Merging r46203 through r46413 from trunk into soc-2011-tomato
[blender.git] / source / blender / windowmanager / intern / wm_window.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2007 Blender Foundation but based 
19  * on ghostwinlay.c (C) 2001-2002 by NaN Holding BV
20  * All rights reserved.
21  *
22  * Contributor(s): Blender Foundation, 2008
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/windowmanager/intern/wm_window.c
28  *  \ingroup wm
29  */
30
31
32 #include <math.h>
33 #include <stdlib.h>
34 #include <stdio.h>
35 #include <string.h>
36
37 #include "DNA_listBase.h"       
38 #include "DNA_screen_types.h"
39 #include "DNA_windowmanager_types.h"
40 #include "RNA_access.h"
41
42 #include "MEM_guardedalloc.h"
43
44 #include "GHOST_C-api.h"
45
46 #include "BLI_blenlib.h"
47 #include "BLI_utildefines.h"
48
49 #include "BLF_translation.h"
50
51 #include "BKE_blender.h"
52 #include "BKE_context.h"
53 #include "BKE_library.h"
54 #include "BKE_global.h"
55 #include "BKE_main.h"
56
57
58 #include "BIF_gl.h"
59
60 #include "WM_api.h"
61 #include "WM_types.h"
62 #include "wm.h"
63 #include "wm_draw.h"
64 #include "wm_window.h"
65 #include "wm_subwindow.h"
66 #include "wm_event_system.h"
67
68 #include "ED_screen.h"
69 #include "ED_fileselect.h"
70
71 #include "PIL_time.h"
72
73 #include "GPU_draw.h"
74 #include "GPU_extensions.h"
75
76 #include "UI_interface.h"
77
78 /* the global to talk to ghost */
79 static GHOST_SystemHandle g_system = NULL;
80
81 typedef enum WinOverrideFlag {
82         WIN_OVERRIDE_GEOM     = (1 << 0),
83         WIN_OVERRIDE_WINSTATE = (1 << 1)
84 } WinOverrideFlag;
85
86 /* set by commandline */
87 static struct WMInitStruct {
88         /* window geometry */
89         int size_x, size_y;
90         int start_x, start_y;
91
92         int windowstate;
93         WinOverrideFlag override_flag;
94 } wm_init_state = {0, 0, 0, 0, GHOST_kWindowStateNormal, 0};
95
96 /* ******** win open & close ************ */
97
98 /* XXX this one should correctly check for apple top header...
99  * done for Cocoa : returns window contents (and not frame) max size*/
100 void wm_get_screensize(int *width_r, int *height_r)
101 {
102         unsigned int uiwidth;
103         unsigned int uiheight;
104         
105         GHOST_GetMainDisplayDimensions(g_system, &uiwidth, &uiheight);
106         *width_r = uiwidth;
107         *height_r = uiheight;
108 }
109
110 /* keeps offset and size within monitor bounds */
111 /* XXX solve dual screen... */
112 static void wm_window_check_position(rcti *rect)
113 {
114         int width, height, d;
115         
116         wm_get_screensize(&width, &height);
117         
118 #if defined(__APPLE__) && !defined(GHOST_COCOA)
119         height -= 70;
120 #endif
121         
122         if (rect->xmin < 0) {
123                 rect->xmax -= rect->xmin;
124                 rect->xmin  = 0;
125         }
126         if (rect->ymin < 0) {
127                 rect->ymax -= rect->ymin;
128                 rect->ymin  = 0;
129         }
130         if (rect->xmax > width) {
131                 d = rect->xmax - width;
132                 rect->xmax -= d;
133                 rect->xmin -= d;
134         }
135         if (rect->ymax > height) {
136                 d = rect->ymax - height;
137                 rect->ymax -= d;
138                 rect->ymin -= d;
139         }
140         
141         if (rect->xmin < 0) rect->xmin = 0;
142         if (rect->ymin < 0) rect->ymin = 0;
143 }
144
145
146 static void wm_ghostwindow_destroy(wmWindow *win) 
147 {
148         if (win->ghostwin) {
149                 GHOST_DisposeWindow(g_system, win->ghostwin);
150                 win->ghostwin = NULL;
151         }
152 }
153
154 /* including window itself, C can be NULL. 
