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[vlc] / modules / control / hotkeys.c
1 /*****************************************************************************
2  * hotkeys.c: Hotkey handling for vlc
3  *****************************************************************************
4  * Copyright (C) 2005-2009 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Sigmund Augdal Helberg <dnumgis@videolan.org>
8  *          Jean-Paul Saman <jpsaman #_at_# m2x.nl>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28
29 #ifdef HAVE_CONFIG_H
30 # include "config.h"
31 #endif
32
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_interface.h>
36 #include <vlc_input.h>
37 #include <vlc_vout.h>
38 #include <vlc_aout_intf.h>
39 #include <vlc_osd.h>
40 #include <vlc_playlist.h>
41 #include <vlc_keys.h>
42 #include "math.h"
43
44 #define CHANNELS_NUMBER 4
45 #define VOLUME_TEXT_CHAN     p_intf->p_sys->p_channels[ 0 ]
46 #define VOLUME_WIDGET_CHAN   p_intf->p_sys->p_channels[ 1 ]
47 #define POSITION_TEXT_CHAN   p_intf->p_sys->p_channels[ 2 ]
48 #define POSITION_WIDGET_CHAN p_intf->p_sys->p_channels[ 3 ]
49
50 /*****************************************************************************
51  * intf_sys_t: description and status of FB interface
52  *****************************************************************************/
53 struct intf_sys_t
54 {
55     vout_thread_t      *p_last_vout;
56     int                 p_channels[ CHANNELS_NUMBER ]; /* contains registered
57                                                         * channel IDs */
58     int                 i_mousewheel_mode;
59 };
60
61 /*****************************************************************************
62  * Local prototypes
63  *****************************************************************************/
64 static int  Open    ( vlc_object_t * );
65 static void Close   ( vlc_object_t * );
66 static int  ActionEvent( vlc_object_t *, char const *,
67                          vlc_value_t, vlc_value_t, void * );
68 static int  SpecialKeyEvent( vlc_object_t *, char const *,
69                              vlc_value_t, vlc_value_t, void * );
70 static void PlayBookmark( intf_thread_t *, int );
71 static void SetBookmark ( intf_thread_t *, int );
72 static void DisplayPosition( intf_thread_t *, vout_thread_t *, input_thread_t * );
73 static void DisplayVolume  ( intf_thread_t *, vout_thread_t *, audio_volume_t );
74 static void DisplayRate ( vout_thread_t *, float );
75 static float AdjustRateFine( input_thread_t *, const int );
76 static void ClearChannels  ( intf_thread_t *, vout_thread_t * );
77
78 #define DisplayMessage(vout, ch, fmt, ...) \
79     do { if(vout) vout_OSDMessage(vout, ch, fmt, __VA_ARGS__); } while(0)
80 #define DisplayIcon(vout, icon) \
81     do { if(vout) vout_OSDIcon(vout, SPU_DEFAULT_CHANNEL, icon); } while(0)
82
83 /*****************************************************************************
84  * Module descriptor
85  *****************************************************************************/
86
87 enum{
88     MOUSEWHEEL_VOLUME,
89     MOUSEWHEEL_POSITION,
90     NO_MOUSEWHEEL,
91 };
92
93 static const int i_mode_list[] =
94     { MOUSEWHEEL_VOLUME, MOUSEWHEEL_POSITION, NO_MOUSEWHEEL };
95
96 static const char *const psz_mode_list_text[] =
97     { N_("Volume Control"), N_("Position Control"), N_("Ignore") };
98
99 vlc_module_begin ()
100     set_shortname( N_("Hotkeys") )
101     set_description( N_("Hotkeys management interface") )
102     set_capability( "interface", 0 )
103     set_callbacks( Open, Close )
104     set_category( CAT_INTERFACE )
105     set_subcategory( SUBCAT_INTERFACE_HOTKEYS )
106
107     add_integer( "hotkeys-mousewheel-mode", MOUSEWHEEL_VOLUME,
108                  N_("MouseWheel x-axis Control"),
109                  N_("MouseWheel x-axis can control volume, position or "
110                     "mousewheel event can be ignored"), false )
111             change_integer_list( i_mode_list, psz_mode_list_text )
112
113 vlc_module_end ()
114
115 /*****************************************************************************
116  * Open: initialize interface
117  *****************************************************************************/
118 static int Open( vlc_object_t *p_this )
119 {
120     intf_thread_t *p_intf = (intf_thread_t *)p_this;
121     intf_sys_t *p_sys;
122     p_sys = malloc( sizeof( intf_sys_t ) );
123     if( !p_sys )
124         return VLC_ENOMEM;
125
126     p_intf->p_sys = p_sys;
127     p_intf->pf_run = NULL;
128
129     p_sys->p_last_vout = NULL;
130     p_intf->p_sys->i_mousewheel_mode =
131         var_InheritInteger( p_intf, "hotkeys-mousewheel-mode" );
132
133     var_AddCallback( p_intf->p_libvlc, "key-pressed", SpecialKeyEvent, p_intf );
134     var_AddCallback( p_intf->p_libvlc, "key-action", ActionEvent, p_intf );
135     return VLC_SUCCESS;
136 }
137
138 /*****************************************************************************
139  * Close: destroy interface
140  *****************************************************************************/
141 static void Close( vlc_object_t *p_this )
142 {
143     intf_thread_t *p_intf = (intf_thread_t *)p_this;
144     intf_sys_t *p_sys = p_intf->p_sys;
145
146     var_DelCallback( p_intf->p_libvlc, "key-action", ActionEvent, p_intf );
147     var_DelCallback( p_intf->p_libvlc, "key-pressed", SpecialKeyEvent, p_intf );
148
149     /* Destroy structure */
150     free( p_sys );
151 }
152
153 static int PutAction( intf_thread_t *p_intf, int i_action )
154 {
155     intf_sys_t *p_sys = p_intf->p_sys;
156     playlist_t *p_playlist = pl_Get( p_intf );
157
158     /* Update the input */
159     input_thread_t *p_input = playlist_CurrentInput( p_playlist );
160
161     /* Update the vout */
162     vout_thread_t *p_vout = p_input ? input_GetVout( p_input ) : NULL;
163
164     /* Update the aout */
165     vlc_object_t *p_aout = p_input ? (vlc_object_t *)input_GetAout( p_input ) : NULL;
166
167     /* Register OSD channels */
168     /* FIXME: this check can fail if the new vout is reallocated at the same
169      * address as the old one... We should rather listen to vout events.
