FSF address change.
[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     /* Create the buttons */
204     wxButton *ok_button = new wxButton( panel, wxID_OK, wxU(_("OK")) );
205     ok_button->SetDefault();
206     wxButton *cancel_button = new wxButton( panel, wxID_CANCEL,
207                                             wxU(_("Cancel")) );
208     wxButton *save_button = new wxButton( panel, wxID_SAVE, wxU(_("Save")) );
209     wxButton *reset_button = new wxButton( panel, ResetAll_Event,
210                                            wxU(_("Reset All")) );
211
212     wxPanel *dummy_panel = new wxPanel( this, -1 );
213     wxCheckBox *advanced_checkbox =
214         new wxCheckBox( panel, Advanced_Event, wxU(_("Advanced options")) );
215
216     if( config_GetInt( p_intf, "advanced" ) )
217     {
218         advanced_checkbox->SetValue(TRUE);
219         wxCommandEvent dummy_event;
220         dummy_event.SetInt(TRUE);
221         OnAdvanced( dummy_event );
222     }
223
224     /* Place everything in sizers */
225     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
226     button_sizer->Add( ok_button, 0, wxALL, 5 );
227     button_sizer->Add( cancel_button, 0, wxALL, 5 );
228     button_sizer->Add( save_button, 0, wxALL, 5 );
229     button_sizer->Add( reset_button, 0, wxALL, 5 );
230     button_sizer->Add( dummy_panel, 1, wxALL, 5 );
231     button_sizer->Add( advanced_checkbox, 0, wxALL | wxALIGN_RIGHT |
232                        wxALIGN_CENTER_VERTICAL, 0 );
233     button_sizer->Layout();
234
235     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
236     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
237     panel_sizer->Add( controls_sizer, 1, wxEXPAND | wxALL, 5 );
238     panel_sizer->Add( static_line, 0, wxEXPAND | wxALL, 5 );
239     panel_sizer->Add( button_sizer, 0, wxALIGN_LEFT | wxALIGN_BOTTOM |
240                       wxALL | wxEXPAND, 5 );
241     panel_sizer->Layout();
242     panel->SetSizer( panel_sizer );
243     main_sizer->Add( panel, 1, wxEXPAND, 0 );
244     main_sizer->Layout();
245     SetSizer( main_sizer );
246 }
247
248 PrefsDialog::~PrefsDialog()
249 {
250 }
251
252 /*****************************************************************************
253  * Private methods.
254  *****************************************************************************/
255
256
257 /*****************************************************************************
258  * Events methods.
259  *****************************************************************************/
260 void PrefsDialog::OnOk( wxCommandEvent& WXUNUSED(event) )
261 {
262     prefs_tree->ApplyChanges();
263     this->Hide();
264     prefs_tree->CleanChanges();
265 }
266
267 void PrefsDialog::OnClose( wxCloseEvent& WXUNUSED(event) )
268 {
269     wxCommandEvent cevent;
270     OnCancel(cevent);
271 }
272
273 void PrefsDialog::OnCancel( wxCommandEvent& WXUNUSED(event) )
274 {
275     this->Hide();
276     prefs_tree->CleanChanges();
277 }
278
279 void PrefsDialog::OnSave( wxCommandEvent& WXUNUSED(event) )
280 {
281     prefs_tree->ApplyChanges();
282     config_SaveConfigFile( p_intf, NULL );
283     this->Hide();
284 }
285
286 void PrefsDialog::OnResetAll( wxCommandEvent& WXUNUSED(event) )
287 {
288     wxMessageDialog dlg( this,
289         wxU(_("Beware this will reset your VLC media player preferences.\n"
290               "Are you sure you want to continue?")),
291         wxU(_("Reset Preferences")), wxYES_NO|wxNO_DEFAULT|wxCENTRE );
292
293     if ( dlg.ShowModal() == wxID_YES )
294     {
295         /* TODO: need to reset all the controls */
296         config_ResetAll( p_intf );
297         prefs_tree->CleanChanges();
298         config_SaveConfigFile( p_intf, NULL );
299     }
300 }
301
302 void PrefsDialog::OnAdvanced( wxCommandEvent& event )
303 {
304     wxCommandEvent newevent( wxEVT_USER_FIRST, Advanced_Event );
305     newevent.SetInt( event.GetInt() );
306
307     prefs_tree->AddPendingEvent( newevent );
308 }
309
310 /*****************************************************************************
311  * PrefsTreeCtrl class definition.