155  * ED_screen_exit should have been called */
156 void wm_window_free(bContext *C, wmWindowManager *wm, wmWindow *win)
157 {
158         wmTimer *wt, *wtnext;
159         
160         /* update context */
161         if (C) {
162                 WM_event_remove_handlers(C, &win->handlers);
163                 WM_event_remove_handlers(C, &win->modalhandlers);
164
165                 if (CTX_wm_window(C) == win)
166                         CTX_wm_window_set(C, NULL);
167         }       
168
169         /* always set drawable and active to NULL,
170          * prevents non-drawable state of main windows (bugs #22967 and #25071, possibly #22477 too) */
171         wm->windrawable = NULL;
172         wm->winactive = NULL;
173
174         /* end running jobs, a job end also removes its timer */
175         for (wt = wm->timers.first; wt; wt = wtnext) {
176                 wtnext = wt->next;
177                 if (wt->win == win && wt->event_type == TIMERJOBS)
178                         wm_jobs_timer_ended(wm, wt);
179         }
180         
181         /* timer removing, need to call this api function */
182         for (wt = wm->timers.first; wt; wt = wtnext) {
183                 wtnext = wt->next;
184                 if (wt->win == win)
185                         WM_event_remove_timer(wm, win, wt);
186         }
187
188         if (win->eventstate) MEM_freeN(win->eventstate);
189         
190         wm_event_free_all(win);
191         wm_subwindows_free(win);
192         
193         if (win->drawdata)
194                 MEM_freeN(win->drawdata);
195         
196         wm_ghostwindow_destroy(win);
197         
198         MEM_freeN(win);
199 }
200
201 static int find_free_winid(wmWindowManager *wm)
202 {
203         wmWindow *win;
204         int id = 1;
205         
206         for (win = wm->windows.first; win; win = win->next)
207                 if (id <= win->winid)
208                         id = win->winid + 1;
209         
210         return id;
211 }
212
213 /* don't change context itself */
214 wmWindow *wm_window_new(bContext *C)
215 {
216         wmWindowManager *wm = CTX_wm_manager(C);
217         wmWindow *win = MEM_callocN(sizeof(wmWindow), "window");
218         
219         BLI_addtail(&wm->windows, win);
220         win->winid = find_free_winid(wm);
221
222         return win;
223 }
224
225
226 /* part of wm_window.c api */
227 wmWindow *wm_window_copy(bContext *C, wmWindow *winorig)
228 {
229         wmWindow *win = wm_window_new(C);
230         
231         win->posx = winorig->posx + 10;
232         win->posy = winorig->posy;
233         win->sizex = winorig->sizex;
234         win->sizey = winorig->sizey;
235         
236         /* duplicate assigns to window */
237         win->screen = ED_screen_duplicate(win, winorig->screen);
238         BLI_strncpy(win->screenname, win->screen->id.name + 2, sizeof(win->screenname));
239         win->screen->winid = win->winid;
240
241         win->screen->do_refresh = 1;
242         win->screen->do_draw = 1;
243
244         win->drawmethod = -1;
245         win->drawdata = NULL;
246         
247         return win;
248 }
249
250 /* this is event from ghost, or exit-blender op */
251 void wm_window_close(bContext *C, wmWindowManager *wm, wmWindow *win)
252 {
253         wmWindow *tmpwin;
254         bScreen *screen = win->screen;
255         
256         /* first check if we have any non-temp remaining windows */
257         if ((U.uiflag & USER_QUIT_PROMPT) && !wm->file_saved) {
258                 if (wm->windows.first) {
259                         for (tmpwin = wm->windows.first; tmpwin; tmpwin = tmpwin->next) {
260                                 if (tmpwin == win)
261                                         continue;
262                                 if (tmpwin->screen->temp == 0)
263                                         break;
264                         }
265                         if (tmpwin == NULL) {
266                                 if (!GHOST_confirmQuit(win->ghostwin))
267                                         return;
268                         }
269                 }
270         }
271
272         BLI_remlink(&wm->windows, win);
273         
274         wm_draw_window_clear(win);
275         CTX_wm_window_set(C, win);  /* needed by handlers */
276         WM_event_remove_handlers(C, &win->handlers);
277         WM_event_remove_handlers(C, &win->modalhandlers);
278         ED_screen_exit(C, win, win->screen); 
279         
280         wm_window_free(C, wm, win);
281         
282         /* if temp screen, delete it after window free (it stops jobs that can access it) */
283         if (screen->temp) {
284                 Main *bmain = CTX_data_main(C);
285                 BKE_libblock_free(&bmain->screen, screen);
286         }
287         
288         /* check remaining windows */
289         if (wm->windows.first) {
290                 for (win = wm->windows.first; win; win = win->next)
291                         if (win->screen->temp == 0)
292                                 break;
293                 /* in this case we close all */
294                 if (win == NULL)
295                         WM_exit(C);
296         }
297         else
298                 WM_exit(C);
299 }
300
301 void wm_window_title(wmWindowManager *wm, wmWindow *win)
302 {
303         /* handle the 'temp' window, only set title when not set before */
304         if (win->screen && win->screen->temp) {
305                 char *title = GHOST_GetTitle(win->ghostwin);
306                 if (title == NULL || title[0] == 0)
307                         GHOST_SetTitle(win->ghostwin, "Blender");
308         }
309         else {
310                 
311                 /* this is set to 1 if you don't have startup.blend open */
312                 if (G.save_over && G.main->name[0]) {
313                         char str[sizeof(G.main->name) + 12];
314                         BLI_snprintf(str, sizeof(str), "Blender%s [%s]", wm->file_saved ? "" : "*", G.main->name);
315                         GHOST_SetTitle(win->ghostwin, str);
316                 }
317                 else
318                         GHOST_SetTitle(win->ghostwin, "Blender");
319
320                 /* Informs GHOST of unsaved changes, to set window modified visual indicator (MAC OS X)
321                  * and to give hint of unsaved changes for a user warning mechanism
322                  * in case of OS application terminate request (e.g. OS Shortcut Alt+F4, Cmd+Q, (...), or session end) */
323                 GHOST_SetWindowModifiedState(win->ghostwin, (GHOST_TUns8) !wm->file_saved);
