* modules/gui/macosx/prefs.m: fixed the module selectors.
[vlc.git] / modules / gui / macosx / prefs.m
1 /*****************************************************************************
2  * prefs.m: MacOS X plugin for vlc
3  *****************************************************************************
4  * Copyright (C) 2002-2003 VideoLAN
5  * $Id: prefs.m,v 1.29 2003/05/26 02:03:10 hartman Exp $
6  *
7  * Authors:     Jon Lech Johansen <jon-vl@nanocrew.net>
8  *              Derk-Jan Hartman <thedj at users.sf.net>
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., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <stdlib.h>                                      /* malloc(), free() */
29 #include <sys/param.h>                                    /* for MAXPATHLEN */
30 #include <string.h>
31
32 #include "intf.h"
33 #include "prefs.h"
34
35 /*****************************************************************************
36  * VLCPrefs implementation
37  *****************************************************************************/
38 @implementation VLCPrefs
39
40 - (id)init
41 {
42     self = [super init];
43
44     if( self != nil )
45     {
46         o_empty_view = [[NSView alloc] init];
47     }
48
49     return( self );
50 }
51
52 - (void)dealloc
53 {
54     [o_empty_view release];
55     [super dealloc];
56 }
57
58 - (void)awakeFromNib
59 {
60     p_intf = [NSApp getIntf];
61     b_advanced = config_GetInt( p_intf, "advanced" );
62
63     [self initStrings];
64     [o_advanced_ckb setState: b_advanced];
65     [o_prefs_view setBorderType: NSGrooveBorder];
66     [o_prefs_view setHasVerticalScroller: YES];
67     [o_prefs_view setDrawsBackground: NO];
68     [o_prefs_view setRulersVisible: YES];
69     [o_prefs_view setDocumentView: o_empty_view];
70     [o_tree selectRow:0 byExtendingSelection:NO];
71 }
72
73 - (void)initStrings
74 {
75     [o_prefs_window setTitle: _NS("Preferences")];
76     [o_save_btn setTitle: _NS("Save")];
77     [o_cancel_btn setTitle: _NS("Cancel")];
78     [o_reset_btn setTitle: _NS("Reset All")];
79     [o_advanced_ckb setTitle: _NS("Advanced")];
80 }
81
82 - (void)showPrefs
83 {
84     [o_prefs_window center];
85     [o_prefs_window makeKeyAndOrderFront:self];
86 }
87
88 - (IBAction)savePrefs: (id)sender
89 {
90     config_SaveConfigFile( p_intf, NULL );
91     [o_prefs_window orderOut:self];
92 }
93
94 - (IBAction)closePrefs: (id)sender
95 {
96     [o_prefs_window orderOut:self];
97 }
98
99 - (IBAction)resetAll: (id)sender
100 {
101     config_ResetAll( p_intf );
102 }
103
104 - (IBAction)advancedToggle: (id)sender
105 {
106     b_advanced = !b_advanced;
107     [o_advanced_ckb setState: b_advanced];
108     [self showViewForID: [[o_tree itemAtRow:[o_tree selectedRow]] getObjectID]
109         andName: [[o_tree itemAtRow:[o_tree selectedRow]] getName]];
110 }
111
112 - (void)loadConfigTree
113 {
114     
115 }
116
117 - (void)outlineViewSelectionIsChanging:(NSNotification *)o_notification
118 {
119 }
120
121 - (void)outlineViewSelectionDidChange:(NSNotification *)o_notification
122 {
123     [self showViewForID: [[o_tree itemAtRow:[o_tree selectedRow]] getObjectID]
124         andName: [[o_tree itemAtRow:[o_tree selectedRow]] getName]];
125 }
126
127 - (void)configChanged:(id)o_unknown
128 {
129     id o_vlc_config = [o_unknown isKindOfClass: [NSNotification class]] ?
