1 /* 2 * Copyright (c) 1999, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 #ifdef HEADLESS 27 #error This file should not be included in headless library 28 #endif 29 30 #include "awt_p.h" 31 #include "awt_GraphicsEnv.h" 32 #define XK_MISCELLANY 33 #include <X11/keysymdef.h> 34 #include <X11/Intrinsic.h> 35 #include <X11/Xutil.h> 36 #include <X11/Xmd.h> 37 #include <X11/extensions/xtestext1.h> 38 #include <X11/extensions/XTest.h> 39 #include <X11/extensions/XInput.h> 40 #include <X11/extensions/XI.h> 41 #include <jni.h> 42 #include <sizecalc.h> 43 #include "robot_common.h" 44 #include "canvas.h" 45 #include "wsutils.h" 46 #include "list.h" 47 #include "multiVis.h" 48 #include "gtk2_interface.h" 49 50 #if defined(__linux__) || defined(MACOSX) 51 #include <sys/socket.h> 52 #endif 53 54 extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs; 55 56 static jint * masks; 57 static jint num_buttons; 58 59 static int32_t isXTestAvailable() { 60 int32_t major_opcode, first_event, first_error; 61 int32_t event_basep, error_basep, majorp, minorp; 62 int32_t isXTestAvailable; 63 64 /* check if XTest is available */ 65 isXTestAvailable = XQueryExtension(awt_display, XTestExtensionName, &major_opcode, &first_event, &first_error); 66 DTRACE_PRINTLN3("RobotPeer: XQueryExtension(XTEST) returns major_opcode = %d, first_event = %d, first_error = %d", 67 major_opcode, first_event, first_error); 68 if (isXTestAvailable) { 69 /* check if XTest version is OK */ 70 XTestQueryExtension(awt_display, &event_basep, &error_basep, &majorp, &minorp); 71 DTRACE_PRINTLN4("RobotPeer: XTestQueryExtension returns event_basep = %d, error_basep = %d, majorp = %d, minorp = %d", 72 event_basep, error_basep, majorp, minorp); 73 if (majorp < 2 || (majorp == 2 && minorp < 2)) { 74 /* bad version*/ 75 DTRACE_PRINTLN2("XRobotPeer: XTEST version is %d.%d \n", majorp, minorp); 76 if (majorp == 2 && minorp == 1) { 77 DTRACE_PRINTLN("XRobotPeer: XTEST is 2.1 - no grab is available\n"); 78 } else { 79 isXTestAvailable = False; 80 } 81 } else { 82 /* allow XTest calls even if someone else has the grab; e.g. during 83 * a window resize operation. Works only with XTEST2.2*/ 84 XTestGrabControl(awt_display, True); 85 } 86 } else { 87 DTRACE_PRINTLN("RobotPeer: XTEST extension is unavailable"); 88 } 89 90 return isXTestAvailable; 91 } 92 93 94 static XImage *getWindowImage(Display * display, Window window, 95 int32_t x, int32_t y, 96 int32_t w, int32_t h) { 97 XImage *image; 98 int32_t transparentOverlays; 99 int32_t numVisuals; 100 XVisualInfo *pVisuals; 101 int32_t numOverlayVisuals; 102 OverlayInfo *pOverlayVisuals; 103 int32_t numImageVisuals; 104 XVisualInfo **pImageVisuals; 105 list_ptr vis_regions; /* list of regions to read from */ 106 list_ptr vis_image_regions ; 107 int32_t allImage = 0 ; 108 int32_t format = ZPixmap; 109 110 /* prevent user from moving stuff around during the capture */ 111 XGrabServer(display); 112 113 /* 114 * The following two functions live in multiVis.c-- they are pretty 115 * much verbatim taken from the source to the xwd utility from the 116 * X11 source. This version of the xwd source was somewhat better written 117 * for reuse compared to Sun's version. 