324                 
325 #if defined(__APPLE__) && !defined(GHOST_COCOA)
326                 if (wm->file_saved)
327                         GHOST_SetWindowState(win->ghostwin, GHOST_kWindowStateUnModified);
328                 else
329                         GHOST_SetWindowState(win->ghostwin, GHOST_kWindowStateModified);
330 #endif
331         }
332 }
333
334 /* belongs to below */
335 static void wm_window_add_ghostwindow(const char *title, wmWindow *win)
336 {
337         GHOST_WindowHandle ghostwin;
338         int scr_w, scr_h, posy;
339         
340         wm_get_screensize(&scr_w, &scr_h);
341         posy = (scr_h - win->posy - win->sizey);
342         
343 #if defined(__APPLE__) && !defined(GHOST_COCOA)
344         {
345                 extern int macPrefState; /* creator.c */
346                 initial_state += macPrefState;
347         }
348 #endif
349         /* Disable AA for now, as GL_SELECT (used for border, lasso, ... select)
350          * doesn't work well when AA is initialized, even if not used. */
351         ghostwin = GHOST_CreateWindow(g_system, title,
352                                       win->posx, posy, win->sizex, win->sizey,
353                                       (GHOST_TWindowState)win->windowstate,
354                                       GHOST_kDrawingContextTypeOpenGL,
355                                       0 /* no stereo */,
356                                       0 /* no AA */);
357         
358         if (ghostwin) {
359                 /* needed so we can detect the graphics card below */
360                 GPU_extensions_init();
361                 
362                 /* set the state*/
363                 GHOST_SetWindowState(ghostwin, (GHOST_TWindowState)win->windowstate);
364
365                 win->ghostwin = ghostwin;
366                 GHOST_SetWindowUserData(ghostwin, win); /* pointer back */
367                 
368                 if (win->eventstate == NULL)
369                         win->eventstate = MEM_callocN(sizeof(wmEvent), "window event state");
370                 
371                 /* until screens get drawn, make it nice grey */
372                 glClearColor(.55, .55, .55, 0.0);
373                 /* Crash on OSS ATI: bugs.launchpad.net/ubuntu/+source/mesa/+bug/656100 */
374                 if (!GPU_type_matches(GPU_DEVICE_ATI, GPU_OS_UNIX, GPU_DRIVER_OPENSOURCE)) {
375                         glClear(GL_COLOR_BUFFER_BIT);
376                 }
377
378                 wm_window_swap_buffers(win);
379                 
380                 //GHOST_SetWindowState(ghostwin, GHOST_kWindowStateModified);
381                 
382                 /* standard state vars for window */
383                 glEnable(GL_SCISSOR_TEST);
384                 
385                 GPU_state_init();
386         }
387 }
388
389 /* for wmWindows without ghostwin, open these and clear */
390 /* window size is read from window, if 0 it uses prefsize */
391 /* called in WM_check, also inits stuff after file read */
392 void wm_window_add_ghostwindows(wmWindowManager *wm)
393 {
394         wmKeyMap *keymap;
395         wmWindow *win;
396         
397         /* no commandline prefsize? then we set this.
398          * Note that these values will be used only
399          * when there is no startup.blend yet.
400          */
401         if (wm_init_state.size_x == 0) {
402                 wm_get_screensize(&wm_init_state.size_x, &wm_init_state.size_y);
403                 
404 #if defined(__APPLE__) && !defined(GHOST_COCOA)
405 //Cocoa provides functions to get correct max window size
406                 {
407                         extern void wm_set_apple_prefsize(int, int);    /* wm_apple.c */
408                         
409                         wm_set_apple_prefsize(wm_init_state.size_x, wm_init_state.size_y);
410                 }
411 #else
412                 wm_init_state.start_x = 0;
413                 wm_init_state.start_y = 0;
414                 
415 #endif
416         }
417         
418         for (win = wm->windows.first; win; win = win->next) {
419                 if (win->ghostwin == NULL) {
420                         if ((win->sizex == 0) || (wm_init_state.override_flag & WIN_OVERRIDE_GEOM)) {
421                                 win->posx = wm_init_state.start_x;
422                                 win->posy = wm_init_state.start_y;
423                                 win->sizex = wm_init_state.size_x;
424                                 win->sizey = wm_init_state.size_y;
425                                 wm_init_state.override_flag &= ~WIN_OVERRIDE_GEOM;
426                         }
427
428                         if (wm_init_state.override_flag & WIN_OVERRIDE_WINSTATE) {
429                                 win->windowstate = wm_init_state.windowstate;
430                                 wm_init_state.override_flag &= ~WIN_OVERRIDE_WINSTATE;
431                         }
432
433                         wm_window_add_ghostwindow("Blender", win);
434                 }
435                 /* happens after fileread */
436                 if (win->eventstate == NULL)
437                         win->eventstate = MEM_callocN(sizeof(wmEvent), "window event state");
438
439                 /* add keymap handlers (1 handler for all keys in map!) */
440                 keymap = WM_keymap_find(wm->defaultconf, "Window", 0, 0);
441                 WM_event_add_keymap_handler(&win->handlers, keymap);
442                 
443                 keymap = WM_keymap_find(wm->defaultconf, "Screen", 0, 0);
444                 WM_event_add_keymap_handler(&win->handlers, keymap);
445
446                 keymap = WM_keymap_find(wm->defaultconf, "Screen Editing", 0, 0);
447                 WM_event_add_keymap_handler(&win->modalhandlers, keymap);
448                 
449                 /* add drop boxes */
450                 {
451                         ListBase *lb = WM_dropboxmap_find("Window", 0, 0);
452                         WM_event_add_dropbox_handler(&win->handlers, lb);
453                 }
454                 wm_window_title(wm, win);
455         }
456 }
457
458 /* new window, no screen yet, but we open ghostwindow for it */
459 /* also gets the window level handlers */
460 /* area-rip calls this */
461 wmWindow *WM_window_open(bContext *C, rcti *rect)
462 {
463         wmWindow *win = wm_window_new(C);
464         
465         win->posx = rect->xmin;
466         win->posy = rect->ymin;
467         win->sizex = rect->xmax - rect->xmin;
468         win->sizey = rect->ymax - rect->ymin;
