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Revert "Qt4 preferences: fix a nice memory leak."
[vlc.git] / modules / gui / qt4 / components / complete_preferences.cpp
blob9702c6f93f0306edadccf038e7dc5401e78f7ee5
1 /*****************************************************************************
2 * preferences.cpp : "Normal preferences"
3 ****************************************************************************
4 * Copyright (C) 2006-2007 the VideoLAN team
5 * $Id$
6 *
7 * Authors: Clément Stenac <zorglub@videolan.org>
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 #ifdef HAVE_CONFIG_H
24 # include "config.h"
25 #endif
26
27 #include <QApplication>
28 #include <QLabel>
29 #include <QTreeWidget>
30 #include <QTreeWidgetItem>
31 #include <QVariant>
32 #include <QString>
33 #include <QFont>
34 #include <QGroupBox>
35 #include <QScrollArea>
36 #include <QVBoxLayout>
37 #include <QGridLayout>
38 #include <QHeaderView>
39
40 #include "components/complete_preferences.hpp"
41 #include "components/preferences_widgets.hpp"
42
43 #include <vlc_config_cat.h>
44 #include <vlc_intf_strings.h>
45 #include <vlc_modules.h>
46 #include <assert.h>
47
48 #define ITEM_HEIGHT 25
49
50 /*********************************************************************
51 * The Tree
52 *********************************************************************/
53 PrefsTree::PrefsTree( intf_thread_t *_p_intf, QWidget *_parent ) :
54 QTreeWidget( _parent ), p_intf( _p_intf )
55 {
56 /* General Qt options */
57 setAlternatingRowColors( true );
58 setHeaderHidden( true );
59
60 setIconSize( QSize( ITEM_HEIGHT,ITEM_HEIGHT ) );
61 setTextElideMode( Qt::ElideNone );
62
63 /* Nice icons */
64 #define BI( a,b) QIcon a##_icon = QIcon( b )
65 BI( audio, ":/prefsmenu/advanced/audio" );
66 BI( video, ":/prefsmenu/advanced/video" );
67 BI( input, ":/prefsmenu/advanced/codec" );
68 BI( sout, ":/prefsmenu/advanced/sout" );
69 BI( advanced, ":/prefsmenu/advanced/extended" );
70 BI( playlist, ":/prefsmenu/advanced/playlist" );
71 BI( interface, ":/prefsmenu/advanced/intf" );
72 #undef BI
73
74 /* Build the tree for the main module */
75 module_t *p_module = module_get_main();
76
77 /* Initialisation and get the confsize */
78 PrefsItemData *data = NULL;
79 PrefsItemData *data_sub = NULL;
80 QTreeWidgetItem *current_item = NULL;
81 unsigned confsize;
82 module_config_t *const p_config = module_config_get (p_module, &confsize);
83
84 /* Go through the list of conf */
85 for( size_t i = 0; i < confsize; i++ )
86 {
87 const char *psz_help;
88 QIcon icon;
89
90 /* Work on a new item */
91 module_config_t *p_item = p_config + i;
92
93 switch( p_item->i_type )
94 {
95 /* This is a category */
96 case CONFIG_CATEGORY:
97 if( p_item->value.i == -1 ) break;
98
99 /* PrefsItemData Init */
100 data = new PrefsItemData();
101 data->name = qtr( config_CategoryNameGet( p_item->value.i ) );
102 psz_help = config_CategoryHelpGet( p_item->value.i );
103 if( psz_help )
104 data->help = qtr( psz_help );
105 else
106 data->help.clear();
107 data->i_type = TYPE_CATEGORY;
108 data->i_object_id = p_item->value.i;
109
110 /* This is a category, put a nice icon */
111 switch( p_item->value.i )
112 {
113 #define CI(a,b) case a: icon = b##_icon;break
114 CI( CAT_AUDIO, audio );
115 CI( CAT_VIDEO, video );
116 CI( CAT_INPUT, input );
117 CI( CAT_SOUT, sout );
118 CI( CAT_ADVANCED, advanced );
119 CI( CAT_PLAYLIST, playlist );
120 CI( CAT_INTERFACE, interface );
121 }
122 #undef CI
123
124 /* Create a new QTreeItem to display it in the tree at top level */
125 current_item = new QTreeWidgetItem();
126 current_item->setText( 0, data->name );
127 current_item->setIcon( 0 , icon );
128 //current_item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