130                       [o_unknown object] : o_unknown;
131
132     int i_type = [o_vlc_config configType];
133     NSString *o_name = [o_vlc_config configName];
134     char *psz_name = (char *)[o_name UTF8String];
135
136     switch( i_type )
137     {
138
139     case CONFIG_ITEM_MODULE:
140         {
141             char *psz_value;
142             module_t *p_a_module;
143             int i_id = [[o_vlc_config selectedItem] tag];
144             
145             p_a_module = (module_t *)vlc_object_get( p_intf, i_id );
146             if( p_a_module == NULL || p_a_module->i_object_type != VLC_OBJECT_MODULE )
147             {
148                 i_id = -1;
149             }
150             
151             psz_value = ( i_id == -1 ) ? "" :  p_a_module->psz_object_name ;
152             config_PutPsz( p_intf, psz_name, strdup(psz_value) );
153         }
154         break;
155
156     case CONFIG_ITEM_STRING:
157     case CONFIG_ITEM_FILE:
158     case CONFIG_ITEM_DIRECTORY:
159         {
160             char *psz_value;
161             NSString *o_value;
162
163             o_value = [o_vlc_config stringValue];
164             psz_value = (char *)[o_value UTF8String];
165
166             config_PutPsz( p_intf, psz_name, psz_value );
167         }
168         break;
169
170     case CONFIG_ITEM_INTEGER:
171     case CONFIG_ITEM_BOOL:
172         {
173             int i_value = [o_vlc_config intValue];
174
175             config_PutInt( p_intf, psz_name, i_value );
176         }
177         break;
178
179     case CONFIG_ITEM_FLOAT:
180         {
181             float f_value = [o_vlc_config floatValue];
182
183             config_PutFloat( p_intf, psz_name, f_value );
184         }
185         break;
186
187     }
188 }
189
190 - (void)showViewForID: (int)i_id andName: (NSString *)o_item_name
191 {
192     vlc_list_t *p_list;
193     module_t *p_parser;
194     module_config_t *p_item;
195     
196     int i_pos, i_module_tag, i_index;
197     
198     NSString *o_module_name;
199     NSRect s_rc;                        /* rect                         */
200     NSView *o_view;                     /* view                         */
201     NSRect s_vrc;                       /* view rect                    */
202     VLCTextField *o_text_field;         /* input field / label          */
203     
204     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
205
206     /* Get a pointer to the module */
207     p_parser = (module_t *)vlc_object_get( p_intf, i_id );
208     if( p_parser->i_object_type != VLC_OBJECT_MODULE )
209     {
210         /* 0OOoo something went really bad */
211         return;
212     }
213     
214     /* Enumerate config options and add corresponding config boxes */
215     o_module_name = [NSString stringWithUTF8String: p_parser->psz_object_name];
216     p_item = p_parser->p_config;
217
218     i_pos = 0;
219     o_view = nil;
220     i_module_tag = 3;
221
222 #define X_ORIGIN 20
223 #define Y_ORIGIN (X_ORIGIN - 10)
224
225 #define CHECK_VIEW_HEIGHT \
226     { \
227         float f_new_pos = s_rc.origin.y + s_rc.size.height + X_ORIGIN; \
228         if( f_new_pos > s_vrc.size.height ) \
229         { \
230             s_vrc.size.height = f_new_pos; \
231             [o_view setFrame: s_vrc]; \
232         } \
233     }
234
235 #define CONTROL_LABEL( label ) \
236     { \
237         s_rc.origin.x += s_rc.size.width + 10; \
238         s_rc.size.width = s_vrc.size.width - s_rc.origin.x - X_ORIGIN - 20; \
239         o_text_field = [[NSTextField alloc] initWithFrame: s_rc]; \
240         [o_text_field setDrawsBackground: NO]; \
241         [o_text_field setBordered: NO]; \
242         [o_text_field setEditable: NO]; \
243         [o_text_field setSelectable: NO]; \
244         if ( label ) \
245         { \
246             [o_text_field setStringValue: \
247                 [NSApp localizedString: label]]; \
248         } \
249         [o_text_field sizeToFit]; \
250         [o_view addSubview: [o_text_field autorelease]]; \
251     }
252
253 #define INPUT_FIELD( ctype, cname, label, w, msg, param, tip ) \
254     { \
255         char * psz_duptip = NULL; \
256         if ( p_item->psz_longtext != NULL ) \
257             psz_duptip = vlc_wraptext( strdup( p_item->psz_longtext ), PREFS_WRAP ); \
