| /* |
| * Copyright (c) 1999, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #ifdef HEADLESS |
| #error This file should not be included in headless library |
| #endif |
| |
| #include "jvm_md.h" |
| #include <dlfcn.h> |
| |
| #include "awt_p.h" |
| #include "awt_GraphicsEnv.h" |
| #define XK_MISCELLANY |
| #include <X11/keysymdef.h> |
| #include <X11/Xutil.h> |
| #include <X11/Xmd.h> |
| #include <X11/extensions/xtestext1.h> |
| #include <X11/extensions/XTest.h> |
| #include <X11/extensions/XInput.h> |
| #include <X11/extensions/XI.h> |
| #include <jni.h> |
| #include <sizecalc.h> |
| #include "robot_common.h" |
| #include "canvas.h" |
| #include "wsutils.h" |
| #include "list.h" |
| #include "multiVis.h" |
| #include "gtk_interface.h" |
| |
| #if defined(__linux__) || defined(MACOSX) |
| #include <sys/socket.h> |
| #endif |
| |
| static Bool (*compositeQueryExtension) (Display*, int*, int*); |
| static Status (*compositeQueryVersion) (Display*, int*, int*); |
| static Window (*compositeGetOverlayWindow) (Display *, Window); |
| |
| extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs; |
| |
| static jint * masks; |
| static jint num_buttons; |
| |
| static void *xCompositeHandle; |
| |
| static const char* XCOMPOSITE = JNI_LIB_NAME("Xcomposite"); |
| static const char* XCOMPOSITE_VERSIONED = VERSIONED_JNI_LIB_NAME("Xcomposite", "1"); |
| |
| static Bool checkXCompositeFunctions(void) { |
| return (compositeQueryExtension != NULL && |
| compositeQueryVersion != NULL && |
| compositeGetOverlayWindow != NULL); |
| } |
| |
| static void initXCompositeFunctions(void) { |
| |
| if (xCompositeHandle == NULL) { |
| xCompositeHandle = dlopen(XCOMPOSITE, RTLD_LAZY | RTLD_GLOBAL); |
| if (xCompositeHandle == NULL) { |
| xCompositeHandle = dlopen(XCOMPOSITE_VERSIONED, RTLD_LAZY | RTLD_GLOBAL); |
| } |
| } |
| //*(void **)(&asyncGetCallTraceFunction) |
| if (xCompositeHandle != NULL) { |
| *(void **)(&compositeQueryExtension) = dlsym(xCompositeHandle, "XCompositeQueryExtension"); |
| *(void **)(&compositeQueryVersion) = dlsym(xCompositeHandle, "XCompositeQueryVersion"); |
| *(void **)(&compositeGetOverlayWindow) = dlsym(xCompositeHandle, "XCompositeGetOverlayWindow"); |
| } |
| |
| if (xCompositeHandle && !checkXCompositeFunctions()) { |
| dlclose(xCompositeHandle); |
| } |
| } |
| |
| static int32_t isXTestAvailable() { |
| int32_t major_opcode, first_event, first_error; |
| int32_t event_basep, error_basep, majorp, minorp; |
| int32_t isXTestAvailable; |
| |
| /* check if XTest is available */ |
| isXTestAvailable = XQueryExtension(awt_display, XTestExtensionName, &major_opcode, &first_event, &first_error); |
| if (isXTestAvailable) { |
| DTRACE_PRINTLN3("RobotPeer: XQueryExtension(XTEST) returns major_opcode = %d, first_event = %d, first_error = %d", |
| major_opcode, first_event, first_error); |
| /* check if XTest version is OK */ |
| XTestQueryExtension(awt_display, &event_basep, &error_basep, &majorp, &minorp); |
| DTRACE_PRINTLN4("RobotPeer: XTestQueryExtension returns event_basep = %d, error_basep = %d, majorp = %d, minorp = %d", |
| event_basep, error_basep, majorp, minorp); |
| if (majorp < 2 || (majorp == 2 && minorp < 2)) { |
| /* bad version*/ |
| DTRACE_PRINTLN2("XRobotPeer: XTEST version is %d.%d \n", majorp, minorp); |
| if (majorp == 2 && minorp == 1) { |
| DTRACE_PRINTLN("XRobotPeer: XTEST is 2.1 - no grab is available\n"); |
| } else { |
| isXTestAvailable = False; |
| } |
| } else { |
| /* allow XTest calls even if someone else has the grab; e.g. during |
| * a window resize operation. Works only with XTEST2.2*/ |
| XTestGrabControl(awt_display, True); |
| } |
| } else { |
