f9eeefcd93805cb23394b53c7da8182fb13b462d
[vlc.git] / modules / gui / wxwidgets / dialogs / preferences.cpp
1 /*****************************************************************************
2  * preferences.cpp : wxWindows plugin for vlc
3  *****************************************************************************
4  * Copyright (C) 2000-2004 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22  *****************************************************************************/
23
24 /*****************************************************************************
25  * Preamble
26  *****************************************************************************/
27
28 #include "dialogs/preferences.hpp"
29 #include <vlc_config_cat.h>
30 #include "dialogs/preferences_widgets.h"
31
32 #include <wx/combobox.h>
33 #include <wx/statline.h>
34 #include <wx/clntdata.h>
35 #include <wx/dynarray.h>
36 #include <wx/imaglist.h>
37 #include <wx/treectrl.h>
38
39 #include "bitmaps/type_net.xpm"
40 #include "bitmaps/codec.xpm"
41 #include "bitmaps/video.xpm"
42 #include "bitmaps/type_playlist.xpm"
43 #include "bitmaps/advanced.xpm"
44 #include "bitmaps/intf.xpm"
45 #include "bitmaps/audio.xpm"
46
47 #ifndef wxRB_SINGLE
48 #   define wxRB_SINGLE 0
49 #endif
50
51 #define TYPE_CATEGORY 0
52 #define TYPE_CATSUBCAT 1  /* Category with embedded subcategory */
53 #define TYPE_SUBCATEGORY 2
54 #define TYPE_MODULE 3
55
56 /*****************************************************************************
57  * Classes declarations.
58  *****************************************************************************/
59 class ConfigTreeData;
60 class PrefsTreeCtrl : public wxTreeCtrl
61 {
62 public:
63
64     PrefsTreeCtrl() { }
65     PrefsTreeCtrl( wxWindow *parent, intf_thread_t *_p_intf,
66                    PrefsDialog *p_prefs_dialog, wxBoxSizer *_p_sizer );
67     virtual ~PrefsTreeCtrl();
68
69     void ApplyChanges();
70     void CleanChanges();
71
72 private:
73     /* Event handlers (these functions should _not_ be virtual) */
74     void OnSelectTreeItem( wxTreeEvent& event );
75     void OnAdvanced( wxCommandEvent& event );
76
77     ConfigTreeData *FindModuleConfig( ConfigTreeData *config_data );
78
79     DECLARE_EVENT_TABLE()
80
81     intf_thread_t *p_intf;
82     PrefsDialog *p_prefs_dialog;
83     wxBoxSizer *p_sizer;
84     wxWindow *p_parent;
85     vlc_bool_t b_advanced;
86
87     wxPanel *p_current;
88
89     wxTreeItemId root_item;
90     wxTreeItemId plugins_item;
91 };
92
93 WX_DEFINE_ARRAY(ConfigControl *, ArrayOfConfigControls);
94
95 class PrefsPanel : public wxPanel
96 {
97 public:
98
99     PrefsPanel() { }
100     PrefsPanel( wxWindow *parent, intf_thread_t *_p_intf,
101                 PrefsDialog *, ConfigTreeData* );
102     virtual ~PrefsPanel() {}
103
104     void ApplyChanges();
105     void SwitchAdvanced( vlc_bool_t );
106
107 private:
108     intf_thread_t *p_intf;
109     PrefsDialog *p_prefs_dialog;
110
111     vlc_bool_t b_advanced;
112
113     wxStaticText *hidden_text;
114     wxBoxSizer *config_sizer;
115     wxScrolledWindow *config_window;
116
117     ArrayOfConfigControls config_array;
118 };
119
120 class ConfigTreeData : public wxTreeItemData
121 {
122 public:
123
124     ConfigTreeData() { b_submodule = 0; panel = NULL; psz_name = NULL;
125                        psz_help = NULL; }
126     virtual ~ConfigTreeData() {
127                                  if( panel ) delete panel;
128                                  if( psz_name ) free( psz_name );
129                                  if( psz_help ) free( psz_help );
130                               };
131
132     vlc_bool_t b_submodule;
133
134     PrefsPanel *panel;
135     wxBoxSizer *sizer;
136
137     int i_object_id;
138     int i_subcat_id;
139     int i_type;
140     char *psz_name;
141     char *psz_help;
142 };
143
144 /*****************************************************************************
145  * Event Table.
