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[vlc] / modules / gui / qt4 / dialogs / open.cpp
1 /*****************************************************************************
2  * open.cpp : Advanced open dialog
3  *****************************************************************************
4  * Copyright (C) 2006-2007 the VideoLAN team
5  * $Id: streaminfo.cpp 16816 2006-09-23 20:56:52Z jb $
6  *
7  * Authors: Jean-Baptiste Kempf <jb@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 <QTabWidget>
25 #include <QGridLayout>
26 #include <QFileDialog>
27 #include <QRegExp>
28 #include <QMenu>
29 #include "dialogs/open.hpp"
30 #include "components/open.hpp"
31
32 #include "qt4.hpp"
33 #include "util/qvlcframe.hpp"
34
35 #include "input_manager.hpp"
36
37 OpenDialog *OpenDialog::instance = NULL;
38
39 OpenDialog::OpenDialog( QWidget *parent, intf_thread_t *_p_intf, bool modal,
40                         int _action_flag )  :  QVLCDialog( parent, _p_intf )
41 {
42     setModal( modal );
43     i_action_flag = _action_flag;
44
45     ui.setupUi( this );
46     setWindowTitle( qtr("Open" ) );
47     resize( 500, 300);
48
49     /* Tab definition and creation */
50     fileOpenPanel = new FileOpenPanel( ui.Tab, p_intf );
51     discOpenPanel = new DiscOpenPanel( ui.Tab, p_intf );
52     netOpenPanel = new NetOpenPanel( ui.Tab, p_intf );
53     captureOpenPanel = new CaptureOpenPanel( ui.Tab, p_intf );
54
55     ui.Tab->insertTab( OPEN_FILE_TAB, fileOpenPanel, qtr( "&File" ) );
56     ui.Tab->insertTab( OPEN_DISC_TAB, discOpenPanel, qtr( "&Disc" ) );
57     ui.Tab->insertTab( OPEN_NETWORK_TAB, netOpenPanel, qtr( "&Network" ) );
58     ui.Tab->insertTab( OPEN_CAPTURE_TAB, captureOpenPanel,
59                                 qtr( "Capture &Device" ) );
60
61     /* Hide the advancedPanel */
62     ui.advancedFrame->hide();
63
64     /* Buttons Creation */
65     QSizePolicy buttonSizePolicy( static_cast<QSizePolicy::Policy>(7),
66                                   static_cast<QSizePolicy::Policy>(1) );
67     buttonSizePolicy.setHorizontalStretch(0);
68     buttonSizePolicy.setVerticalStretch(0);
69
70     playButton = new QToolButton( this );
71     playButton->setText( qtr( "&Play" ) );
72     playButton->setSizePolicy( buttonSizePolicy );
73     playButton->setMinimumSize( QSize(90, 0) );
74     playButton->setPopupMode( QToolButton::MenuButtonPopup );
75     playButton->setToolButtonStyle( Qt::ToolButtonTextOnly );
76
77     cancelButton = new QToolButton();
78     cancelButton->setText( qtr( "&Cancel" ) );
79     cancelButton->setSizePolicy( buttonSizePolicy );
80
81     QMenu * openButtonMenu = new QMenu( "Open" );
82     openButtonMenu->addAction( qtr("&Enqueue"), this, SLOT( enqueue() ),
83                                     QKeySequence( "Alt+E") );
84     openButtonMenu->addAction( qtr("&Play"), this, SLOT( play() ),
85                                     QKeySequence( "Alt+P" ) );
86     openButtonMenu->addAction( qtr("&Stream"), this, SLOT( stream() ) ,
87                                     QKeySequence( "Alt+S" ) );
88     openButtonMenu->addAction( qtr("&Convert"), this, SLOT( transcode( ) ) ,
89                                     QKeySequence( "Alt+C" ) );
90
91     playButton->setMenu( openButtonMenu );
92
93     ui.buttonsBox->addButton( playButton, QDialogButtonBox::AcceptRole );
94     ui.buttonsBox->addButton( cancelButton, QDialogButtonBox::RejectRole );
95
96     /* Force MRL update on tab change */
97     CONNECT( ui.Tab, currentChanged(int), this, signalCurrent());
98
99     CONNECT( fileOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
100     CONNECT( netOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
101     CONNECT( discOpenPanel, mrlUpdated( QString ), this, updateMRL(QString) );
102     CONNECT( captureOpenPanel, mrlUpdated( QString ), this,
