1 /*
2 * Copyright (c) 1995, 2004, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #ifndef _AWT_UTIL_H_
27 #define _AWT_UTIL_H_
28
29 #ifndef HEADLESS
30 #ifndef XAWT
31 #include <Xm/VendorSEP.h>
32 #include <Xm/VendorSP.h>
33 #endif
34 #include "gdefs.h"
35
36 typedef struct ConvertEventTimeAndModifiers {
37 jlong when;
38 jint modifiers;
39 } ConvertEventTimeAndModifiers;
40
41 Boolean awt_util_focusIsOnMenu(Display *display);
42 int32_t awt_util_sendButtonClick(Display *display, Window window);
43
44 Widget awt_util_createWarningWindow(Widget parent, char *warning);
45 void awt_util_show(Widget w);
46 void awt_util_hide(Widget w);
47 void awt_util_enable(Widget w);
48 void awt_util_disable(Widget w);
49 void awt_util_reshape(Widget w, jint x, jint y, jint wd, jint ht);
50 void awt_util_mapChildren(Widget w, void (*func)(Widget,void *),
51 int32_t applyToSelf, void *data);
52 int32_t awt_util_setCursor(Widget w, Cursor c);
53 void awt_util_convertEventTimeAndModifiers
54 (XEvent *event, ConvertEventTimeAndModifiers *output);
55 Widget awt_WidgetAtXY(Widget root, Position x, Position y);
56 char *awt_util_makeWMMenuItem(char *target, Atom protocol);
57 Cardinal awt_util_insertCallback(Widget w);
58 void awt_util_consumeAllXEvents(Widget widget);
59 void awt_util_cleanupBeforeDestroyWidget(Widget widget);
60 void awt_util_debug_init();
61 Time awt_util_getCurrentServerTime();
62 jlong awt_util_nowMillisUTC();
63 jlong awt_util_nowMillisUTC_offset(Time server_offset);
64 void awt_util_do_wheel_scroll(Widget scrolled_window, jint scrollType,
65 jint scrollAmt, jint wheelAmt);
66 Widget awt_util_get_scrollbar_to_scroll(Widget window);
67
68
69 typedef struct _EmbeddedFrame {
70 Widget embeddedFrame;
71 Window frameContainer;
72 jobject javaRef;
73 Boolean eventSelectedPreviously;
74 struct _EmbeddedFrame * next;
75 struct _EmbeddedFrame * prev;
76 } EmbeddedFrame;
77
78 void awt_util_addEmbeddedFrame(Widget embeddedFrame, jobject javaRef);
79 void awt_util_delEmbeddedFrame(Widget embeddedFrame);
80 Boolean awt_util_processEventForEmbeddedFrame(XEvent *ev);
81
82 #define WITH_XERROR_HANDLER(f) do { \
83 XSync(awt_display, False); \
84 xerror_code = Success; \
85 xerror_saved_handler = XSetErrorHandler(f); \
86 } while (0)
87
88 /* Convenience macro for handlers to use */
89 #define XERROR_SAVE(err) do { \
90 xerror_code = (err)->error_code; \
91 } while (0)
92
93 #define RESTORE_XERROR_HANDLER do { \
94 XSync(awt_display, False); \
95 XSetErrorHandler(xerror_saved_handler); \
96 } while (0)
97
98 #define EXEC_WITH_XERROR_HANDLER(f, code) do { \
99 WITH_XERROR_HANDLER(f); \
100 do { \
101 code; \
102 } while (0); \
103 RESTORE_XERROR_HANDLER; \
104 } while (0)
105
106 /*
107 * Since X reports protocol errors asynchronously, we often need to
108 * install an error handler that acts like a callback. While that
109 * specialized handler is installed we save original handler here.
110 */
111 extern XErrorHandler xerror_saved_handler;
112
113 /*
114 * A place for error handler to report the error code.