146  *****************************************************************************/
147
148 /* IDs for the controls and the menu commands */
149 enum
150 {
151     Notebook_Event = wxID_HIGHEST,
152     MRL_Event,
153     ResetAll_Event,
154     Advanced_Event,
155 };
156
157 BEGIN_EVENT_TABLE(PrefsDialog, wxFrame)
158     /* Button events */
159     EVT_BUTTON(wxID_OK, PrefsDialog::OnOk)
160     EVT_BUTTON(wxID_CANCEL, PrefsDialog::OnCancel)
161     EVT_BUTTON(wxID_SAVE, PrefsDialog::OnSave)
162     EVT_BUTTON(ResetAll_Event, PrefsDialog::OnResetAll)
163     EVT_CHECKBOX(Advanced_Event, PrefsDialog::OnAdvanced)
164
165     /* Don't destroy the window when the user closes it */
166     EVT_CLOSE(PrefsDialog::OnClose)
167 END_EVENT_TABLE()
168
169 // menu and control ids
170 enum
171 {
172     PrefsTree_Ctrl = wxID_HIGHEST
173 };
174
175 BEGIN_EVENT_TABLE(PrefsTreeCtrl, wxTreeCtrl)
176     EVT_TREE_SEL_CHANGED(PrefsTree_Ctrl, PrefsTreeCtrl::OnSelectTreeItem)
177     EVT_COMMAND(Advanced_Event, wxEVT_USER_FIRST, PrefsTreeCtrl::OnAdvanced)
178 END_EVENT_TABLE()
179
180 /*****************************************************************************
181  * Constructor.
182  *****************************************************************************/
183 PrefsDialog::PrefsDialog( intf_thread_t *_p_intf, wxWindow *p_parent)
184   :  wxFrame( p_parent, -1, wxU(_("Preferences")), wxDefaultPosition,
185               wxSize(700,450), wxDEFAULT_FRAME_STYLE )
186 {
187     /* Initializations */
188     p_intf = _p_intf;
189     SetIcon( *p_intf->p_sys->p_icon );
190
191     /* Create a panel to put everything in */
192     wxPanel *panel = new wxPanel( this, -1 );
193     panel->SetAutoLayout( TRUE );
194
195     /* Create the preferences tree control */
196     wxBoxSizer *controls_sizer = new wxBoxSizer( wxHORIZONTAL );
197     prefs_tree =
198         new PrefsTreeCtrl( panel, p_intf, this, controls_sizer );
199
200     /* Separation */
201     wxStaticLine *static_line = new wxStaticLine( panel, wxID_OK );
202
203 #if 0
204     /* Create the buttons */
205     wxButton *ok_button = new wxButton( panel, wxID_OK, wxU(_("OK")) );
206     ok_button->SetDefault();
207 #endif
208     wxButton *save_button = new wxButton( panel, wxID_SAVE, wxU(_("&Save")) );
209     save_button->SetDefault();
210     wxButton *cancel_button = new wxButton( panel, wxID_CANCEL,
211                                             wxU(_("&Cancel")) );
212     wxButton *reset_button = new wxButton( panel, ResetAll_Event,
213                                            wxU(_("Reset All")) );
214
215     wxPanel *dummy_panel = new wxPanel( this, -1 );
216     wxCheckBox *advanced_checkbox =
217         new wxCheckBox( panel, Advanced_Event, wxU(_("Advanced options")) );
218
219     if( config_GetInt( p_intf, "advanced" ) )
220     {
221         advanced_checkbox->SetValue(TRUE);
222         wxCommandEvent dummy_event;
223         dummy_event.SetInt(TRUE);
224         OnAdvanced( dummy_event );
225     }
226
227     /* Place everything in sizers */
228     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
229 #if 0
230     button_sizer->Add( ok_button, 0, wxALL, 5 );
231 #endif
232     button_sizer->Add( save_button, 0, wxALL, 5 );
233     button_sizer->Add( cancel_button, 0, wxALL, 5 );
234     button_sizer->Add( reset_button, 0, wxALL, 5 );
235     button_sizer->Add( dummy_panel, 1, wxALL, 5 );
236     button_sizer->Add( advanced_checkbox, 0, wxALL | wxALIGN_RIGHT |
237                        wxALIGN_CENTER_VERTICAL, 0 );
238     button_sizer->Layout();
239
240     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
241     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
242     panel_sizer->Add( controls_sizer, 1, wxEXPAND | wxALL, 5 );
243     panel_sizer->Add( static_line, 0, wxEXPAND | wxALL, 5 );
244     panel_sizer->Add( button_sizer, 0, wxALIGN_LEFT | wxALIGN_BOTTOM |
245                       wxALL | wxEXPAND, 5 );
246     panel_sizer->Layout();
247     panel->SetSizer( panel_sizer );
248     main_sizer->Add( panel, 1, wxEXPAND, 0 );
249     main_sizer->Layout();
250     SetSizer( main_sizer );
251 }
252
253 PrefsDialog::~PrefsDialog()
254 {
255 }
256
257 /*****************************************************************************
258  * Private methods.
259  *****************************************************************************/
260
261
262 /*****************************************************************************
263  * Events methods.
