src/solaris/native/sun/awt/awt_util.h - toolchain/jdk/jdk9_jdk - Git at Google

 /*
  * Copyright (c) 1995, 2004, 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.
  */

 #ifndef _AWT_UTIL_H_
 #define _AWT_UTIL_H_

 #ifndef HEADLESS
 #ifndef XAWT
 #include <Xm/VendorSEP.h>
 #include <Xm/VendorSP.h>
 #endif
 #include "gdefs.h"

 typedef struct ConvertEventTimeAndModifiers {
     jlong when;
     jint modifiers;
 } ConvertEventTimeAndModifiers;

 Boolean awt_util_focusIsOnMenu(Display *display);
 int32_t awt_util_sendButtonClick(Display *display, Window window);

 Widget awt_util_createWarningWindow(Widget parent, char *warning);
 void awt_util_show(Widget w);
 void awt_util_hide(Widget w);
 void awt_util_enable(Widget w);
 void awt_util_disable(Widget w);
 void awt_util_reshape(Widget w, jint x, jint y, jint wd, jint ht);
 void awt_util_mapChildren(Widget w, void (*func)(Widget,void *),
                           int32_t applyToSelf, void *data);
 int32_t awt_util_setCursor(Widget w, Cursor c);
 void awt_util_convertEventTimeAndModifiers
     (XEvent *event, ConvertEventTimeAndModifiers *output);
 Widget awt_WidgetAtXY(Widget root, Position x, Position y);
 char *awt_util_makeWMMenuItem(char *target, Atom protocol);
 Cardinal awt_util_insertCallback(Widget w);
 void awt_util_consumeAllXEvents(Widget widget);
 void awt_util_cleanupBeforeDestroyWidget(Widget widget);
 void awt_util_debug_init();
 Time awt_util_getCurrentServerTime();
 jlong awt_util_nowMillisUTC();
 jlong awt_util_nowMillisUTC_offset(Time server_offset);
 void awt_util_do_wheel_scroll(Widget scrolled_window, jint scrollType,
                                 jint scrollAmt, jint wheelAmt);
 Widget awt_util_get_scrollbar_to_scroll(Widget window);


 typedef struct _EmbeddedFrame {
     Widget embeddedFrame;
     Window frameContainer;
     jobject javaRef;
     Boolean eventSelectedPreviously;
     struct _EmbeddedFrame * next;
     struct _EmbeddedFrame * prev;
 } EmbeddedFrame;

 void awt_util_addEmbeddedFrame(Widget embeddedFrame, jobject javaRef);
 void awt_util_delEmbeddedFrame(Widget embeddedFrame);
 Boolean awt_util_processEventForEmbeddedFrame(XEvent *ev);

 #define WITH_XERROR_HANDLER(f) do {             \
     XSync(awt_display, False);                  \
     xerror_code = Success;                      \
     xerror_saved_handler = XSetErrorHandler(f); \
 } while (0)

 /* Convenience macro for handlers to use */
 #define XERROR_SAVE(err) do {                   \
     xerror_code = (err)->error_code;            \
 } while (0)

 #define RESTORE_XERROR_HANDLER do {             \
     XSync(awt_display, False);                  \
     XSetErrorHandler(xerror_saved_handler);     \
 } while (0)

 #define EXEC_WITH_XERROR_HANDLER(f, code) do {  \
     WITH_XERROR_HANDLER(f);                     \
     do {                                        \
         code;                                   \
     } while (0);                                \
     RESTORE_XERROR_HANDLER;                     \
 } while (0)

 /*
  * Since X reports protocol errors asynchronously, we often need to
  * install an error handler that acts like a callback.  While that
  * specialized handler is installed we save original handler here.
  */
 extern XErrorHandler xerror_saved_handler;

 /*
  * A place for error handler to report the error code.
  */
 extern unsigned char xerror_code;

 extern int xerror_ignore_bad_window(Display *dpy, XErrorEvent *err);

 #endif /* !HEADLESS */

 #ifndef INTERSECTS
 #define INTERSECTS(r1_x1,r1_x2,r1_y1,r1_y2,r2_x1,r2_x2,r2_y1,r2_y2) \
 !((r2_x2 <= r1_x1) ||\
   (r2_y2 <= r1_y1) ||\
   (r2_x1 >= r1_x2) ||\
   (r2_y1 >= r1_y2))
 #endif

