improved progress information when rendering at console

git-svn-id: https://lmms.svn.sf.net/svnroot/lmms/trunk/lmms@1442 0778d3d1-df1d-0410-868b-ea421aaaa00d

ChangeLog

@@ -1,3 +1,9 @@
+2008-08-19	Tobias Doerffel	<tobydox/at/users/dot/sourceforge/dot/net>
+
+	* src/core/main.cpp:
+	* src/core/project_renderer.cpp:
+	improved progress information when rendering at console
+
 2008-08-18	Paul Giblock <drfaygo/at/gmail/dot/com>
 
 	* include/controller.h:

src/core/main.cpp

@@ -432,7 +432,7 @@ int main( int argc, char * * argv )
 			QTimer * t = new QTimer( r );
 			r->connect( t, SIGNAL( timeout() ),
 					SLOT( updateConsoleProgress() ) );
-			t->start( 50 );
+			t->start( 200 );
 
 			// start now!
 			r->startProcessing();

src/core/project_renderer.cpp

@@ -186,21 +186,23 @@ void projectRenderer::updateConsoleProgress( void )
 {
 	const int cols = 50;
 	static int rot = 0;
+	char buf[80];
+	char prog[cols+1];
 
-	printf("\r|");
 	for( int i = 0; i < cols; ++i )
 	{
-		printf( "%c",( i*100/cols <= m_progress ? '-' : ' ' ));
+		prog[i] = ( i*100/cols <= m_progress ? '-' : ' ' );
 	}
-	printf( "|    %3d%%   ", m_progress );
-	switch( rot )
-	{
-		case 3: putchar( '|' ); break;
-		case 2: putchar( '/' ); break;
-		case 1: putchar( '-' ); break;
-		case 0: putchar( '\\' ); break;
-	}
-	rot = ++rot % 4;
+	prog[cols] = 0;
+
+	const char * activity = (const char *) "|/-\\";
+	memset( buf, 0, sizeof( buf ) );
+	sprintf( buf, "\r|%s|    %3d%%   %c  ", prog, m_progress,
+							activity[rot] );
+	rot = ( rot+1 ) % 4;
+
+	fprintf( stderr, "%s", buf );
+	fflush( stderr );
 }