129 current_item->setData( 0, Qt::UserRole,
130 qVariantFromValue( data ) );
131 addTopLevelItem( current_item );
132 break;
133
134 /* This is a subcategory */
135 case CONFIG_SUBCATEGORY:
136 if( p_item->value.i == -1 ) break;
137
138 /* Special cases: move the main subcategories to the parent cat*/
139 if( data &&
140 ( p_item->value.i == SUBCAT_VIDEO_GENERAL ||
141 p_item->value.i == SUBCAT_ADVANCED_MISC ||
142 p_item->value.i == SUBCAT_INPUT_GENERAL ||
143 p_item->value.i == SUBCAT_INTERFACE_GENERAL ||
144 p_item->value.i == SUBCAT_SOUT_GENERAL||
145 p_item->value.i == SUBCAT_PLAYLIST_GENERAL||
146 p_item->value.i == SUBCAT_AUDIO_GENERAL ) )
147 {
148 /* Data still contains the correct thing */
149 data->i_type = TYPE_CATSUBCAT;
150 data->i_subcat_id = p_item->value.i;
151 data->name = qtr( config_CategoryNameGet( p_item->value.i ) );
152 psz_help = config_CategoryHelpGet( p_item->value.i );
153 if( psz_help )
154 data->help = qtr( psz_help );
155 else
156 data->help.clear();
157 current_item->setData( 0, Qt::UserRole,
158 QVariant::fromValue( data ) );
159 continue;
160 }
161
162 /* Normal Subcategories */
163
164 /* Process the Data */
165 data_sub = new PrefsItemData();
166 data_sub->name = qtr( config_CategoryNameGet( p_item->value.i) );
167 psz_help = config_CategoryHelpGet( p_item->value.i );
168 if( psz_help )
169 data_sub->help = qtr( psz_help );
170 else
171 data_sub->help.clear();
172 data_sub->i_type = TYPE_SUBCATEGORY;
173 data_sub->i_object_id = p_item->value.i;
174
175 /* Create a new TreeWidget */
176 QTreeWidgetItem *subcat_item = new QTreeWidgetItem();
177 subcat_item->setText( 0, data_sub->name );
178 subcat_item->setData( 0, Qt::UserRole,
179 qVariantFromValue( data_sub ) );
180 //subcat_item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
181
182 /* Add it to the parent */
183 assert( current_item );
184 current_item->addChild( subcat_item );
185 break;
186
187 /* Other items don't need yet a place on the tree */
188 }
189 }
190 module_config_free( p_config );
191 module_release( p_module );
192
193
194 module_t **p_list = module_list_get( NULL );
195 /* Build the tree of plugins */
196 for( size_t i = 0; (p_module = p_list[i]) != NULL; i++ )
197 {
198 // Main module excluded
199 if( module_is_main( p_module) ) continue;
200
201 unsigned confsize;
202 int i_subcategory = 0, i_category = 0;
203
204 bool b_options = false;
205 module_config_t *const p_config = module_config_get (p_module, &confsize);
206
207 /* Loop through the configurations items */
208 for (size_t i = 0; i < confsize; i++)
209 {
210 const module_config_t *p_item = p_config + i;
211
212 if( p_item->i_type == CONFIG_CATEGORY )
213 i_category = p_item->value.i;
214 else if( p_item->i_type == CONFIG_SUBCATEGORY )
215 i_subcategory = p_item->value.i;
216
217 if( p_item->i_type & CONFIG_ITEM )
218 b_options = true;
219
220 if( b_options && i_category && i_subcategory )
221 break;
222 }
223 module_config_free (p_config);
224
225 /* Dummy item, please proceed */
226 if( !b_options || i_category == 0 || i_subcategory == 0 ) continue;
227
228
229 // Locate the category item;
230 QTreeWidgetItem *subcat_item = NULL;
231 bool b_found = false;
232
233 for( int i_cat_index = 0 ; i_cat_index < topLevelItemCount();
234 i_cat_index++ )
235 {
236 /* Get the treeWidgetItem that correspond to the category */
237 QTreeWidgetItem *cat_item = topLevelItem( i_cat_index );
238 PrefsItemData *data = cat_item->data( 0, Qt::UserRole ).
239 value<PrefsItemData *>();
240
241 /* If we match the good category */
242 if( data->i_object_id == i_category )
243 {
244 for( int i_sc_index = 0; i_sc_index < cat_item->childCount();
245 i_sc_index++ )
246 {
247 subcat_item = cat_item->child( i_sc_index );
