Bind Ctrl+W to erase word behind cursor

Added keybinds descriptions in the readme.

2 files changed, 24 insertions, 0 deletions

diff --git a/v2/README.md b/v2/README.md
index 17f3be5..f853630 100644
--- a/v2/README.md
+++ b/v2/README.md
@@ -50,3 +50,8 @@ M.text = ArenaPush(msgTextArena, M.text_len);
 ```
 Notice, that this depends on knowing the text's length before allocating the memory.
 
+
+## Keybinds
+- `Ctrl+C` | `Ctrl+D`: quits
+- `Ctrl+U`: Erase input line
+- `Ctrl+W`: Erase word behind cursor
diff --git a/v2/chatty.c b/v2/chatty.c
index 256cc22..4074b77 100644
--- a/v2/chatty.c
+++ b/v2/chatty.c
@@ -195,6 +195,25 @@ int main(int argc, char **argv)
 
             u8 exit = 0;
             switch (ev.key) {
+            case TB_KEY_CTRL_W:
+                // delete consecutive whitespace
+                while (input_len) {
+                    if (input[input_len - 1] == L' ') {
+                        input[input_len - 1] = 0;
+                        input_len--;
+                        continue;
+                    }
+                    break;
+                }
+                // delete until whitespace
+                while (input_len) {
+                    if (input[input_len - 1] == L' ')
+                        break;
+                    // erase
+                    input[input_len - 1] = 0;
+                    input_len--;
+                }
+                break;
             case TB_KEY_CTRL_D:
             case TB_KEY_CTRL_C:
                 exit = 1;