Merge branch 'url-hint-letters'

Closes #355

README.md

@@ -275,8 +275,8 @@ be changed with the `url-launch` option.
 what activating an URL _does_; instead of opening it, it copies it to
 the clipboard. It is unbound by default.
 
-Both the jump label colors, and the URL underline color can be
-configured, independently.
+Jump label colors, the URL underline color, and the letters used in
+the jump label key sequences can be configured.
 
 
 ## Alt/meta

config.c

@@ -397,6 +397,25 @@ str_to_double(const char *s, double *res)
     return errno == 0 && *end == '\0';
 }
 
+static bool
+str_to_wchars(const char *s, wchar_t **res, struct config *conf,
+              const char  *path, int lineno,
+              const char *section, const char *key)
+{
+    *res = NULL;
+
+    size_t chars = mbstowcs(NULL, s, 0);
+    if (chars == (size_t)-1) {
+        LOG_AND_NOTIFY_ERR("%s:%d: [%s]: %s: invalid string: %s",
+                           path, lineno, section, key, s);
+        return false;
+    }
+
+    *res = xmalloc((chars + 1) * sizeof(wchar_t));
+    mbstowcs(*res, s, chars + 1);
+    return true;
+}
+
 static bool
 str_to_color(const char *s, uint32_t *color, bool allow_alpha,
              struct config *conf, const char *path, int lineno,
@@ -712,18 +731,25 @@ parse_section_main(const char *key, const char *value, struct config *conf,
     }
 
     else if (strcmp(key, "word-delimiters") == 0) {
-        size_t chars = mbstowcs(NULL, value, 0);
-        if (chars == (size_t)-1) {
-            LOG_AND_NOTIFY_ERR(
-                "%s:%d: [default]: word-delimiters: invalid string: %s",
-                path, lineno, value);
+        wchar_t *word_delimiters;
+        if (!str_to_wchars(value, &word_delimiters, conf, path, lineno,
+                           "default", "word-delimiters"))
+        {
             return false;
         }
-
         free(conf->word_delimiters);
+        conf->word_delimiters = word_delimiters;
+    }
 
-        conf->word_delimiters = xmalloc((chars + 1) * sizeof(wchar_t));
-        mbstowcs(conf->word_delimiters, value, chars + 1);
+    else if (strcmp(key, "jump-label-letters") == 0) {
+        wchar_t *letters;
+        if (!str_to_wchars(value, &letters, conf, path, lineno,
+                           "default", "jump-label-letters"))
+        {
+            return false;
+        }
+        free(conf->jump_label_letters);
+        conf->jump_label_letters = letters;
     }
 
     else if (strcmp(key, "notify") == 0) {
@@ -2126,6 +2152,7 @@ config_load(struct config *conf, const char *conf_path,
         .title = xstrdup("foot"),
         .app_id = xstrdup("foot"),
         .word_delimiters = xwcsdup(L",│`|:\"'()[]{}<>"),
+        .jump_label_letters = xwcsdup(L"sadfjklewcmpgh"),
         .size = {
             .type = CONF_SIZE_PX,
             .width = 700,
@@ -2340,6 +2367,7 @@ config_free(struct config conf)
     free(conf.title);
     free(conf.app_id);
     free(conf.word_delimiters);
+    free(conf.jump_label_letters);
     free(conf.scrollback.indicator.text);
     free_spawn_template(&conf.notify);
     free_spawn_template(&conf.url_launch);

config.h

@@ -64,6 +64,7 @@ struct config {
     char *title;
     char *app_id;
     wchar_t *word_delimiters;
+    wchar_t *jump_label_letters;
     bool login_shell;
 
     struct {

doc/foot.1.scd

@@ -262,8 +262,8 @@ be changed with the *url-launch* option.
 what activating an URL _does_; instead of opening it, it copies it to
 the clipboard. It is unbound by default.
 
