| 1 |
/* |
| 2 |
rdesktop: A Remote Desktop Protocol client. |
| 3 |
User interface services - X-Windows |
| 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 |
|
| 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 |
|
| 32 |
static Display *display; |
| 33 |
static int x_socket; |
| 34 |
static Window wnd; |
| 35 |
static GC gc; |
| 36 |
static Visual *visual; |
| 37 |
static int depth; |
| 38 |
static int bpp; |
| 39 |
|
| 40 |
/* endianness */ |
| 41 |
static BOOL host_be; |
| 42 |
static BOOL xserver_be; |
| 43 |
|
| 44 |
/* software backing store */ |
| 45 |
static BOOL ownbackstore; |
| 46 |
static Pixmap backstore; |
| 47 |
|
| 48 |
#define FILL_RECTANGLE(x,y,cx,cy)\ |
| 49 |
{ \ |
| 50 |
XFillRectangle(display, wnd, gc, x, y, cx, cy); \ |
| 51 |
if (ownbackstore) \ |
| 52 |
XFillRectangle(display, backstore, gc, x, y, cx, cy); \ |
| 53 |
} |
| 54 |
|
| 55 |
/* colour maps */ |
| 56 |
static BOOL owncolmap; |
| 57 |
static Colormap xcolmap; |
| 58 |
static uint32 white; |
| 59 |
static uint32 *colmap; |
| 60 |
|
| 61 |
#define TRANSLATE(col) ( owncolmap ? col : translate_colour(colmap[col]) ) |
| 62 |
#define SET_FOREGROUND(col) XSetForeground(display, gc, TRANSLATE(col)); |
| 63 |
#define SET_BACKGROUND(col) XSetBackground(display, gc, TRANSLATE(col)); |
| 64 |
|
| 65 |
static int rop2_map[] = { |
| 66 |
GXclear, /* 0 */ |
| 67 |
GXnor, /* DPon */ |
| 68 |
GXandInverted, /* DPna */ |
| 69 |
GXcopyInverted, /* Pn */ |
| 70 |
GXandReverse, /* PDna */ |
| 71 |
GXinvert, /* Dn */ |
| 72 |
GXxor, /* DPx */ |
| 73 |
GXnand, /* DPan */ |
| 74 |
GXand, /* DPa */ |
| 75 |
GXequiv, /* DPxn */ |
| 76 |
GXnoop, /* D */ |
| 77 |
GXorInverted, /* DPno */ |
| 78 |
GXcopy, /* P */ |
| 79 |
GXorReverse, /* PDno */ |
| 80 |
GXor, /* DPo */ |
| 81 |
GXset /* 1 */ |
| 82 |
}; |
| 83 |
|
| 84 |
#define SET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, rop2_map[rop2]); } |
| 85 |
#define RESET_FUNCTION(rop2) { if (rop2 != ROP2_COPY) XSetFunction(display, gc, GXcopy); } |
| 86 |
|
| 87 |
static void |
| 88 |
translate8(uint8 *data, uint8 *out, uint8 *end) |
| 89 |
{ |
| 90 |
while (out < end) |
| 91 |
*(out++) = (uint8)colmap[*(data++)]; |
| 92 |
} |
| 93 |
|
| 94 |
static void |
| 95 |
translate16(uint8 *data, uint16 *out, uint16 *end) |
| 96 |
{ |
| 97 |
while (out < end) |
| 98 |
*(out++) = (uint16)colmap[*(data++)]; |
| 99 |
} |
| 100 |
|
| 101 |
/* little endian - conversion happens when colourmap is built */ |
| 102 |
static void |
| 103 |
translate24(uint8 *data, uint8 *out, uint8 *end) |
| 104 |
{ |
| 105 |
uint32 value; |
| 106 |
|
| 107 |
while (out < end) |
| 108 |
{ |
| 109 |
value = colmap[*(data++)]; |
| 110 |
*(out++) = value; |
| 111 |
*(out++) = value >> 8; |
| 112 |
*(out++) = value >> 16; |
| 113 |
} |
| 114 |
} |
| 115 |
|
| 116 |
static void |
| 117 |
translate32(uint8 *data, uint32 *out, uint32 *end) |
| 118 |
{ |
| 119 |
while (out < end) |
| 120 |
*(out++) = colmap[*(data++)]; |
| 121 |
} |
| 122 |
|
| 123 |
static uint8 * |
| 124 |
translate_image(int width, int height, uint8 *data) |
| 125 |
{ |
| 126 |
int size = width * height * bpp/8; |
| 127 |
uint8 *out = xmalloc(size); |
| 128 |
uint8 *end = out + size; |
| 129 |
|
| 130 |
switch (bpp) |
| 131 |
{ |
| 132 |
case 8: |
| 133 |
translate8(data, out, end); |
| 134 |
break; |
| 135 |
|
| 136 |
case 16: |
| 137 |
translate16(data, (uint16 *)out, (uint16 *)end); |
| 138 |
break; |
| 139 |
|
| 140 |
case 24: |
| 141 |
translate24(data, out, end); |
| 142 |
break; |
| 143 |
|
| 144 |
case 32: |
| 145 |
translate32(data, (uint32 *)out, (uint32 *)end); |
| 146 |
break; |
| 147 |
} |
| 148 |
|
| 149 |
return out; |
