9c22184b607e8be53fc6029b759835170ca141c1
[freeglut] / src / blackberry / fg_main_blackberry.c
1 /*
2  * fg_main_blackberry.c
3  *
4  * The BlackBerry-specific windows message processing methods.
5  *
6  * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7  * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8  * Copied for Platform code by Evan Felix <karcaw at gmail.com>
9  * Copyright (C) 2012  Sylvain Beucler
10  * Copyright (C) 2013  Vincent Simonetti
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice shall be included
20  * in all copies or substantial portions of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
25  * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
26  * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
27  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28  */
29
30 #include <GL/freeglut.h>
31 #include "fg_internal.h"
32 #include "egl/fg_window_egl.h"
33
34 #include <slog2.h>
35 #define LOGI(...) ((void)slog2fa(NULL, 1337, SLOG2_INFO, __VA_ARGS__, SLOG2_FA_END))
36 #define LOGW(...) ((void)slog2fa(NULL, 1337, SLOG2_WARNING, __VA_ARGS__, SLOG2_FA_END))
37 #include <sys/keycodes.h>
38 #include <input/screen_helpers.h>
39 #include <bps/bps.h>
40 #include <bps/event.h>
41 #include <bps/screen.h>
42 #include <bps/navigator.h>
43
44 extern void fghOnReshapeNotify(SFG_Window *window, int width, int height, GLboolean forceNotify);
45 extern void fghOnPositionNotify(SFG_Window *window, int x, int y, GLboolean forceNotify);
46 extern void fgPlatformFullScreenToggle( SFG_Window *win );
47 extern void fgPlatformPositionWindow( SFG_Window *window, int x, int y );
48 extern void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height );
49 extern void fgPlatformPushWindow( SFG_Window *window );
50 extern void fgPlatformPopWindow( SFG_Window *window );
51 extern void fgPlatformHideWindow( SFG_Window *window );
52 extern void fgPlatformIconifyWindow( SFG_Window *window );
53 extern void fgPlatformShowWindow( SFG_Window *window );
54 extern void fgPlatformMainLoopPostWork ( void );
55
56 static struct touchscreen touchscreen;
57
58 unsigned int key_special(int qnxKeycode)
59 {
60     switch(qnxKeycode) {
61     case KEYCODE_F1:
62         return GLUT_KEY_F1;
63     case KEYCODE_F2:
64         return GLUT_KEY_F2;
65     case KEYCODE_F3:
66         return GLUT_KEY_F3;
67     case KEYCODE_F4:
68         return GLUT_KEY_F4;
69     case KEYCODE_F5:
70         return GLUT_KEY_F5;
71     case KEYCODE_F6:
72         return GLUT_KEY_F6;
73     case KEYCODE_F7:
74         return GLUT_KEY_F7;
75     case KEYCODE_F8:
76         return GLUT_KEY_F8;
77     case KEYCODE_F9:
78         return GLUT_KEY_F9;
79     case KEYCODE_F10:
80         return GLUT_KEY_F10;
81     case KEYCODE_F11:
82         return GLUT_KEY_F11;
83     case KEYCODE_F12:
84         return GLUT_KEY_F12;
85     case KEYCODE_PG_UP:
86         return GLUT_KEY_PAGE_UP;
87     case KEYCODE_PG_DOWN:
88         return GLUT_KEY_PAGE_DOWN;
89     case KEYCODE_HOME:
90         return GLUT_KEY_HOME;
91     case KEYCODE_END:
92         return GLUT_KEY_END;
93     case KEYCODE_INSERT:
94         return GLUT_KEY_INSERT;
95     case KEYCODE_UP:
96     //case KEYCODE_KP_UP:
97         return GLUT_KEY_UP;
98     case KEYCODE_DOWN:
99     //case KEYCODE_KP_DOWN:
100         return GLUT_KEY_DOWN;
101     case KEYCODE_LEFT:
102     //case KEYCODE_KP_LEFT:
103         return GLUT_KEY_LEFT;
104     case KEYCODE_RIGHT:
105     //case KEYCODE_KP_RIGHT:
