1 /*
2 * Copyright (c) 2011, 2018, 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 #include "glass_general.h"
26
27 #include <jni.h>
28 #include <gtk/gtk.h>
29
30 char const * const GDK_WINDOW_DATA_CONTEXT = "glass_window_context";
31
32 jclass jStringCls;
33 jclass jByteBufferCls;
34 jmethodID jByteBufferArray;
35 jmethodID jByteBufferWrap;
36
37 jclass jRunnableCls;
38 jmethodID jRunnableRun;
39
40 jclass jArrayListCls;
41 jmethodID jArrayListInit;
42 jmethodID jArrayListAdd;
43 jmethodID jArrayListGetIdx;
44
45 jmethodID jPixelsAttachData;
46
47 jclass jGtkPixelsCls;
48 jmethodID jGtkPixelsInit;
49
50 jclass jScreenCls;
51 jmethodID jScreenInit;
52 jmethodID jScreenNotifySettingsChanged;
53
54 jmethodID jViewNotifyResize;
55 jmethodID jViewNotifyMouse;
56 jmethodID jViewNotifyRepaint;
57 jmethodID jViewNotifyKey;
58 jmethodID jViewNotifyView;
59 jmethodID jViewNotifyDragEnter;
60 jmethodID jViewNotifyDragOver;
61 jmethodID jViewNotifyDragDrop;
62 jmethodID jViewNotifyDragLeave;
63 jmethodID jViewNotifyScroll;
64 jmethodID jViewNotifyInputMethod;
65 jmethodID jViewNotifyInputMethodDraw;
66 jmethodID jViewNotifyInputMethodCaret;
67 jmethodID jViewNotifyPreeditMode;
68 jmethodID jViewNotifyMenu;
69 jfieldID jViewPtr;
70
71 jmethodID jWindowNotifyResize;
72 jmethodID jWindowNotifyMove;
73 jmethodID jWindowNotifyDestroy;
74 jmethodID jWindowNotifyClose;
75 jmethodID jWindowNotifyFocus;
76 jmethodID jWindowNotifyFocusDisabled;
77 jmethodID jWindowNotifyFocusUngrab;
78 jmethodID jWindowNotifyMoveToAnotherScreen;
79 jmethodID jWindowNotifyLevelChanged;
80 jmethodID jWindowIsEnabled;
81 jmethodID jWindowNotifyDelegatePtr;
82 jfieldID jWindowPtr;
83 jfieldID jCursorPtr;
84
85 jmethodID jGtkWindowNotifyStateChanged;
86
87 jmethodID jClipboardContentChanged;
88
89 jmethodID jSizeInit;
90
91 jmethodID jMapGet;
92 jmethodID jMapKeySet;
93 jmethodID jMapContainsKey;
94
95 jclass jHashSetCls;
96 jmethodID jHashSetInit;
97
98 jmethodID jSetAdd;
99 jmethodID jSetSize;
100 jmethodID jSetToArray;
101
102 jmethodID jIterableIterator;
103 jmethodID jIteratorHasNext;
104 jmethodID jIteratorNext;
105
106 jclass jApplicationCls;
107 jfieldID jApplicationDisplay;
108 jfieldID jApplicationScreen;
109 jfieldID jApplicationVisualID;
110 jmethodID jApplicationReportException;
111 jmethodID jApplicationGetApplication;
112 jmethodID jApplicationGetName;
113
114 static jboolean displayValid = JNI_FALSE;
115
116 jboolean
117 is_display_valid() {
118 return displayValid;
119 }
120
121 JNIEXPORT jint JNICALL
122 JNI_OnLoad(JavaVM *jvm, void *reserved)
123 {
124 (void)reserved;
125
126 JNIEnv *env;
127 jclass clazz;
128 Display* display;
129
130 if (jvm->GetEnv((void **)&env, JNI_VERSION_1_6)) {
131 return JNI_ERR; /* JNI version not supported */
132 }
133
134 clazz = env->FindClass("java/lang/String");
135 if (env->ExceptionCheck()) return JNI_ERR;
136 jStringCls = (jclass) env->NewGlobalRef(clazz);
137
138 clazz = env->FindClass("java/nio/ByteBuffer");
139 if (env->ExceptionCheck()) return JNI_ERR;
140 jByteBufferCls = (jclass) env->NewGlobalRef(clazz);
141 jByteBufferArray = env->GetMethodID(jByteBufferCls, "array", "()[B");
142 if (env->ExceptionCheck()) return JNI_ERR;
143 jByteBufferWrap = env->GetStaticMethodID(jByteBufferCls, "wrap", "([B)Ljava/nio/ByteBuffer;");
144 if (env->ExceptionCheck()) return JNI_ERR;
145
146 clazz = env->FindClass("java/lang/Runnable");
147 if (env->ExceptionCheck()) return JNI_ERR;
148
149 jRunnableRun = env->GetMethodID(clazz, "run", "()V");
150 if (env->ExceptionCheck()) return JNI_ERR;
151
152 clazz = env->FindClass("java/util/ArrayList");
153 if (env->ExceptionCheck()) return JNI_ERR;