| 150 |
} |
| 151 |
|
| 152 |
#define BSWAP16(x) { x = (((x & 0xff) << 8) | (x >> 8)); } |
| 153 |
#define BSWAP24(x) { x = (((x & 0xff) << 16) | (x >> 16) | ((x >> 8) & 0xff00)); } |
| 154 |
#define BSWAP32(x) { x = (((x & 0xff00ff) << 8) | ((x >> 8) & 0xff00ff)); \ |
| 155 |
x = (x << 16) | (x >> 16); } |
| 156 |
|
| 157 |
static uint32 |
| 158 |
translate_colour(uint32 colour) |
| 159 |
{ |
| 160 |
switch (bpp) |
| 161 |
{ |
| 162 |
case 16: |
| 163 |
if (host_be != xserver_be) |
| 164 |
BSWAP16(colour); |
| 165 |
break; |
| 166 |
|
| 167 |
case 24: |
| 168 |
if (xserver_be) |
| 169 |
BSWAP24(colour); |
| 170 |
break; |
| 171 |
|
| 172 |
case 32: |
| 173 |
if (host_be != xserver_be) |
| 174 |
BSWAP32(colour); |
| 175 |
break; |
| 176 |
} |
| 177 |
|
| 178 |
return colour; |
| 179 |
} |
| 180 |
|
| 181 |
BOOL |
| 182 |
ui_create_window(char *title) |
| 183 |
{ |
| 184 |
XSetWindowAttributes attribs; |
| 185 |
XClassHint *classhints; |
| 186 |
XSizeHints *sizehints; |
| 187 |
unsigned long input_mask; |
| 188 |
XPixmapFormatValues *pfm; |
| 189 |
Screen *screen; |
| 190 |
uint16 test; |
| 191 |
int i; |
| 192 |
|
| 193 |
display = XOpenDisplay(NULL); |
| 194 |
if (display == NULL) |
| 195 |
{ |
| 196 |
error("Failed to open display\n"); |
| 197 |
return False; |
| 198 |
} |
| 199 |
|
| 200 |
x_socket = ConnectionNumber(display); |
| 201 |
screen = DefaultScreenOfDisplay(display); |
| 202 |
visual = DefaultVisualOfScreen(screen); |
| 203 |
depth = DefaultDepthOfScreen(screen); |
| 204 |
|
| 205 |
pfm = XListPixmapFormats(display, &i); |
| 206 |
if (pfm != NULL) |
| 207 |
{ |
| 208 |
/* Use maximum bpp for this depth - this is generally |
| 209 |
desirable, e.g. 24 bits->32 bits. */ |
| 210 |
while (i--) |
| 211 |
{ |
| 212 |
if ((pfm[i].depth == depth) |
| 213 |
&& (pfm[i].bits_per_pixel > bpp)) |
| 214 |
{ |
| 215 |
bpp = pfm[i].bits_per_pixel; |
| 216 |
} |
| 217 |
} |
| 218 |
XFree(pfm); |
| 219 |
} |
| 220 |
|
| 221 |
if (bpp < 8) |
| 222 |
{ |
| 223 |
error("Less than 8 bpp not currently supported.\n"); |
| 224 |
XCloseDisplay(display); |
| 225 |
return False; |
| 226 |
} |
| 227 |
|
| 228 |
if (depth <= 8) |
| 229 |
owncolmap = True; |
| 230 |
else |
| 231 |
xcolmap = DefaultColormapOfScreen(screen); |
| 232 |
|
| 233 |
test = 1; |
| 234 |
host_be = !(BOOL)(*(uint8 *)(&test)); |
| 235 |
xserver_be = (ImageByteOrder(display) == MSBFirst); |
| 236 |
|
| 237 |
white = WhitePixelOfScreen(screen); |
| 238 |
attribs.background_pixel = BlackPixelOfScreen(screen); |
| 239 |
attribs.backing_store = DoesBackingStore(screen); |
| 240 |
|
| 241 |
if (attribs.backing_store == NotUseful) |
| 242 |
ownbackstore = True; |
| 243 |
|
| 244 |
if (fullscreen) |
| 245 |
{ |
| 246 |
attribs.override_redirect = True; |
| 247 |
width = WidthOfScreen(screen); |
| 248 |
height = HeightOfScreen(screen); |
| 249 |
} |
| 250 |
else |
| 251 |
{ |
| 252 |
attribs.override_redirect = False; |
| 253 |
} |
| 254 |
|
| 255 |
width = (width + 3) & ~3; /* make width a multiple of 32 bits */ |
| 256 |
|
| 257 |
wnd = XCreateWindow(display, RootWindowOfScreen(screen), |
| 258 |
0, 0, width, height, 0, CopyFromParent, |
| 259 |
InputOutput, CopyFromParent, |
| 260 |
CWBackingStore | CWBackPixel | CWOverrideRedirect, |
| 261 |
&attribs); |
| 262 |
|
| 263 |
XStoreName(display, wnd, title); |
| 264 |
|
| 265 |
classhints = XAllocClassHint(); |
| 266 |
if (classhints != NULL) |
| 267 |
{ |
| 268 |
classhints->res_name = classhints->res_class = "rdesktop"; |
| 269 |
XSetClassHint(display, wnd, classhints); |
| 270 |
XFree(classhints); |
| 271 |
} |
| 272 |
|
| 273 |
sizehints = XAllocSizeHints(); |
| 274 |
if (sizehints) |
