| 1 | /* |
| 2 | * Copyright 2001-2003 Red Hat Inc., Durham, North Carolina. |
| 3 | * |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining |
| 7 | * a copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation on the rights to use, copy, modify, merge, |
| 10 | * publish, distribute, sublicense, and/or sell copies of the Software, |
| 11 | * and to permit persons to whom the Software is furnished to do so, |
| 12 | * subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial |
| 16 | * portions of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS |
| 22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 25 | * SOFTWARE. |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * Authors: |
| 30 | * David H. Dawes <dawes@xfree86.org> |
| 31 | * Kevin E. Martin <kem@redhat.com> |
| 32 | * Rickard E. (Rik) Faith <faith@redhat.com> |
| 33 | * |
| 34 | */ |
| 35 | |
| 36 | /** \file |
| 37 | * |
| 38 | * This file implements the console input devices. |
| 39 | */ |
| 40 | |
| 41 | #ifdef HAVE_DMX_CONFIG_H |
| 42 | #include <dmx-config.h> |
| 43 | #endif |
| 44 | |
| 45 | #define DMX_CONSOLE_DEBUG 0 |
| 46 | #define DMX_WINDOW_DEBUG 0 |
| 47 | |
| 48 | #include "dmxinputinit.h" |
| 49 | #include "dmxevents.h" |
| 50 | #include "dmxconsole.h" |
| 51 | #include "dmxcommon.h" |
| 52 | #include "dmxscrinit.h" |
| 53 | #include "dmxcb.h" |
| 54 | #include "dmxsync.h" |
| 55 | |
| 56 | #include "inputstr.h" |
| 57 | #include "input.h" |
| 58 | #include "mipointer.h" |
| 59 | #include "windowstr.h" |
| 60 | |
| 61 | #define CONSOLE_NUM 3 |
| 62 | #define CONSOLE_DEN 4 |
| 63 | #define DMX_CONSOLE_NAME "DMX Console" |
| 64 | #define DMX_RES_NAME "Xdmx" |
| 65 | #define DMX_RES_CLASS "XDmx" |
| 66 | #define CONSOLE_BG_COLOR "gray75" |
| 67 | #define CONSOLE_FG_COLOR "black" |
| 68 | #define CONSOLE_SCREEN_BG_COLOR "white" |
| 69 | #define CONSOLE_SCREEN_FG_COLOR "black" |
| 70 | #define CONSOLE_SCREEN_DET_COLOR "gray75" |
| 71 | #define CONSOLE_SCREEN_CUR_COLOR "red" |
| 72 | |
| 73 | #if DMX_CONSOLE_DEBUG |
| 74 | #define DMXDBG0(f) dmxLog(dmxDebug,f) |
| 75 | #define DMXDBG1(f,a) dmxLog(dmxDebug,f,a) |
| 76 | #define DMXDBG2(f,a,b) dmxLog(dmxDebug,f,a,b) |
| 77 | #define DMXDBG3(f,a,b,c) dmxLog(dmxDebug,f,a,b,c) |
| 78 | #define DMXDBG4(f,a,b,c,d) dmxLog(dmxDebug,f,a,b,c,d) |
| 79 | #define DMXDBG5(f,a,b,c,d,e) dmxLog(dmxDebug,f,a,b,c,d,e) |
| 80 | #define DMXDBG6(f,a,b,c,d,e,g) dmxLog(dmxDebug,f,a,b,c,d,e,g) |
| 81 | #define DMXDBG7(f,a,b,c,d,e,g,h) dmxLog(dmxDebug,f,a,b,c,d,e,g,h) |
| 82 | #else |
| 83 | #define DMXDBG0(f) |
| 84 | #define DMXDBG1(f,a) |
| 85 | #define DMXDBG2(f,a,b) |
| 86 | #define DMXDBG3(f,a,b,c) |
| 87 | #define DMXDBG4(f,a,b,c,d) |
| 88 | #define DMXDBG5(f,a,b,c,d,e) |
| 89 | #define DMXDBG6(f,a,b,c,d,e,g) |
| 90 | #define DMXDBG7(f,a,b,c,d,e,g,h) |
| 91 | #endif |
| 92 | |
| 93 | /* Private area for consoles. */ |
| 94 | typedef struct _myPrivate { |
| 95 | DMX_COMMON_PRIVATE; |
| 96 | int lastX; |
| 97 | int lastY; |
| 98 | int globalX; |
| 99 | int globalY; |
| 100 | int curX; |
| 101 | int curY; |
| 102 | int width; |
| 103 | int height; |
| 104 | int consWidth; |
| 105 | int consHeight; |
| 106 | double xScale; |
| 107 | double yScale; |
| 108 | XlibGC gc, gcDet, gcRev, gcCur; |
| 109 | int grabbed, fine, captured; |
| 110 | Cursor cursorNormal, cursorGrabbed, cursorEmpty; |
| 111 | Pixmap pixmap; |
| 112 | |
| 113 | CloseScreenProcPtr CloseScreen; |
| 114 | struct _myPrivate *next; /* for closing multiple consoles */ |
| 115 | int initialized; |
| 116 | DevicePtr mou, kbd; |
| 117 | } myPrivate; |
| 118 | |
| 119 | static int |
| 120 | scalex(myPrivate * priv, int x) |
| 121 | { |
| 122 | return (int) ((x * priv->xScale) + .5); |
| 123 | } |
| 124 | |
| 125 | static int |
| 126 | scaley(myPrivate * priv, int y) |
| 127 | { |
| 128 | return (int) ((y * priv->yScale) + .5); |
| 129 | } |
| 130 | |
| 131 | static int |
| 132 | unscalex(myPrivate * priv, int x) |
| 133 | { |
| 134 | return (int) ((x / priv->xScale) + .5); |
| 135 | } |
| 136 | |
| 137 | static int |
| 138 | unscaley(myPrivate * priv, int y) |
| 139 | { |
| 140 | return (int) ((y / priv->yScale) + .5); |
| 141 | } |
| 142 | |
| 143 | /** Create the private area for \a pDevice. */ |
| 144 | pointer |
| 145 | dmxConsoleCreatePrivate(DeviceIntPtr pDevice) |
| 146 | { |
| 147 | GETDMXLOCALFROMPDEVICE; |
| 148 | myPrivate *priv = calloc(1, sizeof(*priv)); |
| 149 | |
| 150 | priv->dmxLocal = dmxLocal; |
| 151 | return priv; |
| 152 | } |
| 153 | |
| 154 | /** If \a private is non-NULL, free its associated memory. */ |
| 155 | void |
| 156 | dmxConsoleDestroyPrivate(pointer private) |
| 157 | { |
| 158 | free(private); |
| 159 | } |
| 160 | |
| 161 | static void |
| 162 | dmxConsoleDrawFineCursor(myPrivate * priv, XRectangle * rect) |
| 163 | { |
| 164 | int size = 6; |
| 165 | int x, y; |
| 166 | |
| 167 | XDrawLine(priv->display, priv->pixmap, priv->gcCur, |
| 168 | x = scalex(priv, priv->globalX) - size, |