106         return GLUT_KEY_RIGHT;
107     case KEYCODE_NUM_LOCK:
108         return GLUT_KEY_NUM_LOCK;
109     case KEYCODE_LEFT_ALT:
110         return GLUT_KEY_ALT_L;
111     case KEYCODE_RIGHT_ALT:
112         return GLUT_KEY_ALT_R;
113     case KEYCODE_LEFT_SHIFT:
114         return GLUT_KEY_SHIFT_L;
115     case KEYCODE_RIGHT_SHIFT:
116         return GLUT_KEY_SHIFT_R;
117     case KEYCODE_LEFT_CTRL:
118         return GLUT_KEY_CTRL_L;
119     case KEYCODE_RIGHT_CTRL:
120         return GLUT_KEY_CTRL_R;
121     }
122     return 0;
123 }
124
125 unsigned char key_ascii(int qnxKeycode)
126 {
127     if (qnxKeycode >= KEYCODE_PC_KEYS && qnxKeycode <= UNICODE_PRIVATE_USE_AREA_LAST) {
128         switch (qnxKeycode) {
129         case KEYCODE_BACKSPACE:
130             return 0x0008;
131         case KEYCODE_TAB:
132             return 0x0009;
133         case KEYCODE_KP_ENTER:
134         case KEYCODE_RETURN:
135             return 0x000A;
136         case KEYCODE_ESCAPE:
137             return 0x001B;
138         }
139     }
140     return qnxKeycode;
141 }
142
143 //From fg_main_x11
144 fg_time_t fgPlatformSystemTime ( void )
145 {
146 #ifdef CLOCK_MONOTONIC
147     struct timespec now;
148     clock_gettime(CLOCK_MONOTONIC, &now);
149     return now.tv_nsec/1000000 + now.tv_sec*1000;
150 #elif defined(HAVE_GETTIMEOFDAY)
151     struct timeval now;
152     gettimeofday( &now, NULL );
153     return now.tv_usec/1000 + now.tv_sec*1000;
154 #endif
155 }
156
157 /*
158  * Does the magic required to relinquish the CPU until something interesting
159  * happens.
160  */
161 void fgPlatformSleepForEvents( fg_time_t msec )
162 {
163     //XXX: Is this right? Is there a more direct way to access the context?
164     if(fgStructure.CurrentWindow && bps_get_event(&fgDisplay.pDisplay.event, (int)msec) != BPS_SUCCESS) {
165         LOGW("BPS couldn't get event");
166     }
167 }
168
169 void handle_left_mouse(int x, int y, int height, int eventType, SFG_Window* window)
170 {
171     bool handled = false;
172     /* Virtual arrows PAD */
173     /* Don't interfere with existing mouse move event */
174     if (!touchscreen.in_mmotion) {
175         struct vpad_state prev_vpad = touchscreen.vpad;
176         touchscreen.vpad.left = touchscreen.vpad.right = touchscreen.vpad.up = touchscreen.vpad.down = false;
177
178         if (eventType == SCREEN_EVENT_MTOUCH_TOUCH || eventType == SCREEN_EVENT_MTOUCH_MOVE) {
179             if ((x > 0 && x < 100) && (y > (height - 100) && y < height))
180             {
181                 touchscreen.vpad.left = true;
182             }
183             if ((x > 200 && x < 300) && (y > (height - 100) && y < height))
184             {
185                 touchscreen.vpad.right = true;
186             }
187             if ((x > 100 && x < 200) && (y > (height - 100) && y < height))
188             {
189                 touchscreen.vpad.down = true;
190             }
191             if ((x > 100 && x < 200) && (y > (height - 200) && y < (height - 100)))
192             {
193                 touchscreen.vpad.up = true;
194             }
195         }
196
197         if (eventType == SCREEN_EVENT_MTOUCH_TOUCH &&
198                 (touchscreen.vpad.left || touchscreen.vpad.right || touchscreen.vpad.down || touchscreen.vpad.up)) {
199             touchscreen.vpad.on = true;
200         }
201         if (eventType == SCREEN_EVENT_MTOUCH_RELEASE) {
202             touchscreen.vpad.on = false;
