WxWidgets: use wraptext in UTF-8 mode as that is the codeset for gettext
[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 );
205     ok_button->SetDefault();
206     wxButton *cancel_button = new wxButton( panel, wxID_CANCEL );
207     wxButton *save_button = new wxButton( panel, wxID_SAVE );
208     wxButton *reset_button = new wxButton( panel, ResetAll_Event,
209                                            wxU(_("Reset All")) );
210
211     wxPanel *dummy_panel = new wxPanel( this, -1 );
212     wxCheckBox *advanced_checkbox =
213         new wxCheckBox( panel, Advanced_Event, wxU(_("Advanced options")) );
214
215     if( config_GetInt( p_intf, "advanced" ) )
216     {
217         advanced_checkbox->SetValue(TRUE);
218         wxCommandEvent dummy_event;
219         dummy_event.SetInt(TRUE);
220         OnAdvanced( dummy_event );
221     }
222
223     /* Place everything in sizers */
224     wxBoxSizer *button_sizer = new wxBoxSizer( wxHORIZONTAL );
225     button_sizer->Add( ok_button, 0, wxALL, 5 );
226     button_sizer->Add( cancel_button, 0, wxALL, 5 );
227     button_sizer->Add( save_button, 0, wxALL, 5 );
228     button_sizer->Add( reset_button, 0, wxALL, 5 );
229     button_sizer->Add( dummy_panel, 1, wxALL, 5 );
230     button_sizer->Add( advanced_checkbox, 0, wxALL | wxALIGN_RIGHT |
231                        wxALIGN_CENTER_VERTICAL, 0 );
232     button_sizer->Layout();
233
234     wxBoxSizer *main_sizer = new wxBoxSizer( wxVERTICAL );
235     wxBoxSizer *panel_sizer = new wxBoxSizer( wxVERTICAL );
236     panel_sizer->Add( controls_sizer, 1, wxEXPAND | wxALL, 5 );
237     panel_sizer->Add( static_line, 0, wxEXPAND | wxALL, 5 );
238     panel_sizer->Add( button_sizer, 0, wxALIGN_LEFT | wxALIGN_BOTTOM |
239                       wxALL | wxEXPAND, 5 );
240     panel_sizer->Layout();
241     panel->SetSizer( panel_sizer );
242     main_sizer->Add( panel, 1, wxEXPAND, 0 );
243     main_sizer->Layout();
244     SetSizer( main_sizer );
245 }
246
247 PrefsDialog::~PrefsDialog()
248 {
249 }
250
251 /*****************************************************************************
252  * Private methods.
253  *****************************************************************************/
254
255
256 /*****************************************************************************
257  * Events methods.
258  *****************************************************************************/
259 void PrefsDialog::OnOk( wxCommandEvent& WXUNUSED(event) )
260 {
261     prefs_tree->ApplyChanges();
262     this->Hide();
263     prefs_tree->CleanChanges();
264 }
265
266 void PrefsDialog::OnClose( wxCloseEvent& WXUNUSED(event) )
267 {
268     wxCommandEvent cevent;
269     OnCancel(cevent);
270 }
271
272 void PrefsDialog::OnCancel( wxCommandEvent& WXUNUSED(event) )
273 {
274     this->Hide();
275     prefs_tree->CleanChanges();
276 }
277
278 void PrefsDialog::OnSave( wxCommandEvent& WXUNUSED(event) )
279 {
280     prefs_tree->ApplyChanges();
281     config_SaveConfigFile( p_intf, NULL );
282     this->Hide();
283 }
284
285 void PrefsDialog::OnResetAll( wxCommandEvent& WXUNUSED(event) )
286 {
287     wxMessageDialog dlg( this,
288         wxU(_("Beware this will reset your VLC media player preferences.\n"
289               "Are you sure you want to continue?")),
290         wxU(_("Reset Preferences")), wxYES_NO|wxNO_DEFAULT|wxCENTRE );
291
292     if ( dlg.ShowModal() == wxID_YES )
293     {
294         /* TODO: need to reset all the controls */
295         config_ResetAll( p_intf );
296         prefs_tree->CleanChanges();
297         config_SaveConfigFile( p_intf, NULL );
298     }
299 }
300
301 void PrefsDialog::OnAdvanced( wxCommandEvent& event )
302 {
303     wxCommandEvent newevent( wxEVT_USER_FIRST, Advanced_Event );
304     newevent.SetInt( event.GetInt() );
305
306     prefs_tree->AddPendingEvent( newevent );
307 }
308
309 /*****************************************************************************
310  * PrefsTreeCtrl class definition.
