1 /*
2 * Copyright (c) 2011, 2016, 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 #ifndef GLASS_GENERAL_H
26 #define GLASS_GENERAL_H
27
28 #include <jni.h>
29
30 #include <stdint.h>
31 #include <X11/Xlib.h>
32 #include <gdk/gdk.h>
33 #include <gdk/gdkx.h>
34 #include <gtk/gtk.h>
35
36 #if GTK_CHECK_VERSION(3, 0, 0)
37 #define GLASS_GTK3
38 #endif
39
40
41 #define JLONG_TO_PTR(value) ((void*)(intptr_t)(value))
42 #define PTR_TO_JLONG(value) ((jlong)(intptr_t)(value))
43
44 #define FILE_PREFIX "file://"
45 #define URI_LIST_COMMENT_PREFIX "#"
46 #define URI_LIST_LINE_BREAK "\r\n"
47
48 extern JNIEnv* mainEnv; // Use only with main loop thread!!!
49 extern JavaVM* javaVM;
50
51 #define GLASS_GDK_KEY_CONSTANT(key) (GDK_KEY_ ## key)
52
53 #include <exception>
54
55 struct jni_exception: public std::exception {
56 jni_exception(jthrowable _th): throwable(_th), message() {
57 jclass jc = mainEnv->FindClass("java/lang/Throwable");
58 if (mainEnv->ExceptionOccurred()) {
59 mainEnv->ExceptionDescribe();
60 mainEnv->ExceptionClear();
61 }
62 jmethodID jmid = mainEnv->GetMethodID(jc, "getMessage", "()Ljava/lang/String;");
63 if (mainEnv->ExceptionOccurred()) {
64 mainEnv->ExceptionDescribe();
65 mainEnv->ExceptionClear();
66 }
67 jmessage = (jstring)mainEnv->CallObjectMethod(throwable, jmid);
68 message = jmessage == NULL ? "" : mainEnv->GetStringUTFChars(jmessage, NULL);
69 }
70 const char *what() const throw()
71 {
72 return message;
73 }
74 ~jni_exception() throw(){
75 if (jmessage && message) {
76 mainEnv->ReleaseStringUTFChars(jmessage, message);
77 }
78 }
79 private:
80 jthrowable throwable;
81 const char *message;
82 jstring jmessage;
83 };
84
85 #define EXCEPTION_OCCURED(env) (check_and_clear_exception(env))
86
87 #define CHECK_JNI_EXCEPTION(env) \
88 if (env->ExceptionCheck()) {\
89 check_and_clear_exception(env);\
90 return;\
91 }
92
93 #define CHECK_JNI_EXCEPTION_RET(env, ret) \
94 if (env->ExceptionCheck()) {\
95 check_and_clear_exception(env);\
96 return ret;\
97 }
98
99 #define JNI_EXCEPTION_TO_CPP(env) \
100 if (env->ExceptionCheck()) {\
101 check_and_clear_exception(env);\
102 throw jni_exception(env->ExceptionOccurred());\
103 }
104
105 #define HANDLE_MEM_ALLOC_ERROR(env, nativePtr, message) \
106 ((nativePtr == NULL) && glass_throw_oom(env, message))
107
108 gpointer glass_try_malloc0_n(gsize m, gsize n);
109
110 gpointer glass_try_malloc_n(gsize m, gsize n);
111
112 typedef struct {
113 jobject runnable;
114 int flag;
115 } RunnableContext;
116
117 extern char const * const GDK_WINDOW_DATA_CONTEXT;
118
119 GdkCursor* get_native_cursor(int type);
120
121 // JNI global references
122 extern jclass jStringCls; // java.lang.String
123
124 extern jclass jByteBufferCls; //java.nio.ByteBuffer
125 extern jmethodID jByteBufferArray; //java.nio.ByteBuffer#array()[B
126 extern jmethodID jByteBufferWrap; //java.nio.ByteBuffer#wrap([B)Ljava/nio/ByteBuffer;
127
128 extern jclass jRunnableCls; // java.lang.Runnable
129 extern jmethodID jRunnableRun; // java.lang.Runnable#run ()V
130
131 extern jclass jArrayListCls; // java.util.ArrayList
132 extern jmethodID jArrayListInit; // java.util.ArrayList#<init> ()V
133 extern jmethodID jArrayListAdd; // java.util.ArrayList#add (Ljava/lang/Object;)Z
