standardpanel.cpp
资源名称:vlc-1.0.5.zip [点击查看]
上传用户:kjfoods
上传日期:2020-07-06
资源大小:29949k
文件大小:12k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * standardpanel.cpp : The "standard" playlist panel : just a treeview
- ****************************************************************************
- * Copyright (C) 2000-2005 the VideoLAN team
- * $Id: ca421c61e252d3c35340a1936c814095c341685c $
- *
- * 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 "qt4.hpp"
- #include "dialogs_provider.hpp"
- #include "components/playlist/playlist_model.hpp"
- #include "components/playlist/panels.hpp"
- #include "util/customwidgets.hpp"
- #include <vlc_intf_strings.h>
- #include <QPushButton>
- #include <QHBoxLayout>
- #include <QVBoxLayout>
- #include <QHeaderView>
- #include <QKeyEvent>
- #include <QModelIndexList>
- #include <QLabel>
- #include <QSpacerItem>
- #include <QMenu>
- #include <QSignalMapper>
- #include <assert.h>
- #include "sorting.h"
- StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
- intf_thread_t *_p_intf,
- playlist_t *p_playlist,
- playlist_item_t *p_root ):
- PLPanel( _parent, _p_intf )
- {
- model = new PLModel( p_playlist, p_intf, p_root, -1, this );
- QVBoxLayout *layout = new QVBoxLayout();
- layout->setSpacing( 0 ); layout->setMargin( 0 );
- /* Create and configure the QTreeView */
- view = new QVLCTreeView;
- view->setModel( model );
- view->setIconSize( QSize( 20, 20 ) );
- view->setAlternatingRowColors( true );
- view->setAnimated( true );
- view->setSelectionBehavior( QAbstractItemView::SelectRows );
- view->setSelectionMode( QAbstractItemView::ExtendedSelection );
- view->setDragEnabled( true );
- view->setAcceptDrops( true );
- view->setDropIndicatorShown( true );
- view->header()->setSortIndicator( -1 , Qt::AscendingOrder );
- view->setSortingEnabled( true );
- getSettings()->beginGroup("Playlist");
- if( getSettings()->contains( "headerState" ) )
- {
- view->header()->restoreState(
- getSettings()->value( "headerState" ).toByteArray() );
- }
- else
- {
- /* Configure the size of the header */
- view->header()->resizeSection( 0, 200 );
- view->header()->resizeSection( 1, 80 );
- }
- view->header()->setSortIndicatorShown( true );
- view->header()->setClickable( true );
- view->header()->setContextMenuPolicy( Qt::CustomContextMenu );
- getSettings()->endGroup();
- /* Connections for the TreeView */
- CONNECT( view, activated( const QModelIndex& ) ,
- model,activateItem( const QModelIndex& ) );
- CONNECT( view, rightClicked( QModelIndex , QPoint ),
- this, doPopup( QModelIndex, QPoint ) );
- CONNECT( view->header(), customContextMenuRequested( const QPoint & ),
- this, popupSelectColumn( QPoint ) );
- CONNECT( model, currentChanged( const QModelIndex& ),
- this, handleExpansion( const QModelIndex& ) );
- CONNECT( model, columnsChanged( int ),
- this, checkSortingIndicator( int ) );
- currentRootId = -1;
- CONNECT( parent, rootChanged( int ), this, setCurrentRootId( int ) );
- /* Buttons configuration */
- QHBoxLayout *buttons = new QHBoxLayout;
- /* Add item to the playlist button */
- addButton = new QPushButton;
- addButton->setIcon( QIcon( ":/playlist_add" ) );
- addButton->setMaximumWidth( 30 );
- BUTTONACT( addButton, popupAdd() );
- buttons->addWidget( addButton );
- /* Random 2-state button */
- randomButton = new QPushButton( this );
- randomButton->setIcon( QIcon( ":/shuffle_on" ));
- randomButton->setToolTip( qtr( I_PL_RANDOM ));
- randomButton->setCheckable( true );
- randomButton->setChecked( model->hasRandom() );