154 jArrayListCls = (jclass) env->NewGlobalRef(clazz);
155 jArrayListInit = env->GetMethodID(jArrayListCls, "<init>", "()V");
156 if (env->ExceptionCheck()) return JNI_ERR;
157 jArrayListAdd = env->GetMethodID(jArrayListCls, "add", "(Ljava/lang/Object;)Z");
158 if (env->ExceptionCheck()) return JNI_ERR;
159 jArrayListGetIdx = env->GetMethodID(jArrayListCls, "get", "(I)Ljava/lang/Object;");
160 if (env->ExceptionCheck()) return JNI_ERR;
161 clazz = env->FindClass("com/sun/glass/ui/Pixels");
162 if (env->ExceptionCheck()) return JNI_ERR;
163 jPixelsAttachData = env->GetMethodID(clazz, "attachData", "(J)V");
164 if (env->ExceptionCheck()) return JNI_ERR;
165
166 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkPixels");
167 if (env->ExceptionCheck()) return JNI_ERR;
168
169 jGtkPixelsCls = (jclass) env->NewGlobalRef(clazz);
170 jGtkPixelsInit = env->GetMethodID(jGtkPixelsCls, "<init>", "(IILjava/nio/ByteBuffer;)V");
171 if (env->ExceptionCheck()) return JNI_ERR;
172
173 clazz = env->FindClass("com/sun/glass/ui/Screen");
174 if (env->ExceptionCheck()) return JNI_ERR;
175 jScreenCls = (jclass) env->NewGlobalRef(clazz);
176 jScreenInit = env->GetMethodID(jScreenCls, "<init>", "(JIIIIIIIIIIIF)V");
177 if (env->ExceptionCheck()) return JNI_ERR;
178 jScreenNotifySettingsChanged = env->GetStaticMethodID(jScreenCls, "notifySettingsChanged", "()V");
179 if (env->ExceptionCheck()) return JNI_ERR;
180
181 clazz = env->FindClass("com/sun/glass/ui/View");
182 if (env->ExceptionCheck()) return JNI_ERR;
183 jViewNotifyResize = env->GetMethodID(clazz, "notifyResize", "(II)V");
184 if (env->ExceptionCheck()) return JNI_ERR;
185 jViewNotifyMouse = env->GetMethodID(clazz, "notifyMouse", "(IIIIIIIZZ)V");
186 if (env->ExceptionCheck()) return JNI_ERR;
187 jViewNotifyRepaint = env->GetMethodID(clazz, "notifyRepaint", "(IIII)V");
188 if (env->ExceptionCheck()) return JNI_ERR;
189 jViewNotifyKey = env->GetMethodID(clazz, "notifyKey", "(II[CI)V");
190 if (env->ExceptionCheck()) return JNI_ERR;
191 jViewNotifyView = env->GetMethodID(clazz, "notifyView", "(I)V");
192 if (env->ExceptionCheck()) return JNI_ERR;
193 jViewNotifyDragEnter = env->GetMethodID(clazz, "notifyDragEnter", "(IIIII)I");
194 if (env->ExceptionCheck()) return JNI_ERR;
195 jViewNotifyDragOver = env->GetMethodID(clazz, "notifyDragOver", "(IIIII)I");
196 if (env->ExceptionCheck()) return JNI_ERR;
197 jViewNotifyDragDrop = env->GetMethodID(clazz, "notifyDragDrop", "(IIIII)I");
198 if (env->ExceptionCheck()) return JNI_ERR;
199 jViewNotifyDragLeave = env->GetMethodID(clazz, "notifyDragLeave", "()V");
200 if (env->ExceptionCheck()) return JNI_ERR;
201 jViewNotifyScroll = env->GetMethodID(clazz, "notifyScroll", "(IIIIDDIIIIIDD)V");
202 if (env->ExceptionCheck()) return JNI_ERR;
203 jViewNotifyInputMethod = env->GetMethodID(clazz, "notifyInputMethod", "(Ljava/lang/String;[I[I[BIII)V");
204 if (env->ExceptionCheck()) return JNI_ERR;
205 jViewNotifyMenu = env->GetMethodID(clazz, "notifyMenu", "(IIIIZ)V");
206 if (env->ExceptionCheck()) return JNI_ERR;
207 jViewPtr = env->GetFieldID(clazz, "ptr", "J");
208 if (env->ExceptionCheck()) return JNI_ERR;
209
210 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkView");
211 if (env->ExceptionCheck()) return JNI_ERR;
212 jViewNotifyInputMethodDraw = env->GetMethodID(clazz, "notifyInputMethodDraw", "(Ljava/lang/String;III[B)V");
213 if (env->ExceptionCheck()) return JNI_ERR;
214 jViewNotifyInputMethodCaret = env->GetMethodID(clazz, "notifyInputMethodCaret", "(III)V");
215 if (env->ExceptionCheck()) return JNI_ERR;
216 jViewNotifyPreeditMode = env->GetMethodID(clazz, "notifyPreeditMode", "(Z)V");