469
470         win->drawmethod = -1;
471         win->drawdata = NULL;
472         
473         WM_check(C);
474         
475         return win;
476 }
477
478 /* uses screen->temp tag to define what to do, currently it limits
479  * to only one "temp" window for render out, preferences, filewindow, etc */
480 /* type is #define in WM_api.h */
481
482 void WM_window_open_temp(bContext *C, rcti *position, int type)
483 {
484         wmWindow *win;
485         ScrArea *sa;
486         
487         /* changes rect to fit within desktop */
488         wm_window_check_position(position);
489         
490         /* test if we have a temp screen already */
491         for (win = CTX_wm_manager(C)->windows.first; win; win = win->next)
492                 if (win->screen->temp)
493                         break;
494         
495         /* add new window? */
496         if (win == NULL) {
497                 win = wm_window_new(C);
498                 
499                 win->posx = position->xmin;
500                 win->posy = position->ymin;
501         }
502         
503         win->sizex = position->xmax - position->xmin;
504         win->sizey = position->ymax - position->ymin;
505         
506         if (win->ghostwin) {
507                 wm_window_set_size(win, win->sizex, win->sizey);
508                 wm_window_raise(win);
509         }
510         
511         /* add new screen? */
512         if (win->screen == NULL)
513                 win->screen = ED_screen_add(win, CTX_data_scene(C), "temp");
514         win->screen->temp = 1; 
515         
516         /* make window active, and validate/resize */
517         CTX_wm_window_set(C, win);
518         WM_check(C);
519         
520         /* ensure it shows the right spacetype editor */
521         sa = win->screen->areabase.first;
522         CTX_wm_area_set(C, sa);
523         
524         if (type == WM_WINDOW_RENDER) {
525                 ED_area_newspace(C, sa, SPACE_IMAGE);
526         }
527         else {
528                 ED_area_newspace(C, sa, SPACE_USERPREF);
529         }
530         
531         ED_screen_set(C, win->screen);
532         
533         if (sa->spacetype == SPACE_IMAGE)
534                 GHOST_SetTitle(win->ghostwin, IFACE_("Blender Render"));
535         else if (ELEM(sa->spacetype, SPACE_OUTLINER, SPACE_USERPREF))
536                 GHOST_SetTitle(win->ghostwin, IFACE_("Blender User Preferences"));
537         else if (sa->spacetype == SPACE_FILE)
538                 GHOST_SetTitle(win->ghostwin, IFACE_("Blender File View"));
539         else
540                 GHOST_SetTitle(win->ghostwin, "Blender");
541 }
542
543
544 /* ****************** Operators ****************** */
545
546 /* operator callback */
547 int wm_window_duplicate_exec(bContext *C, wmOperator *UNUSED(op))
548 {
549         wm_window_copy(C, CTX_wm_window(C));
550         WM_check(C);
551         
552         WM_event_add_notifier(C, NC_WINDOW | NA_ADDED, NULL);
553         
554         return OPERATOR_FINISHED;
555 }
556
557
558 /* fullscreen operator callback */
559 int wm_window_fullscreen_toggle_exec(bContext *C, wmOperator *UNUSED(op))
560 {
561         wmWindow *window = CTX_wm_window(C);
562         GHOST_TWindowState state;
563
564         if (G.background)
565                 return OPERATOR_CANCELLED;
566
567         state = GHOST_GetWindowState(window->ghostwin);
568         if (state != GHOST_kWindowStateFullScreen)
569                 GHOST_SetWindowState(window->ghostwin, GHOST_kWindowStateFullScreen);
570         else
571                 GHOST_SetWindowState(window->ghostwin, GHOST_kWindowStateNormal);
572
573         return OPERATOR_FINISHED;
574         
575 }
576
577
578 /* ************ events *************** */
579
580 typedef enum
581 {
582         SHIFT = 's',
583         CONTROL = 'c',
584         ALT = 'a',
585         OS = 'C'
586 } modifierKeyType;
587
588 /* check if specified modifier key type is pressed */
589 static int query_qual(modifierKeyType qual) 
590 {
591         GHOST_TModifierKeyMask left, right;
592         int val = 0;
593         
594         switch (qual) {
595                 case SHIFT:
596                         left = GHOST_kModifierKeyLeftShift;
597                         right = GHOST_kModifierKeyRightShift;
598                         break;
599                 case CONTROL:
600                         left = GHOST_kModifierKeyLeftControl;
601                         right = GHOST_kModifierKeyRightControl;
602                         break;
603                 case OS:
604                         left = right = GHOST_kModifierKeyOS;
605                         break;
606                 case ALT:
607                 default:
608                         left = GHOST_kModifierKeyLeftAlt;
609                         right = GHOST_kModifierKeyRightAlt;
610                         break;
611         }
612         
613         GHOST_GetModifierKeyState(g_system, left, &val);
614         if (!val)
615                 GHOST_GetModifierKeyState(g_system, right, &val);
616         
617         return val;
618 }
619
620 void wm_window_make_drawable(bContext *C, wmWindow *win) 
621 {
622         wmWindowManager *wm = CTX_wm_manager(C);
623
624         if (win != wm->windrawable && win->ghostwin) {
625 //              win->lmbut= 0;  /* keeps hanging when mousepressed while other window opened */
626                 
627                 wm->windrawable = win;
628                 if (G.debug & G_DEBUG_EVENTS) {
629                         printf("%s: set drawable %d\n", __func__, win->winid);
630                 }
631                 GHOST_ActivateWindowDrawingContext(win->ghostwin);
632         }
633 }
634
635 /* called by ghost, here we handle events for windows themselves or send to event system */
636 static int ghost_event_proc(GHOST_EventHandle evt, GHOST_TUserDataPtr private) 
637 {
638         bContext *C = private;
639         wmWindowManager *wm = CTX_wm_manager(C);
640         GHOST_TEventType type = GHOST_GetEventType(evt);
641         int time = GHOST_GetEventTime(evt);
642         
643         if (type == GHOST_kEventQuit) {
644                 WM_exit(C);
645         }
646         else {
647                 GHOST_WindowHandle ghostwin = GHOST_GetEventWindow(evt);
648                 GHOST_TEventDataPtr data = GHOST_GetEventData(evt);
649                 wmWindow *win;
650                 
651                 if (!ghostwin) {
652                         // XXX - should be checked, why are we getting an event here, and
653                         //      what is it?