- BUTTONACT( randomButton, toggleRandom() );
- buttons->addWidget( randomButton );
- /* Repeat 3-state button */
- repeatButton = new QPushButton( this );
- repeatButton->setToolTip( qtr( "Click to toggle between loop one, loop all" ) );
- repeatButton->setCheckable( true );
- if( model->hasRepeat() )
- {
- repeatButton->setIcon( QIcon( ":/repeat_one" ) );
- repeatButton->setChecked( true );
- }
- else if( model->hasLoop() )
- {
- repeatButton->setIcon( QIcon( ":/repeat_all" ) );
- repeatButton->setChecked( true );
- }
- else
- {
- repeatButton->setIcon( QIcon( ":/repeat_one" ) );
- repeatButton->setChecked( false );
- }
- BUTTONACT( repeatButton, toggleRepeat() );
- buttons->addWidget( repeatButton );
- /* Goto */
- gotoPlayingButton = new QPushButton;
- BUTTON_SET_ACT_I( gotoPlayingButton, "", jump_to,
- qtr( "Show the current item" ), gotoPlayingItem() );
- buttons->addWidget( gotoPlayingButton );
- /* A Spacer and the search possibilities */
- QSpacerItem *spacer = new QSpacerItem( 10, 20 );
- buttons->addItem( spacer );
- QLabel *filter = new QLabel( qtr(I_PL_SEARCH) + " " );
- buttons->addWidget( filter );
- SearchLineEdit *search = new SearchLineEdit( this );
- buttons->addWidget( search );
- filter->setBuddy( search );
- CONNECT( search, textChanged( const QString& ), this, search( const QString& ) );
- /* Finish the layout */
- layout->addWidget( view );
- layout->addLayout( buttons );
- // layout->addWidget( bar );
- setLayout( layout );
- }
- /* Function to toggle between the Repeat states */
- void StandardPLPanel::toggleRepeat()
- {
- if( model->hasRepeat() )
- {
- model->setRepeat( false ); model->setLoop( true );
- repeatButton->setIcon( QIcon( ":/repeat_all" ) );
- repeatButton->setChecked( true );
- }
- else if( model->hasLoop() )
- {
- model->setRepeat( false ) ; model->setLoop( false );
- repeatButton->setChecked( false );
- repeatButton->setIcon( QIcon( ":/repeat_one" ) );
- }
- else
- {
- model->setRepeat( true ); model->setLoop( false );
- repeatButton->setChecked( true );
- repeatButton->setIcon( QIcon( ":/repeat_one" ) );
- }
- }
- /* Function to toggle between the Random states */
- void StandardPLPanel::toggleRandom()
- {
- bool prev = model->hasRandom();
- model->setRandom( !prev );
- }
- void StandardPLPanel::gotoPlayingItem()
- {
- view->scrollTo( view->currentIndex() );
- }
- void StandardPLPanel::handleExpansion( const QModelIndex& index )
- {
- view->scrollTo( index, QAbstractItemView::EnsureVisible );
- }
- void StandardPLPanel::setCurrentRootId( int _new )
- {
- currentRootId = _new;
- if( currentRootId == THEPL->p_local_category->i_id ||
- currentRootId == THEPL->p_local_onelevel->i_id )
- {
- addButton->setEnabled( true );
- addButton->setToolTip( qtr(I_PL_ADDPL) );
- }
- else if( ( THEPL->p_ml_category &&
- currentRootId == THEPL->p_ml_category->i_id ) ||
- ( THEPL->p_ml_onelevel &&
- currentRootId == THEPL->p_ml_onelevel->i_id ) )
- {
- addButton->setEnabled( true );
- addButton->setToolTip( qtr(I_PL_ADDML) );
- }
- else
- addButton->setEnabled( false );
- }
- /* PopupAdd Menu for the Add Menu */
- void StandardPLPanel::popupAdd()
- {
- QMenu popup;
- if( currentRootId == THEPL->p_local_category->i_id ||
- currentRootId == THEPL->p_local_onelevel->i_id )
- {
- popup.addAction( qtr(I_PL_ADDF), THEDP, SLOT( simplePLAppendDialog()) );
- popup.addAction( qtr(I_PL_ADDDIR), THEDP, SLOT( PLAppendDir()) );
- popup.addAction( qtr(I_OP_ADVOP), THEDP, SLOT( PLAppendDialog()) );
- }
- else if( ( THEPL->p_ml_category &&