312  *****************************************************************************/
313 PrefsTreeCtrl::PrefsTreeCtrl( wxWindow *_p_parent, intf_thread_t *_p_intf,
314                               PrefsDialog *_p_prefs_dialog,
315                               wxBoxSizer *_p_sizer )
316   : wxTreeCtrl( _p_parent, PrefsTree_Ctrl, wxDefaultPosition, wxSize(200,-1),
317                 wxTR_NO_LINES | wxTR_FULL_ROW_HIGHLIGHT |
318                 wxTR_LINES_AT_ROOT | wxTR_HIDE_ROOT |
319                 wxTR_HAS_BUTTONS | wxTR_TWIST_BUTTONS | wxSUNKEN_BORDER )
320 {
321     vlc_list_t      *p_list = NULL;;
322     module_t        *p_module;
323     module_config_t *p_item;
324     int i_index, i_image=0;
325
326     /* Initializations */
327     p_intf = _p_intf;
328     p_prefs_dialog = _p_prefs_dialog;
329     p_sizer = _p_sizer;
330     p_parent = _p_parent;
331     b_advanced = VLC_FALSE;
332
333     root_item = AddRoot( wxT("") );
334     wxASSERT_MSG(root_item.IsOk(), wxT("Could not add root item"));
335
336     wxImageList *p_images = new wxImageList( 16,16,TRUE );
337     p_images->Add( wxIcon( audio_xpm ) );
338     p_images->Add( wxIcon( video_xpm ) );
339     p_images->Add( wxIcon( codec_xpm ) );
340     p_images->Add( wxIcon( type_net_xpm ) );
341     p_images->Add( wxIcon( advanced_xpm ) );
342     p_images->Add( wxIcon( type_playlist_xpm ) );
343     p_images->Add( wxIcon( intf_xpm ) );
344     AssignImageList( p_images );
345
346     /* List the plugins */
347     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
348     if( !p_list ) return;
349
350     /* Build the categories list */
351     for( i_index = 0; i_index < p_list->i_count; i_index++ )
352     {
353         p_module = (module_t *)p_list->p_values[i_index].p_object;
354         if( !strcmp( p_module->psz_object_name, "main" ) )
355             break;
356     }
357     if( i_index < p_list->i_count )
358     {
359         wxTreeItemId current_item;
360         char *psz_help;
361         /* We found the main module */
362
363         /* Enumerate config categories and store a reference so we can
364          * generate their config panel them when it is asked by the user. */
365         p_item = p_module->p_config;
366
367         if( p_item ) do
368         {
369             ConfigTreeData *config_data;
370             switch( p_item->i_type )
371             {
372             case CONFIG_CATEGORY:
373                 config_data = new ConfigTreeData;
374                 if( p_item->i_value == -1 )   break; // Don't display it
375                 config_data->psz_name = strdup( config_CategoryNameGet(
376                                                             p_item->i_value ) );
377                 psz_help = config_CategoryHelpGet( p_item->i_value );
378                 if( psz_help )
379                 {
380                     config_data->psz_help = wraptext( strdup( psz_help ),
381                                                       72 , 1 );
382                 }
383                 else
384                 {
385                     config_data->psz_help = NULL;
386                 }
387                 config_data->i_type = TYPE_CATEGORY;
388                 config_data->i_object_id = p_item->i_value;
389
390                 /* Add the category to the tree */
391                 switch( p_item->i_value )
392                 {
393                     case CAT_AUDIO:
394                         i_image = 0; break;
395                     case CAT_VIDEO:
396                         i_image = 1; break;
397                     case CAT_INPUT:
398                         i_image = 2; break;
399                     case CAT_SOUT:
400                         i_image = 3; break;
401                     case CAT_ADVANCED:
402                         i_image = 4; break;
403                     case CAT_PLAYLIST:
404                         i_image = 5; break;
405                     case CAT_INTERFACE:
406                         i_image = 6; break;
407                 }
408                 current_item = AppendItem( root_item,
409                                            wxU( config_data->psz_name ),
410                                            i_image, -1, config_data );
411
412                 break;
413             case CONFIG_SUBCATEGORY:
414                 if( p_item->i_value == -1 ) break; // Don't display it
