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 #include "glass_window.h"
26 #include "glass_general.h"
27 #include "glass_key.h"
28 #include "glass_screen.h"
29 #include "glass_dnd.h"
30
31 #include <com_sun_glass_events_WindowEvent.h>
32 #include <com_sun_glass_events_ViewEvent.h>
33 #include <com_sun_glass_events_MouseEvent.h>
34 #include <com_sun_glass_events_KeyEvent.h>
35
36 #include <com_sun_glass_ui_Window_Level.h>
37
38 #include <X11/extensions/shape.h>
39 #include <cairo.h>
40 #include <cairo-xlib.h>
41 #include <gdk/gdkx.h>
42 #include <gdk/gdk.h>
43 #ifdef GLASS_GTK3
44 #include <gtk/gtkx.h>
45 #endif
46
47 #include <string.h>
48
49 #include <iostream>
50 #include <algorithm>
51
52 WindowContext * WindowContextBase::sm_grab_window = NULL;
53 WindowContext * WindowContextBase::sm_mouse_drag_window = NULL;
54
55 GdkWindow* WindowContextBase::get_gdk_window(){
56 return gdk_window;
57 }
58
59 jobject WindowContextBase::get_jview() {
60 return jview;
61 }
62
63 jobject WindowContextBase::get_jwindow() {
64 return jwindow;
65 }
66
67 bool WindowContextBase::isEnabled() {
68 if (jwindow) {
69 bool result = (JNI_TRUE == mainEnv->CallBooleanMethod(jwindow, jWindowIsEnabled));
70 LOG_EXCEPTION(mainEnv)
71 return result;
72 } else {
73 return false;
74 }
75 }
76
77 void WindowContextBase::notify_state(jint glass_state) {
78 if (glass_state == com_sun_glass_events_WindowEvent_RESTORE) {
79 if (is_maximized) {
80 glass_state = com_sun_glass_events_WindowEvent_MAXIMIZE;
81 }
82
83 int w, h;
84 glass_gdk_window_get_size(gdk_window, &w, &h);
85 if (jview) {
86 mainEnv->CallVoidMethod(jview,
87 jViewNotifyRepaint,
88 0, 0, w, h);
89 CHECK_JNI_EXCEPTION(mainEnv);
90 }
91 }
92
93 if (jwindow) {
94 mainEnv->CallVoidMethod(jwindow,
95 jGtkWindowNotifyStateChanged,
96 glass_state);
97 CHECK_JNI_EXCEPTION(mainEnv);
98 }
99 }
100
101 void WindowContextBase::process_state(GdkEventWindowState* event) {
102 if (event->changed_mask &
103 (GDK_WINDOW_STATE_ICONIFIED | GDK_WINDOW_STATE_MAXIMIZED)) {
104
105 if (event->changed_mask & GDK_WINDOW_STATE_ICONIFIED) {
106 is_iconified = event->new_window_state & GDK_WINDOW_STATE_ICONIFIED;
107 }
108 if (event->changed_mask & GDK_WINDOW_STATE_MAXIMIZED) {
109 is_maximized = event->new_window_state & GDK_WINDOW_STATE_MAXIMIZED;
110 }
111
112 jint stateChangeEvent;
113
114 if (is_iconified) {
115 stateChangeEvent = com_sun_glass_events_WindowEvent_MINIMIZE;
116 } else if (is_maximized) {
117 stateChangeEvent = com_sun_glass_events_WindowEvent_MAXIMIZE;
118 } else {
119 stateChangeEvent = com_sun_glass_events_WindowEvent_RESTORE;
120 if ((gdk_windowManagerFunctions & GDK_FUNC_MINIMIZE) == 0) {
121 // in this case - the window manager will not support the programatic
122 // request to iconify - so we need to restore it now.
123 gdk_window_set_functions(gdk_window, gdk_windowManagerFunctions);
124 }
125 }
126
127 notify_state(stateChangeEvent);
128 } else if (event->changed_mask & GDK_WINDOW_STATE_ABOVE) {
129 notify_on_top( event->new_window_state & GDK_WINDOW_STATE_ABOVE);
130 }
131 }
132
133 void WindowContextBase::process_focus(GdkEventFocus* event) {
134 if (!event->in && WindowContextBase::sm_mouse_drag_window == this) {
135 ungrab_mouse_drag_focus();
136 }
137 if (!event->in && WindowContextBase::sm_grab_window == this) {
138 ungrab_focus();
139 }
140
141 if (xim.enabled && xim.ic) {
142 if (event->in) {
143 XSetICFocus(xim.ic);
144 } else {
145 XUnsetICFocus(xim.ic);
146 }
147 }
148
149 if (jwindow) {
150 if (!event->in || isEnabled()) {
151 mainEnv->CallVoidMethod(jwindow, jWindowNotifyFocus,
152 event->in ? com_sun_glass_events_WindowEvent_FOCUS_GAINED : com_sun_glass_events_WindowEvent_FOCUS_LOST);
153 CHECK_JNI_EXCEPTION(mainEnv)
154 } else {
155 mainEnv->CallVoidMethod(jwindow, jWindowNotifyFocusDisabled);
156 CHECK_JNI_EXCEPTION(mainEnv)
157 }
158 }
159 }
160
161 void WindowContextBase::increment_events_counter() {
162 ++events_processing_cnt;
163 }
164
165 void WindowContextBase::decrement_events_counter() {
166 --events_processing_cnt;
167 }
168
169 size_t WindowContextBase::get_events_count() {
170 return events_processing_cnt;
171 }
172
173 bool WindowContextBase::is_dead() {
174 return can_be_deleted;
175 }
176
177 void destroy_and_delete_ctx(WindowContext* ctx) {
178 if (ctx) {
179 ctx->process_destroy();
180
181 if (!ctx->get_events_count()) {
182 delete ctx;
183 }
184 // else: ctx will be deleted in EventsCounterHelper after completing
185 // an event processing
186 }
187 }
188
189 void WindowContextBase::process_destroy() {
190 if (WindowContextBase::sm_mouse_drag_window == this) {
191 ungrab_mouse_drag_focus();
192 }
193
194 if (WindowContextBase::sm_grab_window == this) {
195 ungrab_focus();
196 }
197
198 std::set<WindowContextTop*>::iterator it;
199 for (it = children.begin(); it != children.end(); ++it) {
200 (*it)->set_owner(NULL);
201 destroy_and_delete_ctx(*it);
202 }
203 children.clear();
204
205 if (jwindow) {
206 mainEnv->CallVoidMethod(jwindow, jWindowNotifyDestroy);
207 EXCEPTION_OCCURED(mainEnv);
208 }
209
210 if (jview) {
211 mainEnv->DeleteGlobalRef(jview);
212 jview = NULL;
213 }
214
215 if (jwindow) {
216 mainEnv->DeleteGlobalRef(jwindow);
217 jwindow = NULL;
218 }
219
220 can_be_deleted = true;
221 }
222
223 void WindowContextBase::process_delete() {
224 if (jwindow && isEnabled()) {
225 mainEnv->CallVoidMethod(jwindow, jWindowNotifyClose);
226 CHECK_JNI_EXCEPTION(mainEnv)
227 }
228 }
229
230 void WindowContextBase::process_expose(GdkEventExpose* event) {
231 if (jview) {
232 mainEnv->CallVoidMethod(jview, jViewNotifyRepaint, event->area.x, event->area.y, event->area.width, event->area.height);
233 CHECK_JNI_EXCEPTION(mainEnv)
234 }
235 }
236
237 static inline jint gtk_button_number_to_mouse_button(guint button) {
238 switch (button) {
239 case 1:
240 return com_sun_glass_events_MouseEvent_BUTTON_LEFT;
241 case 2:
242 return com_sun_glass_events_MouseEvent_BUTTON_OTHER;
243 case 3:
244 return com_sun_glass_events_MouseEvent_BUTTON_RIGHT;
245 default:
246 // Other buttons are not supported by quantum and are not reported by other platforms
247 return com_sun_glass_events_MouseEvent_BUTTON_NONE;
248 }
249 }
250
251 void WindowContextBase::process_mouse_button(GdkEventButton* event) {
252 bool press = event->type == GDK_BUTTON_PRESS;
253 guint state = event->state;
254 guint mask = 0;
255
256 // We need to add/remove current mouse button from the modifier flags
257 // as X lib state represents the state just prior to the event and
258 // glass needs the state just after the event
259 switch (event->button) {
260 case 1:
261 mask = GDK_BUTTON1_MASK;
262 break;
263 case 2:
264 mask = GDK_BUTTON2_MASK;
265 break;
266 case 3:
267 mask = GDK_BUTTON3_MASK;
268 break;
269 }
270
271 if (press) {
272 state |= mask;
273 } else {
274 state &= ~mask;
275 }
276
277 if (press) {
278 GdkDevice* device = event->device;
279
280 if (glass_gdk_device_is_grabbed(device)
281 && (glass_gdk_device_get_window_at_position(device, NULL, NULL)
282 == NULL)) {
283 ungrab_focus();
284 return;
285 }
286 }
287
288 // Upper layers expects from us Windows behavior:
289 // all mouse events should be delivered to window where drag begins
290 // and no exit/enter event should be reported during this drag.
