Qt: first step to fix directory remembering.

(cherry picked from commit 5f621072)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/components/open_panels.cpp

@@ -170,6 +170,7 @@ void FileOpenPanel::browseFile()
             new QListWidgetItem( toNativeSeparators( file ), ui.fileListWidg );
         item->setFlags( Qt::ItemIsEditable | Qt::ItemIsEnabled );
         ui.fileListWidg->addItem( item );
+        savedirpathFromFile( file );
     }
     updateMRL();
 }

modules/gui/qt4/dialogs_provider.cpp

@@ -301,6 +301,7 @@ void DialogsProvider::openFileGenericDialog( intf_dialog_args_t *p_arg )
         i = 0;
         foreach( const QString &file, files )
             p_arg->psz_results[i++] = strdup( qtu( toNativeSepNoSlash( file ) ) );
+        p_intf->p_sys->filepath = qfu( p_arg->psz_results[i] );
     }
 
     /* Callback */

modules/gui/qt4/qt4.cpp

@@ -501,8 +501,9 @@ static void *Thread( void *obj )
 
 
     /* Save the path */
-    config_PutPsz( p_intf, "qt-filedialog-path",
+    config_PutPsz( p_intf->p_libvlc, "qt-filedialog-path",
                    qtu( p_intf->p_sys->filepath ) );
+    msg_Dbg( p_intf, "%s", qtu( p_intf->p_sys->filepath ) );
 
     /* Delete the application automatically */
 #ifdef Q_WS_X11

modules/gui/qt4/util/qt_dirs.hpp

@@ -45,6 +45,7 @@ static inline QString removeTrailingSlash( QString s )
     return s;
 }
 
+#define savedirpathFromFile( a ) p_intf->p_sys->filepath = QFileInfo( a ).path()
 #define toNativeSepNoSlash( a ) toNativeSeparators( removeTrailingSlash( a ) )
 
 static inline QString colon_escape( QString s )