| 275 |
{ |
| 276 |
sizehints->flags = PMinSize | PMaxSize; |
| 277 |
sizehints->min_width = sizehints->max_width = width; |
| 278 |
sizehints->min_height = sizehints->max_height = height; |
| 279 |
XSetWMNormalHints(display, wnd, sizehints); |
| 280 |
XFree(sizehints); |
| 281 |
} |
| 282 |
|
| 283 |
input_mask = KeyPressMask | KeyReleaseMask |
| 284 |
| ButtonPressMask | ButtonReleaseMask |
| 285 |
| EnterWindowMask | LeaveWindowMask; |
| 286 |
|
| 287 |
if (sendmotion) |
| 288 |
input_mask |= PointerMotionMask; |
| 289 |
|
| 290 |
if (ownbackstore) |
| 291 |
input_mask |= ExposureMask; |
| 292 |
|
| 293 |
XSelectInput(display, wnd, input_mask); |
| 294 |
gc = XCreateGC(display, wnd, 0, NULL); |
| 295 |
|
| 296 |
if (ownbackstore) |
| 297 |
backstore = XCreatePixmap(display, wnd, width, height, depth); |
| 298 |
|
| 299 |
XMapWindow(display, wnd); |
| 300 |
return True; |
| 301 |
} |
| 302 |
|
| 303 |
void |
| 304 |
ui_destroy_window() |
| 305 |
{ |
| 306 |
if (ownbackstore) |
| 307 |
XFreePixmap(display, backstore); |
| 308 |
|
| 309 |
XFreeGC(display, gc); |
| 310 |
XDestroyWindow(display, wnd); |
| 311 |
XCloseDisplay(display); |
| 312 |
display = NULL; |
| 313 |
} |
| 314 |
|
| 315 |
static uint8 |
| 316 |
xwin_translate_key(unsigned long key) |
| 317 |
{ |
| 318 |
DEBUG(("KEY(code=0x%lx)\n", key)); |
| 319 |
|
| 320 |
if ((key > 8) && (key <= 0x60)) |
| 321 |
return (key - 8); |
| 322 |
|
| 323 |
switch (key) |
| 324 |
{ |
| 325 |
case 0x61: /* home */ |
| 326 |
return 0x47 | 0x80; |
| 327 |
case 0x62: /* up arrow */ |
| 328 |
return 0x48 | 0x80; |
| 329 |
case 0x63: /* page up */ |
| 330 |
return 0x49 | 0x80; |
| 331 |
case 0x64: /* left arrow */ |
| 332 |
return 0x4b | 0x80; |
| 333 |
case 0x66: /* right arrow */ |
| 334 |
return 0x4d | 0x80; |
| 335 |
case 0x67: /* end */ |
| 336 |
return 0x4f | 0x80; |
| 337 |
case 0x68: /* down arrow */ |
| 338 |
return 0x50 | 0x80; |
| 339 |
case 0x69: /* page down */ |
| 340 |
return 0x51 | 0x80; |
| 341 |
case 0x6a: /* insert */ |
| 342 |
return 0x52 | 0x80; |
| 343 |
case 0x6b: /* delete */ |
| 344 |
return 0x53 | 0x80; |
| 345 |
case 0x6c: /* keypad enter */ |
| 346 |
return 0x1c | 0x80; |
| 347 |
case 0x6d: /* right ctrl */ |
| 348 |
return 0x1d | 0x80; |
| 349 |
case 0x6f: /* ctrl - print screen */ |
| 350 |
return 0x37 | 0x80; |
| 351 |
case 0x70: /* keypad '/' */ |
| 352 |
return 0x35 | 0x80; |
| 353 |
case 0x71: /* right alt */ |
| 354 |
return 0x38 | 0x80; |
| 355 |
case 0x72: /* ctrl break */ |
| 356 |
return 0x46 | 0x80; |
| 357 |
case 0x73: /* left window key */ |
| 358 |
return 0xff; /* real scancode is 5b */ |
| 359 |
case 0x74: /* right window key */ |
| 360 |
return 0xff; /* real scancode is 5c */ |
| 361 |
case 0x75: /* menu key */ |
| 362 |
return 0x5d | 0x80; |
| 363 |
} |
| 364 |
|
| 365 |
return 0; |
| 366 |
} |
| 367 |
|
| 368 |
static uint16 |
| 369 |
xwin_translate_mouse(unsigned long button) |
| 370 |
{ |
| 371 |
switch (button) |
| 372 |
{ |
| 373 |
case Button1: /* left */ |
| 374 |
return MOUSE_FLAG_BUTTON1; |
| 375 |
case Button2: /* middle */ |
| 376 |
return MOUSE_FLAG_BUTTON3; |
| 377 |
case Button3: /* right */ |
| 378 |
return MOUSE_FLAG_BUTTON2; |
| 379 |
} |
| 380 |
|
| 381 |
return 0; |
| 382 |
} |
| 383 |
|
| 384 |
static void |
| 385 |
xwin_process_events() |
| 386 |
{ |
| 387 |
XEvent event; |
| 388 |
uint8 scancode; |
| 389 |
uint16 button; |
| 390 |
uint32 ev_time; |
| 391 |
|
| 392 |
if (display == NULL) |
| 393 |
return; |
| 394 |
|
| 395 |
while (XCheckWindowEvent(display, wnd, ~0, &event)) |
| 396 |
{ |
| 397 |
ev_time = time(NULL); |
| 398 |
|
| 399 |
switch (event.type) |
| 400 |
{ |
| 401 |