| 169 | scaley(priv, priv->globalY), |
| 170 | scalex(priv, priv->globalX) + size, scaley(priv, priv->globalY)); |
| 171 | XDrawLine(priv->display, priv->pixmap, priv->gcCur, |
| 172 | scalex(priv, priv->globalX), |
| 173 | y = scaley(priv, priv->globalY) - size, |
| 174 | scalex(priv, priv->globalX), scaley(priv, priv->globalY) + size); |
| 175 | if (priv->grabbed) { |
| 176 | XDrawLine(priv->display, priv->pixmap, priv->gcCur, |
| 177 | scalex(priv, priv->globalX) - (int) (size / 1.4), |
| 178 | scaley(priv, priv->globalY) - (int) (size / 1.4), |
| 179 | scalex(priv, priv->globalX) + (int) (size / 1.4), |
| 180 | scaley(priv, priv->globalY) + (int) (size / 1.4)); |
| 181 | XDrawLine(priv->display, priv->pixmap, priv->gcCur, |
| 182 | scalex(priv, priv->globalX) - (int) (size / 1.4), |
| 183 | scaley(priv, priv->globalY) + (int) (size / 1.4), |
| 184 | scalex(priv, priv->globalX) + (int) (size / 1.4), |
| 185 | scaley(priv, priv->globalY) - (int) (size / 1.4)); |
| 186 | } |
| 187 | if (rect) { |
| 188 | rect->x = x; |
| 189 | rect->y = y; |
| 190 | rect->width = 2 * size; |
| 191 | rect->height = 2 * size; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | static void |
| 196 | dmxConsoleDrawWindows(pointer private) |
| 197 | { |
| 198 | GETONLYPRIVFROMPRIVATE; |
| 199 | Display *dpy = priv->display; |
| 200 | int i; |
| 201 | Region whole, used, avail; |
| 202 | XRectangle rect; |
| 203 | |
| 204 | whole = XCreateRegion(); |
| 205 | used = XCreateRegion(); |
| 206 | avail = XCreateRegion(); |
| 207 | rect.x = 0; |
| 208 | rect.y = 0; |
| 209 | rect.width = priv->consWidth; |
| 210 | rect.height = priv->consHeight; |
| 211 | XUnionRectWithRegion(&rect, whole, whole); |
| 212 | |
| 213 | for (i = 0; i < dmxNumScreens; i++) { |
| 214 | ScreenPtr pScreen = screenInfo.screens[i]; |
| 215 | WindowPtr pRoot = pScreen->root; |
| 216 | WindowPtr pChild; |
| 217 | |
| 218 | #if DMX_WINDOW_DEBUG |
| 219 | dmxLog(dmxDebug, "%lu %p %p %p 2\n", |
| 220 | pRoot->drawable.id, |
| 221 | pRoot->parent, pRoot->firstChild, pRoot->lastChild); |
| 222 | #endif |
| 223 | |
| 224 | for (pChild = pRoot->firstChild; pChild; pChild = pChild->nextSib) { |
| 225 | if (pChild->mapped && pChild->realized) { |
| 226 | #if DMX_WINDOW_DEBUG |
| 227 | dmxLog(dmxDebug, " %p %d,%d %dx%d %d %d %d RECTS\n", |
| 228 | pChild, |
| 229 | pChild->drawable.x, |
| 230 | pChild->drawable.y, |
| 231 | pChild->drawable.width, |
| 232 | pChild->drawable.height, |
| 233 | pChild->visibility, |
| 234 | pChild->overrideRedirect, |
| 235 | RegionNumRects(&pChild->clipList)); |
| 236 | #endif |
| 237 | rect.x = scalex(priv, pChild->drawable.x + pScreen->x); |
| 238 | rect.y = scaley(priv, pChild->drawable.y + pScreen->y); |
| 239 | rect.width = scalex(priv, pChild->drawable.width); |
| 240 | rect.height = scaley(priv, pChild->drawable.height); |
| 241 | XDrawRectangle(dpy, priv->pixmap, priv->gc, |
| 242 | rect.x, rect.y, rect.width, rect.height); |
| 243 | XUnionRectWithRegion(&rect, used, used); |
| 244 | XSubtractRegion(whole, used, avail); |
| 245 | XSetRegion(dpy, priv->gc, avail); |
| 246 | } |
| 247 | } |
| 248 | #ifdef PANORAMIX |
| 249 | if (!noPanoramiXExtension) |
| 250 | break; /* Screen 0 valid with Xinerama */ |
| 251 | #endif |
| 252 | } |
| 253 | XDestroyRegion(avail); |
| 254 | XDestroyRegion(used); |
| 255 | XDestroyRegion(whole); |
| 256 | XSetClipMask(dpy, priv->gc, None); |
| 257 | } |
| 258 | |
| 259 | static void |
| 260 | dmxConsoleDraw(myPrivate * priv, int updateCursor, int update) |
| 261 | { |
| 262 | GETDMXINPUTFROMPRIV; |
| 263 | Display *dpy = priv->display; |
| 264 | int i; |
| 265 | |
| 266 | XFillRectangle(dpy, priv->pixmap, priv->gc, 0, 0, |
| 267 | priv->consWidth, priv->consHeight); |
| 268 | |
| 269 | for (i = 0; i < dmxNumScreens; i++) { |
| 270 | DMXScreenInfo *dmxScreen = &dmxScreens[i]; |
| 271 | |
| 272 | XFillRectangle(dpy, priv->pixmap, |
| 273 | dmxScreen->beDisplay ? priv->gcRev : priv->gcDet, |
| 274 | scalex(priv, screenInfo.screens[i]->x), |
| 275 | scaley(priv, screenInfo.screens[i]->y), |
| 276 | scalex(priv, screenInfo.screens[i]->width), |
| 277 | scaley(priv, screenInfo.screens[i]->height)); |
| 278 | } |
| 279 | for (i = 0; i < dmxNumScreens; i++) { |
| 280 | XDrawRectangle(dpy, priv->pixmap, priv->gc, |
| 281 | scalex(priv, screenInfo.screens[i]->x), |
| 282 | scaley(priv, screenInfo.screens[i]->y), |
| 283 | scalex(priv, screenInfo.screens[i]->width), |
| 284 | scaley(priv, screenInfo.screens[i]->height)); |
| 285 | } |
| 286 | if (dmxInput->windows) |
| 287 | dmxConsoleDrawWindows(priv); |
| 288 | if (priv->fine && updateCursor) |
| 289 | dmxConsoleDrawFineCursor(priv, 0); |
| 290 | if (update) { |
| 291 | XCopyArea(priv->display, priv->pixmap, priv->window, priv->gc, |
| 292 | 0, 0, priv->consWidth, priv->consHeight, 0, 0); |
| 293 | XSync(priv->display, False); /* Not a backend display */ |
| 294 | } |
| 295 | } |
| 296 | |
| 297 | static void |