170      * Alternatively, we should keep a reference to the vout thread. */
171     if( p_vout && p_vout != p_sys->p_last_vout )
172         for( unsigned i = 0; i < CHANNELS_NUMBER; i++ )
173             p_intf->p_sys->p_channels[i] = vout_RegisterSubpictureChannel( p_vout );
174     p_sys->p_last_vout = p_vout;
175
176     /* Quit */
177     switch( i_action )
178     {
179         case ACTIONID_QUIT:
180             libvlc_Quit( p_intf->p_libvlc );
181
182             ClearChannels( p_intf, p_vout );
183             DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", _( "Quit" ) );
184             break;
185
186         /* Volume and audio actions */
187         case ACTIONID_VOL_UP:
188         {
189             audio_volume_t i_newvol;
190             aout_VolumeUp( p_playlist, 1, &i_newvol );
191             DisplayVolume( p_intf, p_vout, i_newvol );
192             break;
193         }
194
195         case ACTIONID_VOL_DOWN:
196         {
197             audio_volume_t i_newvol;
198             aout_VolumeDown( p_playlist, 1, &i_newvol );
199             DisplayVolume( p_intf, p_vout, i_newvol );
200             break;
201         }
202
203         case ACTIONID_VOL_MUTE:
204         {
205             audio_volume_t i_newvol = -1;
206             aout_ToggleMute( p_playlist, &i_newvol );
207             if( p_vout )
208             {
209                 if( i_newvol == 0 )
210                 {
211                     ClearChannels( p_intf, p_vout );
212                     DisplayIcon( p_vout, OSD_MUTE_ICON );
213                 }
214                 else
215                     DisplayVolume( p_intf, p_vout, i_newvol );
216             }
217             break;
218         }
219
220         /* Interface showing */
221         case ACTIONID_INTF_SHOW:
222             var_SetBool( p_intf->p_libvlc, "intf-show", true );
223             break;
224
225         case ACTIONID_INTF_HIDE:
226             var_SetBool( p_intf->p_libvlc, "intf-show", false );
227             break;
228
229         /* Video Output actions */
230         case ACTIONID_SNAPSHOT:
231             if( p_vout )
232                 var_TriggerCallback( p_vout, "video-snapshot" );
233             break;
234
235         case ACTIONID_TOGGLE_FULLSCREEN:
236         {
237             bool fs = var_ToggleBool( p_playlist, "fullscreen" );
238             if( p_vout )
239                 var_SetBool( p_vout, "fullscreen", fs );
240             break;
241         }
242
243         case ACTIONID_LEAVE_FULLSCREEN:
244             if( p_vout )
245                 var_SetBool( p_vout, "fullscreen", false );
246             var_SetBool( p_playlist, "fullscreen", false );
247             break;
248
249         case ACTIONID_ZOOM_QUARTER:
250         case ACTIONID_ZOOM_HALF:
251         case ACTIONID_ZOOM_ORIGINAL:
252         case ACTIONID_ZOOM_DOUBLE:
253             if( p_vout )
254             {
255                 float f;
256                 switch( i_action )
257                 {
258                     case ACTIONID_ZOOM_QUARTER:  f = 0.25; break;
259                     case ACTIONID_ZOOM_HALF:     f = 0.5;  break;
260                     case ACTIONID_ZOOM_ORIGINAL: f = 1.;   break;
261                      /*case ACTIONID_ZOOM_DOUBLE:*/
262                     default:                     f = 2.;   break;
263                 }
264                 var_SetFloat( p_vout, "zoom", f );
265             }
266             break;
267
268         case ACTIONID_WALLPAPER:
269         {   /* FIXME: this is invalid if not using DirectX output!!! */
270             vlc_object_t *obj = p_vout ? VLC_OBJECT(p_vout)
271                                        : VLC_OBJECT(p_playlist);
272             var_ToggleBool( obj, "video-wallpaper" );
273             break;
274         }
275
276         /* Playlist actions */
277         case ACTIONID_LOOP:
278             /* Toggle Normal -> Loop -> Repeat -> Normal ... */
279             if( var_GetBool( p_playlist, "repeat" ) )
280                 var_SetBool( p_playlist, "repeat", false );
281             else
282             if( var_GetBool( p_playlist, "loop" ) )
283             { /* FIXME: this is not atomic, we should use a real tristate */
284                 var_SetBool( p_playlist, "loop", false );
285                 var_SetBool( p_playlist, "repeat", true );
286             }
287             else
288                 var_SetBool( p_playlist, "loop", true );
289             break;
290
291         case ACTIONID_RANDOM:
292         {
293             var_ToggleBool( p_playlist, "random" );
294             break;
295         }
296
297         case ACTIONID_PLAY_PAUSE:
298             if( p_input )
299             {
300                 ClearChannels( p_intf, p_vout );
301
302                 int state = var_GetInteger( p_input, "state" );
303                 if( state != PAUSE_S )
304                 {
305                     DisplayIcon( p_vout, OSD_PAUSE_ICON );
306                     state = PAUSE_S;
307                 }
308                 else
309                 {
310                     DisplayIcon( p_vout, OSD_PLAY_ICON );
311                     state = PLAYING_S;
312                 }
313                 var_SetInteger( p_input, "state", state );
314             }
315             else
316                 playlist_Play( p_playlist );