case KeyPress: |
| 402 |
scancode = xwin_translate_key(event.xkey.keycode); |
| 403 |
if (scancode == 0) |
| 404 |
break; |
| 405 |
|
| 406 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, 0, |
| 407 |
scancode, 0); |
| 408 |
break; |
| 409 |
|
| 410 |
case KeyRelease: |
| 411 |
scancode = xwin_translate_key(event.xkey.keycode); |
| 412 |
if (scancode == 0) |
| 413 |
break; |
| 414 |
|
| 415 |
rdp_send_input(ev_time, RDP_INPUT_SCANCODE, |
| 416 |
KBD_FLAG_DOWN | KBD_FLAG_UP, |
| 417 |
scancode, 0); |
| 418 |
break; |
| 419 |
|
| 420 |
case ButtonPress: |
| 421 |
button = xwin_translate_mouse(event.xbutton.button); |
| 422 |
if (button == 0) |
| 423 |
break; |
| 424 |
|
| 425 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
| 426 |
button | MOUSE_FLAG_DOWN, |
| 427 |
event.xbutton.x, |
| 428 |
event.xbutton.y); |
| 429 |
break; |
| 430 |
|
| 431 |
case ButtonRelease: |
| 432 |
button = xwin_translate_mouse(event.xbutton.button); |
| 433 |
if (button == 0) |
| 434 |
break; |
| 435 |
|
| 436 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
| 437 |
button, |
| 438 |
event.xbutton.x, |
| 439 |
event.xbutton.y); |
| 440 |
break; |
| 441 |
|
| 442 |
case MotionNotify: |
| 443 |
rdp_send_input(ev_time, RDP_INPUT_MOUSE, |
| 444 |
MOUSE_FLAG_MOVE, |
| 445 |
event.xmotion.x, |
| 446 |
event.xmotion.y); |
| 447 |
break; |
| 448 |
|
| 449 |
case EnterNotify: |
| 450 |
XGrabKeyboard(display, wnd, True, GrabModeAsync, |
| 451 |
GrabModeAsync, CurrentTime); |
| 452 |
break; |
| 453 |
|
| 454 |
case LeaveNotify: |
| 455 |
XUngrabKeyboard(display, CurrentTime); |
| 456 |
break; |
| 457 |
|
| 458 |
case Expose: |
| 459 |
XCopyArea(display, backstore, wnd, gc, |
| 460 |
event.xexpose.x, event.xexpose.y, |
| 461 |
event.xexpose.width, event.xexpose.height, |
| 462 |
event.xexpose.x, event.xexpose.y); |
| 463 |
break; |
| 464 |
} |
| 465 |
} |
| 466 |
} |
| 467 |
|
| 468 |
void |
| 469 |
ui_select(int rdp_socket) |
| 470 |
{ |
| 471 |
int n = (rdp_socket > x_socket) ? rdp_socket+1 : x_socket+1; |
| 472 |
fd_set rfds; |
| 473 |
|
| 474 |
XFlush(display); |
| 475 |
|
| 476 |
FD_ZERO(&rfds); |
| 477 |
|
| 478 |
while (True) |
| 479 |
{ |
| 480 |
FD_ZERO(&rfds); |
| 481 |
FD_SET(rdp_socket, &rfds); |
| 482 |
FD_SET(x_socket, &rfds); |
| 483 |
|
| 484 |
switch (select(n, &rfds, NULL, NULL, NULL)) |
| 485 |
{ |
| 486 |
case -1: |
| 487 |
error("select: %s\n", strerror(errno)); |
| 488 |
|
| 489 |
case 0: |
| 490 |
continue; |
| 491 |
} |
| 492 |
|
| 493 |
if (FD_ISSET(x_socket, &rfds)) |
| 494 |
xwin_process_events(); |
| 495 |
|
| 496 |
if (FD_ISSET(rdp_socket, &rfds)) |
| 497 |
return; |
| 498 |
} |
| 499 |
} |
| 500 |
|
| 501 |
void |
| 502 |
ui_move_pointer(int x, int y) |
| 503 |
{ |
| 504 |
XWarpPointer(display, wnd, wnd, 0, 0, 0, 0, x, y); |
| 505 |
} |
| 506 |
|
| 507 |
HBITMAP |
| 508 |
ui_create_bitmap(int width, int height, uint8 *data) |
| 509 |
{ |
| 510 |
XImage *image; |
| 511 |
Pixmap bitmap; |
| 512 |
uint8 *tdata; |
| 513 |
|
| 514 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
| 515 |
bitmap = XCreatePixmap(display, wnd, width, height, depth); |
| 516 |
image = XCreateImage(display, visual, depth, ZPixmap, |
| 517 |
0, tdata, width, height, 8, 0); |
| 518 |
|
| 519 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
| 520 |
|
| 521 |
XFree(image); |
| 522 |
if (!owncolmap) |
| 523 |
xfree(tdata); |
| 524 |
return (HBITMAP) bitmap; |
| 525 |
} |
| 526 |
|
| 527 |
void |
| 528 |
ui_paint_bitmap(int x, int y, int cx, int cy, |
| 529 |
int width, int height, uint8 *data) |
| 530 |
{ |
| 531 |
XImage *image; |
| 532 |
uint8 *tdata; |
| 533 |
|
| 534 |