134 extern jmethodID jArrayListGetIdx; //java.util.ArryList#get (I)Ljava/lang/Object;
135
136 extern jmethodID jPixelsAttachData; // com.sun.class.ui.Pixels#attachData (J)V
137 extern jclass jGtkPixelsCls; // com.sun.class.ui.gtk.GtkPixels
138 extern jmethodID jGtkPixelsInit; // com.sun.class.ui.gtk.GtkPixels#<init> (IILjava/nio/ByteBuffer;)V
139
140 extern jclass jScreenCls; // com.sun.glass.ui.Screen
141 extern jmethodID jScreenInit; // com.sun.glass.ui.Screen#<init> ()V
142 extern jmethodID jScreenNotifySettingsChanged; // com.sun.glass.ui.Screen#notifySettingsChanged ()V
143 extern jmethodID jScreenGetScreenForLocation; //com.sun.glass.ui.Screen#getScreenForLocation(JJ)Lcom.sun.glass.ui.Screen;
144 extern jmethodID jScreenGetNativeScreen; //com.sun.glass.ui.Screen#getNativeScreen()J
145
146 extern jmethodID jViewNotifyResize; // com.sun.glass.ui.View#notifyResize (II)V
147 extern jmethodID jViewNotifyMouse; // com.sun.glass.ui.View#notifyMouse (IIIIIIIZZ)V
148 extern jmethodID jViewNotifyRepaint; // com.sun.glass.ui.View#notifyRepaint (IIII)V
149 extern jmethodID jViewNotifyKey; // com.sun.glass.ui.View#notifyKey (II[CI)V
150 extern jmethodID jViewNotifyView; //com.sun.glass.ui.View#notifyView (I)V
151 extern jmethodID jViewNotifyDragEnter; //com.sun.glass.ui.View#notifyDragEnter (IIIII)I
152 extern jmethodID jViewNotifyDragOver; //com.sun.glass.ui.View#notifyDragOver (IIIII)I
153 extern jmethodID jViewNotifyDragDrop; //com.sun.glass.ui.View#notifyDragDrop (IIIII)I
154 extern jmethodID jViewNotifyDragLeave; //com.sun.glass.ui.View#notifyDragLeave ()V
155 extern jmethodID jViewNotifyScroll; //com.sun.glass.ui.View#notifyScroll (IIIIDDIIIIIDD)V
156 extern jmethodID jViewNotifyInputMethod; //com.sun.glass.ui.View#notifyInputMethod (Ljava/lang/String;[I[I[BIII)V
157 extern jmethodID jViewNotifyInputMethodDraw; //com.sun.glass.ui.gtk.GtkView#notifyInputMethodDraw (Ljava/lang/String;III[B)V
158 extern jmethodID jViewNotifyInputMethodCaret; //com.sun.glass.ui.gtk.GtkView#notifyInputMethodCaret (III)V
159 extern jmethodID jViewNotifyPreeditMode; //com.sun.glass.ui.gtk.GtkView#notifyPreeditMode (Z)V
160 extern jmethodID jViewNotifyMenu; //com.sun.glass.ui.View#notifyMenu (IIIIZ)V
161 extern jfieldID jViewPtr; //com.sun.glass.ui.View.ptr
162
163 extern jmethodID jWindowNotifyResize; // com.sun.glass.ui.Window#notifyResize (III)V
164 extern jmethodID jWindowNotifyMove; // com.sun.glass.ui.Window#notifyMove (II)V
165 extern jmethodID jWindowNotifyDestroy; // com.sun.glass.ui.Window#notifyDestroy ()V
166 extern jmethodID jWindowNotifyClose; // com.sun.glass.ui.Window#notifyClose ()V
167 extern jmethodID jWindowNotifyFocus; // com.sun.glass.ui.Window#notifyFocus (I)V
168 extern jmethodID jWindowNotifyFocusDisabled; // com.sun.glass.ui.Window#notifyFocusDisabled ()V
169 extern jmethodID jWindowNotifyFocusUngrab; // com.sun.glass.ui.Window#notifyFocusUngrab ()V
170 extern jmethodID jWindowNotifyMoveToAnotherScreen; // com.sun.glass.ui.Window#notifyMoveToAnotherScreen (Lcom/sun/glass/ui/Screen;)V
171 extern jmethodID jWindowNotifyDelegatePtr; //com.sun.glass.ui.Window#notifyDelegatePtr (J)V
172 extern jmethodID jWindowNotifyLevelChanged; //com.sun.glass.ui.Window#notifyLevelChanged (I)V
173