291 // We can grab mouse pointer for these needs.
292 if (press) {
293 grab_mouse_drag_focus();
294 } else if ((event->state & MOUSE_BUTTONS_MASK)
295 && !(state & MOUSE_BUTTONS_MASK)) { // all buttons released
296 ungrab_mouse_drag_focus();
297 }
298
299 jint button = gtk_button_number_to_mouse_button(event->button);
300
301 if (jview && button != com_sun_glass_events_MouseEvent_BUTTON_NONE) {
302 mainEnv->CallVoidMethod(jview, jViewNotifyMouse,
303 press ? com_sun_glass_events_MouseEvent_DOWN : com_sun_glass_events_MouseEvent_UP,
304 button,
305 (jint) event->x, (jint) event->y,
306 (jint) event->x_root, (jint) event->y_root,
307 gdk_modifier_mask_to_glass(state),
308 (event->button == 3 && press) ? JNI_TRUE : JNI_FALSE,
309 JNI_FALSE);
310 CHECK_JNI_EXCEPTION(mainEnv)
311
312 if (jview && event->button == 3 && press) {
313 mainEnv->CallVoidMethod(jview, jViewNotifyMenu,
314 (jint)event->x, (jint)event->y,
315 (jint)event->x_root, (jint)event->y_root,
316 JNI_FALSE);
317 CHECK_JNI_EXCEPTION(mainEnv)
318 }
319 }
320 }
321
322 void WindowContextBase::process_mouse_motion(GdkEventMotion* event) {
323 jint glass_modifier = gdk_modifier_mask_to_glass(event->state);
324 jint isDrag = glass_modifier & (
325 com_sun_glass_events_KeyEvent_MODIFIER_BUTTON_PRIMARY |
326 com_sun_glass_events_KeyEvent_MODIFIER_BUTTON_MIDDLE |
327 com_sun_glass_events_KeyEvent_MODIFIER_BUTTON_SECONDARY);
328 jint button = com_sun_glass_events_MouseEvent_BUTTON_NONE;
329
330 if (glass_modifier & com_sun_glass_events_KeyEvent_MODIFIER_BUTTON_PRIMARY) {
331 button = com_sun_glass_events_MouseEvent_BUTTON_LEFT;
332 } else if (glass_modifier & com_sun_glass_events_KeyEvent_MODIFIER_BUTTON_MIDDLE) {
333 button = com_sun_glass_events_MouseEvent_BUTTON_OTHER;
334 } else if (glass_modifier & com_sun_glass_events_KeyEvent_MODIFIER_BUTTON_SECONDARY) {
335 button = com_sun_glass_events_MouseEvent_BUTTON_RIGHT;
336 }
337
338 if (jview) {
339 mainEnv->CallVoidMethod(jview, jViewNotifyMouse,
340 isDrag ? com_sun_glass_events_MouseEvent_DRAG : com_sun_glass_events_MouseEvent_MOVE,
341 button,
342 (jint) event->x, (jint) event->y,
343 (jint) event->x_root, (jint) event->y_root,
344 glass_modifier,
345 JNI_FALSE,
346 JNI_FALSE);
347 CHECK_JNI_EXCEPTION(mainEnv)
348 }
349 }
350
351 void WindowContextBase::process_mouse_scroll(GdkEventScroll* event) {
352 jdouble dx = 0;
353 jdouble dy = 0;
354
355 // converting direction to change in pixels
356 switch (event->direction) {
357 #if GTK_CHECK_VERSION(3, 4, 0)
358 case GDK_SCROLL_SMOOTH:
359 //FIXME 3.4 ???
360 break;
361 #endif
362 case GDK_SCROLL_UP:
363 dy = 1;
364 break;
365 case GDK_SCROLL_DOWN:
366 dy = -1;
367 break;
368 case GDK_SCROLL_LEFT:
369 dx = 1;
370 break;
371 case GDK_SCROLL_RIGHT:
372 dx = -1;
373 break;
374 }
375
376 if (jview) {
377 mainEnv->CallVoidMethod(jview, jViewNotifyScroll,
378 (jint) event->x, (jint) event->y,
379 (jint) event->x_root, (jint) event->y_root,
380 dx, dy,
381 gdk_modifier_mask_to_glass(event->state),
382 (jint) 0, (jint) 0,
383 (jint) 0, (jint) 0,
384 (jdouble) 40.0, (jdouble) 40.0);
385 CHECK_JNI_EXCEPTION(mainEnv)
386 }
387
388 }
389
390 void WindowContextBase::process_mouse_cross(GdkEventCrossing* event) {
391 bool enter = event->type == GDK_ENTER_NOTIFY;
392 if (jview) {
393 guint state = event->state;
394 if (enter) { // workaround for RT-21590
395 state &= ~MOUSE_BUTTONS_MASK;
396 }
397
398 if (enter != is_mouse_entered) {
399 is_mouse_entered = enter;
400 mainEnv->CallVoidMethod(jview, jViewNotifyMouse,
401 enter ? com_sun_glass_events_MouseEvent_ENTER : com_sun_glass_events_MouseEvent_EXIT,
402 com_sun_glass_events_MouseEvent_BUTTON_NONE,
403 (jint) event->x, (jint) event->y,
404 (jint) event->x_root, (jint) event->y_root,
405 gdk_modifier_mask_to_glass(state),
406 JNI_FALSE,
407 JNI_FALSE);
408 CHECK_JNI_EXCEPTION(mainEnv)
409 }
410 }
411 }
412
413 void WindowContextBase::process_key(GdkEventKey* event) {
414 bool press = event->type == GDK_KEY_PRESS;
415 jint glassKey = get_glass_key(event);
416 jint glassModifier = gdk_modifier_mask_to_glass(event->state);
417 if (press) {
418 glassModifier |= glass_key_to_modifier(glassKey);
419 } else {
420 glassModifier &= ~glass_key_to_modifier(glassKey);
421 }
422 jcharArray jChars = NULL;
423 jchar key = gdk_keyval_to_unicode(event->keyval);
424 if (key >= 'a' && key <= 'z' && (event->state & GDK_CONTROL_MASK)) {
425 key = key - 'a' + 1; // map 'a' to ctrl-a, and so on.
426 } else {
427 #ifdef GLASS_GTK2
428 if (key == 0) {
429 // Work around "bug" fixed in gtk-3.0:
430 // http://mail.gnome.org/archives/commits-list/2011-March/msg06832.html
431 switch (event->keyval) {
432 case 0xFF08 /* Backspace */: key = '\b';
433 case 0xFF09 /* Tab */: key = '\t';
434 case 0xFF0A /* Linefeed */: key = '\n';
435 case 0xFF0B /* Vert. Tab */: key = '\v';
436 case 0xFF0D /* Return */: key = '\r';
437 case 0xFF1B /* Escape */: key = '\033';
438 case 0xFFFF /* Delete */: key = '\177';
439 }
440 }
441 #endif
442 }
443
444 if (key > 0) {
445 jChars = mainEnv->NewCharArray(1);
446 if (jChars) {
447 mainEnv->SetCharArrayRegion(jChars, 0, 1, &key);
448 CHECK_JNI_EXCEPTION(mainEnv)
449 }
450 } else {
451 jChars = mainEnv->NewCharArray(0);
452 }
453 if (jview) {
454 if (press) {
455 mainEnv->CallVoidMethod(jview, jViewNotifyKey,
456 com_sun_glass_events_KeyEvent_PRESS,
457 glassKey,
458 jChars,
459 glassModifier);
460 CHECK_JNI_EXCEPTION(mainEnv)
461
462 if (jview && key > 0) { // TYPED events should only be sent for printable characters.