264  *****************************************************************************/
265 void PrefsDialog::OnOk( wxCommandEvent& WXUNUSED(event) )
266 {
267     prefs_tree->ApplyChanges();
268     this->Hide();
269     prefs_tree->CleanChanges();
270 }
271
272 void PrefsDialog::OnClose( wxCloseEvent& WXUNUSED(event) )
273 {
274     wxCommandEvent cevent;
275     OnCancel(cevent);
276 }
277
278 void PrefsDialog::OnCancel( wxCommandEvent& WXUNUSED(event) )
279 {
280     this->Hide();
281     prefs_tree->CleanChanges();
282 }
283
284 void PrefsDialog::OnSave( wxCommandEvent& WXUNUSED(event) )
285 {
286     prefs_tree->ApplyChanges();
287     config_SaveConfigFile( p_intf, NULL );
288     this->Hide();
289 }
290
291 void PrefsDialog::OnResetAll( wxCommandEvent& WXUNUSED(event) )
292 {
293     wxMessageDialog dlg( this,
294         wxU(_("This will reset your VLC media player preferences.\n"
295               "Are you sure you want to continue?")),
296         wxU(_("Reset Preferences")), wxYES_NO|wxNO_DEFAULT|wxCENTRE );
297
298     if ( dlg.ShowModal() == wxID_YES )
299     {
300         /* TODO: need to reset all the controls */
301         config_ResetAll( p_intf );
302         prefs_tree->CleanChanges();
303         config_SaveConfigFile( p_intf, NULL );
304     }
305 }
306
307 void PrefsDialog::OnAdvanced( wxCommandEvent& event )
308 {
309     wxCommandEvent newevent( wxEVT_USER_FIRST, Advanced_Event );
310     newevent.SetInt( event.GetInt() );
311
312     prefs_tree->AddPendingEvent( newevent );
313 }
314
315 /*****************************************************************************
316  * PrefsTreeCtrl class definition.
317  *****************************************************************************/
318 PrefsTreeCtrl::PrefsTreeCtrl( wxWindow *_p_parent, intf_thread_t *_p_intf,
319                               PrefsDialog *_p_prefs_dialog,
320                               wxBoxSizer *_p_sizer )
321   : wxTreeCtrl( _p_parent, PrefsTree_Ctrl, wxDefaultPosition, wxSize(200,-1),
322                 wxTR_NO_LINES | wxTR_FULL_ROW_HIGHLIGHT |
323                 wxTR_LINES_AT_ROOT | wxTR_HIDE_ROOT |
324                 wxTR_HAS_BUTTONS | wxTR_TWIST_BUTTONS | wxSUNKEN_BORDER )
325 {
326     vlc_list_t      *p_list = NULL;;
327     module_t        *p_module;
328     module_config_t *p_item;
329     int i_index, i_image=0;
330
331     /* Initializations */
332     p_intf = _p_intf;
333     p_prefs_dialog = _p_prefs_dialog;
334     p_sizer = _p_sizer;
335     p_parent = _p_parent;
336     b_advanced = VLC_FALSE;
337
338     root_item = AddRoot( wxT("") );
339     wxASSERT_MSG(root_item.IsOk(), wxT("Could not add root item"));
340
341     wxImageList *p_images = new wxImageList( 16,16,TRUE );
342     p_images->Add( wxIcon( audio_xpm ) );
343     p_images->Add( wxIcon( video_xpm ) );
344     p_images->Add( wxIcon( codec_xpm ) );
345     p_images->Add( wxIcon( type_net_xpm ) );
346     p_images->Add( wxIcon( advanced_xpm ) );
347     p_images->Add( wxIcon( type_playlist_xpm ) );
348     p_images->Add( wxIcon( intf_xpm ) );
349     AssignImageList( p_images );
350
351     /* List the plugins */
352     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
353     if( !p_list ) return;
354
355     /* Build the categories list */
356     for( i_index = 0; i_index < p_list->i_count; i_index++ )
357     {
358         p_module = (module_t *)p_list->p_values[i_index].p_object;
359         if( !strcmp( p_module->psz_object_name, "main" ) )
360             break;
361     }
362     if( i_index < p_list->i_count )
363     {
364         wxTreeItemId current_item;
365         char *psz_help;
366         /* We found the main module */
367
368         /* Enumerate config categories and store a reference so we can
369          * generate their config panel them when it is asked by the user. */
370         p_item = p_module->p_config;
371
372         if( p_item ) do
373         {
374             ConfigTreeData *config_data;
375             switch( p_item->i_type )
376             {
377             case CONFIG_CATEGORY:
378                 config_data = new ConfigTreeData;
379                 if( p_item->i_value == -1 )   break; // Don't display it
380                 config_data->psz_name = strdup( config_CategoryNameGet(
381                                                             p_item->i_value ) );
382                 psz_help = config_CategoryHelpGet( p_item->i_value );
383                 if( psz_help )
384                 {
385                     config_data->psz_help = wraptext( strdup( psz_help ), 72 );
386                 }
387                 else
388                 {
389                     config_data->psz_help = NULL;
390                 }
391                 config_data->i_type = TYPE_CATEGORY;
392                 config_data->i_object_id = p_item->i_value;
393
394                 /* Add the category to the tree */
395                 switch( p_item->i_value )
396                 {
397                     case CAT_AUDIO:
398                         i_image = 0; break;
399                     case CAT_VIDEO:
400                         i_image = 1; break;
401                     case CAT_INPUT:
402                         i_image = 2; break;
403                     case CAT_SOUT:
404                         i_image = 3; break;
405                     case CAT_ADVANCED:
406                         i_image = 4; break;
407                     case CAT_PLAYLIST:
408                         i_image = 5; break;
409                     case CAT_INTERFACE:
410                         i_image = 6; break;
411                 }
412                 current_item = AppendItem( root_item,
413                                            wxU( _(config_data->psz_name) ),
414                                            i_image, -1, config_data );
415
416                 break;
417             case CONFIG_SUBCATEGORY:
418                 if( p_item->i_value == -1 ) break; // Don't display it
419                 /* Special case: move the "general" subcategories to their
420                  * parent category */
421                 if( p_item->i_value == SUBCAT_VIDEO_GENERAL ||
422                     p_item->i_value == SUBCAT_ADVANCED_MISC ||
423                     p_item->i_value == SUBCAT_INPUT_GENERAL ||