311  *****************************************************************************/
312 PrefsTreeCtrl::PrefsTreeCtrl( wxWindow *_p_parent, intf_thread_t *_p_intf,
313                               PrefsDialog *_p_prefs_dialog,
314                               wxBoxSizer *_p_sizer )
315   : wxTreeCtrl( _p_parent, PrefsTree_Ctrl, wxDefaultPosition, wxSize(200,-1),
316                 wxTR_NO_LINES | wxTR_FULL_ROW_HIGHLIGHT |
317                 wxTR_LINES_AT_ROOT | wxTR_HIDE_ROOT |
318                 wxTR_HAS_BUTTONS | wxTR_TWIST_BUTTONS | wxSUNKEN_BORDER )
319 {
320     vlc_list_t      *p_list = NULL;;
321     module_t        *p_module;
322     module_config_t *p_item;
323     int i_index, i_image=0;
324
325     /* Initializations */
326     p_intf = _p_intf;
327     p_prefs_dialog = _p_prefs_dialog;
328     p_sizer = _p_sizer;
329     p_parent = _p_parent;
330     b_advanced = VLC_FALSE;
331
332     root_item = AddRoot( wxT("") );
333     wxASSERT_MSG(root_item.IsOk(), wxT("Could not add root item"));
334
335     wxImageList *p_images = new wxImageList( 16,16,TRUE );
336     p_images->Add( wxIcon( audio_xpm ) );
337     p_images->Add( wxIcon( video_xpm ) );
338     p_images->Add( wxIcon( codec_xpm ) );
339     p_images->Add( wxIcon( type_net_xpm ) );
340     p_images->Add( wxIcon( advanced_xpm ) );
341     p_images->Add( wxIcon( type_playlist_xpm ) );
342     p_images->Add( wxIcon( intf_xpm ) );
343     AssignImageList( p_images );
344
345     /* List the plugins */
346     p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
347     if( !p_list ) return;
348
349     /* Build the categories list */
350     for( i_index = 0; i_index < p_list->i_count; i_index++ )
351     {
352         p_module = (module_t *)p_list->p_values[i_index].p_object;
353         if( !strcmp( p_module->psz_object_name, "main" ) )
354             break;
355     }
356     if( i_index < p_list->i_count )
357     {
358         wxTreeItemId current_item;
359         char *psz_help;
360         /* We found the main module */
361
362         /* Enumerate config categories and store a reference so we can
363          * generate their config panel them when it is asked by the user. */
364         p_item = p_module->p_config;
365
366         if( p_item ) do
367         {
368             ConfigTreeData *config_data;
369             switch( p_item->i_type )
370             {
371             case CONFIG_CATEGORY:
372                 config_data = new ConfigTreeData;
373                 if( p_item->i_value == -1 )   break; // Don't display it
374                 config_data->psz_name = strdup( config_CategoryNameGet(
375                                                             p_item->i_value ) );
376                 psz_help = config_CategoryHelpGet( p_item->i_value );
377                 if( psz_help )
378                 {
379                     config_data->psz_help = wraptext( strdup( psz_help ), 72 );
380                 }
381                 else
382                 {
383                     config_data->psz_help = NULL;
384                 }
385                 config_data->i_type = TYPE_CATEGORY;
386                 config_data->i_object_id = p_item->i_value;
387
388                 /* Add the category to the tree */
389                 switch( p_item->i_value )
390                 {
391                     case CAT_AUDIO:
392                         i_image = 0; break;
393                     case CAT_VIDEO:
394                         i_image = 1; break;
395                     case CAT_INPUT:
396                         i_image = 2; break;
397                     case CAT_SOUT:
398                         i_image = 3; break;
399                     case CAT_ADVANCED:
400                         i_image = 4; break;
401                     case CAT_PLAYLIST:
402                         i_image = 5; break;
403                     case CAT_INTERFACE:
404                         i_image = 6; break;
405                 }
406                 current_item = AppendItem( root_item,
407                                            wxU( config_data->psz_name ),
408                                            i_image, -1, config_data );
409
410                 break;
411             case CONFIG_SUBCATEGORY:
412                 if( p_item->i_value == -1 ) break; // Don't display it