258         s_rc.size.height = 25; \
259         s_rc.size.width = w; \
260         s_rc.origin.y += 10; \
261         CHECK_VIEW_HEIGHT; \
262         o_text_field = [[VLCTextField alloc] initWithFrame: s_rc]; \
263         [o_text_field setAlignment: NSRightTextAlignment]; \
264         CONTROL_CONFIG( o_text_field, o_module_name, ctype, cname ); \
265         [o_text_field msg: param]; \
266         if ( psz_duptip != NULL ) \
267         { \
268             [o_text_field setToolTip: [NSApp localizedString: \
269                                        psz_duptip]]; \
270             free(psz_duptip);\
271         } \
272         [o_view addSubview: [o_text_field autorelease]]; \
273         [[NSNotificationCenter defaultCenter] addObserver: self \
274             selector: @selector(configChanged:) \
275             name: NSControlTextDidChangeNotification \
276             object: o_text_field]; \
277         CONTROL_LABEL( label ); \
278         s_rc.origin.y += s_rc.size.height; \
279         s_rc.origin.x = X_ORIGIN; \
280     }
281
282 #define INPUT_FIELD_INTEGER( name, label, w, param, tip ) \
283     INPUT_FIELD( CONFIG_ITEM_INTEGER, name, label, w, setIntValue, param, tip )
284 #define INPUT_FIELD_FLOAT( name, label, w, param, tip ) \
285     INPUT_FIELD( CONFIG_ITEM_FLOAT, name, label, w, setFloatValue, param, tip )
286 #define INPUT_FIELD_STRING( name, label, w, param, tip ) \
287     INPUT_FIELD( CONFIG_ITEM_STRING, name, label, w, setStringValue, param, tip )
288
289     /* Init View */
290     s_vrc = [[o_prefs_view contentView] bounds]; s_vrc.size.height -= 4;
291     o_view = [[VLCFlippedView alloc] initWithFrame: s_vrc];
292     s_rc.origin.x = X_ORIGIN;
293     s_rc.origin.y = Y_ORIGIN;
294     BOOL b_right_cat = FALSE;
295
296     if( p_item ) do
297     {
298         if( p_item->i_type == CONFIG_HINT_CATEGORY )
299         {
300             if( !strcmp( p_parser->psz_object_name, "main" ) &&
301                 [o_item_name isEqualToString: [NSApp localizedString: p_item->psz_text]] )
302             {
303                 b_right_cat = TRUE;
304             } else if( strcmp( p_parser->psz_object_name, "main" ) )
305             {
306                  b_right_cat = TRUE;
307             } else b_right_cat = FALSE; 
308         } else if( p_item->i_type == CONFIG_HINT_END && !strcmp( p_parser->psz_object_name, "main" ) )
309         {
310             b_right_cat = FALSE;
311         }
312         
313         if( (p_item->b_advanced && !b_advanced ) || !b_right_cat )
314         {
315             continue;
316         }
317         switch( p_item->i_type )
318         {
319             case CONFIG_ITEM_MODULE:
320             {
321                 VLCPopUpButton *o_modules;
322                 module_t *p_a_module;
323                 char * psz_duptip = NULL;
324
325                 if ( p_item->psz_longtext != NULL )
326                     psz_duptip = vlc_wraptext( strdup( p_item->psz_longtext ), PREFS_WRAP );
327
328                 s_rc.size.height = 30;
329                 s_rc.size.width = 200;
330                 s_rc.origin.y += 10;
331                 
332                 CHECK_VIEW_HEIGHT;
333     
334                 o_modules = [[VLCPopUpButton alloc] initWithFrame: s_rc];
335                 CONTROL_CONFIG( o_modules, o_module_name,
336                                     CONFIG_ITEM_MODULE, p_item->psz_name );
337                 [o_modules setTarget: self];
338                 [o_modules setAction: @selector(configChanged:)];
339                 [o_modules sendActionOn:NSLeftMouseUpMask];
340                 
341                 if ( psz_duptip != NULL )
342                 {
343                     [o_modules setToolTip: [NSApp localizedString: psz_duptip]];
344                     free( psz_duptip );
345                 }
346                 [o_view addSubview: [o_modules autorelease]];
347
348                 [o_modules addItemWithTitle: _NS("None")];
349                 [[o_modules lastItem] setTag: -1];
350                 [o_modules selectItem: [o_modules lastItem]];
351
352                 /* build a list of available modules */
353                 {
354                     for( i_index = 0; i_index < p_list->i_count; i_index++ )
355                     {
356                         p_a_module = (module_t *)p_list->p_values[i_index].p_object ;
