open.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:15k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * open.cpp : Advanced open dialog
- *****************************************************************************
- * Copyright © 2006-2009 the VideoLAN team
- * $Id: ec4fe8e37ed2f87f13e5ebbb490c7cc961e3581a $
- *
- * Authors: Jean-Baptiste Kempf <jb@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 "dialogs/open.hpp"
- #include "dialogs_provider.hpp"
- #include "recents.hpp"
- #include "util/qt_dirs.hpp"
- #include <QTabWidget>
- #include <QGridLayout>
- #include <QRegExp>
- #include <QMenu>
- #define DEBUG_QT 1
- OpenDialog *OpenDialog::instance = NULL;
- OpenDialog* OpenDialog::getInstance( QWidget *parent, intf_thread_t *p_intf,
- bool b_rawInstance, int _action_flag, bool b_selectMode, bool _b_pl )
- {
- /* Creation */
- if( !instance )
- instance = new OpenDialog( parent, p_intf, b_selectMode,
- _action_flag, _b_pl );
- else if( !b_rawInstance )
- {
- /* Request the instance but change small details:
- - Button menu */
- if( b_selectMode )
- _action_flag = SELECT; /* This should be useless, but we never know
- if the call is correct */
- instance->setWindowModality( Qt::WindowModal );
- instance->i_action_flag = _action_flag;
- instance->b_pl = _b_pl;
- instance->setMenuAction();
- }
- return instance;
- }
- OpenDialog::OpenDialog( QWidget *parent,
- intf_thread_t *_p_intf,
- bool b_selectMode,
- int _action_flag,
- bool _b_pl) : QVLCDialog( parent, _p_intf )
- {
- i_action_flag = _action_flag;
- b_pl =_b_pl;
- if( b_selectMode ) /* Select mode */
- i_action_flag = SELECT;
- /* Basic Creation of the Window */
- ui.setupUi( this );
- setWindowTitle( qtr( "Open Media" ) );
- setWindowModality( Qt::WindowModal );
- /* Tab definition and creation */
- fileOpenPanel = new FileOpenPanel( this, p_intf );
- discOpenPanel = new DiscOpenPanel( this, p_intf );
- netOpenPanel = new NetOpenPanel( this, p_intf );
- captureOpenPanel = new CaptureOpenPanel( this, p_intf );
- /* Insert the tabs */
- ui.Tab->insertTab( OPEN_FILE_TAB, fileOpenPanel, QIcon( ":/folder-grey" ),
- qtr( "&File" ) );
- ui.Tab->insertTab( OPEN_DISC_TAB, discOpenPanel, QIcon( ":/disc" ),
- qtr( "&Disc" ) );
- ui.Tab->insertTab( OPEN_NETWORK_TAB, netOpenPanel, QIcon( ":/network" ),
- qtr( "&Network" ) );
- ui.Tab->insertTab( OPEN_CAPTURE_TAB, captureOpenPanel, QIcon( ":/capture-card" ),
- qtr( "Capture &Device" ) );
- /* Hide the Slave input widgets */
- ui.slaveLabel->hide();
- ui.slaveText->hide();
- ui.slaveBrowseButton->hide();
- /* Buttons Creation */
- /* Play Button */
- playButton = ui.playButton;
- /* Cancel Button */
- cancelButton = new QPushButton( qtr( "&Cancel" ) );
- /* Select Button */
- selectButton = new QPushButton( qtr( "&Select" ) );
- /* Menu for the Play button */
- QMenu * openButtonMenu = new QMenu( "Open" );
- openButtonMenu->addAction( qtr( "&Enqueue" ), this, SLOT( enqueue() ),
- QKeySequence( "Alt+E" ) );