413                 if( p_item->i_value == SUBCAT_VIDEO_GENERAL ||
414                     p_item->i_value == SUBCAT_AUDIO_GENERAL )
415                 {
416                     ConfigTreeData *cd = (ConfigTreeData *)
417                                             GetItemData( current_item );
418                     cd->i_type = TYPE_CATSUBCAT;
419                     cd->i_subcat_id = p_item->i_value;
420                     if( cd->psz_name ) free( cd->psz_name );
421                     cd->psz_name = strdup(  config_CategoryNameGet(
422                                                       p_item->i_value ) );
423                     if( cd->psz_help ) free( cd->psz_help );
424                     char *psz_help = config_CategoryHelpGet( p_item->i_value );
425                     if( psz_help )
426                     {
427                         cd->psz_help = wraptext( strdup( psz_help ), 72 );
428                     }
429                     else
430                     {
431                         cd->psz_help = NULL;
432                     }
433                     continue;
434                 }
435
436                 config_data = new ConfigTreeData;
437
438                 config_data->psz_name = strdup(  config_CategoryNameGet(
439                                                            p_item->i_value ) );
440                 psz_help = config_CategoryHelpGet( p_item->i_value );
441                 if( psz_help )
442                 {
443                     config_data->psz_help = wraptext( strdup( psz_help ), 72 );
444                 }
445                 else
446                 {
447                     config_data->psz_help = NULL;
448                 }
449                 config_data->i_type = TYPE_SUBCATEGORY;
450                 config_data->i_object_id = p_item->i_value;
451                 /* WXMSW doesn't know image -1 ... FIXME */
452                 #ifdef __WXMSW__
453                 switch( p_item->i_value / 100 )
454                 {
455                     case CAT_AUDIO:
456                         i_image = 0; break;
457                     case CAT_VIDEO:
458                         i_image = 1; break;
459                     case CAT_INPUT:
460                         i_image = 2; break;
461                     case CAT_SOUT:
462                         i_image = 3; break;
463                     case CAT_ADVANCED:
464                         i_image = 4; break;
465                     case CAT_PLAYLIST:
466                         i_image = 5; break;
467                     case CAT_INTERFACE:
468                         i_image = 6; break;
469                 }
470                 #else
471                 i_image = -1;
472                 #endif
473                 AppendItem( current_item, wxU( config_data->psz_name ),
474                             i_image, -1, config_data );
475                 break;
476             }
477         }
478         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
479
480     }
481
482
483     /*
484      * Build a tree of all the plugins
485      */
486     for( i_index = 0; i_index < p_list->i_count; i_index++ )
487     {
488         int i_category = -1;
489         int i_subcategory = -1;
490         int i_options = 0;
491
492         p_module = (module_t *)p_list->p_values[i_index].p_object;
493
494         /* Exclude the main module */
495         if( !strcmp( p_module->psz_object_name, "main" ) )
496             continue;
497
498         /* Exclude empty plugins (submodules don't have config options, they
499          * are stored in the parent module) */
500         if( p_module->b_submodule )
501               continue;
502 //            p_item = ((module_t *)p_module->p_parent)->p_config;
503         else
504             p_item = p_module->p_config;
505
506
507         if( !p_item ) continue;
508         do
509         {
510             if( p_item->i_type == CONFIG_CATEGORY )
511             {
512                 i_category = p_item->i_value;
513             }
514             else if( p_item->i_type == CONFIG_SUBCATEGORY )
515             {
516                 i_subcategory = p_item->i_value;
517             }
518             if( p_item->i_type & CONFIG_ITEM )
519                 i_options ++;
520             if( i_options > 0 && i_category >= 0 && i_subcategory >= 0 )
