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#include <inttypes.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
/* Linux headers don't work properly */
#define __USE_GNU
#include <dlfcn.h>
#undef __USE_GNU
/* Current versions of Solaris don't expose the XF86 extensions,
although with the recent transition to Xorg this will probably
happen in an upcoming release */
#if !defined(__sun) && !defined(_HPUX)
#include <X11/extensions/xf86vmode.h>
#else
/* Need to provide stubs for these */
Bool XF86VidModeGetGammaRampSize(
Display *display,
int screen,
int* size)
{
return False;
}
Bool XF86VidModeGetGammaRamp(
Display *display,
int screen,
int size,
unsigned short *red_array,
unsigned short *green_array,
unsigned short *blue_array) {
return False;
}
Bool XF86VidModeSetGammaRamp(
Display *display,
int screen,
int size,
unsigned short *red_array,
unsigned short *green_array,
unsigned short *blue_array) {
return False;
}
#endif
/* HP-UX doesn't define RTLD_DEFAULT. */
#if defined(_HPUX) && !defined(RTLD_DEFAULT)
#define RTLD_DEFAULT NULL
#endif
/* Need to expose DefaultScreen and RootWindow macros to Java */
JNIEXPORT jlong JNICALL
Java_com_sun_nativewindow_impl_x11_X11Lib_DefaultScreen(JNIEnv *env, jclass _unused, jlong display) {
return DefaultScreen((Display*) (intptr_t) display);
}
JNIEXPORT jlong JNICALL
Java_com_sun_nativewindow_impl_x11_X11Lib_DefaultVisualID(JNIEnv *env, jclass _unused, jlong display, jint screen) {
return (jlong) XVisualIDFromVisual( DefaultVisual( (Display*) (intptr_t) display, screen ) );
}
JNIEXPORT jlong JNICALL
Java_com_sun_nativewindow_impl_x11_X11Lib_RootWindow(JNIEnv *env, jclass _unused, jlong display, jint screen) {
return RootWindow((Display*) (intptr_t) display, screen);
}
JNIEXPORT jlong JNICALL
Java_com_sun_nativewindow_impl_x11_X11Lib_dlopen(JNIEnv *env, jclass _unused, jstring name) {
const jbyte* chars;
void* res;
chars = (*env)->GetStringUTFChars(env, name, NULL);
res = dlopen(chars, RTLD_LAZY | RTLD_GLOBAL);
(*env)->ReleaseStringUTFChars(env, name, chars);
return (jlong) ((intptr_t) res);
}
JNIEXPORT jlong JNICALL
Java_com_sun_nativewindow_impl_x11_X11Lib_dlsym(JNIEnv *env, jclass _unused, jstring name) {
const jbyte* chars;
void* res;
chars = (*env)->GetStringUTFChars(env, name, NULL);
res = dlsym(RTLD_DEFAULT, chars);
(*env)->ReleaseStringUTFChars(env, name, chars);
return (jlong) ((intptr_t) res);
}
/* Need to pull this in as we don't have a stub header for it */
extern Bool XineramaEnabled(Display* display);
static const char * clazzNameInternalBufferUtil = "com/sun/nativewindow/impl/InternalBufferUtil";
static const char * clazzNameInternalBufferUtilStaticCstrName = "copyByteBuffer";
static const char * clazzNameInternalBufferUtilStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;";
static const char * clazzNameByteBuffer = "java/nio/ByteBuffer";
static jclass clazzInternalBufferUtil = NULL;
static jmethodID cstrInternalBufferUtil = NULL;
static jclass clazzByteBuffer = NULL;
static void _initClazzAccess(JNIEnv *env) {
jclass c;
if(NULL!=cstrInternalBufferUtil) return ;
c = (*env)->FindClass(env, clazzNameInternalBufferUtil);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't find %s\n", clazzNameInternalBufferUtil);
(*env)->FatalError(env, clazzNameInternalBufferUtil);
}
clazzInternalBufferUtil = (jclass)(*env)->NewGlobalRef(env, c);
if(NULL==clazzInternalBufferUtil) {
fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't use %s\n", clazzNameInternalBufferUtil);
(*env)->FatalError(env, clazzNameInternalBufferUtil);
}
c = (*env)->FindClass(env, clazzNameByteBuffer);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't find %s\n", clazzNameByteBuffer);
(*env)->FatalError(env, clazzNameByteBuffer);
}
clazzByteBuffer = (jclass)(*env)->NewGlobalRef(env, c);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib: can't use %s\n", clazzNameByteBuffer);
(*env)->FatalError(env, clazzNameByteBuffer);
}
cstrInternalBufferUtil = (*env)->GetStaticMethodID(env, clazzInternalBufferUtil,
clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature);
if(NULL==cstrInternalBufferUtil) {
fprintf(stderr, "FatalError: Java_com_sun_nativewindow_impl_x11_X11Lib:: can't create %s.%s %s\n",
clazzNameInternalBufferUtil,
clazzNameInternalBufferUtilStaticCstrName, clazzNameInternalBufferUtilStaticCstrSignature);
(*env)->FatalError(env, clazzNameInternalBufferUtilStaticCstrName);
}
}
/* Java->C glue code:
* Java package: com.sun.nativewindow.impl.x11.X11Lib
* Java method: XVisualInfo XGetVisualInfo(long arg0, long arg1, XVisualInfo arg2, java.nio.IntBuffer arg3)
* C function: XVisualInfo * XGetVisualInfo(Display * , long, XVisualInfo * , int * );
*/
JNIEXPORT jobject JNICALL
Java_com_sun_nativewindow_impl_x11_X11Lib_XGetVisualInfoCopied1__JJLjava_nio_ByteBuffer_2Ljava_lang_Object_2I(JNIEnv *env, jclass _unused, jlong arg0, jlong arg1, jobject arg2, jobject arg3, jint arg3_byte_offset) {
XVisualInfo * _ptr2 = NULL;
int * _ptr3 = NULL;
XVisualInfo * _res;
int count;
if (arg2 != NULL) {
_ptr2 = (XVisualInfo *) (((char*) (*env)->GetDirectBufferAddress(env, arg2)) + 0);
}
if (arg3 != NULL) {
_ptr3 = (int *) (((char*) (*env)->GetPrimitiveArrayCritical(env, arg3, NULL)) + arg3_byte_offset);
}
_res = XGetVisualInfo((Display *) (intptr_t) arg0, (long) arg1, (XVisualInfo *) _ptr2, (int *) _ptr3);
count = _ptr3[0];
if (arg3 != NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, arg3, _ptr3, 0);
}
if (_res == NULL) return NULL;
_initClazzAccess(env);
jobject jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(XVisualInfo));
jobject jbyteCopy = (*env)->CallStaticObjectMethod(env,
clazzInternalBufferUtil, cstrInternalBufferUtil, jbyteSource);
// FIXME: remove reference/gc jbyteSource ??
XFree(_res);
return jbyteCopy;
}
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