 #ifndef MIN
 #define MIN(a,b) ((a) < (b) ? (a) : (b))
 #endif
 #ifndef MAX
 #define MAX(a,b) ((a) > (b) ? (a) : (b))
 #endif

 struct DPos {
     int32_t x;
     int32_t y;
     int32_t mapped;
     void *data;
     void *peer;
     int32_t echoC;
 };

 extern jobject awtJNI_GetCurrentThread(JNIEnv *env);
 extern void awtJNI_ThreadYield(JNIEnv *env);

 #ifndef HEADLESS
 extern Widget prevWidget;
 #endif /* !HEADLESS */

 /*
  * Functions for accessing fields by name and signature
  */

 JNIEXPORT jobject JNICALL
 JNU_GetObjectField(JNIEnv *env, jobject self, const char *name,
                    const char *sig);

 JNIEXPORT jboolean JNICALL
 JNU_SetObjectField(JNIEnv *env, jobject self, const char *name,
                    const char *sig, jobject val);

 JNIEXPORT jlong JNICALL
 JNU_GetLongField(JNIEnv *env, jobject self, const char *name);

 JNIEXPORT jint JNICALL
 JNU_GetIntField(JNIEnv *env, jobject self, const char *name);

 JNIEXPORT jboolean JNICALL
 JNU_SetIntField(JNIEnv *env, jobject self, const char *name, jint val);

 JNIEXPORT jboolean JNICALL
 JNU_SetLongField(JNIEnv *env, jobject self, const char *name, jlong val);

 JNIEXPORT jboolean JNICALL
 JNU_GetBooleanField(JNIEnv *env, jobject self, const char *name);

 JNIEXPORT jboolean JNICALL
 JNU_SetBooleanField(JNIEnv *env, jobject self, const char *name, jboolean val);

 JNIEXPORT jint JNICALL
 JNU_GetCharField(JNIEnv *env, jobject self, const char *name);

 #ifndef HEADLESS
 #ifdef __solaris__
 extern Widget awt_util_getXICStatusAreaWindow(Widget w);
 #else
 int32_t awt_util_getIMStatusHeight(Widget vw);
 XVaNestedList awt_util_getXICStatusAreaList(Widget w);
 Widget awt_util_getXICStatusAreaWindow(Widget w);
 #endif


 #ifdef __linux__
 typedef struct _XmImRefRec {
   Cardinal      num_refs;       /* Number of referencing widgets. */
   Cardinal      max_refs;       /* Maximum length of refs array. */
   Widget*       refs;           /* Array of referencing widgets. */
   XtPointer     **callbacks;
 } XmImRefRec, *XmImRefInfo;

 typedef struct _PreeditBufferRec {
   unsigned short length;
   wchar_t        *text;
   XIMFeedback    *feedback;
   int32_t            caret;
   XIMCaretStyle  style;
 } PreeditBufferRec, *PreeditBuffer;

 typedef struct _XmImXICRec {
   struct _XmImXICRec *next;     /* Links all have the same XIM. */
   XIC           xic;            /* The XIC. */
   Window        focus_window;   /* Cached information about the XIC. */
   XIMStyle      input_style;    /* ...ditto... */
   int32_t           status_width;   /* ...ditto... */
   int32_t           preedit_width;  /* ...ditto... */
   int32_t           sp_height;      /* ...ditto... */
   Boolean       has_focus;      /* Does this XIC have keyboard focus. */
   Boolean       anonymous;      /* Do we have exclusive rights to this XIC. */
   XmImRefRec    widget_refs;    /* Widgets referencing this XIC. */
   struct _XmImXICRec **source; /* Original source of shared XICs. */
   PreeditBuffer preedit_buffer;
 } XmImXICRec, *XmImXICInfo;

 typedef struct _XmImShellRec {
   /* per-Shell fields. */
   Widget        im_widget;      /* Dummy widget to make intrinsics behave. */
   Widget        current_widget; /* Widget whose visual we're matching. */

   /* per <Shell,XIM> fields. */
   XmImXICInfo   shell_xic;      /* For PER_SHELL sharing policy. */
   XmImXICInfo   iclist;         /* All known XICs for this <XIM,Shell>. */
 } XmImShellRec, *XmImShellInfo;

 typedef struct {
   /* per-Display fields. */
   XContext      current_xics;   /* Map widget -> current XmImXICInfo. */

   /* per-XIM fields. */
   XIM           xim;            /* The XIM. */
   XIMStyles     *styles;        /* XNQueryInputStyle result. */
   XmImRefRec    shell_refs;     /* Shells referencing this XIM. */
 } XmImDisplayRec, *XmImDisplayInfo;