521             {
522                 break;
523             }
524         }
525         while( p_item->i_type != CONFIG_HINT_END && p_item++ );
526
527         if( !i_options ) continue;
528
529         /* Find the right category item */
530         wxTreeItemIdValue cookie;
531         vlc_bool_t b_found = VLC_FALSE;
532
533         wxTreeItemId category_item = GetFirstChild( root_item , cookie);
534         while( category_item.IsOk() )
535         {
536             ConfigTreeData *config_data =
537                     (ConfigTreeData *)GetItemData( category_item );
538             if( config_data->i_object_id == i_category )
539             {
540                 b_found = VLC_TRUE;
541                 break;
542             }
543             category_item = GetNextChild( root_item, cookie );
544         }
545
546         if( !b_found ) continue;
547
548         /* Find subcategory item */
549         b_found = VLC_FALSE;
550         //cookie = -1;
551         wxTreeItemId subcategory_item = GetFirstChild( category_item, cookie );
552         while( subcategory_item.IsOk() )
553         {
554             ConfigTreeData *config_data =
555                     (ConfigTreeData *)GetItemData( subcategory_item );
556             if( config_data->i_object_id == i_subcategory )
557             {
558                 b_found = VLC_TRUE;
559                 break;
560             }
561             subcategory_item = GetNextChild( category_item, cookie );
562         }
563         if( !b_found )
564         {
565             subcategory_item = category_item;
566         }
567
568         /* Add the plugin to the tree */
569         ConfigTreeData *config_data = new ConfigTreeData;
570         config_data->b_submodule = p_module->b_submodule;
571         config_data->i_type = TYPE_MODULE;
572         config_data->i_object_id = p_module->b_submodule ?
573             ((module_t *)p_module->p_parent)->i_object_id :
574             p_module->i_object_id;
575         config_data->psz_help = NULL;
576
577         /* WXMSW doesn't know image -1 ... FIXME */
578         #ifdef __WXMSW__
579         switch( i_subcategory / 100 )
580         {
581             case CAT_AUDIO:
582                 i_image = 0; break;
583             case CAT_VIDEO:
584                 i_image = 1; break;
585             case CAT_INPUT:
586                 i_image = 2; break;
587             case CAT_SOUT:
588                 i_image = 3; break;
589             case CAT_ADVANCED:
590                 i_image = 4; break;
591             case CAT_PLAYLIST:
592                 i_image = 5; break;
593             case CAT_INTERFACE:
594                 i_image = 6; break;
595         }
596         #else
597         i_image = -1;
598         #endif
599         AppendItem( subcategory_item, wxU( p_module->psz_shortname ?
600                        p_module->psz_shortname : p_module->psz_object_name )
601                                     , i_image, -1,
602                     config_data );
603     }
604
605     /* Sort all this mess */
606     wxTreeItemIdValue cookie;
607     size_t i_child_index;
608     wxTreeItemId capability_item = GetFirstChild( root_item, cookie);
609     for( i_child_index = 0;
610          (capability_item.IsOk() &&
611           //(i_child_index < GetChildrenCount( plugins_item, FALSE )));
612           (i_child_index < GetChildrenCount( root_item, FALSE )));
613          i_child_index++ )
614     {
615         SortChildren( capability_item );
616         //capability_item = GetNextChild( plugins_item, cookie );
617         capability_item = GetNextChild( root_item, cookie );
618     }
619
620     /* Clean-up everything */
621     vlc_list_release( p_list );
622
623     p_sizer->Add( this, 1, wxEXPAND | wxALL, 0 );
624     p_sizer->Layout();
625
626     p_current = NULL;
627
628     /* Update Tree Ctrl */
629 #ifndef WIN32 /* Workaround a bug in win32 implementation */
630     SelectItem( GetFirstChild( root_item, cookie ) );
631 #endif
632
633     //cannot expand hidden root item
634     //Expand( root_item );
635 }
636
637 PrefsTreeCtrl::~PrefsTreeCtrl(){
638 }
639
640 void PrefsTreeCtrl::ApplyChanges()
641 {
642     wxTreeItemIdValue cookie, cookie2, cookie3;
643     ConfigTreeData *config_data;
644
645     wxTreeItemId category = GetFirstChild( root_item, cookie );