463 mainEnv->CallVoidMethod(jview, jViewNotifyKey,
464 com_sun_glass_events_KeyEvent_TYPED,
465 com_sun_glass_events_KeyEvent_VK_UNDEFINED,
466 jChars,
467 glassModifier);
468 CHECK_JNI_EXCEPTION(mainEnv)
469 }
470 } else {
471 mainEnv->CallVoidMethod(jview, jViewNotifyKey,
472 com_sun_glass_events_KeyEvent_RELEASE,
473 glassKey,
474 jChars,
475 glassModifier);
476 CHECK_JNI_EXCEPTION(mainEnv)
477 }
478 }
479 }
480
481 void WindowContextBase::paint(void* data, jint width, jint height)
482 {
483 if (!is_visible()) {
484 return;
485 }
486 #ifdef GLASS_GTK3
487 cairo_region_t *region = gdk_window_get_clip_region(gdk_window);
488 gdk_window_begin_paint_region(gdk_window, region);
489 #endif
490 cairo_t* context;
491 context = gdk_cairo_create(gdk_window);
492
493 cairo_surface_t* cairo_surface;
494 cairo_surface = cairo_image_surface_create_for_data(
495 (unsigned char*)data,
496 CAIRO_FORMAT_ARGB32,
497 width, height, width * 4);
498
499 applyShapeMask(data, width, height);
500
501 cairo_set_source_surface(context, cairo_surface, 0, 0);
502 cairo_set_operator (context, CAIRO_OPERATOR_SOURCE);
503 cairo_paint(context);
504 #ifdef GLASS_GTK3
505 gdk_window_end_paint(gdk_window);
506 cairo_region_destroy(region);
507 #endif
508
509 cairo_destroy(context);
510 cairo_surface_destroy(cairo_surface);
511 }
512
513 void WindowContextBase::add_child(WindowContextTop* child) {
514 children.insert(child);
515 gtk_window_set_transient_for(child->get_gtk_window(), this->get_gtk_window());
516 }
517
518 void WindowContextBase::remove_child(WindowContextTop* child) {
519 children.erase(child);
520 gtk_window_set_transient_for(child->get_gtk_window(), NULL);
521 }
522
523 void WindowContextBase::show_or_hide_children(bool show) {
524 std::set<WindowContextTop*>::iterator it;
525 for (it = children.begin(); it != children.end(); ++it) {
526 (*it)->set_minimized(!show);
527 (*it)->show_or_hide_children(show);
528 }
529 }
530
531 void WindowContextBase::reparent_children(WindowContext* parent) {
532 std::set<WindowContextTop*>::iterator it;
533 for (it = children.begin(); it != children.end(); ++it) {
534 (*it)->set_owner(parent);
535 parent->add_child(*it);
536 }
537 children.clear();
538 }
539
540 void WindowContextBase::set_visible(bool visible) {
541 if (visible) {
542 gtk_widget_show_all(gtk_widget);
543 } else {
544 gtk_widget_hide(gtk_widget);
545 if (jview && is_mouse_entered) {
546 is_mouse_entered = false;
547 mainEnv->CallVoidMethod(jview, jViewNotifyMouse,
548 com_sun_glass_events_MouseEvent_EXIT,
549 com_sun_glass_events_MouseEvent_BUTTON_NONE,
550 0, 0,
551 0, 0,
552 0,
553 JNI_FALSE,
554 JNI_FALSE);
555 CHECK_JNI_EXCEPTION(mainEnv)
556 }
557 }
558 }
559
560 bool WindowContextBase::is_visible() {
561 return gtk_widget_get_visible(gtk_widget);
562 }
563
564 bool WindowContextBase::set_view(jobject view) {
565
566 if (jview) {
567 mainEnv->DeleteGlobalRef(jview);
568 }
569
570 if (view) {
571 gint width, height;
572 jview = mainEnv->NewGlobalRef(view);
573 gtk_window_get_size(GTK_WINDOW(gtk_widget), &width, &height);
574 mainEnv->CallVoidMethod(view, jViewNotifyResize, width, height);
575 CHECK_JNI_EXCEPTION_RET(mainEnv, FALSE)
576 } else {
577 jview = NULL;
578 }
579 return TRUE;
580 }
581
582 bool WindowContextBase::grab_mouse_drag_focus() {
583 if (glass_gdk_mouse_devices_grab_with_cursor(
584 gdk_window, gdk_window_get_cursor(gdk_window), FALSE)) {
585 WindowContextBase::sm_mouse_drag_window = this;
586 return true;
587 } else {
588 return false;
589 }
590 }
591
592 void WindowContextBase::ungrab_mouse_drag_focus() {
593 WindowContextBase::sm_mouse_drag_window = NULL;
594 glass_gdk_mouse_devices_ungrab();
595 if (WindowContextBase::sm_grab_window) {
596 WindowContextBase::sm_grab_window->grab_focus();
597 }
598 }
599
600 bool WindowContextBase::grab_focus() {
601 if (WindowContextBase::sm_mouse_drag_window
602 || glass_gdk_mouse_devices_grab(gdk_window)) {
603 WindowContextBase::sm_grab_window = this;
604 return true;
605 } else {
606 return false;
607 }
608 }
609
610 void WindowContextBase::ungrab_focus() {
611 if (!WindowContextBase::sm_mouse_drag_window) {
612 glass_gdk_mouse_devices_ungrab();
613 }
614 WindowContextBase::sm_grab_window = NULL;
615
616 if (jwindow) {
617 mainEnv->CallVoidMethod(jwindow, jWindowNotifyFocusUngrab);
618 CHECK_JNI_EXCEPTION(mainEnv)
619 }
620 }
621
622 void WindowContextBase::set_cursor(GdkCursor* cursor) {
623 if (!is_in_drag()) {
624 if (WindowContextBase::sm_mouse_drag_window) {
625 glass_gdk_mouse_devices_grab_with_cursor(
626 WindowContextBase::sm_mouse_drag_window->get_gdk_window(), cursor, FALSE);
627 } else if (WindowContextBase::sm_grab_window) {
628 glass_gdk_mouse_devices_grab_with_cursor(
629 WindowContextBase::sm_grab_window->get_gdk_window(), cursor, TRUE);
630 }
631 }
632 gdk_window_set_cursor(gdk_window, cursor);
633 }
634
635 void WindowContextBase::set_background(float r, float g, float b) {
636 #ifdef GLASS_GTK3
637 GdkRGBA rgba = {0, 0, 0, 1.};
638 rgba.red = r;
639 rgba.green = g;
640 rgba.blue = b;
641 gdk_window_set_background_rgba(gdk_window, &rgba);
642 #else
643 GdkColor color;
644 color.red = (guint16) (r * 65535);
645 color.green = (guint16) (g * 65535);
646 color.blue = (guint16) (b * 65535);
647 gtk_widget_modify_bg(gtk_widget, GTK_STATE_NORMAL, &color);
648 #endif
649 }
650
651 WindowContextBase::~WindowContextBase() {
652 if (xim.ic) {
653 XDestroyIC(xim.ic);
654 xim.ic = NULL;
655 }
656 if (xim.im) {
657 XCloseIM(xim.im);
658 xim.im = NULL;
659 }
660
661 gtk_widget_destroy(gtk_widget);
662 }
663
664 ////////////////////////////// WindowContextTop /////////////////////////////////
665
666
667 WindowContextTop::WindowContextTop(jobject _jwindow, WindowContext* _owner, long _screen,
668 WindowFrameType _frame_type, WindowType type, GdkWMFunction wmf) :
669 WindowContextBase(),
670 screen(_screen),
671 frame_type(_frame_type),
672 owner(_owner),
673 geometry(),
674 resizable(),
675 frame_extents_initialized(),
676 map_received(false),
677 location_assigned(false),
678 size_assigned(false),
679 on_top(false)
680 {
681 jwindow = mainEnv->NewGlobalRef(_jwindow);
682
683 gtk_widget = gtk_window_new(type == POPUP ? GTK_WINDOW_POPUP : GTK_WINDOW_TOPLEVEL);
684
685 if (gchar* app_name = get_application_name()) {
686 gtk_window_set_wmclass(GTK_WINDOW(gtk_widget), app_name, app_name);
687 g_free(app_name);
688 }
689
690 if (owner) {
691 owner->add_child(this);
692 if (on_top_inherited()) {
693 gtk_window_set_keep_above(GTK_WINDOW(gtk_widget), TRUE);
694 }
695 }
696
697 if (type == UTILITY) {
698 gtk_window_set_type_hint(GTK_WINDOW(gtk_widget), GDK_WINDOW_TYPE_HINT_UTILITY);
699 }
700
701 // glong xdisplay = (glong)mainEnv->GetStaticLongField(jApplicationCls, jApplicationDisplay);
702 // gint xscreenID = (gint)mainEnv->GetStaticIntField(jApplicationCls, jApplicationScreen);
703 glong xvisualID = (glong)mainEnv->GetStaticLongField(jApplicationCls, jApplicationVisualID);
704
705 if (xvisualID != 0) {
706 GdkVisual *visual = gdk_x11_screen_lookup_visual(gdk_screen_get_default(), xvisualID);