- currentRootId == THEPL->p_ml_category->i_id ) ||
- ( THEPL->p_ml_onelevel &&
- currentRootId == THEPL->p_ml_onelevel->i_id ) )
- {
- popup.addAction( qtr(I_PL_ADDF), THEDP, SLOT( simpleMLAppendDialog()) );
- popup.addAction( qtr(I_PL_ADDDIR), THEDP, SLOT( MLAppendDir() ) );
- popup.addAction( qtr(I_OP_ADVOP), THEDP, SLOT( MLAppendDialog() ) );
- }
- popup.exec( QCursor::pos() - addButton->mapFromGlobal( QCursor::pos() )
- + QPoint( 0, addButton->height() ) );
- }
- /* Set sortingindicator to -1 if it's on column thats removed,
- * else check that it's still showing on correct column
- */
- void StandardPLPanel::checkSortingIndicator( int meta )
- {
- int index=0;
- if( view->header()->isSortIndicatorShown() == false )
- return;
- int sortIndex = view->header()->sortIndicatorSection();
- if( sortIndex < 0 || sortIndex > view->header()->count() || meta == 0 )
- return;
- int _meta = meta;
- while( _meta )
- {
- if( _meta & model->shownFlags() )
- index++;
- _meta >>= 1;
- }
- /* Adding column */
- if( model->shownFlags() & meta )
- {
- /* If column is added before sortIndex, move it one to right*/
- if( sortIndex >= index )
- {
- sortIndex += 1;
- }
- } else {
- /* Column removed */
- if( sortIndex == index )
- {
- sortIndex = -1;
- } else if( sortIndex > index )
- {
- /* Move indicator left one step*/
- sortIndex -= 1;
- }
- }
- view->header()->setSortIndicator( sortIndex ,
- view->header()->sortIndicatorOrder() );
- }
- void StandardPLPanel::popupSelectColumn( QPoint pos )
- {
- ContextUpdateMapper = new QSignalMapper(this);
- QMenu selectColMenu;
- int i_column = 1;
- for( i_column = 1; i_column != COLUMN_END; i_column<<=1 )
- {
- QAction* option = selectColMenu.addAction(
- qfu( psz_column_title( i_column ) ) );
- option->setCheckable( true );
- option->setChecked( model->shownFlags() & i_column );
- ContextUpdateMapper->setMapping( option, i_column );
- CONNECT( option, triggered(), ContextUpdateMapper, map() );
- }
- CONNECT( ContextUpdateMapper, mapped( int ), model, viewchanged( int ) );
- selectColMenu.exec( QCursor::pos() );
- }
- /* Search in the playlist */
- void StandardPLPanel::search( const QString& searchText )
- {
- model->search( searchText );
- }
- void StandardPLPanel::doPopup( QModelIndex index, QPoint point )
- {
- if( !index.isValid() ) return;
- QItemSelectionModel *selection = view->selectionModel();
- QModelIndexList list = selection->selectedIndexes();
- model->popup( index, point, list );
- }
- /* Set the root of the new Playlist */
- /* This activated by the selector selection */
- void StandardPLPanel::setRoot( int i_root_id )
- {
- QPL_LOCK;
- playlist_item_t *p_item = playlist_ItemGetById( THEPL, i_root_id );
- assert( p_item );
- p_item = playlist_GetPreferredNode( THEPL, p_item );
- assert( p_item );
- QPL_UNLOCK;
- model->rebuild( p_item );
- }
- void StandardPLPanel::removeItem( int i_id )
- {
- model->removeItem( i_id );
- }
- /* Delete and Suppr key remove the selection
- FilterKey function and code function */
- void StandardPLPanel::keyPressEvent( QKeyEvent *e )
- {
- switch( e->key() )
- {
- case Qt::Key_Back:
- case Qt::Key_Delete:
- deleteSelection();
- break;
- }
- }
- void StandardPLPanel::deleteSelection()
- {
- QItemSelectionModel *selection = view->selectionModel();
- QModelIndexList list = selection->selectedIndexes();
- model->doDelete( list );
- }
- StandardPLPanel::~StandardPLPanel()
- {
- getSettings()->beginGroup("Playlist");
- getSettings()->setValue( "headerState", view->header()->saveState() );
- getSettings()->endGroup();
- }