From d01e06fbc0addd0510aaf5fa5fed5c804b37b2f7 Mon Sep 17 00:00:00 2001
From: korin <voluminum1@gmail.com>
Date: Sun, 21 May 2023 08:56:28 -0400
Subject: [PATCH] idk

---
 TODO.org     |  1 +
 src/input.rs | 14 +++++++++++++-
 src/main.rs  |  9 ++++++++-
 3 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/TODO.org b/TODO.org
index 4b1a245..b93ccdf 100644
--- a/TODO.org
+++ b/TODO.org
@@ -10,6 +10,7 @@
   * [X] Start to end of document
   * [ ] Confine to line unless CTRL is pressed
 - [ ] Mouse input
+- [ ] [[./src/main.rs::ConfigurableInput][Make keyboard input configurable instead of hardcoded]]
 
 * Editing [2/7]
 - [X] Type text
diff --git a/src/input.rs b/src/input.rs
index 4149b05..ce48777 100644
--- a/src/input.rs
+++ b/src/input.rs
@@ -16,6 +16,8 @@ mod keybinds {
         Redo,
         NewLines,
         DeleteLines,
+        TabForward,
+        TabBackward,
     }
 
     pub(super) enum Movement {
@@ -61,6 +63,17 @@ impl ModifierKeys {
     }
 }
 
+pub fn tab(buffer: &mut String, cursor_position: &mut usize, modifiers: &ModifierKeys) {
+    if modifiers.shift {
+        println!("unimplemented back-tab");
+    } else {
+        // for _ in 0..4 {
+        buffer.insert_str(*cursor_position, "    ");
+        *cursor_position += 4;
+        // }
+    }
+}
+
 pub fn backspace(buffer: &mut String, cursor_position: &mut usize, modifiers: &ModifierKeys) {
     if modifiers.ctrl {
         // Word backspace
@@ -73,7 +86,6 @@ pub fn backspace(buffer: &mut String, cursor_position: &mut usize, modifiers: &M
             *cursor_position -= 1;
             buffer.remove(*cursor_position);
         }
-        // i shouldn't have to do this
         *cursor_position -= 1;
         buffer.remove(*cursor_position);
     } else {
diff --git a/src/main.rs b/src/main.rs
index 3aa6a69..8b5ad0d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -64,7 +64,7 @@ pub fn main() -> Result<(), String> {
     draw!();
 
     'mainloop: loop {
-        // TODO: Make this completely user-configurable instead of hardcoded
+        // TODO: <<ConfigurableInput>>
         for event in sdl_context.event_pump()?.poll_iter() {
             match event {
                 Event::Window { win_event, .. } => {
@@ -113,6 +113,13 @@ pub fn main() -> Result<(), String> {
                             }
                         }
 
+                        Some(Keycode::Tab) => {
+                            undo_timer = 0;
+                            input::tab(&mut buffer, &mut cursor_position, &modifier_keys);
+
+                            draw!();
+                        }
+
                         _ => (),
                     };