| DTRACE_PRINTLN("RobotPeer: XTEST extension is unavailable"); |
| } |
| |
| return isXTestAvailable; |
| } |
| |
| static Bool hasXCompositeOverlayExtension(Display *display) { |
| |
| int xoverlay = False; |
| int eventBase, errorBase; |
| if (checkXCompositeFunctions() && |
| compositeQueryExtension(display, &eventBase, &errorBase)) |
| { |
| int major = 0; |
| int minor = 0; |
| |
| compositeQueryVersion(display, &major, &minor); |
| if (major > 0 || minor >= 3) { |
| xoverlay = True; |
| } |
| } |
| |
| return xoverlay; |
| } |
| |
| static jboolean isXCompositeDisplay(Display *display, int screenNumber) { |
| |
| char NET_WM_CM_Sn[25]; |
| snprintf(NET_WM_CM_Sn, sizeof(NET_WM_CM_Sn), "_NET_WM_CM_S%d\0", screenNumber); |
| |
| Atom managerSelection = XInternAtom(display, NET_WM_CM_Sn, 0); |
| Window owner = XGetSelectionOwner(display, managerSelection); |
| |
| return owner != 0; |
| } |
| |
| static XImage *getWindowImage(Display * display, Window window, |
| int32_t x, int32_t y, |
| int32_t w, int32_t h) { |
| XImage *image; |
| int32_t transparentOverlays; |
| int32_t numVisuals; |
| XVisualInfo *pVisuals; |
| int32_t numOverlayVisuals; |
| OverlayInfo *pOverlayVisuals; |
| int32_t numImageVisuals; |
| XVisualInfo **pImageVisuals; |
| list_ptr vis_regions; /* list of regions to read from */ |
| list_ptr vis_image_regions ; |
| int32_t allImage = 0 ; |
| int32_t format = ZPixmap; |
| |
| /* prevent user from moving stuff around during the capture */ |
| XGrabServer(display); |
| |
| /* |
| * The following two functions live in multiVis.c-- they are pretty |
| * much verbatim taken from the source to the xwd utility from the |
| * X11 source. This version of the xwd source was somewhat better written |
| * for reuse compared to Sun's version. |
| * |
| * ftp.x.org/pub/R6.3/xc/programs/xwd |
| * |
| * We use these functions since they do the very tough job of capturing |
| * the screen correctly when it contains multiple visuals. They take into |
| * account the depth/colormap of each visual and produce a capture as a |
| * 24-bit RGB image so we don't have to fool around with colormaps etc. |
| */ |
| |
| GetMultiVisualRegions( |
| display, |
| window, |
| x, y, w, h, |
| &transparentOverlays, |
| &numVisuals, |
| &pVisuals, |
| &numOverlayVisuals, |
| &pOverlayVisuals, |
| &numImageVisuals, |
| &pImageVisuals, |
| &vis_regions, |
| &vis_image_regions, |
| &allImage ); |
| |
| image = ReadAreaToImage( |
| display, |
| window, |
| x, y, w, h, |
| numVisuals, |
| pVisuals, |
| numOverlayVisuals, |
| pOverlayVisuals, |
| numImageVisuals, |
| pImageVisuals, |
| vis_regions, |
| vis_image_regions, |
| format, |
| allImage ); |
| |
| /* allow user to do stuff again */ |
| XUngrabServer(display); |
| |
| /* make sure the grab/ungrab is flushed */ |
| XSync(display, False); |
| |
| return image; |
| } |
| |
| /*********************************************************************************************/ |
| |
| // this should be called from XRobotPeer constructor |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_setup (JNIEnv * env, jclass cls, jint numberOfButtons, jintArray buttonDownMasks) |
| { |
| int32_t xtestAvailable; |
| jint *tmp; |
| int i; |
| |
| DTRACE_PRINTLN("RobotPeer: setup()"); |
| |
| num_buttons = numberOfButtons; |
| tmp = (*env)->GetIntArrayElements(env, buttonDownMasks, JNI_FALSE); |
| CHECK_NULL(tmp); |
| |
| masks = (jint *)SAFE_SIZE_ARRAY_ALLOC(malloc, sizeof(jint), num_buttons); |
| if (masks == (jint *) NULL) { |
| (*env)->ExceptionClear(env); |
| (*env)->ReleaseIntArrayElements(env, buttonDownMasks, tmp, 0); |
| JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2), NULL); |
| return; |
| } |