646     while( category.IsOk() )
647     {
648         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
649         while( subcategory.IsOk() )
650         {
651             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
652             while( module.IsOk() )
653             {
654                 config_data = (ConfigTreeData *)GetItemData( module );
655                 if( config_data && config_data->panel )
656                 {
657                     config_data->panel->ApplyChanges();
658                 }
659                 module = GetNextChild( subcategory, cookie3 );
660             }
661             config_data = (ConfigTreeData *)GetItemData( subcategory );
662             if( config_data && config_data->panel )
663             {
664                 config_data->panel->ApplyChanges();
665             }
666             subcategory = GetNextChild( category, cookie2 );
667         }
668         config_data = (ConfigTreeData *)GetItemData( category );
669         if( config_data && config_data->panel )
670         {
671             config_data->panel->ApplyChanges();
672         }
673         category = GetNextChild( root_item, cookie );
674     }
675 }
676
677 void PrefsTreeCtrl::CleanChanges()
678 {
679     wxTreeItemIdValue cookie, cookie2, cookie3;
680     ConfigTreeData *config_data;
681
682     config_data = !GetSelection() ? NULL :
683         FindModuleConfig( (ConfigTreeData *)GetItemData( GetSelection() ) );
684     if( config_data  )
685     {
686         config_data->panel->Hide();
687 #if (wxCHECK_VERSION(2,5,0))
688         p_sizer->Detach( config_data->panel );
689 #else
690         p_sizer->Remove( config_data->panel );
691 #endif
692         p_current = NULL;
693     }
694
695     wxTreeItemId category = GetFirstChild( root_item, cookie );
696     while( category.IsOk() )
697     {
698         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
699         while( subcategory.IsOk() )
700         {
701             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
702             while( module.IsOk() )
703             {
704                 config_data = (ConfigTreeData *)GetItemData( module );
705                 if( config_data && config_data->panel )
706                 {
707                     delete config_data->panel;
708                     config_data->panel = NULL;
709                 }
710                 module = GetNextChild( subcategory, cookie3 );
711             }
712             config_data = (ConfigTreeData *)GetItemData( subcategory );
713             if( config_data && config_data->panel )
714             {
715                 delete config_data->panel;
716                 config_data->panel = NULL;
717             }
718             subcategory = GetNextChild( category, cookie2 );
719         }
720         config_data = (ConfigTreeData *)GetItemData( category );
721         if( config_data && config_data->panel )
722         {
723             delete config_data->panel;
724             config_data->panel = NULL;
725         }
726         category = GetNextChild( root_item, cookie );
727     }
728
729     if( GetSelection() )
730     {
731         wxTreeEvent event;
732         OnSelectTreeItem( event );
733     }
734 }
735
736 ConfigTreeData *PrefsTreeCtrl::FindModuleConfig( ConfigTreeData *config_data )
737 {
738     /* We need this complexity because submodules don't have their own config
739      * options. They use the parent module ones. */
740
741     if( !config_data || !config_data->b_submodule )
742     {
743         return config_data;
744     }
745
746     wxTreeItemIdValue cookie, cookie2, cookie3;
747     ConfigTreeData *config_new;
748     wxTreeItemId category = GetFirstChild( root_item, cookie );
749     while( category.IsOk() )
750     {
751         wxTreeItemId subcategory = GetFirstChild( category, cookie2 );
752         while( subcategory.IsOk() )
753         {
754             wxTreeItemId module = GetFirstChild( subcategory, cookie3 );
755             while( module.IsOk() )
756             {
757                 config_new = (ConfigTreeData *)GetItemData( module );
758                 if( config_new && !config_new->b_submodule &&
759                     config_new->i_object_id == config_data->i_object_id )
760                 {
761                     return config_new;