174 extern jmethodID jWindowIsEnabled; // com.sun.glass.ui.Window#isEnabled ()Z
175 extern jfieldID jWindowPtr; // com.sun.glass.ui.Window#ptr
176 extern jfieldID jCursorPtr; // com.sun.glass.ui.Cursor#ptr
177
178 extern jmethodID jGtkWindowNotifyStateChanged; // com.sun.glass.ui.GtkWindow#notifyStateChanged (I)V
179
180 extern jmethodID jClipboardContentChanged; // com.sun.glass.ui.Clipboard#contentChanged ()V
181
182 extern jmethodID jSizeInit; // com.sun.class.ui.Size#<init> ()V
183
184 extern jmethodID jMapGet; // java.util.Map#get(Ljava/lang/Object;)Ljava/lang/Object;
185 extern jmethodID jMapKeySet; // java.util.Map#keySet()Ljava/util/Set;
186 extern jmethodID jMapContainsKey; // java.util.Map#containsKey(Ljava/lang/Object;)Z
187
188 extern jclass jHashSetCls; // java.util.HashSet
189 extern jmethodID jHashSetInit; // java.util.HashSet#<init> ()V
190
191 extern jmethodID jSetAdd; //java.util.Set#add (Ljava/lang/Object;)Z
192 extern jmethodID jSetSize; //java.util.Set#size ()I
193 extern jmethodID jSetToArray; //java.util.Set#toArray ([Ljava/lang/Object;)[Ljava/lang/Object;
194
195 extern jmethodID jIterableIterator; // java.lang.Iterable#iterator()Ljava/util/Iterator;
196 extern jmethodID jIteratorHasNext; // java.util.Iterator#hasNext()Z;
197 extern jmethodID jIteratorNext; // java.util.Iterator#next()Ljava/lang/Object;
198
199 extern jclass jApplicationCls; //com.sun.glass.ui.gtk.GtkApplication
200 extern jfieldID jApplicationDisplay; //com.sun.glass.ui.gtk.GtkApplication#display
201 extern jfieldID jApplicationScreen; //com.sun.glass.ui.gtk.GtkApplication#screen
202 extern jfieldID jApplicationVisualID; //com.sun.glass.ui.gtk.GtkApplication#visualID
203 extern jmethodID jApplicationReportException; // reportException(Ljava/lang/Throwable;)V
204 extern jmethodID jApplicationGetApplication; // GetApplication()()Lcom/sun/glass/ui/Application;
205 extern jmethodID jApplicationGetName; // getName()Ljava/lang/String;
206
207 #ifdef VERBOSE
208 #define LOG0(msg) {printf(msg);fflush(stdout);}
209 #define LOG1(msg, param) {printf(msg, param);fflush(stdout);}
210 #define LOG2(msg, param1, param2) {printf(msg, param1, param2);fflush(stdout);}
211 #define LOG3(msg, param1, param2, param3) {printf(msg, param1, param2, param3);fflush(stdout);}
212 #define LOG4(msg, param1, param2, param3, param4) {printf(msg, param1, param2, param3, param4);fflush(stdout);}
213 #define LOG5(msg, param1, param2, param3, param4, param5) {printf(msg, param1, param2, param3, param4, param5);fflush(stdout);}
214
215 #define LOG_STRING_ARRAY(env, array) dump_jstring_array(env, array);
216
217 #define ERROR0(msg) {fprintf(stderr, msg);fflush(stderr);}
218 #define ERROR1(msg, param) {fprintf(stderr, msg, param);fflush(stderr);}
219 #define ERROR2(msg, param1, param2) {fprintf(stderr, msg, param1, param2);fflush(stderr);}
220 #define ERROR3(msg, param1, param2, param3) {fprintf(stderr, msg, param1, param2, param3);fflush(stderr);}
221 #define ERROR4(msg, param1, param2, param3, param4) {fprintf(stderr, msg, param1, param2, param3, param4);fflush(stderr);}
222 #else
223 #define LOG0(msg)
224 #define LOG1(msg, param)
225 #define LOG2(msg, param1, param2)
226 #define LOG3(msg, param1, param2, param3)
227 #define LOG4(msg, param1, param2, param3, param4)