| for (i = 0; i < num_buttons; i++) { |
| masks[i] = tmp[i]; |
| } |
| (*env)->ReleaseIntArrayElements(env, buttonDownMasks, tmp, 0); |
| |
| AWT_LOCK(); |
| xtestAvailable = isXTestAvailable(); |
| DTRACE_PRINTLN1("RobotPeer: XTest available = %d", xtestAvailable); |
| if (!xtestAvailable) { |
| JNU_ThrowByName(env, "java/awt/AWTException", "java.awt.Robot requires your X server support the XTEST extension version 2.2"); |
| } |
| |
| AWT_UNLOCK(); |
| } |
| |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_getRGBPixelsImpl( JNIEnv *env, |
| jclass cls, |
| jobject xgc, |
| jint jx, |
| jint jy, |
| jint jwidth, |
| jint jheight, |
| jintArray pixelArray, |
| jboolean useGtk) { |
| XImage *image; |
| jint *ary; /* Array of jints for sending pixel values back |
| * to parent process. |
| */ |
| Window rootWindow; |
| XWindowAttributes attr; |
| AwtGraphicsConfigDataPtr adata; |
| |
| DTRACE_PRINTLN6("RobotPeer: getRGBPixelsImpl(%lx, %d, %d, %d, %d, %x)", xgc, jx, jy, jwidth, jheight, pixelArray); |
| |
| if (jwidth <= 0 || jheight <= 0) { |
| return; |
| } |
| |
| adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData); |
| DASSERT(adata != NULL); |
| |
| AWT_LOCK(); |
| |
| rootWindow = XRootWindow(awt_display, adata->awt_visInfo.screen); |
| |
| if (!useGtk) { |
| if (hasXCompositeOverlayExtension(awt_display) && |
| isXCompositeDisplay(awt_display, adata->awt_visInfo.screen)) |
| { |
| rootWindow = compositeGetOverlayWindow(awt_display, rootWindow); |
| } |
| } |
| |
| if (!XGetWindowAttributes(awt_display, rootWindow, &attr) |
| || jx + jwidth <= attr.x |
| || attr.x + attr.width <= jx |
| || jy + jheight <= attr.y |
| || attr.y + attr.height <= jy) { |
| |
| AWT_UNLOCK(); |
| return; // Does not intersect with root window |
| } |
| |
| gboolean gtk_failed = TRUE; |
| jint _x, _y; |
| |
| jint x = MAX(jx, attr.x); |
| jint y = MAX(jy, attr.y); |
| jint width = MIN(jx + jwidth, attr.x + attr.width) - x; |
| jint height = MIN(jy + jheight, attr.y + attr.height) - y; |
| |
| int dx = attr.x > jx ? attr.x - jx : 0; |
| int dy = attr.y > jy ? attr.y - jy : 0; |
| |
| int index; |
| |
| if (useGtk) { |
| gtk->gdk_threads_enter(); |
| gtk_failed = gtk->get_drawable_data(env, pixelArray, x, y, width, |
| height, jwidth, dx, dy, 1); |
| gtk->gdk_threads_leave(); |
| } |
| |
| if (gtk_failed) { |
| image = getWindowImage(awt_display, rootWindow, x, y, width, height); |
| |
| ary = (*env)->GetPrimitiveArrayCritical(env, pixelArray, NULL); |
| |
| if (!ary) { |
| XDestroyImage(image); |
| AWT_UNLOCK(); |
| return; |
| } |
| |
| /* convert to Java ARGB pixels */ |
| for (_y = 0; _y < height; _y++) { |
| for (_x = 0; _x < width; _x++) { |
| jint pixel = (jint) XGetPixel(image, _x, _y); |
| /* Note ignore upper |
| * 32-bits on 64-bit |
| * OSes. |
| */ |
| pixel |= 0xff000000; /* alpha - full opacity */ |
| |
| index = (_y + dy) * jwidth + (_x + dx); |
| ary[index] = pixel; |
| } |
| } |
| |
| XDestroyImage(image); |
| (*env)->ReleasePrimitiveArrayCritical(env, pixelArray, ary, 0); |
| } |
| AWT_UNLOCK(); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_keyPressImpl (JNIEnv *env, |
| jclass cls, |
| jint keycode) { |
| |
| AWT_LOCK(); |
| |
| DTRACE_PRINTLN1("RobotPeer: keyPressImpl(%i)", keycode); |
| |
| XTestFakeKeyEvent(awt_display, |
| XKeysymToKeycode(awt_display, awt_getX11KeySym(keycode)), |
| True, |
| CurrentTime); |
| |
| XSync(awt_display, False); |
| |
| AWT_UNLOCK(); |
| |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_keyReleaseImpl (JNIEnv *env, |
| jclass cls, |
| jint keycode) { |
| AWT_LOCK(); |
| |
| DTRACE_PRINTLN1("RobotPeer: keyReleaseImpl(%i)", keycode); |
| |
| XTestFakeKeyEvent(awt_display, |
