rc filetype: add trim-indent hooks to all languages that have indent hooks

An indent hook automatically adds whitespace, so it seems prudent to
add the hook to remove unwanted whitespace again. This is what we do
in most languages already.

1 files changed, 9 insertions, 0 deletions

diff --git a/rc/filetype/protobuf.kak b/rc/filetype/protobuf.kak
index 3d9c9fba..ba0c52a3 100644
--- a/rc/filetype/protobuf.kak
+++ b/rc/filetype/protobuf.kak
@@ -15,6 +15,7 @@ hook global WinSetOption filetype=protobuf %[
 
     set-option window static_words %opt{protobuf_static_words}
 
+    hook window ModeChange pop:insert:.* -group protobuf-trim-indent protobuf-trim-indent
     hook -group protobuf-indent window InsertChar \n protobuf-indent-on-newline
     hook -group protobuf-indent window InsertChar \{ protobuf-indent-on-opening-curly-brace
     hook -group protobuf-indent window InsertChar \} protobuf-indent-on-closing-curly-brace
@@ -66,6 +67,14 @@ evaluate-commands %sh{
 # Commands
 # ‾‾‾‾‾‾‾‾
 
+define-command -hidden protobuf-trim-indent %{
+    evaluate-commands -no-hooks -draft -itersel %{
+        execute-keys <a-x>
+        # remove trailing white spaces
+        try %{ execute-keys -draft s \h + $ <ret> d }
+    }
+}
+
 define-command -hidden protobuf-indent-on-newline %~
     evaluate-commands -draft -itersel %[
         # preserve previous line indent