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/*
* Copyright (c) 1999, 2014, 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 "awt_p.h"
#include "awt_GraphicsEnv.h"
#define XK_MISCELLANY
#include <X11/keysymdef.h>
#include <X11/Intrinsic.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"
#if defined(__linux__) || defined(MACOSX)
#include <sys/socket.h>
#endif
extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs;
static jint * masks;
static jint num_buttons;
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 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 x,
jint y,
jint width,
jint height,
jintArray pixelArray) {
XImage *image;
jint *ary; /* Array of jints for sending pixel values back
* to parent process.
*/
Window rootWindow;
AwtGraphicsConfigDataPtr adata;
DTRACE_PRINTLN6("RobotPeer: getRGBPixelsImpl(%lx, %d, %d, %d, %d, %x)", xgc, x, y, width, height, pixelArray);
AWT_LOCK();
/* avoid a lot of work for empty rectangles */
if ((width * height) == 0) {
AWT_UNLOCK();
return;
}
DASSERT(width * height > 0); /* only allow positive size */
adata = (AwtGraphicsConfigDataPtr) JNU_GetLongFieldAsPtr(env, xgc, x11GraphicsConfigIDs.aData);
DASSERT(adata != NULL);
rootWindow = XRootWindow(awt_display, adata->awt_visInfo.screen);
image = getWindowImage(awt_display, rootWindow, x, y, width, height);
/* Array to use to crunch around the pixel values */
if (!IS_SAFE_SIZE_MUL(width, height) ||
!(ary = (jint *) SAFE_SIZE_ARRAY_ALLOC(malloc, width * height, sizeof (jint))))
{
JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
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 */
ary[(y * width) + x] = pixel;
}
}
(*env)->SetIntArrayRegion(env, pixelArray, 0, height * width, ary);
free(ary);
XDestroyImage(image);
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();
}