| 298 | dmxConsoleClearCursor(myPrivate * priv, int x, int y, XRectangle * rect) |
| 299 | { |
| 300 | int cw = 14, ch = 14; /* Clear width and height */ |
| 301 | |
| 302 | rect->x = scalex(priv, x) - cw / 2; |
| 303 | rect->y = scaley(priv, y) - ch / 2; |
| 304 | rect->width = cw; |
| 305 | rect->height = ch; |
| 306 | XSetClipRectangles(priv->display, priv->gc, 0, 0, rect, 1, Unsorted); |
| 307 | XSetClipRectangles(priv->display, priv->gcDet, 0, 0, rect, 1, Unsorted); |
| 308 | XSetClipRectangles(priv->display, priv->gcRev, 0, 0, rect, 1, Unsorted); |
| 309 | dmxConsoleDraw(priv, 0, 0); |
| 310 | XSetClipMask(priv->display, priv->gc, None); |
| 311 | XSetClipMask(priv->display, priv->gcDet, None); |
| 312 | XSetClipMask(priv->display, priv->gcRev, None); |
| 313 | } |
| 314 | |
| 315 | static void |
| 316 | dmxConsoleUpdateFineCursor(myPrivate * priv) |
| 317 | { |
| 318 | int leave = 0; |
| 319 | XRectangle rects[2]; |
| 320 | |
| 321 | dmxConsoleClearCursor(priv, priv->globalX, priv->globalY, &rects[0]); |
| 322 | if (priv->dmxLocal->sendsCore) { |
| 323 | dmxGetGlobalPosition(&priv->globalX, &priv->globalY); |
| 324 | } |
| 325 | else { |
| 326 | priv->globalX = priv->dmxLocal->lastX; |
| 327 | priv->globalY = priv->dmxLocal->lastY; |
| 328 | } |
| 329 | |
| 330 | priv->lastX = scalex(priv, priv->width / 2); |
| 331 | priv->lastY = scaley(priv, priv->height / 2); |
| 332 | |
| 333 | /* Compute new warp position, which may be |
| 334 | outside the window */ |
| 335 | if (priv->globalX < 1 || priv->globalX >= priv->width) { |
| 336 | if (priv->globalX < 1) |
| 337 | priv->lastX = 0; |
| 338 | else |
| 339 | priv->lastX = scalex(priv, priv->width); |
| 340 | priv->lastY = scaley(priv, priv->globalY); |
| 341 | ++leave; |
| 342 | } |
| 343 | if (priv->globalY < 1 || priv->globalY >= priv->height) { |
| 344 | if (priv->globalY < 1) |
| 345 | priv->lastY = 0; |
| 346 | else |
| 347 | priv->lastY = scaley(priv, priv->height); |
| 348 | priv->lastX = scalex(priv, priv->globalX); |
| 349 | ++leave; |
| 350 | } |
| 351 | |
| 352 | /* Draw pseudo cursor in window */ |
| 353 | dmxConsoleDrawFineCursor(priv, &rects[1]); |
| 354 | |
| 355 | XSetClipRectangles(priv->display, priv->gc, 0, 0, rects, 2, Unsorted); |
| 356 | XCopyArea(priv->display, priv->pixmap, priv->window, priv->gc, |
| 357 | 0, 0, priv->consWidth, priv->consHeight, 0, 0); |
| 358 | XSetClipMask(priv->display, priv->gc, None); |
| 359 | |
| 360 | DMXDBG2("dmxConsoleUpdateFineCursor: WARP %d %d\n", |
| 361 | priv->lastX, priv->lastY); |
| 362 | XWarpPointer(priv->display, priv->window, priv->window, |
| 363 | 0, 0, 0, 0, priv->lastX, priv->lastY); |
| 364 | XSync(priv->display, False); /* Not a backend display */ |
| 365 | |
| 366 | if (leave) { |
| 367 | XEvent X; |
| 368 | |
| 369 | while (XCheckMaskEvent(priv->display, PointerMotionMask, &X)) { |
| 370 | if (X.type == MotionNotify) { |
| 371 | if (X.xmotion.x != priv->lastX || X.xmotion.y != priv->lastY) { |
| 372 | DMXDBG4("Ignoring motion to %d %d after leave frm %d %d\n", |
| 373 | X.xmotion.x, X.xmotion.y, priv->lastX, priv->lastY); |
| 374 | } |
| 375 | } |
| 376 | else { |
| 377 | dmxLog(dmxInfo, "Ignoring event (%d): %s ****************\n", |
| 378 | X.type, dmxEventName(X.type)); |
| 379 | } |
| 380 | } |
| 381 | } |
| 382 | DMXDBG6("dmxConsoleUpdateFineCursor: Warp %d %d on %d %d [%d %d]\n", |
| 383 | priv->lastX, priv->lastY, |
| 384 | scalex(priv, priv->width), |
| 385 | scaley(priv, priv->height), priv->globalX, priv->globalY); |
| 386 | } |
| 387 | |
| 388 | /** Whenever the window layout (size, position, stacking order) might be |
| 389 | * changed, this routine is called with the \a pWindow that changed and |
| 390 | * the \a type of change. This routine is called in a conservative |
| 391 | * fashion: the actual layout of the windows of the screen might not |
| 392 | * have had any human-visible changes. */ |
| 393 | void |
| 394 | dmxConsoleUpdateInfo(pointer private, DMXUpdateType type, WindowPtr pWindow) |
| 395 | { |
| 396 | GETONLYPRIVFROMPRIVATE; |
| 397 | dmxConsoleDraw(priv, 1, 1); |
| 398 | } |
| 399 | |
| 400 | static void |
| 401 | dmxConsoleMoveAbsolute(myPrivate * priv, int x, int y, |
| 402 | DevicePtr pDev, dmxMotionProcPtr motion, |
| 403 | DMXBlockType block) |
| 404 | { |
| 405 | int tmpX, tmpY, v[2]; |
| 406 | |
| 407 | tmpX = unscalex(priv, x); |
| 408 | tmpY = unscalex(priv, y); |
| 409 | DMXDBG6("dmxConsoleMoveAbsolute(,%d,%d) %d %d =? %d %d\n", |
| 410 | x, y, tmpX, tmpY, priv->curX, priv->curY); |
| 411 | if (tmpX == priv->curX && tmpY == priv->curY) |
| 412 | return; |
| 413 | v[0] = unscalex(priv, x); |
| 414 | v[1] = unscaley(priv, y); |
| 415 | motion(pDev, v, 0, 2, DMX_ABSOLUTE_CONFINED, block); |
| 416 | /* dmxConsoleUpdatePosition gets called here by dmxCoreMotion */ |
| 417 | } |
| 418 | |
| 419 | static void |
| 420 | dmxConsoleMoveRelative(myPrivate * priv, int x, int y, |
| 421 | DevicePtr pDev, dmxMotionProcPtr motion, |
