/*****************************************************************************
* complete_preferences.cpp : "Normal preferences"
****************************************************************************
* Copyright (C) 2006-2011 the VideoLAN team
*
* Authors: Clément Stenac <zorglub@videolan.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <QApplication>
#include <QLabel>
#include <QTreeWidget>
#include <QString>
#include <QFont>
#include <QGroupBox>
#include <QScrollArea>
#include <QVBoxLayout>
#include <QGridLayout>
#include "dialogs/preferences/complete_preferences.hpp"
#include "dialogs/preferences/preferences_widgets.hpp"
#include <vlc_modules.h>
#include <cassert>
#define ITEM_HEIGHT 25
/*********************************************************************
* The Tree
*********************************************************************/
PrefsTree::PrefsTree( qt_intf_t *_p_intf, QWidget *_parent,
module_t **p_list, size_t count ) :
QTreeWidget( _parent ), p_intf( _p_intf )
{
b_show_only_loaded = false;
/* General Qt options */
setAlternatingRowColors( true );
setHeaderHidden( true );
setIconSize( QSize( ITEM_HEIGHT, ITEM_HEIGHT ) );
setTextElideMode( Qt::ElideNone );
setUniformRowHeights( true );
connect( this, &PrefsTree::itemExpanded, this, &PrefsTree::resizeColumns );
main_module = module_get_main();
assert( main_module );
enum vlc_config_cat cat = CAT_UNKNOWN;
enum vlc_config_subcat subcat = SUBCAT_UNKNOWN;
QTreeWidgetItem *cat_item = nullptr;
/* Create base cat/subcat tree from core config set */
unsigned confsize;
module_t *p_module = main_module;
module_config_t *const p_config = module_config_get (p_module, &confsize);
for( size_t i = 0; i < confsize; i++ )
{
module_config_t *p_item = p_config + i;
if( p_item->i_type != CONFIG_SUBCATEGORY )
continue;
subcat = (enum vlc_config_subcat) p_item->value.i;
cat = vlc_config_cat_FromSubcat(subcat);
if( cat == CAT_UNKNOWN || cat == CAT_HIDDEN )
continue;
/* Create parent cat node? */
if( findCatItem(cat) == nullptr )
cat_item = createCatNode( cat );
// Create subcat node
// Note that this is done conditionally, primarily because we must take
// no action here for 'general' subcats (which are merged into the
// parent category node), but also just out of caution should a mistake
// result in more than one instance of a subcat to be present within the
// core option set.
if( findSubcatItem( subcat ) == nullptr )
createSubcatNode( cat_item, subcat );
}
module_config_free( p_config );
/* Add nodes for plugins */
/* A plugin gets one node for its entire set, located based on the first used subcat */
for( size_t i = 0; i < count; i++ )
{
p_module = p_list[i];
/* Main module is already covered above */
if( module_is_main( p_module) )
continue;
unsigned confsize;
module_config_t *const p_config = module_config_get (p_module, &confsize);
/* Get the first (used) subcat */
cat = CAT_UNKNOWN;
subcat = SUBCAT_UNKNOWN;
bool has_options = false;
for (size_t i = 0; i < confsize; i++)
{
const module_config_t *p_item = p_config + i;
if( p_item->i_type == CONFIG_SUBCATEGORY )
{
subcat = (enum vlc_config_subcat) p_item->value.i;
cat = vlc_config_cat_FromSubcat( subcat );
continue;
}
if( CONFIG_ITEM(p_item->i_type) )
{
has_options = true;
/* If cat lookup worked, we can stop now, else keep looking */
if( cat != CAT_UNKNOWN )
break;
}
}
module_config_free (p_config);
/* No options, or definitely no place to place it in the tree - ignore */
if( !has_options || cat == CAT_UNKNOWN || cat == CAT_HIDDEN )
continue;
/* Locate the category item */
/* If not found (very unlikely), we will create it */
cat_item = findCatItem( cat );
if ( !cat_item )
cat_item = createCatNode( cat );
/* Locate the subcategory item */
/* If not found (was not used in the core option set - quite possible), we will create it */
QTreeWidgetItem *subcat_item = findSubcatItem( subcat );
if( !subcat_item )
subcat_item = createSubcatNode( cat_item, subcat );
createPluginNode( subcat_item, p_module );
}
// We got everything, just sort a bit.
