open_panels.cpp

VLC Player Source Code

/*****************************************************************************
 * open.cpp : Panels for the open dialogs
 ****************************************************************************
 * Copyright (C) 2006-2008 the VideoLAN team
 * Copyright (C) 2007 Société des arts technologiques
 * Copyright (C) 2007 Savoir-faire Linux
 *
 * $Id: f7e1cb296ff152c4cc279422d0ad45312e5f8e83 $
 *
 * Authors: Clément Stenac <[e-mail]>
 *          Jean-Baptiste Kempf <[e-mail]>
 *          Pierre-Luc Beaudoin <[e-mail]>
 *
 * 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 "components/open_panels.hpp"
#include "dialogs/open.hpp"
#include "dialogs_provider.hpp"

#include <QFileDialog>
#include <QDialogButtonBox>
#include <QLineEdit>
#include <QStackedLayout>
#include <QListView>
#include <QCompleter>
#include <QDirModel>
#include <QScrollArea>
#include <QUrl>

#define I_DEVICE_TOOLTIP N_("Select the device or the VIDEO_TS directory")

/**************************************************************************
 * Open Files and subtitles                                               *
 **************************************************************************/
FileOpenPanel::FileOpenPanel( QWidget *_parent, intf_thread_t *_p_intf ) :
                                OpenPanel( _parent, _p_intf )
{
    /* Classic UI Setup */
    ui.setupUi( this );

    /** BEGIN QFileDialog tweaking **/
    /* Use a QFileDialog and customize it because we don't want to
       rewrite it all. Be careful to your eyes cause there are a few hacks.
       Be very careful and test correctly when you modify this. */

    /* Set Filters for file selection */
    QString fileTypes = "";
    ADD_FILTER_MEDIA( fileTypes );
    ADD_FILTER_VIDEO( fileTypes );
    ADD_FILTER_AUDIO( fileTypes );
    ADD_FILTER_PLAYLIST( fileTypes );
    ADD_FILTER_ALL( fileTypes );
    fileTypes.replace( QString(";*"), QString(" *"));

    // Make this QFileDialog a child of tempWidget from the ui.
    dialogBox = new FileOpenBox( ui.tempWidget, NULL,
            qfu( p_intf->p_sys->psz_filepath ), fileTypes );

    dialogBox->setFileMode( QFileDialog::ExistingFiles );
    dialogBox->setAcceptMode( QFileDialog::AcceptOpen );
#if HAS_QT43
    dialogBox->restoreState(
            getSettings()->value( "file-dialog-state" ).toByteArray() );
#endif

    /* We don't want to see a grip in the middle of the window, do we? */
    dialogBox->setSizeGripEnabled( false );

    /* Add a tooltip */
    dialogBox->setToolTip( qtr( "Select one or multiple files" ) );
    dialogBox->setMinimumHeight( 250 );

    // But hide the two OK/Cancel buttons. Enable them for debug.
    QDialogButtonBox *fileDialogAcceptBox =
                      dialogBox->findChildren<QDialogButtonBox*>()[0];
    fileDialogAcceptBox->hide();

    /* Ugly hacks to get the good Widget */
    //This lineEdit is the normal line in the fileDialog.
#if HAS_QT43
    lineFileEdit = dialogBox->findChildren<QLineEdit*>()[0];
#else
    lineFileEdit = dialogBox->findChildren<QLineEdit*>()[1];
#endif
    /* Make a list of QLabel inside the QFileDialog to access the good ones */
    QList<QLabel *> listLabel = dialogBox->findChildren<QLabel*>();

    /* Hide the FileNames one. Enable it for debug */
    listLabel[1]->setText( qtr( "File names:" ) );
    /* Change the text that was uncool in the usual box */
    listLabel[2]->setText( qtr( "Filter:" ) );

    dialogBox->layout()->setMargin( 0 );
    dialogBox->layout()->setSizeConstraint( QLayout::SetNoConstraint );

    /** END of QFileDialog tweaking **/

    // Add the DialogBox to the layout
    ui.gridLayout->addWidget( dialogBox, 0, 0, 1, 3 );

    //TODO later: fill the fileCompleteList with previous items played.
    QCompleter *fileCompleter = new QCompleter( fileCompleteList, this );
    fileCompleter->setModel( new QDirModel( fileCompleter ) );
    lineFileEdit->setCompleter( fileCompleter );

    // Hide the subtitles control by default.
    ui.subFrame->hide();

    /* Build the subs size combo box */
    setfillVLCConfigCombo( "freetype-rel-fontsize" , p_intf,
                            ui.sizeSubComboBox );

    /* Build the subs align combo box */
    setfillVLCConfigCombo( "subsdec-align", p_intf, ui.alignSubComboBox );

    /* Connects  */
    BUTTONACT( ui.subBrowseButton, browseFileSub() );
    BUTTONACT( ui.subCheckBox, toggleSubtitleFrame());