217 if (env->ExceptionCheck()) return JNI_ERR;
218
219 clazz = env->FindClass("com/sun/glass/ui/Window");
220 if (env->ExceptionCheck()) return JNI_ERR;
221 jWindowNotifyResize = env->GetMethodID(clazz, "notifyResize", "(III)V");
222 if (env->ExceptionCheck()) return JNI_ERR;
223 jWindowNotifyMove = env->GetMethodID(clazz, "notifyMove", "(II)V");
224 if (env->ExceptionCheck()) return JNI_ERR;
225 jWindowNotifyDestroy = env->GetMethodID(clazz, "notifyDestroy", "()V");
226 if (env->ExceptionCheck()) return JNI_ERR;
227 jWindowNotifyClose = env->GetMethodID(clazz, "notifyClose", "()V");
228 if (env->ExceptionCheck()) return JNI_ERR;
229 jWindowNotifyFocus = env->GetMethodID(clazz, "notifyFocus", "(I)V");
230 if (env->ExceptionCheck()) return JNI_ERR;
231 jWindowNotifyFocusDisabled = env->GetMethodID(clazz, "notifyFocusDisabled", "()V");
232 if (env->ExceptionCheck()) return JNI_ERR;
233 jWindowNotifyFocusUngrab = env->GetMethodID(clazz, "notifyFocusUngrab", "()V");
234 if (env->ExceptionCheck()) return JNI_ERR;
235 jWindowNotifyMoveToAnotherScreen = env->GetMethodID(clazz, "notifyMoveToAnotherScreen", "(Lcom/sun/glass/ui/Screen;)V");
236 if (env->ExceptionCheck()) return JNI_ERR;
237 jWindowNotifyLevelChanged = env->GetMethodID(clazz, "notifyLevelChanged", "(I)V");
238 if (env->ExceptionCheck()) return JNI_ERR;
239 jWindowIsEnabled = env->GetMethodID(clazz, "isEnabled", "()Z");
240 if (env->ExceptionCheck()) return JNI_ERR;
241 jWindowNotifyDelegatePtr = env->GetMethodID(clazz, "notifyDelegatePtr", "(J)V");
242 if (env->ExceptionCheck()) return JNI_ERR;
243 jWindowPtr = env->GetFieldID(clazz, "ptr", "J");
244 if (env->ExceptionCheck()) return JNI_ERR;
245
246 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkWindow");
247 if (env->ExceptionCheck()) return JNI_ERR;
248 jGtkWindowNotifyStateChanged =
249 env->GetMethodID(clazz, "notifyStateChanged", "(I)V");
250 if (env->ExceptionCheck()) return JNI_ERR;
251
252 clazz = env->FindClass("com/sun/glass/ui/Clipboard");
253 if (env->ExceptionCheck()) return JNI_ERR;
254 jClipboardContentChanged = env->GetMethodID(clazz, "contentChanged", "()V");
255 if (env->ExceptionCheck()) return JNI_ERR;
256
257 clazz = env->FindClass("com/sun/glass/ui/Cursor");
258 if (env->ExceptionCheck()) return JNI_ERR;
259 jCursorPtr = env->GetFieldID(clazz, "ptr", "J");
260 if (env->ExceptionCheck()) return JNI_ERR;
261
262 clazz = env->FindClass("com/sun/glass/ui/Size");
263 if (env->ExceptionCheck()) return JNI_ERR;
264 jSizeInit = env->GetMethodID(clazz, "<init>", "(II)V");
265 if (env->ExceptionCheck()) return JNI_ERR;
266
267 clazz = env->FindClass("java/util/Map");
268 if (env->ExceptionCheck()) return JNI_ERR;
269 jMapGet = env->GetMethodID(clazz, "get", "(Ljava/lang/Object;)Ljava/lang/Object;");
270 if (env->ExceptionCheck()) return JNI_ERR;
271 jMapKeySet = env->GetMethodID(clazz, "keySet", "()Ljava/util/Set;");
272 if (env->ExceptionCheck()) return JNI_ERR;
273 jMapContainsKey = env->GetMethodID(clazz, "containsKey", "(Ljava/lang/Object;)Z");
274 if (env->ExceptionCheck()) return JNI_ERR;
275
276 clazz = env->FindClass("java/util/HashSet");
277 if (env->ExceptionCheck()) return JNI_ERR;
278 jHashSetCls = (jclass) env->NewGlobalRef(clazz);
279 jHashSetInit = env->GetMethodID(jHashSetCls, "<init>", "()V");
280 if (env->ExceptionCheck()) return JNI_ERR;
281
282 clazz = env->FindClass("java/util/Set");
283 if (env->ExceptionCheck()) return JNI_ERR;
284 jSetAdd = env->GetMethodID(clazz, "add", "(Ljava/lang/Object;)Z");
285 if (env->ExceptionCheck()) return JNI_ERR;
286 jSetSize = env->GetMethodID(clazz, "size", "()I");
287 if (env->ExceptionCheck()) return JNI_ERR;