317             break;
318
319         case ACTIONID_PLAY:
320             if( p_input && var_GetFloat( p_input, "rate" ) != 1. )
321                 /* Return to normal speed */
322                 var_SetFloat( p_input, "rate", 1. );
323             else
324             {
325                 ClearChannels( p_intf, p_vout );
326                 DisplayIcon( p_vout, OSD_PLAY_ICON );
327                 playlist_Play( p_playlist );
328             }
329             break;
330
331         case ACTIONID_AUDIODEVICE_CYCLE:
332         {
333             if( !p_aout )
334                 break;
335
336             vlc_value_t val, list, list2;
337             int i_count, i;
338
339             var_Get( p_aout, "audio-device", &val );
340             var_Change( p_aout, "audio-device", VLC_VAR_GETCHOICES,
341                     &list, &list2 );
342             i_count = list.p_list->i_count;
343
344             if( i_count > 1 )
345             {
346                 for( i = 0; i < i_count; i++ )
347                 {
348                     if( val.i_int == list.p_list->p_values[i].i_int )
349                     {
350                         break;
351                     }
352                 }
353                 if( i == i_count )
354                 {
355                     msg_Warn( p_aout,
356                             "invalid current audio device, selecting 0" );
357                     var_Set( p_aout, "audio-device",
358                             list.p_list->p_values[0] );
359                     i = 0;
360                 }
361                 else if( i == i_count -1 )
362                 {
363                     var_Set( p_aout, "audio-device",
364                             list.p_list->p_values[0] );
365                     i = 0;
366                 }
367                 else
368                 {
369                     var_Set( p_aout, "audio-device",
370                             list.p_list->p_values[i+1] );
371                     i++;
372                 }
373                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
374                                 _("Audio Device: %s"),
375                                 list2.p_list->p_values[i].psz_string);
376             }
377             var_FreeList( &list, &list2 );
378             break;
379         }
380
381         /* Input options */
382         default:
383         {
384             if( !p_input )
385                 break;
386
387             bool b_seekable = var_GetBool( p_input, "can-seek" );
388             int i_interval =0;
389
390             if( i_action == ACTIONID_PAUSE )
391             {
392                 if( var_GetInteger( p_input, "state" ) != PAUSE_S )
393                 {
394                     ClearChannels( p_intf, p_vout );
395                     DisplayIcon( p_vout, OSD_PAUSE_ICON );
396                     var_SetInteger( p_input, "state", PAUSE_S );
397                 }
398             }
399             else if( i_action == ACTIONID_JUMP_BACKWARD_EXTRASHORT
400                      && b_seekable )
401             {
402 #define SET_TIME( a, b ) \
403     i_interval = var_InheritInteger( p_input, a "-jump-size" ); \
404     if( i_interval > 0 ) { \
405         mtime_t i_time = (mtime_t)(i_interval * b) * 1000000L; \
406         var_SetTime( p_input, "time-offset", i_time ); \
407         DisplayPosition( p_intf, p_vout, p_input ); \
408     }
409                 SET_TIME( "extrashort", -1 );
410             }
411             else if( i_action == ACTIONID_JUMP_FORWARD_EXTRASHORT && b_seekable )
412             {
413                 SET_TIME( "extrashort", 1 );
414             }
415             else if( i_action == ACTIONID_JUMP_BACKWARD_SHORT && b_seekable )
416             {
417                 SET_TIME( "short", -1 );
418             }
419             else if( i_action == ACTIONID_JUMP_FORWARD_SHORT && b_seekable )
420             {
421                 SET_TIME( "short", 1 );
422             }
423             else if( i_action == ACTIONID_JUMP_BACKWARD_MEDIUM && b_seekable )
424             {
425                 SET_TIME( "medium", -1 );
426             }
427             else if( i_action == ACTIONID_JUMP_FORWARD_MEDIUM && b_seekable )
428             {
429                 SET_TIME( "medium", 1 );
430             }
431             else if( i_action == ACTIONID_JUMP_BACKWARD_LONG && b_seekable )
432             {
433                 SET_TIME( "long", -1 );
434             }
435             else if( i_action == ACTIONID_JUMP_FORWARD_LONG && b_seekable )
436             {
437                 SET_TIME( "long", 1 );
438 #undef SET_TIME
439             }
440             else if( i_action == ACTIONID_AUDIO_TRACK )
441             {
442                 vlc_value_t val, list, list2;
443                 int i_count, i;
444                 var_Get( p_input, "audio-es", &val );
445                 var_Change( p_input, "audio-es", VLC_VAR_GETCHOICES,
446                             &list, &list2 );
447                 i_count = list.p_list->i_count;
448                 if( i_count > 1 )
449                 {
450                     for( i = 0; i < i_count; i++ )
451                     {
452                         if( val.i_int == list.p_list->p_values[i].i_int )
453                         {
454                             break;
455                         }