762                 }
763                 module = GetNextChild( subcategory, cookie3 );
764             }
765             subcategory = GetNextChild( category, cookie2 );
766         }
767         category = GetNextChild( root_item, cookie );
768     }
769
770     /* Found nothing */
771     return NULL;
772 }
773
774 void PrefsTreeCtrl::OnSelectTreeItem( wxTreeEvent& event )
775 {
776     ConfigTreeData *config_data = NULL;
777
778     if( p_current )
779     {
780         p_current->Hide();
781 #if (wxCHECK_VERSION(2,5,0))
782         p_sizer->Detach( p_current  );
783 #else
784         p_sizer->Remove( p_current );
785 #endif
786         p_current = NULL;
787     }
788
789     /* Don't use event.GetItem() because we also send fake events */
790     config_data = FindModuleConfig( (ConfigTreeData *)GetItemData(
791                                     GetSelection() ) );
792     if( config_data )
793     {
794         if( !config_data->panel )
795         {
796             /* The panel hasn't been created yet. Let's do it. */
797             config_data->panel =
798                 new PrefsPanel( p_parent, p_intf, p_prefs_dialog,
799                                 config_data );
800             config_data->panel->SwitchAdvanced( b_advanced );
801         }
802         else
803         {
804             config_data->panel->SwitchAdvanced( b_advanced );
805             config_data->panel->Show();
806         }
807
808         p_current = config_data->panel;
809
810         p_sizer->Add( config_data->panel, 3, wxEXPAND | wxALL, 0 );
811         p_sizer->Layout();
812     }
813 }
814
815 void PrefsTreeCtrl::OnAdvanced( wxCommandEvent& event )
816 {
817     b_advanced = event.GetInt();
818
819     ConfigTreeData *config_data = !GetSelection() ? NULL :
820         FindModuleConfig( (ConfigTreeData *)GetItemData( GetSelection() ) );
821     if( config_data  )
822     {
823         config_data->panel->Hide();
824 #if (wxCHECK_VERSION(2,5,0))
825         p_sizer->Detach( config_data->panel );
826 #else
827         p_sizer->Remove( config_data->panel );
828 #endif
829         p_current = NULL;
830     }
831
832     if( GetSelection() )
833     {
834         wxTreeEvent event;
835         OnSelectTreeItem( event );
836     }
837 }
838
839 /*****************************************************************************
840  * PrefsPanel class definition.
841  *****************************************************************************/
842 PrefsPanel::PrefsPanel( wxWindow* parent, intf_thread_t *_p_intf,
843                         PrefsDialog *_p_prefs_dialog,
844                         ConfigTreeData *config_data )
845   :  wxPanel( parent, -1, wxDefaultPosition, wxDefaultSize )
846 {
847     module_config_t *p_item;
848     vlc_list_t *p_list = NULL;;
849
850     wxStaticText *label;
851     wxStaticText *help;
852     wxArrayString array;
853
854     module_t *p_module = NULL;
855
856     /* Initializations */
857     p_intf = _p_intf;
858     p_prefs_dialog =_p_prefs_dialog,
859
860     b_advanced = VLC_TRUE;
861     SetAutoLayout( TRUE );
862     Hide();
863
864     wxBoxSizer *sizer = new wxBoxSizer( wxVERTICAL );
865
866
867     if( config_data->i_type == TYPE_CATEGORY )
868     {
869         label = new wxStaticText( this, -1,wxU(_( config_data->psz_name )));
870         wxFont heading_font = label->GetFont();
871         heading_font.SetPointSize( heading_font.GetPointSize() + 5 );
872         label->SetFont( heading_font );
873         sizer->Add( label, 0, wxEXPAND | wxLEFT, 10 );
874         sizer->Add( new wxStaticLine( this, 0 ), 0,
875                     wxEXPAND | wxLEFT | wxRIGHT, 2 );
876
877         hidden_text = NULL;
878         help = new wxStaticText( this, -1, wxU(_( config_data->psz_help ) ) );
879         sizer->Add( help ,0 ,wxEXPAND | wxALL, 5 );
880
881         config_sizer = NULL; config_window = NULL;
882     }
883     else
884     {
885         /* Get a pointer to the module */
886         if( config_data->i_type == TYPE_MODULE )
887         {
888             p_module = (module_t *)vlc_object_get( p_intf,
889                                                    config_data->i_object_id );
890         }
891         else
892         {
893             /* List the plugins */
894             int i_index;
895             vlc_bool_t b_found = VLC_FALSE;