415                 if( p_item->i_value == SUBCAT_VIDEO_GENERAL ||
416                     p_item->i_value == SUBCAT_AUDIO_GENERAL )
417                 {
418                     ConfigTreeData *cd = (ConfigTreeData *)
419                                             GetItemData( current_item );
420                     cd->i_type = TYPE_CATSUBCAT;
421                     cd->i_subcat_id = p_item->i_value;
422                     if( cd->psz_name ) free( cd->psz_name );
423                     cd->psz_name = strdup(  config_CategoryNameGet(
424                                                       p_item->i_value ) );
425                     if( cd->psz_help ) free( cd->psz_help );
426                     char *psz_help = config_CategoryHelpGet( p_item->i_value );
427                     if( psz_help )
428                     {
429                         cd->psz_help = wraptext( strdup( psz_help ),72 ,
430                                                  1 );
431                     }
432                     else
433                     {
434                         cd->psz_help = NULL;
435                     }
436                     continue;
437                 }
438
439                 config_data = new ConfigTreeData;
440
441                 config_data->psz_name = strdup(  config_CategoryNameGet(
442                                                            p_item->i_value ) );
443                 psz_help = config_CategoryHelpGet( p_item->i_value );
444                 if( psz_help )
445                 {
446                     config_data->psz_help = wraptext( strdup( psz_help ) ,
447                                                       72 , 1 );
448                 }
449                 else
450                 {
451                     config_data->psz_help = NULL;
452                 }
453                 config_data->i_type = TYPE_SUBCATEGORY;
454                 config_data->i_object_id = p_item->i_value;
455                 /* WXMSW doesn't know image -1 ... FIXME */
456                 #ifdef __WXMSW__
457                 switch( p_item->i_value / 100 )
458                 {
459                     case CAT_AUDIO:
460                         i_image = 0; break;
461                     case CAT_VIDEO:
462                         i_image = 1; break;
463                     case CAT_INPUT:
464                         i_image = 2; break;
465                     case CAT_SOUT:
466                         i_image = 3; break;
467                     case CAT_ADVANCED:
468                         i_image = 4; break;
469                     case CAT_PLAYLIST:
470                         i_image = 5; break;
471                     case CAT_INTERFACE:
472                         i_image = 6; break;
473                 }
474                 #else
475                 i_image = -1;
476                 #endif
477                 AppendItem( current_item, wxU( config_data->psz_name ),
478                             i_image, -1, config_data );
479                 break;
480             }
481         }
482         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
483
484     }
485
486
487     /*
488      * Build a tree of all the plugins
489      */
490     for( i_index = 0; i_index < p_list->i_count; i_index++ )
491     {
492         int i_category = -1;
493         int i_subcategory = -1;
494         int i_options = 0;
495
496         p_module = (module_t *)p_list->p_values[i_index].p_object;
497
498         /* Exclude the main module */
499         if( !strcmp( p_module->psz_object_name, "main" ) )
500             continue;
501
502         /* Exclude empty plugins (submodules don't have config options, they
503          * are stored in the parent module) */
504         if( p_module->b_submodule )
505               continue;
506 //            p_item = ((module_t *)p_module->p_parent)->p_config;
507         else
508             p_item = p_module->p_config;
509
510
511         if( !p_item ) continue;
512         do
513         {
514             if( p_item->i_type == CONFIG_CATEGORY )
515             {
516                 i_category = p_item->i_value;
517             }
518             else if( p_item->i_type == CONFIG_SUBCATEGORY )
519             {
520                 i_subcategory = p_item->i_value;
521             }
522             if( p_item->i_type & CONFIG_ITEM )
