--- a/jdk/src/java.desktop/unix/native/libawt_xawt/awt/awt_Robot.c Mon Jul 11 20:36:13 2016 +0300
+++ b/jdk/src/java.desktop/unix/native/libawt_xawt/awt/awt_Robot.c Mon Jul 11 16:52:50 2016 +0200
@@ -27,6 +27,9 @@
#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
@@ -50,11 +53,46 @@
#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;
@@ -89,6 +127,35 @@
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,
@@ -211,7 +278,7 @@
jint jheight,
jint scale,
jintArray pixelArray,
- jboolean isGtkSupported) {
+ jboolean useGtk) {
XImage *image;
jint *ary; /* Array of jints for sending pixel values back
* to parent process.
@@ -238,6 +305,14 @@
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)
|| sx + swidth <= attr.x
|| attr.x + attr.width <= sx
@@ -262,7 +337,7 @@
int index;
- if (isGtkSupported) {
+ if (useGtk) {
gtk->gdk_threads_enter();
gtk_failed = gtk->get_drawable_data(env, pixelArray, x, y, width,
height, jwidth, dx, dy, scale);
@@ -454,3 +529,8 @@
AWT_UNLOCK();
}
+
+JNIEXPORT void JNICALL
+Java_sun_awt_X11_XRobotPeer_loadNativeLibraries (JNIEnv *env, jclass cls) {
+ initXCompositeFunctions();
+}