357     
358                         if( !strcmp( p_a_module->psz_capability,
359                                     p_item->psz_type ) )
360                         {
361                             NSString *o_description = [NSApp
362                                 localizedString: p_a_module->psz_longname];
363                             [o_modules addItemWithTitle: o_description];
364                             [[o_modules lastItem] setTag: p_a_module->i_object_id];
365
366                             if( p_item->psz_value &&
367                                 !strcmp( p_item->psz_value, p_a_module->psz_object_name ) )
368                             {
369                                 [o_modules selectItem:[o_modules lastItem]];
370                             }
371                         }
372                     }
373                 }
374
375                 CONTROL_LABEL( p_item->psz_text );
376                 s_rc.origin.y += s_rc.size.height;
377                 s_rc.origin.x = X_ORIGIN;
378             }
379             break;
380
381             case CONFIG_ITEM_STRING:
382             case CONFIG_ITEM_FILE:
383             case CONFIG_ITEM_DIRECTORY:
384             {
385     
386                 if( !p_item->ppsz_list )
387                 {
388                     char *psz_value = p_item->psz_value ?
389                                     p_item->psz_value : "";
390     
391                     INPUT_FIELD_STRING( p_item->psz_name, p_item->psz_text, 200,
392                                         [NSApp localizedString: psz_value],
393                                         p_item->psz_longtext );
394                 }
395                 else
396                 {
397                     int i;
398                     VLCComboBox *o_combo_box;
399                     char * psz_duptip = NULL;
400                     if ( p_item->psz_longtext != NULL )
401                         psz_duptip = vlc_wraptext( strdup( p_item->psz_longtext ), PREFS_WRAP );
402     
403                     s_rc.size.height = 27;
404                     s_rc.size.width = 200;
405                     s_rc.origin.y += 10;
406     
407                     CHECK_VIEW_HEIGHT;
408     
409                     o_combo_box = [[VLCComboBox alloc] initWithFrame: s_rc];
410                     CONTROL_CONFIG( o_combo_box, o_module_name,
411                                     CONFIG_ITEM_STRING, p_item->psz_name );
412                     [o_combo_box setTarget: self];
413                     [o_combo_box setAction: @selector(configChanged:)];
414                     [o_combo_box sendActionOn:NSLeftMouseUpMask];
415
416                     if ( psz_duptip != NULL )
417                     {
418                         [o_combo_box setToolTip: [NSApp localizedString: psz_duptip]];
419                         free( psz_duptip );
420                     }
421                     [o_view addSubview: [o_combo_box autorelease]];
422                     
423                     for( i=0; p_item->ppsz_list[i]; i++ )
424                     {
425                         [o_combo_box addItemWithObjectValue:
426                             [NSApp localizedString: p_item->ppsz_list[i]]];
427                     }
428                     [o_combo_box setStringValue: [NSApp localizedString: 
429                         p_item->psz_value ? p_item->psz_value : ""]];
430     
431                     CONTROL_LABEL( p_item->psz_text );
432     
433                     s_rc.origin.y += s_rc.size.height;
434                     s_rc.origin.x = X_ORIGIN;
435                 }
436     
437             }
438             break;
439     
440             case CONFIG_ITEM_INTEGER:
441             {
442                 if( p_item->i_min == p_item->i_max )
443                 {
444                     INPUT_FIELD_INTEGER( p_item->psz_name, p_item->psz_text, 70,
445                         p_item->i_value, p_item->psz_longtext );
446                 }
447                 else
448                 {
449                     /*create a slider */
450                     VLCSlider *o_slider;
451                     char * psz_duptip = NULL;
452                     if ( p_item->psz_longtext != NULL )
453                         psz_duptip = vlc_wraptext( strdup( p_item->psz_longtext ), PREFS_WRAP );