707 glass_gtk_window_configure_from_visual(gtk_widget, visual);
708 }
709
710 gtk_widget_set_size_request(gtk_widget, 0, 0);
711 gtk_widget_set_events(gtk_widget, GDK_ALL_EVENTS_MASK);
712 gtk_widget_set_app_paintable(gtk_widget, TRUE);
713 if (frame_type != TITLED) {
714 gtk_window_set_decorated(GTK_WINDOW(gtk_widget), FALSE);
715 }
716
717 glass_gtk_configure_transparency_and_realize(gtk_widget, frame_type == TRANSPARENT);
718 gtk_window_set_title(GTK_WINDOW(gtk_widget), "");
719
720 gdk_window = gtk_widget_get_window(gtk_widget);
721
722 g_object_set_data_full(G_OBJECT(gdk_window), GDK_WINDOW_DATA_CONTEXT, this, NULL);
723
724 gdk_window_register_dnd(gdk_window);
725
726 gdk_windowManagerFunctions = wmf;
727 if (wmf) {
728 gdk_window_set_functions(gdk_window, wmf);
729 }
730
731 if (frame_type == TITLED) {
732 request_frame_extents();
733 }
734 }
735
736 // Applied to a temporary full screen window to prevent sending events to Java
737 void WindowContextTop::detach_from_java() {
738 if (jview) {
739 mainEnv->DeleteGlobalRef(jview);
740 jview = NULL;
741 }
742 if (jwindow) {
743 mainEnv->DeleteGlobalRef(jwindow);
744 jwindow = NULL;
745 }
746 }
747
748 static GdkAtom
749 get_net_frame_extents_atom() {
750 static const char * extents_str = "_NET_FRAME_EXTENTS";
751 return gdk_atom_intern(extents_str, TRUE);
752 }
753
754 void
755 WindowContextTop::request_frame_extents() {
756 Display *display = GDK_DISPLAY_XDISPLAY(gdk_window_get_display(gdk_window));
757 Atom rfeAtom = XInternAtom(display, "_NET_REQUEST_FRAME_EXTENTS", True);
758 if (rfeAtom != None) {
759 XClientMessageEvent clientMessage;
760 memset(&clientMessage, 0, sizeof(clientMessage));
761
762 clientMessage.type = ClientMessage;
763 clientMessage.window = GDK_WINDOW_XID(gdk_window);
764 clientMessage.message_type = rfeAtom;
765 clientMessage.format = 32;
766
767 XSendEvent(display, XDefaultRootWindow(display), False,
768 SubstructureRedirectMask | SubstructureNotifyMask,
769 (XEvent *) &clientMessage);
770 XFlush(display);
771 }
772 }
773
774 void WindowContextTop::activate_window() {
775 Display *display = GDK_DISPLAY_XDISPLAY (gdk_window_get_display (gdk_window));
776 Atom navAtom = XInternAtom(display, "_NET_ACTIVE_WINDOW", True);
777 if (navAtom != None) {
778 XClientMessageEvent clientMessage;
779 memset(&clientMessage, 0, sizeof(clientMessage));
780
781 clientMessage.type = ClientMessage;
782 clientMessage.window = GDK_WINDOW_XID(gdk_window);
783 clientMessage.message_type = navAtom;
784 clientMessage.format = 32;
785 clientMessage.data.l[0] = 1;
786 clientMessage.data.l[1] = gdk_x11_get_server_time(gdk_window);
787 clientMessage.data.l[2] = 0;
788
789 XSendEvent(display, XDefaultRootWindow(display), False,
790 SubstructureRedirectMask | SubstructureNotifyMask,
791 (XEvent *) &clientMessage);
792 XFlush(display);
793 }
794 }
795
796 void
797 WindowContextTop::initialize_frame_extents() {
798 int top, left, bottom, right;
799 if (get_frame_extents_property(&top, &left, &bottom, &right)) {
800 geometry.extents.top = top;
801 geometry.extents.left = left;
802 geometry.extents.bottom = bottom;
803 geometry.extents.right = right;
804 }
805 }
806
807 bool
808 WindowContextTop::get_frame_extents_property(int *top, int *left,
809 int *bottom, int *right) {
810 unsigned long *extents;
811
812 if (gdk_property_get(gdk_window,
813 get_net_frame_extents_atom(),
814 gdk_atom_intern("CARDINAL", FALSE),
815 0,
816 sizeof (unsigned long) * 4,
817 FALSE,
818 NULL,
819 NULL,
820 NULL,
821 (guchar**) & extents)) {
822 *left = extents [0];
823 *right = extents [1];
824 *top = extents [2];
825 *bottom = extents [3];
826
827 g_free(extents);
828 return true;
829 }
830
831 return false;
832 }
833
834 static int geometry_get_window_width(const WindowGeometry *windowGeometry) {
835 return (windowGeometry->final_width.type != BOUNDSTYPE_WINDOW)
836 ? windowGeometry->final_width.value
837 + windowGeometry->extents.left
838 + windowGeometry->extents.right
839 : windowGeometry->final_width.value;
840 }
841
842 static int geometry_get_window_height(const WindowGeometry *windowGeometry) {
843 return (windowGeometry->final_height.type != BOUNDSTYPE_WINDOW)
844 ? windowGeometry->final_height.value
845 + windowGeometry->extents.top
846 + windowGeometry->extents.bottom
847 : windowGeometry->final_height.value;
848 }
849
850 static int geometry_get_content_width(WindowGeometry *windowGeometry) {
851 return (windowGeometry->final_width.type != BOUNDSTYPE_CONTENT)
852 ? windowGeometry->final_width.value
853 - windowGeometry->extents.left
854 - windowGeometry->extents.right
855 : windowGeometry->final_width.value;
856 }
857 static int geometry_get_content_height(WindowGeometry *windowGeometry) {
858 return (windowGeometry->final_height.type != BOUNDSTYPE_CONTENT)
859 ? windowGeometry->final_height.value
860 - windowGeometry->extents.top
861 - windowGeometry->extents.bottom
862 : windowGeometry->final_height.value;
863 }
864
865 static int geometry_get_window_x(const WindowGeometry *windowGeometry) {
866 float value = windowGeometry->refx;
867 if (windowGeometry->gravity_x != 0) {
868 value -= geometry_get_window_width(windowGeometry)
869 * windowGeometry->gravity_x;
870 }
871 return (int) value;
872 }
873
874 static int geometry_get_window_y(const WindowGeometry *windowGeometry) {
875 float value = windowGeometry->refy;
876 if (windowGeometry->gravity_y != 0) {
877 value -= geometry_get_window_height(windowGeometry)
878 * windowGeometry->gravity_y;
879 }
880 return (int) value;
881 }
882
883 static void geometry_set_window_x(WindowGeometry *windowGeometry, int value) {
884 float newValue = value;
885 if (windowGeometry->gravity_x != 0) {
886 newValue += geometry_get_window_width(windowGeometry)
887 * windowGeometry->gravity_x;
888 }
889 windowGeometry->refx = newValue;
890 }
891
892 static void geometry_set_window_y(WindowGeometry *windowGeometry, int value) {
893 float newValue = value;
894 if (windowGeometry->gravity_y != 0) {
895 newValue += geometry_get_window_height(windowGeometry)
896 * windowGeometry->gravity_y;
897 }
898 windowGeometry->refy = newValue;
899 }
900
901 void WindowContextTop::process_net_wm_property() {
902 // Workaround for https://bugs.launchpad.net/unity/+bug/998073
903
904 static GdkAtom atom_atom = gdk_atom_intern_static_string("ATOM");
905 static GdkAtom atom_net_wm_state = gdk_atom_intern_static_string("_NET_WM_STATE");
906 static GdkAtom atom_net_wm_state_hidden = gdk_atom_intern_static_string("_NET_WM_STATE_HIDDEN");
907 static GdkAtom atom_net_wm_state_above = gdk_atom_intern_static_string("_NET_WM_STATE_ABOVE");
908
909 gint length;
910
911 glong* atoms = NULL;
912
913 if (gdk_property_get(gdk_window, atom_net_wm_state, atom_atom,
914 0, G_MAXLONG, FALSE, NULL, NULL, &length, (guchar**) &atoms)) {
915
916 bool is_hidden = false;
917 bool is_above = false;
918 for (gint i = 0; i < (gint)(length / sizeof(glong)); i++) {
919 if (atom_net_wm_state_hidden == (GdkAtom)atoms[i]) {
920 is_hidden = true;
921 } else if (atom_net_wm_state_above == (GdkAtom)atoms[i]) {