-Both the jump label colors, and the URL underline color can be
-configured, independently.
+Jump label colors, the URL underline color, and the letters used in
+the jump label key sequences can be configured.
 
 # ALT/META CHARACTERS
 

doc/foot.ini.5.scd

@@ -214,6 +214,10 @@ in this order:
 	text. Note that whitespace characters are _always_ word
 	delimiters, regardless of this setting. Default: _,│`|:"'()[]{}<>_
 
+*jump-label-letters*
+	String of characters that will be when generating key sequences
+	for URL jump labels. Default: _sadfjklewcmpgh_.
+
 *notify*
 	Command to execute to display a notification. _${title}_ and
 	_${body}_ will be replaced with the notification's actual _title_

foot.ini

@@ -26,6 +26,7 @@
 # bold-text-in-bright=no
 # bell=none
 # word-delimiters=,│`|:"'()[]{}<>
+# jump-label-letters=sadfjklewcmpgh
 # selection-target=primary
 # workers=<number of logical CPUs>
 

input.c

@@ -281,7 +281,7 @@ execute_binding(struct seat *seat, struct terminal *term,
             : URL_ACTION_LAUNCH;
 
         urls_collect(term, url_action, &term->urls);
-        urls_assign_key_combos(&term->urls);
+        urls_assign_key_combos(term->conf, &term->urls);
         urls_render(term);
         return true;
     }

url-mode.c

@@ -125,8 +125,8 @@ urls_input(struct seat *seat, struct terminal *term, uint32_t key,
         const size_t key_len = wcslen(it->item.key);
 
         if (key_len >= seq_len + 1 &&
-            wcsncmp(url->key, term->url_keys, seq_len) == 0 &&
-            url->key[seq_len] == wc)
+            wcsncasecmp(url->key, term->url_keys, seq_len) == 0 &&
+            towlower(url->key[seq_len]) == towlower(wc))
         {
             is_valid = true;
             if (key_len == seq_len + 1) {
@@ -353,11 +353,11 @@ wcscmp_qsort_wrapper(const void *_a, const void *_b)
 }
 
 static void
-generate_key_combos(size_t count, wchar_t *combos[static count])
+generate_key_combos(const struct config *conf,
+                    size_t count, wchar_t *combos[static count])
 {
-    /* vimium default */
-    static const wchar_t alphabet[] = L"sadfjklewcmpgh";
-    static const size_t alphabet_len = ALEN(alphabet) - 1;
+    const wchar_t *alphabet = conf->jump_label_letters;
+    const size_t alphabet_len = wcslen(alphabet);
 
     size_t hints_count = 1;
     wchar_t **hints = xmalloc(hints_count * sizeof(hints[0]));
@@ -410,14 +410,14 @@ generate_key_combos(size_t count, wchar_t *combos[static count])
 }
 
 void
-urls_assign_key_combos(url_list_t *urls)
+urls_assign_key_combos(const struct config *conf, url_list_t *urls)
 {
     const size_t count = tll_length(*urls);
     if (count == 0)
         return;
 
     wchar_t *combos[count];
-    generate_key_combos(count, combos);
+    generate_key_combos(conf, count, combos);
 
     size_t idx = 0;
     tll_foreach(*urls, it)

url-mode.h

@@ -4,6 +4,7 @@
 #include <xkbcommon/xkbcommon.h>
 #include <tllist.h>
 
+#include "config.h"
 #include "terminal.h"
 
 static inline bool urls_mode_is_active(const struct terminal *term)
@@ -13,7 +14,7 @@ static inline bool urls_mode_is_active(const struct terminal *term)
 
 void urls_collect(
     const struct terminal *term, enum url_action action, url_list_t *urls);
-void urls_assign_key_combos(url_list_t *urls);
+void urls_assign_key_combos(const struct config *conf, url_list_t *urls);
 
 void urls_render(struct terminal *term);
 void urls_reset(struct terminal *term);