454         
455                     s_rc.size.height = 27;
456                     s_rc.size.width = 200;
457                     s_rc.origin.y += 10;
458         
459                     CHECK_VIEW_HEIGHT;
460         
461                     o_slider = [[VLCSlider alloc] initWithFrame: s_rc];
462                     [o_slider setMinValue: p_item->i_min];
463                     [o_slider setMaxValue: p_item->i_max];
464                     [o_slider setIntValue: p_item->i_value];
465
466                     if ( psz_duptip != NULL )
467                     {
468                         [o_slider setToolTip: [NSApp localizedString: psz_duptip]];
469                         free( psz_duptip );
470                     }
471                     [o_slider setTarget: self];
472                     [o_slider setAction: @selector(configChanged:)];
473                     [o_slider sendActionOn:NSLeftMouseUpMask];
474                     CONTROL_CONFIG( o_slider, o_module_name,
475                                     CONFIG_ITEM_INTEGER, p_item->psz_name );
476                     [o_view addSubview: [o_slider autorelease]];
477                     CONTROL_LABEL( p_item->psz_text );
478         
479                     s_rc.origin.y += s_rc.size.height;
480                     s_rc.origin.x = X_ORIGIN;
481                 }
482             }
483             break;
484     
485             case CONFIG_ITEM_FLOAT:
486             {
487                 if( p_item->f_min == p_item->f_max )
488                 {
489                     INPUT_FIELD_FLOAT( p_item->psz_name, p_item->psz_text, 70,
490                         p_item->f_value, p_item->psz_longtext );
491                 }
492                 else
493                 {
494                     /* create a slider */
495                     VLCSlider *o_slider;
496                     char * psz_duptip = NULL;
497                     if ( p_item->psz_longtext != NULL )
498                         psz_duptip = vlc_wraptext( strdup( p_item->psz_longtext ), PREFS_WRAP );
499         
500                     s_rc.size.height = 27;
501                     s_rc.size.width = 200;
502                     s_rc.origin.y += 10;
503         
504                     CHECK_VIEW_HEIGHT;
505         
506                     o_slider = [[VLCSlider alloc] initWithFrame: s_rc];
507                     [o_slider setMinValue: p_item->f_min];
508                     [o_slider setMaxValue: p_item->f_max];
509                     [o_slider setFloatValue: p_item->f_value];
510
511                     if ( psz_duptip != NULL )
512                     {
513                         [o_slider setToolTip: [NSApp localizedString: psz_duptip]];
514                         free( psz_duptip );
515                     }
516                     [o_slider setTarget: self];
517                     [o_slider setAction: @selector(configChanged:)];
518                     [o_slider sendActionOn:NSLeftMouseUpMask];
519                     CONTROL_CONFIG( o_slider, o_module_name,
520                                     CONFIG_ITEM_FLOAT, p_item->psz_name );
521                     [o_view addSubview: [o_slider autorelease]];
522                     CONTROL_LABEL( p_item->psz_text );
523         
524                     s_rc.origin.y += s_rc.size.height;
525                     s_rc.origin.x = X_ORIGIN;
526                 }
527             }
528             break;
529     
530             case CONFIG_ITEM_BOOL:
531             {
532                 VLCButton *o_btn_bool;
533                 char * psz_duptip = NULL;
534
535                 if ( p_item->psz_longtext != NULL )
536                     psz_duptip = vlc_wraptext( strdup( p_item->psz_longtext ), PREFS_WRAP );
537     
538                 s_rc.size.height = 27;
539                 s_rc.size.width = s_vrc.size.width - X_ORIGIN * 2 - 20;
540                 s_rc.origin.y += 10;
541     
542                 CHECK_VIEW_HEIGHT;
543     
544                 o_btn_bool = [[VLCButton alloc] initWithFrame: s_rc];
545                 [o_btn_bool setButtonType: NSSwitchButton];
546                 [o_btn_bool setIntValue: p_item->i_value];
547                 [o_btn_bool setTitle: [NSApp localizedString: p_item->psz_text]];
548                 if ( psz_duptip != NULL )
