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Do not move cursor for SCROLL UP and SCROLL DOWN

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This fixes #881, corrupted display of man pages with tables in tmux
2.4.
This commit is contained in:
John Hood
2017-05-05 23:28:34 -04:00
parent df4dbe0d6c
commit 72199ffc0b
1 changed files with 7 additions and 6 deletions
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src/terminal/terminalframebuffer.cc
+7 -6
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@@ -119,11 +119,8 @@ void Framebuffer::scroll( int N )
{ {
if ( N >= 0 ) { if ( N >= 0 ) {
delete_line( ds.get_scrolling_region_top_row(), N ); delete_line( ds.get_scrolling_region_top_row(), N );
ds.move_row( -N, true );
} else { } else {
N = -N; insert_line( ds.get_scrolling_region_top_row(), -N );
insert_line( ds.get_scrolling_region_top_row(), N );
ds.move_row( N, true );
} }
} }
@@ -187,9 +184,13 @@ void Framebuffer::move_rows_autoscroll( int rows )
} }
if ( ds.get_cursor_row() + rows > ds.get_scrolling_region_bottom_row() ) { if ( ds.get_cursor_row() + rows > ds.get_scrolling_region_bottom_row() ) {
scroll( ds.get_cursor_row() + rows - ds.get_scrolling_region_bottom_row() ); int N = ds.get_cursor_row() + rows - ds.get_scrolling_region_bottom_row();
scroll( N );
ds.move_row( -N, true );
} else if ( ds.get_cursor_row() + rows < ds.get_scrolling_region_top_row() ) { } else if ( ds.get_cursor_row() + rows < ds.get_scrolling_region_top_row() ) {
scroll( ds.get_cursor_row() + rows - ds.get_scrolling_region_top_row() ); int N = ds.get_cursor_row() + rows - ds.get_scrolling_region_top_row();
scroll( N );
ds.move_row( -N, true );
} }
ds.move_row( rows, true ); ds.move_row( rows, true );