288 jSetToArray = env->GetMethodID(clazz, "toArray", "([Ljava/lang/Object;)[Ljava/lang/Object;");
289 if (env->ExceptionCheck()) return JNI_ERR;
290
291 clazz = env->FindClass("java/lang/Iterable");
292 if (env->ExceptionCheck()) return JNI_ERR;
293 jIterableIterator = env->GetMethodID(clazz, "iterator", "()Ljava/util/Iterator;");
294 if (env->ExceptionCheck()) return JNI_ERR;
295
296 clazz = env->FindClass("java/util/Iterator");
297 if (env->ExceptionCheck()) return JNI_ERR;
298 jIteratorHasNext = env->GetMethodID(clazz, "hasNext", "()Z");
299 if (env->ExceptionCheck()) return JNI_ERR;
300 jIteratorNext = env->GetMethodID(clazz, "next", "()Ljava/lang/Object;");
301 if (env->ExceptionCheck()) return JNI_ERR;
302
303 clazz = env->FindClass("com/sun/glass/ui/gtk/GtkApplication");
304 if (env->ExceptionCheck()) return JNI_ERR;
305 jApplicationCls = (jclass) env->NewGlobalRef(clazz);
306 jApplicationDisplay = env->GetStaticFieldID(jApplicationCls, "display", "J");
307 if (env->ExceptionCheck()) return JNI_ERR;
308 jApplicationScreen = env->GetStaticFieldID(jApplicationCls, "screen", "I");
309 if (env->ExceptionCheck()) return JNI_ERR;
310 jApplicationVisualID = env->GetStaticFieldID(jApplicationCls, "visualID", "J");
311 if (env->ExceptionCheck()) return JNI_ERR;
312 jApplicationReportException = env->GetStaticMethodID(
313 jApplicationCls, "reportException", "(Ljava/lang/Throwable;)V");
314 if (env->ExceptionCheck()) return JNI_ERR;
315 jApplicationGetApplication = env->GetStaticMethodID(
316 jApplicationCls, "GetApplication", "()Lcom/sun/glass/ui/Application;");
317 if (env->ExceptionCheck()) return JNI_ERR;
318 jApplicationGetName = env->GetMethodID(jApplicationCls, "getName", "()Ljava/lang/String;");
319 if (env->ExceptionCheck()) return JNI_ERR;
320
321 return JNI_VERSION_1_6;
322 }
323
324 void
325 glass_throw_exception(JNIEnv * env,
326 const char * exceptionClass,
327 const char * exceptionMessage) {
328 jclass throwableClass = env->FindClass(exceptionClass);
329 if (check_and_clear_exception(env)) return;
330 env->ThrowNew(throwableClass, exceptionMessage);
331 check_and_clear_exception(env);
332 }
333
334 int
335 glass_throw_oom(JNIEnv * env, const char * message) {
336 glass_throw_exception(env, "java/lang/OutOfMemoryError", message);
337 // must return a non-zero value, see HANDLE_MEM_ALLOC_ERROR
338 return 1;
339 }
340
341
342 guint8* convert_BGRA_to_RGBA(const int* pixels, int stride, int height) {
343 guint8* new_pixels = (guint8*) g_malloc(height * stride);
344 int i = 0;
345
346 for (i = 0; i < height * stride; i += 4) {
347 new_pixels[i] = (guint8)(*pixels >> 16);
348 new_pixels[i + 1] = (guint8)(*pixels >> 8);
349 new_pixels[i + 2] = (guint8)(*pixels);
350 new_pixels[i + 3] = (guint8)(*pixels >> 24);
351 pixels++;
352 }
353
354 return new_pixels;
355 }
356
357
358 void dump_jstring_array(JNIEnv* env, jobjectArray arr) {
359 if (arr == NULL) {
360 LOG0("dump: Array is null\n")
361 return;
362 }
363 jsize len = env->GetArrayLength(arr);
364 LOG1("dump: length = %d\n", len)
365 int i = 0;
366 jboolean isCopy;
367 for(i = 0; i < len; i++) {
368 jstring jstr = (jstring) env->GetObjectArrayElement(arr, i);
369 check_and_clear_exception(env);
370 const char* str = env->GetStringUTFChars(jstr, &isCopy);
371 LOG2("dump: s[%d]: %s\n", i, str)
372 }
373 }
374
375 gboolean check_and_clear_exception(JNIEnv *env) {
376 jthrowable t = env->ExceptionOccurred();
377 if (t) {
378 env->ExceptionClear();
379 env->CallStaticVoidMethod(jApplicationCls, jApplicationReportException, t);
380 return TRUE;
381 }
382 return FALSE;
383 }
384
385 // The returned string should be freed with g_free().
