diff options
| -rw-r--r-- | Library/UefiShellUfmCommandLib/panel.c | 27 | ||||
| -rw-r--r-- | Library/UefiShellUfmCommandLib/panel.h | 10 |
2 files changed, 37 insertions, 0 deletions
diff --git a/Library/UefiShellUfmCommandLib/panel.c b/Library/UefiShellUfmCommandLib/panel.c index cc33aee..c8d3565 100644 --- a/Library/UefiShellUfmCommandLib/panel.c +++ b/Library/UefiShellUfmCommandLib/panel.c @@ -278,3 +278,30 @@ VOID panel_release(struct panel_ctx *p) FreePool(p); } +BOOLEAN panel_move_cursor(struct panel_ctx *p, UINTN line) +{ + UINTN oldline = p->curline; + UINTN maxlen = (p->cwd) ? p->dirs->len : p->fsa->len; + + if(line < 1 || line > maxlen) + return FALSE; + + if(line < p->start_entry || line >= (p->start_entry + p->list_lines) || + p->start_entry == 0) + { + p->start_entry = line - ((line-1) % p->list_lines); + + if(!p->cwd) + display_fs(p, p->start_entry); + else + display_files(p, p->start_entry); + } + else + UNHIGHLIGHT_LINE_AS_CURRENT(p, oldline); + + p->curline = line; + update_file_info(p); + HIGHLIGHT_LINE_AS_CURRENT(p, p->curline); + return TRUE; +} + diff --git a/Library/UefiShellUfmCommandLib/panel.h b/Library/UefiShellUfmCommandLib/panel.h index 2706dd6..1d71258 100644 --- a/Library/UefiShellUfmCommandLib/panel.h +++ b/Library/UefiShellUfmCommandLib/panel.h @@ -50,4 +50,14 @@ struct panel_ctx *panel_alloc(struct screen *scr, CONST CHAR16 *path, */ VOID panel_release(struct panel_ctx *p); +/* + * Moves cursor position to specified line + * + * p: the panel on which to operate + * line: the line coordinate (starts from 1) + * + * return: FALSE upon failure and TRUE upon successful completion +*/ +BOOLEAN panel_move_cursor(struct panel_ctx *p, UINTN line); + #endif /* UFM_PANEL_H */ |