tdata = (owncolmap ? data : translate_image(width, height, data)); |
| 535 |
image = XCreateImage(display, visual, depth, ZPixmap, |
| 536 |
0, tdata, width, height, 8, 0); |
| 537 |
|
| 538 |
if (ownbackstore) |
| 539 |
{ |
| 540 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
| 541 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
| 542 |
} |
| 543 |
else |
| 544 |
{ |
| 545 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
| 546 |
} |
| 547 |
|
| 548 |
XFree(image); |
| 549 |
if (!owncolmap) |
| 550 |
xfree(tdata); |
| 551 |
} |
| 552 |
|
| 553 |
void |
| 554 |
ui_destroy_bitmap(HBITMAP bmp) |
| 555 |
{ |
| 556 |
XFreePixmap(display, (Pixmap)bmp); |
| 557 |
} |
| 558 |
|
| 559 |
HGLYPH |
| 560 |
ui_create_glyph(int width, int height, uint8 *data) |
| 561 |
{ |
| 562 |
XImage *image; |
| 563 |
Pixmap bitmap; |
| 564 |
int scanline; |
| 565 |
GC gc; |
| 566 |
|
| 567 |
scanline = (width + 7) / 8; |
| 568 |
|
| 569 |
bitmap = XCreatePixmap(display, wnd, width, height, 1); |
| 570 |
gc = XCreateGC(display, bitmap, 0, NULL); |
| 571 |
|
| 572 |
image = XCreateImage(display, visual, 1, ZPixmap, 0, |
| 573 |
data, width, height, 8, scanline); |
| 574 |
image->byte_order = MSBFirst; |
| 575 |
image->bitmap_bit_order = MSBFirst; |
| 576 |
XInitImage(image); |
| 577 |
|
| 578 |
XPutImage(display, bitmap, gc, image, 0, 0, 0, 0, width, height); |
| 579 |
|
| 580 |
XFree(image); |
| 581 |
XFreeGC(display, gc); |
| 582 |
return (HGLYPH)bitmap; |
| 583 |
} |
| 584 |
|
| 585 |
void |
| 586 |
ui_destroy_glyph(HGLYPH glyph) |
| 587 |
{ |
| 588 |
XFreePixmap(display, (Pixmap)glyph); |
| 589 |
} |
| 590 |
|
| 591 |
HCURSOR |
| 592 |
ui_create_cursor(unsigned int x, unsigned int y, int width, |
| 593 |
int height, uint8 *andmask, uint8 *xormask) |
| 594 |
{ |
| 595 |
HGLYPH maskglyph, cursorglyph; |
| 596 |
XColor bg, fg; |
| 597 |
Cursor xcursor; |
| 598 |
uint8 *cursor, *pcursor; |
| 599 |
uint8 *mask, *pmask; |
| 600 |
uint8 nextbit; |
| 601 |
int scanline, offset; |
| 602 |
int i, j; |
| 603 |
|
| 604 |
scanline = (width + 7) / 8; |
| 605 |
offset = scanline * height; |
| 606 |
|
| 607 |
cursor = xmalloc(offset); |
| 608 |
memset(cursor, 0, offset); |
| 609 |
|
| 610 |
mask = xmalloc(offset); |
| 611 |
memset(mask, 0, offset); |
| 612 |
|
| 613 |
/* approximate AND and XOR masks with a monochrome X pointer */ |
| 614 |
for (i = 0; i < height; i++) |
| 615 |
{ |
| 616 |
offset -= scanline; |
| 617 |
pcursor = &cursor[offset]; |
| 618 |
pmask = &mask[offset]; |
| 619 |
|
| 620 |
for (j = 0; j < scanline; j++) |
| 621 |
{ |
| 622 |
for (nextbit = 0x80; nextbit != 0; nextbit >>= 1) |
| 623 |
{ |
| 624 |
if (xormask[0] || xormask[1] || xormask[2]) |
| 625 |
{ |
| 626 |
*pcursor |= (~(*andmask) & nextbit); |
| 627 |
*pmask |= nextbit; |
| 628 |
} |
| 629 |
else |
| 630 |
{ |
| 631 |
*pcursor |= ((*andmask) & nextbit); |
| 632 |
*pmask |= (~(*andmask) & nextbit); |
| 633 |
} |
| 634 |
|
| 635 |
xormask += 3; |
| 636 |
} |
| 637 |
|
| 638 |
andmask++; |
| 639 |
pcursor++; |
| 640 |
pmask++; |
| 641 |
} |
| 642 |
} |
| 643 |
|
| 644 |
fg.red = fg.blue = fg.green = 0xffff; |
| 645 |
bg.red = bg.blue = bg.green = 0x0000; |
| 646 |
fg.flags = bg.flags = DoRed | DoBlue | DoGreen; |
| 647 |
|
| 648 |
cursorglyph = ui_create_glyph(width, height, cursor); |
| 649 |
maskglyph = ui_create_glyph(width, height, mask); |
| 650 |
|
| 651 |
xcursor = XCreatePixmapCursor(display, (Pixmap)cursorglyph, |
| 652 |
(Pixmap)maskglyph, &fg, &bg, x, y); |
| 653 |
|
| 654 |
ui_destroy_glyph(maskglyph); |
| 655 |
ui_destroy_glyph(cursorglyph); |
| 656 |
xfree(mask); |
| 657 |
xfree(cursor); |
| 658 |
return (HCURSOR)xcursor; |
| 659 |
} |
| 660 |
|