386 gchar* get_application_name() {
387 gchar* ret = NULL;
388
389 jobject japp = mainEnv->CallStaticObjectMethod(jApplicationCls, jApplicationGetApplication);
390 CHECK_JNI_EXCEPTION_RET(mainEnv, NULL);
391 jstring jname = (jstring) mainEnv->CallObjectMethod(japp, jApplicationGetName);
392 CHECK_JNI_EXCEPTION_RET(mainEnv, NULL);
393 if (const gchar *name = mainEnv->GetStringUTFChars(jname, NULL)) {
394 ret = g_strdup(name);
395 mainEnv->ReleaseStringUTFChars(jname, name);
396 }
397 return ret;
398 }
399
400 gpointer glass_try_malloc_n(gsize m, gsize n,
401 gboolean zer0 /* initialized to 0 if true*/) {
402 if (n > 0 && m > G_MAXSIZE / n) {
403 return NULL;
404 }
405 return (zer0)
406 ? g_try_malloc0(m * n)
407 : g_try_malloc(m * n);
408 }
409
410 /*
411 * Since we support glib 2.18 we can't use g_try_malloc_n and g_try_malloc0_n
412 * which was introduced in 2.24.
413 * glass_try_malloc_n and glass_try_malloc0_n is replacement for those functions
414 */
415 gpointer glass_try_malloc0_n(gsize m, gsize n) {
416 return glass_try_malloc_n(m, n, TRUE);
417 }
418
419 gpointer glass_try_malloc_n(gsize m, gsize n) {
420 return glass_try_malloc_n(m, n, FALSE);
421 }
422
423 gsize get_files_count(gchar **uris) {
424 if (!uris) {
425 return 0;
426 }
427
428 guint size = g_strv_length(uris);
429 guint files_cnt = 0;
430
431 for (guint i = 0; i < size; ++i) {
432 if (g_str_has_prefix(uris[i], FILE_PREFIX)) {
433 files_cnt++;
434 }
435 }
436 return files_cnt;
437 }
438
439 // Note: passed uris will be freed by this function
440 jobject uris_to_java(JNIEnv *env, gchar **uris, gboolean files) {
441 if (uris == NULL) {
442 return NULL;
443 }
444
445 jobject result = NULL;
446
447 guint size = g_strv_length(uris);
448 guint files_cnt = get_files_count(uris);
449
450 if (files) {
451 if (files_cnt) {
452 result = env->NewObjectArray(files_cnt, jStringCls, NULL);
453 check_and_clear_exception(env);
454
455 for (gsize i = 0; i < size; ++i) {
456 if (g_str_has_prefix(uris[i], FILE_PREFIX)) {
457 gchar* path = g_filename_from_uri(uris[i], NULL, NULL);
458 jstring str = env->NewStringUTF(path);
459 check_and_clear_exception(env);
460 env->SetObjectArrayElement((jobjectArray) result, i, str);
461 check_and_clear_exception(env);
462 g_free(path);
463 }
464 }
465 }
466 } else if (size - files_cnt) {
467 GString* str = g_string_new(NULL); //http://www.ietf.org/rfc/rfc2483.txt
468
469 for (guint i = 0; i < size; ++i) {
470 if (!g_str_has_prefix(uris[i], FILE_PREFIX)
471 && !g_str_has_prefix(uris[i], URI_LIST_COMMENT_PREFIX)) {
472 g_string_append(str, uris[i]);
473 g_string_append(str, URI_LIST_LINE_BREAK);
474 }
475 }
476
477 if (str->len > 2) {
478 g_string_erase(str, str->len - 2, 2);
479 }
480
481 result = env->NewStringUTF(str->str);
482 check_and_clear_exception(env);
483
484 g_string_free(str, TRUE);
485 }
486 g_strfreev(uris);
487 return result;
488 }
489
490 //***************************************************************************
491
492 typedef struct _DeviceGrabContext {
493 GdkWindow * window;
494 gboolean grabbed;
495 } DeviceGrabContext;
496
497 gboolean disableGrab = FALSE;
498 static gboolean configure_transparent_window(GtkWidget *window);
499 static void configure_opaque_window(GtkWidget *window);
500
501 static void grab_mouse_device(GdkDevice *device, DeviceGrabContext *context);
502 static void ungrab_mouse_device(GdkDevice *device);
503
504 gint glass_gdk_visual_get_depth (GdkVisual * visual)
505 {
506 // gdk_visual_get_depth is GTK 2.2 +
507 return gdk_visual_get_depth(visual);
508 }
509
510 GdkScreen * glass_gdk_window_get_screen(GdkWindow * gdkWindow)
511 {
512 #ifdef GLASS_GTK3
513 GdkVisual * gdkVisual = gdk_window_get_visual(gdkWindow);
514 return gdk_visual_get_screen(gdkVisual);