922 is_above = true;
923 }
924 }
925
926 g_free(atoms);
927
928 if (is_iconified != is_hidden) {
929 is_iconified = is_hidden;
930
931 notify_state((is_hidden)
932 ? com_sun_glass_events_WindowEvent_MINIMIZE
933 : com_sun_glass_events_WindowEvent_RESTORE);
934 }
935
936 notify_on_top(is_above);
937 }
938 }
939
940 void WindowContextTop::process_property_notify(GdkEventProperty* event) {
941 static GdkAtom atom_net_wm_state = gdk_atom_intern_static_string("_NET_WM_STATE");
942
943 if (event->atom == atom_net_wm_state && event->window == gdk_window) {
944 process_net_wm_property();
945 }
946 }
947
948 void WindowContextTop::process_configure(GdkEventConfigure* event) {
949 gint x, y;
950 bool updateWindowConstraints = false;
951 if (gtk_window_get_decorated(GTK_WINDOW(gtk_widget))) {
952 GdkRectangle frame;
953 gint top, left, bottom, right;
954
955 gdk_window_get_frame_extents(gdk_window, &frame);
956 gint contentX, contentY, contentW, contentH;
957 gdk_window_get_origin(gdk_window, &contentX, &contentY);
958 #ifdef GLASS_GTK3
959 gdk_window_get_geometry(gdk_window, NULL, NULL, &contentW, &contentH);
960 #else
961 gdk_window_get_geometry(gdk_window, NULL, NULL, &contentW, &contentH, NULL);
962 #endif
963 x = frame.x;
964 y = frame.y;
965 geometry.current_width = frame.width;
966 geometry.current_height = frame.height;
967
968 top = contentY - frame.y;
969 left = contentX - frame.x;
970 bottom = frame.y + frame.height - (contentY + contentH);
971 right = frame.x + frame.width - (contentX + contentW);
972 if (geometry.extents.top != top
973 || geometry.extents.left != left
974 || geometry.extents.bottom != bottom
975 || geometry.extents.right != right) {
976 updateWindowConstraints = true;
977 geometry.extents.top = top;
978 geometry.extents.left = left;
979 geometry.extents.bottom = bottom;
980 geometry.extents.right = right;
981 }
982 } else {
983 x = event->x;
984 y = event->y;
985 geometry.current_width = event->width;
986 geometry.current_height = event->height;
987 }
988
989 if (geometry_get_content_width(&geometry) != event->width
990 || geometry_get_content_height(&geometry) != event->height) {
991 geometry.final_width.value = event->width;
992 geometry.final_width.type = BOUNDSTYPE_CONTENT;
993 geometry.final_height.value = event->height;
994 geometry.final_height.type = BOUNDSTYPE_CONTENT;
995 }
996 geometry_set_window_x(&geometry, x);
997 geometry_set_window_y(&geometry, y);
998
999 if (jview) {
1000 mainEnv->CallVoidMethod(jview, jViewNotifyResize,
1001 event->width,
1002 event->height);
1003 CHECK_JNI_EXCEPTION(mainEnv)
1004 }
1005 if (jwindow) {
1006 mainEnv->CallVoidMethod(jwindow, jWindowNotifyResize,
1007 (is_maximized)
1008 ? com_sun_glass_events_WindowEvent_MAXIMIZE
1009 : com_sun_glass_events_WindowEvent_RESIZE,
1010 geometry.current_width,
1011 geometry.current_height);
1012 CHECK_JNI_EXCEPTION(mainEnv)
1013
1014 mainEnv->CallVoidMethod(jwindow, jWindowNotifyMove, x, y);
1015 CHECK_JNI_EXCEPTION(mainEnv)
1016 }
1017
1018 glong to_screen = getScreenPtrForLocation(x, y);
1019 if (to_screen != -1) {
1020 if (to_screen != screen) {
1021 if (jwindow) {
1022 //notify screen changed
1023 jobject jScreen = createJavaScreen(mainEnv, to_screen);
1024 mainEnv->CallVoidMethod(jwindow, jWindowNotifyMoveToAnotherScreen, jScreen);
1025 CHECK_JNI_EXCEPTION(mainEnv)
1026 }
1027 screen = to_screen;
1028 }
1029 }
1030
1031 if (resizable.request != REQUEST_NONE) {
1032 set_window_resizable(resizable.request == REQUEST_RESIZABLE);
1033 resizable.request = REQUEST_NONE;
1034 } else if (updateWindowConstraints) {
1035 update_window_constraints();
1036 }
1037 }
1038
1039 void WindowContextTop::update_window_constraints() {
1040 if (resizable.value) {
1041 GdkGeometry geom = {
1042 (resizable.minw == -1) ? 1
1043 : resizable.minw - geometry.extents.left - geometry.extents.right,
1044 (resizable.minh == -1) ? 1
1045 : resizable.minh - geometry.extents.top - geometry.extents.bottom,
1046 (resizable.maxw == -1) ? 100000
1047 : resizable.maxw - geometry.extents.left - geometry.extents.right,
1048 (resizable.maxh == -1) ? 100000
1049 : resizable.maxh - geometry.extents.top - geometry.extents.bottom,
1050 0, 0, 0, 0, 0.0, 0.0, GDK_GRAVITY_NORTH_WEST
1051 };
1052 gtk_window_set_geometry_hints(GTK_WINDOW(gtk_widget), NULL, &geom,
1053 static_cast<GdkWindowHints> (GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE));
1054 }
1055 }
1056
1057 void WindowContextTop::set_window_resizable(bool res) {
1058 if(!res) {
1059 int w = geometry_get_content_width(&geometry);
1060 int h = geometry_get_content_height(&geometry);
1061 if (w == -1 && h == -1) {
1062 gtk_window_get_size(GTK_WINDOW(gtk_widget), &w, &h);
1063 }
1064 GdkGeometry geom = {w, h, w, h, 0, 0, 0, 0, 0.0, 0.0, GDK_GRAVITY_NORTH_WEST};
1065 gtk_window_set_geometry_hints(GTK_WINDOW(gtk_widget), NULL, &geom,
1066 static_cast<GdkWindowHints>(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE));
1067 resizable.value = false;
1068 } else {
1069 resizable.value = true;
1070 update_window_constraints();
1071 }
1072 }
1073
1074 void WindowContextTop::set_resizable(bool res) {
1075 resizable.prev = false;
1076 gint w, h;
1077 gtk_window_get_size(GTK_WINDOW(gtk_widget), &w, &h);
1078 if (map_received || w > 1 || h > 1) {
1079 set_window_resizable(res);
1080 } else {
1081 //Since window is not ready yet set only request for change of resizable.
1082 resizable.request = res ? REQUEST_RESIZABLE : REQUEST_NOT_RESIZABLE;
1083 }
1084 }
1085
1086 void WindowContextTop::set_visible(bool visible)
1087 {
1088 if (visible) {
1089 if (!size_assigned) {
1090 set_bounds(0, 0, false, false, 320, 200, -1, -1);
1091 }
1092 if (!location_assigned) {
1093 set_bounds(0, 0, true, true, -1, -1, -1, -1);
1094 }
1095 }
1096 WindowContextBase::set_visible(visible);
1097 }
1098
1099 void WindowContextTop::set_bounds(int x, int y, bool xSet, bool ySet, int w, int h, int cw, int ch) {
1100 if (!frame_extents_initialized && frame_type == TITLED) {
1101 initialize_frame_extents();
1102 frame_extents_initialized = true;
1103 }
1104
1105 XWindowChanges windowChanges;
1106 unsigned int windowChangesMask = 0;
1107 if (w > 0) {
1108 geometry.final_width.value = w;
1109 geometry.final_width.type = BOUNDSTYPE_WINDOW;
1110 geometry.current_width = geometry_get_window_width(&geometry);
1111 windowChanges.width = geometry_get_content_width(&geometry);
1112 windowChangesMask |= CWWidth;
1113 } else if (cw > 0) {
1114 geometry.final_width.value = cw;
1115 geometry.final_width.type = BOUNDSTYPE_CONTENT;
1116 geometry.current_width = geometry_get_window_width(&geometry);
1117 windowChanges.width = geometry_get_content_width(&geometry);
1118 windowChangesMask |= CWWidth;
1119 }
1120
1121 if (h > 0) {
1122 geometry.final_height.value = h;
1123 geometry.final_height.type = BOUNDSTYPE_WINDOW;
1124 geometry.current_height = geometry_get_window_height(&geometry);
1125 windowChanges.height = geometry_get_content_height(&geometry);
1126 windowChangesMask |= CWHeight;
1127 } else if (ch > 0) {