523                 i_options ++;
524             if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
525             {
526                 break;
527             }
528         }
529         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
530
531         if( !i_options ) continue;
532
533         /* Find the right category item */
534         wxTreeItemIdValue cookie;
535         vlc_bool_t b_found = VLC_FALSE;
536
537         wxTreeItemId category_item = GetFirstChild( root_item , cookie);
538         while( category_item.IsOk() )
539         {
540             ConfigTreeData *config_data =
541                     (ConfigTreeData *)GetItemData( category_item );
542             if( config_data->i_object_id == i_category )
543             {
544                 b_found = VLC_TRUE;
545                 break;
546             }
547             category_item = GetNextChild( root_item, cookie );
548         }
549
550         if( !b_found ) continue;
551
552         /* Find subcategory item */
553         b_found = VLC_FALSE;
554         //cookie = -1;
555         wxTreeItemId subcategory_item = GetFirstChild( category_item, cookie );
556         while( subcategory_item.IsOk() )
557         {
558             ConfigTreeData *config_data =
559                     (ConfigTreeData *)GetItemData( subcategory_item );
560             if( config_data->i_object_id == i_subcategory )
561             {
562                 b_found = VLC_TRUE;
563                 break;
564             }
565             subcategory_item = GetNextChild( category_item, cookie );
566         }
567         if( !b_found )
568         {
569             subcategory_item = category_item;
570         }
571
572         /* Add the plugin to the tree */
573         ConfigTreeData *config_data = new ConfigTreeData;
574         config_data->b_submodule = p_module->b_submodule;
575         config_data->i_type = TYPE_MODULE;
576         config_data->i_object_id = p_module->b_submodule ?
577             ((module_t *)p_module->p_parent)->i_object_id :
578             p_module->i_object_id;
579         config_data->psz_help = NULL;
580
581         /* WXMSW doesn't know image -1 ... FIXME */
582         #ifdef __WXMSW__
583         switch( i_subcategory / 100 )
584         {
585             case CAT_AUDIO:
586                 i_image = 0; break;
587             case CAT_VIDEO:
588                 i_image = 1; break;
589             case CAT_INPUT:
590                 i_image = 2; break;
591             case CAT_SOUT:
592                 i_image = 3; break;
593             case CAT_ADVANCED:
594                 i_image = 4; break;
595             case CAT_PLAYLIST:
596                 i_image = 5; break;
597             case CAT_INTERFACE:
598                 i_image = 6; break;
599         }
600         #else
601         i_image = -1;
602         #endif
603         AppendItem( subcategory_item, wxU( p_module->psz_shortname ?
604                        p_module->psz_shortname : p_module->psz_object_name )
605                                     , i_image, -1,
606                     config_data );
607     }
608
609     /* Sort all this mess */
610     wxTreeItemIdValue cookie;
611     size_t i_child_index;
612     wxTreeItemId capability_item = GetFirstChild( root_item, cookie);
613     for( i_child_index = 0;
614          (capability_item.IsOk() &&
615           //(i_child_index < GetChildrenCount( plugins_item, FALSE )));
616           (i_child_index < GetChildrenCount( root_item, FALSE )));
617          i_child_index++ )
618     {
619         SortChildren( capability_item );
620         //capability_item = GetNextChild( plugins_item, cookie );
621         capability_item = GetNextChild( root_item, cookie );
622     }
623
624     /* Clean-up everything */
625     vlc_list_release( p_list );
626
627     p_sizer->Add( this, 1, wxEXPAND | wxALL, 0 );
628     p_sizer->Layout();
629
630     p_current = NULL;
631
632     /* Update Tree Ctrl */
633 #ifndef WIN32 /* Workaround a bug in win32 implementation */
634     SelectItem( GetFirstChild( root_item, cookie ) );
635 #endif
636
637     //cannot expand hidden root item
638     //Expand( root_item );
639 }
640
641 PrefsTreeCtrl::~PrefsTreeCtrl(){
642 }
643
644 void PrefsTreeCtrl::ApplyChanges()
645 {
646     wxTreeItemIdValue cookie, cookie2, cookie3;