456                     }
457                     /* value of audio-es was not in choices list */
458                     if( i == i_count )
459                     {
460                         msg_Warn( p_input,
461                                   "invalid current audio track, selecting 0" );
462                         i = 0;
463                     }
464                     else if( i == i_count - 1 )
465                         i = 1;
466                     else
467                         i++;
468                     var_Set( p_input, "audio-es", list.p_list->p_values[i] );
469                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
470                                     _("Audio track: %s"),
471                                     list2.p_list->p_values[i].psz_string );
472                 }
473                 var_FreeList( &list, &list2 );
474             }
475             else if( i_action == ACTIONID_SUBTITLE_TRACK )
476             {
477                 vlc_value_t val, list, list2;
478                 int i_count, i;
479                 var_Get( p_input, "spu-es", &val );
480
481                 var_Change( p_input, "spu-es", VLC_VAR_GETCHOICES,
482                             &list, &list2 );
483                 i_count = list.p_list->i_count;
484                 if( i_count <= 1 )
485                 {
486                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
487                                     _("Subtitle track: %s"), _("N/A") );
488                     var_FreeList( &list, &list2 );
489                     goto cleanup_and_continue;
490                 }
491                 for( i = 0; i < i_count; i++ )
492                 {
493                     if( val.i_int == list.p_list->p_values[i].i_int )
494                     {
495                         break;
496                     }
497                 }
498                 /* value of spu-es was not in choices list */
499                 if( i == i_count )
500                 {
501                     msg_Warn( p_input,
502                               "invalid current subtitle track, selecting 0" );
503                     i = 0;
504                 }
505                 else if( i == i_count - 1 )
506                     i = 0;
507                 else
508                     i++;
509                 var_Set( p_input, "spu-es", list.p_list->p_values[i] );
510                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
511                                 _("Subtitle track: %s"),
512                                 list2.p_list->p_values[i].psz_string );
513                 var_FreeList( &list, &list2 );
514             }
515             else if( i_action == ACTIONID_ASPECT_RATIO && p_vout )
516             {
517                 vlc_value_t val={0}, val_list, text_list;
518                 var_Get( p_vout, "aspect-ratio", &val );
519                 if( var_Change( p_vout, "aspect-ratio", VLC_VAR_GETLIST,
520                                 &val_list, &text_list ) >= 0 )
521                 {
522                     int i;
523                     for( i = 0; i < val_list.p_list->i_count; i++ )
524                     {
525                         if( !strcmp( val_list.p_list->p_values[i].psz_string,
526                                      val.psz_string ) )
527                         {
528                             i++;
529                             break;
530                         }
531                     }
532                     if( i == val_list.p_list->i_count ) i = 0;
533                     var_SetString( p_vout, "aspect-ratio",
534                                    val_list.p_list->p_values[i].psz_string );
535                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
536                                     _("Aspect ratio: %s"),
537                                     text_list.p_list->p_values[i].psz_string );
538
539                     var_FreeList( &val_list, &text_list );
540                 }
541                 free( val.psz_string );
542             }
543             else if( i_action == ACTIONID_CROP && p_vout )
544             {
545                 vlc_value_t val={0}, val_list, text_list;
546                 var_Get( p_vout, "crop", &val );
547                 if( var_Change( p_vout, "crop", VLC_VAR_GETLIST,
548                                 &val_list, &text_list ) >= 0 )
549                 {
550                     int i;
551                     for( i = 0; i < val_list.p_list->i_count; i++ )
552                     {
553                         if( !strcmp( val_list.p_list->p_values[i].psz_string,
554                                      val.psz_string ) )
555                         {
556                             i++;
557                             break;
558                         }
559                     }
560                     if( i == val_list.p_list->i_count ) i = 0;
561                     var_SetString( p_vout, "crop",
562                                    val_list.p_list->p_values[i].psz_string );
563                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
564                                     _("Crop: %s"),
565                                     text_list.p_list->p_values[i].psz_string );
566
567                     var_FreeList( &val_list, &text_list );
568                 }