| 661 |
void |
| 662 |
ui_set_cursor(HCURSOR cursor) |
| 663 |
{ |
| 664 |
XDefineCursor(display, wnd, (Cursor)cursor); |
| 665 |
} |
| 666 |
|
| 667 |
void |
| 668 |
ui_destroy_cursor(HCURSOR cursor) |
| 669 |
{ |
| 670 |
XFreeCursor(display, (Cursor)cursor); |
| 671 |
} |
| 672 |
|
| 673 |
#define MAKE_XCOLOR(xc,c) \ |
| 674 |
(xc)->red = ((c)->red << 8) | (c)->red; \ |
| 675 |
(xc)->green = ((c)->green << 8) | (c)->green; \ |
| 676 |
(xc)->blue = ((c)->blue << 8) | (c)->blue; \ |
| 677 |
(xc)->flags = DoRed | DoGreen | DoBlue; |
| 678 |
|
| 679 |
HCOLOURMAP |
| 680 |
ui_create_colourmap(COLOURMAP *colours) |
| 681 |
{ |
| 682 |
COLOURENTRY *entry; |
| 683 |
int i, ncolours = colours->ncolours; |
| 684 |
|
| 685 |
if (owncolmap) |
| 686 |
{ |
| 687 |
XColor *xcolours, *xentry; |
| 688 |
Colormap map; |
| 689 |
|
| 690 |
xcolours = xmalloc(sizeof(XColor) * ncolours); |
| 691 |
for (i = 0; i < ncolours; i++) |
| 692 |
{ |
| 693 |
entry = &colours->colours[i]; |
| 694 |
xentry = &xcolours[i]; |
| 695 |
xentry->pixel = i; |
| 696 |
MAKE_XCOLOR(xentry, entry); |
| 697 |
} |
| 698 |
|
| 699 |
map = XCreateColormap(display, wnd, visual, AllocAll); |
| 700 |
XStoreColors(display, map, xcolours, ncolours); |
| 701 |
|
| 702 |
xfree(xcolours); |
| 703 |
return (HCOLOURMAP)map; |
| 704 |
} |
| 705 |
else |
| 706 |
{ |
| 707 |
uint32 *map = xmalloc(sizeof(*colmap) * ncolours); |
| 708 |
XColor xentry; |
| 709 |
uint32 colour; |
| 710 |
|
| 711 |
for (i = 0; i < ncolours; i++) |
| 712 |
{ |
| 713 |
entry = &colours->colours[i]; |
| 714 |
MAKE_XCOLOR(&xentry, entry); |
| 715 |
|
| 716 |
if (XAllocColor(display, xcolmap, &xentry) != 0) |
| 717 |
colour = xentry.pixel; |
| 718 |
else |
| 719 |
colour = white; |
| 720 |
|
| 721 |
/* byte swap here to make translate_image faster */ |
| 722 |
map[i] = translate_colour(colour); |
| 723 |
} |
| 724 |
|
| 725 |
return map; |
| 726 |
} |
| 727 |
} |
| 728 |
|
| 729 |
void |
| 730 |
ui_destroy_colourmap(HCOLOURMAP map) |
| 731 |
{ |
| 732 |
if (owncolmap) |
| 733 |
XFreeColormap(display, (Colormap)map); |
| 734 |
else |
| 735 |
xfree(map); |
| 736 |
} |
| 737 |
|
| 738 |
void |
| 739 |
ui_set_colourmap(HCOLOURMAP map) |
| 740 |
{ |
| 741 |
if (owncolmap) |
| 742 |
XSetWindowColormap(display, wnd, (Colormap)map); |
| 743 |
else |
| 744 |
colmap = map; |
| 745 |
} |
| 746 |
|
| 747 |
void |
| 748 |
ui_set_clip(int x, int y, int cx, int cy) |
| 749 |
{ |
| 750 |
XRectangle rect; |
| 751 |
|
| 752 |
rect.x = x; |
| 753 |
rect.y = y; |
| 754 |
rect.width = cx; |
| 755 |
rect.height = cy; |
| 756 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
| 757 |
} |
| 758 |
|
| 759 |
void |
| 760 |
ui_reset_clip() |
| 761 |
{ |
| 762 |
XRectangle rect; |
| 763 |
|
| 764 |
rect.x = 0; |
| 765 |
rect.y = 0; |
| 766 |
rect.width = width; |
| 767 |
rect.height = height; |
| 768 |
XSetClipRectangles(display, gc, 0, 0, &rect, 1, YXBanded); |
| 769 |
} |
| 770 |
|
| 771 |
void |
| 772 |
ui_bell() |
| 773 |
{ |
| 774 |
XBell(display, 0); |
| 775 |
} |
| 776 |
|
| 777 |
void |
| 778 |
ui_destblt(uint8 opcode, |
| 779 |
/* dest */ int x, int y, int cx, int cy) |
| 780 |
{ |
| 781 |
SET_FUNCTION(opcode); |
| 782 |
FILL_RECTANGLE(x, y, cx, cy); |
| 783 |
RESET_FUNCTION(opcode); |
| 784 |
} |
| 785 |
|
| 786 |
void |
| 787 |
ui_patblt(uint8 opcode, |
| 788 |
/* dest */ int x, int y, int cx, int cy, |
| 789 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
| 790 |
{ |
| 791 |
Pixmap fill; |
| 792 |
|
| 793 |
SET_FUNCTION(opcode); |
| 794 |
|
| 795 |
switch (brush->style) |
| 796 |
{ |
| 797 |
case 0: /* Solid */ |
| 798 |
SET_FOREGROUND(fgcolour); |
| 799 |
FILL_RECTANGLE(x, y, cx, cy); |
