From 7d78268f8547add7baaf34bc28f61a41c03a90ee Mon Sep 17 00:00:00 2001
From: Tobias Doerffel <tobias.doerffel@gmail.com>
Date: Sun, 25 Jul 2010 00:33:48 +0200
Subject: [PATCH] ExportProjectDialog: guess file format from extension

If we choose to export an OGG file in the first dialog, it's really
annoying having to select OGG a second time. Therefore guess file
format from extension (backport from master).
---
 src/gui/export_project_dialog.cpp | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/src/gui/export_project_dialog.cpp b/src/gui/export_project_dialog.cpp
index 3db5b6d98..c3804eaa3 100644
--- a/src/gui/export_project_dialog.cpp
+++ b/src/gui/export_project_dialog.cpp
@@ -42,12 +42,34 @@ exportProjectDialog::exportProjectDialog( const QString & _file_name,
 	setWindowTitle( tr( "Export project to %1" ).arg( 
 					QFileInfo( _file_name ).fileName() ) );
 
+	// get the extension of the chosen file
+	QStringList parts = _file_name.split( '.' );
+	QString fileExt;
+	if( parts.size() > 0 )
+	{
+		fileExt = "." + parts[parts.size()-1];
+	}
+
+	int cbIndex = 0;
 	for( int i = 0; i < ProjectRenderer::NumFileFormats; ++i )
 	{
 		if( __fileEncodeDevices[i].m_getDevInst != NULL )
 		{
+			// get the extension of this format
+			QString renderExt = __fileEncodeDevices[i].m_extension;
+
+			// add to combo box
 			fileFormatCB->addItem( ProjectRenderer::tr(
 				__fileEncodeDevices[i].m_description ) );
+
+			// if this is our extension, select it
+			if( QString::compare( renderExt, fileExt,
+									Qt::CaseInsensitive ) == 0 )
+			{
+				fileFormatCB->setCurrentIndex( cbIndex );
+			}
+
+			cbIndex++;
 		}
 	}