647     ConfigTreeData *config_data;
648
649     wxTreeItemId category = GetFirstChild( root_item, cookie );
650     while( category.IsOk() )
651     {
652         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
653         while( subcategory.IsOk() )
654         {
655             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
656             while( module.IsOk() )
657             {
658                 config_data = (ConfigTreeData *)GetItemData( module );
659                 if( config_data && config_data->panel )
660                 {
661                     config_data->panel->ApplyChanges();
662                 }
663                 module = GetNextChild( subcategory, cookie3 );
664             }
665             config_data = (ConfigTreeData *)GetItemData( subcategory );
666             if( config_data && config_data->panel )
667             {
668                 config_data->panel->ApplyChanges();
669             }
670             subcategory = GetNextChild( category, cookie2 );
671         }
672         config_data = (ConfigTreeData *)GetItemData( category );
673         if( config_data && config_data->panel )
674         {
675             config_data->panel->ApplyChanges();
676         }
677         category = GetNextChild( root_item, cookie );
678     }
679 }
680
681 void PrefsTreeCtrl::CleanChanges()
682 {
683     wxTreeItemIdValue cookie, cookie2, cookie3;
684     ConfigTreeData *config_data;
685
686     config_data = !GetSelection() ? NULL :
687         FindModuleConfig( (ConfigTreeData *)GetItemData( GetSelection() ) );
688     if( config_data  )
689     {
690         config_data->panel->Hide();
691 #if (wxCHECK_VERSION(2,5,0))
692         p_sizer->Detach( config_data->panel );
693 #else
694         p_sizer->Remove( config_data->panel );
695 #endif
696         p_current = NULL;
697     }
698
699     wxTreeItemId category = GetFirstChild( root_item, cookie );
700     while( category.IsOk() )
701     {
702         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
703         while( subcategory.IsOk() )
704         {
705             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
706             while( module.IsOk() )
707             {
708                 config_data = (ConfigTreeData *)GetItemData( module );
709                 if( config_data && config_data->panel )
710                 {
711                     delete config_data->panel;
712                     config_data->panel = NULL;
713                 }
714                 module = GetNextChild( subcategory, cookie3 );
715             }
716             config_data = (ConfigTreeData *)GetItemData( subcategory );
717             if( config_data && config_data->panel )
718             {
719                 delete config_data->panel;
720                 config_data->panel = NULL;
721             }
722             subcategory = GetNextChild( category, cookie2 );
723         }
724         config_data = (ConfigTreeData *)GetItemData( category );
725         if( config_data && config_data->panel )
726         {
727             delete config_data->panel;
728             config_data->panel = NULL;
729         }
730         category = GetNextChild( root_item, cookie );
731     }
732
733     if( GetSelection() )
734     {
735         wxTreeEvent event;
736         OnSelectTreeItem( event );
737     }
738 }
739
740 ConfigTreeData *PrefsTreeCtrl::FindModuleConfig( ConfigTreeData *config_data )
741 {
742     /* We need this complexity because submodules don't have their own config
743      * options. They use the parent module ones. */
744
745     if( !config_data || !config_data->b_submodule )
746     {
747         return config_data;
748     }
749
750     wxTreeItemIdValue cookie, cookie2, cookie3;
751     ConfigTreeData *config_new;
752     wxTreeItemId category = GetFirstChild( root_item, cookie );
753     while( category.IsOk() )
754     {
755         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
756         while( subcategory.IsOk() )
757         {
758             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
759             while( module.IsOk() )
760             {
761                 config_new = (ConfigTreeData *)GetItemData( module );
762                 if( config_new && !config_new->b_submodule &&
763                     config_new->i_object_id == config_data->i_object_id )
764                 {