| 422 | DMXBlockType block) |
| 423 | { |
| 424 | int v[2]; |
| 425 | |
| 426 | /* Ignore the event generated from * warping back to middle */ |
| 427 | if (x == priv->lastX && y == priv->lastY) |
| 428 | return; |
| 429 | v[0] = priv->lastX - x; |
| 430 | v[1] = priv->lastY - y; |
| 431 | motion(pDev, v, 0, 2, DMX_RELATIVE, block); |
| 432 | /* dmxConsoleUpdatePosition gets called here by dmxCoreMotion */ |
| 433 | } |
| 434 | |
| 435 | /** This routine gets called from #dmxCoreMotion for each motion. This |
| 436 | * allows the console's notion of the cursor postion to change when |
| 437 | * another input device actually caused the change. */ |
| 438 | void |
| 439 | dmxConsoleUpdatePosition(pointer private, int x, int y) |
| 440 | { |
| 441 | GETONLYPRIVFROMPRIVATE; |
| 442 | int tmpX, tmpY; |
| 443 | Display *dpy = priv->display; |
| 444 | static unsigned long dmxGeneration = 0; |
| 445 | |
| 446 | tmpX = scalex(priv, x); |
| 447 | tmpY = scaley(priv, y); |
| 448 | DMXDBG6("dmxConsoleUpdatePosition(,%d,%d) new=%d,%d dims=%d,%d\n", |
| 449 | x, y, tmpX, tmpY, priv->consWidth, priv->consHeight); |
| 450 | |
| 451 | if (priv->fine) |
| 452 | dmxConsoleUpdateFineCursor(priv); |
| 453 | if (tmpX != priv->curX || tmpY != priv->curY) { |
| 454 | if (tmpX < 0) |
| 455 | tmpX = 0; |
| 456 | if (tmpY < 0) |
| 457 | tmpY = 0; |
| 458 | if (tmpX >= priv->consWidth) |
| 459 | tmpX = priv->consWidth - 1; |
| 460 | if (tmpY >= priv->consHeight) |
| 461 | tmpY = priv->consHeight - 1; |
| 462 | priv->curX = tmpX; |
| 463 | priv->curY = tmpY; |
| 464 | if (!priv->fine) { |
| 465 | DMXDBG2(" WARP B %d %d\n", priv->curX, priv->curY); |
| 466 | XWarpPointer(dpy, priv->window, |
| 467 | priv->window, 0, 0, 0, 0, tmpX, tmpY); |
| 468 | XSync(dpy, False); /* Not a backend display */ |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | if (dmxGeneration != serverGeneration) { |
| 473 | dmxGeneration = serverGeneration; |
| 474 | dmxConsoleDraw(priv, 1, 1); |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | /** Collect all pending events from the console's display. Plase these |
| 479 | * events on the server event queue using the \a motion and \a enqueue |
| 480 | * routines. The \a checkspecial routine is used to check for special |
| 481 | * keys that need handling. \a block tells if signals should be blocked |
| 482 | * when updating the event queue. */ |
| 483 | void |
| 484 | dmxConsoleCollectEvents(DevicePtr pDev, |
| 485 | dmxMotionProcPtr motion, |
| 486 | dmxEnqueueProcPtr enqueue, |
| 487 | dmxCheckSpecialProcPtr checkspecial, DMXBlockType block) |
| 488 | { |
| 489 | GETPRIVFROMPDEV; |
| 490 | GETDMXINPUTFROMPRIV; |
| 491 | Display *dpy = priv->display; |
| 492 | Window win = priv->window; |
| 493 | int width = priv->width; |
| 494 | int height = priv->height; |
| 495 | XEvent X, N; |
| 496 | XSetWindowAttributes attribs; |
| 497 | static int rInitialized = 0; |
| 498 | static Region r; |
| 499 | XRectangle rect; |
| 500 | static int raising = 0, raiseX, raiseY; /* FIXME */ |
| 501 | |
| 502 | while (XPending(dpy)) { |
| 503 | XNextEvent(dpy, &X); |
| 504 | switch (X.type) { |
| 505 | case VisibilityNotify: |
| 506 | break; |
| 507 | case Expose: |
| 508 | DMXDBG5("dmxConsoleCollectEvents: Expose #%d %d %d %d %d\n", |
| 509 | X.xexpose.count, |
| 510 | X.xexpose.x, X.xexpose.y, |
| 511 | X.xexpose.width, X.xexpose.height); |
| 512 | if (!rInitialized++) |
| 513 | r = XCreateRegion(); |
| 514 | rect.x = X.xexpose.x; |
| 515 | rect.y = X.xexpose.y; |
| 516 | rect.width = X.xexpose.width; |
| 517 | rect.height = X.xexpose.height; |
| 518 | XUnionRectWithRegion(&rect, r, r); |
| 519 | if (X.xexpose.count == 0) { |
| 520 | XSetRegion(dpy, priv->gc, r); |
| 521 | XSetRegion(dpy, priv->gcDet, r); |
| 522 | XSetRegion(dpy, priv->gcRev, r); |
| 523 | dmxConsoleDraw(priv, 1, 1); |
| 524 | XSetClipMask(dpy, priv->gc, None); |
| 525 | XSetClipMask(dpy, priv->gcDet, None); |
| 526 | XSetClipMask(dpy, priv->gcRev, None); |
| 527 | XDestroyRegion(r); |
| 528 | rInitialized = 0; |
| 529 | } |
| 530 | break; |
| 531 | case ResizeRequest: |
| 532 | DMXDBG2("dmxConsoleCollectEvents: Resize %d %d\n", |
| 533 | X.xresizerequest.width, X.xresizerequest.height); |
| 534 | priv->consWidth = X.xresizerequest.width; |
| 535 | priv->consHeight = X.xresizerequest.height; |
| 536 | priv->xScale = (double) priv->consWidth / width; |
| 537 | priv->yScale = (double) priv->consHeight / height; |
| 538 | attribs.override_redirect = True; |
| 539 | XChangeWindowAttributes(dpy, win, CWOverrideRedirect, &attribs); |
| 540 | XResizeWindow(dpy, win, priv->consWidth, priv->consHeight); |
| 541 | XFreePixmap(dpy, priv->pixmap); |
| 542 | priv->pixmap = XCreatePixmap(dpy, |
| 543 | RootWindow(dpy, DefaultScreen(dpy)), |
| 544 | priv->consWidth, |
| 545 | priv->consHeight, |
| 546 | DefaultDepth(dpy, DefaultScreen(dpy))); |
| 547 | dmxConsoleDraw(priv, 1, 1); |
| 548 | attribs.override_redirect = False; |