115 */
116 extern unsigned char xerror_code;
117
118 extern int xerror_ignore_bad_window(Display *dpy, XErrorEvent *err);
119
120 #endif /* !HEADLESS */
121
122 #ifndef INTERSECTS
123 #define INTERSECTS(r1_x1,r1_x2,r1_y1,r1_y2,r2_x1,r2_x2,r2_y1,r2_y2) \
124 !((r2_x2 <= r1_x1) ||\
125 (r2_y2 <= r1_y1) ||\
126 (r2_x1 >= r1_x2) ||\
127 (r2_y1 >= r1_y2))
128 #endif
129
130 #ifndef MIN
131 #define MIN(a,b) ((a) < (b) ? (a) : (b))
132 #endif
133 #ifndef MAX
134 #define MAX(a,b) ((a) > (b) ? (a) : (b))
135 #endif
136
137 struct DPos {
138 int32_t x;
139 int32_t y;
140 int32_t mapped;
141 void *data;
142 void *peer;
143 int32_t echoC;
144 };
145
146 extern jobject awtJNI_GetCurrentThread(JNIEnv *env);
147 extern void awtJNI_ThreadYield(JNIEnv *env);
148
149 #ifndef HEADLESS
150 extern Widget prevWidget;
151 #endif /* !HEADLESS */
152
153 /*
154 * Functions for accessing fields by name and signature
155 */
156
157 JNIEXPORT jobject JNICALL
158 JNU_GetObjectField(JNIEnv *env, jobject self, const char *name,
159 const char *sig);
160
161 JNIEXPORT jboolean JNICALL
162 JNU_SetObjectField(JNIEnv *env, jobject self, const char *name,
163 const char *sig, jobject val);
164
165 JNIEXPORT jlong JNICALL
166 JNU_GetLongField(JNIEnv *env, jobject self, const char *name);
167
168 JNIEXPORT jint JNICALL
169 JNU_GetIntField(JNIEnv *env, jobject self, const char *name);
170
171 JNIEXPORT jboolean JNICALL
172 JNU_SetIntField(JNIEnv *env, jobject self, const char *name, jint val);
173
174 JNIEXPORT jboolean JNICALL
175 JNU_SetLongField(JNIEnv *env, jobject self, const char *name, jlong val);
176
177 JNIEXPORT jboolean JNICALL
178 JNU_GetBooleanField(JNIEnv *env, jobject self, const char *name);
179
180 JNIEXPORT jboolean JNICALL
181 JNU_SetBooleanField(JNIEnv *env, jobject self, const char *name, jboolean val);
182
183 JNIEXPORT jint JNICALL
184 JNU_GetCharField(JNIEnv *env, jobject self, const char *name);
185
186 #ifndef HEADLESS
187 #ifdef __solaris__
188 extern Widget awt_util_getXICStatusAreaWindow(Widget w);
189 #else
190 #if defined(MACOSX)
191 int32_t awt_util_getIMStatusHeight(Widget vw);
192 Widget awt_util_getXICStatusAreaWindow(Widget w);
193 #else
194 int32_t awt_util_getIMStatusHeight(Widget vw);
195 XVaNestedList awt_util_getXICStatusAreaList(Widget w);
196 Widget awt_util_getXICStatusAreaWindow(Widget w);
197 #endif
198 #endif
199
200
201
202
203 #if defined(__linux__) || defined(MACOSX)
204 typedef struct _XmImRefRec {
205 Cardinal num_refs; /* Number of referencing widgets. */
206 Cardinal max_refs; /* Maximum length of refs array. */
207 Widget* refs; /* Array of referencing widgets. */
208 XtPointer **callbacks;
209 } XmImRefRec, *XmImRefInfo;
210
211 typedef struct _PreeditBufferRec {
212 unsigned short length;
213 wchar_t *text;
214 XIMFeedback *feedback;
215 int32_t caret;
216 XIMCaretStyle style;
217 } PreeditBufferRec, *PreeditBuffer;
218
219 typedef struct _XmImXICRec {
220 struct _XmImXICRec *next; /* Links all have the same XIM. */
221 XIC xic; /* The XIC. */
222 Window focus_window; /* Cached information about the XIC. */
223 XIMStyle input_style; /* ...ditto... */
224 int32_t status_width; /* ...ditto... */
225 int32_t preedit_width; /* ...ditto... */
226 int32_t sp_height; /* ...ditto... */
227 Boolean has_focus; /* Does this XIC have keyboard focus. */
228 Boolean anonymous; /* Do we have exclusive rights to this XIC. */
229 XmImRefRec widget_refs; /* Widgets referencing this XIC. */
230 struct _XmImXICRec **source; /* Original source of shared XICs. */
231 PreeditBuffer preedit_buffer;
232 } XmImXICRec, *XmImXICInfo;
233
234 typedef struct _XmImShellRec {
235 /* per-Shell fields. */
236 Widget im_widget; /* Dummy widget to make intrinsics behave. */
237 Widget current_widget; /* Widget whose visual we're matching. */
238
239 /* per <Shell,XIM> fields. */
240 XmImXICInfo shell_xic; /* For PER_SHELL sharing policy. */
241 XmImXICInfo iclist; /* All known XICs for this <XIM,Shell>. */
242 } XmImShellRec, *XmImShellInfo;
243
244 typedef struct {
245 /* per-Display fields. */
246 XContext current_xics; /* Map widget -> current XmImXICInfo. */
247
248 /* per-XIM fields. */
249 XIM xim; /* The XIM. */
250 XIMStyles *styles; /* XNQueryInputStyle result. */
251 XmImRefRec shell_refs; /* Shells referencing this XIM. */
252 } XmImDisplayRec, *XmImDisplayInfo;
253
254 #endif
255 #endif /* !HEADLESS */
256 #endif /* _AWT_UTIL_H_ */