248 PrefsItemData *sc_data = subcat_item->data(0, Qt::UserRole).
249 value<PrefsItemData *>();
250 if( sc_data && sc_data->i_object_id == i_subcategory )
251 {
252 b_found = true;
253 break;
254 }
255 }
256 if( !b_found )
257 {
258 subcat_item = cat_item;
259 b_found = true;
260 }
261 break;
262 }
263 }
264 if( !b_found ) continue;
265
266 PrefsItemData *module_data = new PrefsItemData();
267 module_data->i_type = TYPE_MODULE;
268 module_data->psz_name = strdup( module_get_object( p_module ) );
269 module_data->help.clear();
270 QTreeWidgetItem *module_item = new QTreeWidgetItem();
271 module_item->setText( 0, qtr( module_get_name( p_module, false ) ) );
272 module_item->setData( 0, Qt::UserRole,
273 QVariant::fromValue( module_data) );
274 //module_item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
275 subcat_item->addChild( module_item );
276 }
277
278 /* We got everything, just sort a bit */
279 sortItems( 0, Qt::AscendingOrder );
280
281 module_list_free( p_list );
282 resizeColumnToContents( 0 );
283 }
284
285 PrefsTree::~PrefsTree() {}
286
287 void PrefsTree::applyAll()
288 {
289 doAll( false );
290 }
291
292 void PrefsTree::cleanAll()
293 {
294 doAll( true );
295 }
296
297 void PrefsTree::doAll( bool doclean )
298 {
299 for( int i_cat_index = 0 ; i_cat_index < topLevelItemCount();
300 i_cat_index++ )
301 {
302 QTreeWidgetItem *cat_item = topLevelItem( i_cat_index );
303 for( int i_sc_index = 0; i_sc_index < cat_item->childCount();
304 i_sc_index++ )
305 {
306 QTreeWidgetItem *sc_item = cat_item->child( i_sc_index );
307 for( int i_module = 0 ; i_module < sc_item->childCount();
308 i_module++ )
309 {
310 PrefsItemData *data = sc_item->child( i_module )->
311 data( 0, Qt::UserRole).value<PrefsItemData *>();
312 if( data->panel && doclean )
313 {
314 delete data->panel;
315 data->panel = NULL;
316 }
317 else if( data->panel )
318 data->panel->apply();
319 }
320 PrefsItemData *data = sc_item->data( 0, Qt::UserRole).
321 value<PrefsItemData *>();
322 if( data->panel && doclean )
323 {
324 delete data->panel;
325 data->panel = NULL;
326 }
327 else if( data->panel )
328 data->panel->apply();
329 }
330 PrefsItemData *data = cat_item->data( 0, Qt::UserRole).
331 value<PrefsItemData *>();
332 if( data->panel && doclean )
333 {
334 delete data->panel;
335 data->panel = NULL;
336 }
337 else if( data->panel )
338 data->panel->apply();
339 }
340 }
341
342 /*********************************************************************
343 * The Panel
344 *********************************************************************/
345 AdvPrefsPanel::AdvPrefsPanel( QWidget *_parent ) : QWidget( _parent )
346 {}
347
348 AdvPrefsPanel::AdvPrefsPanel( intf_thread_t *_p_intf, QWidget *_parent,
349 PrefsItemData * data ) :
350 QWidget( _parent ), p_intf( _p_intf )
351 {
352 /* Find our module */
353 module_t *p_module = NULL;
354 if( data->i_type == TYPE_CATEGORY )
355 return;
356 else if( data->i_type == TYPE_MODULE )
357 p_module = module_find( data->psz_name );
358 else
359 {
360 p_module = module_get_main();
361 assert( p_module );
362 }
363
364 unsigned confsize;
365 module_config_t *const p_config = module_config_get (p_module, &confsize),
366 *p_item = p_config,
367 *p_end = p_config + confsize;
368
369 if( data->i_type == TYPE_SUBCATEGORY || data->i_type == TYPE_CATSUBCAT )
370 {
371 while (p_item < p_end)
372 {
373 if( p_item->i_type == CONFIG_SUBCATEGORY &&
374 ( ( data->i_type == TYPE_SUBCATEGORY &&
375 p_item->value.i == data->i_object_id ) ||
376 ( data->i_type == TYPE_CATSUBCAT &&
377 p_item->value.i == data->i_subcat_id ) ) )
378 break;
379 p_item++;
380 }
381 }
382
383 /* Widgets now */
384 global_layout = new QVBoxLayout();
385 global_layout->setMargin( 2 );
386 QString head;
387 QString help;
388
389 help = QString( data->help );
390
391 if( data->i_type == TYPE_SUBCATEGORY || data->i_type == TYPE_CATSUBCAT )
392 {
393 head = QString( data->name );
394 p_item++; // Why that ?