515 #else
516 return gdk_window_get_screen(gdkWindow);
517 #endif
518 }
519
520 gboolean
521 glass_gdk_mouse_devices_grab(GdkWindow *gdkWindow) {
522 #ifdef GLASS_GTK3_DISABLED
523 //this GTK 3 approach has synchronization issues covered in JDK-8176844
524 // As the approach is also deprecated in GTK 3.20+, revert back to using GTK 2 mechanism
525
526 if (disableGrab) {
527 return TRUE;
528 }
529 DeviceGrabContext context;
530 GList *devices = gdk_device_manager_list_devices (
531 gdk_display_get_device_manager(
532 gdk_display_get_default()),
533 GDK_DEVICE_TYPE_MASTER);
534
535 context.window = gdkWindow;
536 context.grabbed = FALSE;
537 g_list_foreach(devices, (GFunc) grab_mouse_device, &context);
538 g_list_free(devices);
539
540 return context.grabbed;
541 #else
542 return glass_gdk_mouse_devices_grab_with_cursor(gdkWindow, NULL, TRUE);
543 #endif
544 }
545
546 gboolean
547 glass_gdk_mouse_devices_grab_with_cursor(GdkWindow *gdkWindow, GdkCursor *cursor, gboolean owner_events) {
548 if (disableGrab) {
549 return TRUE;
550 }
551 GdkGrabStatus status = gdk_pointer_grab(gdkWindow, owner_events, (GdkEventMask)
552 (GDK_POINTER_MOTION_MASK
553 | GDK_POINTER_MOTION_HINT_MASK
554 | GDK_BUTTON_MOTION_MASK
555 | GDK_BUTTON1_MOTION_MASK
556 | GDK_BUTTON2_MOTION_MASK
557 | GDK_BUTTON3_MOTION_MASK
558 | GDK_BUTTON_PRESS_MASK
559 | GDK_BUTTON_RELEASE_MASK),
560 NULL, cursor, GDK_CURRENT_TIME);
561
562 return (status == GDK_GRAB_SUCCESS) ? TRUE : FALSE;
563 }
564
565 void
566 glass_gdk_mouse_devices_ungrab() {
567 #ifdef GLASS_GTK3_DISABLED
568 //this GTK 3 approach has synchronization issues covered in JDK-8176844
569 // As the approach is also deprecated in GTK 3.20+, revert back to using GTK 2 mechanism
570 GList *devices = gdk_device_manager_list_devices(
571 gdk_display_get_device_manager(
572 gdk_display_get_default()),
573 GDK_DEVICE_TYPE_MASTER);
574 g_list_foreach(devices, (GFunc) ungrab_mouse_device, NULL);
575 g_list_free(devices);
576 #else
577 gdk_pointer_ungrab(GDK_CURRENT_TIME);
578 #endif
579 }
580
581 void
582 glass_gdk_master_pointer_grab(GdkWindow *window, GdkCursor *cursor) {
583 if (disableGrab) {
584 gdk_window_set_cursor(window, cursor);
585 return;
586 }
587 #ifdef GLASS_GTK3
588 gdk_device_grab(gdk_device_manager_get_client_pointer(
589 gdk_display_get_device_manager(
590 gdk_display_get_default())),
591 window, GDK_OWNERSHIP_NONE, FALSE, GDK_ALL_EVENTS_MASK,
592 cursor, GDK_CURRENT_TIME);
593 #else
594 gdk_pointer_grab(window, FALSE, (GdkEventMask)
595 (GDK_POINTER_MOTION_MASK
596 | GDK_BUTTON_MOTION_MASK
597 | GDK_BUTTON1_MOTION_MASK
598 | GDK_BUTTON2_MOTION_MASK
599 | GDK_BUTTON3_MOTION_MASK
600 | GDK_BUTTON_RELEASE_MASK),
601 NULL, cursor, GDK_CURRENT_TIME);
602 #endif
603 }
604
605 void
606 glass_gdk_master_pointer_ungrab() {
607 #ifdef GLASS_GTK3
608 gdk_device_ungrab(gdk_device_manager_get_client_pointer(
609 gdk_display_get_device_manager(
610 gdk_display_get_default())),
611 GDK_CURRENT_TIME);
612 #else
613 gdk_pointer_ungrab(GDK_CURRENT_TIME);
614 #endif
615 }
616
617 void
618 glass_gdk_master_pointer_get_position(gint *x, gint *y) {
619 #ifdef GLASS_GTK3
620 gdk_device_get_position(gdk_device_manager_get_client_pointer(
621 gdk_display_get_device_manager(
622 gdk_display_get_default())),
623 NULL, x, y);
624 #else
625 gdk_display_get_pointer(gdk_display_get_default(), NULL, x, y, NULL);
626 #endif
627 }
628
629 gboolean
630 glass_gdk_device_is_grabbed(GdkDevice *device) {
631 #ifdef GLASS_GTK3
632 return gdk_display_device_is_grabbed(gdk_display_get_default(), device);
633 #else
634 (void) device;
635 return gdk_display_pointer_is_grabbed(gdk_display_get_default());
636 #endif
637 }
638
639 void
640 glass_gdk_device_ungrab(GdkDevice *device) {