896             p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
897             if( !p_list ) return;
898
899             for( i_index = 0; i_index < p_list->i_count; i_index++ )
900             {
901                 p_module = (module_t *)p_list->p_values[i_index].p_object;
902                 if( !strcmp( p_module->psz_object_name, "main" ) )
903                 {
904                     b_found = VLC_TRUE;
905                     break;
906                 }
907             }
908             if( !p_module && !b_found )
909             {
910                 msg_Warn( p_intf, "ohoh, unable to find main module" );
911                 return;
912             }
913         }
914
915         if( p_module->i_object_type != VLC_OBJECT_MODULE )
916         {
917             /* 0OOoo something went really bad */
918             return;
919         }
920
921         /* Enumerate config options and add corresponding config boxes
922          * (submodules don't have config options, they are stored in the
923          *  parent module) */
924         if( p_module->b_submodule )
925             p_item = ((module_t *)p_module->p_parent)->p_config;
926         else
927             p_item = p_module->p_config;
928
929         /* Find the category if it has been specified */
930         if( config_data->i_type == TYPE_SUBCATEGORY ||
931             config_data->i_type == TYPE_CATSUBCAT )
932         {
933             do
934             {
935                 if( p_item->i_type == CONFIG_SUBCATEGORY &&
936                     ( config_data->i_type == TYPE_SUBCATEGORY &&
937                       p_item->i_value == config_data->i_object_id ) ||
938                     ( config_data->i_type == TYPE_CATSUBCAT &&
939                       p_item->i_value == config_data->i_subcat_id ) )
940                 {
941                     break;
942                 }
943                 if( p_item->i_type == CONFIG_HINT_END )
944                     break;
945             } while( p_item++ );
946         }
947
948         /* Add a head title to the panel */
949         char *psz_head;
950         if( config_data->i_type == TYPE_SUBCATEGORY ||
951             config_data->i_type == TYPE_CATSUBCAT )
952         {
953             psz_head = config_data->psz_name;
954             p_item++;
955         }
956         else
957         {
958             psz_head = p_module->psz_longname;
959         }
960
961         label = new wxStaticText( this, -1,
962                       wxU(_( psz_head ? psz_head : _("Unknown") ) ) );
963         wxFont heading_font = label->GetFont();
964         heading_font.SetPointSize( heading_font.GetPointSize() + 5 );
965         label->SetFont( heading_font );
966         sizer->Add( label, 0, wxEXPAND | wxLEFT, 10 );
967         sizer->Add( new wxStaticLine( this, 0 ), 0,
968                     wxEXPAND | wxLEFT | wxRIGHT, 2 );
969
970         /* Now put all the config options into a scrolled window */
971         config_sizer = new wxBoxSizer( wxVERTICAL );
972         config_window = new wxScrolledWindow( this, -1, wxDefaultPosition,
973             wxDefaultSize, wxBORDER_NONE | wxHSCROLL | wxVSCROLL );
974         config_window->SetAutoLayout( TRUE );
975         config_window->SetScrollRate( 5, 5 );
976
977         if( p_item ) do
978         {
979             /* If a category has been specified, check we finished the job */
980             if( ( ( config_data->i_type == TYPE_SUBCATEGORY &&
981                     p_item->i_value != config_data->i_object_id ) ||
982                   ( config_data->i_type == TYPE_CATSUBCAT  &&
983                     p_item->i_value != config_data->i_subcat_id ) ) &&
984                 (p_item->i_type == CONFIG_CATEGORY ||
985                   p_item->i_type == CONFIG_SUBCATEGORY ) )
986                 break;
987
988             ConfigControl *control =
989                 CreateConfigControl( VLC_OBJECT(p_intf),
990                                      p_item, config_window );
991
992             /* Don't add items that were not recognized */
993             if( control == NULL ) continue;
994
995             /* Add the config data to our array so we can keep a trace of it */
996             config_array.Add( control );
997
998             config_sizer->Add( control, 0, wxEXPAND | wxALL, 2 );