203         }
204
205         if (prev_vpad.left != touchscreen.vpad.left
206                 || prev_vpad.right != touchscreen.vpad.right
207                 || prev_vpad.up != touchscreen.vpad.up
208                 || prev_vpad.down != touchscreen.vpad.down
209                 || prev_vpad.on != touchscreen.vpad.on) {
210             if (FETCH_WCB(*window, Special)) {
211                 if (prev_vpad.left == false && touchscreen.vpad.left == true) {
212                     INVOKE_WCB(*window, Special, (GLUT_KEY_LEFT, x, y));
213                 }
214                 else if (prev_vpad.right == false && touchscreen.vpad.right == true) {
215                     INVOKE_WCB(*window, Special, (GLUT_KEY_RIGHT, x, y));
216                 }
217                 else if (prev_vpad.up == false && touchscreen.vpad.up == true) {
218                     INVOKE_WCB(*window, Special, (GLUT_KEY_UP, x, y));
219                 }
220                 else if (prev_vpad.down == false && touchscreen.vpad.down == true) {
221                     INVOKE_WCB(*window, Special, (GLUT_KEY_DOWN, x, y));
222                 }
223             }
224             if (FETCH_WCB(*window, SpecialUp)) {
225                 if (prev_vpad.left == true && touchscreen.vpad.left == false) {
226                     INVOKE_WCB(*window, SpecialUp, (GLUT_KEY_LEFT, x, y));
227                 }
228                 if (prev_vpad.right == true && touchscreen.vpad.right == false) {
229                     INVOKE_WCB(*window, SpecialUp, (GLUT_KEY_RIGHT, x, y));
230                 }
231                 if (prev_vpad.up == true && touchscreen.vpad.up == false) {
232                     INVOKE_WCB(*window, SpecialUp, (GLUT_KEY_UP, x, y));
233                 }
234                 if (prev_vpad.down == true && touchscreen.vpad.down == false) {
235                     INVOKE_WCB(*window, SpecialUp, (GLUT_KEY_DOWN, x, y));
236                 }
237             }
238             handled = true;
239         }
240     }
241
242     /* Normal mouse events */
243     if (!handled && !touchscreen.vpad.on) {
244         window->State.MouseX = x;
245         window->State.MouseY = y;
246
247         if(eventType == SCREEN_EVENT_MTOUCH_MOVE) {
248             INVOKE_WCB(*window, Motion, (x, y));
249         } else if(FETCH_WCB(*window, Mouse)) {
250             touchscreen.in_mmotion = eventType == SCREEN_EVENT_MTOUCH_TOUCH;
251             int glutTouchType = eventType == SCREEN_EVENT_MTOUCH_TOUCH ? GLUT_DOWN : GLUT_UP;
252             INVOKE_WCB(*window, Mouse, (GLUT_LEFT_BUTTON, glutTouchType, x, y));
253         }
254     }
255 }
256
257 void fgPlatformProcessSingleEvent ( void )
258 {
259     int domain;
260     do
261     {
262         if(fgDisplay.pDisplay.event != NULL) {
263             SFG_Window* window = fgStructure.CurrentWindow;
264             if (window != NULL && window->Window.Handle != NULL) {
265                 int size[2];
266                 screen_get_window_property_iv(window->Window.Handle, SCREEN_PROPERTY_BUFFER_SIZE, size);
267                 fghOnReshapeNotify(window,size[0],size[1],GL_FALSE);
268             }
269
270             domain = bps_event_get_domain(fgDisplay.pDisplay.event);
271             if (domain == screen_get_domain()) {
272                 int eventType;
273                 screen_event_t screenEvent = screen_event_get_event(fgDisplay.pDisplay.event);
274                 screen_get_event_property_iv(screenEvent, SCREEN_PROPERTY_TYPE, &eventType);
