From d3951da8656c9ff9a6547aea687b71a98e66cec1 Mon Sep 17 00:00:00 2001 From: David Herrmann Date: Sun, 5 Feb 2012 15:14:45 +0100 Subject: [PATCH] console: add helper to erase current position This helper erases the current cursor position. Signed-off-by: David Herrmann --- src/console.c | 16 ++++++++++++++++ src/console.h | 1 + 2 files changed, 17 insertions(+) diff --git a/src/console.c b/src/console.c index 3209986..dccba24 100644 --- a/src/console.c +++ b/src/console.c @@ -422,6 +422,22 @@ void kmscon_console_move_line_home(struct kmscon_console *con) con->cursor_x = 0; } +void kmscon_console_erase_cursor(struct kmscon_console *con) +{ + unsigned int x; + + if (!con) + return; + + if (con->cursor_x >= con->cells_x) + x = con->cells_x - 1; + else + x = con->cursor_x; + + kmscon_buffer_erase_region(con->cells, x, con->cursor_y, + x, con->cursor_y); +} + void kmscon_console_erase_cursor_to_end(struct kmscon_console *con) { unsigned int x; diff --git a/src/console.h b/src/console.h index 54d7936..17e6af4 100644 --- a/src/console.h +++ b/src/console.h @@ -101,6 +101,7 @@ void kmscon_console_move_left(struct kmscon_console *con, unsigned int num); void kmscon_console_move_right(struct kmscon_console *con, unsigned int num); void kmscon_console_move_line_end(struct kmscon_console *con); void kmscon_console_move_line_home(struct kmscon_console *con); +void kmscon_console_erase_cursor(struct kmscon_console *con); void kmscon_console_erase_cursor_to_end(struct kmscon_console *con); void kmscon_console_erase_home_to_cursor(struct kmscon_console *con); void kmscon_console_erase_current_line(struct kmscon_console *con); -- 2.7.4