424                     p_item->i_value == SUBCAT_INTERFACE_GENERAL ||
425                     p_item->i_value == SUBCAT_SOUT_GENERAL||
426                     p_item->i_value == SUBCAT_PLAYLIST_GENERAL||
427                     p_item->i_value == SUBCAT_AUDIO_GENERAL )
428                 {
429                     ConfigTreeData *cd = (ConfigTreeData *)
430                                             GetItemData( current_item );
431                     cd->i_type = TYPE_CATSUBCAT;
432                     cd->i_subcat_id = p_item->i_value;
433                     if( cd->psz_name ) free( cd->psz_name );
434                     cd->psz_name = strdup(  config_CategoryNameGet(
435                                                       p_item->i_value ) );
436                     if( cd->psz_help ) free( cd->psz_help );
437                     char *psz_help = config_CategoryHelpGet( p_item->i_value );
438                     if( psz_help )
439                     {
440                         cd->psz_help = wraptext( strdup( psz_help ), 72 );
441                     }
442                     else
443                     {
444                         cd->psz_help = NULL;
445                     }
446                     continue;
447                 }
448
449                 config_data = new ConfigTreeData;
450
451                 config_data->psz_name = strdup(  config_CategoryNameGet(
452                                                            p_item->i_value ) );
453                 psz_help = config_CategoryHelpGet( p_item->i_value );
454                 if( psz_help )
455                 {
456                     config_data->psz_help = wraptext( strdup( psz_help ), 72 );
457                 }
458                 else
459                 {
460                     config_data->psz_help = NULL;
461                 }
462                 config_data->i_type = TYPE_SUBCATEGORY;
463                 config_data->i_object_id = p_item->i_value;
464                 /* WXMSW doesn't know image -1 ... FIXME */
465                 #ifdef __WXMSW__
466                 switch( p_item->i_value / 100 )
467                 {
468                     case CAT_AUDIO:
469                         i_image = 0; break;
470                     case CAT_VIDEO:
471                         i_image = 1; break;
472                     case CAT_INPUT:
473                         i_image = 2; break;
474                     case CAT_SOUT:
475                         i_image = 3; break;
476                     case CAT_ADVANCED:
477                         i_image = 4; break;
478                     case CAT_PLAYLIST:
479                         i_image = 5; break;
480                     case CAT_INTERFACE:
481                         i_image = 6; break;
482                 }
483                 #else
484                 i_image = -1;
485                 #endif
486                 AppendItem( current_item, wxU( _(config_data->psz_name) ),
487                             i_image, -1, config_data );
488                 break;
489             }
490         }
491         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
492
493     }
494
495
496     /*
497      * Build a tree of all the plugins
498      */
499     for( i_index = 0; i_index < p_list->i_count; i_index++ )
500     {
501         int i_category = -1;
502         int i_subcategory = -1;
503         int i_options = 0;
504
505         p_module = (module_t *)p_list->p_values[i_index].p_object;
506
507         /* Exclude the main module */
508         if( !strcmp( p_module->psz_object_name, "main" ) )
509             continue;
510
511         /* Exclude empty plugins (submodules don't have config options, they
512          * are stored in the parent module) */
513         if( p_module->b_submodule )
514               continue;
515 //            p_item = ((module_t *)p_module->p_parent)->p_config;
516         else
517             p_item = p_module->p_config;
518
519
520         if( !p_item ) continue;
521         do
522         {
523             if( p_item->i_type == CONFIG_CATEGORY )
524             {
525                 i_category = p_item->i_value;
526             }
527             else if( p_item->i_type == CONFIG_SUBCATEGORY )
528             {
529                 i_subcategory = p_item->i_value;
530             }
531             if( p_item->i_type & CONFIG_ITEM )
532                 i_options ++;
533             if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
534             {
535                 break;
536             }
537         }
538         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
539
540         if( !i_options ) continue;
541
542         /* Find the right category item */
543         wxTreeItemIdValue cookie;
544         vlc_bool_t b_found = VLC_FALSE;
545
546         wxTreeItemId category_item = GetFirstChild( root_item , cookie);
547         while( category_item.IsOk() )
548         {
549             ConfigTreeData *config_data =
550                     (ConfigTreeData *)GetItemData( category_item );
551             if( config_data->i_object_id == i_category )
552             {
553                 b_found = VLC_TRUE;
554                 break;
555             }
556             category_item = GetNextChild( root_item, cookie );
557         }
558
559         if( !b_found ) continue;
560
561         /* Find subcategory item */
562         b_found = VLC_FALSE;
563         //cookie = -1;
564         wxTreeItemId subcategory_item = GetFirstChild( category_item, cookie );
565         while( subcategory_item.IsOk() )
566         {
567             ConfigTreeData *config_data =
568                     (ConfigTreeData *)GetItemData( subcategory_item );
569             if( config_data->i_object_id == i_subcategory )
570             {
571                 b_found = VLC_TRUE;
572                 break;
573             }
574             subcategory_item = GetNextChild( category_item, cookie );
575         }
576         if( !b_found )
577         {
578             subcategory_item = category_item;
579         }
580
581         /* Add the plugin to the tree */
582         ConfigTreeData *config_data = new ConfigTreeData;
583         config_data->b_submodule = p_module->b_submodule;
584         config_data->i_type = TYPE_MODULE;
585         config_data->i_object_id = p_module->b_submodule ?