275                 switch (eventType) {
276
277                 //Mostly from fg_main_android
278                 case SCREEN_EVENT_MTOUCH_TOUCH:
279                 case SCREEN_EVENT_MTOUCH_RELEASE:
280                 case SCREEN_EVENT_MTOUCH_MOVE:
281                 {
282                     mtouch_event_t touchEvent;
283                     screen_get_mtouch_event(screenEvent, &touchEvent, 0);
284                     LOGI("fgPlatformProcessSingleEvent: SCREEN_EVENT_MTOUCH_*: Type: 0x%X, X: %d, Y: %d, Contact Id: %d", SLOG2_FA_SIGNED(eventType), SLOG2_FA_SIGNED(touchEvent.x), SLOG2_FA_SIGNED(touchEvent.y), SLOG2_FA_SIGNED(touchEvent.contact_id));
285                     if(touchEvent.contact_id == 0) {
286                         int size[2];
287                         screen_get_window_property_iv(window->Window.Handle, SCREEN_PROPERTY_BUFFER_SIZE, size);
288                         handle_left_mouse(touchEvent.x, touchEvent.y, size[1], eventType, window);
289                     }
290
291                     //Now handle mutlitouch (adapted from fg_main_windows)
292                     if (eventType == SCREEN_EVENT_MTOUCH_TOUCH) {
293                         INVOKE_WCB( *window, MultiEntry,  ( touchEvent.contact_id, GLUT_ENTERED ) );
294                         INVOKE_WCB( *window, MultiButton, ( touchEvent.contact_id, touchEvent.x, touchEvent.y, 0, GLUT_DOWN ) );
295                     } else if (eventType == SCREEN_EVENT_MTOUCH_MOVE) {
296                         INVOKE_WCB( *window, MultiMotion, ( touchEvent.contact_id, touchEvent.x, touchEvent.y ) );
297                         //XXX No motion is performed without contact, thus MultiPassive is never used
298                     } else if (eventType == SCREEN_EVENT_MTOUCH_RELEASE) {
299                         INVOKE_WCB( *window, MultiButton, ( touchEvent.contact_id, touchEvent.x, touchEvent.y, 0, GLUT_UP ) );
300                         INVOKE_WCB( *window, MultiEntry,  ( touchEvent.contact_id, GLUT_LEFT ) );
301                     }
302                     break;
303                 }
304
305                 case SCREEN_EVENT_POINTER:
306                 {
307                     //Based off/part taken from GamePlay3d PlatformBlackBerry
308                     static int mouse_pressed = 0;
309                     int buttons;
310                     int position[2];
311                     int wheel;
312                     // A move event will be fired unless a button state changed.
313                     bool move = true;
314                     bool left_move = false;
315                     // This is a mouse move event, it is applicable to a device with a usb mouse or simulator.
316                     screen_get_event_property_iv(screenEvent, SCREEN_PROPERTY_BUTTONS, &buttons);
317                     screen_get_event_property_iv(screenEvent, SCREEN_PROPERTY_SOURCE_POSITION, position);
318                     screen_get_event_property_iv(screenEvent, SCREEN_PROPERTY_MOUSE_WHEEL, &wheel);
319                     int size[2];
320                     screen_get_window_property_iv(window->Window.Handle, SCREEN_PROPERTY_BUFFER_SIZE, size);
321
322                     LOGI("fgPlatformProcessSingleEvent: SCREEN_EVENT_POINTER: Buttons: 0x%X, X: %d, Y: %d, Wheel: %d", SLOG2_FA_SIGNED(buttons), SLOG2_FA_SIGNED(position[0]), SLOG2_FA_SIGNED(position[1]), SLOG2_FA_SIGNED(wheel));
323
324                     //XXX Should multitouch be handled?
