Hide/show cursor

1 files changed, 14 insertions, 1 deletions

diff --git a/libui/libui.ha b/libui/libui.ha
index 7e40a9d..b0d0ea3 100644
--- a/libui/libui.ha
+++ b/libui/libui.ha
@@ -37,11 +37,21 @@ export fn init() ttyui = {
 	tty::makeraw(&term)!;
 	tty::noecho(&term)!;
 
-	return ttyui {
+	let ui = ttyui {
 		term = term,
 		f = f,
 		listeners = [],
 	};
+	hidecursor(ui);
+	return ui;
+};
+
+export fn hidecursor(ui: ttyui) void = {
+	print(ui, "\x1B[?25l");
+};
+
+export fn showcursor(ui: ttyui) void = {
+	print(ui, "\x1B[?25h");
 };
 
 // Returns the window size for the given ttyui.
@@ -51,6 +61,7 @@ export fn getwinsize(ui: ttyui) (tty::ttysize | tty::error) = {
 
 // Suspend the UI. To restore it, use [[resume]].
 export fn suspend(ui: *ttyui) void = {
+	showcursor(*ui);
 	tty::termios_restore(&ui.term);
 };
 
@@ -58,11 +69,13 @@ export fn suspend(ui: *ttyui) void = {
 export fn resume(ui: *ttyui) void = {
 	tty::makeraw(&ui.term)!;
 	tty::noecho(&ui.term)!;
+	hidecursor(*ui);
 };
 
 // Restores the UI state and closes and frees the resources associated with the
 // given ttyui.
 export fn finish(ui: *ttyui) void = {
+	showcursor(*ui);
 	tty::termios_restore(&ui.term);
 	io::close(ui.f)!;
 	free(ui.listeners);