 #endif
 #endif /* !HEADLESS */
 #endif           /* _AWT_UTIL_H_ */
	/*
	* Copyright (c) 1995, 2004, 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.
	*/

	#ifndef _AWT_UTIL_H_
	#define _AWT_UTIL_H_

	#ifndef HEADLESS
	#ifndef XAWT
	#include <Xm/VendorSEP.h>
	#include <Xm/VendorSP.h>
	#endif
	#include "gdefs.h"

	typedef struct ConvertEventTimeAndModifiers {
	jlong when;
	jint modifiers;
	} ConvertEventTimeAndModifiers;

	Boolean awt_util_focusIsOnMenu(Display *display);
	int32_t awt_util_sendButtonClick(Display *display, Window window);

	Widget awt_util_createWarningWindow(Widget parent, char *warning);
	void awt_util_show(Widget w);
	void awt_util_hide(Widget w);
	void awt_util_enable(Widget w);
	void awt_util_disable(Widget w);
	void awt_util_reshape(Widget w, jint x, jint y, jint wd, jint ht);
	void awt_util_mapChildren(Widget w, void (func)(Widget,void ),
	int32_t applyToSelf, void *data);
	int32_t awt_util_setCursor(Widget w, Cursor c);
	void awt_util_convertEventTimeAndModifiers
	(XEvent event, ConvertEventTimeAndModifiers output);
	Widget awt_WidgetAtXY(Widget root, Position x, Position y);
	char awt_util_makeWMMenuItem(char target, Atom protocol);
	Cardinal awt_util_insertCallback(Widget w);
	void awt_util_consumeAllXEvents(Widget widget);
	void awt_util_cleanupBeforeDestroyWidget(Widget widget);
	void awt_util_debug_init();
	Time awt_util_getCurrentServerTime();
	jlong awt_util_nowMillisUTC();
	jlong awt_util_nowMillisUTC_offset(Time server_offset);
	void awt_util_do_wheel_scroll(Widget scrolled_window, jint scrollType,
	jint scrollAmt, jint wheelAmt);
	Widget awt_util_get_scrollbar_to_scroll(Widget window);


	typedef struct _EmbeddedFrame {
	Widget embeddedFrame;
	Window frameContainer;
	jobject javaRef;
	Boolean eventSelectedPreviously;
	struct _EmbeddedFrame * next;
	struct _EmbeddedFrame * prev;
	} EmbeddedFrame;

	void awt_util_addEmbeddedFrame(Widget embeddedFrame, jobject javaRef);
	void awt_util_delEmbeddedFrame(Widget embeddedFrame);
	Boolean awt_util_processEventForEmbeddedFrame(XEvent *ev);

	#define WITH_XERROR_HANDLER(f) do { \
	XSync(awt_display, False); \
	xerror_code = Success; \
	xerror_saved_handler = XSetErrorHandler(f); \
	} while (0)

	/* Convenience macro for handlers to use */
	#define XERROR_SAVE(err) do { \
	xerror_code = (err)->error_code; \
	} while (0)

	#define RESTORE_XERROR_HANDLER do { \
	XSync(awt_display, False); \
	XSetErrorHandler(xerror_saved_handler); \
	} while (0)

	#define EXEC_WITH_XERROR_HANDLER(f, code) do { \
	WITH_XERROR_HANDLER(f); \
	do { \
	code; \
	} while (0); \
	RESTORE_XERROR_HANDLER; \
	} while (0)

	/*
	* Since X reports protocol errors asynchronously, we often need to
	* install an error handler that acts like a callback. While that
	* specialized handler is installed we save original handler here.
	*/
	extern XErrorHandler xerror_saved_handler;

	/*
	* A place for error handler to report the error code.
	*/
	extern unsigned char xerror_code;

	extern int xerror_ignore_bad_window(Display dpy, XErrorEvent err);

	#endif /* !HEADLESS */

	#ifndef INTERSECTS
	#define INTERSECTS(r1_x1,r1_x2,r1_y1,r1_y2,r2_x1,r2_x2,r2_y1,r2_y2) \
	!((r2_x2 <= r1_x1) \|\|\
	(r2_y2 <= r1_y1) \|\|\
	(r2_x1 >= r1_x2) \|\|\
	(r2_y1 >= r1_y2))
	#endif

