37 #ifndef NO_XRANDR
38 #include <X11/extensions/Xrandr.h>
39 #endif
40 #include "GLXGraphicsConfig.h"
41 #endif /* !HEADLESS */
42
43 #include <jni.h>
44 #include <jni_util.h>
45 #include <jvm.h>
46 #include <jvm_md.h>
47 #include <jlong.h>
48 #include "systemScale.h"
49 #include <stdlib.h>
50
51 #include "awt_GraphicsEnv.h"
52 #include "awt_util.h"
53 #include "gdefs.h"
54 #include <dlfcn.h>
55 #include "Trace.h"
56
57 #ifdef NETSCAPE
58 #include <signal.h>
59 extern int awt_init_xt;
60 #endif
61
62 #ifndef HEADLESS
63
64 int awt_numScreens; /* Xinerama-aware number of screens */
65
66 AwtScreenDataPtr x11Screens;
67
68 /*
69 * Set in initDisplay() to indicate whether we should attempt to initialize
70 * GLX for the default configuration.
71 */
72 static jboolean glxRequested = JNI_FALSE;
73
74 #endif /* !HEADLESS */
75
76 #ifdef HEADLESS
77 #define Display void
78 #endif /* HEADLESS */
79
80 Display *awt_display;
81
135
136 #else /* SOLARIS */
137 typedef Status XineramaGetInfoFunc(Display* display, int screen_number,
138 XRectangle* framebuffer_rects, unsigned char* framebuffer_hints,
139 int* num_framebuffers);
140 #endif
141
142 Bool usingXinerama = False;
143 XRectangle fbrects[MAXFRAMEBUFFERS];
144
145 JNIEXPORT void JNICALL
146 Java_sun_awt_X11GraphicsConfig_initIDs (JNIEnv *env, jclass cls)
147 {
148 x11GraphicsConfigIDs.aData = NULL;
149 x11GraphicsConfigIDs.bitsPerPixel = NULL;
150
151 x11GraphicsConfigIDs.aData = (*env)->GetFieldID (env, cls, "aData", "J");
152 CHECK_NULL(x11GraphicsConfigIDs.aData);
153 x11GraphicsConfigIDs.bitsPerPixel = (*env)->GetFieldID (env, cls, "bitsPerPixel", "I");
154 CHECK_NULL(x11GraphicsConfigIDs.bitsPerPixel);
155
156 if (x11GraphicsConfigIDs.aData == NULL ||
157 x11GraphicsConfigIDs.bitsPerPixel == NULL) {
158
159 JNU_ThrowNoSuchFieldError(env, "Can't find a field");
160 return;
161 }
162 }
163
164 #ifndef HEADLESS
165
166 /*
167 * XIOErrorHandler
168 */
169 static int xioerror_handler(Display *disp)
170 {
171 if (awtLockInited) {
172 if (errno == EPIPE) {
173 jio_fprintf(stderr, "X connection to %s host broken (explicit kill or server shutdown)\n", XDisplayName(NULL));
174 }
175 /*SignalError(lockedee->lastpc, lockedee, "fp/ade/gui/GUIException", "I/O error"); */
176 }
177 return 0;
178 }
179
180 static AwtGraphicsConfigDataPtr
181 findWithTemplate(XVisualInfo *vinfo,
687 DTRACE_PRINTLN("Xinerama extension is not available");
688 return;
689 }
690
691 DTRACE_PRINTLN("Xinerama extension is available");
692 #if defined(__linux__) || defined(MACOSX)
693 xinerama_init_linux();
694 #else /* Solaris */
695 xinerama_init_solaris();
696 #endif /* __linux__ || MACOSX */
697 }
698 #endif /* HEADLESS */
699
700 Display *
701 awt_init_Display(JNIEnv *env, jobject this)
702 {
703 jclass klass;
704 Display *dpy;
705 char errmsg[128];
706 int i;
707 #ifdef NETSCAPE