569                 free( val.psz_string );
570             }
571             else if( i_action == ACTIONID_TOGGLE_AUTOSCALE && p_vout )
572             {
573                 float f_scalefactor = var_GetFloat( p_vout, "scale" );
574                 if ( f_scalefactor != 1.0 )
575                 {
576                     var_SetFloat( p_vout, "scale", 1.0 );
577                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
578                                     "%s", _("Zooming reset") );
579                 }
580                 else
581                 {
582                     bool b_autoscale = !var_GetBool( p_vout, "autoscale" );
583                     var_SetBool( p_vout, "autoscale", b_autoscale );
584                     if( b_autoscale )
585                         DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
586                                         "%s", _("Scaled to screen") );
587                     else
588                         DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
589                                         "%s", _("Original Size") );
590                 }
591             }
592             else if( i_action == ACTIONID_SCALE_UP && p_vout )
593             {
594                float f_scalefactor;
595
596                f_scalefactor = var_GetFloat( p_vout, "scale" );
597                if( f_scalefactor < 10. )
598                    f_scalefactor += .1;
599                var_SetFloat( p_vout, "scale", f_scalefactor );
600             }
601             else if( i_action == ACTIONID_SCALE_DOWN && p_vout )
602             {
603                float f_scalefactor;
604
605                f_scalefactor = var_GetFloat( p_vout, "scale" );
606                if( f_scalefactor > .3 )
607                    f_scalefactor -= .1;
608                var_SetFloat( p_vout, "scale", f_scalefactor );
609             }
610             else if( i_action == ACTIONID_DEINTERLACE && p_vout )
611             {
612                 int i_deinterlace = var_GetInteger( p_vout, "deinterlace" );
613                 if( i_deinterlace != 0 )
614                 {
615                     var_SetInteger( p_vout, "deinterlace", 0 );
616                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
617                                     "%s", _("Deinterlace off") );
618                 }
619                 else
620                 {
621                     var_SetInteger( p_vout, "deinterlace", 1 );
622
623                     char *psz_mode = var_GetString( p_vout, "deinterlace-mode" );
624                     vlc_value_t vlist, tlist;
625                     if( psz_mode && !var_Change( p_vout, "deinterlace-mode", VLC_VAR_GETCHOICES, &vlist, &tlist ) >= 0 )
626                     {
627                         const char *psz_text = NULL;
628                         for( int i = 0; i < vlist.p_list->i_count; i++ )
629                         {
630                             if( !strcmp( vlist.p_list->p_values[i].psz_string, psz_mode ) )
631                             {
632                                 psz_text = tlist.p_list->p_values[i].psz_string;
633                                 break;
634                             }
635                         }
636                         DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
637                                         "%s (%s)", _("Deinterlace on"), psz_text ? psz_text : psz_mode );
638
639                         var_FreeList( &vlist, &tlist );
640                     }
641                     free( psz_mode );
642                 }
643             }
644             else if( ( i_action == ACTIONID_ZOOM ||
645                        i_action == ACTIONID_UNZOOM ) && p_vout )
646             {
647                 vlc_value_t val={0}, val_list, text_list;
648                 var_Get( p_vout, "zoom", &val );
649                 if( var_Change( p_vout, "zoom", VLC_VAR_GETLIST,
650                                 &val_list, &text_list ) >= 0 )
651                 {
652                     int i;
653                     for( i = 0; i < val_list.p_list->i_count; i++ )
654                     {
655                         if( val_list.p_list->p_values[i].f_float
656                            == val.f_float )
657                         {
658                             if( i_action == ACTIONID_ZOOM )
659                                 i++;
660                             else /* ACTIONID_UNZOOM */
661                                 i--;
662                             break;
663                         }
664                     }
665                     if( i == val_list.p_list->i_count ) i = 0;
666                     if( i == -1 ) i = val_list.p_list->i_count-1;
667                     var_SetFloat( p_vout, "zoom",
668                                   val_list.p_list->p_values[i].f_float );
669                     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
670                                     _("Zoom mode: %s"),
671                                     text_list.p_list->p_values[i].psz_string );
672
673                     var_FreeList( &val_list, &text_list );
674                 }
675             }
676             else if( i_action == ACTIONID_CROP_TOP && p_vout )
677                 var_IncInteger( p_vout, "crop-top" );