| 549 | XChangeWindowAttributes(dpy, win, CWOverrideRedirect, &attribs); |
| 550 | break; |
| 551 | case LeaveNotify: |
| 552 | DMXDBG4("dmxConsoleCollectEvents: Leave @ %d,%d; r=%d f=%d\n", |
| 553 | X.xcrossing.x, X.xcrossing.y, raising, priv->fine); |
| 554 | if (!priv->captured) |
| 555 | dmxCommonRestoreState(priv); |
| 556 | else { |
| 557 | dmxConsoleUncapture(dmxInput); |
| 558 | dmxCommonRestoreState(priv); |
| 559 | } |
| 560 | break; |
| 561 | case EnterNotify: |
| 562 | DMXDBG6("dmxConsoleCollectEvents: Enter %d,%d r=%d f=%d (%d,%d)\n", |
| 563 | X.xcrossing.x, X.xcrossing.y, raising, priv->fine, |
| 564 | priv->curX, priv->curY); |
| 565 | dmxCommonSaveState(priv); |
| 566 | if (raising) { |
| 567 | raising = 0; |
| 568 | dmxConsoleMoveAbsolute(priv, raiseX, raiseY, |
| 569 | priv->mou, motion, block); |
| 570 | } |
| 571 | else { |
| 572 | if (priv->fine) { |
| 573 | /* The raise will generate an event near the center, |
| 574 | * which is not where the cursor should be. So we |
| 575 | * save the real position, do the raise, and move |
| 576 | * the cursor here again after the raise generates |
| 577 | * the event. */ |
| 578 | raising = 1; |
| 579 | raiseX = X.xcrossing.x; |
| 580 | raiseY = X.xcrossing.y; |
| 581 | XRaiseWindow(dpy, priv->window); |
| 582 | } |
| 583 | XSync(dpy, False); /* Not a backend display */ |
| 584 | if (!X.xcrossing.x && !X.xcrossing.y) |
| 585 | dmxConsoleMoveAbsolute(priv, priv->curX, priv->curY, |
| 586 | priv->mou, motion, block); |
| 587 | } |
| 588 | break; |
| 589 | case MotionNotify: |
| 590 | if (priv->curX == X.xmotion.x && priv->curY == X.xmotion.y) |
| 591 | continue; |
| 592 | if (XPending(dpy)) { /* do motion compression */ |
| 593 | XPeekEvent(dpy, &N); |
| 594 | if (N.type == MotionNotify) |
| 595 | continue; |
| 596 | } |
| 597 | DMXDBG2("dmxConsoleCollectEvents: Motion %d %d\n", |
| 598 | X.xmotion.x, X.xmotion.y); |
| 599 | if (raising) { |
| 600 | raising = 0; |
| 601 | dmxConsoleMoveAbsolute(priv, raiseX, raiseY, |
| 602 | priv->mou, motion, block); |
| 603 | } |
| 604 | else { |
| 605 | if (priv->fine) |
| 606 | dmxConsoleMoveRelative(priv, X.xmotion.x, X.xmotion.y, |
| 607 | priv->mou, motion, block); |
| 608 | else |
| 609 | dmxConsoleMoveAbsolute(priv, X.xmotion.x, X.xmotion.y, |
| 610 | priv->mou, motion, block); |
| 611 | } |
| 612 | break; |
| 613 | case KeyPress: |
| 614 | case KeyRelease: |
| 615 | enqueue(priv->kbd, X.type, X.xkey.keycode, 0, NULL, block); |
| 616 | break; |
| 617 | default: |
| 618 | /* Pass the whole event here, because |
| 619 | * this may be an extension event. */ |
| 620 | enqueue(priv->mou, X.type, X.xbutton.button, 0, &X, block); |
| 621 | break; |
| 622 | } |
| 623 | } |
| 624 | } |
| 625 | |
| 626 | static void |
| 627 | dmxCloseConsole(myPrivate * priv) |
| 628 | { |
| 629 | GETDMXINPUTFROMPRIV; |
| 630 | dmxCommonRestoreState(priv); |
| 631 | if (priv->display) { |
| 632 | XFreeGC(priv->display, priv->gc); |
| 633 | XFreeGC(priv->display, priv->gcDet); |
| 634 | XFreeGC(priv->display, priv->gcRev); |
| 635 | XFreeGC(priv->display, priv->gcCur); |
| 636 | if (!dmxInput->console) |
| 637 | XCloseDisplay(priv->display); |
| 638 | } |
| 639 | priv->display = NULL; |
| 640 | } |
| 641 | |
| 642 | static Bool |
| 643 | dmxCloseConsoleScreen(ScreenPtr pScreen) |
| 644 | { |
| 645 | myPrivate *priv, *last; |
| 646 | |
| 647 | for (last = priv = (myPrivate *) dixLookupPrivate(&pScreen->devPrivates, |
| 648 | dmxScreenPrivateKey); |
| 649 | priv; priv = priv->next) |
| 650 | dmxCloseConsole(last = priv); |
| 651 | |
| 652 | DMX_UNWRAP(CloseScreen, last, pScreen); |
| 653 | return pScreen->CloseScreen(pScreen); |
| 654 | } |
| 655 | |
| 656 | static Cursor |
| 657 | dmxConsoleCreateEmptyCursor(myPrivate * priv) |
| 658 | { |
| 659 | char noCursorData[] = { 0, 0, 0, 0, 0, 0, 0, 0 }; |
| 660 | Pixmap pixmap; |
| 661 | Cursor cursor; |
| 662 | XColor color, tmpColor; |
| 663 | Display *dpy = priv->display; |
| 664 | |
| 665 | /* Create empty cursor for window */ |
| 666 | pixmap = XCreateBitmapFromData(priv->display, priv->window, |
| 667 | noCursorData, 8, 8); |
| 668 | if (!XAllocNamedColor(dpy, DefaultColormap(dpy, DefaultScreen(dpy)), |
| 669 | "black", &color, &tmpColor)) |
| 670 | dmxLog(dmxFatal, "Cannot allocate color for cursor\n"); |
| 671 | cursor = XCreatePixmapCursor(dpy, pixmap, pixmap, &color, &color, 0, 0); |
| 672 | XFreePixmap(dpy, pixmap); |
| 673 | return cursor; |
| 674 | } |
| 675 | |
| 676 | static void |
| 677 | dmxConsoleComputeWidthHeight(myPrivate * priv, |
| 678 | int *width, int *height, |
| 679 | double *xScale, double *yScale, |
| 680 | int *consWidth, int *consHeight) |
| 681 | { |
| 682 | int screen; |
| 683 | Display *dpy = priv->display; |
| 684 | |
| 685 | *width = 0; |
| 686 | *height = 0; |
| 687 | *xScale = 1.0; |
| 688 | *yScale = 1.0; |
| 689 | |
| 690 | screen = DefaultScreen(dpy); |
| 691 | *consWidth = DisplayWidth(dpy, screen) * CONSOLE_NUM / CONSOLE_DEN; |