325
326                     // Handle left mouse. Interpret as touch if the left mouse event is not consumed.
327                     if (buttons & SCREEN_LEFT_MOUSE_BUTTON) {
328                         if (mouse_pressed & SCREEN_LEFT_MOUSE_BUTTON) {
329                             left_move = true;
330                         } else {
331                             move = false;
332                             mouse_pressed |= SCREEN_LEFT_MOUSE_BUTTON;
333                             handle_left_mouse(position[0], position[1], size[1], SCREEN_EVENT_MTOUCH_TOUCH, window);
334                         }
335                     } else if (mouse_pressed & SCREEN_LEFT_MOUSE_BUTTON) {
336                         move = false;
337                         mouse_pressed &= ~SCREEN_LEFT_MOUSE_BUTTON;
338                         handle_left_mouse(position[0], position[1], size[1], SCREEN_EVENT_MTOUCH_RELEASE, window);
339                     }
340
341                     // Handle right mouse.
342                     if (buttons & SCREEN_RIGHT_MOUSE_BUTTON) {
343                         if ((mouse_pressed & SCREEN_RIGHT_MOUSE_BUTTON) == 0) {
344                             move = false;
345                             mouse_pressed |= SCREEN_RIGHT_MOUSE_BUTTON;
346                             INVOKE_WCB(*window, Mouse, (GLUT_RIGHT_BUTTON, GLUT_DOWN, position[0], position[1]));
347                         }
348                     } else if (mouse_pressed & SCREEN_RIGHT_MOUSE_BUTTON) {
349                         move = false;
350                         mouse_pressed &= ~SCREEN_RIGHT_MOUSE_BUTTON;
351                         INVOKE_WCB(*window, Mouse, (GLUT_RIGHT_BUTTON, GLUT_UP, position[0], position[1]));
352                     }
353
354                     // Handle middle mouse.
355                     if (buttons & SCREEN_MIDDLE_MOUSE_BUTTON) {
356                         if ((mouse_pressed & SCREEN_MIDDLE_MOUSE_BUTTON) == 0) {
357                             move = false;
358                             mouse_pressed |= SCREEN_MIDDLE_MOUSE_BUTTON;
359                             INVOKE_WCB(*window, Mouse, (GLUT_MIDDLE_BUTTON, GLUT_DOWN, position[0], position[1]));
360                         }
361                     } else if (mouse_pressed & SCREEN_MIDDLE_MOUSE_BUTTON) {
362                         move = false;
363                         mouse_pressed &= ~SCREEN_MIDDLE_MOUSE_BUTTON;
364                         INVOKE_WCB(*window, Mouse, (GLUT_MIDDLE_BUTTON, GLUT_UP, position[0], position[1]));
365                     }
366
367                     // Fire a move event if none of the buttons changed.
