From edb1fae2ab8904c42580aeed2b08b9a05ece55e4 Mon Sep 17 00:00:00 2001
From: Tim Culverhouse <tim@timculverhouse.com>
Date: Mon, 29 Jan 2024 07:00:34 -0600
Subject: [PATCH] textinput: add more readline bindings

Signed-off-by: Tim Culverhouse <tim@timculverhouse.com>
---
 src/widgets/TextInput.zig | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/widgets/TextInput.zig b/src/widgets/TextInput.zig
index f21b371..c2b7077 100644
--- a/src/widgets/TextInput.zig
+++ b/src/widgets/TextInput.zig
@@ -38,19 +38,30 @@ pub fn update(self: *TextInput, event: Event) !void {
             if (key.matches(Key.backspace, .{})) {
                 if (self.cursor_idx == 0) return;
                 self.deleteBeforeCursor();
-            } else if (key.matches(Key.delete, .{})) {
+            } else if (key.matches(Key.delete, .{}) or key.matches('d', .{ .ctrl = true })) {
                 if (self.cursor_idx == self.grapheme_count) return;
                 self.deleteAtCursor();
-            } else if (key.matches(Key.left, .{})) {
+            } else if (key.matches(Key.left, .{}) or key.matches('b', .{ .ctrl = true })) {
                 if (self.cursor_idx > 0) self.cursor_idx -= 1;
-            } else if (key.matches(Key.right, .{})) {
+            } else if (key.matches(Key.right, .{}) or key.matches('f', .{ .ctrl = true })) {
                 if (self.cursor_idx < self.grapheme_count) self.cursor_idx += 1;
+            } else if (key.matches('a', .{ .ctrl = true })) {
+                self.cursor_idx = 0;
+            } else if (key.matches('e', .{ .ctrl = true })) {
+                self.cursor_idx = self.grapheme_count;
+            } else if (key.matches('k', .{ .ctrl = true })) {
+                while (self.cursor_idx < self.grapheme_count) {
+                    self.deleteAtCursor();
+                }
+            } else if (key.matches('u', .{ .ctrl = true })) {
+                while (self.cursor_idx > 0) {
+                    self.deleteBeforeCursor();
+                }
             } else if (key.text) |text| {
                 try self.buf.insertSlice(self.byteOffsetToCursor(), text);
                 self.cursor_idx += 1;
                 self.grapheme_count += 1;
             }
-            // TODO: readline bindings
         },
     }
 }