| 692 | *consHeight = DisplayHeight(dpy, screen) * CONSOLE_NUM / CONSOLE_DEN; |
| 693 | |
| 694 | if (*consWidth < 1) |
| 695 | *consWidth = 1; |
| 696 | if (*consHeight < 1) |
| 697 | *consHeight = 1; |
| 698 | |
| 699 | #if 1 |
| 700 | /* Always keep the console size similar |
| 701 | * to the global bounding box. */ |
| 702 | *width = dmxGlobalWidth; |
| 703 | *height = dmxGlobalHeight; |
| 704 | #else |
| 705 | /* Make the console window as big as |
| 706 | * possible by computing the visible |
| 707 | * bounding box. */ |
| 708 | for (i = 0; i < dmxNumScreens; i++) { |
| 709 | if (screenInfo.screens[i]->x + screenInfo.screens[i]->width > *width) |
| 710 | *width = screenInfo.screens[i]->x + screenInfo.screens[i]->width; |
| 711 | |
| 712 | if (screenInfo.screens[i]->y + screenInfo.screens[i]->height > *height) |
| 713 | *height = screenInfo.screens[i]->y + screenInfo.screens[i]->height; |
| 714 | } |
| 715 | #endif |
| 716 | |
| 717 | if ((double) *consWidth / *width < (double) *consHeight / *height) |
| 718 | *xScale = *yScale = (double) *consWidth / *width; |
| 719 | else |
| 720 | *xScale = *yScale = (double) *consHeight / *height; |
| 721 | |
| 722 | *consWidth = scalex(priv, *width); |
| 723 | *consHeight = scaley(priv, *height); |
| 724 | if (*consWidth < 1) |
| 725 | *consWidth = 1; |
| 726 | if (*consHeight < 1) |
| 727 | *consHeight = 1; |
| 728 | } |
| 729 | |
| 730 | /** Re-initialized the console device described by \a pDev (after a |
| 731 | * reconfig). */ |
| 732 | void |
| 733 | dmxConsoleReInit(DevicePtr pDev) |
| 734 | { |
| 735 | GETPRIVFROMPDEV; |
| 736 | Display *dpy; |
| 737 | |
| 738 | if (!priv || !priv->initialized) |
| 739 | return; |
| 740 | dpy = priv->display; |
| 741 | |
| 742 | dmxConsoleComputeWidthHeight(priv, |
| 743 | &priv->width, &priv->height, |
| 744 | &priv->xScale, &priv->yScale, |
| 745 | &priv->consWidth, &priv->consHeight); |
| 746 | XResizeWindow(dpy, priv->window, priv->consWidth, priv->consHeight); |
| 747 | XFreePixmap(dpy, priv->pixmap); |
| 748 | priv->pixmap = XCreatePixmap(dpy, |
| 749 | RootWindow(dpy, DefaultScreen(dpy)), |
| 750 | priv->consWidth, |
| 751 | priv->consHeight, |
| 752 | DefaultDepth(dpy, DefaultScreen(dpy))); |
| 753 | dmxConsoleDraw(priv, 1, 1); |
| 754 | } |
| 755 | |
| 756 | /** Initialized the console device described by \a pDev. */ |
| 757 | void |
| 758 | dmxConsoleInit(DevicePtr pDev) |
| 759 | { |
| 760 | GETPRIVFROMPDEV; |
| 761 | DMXInputInfo *dmxInput = &dmxInputs[dmxLocal->inputIdx]; |
| 762 | int screen; |
| 763 | unsigned long mask; |
| 764 | XSetWindowAttributes attribs; |
| 765 | Display *dpy; |
| 766 | Window win; |
| 767 | XGCValues gcvals; |
| 768 | XColor color; |
| 769 | XClassHint class_hints; |
| 770 | unsigned long tmp; |
| 771 | |
| 772 | if (dmxLocal->type == DMX_LOCAL_MOUSE) |
| 773 | priv->mou = pDev; |
| 774 | if (dmxLocal->type == DMX_LOCAL_KEYBOARD) |
| 775 | priv->kbd = pDev; |
| 776 | if (priv->initialized++) |
| 777 | return; /* Only do once for mouse/keyboard pair */ |
| 778 | |
| 779 | if (!(dpy = priv->display = XOpenDisplay(dmxInput->name))) |
| 780 | dmxLog(dmxFatal, |
| 781 | "dmxOpenConsole: cannot open console display %s\n", |
| 782 | dmxInput->name); |
| 783 | |
| 784 | /* Set up defaults */ |
| 785 | dmxConsoleComputeWidthHeight(priv, |
| 786 | &priv->width, &priv->height, |
| 787 | &priv->xScale, &priv->yScale, |
| 788 | &priv->consWidth, &priv->consHeight); |
| 789 | |
| 790 | /* Private initialization using computed values or constants. */ |
| 791 | screen = DefaultScreen(dpy); |
| 792 | priv->initPointerX = scalex(priv, priv->width / 2); |
| 793 | priv->initPointerY = scaley(priv, priv->height / 2); |
| 794 | priv->eventMask = (ButtonPressMask |
| 795 | | ButtonReleaseMask |
| 796 | | PointerMotionMask |
| 797 | | EnterWindowMask |
| 798 | | LeaveWindowMask |
| 799 | | KeyPressMask |
| 800 | | KeyReleaseMask | ExposureMask | ResizeRedirectMask); |
| 801 | |
| 802 | mask = CWBackPixel | CWEventMask | CWColormap | CWOverrideRedirect; |
| 803 | attribs.colormap = DefaultColormap(dpy, screen); |
| 804 | if (XParseColor(dpy, attribs.colormap, CONSOLE_BG_COLOR, &color) |
| 805 | && XAllocColor(dpy, attribs.colormap, &color)) { |
| 806 | attribs.background_pixel = color.pixel; |
| 807 | } |
| 808 | else |
| 809 | attribs.background_pixel = WhitePixel(dpy, screen); |
| 810 | |
| 811 | attribs.event_mask = priv->eventMask; |
| 812 | attribs.override_redirect = False; |
| 813 | |
| 814 | win = priv->window = XCreateWindow(dpy, |
| 815 | RootWindow(dpy, screen), |
| 816 | 0, 0, priv->consWidth, priv->consHeight, |
| 817 | 0, |
| 818 | DefaultDepth(dpy, screen), |
| 819 | InputOutput, |
| 820 | DefaultVisual(dpy, screen), |
| 821 | mask, &attribs); |
| 822 | priv->pixmap = XCreatePixmap(dpy, RootWindow(dpy, screen), |
| 823 | priv->consWidth, priv->consHeight, |
| 824 | DefaultDepth(dpy, screen)); |
| 825 | |
| 826 | /* Set up properties */ |
| 827 | XStoreName(dpy, win, DMX_CONSOLE_NAME); |