654                         puts("<!> event has no window");
655                         return 1;
656                 }
657                 else if (!GHOST_ValidWindow(g_system, ghostwin)) {
658                         // XXX - should be checked, why are we getting an event here, and
659                         //      what is it?
660                         puts("<!> event has invalid window");                   
661                         return 1;
662                 }
663                 else {
664                         win = GHOST_GetWindowUserData(ghostwin);
665                 }
666                 
667                 switch (type) {
668                         case GHOST_kEventWindowDeactivate:
669                                 wm_event_add_ghostevent(wm, win, type, time, data);
670                                 win->active = 0; /* XXX */
671                                 break;
672                         case GHOST_kEventWindowActivate: 
673                         {
674                                 GHOST_TEventKeyData kdata;
675                                 int cx, cy, wx, wy;
676                                 
677                                 wm->winactive = win; /* no context change! c->wm->windrawable is drawable, or for area queues */
678                                 
679                                 win->active = 1;
680 //                              window_handle(win, INPUTCHANGE, win->active);
681                                 
682                                 /* bad ghost support for modifier keys... so on activate we set the modifiers again */
683                                 kdata.ascii = '\0';
684                                 kdata.utf8_buf[0] = '\0';
685                                 if (win->eventstate->shift && !query_qual(SHIFT)) {
686                                         kdata.key = GHOST_kKeyLeftShift;
687                                         wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
688                                 }
689                                 if (win->eventstate->ctrl && !query_qual(CONTROL)) {
690                                         kdata.key = GHOST_kKeyLeftControl;
691                                         wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
692                                 }
693                                 if (win->eventstate->alt && !query_qual(ALT)) {
694                                         kdata.key = GHOST_kKeyLeftAlt;
695                                         wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
696                                 }
697                                 if (win->eventstate->oskey && !query_qual(OS)) {
698                                         kdata.key = GHOST_kKeyOS;
699                                         wm_event_add_ghostevent(wm, win, GHOST_kEventKeyUp, time, &kdata);
700                                 }
701                                 /* keymodifier zero, it hangs on hotkeys that open windows otherwise */
702                                 win->eventstate->keymodifier = 0;
703                                 
704                                 /* entering window, update mouse pos. but no event */
705                                 GHOST_GetCursorPosition(g_system, &wx, &wy);
706                                 
707                                 GHOST_ScreenToClient(win->ghostwin, wx, wy, &cx, &cy);
708                                 win->eventstate->x = cx;
709                                 win->eventstate->y = (win->sizey - 1) - cy;
710                                 
711                                 win->addmousemove = 1;   /* enables highlighted buttons */
712                                 
713                                 wm_window_make_drawable(C, win);
714                                 break;
715                         }
716                         case GHOST_kEventWindowClose: {
717                                 wm_window_close(C, wm, win);
718                                 break;
719                         }
720                         case GHOST_kEventWindowUpdate: {
721                                 if (G.debug & G_DEBUG_EVENTS) {
722                                         printf("%s: ghost redraw %d\n", __func__, win->winid);
723                                 }
724                                 
725                                 wm_window_make_drawable(C, win);
726                                 WM_event_add_notifier(C, NC_WINDOW, NULL);
727
728                                 break;
729                         }
730                         case GHOST_kEventWindowSize:
731                         case GHOST_kEventWindowMove: {
732                                 GHOST_TWindowState state;
733                                 state = GHOST_GetWindowState(win->ghostwin);
734                                 win->windowstate = state;
735
736                                 /* win32: gives undefined window size when minimized */
737                                 if (state != GHOST_kWindowStateMinimized) {
738                                         GHOST_RectangleHandle client_rect;
739                                         int l, t, r, b, scr_w, scr_h;
740                                         int sizex, sizey, posx, posy;
741                                         
742                                         client_rect = GHOST_GetClientBounds(win->ghostwin);
743                                         GHOST_GetRectangle(client_rect, &l, &t, &r, &b);
744                                         
745                                         GHOST_DisposeRectangle(client_rect);
746                                         
747                                         wm_get_screensize(&scr_w, &scr_h);
748                                         sizex = r - l;
749                                         sizey = b - t;
750                                         posx = l;
751                                         posy = scr_h - t - win->sizey;
752
753                                         /*
754                                          * Ghost sometimes send size or move events when the window hasn't changed.
755                                          * One case of this is using compiz on linux. To alleviate the problem
756                                          * we ignore all such event here.
757                                          * 
758                                          * It might be good to eventually do that at Ghost level, but that is for 
759                                          * another time.
