429 |
int bgcolour, int fgcolour) |
| 1430 |
{ |
| 1431 |
SET_FOREGROUND(fgcolour); |
| 1432 |
SET_BACKGROUND(bgcolour); |
| 1433 |
|
| 1434 |
XSetFillStyle(display, gc, |
| 1435 |
(mixmode == MIX_TRANSPARENT) ? FillStippled : FillOpaqueStippled); |
| 1436 |
XSetStipple(display, gc, (Pixmap) glyph); |
| 1437 |
XSetTSOrigin(display, gc, x, y); |
| 1438 |
|
| 1439 |
FILL_RECTANGLE_BACKSTORE(x, y, cx, cy); |
| 1440 |
|
| 1441 |
XSetFillStyle(display, gc, FillSolid); |
| 1442 |
} |
| 1443 |
|
| 1444 |
#define DO_GLYPH(ttext,idx) \ |
| 1445 |
{\ |
| 1446 |
glyph = cache_get_font (font, ttext[idx]);\ |
| 1447 |
if (!(flags & TEXT2_IMPLICIT_X))\ |
| 1448 |
{\ |
| 1449 |
xyoffset = ttext[++idx];\ |
| 1450 |
if ((xyoffset & 0x80))\ |
| 1451 |
{\ |
| 1452 |
if (flags & TEXT2_VERTICAL) \ |
| 1453 |
y += ttext[idx+1] | (ttext[idx+2] << 8);\ |
| 1454 |
else\ |
| 1455 |
x += ttext[idx+1] | (ttext[idx+2] << 8);\ |
| 1456 |
idx += 2;\ |
| 1457 |
}\ |
| 1458 |
else\ |
| 1459 |
{\ |
| 1460 |
if (flags & TEXT2_VERTICAL) \ |
| 1461 |
y += xyoffset;\ |
| 1462 |
else\ |
| 1463 |
x += xyoffset;\ |
| 1464 |
}\ |
| 1465 |
}\ |
| 1466 |
if (glyph != NULL)\ |
| 1467 |
{\ |
| 1468 |
ui_draw_glyph (mixmode, x + glyph->offset,\ |
| 1469 |
y + glyph->baseline,\ |
| 1470 |
glyph->width, glyph->height,\ |
| 1471 |
glyph->pixmap, 0, 0, bgcolour, fgcolour);\ |
| 1472 |
if (flags & TEXT2_IMPLICIT_X)\ |
| 1473 |
x += glyph->width;\ |
| 1474 |
}\ |
| 1475 |
} |
| 1476 |
|
| 1477 |
void |
| 1478 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
| 1479 |
int clipx, int clipy, int clipcx, int clipcy, |
| 1480 |
int boxx, int boxy, int boxcx, int boxcy, int bgcolour, |
| 1481 |
int fgcolour, uint8 * text, uint8 length) |
| 1482 |
{ |
| 1483 |
FONTGLYPH *glyph; |
| 1484 |
int i, j, xyoffset; |
| 1485 |
DATABLOB *entry; |
| 1486 |
|
| 1487 |
SET_FOREGROUND(bgcolour); |
| 1488 |
|
| 1489 |
if (boxcx > 1) |
| 1490 |
{ |
| 1491 |
FILL_RECTANGLE_BACKSTORE(boxx, boxy, boxcx, boxcy); |
| 1492 |
} |
| 1493 |
else if (mixmode == MIX_OPAQUE) |
| 1494 |
{ |
| 1495 |
FILL_RECTANGLE_BACKSTORE(clipx, clipy, clipcx, clipcy); |
| 1496 |
} |
| 1497 |
|
| 1498 |
/* Paint text, character by character */ |
| 1499 |
for (i = 0; i < length;) |
| 1500 |
{ |
| 1501 |
switch (text[i]) |
| 1502 |
{ |
| 1503 |
case 0xff: |
| 1504 |
if (i + 2 < length) |
| 1505 |
cache_put_text(text[i + 1], text, text[i + 2]); |
| 1506 |
else |
| 1507 |
{ |
| 1508 |
error("this shouldn't be happening\n"); |
| 1509 |
exit(1); |
| 1510 |
} |
| 1511 |
/* this will move pointer from start to first character after FF command */ |
| 1512 |
length -= i + 3; |
| 1513 |
text = &(text[i + 3]); |
| 1514 |
i = 0; |
| 1515 |
break; |
| 1516 |
|
| 1517 |
case 0xfe: |
| 1518 |