678             else if( i_action == ACTIONID_UNCROP_TOP && p_vout )
679                 var_DecInteger( p_vout, "crop-top" );
680             else if( i_action == ACTIONID_CROP_BOTTOM && p_vout )
681                 var_IncInteger( p_vout, "crop-bottom" );
682             else if( i_action == ACTIONID_UNCROP_BOTTOM && p_vout )
683                  var_DecInteger( p_vout, "crop-bottom" );
684             else if( i_action == ACTIONID_CROP_LEFT && p_vout )
685                  var_IncInteger( p_vout, "crop-left" );
686             else if( i_action == ACTIONID_UNCROP_LEFT && p_vout )
687                  var_DecInteger( p_vout, "crop-left" );
688             else if( i_action == ACTIONID_CROP_RIGHT && p_vout )
689                  var_IncInteger( p_vout, "crop-right" );
690             else if( i_action == ACTIONID_UNCROP_RIGHT && p_vout )
691                  var_DecInteger( p_vout, "crop-right" );
692
693             else if( i_action == ACTIONID_NEXT )
694             {
695                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", _("Next") );
696                 playlist_Next( p_playlist );
697             }
698             else if( i_action == ACTIONID_PREV )
699             {
700                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s",
701                                 _("Previous") );
702                 playlist_Prev( p_playlist );
703             }
704             else if( i_action == ACTIONID_STOP )
705             {
706                 playlist_Stop( p_playlist );
707             }
708             else if( i_action == ACTIONID_FRAME_NEXT )
709             {
710                 var_TriggerCallback( p_input, "frame-next" );
711                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
712                                 "%s", _("Next frame") );
713             }
714             else if( i_action == ACTIONID_RATE_NORMAL )
715             {
716                 var_SetFloat( p_playlist, "rate", 1. );
717                 DisplayRate( p_vout, var_GetFloat( p_input, "rate" ) );
718             }
719             else if( i_action == ACTIONID_FASTER )
720             {
721                 var_TriggerCallback( p_playlist, "rate-faster" );
722                 DisplayRate( p_vout, var_GetFloat( p_input, "rate" ) );
723             }
724             else if( i_action == ACTIONID_SLOWER )
725             {
726                 var_TriggerCallback( p_playlist, "rate-slower" );
727                 DisplayRate( p_vout, var_GetFloat( p_input, "rate" ) );
728             }
729             else if( i_action == ACTIONID_RATE_FASTER_FINE ||
730                      i_action == ACTIONID_RATE_SLOWER_FINE )
731             {
732                 const int i_dir = i_action == ACTIONID_RATE_FASTER_FINE ? 1 : -1;
733                 float f_newrate = AdjustRateFine( p_input, i_dir );
734
735                 var_SetFloat( p_playlist, "rate", f_newrate );
736                 DisplayRate( p_vout, f_newrate );
737             }
738             else if( i_action == ACTIONID_POSITION )
739             {
740                 if( ( !p_vout || vout_OSDEpg( p_vout, input_GetItem( p_input ) ) ) && b_seekable )
741                     DisplayPosition( p_intf, p_vout, p_input );
742             }
743             else if( i_action >= ACTIONID_PLAY_BOOKMARK1 &&
744                      i_action <= ACTIONID_PLAY_BOOKMARK10 )
745             {
746                 PlayBookmark( p_intf, i_action - ACTIONID_PLAY_BOOKMARK1 + 1 );
747             }
748             else if( i_action >= ACTIONID_SET_BOOKMARK1 &&
749                      i_action <= ACTIONID_SET_BOOKMARK10 )
750             {
751                 SetBookmark( p_intf, i_action - ACTIONID_SET_BOOKMARK1 + 1 );
752             }
753             /* Only makes sense with DVD */
754             else if( i_action == ACTIONID_TITLE_PREV )
755                 var_TriggerCallback( p_input, "prev-title" );
756             else if( i_action == ACTIONID_TITLE_NEXT )
757                 var_TriggerCallback( p_input, "next-title" );
758             else if( i_action == ACTIONID_CHAPTER_PREV )
759                 var_TriggerCallback( p_input, "prev-chapter" );
760             else if( i_action == ACTIONID_CHAPTER_NEXT )
761                 var_TriggerCallback( p_input, "next-chapter" );
762             else if( i_action == ACTIONID_DISC_MENU )
763                 var_SetInteger( p_input, "title  0", 2 );
764
765             else if( i_action == ACTIONID_SUBDELAY_DOWN )
766             {
767                 int64_t i_delay = var_GetTime( p_input, "spu-delay" );
768                 i_delay -= 50000;    /* 50 ms */
769                 var_SetTime( p_input, "spu-delay", i_delay );
770                 ClearChannels( p_intf, p_vout );
771                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
772                                 _( "Subtitle delay %i ms" ),
773                                 (int)(i_delay/1000) );
774             }
775             else if( i_action == ACTIONID_SUBDELAY_UP )
776             {
777                 int64_t i_delay = var_GetTime( p_input, "spu-delay" );
778                 i_delay += 50000;    /* 50 ms */
779                 var_SetTime( p_input, "spu-delay", i_delay );
780                 ClearChannels( p_intf, p_vout );
781                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