760                                          */
761                                         if (win->sizex != sizex ||
762                                             win->sizey != sizey ||
763                                             win->posx != posx ||
764                                             win->posy != posy)
765                                         {
766                                                 win->sizex = sizex;
767                                                 win->sizey = sizey;
768                                                 win->posx = posx;
769                                                 win->posy = posy;
770
771                                                 /* debug prints */
772                                                 if (G.debug & G_DEBUG_EVENTS) {
773                                                         const char *state_str;
774                                                         state = GHOST_GetWindowState(win->ghostwin);
775
776                                                         if (state == GHOST_kWindowStateNormal) {
777                                                                 state_str = "normal";
778                                                         }
779                                                         else if (state == GHOST_kWindowStateMinimized) {
780                                                                 state_str = "minimized";
781                                                         }
782                                                         else if (state == GHOST_kWindowStateMaximized) {
783                                                                 state_str = "maximized";
784                                                         }
785                                                         else if (state == GHOST_kWindowStateFullScreen) {
786                                                                 state_str = "fullscreen";
787                                                         }
788                                                         else {
789                                                                 state_str = "<unknown>";
790                                                         }
791
792                                                         printf("%s: window %d state = %s\n", __func__, win->winid, state_str);
793
794                                                         if (type != GHOST_kEventWindowSize) {
795                                                                 printf("win move event pos %d %d size %d %d\n",
796                                                                        win->posx, win->posy, win->sizex, win->sizey);
797                                                         }
798                                                 }
799                                         
800                                                 wm_window_make_drawable(C, win);
801                                                 wm_draw_window_clear(win);
802                                                 WM_event_add_notifier(C, NC_SCREEN | NA_EDITED, NULL);
803                                                 WM_event_add_notifier(C, NC_WINDOW | NA_EDITED, NULL);
804                                         }
805                                 }
806                                 break;
807                         }
808                                 
809                         case GHOST_kEventOpenMainFile:
810                         {
811                                 PointerRNA props_ptr;
812                                 wmWindow *oldWindow;
813                                 char *path = GHOST_GetEventData(evt);
814                                 
815                                 if (path) {
816                                         /* operator needs a valid window in context, ensures
817                                          * it is correctly set */
818                                         oldWindow = CTX_wm_window(C);
819                                         CTX_wm_window_set(C, win);
820                                         
821                                         WM_operator_properties_create(&props_ptr, "WM_OT_open_mainfile");
822                                         RNA_string_set(&props_ptr, "filepath", path);
823                                         WM_operator_name_call(C, "WM_OT_open_mainfile", WM_OP_EXEC_DEFAULT, &props_ptr);
824                                         WM_operator_properties_free(&props_ptr);
825                                         
826                                         CTX_wm_window_set(C, oldWindow);
827                                 }
828                                 break;
829                         }
830                         case GHOST_kEventDraggingDropDone:
831                         {
832                                 wmEvent event;
833                                 GHOST_TEventDragnDropData *ddd = GHOST_GetEventData(evt);
834                                 int cx, cy, wx, wy;
835                                 
836                                 /* entering window, update mouse pos */
837                                 GHOST_GetCursorPosition(g_system, &wx, &wy);
838                                 
839                                 GHOST_ScreenToClient(win->ghostwin, wx, wy, &cx, &cy);
840                                 win->eventstate->x = cx;
841                                 win->eventstate->y = (win->sizey - 1) - cy;
842                                 
843                                 event = *(win->eventstate);  /* copy last state, like mouse coords */
844                                 
845                                 // activate region
846                                 event.type = MOUSEMOVE;
847                                 event.prevx = event.x;
848                                 event.prevy = event.y;
849                                 
850                                 wm->winactive = win; /* no context change! c->wm->windrawable is drawable, or for area queues */
851                                 win->active = 1;
852                                 
853                                 wm_event_add(win, &event);
854                                 
855                                 
856                                 /* make blender drop event with custom data pointing to wm drags */
857                                 event.type = EVT_DROP;
858                                 event.val = KM_RELEASE;
859                                 event.custom = EVT_DATA_LISTBASE;
860                                 event.customdata = &wm->drags;
861                                 event.customdatafree = 1;
862                                 
863                                 wm_event_add(win, &event);
864                                 
865                                 /* printf("Drop detected\n"); */
866                                 
867                                 /* add drag data to wm for paths: */
868                                 
869                                 if (ddd->dataType == GHOST_kDragnDropTypeFilenames) {
870                                         GHOST_TStringArray *stra = ddd->data;
871                                         int a, icon;
872                                         
873                                         for (a = 0; a < stra->count; a++) {
874                                                 printf("drop file %s\n", stra->strings[a]);
875                                                 /* try to get icon type from extension */
876                                                 icon = ED_file_extension_icon((char *)stra->strings[a]);
877                                                 
878                                                 WM_event_start_drag(C, icon, WM_DRAG_PATH, stra->strings[a], 0.0);
879                                                 /* void poin should point to string, it makes a copy */
880                                                 break; // only one drop element supported now 
881                                         }
882                                 }
883                                 
884                                 
885                                 
886                                 break;
887                         }
888                         
889                         default:
890                                 wm_event_add_ghostevent(wm, win, type, time, data);
891                                 break;
892                 }
893
894         }
895         return 1;
896 }
897
898
899 /* This timer system only gives maximum 1 timer event per redraw cycle,
900  * to prevent queues to get overloaded.
901  * Timer handlers should check for delta to decide if they just
902  * update, or follow real time.