| XKeysymToKeycode(awt_display, awt_getX11KeySym(keycode)), |
| False, |
| CurrentTime); |
| |
| XSync(awt_display, False); |
| |
| AWT_UNLOCK(); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_mouseMoveImpl (JNIEnv *env, |
| jclass cls, |
| jobject xgc, |
| jint root_x, |
| jint root_y) { |
| |
| AwtGraphicsConfigDataPtr adata; |
| |
| AWT_LOCK(); |
| |
| DTRACE_PRINTLN3("RobotPeer: mouseMoveImpl(%lx, %i, %i)", xgc, root_x, root_y); |
| |
| adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData); |
| DASSERT(adata != NULL); |
| |
| XWarpPointer(awt_display, None, XRootWindow(awt_display, adata->awt_visInfo.screen), 0, 0, 0, 0, root_x, root_y); |
| XSync(awt_display, False); |
| |
| AWT_UNLOCK(); |
| } |
| |
| /* |
| * Function joining the code of mousePressImpl and mouseReleaseImpl |
| */ |
| void mouseAction(JNIEnv *env, |
| jclass cls, |
| jint buttonMask, |
| Bool isMousePress) |
| { |
| AWT_LOCK(); |
| |
| DTRACE_PRINTLN1("RobotPeer: mouseAction(%i)", buttonMask); |
| DTRACE_PRINTLN1("RobotPeer: mouseAction, press = %d", isMousePress); |
| |
| if (buttonMask & java_awt_event_InputEvent_BUTTON1_MASK || |
| buttonMask & java_awt_event_InputEvent_BUTTON1_DOWN_MASK ) |
| { |
| XTestFakeButtonEvent(awt_display, 1, isMousePress, CurrentTime); |
| } |
| if ((buttonMask & java_awt_event_InputEvent_BUTTON2_MASK || |
| buttonMask & java_awt_event_InputEvent_BUTTON2_DOWN_MASK) && |
| (num_buttons >= 2)) { |
| XTestFakeButtonEvent(awt_display, 2, isMousePress, CurrentTime); |
| } |
| if ((buttonMask & java_awt_event_InputEvent_BUTTON3_MASK || |
| buttonMask & java_awt_event_InputEvent_BUTTON3_DOWN_MASK) && |
| (num_buttons >= 3)) { |
| XTestFakeButtonEvent(awt_display, 3, isMousePress, CurrentTime); |
| } |
| |
| if (num_buttons > 3){ |
| int32_t i; |
| int32_t button = 0; |
| for (i = 3; i<num_buttons; i++){ |
| if ((buttonMask & masks[i])) { |
| // arrays starts from zero index => +1 |
| // users wants to affect 4 or 5 button but they are assigned |
| // to the wheel so => we have to shift it to the right by 2. |
| button = i + 3; |
| XTestFakeButtonEvent(awt_display, button, isMousePress, CurrentTime); |
| } |
| } |
| } |
| |
| XSync(awt_display, False); |
| AWT_UNLOCK(); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_mousePressImpl (JNIEnv *env, |
| jclass cls, |
| jint buttonMask) { |
| mouseAction(env, cls, buttonMask, True); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_mouseReleaseImpl (JNIEnv *env, |
| jclass cls, |
| jint buttonMask) { |
| mouseAction(env, cls, buttonMask, False); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_mouseWheelImpl (JNIEnv *env, |
| jclass cls, |
| jint wheelAmt) { |
| /* Mouse wheel is implemented as a button press of button 4 and 5, so it */ |
| /* probably could have been hacked into robot_mouseButtonEvent, but it's */ |
| /* cleaner to give it its own command type, in case the implementation */ |
| /* needs to be changed later. -bchristi, 6/20/01 */ |
| |
| int32_t repeat = abs(wheelAmt); |
| int32_t button = wheelAmt < 0 ? 4 : 5; /* wheel up: button 4 */ |
| /* wheel down: button 5 */ |
| int32_t loopIdx; |
| |
| AWT_LOCK(); |
| |
| DTRACE_PRINTLN1("RobotPeer: mouseWheelImpl(%i)", wheelAmt); |
| |
| for (loopIdx = 0; loopIdx < repeat; loopIdx++) { /* do nothing for */ |
| /* wheelAmt == 0 */ |
| XTestFakeButtonEvent(awt_display, button, True, CurrentTime); |
| XTestFakeButtonEvent(awt_display, button, False, CurrentTime); |
| } |
| XSync(awt_display, False); |
| |
| AWT_UNLOCK(); |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_awt_X11_XRobotPeer_loadNativeLibraries (JNIEnv *env, jclass cls) { |
| initXCompositeFunctions(); |
| } |