549                 {
550                     [o_btn_bool setToolTip: [NSApp localizedString: psz_duptip]];
551                     free( psz_duptip );
552                 }
553                 [o_btn_bool setTarget: self];
554                 [o_btn_bool setAction: @selector(configChanged:)];
555                 CONTROL_CONFIG( o_btn_bool, o_module_name,
556                                 CONFIG_ITEM_BOOL, p_item->psz_name );
557                 [o_view addSubview: [o_btn_bool autorelease]];
558     
559                 s_rc.origin.y += s_rc.size.height;
560             }
561             break;
562     
563             }
564     
565     #undef INPUT_FIELD_INTEGER
566     #undef INPUT_FIELD_FLOAT
567     #undef INPUT_FIELD_STRING
568     #undef INPUT_FIELD
569     #undef CHECK_VIEW_HEIGHT
570     #undef CONTROL_LABEL
571     #undef Y_ORIGIN
572     #undef X_ORIGIN
573         }
574         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
575         vlc_list_release( p_list );
576     
577     [o_prefs_view setDocumentView: o_view];
578     [o_prefs_view setNeedsDisplay: TRUE];
579 }
580
581
582 @end
583
584 @implementation VLCPrefs (NSTableDataSource)
585
586 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
587     return (item == nil) ? [[VLCTreeItem rootItem] numberOfChildren] : [item numberOfChildren];
588 }
589
590 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
591     return (item == nil) ? YES : ([item numberOfChildren] != -1);
592 }
593
594 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item {
595     return (item == nil) ? [[VLCTreeItem rootItem] childAtIndex:index] : [item childAtIndex:index];
596 }
597
598 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item {
599     return (item == nil) ? @"" : (id)[item getName];
600 }
601
602 @end
603
604 @implementation VLCTreeItem
605
606 static VLCTreeItem *o_root_item = nil;
607
608 #define IsALeafNode ((id)-1)
609
610 - (id)initWithName: (NSString *)o_item_name ID: (int)i_id parent:(VLCTreeItem *)o_parent_item
611 {
612     self = [super init];
613
614     if( self != nil )
615     {
616         o_name = [o_item_name copy];
617         i_object_id = i_id;
618         o_parent = o_parent_item;
619     }
620     return( self );
621 }
622
623 + (VLCTreeItem *)rootItem {
624    if (o_root_item == nil) o_root_item = [[VLCTreeItem alloc] initWithName:@"main" ID: 0 parent:nil];
625    return o_root_item;       
626 }
627
628 - (void)dealloc
629 {
630     if (o_children != IsALeafNode) [o_children release];
631     [o_name release];
632     [super dealloc];
633 }
634
635 /* Creates and returns the array of children
636  * Loads children incrementally */
637 - (NSArray *)children {
638     if (o_children == NULL) {
639         intf_thread_t *p_intf = [NSApp getIntf];
640         vlc_list_t      *p_list;
641         module_t        *p_module = NULL;
642         module_config_t *p_item;
643         int i_index,j;
644
645         /* List the plugins */
646         p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
647         if( !p_list ) return nil;
648
649         if( [[self getName] isEqualToString: @"main"] )
650         {
651             /*
652             * Build a tree of the main options
653             */
654             for( i_index = 0; i_index < p_list->i_count; i_index++ )
655             {
656                 p_module = (module_t *)p_list->p_values[i_index].p_object;
657                 if( !strcmp( p_module->psz_object_name, "main" ) )
658                     break;
659             }
660             if( p_module == NULL )
661             {
662                 msg_Err( p_intf, "Could not find the main module in our prefs" );
663                 return nil;
664             }
665             if( i_index < p_list->i_count )
666             {
667                 /* We found the main module */
668         
669                 /* Enumerate config categories and store a reference so we can
670                  * generate their config panel them when it is asked by the user. */
671                 p_item = p_module->p_config;
672                 o_children = [[NSMutableArray alloc] initWithCapacity:10];
673
674                 if( p_item ) do
675                 {
676                     NSString *o_child_name;
677                     
