From e06cdb3d4de14eb508d1f48422b8c8030b9629b2 Mon Sep 17 00:00:00 2001
From: Mildred Ki'Lya <mildred-pub.git@mildred.fr>
Date: Wed, 18 Jan 2023 01:06:15 +0100
Subject: [PATCH] Implement output text binding

---
 config.c           | 8 +++++++-
 doc/foot.ini.5.scd | 8 ++++++++
 input.c            | 6 ++++++
 key-binding.h      | 1 +
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/config.c b/config.c
index d77b50b8..89c21863 100644
--- a/config.c
+++ b/config.c
@@ -2254,6 +2254,7 @@ parse_section_text_bindings(struct context *ctx)
     uint8_t *data = xmalloc(key_len + 1);
     size_t data_len = 0;
     bool esc = false;
+    int action = BIND_ACTION_TEXT_BINDING;
 
     for (size_t i = 0; i < key_len; i++) {
         if (key[i] == '\\') {
@@ -2267,6 +2268,11 @@ parse_section_text_bindings(struct context *ctx)
         }
 
         else if (esc) {
+            if (i == 1 && key[i] == 'o') {
+                esc = false;
+                action = BIND_ACTION_OUTPUT_TEXT_BINDING;
+                continue;
+            }
             if (key[i] != 'x') {
                 ctx->value = "";
                 LOG_CONTEXTUAL_ERR("invalid escaped character: %c", key[i]);
@@ -2305,7 +2311,7 @@ parse_section_text_bindings(struct context *ctx)
         },
     };
 
-    if (!value_to_key_combos(ctx, BIND_ACTION_TEXT_BINDING, &aux,
+    if (!value_to_key_combos(ctx, action, &aux,
                              &conf->bindings.key, KEY_BINDING))
     {
         goto err;
diff --git a/doc/foot.ini.5.scd b/doc/foot.ini.5.scd
index 07a3cb94..4f487481 100644
--- a/doc/foot.ini.5.scd
+++ b/doc/foot.ini.5.scd
@@ -986,6 +986,10 @@ specify a character:
 - Bytes (e.g. ESC) are written as two-digit hexadecimal numbers, with
   a *\\x* prefix: *\\x1b*.
 
+If the text starts with the special escape sequence *\\o* then the text is not
+sent to the slave process input, but is processed by the terminal as if it was
+sent by the slave process.
+
 Example: you would like to remap _Super+k_ to the _Up_ key.
 
 The escape sequence for the Up key is _ESC [ A_ (without the
@@ -998,6 +1002,10 @@ Another example: to remap _Super+c_ to _Control+c_:
 
 *\\x03 = Mod4+c*
 
+Other example: you want to clear the terminal on _Ctrl+Shift+l_
+
+*\o\x1bc = Control+Shift+l*
+
 # SECTION: mouse-bindings
 
 This section lets you override the default mouse bindings.
diff --git a/input.c b/input.c
index 0a3773bc..74a57b49 100644
--- a/input.c
+++ b/input.c
@@ -332,6 +332,12 @@ execute_binding(struct seat *seat, struct terminal *term,
         return true;
     }
 
+    case BIND_ACTION_OUTPUT_TEXT_BINDING:
+        xassert(binding->aux->type == BINDING_AUX_TEXT);
+        vt_from_slave(term, binding->aux->text.data, binding->aux->text.len);
+        render_refresh(term);
+        return true;
+
     case BIND_ACTION_TEXT_BINDING:
         xassert(binding->aux->type == BINDING_AUX_TEXT);
         term_to_slave(term, binding->aux->text.data, binding->aux->text.len);
diff --git a/key-binding.h b/key-binding.h
index f607644f..92c986cf 100644
--- a/key-binding.h
+++ b/key-binding.h
@@ -36,6 +36,7 @@ enum bind_action_normal {
     BIND_ACTION_SHOW_URLS_LAUNCH,
     BIND_ACTION_SHOW_URLS_PERSISTENT,
     BIND_ACTION_TEXT_BINDING,
+    BIND_ACTION_OUTPUT_TEXT_BINDING,
     BIND_ACTION_PROMPT_PREV,
     BIND_ACTION_PROMPT_NEXT,
     BIND_ACTION_UNICODE_INPUT,