// We allow the subcat and plugin nodes to be alphabetical, but we force
// the top-level cat nodes into a preferred order.
sortItems( 0, Qt::AscendingOrder );
unsigned index = 0;
for (unsigned i = 0; i < vlc_config_cat_Count(); i++)
{
const config_category_t *cat = vlc_config_cat_GetAt(i);
cat_item = findCatItem(cat->id);
if ( cat_item == NULL )
continue;
unsigned cur_index = (unsigned)indexOfTopLevelItem( cat_item );
if (cur_index != index)
{
insertTopLevelItem( index, takeTopLevelItem( cur_index ) );
expandItem( cat_item );
}
++index;
}
resizeColumnToContents( 0 );
}
QTreeWidgetItem *PrefsTree::createCatNode( enum vlc_config_cat cat )
{
enum vlc_config_subcat general_subcat = vlc_config_cat_GetGeneralSubcat( cat );
assert(general_subcat != SUBCAT_UNKNOWN && general_subcat != SUBCAT_HIDDEN);
PrefsTreeItem *item = new PrefsTreeItem( PrefsTreeItem::CATEGORY_NODE );
item->cat_id = cat;
item->subcat_id = general_subcat;
item->p_module = this->main_module;
item->name = qfu( vlc_config_subcat_GetName( general_subcat ) );
item->help = qfu( vlc_config_subcat_GetHelp( general_subcat ) );
QIcon icon;
switch( cat )
{
#define CI(a,b) case a: icon = QIcon( b );break
CI( CAT_AUDIO, ":/prefsmenu/advprefs_audio.svg" );
CI( CAT_VIDEO, ":/prefsmenu/advprefs_video.svg" );
CI( CAT_INPUT, ":/prefsmenu/advprefs_codec.svg" );
CI( CAT_SOUT, ":/prefsmenu/advprefs_sout.svg" );
CI( CAT_ADVANCED, ":/prefsmenu/advprefs_extended.svg" );
CI( CAT_PLAYLIST, ":/prefsmenu/advprefs_playlist.svg" );
CI( CAT_INTERFACE, ":/prefsmenu/advprefs_intf.svg" );
#undef CI
default: break;
}
item->setText( 0, qfu( vlc_config_cat_GetName( cat ) ) );
item->setIcon( 0, icon );
//current_item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
this->catMap[cat] = item;
this->subcatMap[general_subcat] = item;
addTopLevelItem( item );
expandItem( item );
return item;
}
QTreeWidgetItem *PrefsTree::createSubcatNode( QTreeWidgetItem * cat, enum vlc_config_subcat subcat )
{
assert( cat );
PrefsTreeItem *item = new PrefsTreeItem( PrefsTreeItem::SUBCATEGORY_NODE );
item->cat_id = CAT_UNKNOWN;
item->subcat_id = subcat;
item->p_module = this->main_module;
item->name = qfu( vlc_config_subcat_GetName( subcat ) );
item->help = qfu( vlc_config_subcat_GetHelp( subcat ) );
item->setText( 0, item->name );
//item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
this->subcatMap[subcat] = item;
cat->addChild( item );
return item;
}
void PrefsTree::createPluginNode( QTreeWidgetItem * parent, module_t *mod )
{
assert( parent );
PrefsTreeItem *item = new PrefsTreeItem( PrefsTreeItem::PLUGIN_NODE );
item->cat_id = CAT_UNKNOWN;
item->subcat_id = SUBCAT_UNKNOWN;
item->p_module = mod;
item->module_name = strdup( module_get_object( mod ) );
item->name = qfut( module_get_name( mod, false ) );
const char *help = module_get_help( mod );
if( help )
item->help = qfut( help );
const char *help_html = module_get_help_html( mod );
if( help_html )
item->help_html = qfut( help_html );
item->setText( 0, item->name );
//item->setSizeHint( 0, QSize( -1, ITEM_HEIGHT ) );
parent->addChild( item );
}
QTreeWidgetItem *PrefsTree::findCatItem( enum vlc_config_cat cat )
{
auto it = this->catMap.find(cat);
if (it == std::end(this->catMap))
return NULL;
return it->second;
}
QTreeWidgetItem *PrefsTree::findSubcatItem( enum vlc_config_subcat subcat )
{
auto it = this->subcatMap.find(subcat);
if (it == std::end(this->subcatMap))
return NULL;
return it->second;
}
void PrefsTree::applyAll()
{
for( int i_cat_index = 0 ; i_cat_index < topLevelItemCount();
i_cat_index++ )
{
PrefsTreeItem *cat_item = topLevelItem( i_cat_index );
for( int i_sc_index = 0; i_sc_index < cat_item->childCount();
i_sc_index++ )
{
PrefsTreeItem *subcat_item = cat_item->child( i_sc_index );
for( int i_module = 0 ; i_module < subcat_item->childCount();
i_module++ )
{
PrefsTreeItem *mod_item = subcat_item->child( i_module );
if( mod_item->panel )
mod_item->panel->apply();
}
if( subcat_item->panel )
subcat_item->panel->apply();
}
if( cat_item->panel )
