modules/gui/qt4/dialogs/help.cpp

   1 /*****************************************************************************
   2  * Help.cpp : Help and About dialogs
   3  ****************************************************************************
   4  * Copyright (C) 2007 the VideoLAN team
   5  * $Id$
   6  *
   7  * Authors: Jean-Baptiste Kempf <jb (at) videolan.org>
   8  *          Rémi Duraffort <ivoire (at) via.ecp.fr>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #include <vlc/vlc.h>
  26
  27 #include "dialogs/help.hpp"
  28 #include <vlc_about.h>
  29
  30 #ifdef UPDATE_CHECK
  31 #include <vlc_update.h>
  32 #endif
  33
  34 #include "dialogs_provider.hpp"
  35
  36 #include <vlc_intf_strings.h>
  37
  38 #include <QTextBrowser>
  39 #include <QTabWidget>
  40 #include <QFile>
  41 #include <QLabel>
  42 #include <QString>
  43 #include <QDialogButtonBox>
  44 #include <QEvent>
  45 #include <QFileDialog>
  46 #include <QDate>
  47
  48
  49 HelpDialog *HelpDialog::instance = NULL;
  50
  51 HelpDialog::HelpDialog( intf_thread_t *_p_intf ) : QVLCFrame( _p_intf )
  52 {
  53     setWindowTitle( qtr( "Help" ) );
  54     resize( 600, 560 );
  55
  56     QGridLayout *layout = new QGridLayout( this );
  57     QTextBrowser *helpBrowser = new QTextBrowser( this );
  58     helpBrowser->setOpenExternalLinks( true );
  59     helpBrowser->setHtml( I_LONGHELP );
  60     QPushButton *closeButton = new QPushButton( qtr( "&Close" ) );
  61     closeButton->setDefault( true );
  62
  63     layout->addWidget( helpBrowser, 0, 0, 1, 0 );
  64     layout->addWidget( closeButton, 1, 3 );
  65
  66     BUTTONACT( closeButton, close() );
  67 }
  68
  69 HelpDialog::~HelpDialog()
  70 {
  71 }
  72 void HelpDialog::close()
  73 {
  74     this->toggleVisible();
  75 }
  76
  77 AboutDialog *AboutDialog::instance = NULL;
  78
  79 AboutDialog::AboutDialog( intf_thread_t *_p_intf) :  QVLCFrame( _p_intf )
  80 {
  81     setWindowTitle( qtr( "About" ) );
  82     resize( 600, 500 );
  83
  84     QGridLayout *layout = new QGridLayout( this );
  85     QTabWidget *tab = new QTabWidget( this );
  86
  87     QPushButton *closeButton = new QPushButton( qtr( "&Close" ) );
  88     closeButton->setSizePolicy( QSizePolicy::Minimum, QSizePolicy::Minimum );
  89     closeButton->setDefault( true );
  90
  91     QLabel *introduction = new QLabel(
  92             qtr( "Information about VLC media player." ) );
  93     QLabel *iconVLC = new QLabel;
  94     if( QDate::currentDate().dayOfYear() >= 354 )
  95         iconVLC->setPixmap( QPixmap( ":/vlc48-christmas.png" ) );
  96     else
  97         iconVLC->setPixmap( QPixmap( ":/vlc48.png" ) );
  98     layout->addWidget( iconVLC, 0, 0, 1, 1 );
  99     layout->addWidget( introduction, 0, 1, 1, 7 );
 100     layout->addWidget( tab, 1, 0, 1, 8 );
 101     layout->addWidget( closeButton, 2, 6, 1, 2 );
 102
 103     /* Main Introduction */
 104     QWidget *infoWidget = new QWidget( this );
 105     QHBoxLayout *infoLayout = new QHBoxLayout( infoWidget );
 106     QLabel *infoLabel = new QLabel( "VLC media player " VERSION_MESSAGE "\n\n"
 107             "(c) " COPYRIGHT_YEARS " - the VideoLAN Team\n\n" +
 108             qtr( "VLC media player is a free media player, made by the "
 109                  "VideoLAN Team.\nIt is a standalone multimedia player, "
 110                  "encoder and streamer, that can read from many supports "
 111                  "(files, CDs, DVDs, networks, capture cards...) and that "
 112                  "works on many platforms.\n\n" )
 113             + qtr( "You are using the new Qt4 Interface.\n" )
 114             + qtr( "Compiled by " ) + qfu( VLC_CompileBy() )+ "@"
 115             + qfu( VLC_CompileDomain() ) + ".\n"
 116             + "Compiler: " + qfu( VLC_Compiler() ) + ".\n"
 117             + qtr( "Based on SVN revision: " ) + qfu( VLC_Changeset() )
 118             + ".\n\n"
 119             + qtr( "This program comes with NO WARRANTY, to the extent "
 120                 "permitted by the law; read the distribution tab.\n\n" )
 121             + "The VideoLAN team <videolan@videolan.org> \n"
 122               "http://www.videolan.org/\n" );
 123     infoLabel->setWordWrap( infoLabel );
 124
 125     QLabel *iconVLC2 = new QLabel;
 126     if( QDate::currentDate().dayOfYear() >= 354 )
 127         iconVLC2->setPixmap( QPixmap( ":/vlc128-christmas.png" ) );
 128     else
 129         iconVLC2->setPixmap( QPixmap( ":/vlc128.png" ) );
 130     infoLayout->addWidget( iconVLC2 );
 131     infoLayout->addWidget( infoLabel );
 132
 133     /* GPL License */
 134     QTextEdit *licenseEdit = new QTextEdit( this );
 135     licenseEdit->setFontFamily( "Monospace" );
 136     licenseEdit->setText( qfu( psz_license ) );
 137     licenseEdit->setReadOnly( true );