765                     return config_new;
766                 }
767                 module = GetNextChild( subcategory, cookie3 );
768             }
769             subcategory = GetNextChild( category, cookie2 );
770         }
771         category = GetNextChild( root_item, cookie );
772     }
773
774     /* Found nothing */
775     return NULL;
776 }
777
778 void PrefsTreeCtrl::OnSelectTreeItem( wxTreeEvent& event )
779 {
780     ConfigTreeData *config_data = NULL;
781
782     if( p_current )
783     {
784         p_current->Hide();
785 #if (wxCHECK_VERSION(2,5,0))
786         p_sizer->Detach( p_current  );
787 #else
788         p_sizer->Remove( p_current );
789 #endif
790         p_current = NULL;
791     }
792
793     /* Don't use event.GetItem() because we also send fake events */
794     config_data = FindModuleConfig( (ConfigTreeData *)GetItemData(
795                                     GetSelection() ) );
796     if( config_data )
797     {
798         if( !config_data->panel )
799         {
800             /* The panel hasn't been created yet. Let's do it. */
801             config_data->panel =
802                 new PrefsPanel( p_parent, p_intf, p_prefs_dialog,
803                                 config_data );
804             config_data->panel->SwitchAdvanced( b_advanced );
805         }
806         else
807         {
808             config_data->panel->SwitchAdvanced( b_advanced );
809             config_data->panel->Show();
810         }
811
812         p_current = config_data->panel;
813
814         p_sizer->Add( config_data->panel, 3, wxEXPAND | wxALL, 0 );
815         p_sizer->Layout();
816     }
817 }
818
819 void PrefsTreeCtrl::OnAdvanced( wxCommandEvent& event )
820 {
821     b_advanced = event.GetInt();
822
823     ConfigTreeData *config_data = !GetSelection() ? NULL :
824         FindModuleConfig( (ConfigTreeData *)GetItemData( GetSelection() ) );
825     if( config_data  )
826     {
827         config_data->panel->Hide();
828 #if (wxCHECK_VERSION(2,5,0))
829         p_sizer->Detach( config_data->panel );
830 #else
831         p_sizer->Remove( config_data->panel );
832 #endif
833         p_current = NULL;
834     }
835
836     if( GetSelection() )
837     {
838         wxTreeEvent event;
839         OnSelectTreeItem( event );
840     }
841 }
842
843 /*****************************************************************************
844  * PrefsPanel class definition.
845  *****************************************************************************/
846 PrefsPanel::PrefsPanel( wxWindow* parent, intf_thread_t *_p_intf,
847                         PrefsDialog *_p_prefs_dialog,
848                         ConfigTreeData *config_data )
849   :  wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize )
850 {
851     module_config_t *p_item;
852     vlc_list_t *p_list = NULL;;
853
854     wxStaticText *label;
855     wxStaticText *help;
856     wxArrayString array;
857
858     module_t *p_module = NULL;
859
860     /* Initializations */
861     p_intf = _p_intf;
862     p_prefs_dialog =_p_prefs_dialog,
863
864     b_advanced = VLC_TRUE;
865     SetAutoLayout( TRUE );
866     Hide();
867
868     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
869
870
871     if( config_data->i_type == TYPE_CATEGORY )
872     {
873         label = new wxStaticText( this, -1,wxU(_( config_data->psz_name )));
874         wxFont heading_font = label->GetFont();
875         heading_font.SetPointSize( heading_font.GetPointSize() + 5 );
876         label->SetFont( heading_font );
877         sizer->Add( label, 0, wxEXPAND | wxLEFT, 10 );
878         sizer->Add( new wxStaticLine( this, 0 ), 0,
879                     wxEXPAND | wxLEFT | wxRIGHT, 2 );
880
881         hidden_text = NULL;
882         help = new wxStaticText( this, -1, wxU(_( config_data->psz_help ) ) );
883         sizer->Add( help ,0 ,wxEXPAND | wxALL, 5 );
884
885         config_sizer = NULL; config_window = NULL;
886     }
887     else
888     {
889         /* Get a pointer to the module */
890         if( config_data->i_type == TYPE_MODULE )
891         {
892             p_module = (module_t *)vlc_object_get( p_intf,
893                                                    config_data->i_object_id );
894         }
895         else
896         {
897             /* List the plugins */
898             int i_index;