cat_item->panel->apply();
}
}
/* apply filter on tree item and recursively on its sub items
* returns whether the item was filtered */
bool PrefsTree::filterItems( PrefsTreeItem *item, const QString &text,
Qt::CaseSensitivity cs )
{
bool sub_filtered = true;
for( int i = 0; i < item->childCount(); i++ )
{
PrefsTreeItem *sub_item = item->child( i );
if ( !filterItems( sub_item, text, cs ) )
{
/* not all the sub items were filtered */
sub_filtered = false;
}
}
bool filtered = sub_filtered && !item->contains( text, cs );
if ( b_show_only_loaded && sub_filtered && !item->module_is_loaded )
filtered = true;
item->setHidden( filtered );
return filtered;
}
void PrefsTree::unfilterItems( PrefsTreeItem *item )
{
item->setHidden( false );
for( int i = 0; i < item->childCount(); i++ )
unfilterItems( item->child( i ) );
}
static void populateLoadedSet( QSet<QString> *loaded, vlc_object_t *p_node )
{
Q_ASSERT( loaded );
char *name = vlc_object_get_name( p_node );
if ( !EMPTY_STR( name ) ) loaded->insert( QString( name ) );
free( name );
size_t count = 0, size;
vlc_object_t **tab = NULL;
do
{
delete[] tab;
size = count;
tab = new vlc_object_t *[size];
count = vlc_list_children(p_node, tab, size);
}
while (size < count);
for (size_t i = 0; i < count ; i++)
{
populateLoadedSet( loaded, tab[i] );
vlc_object_release(tab[i]);
}
delete[] tab;
}
/* Updates the plugin node 'loaded' status to reflect currently
* running modules */
void PrefsTree::updateLoadedStatus( PrefsTreeItem *item = NULL,
QSet<QString> *loaded = NULL )
{
bool b_release = false;
if( loaded == NULL )
{
vlc_object_t *p_root = VLC_OBJECT( vlc_object_instance(p_intf) );
loaded = new QSet<QString>();
populateLoadedSet( loaded, p_root );
b_release = true;
}
if ( item == NULL )
{
for( int i = 0 ; i < topLevelItemCount(); i++ )
updateLoadedStatus( topLevelItem( i ), loaded );
}
else
{
if( item->node_type == PrefsTreeItem::PLUGIN_NODE )
item->module_is_loaded = loaded->contains( QString( item->module_name ) );
for( int i = 0; i < item->childCount(); i++ )
updateLoadedStatus( item->child( i ), loaded );
}
if ( b_release )
delete loaded;
}
/* apply filter on tree */
void PrefsTree::filter( const QString &text )
{
bool clear_filter = text.isEmpty() && ! b_show_only_loaded;
updateLoadedStatus();
for( int i = 0 ; i < topLevelItemCount(); i++ )
{
PrefsTreeItem *cat_item = topLevelItem( i );
if ( clear_filter )
unfilterItems( cat_item );
else
filterItems( cat_item, text, Qt::CaseInsensitive );
}
}
void PrefsTree::setLoadedOnly( bool b_only )
{
b_show_only_loaded = b_only;
filter( "" );
}
void PrefsTree::resizeColumns()
{
resizeColumnToContents( 0 );
}
PrefsTreeItem::PrefsTreeItem( PrefsTreeItemType ty ) : QTreeWidgetItem(ty)
{
node_type = ty;
panel = nullptr;
cat_id = CAT_UNKNOWN;
subcat_id = SUBCAT_UNKNOWN;
p_module = nullptr;
module_name = nullptr;
module_is_loaded = false;
}
/* go over the config items and search text in psz_text
* also search the node name and head */
bool PrefsTreeItem::contains( const QString &text, Qt::CaseSensitivity cs )
{
bool is_core = this->node_type != PrefsTreeItem::PLUGIN_NODE;
enum vlc_config_subcat id = this->subcat_id;
module_t *p_module = this->p_module;
/* check the node itself (its name/longname/helptext) */
QString head;
if( !is_core )
head = QString( qfut( module_GetLongName( p_module ) ) );
if ( name.contains( text, cs )
|| (!is_core && head.contains( text, cs ))
|| (!help_html.isEmpty() ? help_html.contains( text, cs ) : help.contains( text, cs ))
)
{
return true;
}
/* check options belonging to this core subcat or plugin */
unsigned confsize;
module_config_t *const p_config = module_config_get (p_module, &confsize),
*p_item = p_config,
*p_end = p_config + confsize;
if( !p_config )
return false;
bool ret = false;
if( is_core )
{
/* find start of relevant option block */
while ( p_item < p_end )
{
if( p_item->i_type == CONFIG_SUBCATEGORY &&
p_item->value.i == id
)
break;
p_item++;
}
if( ++p_item >= p_end )
{
ret = false;
goto end;
}
}
do
{
if ( p_item->i_type == CONFIG_SUBCATEGORY )
