git.sesse.net Git - vlc/blob - modules/gui/qt4/dialogs/messages.cpp

   1 /*****************************************************************************
   2  * Messages.cpp : Information about an item
   3  ****************************************************************************
   4  * Copyright (C) 2006 the VideoLAN team
   5  * $Id: Messages.cpp 16024 2006-07-13 13:51:05Z xtophe $
   6  *
   7  * Authors: Jean-Baptiste Kempf <jb (at) videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22  *****************************************************************************/
  23
  24 #include "dialogs/messages.hpp"
  25 #include "dialogs_provider.hpp"
  26 #include "util/qvlcframe.hpp"
  27 #include "qt4.hpp"
  28 #include <QSpacerItem>
  29 #include <QSpinBox>
  30 #include <QLabel>
  31 #include <QTextEdit>
  32 #include <QTextCursor>
  33 #include <QFileDialog>
  34 #include <QTextStream>
  35 #include <QMessageBox>
  36
  37 MessagesDialog *MessagesDialog::instance = NULL;
  38
  39 MessagesDialog::MessagesDialog( intf_thread_t *_p_intf) :  QVLCFrame( _p_intf )
  40 {
  41     setWindowTitle( _("Messages" ) );
  42     resize(600, 400);
  43
  44     QGridLayout *layout = new QGridLayout(this);
  45     QPushButton *closeButton = new QPushButton(qtr("&Close"));
  46     QPushButton *clearButton = new QPushButton(qtr("&Clear"));
  47     QPushButton *saveLogButton = new QPushButton(qtr("&Save as..."));
  48     verbosityBox = new QSpinBox();
  49     verbosityBox->setRange(0, 2);
  50     verbosityBox->setValue(config_GetInt(p_intf, "verbose"));
  51     verbosityBox->setWrapping(true);
  52     verbosityBox->setMaximumWidth( 50 );
  53     QLabel *verbosityLabel = new QLabel(qtr("Verbosity Level"));
  54     messages = new QTextEdit();
  55     messages->setReadOnly(true);
  56     messages->setGeometry(0, 0, 440, 600);
  57     messages->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  58
  59     layout->addWidget(messages, 0, 0, 1, 0);
  60     layout->addWidget(verbosityLabel, 1, 0, 1,1 );
  61     layout->addWidget(verbosityBox, 1, 1 );
  62     layout->addItem( new QSpacerItem( 20, 20, QSizePolicy::Expanding ), 1,2 );
  63     layout->addWidget(saveLogButton, 1, 3 );
  64     layout->addWidget(clearButton, 1, 4 );
  65     layout->addWidget(closeButton, 1, 5 );
  66
  67     connect( closeButton, SIGNAL( clicked() ) ,
  68            this, SLOT( onCloseButton()));
  69     connect( clearButton, SIGNAL( clicked() ) ,
  70            this, SLOT( onClearButton()));
  71     connect( saveLogButton, SIGNAL( clicked() ) ,
  72            this, SLOT( onSaveButton()));
  73     connect( DialogsProvider::getInstance(NULL)->fixed_timer,
  74              SIGNAL( timeout() ), this, SLOT(updateLog() ) );
  75 }
  76
  77 MessagesDialog::~MessagesDialog()
  78 {
  79 }
  80
  81 void MessagesDialog::updateLog()
  82 {
  83     msg_subscription_t *p_sub = p_intf->p_sys->p_sub;
  84     int i_start;
  85
  86     vlc_mutex_lock( p_sub->p_lock );
  87     int i_stop = *p_sub->pi_stop;
  88     vlc_mutex_unlock( p_sub->p_lock );
  89
  90     messages->textCursor().movePosition( QTextCursor::End );
  91     if( p_sub->i_start != i_stop )
  92     {
  93         for( i_start = p_sub->i_start;
  94                 i_start != i_stop;
  95                 i_start = (i_start+1) % VLC_MSG_QSIZE )
  96         {
  97           // [FIXME] Does not work as the old one
  98           // Outputs too much data ?
  99           // if (p_sub->p_msg[i_start].i_type = VLC_MSG_ERR)
 100           //          continue;
 101           //  if( !b_verbose &&
 102           //         VLC_MSG_ERR != p_sub->p_msg[i_start].i_type )
 103           //                continue;
 104
 105             /* Append all messages to log window */
 106
 107             if( p_sub->p_msg[i_start].i_type == VLC_MSG_INFO ||
 108                 p_sub->p_msg[i_start].i_type == VLC_MSG_ERR ||
 109                 p_sub->p_msg[i_start].i_type == VLC_MSG_WARN &&
 110                     verbosityBox->value() >= 1 ||
 111                 p_sub->p_msg[i_start].i_type == VLC_MSG_DBG &&
 112                     verbosityBox->value() >= 2 )
 113             {
 114                 messages->setFontItalic(true);
 115                 messages->setTextColor("darkBlue");
 116                 messages->insertPlainText(p_sub->p_msg[i_start].psz_module);
 117             }
 118             else
 119                 continue;
 120
 121             switch( p_sub->p_msg[i_start].i_type )
 122             {
 123                 case VLC_MSG_INFO:
 124                     messages->setTextColor("blue");
 125                     messages->insertPlainText(" info: ");
 126                     break;
 127                 case VLC_MSG_ERR:
 128                     messages->setTextColor("red");
 129                     messages->insertPlainText(" error: ");
 130                     break;
 131                 case VLC_MSG_WARN:
 132                     messages->setTextColor("green");
 133                     messages->insertPlainText(" warning: ");
 134                     break;
 135                 case VLC_MSG_DBG:
 136                 default:
 137                     messages->setTextColor("grey");
 138                     messages->insertPlainText(" debug: ");
 139                     break;
 140             }
 141
 142             /* Add message Regular black Font */
 143             messages->setFontItalic(false);
 144             messages->setTextColor("black");
 145             messages->insertPlainText( qfu(p_sub->p_msg[i_start].psz_msg) );
 146             messages->insertPlainText( "\n" );
 147         }
 148         messages->ensureCursorVisible();
 149
 150         vlc_mutex_lock( p_sub->p_lock );
 151         p_sub->i_start = i_start;
 152         vlc_mutex_unlock( p_sub->p_lock );
 153     }
 154 }
 155
 156 void MessagesDialog::onCloseButton()
 157 {
 158     this->toggleVisible();
 159 }
 160
 161 void MessagesDialog::onClearButton()
 162 {
 163     messages->clear();
 164 }
 165
 166 bool MessagesDialog::onSaveButton()
 167 {
 168     QString saveLogFileName = QFileDialog::getSaveFileName(
 169             this,
 170             "Choose a filename to save the logs under...",
 171             p_intf->p_vlc->psz_homedir,
 172             "Texts / Logs (*.log *.txt);; All (*.*) ");
 173
 174     if (saveLogFileName != NULL)
 175     {
 176         QFile file(saveLogFileName);
 177         if (!file.open(QFile::WriteOnly | QFile::Text)) {
 178             QMessageBox::warning(this, qtr("Application"),
 179                     qtr("Cannot write file %1:\n%2.")
 180                     .arg(saveLogFileName)
 181                     .arg(file.errorString()));
 182             return false;
 183         }
 184
 185         QTextStream out(&file);
 186         out << messages->toPlainText() << "\n";
 187
 188         return true;
 189     }
 190     return false;
 191 }