diff options
| author | Simon Glass <[email protected]> | 2022-10-06 08:36:04 -0600 |
|---|---|---|
| committer | Anatolij Gustschin <[email protected]> | 2022-10-30 09:53:47 +0100 |
| commit | 6b6dc0d2fbf8b036d7ee278071036c7479074b32 (patch) | |
| tree | b333e6f2bb40d90f2ba48686c1b7531e20858398 | |
| parent | a032e4b55ea717fb931dd0d4754cf72b9bafe2f4 (diff) | |
video: Provide a function to set the cursor position
Add an exported function which allows the cursor position to be set to
pixel granularity. Make use of this in the existing code.
Signed-off-by: Simon Glass <[email protected]>
| -rw-r--r-- | drivers/video/vidconsole-uclass.c | 18 | ||||
| -rw-r--r-- | include/video_console.h | 12 |
2 files changed, 25 insertions, 5 deletions
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c index f67027c67be..53263580e3b 100644 --- a/drivers/video/vidconsole-uclass.c +++ b/drivers/video/vidconsole-uclass.c @@ -122,6 +122,15 @@ static char *parsenum(char *s, int *num) return end; } +void vidconsole_set_cursor_pos(struct udevice *dev, int x, int y) +{ + struct vidconsole_priv *priv = dev_get_uclass_priv(dev); + + priv->xcur_frac = VID_TO_POS(x); + priv->xstart_frac = priv->xcur_frac; + priv->ycur = y; +} + /** * set_cursor_position() - set cursor position * @@ -614,12 +623,11 @@ void vidconsole_position_cursor(struct udevice *dev, unsigned col, unsigned row) struct vidconsole_priv *priv = dev_get_uclass_priv(dev); struct udevice *vid_dev = dev->parent; struct video_priv *vid_priv = dev_get_uclass_priv(vid_dev); + short x, y; - col *= priv->x_charsize; - row *= priv->y_charsize; - priv->xcur_frac = VID_TO_POS(min_t(short, col, vid_priv->xsize - 1)); - priv->xstart_frac = priv->xcur_frac; - priv->ycur = min_t(short, row, vid_priv->ysize - 1); + x = min_t(short, col * priv->x_charsize, vid_priv->xsize - 1); + y = min_t(short, row * priv->y_charsize, vid_priv->ysize - 1); + vidconsole_set_cursor_pos(dev, x, y); } static int do_video_setcursor(struct cmd_tbl *cmdtp, int flag, int argc, diff --git a/include/video_console.h b/include/video_console.h index 72edd419191..76c4b10acf6 100644 --- a/include/video_console.h +++ b/include/video_console.h @@ -219,6 +219,18 @@ int vidconsole_put_string(struct udevice *dev, const char *str); void vidconsole_position_cursor(struct udevice *dev, unsigned col, unsigned row); +/** + * vidconsole_set_cursor_pos() - set cursor position + * + * The cursor is set to the new position and the start-of-line information is + * updated to the same position, so that a newline will return to @x + * + * @dev: video console device to update + * @x: x position from left in pixels + * @y: y position from top in pixels + */ +void vidconsole_set_cursor_pos(struct udevice *dev, int x, int y); + #ifdef CONFIG_VIDEO_COPY /** * vidconsole_sync_copy() - Sync back to the copy framebuffer |