- openButtonMenu->addAction( qtr( "&Play" ), this, SLOT( play() ),
- QKeySequence( "Alt+P" ) );
- openButtonMenu->addAction( qtr( "&Stream" ), this, SLOT( stream() ) ,
- QKeySequence( "Alt+S" ) );
- openButtonMenu->addAction( qtr( "&Convert" ), this, SLOT( transcode() ) ,
- QKeySequence( "Alt+C" ) );
- ui.menuButton->setMenu( openButtonMenu );
- ui.menuButton->setIcon( QIcon( ":/down_arrow" ) );
- /* Add the three Buttons */
- ui.buttonsBox->addButton( selectButton, QDialogButtonBox::AcceptRole );
- ui.buttonsBox->addButton( cancelButton, QDialogButtonBox::RejectRole );
- /* At creation time, modify the default buttons */
- setMenuAction();
- /* Force MRL update on tab change */
- CONNECT( ui.Tab, currentChanged( int ), this, signalCurrent( int ) );
- CONNECT( fileOpenPanel, mrlUpdated( const QStringList&, const QString& ),
- this, updateMRL( const QStringList&, const QString& ) );
- CONNECT( netOpenPanel, mrlUpdated( const QStringList&, const QString& ),
- this, updateMRL( const QStringList&, const QString& ) );
- CONNECT( discOpenPanel, mrlUpdated( const QStringList&, const QString& ),
- this, updateMRL( const QStringList&, const QString& ) );
- CONNECT( captureOpenPanel, mrlUpdated( const QStringList&, const QString& ),
- this, updateMRL( const QStringList&, const QString& ) );
- CONNECT( fileOpenPanel, methodChanged( const QString& ),
- this, newCachingMethod( const QString& ) );
- CONNECT( netOpenPanel, methodChanged( const QString& ),
- this, newCachingMethod( const QString& ) );
- CONNECT( discOpenPanel, methodChanged( const QString& ),
- this, newCachingMethod( const QString& ) );
- CONNECT( captureOpenPanel, methodChanged( const QString& ),
- this, newCachingMethod( const QString& ) );
- /* Advanced frame Connects */
- CONNECT( ui.slaveCheckbox, toggled( bool ), this, updateMRL() );
- CONNECT( ui.slaveText, textChanged( const QString& ), this, updateMRL() );
- CONNECT( ui.cacheSpinBox, valueChanged( int ), this, updateMRL() );
- CONNECT( ui.startTimeDoubleSpinBox, valueChanged( double ), this, updateMRL() );
- BUTTONACT( ui.advancedCheckBox, toggleAdvancedPanel() );
- BUTTONACT( ui.slaveBrowseButton, browseInputSlave() );
- /* Buttons action */
- BUTTONACT( playButton, selectSlots() );
- BUTTONACT( selectButton, close() );
- BUTTONACT( cancelButton, cancel() );
- /* Hide the advancedPanel */
- if( !config_GetInt( p_intf, "qt-adv-options" ) )
- ui.advancedFrame->hide();
- else
- ui.advancedCheckBox->setChecked( true );
- /* Initialize caching */
- storedMethod = "";
- newCachingMethod( "file-caching" );
- setMinimumSize( sizeHint() );
- setMaximumWidth( 900 );
- resize( getSettings()->value( "opendialog-size", QSize( 500, 490 ) ).toSize() );
- }
- OpenDialog::~OpenDialog()
- {
- getSettings()->setValue( "opendialog-size", size() );
- }
- /* Used by VLM dialog and inputSlave selection */
- QString OpenDialog::getMRL( bool b_all )
- {
- if( itemsMRL.size() == 0 ) return "";
- return b_all ? itemsMRL[0] + ui.advancedLineInput->text()