1128 geometry.final_height.value = ch;
1129 geometry.final_height.type = BOUNDSTYPE_CONTENT;
1130 geometry.current_height = geometry_get_window_height(&geometry);
1131 windowChanges.height = geometry_get_content_height(&geometry);
1132 windowChangesMask |= CWHeight;
1133 }
1134
1135 if (xSet || ySet) {
1136 if (xSet) {
1137 geometry.refx = x + geometry.current_width * geometry.gravity_x;
1138 }
1139
1140 windowChanges.x = geometry_get_window_x(&geometry);
1141 windowChangesMask |= CWX;
1142
1143 if (ySet) {
1144 geometry.refy = y + geometry.current_height * geometry.gravity_y;
1145 }
1146
1147 windowChanges.y = geometry_get_window_y(&geometry);
1148 windowChangesMask |= CWY;
1149
1150 location_assigned = true;
1151 }
1152
1153 if (w > 0 || h > 0 || cw > 0 || ch > 0) size_assigned = true;
1154
1155 window_configure(&windowChanges, windowChangesMask);
1156
1157 }
1158
1159 void WindowContextTop::process_map() {
1160 map_received = true;
1161 }
1162
1163 void WindowContextTop::window_configure(XWindowChanges *windowChanges,
1164 unsigned int windowChangesMask) {
1165 if (windowChangesMask == 0) {
1166 return;
1167 }
1168
1169 if (windowChangesMask & (CWX | CWY)) {
1170 gint newX, newY;
1171 gtk_window_get_position(GTK_WINDOW(gtk_widget), &newX, &newY);
1172
1173 if (windowChangesMask & CWX) {
1174 newX = windowChanges->x;
1175 }
1176 if (windowChangesMask & CWY) {
1177 newY = windowChanges->y;
1178 }
1179
1180 gtk_window_move(GTK_WINDOW(gtk_widget), newX, newY);
1181 }
1182
1183 if (windowChangesMask & (CWWidth | CWHeight)) {
1184 gint newWidth, newHeight;
1185 gtk_window_get_size(GTK_WINDOW(gtk_widget), &newWidth, &newHeight);
1186
1187 if (windowChangesMask & CWWidth) {
1188 newWidth = windowChanges->width;
1189 }
1190 if (windowChangesMask & CWHeight) {
1191 newHeight = windowChanges->height;
1192 }
1193
1194 if (!resizable.value) {
1195 GdkGeometry geom;
1196 GdkWindowHints hints = (GdkWindowHints)(GDK_HINT_MIN_SIZE | GDK_HINT_MAX_SIZE);
1197 geom.min_width = geom.max_width = newWidth;
1198 geom.min_height = geom.max_height = newHeight;
1199 gtk_window_set_geometry_hints(GTK_WINDOW(gtk_widget), NULL, &geom, hints);
1200 }
1201 gtk_window_resize(GTK_WINDOW(gtk_widget), newWidth, newHeight);
1202 }
1203 }
1204
1205 void WindowContextTop::applyShapeMask(void* data, uint width, uint height)
1206 {
1207 if (frame_type != TRANSPARENT) {
1208 return;
1209 }
1210
1211 glass_window_apply_shape_mask(gtk_widget_get_window(gtk_widget), data, width, height);
1212 }
1213
1214 void WindowContextTop::set_minimized(bool minimize) {
1215 is_iconified = minimize;
1216 if (minimize) {
1217 if (frame_type == TRANSPARENT) {
1218 // https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1245571
1219 glass_window_reset_input_shape_mask(gtk_widget_get_window(gtk_widget));
1220 }
1221
1222 if ((gdk_windowManagerFunctions & GDK_FUNC_MINIMIZE) == 0) {
1223 // in this case - the window manager will not support the programatic
1224 // request to iconify - so we need to disable this until we are restored.
1225 GdkWMFunction wmf = (GdkWMFunction)(gdk_windowManagerFunctions | GDK_FUNC_MINIMIZE);
1226 gdk_window_set_functions(gdk_window, wmf);
1227 }
1228 gtk_window_iconify(GTK_WINDOW(gtk_widget));
1229 } else {
1230 gtk_window_deiconify(GTK_WINDOW(gtk_widget));
1231 activate_window();
1232 }
1233 }
1234 void WindowContextTop::set_maximized(bool maximize) {
1235 is_maximized = maximize;
1236 if (maximize) {
1237 gtk_window_maximize(GTK_WINDOW(gtk_widget));
1238 } else {
1239 gtk_window_unmaximize(GTK_WINDOW(gtk_widget));
1240 }
1241 }
1242
1243 void WindowContextTop::enter_fullscreen() {
1244 gtk_window_fullscreen(GTK_WINDOW(gtk_widget));
1245 }
1246
1247 void WindowContextTop::exit_fullscreen() {
1248 gtk_window_unfullscreen(GTK_WINDOW(gtk_widget));
1249 }
1250
1251 void WindowContextTop::request_focus() {
1252 gtk_window_present(GTK_WINDOW(gtk_widget));
1253 }
1254
1255 void WindowContextTop::set_focusable(bool focusable) {
1256 gtk_window_set_accept_focus(GTK_WINDOW(gtk_widget), focusable ? TRUE : FALSE);
1257 }
1258
1259 void WindowContextTop::set_title(const char* title) {
1260 gtk_window_set_title(GTK_WINDOW(gtk_widget),title);
1261 }
1262
1263 void WindowContextTop::set_alpha(double alpha) {
1264 gtk_window_set_opacity(GTK_WINDOW(gtk_widget), (gdouble)alpha);
1265 }
1266
1267 void WindowContextTop::set_enabled(bool enabled) {
1268 if (enabled) {
1269 if (resizable.prev) {
1270 set_window_resizable(true);
1271 }
1272 } else {
1273 if (resizable.value) {
1274 set_window_resizable(false);
1275 resizable.prev = true;
1276 } else if (resizable.request == REQUEST_RESIZABLE) {
1277 resizable.request = REQUEST_NOT_RESIZABLE;
1278 resizable.prev = true;
1279 }
1280 }
1281 }
1282
1283 void WindowContextTop::set_minimum_size(int w, int h) {
1284 resizable.minw = w;
1285 resizable.minh = h;
1286 update_window_constraints();
1287 }
1288
1289 void WindowContextTop::set_maximum_size(int w, int h) {
1290 resizable.maxw = w;
1291 resizable.maxh = h;
1292 update_window_constraints();
1293 }
1294
1295 void WindowContextTop::set_icon(GdkPixbuf* pixbuf) {
1296 gtk_window_set_icon(GTK_WINDOW(gtk_widget), pixbuf);
1297 }
1298
1299 void WindowContextTop::restack(bool restack) {
1300 gdk_window_restack(gdk_window, NULL, restack ? TRUE : FALSE);
1301 }
1302
1303 void WindowContextTop::set_modal(bool modal, WindowContext* parent) {
1304 if (modal) {
1305 //gtk_window_set_type_hint(GTK_WINDOW(gtk_widget), GDK_WINDOW_TYPE_HINT_DIALOG);
1306 if (parent) {
1307 gtk_window_set_transient_for(GTK_WINDOW(gtk_widget), parent->get_gtk_window());
1308 }
1309 }
1310 gtk_window_set_modal(GTK_WINDOW(gtk_widget), modal ? TRUE : FALSE);
1311 }
1312
1313 GtkWindow *WindowContextTop::get_gtk_window() {
1314 return GTK_WINDOW(gtk_widget);
1315 }
1316
1317 WindowFrameExtents WindowContextTop::get_frame_extents() {
1318 return geometry.extents;
1319 }
1320
1321 void WindowContextTop::set_gravity(float x, float y) {
1322 int oldX = geometry_get_window_x(&geometry);
1323 int oldY = geometry_get_window_y(&geometry);
1324 geometry.gravity_x = x;
1325 geometry.gravity_y = y;
1326 geometry_set_window_x(&geometry, oldX);
1327 geometry_set_window_y(&geometry, oldY);
1328 }
1329
1330 void WindowContextTop::update_ontop_tree(bool on_top) {
1331 bool effective_on_top = on_top || this->on_top;
1332 gtk_window_set_keep_above(GTK_WINDOW(gtk_widget), effective_on_top ? TRUE : FALSE);
1333 for (std::set<WindowContextTop*>::iterator it = children.begin(); it != children.end(); ++it) {
1334 (*it)->update_ontop_tree(effective_on_top);
1335 }
1336 }
1337
1338 bool WindowContextTop::on_top_inherited() {
1339 WindowContext* o = owner;
1340 while (o) {
1341 WindowContextTop* topO = dynamic_cast<WindowContextTop*>(o);
1342 if (!topO) break;
1343 if (topO->on_top) {
1344 return true;
1345 }
1346 o = topO->owner;
1347 }
1348 return false;
1349 }
1350
1351 bool WindowContextTop::effective_on_top() {
1352 if (owner) {
1353 WindowContextTop* topO = dynamic_cast<WindowContextTop*>(owner);
1354 return (topO && topO->effective_on_top()) || on_top;