782                                 _( "Subtitle delay %i ms" ),
783                                  (int)(i_delay/1000) );
784             }
785             else if( ( i_action == ACTIONID_SUBPOS_DOWN ||
786                        i_action == ACTIONID_SUBPOS_UP ) && p_vout )
787             {
788                 int i_pos;
789                 if( i_action == ACTIONID_SUBPOS_DOWN )
790                     i_pos = var_DecInteger( p_vout, "sub-margin" );
791                 else
792                     i_pos = var_IncInteger( p_vout, "sub-margin" );
793
794                 ClearChannels( p_intf, p_vout );
795                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
796                                 _( "Subtitle position %i px" ),
797                                  (int)(i_pos) );
798             }
799             else if( i_action == ACTIONID_AUDIODELAY_DOWN )
800             {
801                 int64_t i_delay = var_GetTime( p_input, "audio-delay" );
802                 i_delay -= 50000;    /* 50 ms */
803                 var_SetTime( p_input, "audio-delay", i_delay );
804                 ClearChannels( p_intf, p_vout );
805                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
806                                 _( "Audio delay %i ms" ),
807                                  (int)(i_delay/1000) );
808             }
809             else if( i_action == ACTIONID_AUDIODELAY_UP )
810             {
811                 int64_t i_delay = var_GetTime( p_input, "audio-delay" );
812                 i_delay += 50000;    /* 50 ms */
813                 var_SetTime( p_input, "audio-delay", i_delay );
814                 ClearChannels( p_intf, p_vout );
815                 DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL,
816                                 _( "Audio delay %i ms" ),
817                                  (int)(i_delay/1000) );
818             }
819             else if( i_action == ACTIONID_MENU_ON )
820             {
821                 osd_MenuShow( VLC_OBJECT(p_intf) );
822             }
823             else if( i_action == ACTIONID_MENU_OFF )
824             {
825                 osd_MenuHide( VLC_OBJECT(p_intf) );
826             }
827             else if( i_action == ACTIONID_MENU_LEFT )
828             {
829                 osd_MenuPrev( VLC_OBJECT(p_intf) );
830             }
831             else if( i_action == ACTIONID_MENU_RIGHT )
832             {
833                 osd_MenuNext( VLC_OBJECT(p_intf) );
834             }
835             else if( i_action == ACTIONID_MENU_UP )
836             {
837                 osd_MenuUp( VLC_OBJECT(p_intf) );
838             }
839             else if( i_action == ACTIONID_MENU_DOWN )
840             {
841                 osd_MenuDown( VLC_OBJECT(p_intf) );
842             }
843             else if( i_action == ACTIONID_MENU_SELECT )
844             {
845                 osd_MenuActivate( VLC_OBJECT(p_intf) );
846             }
847             else if( i_action == ACTIONID_RECORD )
848             {
849                 if( var_GetBool( p_input, "can-record" ) )
850                 {
851                     const bool b_record = var_ToggleBool( p_input, "record" );
852
853                     if( b_record )
854                         DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", _("Recording") );
855                     else
856                         DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL, "%s", _("Recording done") );
857                 }
858             }
859         }
860     }
861 cleanup_and_continue:
862     if( p_aout )
863         vlc_object_release( p_aout );
864     if( p_vout )
865         vlc_object_release( p_vout );
866     if( p_input )
867         vlc_object_release( p_input );
868     return VLC_SUCCESS;
869 }
870
871 /*****************************************************************************
872  * SpecialKeyEvent: callback for mouse events
873  *****************************************************************************/
874 static int SpecialKeyEvent( vlc_object_t *libvlc, char const *psz_var,
875                             vlc_value_t oldval, vlc_value_t newval,
876                             void *p_data )
877 {
878     intf_thread_t *p_intf = (intf_thread_t *)p_data;
879     int i_action = 0;
880
881     (void)psz_var;
882     (void)oldval;
883
884     int i_mode = p_intf->p_sys->i_mousewheel_mode;
885
886     /* Special action for mouse event */
887     /* FIXME: rework hotkeys handling to allow more than 1 event
888      * to trigger one same action */
889     switch (newval.i_int & ~KEY_MODIFIER)
890     {
891         case KEY_MOUSEWHEELUP:
892             i_action = (i_mode == MOUSEWHEEL_VOLUME ) ? ACTIONID_VOL_UP
893                                  : ACTIONID_JUMP_FORWARD_EXTRASHORT;
894             break;
895         case KEY_MOUSEWHEELDOWN:
896             i_action = (i_mode == MOUSEWHEEL_VOLUME ) ? ACTIONID_VOL_DOWN
897                                 : ACTIONID_JUMP_BACKWARD_EXTRASHORT;
898             break;
899         case KEY_MOUSEWHEELLEFT:
900             i_action = (i_mode == MOUSEWHEEL_VOLUME ) ?
901                         ACTIONID_JUMP_BACKWARD_EXTRASHORT : ACTIONID_VOL_DOWN;
902             break;
903         case KEY_MOUSEWHEELRIGHT:
904             i_action = (i_mode == MOUSEWHEEL_VOLUME ) ?