| 800 |
break; |
| 801 |
|
| 802 |
case 3: /* Pattern */ |
| 803 |
fill = (Pixmap)ui_create_glyph(8, 8, brush->pattern); |
| 804 |
|
| 805 |
SET_FOREGROUND(bgcolour); |
| 806 |
SET_BACKGROUND(fgcolour); |
| 807 |
XSetFillStyle(display, gc, FillOpaqueStippled); |
| 808 |
XSetStipple(display, gc, fill); |
| 809 |
XSetTSOrigin(display, gc, brush->xorigin, brush->yorigin); |
| 810 |
|
| 811 |
FILL_RECTANGLE(x, y, cx, cy); |
| 812 |
|
| 813 |
XSetFillStyle(display, gc, FillSolid); |
| 814 |
ui_destroy_glyph((HGLYPH)fill); |
| 815 |
break; |
| 816 |
|
| 817 |
default: |
| 818 |
unimpl("brush %d\n", brush->style); |
| 819 |
} |
| 820 |
|
| 821 |
RESET_FUNCTION(opcode); |
| 822 |
} |
| 823 |
|
| 824 |
void |
| 825 |
ui_screenblt(uint8 opcode, |
| 826 |
/* dest */ int x, int y, int cx, int cy, |
| 827 |
/* src */ int srcx, int srcy) |
| 828 |
{ |
| 829 |
SET_FUNCTION(opcode); |
| 830 |
XCopyArea(display, wnd, wnd, gc, srcx, srcy, cx, cy, x, y); |
| 831 |
if (ownbackstore) |
| 832 |
XCopyArea(display, backstore, backstore, gc, srcx, srcy, |
| 833 |
cx, cy, x, y); |
| 834 |
RESET_FUNCTION(opcode); |
| 835 |
} |
| 836 |
|
| 837 |
void |
| 838 |
ui_memblt(uint8 opcode, |
| 839 |
/* dest */ int x, int y, int cx, int cy, |
| 840 |
/* src */ HBITMAP src, int srcx, int srcy) |
| 841 |
{ |
| 842 |
SET_FUNCTION(opcode); |
| 843 |
XCopyArea(display, (Pixmap)src, wnd, gc, srcx, srcy, cx, cy, x, y); |
| 844 |
if (ownbackstore) |
| 845 |
XCopyArea(display, (Pixmap)src, backstore, gc, srcx, srcy, |
| 846 |
cx, cy, x, y); |
| 847 |
RESET_FUNCTION(opcode); |
| 848 |
} |
| 849 |
|
| 850 |
void |
| 851 |
ui_triblt(uint8 opcode, |
| 852 |
/* dest */ int x, int y, int cx, int cy, |
| 853 |
/* src */ HBITMAP src, int srcx, int srcy, |
| 854 |
/* brush */ BRUSH *brush, int bgcolour, int fgcolour) |
| 855 |
{ |
| 856 |
/* This is potentially difficult to do in general. Until someone |
| 857 |
comes up with a more efficient way of doing it I am using cases. */ |
| 858 |
|
| 859 |
switch (opcode) |
| 860 |
{ |
| 861 |
case 0x69: /* PDSxxn */ |
| 862 |
ui_memblt(ROP2_XOR, x, y, cx, cy, src, srcx, srcy); |
| 863 |
ui_patblt(ROP2_NXOR, x, y, cx, cy, |
| 864 |
brush, bgcolour, fgcolour); |
| 865 |
break; |
| 866 |
|
| 867 |
case 0xb8: /* PSDPxax */ |
| 868 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
| 869 |
brush, bgcolour, fgcolour); |
| 870 |
ui_memblt(ROP2_AND, x, y, cx, cy, src, srcx, srcy); |
| 871 |
ui_patblt(ROP2_XOR, x, y, cx, cy, |
| 872 |
brush, bgcolour, fgcolour); |
| 873 |
break; |
| 874 |
|
| 875 |
case 0xc0: /* PSa */ |
| 876 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
| 877 |
ui_patblt(ROP2_AND, x, y, cx, cy, brush, bgcolour, |
| 878 |
fgcolour); |
| 879 |
break; |
| 880 |
|
| 881 |
default: |
| 882 |
unimpl("triblt 0x%x\n", opcode); |
| 883 |
ui_memblt(ROP2_COPY, x, y, cx, cy, src, srcx, srcy); |
| 884 |
} |
| 885 |
} |
| 886 |
|
| 887 |
void |
| 888 |
ui_line(uint8 opcode, |
| 889 |
/* dest */ int startx, int starty, int endx, int endy, |
| 890 |
/* pen */ PEN *pen) |
| 891 |
{ |
| 892 |
SET_FUNCTION(opcode); |
| 893 |
SET_FOREGROUND(pen->colour); |
| 894 |
XDrawLine(display, wnd, gc, startx, starty, endx, endy); |
| 895 |
if (ownbackstore) |
| 896 |
XDrawLine(display, backstore, gc, startx, starty, endx, endy); |
| 897 |
RESET_FUNCTION(opcode); |
| 898 |
} |
| 899 |
|
| 900 |
void |
| 901 |
ui_rect( |
| 902 |
/* dest */ int x, int y, int cx, int cy, |
| 903 |
/* brush */ int colour) |
| 904 |
{ |
| 905 |
SET_FOREGROUND(colour); |
| 906 |
FILL_RECTANGLE(x, y, cx, cy); |
| 907 |
} |
| 908 |
|
| 909 |
void |
| 910 |
ui_draw_glyph(int mixmode, |
| 911 |
/* dest */ int x, int y, int cx, int cy, |
