Add filter feature

2 files changed, 27 insertions, 0 deletions

diff --git a/handlers.ha b/handlers.ha
index 2e7609f..e5140bb 100644
--- a/handlers.ha
+++ b/handlers.ha
@@ -114,6 +114,32 @@ fn runehandler(l: *widget::widget, r: libtui::key) bool = {
 		let c = l.cursor;
 		list::search(l, searchterm);
 		libtui::resume(&l.widget.ui);
+	case 'f' =>
+		//filter
+		libtui::suspend(&l.widget.ui);
+		fmt::fprint(l.widget.ui.f, "f: ")!;
+		let line = match (bufio::scanline(l.widget.ui.f)) {
+		case let s: []u8 =>
+			yield s;
+		case io::EOF =>
+			fmt::fprintln(os::stderr, "EOF")!;
+			return true;
+		case let e: io::error =>
+			fmt::fprintln(os::stderr, io::strerror(e))!;
+			return true;
+		};
+		defer free(line);
+		strings::freeall(itemscopy);
+		itemscopy = strings::dupall(l.items);
+		let newitems: []str = [];
+		defer strings::freeall(newitems);
+		for (let i = 0z; i < len(l.items); i += 1) {
+			if (strings::contains(l.items[i], strings::fromutf8(line))) {
+				append(newitems, l.items[i]);
+			};
+		};
+		list::setitems(l, newitems...);
+		libtui::resume(&l.widget.ui);
 	case 'o' =>
 		// order
 		sort::strings(l.items);
diff --git a/main.ha b/main.ha
index 3ef6b3c..c6403e2 100644
--- a/main.ha
+++ b/main.ha
@@ -158,4 +158,5 @@ export fn main() void = {
 
 @fini fn finish() void = {
 	free(searchterm);
+	strings::freeall(itemscopy);
 };