368                     if (left_move || move) {
369                         handle_left_mouse(position[0], position[1], size[1], SCREEN_EVENT_MTOUCH_MOVE, window);
370                     }
371
372                     if (wheel) {
373                         fgState.MouseWheelTicks -= wheel;
374                         //TODO: Implement wheel support (based on fg_main_mswin... though it seems excessive)
375                     }
376                     break;
377                 }
378
379                 //Based off fg_main_android
380                 case SCREEN_EVENT_KEYBOARD:
381                 {
382                     int flags;
383                     int value;
384                     screen_get_event_property_iv(screenEvent, SCREEN_PROPERTY_KEY_FLAGS, &flags);
385                     screen_get_event_property_iv(screenEvent, SCREEN_PROPERTY_KEY_SYM, &value);
386                     LOGI("fgPlatformProcessSingleEvent: SCREEN_EVENT_KEYBOARD. Flags: 0x%X, Sym: 0x%X", SLOG2_FA_SIGNED(flags), SLOG2_FA_SIGNED(value));
387                     // Suppress key repeats if desired
388                     if ((flags & KEY_REPEAT) == 0 || (fgState.KeyRepeat == GLUT_KEY_REPEAT_ON && !fgStructure.CurrentWindow->State.IgnoreKeyRepeat)) {
389                         unsigned int keypress = 0;
390                         unsigned char ascii = 0;
391                         if ((keypress = key_special(value))) {
392                             if(flags & KEY_DOWN) {
393                                 INVOKE_WCB(*window, Special, (keypress, window->State.MouseX, window->State.MouseY));
394                             } else {
395                                 INVOKE_WCB(*window, SpecialUp, (keypress, window->State.MouseX, window->State.MouseY));
396                             }
397                         } else if((flags & KEY_SYM_VALID) && (ascii = key_ascii(value))) {
398                             if(flags & KEY_DOWN) {
399                                 INVOKE_WCB(*window, Keyboard, (ascii, window->State.MouseX, window->State.MouseY));
400                             } else {
401                                 INVOKE_WCB(*window, KeyboardUp, (ascii, window->State.MouseX, window->State.MouseY));
402                             }
403                         }
404                     }
405                     break;
406                 }
407
408                 case SCREEN_EVENT_PROPERTY:
409                 case SCREEN_EVENT_IDLE:
410                     break;
411
412                 default:
413                     LOGW("fgPlatformProcessSingleEvent: unknown screen event: 0x%X", SLOG2_FA_SIGNED(eventType));
414                     break;
415                 }
416             } else if (domain == navigator_get_domain()) {
417                 int eventType = bps_event_get_code(fgDisplay.pDisplay.event);
418                 switch (eventType) {
419
420                 case NAVIGATOR_WINDOW_STATE:
421                 {
422                     LOGI("fgPlatformProcessSingleEvent: NAVIGATOR_WINDOW_STATE");
423                     navigator_window_state_t state = navigator_event_get_window_state(fgDisplay.pDisplay.event);
424                     switch (state)
425                     {
426                     case NAVIGATOR_WINDOW_FULLSCREEN:
427                         LOGI("fgPlatformProcessSingleEvent: NAVIGATOR_WINDOW_STATE-NAVIGATOR_WINDOW_FULLSCREEN");
428                         INVOKE_WCB(*window, AppStatus, (GLUT_APPSTATUS_RESUME));
429                         break;
430                     case NAVIGATOR_WINDOW_THUMBNAIL:
431                     case NAVIGATOR_WINDOW_INVISIBLE:
432                         LOGI("fgPlatformProcessSingleEvent: NAVIGATOR_WINDOW_STATE-NAVIGATOR_WINDOW_THUMBNAIL/NAVIGATOR_WINDOW_INVISIBLE");
433                         INVOKE_WCB(*window, AppStatus, (GLUT_APPSTATUS_PAUSE));
434                         break;
435                     default:
436                         LOGW("fgPlatformProcessSingleEvent: NAVIGATOR_WINDOW_STATE unknown: 0x%X", SLOG2_FA_SIGNED(state));
437                         break;
438                     }
439                     break;
440                 }
441
442                 case NAVIGATOR_EXIT:
443                 {
444                     LOGI("fgPlatformProcessSingleEvent: NAVIGATOR_EXIT");