903  * Timer handlers can also set duration to match frames passed
904  */
905 static int wm_window_timer(const bContext *C)
906 {
907         wmWindowManager *wm = CTX_wm_manager(C);
908         wmTimer *wt, *wtnext;
909         wmWindow *win;
910         double time = PIL_check_seconds_timer();
911         int retval = 0;
912         
913         for (wt = wm->timers.first; wt; wt = wtnext) {
914                 wtnext = wt->next; /* in case timer gets removed */
915                 win = wt->win;
916
917                 if (wt->sleep== 0) {
918                         if (time > wt->ntime) {
919                                 wt->delta = time - wt->ltime;
920                                 wt->duration += wt->delta;
921                                 wt->ltime = time;
922                                 wt->ntime = wt->stime + wt->timestep *ceil(wt->duration / wt->timestep);
923
924                                 if (wt->event_type == TIMERJOBS)
925                                         wm_jobs_timer(C, wm, wt);
926                                 else if (wt->event_type == TIMERAUTOSAVE)
927                                         wm_autosave_timer(C, wm, wt);
928                                 else if (win) {
929                                         wmEvent event = *(win->eventstate);
930                                         
931                                         event.type = wt->event_type;
932                                         event.custom = EVT_DATA_TIMER;
933                                         event.customdata = wt;
934                                         wm_event_add(win, &event);
935
936                                         retval = 1;
937                                 }
938                         }
939                 }
940         }
941         return retval;
942 }
943
944 void wm_window_process_events(const bContext *C) 
945 {
946         int hasevent = GHOST_ProcessEvents(g_system, 0); /* 0 is no wait */
947         
948         if (hasevent)
949                 GHOST_DispatchEvents(g_system);
950         
951         hasevent |= wm_window_timer(C);
952
953         /* no event, we sleep 5 milliseconds */
954         if (hasevent == 0)
955                 PIL_sleep_ms(5);
956 }
957
958 void wm_window_process_events_nosleep(void) 
959 {
960         if (GHOST_ProcessEvents(g_system, 0))
961                 GHOST_DispatchEvents(g_system);
962 }
963
964 /* exported as handle callback to bke blender.c */
965 void wm_window_testbreak(void)
966 {
967         static double ltime = 0;
968         double curtime = PIL_check_seconds_timer();
969         
970         /* only check for breaks every 50 milliseconds
971          * if we get called more often.
972          */
973         if ((curtime - ltime) > .05) {
974                 int hasevent = GHOST_ProcessEvents(g_system, 0); /* 0 is no wait */
975                 
976                 if (hasevent)
977                         GHOST_DispatchEvents(g_system);
978                 
979                 ltime = curtime;
980         }
981 }
982
983 /* **************** init ********************** */
984
985 void wm_ghost_init(bContext *C)
986 {
987         if (!g_system) {
988                 GHOST_EventConsumerHandle consumer = GHOST_CreateEventConsumer(ghost_event_proc, C);
989                 
990                 g_system = GHOST_CreateSystem();
991                 GHOST_AddEventConsumer(g_system, consumer);
992         }       
993 }
994
995 void wm_ghost_exit(void)
996 {
997         if (g_system)
998                 GHOST_DisposeSystem(g_system);
999
1000         g_system = NULL;
1001 }
1002
1003 /* **************** timer ********************** */
1004
1005 /* to (de)activate running timers temporary */
1006 void WM_event_timer_sleep(wmWindowManager *wm, wmWindow *UNUSED(win), wmTimer *timer, int dosleep)
1007 {
1008         wmTimer *wt;
1009         
1010         for (wt = wm->timers.first; wt; wt = wt->next)
1011                 if (wt == timer)
1012                         break;
1013
1014         if (wt)
1015                 wt->sleep = dosleep;
1016 }
1017
1018 wmTimer *WM_event_add_timer(wmWindowManager *wm, wmWindow *win, int event_type, double timestep)
1019 {
1020         wmTimer *wt = MEM_callocN(sizeof(wmTimer), "window timer");
1021         
1022         wt->event_type = event_type;
1023         wt->ltime = PIL_check_seconds_timer();
1024         wt->ntime = wt->ltime + timestep;
1025         wt->stime = wt->ltime;
1026         wt->timestep = timestep;
1027         wt->win = win;
1028         
1029         BLI_addtail(&wm->timers, wt);
1030         
1031         return wt;
1032 }
1033
1034 void WM_event_remove_timer(wmWindowManager *wm, wmWindow *UNUSED(win), wmTimer *timer)
1035 {
1036         wmTimer *wt;
1037         
1038         /* extra security check */
1039         for (wt = wm->timers.first; wt; wt = wt->next)
1040                 if (wt == timer)
1041                         break;
1042         if (wt) {
1043                 if (wm->reports.reporttimer == wt)
1044                         wm->reports.reporttimer = NULL;
1045                 
1046                 BLI_remlink(&wm->timers, wt);
1047                 if (wt->customdata)
1048                         MEM_freeN(wt->customdata);
1049                 MEM_freeN(wt);
1050         }
1051 }
1052
1053 /* ******************* clipboard **************** */
1054
1055 char *WM_clipboard_text_get(int selection)
1056 {
1057         char *p, *p2, *buf, *newbuf;
