From 1e5560cc093a0b2486a2221ad3615024401bb16f Mon Sep 17 00:00:00 2001
From: Tim Culverhouse <tim@timculverhouse.com>
Date: Tue, 12 Mar 2024 07:35:35 -0500
Subject: [PATCH] textinput: add clear methods

Add clear methods to reset the underlying GapBuffer and reset cursor
positions

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
---
 src/widgets/TextInput.zig | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/widgets/TextInput.zig b/src/widgets/TextInput.zig
index 6e7f250..30e32a8 100644
--- a/src/widgets/TextInput.zig
+++ b/src/widgets/TextInput.zig
@@ -97,6 +97,18 @@ pub fn draw(self: *TextInput, win: Window) void {
     win.showCursor(cursor_idx, 0);
 }
 
+pub fn clearAndFree(self: *TextInput) void {
+    self.buf.clearAndFree();
+    self.cursor_idx = 0;
+    self.grapheme_count = 0;
+}
+
+pub fn clearRetainingCapacity(self: *TextInput) void {
+    self.buf.clearRetainingCapacity();
+    self.cursor_idx = 0;
+    self.grapheme_count = 0;
+}
+
 // returns the number of bytes before the cursor
 // (since GapBuffers are strictly speaking not contiguous, this is a number in 0..realLength()
 // which would need to be fed to realIndex() to get an actual offset into self.buf.items.ptr)