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 "gtk_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 jint scale, 214 jintArray pixelArray, 215 jboolean isGtkSupported) { 216 XImage *image; 217 jint *ary; /* Array of jints for sending pixel values back 218 * to parent process. 219 */ 220 Window rootWindow; 221 XWindowAttributes attr; 222 AwtGraphicsConfigDataPtr adata; 223 224 DTRACE_PRINTLN6("RobotPeer: getRGBPixelsImpl(%lx, %d, %d, %d, %d, %x)", xgc, jx, jy, jwidth, jheight, pixelArray); 225 226 if (jwidth <= 0 || jheight <= 0) { 227 return; 228 } 229 230 adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData); 231 DASSERT(adata != NULL); 232 233 AWT_LOCK(); 234 235 jint sx = jx * scale; 236 jint sy = jy * scale; 237 jint swidth = jwidth * scale; 238 jint sheight = jheight * scale; 239 240 rootWindow = XRootWindow(awt_display, adata->awt_visInfo.screen); 241 242 if (!XGetWindowAttributes(awt_display, rootWindow, &attr) 243 || sx + swidth <= attr.x 244 || attr.x + attr.width <= sx 245 || sy + sheight <= attr.y 246 || attr.y + attr.height <= sy) { 247 248 AWT_UNLOCK(); 249 return; // Does not intersect with root window 250 } 251 252 gboolean gtk_failed = TRUE; 253 jint _x, _y; 254 255 jint x = MAX(sx, attr.x); 256 jint y = MAX(sy, attr.y); 257 jint width = MIN(sx + swidth, attr.x + attr.width) - x; 258 jint height = MIN(sy + sheight, attr.y + attr.height) - y; 259 260 261 int dx = attr.x > sx ? attr.x - sx : 0; 262 int dy = attr.y > sy ? attr.y - sy : 0; 263 264 int index; 265 266 if (isGtkSupported) { 267 gtk->gdk_threads_enter(); 268 gtk_failed = gtk->get_drawable_data(env, pixelArray, x, y, width, 269 jwidth, height, dx, dy, scale); 270 gtk->gdk_threads_leave(); 271 } 272 273 if (gtk_failed) { 274 image = getWindowImage(awt_display, rootWindow, sx, sy, swidth, sheight); 275 276 ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL); 277 278 if (!ary) { 279 XDestroyImage(image); 280 AWT_UNLOCK(); 281 return; 282 } 283 284 dx /= scale; 285 dy /= scale; 286 width /= scale; 287 height /= scale; 288 289 /* convert to Java ARGB pixels */ 290 for (_y = 0; _y < height; _y++) { 291 for (_x = 0; _x < width; _x++) { 292 jint pixel = (jint) XGetPixel(image, _x * scale, _y * scale); 293 /* Note ignore upper 294 * 32-bits on 64-bit 295 * OSes. 296 */ 297 pixel |= 0xff000000; /* alpha - full opacity */ 298 299 index = (_y + dy) * jwidth + (_x + dx); 300 ary[index] = pixel; 301 } 302 } 303 304 XDestroyImage(image); 305 (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0); 306 } 307 AWT_UNLOCK(); 308 } 309 310 JNIEXPORT void JNICALL 311 Java_sun_awt_X11_XRobotPeer_keyPressImpl (JNIEnv *env, 312 jclass cls, 313 jint keycode) { 314 315 AWT_LOCK(); 316 317 DTRACE_PRINTLN1("RobotPeer: keyPressImpl(%i)", keycode); 318 319 XTestFakeKeyEvent(awt_display, 320 XKeysymToKeycode(awt_display, awt_getX11KeySym(keycode)), 321 True, 322 CurrentTime); 323 324 XSync(awt_display, False); 325 326 AWT_UNLOCK(); 327 328 } 329 330 JNIEXPORT void JNICALL 331 Java_sun_awt_X11_XRobotPeer_keyReleaseImpl (JNIEnv *env, 332 jclass cls, 333 jint keycode) { 334 AWT_LOCK(); 335 336 DTRACE_PRINTLN1("RobotPeer: keyReleaseImpl(%i)", keycode); 337 338 XTestFakeKeyEvent(awt_display, 339 XKeysymToKeycode(awt_display, awt_getX11KeySym(keycode)), 340 False, 341 CurrentTime); 342 343 XSync(awt_display, False); 344 345 AWT_UNLOCK(); 346 } 347 348 JNIEXPORT void JNICALL 349 