708 sigset_t alarm_set, oldset;
709 #endif
710
711 if (awt_display) {
712 return awt_display;
713 }
714
715 #ifdef NETSCAPE
716 /* Disable interrupts during XtOpenDisplay to avoid bugs in unix os select
717 code: some unix systems don't implement SA_RESTART properly and
718 because of this, select returns with EINTR. Most implementations of
719 gethostbyname don't cope with EINTR properly and as a result we get
720 stuck (forever) in the gethostbyname code
721 */
722 sigemptyset(&alarm_set);
723 sigaddset(&alarm_set, SIGALRM);
724 sigprocmask(SIG_BLOCK, &alarm_set, &oldset);
725 #endif
726
727 /* Load AWT lock-related methods in SunToolkit */
728 klass = (*env)->FindClass(env, "sun/awt/SunToolkit");
729 if (klass == NULL) return NULL;
730 GET_STATIC_METHOD(klass, awtLockMID, "awtLock", "()V");
731 GET_STATIC_METHOD(klass, awtUnlockMID, "awtUnlock", "()V");
732 GET_STATIC_METHOD(klass, awtWaitMID, "awtLockWait", "(J)V");
733 GET_STATIC_METHOD(klass, awtNotifyMID, "awtLockNotify", "()V");
734 GET_STATIC_METHOD(klass, awtNotifyAllMID, "awtLockNotifyAll", "()V");
735 tkClass = (*env)->NewGlobalRef(env, klass);
736 awtLockInited = JNI_TRUE;
737
738 if (getenv("_AWT_IGNORE_XKB") != NULL &&
739 strlen(getenv("_AWT_IGNORE_XKB")) > 0) {
740 if (XkbIgnoreExtension(True)) {
741 printf("Ignoring XKB.\n");
742 }
743 }
744
745 dpy = awt_display = XOpenDisplay(NULL);
746 #ifdef NETSCAPE
747 sigprocmask(SIG_SETMASK, &oldset, NULL);
748 #endif
749 if (!dpy) {
750 jio_snprintf(errmsg,
751 sizeof(errmsg),
752 "Can't connect to X11 window server using '%s' as the value of the DISPLAY variable.",
753 (getenv("DISPLAY") == NULL) ? ":0.0" : getenv("DISPLAY"));
754 JNU_ThrowByName(env, "java/awt/AWTError", errmsg);
755 return NULL;
756 }
757
758 XSetIOErrorHandler(xioerror_handler);
759 JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", "init", "(J)V",
760 ptr_to_jlong(awt_display));
761 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
762
763 /* set awt_numScreens, and whether or not we're using Xinerama */
764 xineramaInit();
765
766 if (!usingXinerama) {
767 awt_numScreens = XScreenCount(awt_display);
768 }
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37 #ifndef NO_XRANDR
38 #include <X11/extensions/Xrandr.h>
39 #endif
40 #include "GLXGraphicsConfig.h"
41 #endif /* !HEADLESS */
42
43 #include <jni.h>
44 #include <jni_util.h>
45 #include <jvm.h>
46 #include <jvm_md.h>
47 #include <jlong.h>
48 #include "systemScale.h"
49 #include <stdlib.h>
50
51 #include "awt_GraphicsEnv.h"
52 #include "awt_util.h"
53 #include "gdefs.h"
54 #include <dlfcn.h>
55 #include "Trace.h"
56
57 #ifndef HEADLESS
58
59 int awt_numScreens; /* Xinerama-aware number of screens */
60
61 AwtScreenDataPtr x11Screens;
62
63 /*
64 * Set in initDisplay() to indicate whether we should attempt to initialize
65 * GLX for the default configuration.