| 828 | class_hints.res_name = DMX_RES_NAME; |
| 829 | class_hints.res_class = DMX_RES_CLASS; |
| 830 | XSetClassHint(dpy, win, &class_hints); |
| 831 | |
| 832 | /* Map the window */ |
| 833 | XMapWindow(dpy, win); |
| 834 | |
| 835 | /* Create cursors */ |
| 836 | priv->cursorNormal = XCreateFontCursor(dpy, XC_circle); |
| 837 | priv->cursorGrabbed = XCreateFontCursor(dpy, XC_spider); |
| 838 | priv->cursorEmpty = dmxConsoleCreateEmptyCursor(priv); |
| 839 | XDefineCursor(dpy, priv->window, priv->cursorNormal); |
| 840 | |
| 841 | /* Create GC */ |
| 842 | mask = (GCFunction | GCPlaneMask | GCClipMask | GCForeground | |
| 843 | GCBackground | GCLineWidth | GCLineStyle | GCCapStyle | |
| 844 | GCFillStyle | GCGraphicsExposures); |
| 845 | gcvals.function = GXcopy; |
| 846 | gcvals.plane_mask = AllPlanes; |
| 847 | gcvals.clip_mask = None; |
| 848 | if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_FG_COLOR, &color) |
| 849 | && XAllocColor(dpy, attribs.colormap, &color)) { |
| 850 | gcvals.foreground = color.pixel; |
| 851 | } |
| 852 | else |
| 853 | gcvals.foreground = BlackPixel(dpy, screen); |
| 854 | if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_BG_COLOR, &color) |
| 855 | && XAllocColor(dpy, attribs.colormap, &color)) { |
| 856 | gcvals.background = color.pixel; |
| 857 | } |
| 858 | else |
| 859 | gcvals.background = WhitePixel(dpy, screen); |
| 860 | gcvals.line_width = 0; |
| 861 | gcvals.line_style = LineSolid; |
| 862 | gcvals.cap_style = CapNotLast; |
| 863 | gcvals.fill_style = FillSolid; |
| 864 | gcvals.graphics_exposures = False; |
| 865 | |
| 866 | priv->gc = XCreateGC(dpy, win, mask, &gcvals); |
| 867 | |
| 868 | tmp = gcvals.foreground; |
| 869 | if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_DET_COLOR, &color) |
| 870 | && XAllocColor(dpy, attribs.colormap, &color)) { |
| 871 | gcvals.foreground = color.pixel; |
| 872 | } |
| 873 | else |
| 874 | gcvals.foreground = BlackPixel(dpy, screen); |
| 875 | priv->gcDet = XCreateGC(dpy, win, mask, &gcvals); |
| 876 | gcvals.foreground = tmp; |
| 877 | |
| 878 | tmp = gcvals.background; |
| 879 | gcvals.background = gcvals.foreground; |
| 880 | gcvals.foreground = tmp; |
| 881 | priv->gcRev = XCreateGC(dpy, win, mask, &gcvals); |
| 882 | |
| 883 | gcvals.background = gcvals.foreground; |
| 884 | if (XParseColor(dpy, attribs.colormap, CONSOLE_SCREEN_CUR_COLOR, &color) |
| 885 | && XAllocColor(dpy, attribs.colormap, &color)) { |
| 886 | gcvals.foreground = color.pixel; |
| 887 | } |
| 888 | else |
| 889 | gcvals.foreground = BlackPixel(dpy, screen); |
| 890 | priv->gcCur = XCreateGC(dpy, win, mask, &gcvals); |
| 891 | |
| 892 | dmxConsoleDraw(priv, 1, 1); |
| 893 | |
| 894 | if (dixLookupPrivate(&screenInfo.screens[0]->devPrivates, |
| 895 | dmxScreenPrivateKey)) |
| 896 | priv->next = dixLookupPrivate(&screenInfo.screens[0]->devPrivates, |
| 897 | dmxScreenPrivateKey); |
| 898 | else |
| 899 | DMX_WRAP(CloseScreen, dmxCloseConsoleScreen, |
| 900 | priv, screenInfo.screens[0]); |
| 901 | dixSetPrivate(&screenInfo.screens[0]->devPrivates, dmxScreenPrivateKey, |
| 902 | priv); |
| 903 | } |
| 904 | |
| 905 | /** Fill in the \a info structure for the specified \a pDev. Only used |
| 906 | * for pointers. */ |
| 907 | void |
| 908 | dmxConsoleMouGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info) |
| 909 | { |
| 910 | GETPRIVFROMPDEV; |
| 911 | |
| 912 | info->buttonClass = 1; |
| 913 | dmxCommonMouGetMap(pDev, info->map, &info->numButtons); |
| 914 | info->valuatorClass = 1; |
| 915 | info->numRelAxes = 2; |
| 916 | info->minval[0] = 0; |
| 917 | info->minval[1] = 0; |
| 918 | /* max possible console window size: */ |
| 919 | info->maxval[0] = DisplayWidth(priv->display, DefaultScreen(priv->display)); |
| 920 | info->maxval[1] = |
| 921 | DisplayHeight(priv->display, DefaultScreen(priv->display)); |
| 922 | info->res[0] = 1; |
| 923 | info->minres[0] = 0; |
| 924 | info->maxres[0] = 1; |
| 925 | info->ptrFeedbackClass = 1; |
| 926 | } |
| 927 | |
| 928 | /** Fill in the \a info structure for the specified \a pDev. Only used |
| 929 | * for keyboard. */ |
| 930 | void |
| 931 | dmxConsoleKbdGetInfo(DevicePtr pDev, DMXLocalInitInfoPtr info) |
| 932 | { |
| 933 | dmxCommonKbdGetInfo(pDev, info); |
| 934 | info->keyboard = 1; |
| 935 | info->keyClass = 1; |
| 936 | dmxCommonKbdGetMap(pDev, &info->keySyms, info->modMap); |
| 937 | info->freemap = 1; |
| 938 | info->focusClass = 1; |
| 939 | info->kbdFeedbackClass = 1; |
| 940 | } |
| 941 | |
| 942 | /** Handle special console-only keys. */ |
| 943 | int |
| 944 | dmxConsoleFunctions(pointer private, DMXFunctionType function) |
| 945 | { |
| 946 | GETONLYPRIVFROMPRIVATE; |
| 947 | XRectangle rect; |
| 948 | Display *dpy = priv->display; |
| 949 | |
| 950 | switch (function) { |
| 951 | case DMX_FUNCTION_FINE: |
| 952 | if (priv->fine) { |
| 953 | priv->fine = 0; |
| 954 | dmxConsoleClearCursor(priv, priv->globalX, priv->globalY, &rect); |