    CONNECT( lineFileEdit, textChanged( QString ), this, updateMRL() );
    CONNECT( ui.subInput, textChanged( QString ), this, updateMRL() );
    CONNECT( ui.alignSubComboBox, currentIndexChanged( int ), this, updateMRL() );
    CONNECT( ui.sizeSubComboBox, currentIndexChanged( int ), this, updateMRL() );
}

FileOpenPanel::~FileOpenPanel()
{
#if HAS_QT43
    getSettings()->setValue( "file-dialog-state", dialogBox->saveState() );
#endif
}

/* Show a fileBrowser to select a subtitle */
void FileOpenPanel::browseFileSub()
{
    // TODO Handle selection of more than one subtitles file
    QStringList files = THEDP->showSimpleOpen( qtr("Open subtitles file"),
                            EXT_FILTER_SUBTITLE,
                            dialogBox->directory().absolutePath() );
    if( files.isEmpty() ) return;
    ui.subInput->setText( files.join(" ") );
    updateMRL();
}

/* Update the current MRL */
void FileOpenPanel::updateMRL()
{
    QString mrl = "";
    foreach( QString file, dialogBox->selectedFiles() ) {
         mrl += "\"" + file + "\" ";
    }

    if( ui.subCheckBox->isChecked() ) {
        mrl.append( " :sub-file=\"" + ui.subInput->text() + "\"" );
        int align = ui.alignSubComboBox->itemData(
                    ui.alignSubComboBox->currentIndex() ).toInt();
        mrl.append( " :subsdec-align=" + QString().setNum( align ) );
        int size = ui.sizeSubComboBox->itemData(
                   ui.sizeSubComboBox->currentIndex() ).toInt();
        mrl.append( " :freetype-rel-fontsize=" + QString().setNum( size ) );
    }

    emit mrlUpdated( mrl );
    emit methodChanged( "file-caching" );
}

/* Function called by Open Dialog when clicke on Play/Enqueue */
void FileOpenPanel::accept()
{
    //TODO set the completer
    p_intf->p_sys->psz_filepath = qtu( dialogBox->directory().absolutePath() );
}

void FileOpenBox::accept()
{
    OpenDialog::getInstance( NULL, NULL, true )->selectSlots();
}

void FileOpenBox::reject()
{
    OpenDialog::getInstance( NULL, NULL, true )->cancel();
}

/* Function called by Open Dialog when clicked on cancel */
void FileOpenPanel::clear()
{
    lineFileEdit->clear();
    ui.subInput->clear();
}

void FileOpenPanel::toggleSubtitleFrame()
{
    TOGGLEV( ui.subFrame );

    /* Update the MRL */
    updateMRL();
}

/**************************************************************************
 * Open Discs ( DVD, CD, VCD and similar devices )                        *
 **************************************************************************/
DiscOpenPanel::DiscOpenPanel( QWidget *_parent, intf_thread_t *_p_intf ) :
                                OpenPanel( _parent, _p_intf )
{
    ui.setupUi( this );

    /* Get the default configuration path for the devices */
    psz_dvddiscpath = config_GetPsz( p_intf, "dvd" );
    psz_vcddiscpath = config_GetPsz( p_intf, "vcd" );
    psz_cddadiscpath = config_GetPsz( p_intf, "cd-audio" );

    /* State to avoid overwritting the users changes with the configuration */
    b_firstdvd = true;
    b_firstvcd = true;
    b_firstcdda = true;

    ui.browseDiscButton->setToolTip( qtr( I_DEVICE_TOOLTIP ));
    ui.deviceCombo->setToolTip( I_DEVICE_TOOLTIP );

#if WIN32 /* Disc drives probing for Windows */
    char szDrives[512];
    szDrives[0] = '\0';
    if( GetLogicalDriveStringsA( sizeof( szDrives ) - 1, szDrives ) )
    {
        char *drive = szDrives;
        UINT oldMode = SetErrorMode( SEM_FAILCRITICALERRORS );
        while( *drive )
        {
            if( GetDriveTypeA(drive) == DRIVE_CDROM )
                ui.deviceCombo->addItem( drive );

            /* go to next drive */
            while( *(drive++) );
        }
        SetErrorMode(oldMode);
    }
#else /* Use a Completer under Linux */
    QCompleter *discCompleter = new QCompleter( this );
    discCompleter->setModel( new QDirModel( discCompleter ) );
    ui.deviceCombo->setCompleter( discCompleter );
#endif

    /* CONNECTs */
    BUTTONACT( ui.dvdRadioButton, updateButtons() );
    BUTTONACT( ui.vcdRadioButton, updateButtons() );
    BUTTONACT( ui.audioCDRadioButton, updateButtons() );
    BUTTONACT( ui.dvdsimple, updateButtons() );
    BUTTONACT( ui.browseDiscButton, browseDevice() );
    BUTTON_SET_ACT_I( ui.ejectButton, "", eject, qtr( "Eject the disc" ),
            eject() );