678                     switch( p_item->i_type )
679                     {
680                     case CONFIG_HINT_CATEGORY:
681                         o_child_name = [NSApp localizedString: p_item->psz_text];
682                         [o_children addObject:[[VLCTreeItem alloc] initWithName: o_child_name
683                             ID: p_module->i_object_id parent:self]];
684                         break;
685                     }
686                 }
687                 while( p_item->i_type != CONFIG_HINT_END && p_item++ );
688                 
689                 /* Add the plugins item */
690                 [o_children addObject:[[VLCTreeItem alloc] initWithName: _NS("Modules")
691                     ID: 0 parent:self]];
692             }
693             else
694             {
695                 o_children = IsALeafNode;
696             }
697         }
698         else if( [[self getName] isEqualToString: _NS("Modules")] )
699         {
700             /* Add the capabilities */
701             o_children = [[NSMutableArray alloc] initWithCapacity:10];
702             for( i_index = 0; i_index < p_list->i_count; i_index++ )
703             {
704                 p_module = (module_t *)p_list->p_values[i_index].p_object;
705         
706                 /* Exclude the main module */
707                 if( !strcmp( p_module->psz_object_name, "main" ) )
708                     continue;
709         
710                 /* Exclude empty plugins */
711                 p_item = p_module->p_config;
712                 if( !p_item ) continue;
713                 do
714                 {
715                     if( p_item->i_type & CONFIG_ITEM )
716                         break;
717                 }
718                 while( p_item->i_type != CONFIG_HINT_END && p_item++ );
719                 if( p_item->i_type == CONFIG_HINT_END ) continue;
720         
721                 /* Create the capability tree if it doesn't already exist */
722                 NSString *o_capability;
723                 o_capability = [NSApp localizedString: p_module->psz_capability];
724                 if( !p_module->psz_capability || !*p_module->psz_capability )
725                 {
726                     /* Empty capability ? Let's look at the submodules */
727                     module_t * p_submodule;
728                     for( j = 0; j < p_module->i_children; j++ )
729                     {
730                         p_submodule = (module_t*)p_module->pp_children[ j ];
731                         if( p_submodule->psz_capability && *p_submodule->psz_capability )
732                         {
733                             o_capability = [NSApp localizedString: p_submodule->psz_capability];
734                             BOOL b_found = FALSE;
735                             for( j = 0; j < [o_children count]; j++ )
736                             {
737                                 if( [[[o_children objectAtIndex:j] getName] isEqualToString: o_capability] )
738                                 {
739                                     b_found = TRUE;
740                                     break;
741                                 }
742                             }
743                             if( !b_found )
744                             {
745                                 [o_children addObject:[[VLCTreeItem alloc] initWithName: o_capability
746                                 ID: 0 parent:self]];
747                             }
748                         }
749                     }
750                 }
751
752                 BOOL b_found = FALSE;
753                 for( j = 0; j < [o_children count]; j++ )
754                 {
755                     if( [[[o_children objectAtIndex:j] getName] isEqualToString: o_capability] )
756                     {
757                         b_found = TRUE;
758                         break;
759                     }
760                 }
761                 if( !b_found )
762                 {
763                     [o_children addObject:[[VLCTreeItem alloc] initWithName: o_capability
764                     ID: 0 parent:self]];
765                 }
766             }
767         }
768         else if( [[o_parent getName] isEqualToString: _NS("Modules")] )
769         {