395 }
396 else
397 {
398 const char *psz_help = module_get_help (p_module);
399 head = QString( qtr( module_GetLongName( p_module ) ) );
400 if( psz_help )
401 {
402 help.append( "\n" );
403 help.append( qtr( psz_help ) );
404 }
405 }
406
407 QLabel *titleLabel = new QLabel( head );
408 QFont titleFont = QApplication::font();
409 titleFont.setPointSize( titleFont.pointSize() + 6 );
410 titleLabel->setFont( titleFont );
411
412 // Title <hr>
413 QFrame *title_line = new QFrame;
414 title_line->setFrameShape(QFrame::HLine);
415 title_line->setFrameShadow(QFrame::Sunken);
416
417 QLabel *helpLabel = new QLabel( help, this );
418 helpLabel->setWordWrap( true );
419
420 global_layout->addWidget( titleLabel );
421 global_layout->addWidget( title_line );
422 global_layout->addWidget( helpLabel );
423
424 QGroupBox *box = NULL;
425 QGridLayout *boxlayout = NULL;
426
427 QScrollArea *scroller= new QScrollArea;
428 scroller->setFrameStyle( QFrame::NoFrame );
429 QWidget *scrolled_area = new QWidget;
430
431 QGridLayout *layout = new QGridLayout();
432 int i_line = 0, i_boxline = 0;
433 bool has_hotkey = false;
434
435 if( p_item ) do
436 {
437 if( ( ( data->i_type == TYPE_SUBCATEGORY &&
438 p_item->value.i != data->i_object_id ) ||
439 ( data->i_type == TYPE_CATSUBCAT &&
440 p_item->value.i != data->i_subcat_id ) ) &&
441 ( p_item->i_type == CONFIG_CATEGORY ||
442 p_item->i_type == CONFIG_SUBCATEGORY ) )
443 break;
444 if( p_item->b_internal ) continue;
445
446 if( p_item->i_type == CONFIG_SECTION )
447 {
448 if( box )
449 {
450 box->setLayout( boxlayout );
451 box->show();
452 layout->addWidget( box, i_line, 0, 1, -1 );
453 i_line++;
454 }
455 box = new QGroupBox( qtr( p_item->psz_text ), this );
456 box->hide();
457 boxlayout = new QGridLayout();
458 }
459 /* Only one hotkey control */
460 if( (p_item->i_type & CONFIG_ITEM) == CONFIG_ITEM_KEY )
461 {
462 if( has_hotkey )
463 continue;
464 has_hotkey = true;
465 }
466
467 ConfigControl *control;
468 if( ! box )
469 control = ConfigControl::createControl( VLC_OBJECT( p_intf ),
470 p_item, this, layout, i_line );
471 else
472 control = ConfigControl::createControl( VLC_OBJECT( p_intf ),
473 p_item, this, boxlayout, i_boxline );
474 if( !control )
475 continue;
476
477 if( box ) i_boxline++;
478 else i_line++;
479 controls.append( control );
480 }
481 while( !( ( data->i_type == TYPE_SUBCATEGORY ||
482 data->i_type == TYPE_CATSUBCAT ) &&
483 ( p_item->i_type == CONFIG_CATEGORY ||
484 p_item->i_type == CONFIG_SUBCATEGORY ) )
485 && ( ++p_item < p_end ) );
486
487 if( box )
488 {
489 box->setLayout( boxlayout );
490 box->show();
491 layout->addWidget( box, i_line, 0, 1, -1 );
492 }
493
494 module_release (p_module);
495
496 scrolled_area->setSizePolicy( QSizePolicy::Preferred,QSizePolicy::Fixed );
497 scrolled_area->setLayout( layout );
498 scroller->setWidget( scrolled_area );
499 scroller->setWidgetResizable( true );
500 global_layout->addWidget( scroller );
501 setLayout( global_layout );
502 }
503
504 void AdvPrefsPanel::apply()
505 {
506 QList<ConfigControl *>::Iterator i;
507 for( i = controls.begin() ; i != controls.end() ; i++ )
508 {
509 ConfigControl *c = qobject_cast<ConfigControl *>(*i);
510 c->doApply( p_intf );
511 }
512 }
513
514 void AdvPrefsPanel::clean()
515 {}
516
517 AdvPrefsPanel::~AdvPrefsPanel()
518 {
519 qDeleteAll( controls ); controls.clear();
520 }
521
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