- : itemsMRL[0];
- }
- /* Finish the dialog and decide if you open another one after */
- void OpenDialog::setMenuAction()
- {
- if( i_action_flag == SELECT )
- {
- playButton->hide();
- selectButton->show();
- selectButton->setDefault( true );
- }
- else
- {
- switch ( i_action_flag )
- {
- case OPEN_AND_STREAM:
- playButton->setText( qtr( "&Stream" ) );
- break;
- case OPEN_AND_SAVE:
- playButton->setText( qtr( "&Convert / Save" ) );
- break;
- case OPEN_AND_ENQUEUE:
- playButton->setText( qtr( "&Enqueue" ) );
- break;
- case OPEN_AND_PLAY:
- default:
- playButton->setText( qtr( "&Play" ) );
- }
- playButton->show();
- selectButton->hide();
- playButton->setDefault( true );
- }
- }
- void OpenDialog::showTab( int i_tab )
- {
- if( i_tab == OPEN_CAPTURE_TAB ) captureOpenPanel->initialize();
- ui.Tab->setCurrentIndex( i_tab );
- show();
- }
- /* Function called on signal currentChanged triggered */
- void OpenDialog::signalCurrent( int i_tab )
- {
- if( i_tab == OPEN_CAPTURE_TAB ) captureOpenPanel->initialize();
- if( ui.Tab->currentWidget() != NULL )
- ( dynamic_cast<OpenPanel *>( ui.Tab->currentWidget() ) )->updateMRL();
- }
- void OpenDialog::toggleAdvancedPanel()
- {
- if( ui.advancedFrame->isVisible() )
- {
- ui.advancedFrame->hide();
- if( size().isValid() )
- resize( size().width(), size().height()
- - ui.advancedFrame->height() );
- }
- else
- {
- ui.advancedFrame->show();
- if( size().isValid() )
- resize( size().width(), size().height()
- + ui.advancedFrame->height() );
- }
- }
- /***********
- * Actions *
- ***********/
- /* If Cancel is pressed or escaped */
- void OpenDialog::cancel()
- {
- /* Clear the panels */
- for( int i = 0; i < OPEN_TAB_MAX; i++ )
- dynamic_cast<OpenPanel*>( ui.Tab->widget( i ) )->clear();
- /* Clear the variables */
- itemsMRL.clear();
- optionsMRL.clear();
- /* If in Select Mode, reject instead of hiding */
- if( i_action_flag == SELECT ) reject();
- else hide();
- }
- /* If EnterKey is pressed */
- void OpenDialog::close()
- {
- /* If in Select Mode, accept instead of selecting a Slot */
- if( i_action_flag == SELECT )
- accept();
- else
- selectSlots();
- }
- /* Play button */
- void OpenDialog::selectSlots()
- {
- switch ( i_action_flag )
- {
- case OPEN_AND_STREAM:
- stream();
- break;
- case OPEN_AND_SAVE:
- transcode();
- break;
- case OPEN_AND_ENQUEUE:
- enqueue();
- break;
- case OPEN_AND_PLAY:
- default:
- play();
- }
- }
- void OpenDialog::play()
- {
- finish( false );
- }
- void OpenDialog::enqueue()
- {
- finish( true );
- }
- void OpenDialog::finish( bool b_enqueue = false )
- {
- toggleVisible();
- if( i_action_flag == SELECT )
- {
- accept();
- return;
- }
- /* Sort alphabetically */
- itemsMRL.sort();
- /* Go through the item list */
- for( int i = 0; i < itemsMRL.size(); i++ )
- {
- bool b_start = !i && !b_enqueue;
- input_item_t *p_input;
- p_input = input_item_New( p_intf, qtu( itemsMRL[i] ), NULL );
- /* Insert options only for the first element.