1058
1059         if (G.background)
1060                 return NULL;
1061
1062         buf = (char *)GHOST_getClipboard(selection);
1063         if (!buf)
1064                 return NULL;
1065         
1066         /* always convert from \r\n to \n */
1067         newbuf = MEM_callocN(strlen(buf) + 1, "WM_clipboard_text_get");
1068
1069         for (p = buf, p2 = newbuf; *p; p++) {
1070                 if (*p != '\r')
1071                         *(p2++) = *p;
1072         }
1073         *p2 = '\0';
1074
1075         free(buf); /* ghost uses regular malloc */
1076         
1077         return newbuf;
1078 }
1079
1080 void WM_clipboard_text_set(char *buf, int selection)
1081 {
1082         if (!G.background) {
1083 #ifdef _WIN32
1084                 /* do conversion from \n to \r\n on Windows */
1085                 char *p, *p2, *newbuf;
1086                 int newlen = 0;
1087                 
1088                 for (p = buf; *p; p++) {
1089                         if (*p == '\n')
1090                                 newlen += 2;
1091                         else
1092                                 newlen++;
1093                 }
1094                 
1095                 newbuf = MEM_callocN(newlen + 1, "WM_clipboard_text_set");
1096         
1097                 for (p = buf, p2 = newbuf; *p; p++, p2++) {
1098                         if (*p == '\n') {
1099                                 *(p2++) = '\r'; *p2 = '\n';
1100                         }
1101                         else *p2 = *p;
1102                 }
1103                 *p2 = '\0';
1104         
1105                 GHOST_putClipboard((GHOST_TInt8 *)newbuf, selection);
1106                 MEM_freeN(newbuf);
1107 #else
1108                 GHOST_putClipboard((GHOST_TInt8 *)buf, selection);
1109 #endif
1110         }
1111 }
1112
1113 /* ******************* progress bar **************** */
1114
1115 void WM_progress_set(wmWindow *win, float progress)
1116 {
1117         GHOST_SetProgressBar(win->ghostwin, progress);
1118 }
1119
1120 void WM_progress_clear(wmWindow *win)
1121 {
1122         GHOST_EndProgressBar(win->ghostwin);
1123 }
1124
1125 /* ************************************ */
1126
1127 void wm_window_get_position(wmWindow *win, int *posx_r, int *posy_r) 
1128 {
1129         *posx_r = win->posx;
1130         *posy_r = win->posy;
1131 }
1132
1133 void wm_window_get_size(wmWindow *win, int *width_r, int *height_r) 
1134 {
1135         *width_r = win->sizex;
1136         *height_r = win->sizey;
1137 }
1138
1139 /* exceptional case: - splash is called before events are processed
1140  * this means we don't actually know the window size so get this from GHOST */
1141 void wm_window_get_size_ghost(wmWindow *win, int *width_r, int *height_r)
1142 {
1143         GHOST_RectangleHandle bounds = GHOST_GetClientBounds(win->ghostwin);
1144         *width_r = GHOST_GetWidthRectangle(bounds);
1145         *height_r = GHOST_GetHeightRectangle(bounds);
1146         
1147         GHOST_DisposeRectangle(bounds);
1148 }
1149
1150 void wm_window_set_size(wmWindow *win, int width, int height) 
1151 {
1152         GHOST_SetClientSize(win->ghostwin, width, height);
1153 }
1154
1155 void wm_window_lower(wmWindow *win) 
1156 {
1157         GHOST_SetWindowOrder(win->ghostwin, GHOST_kWindowOrderBottom);
1158 }
1159
1160 void wm_window_raise(wmWindow *win) 
1161 {
1162         GHOST_SetWindowOrder(win->ghostwin, GHOST_kWindowOrderTop);
1163 }
1164
1165 void wm_window_swap_buffers(wmWindow *win)
1166 {
1167         
1168 #ifdef WIN32
1169         glDisable(GL_SCISSOR_TEST);
1170         GHOST_SwapWindowBuffers(win->ghostwin);
1171         glEnable(GL_SCISSOR_TEST);
1172 #else
1173         GHOST_SwapWindowBuffers(win->ghostwin);
1174 #endif
1175 }
1176
1177 void wm_get_cursor_position(wmWindow *win, int *x, int *y)
1178 {
1179         GHOST_GetCursorPosition(g_system, x, y);
1180         GHOST_ScreenToClient(win->ghostwin, *x, *y, x, y);
1181         *y = (win->sizey - 1) - *y;
1182 }
1183
1184 /* ******************* exported api ***************** */
1185
1186
1187 /* called whem no ghost system was initialized */
1188 void WM_setprefsize(int stax, int stay, int sizx, int sizy)
1189 {
1190         wm_init_state.start_x = stax; /* left hand pos */
1191         wm_init_state.start_y = stay; /* bottom pos */
1192         wm_init_state.size_x = sizx;
1193         wm_init_state.size_y = sizy;
1194         wm_init_state.override_flag |= WIN_OVERRIDE_GEOM;
1195 }
1196
1197 /* for borderless and border windows set from command-line */
1198 void WM_setinitialstate_fullscreen(void)
1199 {
1200         wm_init_state.windowstate = GHOST_kWindowStateFullScreen;
1201         wm_init_state.override_flag |= WIN_OVERRIDE_WINSTATE;
1202 }
1203
1204 void WM_setinitialstate_normal(void)
1205 {
1206         wm_init_state.windowstate = GHOST_kWindowStateNormal;
1207         wm_init_state.override_flag |= WIN_OVERRIDE_WINSTATE;
1208 }
1209
1210 /* This function requires access to the GHOST_SystemHandle (g_system) */
1211 void WM_cursor_warp(wmWindow *win, int x, int y)
1212 {
1213         if (win && win->ghostwin) {
1214                 int oldx = x, oldy = y;
1215
1216                 y = win->sizey - y - 1;
1217
1218                 GHOST_ClientToScreen(win->ghostwin, x, y, &x, &y);
1219                 GHOST_SetCursorPosition(g_system, x, y);
1220
1221                 win->eventstate->prevx = oldx;
1222                 win->eventstate->prevy = oldy;
1223         }
1224 }
1225