66 */
67 static jboolean glxRequested = JNI_FALSE;
68
69 #endif /* !HEADLESS */
70
71 #ifdef HEADLESS
72 #define Display void
73 #endif /* HEADLESS */
74
75 Display *awt_display;
76
130
131 #else /* SOLARIS */
132 typedef Status XineramaGetInfoFunc(Display* display, int screen_number,
133 XRectangle* framebuffer_rects, unsigned char* framebuffer_hints,
134 int* num_framebuffers);
135 #endif
136
137 Bool usingXinerama = False;
138 XRectangle fbrects[MAXFRAMEBUFFERS];
139
140 JNIEXPORT void JNICALL
141 Java_sun_awt_X11GraphicsConfig_initIDs (JNIEnv *env, jclass cls)
142 {
143 x11GraphicsConfigIDs.aData = NULL;
144 x11GraphicsConfigIDs.bitsPerPixel = NULL;
145
146 x11GraphicsConfigIDs.aData = (*env)->GetFieldID (env, cls, "aData", "J");
147 CHECK_NULL(x11GraphicsConfigIDs.aData);
148 x11GraphicsConfigIDs.bitsPerPixel = (*env)->GetFieldID (env, cls, "bitsPerPixel", "I");
149 CHECK_NULL(x11GraphicsConfigIDs.bitsPerPixel);
150 }
151
152 #ifndef HEADLESS
153
154 /*
155 * XIOErrorHandler
156 */
157 static int xioerror_handler(Display *disp)
158 {
159 if (awtLockInited) {
160 if (errno == EPIPE) {
161 jio_fprintf(stderr, "X connection to %s host broken (explicit kill or server shutdown)\n", XDisplayName(NULL));
162 }
163 /*SignalError(lockedee->lastpc, lockedee, "fp/ade/gui/GUIException", "I/O error"); */
164 }
165 return 0;
166 }
167
168 static AwtGraphicsConfigDataPtr
169 findWithTemplate(XVisualInfo *vinfo,
675 DTRACE_PRINTLN("Xinerama extension is not available");
676 return;
677 }
678
679 DTRACE_PRINTLN("Xinerama extension is available");
680 #if defined(__linux__) || defined(MACOSX)
681 xinerama_init_linux();
682 #else /* Solaris */
683 xinerama_init_solaris();
684 #endif /* __linux__ || MACOSX */
685 }
686 #endif /* HEADLESS */
687
688 Display *
689 awt_init_Display(JNIEnv *env, jobject this)
690 {
691 jclass klass;
692 Display *dpy;
693 char errmsg[128];
694 int i;
695
696 if (awt_display) {
697 return awt_display;
698 }
699
700 /* Load AWT lock-related methods in SunToolkit */
701 klass = (*env)->FindClass(env, "sun/awt/SunToolkit");
702 if (klass == NULL) return NULL;
703 GET_STATIC_METHOD(klass, awtLockMID, "awtLock", "()V");
704 GET_STATIC_METHOD(klass, awtUnlockMID, "awtUnlock", "()V");
705 GET_STATIC_METHOD(klass, awtWaitMID, "awtLockWait", "(J)V");
706 GET_STATIC_METHOD(klass, awtNotifyMID, "awtLockNotify", "()V");
707 GET_STATIC_METHOD(klass, awtNotifyAllMID, "awtLockNotifyAll", "()V");
708 tkClass = (*env)->NewGlobalRef(env, klass);
709 awtLockInited = JNI_TRUE;
710
711 if (getenv("_AWT_IGNORE_XKB") != NULL &&
712 strlen(getenv("_AWT_IGNORE_XKB")) > 0) {
713 if (XkbIgnoreExtension(True)) {
714 printf("Ignoring XKB.\n");
715 }
716 }
717
718 dpy = awt_display = XOpenDisplay(NULL);
719 if (!dpy) {
720 jio_snprintf(errmsg,
721 sizeof(errmsg),
722 "Can't connect to X11 window server using '%s' as the value of the DISPLAY variable.",
723 (getenv("DISPLAY") == NULL) ? ":0.0" : getenv("DISPLAY"));
724 JNU_ThrowByName(env, "java/awt/AWTError", errmsg);
725 return NULL;
726 }
727
728 XSetIOErrorHandler(xioerror_handler);
729 JNU_CallStaticMethodByName(env, NULL, "sun/awt/X11/XErrorHandlerUtil", "init", "(J)V",
730 ptr_to_jlong(awt_display));
731 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
732
733 /* set awt_numScreens, and whether or not we're using Xinerama */
734 xineramaInit();
735
736 if (!usingXinerama) {
737 awt_numScreens = XScreenCount(awt_display);
738 }
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