- We don't know how to edit that anyway. */
- if( i == 0 )
- {
- /* Take options from the UI, not from what we stored */
- QStringList optionsList = ui.advancedLineInput->text().split( " :" );
- /* Insert options */
- for( int j = 0; j < optionsList.size(); j++ )
- {
- QString qs = colon_unescape( optionsList[j] );
- if( !qs.isEmpty() )
- {
- input_item_AddOption( p_input, qtu( qs ),
- VLC_INPUT_OPTION_TRUSTED );
- #ifdef DEBUG_QT
- msg_Warn( p_intf, "Input option: %s", qtu( qs ) );
- #endif
- }
- }
- }
- /* Switch between enqueuing and starting the item */
- /* FIXME: playlist_AddInput() can fail */
- playlist_AddInput( THEPL, p_input,
- PLAYLIST_APPEND | ( b_start ? PLAYLIST_GO : PLAYLIST_PREPARSE ),
- PLAYLIST_END, b_pl ? true : false, pl_Unlocked );
- vlc_gc_decref( p_input );
- /* Do not add the current MRL if playlist_AddInput fail */
- RecentsMRL::getInstance( p_intf )->addRecent( itemsMRL[i] );
- }
- }
- void OpenDialog::transcode()
- {
- stream( true );
- }
- void OpenDialog::stream( bool b_transcode_only )
- {
- QString soutMRL = getMRL( false );
- if( soutMRL.isEmpty() ) return;
- toggleVisible();
- /* Dbg and send :D */
- msg_Dbg( p_intf, "MRL passed to the Sout: %s", qtu( soutMRL ) );
- THEDP->streamingDialog( this, soutMRL, b_transcode_only,
- ui.advancedLineInput->text().split( " :" ) );
- }
- /* Update the MRL */
- void OpenDialog::updateMRL( const QStringList& item, const QString& tempMRL )
- {
- optionsMRL = tempMRL;
- itemsMRL = item;
- updateMRL();
- }
- void OpenDialog::updateMRL() {
- QString mrl = optionsMRL;
- if( ui.slaveCheckbox->isChecked() ) {
- mrl += " :input-slave=" + ui.slaveText->text();
- }
- int i_cache = config_GetInt( p_intf, qtu( storedMethod ) );
- if( i_cache != ui.cacheSpinBox->value() ) {
- mrl += QString( " :%1=%2" ).arg( storedMethod ).
- arg( ui.cacheSpinBox->value() );
- }
- if( ui.startTimeDoubleSpinBox->value() ) {
- mrl += " :start-time=" + QString::number( ui.startTimeDoubleSpinBox->value() );
- }
- ui.advancedLineInput->setText( mrl );
- ui.mrlLine->setText( itemsMRL.join( " " ) );
- }
- void OpenDialog::newCachingMethod( const QString& method )
- {
- if( method != storedMethod ) {
- storedMethod = method;
- int i_value = config_GetInt( p_intf, qtu( storedMethod ) );
- ui.cacheSpinBox->setValue( i_value );
- }
- }
- QStringList OpenDialog::SeparateEntries( const QString& entries )
- {
- bool b_quotes_mode = false;
- QStringList entries_array;
- QString entry;
- int index = 0;
- while( index < entries.size() )
- {
- int delim_pos = entries.indexOf( QRegExp( "\s+|"" ), index );
- if( delim_pos < 0 ) delim_pos = entries.size() - 1;
- entry += entries.mid( index, delim_pos - index + 1 );
- index = delim_pos + 1;
- if( entry.isEmpty() ) continue;
- if( !b_quotes_mode && entry.endsWith( """ ) )
- {
- /* Enters quotes mode */
- entry.truncate( entry.size() - 1 );
- b_quotes_mode = true;
- }
- else if( b_quotes_mode && entry.endsWith( """ ) )
- {
- /* Finished the quotes mode */
- entry.truncate( entry.size() - 1 );
- b_quotes_mode = false;
- }
- else if( !b_quotes_mode && !entry.endsWith( """ ) )
- {
- /* we found a non-quoted standalone string */
- if( index < entries.size() ||
- entry.endsWith( " " ) || entry.endsWith( "t" ) ||
- entry.endsWith( "r" ) || entry.endsWith( "n" ) )
- entry.truncate( entry.size() - 1 );
- if( !entry.isEmpty() ) entries_array.append( entry );
- entry.clear();
- }
- else
- {;}
- }
- if( !entry.isEmpty() ) entries_array.append( entry );
- return entries_array;
- }
- void OpenDialog::browseInputSlave()
- {
- OpenDialog *od = new OpenDialog( this, p_intf, true, SELECT );
- od->exec();
- ui.slaveText->setText( od->getMRL( false ) );
- delete od;
- }