586             ((module_t *)p_module->p_parent)->i_object_id :
587             p_module->i_object_id;
588         config_data->psz_help = NULL;
589
590         /* WXMSW doesn't know image -1 ... FIXME */
591         #ifdef __WXMSW__
592         switch( i_subcategory / 100 )
593         {
594             case CAT_AUDIO:
595                 i_image = 0; break;
596             case CAT_VIDEO:
597                 i_image = 1; break;
598             case CAT_INPUT:
599                 i_image = 2; break;
600             case CAT_SOUT:
601                 i_image = 3; break;
602             case CAT_ADVANCED:
603                 i_image = 4; break;
604             case CAT_PLAYLIST:
605                 i_image = 5; break;
606             case CAT_INTERFACE:
607                 i_image = 6; break;
608         }
609         #else
610         i_image = -1;
611         #endif
612         AppendItem( subcategory_item, wxU( p_module->psz_shortname ?
613                        p_module->psz_shortname : p_module->psz_object_name )
614                                     , i_image, -1,
615                     config_data );
616     }
617
618     /* Sort all this mess */
619     wxTreeItemIdValue cookie;
620     size_t i_child_index;
621     wxTreeItemId capability_item = GetFirstChild( root_item, cookie);
622     for( i_child_index = 0;
623          (capability_item.IsOk() &&
624           //(i_child_index < GetChildrenCount( plugins_item, FALSE )));
625           (i_child_index < GetChildrenCount( root_item, FALSE )));
626          i_child_index++ )
627     {
628         SortChildren( capability_item );
629         //capability_item = GetNextChild( plugins_item, cookie );
630         capability_item = GetNextChild( root_item, cookie );
631     }
632
633     /* Clean-up everything */
634     vlc_list_release( p_list );
635
636     p_sizer->Add( this, 1, wxEXPAND | wxALL, 0 );
637     p_sizer->Layout();
638
639     p_current = NULL;
640
641     /* Update Tree Ctrl */
642 #ifndef WIN32 /* Workaround a bug in win32 implementation */
643     SelectItem( GetFirstChild( root_item, cookie ) );
644 #endif
645
646     //cannot expand hidden root item
647     //Expand( root_item );
648 }
649
650 PrefsTreeCtrl::~PrefsTreeCtrl(){
651 }
652
653 void PrefsTreeCtrl::ApplyChanges()
654 {
655     wxTreeItemIdValue cookie, cookie2, cookie3;
656     ConfigTreeData *config_data;
657
658     wxTreeItemId category = GetFirstChild( root_item, cookie );
659     while( category.IsOk() )
660     {
661         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
662         while( subcategory.IsOk() )
663         {
664             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
665             while( module.IsOk() )
666             {
667                 config_data = (ConfigTreeData *)GetItemData( module );
668                 if( config_data && config_data->panel )
669                 {
670                     config_data->panel->ApplyChanges();
671                 }
672                 module = GetNextChild( subcategory, cookie3 );
673             }
674             config_data = (ConfigTreeData *)GetItemData( subcategory );
675             if( config_data && config_data->panel )
676             {
677                 config_data->panel->ApplyChanges();
678             }
679             subcategory = GetNextChild( category, cookie2 );
680         }
681         config_data = (ConfigTreeData *)GetItemData( category );
682         if( config_data && config_data->panel )
683         {
684             config_data->panel->ApplyChanges();
685         }
686         category = GetNextChild( root_item, cookie );
687     }
688 }
689
690 void PrefsTreeCtrl::CleanChanges()
691 {
692     wxTreeItemIdValue cookie, cookie2, cookie3;
693     ConfigTreeData *config_data;
694
695     config_data = !GetSelection() ? NULL :
696         FindModuleConfig( (ConfigTreeData *)GetItemData( GetSelection() ) );
697     if( config_data  )
698     {
699         config_data->panel->Hide();
700 #if (wxCHECK_VERSION(2,5,0))
701         p_sizer->Detach( config_data->panel );
702 #else
703         p_sizer->Remove( config_data->panel );
704 #endif
705         p_current = NULL;
706     }
707
708     wxTreeItemId category = GetFirstChild( root_item, cookie );
709     while( category.IsOk() )
710     {
711         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
712         while( subcategory.IsOk() )
713         {
714             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
715             while( module.IsOk() )
716             {
