Some cleanup here and there
[vlc.git] / 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, clicked(), this, close() );
68     CONNECT( clearButton, clicked(), this, clear() );
69     CONNECT( saveLogButton, clicked(), this, save() );
70     CONNECT( THEDP->fixed_timer, timeout(), this, updateLog() );
71 }
72
73 MessagesDialog::~MessagesDialog()
74 {
75 }
76
77 void MessagesDialog::updateLog()
78 {
79     msg_subscription_t *p_sub = p_intf->p_sys->p_sub;
80     int i_start;
81
82     vlc_mutex_lock( p_sub->p_lock );
83     int i_stop = *p_sub->pi_stop;
84     vlc_mutex_unlock( p_sub->p_lock );
85
86     messages->textCursor().movePosition( QTextCursor::End );
87     if( p_sub->i_start != i_stop )
88     {
89         for( i_start = p_sub->i_start;
90                 i_start != i_stop;
91                 i_start = (i_start+1) % VLC_MSG_QSIZE )
92         {
93           // [FIXME] Does not work as the old one
94           // Outputs too much data ?
95           // if (p_sub->p_msg[i_start].i_type = VLC_MSG_ERR)
96           //          continue;
97           //  if( !b_verbose &&
98           //         VLC_MSG_ERR != p_sub->p_msg[i_start].i_type )
99           //                continue;
100
101             /* Append all messages to log window */
102
103             if( p_sub->p_msg[i_start].i_type == VLC_MSG_INFO ||
104                 p_sub->p_msg[i_start].i_type == VLC_MSG_ERR ||
105                 p_sub->p_msg[i_start].i_type == VLC_MSG_WARN &&
106                     verbosityBox->value() >= 1 ||
107                 p_sub->p_msg[i_start].i_type == VLC_MSG_DBG &&
108                     verbosityBox->value() >= 2 )
109             {
110                 messages->setFontItalic(true);
111                 messages->setTextColor("darkBlue");
112                 messages->insertPlainText(p_sub->p_msg[i_start].psz_module);
113             }
114             else
115                 continue;
116
117             switch( p_sub->p_msg[i_start].i_type )
118             {
119                 case VLC_MSG_INFO:
120                     messages->setTextColor("blue");
121                     messages->insertPlainText(" info: ");
122                     break;
123                 case VLC_MSG_ERR:
124                     messages->setTextColor("red");
125                     messages->insertPlainText(" error: ");
126                     break;
127                 case VLC_MSG_WARN:
128                     messages->setTextColor("green");
129                     messages->insertPlainText(" warning: ");
130                     break;
131                 case VLC_MSG_DBG:
132                 default:
133                     messages->setTextColor("grey");
134                     messages->insertPlainText(" debug: ");
135                     break;
136             }
137
138             /* Add message Regular black Font */
139             messages->setFontItalic(false);
140             messages->setTextColor("black");
141             messages->insertPlainText( qfu(p_sub->p_msg[i_start].psz_msg) );
142             messages->insertPlainText( "\n" );
143         }
144         messages->ensureCursorVisible();
145
146         vlc_mutex_lock( p_sub->p_lock );
147         p_sub->i_start = i_start;
148         vlc_mutex_unlock( p_sub->p_lock );
149     }
150 }
151
152 void MessagesDialog::close()
153 {
154     this->toggleVisible();
155 }
156
157 void MessagesDialog::clear()
158 {
159     messages->clear();
160 }
161
162 bool MessagesDialog::save()
163 {
164     QString saveLogFileName = QFileDialog::getSaveFileName(
165             this, qtr("Choose a filename to save the logs under..."),
166             p_intf->p_vlc->psz_homedir,
167             "Texts / Logs (*.log *.txt);; All (*.*) ");
168
169     if( saveLogFileName != NULL )
170     {
171         QFile file(saveLogFileName);
172         if (!file.open(QFile::WriteOnly | QFile::Text)) {
173             QMessageBox::warning(this, qtr("Application"),
174                     qtr("Cannot write file %1:\n%2.")
175                     .arg(saveLogFileName)
176                     .arg(file.errorString()));
177             return false;
178         }
179
180         QTextStream out(&file);
181         out << messages->toPlainText() << "\n";
182
183         return true;
184     }
185     return false;
186 }