X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fmainsession.C;h=e40f343efbc16adc8a414a8c559a971442186c82;hp=f1b1974e05f2537fb3bc00d7799e0c29b3df968b;hb=3932d2c16e903573db3cacdb3102dea9639c6ca4;hpb=8c74789f8c257afa7c356156049eaf9047991a0b

diff --git a/cinelerra-5.1/cinelerra/mainsession.C b/cinelerra-5.1/cinelerra/mainsession.C
index f1b1974e..e40f343e 100644
--- a/cinelerra-5.1/cinelerra/mainsession.C
+++ b/cinelerra-5.1/cinelerra/mainsession.C
@@ -201,9 +201,42 @@ void MainSession::default_window_positions(int window_config)
 	int border_bottom = display_info.get_bottom_border();
 
 	int dual_head = screens > 1 ? 1 : 0;
-	int right_w = root_w;
+	int left_w = 0, right_w = root_w;
+	int xin_screens = display_info.get_xinerama_screens();
+	if( xin_screens > 1 ) {
+		dual_head = 1;
+		int x, y, w, h;
+		for( int s=0; s<xin_screens; ++s ) {
+			if( display_info.xinerama_geometry(s, x, y, w, h) )
+				continue;
+			if( !y && !x ) {
+				left_w = w;
+				break;
+			}
+		}
+		if( left_w > 0 ) {
+			for( int s=0; s<xin_screens; ++s ) {
+				if( display_info.xinerama_geometry(s, x, y, w, h) )
+					continue;
+				if( !y && x == left_w ) {
+					right_w = w;
+					screens = 2;
+					break;
+				}
+			}
+			if( window_config == 1 ) {
+				root_x = left_w;
+				root_w = right_w;
+			}
+			else {
+			// use same aspect ratio to compute left height
+				root_w = left_w;
+				root_h = (root_w*root_h) / right_w;
+			}
+		}
+	}
 // Wider than 16:9, narrower than dual head
-	if( screens < 2 && (float)root_w / root_h > 1.8) {
+	if( screens < 2 && (float)root_w / root_h > 1.8 ) {
 		dual_head = 1;
 		switch( root_h ) {
 		case 600:  right_w = 800;   break;