| 955 | XSetClipRectangles(dpy, priv->gc, 0, 0, &rect, 1, Unsorted); |
| 956 | XCopyArea(dpy, priv->pixmap, priv->window, priv->gc, |
| 957 | 0, 0, priv->consWidth, priv->consHeight, 0, 0); |
| 958 | XSetClipMask(dpy, priv->gc, None); |
| 959 | |
| 960 | XDefineCursor(dpy, priv->window, |
| 961 | priv->grabbed |
| 962 | ? priv->cursorGrabbed : priv->cursorNormal); |
| 963 | XWarpPointer(dpy, priv->window, priv->window, |
| 964 | 0, 0, 0, 0, |
| 965 | scalex(priv, priv->globalX), |
| 966 | scaley(priv, priv->globalY)); |
| 967 | XSync(dpy, False); /* Not a backend display */ |
| 968 | } |
| 969 | else { |
| 970 | priv->fine = 1; |
| 971 | XRaiseWindow(dpy, priv->window); |
| 972 | XDefineCursor(dpy, priv->window, priv->cursorEmpty); |
| 973 | dmxConsoleUpdateFineCursor(priv); |
| 974 | } |
| 975 | return 1; |
| 976 | case DMX_FUNCTION_GRAB: |
| 977 | if (priv->grabbed) { |
| 978 | XUngrabKeyboard(dpy, CurrentTime); |
| 979 | XUngrabPointer(dpy, CurrentTime); |
| 980 | XDefineCursor(dpy, priv->window, |
| 981 | priv->fine ? priv->cursorEmpty : priv->cursorNormal); |
| 982 | } |
| 983 | else { |
| 984 | if (XGrabPointer(dpy, priv->window, True, |
| 985 | 0, GrabModeAsync, GrabModeAsync, priv->window, |
| 986 | None, CurrentTime)) { |
| 987 | dmxLog(dmxError, "XGrabPointer failed\n"); |
| 988 | return 0; |
| 989 | } |
| 990 | if (XGrabKeyboard(dpy, priv->window, True, |
| 991 | GrabModeAsync, GrabModeAsync, CurrentTime)) { |
| 992 | dmxLog(dmxError, "XGrabKeyboard failed\n"); |
| 993 | XUngrabPointer(dpy, CurrentTime); |
| 994 | return 0; |
| 995 | } |
| 996 | XDefineCursor(dpy, priv->window, |
| 997 | priv->fine ? priv->cursorEmpty : priv->cursorGrabbed); |
| 998 | } |
| 999 | priv->grabbed = !priv->grabbed; |
| 1000 | if (priv->fine) |
| 1001 | dmxConsoleUpdateFineCursor(priv); |
| 1002 | return 1; |
| 1003 | case DMX_FUNCTION_TERMINATE: |
| 1004 | return 1; |
| 1005 | default: |
| 1006 | return 0; |
| 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | static void |
| 1011 | dmxDump(void) |
| 1012 | { |
| 1013 | int i, j; |
| 1014 | DMXInputInfo *dmxInput; |
| 1015 | XEvent X; |
| 1016 | |
| 1017 | for (i = 0, dmxInput = &dmxInputs[0]; i < dmxNumInputs; i++, dmxInput++) { |
| 1018 | for (j = 0; j < dmxInput->numDevs; j++) { |
| 1019 | DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[j]; |
| 1020 | myPrivate *priv = dmxLocal->private; |
| 1021 | |
| 1022 | while (priv |
| 1023 | && priv->display |
| 1024 | && XCheckTypedEvent(priv->display, MotionNotify, &X)) { |
| 1025 | DMXDBG4("dmxDump: %s/%d threw event away %d %s\n", |
| 1026 | dmxInput->name, j, X.type, dmxEventName(X.type)); |
| 1027 | } |
| 1028 | } |
| 1029 | } |
| 1030 | } |
| 1031 | |
| 1032 | /** This routine is used to warp the pointer into the console window |
| 1033 | * from anywhere on the screen. It is used when backend and console |
| 1034 | * input are both being taken from the same X display. */ |
| 1035 | void |
| 1036 | dmxConsoleCapture(DMXInputInfo * dmxInput) |
| 1037 | { |
| 1038 | int i; |
| 1039 | XEvent X; |
| 1040 | |
| 1041 | DMXDBG0("dmxConsoleCapture\n"); |
| 1042 | dmxSync(NULL, TRUE); |
| 1043 | for (i = 0; i < dmxInput->numDevs; i++) { |
| 1044 | DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[i]; |
| 1045 | myPrivate *priv = dmxLocal->private; |
| 1046 | |
| 1047 | if (dmxLocal->extType != DMX_LOCAL_TYPE_CONSOLE) |
| 1048 | continue; |
| 1049 | if (dmxLocal->type != DMX_LOCAL_MOUSE) |
| 1050 | continue; |
| 1051 | if (priv->captured) |
| 1052 | continue; |
| 1053 | priv->captured = 2; /* Ungrab only after proximal events. */ |
| 1054 | XRaiseWindow(priv->display, priv->window); |
| 1055 | XSync(priv->display, False); /* Not a backend display */ |
| 1056 | while (XCheckTypedEvent(priv->display, MotionNotify, &X)) { |
| 1057 | DMXDBG3(" Ignoring motion to %d %d after capture on %s\n", |
| 1058 | X.xmotion.x, X.xmotion.y, dmxInput->name); |
| 1059 | } |
| 1060 | XWarpPointer(priv->display, None, |
| 1061 | priv->window, 0, 0, 0, 0, priv->curX, priv->curY); |
| 1062 | XSync(priv->display, False); /* Not a backend display */ |
| 1063 | dmxDump(); |
| 1064 | if (priv->fine) |
| 1065 | dmxConsoleUpdateFineCursor(priv); |
| 1066 | } |
| 1067 | } |
| 1068 | |
| 1069 | /** Undo the capture that was done by #dmxConsoleCapture. */ |
| 1070 | void |
| 1071 | dmxConsoleUncapture(DMXInputInfo * dmxInput) |
| 1072 | { |
| 1073 | int i; |
| 1074 | |
| 1075 | DMXDBG0("dmxConsoleUncapture\n"); |
| 1076 | dmxSync(NULL, TRUE); |
| 1077 | for (i = 0; i < dmxInput->numDevs; i++) { |
| 1078 | DMXLocalInputInfoPtr dmxLocal = dmxInput->devs[i]; |
| 1079 | myPrivate *priv = dmxLocal->private; |
| 1080 | |
| 1081 | if (dmxLocal->extType != DMX_LOCAL_TYPE_CONSOLE) |
| 1082 | continue; |
| 1083 | if (dmxLocal->type != DMX_LOCAL_MOUSE) |
| 1084 | continue; |
| 1085 | if (!priv->captured) |
| 1086 | continue; |
| 1087 | priv->captured = 0; |
| 1088 | XSync(priv->display, False); /* Not a backend display */ |
| 1089 | } |
| 1090 | } |