config: new option - trim-trailing-spaces-from-selection

When enabled, trailing spaces are trimmed from both regular and block
selections.

CHANGELOG.md

@@ -52,14 +52,15 @@
   bindings. By default, they are bound to `ctrl+v ctrl+y` and
   `shift+insert` respectively, and lets you paste from the clipboard
   or primary selection into the search buffer.
+* **trim-trailing-spaces-from-selection** option to `foot.init`. When
+  enabled, trailing spaces are trimmed from both regular and block
+  selections (https://codeberg.org/dnkl/foot/issues/181).
 
 
 ### Changed
 
 * Blinking text now uses the foreground color, but dimmed down in its
   off state, instead of the background color.
-* Trailing spaces are trimmed when copying a block selection
-  (https://codeberg.org/dnkl/foot/issues/181).
 
 
 ### Deprecated

config.c

@@ -601,6 +601,9 @@ parse_section_main(const char *key, const char *value, struct config *conf,
         mbstowcs(conf->word_delimiters, value, chars + 1);
     }
 
+    else if (strcmp(key, "trim-trailing-spaces-from-selection") == 0)
+        conf->trim_trailing_spaces_from_selection = str_to_bool(value);
+
     else if (strcmp(key, "scrollback") == 0) {
         LOG_WARN("deprecated: %s:%d: [default]: scrollback: use 'scrollback.lines' instead'", path, lineno);
 
@@ -2081,6 +2084,7 @@ config_load(struct config *conf, const char *conf_path,
         .server_socket_path = get_server_socket_path(),
         .presentation_timings = false,
         .hold_at_exit = false,
+        .trim_trailing_spaces_from_selection = false,
 
         .tweak = {
             .fcft_filter = FCFT_SCALING_FILTER_LANCZOS3,

config.h

@@ -168,6 +168,7 @@ struct config {
     char *server_socket_path;
     bool presentation_timings;
     bool hold_at_exit;
+    bool trim_trailing_spaces_from_selection;
 
     struct {
         enum fcft_scaling_filter fcft_filter;

doc/foot.ini.5.scd

@@ -128,6 +128,10 @@ in this order:
 	text. Note that whitespace characters are _always_ word
 	delimiters, regardless of this setting. Default: _,│`|:"'()[]{}<>_
 
+*trim-trailing-spaces-from-selection*
+	Boolean. If enabled, trailing spaces are trimmed from selections
+	(both regular and block selections). Default: _no_.
+
 
 # SECTION: scrollback
 

foot.ini

@@ -14,6 +14,7 @@
 # workers=<number of logical CPUs>
 # bell=none
 # word-delimiters=,│`|:"'()[]{}<>
+# trim-trailing-spaces-from-selection=no
 
 [scrollback]
 # lines=1000

selection.c

@@ -224,10 +224,9 @@ selection_to_text(const struct terminal *term)
     if (term->selection.end.row == -1)
         return NULL;
 
-    const enum selection_kind kind = term->selection.kind;
-    const bool trim_trailing_spaces = kind == SELECTION_BLOCK;
+    struct extraction_context *ctx = extract_begin(
+        term->selection.kind, term->conf->trim_trailing_spaces_from_selection);
 
-    struct extraction_context *ctx = extract_begin(kind, trim_trailing_spaces);
     if (ctx == NULL)
         return NULL;