103                                                          updateMRL(QString) );
104
105     CONNECT( fileOpenPanel, methodChanged( QString ),
106                                                  this, newMethod(QString) );
107     CONNECT( netOpenPanel, methodChanged( QString ),
108                                                  this, newMethod(QString) );
109     CONNECT( discOpenPanel, methodChanged( QString ),
110                                                  this, newMethod(QString) );
111     /* FIXME CAPTURE */
112
113     /* Advanced frame Connects */
114     CONNECT( ui.slaveText, textChanged(QString), this, updateMRL());
115     CONNECT( ui.cacheSpinBox, valueChanged(int), this, updateMRL());
116     CONNECT( ui.startTimeSpinBox, valueChanged(int), this, updateMRL());
117     BUTTONACT( ui.advancedCheckBox , toggleAdvancedPanel() );
118
119     /* Buttons action */
120     BUTTONACT( playButton, play());
121     BUTTONACT( cancelButton, cancel());
122
123     /* At creation time, modify the default buttons */
124     if ( i_action_flag ) setMenuAction();
125
126
127     /* Initialize caching */
128     storedMethod = "";
129     newMethod("file-caching");
130
131     mainHeight = advHeight = 0;
132 }
133
134 OpenDialog::~OpenDialog()
135 {
136 }
137
138 /* Finish the dialog and decide if you open another one after */
139 void OpenDialog::setMenuAction()
140 {
141     switch ( i_action_flag )
142     {
143         case OPEN_AND_STREAM:
144             playButton->setText( qtr("&Stream") );
145             BUTTONACT( playButton, stream() );
146             break;
147         case OPEN_AND_SAVE:
148             playButton->setText( qtr("&Convert / Save") );
149             BUTTONACT( playButton, stream( true ) );
150             break;
151         case OPEN_AND_PLAY:
152         default:
153             playButton->setText( qtr("&Play") );
154             BUTTONACT( playButton, play() );
155    }
156 }
157
158 void OpenDialog::showTab(int i_tab=0)
159 {
160     this->show();
161     ui.Tab->setCurrentIndex(i_tab);
162 }
163
164 void OpenDialog::signalCurrent() {
165     if (ui.Tab->currentWidget() != NULL) {
166         (dynamic_cast<OpenPanel*>(ui.Tab->currentWidget()))->updateMRL();
167     }
168 }
169
170 /***********
171  * Actions *
172  ***********/
173
174 /* If Cancel is pressed or escaped */
175 void OpenDialog::cancel()
176 {
177     fileOpenPanel->clear();
178     this->toggleVisible();
179     if( isModal() )
180         reject();
181 }
182
183 /* If EnterKey is pressed */
184 void OpenDialog::close()
185 {
186     /* FIXME */
187     if ( !i_action_flag )
188     {
189         play();
190     }
191     else
192     {
193         stream();
194     }
195 }
196
197 /* Play button */
198 void OpenDialog::play()
199 {
200     finish( false );
201 }
202
203 void OpenDialog::enqueue()
204 {
205     finish( true );
206 }
207
208 void OpenDialog::transcode()
209 {
210     stream( true );
211 }
212
213 void OpenDialog::stream( bool b_transcode_only )
214 {
215     /* not finished FIXME */
216     /* Should go through the finish function */
217     THEDP->streamingDialog( mrl, b_transcode_only );
218 }
219
220 void OpenDialog::finish( bool b_enqueue = false )
221 {
222     this->toggleVisible();
223     mrl = ui.advancedLineInput->text();
224
225     if( !isModal() )
226     {
227         QStringList tempMRL = SeparateEntries( mrl );
228         for( size_t i = 0; i < tempMRL.size(); i++ )
229         {
230             bool b_start = !i && !b_enqueue;
231             input_item_t *p_input;
232             const char *psz_utf8 = qtu( tempMRL[i] );
233
234             p_input = input_ItemNew( p_intf, psz_utf8, NULL );
235
236             /* Insert options */
237             while( i + 1 < tempMRL.size() && tempMRL[i + 1].startsWith( ":" ) )
238             {
239                 i++;
240                 psz_utf8 = qtu( tempMRL[i] );