{
/* for core, if we hit a subcat, stop */
if ( is_core )
break;
/* a plugin's options are grouped under one node; we can/should
ignore all other subcat entries. */
continue;
}
/* cat-hint items are not relevant, they are an alternate set of headings for help output */
if( p_item->i_type == CONFIG_HINT_CATEGORY ) continue;
if ( p_item->psz_text && qfut( p_item->psz_text ).contains( text, cs ) )
{
ret = true;
goto end;
}
}
while ( ++p_item < p_end );
end:
module_config_free( p_config );
return ret;
}
/*********************************************************************
* The Panel
*********************************************************************/
AdvPrefsPanel::AdvPrefsPanel( qt_intf_t *_p_intf, QWidget *_parent,
PrefsTreeItem * node ) :
QWidget( _parent ), p_intf( _p_intf )
{
module_t *p_module = node->p_module;
unsigned confsize;
p_config = module_config_get( p_module, &confsize );
module_config_t *p_item = p_config,
*p_end = p_config + confsize;
QString heading;
if( node->node_type != PrefsTreeItem::PLUGIN_NODE )
{
heading = QString( node->name );
/* Skip to the relevant part of the core config */
while (p_item < p_end)
{
if( p_item->i_type == CONFIG_SUBCATEGORY &&
p_item->value.i == node->subcat_id )
break;
p_item++;
}
p_item++; // Skip past the subcat entry itself
}
else
{
heading = QString( qfut( module_GetLongName( p_module ) ) );
}
/* Widgets now */
global_layout = new QVBoxLayout();
global_layout->setContentsMargins(2, 2, 2, 2);
QLabel *titleLabel = new QLabel( heading );
QFont titleFont = QApplication::font();
titleFont.setPointSize( titleFont.pointSize() + 6 );
titleLabel->setFont( titleFont );
// Title <hr>
QFrame *title_line = new QFrame;
title_line->setFrameShape(QFrame::HLine);
title_line->setFrameShadow(QFrame::Sunken);
QLabel *helpLabel = new QLabel( this );
helpLabel->setWordWrap( true );
if( node->help_html.isEmpty() )
{
helpLabel->setText( node->help );
helpLabel->setTextFormat( Qt::PlainText );
}
else
{
helpLabel->setText( node->help_html );
helpLabel->setTextFormat( Qt::RichText );
helpLabel->setOpenExternalLinks( true );
}
global_layout->addWidget( titleLabel );
global_layout->addWidget( title_line );
global_layout->addWidget( helpLabel );
QGroupBox *box = NULL;
QGridLayout *boxlayout = NULL;
QScrollArea *scroller= new QScrollArea;
scroller->setFrameStyle( QFrame::NoFrame );
QWidget *scrolled_area = new QWidget;
QGridLayout *layout = new QGridLayout();
int i_line = 0, i_boxline = 0;
bool has_hotkey = false;
if( p_item ) for ( ; p_item < p_end; ++p_item)
{
if( p_item->i_type == CONFIG_SUBCATEGORY )
{
if( node->node_type == PrefsTreeItem::PLUGIN_NODE )
continue;
else
break;
}
if( p_item->i_type == CONFIG_SECTION )
{
if( box && i_boxline > 0 )
{
box->setLayout( boxlayout );
box->show();
layout->addWidget( box, i_line, 0, 1, -1 );
i_line++;
}
i_boxline = 0;
box = new QGroupBox( qfut( p_item->psz_text ), this );
box->hide();
boxlayout = new QGridLayout();
}
/* Only one hotkey control */
if( p_item->i_type == CONFIG_ITEM_KEY )
{
if( has_hotkey )
continue;
has_hotkey = true;
}
ConfigControl *control;
if( ! box )
control = ConfigControl::createControl( p_item, this,
layout, i_line );
else
control = ConfigControl::createControl( p_item, this,
boxlayout, i_boxline );
if( !control )
continue;
if( box ) i_boxline++;
else i_line++;
controls.append( control );
}
if( box && i_boxline > 0 )
{
box->setLayout( boxlayout );
box->show();
layout->addWidget( box, i_line, 0, 1, -1 );
}
scrolled_area->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Fixed );
scrolled_area->setLayout( layout );
scroller->setWidget( scrolled_area );
scroller->setWidgetResizable( true );
global_layout->addWidget( scroller );
setLayout( global_layout );
}
void AdvPrefsPanel::apply()
{
foreach ( ConfigControl *cfg, controls )
cfg->doApply();
}
void AdvPrefsPanel::clean()
{}
AdvPrefsPanel::~AdvPrefsPanel()
{
qDeleteAll( controls );
controls.clear();
module_config_free( p_config );
}
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