entry = cache_get_text(text[i + 1]); |
| 1519 |
if (entry != NULL) |
| 1520 |
{ |
| 1521 |
if ((((uint8 *) (entry->data))[1] == |
| 1522 |
0) && (!(flags & TEXT2_IMPLICIT_X))) |
| 1523 |
{ |
| 1524 |
if (flags & TEXT2_VERTICAL) |
| 1525 |
y += text[i + 2]; |
| 1526 |
else |
| 1527 |
x += text[i + 2]; |
| 1528 |
} |
| 1529 |
for (j = 0; j < entry->size; j++) |
| 1530 |
DO_GLYPH(((uint8 *) (entry->data)), j); |
| 1531 |
} |
| 1532 |
if (i + 2 < length) |
| 1533 |
i += 3; |
| 1534 |
else |
| 1535 |
i += 2; |
| 1536 |
length -= i; |
| 1537 |
/* this will move pointer from start to first character after FE command */ |
| 1538 |
text = &(text[i]); |
| 1539 |
i = 0; |
| 1540 |
break; |
| 1541 |
|
| 1542 |
default: |
| 1543 |
DO_GLYPH(text, i); |
| 1544 |
i++; |
| 1545 |
break; |
| 1546 |
} |
| 1547 |
} |
| 1548 |
if (ownbackstore) |
| 1549 |
{ |
| 1550 |
if (boxcx > 1) |
| 1551 |
XCopyArea(display, backstore, wnd, gc, boxx, |
| 1552 |
boxy, boxcx, boxcy, boxx, boxy); |
| 1553 |
else |
| 1554 |
XCopyArea(display, backstore, wnd, gc, clipx, |
| 1555 |
clipy, clipcx, clipcy, clipx, clipy); |
| 1556 |
} |
| 1557 |
} |
| 1558 |
|
| 1559 |
void |
| 1560 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
| 1561 |
{ |
| 1562 |
Pixmap pix; |
| 1563 |
XImage *image; |
| 1564 |
|
| 1565 |
if (ownbackstore) |
| 1566 |
{ |
| 1567 |
image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, ZPixmap); |
| 1568 |
} |
| 1569 |
else |
| 1570 |
{ |
| 1571 |
pix = XCreatePixmap(display, wnd, cx, cy, depth); |
| 1572 |
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0); |
| 1573 |
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, ZPixmap); |
| 1574 |
XFreePixmap(display, pix); |
| 1575 |
} |
| 1576 |
|
| 1577 |
offset *= bpp / 8; |
| 1578 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, bpp / 8, (uint8 *) image->data); |
| 1579 |
|
| 1580 |
XDestroyImage(image); |
| 1581 |
} |
| 1582 |
|
| 1583 |
void |
| 1584 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
| 1585 |
{ |
| 1586 |
XImage *image; |
| 1587 |
uint8 *data; |
| 1588 |
|
| 1589 |
offset *= bpp / 8; |
| 1590 |
data = cache_get_desktop(offset, cx, cy, bpp / 8); |
| 1591 |
if (data == NULL) |
| 1592 |
return; |
| 1593 |
|
| 1594 |
image = XCreateImage(display, visual, depth, ZPixmap, 0, |
| 1595 |
(char *) data, cx, cy, BitmapPad(display), cx * bpp / 8); |
| 1596 |
|
| 1597 |
if (ownbackstore) |
| 1598 |
{ |
| 1599 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
| 1600 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
| 1601 |
} |
| 1602 |
else |
| 1603 |
{ |
| 1604 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
| 1605 |
} |
| 1606 |
|
| 1607 |
XFree(image); |
| 1608 |
} |
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