241                 input_ItemAddOption( p_input, psz_utf8 );
242             }
243
244             if( b_start )
245             {
246                 playlist_AddInput( THEPL, p_input,
247                                    PLAYLIST_APPEND | PLAYLIST_GO,
248                                    PLAYLIST_END, VLC_TRUE, VLC_FALSE );
249             }
250             else
251             {
252                 playlist_AddInput( THEPL, p_input,
253                                    PLAYLIST_APPEND|PLAYLIST_PREPARSE,
254                                    PLAYLIST_END, VLC_TRUE, VLC_FALSE );
255             }
256         }
257     }
258     else
259         accept();
260 }
261
262 void OpenDialog::toggleAdvancedPanel()
263 {
264     //FIXME does not work under Windows
265     if (ui.advancedFrame->isVisible()) {
266         ui.advancedFrame->hide();
267         setMinimumHeight(1);
268         resize( width(), mainHeight );
269
270     } else {
271         if( mainHeight == 0 )
272             mainHeight = height();
273
274         ui.advancedFrame->show();
275         if( advHeight == 0 ) {
276             advHeight = height() - mainHeight;
277         }
278         resize( width(), mainHeight + advHeight );
279     }
280 }
281
282 void OpenDialog::updateMRL() {
283     mrl = mainMRL;
284     if( ui.slaveCheckbox->isChecked() ) {
285         mrl += " :input-slave=" + ui.slaveText->text();
286     }
287     int i_cache = config_GetInt( p_intf, qta(storedMethod) );
288     if( i_cache != ui.cacheSpinBox->value() ) {
289         mrl += QString(" :%1=%2").arg(storedMethod).
290                                   arg(ui.cacheSpinBox->value());
291     }
292     if( ui.startTimeSpinBox->value()) {
293         mrl += " :start-time=" + QString("%1").
294             arg(ui.startTimeSpinBox->value());
295     }
296     ui.advancedLineInput->setText(mrl);
297 }
298
299 void OpenDialog::updateMRL(QString tempMRL)
300 {
301     mainMRL = tempMRL;
302     updateMRL();
303 }
304
305 void OpenDialog::newMethod(QString method)
306 {
307     if( method != storedMethod ) {
308         storedMethod = method;
309         int i_value = config_GetInt( p_intf, qta(storedMethod) );
310         ui.cacheSpinBox->setValue(i_value);
311     }
312 }
313
314 QStringList OpenDialog::SeparateEntries( QString entries )
315 {
316     bool b_quotes_mode = false;
317
318     QStringList entries_array;
319     QString entry;
320
321     int index = 0;
322     while( index < entries.size() )
323     {
324         int delim_pos = entries.indexOf( QRegExp( "\\s+|\"" ), index );
325         if( delim_pos < 0 ) delim_pos = entries.size() - 1;
326         entry += entries.mid( index, delim_pos - index + 1 );
327         index = delim_pos + 1;
328
329         if( entry.isEmpty() ) continue;
330
331         if( !b_quotes_mode && entry.endsWith( "\"" ) )
332         {
333             /* Enters quotes mode */
334             entry.truncate( entry.size() - 1 );
335             b_quotes_mode = true;
336         }
337         else if( b_quotes_mode && entry.endsWith( "\"" ) )
338         {
339             /* Finished the quotes mode */
340             entry.truncate( entry.size() - 1 );
341             b_quotes_mode = false;
342         }
343         else if( !b_quotes_mode && !entry.endsWith( "\"" ) )
344         {
345             /* we found a non-quoted standalone string */
346             if( index < entries.size() ||
347                 entry.endsWith( " " ) || entry.endsWith( "\t" ) ||
348                 entry.endsWith( "\r" ) || entry.endsWith( "\n" ) )
349                 entry.truncate( entry.size() - 1 );
350             if( !entry.isEmpty() ) entries_array.append( entry );
351             entry.clear();
352         }
353         else
354         {;}
355     }
356
357     if( !entry.isEmpty() ) entries_array.append( entry );
358
359     return entries_array;
360 }