diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/video_console.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/video_console.h b/include/video_console.h index 36c4e13812..26047934da 100644 --- a/include/video_console.h +++ b/include/video_console.h @@ -101,6 +101,20 @@ struct vidconsole_ops { * positions. */ int (*entry_start)(struct udevice *dev); + + /** + * backspace() - Handle erasing the last character + * + * With proportional fonts the vidconsole uclass cannot itself erase + * the previous character. This optional method will be called when + * a backspace is needed. The driver should erase the previous + * character and update the cursor position (xcur_frac, ycur) to the + * start of the previous character. + * + * If not implement, default behaviour will work for fixed-width + * characters. + */ + int (*backspace)(struct udevice *dev); }; /* Get a pointer to the driver operations for a video console device */ |