899             vlc_bool_t b_found = VLC_FALSE;
900             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
901             if( !p_list ) return;
902
903             for( i_index = 0; i_index < p_list->i_count; i_index++ )
904             {
905                 p_module = (module_t *)p_list->p_values[i_index].p_object;
906                 if( !strcmp( p_module->psz_object_name, "main" ) )
907                 {
908                     b_found = VLC_TRUE;
909                     break;
910                 }
911             }
912             if( !p_module && !b_found )
913             {
914                 msg_Warn( p_intf, "ohoh, unable to find main module" );
915                 return;
916             }
917         }
918
919         if( p_module->i_object_type != VLC_OBJECT_MODULE )
920         {
921             /* 0OOoo something went really bad */
922             return;
923         }
924
925         /* Enumerate config options and add corresponding config boxes
926          * (submodules don't have config options, they are stored in the
927          *  parent module) */
928         if( p_module->b_submodule )
929             p_item = ((module_t *)p_module->p_parent)->p_config;
930         else
931             p_item = p_module->p_config;
932
933         /* Find the category if it has been specified */
934         if( config_data->i_type == TYPE_SUBCATEGORY ||
935             config_data->i_type == TYPE_CATSUBCAT )
936         {
937             do
938             {
939                 if( p_item->i_type == CONFIG_SUBCATEGORY &&
940                     ( config_data->i_type == TYPE_SUBCATEGORY &&
941                       p_item->i_value == config_data->i_object_id ) ||
942                     ( config_data->i_type == TYPE_CATSUBCAT &&
943                       p_item->i_value == config_data->i_subcat_id ) )
944                 {
945                     break;
946                 }
947                 if( p_item->i_type == CONFIG_HINT_END )
948                     break;
949             } while( p_item++ );
950         }
951
952         /* Add a head title to the panel */
953         char *psz_head;
954         if( config_data->i_type == TYPE_SUBCATEGORY ||
955             config_data->i_type == TYPE_CATSUBCAT )
956         {
957             psz_head = config_data->psz_name;
958             p_item++;
959         }
960         else
961         {
962             psz_head = p_module->psz_longname;
963         }
964
965         label = new wxStaticText( this, -1,
966                       wxU(_( psz_head ? psz_head : _("Unknown") ) ) );
967         wxFont heading_font = label->GetFont();
968         heading_font.SetPointSize( heading_font.GetPointSize() + 5 );
969         label->SetFont( heading_font );
970         sizer->Add( label, 0, wxEXPAND | wxLEFT, 10 );
971         sizer->Add( new wxStaticLine( this, 0 ), 0,
972                     wxEXPAND | wxLEFT | wxRIGHT, 2 );
973
974         /* Now put all the config options into a scrolled window */
975         config_sizer = new wxBoxSizer( wxVERTICAL );
976         config_window = new wxScrolledWindow( this, -1, wxDefaultPosition,
977             wxDefaultSize, wxBORDER_NONE | wxHSCROLL | wxVSCROLL );
978         config_window->SetAutoLayout( TRUE );
979         config_window->SetScrollRate( 5, 5 );
980
981         if( p_item ) do
982         {
983             /* If a category has been specified, check we finished the job */
984             if( ( ( config_data->i_type == TYPE_SUBCATEGORY &&
985                     p_item->i_value != config_data->i_object_id ) ||
986                   ( config_data->i_type == TYPE_CATSUBCAT  &&
987                     p_item->i_value != config_data->i_subcat_id ) ) &&
988                 (p_item->i_type == CONFIG_CATEGORY ||
989                   p_item->i_type == CONFIG_SUBCATEGORY ) )
990                 break;
991
992             ConfigControl *control =
993                 CreateConfigControl( VLC_OBJECT(p_intf),
994                                      p_item, config_window );
995
996             /* Don't add items that were not recognized */
997             if( control == NULL ) continue;
998
999             /* Add the config data to our array so we can keep a trace of it */
1000             config_array.Add( control );
1001
1002             config_sizer->Add( control, 0, wxEXPAND | wxALL, 2 );