    CONNECT( ui.deviceCombo, editTextChanged( QString ), this, updateMRL());
    CONNECT( ui.titleSpin, valueChanged( int ), this, updateMRL());
    CONNECT( ui.chapterSpin, valueChanged( int ), this, updateMRL());
    CONNECT( ui.audioSpin, valueChanged( int ), this, updateMRL());
    CONNECT( ui.subtitlesSpin, valueChanged( int ), this, updateMRL());

    /* Run once the updateButtons function in order to fill correctly the comboBoxes */
    updateButtons();
}

DiscOpenPanel::~DiscOpenPanel()
{
    free( psz_dvddiscpath );
    free( psz_vcddiscpath );
    free( psz_cddadiscpath );
}

void DiscOpenPanel::clear()
{
    ui.titleSpin->setValue( 0 );
    ui.chapterSpin->setValue( 0 );
    b_firstcdda = true;
    b_firstdvd = true;
    b_firstvcd = true;
}

#ifdef WIN32
    #define setDrive( psz_name ) {\
    int index = ui.deviceCombo->findText( qfu( psz_name ) ); \
    if( index != -1 ) ui.deviceCombo->setCurrentIndex( index );}
#else
    #define setDrive( psz_name ) {\
    ui.deviceCombo->setEditText( qfu( psz_name ) ); }
#endif

/* update the buttons according the type of device */
void DiscOpenPanel::updateButtons()
{
    if ( ui.dvdRadioButton->isChecked() )
    {
        if( b_firstdvd )
        {
            setDrive( psz_dvddiscpath );
            b_firstdvd = false;
        }
        ui.titleLabel->setText( qtr("Title") );
        ui.chapterLabel->show();
        ui.chapterSpin->show();
        ui.diskOptionBox_2->show();
        ui.dvdsimple->setEnabled( true );
    }
    else if ( ui.vcdRadioButton->isChecked() )
    {
        if( b_firstvcd )
        {
            setDrive( psz_vcddiscpath );
            b_firstvcd = false;
        }
        ui.titleLabel->setText( qtr("Entry") );
        ui.chapterLabel->hide();
        ui.chapterSpin->hide();
        ui.diskOptionBox_2->show();
        ui.dvdsimple->setEnabled( false );
    }
    else /* CDDA */
    {
        if( b_firstcdda )
        {
            setDrive( psz_cddadiscpath );
            b_firstcdda = false;
        }
        ui.titleLabel->setText( qtr("Track") );
        ui.chapterLabel->hide();
        ui.chapterSpin->hide();
        ui.diskOptionBox_2->hide();
        ui.dvdsimple->setEnabled( false );
    }

    updateMRL();
}

/* Update the current MRL */
void DiscOpenPanel::updateMRL()
{
    QString mrl = "";

    /* CDDAX and VCDX not implemented. TODO ? */
    /* DVD */
    if( ui.dvdRadioButton->isChecked() ) {
        if( !ui.dvdsimple->isChecked() )
            mrl = "\"dvd://";
        else
            mrl = "\"dvdsimple://";
        mrl += ui.deviceCombo->currentText();
        emit methodChanged( "dvdnav-caching" );

        if ( ui.titleSpin->value() > 0 ) {
            mrl += QString("@%1").arg( ui.titleSpin->value() );
            if ( ui.chapterSpin->value() > 0 ) {
                mrl+= QString(":%1").arg( ui.chapterSpin->value() );
            }
        }

    /* VCD */
    } else if ( ui.vcdRadioButton->isChecked() ) {
        mrl = "\"vcd://" + ui.deviceCombo->currentText();
        emit methodChanged( "vcd-caching" );

        if( ui.titleSpin->value() > 0 ) {
            mrl += QString("@E%1").arg( ui.titleSpin->value() );
        }

    /* CDDA */
    } else {
        mrl = "\"cdda://" + ui.deviceCombo->currentText();
        if( ui.titleSpin->value() > 0 ) {
            QString("@%1").arg( ui.titleSpin->value() );
        }
    }

    mrl += "\"";

    if ( ui.dvdRadioButton->isChecked() || ui.vcdRadioButton->isChecked() )
    {
        if ( ui.audioSpin->value() >= 0 ) {
            mrl += " :audio-track=" +
                QString("%1").arg( ui.audioSpin->value() );
        }
        if ( ui.subtitlesSpin->value() >= 0 ) {
            mrl += " :sub-track=" +
                QString("%1").arg( ui.subtitlesSpin->value() );
        }
    }
    emit mrlUpdated( mrl );
}

void DiscOpenPanel::browseDevice()
{