| 912 |
/* src */ HGLYPH glyph, int srcx, int srcy, int bgcolour, |
| 913 |
int fgcolour) |
| 914 |
{ |
| 915 |
SET_FOREGROUND(fgcolour); |
| 916 |
SET_BACKGROUND(bgcolour); |
| 917 |
|
| 918 |
XSetFillStyle(display, gc, (mixmode == MIX_TRANSPARENT) |
| 919 |
? FillStippled : FillOpaqueStippled); |
| 920 |
XSetStipple(display, gc, (Pixmap)glyph); |
| 921 |
XSetTSOrigin(display, gc, x, y); |
| 922 |
|
| 923 |
FILL_RECTANGLE(x, y, cx, cy); |
| 924 |
|
| 925 |
XSetFillStyle(display, gc, FillSolid); |
| 926 |
} |
| 927 |
|
| 928 |
void |
| 929 |
ui_draw_text(uint8 font, uint8 flags, int mixmode, int x, int y, |
| 930 |
int clipx, int clipy, int clipcx, int clipcy, |
| 931 |
int boxx, int boxy, int boxcx, int boxcy, |
| 932 |
int bgcolour, int fgcolour, uint8 *text, uint8 length) |
| 933 |
{ |
| 934 |
FONTGLYPH *glyph; |
| 935 |
int i, offset; |
| 936 |
|
| 937 |
SET_FOREGROUND(bgcolour); |
| 938 |
|
| 939 |
if (boxcx > 1) |
| 940 |
{ |
| 941 |
FILL_RECTANGLE(boxx, boxy, boxcx, boxcy); |
| 942 |
} |
| 943 |
else if (mixmode == MIX_OPAQUE) |
| 944 |
{ |
| 945 |
FILL_RECTANGLE(clipx, clipy, clipcx, clipcy); |
| 946 |
} |
| 947 |
|
| 948 |
/* Paint text, character by character */ |
| 949 |
for (i = 0; i < length; i++) |
| 950 |
{ |
| 951 |
glyph = cache_get_font(font, text[i]); |
| 952 |
|
| 953 |
if (!(flags & TEXT2_IMPLICIT_X)) |
| 954 |
{ |
| 955 |
offset = text[++i]; |
| 956 |
if (offset & 0x80) |
| 957 |
offset = ((offset & 0x7f) << 8) | text[++i]; |
| 958 |
|
| 959 |
if (flags & TEXT2_VERTICAL) |
| 960 |
y += offset; |
| 961 |
else |
| 962 |
x += offset; |
| 963 |
} |
| 964 |
|
| 965 |
if (glyph != NULL) |
| 966 |
{ |
| 967 |
ui_draw_glyph(mixmode, x + (short) glyph->offset, |
| 968 |
y + (short) glyph->baseline, |
| 969 |
glyph->width, glyph->height, |
| 970 |
glyph->pixmap, 0, 0, |
| 971 |
bgcolour, fgcolour); |
| 972 |
|
| 973 |
if (flags & TEXT2_IMPLICIT_X) |
| 974 |
x += glyph->width; |
| 975 |
} |
| 976 |
} |
| 977 |
} |
| 978 |
|
| 979 |
void |
| 980 |
ui_desktop_save(uint32 offset, int x, int y, int cx, int cy) |
| 981 |
{ |
| 982 |
Pixmap pix; |
| 983 |
XImage *image; |
| 984 |
|
| 985 |
if (ownbackstore) |
| 986 |
{ |
| 987 |
image = XGetImage(display, backstore, x, y, cx, cy, AllPlanes, |
| 988 |
ZPixmap); |
| 989 |
} |
| 990 |
else |
| 991 |
{ |
| 992 |
pix = XCreatePixmap(display, wnd, cx, cy, depth); |
| 993 |
XCopyArea(display, wnd, pix, gc, x, y, cx, cy, 0, 0); |
| 994 |
image = XGetImage(display, pix, 0, 0, cx, cy, AllPlanes, |
| 995 |
ZPixmap); |
| 996 |
XFreePixmap(display, pix); |
| 997 |
} |
| 998 |
|
| 999 |
offset *= bpp/8; |
| 1000 |
cache_put_desktop(offset, cx, cy, image->bytes_per_line, |
| 1001 |
bpp/8, (uint8 *)image->data); |
| 1002 |
|
| 1003 |
XDestroyImage(image); |
| 1004 |
} |
| 1005 |
|
| 1006 |
void |
| 1007 |
ui_desktop_restore(uint32 offset, int x, int y, int cx, int cy) |
| 1008 |
{ |
| 1009 |
XImage *image; |
| 1010 |
uint8 *data; |
| 1011 |
|
| 1012 |
offset *= bpp/8; |
| 1013 |
data = cache_get_desktop(offset, cx, cy, bpp/8); |
| 1014 |
if (data == NULL) |
| 1015 |
return; |
| 1016 |
|
| 1017 |
image = XCreateImage(display, visual, depth, ZPixmap, |
| 1018 |
0, data, cx, cy, BitmapPad(display), |
| 1019 |
cx * bpp/8); |
| 1020 |
|
| 1021 |
if (ownbackstore) |
| 1022 |
{ |
| 1023 |
XPutImage(display, backstore, gc, image, 0, 0, x, y, cx, cy); |
| 1024 |
XCopyArea(display, backstore, wnd, gc, x, y, cx, cy, x, y); |
| 1025 |
} |
| 1026 |
else |
| 1027 |
{ |
| 1028 |
XPutImage(display, wnd, gc, image, 0, 0, x, y, cx, cy); |
| 1029 |
} |
| 1030 |
|
| 1031 |
XFree(image); |
| 1032 |
} |
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