1355 }
1356 return on_top;
1357 }
1358
1359 void WindowContextTop::notify_on_top(bool top) {
1360 // Do not report effective (i.e. native) values to the FX, only if the user sets it manually
1361 if (top != effective_on_top() && jwindow) {
1362 if (on_top_inherited() && !top) {
1363 // Disallow user's "on top" handling on windows that inherited the property
1364 gtk_window_set_keep_above(GTK_WINDOW(gtk_widget), TRUE);
1365 } else {
1366 on_top = top;
1367 update_ontop_tree(top);
1368 mainEnv->CallVoidMethod(jwindow,
1369 jWindowNotifyLevelChanged,
1370 top ? com_sun_glass_ui_Window_Level_FLOATING : com_sun_glass_ui_Window_Level_NORMAL);
1371 CHECK_JNI_EXCEPTION(mainEnv);
1372 }
1373 }
1374 }
1375
1376 void WindowContextTop::set_level(int level) {
1377 if (level == com_sun_glass_ui_Window_Level_NORMAL) {
1378 on_top = false;
1379 } else if (level == com_sun_glass_ui_Window_Level_FLOATING
1380 || level == com_sun_glass_ui_Window_Level_TOPMOST) {
1381 on_top = true;
1382 }
1383 // We need to emulate always on top behaviour on child windows
1384
1385 if (!on_top_inherited()) {
1386 update_ontop_tree(on_top);
1387 }
1388 }
1389
1390 void WindowContextTop::set_owner(WindowContext * owner_ctx) {
1391 owner = owner_ctx;
1392 }
1393
1394 void WindowContextTop::process_destroy() {
1395 if (owner) {
1396 owner->remove_child(this);
1397 }
1398
1399 WindowContextBase::process_destroy();
1400 }
1401
1402 ////////////////////////////// WindowContextPlug ////////////////////////////////
1403
1404 static gboolean plug_configure(GtkWidget *widget, GdkEvent *event, gpointer user_data) {
1405 (void)widget;
1406
1407 if (event->type == GDK_CONFIGURE) {
1408 ((WindowContextPlug*)user_data)->process_gtk_configure(&event->configure);
1409 }
1410 return FALSE;
1411 }
1412
1413 WindowContextPlug::WindowContextPlug(jobject _jwindow, void* _owner) :
1414 WindowContextBase(),
1415 parent()
1416 {
1417 jwindow = mainEnv->NewGlobalRef(_jwindow);
1418
1419 gtk_widget = gtk_plug_new((Window)PTR_TO_JLONG(_owner));
1420
1421 g_signal_connect(G_OBJECT(gtk_widget), "configure-event", G_CALLBACK(plug_configure), this);
1422
1423 gtk_widget_set_size_request(gtk_widget, 0, 0);
1424 gtk_widget_set_events(gtk_widget, GDK_ALL_EVENTS_MASK);
1425 gtk_widget_set_can_focus(GTK_WIDGET(gtk_widget), TRUE);
1426 gtk_widget_set_app_paintable(gtk_widget, TRUE);
1427
1428 gtk_widget_realize(gtk_widget);
1429 gdk_window = gtk_widget_get_window(gtk_widget);
1430
1431 g_object_set_data_full(G_OBJECT(gdk_window), GDK_WINDOW_DATA_CONTEXT, this, NULL);
1432 gdk_window_register_dnd(gdk_window);
1433
1434 gtk_container = gtk_fixed_new();
1435 gtk_container_add (GTK_CONTAINER(gtk_widget), gtk_container);
1436 gtk_widget_realize(gtk_container);
1437 }
1438
1439 GtkWindow *WindowContextPlug::get_gtk_window() {
1440 return GTK_WINDOW(gtk_widget);
1441 }
1442
1443 void WindowContextPlug::process_configure(GdkEventConfigure* event) {
1444 (void)event;
1445
1446 //Note: process_gtk_configure is used, so there's no need to handle GDK events
1447 }
1448
1449 void WindowContextPlug::process_gtk_configure(GdkEventConfigure* event) {
1450 if (jview) {
1451 mainEnv->CallVoidMethod(jview, jViewNotifyResize,
1452 event->width,
1453 event->height);
1454 CHECK_JNI_EXCEPTION(mainEnv)
1455 }
1456
1457 mainEnv->CallVoidMethod(jwindow, jWindowNotifyResize,
1458 com_sun_glass_events_WindowEvent_RESIZE,
1459 event->width,
1460 event->height);
1461 CHECK_JNI_EXCEPTION(mainEnv)
1462
1463 if (!embedded_children.empty()) {
1464 WindowContextChild* child = embedded_children.back();
1465 child->process_configure(event);
1466 }
1467 }
1468
1469 bool WindowContextPlug::set_view(jobject view) {
1470 // probably never called for applet window
1471 if (jview) {
1472 mainEnv->DeleteGlobalRef(jview);
1473 }
1474
1475 if (view) {
1476 gint width, height;
1477 jview = mainEnv->NewGlobalRef(view);
1478 gtk_window_get_size(GTK_WINDOW(gtk_widget), &width, &height);
1479 mainEnv->CallVoidMethod(view, jViewNotifyResize, width, height);
1480 CHECK_JNI_EXCEPTION_RET(mainEnv, FALSE)
1481 } else {
1482 jview = NULL;
1483 }
1484 return TRUE;
1485 }
1486
1487 void WindowContextPlug::window_configure(XWindowChanges *windowChanges,
1488 unsigned int windowChangesMask) {
1489 if (windowChangesMask == 0) {
1490 return;
1491 }
1492
1493 if (windowChangesMask & (CWX | CWY)) {
1494 gint newX, newY;
1495 gtk_window_get_position(GTK_WINDOW(gtk_widget), &newX, &newY);
1496
1497 if (windowChangesMask & CWX) {
1498 newX = windowChanges->x;
1499 }
1500 if (windowChangesMask & CWY) {
1501 newY = windowChanges->y;
1502 }
1503 gtk_window_move(GTK_WINDOW(gtk_widget), newX, newY);
1504 }
1505
1506 if (windowChangesMask & (CWWidth | CWHeight)) {
1507 gint newWidth, newHeight;
1508 gtk_window_get_size(GTK_WINDOW(gtk_widget),
1509 &newWidth, &newHeight);
1510
1511 if (windowChangesMask & CWWidth) {
1512 newWidth = windowChanges->width;
1513 }
1514 if (windowChangesMask & CWHeight) {
1515 newHeight = windowChanges->height;
1516 };
1517 gtk_widget_set_size_request(gtk_widget, newWidth, newHeight);
1518 }
1519 }
1520
1521 void WindowContextPlug::set_bounds(int x, int y, bool xSet, bool ySet, int w, int h, int cw, int ch) {
1522 XWindowChanges windowChanges;
1523 unsigned int windowChangesMask = 0;
1524
1525 if (xSet) {
1526 windowChanges.x = x;
1527 windowChangesMask |= CWX;
1528 }
1529
1530 if (ySet) {
1531 windowChanges.y = y;
1532 windowChangesMask |= CWY;
1533 }
1534
1535 if (w > 0) {
1536 windowChanges.width = w;
1537 windowChangesMask |= CWWidth;
1538 } else if (cw > 0) {
1539 windowChanges.width = cw;
1540 windowChangesMask |= CWWidth;
1541 }
1542
1543 if (h > 0) {
1544 windowChanges.height = h;
1545 windowChangesMask |= CWHeight;
1546 } else if (ch > 0) {
1547 windowChanges.height = ch;
1548 windowChangesMask |= CWHeight;
1549 }
1550
1551 window_configure(&windowChanges, windowChangesMask);
1552 }
1553 ////////////////////////////// WindowContextChild ////////////////////////////////
1554
1555 void WindowContextChild::process_mouse_button(GdkEventButton* event) {
1556 WindowContextBase::process_mouse_button(event);
1557 // gtk_window_set_focus (GTK_WINDOW (gtk_widget_get_ancestor(gtk_widget, GTK_TYPE_WINDOW)), NULL);
1558 gtk_widget_grab_focus(gtk_widget);
1559 }
1560
1561 static gboolean child_focus_callback(GtkWidget *widget, GdkEvent *event, gpointer user_data)
1562 {
1563 (void)widget;
1564
1565 WindowContext *ctx = (WindowContext *)user_data;
1566 ctx->process_focus(&event->focus_change);
1567 return TRUE;
1568 }
1569
1570 WindowContextChild::WindowContextChild(jobject _jwindow,
1571 void* _owner,
1572 GtkWidget *parent_widget,
1573 WindowContextPlug *parent_ctx) :
1574 WindowContextBase(),
1575 parent(),
1576 full_screen_window(),
1577 view()
1578 {
1579 (void)_owner;
1580
1581 jwindow = mainEnv->NewGlobalRef(_jwindow);
1582 gtk_widget = gtk_drawing_area_new();
1583 parent = parent_ctx;
1584
1585 glong xvisualID = (glong) mainEnv->GetStaticLongField(jApplicationCls, jApplicationVisualID);
1586
1587 if (xvisualID != 0) {