770             /* Now add the modules */
771             o_children = [[NSMutableArray alloc] initWithCapacity:10];
772             for( i_index = 0; i_index < p_list->i_count; i_index++ )
773             {
774                 p_module = (module_t *)p_list->p_values[i_index].p_object;
775         
776                 /* Exclude the main module */
777                 if( !strcmp( p_module->psz_object_name, "main" ) )
778                     continue;
779         
780                 /* Exclude empty plugins */
781                 p_item = p_module->p_config;
782                 if( !p_item ) continue;
783                 do
784                 {
785                     if( p_item->i_type & CONFIG_ITEM )
786                         break;
787                 }
788                 while( p_item->i_type != CONFIG_HINT_END && p_item++ );
789                 if( p_item->i_type == CONFIG_HINT_END ) continue;
790         
791                 /* Check the capability */
792                 NSString *o_capability;
793                 o_capability = [NSApp localizedString: p_module->psz_capability];
794                 if( !p_module->psz_capability || !*p_module->psz_capability )
795                 {
796                     /* Empty capability ? Let's look at the submodules */
797                     module_t * p_submodule;
798                     for( j = 0; j < p_module->i_children; j++ )
799                     {
800                         p_submodule = (module_t*)p_module->pp_children[ j ];
801                         if( p_submodule->psz_capability && *p_submodule->psz_capability )
802                         {
803                             o_capability = [NSApp localizedString: p_submodule->psz_capability];
804                             if( [o_capability isEqualToString: [self getName]] )
805                             {
806                             [o_children addObject:[[VLCTreeItem alloc] initWithName:
807                                 [NSApp localizedString: p_module->psz_object_name ]
808                                 ID: p_module->i_object_id parent:self]];
809                             }
810                         }
811                     }
812                 }
813                 else if( [o_capability isEqualToString: [self getName]] )
814                 {
815                     [o_children addObject:[[VLCTreeItem alloc] initWithName:
816                         [NSApp localizedString: p_module->psz_object_name ]
817                         ID: p_module->i_object_id parent:self]];
818                 }
819             }
820         }
821         else
822         {
823             /* all the other stuff are leafs */
824             o_children = IsALeafNode;
825         }
826     }
827     return o_children;
828 }
829
830 - (int)getObjectID
831 {
832     return i_object_id;
833 }
834
835 - (NSString *)getName
836 {
837     return o_name;
838 }
839
840 - (VLCTreeItem *)childAtIndex:(int)i_index {
841     return [[self children] objectAtIndex:i_index];
842 }
843
844 - (int)numberOfChildren {
845     id i_tmp = [self children];
846     return (i_tmp == IsALeafNode) ? (-1) : [i_tmp count];
847 }
848
849 - (BOOL)hasPrefs:(NSString *)o_module_name
850 {
851     intf_thread_t *p_intf = [NSApp getIntf];
852     module_t *p_parser;
853     vlc_list_t *p_list;
854     char *psz_module_name;
855     int i_index;
856
857     psz_module_name = (char *)[o_module_name UTF8String];
858
859     /* look for module */
860     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
861
862     for( i_index = 0; i_index < p_list->i_count; i_index++ )
863     {
864         p_parser = (module_t *)p_list->p_values[i_index].p_object ;
865
866         if( !strcmp( p_parser->psz_object_name, psz_module_name ) )
867         {
868             BOOL b_has_prefs = p_parser->i_config_items != 0;
869             vlc_list_release( p_list );
870             return( b_has_prefs );
871         }
872     }
873
874     vlc_list_release( p_list );
875
876     return( NO );
877 }
878
879 @end
880
881
882 @implementation VLCFlippedView
883
884 - (BOOL)isFlipped
885 {
886     return( YES );
887 }
888
889 @end
890
891 IMPL_CONTROL_CONFIG(Button);
892 IMPL_CONTROL_CONFIG(PopUpButton);
893 IMPL_CONTROL_CONFIG(ComboBox);
894 IMPL_CONTROL_CONFIG(TextField);
895 IMPL_CONTROL_CONFIG(Slider);