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Save and restore cursor

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This commit is contained in:
Keith Winstein
2011-01-31 23:30:16 -05:00
parent ad29a350d6
commit a33d4f9b40
3 changed files with 60 additions and 1 deletions
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terminalframebuffer.cpp
+29 -1
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@@ -63,7 +63,7 @@ DrawState::DrawState( int s_width, int s_height )
cursor_col( 0 ), cursor_row( 0 ),
combining_char_col( 0 ), combining_char_row( 0 ), tabs( s_width ),
scrolling_region_top_row( 0 ), scrolling_region_bottom_row( height - 1 ),
renditions(),
renditions(), save(),
next_print_will_wrap( false ), origin_mode( false ), auto_wrap_mode( true )
{
for ( int i = 0; i < width; i++ ) {
@@ -270,3 +270,31 @@ void Framebuffer::apply_renditions_to_current_cell( void )
this_cell->renditions = ds.get_renditions();
}
SavedCursor::SavedCursor()
: cursor_col( 0 ), cursor_row( 0 ),
renditions(),
auto_wrap_mode( true ),
origin_mode( false )
{}
void DrawState::save_cursor( void )
{
save.cursor_col = cursor_col;
save.cursor_row = cursor_row;
save.renditions = renditions;
save.auto_wrap_mode = auto_wrap_mode;
save.origin_mode = origin_mode;
}
void DrawState::restore_cursor( void )
{
cursor_col = save.cursor_col;
cursor_row = save.cursor_row;
renditions = save.renditions;
auto_wrap_mode = save.auto_wrap_mode;
origin_mode = save.origin_mode;
snap_cursor_to_border();
new_grapheme();
}