641 #ifdef GLASS_GTK3
642 gdk_device_ungrab(device, GDK_CURRENT_TIME);
643 #else
644 (void) device;
645 gdk_pointer_ungrab(GDK_CURRENT_TIME);
646 #endif
647 }
648
649 GdkWindow *
650 glass_gdk_device_get_window_at_position(GdkDevice *device, gint *x, gint *y) {
651 #ifdef GLASS_GTK3
652 return gdk_device_get_window_at_position(device, x, y);
653 #else
654 (void) device;
655 return gdk_display_get_window_at_pointer(gdk_display_get_default(), x, y);
656 #endif
657 }
658
659 void
660 glass_gtk_configure_transparency_and_realize(GtkWidget *window,
661 gboolean transparent) {
662 gboolean isTransparent = glass_configure_window_transparency(window, transparent);
663 gtk_widget_realize(window);
664 }
665
666 void
667 glass_gtk_window_configure_from_visual(GtkWidget *widget, GdkVisual *visual) {
668 glass_widget_set_visual(widget, visual);
669 }
670
671 static gboolean
672 configure_transparent_window(GtkWidget *window) {
673 GdkScreen *default_screen = gdk_screen_get_default();
674 GdkDisplay *default_display = gdk_display_get_default();
675
676 #ifdef GLASS_GTK3
677 GdkVisual *visual = gdk_screen_get_rgba_visual(default_screen);
678 if (visual
679 && gdk_display_supports_composite(default_display)
680 && gdk_screen_is_composited(default_screen)) {
681 glass_widget_set_visual(window, visual);
682 return TRUE;
683 }
684 #else
685 GdkColormap *colormap = gdk_screen_get_rgba_colormap(default_screen);
686 if (colormap
687 && gdk_display_supports_composite(default_display)
688 && gdk_screen_is_composited(default_screen)) {
689 gtk_widget_set_colormap(window, colormap);
690 return TRUE;
691 }
692 #endif
693
694 return FALSE;
695 }
696
697 void
698 glass_gdk_window_get_size(GdkWindow *window, gint *w, gint *h) {
699 *w = gdk_window_get_width(window);
700 *h = gdk_window_get_height(window);
701 }
702
703 void
704 glass_gdk_display_get_pointer(GdkDisplay* display, gint* x, gint *y) {
705 #ifdef GLASS_GTK3
706 gdk_device_get_position(
707 gdk_device_manager_get_client_pointer(
708 gdk_display_get_device_manager(display)), NULL , x, y);
709 #else
710 gdk_display_get_pointer(display, NULL, x, y, NULL);
711 #endif
712 }
713
714
715 const guchar*
716 glass_gtk_selection_data_get_data_with_length(
717 GtkSelectionData * selectionData,
718 gint * length) {
719 if (selectionData == NULL) {
720 return NULL;
721 }
722
723 *length = gtk_selection_data_get_length(selectionData);
724 return gtk_selection_data_get_data(selectionData);
725 }
726
727 static void
728 configure_opaque_window(GtkWidget *window) {
729 (void) window;
730 /* We need to pick a visual that really is glx compatible
731 * instead of using the default visual
732 */
733 /* see: JDK-8087516 for why this is commented out
734 glass_widget_set_visual(window,
735 gdk_screen_get_system_visual(
736 gdk_screen_get_default()));
737 */
738 }
739
740 gboolean
741 glass_configure_window_transparency(GtkWidget *window, gboolean transparent) {
742 if (transparent) {
743 if (configure_transparent_window(window)) {
744 return TRUE;
745 }
746
747 fprintf(stderr,"Can't create transparent stage, because your screen doesn't"
748 " support alpha channel."
749 " You need to enable XComposite extension.\n");
750 fflush(stderr);
751 }
752
753 configure_opaque_window(window);
754 return FALSE;
755 }
756
757 static void
758 grab_mouse_device(GdkDevice *device, DeviceGrabContext *context) {
759 GdkInputSource source = gdk_device_get_source(device);
760 if (source == GDK_SOURCE_MOUSE) {
761 #ifdef GLASS_GTK3
762 GdkGrabStatus status = gdk_device_grab(device,
763 context->window,
764 GDK_OWNERSHIP_NONE,
765 TRUE,
766 GDK_ALL_EVENTS_MASK,
767 NULL,
768 GDK_CURRENT_TIME);
769 #else
770 GdkGrabStatus status = GDK_GRAB_SUCCESS;
771 /* FIXME reachable by 2?