	#ifndef MIN
	#define MIN(a,b) ((a) < (b) ? (a) : (b))
	#endif
	#ifndef MAX
	#define MAX(a,b) ((a) > (b) ? (a) : (b))
	#endif

	struct DPos {
	int32_t x;
	int32_t y;
	int32_t mapped;
	void *data;
	void *peer;
	int32_t echoC;
	};

	extern jobject awtJNI_GetCurrentThread(JNIEnv *env);
	extern void awtJNI_ThreadYield(JNIEnv *env);

	#ifndef HEADLESS
	extern Widget prevWidget;
	#endif /* !HEADLESS */

	/*
	* Functions for accessing fields by name and signature
	*/

	JNIEXPORT jobject JNICALL
	JNU_GetObjectField(JNIEnv env, jobject self, const char name,
	const char *sig);

	JNIEXPORT jboolean JNICALL
	JNU_SetObjectField(JNIEnv env, jobject self, const char name,
	const char *sig, jobject val);

	JNIEXPORT jlong JNICALL
	JNU_GetLongField(JNIEnv env, jobject self, const char name);

	JNIEXPORT jint JNICALL
	JNU_GetIntField(JNIEnv env, jobject self, const char name);

	JNIEXPORT jboolean JNICALL
	JNU_SetIntField(JNIEnv env, jobject self, const char name, jint val);

	JNIEXPORT jboolean JNICALL
	JNU_SetLongField(JNIEnv env, jobject self, const char name, jlong val);

	JNIEXPORT jboolean JNICALL
	JNU_GetBooleanField(JNIEnv env, jobject self, const char name);

	JNIEXPORT jboolean JNICALL
	JNU_SetBooleanField(JNIEnv env, jobject self, const char name, jboolean val);

	JNIEXPORT jint JNICALL
	JNU_GetCharField(JNIEnv env, jobject self, const char name);

	#ifndef HEADLESS
	#ifdef __solaris__
	extern Widget awt_util_getXICStatusAreaWindow(Widget w);
	#else
	int32_t awt_util_getIMStatusHeight(Widget vw);
	XVaNestedList awt_util_getXICStatusAreaList(Widget w);
	Widget awt_util_getXICStatusAreaWindow(Widget w);
	#endif




	#ifdef __linux__
	typedef struct _XmImRefRec {
	Cardinal num_refs; /* Number of referencing widgets. */
	Cardinal max_refs; /* Maximum length of refs array. */
	Widget* refs; /* Array of referencing widgets. */
	XtPointer **callbacks;
	} XmImRefRec, *XmImRefInfo;

	typedef struct _PreeditBufferRec {
	unsigned short length;
	wchar_t *text;
	XIMFeedback *feedback;
	int32_t caret;
	XIMCaretStyle style;
	} PreeditBufferRec, *PreeditBuffer;

	typedef struct _XmImXICRec {
	struct _XmImXICRec next; / Links all have the same XIM. */
	XIC xic; /* The XIC. */
	Window focus_window; /* Cached information about the XIC. */
	XIMStyle input_style; /* ...ditto... */
	int32_t status_width; /* ...ditto... */
	int32_t preedit_width; /* ...ditto... */
	int32_t sp_height; /* ...ditto... */
	Boolean has_focus; /* Does this XIC have keyboard focus. */
	Boolean anonymous; /* Do we have exclusive rights to this XIC. */
	XmImRefRec widget_refs; /* Widgets referencing this XIC. */
	struct _XmImXICRec *source; / Original source of shared XICs. */
	PreeditBuffer preedit_buffer;
	} XmImXICRec, *XmImXICInfo;

	typedef struct _XmImShellRec {
	/* per-Shell fields. */
	Widget im_widget; /* Dummy widget to make intrinsics behave. */
	Widget current_widget; /* Widget whose visual we're matching. */

	/* per <Shell,XIM> fields. */
	XmImXICInfo shell_xic; /* For PER_SHELL sharing policy. */
	XmImXICInfo iclist; /* All known XICs for this <XIM,Shell>. */
	} XmImShellRec, *XmImShellInfo;

	typedef struct {
	/* per-Display fields. */
	XContext current_xics; /* Map widget -> current XmImXICInfo. */

	/* per-XIM fields. */
	XIM xim; /* The XIM. */
	XIMStyles styles; / XNQueryInputStyle result. */
	XmImRefRec shell_refs; /* Shells referencing this XIM. */
	} XmImDisplayRec, *XmImDisplayInfo;

	#endif
	#endif /* !HEADLESS */
	#endif /* _AWT_UTIL_H_ */