717                 config_data = (ConfigTreeData *)GetItemData( module );
718                 if( config_data && config_data->panel )
719                 {
720                     delete config_data->panel;
721                     config_data->panel = NULL;
722                 }
723                 module = GetNextChild( subcategory, cookie3 );
724             }
725             config_data = (ConfigTreeData *)GetItemData( subcategory );
726             if( config_data && config_data->panel )
727             {
728                 delete config_data->panel;
729                 config_data->panel = NULL;
730             }
731             subcategory = GetNextChild( category, cookie2 );
732         }
733         config_data = (ConfigTreeData *)GetItemData( category );
734         if( config_data && config_data->panel )
735         {
736             delete config_data->panel;
737             config_data->panel = NULL;
738         }
739         category = GetNextChild( root_item, cookie );
740     }
741
742     if( GetSelection() )
743     {
744         wxTreeEvent event;
745         OnSelectTreeItem( event );
746     }
747 }
748
749 ConfigTreeData *PrefsTreeCtrl::FindModuleConfig( ConfigTreeData *config_data )
750 {
751     /* We need this complexity because submodules don't have their own config
752      * options. They use the parent module ones. */
753
754     if( !config_data || !config_data->b_submodule )
755     {
756         return config_data;
757     }
758
759     wxTreeItemIdValue cookie, cookie2, cookie3;
760     ConfigTreeData *config_new;
761     wxTreeItemId category = GetFirstChild( root_item, cookie );
762     while( category.IsOk() )
763     {
764         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
765         while( subcategory.IsOk() )
766         {
767             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
768             while( module.IsOk() )
769             {
770                 config_new = (ConfigTreeData *)GetItemData( module );
771                 if( config_new && !config_new->b_submodule &&
772                     config_new->i_object_id == config_data->i_object_id )
773                 {
774                     return config_new;
775                 }
776                 module = GetNextChild( subcategory, cookie3 );
777             }
778             subcategory = GetNextChild( category, cookie2 );
779         }
780         category = GetNextChild( root_item, cookie );
781     }
782
783     /* Found nothing */
784     return NULL;
785 }
786
787 void PrefsTreeCtrl::OnSelectTreeItem( wxTreeEvent& event )
788 {
789     ConfigTreeData *config_data = NULL;
790
791     if( p_current )
792     {
793         p_current->Hide();
794 #if (wxCHECK_VERSION(2,5,0))
795         p_sizer->Detach( p_current  );
796 #else
797         p_sizer->Remove( p_current );
798 #endif
799         p_current = NULL;
800     }
801
802     /* Don't use event.GetItem() because we also send fake events */
803     config_data = FindModuleConfig( (ConfigTreeData *)GetItemData(
804                                     GetSelection() ) );
805     if( config_data )
806     {
807         if( !config_data->panel )
808         {
809             /* The panel hasn't been created yet. Let's do it. */
810             config_data->panel =
811                 new PrefsPanel( p_parent, p_intf, p_prefs_dialog,
812                                 config_data );
813             config_data->panel->SwitchAdvanced( b_advanced );
814         }
815         else
816         {
817             config_data->panel->SwitchAdvanced( b_advanced );
818             config_data->panel->Show();
819         }
820
821         p_current = config_data->panel;
822
823         p_sizer->Add( config_data->panel, 3, wxEXPAND | wxALL, 0 );
824         p_sizer->Layout();
825     }
826 }
827
828 void PrefsTreeCtrl::OnAdvanced( wxCommandEvent& event )
829 {
830     b_advanced = event.GetInt();
831
832     ConfigTreeData *config_data = !GetSelection() ? NULL :
833         FindModuleConfig( (ConfigTreeData *)GetItemData( GetSelection() ) );
834     if( config_data  )
835     {
836         config_data->panel->Hide();
837 #if (wxCHECK_VERSION(2,5,0))
838         p_sizer->Detach( config_data->panel );
839 #else
840         p_sizer->Remove( config_data->panel );
841 #endif
842         p_current = NULL;
843     }
844
845     if( GetSelection() )
846     {
847         wxTreeEvent event;
848         OnSelectTreeItem( event );
849     }
850 }
851
852 /*****************************************************************************
853  * PrefsPanel class definition.