 138
 139     /* People who helped */
 140     QWidget *thanksWidget = new QWidget( this );
 141     QVBoxLayout *thanksLayout = new QVBoxLayout( thanksWidget );
 142
 143     QLabel *thanksLabel = new QLabel( qtr( "We would like to thank the whole "
 144                 "community, the testers, our users and the following people "
 145                 "(and the missing ones...) for their collaboration to "
 146                 "provide the best software." ) );
 147     thanksLabel->setWordWrap( true );
 148     thanksLayout->addWidget( thanksLabel );
 149     QTextEdit *thanksEdit = new QTextEdit( this );
 150     thanksEdit->setText( qfu( psz_thanks ) );
 151     thanksEdit->setReadOnly( true );
 152     thanksLayout->addWidget( thanksEdit );
 153
 154     /* People who wrote the software */
 155     QTextEdit *authorsEdit = new QTextEdit( this );
 156     authorsEdit->setText( qfu( psz_authors ) );
 157     authorsEdit->setReadOnly( true );
 158
 159     /* add the tabs to the Tabwidget */
 160     tab->addTab( infoWidget, qtr( "General Info" ) );
 161     tab->addTab( authorsEdit, qtr( "Authors" ) );
 162     tab->addTab( thanksWidget, qtr("Thanks") );
 163     tab->addTab( licenseEdit, qtr("Distribution License") );
 164
 165     BUTTONACT( closeButton, close() );
 166 }
 167
 168 AboutDialog::~AboutDialog()
 169 {
 170 }
 171 void AboutDialog::close()
 172 {
 173     this->toggleVisible();
 174 }
 175
 176 #ifdef UPDATE_CHECK
 177
 178 /*****************************************************************************
 179  * UpdateDialog
 180  *****************************************************************************/
 181 /* callback to get information from the core */
 182 static void UpdateCallback( void *data )
 183 {
 184     UpdateDialog* UDialog = (UpdateDialog *)data;
 185     QEvent *event = new QEvent( QEvent::User );
 186     QApplication::postEvent( UDialog, event );
 187 }
 188
 189 UpdateDialog *UpdateDialog::instance = NULL;
 190
 191 UpdateDialog::UpdateDialog( intf_thread_t *_p_intf ) : QVLCFrame( _p_intf )
 192 {
 193     setWindowTitle( qtr( "Update" ) );
 194     resize( 120, 80 );
 195
 196     QGridLayout *layout = new QGridLayout( this );
 197
 198     QPushButton *closeButton = new QPushButton( qtr( "&Close" ) );
 199     updateButton = new QPushButton( qtr( "&Update List" ) );
 200     updateButton->setDefault( true );
 201     QDialogButtonBox *buttonBox = new QDialogButtonBox( Qt::Horizontal );
 202     buttonBox->addButton( updateButton, QDialogButtonBox::ActionRole );
 203     buttonBox->addButton( closeButton, QDialogButtonBox::AcceptRole );
 204
 205     updateLabel = new QLabel( qtr( "Checking for the update..." ) );
 206     updateLabel->setWordWrap( true );
 207
 208     layout->addWidget( updateLabel, 0, 0 );
 209     layout->addWidget( buttonBox, 1, 0 );
 210
 211     BUTTONACT( updateButton, UpdateOrDownload() );
 212     BUTTONACT( closeButton, close() );
 213
 214     /* create the update structure and the callback */
 215     p_update = update_New( _p_intf );
 216     b_checked = false;
 217 }
 218
 219 UpdateDialog::~UpdateDialog()
 220 {
 221     update_Delete( p_update );
 222 }
 223
 224 void UpdateDialog::close()
 225 {
 226     toggleVisible();
 227 }
 228
 229 /* Check for updates */
 230 void UpdateDialog::UpdateOrDownload()
 231 {
 232     if( !b_checked )
 233     {
 234         updateButton->setEnabled( false );
 235         update_Check( p_update, UpdateCallback, this );
 236     }
 237     else
 238     {
 239         updateButton->setEnabled( false );
 240         QString dest_dir = QFileDialog::getExistingDirectory( this, qtr( "Select a directory ..." ),
 241                                                               qfu( p_update->p_libvlc->psz_homedir ) );
 242
 243         if( dest_dir != "" )
 244         {
 245             toggleVisible();
 246             update_Download( p_update, qtu( dest_dir ) );
 247         }
 248         else
 249             updateButton->setEnabled( true );
 250     }
 251 }
 252
 253 /* Handle the events */
 254 void UpdateDialog::customEvent( QEvent *event )
 255 {
 256     updateNotify();
 257 }
 258
 259 /* Notify the end of the update_Check */
 260 void UpdateDialog::updateNotify()
 261 {
 262     if( update_CompareReleaseToCurrent( p_update ) == UpdateReleaseStatusNewer )
 263     {
 264         b_checked = true;
 265         updateButton->setText( "Download" );
 266         updateLabel->setText( qtr( "There is a new version of vlc :\n" ) + qfu( p_update->release.psz_desc )  );
 267     }
 268     else
 269     {
 270         updateLabel->setText( qtr( "You have the latest version of vlc" ) );
 271     }
 272     adjustSize();
 273     updateButton->setEnabled( true );
 274 }
 275
 276
 277 #endif