118 * 119 * ftp.x.org/pub/R6.3/xc/programs/xwd 120 * 121 * We use these functions since they do the very tough job of capturing 122 * the screen correctly when it contains multiple visuals. They take into 123 * account the depth/colormap of each visual and produce a capture as a 124 * 24-bit RGB image so we don't have to fool around with colormaps etc. 125 */ 126 127 GetMultiVisualRegions( 128 display, 129 window, 130 x, y, w, h, 131 &transparentOverlays, 132 &numVisuals, 133 &pVisuals, 134 &numOverlayVisuals, 135 &pOverlayVisuals, 136 &numImageVisuals, 137 &pImageVisuals, 138 &vis_regions, 139 &vis_image_regions, 140 &allImage ); 141 142 image = ReadAreaToImage( 143 display, 144 window, 145 x, y, w, h, 146 numVisuals, 147 pVisuals, 148 numOverlayVisuals, 149 pOverlayVisuals, 150 numImageVisuals, 151 pImageVisuals, 152 vis_regions, 153 vis_image_regions, 154 format, 155 allImage ); 156 157 /* allow user to do stuff again */ 158 XUngrabServer(display); 159 160 /* make sure the grab/ungrab is flushed */ 161 XSync(display, False); 162 163 return image; 164 } 165 166 /*********************************************************************************************/ 167 168 // this should be called from XRobotPeer constructor 169 JNIEXPORT void JNICALL 170 Java_sun_awt_X11_XRobotPeer_setup (JNIEnv * env, jclass cls, jint numberOfButtons, jintArray buttonDownMasks) 171 { 172 int32_t xtestAvailable; 173 jint *tmp; 174 int i; 175 176 DTRACE_PRINTLN("RobotPeer: setup()"); 177 178 num_buttons = numberOfButtons; 179 tmp = (*env)->GetIntArrayElements(env, buttonDownMasks, JNI_FALSE); 180 CHECK_NULL(tmp); 181 182 masks = (jint *)SAFE_SIZE_ARRAY_ALLOC(malloc, sizeof(jint), num_buttons); 183 if (masks == (jint *) NULL) { 184 (*env)->ExceptionClear(env); 185 (*env)->ReleaseIntArrayElements(env, buttonDownMasks, tmp, 0); 186 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2), NULL); 187 return; 188 } 189 for (i = 0; i < num_buttons; i++) { 190 masks[i] = tmp[i]; 191 } 192 (*env)->ReleaseIntArrayElements(env, buttonDownMasks, tmp, 0); 193 194 AWT_LOCK(); 195 xtestAvailable = isXTestAvailable(); 196 DTRACE_PRINTLN1("RobotPeer: XTest available = %d", xtestAvailable); 197 if (!xtestAvailable) { 198 JNU_ThrowByName(env, "java/awt/AWTException", "java.awt.Robot requires your X server support the XTEST extension version 2.2"); 199 } 200 201 AWT_UNLOCK(); 202 } 203 204 205 JNIEXPORT void JNICALL 206 Java_sun_awt_X11_XRobotPeer_getRGBPixelsImpl( JNIEnv *env, 207 jclass cls, 208 jobject xgc, 209 jint jx, 210 jint jy, 211 jint jwidth, 212 jint jheight, 213 jintArray pixelArray, 214 jboolean isGtkSupported) { 215 XImage *image; 216 jint *ary; /* Array of jints for sending pixel values back 217 * to parent process. 218 */ 219 Window rootWindow; 220 XWindowAttributes attr; 221 AwtGraphicsConfigDataPtr adata; 222 223 DTRACE_PRINTLN6("RobotPeer: getRGBPixelsImpl(%lx, %d, %d, %d, %d, %x)", xgc, jx, jy, jwidth, jheight, pixelArray); 224 225 if (jwidth <= 0 || jheight <= 0) { 226 return; 227 } 228 229 adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData); 230 DASSERT(adata != NULL); 231 232 AWT_LOCK(); 233 234 rootWindow = XRootWindow(awt_display, adata->awt_visInfo.screen); 235 236 if (!XGetWindowAttributes(awt_display, rootWindow, &attr) 237 || jx + jwidth <= attr.x 238 || attr.x + attr.width <= jx 239 || jy + jheight <= attr.y 240 || attr.y + attr.height <= jy) { 241 242 AWT_UNLOCK(); 243 return; // Does not intersect with root window 244 } 245 246 gboolean gtk_failed = TRUE; 247 jint _x, _y; 248 