905                         ACTIONID_JUMP_FORWARD_EXTRASHORT : ACTIONID_VOL_UP;
906             break;
907         case KEY_MENU:
908             var_SetBool( libvlc, "intf-popupmenu", true );
909             break;
910     }
911
912     if( i_mode == NO_MOUSEWHEEL ) return VLC_SUCCESS;
913
914     if( i_action )
915         return PutAction( p_intf, i_action );
916     return VLC_SUCCESS;
917 }
918
919 /*****************************************************************************
920  * ActionEvent: callback for hotkey actions
921  *****************************************************************************/
922 static int ActionEvent( vlc_object_t *libvlc, char const *psz_var,
923                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
924 {
925     intf_thread_t *p_intf = (intf_thread_t *)p_data;
926
927     (void)libvlc;
928     (void)psz_var;
929     (void)oldval;
930
931     return PutAction( p_intf, newval.i_int );
932 }
933
934 static void PlayBookmark( intf_thread_t *p_intf, int i_num )
935 {
936     char *psz_bookmark_name;
937     if( asprintf( &psz_bookmark_name, "bookmark%i", i_num ) == -1 )
938         return;
939
940     playlist_t *p_playlist = pl_Get( p_intf );
941     char *psz_bookmark = var_CreateGetString( p_intf, psz_bookmark_name );
942
943     PL_LOCK;
944     FOREACH_ARRAY( playlist_item_t *p_item, p_playlist->items )
945         char *psz_uri = input_item_GetURI( p_item->p_input );
946         if( !strcmp( psz_bookmark, psz_uri ) )
947         {
948             free( psz_uri );
949             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, pl_Locked,
950                               NULL, p_item );
951             break;
952         }
953         else
954             free( psz_uri );
955     FOREACH_END();
956     PL_UNLOCK;
957
958     free( psz_bookmark );
959     free( psz_bookmark_name );
960 }
961
962 static void SetBookmark( intf_thread_t *p_intf, int i_num )
963 {
964     char *psz_bookmark_name;
965     char *psz_uri = NULL;
966     if( asprintf( &psz_bookmark_name, "bookmark%i", i_num ) == -1 )
967         return;
968
969     playlist_t *p_playlist = pl_Get( p_intf );
970     var_Create( p_intf, psz_bookmark_name,
971                 VLC_VAR_STRING|VLC_VAR_DOINHERIT );
972
973     PL_LOCK;
974     playlist_item_t * p_item = playlist_CurrentPlayingItem( p_playlist );
975     if( p_item ) psz_uri = input_item_GetURI( p_item->p_input );
976     PL_UNLOCK;
977
978     if( p_item )
979     {
980         config_PutPsz( p_intf, psz_bookmark_name, psz_uri);
981         msg_Info( p_intf, "setting playlist bookmark %i to %s", i_num, psz_uri);
982     }
983
984     free( psz_uri );
985     free( psz_bookmark_name );
986 }
987
988 static void DisplayPosition( intf_thread_t *p_intf, vout_thread_t *p_vout,
989                              input_thread_t *p_input )
990 {
991     char psz_duration[MSTRTIME_MAX_SIZE];
992     char psz_time[MSTRTIME_MAX_SIZE];
993     vlc_value_t time, pos;
994     mtime_t i_seconds;
995
996     if( p_vout == NULL ) return;
997
998     ClearChannels( p_intf, p_vout );
999
1000     var_Get( p_input, "time", &time );
1001     i_seconds = time.i_time / 1000000;
1002     secstotimestr ( psz_time, i_seconds );
1003
1004     var_Get( p_input, "length", &time );
1005     if( time.i_time > 0 )
1006     {
1007         secstotimestr( psz_duration, time.i_time / 1000000 );
1008         DisplayMessage( p_vout, POSITION_TEXT_CHAN, "%s / %s",
1009                         psz_time, psz_duration );
1010     }
1011     else if( i_seconds > 0 )
1012     {
1013         DisplayMessage( p_vout, POSITION_TEXT_CHAN, "%s", psz_time );
1014     }
1015
1016     if( var_GetBool( p_vout, "fullscreen" ) )
1017     {
1018         var_Get( p_input, "position", &pos );
1019         vout_OSDSlider( p_vout, POSITION_WIDGET_CHAN,
1020                         pos.f_float * 100, OSD_HOR_SLIDER );
1021     }
1022 }
1023
1024 static void DisplayVolume( intf_thread_t *p_intf, vout_thread_t *p_vout,
1025                            audio_volume_t i_vol )
1026 {
1027     if( p_vout == NULL )
1028     {
1029         return;
1030     }
1031     ClearChannels( p_intf, p_vout );
1032
1033     if( var_GetBool( p_vout, "fullscreen" ) )
1034     {
1035         vout_OSDSlider( p_vout, VOLUME_WIDGET_CHAN,
1036             i_vol*100/AOUT_VOLUME_MAX, OSD_VERT_SLIDER );
1037     }
1038     DisplayMessage( p_vout, VOLUME_TEXT_CHAN, _( "Volume %d%%" ),
1039                     i_vol*100/AOUT_VOLUME_DEFAULT );
1040 }
1041
1042 static void DisplayRate( vout_thread_t *p_vout, float f_rate )
1043 {
1044     DisplayMessage( p_vout, SPU_DEFAULT_CHANNEL, _("Speed: %.2fx"), f_rate );
1045 }
1046
1047 static float AdjustRateFine( input_thread_t *p_input, const int i_dir )
1048 {
1049     const float f_rate_min = (float)INPUT_RATE_DEFAULT / INPUT_RATE_MAX;
1050     const float f_rate_max = (float)INPUT_RATE_DEFAULT / INPUT_RATE_MIN;
1051     float f_rate = var_GetFloat( p_input, "rate" );
1052
1053     int i_sign = f_rate < 0 ? -1 : 1;
1054
1055     f_rate = floor( fabs(f_rate) / 0.1 + i_dir + 0.05 ) * 0.1;
1056
1057     if( f_rate < f_rate_min )
1058         f_rate = f_rate_min;
1059     else if( f_rate > f_rate_max )
1060         f_rate = f_rate_max;
1061     f_rate *= i_sign;
1062
1063     return f_rate;
1064 }
1065
1066 static void ClearChannels( intf_thread_t *p_intf, vout_thread_t *p_vout )
1067 {
1068     if( p_vout )
1069     {
1070         vout_FlushSubpictureChannel( p_vout, SPU_DEFAULT_CHANNEL );
1071         for( int i = 0; i < CHANNELS_NUMBER; i++ )
1072             vout_FlushSubpictureChannel( p_vout, p_intf->p_sys->p_channels[i]  );
1073     }
1074 }