228 #define LOG5(msg, param1, param2, param3, param4, param5)
229
230 #define LOG_STRING_ARRAY(env, array)
231
232 #define ERROR0(msg)
233 #define ERROR1(msg, param)
234 #define ERROR2(msg, param1, param2)
235 #define ERROR3(msg, param1, param2, param3)
236 #define ERROR4(msg, param1, param2, param3, param4)
237 #endif
238
239 #define LOG_EXCEPTION(env) check_and_clear_exception(env);
240
241 gchar* get_application_name();
242 void glass_throw_exception(JNIEnv * env,
243 const char * exceptionClass,
244 const char * exceptionMessage);
245 int glass_throw_oom(JNIEnv * env, const char * exceptionMessage);
246 void dump_jstring_array(JNIEnv*, jobjectArray);
247
248 guint8* convert_BGRA_to_RGBA(const int* pixels, int stride, int height);
249
250 gboolean check_and_clear_exception(JNIEnv *env);
251
252 jboolean is_display_valid();
253
254 gsize get_files_count(gchar **uris);
255
256 jobject uris_to_java(JNIEnv *env, gchar **uris, gboolean files);
257
258
259 #ifdef __cplusplus
260 extern "C" {
261 #endif
262
263 extern jboolean gtk_verbose;
264
265 void
266 glass_widget_set_visual (GtkWidget *widget, GdkVisual *visual);
267
268 gint
269 glass_gdk_visual_get_depth (GdkVisual * visual);
270
271 GdkScreen *
272 glass_gdk_window_get_screen(GdkWindow * gdkWindow);
273
274 gboolean
275 glass_gdk_mouse_devices_grab(GdkWindow * gdkWindow);
276
277 gboolean
278 glass_gdk_mouse_devices_grab_with_cursor(GdkWindow * gdkWindow, GdkCursor *cursor, gboolean owner_events);
279
280 void
281 glass_gdk_mouse_devices_ungrab();
282
283 void
284 glass_gdk_master_pointer_grab(GdkWindow *window, GdkCursor *cursor);
285
286 void
287 glass_gdk_master_pointer_ungrab();
288
289 void
290 glass_gdk_master_pointer_get_position(gint *x, gint *y);
291
292 gboolean
293 glass_gdk_device_is_grabbed(GdkDevice *device);
294
295 void
296 glass_gdk_device_ungrab(GdkDevice *device);
297
298 GdkWindow *
299 glass_gdk_device_get_window_at_position(
300 GdkDevice *device, gint *x, gint *y);
301
302 void
303 glass_gtk_configure_transparency_and_realize(GtkWidget *window,
304 gboolean transparent);
305
306 const guchar *
307 glass_gtk_selection_data_get_data_with_length(
308 GtkSelectionData * selectionData,
309 gint * length);
310
311 void
312 glass_gtk_window_configure_from_visual(GtkWidget *widget, GdkVisual *visual);
313
314 void
315 glass_gdk_window_get_size(GdkWindow *window, gint *w, gint *h);
316
317 void
318 glass_gdk_display_get_pointer(GdkDisplay* display, gint* x, gint *y);
319
320 void
321 glass_gdk_x11_display_set_window_scale(GdkDisplay *display, gint scale);
322
323 gboolean
324 glass_configure_window_transparency(GtkWidget *window, gboolean transparent);
325
326 GdkPixbuf *
327 glass_pixbuf_from_window(GdkWindow *window,
328 gint srcx, gint srcy,
329 gint width, gint height);
330
331 void
332 glass_window_apply_shape_mask(GdkWindow *window,
333 void* data, uint width, uint height);
334
335 void
336 glass_window_reset_input_shape_mask(GdkWindow *window);
337
338 GdkWindow *
339 glass_gdk_drag_context_get_dest_window (GdkDragContext * context);
340
341 guint
342 glass_settings_get_guint_opt (const gchar *schema_name,
343 const gchar *key_name,
344 int defval);
345
346 #ifdef __cplusplus
347 }
348 #endif
349
350 #endif /* GLASS_GENERAL_H */