854  *****************************************************************************/
855 PrefsPanel::PrefsPanel( wxWindow* parent, intf_thread_t *_p_intf,
856                         PrefsDialog *_p_prefs_dialog,
857                         ConfigTreeData *config_data )
858   :  wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize )
859 {
860     module_config_t *p_item;
861     vlc_list_t *p_list = NULL;;
862
863     wxStaticText *label;
864     wxStaticText *help;
865     wxArrayString array;
866
867     module_t *p_module = NULL;
868
869     /* Initializations */
870     p_intf = _p_intf;
871     p_prefs_dialog =_p_prefs_dialog,
872
873     b_advanced = VLC_TRUE;
874     SetAutoLayout( TRUE );
875     Hide();
876
877     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
878
879
880     if( config_data->i_type == TYPE_CATEGORY )
881     {
882         label = new wxStaticText( this, -1,wxU(_( config_data->psz_name )));
883         wxFont heading_font = label->GetFont();
884         heading_font.SetPointSize( heading_font.GetPointSize() + 5 );
885         label->SetFont( heading_font );
886         sizer->Add( label, 0, wxEXPAND | wxLEFT, 10 );
887         sizer->Add( new wxStaticLine( this, 0 ), 0,
888                     wxEXPAND | wxLEFT | wxRIGHT, 2 );
889
890         hidden_text = NULL;
891         help = new wxStaticText( this, -1, wxU(_( config_data->psz_help ) ) );
892         sizer->Add( help ,0 ,wxEXPAND | wxALL, 5 );
893
894         config_sizer = NULL; config_window = NULL;
895     }
896     else
897     {
898         /* Get a pointer to the module */
899         if( config_data->i_type == TYPE_MODULE )
900         {
901             p_module = (module_t *)vlc_object_get( p_intf,
902                                                    config_data->i_object_id );
903         }
904         else
905         {
906             /* List the plugins */
907             int i_index;
908             vlc_bool_t b_found = VLC_FALSE;
909             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
910             if( !p_list ) return;
911
912             for( i_index = 0; i_index < p_list->i_count; i_index++ )
913             {
914                 p_module = (module_t *)p_list->p_values[i_index].p_object;
915                 if( !strcmp( p_module->psz_object_name, "main" ) )
916                 {
917                     b_found = VLC_TRUE;
918                     break;
919                 }
920             }
921             if( !p_module && !b_found )
922             {
923                 msg_Warn( p_intf, "unable to create preferences "
924                                   "(main module not found)" );
925                 return;
926             }
927         }
928
929         if( p_module->i_object_type != VLC_OBJECT_MODULE )
930         {
931             /* 0OOoo something went really bad */
932             return;
933         }
934
935         /* Enumerate config options and add corresponding config boxes
936          * (submodules don't have config options, they are stored in the
937          *  parent module) */
938         if( p_module->b_submodule )
939             p_item = ((module_t *)p_module->p_parent)->p_config;
940         else
941             p_item = p_module->p_config;
942
943         /* Find the category if it has been specified */
944         if( config_data->i_type == TYPE_SUBCATEGORY ||
945             config_data->i_type == TYPE_CATSUBCAT )
946         {
947             do
948             {
949                 if( p_item->i_type == CONFIG_SUBCATEGORY &&
950                     ( config_data->i_type == TYPE_SUBCATEGORY &&
951                       p_item->i_value == config_data->i_object_id ) ||
952                     ( config_data->i_type == TYPE_CATSUBCAT &&
953                       p_item->i_value == config_data->i_subcat_id ) )
954                 {
955                     break;
956                 }
957                 if( p_item->i_type == CONFIG_HINT_END )
958                     break;
959             } while( p_item++ );
960         }
961
962         /* Add a head title to the panel */
963         char *psz_head;
964         if( config_data->i_type == TYPE_SUBCATEGORY ||
965             config_data->i_type == TYPE_CATSUBCAT )
966         {
967             psz_head = config_data->psz_name;
968             p_item++;
969         }
970         else
971         {
972             psz_head = p_module->psz_longname;
973         }
974
975         label = new wxStaticText( this, -1,
976                       wxU(_( psz_head ? psz_head : _("Unknown") ) ) );
977         wxFont heading_font = label->GetFont();
978         heading_font.SetPointSize( heading_font.GetPointSize() + 5 );
979         label->SetFont( heading_font );
980         sizer->Add( label, 0, wxEXPAND | wxLEFT, 10 );
981         sizer->Add( new wxStaticLine( this, 0 ), 0,
982                     wxEXPAND | wxLEFT | wxRIGHT, 2 );
983
984         /* Now put all the config options into a scrolled window */
985         config_sizer = new wxBoxSizer( wxVERTICAL );
986         config_window = new wxScrolledWindow( this, -1, wxDefaultPosition,
987             wxDefaultSize, wxBORDER_NONE | wxHSCROLL | wxVSCROLL );
988         config_window->SetAutoLayout( TRUE );
989         config_window->SetScrollRate( 5, 5 );
990
991         if( p_item ) do
992         {
993             /* If a category has been specified, check we finished the job */