445
446                     fgPlatformMainLoopPostWork();
447
448                     /* User closed the application for good, let's kill the window */
449                     SFG_Window* window = fgStructure.CurrentWindow;
450                     if (window != NULL) {
451                         fgDestroyWindow(window);
452                     } else {
453                         LOGW("NAVIGATOR_EXIT: No current window");
454                     }
455                     break;
456                 }
457
458                 case NAVIGATOR_SWIPE_DOWN:
459                 case NAVIGATOR_BACK:
460                 case NAVIGATOR_WINDOW_ACTIVE:
461                 case NAVIGATOR_WINDOW_INACTIVE:
462                 case NAVIGATOR_KEYBOARD_STATE:
463                 case NAVIGATOR_KEYBOARD_POSITION:
464                 case NAVIGATOR_DEVICE_LOCK_STATE:
465                 case NAVIGATOR_WINDOW_COVER:
466                 case NAVIGATOR_WINDOW_COVER_ENTER:
467                 case NAVIGATOR_WINDOW_COVER_EXIT:
468                 case NAVIGATOR_APP_STATE:
469                     //XXX Should probably do something with these
470                     break;
471
472                 default:
473                     LOGW("fgPlatformProcessSingleEvent: unknown navigator event: 0x%X", SLOG2_FA_SIGNED(eventType));
474                     break;
475                 }
476             }
477         }
478     } while(bps_get_event(&fgDisplay.pDisplay.event, 1) == BPS_SUCCESS && fgDisplay.pDisplay.event != NULL);
479
480     /* Reset event to reduce chances of triggering something */
481     fgDisplay.pDisplay.event = NULL;
482 }
483
484 void fgPlatformMainLoopPreliminaryWork ( void )
485 {
486     LOGI("fgPlatformMainLoopPreliminaryWork");
487
488     /* Request navigator events */
489     navigator_request_events(0);
490         //XXX rotation lock? navigator_rotation_lock(true);
491
492     /* Request window events */
493     screen_request_events(fgDisplay.pDisplay.screenContext);
494 }
495
496 void fgPlatformMainLoopPostWork ( void )
497 {
498         LOGI("fgPlatformMainLoopPostWork");
499
500         screen_stop_events(fgDisplay.pDisplay.screenContext);
501
502         navigator_stop_events(0);
503 }
504
505 /* deal with work list items */
506 void fgPlatformInitWork(SFG_Window* window)
507 {
508     /* notify windowStatus/visibility */
509     INVOKE_WCB( *window, WindowStatus, ( GLUT_FULLY_RETAINED ) );
510
511     /* Position callback, always at 0,0 */
512     fghOnPositionNotify(window, 0, 0, GL_TRUE);
513
514     /* Size gets notified on window creation with size detection in mainloop above
515      * XXX CHECK: does this messages happen too early like on windows,
516      * so client code cannot have registered a callback yet and the message
517      * is thus never received by client?
518      */
519 }
520
521 void fgPlatformPosResZordWork(SFG_Window* window, unsigned int workMask)
522 {
523     if (workMask & GLUT_FULL_SCREEN_WORK)
524         fgPlatformFullScreenToggle( window );
525     if (workMask & GLUT_POSITION_WORK)
526         fgPlatformPositionWindow( window, window->State.DesiredXpos, window->State.DesiredYpos );
527     if (workMask & GLUT_SIZE_WORK)
528         fgPlatformReshapeWindow ( window, window->State.DesiredWidth, window->State.DesiredHeight );
529     if (workMask & GLUT_ZORDER_WORK)
530     {
531         if (window->State.DesiredZOrder < 0)
532             fgPlatformPushWindow( window );
533         else
534             fgPlatformPopWindow( window );
535     }
536 }
537
538 void fgPlatformVisibilityWork(SFG_Window* window)
539 {
540     /* Visibility status of window should get updated in the window message handlers
541      * For now, none of these functions called below do anything, so don't worry
542      * about it
543      */
544     SFG_Window *win = window;
545     switch (window->State.DesiredVisibility)
546     {
547     case DesireHiddenState:
548         fgPlatformHideWindow( window );
549         break;
550     case DesireIconicState:
551         /* Call on top-level window */
552         while (win->Parent)
553             win = win->Parent;
554         fgPlatformIconifyWindow( win );
555         break;
556     case DesireNormalState:
557         fgPlatformShowWindow( window );
558         break;
559     }
560 }