From c106872dd21b8b229941a942f6a5e2d4a5b7b575 Mon Sep 17 00:00:00 2001
From: Joursoir <chat@joursoir.net>
Date: Wed, 1 Dec 2021 19:31:29 +0300
Subject: tbi/win: support echoing input chars

---
 Library/UefiShellUfmCommandLib/tbi/win.c |  8 ++++++++
 Library/UefiShellUfmCommandLib/tbi/win.h | 12 ++++++++++++
 2 files changed, 20 insertions(+)

(limited to 'Library/UefiShellUfmCommandLib')

diff --git a/Library/UefiShellUfmCommandLib/tbi/win.c b/Library/UefiShellUfmCommandLib/tbi/win.c
index 1496808..55171da 100644
--- a/Library/UefiShellUfmCommandLib/tbi/win.c
+++ b/Library/UefiShellUfmCommandLib/tbi/win.c
@@ -58,6 +58,7 @@ struct window *newwin(struct screen *s,
 	win->width = ncols;
 	win->height = nlines;
 	win->cur_attr = s->attr;
+	win->echo = FALSE;
 
 	for(y = 0; y < nlines; y++) {
 		win->text[y] = AllocatePool((ncols + 1) * sizeof(CHAR16));
@@ -114,6 +115,13 @@ VOID wattroff(struct window *w)
 	w->cur_attr = w->scr->attr;
 }
 
+VOID echo(struct window *w, BOOLEAN state)
+{
+	ASSERT(w != NULL);
+
+	w->echo = state;
+}
+
 BOOLEAN wmove(struct window *w, INT32 x, INT32 y)
 {
 	ASSERT(w != NULL);
diff --git a/Library/UefiShellUfmCommandLib/tbi/win.h b/Library/UefiShellUfmCommandLib/tbi/win.h
index 76be2d8..02822d4 100644
--- a/Library/UefiShellUfmCommandLib/tbi/win.h
+++ b/Library/UefiShellUfmCommandLib/tbi/win.h
@@ -29,6 +29,7 @@ struct window {
 	INT32 **attr;
 
 	INT32 cur_attr;
+	BOOLEAN echo;
 };
 
 /*
@@ -74,6 +75,17 @@ VOID wattrset(struct window *w, INT32 attr);
 */
 VOID wattroff(struct window *w);
 
+/*
+ * Changes the echo state. Echoing is disabled by default.
+ *
+ * w: the window on which to operate
+ * state: TRUE if the echo should be activated. FALSE if the
+ *        echo should be disabled
+ *
+ * return: VOID
+*/
+VOID echo(struct window *w, BOOLEAN state);
+
 /*
  * Moves cursor position to specified coordinates
  *
-- 
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