Java_sun_awt_X11_XRobotPeer_mouseMoveImpl (JNIEnv *env, 350 jclass cls, 351 jobject xgc, 352 jint root_x, 353 jint root_y) { 354 355 AwtGraphicsConfigDataPtr adata; 356 357 AWT_LOCK(); 358 359 DTRACE_PRINTLN3("RobotPeer: mouseMoveImpl(%lx, %i, %i)", xgc, root_x, root_y); 360 361 adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData); 362 DASSERT(adata != NULL); 363 364 XWarpPointer(awt_display, None, XRootWindow(awt_display, adata->awt_visInfo.screen), 0, 0, 0, 0, root_x, root_y); 365 XSync(awt_display, False); 366 367 AWT_UNLOCK(); 368 } 369 370 /* 371 * Function joining the code of mousePressImpl and mouseReleaseImpl 372 */ 373 void mouseAction(JNIEnv *env, 374 jclass cls, 375 jint buttonMask, 376 Bool isMousePress) 377 { 378 AWT_LOCK(); 379 380 DTRACE_PRINTLN1("RobotPeer: mouseAction(%i)", buttonMask); 381 DTRACE_PRINTLN1("RobotPeer: mouseAction, press = %d", isMousePress); 382 383 if (buttonMask & java_awt_event_InputEvent_BUTTON1_MASK || 384 buttonMask & java_awt_event_InputEvent_BUTTON1_DOWN_MASK ) 385 { 386 XTestFakeButtonEvent(awt_display, 1, isMousePress, CurrentTime); 387 } 388 if ((buttonMask & java_awt_event_InputEvent_BUTTON2_MASK || 389 buttonMask & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) && 390 (num_buttons >= 2)) { 391 XTestFakeButtonEvent(awt_display, 2, isMousePress, CurrentTime); 392 } 393 if ((buttonMask & java_awt_event_InputEvent_BUTTON3_MASK || 394 buttonMask & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) && 395 (num_buttons >= 3)) { 396 XTestFakeButtonEvent(awt_display, 3, isMousePress, CurrentTime); 397 } 398 399 if (num_buttons > 3){ 400 int32_t i; 401 int32_t button = 0; 402 for (i = 3; i<num_buttons; i++){ 403 if ((buttonMask & masks[i])) { 404 // arrays starts from zero index => +1 405 // users wants to affect 4 or 5 button but they are assigned 406 // to the wheel so => we have to shift it to the right by 2. 407 button = i + 3; 408 XTestFakeButtonEvent(awt_display, button, isMousePress, CurrentTime); 409 } 410 } 411 } 412 413 XSync(awt_display, False); 414 AWT_UNLOCK(); 415 } 416 417 JNIEXPORT void JNICALL 418 Java_sun_awt_X11_XRobotPeer_mousePressImpl (JNIEnv *env, 419 jclass cls, 420 jint buttonMask) { 421 mouseAction(env, cls, buttonMask, True); 422 } 423 424 JNIEXPORT void JNICALL 425 Java_sun_awt_X11_XRobotPeer_mouseReleaseImpl (JNIEnv *env, 426 jclass cls, 427 jint buttonMask) { 428 mouseAction(env, cls, buttonMask, False); 429 } 430 431 JNIEXPORT void JNICALL 432 Java_sun_awt_X11_XRobotPeer_mouseWheelImpl (JNIEnv *env, 433 jclass cls, 434 jint wheelAmt) { 435 /* Mouse wheel is implemented as a button press of button 4 and 5, so it */ 436 /* probably could have been hacked into robot_mouseButtonEvent, but it's */ 437 /* cleaner to give it its own command type, in case the implementation */ 438 /* needs to be changed later. -bchristi, 6/20/01 */ 439 440 int32_t repeat = abs(wheelAmt); 441 int32_t button = wheelAmt < 0 ? 4 : 5; /* wheel up: button 4 */ 442 /* wheel down: button 5 */ 443 int32_t loopIdx; 444 445 AWT_LOCK(); 446 447 DTRACE_PRINTLN1("RobotPeer: mouseWheelImpl(%i)", wheelAmt); 448 449 for (loopIdx = 0; loopIdx < repeat; loopIdx++) { /* do nothing for */ 450 /* wheelAmt == 0 */ 451 XTestFakeButtonEvent(awt_display, button, True, CurrentTime); 452 XTestFakeButtonEvent(awt_display, button, False, CurrentTime); 453 } 454 XSync(awt_display, False); 455 456 AWT_UNLOCK(); 457 }