1003         }
1004         while( !( p_item->i_type == CONFIG_HINT_END ||
1005                ( ( config_data->i_type == TYPE_SUBCATEGORY ||
1006                    config_data->i_type == TYPE_CATSUBCAT ) &&
1007                  ( p_item->i_type == CONFIG_CATEGORY ||
1008                    p_item->i_type == CONFIG_SUBCATEGORY ) ) ) && p_item++ );
1009
1010
1011         config_sizer->Layout();
1012         config_window->SetSizer( config_sizer );
1013         sizer->Add( config_window, 1, wxEXPAND | wxALL, 5 );
1014         hidden_text = new wxStaticText( this, -1,
1015                         wxU( _( "Some options are available but hidden. " \
1016                                 "Check \"Advanced options\" to see them." ) ) );
1017         sizer->Add( hidden_text );
1018
1019         /* And at last put a useful help string if available */
1020         if( config_data->psz_help && *config_data->psz_help )
1021         {
1022             sizer->Add( new wxStaticLine( this, 0 ), 0,
1023                         wxEXPAND | wxLEFT | wxRIGHT, 2 );
1024             help = new wxStaticText( this, -1, wxU(_(config_data->psz_help)),
1025                                      wxDefaultPosition, wxDefaultSize,
1026                                      wxALIGN_LEFT,
1027                                      wxT("") );
1028             sizer->Add( help ,0 ,wxEXPAND | wxALL, 5 );
1029         }
1030
1031         if( config_data->i_type == TYPE_MODULE )
1032         {
1033             vlc_object_release( p_module );
1034         }
1035         else
1036         {
1037             vlc_list_release( p_list );
1038         }
1039     }
1040     sizer->Layout();
1041     SetSizer( sizer );
1042     Show();
1043 }
1044
1045 void PrefsPanel::ApplyChanges()
1046 {
1047     vlc_value_t val;
1048
1049     for( size_t i = 0; i < config_array.GetCount(); i++ )
1050     {
1051         ConfigControl *control = config_array.Item(i);
1052
1053         switch( control->GetType() )
1054         {
1055         case CONFIG_ITEM_STRING:
1056         case CONFIG_ITEM_FILE:
1057         case CONFIG_ITEM_DIRECTORY:
1058         case CONFIG_ITEM_MODULE:
1059         case CONFIG_ITEM_MODULE_CAT:
1060         case CONFIG_ITEM_MODULE_LIST:
1061         case CONFIG_ITEM_MODULE_LIST_CAT:
1062             config_PutPsz( p_intf, control->GetName().mb_str(),
1063                            control->GetPszValue().mb_str() );
1064             break;
1065         case CONFIG_ITEM_KEY:
1066             /* So you don't need to restart to have the changes take effect */
1067             val.i_int = control->GetIntValue();
1068             var_Set( p_intf->p_vlc, control->GetName().mb_str(), val );
1069         case CONFIG_ITEM_INTEGER:
1070         case CONFIG_ITEM_BOOL:
1071             config_PutInt( p_intf, control->GetName().mb_str(),
1072                            control->GetIntValue() );
1073             break;
1074         case CONFIG_ITEM_FLOAT:
1075             config_PutFloat( p_intf, control->GetName().mb_str(),
1076                              control->GetFloatValue() );
1077             break;
1078         }
1079     }
1080 }
1081
1082 void PrefsPanel::SwitchAdvanced( vlc_bool_t b_new_advanced )
1083 {
1084     bool hidden = false;
1085
1086     if( b_advanced == b_new_advanced )
1087     {
1088         goto hide;
1089     }
1090
1091     if( config_sizer && config_window )
1092     {
1093         b_advanced = b_new_advanced;
1094
1095         for( size_t i = 0; i < config_array.GetCount(); i++ )
1096         {
1097             ConfigControl *control = config_array.Item(i);
1098             if( control->IsAdvanced() )
1099             {
1100                 if( !b_advanced ) hidden = true;
1101                 control->Show( b_advanced );
1102                 config_sizer->Show( control, b_advanced );
1103             }
1104         }
1105
1106         config_sizer->Layout();
1107         config_window->FitInside();
1108         config_window->Refresh();
1109     }
1110 hide:
1111     if( hidden && hidden_text )
1112     {
1113         hidden_text->Show( true );
1114         config_sizer->Show( hidden_text, true );
1115     }
1116     else if ( hidden_text )
1117     {
1118         hidden_text->Show( false );
1119         config_sizer->Show( hidden_text, false );
1120     }
1121     return;
1122 }