772 GdkGrabStatus status = gdk_device_grab(device,
773 context->window,
774 GDK_OWNERSHIP_NONE,
775 TRUE,
776 GDK_ALL_EVENTS_MASK,
777 NULL,
778 GDK_CURRENT_TIME);
779 */
780 #endif
781 if (status == GDK_GRAB_SUCCESS) {
782 context->grabbed = TRUE;
783 }
784 }
785 }
786
787 static void
788 ungrab_mouse_device(GdkDevice *device) {
789 #ifdef GLASS_GTK3
790 GdkInputSource source = gdk_device_get_source(device);
791 if (source == GDK_SOURCE_MOUSE) {
792 gdk_device_ungrab(device, GDK_CURRENT_TIME);
793 }
794 #else
795 (void) device;
796 // not used on the GTK2 path
797 #endif
798 }
799
800 GdkPixbuf *
801 glass_pixbuf_from_window(GdkWindow *window,
802 gint srcx, gint srcy,
803 gint width, gint height)
804 {
805 GdkPixbuf * ret = NULL;
806
807 #ifdef GLASS_GTK3
808 ret = gdk_pixbuf_get_from_window (window, srcx, srcy, width, height);
809 #else
810 ret = gdk_pixbuf_get_from_drawable (NULL,
811 window,
812 NULL,
813 srcx, srcy,
814 0, 0,
815 width, height);
816 #endif
817 return ret;
818 }
819
820 void
821 glass_window_apply_shape_mask(GdkWindow *window,
822 void* data, uint width, uint height)
823 {
824 #ifdef GLASS_GTK3
825 (void) window;
826 (void) data;
827 (void) width;
828 (void) height;
829 #else
830 GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data((guchar *) data,
831 GDK_COLORSPACE_RGB, TRUE, 8, width, height, width * 4, NULL, NULL);
832
833 if (GDK_IS_PIXBUF(pixbuf)) {
834 GdkBitmap* mask = NULL;
835 gdk_pixbuf_render_pixmap_and_mask(pixbuf, NULL, &mask, 128);
836
837 gdk_window_input_shape_combine_mask(window, mask, 0, 0);
838
839 g_object_unref(pixbuf);
840 if (mask) {
841 g_object_unref(mask);
842 }
843 }
844 #endif
845 }
846
847 void
848 glass_window_reset_input_shape_mask(GdkWindow *window)
849 {
850 #ifdef GLASS_GTK3
851 gdk_window_input_shape_combine_region(window, NULL, 0, 0);
852 #else
853 gdk_window_input_shape_combine_mask(window, NULL, 0, 0);
854 #endif
855 }
856
857 GdkWindow *
858 glass_gdk_drag_context_get_dest_window (GdkDragContext * context)
859 {
860 return ((context != NULL) ? gdk_drag_context_get_dest_window(context) : NULL);
861 }
862
863
864 void glass_gdk_x11_display_set_window_scale (GdkDisplay *display,
865 gint scale)
866 {
867 #ifdef GLASS_GTK3
868 // Optional call, if it does not exist then GTK3 is not yet
869 // doing automatic scaling of coordinates so we do not need
870 // to override it.
871 wrapped_gdk_x11_display_set_window_scale(display, scale);
872 #else
873 (void) display;
874 (void) scale;
875 #endif
876 }
877
878 //-------- Glass utility ----------------------------------------
879
880 void
881 glass_widget_set_visual(GtkWidget *widget, GdkVisual *visual)
882 {
883 #ifdef GLASS_GTK3
884 gtk_widget_set_visual (widget, visual);
885 #else
886 GdkColormap *colormap = gdk_colormap_new(visual, TRUE);
887 gtk_widget_set_colormap (widget, colormap);
888 #endif
889 }
890
891 guint glass_settings_get_guint_opt (const gchar *schema_name,
892 const gchar *key_name,
893 int defval)
894 {
895 GSettingsSchemaSource *default_schema_source =
896 wrapped_g_settings_schema_source_get_default();
897 if (default_schema_source == NULL) {
898 if (gtk_verbose) {
899 fprintf(stderr, "No schema source dir found!\n");
900 }
901 return defval;
902 }
903 GSettingsSchema *the_schema =
904 wrapped_g_settings_schema_source_lookup(default_schema_source, schema_name, TRUE);
905 if (the_schema == NULL) {
906 if (gtk_verbose) {
907 fprintf(stderr, "schema '%s' not found!\n", schema_name);
908 }
909 return defval;
910 }
911 if (!wrapped_g_settings_schema_has_key(the_schema, key_name)) {
912 if (gtk_verbose) {
913 fprintf(stderr, "key '%s' not found in schema '%s'!\n", key_name, schema_name);
914 }
915 return defval;
916 }
917 if (gtk_verbose) {
918 fprintf(stderr, "found schema '%s' and key '%s'\n", schema_name, key_name);
919 }
920
921 GSettings *gset = g_settings_new(schema_name);
922
923 wrapped_g_settings_schema_unref(the_schema);
924
925 return g_settings_get_uint(gset, key_name);
926 }