1588 GdkVisual *visual = gdk_x11_screen_lookup_visual(gdk_screen_get_default(), xvisualID);
1589 glass_gtk_window_configure_from_visual(gtk_widget, visual);
1590 }
1591
1592 gtk_widget_set_events(gtk_widget, GDK_ALL_EVENTS_MASK);
1593 gtk_widget_set_can_focus(GTK_WIDGET(gtk_widget), TRUE);
1594 gtk_widget_set_app_paintable(gtk_widget, TRUE);
1595 gtk_container_add (GTK_CONTAINER(parent_widget), gtk_widget);
1596 gtk_widget_realize(gtk_widget);
1597 gdk_window = gtk_widget_get_window(gtk_widget);
1598 g_object_set_data_full(G_OBJECT(gdk_window), GDK_WINDOW_DATA_CONTEXT, this, NULL);
1599 gdk_window_register_dnd(gdk_window);
1600 g_signal_connect(gtk_widget, "focus-in-event", G_CALLBACK(child_focus_callback), this);
1601 g_signal_connect(gtk_widget, "focus-out-event", G_CALLBACK(child_focus_callback), this);
1602 }
1603
1604 void WindowContextChild::set_visible(bool visible) {
1605 std::vector<WindowContextChild*> &embedded_children =
1606 dynamic_cast<WindowContextPlug*>(parent)->embedded_children;
1607
1608 if (visible) {
1609 embedded_children.push_back(this);
1610 } else {
1611 std::vector<WindowContextChild*>::iterator pos
1612 = std::find(embedded_children.begin(), embedded_children.end(), this);
1613 if (pos != embedded_children.end()) {
1614 embedded_children.erase((pos));
1615 }
1616 }
1617
1618 WindowContextBase::set_visible(visible);
1619 }
1620
1621 GtkWindow *WindowContextChild::get_gtk_window() {
1622 return GTK_WINDOW(gtk_widget_get_ancestor(gtk_widget, GTK_TYPE_WINDOW));
1623 }
1624
1625 void WindowContextChild::process_configure(GdkEventConfigure* event) {
1626 if (jview) {
1627 mainEnv->CallVoidMethod(jview, jViewNotifyResize,
1628 event->width,
1629 event->height);
1630 CHECK_JNI_EXCEPTION(mainEnv)
1631 }
1632
1633 gtk_widget_set_size_request(gtk_widget, event->width, event->height);
1634
1635 if (jwindow) {
1636 mainEnv->CallVoidMethod(jwindow, jWindowNotifyResize,
1637 com_sun_glass_events_WindowEvent_RESIZE,
1638 event->width,
1639 event->height);
1640 CHECK_JNI_EXCEPTION(mainEnv)
1641 }
1642 }
1643
1644 bool WindowContextChild::set_view(jobject view) {
1645 if (jview) {
1646 mainEnv->DeleteGlobalRef(jview);
1647 }
1648
1649 if (view) {
1650 gint width, height;
1651 jview = mainEnv->NewGlobalRef(view);
1652 GtkAllocation ws;
1653 gtk_widget_get_allocation(gtk_widget, &ws);
1654 width = ws.width;
1655 height = ws.height;
1656 mainEnv->CallVoidMethod(view, jViewNotifyResize, width, height);
1657 CHECK_JNI_EXCEPTION_RET(mainEnv, FALSE)
1658 } else {
1659 jview = NULL;
1660 }
1661 return TRUE;
1662 }
1663
1664 void WindowContextChild::set_bounds(int x, int y, bool xSet, bool ySet, int w, int h, int cw, int ch) {
1665
1666 if (x > 0 || y > 0 || xSet || ySet) {
1667 gint newX, newY;
1668 gdk_window_get_origin(gdk_window, &newX, &newY);
1669 if (jwindow) {
1670 mainEnv->CallVoidMethod(jwindow,
1671 jWindowNotifyMove,
1672 newX, newY);
1673 CHECK_JNI_EXCEPTION(mainEnv)
1674 }
1675 }
1676
1677 // As we have no frames, there's no difference between the calls
1678 if ((cw | ch) > 0) {
1679 w = cw; h = ch;
1680 }
1681
1682 if (w > 0 || h > 0) {
1683 gint newWidth, newHeight;
1684 GtkAllocation ws;
1685 gtk_widget_get_allocation(gtk_widget, &ws);
1686 newWidth = ws.width;
1687 newHeight = ws.height;
1688
1689 if (w > 0) {
1690 newWidth = w;
1691 }
1692 if (h > 0) {
1693 newHeight = h;
1694 }
1695 gtk_widget_set_size_request(gtk_widget, newWidth, newHeight);
1696 // FIXME: hack to set correct size to view
1697 if (jview) {
1698 mainEnv->CallVoidMethod(jview,
1699 jViewNotifyResize,
1700 newWidth, newHeight);
1701 CHECK_JNI_EXCEPTION(mainEnv)
1702 }
1703 }
1704 }
1705
1706 int WindowContextChild::getEmbeddedX() {
1707 int x;
1708 gdk_window_get_origin(gdk_window, &x, NULL);
1709 return x;
1710 }
1711
1712 int WindowContextChild::getEmbeddedY() {
1713 int y;
1714 gdk_window_get_origin(gdk_window, NULL, &y);
1715 return y;
1716
1717 }
1718
1719 void WindowContextChild::restack(bool toFront) {
1720 std::vector<WindowContextChild*> &embedded_children =
1721 dynamic_cast<WindowContextPlug*>(parent)->embedded_children;
1722
1723 std::vector<WindowContextChild*>::iterator pos
1724 = std::find(embedded_children.begin(), embedded_children.end(), this);
1725
1726 embedded_children.erase(pos);
1727 if (toFront) {
1728 embedded_children.push_back(this);
1729 } else {
1730 embedded_children.insert(embedded_children.begin(), this);
1731 }
1732
1733 gdk_window_restack(gdk_window, NULL, toFront ? TRUE : FALSE);
1734 }
1735
1736 void WindowContextChild::enter_fullscreen() {
1737 if (full_screen_window) {
1738 return;
1739 }
1740
1741 full_screen_window = new WindowContextTop(jwindow, NULL, 0L, UNTITLED,
1742 NORMAL, (GdkWMFunction) 0);
1743 int x, y, w, h;
1744 gdk_window_get_origin(gdk_window, &x, &y);
1745 #ifdef GLASS_GTK3
1746 gdk_window_get_geometry(gdk_window, NULL, NULL, &w, &h);
1747 #else
1748 gdk_window_get_geometry(gdk_window, NULL, NULL, &w, &h, NULL);
1749 #endif
1750 full_screen_window->set_bounds(x, y, true, true, w, h, -1, -1);
1751
1752 if (WindowContextBase::sm_grab_window == this) {
1753 ungrab_focus();
1754 }
1755
1756 reparent_children(full_screen_window);
1757
1758 full_screen_window->set_visible(true);
1759 full_screen_window->enter_fullscreen();
1760
1761 if (jwindow) {
1762 mainEnv->CallVoidMethod(jwindow, jWindowNotifyDelegatePtr, (jlong)full_screen_window);
1763 CHECK_JNI_EXCEPTION(mainEnv)
1764 }
1765
1766 if (jview) {
1767 this->view = (GlassView*)mainEnv->GetLongField(jview, jViewPtr);
1768
1769 this->view->current_window = full_screen_window;
1770 this->view->embedded_window = this;
1771 full_screen_window->set_view(jview);
1772 this->set_view(NULL);
1773 }
1774 }
1775
1776 void WindowContextChild::exit_fullscreen() {
1777 if (!full_screen_window) {
1778 return;
1779 }
1780
1781 if (WindowContextBase::sm_grab_window == this) {
1782 ungrab_focus();
1783 }
1784
1785 full_screen_window->reparent_children(this);
1786
1787 mainEnv->CallVoidMethod(jwindow, jWindowNotifyDelegatePtr, (jlong)NULL);
1788 CHECK_JNI_EXCEPTION(mainEnv)
1789
1790 if (this->view) {
1791 this->view->current_window = this;
1792 this->view->embedded_window = NULL;
1793 }
1794 this->set_view(full_screen_window->get_jview());
1795
1796 full_screen_window->detach_from_java();
1797
1798 full_screen_window->set_view(NULL);
1799
1800 full_screen_window->set_visible(false);
1801
1802 destroy_and_delete_ctx(full_screen_window);
1803 full_screen_window = NULL;
1804 this->view = NULL;
1805 }
1806
1807 void WindowContextChild::process_destroy() {
1808 if (full_screen_window) {
1809 destroy_and_delete_ctx(full_screen_window);
1810 }
1811
1812 std::vector<WindowContextChild*> &embedded_children =
1813 dynamic_cast<WindowContextPlug*>(parent)->embedded_children;
1814
1815 std::vector<WindowContextChild*>::iterator pos
1816 = std::find(embedded_children.begin(), embedded_children.end(), this);
1817 if (pos != embedded_children.end()) {
1818 embedded_children.erase((pos));
1819 }
1820
1821 WindowContextBase::process_destroy();
1822 }