994             if( ( ( config_data->i_type == TYPE_SUBCATEGORY &&
995                     p_item->i_value != config_data->i_object_id ) ||
996                   ( config_data->i_type == TYPE_CATSUBCAT  &&
997                     p_item->i_value != config_data->i_subcat_id ) ) &&
998                 (p_item->i_type == CONFIG_CATEGORY ||
999                   p_item->i_type == CONFIG_SUBCATEGORY ) )
1000                 break;
1001
1002             if( p_item->b_internal == VLC_TRUE ) continue;
1003
1004             ConfigControl *control =
1005                 CreateConfigControl( VLC_OBJECT(p_intf),
1006                                      p_item, config_window );
1007
1008             /* Don't add items that were not recognized */
1009             if( control == NULL ) continue;
1010
1011             /* Add the config data to our array so we can keep a trace of it */
1012             config_array.Add( control );
1013
1014             config_sizer->Add( control, 0, wxEXPAND | wxALL, 2 );
1015         }
1016         while( !( p_item->i_type == CONFIG_HINT_END ||
1017                ( ( config_data->i_type == TYPE_SUBCATEGORY ||
1018                    config_data->i_type == TYPE_CATSUBCAT ) &&
1019                  ( p_item->i_type == CONFIG_CATEGORY ||
1020                    p_item->i_type == CONFIG_SUBCATEGORY ) ) ) && p_item++ );
1021
1022
1023         config_sizer->Layout();
1024         config_window->SetSizer( config_sizer );
1025         sizer->Add( config_window, 1, wxEXPAND | wxALL, 5 );
1026         hidden_text = new wxStaticText( this, -1,
1027                         wxU( _( "Some options are available but hidden. " \
1028                                 "Check \"Advanced options\" to see them." ) ) );
1029         sizer->Add( hidden_text );
1030
1031         /* And at last put a useful help string if available */
1032         if( config_data->psz_help && *config_data->psz_help )
1033         {
1034             sizer->Add( new wxStaticLine( this, 0 ), 0,
1035                         wxEXPAND | wxLEFT | wxRIGHT, 2 );
1036             help = new wxStaticText( this, -1, wxU(_(config_data->psz_help)),
1037                                      wxDefaultPosition, wxDefaultSize,
1038                                      wxALIGN_LEFT,
1039                                      wxT("") );
1040             sizer->Add( help ,0 ,wxEXPAND | wxALL, 5 );
1041         }
1042
1043         if( config_data->i_type == TYPE_MODULE )
1044         {
1045             vlc_object_release( p_module );
1046         }
1047         else
1048         {
1049             vlc_list_release( p_list );
1050         }
1051     }
1052     sizer->Layout();
1053     SetSizer( sizer );
1054     Show();
1055 }
1056
1057 void PrefsPanel::ApplyChanges()
1058 {
1059     vlc_value_t val;
1060
1061     for( size_t i = 0; i < config_array.GetCount(); i++ )
1062     {
1063         ConfigControl *control = config_array.Item(i);
1064
1065         switch( control->GetType() )
1066         {
1067         case CONFIG_ITEM_STRING:
1068         case CONFIG_ITEM_FILE:
1069         case CONFIG_ITEM_DIRECTORY:
1070         case CONFIG_ITEM_MODULE:
1071         case CONFIG_ITEM_MODULE_CAT:
1072         case CONFIG_ITEM_MODULE_LIST:
1073         case CONFIG_ITEM_MODULE_LIST_CAT:
1074             config_PutPsz( p_intf, control->GetName().mb_str(),
1075                            control->GetPszValue().mb_str() );
1076             break;
1077         case CONFIG_ITEM_KEY:
1078             /* So you don't need to restart to have the changes take effect */
1079             val.i_int = control->GetIntValue();
1080             var_Set( p_intf->p_libvlc, control->GetName().mb_str(), val );
1081         case CONFIG_ITEM_INTEGER:
1082         case CONFIG_ITEM_BOOL:
1083             config_PutInt( p_intf, control->GetName().mb_str(),
1084                            control->GetIntValue() );
1085             break;
1086         case CONFIG_ITEM_FLOAT:
1087             config_PutFloat( p_intf, control->GetName().mb_str(),
1088                              control->GetFloatValue() );
1089             break;
1090         }
1091     }
1092 }
1093
1094 void PrefsPanel::SwitchAdvanced( vlc_bool_t b_new_advanced )
1095 {
1096     bool hidden = false;
1097
1098     if( b_advanced == b_new_advanced )
1099     {
1100         goto hide;
1101     }
1102
1103     if( config_sizer && config_window )
1104     {
1105         b_advanced = b_new_advanced;
1106
1107         for( size_t i = 0; i < config_array.GetCount(); i++ )
1108         {
1109             ConfigControl *control = config_array.Item(i);
1110             if( control->IsAdvanced() )
1111             {
1112                 if( !b_advanced ) hidden = true;
1113                 control->Show( b_advanced );
1114                 config_sizer->Show( control, b_advanced );
1115             }
1116         }
1117
1118         config_sizer->Layout();
1119         config_window->FitInside();
1120         config_window->Refresh();
1121     }
1122 hide:
1123     if( hidden && hidden_text )
1124     {
1125         hidden_text->Show( true );
1126         config_sizer->Show( hidden_text, true );
1127     }
1128     else if ( hidden_text )
1129     {
1130         hidden_text->Show( false );
1131         config_sizer->Show( hidden_text, false );
1132     }
1133     return;
1134 }