249 jint x = MAX(jx, attr.x); 250 jint y = MAX(jy, attr.y); 251 jint width = MIN(jx + jwidth, attr.x + attr.width) - x; 252 jint height = MIN(jy + jheight, attr.y + attr.height) - y; 253 254 255 int dx = attr.x > jx ? attr.x - jx : 0; 256 int dy = attr.y > jy ? attr.y - jy : 0; 257 258 int index; 259 260 if (isGtkSupported) { 261 GdkPixbuf *pixbuf; 262 (*fp_gdk_threads_enter)(); 263 GdkWindow *root = (*fp_gdk_get_default_root_window)(); 264 265 pixbuf = (*fp_gdk_pixbuf_get_from_drawable)(NULL, root, NULL, 266 x, y, 0, 0, width, height); 267 268 if (pixbuf) { 269 int nchan = (*fp_gdk_pixbuf_get_n_channels)(pixbuf); 270 int stride = (*fp_gdk_pixbuf_get_rowstride)(pixbuf); 271 272 if ((*fp_gdk_pixbuf_get_width)(pixbuf) == width 273 && (*fp_gdk_pixbuf_get_height)(pixbuf) == height 274 && (*fp_gdk_pixbuf_get_bits_per_sample)(pixbuf) == 8 275 && (*fp_gdk_pixbuf_get_colorspace)(pixbuf) == GDK_COLORSPACE_RGB 276 && nchan >= 3 277 ) { 278 guchar *p, *pix = (*fp_gdk_pixbuf_get_pixels)(pixbuf); 279 280 ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL); 281 if (!ary) { 282 (*fp_g_object_unref)(pixbuf); 283 (*fp_gdk_threads_leave)(); 284 AWT_UNLOCK(); 285 return; 286 } 287 288 for (_y = 0; _y < height; _y++) { 289 for (_x = 0; _x < width; _x++) { 290 p = pix + _y * stride + _x * nchan; 291 292 index = (_y + dy) * jwidth + (_x + dx); 293 ary[index] = 0xff000000 294 | (p[0] << 16) 295 | (p[1] << 8) 296 | (p[2]); 297 298 } 299 } 300 (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0); 301 if ((*env)->ExceptionCheck(env)) { 302 (*fp_g_object_unref)(pixbuf); 303 (*fp_gdk_threads_leave)(); 304 AWT_UNLOCK(); 305 return; 306 } 307 gtk_failed = FALSE; 308 } 309 (*fp_g_object_unref)(pixbuf); 310 } 311 (*fp_gdk_threads_leave)(); 312 } 313 314 if (gtk_failed) { 315 image = getWindowImage(awt_display, rootWindow, x, y, width, height); 316 317 ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL); 318 319 if (!ary) { 320 XDestroyImage(image); 321 AWT_UNLOCK(); 322 return; 323 } 324 325 /* convert to Java ARGB pixels */ 326 for (_y = 0; _y < height; _y++) { 327 for (_x = 0; _x < width; _x++) { 328 jint pixel = (jint) XGetPixel(image, _x, _y); /* Note ignore upper 329 * 32-bits on 64-bit 330 * OSes. 331 */ 332 pixel |= 0xff000000; /* alpha - full opacity */ 333 334 index = (_y + dy) * jwidth + (_x + dx); 335 ary[index] = pixel; 336 } 337 } 338 339 XDestroyImage(image); 340 (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0); 341 } 342 AWT_UNLOCK(); 343 } 344 345 JNIEXPORT void JNICALL 346 Java_sun_awt_X11_XRobotPeer_keyPressImpl (JNIEnv *env, 347 jclass cls, 348 jint keycode) { 349 350 AWT_LOCK(); 351 352 DTRACE_PRINTLN1("RobotPeer: keyPressImpl(%i)", keycode); 353 354 XTestFakeKeyEvent(awt_display, 355 XKeysymToKeycode(awt_display, awt_getX11KeySym(keycode)), 356 True, 357 CurrentTime); 358 359 XSync(awt_display, False); 360 361 AWT_UNLOCK(); 362 363 } 364 365 JNIEXPORT void JNICALL 366 Java_sun_awt_X11_XRobotPeer_keyReleaseImpl (JNIEnv *env, 367 jclass cls, 368 jint keycode) { 369 AWT_LOCK(); 370 371 DTRACE_PRINTLN1("RobotPeer: keyReleaseImpl(%i)", keycode); 372 373 XTestFakeKeyEvent(awt_display, 374 XKeysymToKeycode(awt_display, awt_getX11KeySym(keycode)), 375 False, 376 CurrentTime); 377 378 XSync(awt_display, False); 379 380 AWT_UNLOCK(); 381 } 382 383 JNIEXPORT void JNICALL 384 Java_sun_awt_X11_XRobotPeer_mouseMoveImpl (JNIEnv *env, 385 jclass cls, 386 jobject xgc, 387 jint root_x, 388 jint root_y) { 389 390 AwtGraphicsConfigDataPtr adata; 391 392 AWT_LOCK(); 393 394 DTRACE_PRINTLN3("RobotPeer: mouseMoveImpl(%lx, %i, %i)", xgc, root_x, root_y); 395 396 adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData); 397 DASSERT(adata != NULL); 398 399 XWarpPointer(awt_display, None, XRootWindow(awt_display, adata->awt_visInfo.screen), 0, 0, 0, 0, root_x, root_y); 400 XSync(awt_display, False); 401 402 AWT_UNLOCK(); 403 } 404 405 /* 406 * Function joining the code of mousePressImpl and mouseReleaseImpl 407 */ 408 void mouseAction(JNIEnv *env, 409 jclass cls, 410 jint buttonMask, 411 Bool isMousePress) 412 { 413 AWT_LOCK(); 414 415 DTRACE_PRINTLN1("RobotPeer: mouseAction(%i)", buttonMask); 416 DTRACE_PRINTLN1("RobotPeer: mouseAction, press = %d", isMousePress); 417 418 if (buttonMask & java_awt_event_InputEvent_BUTTON1_MASK || 419 buttonMask & java_awt_event_InputEvent_BUTTON1_DOWN_MASK ) 420 { 421 XTestFakeButtonEvent(awt_display, 1, isMousePress, CurrentTime); 422 } 423 if ((buttonMask & java_awt_event_InputEvent_BUTTON2_MASK || 424 buttonMask & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) && 425 (num_buttons >= 2)) { 426 XTestFakeButtonEvent(awt_display, 2, isMousePress, CurrentTime); 427 } 428 if ((buttonMask & java_awt_event_InputEvent_BUTTON3_MASK || 429 buttonMask & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) && 430 (num_buttons >= 3)) { 431 XTestFakeButtonEvent(awt_display, 3, isMousePress, CurrentTime); 432 } 433 434 if (num_buttons > 3){ 435 int32_t i; 436 int32_t button = 0; 437 for (i = 3; i<num_buttons; i++){ 438 if ((buttonMask & masks[i])) { 439 // arrays starts from zero index => +1 440 // users wants to affect 4 or 5 button but they are assigned 441 // to the wheel so => we have to shift it to the right by 2. 442 button = i + 3; 443 XTestFakeButtonEvent(awt_display, button, isMousePress, CurrentTime); 444 } 445 } 446 } 447 448 XSync(awt_display, False); 449 AWT_UNLOCK(); 450 } 451 452 JNIEXPORT void JNICALL 453 Java_sun_awt_X11_XRobotPeer_mousePressImpl (JNIEnv *env, 454 jclass cls, 455 jint buttonMask) { 456 mouseAction(env, cls, buttonMask, True); 457 } 458 459 JNIEXPORT void JNICALL 460 Java_sun_awt_X11_XRobotPeer_mouseReleaseImpl (JNIEnv *env, 461 jclass cls, 462 jint buttonMask) { 463 mouseAction(env, cls, buttonMask, False); 464 } 465 466 JNIEXPORT void JNICALL 467 Java_sun_awt_X11_XRobotPeer_mouseWheelImpl (JNIEnv *env, 468 jclass cls, 469 jint wheelAmt) { 470 /* Mouse wheel is implemented as a button press of button 4 and 5, so it */ 471 /* probably could have been hacked into robot_mouseButtonEvent, but it's */ 472 /* cleaner to give it its own command type, in case the implementation */ 473 /* needs to be changed later. -bchristi, 6/20/01 */ 474 475 int32_t repeat = abs(wheelAmt); 476 int32_t button = wheelAmt < 0 ? 4 : 5; /* wheel up: button 4 */ 477 /* wheel down: button 5 */ 478 int32_t loopIdx; 479 480 AWT_LOCK(); 481 482 DTRACE_PRINTLN1("RobotPeer: mouseWheelImpl(%i)", wheelAmt); 483 484 for (loopIdx = 0; loopIdx < repeat; loopIdx++) { /* do nothing for */ 485 /* wheelAmt == 0 */ 486 XTestFakeButtonEvent(awt_display, button, True, CurrentTime); 487 XTestFakeButtonEvent(awt_display, button, False, CurrentTime); 488 } 489 XSync(awt_display, False); 490 491 AWT_UNLOCK(); 492 }