commit 1e4bc498ceeced65a0c628df0ea0fbb6a57db10a
from: Omar Polo <omar.polo@europecom.net>
date: Sun Jul 15 18:29:03 2018 UTC

Closing #1 -- Also C-w now works well with multi-byte string

commit - c392d7270046bfa46e5891c9b6f4c731fbd56a4d
commit + 1e4bc498ceeced65a0c628df0ea0fbb6a57db10a
blob - 266875cba3b98cf503e950e78d53e73adc8e9458
blob + b24e17704aa3eb3d4d86402c260bd355b9c37a37
--- README.md
+++ README.md
@@ -82,11 +82,6 @@ should be enough.
 
  - Improve the filtering process of the completions
 
- - Improve UTF8 support
-
-   The whole UTF8 support is still kinda naïve and should definitely
-   be improved.
-
  - Opacity support
 
 ## Scripts
blob - 30172d531c4e6ecb5843222e3dd95f94a1ce98f2
blob + 8a923b24966f085bec28c4d164617200f57f98fc
--- mymenu.1
+++ mymenu.1
@@ -201,9 +201,6 @@ with the % sign is supplied, then the default value fo
 will be treated as a percentage. Since this is a misuse of the
 resources this behavior isn't strictly considered a bug.
 .It
-C-w (delete last word) does not work well with multi-byte string. The
-whole UTF-8 support is still kinda naïve and should be improved.
-.It
 Keep in mind that sometimes the order of the options matter. First are
 parsed (if any) the xrdb options, then the command line flags
 .Sy in the provided order!
blob - 11461dc55c32d53b0ec151ac8ee391cf9ef1ade8
blob + 6ecbe3714c2f20f59d4a1877e065a438678f074f
--- mymenu.1.md
+++ mymenu.1.md
@@ -299,9 +299,6 @@ C-i
 	will be treated as a percentage. Since this is a misuse of the
 	resources this behavior isn't strictly considered a bug.
 
-*	C-w (delete last word) does not work well with multi-byte string. The
-	whole UTF-8 support is still kinda na&#239;ve and should be improved.
-
 *	Keep in mind that sometimes the order of the options matter. First are
 	parsed (if any) the xrdb options, then the command line flags
 	**in the provided order!**
blob - 637c9fc52c07bdb82eb7c29d6845deb53a0982a0
blob + f5789da33349677611233547d7155d13b669856e
--- mymenu.c
+++ mymenu.c
@@ -305,13 +305,13 @@ int pushc(char **p, int maxlen, char c) {
   return maxlen;
 }
 
-
 // remove the last rune from the *utf8* string! This is different from
-// just setting the last byte to 0 (in some cases ofc).
-void popc(char *p) {
+// just setting the last byte to 0 (in some cases ofc). Return a
+// pointer (e) to the last non zero char. If e < p then p is empty!
+char* popc(char *p) {
   int len = strlen(p);
   if (len == 0)
-    return;
+    return p;
 
   char *e = p + len - 1;
 
@@ -325,8 +325,31 @@ void popc(char *p) {
     if (((c & 0x80) && (c & 0x40)) || !(c & 0x80))
       break;
   } while (e >= p);
+
+  return e;
 }
 
+// remove the last word plus trailing whitespaces from the give string
+void popw(char *w) {
+  int len = strlen(w);
+  if (len == 0)
+    return;
+
+  bool in_word = true;
+  while (true) {
+    char *e = popc(w);
+
+    if (e < w)
+      return;
+
+    if (in_word && isspace(*e))
+      in_word = false;
+
+    if (!in_word && !isspace(*e))
+      return;
+  }
+}
+
 // If the string is surrounded by quotes (`"`) remove them and replace
 // every `\"` in the string with `"`
 char *normalize_str(const char *str) {
@@ -1477,25 +1500,7 @@ int main(int argc, char **argv) {
             break;
 
           case DEL_WORD: {
-            // `textlen` is the lenght of the allocated string, not the
-            // lenght of the ACTUAL string
-            int p = strlen(text) -1;
-            if (p > 0) { // delete the current char
-              text[p] = 0;
-              p--;
-            }
-
-            // erase the alphanumeric char
-            while (p >= 0 && isalnum(text[p])) {
-              text[p] = 0;
-              p--;
-            }
-
-            // erase also trailing white spaces
-            while (p >= 0 && isspace(text[p])) {
-              text[p] = 0;
-              p--;
-            }
+            popw(text);
             update_completions(cs, text, lines, first_selected);
             break;
           }