999         }
1000         while( !( p_item->i_type == CONFIG_HINT_END ||
1001                ( ( config_data->i_type == TYPE_SUBCATEGORY ||
1002                    config_data->i_type == TYPE_CATSUBCAT ) &&
1003                  ( p_item->i_type == CONFIG_CATEGORY ||
1004                    p_item->i_type == CONFIG_SUBCATEGORY ) ) ) && p_item++ );
1005
1006
1007         config_sizer->Layout();
1008         config_window->SetSizer( config_sizer );
1009         sizer->Add( config_window, 1, wxEXPAND | wxALL, 5 );
1010         hidden_text = new wxStaticText( this, -1,
1011                         wxU( _( "Some options are available but hidden. " \
1012                                 "Check \"Advanced options\" to see them." ) ) );
1013         sizer->Add( hidden_text );
1014
1015         /* And at last put a useful help string if available */
1016         if( config_data->psz_help && *config_data->psz_help )
1017         {
1018             sizer->Add( new wxStaticLine( this, 0 ), 0,
1019                         wxEXPAND | wxLEFT | wxRIGHT, 2 );
1020             help = new wxStaticText( this, -1, wxU(_(config_data->psz_help)),
1021                                      wxDefaultPosition, wxDefaultSize,
1022                                      wxALIGN_LEFT,
1023                                      wxT("") );
1024             sizer->Add( help ,0 ,wxEXPAND | wxALL, 5 );
1025         }
1026
1027         if( config_data->i_type == TYPE_MODULE )
1028         {
1029             vlc_object_release( p_module );
1030         }
1031         else
1032         {
1033             vlc_list_release( p_list );
1034         }
1035     }
1036     sizer->Layout();
1037     SetSizer( sizer );
1038     Show();
1039 }
1040
1041 void PrefsPanel::ApplyChanges()
1042 {
1043     vlc_value_t val;
1044
1045     for( size_t i = 0; i < config_array.GetCount(); i++ )
1046     {
1047         ConfigControl *control = config_array.Item(i);
1048
1049         switch( control->GetType() )
1050         {
1051         case CONFIG_ITEM_STRING:
1052         case CONFIG_ITEM_FILE:
1053         case CONFIG_ITEM_DIRECTORY:
1054         case CONFIG_ITEM_MODULE:
1055         case CONFIG_ITEM_MODULE_CAT:
1056         case CONFIG_ITEM_MODULE_LIST:
1057         case CONFIG_ITEM_MODULE_LIST_CAT:
1058             config_PutPsz( p_intf, control->GetName().mb_str(),
1059                            control->GetPszValue().mb_str() );
1060             break;
1061         case CONFIG_ITEM_KEY:
1062             /* So you don't need to restart to have the changes take effect */
1063             val.i_int = control->GetIntValue();
1064             var_Set( p_intf->p_vlc, control->GetName().mb_str(), val );
1065         case CONFIG_ITEM_INTEGER:
1066         case CONFIG_ITEM_BOOL:
1067             config_PutInt( p_intf, control->GetName().mb_str(),
1068                            control->GetIntValue() );
1069             break;
1070         case CONFIG_ITEM_FLOAT:
1071             config_PutFloat( p_intf, control->GetName().mb_str(),
1072                              control->GetFloatValue() );
1073             break;
1074         }
1075     }
1076 }
1077
1078 void PrefsPanel::SwitchAdvanced( vlc_bool_t b_new_advanced )
1079 {
1080     bool hidden = false;
1081
1082     if( b_advanced == b_new_advanced )
1083     {
1084         goto hide;
1085     }
1086
1087     if( config_sizer && config_window )
1088     {
1089         b_advanced = b_new_advanced;
1090
1091         for( size_t i = 0; i < config_array.GetCount(); i++ )
1092         {
1093             ConfigControl *control = config_array.Item(i);
1094             if( control->IsAdvanced() )
1095             {
1096                 if( !b_advanced ) hidden = true;
1097                 control->Show( b_advanced );
1098                 config_sizer->Show( control, b_advanced );
1099             }
1100         }
1101
1102         config_sizer->Layout();
1103         config_window->FitInside();
1104         config_window->Refresh();
1105     }
1106 hide:
1107     if( hidden && hidden_text )
1108     {
1109         hidden_text->Show( true );
1110         config_sizer->Show( hidden_text, true );
1111     }
1112     else if ( hidden_text )
1113     {
1114         hidden_text->Show( false );
1115         config_sizer->Show( hidden_text, false );
1116     }
1117     return;
1118 }